1. The water conservancy lake remote sensing monitoring system is characterized by comprising a shell (1), a wind speed detector (2), a monitoring camera (3), a water quality detector (4) and a signal transmitter (5), wherein the top of the shell (1) is fixedly connected with the bottom of the wind speed detector (2), the inner side wall of the shell (1) is fixedly connected with the end part of the water quality detector (4), the top of the shell (1) is fixedly connected with the bottom of the signal transmitter (5), the bottom of the shell (1) is fixedly connected with a floating plate (6), the bottoms of the floating plates (6) are mutually laminated with a fixed rod (7), the top of the fixed rod (7) is provided with a water quantity monitoring alarm mechanism, the top of the shell (1) is connected with a rotating rod (17) in a penetrating and rotating mode, the end part of the rotating rod (17) is fixedly connected with a second bevel gear (16), the outer side wall of the second bevel gear (16) is meshed with a first bevel gear (15), the inner side wall of the first bevel gear (15) penetrates through a fixedly connected rotating shaft (14), the end part of the rotating shaft (14) is fixedly connected with a fan (13), the end part of a rotating rod (17) is fixedly connected with a rotating disc (18), the bottom of the rotating disc (18) is fixedly connected with a fixed block (19), the outer side wall of the fixed block (19) is connected with a driving disc (20) in a sliding mode, the inner side wall of the driving disc (20) penetrates through a fixedly connected driving rod (21), the outer side wall of the driving rod (21) penetrates through a fixedly connected connecting disc (22), the bottom of the connecting disc (22) is fixedly connected with the end part of the monitoring camera (3), a drain pipe (23) is formed in a penetrating mode on the side wall of the shell (1), and a one-way valve (24) is fixedly connected with the inner side wall of the drain pipe (23), the bottom of the shell (1) is fixedly connected with a connecting pipe (25) in a penetrating way, the inner side wall of the connecting pipe (25) is provided with a groove (26), the inner side wall of the groove (26) is connected with a fixed plate (27) in a sliding way, the side wall of the fixed plate (27) is connected with the outer side wall of the transmission rod (21) in a penetrating and threaded way, the top of the fixed plate (27) is fixedly connected with a water taking tank (28), the side wall of the fixed plate (27) is connected with a sliding rod (29) in a penetrating and sliding way, a water outlet is arranged on the side wall of the water taking tank (28), a sealing plate (30) is rotatably connected to the inner side wall of the water outlet, the top of the inner side wall of the water outlet is fixedly connected with a magnetic block (31), the side wall of the water taking tank (28) is provided with a water inlet (32), the inside wall fixedly connected with filter screen (33) of water inlet (32), the one-way striking clearance mechanism of outside wall fixedly connected with of filter screen (33).

2. The remote sensing monitoring system for water conservancy lakes according to claim 1, wherein the water volume monitoring and alarming mechanism comprises a circular groove (8) formed at the top of a fixing rod (7), a sliding groove (9) is formed in the inner side wall of the circular groove (8), a connecting plate (10) is slidably connected to the inner side wall of the sliding groove (9), a connecting rod (11) is fixedly connected to the top of the connecting plate (10), an electrode plate (12) is fixedly connected to the top of the inner side wall of the sliding groove (9), the outer side wall of the connecting rod (11) is hermetically and slidably connected to the inner side wall of the circular groove (8), and the top of the connecting rod (11) is fixedly connected to the bottom of the floating plate (6).

3. The remote sensing monitoring system according to claim 1, characterized in that, the one-way striking clearance mechanism includes reset spring (34) with filter screen (33) lateral wall fixed connection, the inside wall cover of reset spring (34) is equipped with telescopic link (35), the tip fixedly connected with baffle (36) of reset spring (34), the one end of telescopic link (35) and the lateral wall fixed connection of filter screen (33), the other end of telescopic link (35) and the lateral wall fixed connection of baffle (36), the tip of baffle (36) closely laminates with the lateral wall of filter screen (33), the lateral wall of baffle (36) and the inside wall sealing sliding connection of water inlet (32).

4. The remote sensing monitoring system for water conservancy lakes according to claim 1, wherein reciprocating threaded wires are disposed on the outer side wall of the transmission rod (21), the outer diameter of the transmission rod (21) is smaller than the inner diameter of the fixing plate (27), and the reciprocating threaded wires disposed on the outer side wall of the transmission rod (21) are matched with the threads disposed on the inner side wall of the fixing plate (27).

5. A water conservancy lake remote sensing monitoring system according to claim 1, characterized in that the outer diameter of the first bevel gear (15) is larger than the outer diameter of the second bevel gear (16), and the outer diameter of the first bevel gear (15) is twice the outer diameter of the second bevel gear (16).

6. The remote sensing monitoring system for water conservancy lakes according to claim 1, wherein the driving plate (20) is shaped and the groove (26) is shaped as a square.

7. A water conservancy lake remote sensing monitoring system according to claim 2, characterized in that the chute (9) is cylindrical and the connection plate (10) is cylindrical.

8. A water conservancy lake remote sensing monitoring system according to claim 3, characterized in that the return spring (34) is made of stainless steel, and the return spring (34) is in a stretched state.

Background

Water is a source of all lives and is an essential substance in human life and production activities; in the survival and development of the human society, the water environment needs to be continuously adapted, utilized, modified and protected; the water conservancy projects are continuously developed along with the development of social productivity and become important pillars for the development of human social civilization and economy; the productivity of the original society is low, and the capability of human beings for changing the natural environment is not provided; people live in water and grass, select hills, live by means of fishing, hunting, collecting and nomadic, and can only benefit and avoid harm to water in the nature and adapt to the water in a negative way; after entering the slavery society and the sealing society, along with the development of ironware tools, people develop agriculture on both sides of rivers, and build villages and towns, so that the requirements of flood control, flood drainage, irrigation, shipping and town water supply are generated, and the water conservancy is created and developed; the water conservancy and port engineering industry is still in the era of short supply and demand, and the success of enterprises still needs to be firmly locked and captured when the demand is not formed; successful companies tend to exhaust their energy and resources to search the industry for current, potential, and new needs; similarly, in the field of water conservancy and port engineering construction, demand market and policy guidance profoundly influence the profitability and long-term development of competitive enterprises in the industry.

Traditional remote sensing monitored control system, the sample to quality of water has all been realized through the motor for the most part, this kind of mode is though also can accomplish the detection to quality of water, but need extravagant a large amount of resources, and traditional device can't accomplish the good control to the water yield in the lake in addition, the flood phenomenon that leads to in time can appear monitoring untimely very likely, influence personnel's health and safety, bring the economic loss of certain degree for the personnel, for this we propose a water conservancy lake remote sensing monitored control system and solve above-mentioned problem.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a water conservancy lake remote sensing monitoring system.

In order to achieve the purpose, the invention adopts the following technical scheme:

a water conservancy lake remote sensing monitoring system comprises a shell, a wind speed detector, a monitoring camera, a water quality detector and a signal transmitter;

the top of the shell is fixedly connected with the bottom of the wind speed detector, the inner side wall of the shell is fixedly connected with the end part of the water quality detection head, the top of the shell is fixedly connected with the bottom of the signal transmitter, the bottom of the shell is fixedly connected with a floating plate, the bottom of the floating plate is mutually laminated with a fixed rod, the top of the fixed rod is provided with a water quantity monitoring alarm mechanism, the top of the shell is in running connection with a rotating rod in a rotating way, the end part of the rotating rod is fixedly connected with a second bevel gear, the outer side wall of the second bevel gear is mutually meshed with a first bevel gear, the inner side wall of the first bevel gear runs through a rotating shaft in a fixedly connected way, the end part of the rotating shaft is fixedly connected with a fan, the end part of the rotating rod is fixedly connected with a rotating disc, the bottom of the rotating disc is fixedly connected with a fixed block, and the outer side wall of the fixed block is in sliding connection with a transmission disc, the inner side wall of the transmission disc is fixedly connected with a transmission rod in a penetrating manner, the outer side wall of the transmission rod is fixedly connected with a connection disc in a penetrating manner, the bottom of the connection disc is fixedly connected with the end part of the monitoring camera, the side wall of the shell is provided with a drain pipe in a penetrating manner, the inner side wall of the drain pipe is fixedly connected with a one-way valve in a penetrating manner, the bottom of the shell is fixedly connected with a connection pipe in a penetrating manner, the inner side wall of the connection pipe is provided with a groove, the inner side wall of the groove is connected with a fixed plate in a sliding manner, the side wall of the fixed plate is connected with the outer side wall of the transmission rod in a penetrating manner through threads, the top of the fixed plate is fixedly connected with a water taking tank, the side wall of the water taking tank is provided with a water outlet, the inner side wall of the water outlet is rotatably connected with a sealing plate, and the top of the inner side wall of the water outlet is fixedly connected with a magnetic block, get the lateral wall of water tank and seted up the water inlet, the inside wall fixedly connected with filter screen of water inlet, the one-way striking clearance mechanism of lateral wall fixedly connected with of filter screen.

Preferably, the water yield monitoring and alarming mechanism comprises a circular groove formed in the top of the fixing rod, a sliding groove is formed in the inner side wall of the circular groove, a connecting plate is connected to the inner side wall of the sliding groove in a sliding mode, a connecting rod is fixedly connected to the top of the connecting plate, a plate electrode is fixedly connected to the top of the inner side wall of the sliding groove, the outer side wall of the connecting rod is connected with the inner side wall of the circular groove in a sealing and sliding mode, and the top of the connecting rod is fixedly connected.

Preferably, one-way striking clearance mechanism include with filter screen lateral wall fixed connection's reset spring, reset spring's inside wall cover is equipped with the telescopic link, reset spring's tip fixedly connected with baffle, the one end of telescopic link and the lateral wall fixed connection of filter screen, the other end of telescopic link and the lateral wall fixed connection of baffle, the tip of baffle closely laminates with the lateral wall of filter screen, the lateral wall of baffle and the inside wall sealing sliding connection of water inlet.

Preferably, the outer side wall of the transmission rod is provided with a reciprocating thread, the outer diameter of the transmission rod is smaller than the inner diameter of the fixing plate, and the reciprocating thread arranged on the outer side wall of the transmission rod is matched with the thread arranged on the inner side wall of the fixing plate.

Preferably, the outer diameter of the first bevel gear is larger than the outer diameter of the second bevel gear, and the outer diameter of the first bevel gear is twice the outer diameter of the second bevel gear.

Preferably, the transmission disc is shaped, and the groove is square.

Preferably, the sliding groove is cylindrical, and the connecting plate is cylindrical.

Preferably, the return spring is made of stainless steel, and the return spring is in a stretching state.

Compared with the prior art, the invention has the beneficial effects that:

1. blow through external wind-force and drive the rotation of pivot, and then make first bevel gear drive the rotation of second bevel gear, make the bull stick drive the carousel and rotate, the rotation of carousel will make the fixed block drive the drive plate and rotate, make the drive plate drive the transfer line and rotate, and then make the connection pad rotate, the all-round control of surveillance camera head has been realized, the monitoring range of surveillance camera head has been improved, power is provided for water quality testing, resources are saved, the quality of control has been guaranteed, good control to the surface of water environment has been realized, and good control with the water yield, the personnel of being convenient for in time make the reply, economic loss has been reduced, resources are saved.

2. The rotation through the transfer line drives the fixed plate and slides from top to bottom along the inside wall of recess, when the fixed plate lapse, make the water inlet promote the baffle inwards to slide through the extrusion of external water, make external water get into the inside of getting the water tank after the filter screen filters, when the fixed plate upwards slides, the tensile action through reset spring makes the tip striking filter screen of baffle, the realization is to the clearance of filter screen, prevent that the jam of filter screen from influencing water intaking efficiency and testing result, water quality testing's accuracy has been guaranteed, the device's life has been improved.

3. When fixing the device on the lake surface, the buoyancy through the water makes the kickboard float on the surface of water, when the horizontal plane rises, upwards slide through the kickboard and drive the connecting rod upwards and slide, make the connecting plate upwards slide along the inside wall of spout, when the top of connecting plate contacts the bottom of plate electrode, the circuit is put through, signal transmission module sends the water yield signal that exceeds standard for central control module, remind personnel to make flood control preparation, prevent the flood disaster that the water content exceeds standard and appears in the lake, personnel's health and safety has been protected, economic loss has been reduced, and resources are saved.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of a remote sensing monitoring system for water conservancy lakes according to the present invention;

FIG. 2 is an enlarged schematic structural diagram of the remote sensing monitoring system of the water conservancy lake in FIG. 1;

FIG. 3 is an enlarged schematic structural diagram of a remote sensing monitoring system for water conservancy lakes in FIG. 1, which is shown in FIG. 1;

FIG. 4 is a schematic view of a cross-sectional structure of a water inlet side of the remote sensing monitoring system for water conservancy lakes according to the present invention;

FIG. 5 is a schematic view of a bottom plan view of a transmission mechanism of a remote sensing monitoring system for water conservancy lakes according to the present invention;

FIG. 6 is a block diagram of a remote sensing monitoring system of a water conservancy lake remote sensing monitoring system according to the present invention.

In the figure: the wind speed detection device comprises a shell 1, a wind speed detector 2, a monitoring camera 3, a water quality detector 4, a signal emitter 5, a floating plate 6, a fixed rod 7, a circular groove 8, a sliding groove 9, a connecting plate 10, a connecting rod 11, an electrode plate 12, a fan 13, a rotating shaft 14, a first bevel gear 15, a second bevel gear 16, a rotating rod 17, a rotating disk 18, a fixed block 19, a transmission disk 20, a transmission rod 21, a connecting disk 22, a drain pipe 23, a one-way valve 24, a connecting pipe 25, a groove 26, a fixed plate 27, a water taking tank 28, a sliding rod 29, a sealing plate 30, a magnetic block 31, a water inlet 32, a filter screen 33, a reset spring 34, a telescopic rod 35 and a baffle 36.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a water conservancy lake remote sensing monitoring system comprises a shell 1, a wind speed detector 2, a monitoring camera 3, a water quality detector 4, a signal emitter 5 and a remote sensing monitoring system;

the remote sensing monitoring system comprises a wind speed measuring module, a flood monitoring module, a water quality detecting module, a signal transmitting module, an intelligent monitoring module, a signal receiving module, a central control module, a data storage module, a video display module, a data processing module and a voice prompt module;

the output end of the air speed detection module is electrically connected with the input end of the signal emission module, the output end of the flood monitoring module is electrically connected with the input end of the signal emission module, the output end of the water quality detection module is electrically connected with the input end of the signal emission module, the output end of the intelligent monitoring module is electrically connected with the input end of the signal emission module, the output end of the signal emission module is electrically connected with the input end of the signal receiving module, the output end of the signal receiving module is electrically connected with the input end of the central control module, the output end of the central control module is electrically connected with the input end of the data storage module, the output end of the central control module is electrically connected with the input end of the data processing module, the output end of the data processing module is electrically connected with the input end of the video display module, and the output end of the data processing module is electrically connected with the input end of the voice prompt module, the wind speed measuring module is positioned inside the wind speed detector 2, the intelligent monitoring module is positioned inside the monitoring camera 3, the water quality detecting module is positioned inside the water quality detecting head 4, the signal transmitting module is positioned inside the signal transmitter 5, and the flood monitoring module is positioned inside the connecting rod 11;

the top of the shell 1 is fixedly connected with the bottom of the wind speed detector 2, the inner side wall of the shell 1 is fixedly connected with the end part of the water quality detection head 4, the top of the shell 1 is fixedly connected with the bottom of the signal transmitter 5, the bottom of the shell 1 is fixedly connected with the floating plate 6, the bottom of the floating plate 6 is mutually attached with the fixed rod 7, the top of the fixed rod 7 is provided with a water quantity monitoring alarm mechanism, the water quantity monitoring alarm mechanism comprises a circular groove 8 formed in the top of the fixed rod 7, the inner side wall of the circular groove 8 is provided with a sliding groove 9, the inner side wall of the sliding groove 9 is slidably connected with a connecting plate 10, the sliding groove 9 is cylindrical, the connecting plate 10 is cylindrical, the top of the connecting plate 10 is fixedly connected with a connecting rod 11, the top of the inner side wall of the sliding groove 9 is fixedly connected with a plate electrode 12, the outer side wall of the connecting rod 11 is in sealing sliding connection with the inner side wall of the circular groove 8, and the top of the connecting rod 11 is fixedly connected with the bottom of the floating plate 6;

when the device is fixed on the surface of a lake, the floating plate 6 floats on the water surface through the buoyancy of water, when the water level rises, the connecting rod 11 is driven to slide upwards through the upward sliding of the floating plate 6, so that the connecting plate 10 slides upwards along the inner side wall of the sliding groove 9, when the top of the connecting plate 10 contacts the bottom of the electrode plate 12, a circuit is connected, a water quantity overproof signal is sent to the central control module through the signal transmitting module, the personnel are reminded to prepare for flood control, flood disasters caused by the overproof of the water quantity in the lake are prevented, the health and safety of the personnel are protected, the economic loss is reduced, and resources are saved;

the top of the shell 1 is in running-through rotation connection with a rotating rod 17, the end part of the rotating rod 17 is fixedly connected with a second bevel gear 16, the outer side wall of the second bevel gear 16 is meshed with a first bevel gear 15, the outer diameter of the first bevel gear 15 is larger than that of the second bevel gear 16, the outer diameter of the first bevel gear 15 is twice that of the second bevel gear 16, the inner side wall of the first bevel gear 15 is in running-through fixed connection with a rotating shaft 14, the end part of the rotating shaft 14 is fixedly connected with a fan 13, the end part of the rotating rod 17 is fixedly connected with a rotating disc 18, the bottom of the rotating disc 18 is fixedly connected with a fixed block 19, the outer side wall of the fixed block 19 is in sliding connection with a transmission disc 20, the inner side wall of the transmission disc 20 is in running-through fixed connection with a transmission rod 21, the outer side wall of the transmission rod 21 is in running-through fixed connection with a connecting disc 22, and the bottom of the connecting disc 22 is fixedly connected with the end part of the monitoring camera 3;

the rotating shaft 14 is driven to rotate by blowing of external wind power, so that the first bevel gear 15 drives the second bevel gear 16 to rotate, the rotating rod 17 drives the rotating disc 18 to rotate, the rotating disc 18 rotates to enable the fixed block 19 to drive the transmission disc 20 to rotate, the transmission disc 20 drives the transmission rod 21 to rotate, and the connection disc 22 rotates, so that all-dimensional monitoring of the monitoring camera 3 is realized, the monitoring range of the monitoring camera 3 is improved, power is provided for water quality detection, resources are saved, the monitoring quality is guaranteed, good monitoring of the water surface environment is realized, good monitoring of water quantity is realized, personnel can conveniently respond in time, economic loss is reduced, and resources are saved;

the side wall of the shell 1 is provided with a drain pipe 23 in a penetrating way, the inner side wall of the drain pipe 23 is fixedly connected with a one-way valve 24, the bottom of the shell 1 is fixedly connected with a connecting pipe 25 in a penetrating way, the inner side wall of the connecting pipe 25 is provided with a groove 26, the transmission disc 20 is arranged in a special shape, the groove 26 is arranged in a square shape, the inner side wall of the groove 26 is connected with a fixing plate 27 in a sliding way, the side wall of the fixing plate 27 is connected with the outer side wall of the transmission rod 21 in a penetrating way through a thread, the outer diameter of the transmission rod 21 is smaller than the inner diameter of the fixing plate 27, the reciprocating thread arranged on the outer side wall of the transmission rod 21 is matched with the thread arranged on the inner side wall of the fixing plate 27, the top of the fixing plate 27 is fixedly connected with a water taking tank 28, the side wall of the fixing plate 27 is connected with a sliding rod 29 in a penetrating way, the side wall of the water taking tank 28 is provided with a water outlet, and the inner side wall of the water outlet is rotatably connected with a sealing plate 30, the top of the inner side wall of the water outlet is fixedly connected with a magnetic block 31, the side wall of the water taking tank 28 is provided with a water inlet 32, the inner side wall of the water inlet 32 is fixedly connected with a filter screen 33, the outer side wall of the filter screen 33 is fixedly connected with a one-way impact cleaning mechanism, the one-way impact cleaning mechanism comprises a return spring 34 fixedly connected with the outer side wall of the filter screen 33, the return spring 34 is made of stainless steel, the return spring 34 is in a stretching state, an expansion link 35 is sleeved on the inner side wall of the return spring 34, the end part of the return spring 34 is fixedly connected with a baffle 36, one end of the expansion link 35 is fixedly connected with the outer side wall of the filter screen 33, the other end of the expansion link 35 is fixedly connected with the outer side wall of the baffle 36, the end part of the baffle 36 is tightly attached to the outer side wall of the filter screen 33, and the outer side wall of the baffle 36 is in a sealing sliding connection with the inner side wall of the water inlet 32;

rotation through transfer line 21 drives fixed plate 27 and slides from top to bottom along the inside wall of recess 26, when fixed plate 27 slided downwards, make water inlet 32 promote baffle 36 and inwards slide through the extrusion of external water, make external water get into the inside of getting water tank 28 after filter screen 33 filters, when fixed plate 27 slided upwards, the tensile action through reset spring 34 makes the tip striking filter screen 33 of baffle 36, realize the clearance to filter screen 33, prevent that filter screen 33's jam from influencing water intaking efficiency and testing result, the accuracy of water quality testing has been guaranteed, the service life of the device is prolonged

In the invention, when the device is fixed on the surface of a lake in operation, the floating plate 6 floats on the water surface through the buoyancy of water, when the water surface rises, the connecting rod 11 is driven to slide upwards through the upward sliding of the floating plate 6, so that the connecting plate 10 slides upwards along the inner side wall of the chute 9, when the top of the connecting plate 10 contacts the bottom of the electrode plate 12, the circuit is connected, a water amount exceeding signal is sent to the central control module through the signal transmitting module, a person is reminded to prepare for flood control, when the water amount is stable, the rotating shaft 14 is driven to rotate through the blowing of external wind power, so that the first bevel gear 15 drives the second bevel gear 16 to rotate, the rotating rod 17 drives the rotating disc 18 to rotate, the rotating disc 18 enables the fixed block 19 to drive the driving disc 20 to rotate, the driving disc 20 drives the driving rod 21 to rotate, and further the connecting disc 22 to rotate, the omnibearing monitoring of the monitoring camera 3 is realized, the monitoring range of the monitoring camera 3 is improved, the fixing plate 27 is driven to slide up and down along the inner side wall of the groove 26 by the rotation of the transmission rod 21, when the fixing plate 27 slides down, the water inlet 32 pushes the baffle 36 to slide inwards by the extrusion of the outside water, the outside water enters the water taking tank 28 after being filtered by the filter screen 33, when the fixing plate 27 slides up, the end part of the baffle 36 impacts the filter screen 33 by the stretching action of the reset spring 34, the cleaning of the filter screen 33 is realized, the water taking efficiency and the detection result are prevented from being influenced by the blockage of the filter screen 33, the accuracy of the detection result is ensured, when the fixing plate 27 slides up to the top, the water quality is detected by the water quality detector 4, the water outlet is opened by the pressure of the water and the gravity of the sealing plate 30, and the water in the water taking tank 28 is discharged through the water outlet, and then discharged through a drain 23;

wind speed that wind speed detector 2 measured and obtained, the data that water quality testing head 4 detected and surveillance camera head 3 shot, make wind speed detection module, water quality testing module and intelligent control module send for signal receiver module through the signalling module in the signal transmitter 5, then give central control module with data transmission, central control module sends received data for data storage module and saves, data processing module handles, send video display module or voice prompt module after the processing is accomplished and broadcast, the personnel of being convenient for in time know, the device is energy-concerving and environment-protective, and easy operation, and convenient personnel use.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.