Oscillating nuclear waste bucket dosage detection device
1. A swing type nuclear waste bucket dosage detection device is characterized by comprising: supporting component, swing subassembly, dosage detection subassembly and rotatory roll table, the supporting component sets up one side of rotatory roll table, just the lower extreme and ground/frame fixed connection of supporting component, the swing subassembly with the upper end rotatable coupling of supporting component, the dosage detection subassembly with the side fixed connection of swing subassembly, nuclear waste bucket places on the rotatory roll table.
2. The swing type nuclear waste bucket dosage detection device as claimed in claim 1, wherein the support assembly comprises a support pillar and a support spindle, the lower end of the support pillar is fixedly connected with the ground/the rack through a bottom plate, the support spindle is vertically arranged, the lower end of the support spindle is fixedly connected with the upper end of the support pillar, and the swing assembly is rotatably connected with the support spindle.
3. The swing type nuclear waste bucket dosage detecting device as claimed in claim 2, wherein the swing assembly comprises a speed reduction motor, a transmission shaft, a driving gear and a driven gear, the driving gear and the driven gear are in gear-thread engagement, a torque output shaft of the speed reduction motor is connected with the transmission shaft through a coupler, the driving gear is sleeved on the transmission shaft and is fixedly connected with the transmission shaft, the driven gear is sleeved on the supporting spindle and is rotatably connected with the supporting spindle, and the dosage detecting assembly is fixedly connected with the driven gear.
4. The swing type nuclear waste bucket dosage detecting device as claimed in claim 3, wherein the swing assembly further comprises a swing sleeve, the swing sleeve is sleeved on the supporting column and is rotatably connected with the outer side surface of the supporting column through a bearing, the upper end of the swing sleeve is fixedly connected with the lower side surface of the driven gear, and the dosage detecting assembly is fixedly connected with the outer side surface of the swing sleeve;
the driven gear, the support main shaft, the support column and the swing sleeve are all coaxially arranged.
5. The swing type nuclear waste bucket dosage detecting device as claimed in claim 3, wherein the swing assembly further comprises a gear box body and a rotary support, the driving gear, the driven gear, the transmission shaft and the support main shaft are all arranged in the gear box body, the lower end of the transmission shaft is rotatably connected with the bottom surface of the gear box through the rotary support, the top surface of the gear box body is an openable cover plate, the speed reducing motor is fixedly arranged on the cover plate, and a torque output shaft of the speed reducing motor penetrates through the cover plate and is coaxially connected with a coupler arranged in the gear box body.
6. The swing type nuclear waste bucket dosage detecting device as claimed in claim 4, wherein the dosage detecting assembly comprises a dosage probe and a horizontal mounting frame, a first end of the horizontal mounting frame is fixedly connected with the outer side surface of the swing sleeve, and the dosage probe is fixedly connected with a second end of the horizontal mounting frame;
when the dosage on the surface of the nuclear waste barrel needs to be detected, the dosage probe is attached to the surface of the nuclear waste barrel;
when the dose at the set distance of the nuclear waste barrel needs to be detected, the distance between the dose probe and the surface of the nuclear waste barrel is the set distance.
7. The swing type nuclear waste bucket dosage detecting device of claim 6, wherein the dosage probe comprises a top surface probe, an upper portion probe, a middle portion probe and a lower portion probe, and the horizontal mounting frame comprises a top surface mounting frame, an upper portion mounting frame, a middle portion mounting frame and a lower portion mounting frame;
the projections of the top surface mounting rack, the upper portion mounting rack, the middle portion mounting rack and the lower portion mounting rack on the horizontal plane are overlapped, and the top surface mounting rack, the upper portion mounting rack, the middle portion mounting rack and the lower portion mounting rack are sequentially arranged from top to bottom and are fixedly connected with the outer side face of the swinging sleeve;
the top surface probe is fixedly connected with the top surface mounting frame, the upper portion probe is fixedly connected with the upper portion mounting frame, the middle portion probe is fixedly connected with the middle portion mounting frame, and the lower portion probe is fixedly connected with the lower portion mounting frame.
8. The swing type nuclear waste bin dosimetry device of claim 7, wherein the horizontal position of the top probe is above the top surface of the nuclear waste bin, the middle probe is at the same horizontal plane as the vertical midpoint of the nuclear waste bin, the upper probe is disposed between the top surface of the nuclear waste bin and the middle probe, and the lower probe is disposed between the bottom surface of the nuclear waste bin and the middle probe;
setting the minimum distance between the outer surface of the nuclear waste barrel and the outer surface of the swinging sleeve to be a rated distance;
the length of the top surface mounting frame in the horizontal direction is equal to the sum of the rated distance and the radius of the nuclear waste barrel;
the length of the upper mounting frame/the middle mounting frame/the lower mounting frame in the horizontal direction is equal to the rated distance.
9. The swing type nuclear waste bin dose detecting device as claimed in claim 6, wherein the dose detecting assembly further comprises a position sensor for detecting the distance between the dose probe and the nuclear waste bin, the position sensor being fixedly connected to the horizontal mounting plate;
and the control system is used for controlling the whole device and is electrically connected with the speed reducing motor, the dosage probe and the position sensor.
10. The swing type nuclear waste bucket dosage detecting device of claim 6, wherein the diameter of the driving gear is smaller than that of the driven gear, the gear motor, the supporting spindle and the horizontal mounting rack are located on the same straight line in the horizontal direction, and the supporting spindle is arranged between the gear motor and the horizontal mounting rack.
Background
After the radioactive nuclear waste is barreled, the dosage levels of the surface of the barrel body of the nuclear waste barrel and the position 1m away from the surface need to be detected and recorded, and the subsequent temporary storage and transportation mode of the nuclear waste barrel is determined according to the detection result.
At present, the existing surface dose detection device comprises a plurality of degrees of freedom such as in-plane movement, rotation, space rotation and the like, a plurality of driving mechanisms are arranged, the structure is complex, the failure rate of equipment is high, the cost is high, and great difficulty is brought to equipment operation and maintenance.
Disclosure of Invention
The invention aims to solve the problems that a surface dosage detection device is complex in structure and high in price, and aims to provide a swing type nuclear waste bucket dosage detection device.
A swing type nuclear waste bucket dosage detection device comprises: supporting component, swing subassembly, dosage detection subassembly and rotatory roll table, the supporting component sets up one side of rotatory roll table, just the lower extreme and ground/frame fixed connection of supporting component, the swing subassembly with the upper end rotatable coupling of supporting component, the dosage detection subassembly with the side fixed connection of swing subassembly, nuclear waste bucket places on the rotatory roll table.
Specifically, the supporting component comprises a supporting column and a supporting main shaft, the lower end of the supporting column is fixedly connected with the ground/the rack through a bottom plate, the supporting main shaft is vertically arranged, the lower end of the supporting main shaft is fixedly connected with the upper end of the supporting column, and the swinging component is rotatably connected with the supporting main shaft.
Preferably, the swing subassembly includes gear motor, transmission shaft, driving gear and driven gear, the driving gear with driven gear tooth line meshing, gear motor's torque output shaft pass through the shaft coupling with the transmission shaft is connected, the driving gear suit in on the transmission shaft and with transmission shaft fixed connection, driven gear suit is in support on the main shaft, and with support main shaft rotatable coupling, the dose detection subassembly with driven gear fixed connection.
Preferably, the swing assembly further comprises a swing sleeve, the swing sleeve is sleeved on the support column and is rotatably connected with the outer side face of the support column through a bearing, the upper end of the swing sleeve is fixedly connected with the lower side face of the driven gear, and the dose detection assembly is fixedly connected with the outer side face of the swing sleeve;
the driven gear, the support main shaft, the support column and the swing sleeve are all coaxially arranged.
Optionally, the swing assembly further includes a gear box and a rotary support, the driving gear, the driven gear, the transmission shaft and the support spindle are all disposed in the gear box, the lower end of the transmission shaft is rotatably connected to the bottom surface of the gear box through the rotary support, the top surface of the gear box is an openable cover plate, the reduction motor is fixedly disposed on the cover plate, and a torque output shaft of the reduction motor penetrates through the cover plate and is coaxially connected to a coupler disposed in the gear box.
Specifically, the dose detection assembly comprises a dose probe and a horizontal mounting frame, a first end of the horizontal mounting frame is fixedly connected with the outer side surface of the swinging sleeve, and the dose probe is fixedly connected with a second end of the horizontal mounting frame;
when the dosage on the surface of the nuclear waste barrel needs to be detected, the dosage probe is attached to the surface of the nuclear waste barrel;
when the dose at the set distance of the nuclear waste barrel needs to be detected, the distance between the dose probe and the surface of the nuclear waste barrel is the set distance.
Preferably, the dose probe comprises a top surface probe, an upper portion probe, a middle portion probe and a lower portion probe, and the horizontal mounting frame comprises a top surface mounting frame, an upper portion mounting frame, a middle portion mounting frame and a lower portion mounting frame;
the projections of the top surface mounting rack, the upper portion mounting rack, the middle portion mounting rack and the lower portion mounting rack on the horizontal plane are overlapped, and the top surface mounting rack, the upper portion mounting rack, the middle portion mounting rack and the lower portion mounting rack are sequentially arranged from top to bottom and are fixedly connected with the outer side face of the swinging sleeve;
the top surface probe is fixedly connected with the top surface mounting frame, the upper portion probe is fixedly connected with the upper portion mounting frame, the middle portion probe is fixedly connected with the middle portion mounting frame, and the lower portion probe is fixedly connected with the lower portion mounting frame.
Specifically, the horizontal position of the top probe is located above the top surface of the nuclear waste barrel, the vertical middle points of the middle probe and the nuclear waste barrel are located on the same horizontal plane, the upper probe is arranged between the top surface of the nuclear waste barrel and the middle probe, and the lower probe is arranged between the bottom surface of the nuclear waste barrel and the middle probe;
setting the minimum distance between the outer surface of the nuclear waste barrel and the outer surface of the swinging sleeve to be a rated distance;
the length of the top surface mounting frame in the horizontal direction is equal to the sum of the rated distance and the radius of the nuclear waste barrel;
the length of the upper mounting frame/the middle mounting frame/the lower mounting frame in the horizontal direction is equal to the rated distance.
Further, the dose detection assembly further comprises a position sensor for detecting the distance between the dose probe and the nuclear waste bin, and the position sensor is fixedly connected with the horizontal mounting plate;
and the control system is used for controlling the whole device and is electrically connected with the speed reducing motor, the dosage probe and the position sensor.
Optionally, the diameter of the driving gear is smaller than that of the driven gear, the speed reduction motor, the support spindle and the horizontal mounting frame are located on the same straight line in the horizontal direction, and the support spindle is arranged between the speed reduction motor and the horizontal mounting frame.
Compared with the prior art, the invention changes the distance between the dose detection component and the surface of the nuclear waste barrel through the rotation of the swinging component, thereby realizing the dose detection of a plurality of positions away from the nuclear waste barrel through simple equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of a swing type nuclear waste bin dose detecting apparatus according to the present invention.
Fig. 2 is a sectional view of a swing type nuclear waste bin dose detecting apparatus according to the present invention.
Fig. 3 is a top view of a first embodiment according to the invention.
Fig. 4 is a top view of a second embodiment according to the present invention.
Reference numerals: the device comprises a swing assembly, a support assembly, a dose detection assembly, a rotary roller table, a bottom plate, a support column, a main support shaft, a speed reducing motor, a coupler, a transmission shaft, a driving gear, a driven gear, a gear box body, a cover plate, a swing sleeve, a rotary support and a dose probe, wherein the swing assembly is 1, the support assembly is 2, the dose detection assembly is 3, the rotary roller table is 4, the bottom plate is 5, the support column is 6, the main support shaft is 7, the speed reducing motor is 8, the coupler is 9, the transmission shaft is 10, the driving gear is 11, the driven gear is 12, the gear box body is 13, the cover plate is 14, the swing sleeve is 15, the rotary support is 16, and the dose probe is 17-a horizontal installation frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention.
It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
In the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A swing type nuclear waste bucket dosage detection device comprises: supporting component 2, swing subassembly 1, dose detection subassembly 3 and rotatory roll table 4, supporting component 2 sets up in one side of rotatory roll table 4, and supporting component 2's lower extreme and ground/frame fixed connection, swing subassembly 1 and supporting component 2's upper end rotatable coupling, dose detection subassembly 3 and swing subassembly 1's side fixed connection, the nuclear waste bucket is placed on rotatory roll table 4.
Rotatory roll table 4 is the existing ripe technique in present stage, and rotatory roll table 4 is located between two sharp rollgang, generally is used for changing the conveying angle, and under the general condition, and the width of rotatory roll table 4 equals with the width of rollgang, and after nuclear waste bucket removed to rotatory roll table 4 from the rollgang, can drive the nuclear waste bucket through rotatory roll table 4 and rotate.
In this embodiment, the width of transfer table should be fit for with the diameter of nuclear waste bucket, and the width of transfer table should not be too big promptly, and when too big can lead to rotatory roll table 4 to rotate, probably can't keep nuclear waste bucket to rotate along its axis to the eccentric pivoted condition appears.
Meanwhile, the width of the conveying roller way is not too small, and the nuclear waste barrel and the edge of the conveying roller way rub to influence the transmission speed if the width of the conveying roller way is too small.
The supporting component 2 comprises a supporting column and a supporting main shaft 7, the lower end of the supporting column is fixedly connected with the ground/machine frame through a bottom plate 6, the supporting main shaft 7 is vertically arranged, the lower end of the supporting main shaft 7 is fixedly connected with the upper end of the supporting column, and the swinging component 1 is rotatably connected with the supporting main shaft 7.
The support column is used for supporting whole equipment, and it can directly be installed subaerial, also can install in the frame to can remove whole device as required.
Meanwhile, the supporting column is connected with the bottom plate 6 through a bolt, a cross groove can be formed in the connecting position of the supporting column and the bottom plate 6, the position can be conveniently adjusted during equipment installation, the bottom plate 6 is generally fixedly connected with the ground or a rack, and the bottom plate is not detached during moving.
The supporting spindle 7 is used for supporting the swing assembly 1, and may be integrally formed with the supporting column, or may be fixedly connected with the supporting column in other manners.
And in practice, set up the support column into hollow state, also can increase the fretwork in some positions, do not influence its intensity under the condition of reducing the quality.
Hollow setting can be conveniently accomodate swing subassembly 1 and dose detection subassembly 3's cable when the installation, and the cable stretches into from hollow support column inner chamber, sends to each subassembly after stretching out from the top, effectively prevents equipment cable winding in the operation, and the wear-resisting bush of rubber is added in the top cap exit, prevents to rotate the wearing and tearing of in-process cable crust.
Swing subassembly 1 includes gear motor 8, transmission shaft 10, driving gear 11 and driven gear 12, driving gear 11 and the meshing of 12 insections of driven gear, gear motor 8's torque output shaft passes through shaft coupling 9 and is connected with transmission shaft 10, driving gear 11 suit on transmission shaft 10 and with transmission shaft 10 fixed connection, driven gear 12 suit is on supporting main shaft 7, and with supporting main shaft 7 rotatable coupling, dose detection subassembly 3 and driven gear 12 fixed connection.
The speed reduction motor 8 outputs torque after being electrified, and the torque is transmitted to the transmission shaft 10 through the coupler 9 (which can be omitted), so that the transmission shaft 10 drives the driving gear 11 to rotate, and the driving gear 11 drives the driven gear 12 to rotate.
Dose detection subassembly 3 and driven gear 12 fixed connection, and set up dose detection subassembly 3 on the radius extension line of driven gear 12, realized driving the pivoted purpose of whole dose detection subassembly 3 around the axis of supporting component 2 through driven gear's 12 rotation.
Therefore, in practice, the simplest structure, namely the above structure, is sufficient, but since this embodiment needs to perform dose detection on a plurality of parts of the nuclear waste bin at the same time, if only the above structure is adopted, a situation where the dose detection assembly 3 cannot be installed well may be realized, so that a preferable embodiment is provided:
the swing assembly 1 further comprises a swing sleeve 15, the swing sleeve 15 is sleeved on the support column, the swing sleeve 15 is rotatably connected with the outer side face of the support column through a bearing, the upper end of the swing sleeve 15 is fixedly connected with the lower side face of the driven gear 12, and the dose detection assembly 3 is fixedly connected with the outer side face of the swing sleeve 15;
the driven gear 12, the supporting spindle 7, the supporting column and the swinging sleeve 15 are all coaxially arranged.
Through a swing sleeve 15 of suit on the support column, and swing sleeve 15 is connected with the rotatable wheel of support column, swing sleeve 15 and driven gear 12 fixed connection, driven gear 12 drives swing sleeve 15 and rotates to be connected dose detection subassembly 3 with swing sleeve 15, realized better function.
A plurality of bearings may be provided between the swing sleeve 15 and the support column so that friction may be reduced as much as possible.
In addition, if the driving gear 11, the driven gear 12 and the like are not arranged in a box, the normal operation of the inside may be affected by the impurities covered on the components or by other means, therefore, a preferred embodiment is provided, wherein a gear box 13 is arranged outside the swing assembly 1, the driving gear 11, the driven gear 12, the transmission shaft 10 and the support spindle 7 are all arranged in the gear box 13, the lower end of the transmission shaft 10 is rotatably connected with the bottom surface of the gear box through a rotary support 16, the top surface of the gear box 13 is an openable cover plate 14, the reduction motor 8 is fixedly arranged on the cover plate 14, and the torque output shaft of the reduction motor 8 passes through the cover plate 14 and is coaxially connected with the coupling 9 arranged in the gear box 13.
And the top surface of the gear housing 13 is provided with a cover 14 that can be opened, and maintenance, etc. of the components inside the gear housing 13 can be performed by opening the cover 14.
The coupling 9 can be replaced by a gearbox, so that the torque output of the speed reducing motor 8 can be adjusted more appropriately.
The dose detection assembly 3 comprises a dose probe 17 and a horizontal mounting frame 18, a first end of the horizontal mounting frame 18 is fixedly connected with the outer side surface of the swinging sleeve 15, and the dose probe 17 is fixedly connected with a second end of the horizontal mounting frame 18;
the detection function of the device of this embodiment is at least two, namely:
example one
The dosage on the surface of the nuclear waste barrel is detected, as shown in figures 1, 2 and 3, at this time, the dosage probe 17 is contacted with the surface of the nuclear waste barrel to realize detection,
when the dosage on the surface of the nuclear waste barrel needs to be detected, the dosage probe 17 is attached to the surface of the nuclear waste barrel, and certainly, in actual use, the distance between the dosage probe 17 and the surface of the nuclear waste barrel is not guaranteed to be 0, and the distance between the dosage probe 17 and the nuclear waste barrel can be reduced as much as possible according to the situation.
Example two
The dose to be measured out of the nuclear waste bin is measured to 1m, as shown in fig. 4, and the dose probe 17 is located at the side of the nuclear waste bin at a distance of 1m from the surface of the nuclear waste bin.
The dose probe 17 can be adjusted to rotate around the support column by rotation of the swing assembly 1, so that the aim of adjusting the distance between the dose probe 17 and the surface of the nuclear waste bin can be achieved.
In order to carry out dose detection on the top surface of the nuclear waste barrel and the upper, middle and lower positions of the barrel body, the dose probe 17 is required to be divided into a top surface probe, an upper part probe, a middle part probe and a lower part probe, and the horizontal mounting frame 18 is divided into a top surface mounting frame, an upper part mounting frame, a middle part mounting frame and a lower part mounting frame;
the projections of the top surface mounting frame, the upper portion mounting frame, the middle portion mounting frame and the lower portion mounting frame on the horizontal plane are overlapped, and the top surface mounting frame, the upper portion mounting frame, the middle portion mounting frame and the lower portion mounting frame are sequentially arranged from top to bottom and are fixedly connected with the outer side face of the swinging sleeve 15;
the top surface probe is fixedly connected with the top surface mounting frame, the upper portion probe is fixedly connected with the upper portion mounting frame, the middle portion probe is fixedly connected with the middle portion mounting frame, and the lower portion probe is fixedly connected with the lower portion mounting frame.
Of course, the top surface mounting rack, the upper mounting rack, the middle mounting rack and the lower mounting rack may be an integral body as long as the top surface probe, the upper probe, the middle probe and the lower probe can be respectively fixed at the positions shown in fig. 2.
The nuclear waste barrel and the rotary roller table 4 are coaxially arranged, the horizontal position of the top surface probe is positioned above the top surface of the nuclear waste barrel, the middle probe and the vertical midpoint of the nuclear waste barrel are positioned on the same horizontal plane, the upper probe is arranged between the top surface of the nuclear waste barrel and the middle probe, and the lower probe is arranged between the bottom surface of the nuclear waste barrel and the middle probe;
setting the minimum distance between the outer surface of the nuclear waste bucket and the outer surface of the swing sleeve 15 as a rated distance;
the length of the top surface mounting frame in the horizontal direction is equal to the sum of the rated distance and the radius of the nuclear waste barrel;
the length of the upper mounting frame/the middle mounting frame/the lower mounting frame in the horizontal direction is equal to the rated distance.
The length limitation of the upper mounting frame/the middle mounting frame/the lower mounting frame is to prevent the upper probe, the middle probe and the lower probe from interfering with the barrel body of the nuclear waste barrel when the top probe is on the top surface of the nuclear waste barrel.
The dose detection assembly 3 further comprises a position sensor for detecting the distance between the dose probe 17 and the nuclear waste barrel, the position sensor is fixedly connected with the horizontal mounting plate, the device is stopped to move immediately when the dose probe 17 and the nuclear waste barrel are in collision danger, collision is avoided, and the service life of the probe is prolonged.
And the control system is used for controlling the whole device and is electrically connected with the speed reducing motor 8, the dosage probe 17 and the position sensor.
The installation of position sensor and control system's setting can realize the automation of whole device, promptly through burn the simple procedure in control system, can realize the rotation of swing subassembly 1 to can realize automated inspection's function by the position of dose probe 17.
The control system host has a data recording function, and can process, display and store the data measured by the dosage probe 17, thereby reducing manual operation.
Simple shutdown of the control system based on position data is known in the art and need not be described in detail.
The working process is as follows:
the nuclear waste barrel is sent to a rotary roller way 4 through a conveying roller way,
after the nuclear waste bin is in position, the swing mechanism is controlled to rotate the dose probe 17 assembly to the position of figure 3 or figure 4, depending on the position to be detected.
And the dosage probe 17 is started, and simultaneously the rotary roller way 4 drives the nuclear waste barrel to rotate 360 degrees, so that the dosage of the top surface of the nuclear waste barrel and the dosage of the upper part, the middle part and the lower part of the barrel body are measured.
The speed reducing motor 8 is started to drive the swinging assembly 1 and the dose detection assembly 3 to return.
The dose is sent out of the rotary roller table 4 after the dose detection is finished, and the device can be integrated on a corresponding production line.
In the implementation process, the moving parts are a swing assembly 1 (the driven gear 12 is not included, the large gear only rotates), a dose detection assembly 3 and a rotary roller table 4, and the driven gear 12 and a swing sleeve 15 in the swing assembly 1 are fixed.
In the implementation process, the motion stopping conditions of the swing assembly 1 are two, the first is to reach the swing limit, and the second is to detect that the distance between the dosage probe 17 and the nuclear waste bucket reaches a set value by the position sensor.
The diameter of the driving gear 11 is smaller than that of the driven gear 12, and the transmission stability can be increased by increasing the transmission ratio.
Gear motor 8, support main shaft 7 and horizontal mounting bracket 18 are located same straight line at the horizontal direction, and support main shaft 7 and set up between gear motor 8 and horizontal mounting bracket 18, through the gear motor 8 of installing at the device top, drive whole swing subassembly 1 and dose probe 17 subassembly and rotate, and gear motor 8 plays the effect of balancing weight simultaneously.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the invention. It will be apparent to those skilled in the art that other variations or modifications may be made on the above invention and still be within the scope of the invention.