1. The utility model provides a new energy automobile prevents overheated electric pile that fills, is including filling electric pile (1), heat abstractor (2) and cooling device (5), its characterized in that: a heat dissipation device (2) used for dissipating heat of the charging pile (1) is arranged inside the charging pile (1), and a cooling device (5) used for cooling the inside of the charging pile (1) is arranged on the back side of the charging pile (1) and extends into the charging pile (1);

the heat dissipation device (2) comprises a heat dissipation fan (21), a partition plate (22), an air outlet (23), a heat conduction groove (24) and a temperature sensor (25), wherein the heat dissipation fan (21) used for dissipating heat of the charging pile (1) is fixedly installed on the inner bottom wall of the charging pile (1), the partition plate (22) is fixedly connected with the inner portion of the charging pile (1) and is located at the top of the heat dissipation fan (21), the air outlet (23) is formed in the partition plate (22), the heat conduction groove (24) is formed in the top of the charging pile (1), and the temperature sensor (25) used for monitoring the internal temperature of the charging pile (1) is arranged on the inner top wall of the charging pile (1);

cooling device (5) are including coolant tank (51), booster pump (52), raceway (53), inlet tube (54), recirculated cooling water pipe (55) and fixed knot (56), fill back fixedly connected with coolant tank (51) and booster pump (52) of electric pile (1), the one end fixedly connected with that coolant tank (51) were kept away from in booster pump (52) extends to filling electric pile (1) inside raceway (53), one side fixedly connected with that coolant tank (51) were kept away from booster pump (52) extends to filling electric pile (1) inside inlet tube (54), fill the inside of electric pile (1) and be located fixedly connected with recirculated cooling water pipe (55) between inlet tube (54) and raceway (53), the joint has fixed knot (56) on the surface of recirculated cooling water pipe (55).

2. The charging pile for preventing overheating of the new energy automobile as claimed in claim 1, is characterized in that: fill electric pile (1) including shell (11), first dampproofing pad (12), the dampproofing pad of second (13), display screen (14), operating button (15), charging wire (16), wire hook (17) and charging plug (18).

3. The charging pile for preventing overheating of the new energy automobile as claimed in claim 2, characterized in that: the utility model discloses a dampproofing pad of bottom fixedly connected with (12) of shell (11), the dampproofing pad of top fixedly connected with second (13) of shell (11), the positive fixedly connected with display screen (14) of shell (11), the inside fixedly connected with of shell (11) extends to the outside charging wire (16) of shell (11).

4. The charging pile for preventing overheating of the new energy automobile according to claim 3, is characterized in that: be provided with operating button (15) on display screen (14), fixedly connected with and wire hook (17) of charging wire (16) looks adaptation on the outer wall of shell (11), the one end fixedly connected with charging plug (18) of shell (11) are kept away from in charging wire (16).

5. The charging pile for preventing overheating of the new energy automobile as claimed in claim 4, wherein: charging plug (18) are kept away from the one end and the shell (11) joint of charging wire (16), two radiator fan (21) of fixedly connected with on the interior diapire of shell (11), the position and radiator fan (21) looks adaptation of air outlet (23), the back fixedly connected with cooling water tank (51) and booster pump (52) of shell (11).

6. The charging pile for preventing overheating of the new energy automobile as claimed in claim 5, wherein: a connecting pipe water supply pipe is fixedly connected between the cooling water tank (51) and the booster pump (52), a water filling port is arranged at the top of the cooling water tank (51), and a supporting plate is fixedly connected to the bottom of the cooling water tank (51) and the back of the shell (11).

7. The charging pile for preventing overheating of the new energy automobile as claimed in claim 6, wherein: the outside of booster pump (52) and the solid fixed ring of back fixedly connected with that is located shell (11), the top of shell (11) is provided with and is used for carrying out dirt-proof dustproof subassembly (3) to shell (11) inside, dustproof subassembly (3) are including guard plate (31) and dust screen (32), one side fixedly connected with guard plate (31) of heat-conducting groove (24) are kept away from to dampproofing pad (13) of second.

8. The charging pile for preventing overheating of the new energy automobile as claimed in claim 7, wherein: the inside fixedly connected with dust screen (32) of guard plate (31), the connected mode of guard plate (31) and shell (11) is for through locking bolt fixed connection, the top of guard plate (31) is provided with hides rain subassembly (4) that are used for hiding rain to heat conduction groove (24).

9. The charging pile for preventing overheating of the new energy automobile as claimed in claim 8, wherein: rain shading assembly (4) include connecting rod (41) and rainshelter (42), dampproofing pad (13) of second keeps away from four connecting rods (41) of one side fixedly connected with of heat-conducting groove (24), four connecting rod (41) bilateral symmetry distribute in the top of shell (11), four the top fixedly connected with rainshelter (42) of connecting rod (41).

10. The electric pile that prevents overheating of new energy automobile of claim 9, characterized in that: the appearance of rainshelter (42) is for falling the V-arrangement, the bottom of shell (11) is provided with supporting component (6), supporting component (6) are including supporting base (61) and ventilation hole (62), the bottom fixedly connected with of shell (11) supports base (61), ventilation hole (62) have been seted up to the inside of supporting base (61).

Background

It is similar to the tanker aircraft inside the filling station to fill its function of electric pile, can fix on ground or wall, install in public building (public building, market, public parking area etc.) and residential quarter parking area or charging station, can charge for the electric automobile of various models according to different voltage classes, the input and the alternating current grid lug connection of filling electric pile, the output all is equipped with the charging plug and is used for charging for electric automobile, it generally provides two kinds of charging methods of conventional charging and quick charge to fill electric pile, people can use specific charging card to brush the card on the man-machine interaction operation interface that fills electric pile and provide and use, carry out corresponding charging method, the charging time, operation such as expense data printing, it can show the charging volume to fill electric pile display screen, the expense, data such as charging time.

With the improvement of the living standard of people and the trend of the environment-friendly, energy-saving and green ecological earth advocated at present, the electric automobile develops more and more vigorously and is applied more and more widely under the strong support of the country, the charging gun matched with the electric automobile is correspondingly and rapidly developed, the charging station is used as an important matched infrastructure necessary for developing the electric automobile, and has very important social benefit and economic benefit, the existing charging pile is mainly charged by the charging gun and the electric automobile, the current flowing between the charging gun and the electric automobile is large after the charging gun and the electric automobile are connected, so that the internal temperature of the charging pile is increased, if can not in time cool down the processing to filling electric pile, damage easily and fill the inside battery charging outfit of electric pile, lead to filling the unable normal work of electric pile, serious influence the normal use that fills electric pile, can not satisfy the social demand, so propose a new energy automobile and prevent overheated electric pile of filling and solve the problem that proposes in the aforesaid.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the overheating-prevention charging pile for the new energy automobile, which has the advantages of good heat dissipation effect, high cooling speed and the like, and solves the problems that the charging pile cannot work normally and the normal use of the charging pile is seriously influenced due to the fact that the charging equipment in the charging pile is easily damaged due to poor heat dissipation effect of the charging pile.

In order to achieve the purposes of good heat dissipation effect and high cooling speed, the invention provides the following technical scheme: the anti-overheating charging pile for the new energy automobile comprises a charging pile, a heat dissipation device and a cooling device, wherein the heat dissipation device for dissipating heat of the charging pile is arranged inside the charging pile, and the cooling device for cooling the inside of the charging pile is arranged on the back side of the charging pile and extends into the charging pile;

the heat dissipation device comprises a heat dissipation fan, a partition plate, an air outlet, a heat conduction groove and a temperature sensor, wherein the heat dissipation fan for dissipating heat of the charging pile is fixedly installed on the inner bottom wall of the charging pile, the partition plate is fixedly connected with the inner part of the charging pile and positioned at the top of the heat dissipation fan, the air outlet is formed in the partition plate, the heat conduction groove is formed in the top of the charging pile, and the temperature sensor for monitoring the internal temperature of the charging pile is arranged on the inner top wall of the charging pile;

cooling device includes coolant tank, booster pump, raceway, inlet tube, recirculated cooling water pipe and fixed knot, fill back fixedly connected with coolant tank and the booster pump of electric pile, coolant tank's one end fixedly connected with is kept away from to the booster pump extends to the inside raceway of electric pile, one side fixedly connected with that coolant tank kept away from the booster pump extends to the inside inlet tube of electric pile, fill the inside of electric pile and be located fixedly connected with recirculated cooling water pipe between inlet tube and the raceway, the joint has fixed knot on recirculated cooling water pipe's the surface.

Further, fill electric pile and include shell, first dampproofing pad, the dampproofing pad of second, display screen, operating button, charging wire, hanging wire hook and charging plug.

Further, the first dampproofing pad of bottom fixedly connected with of shell, the dampproofing pad of top fixedly connected with second of shell, the positive fixedly connected with display screen of shell, the inside fixedly connected with of shell extends to the outside charging wire of shell.

Further, be provided with operating button on the display screen, fixedly connected with and the wire hook of charging wire looks adaptation on the outer wall of shell, the one end fixedly connected with charging plug of shell is kept away from to the charging wire.

Further, the one end and the shell joint of charging wire are kept away from to charging plug, two radiator fan of fixedly connected with on the interior diapire of shell, the position and the radiator fan looks adaptation of air outlet, the back fixedly connected with coolant tank and the booster pump of shell.

Furthermore, a connecting pipe water supply pipe is fixedly connected between the cooling water tank and the booster pump, a water filling port is arranged at the top of the cooling water tank, and a supporting plate is fixedly connected to the bottom of the cooling water tank and the back of the shell.

Further, the outside of booster pump just is located the solid fixed ring of back fixedly connected with of shell, the top of shell is provided with and is used for carrying out dirt-proof subassembly to the shell is inside, dirt-proof subassembly includes guard plate and dust screen, the dampproofing pad of second keeps away from one side fixedly connected with guard plate of heat-conducting duct.

Further, the inside fixedly connected with dust screen of guard plate, the connected mode of guard plate and shell is for passing through locking bolt fixed connection, the top of guard plate is provided with and is used for hiding the rain subassembly that hides of rain to the heat conduction groove.

Further, it includes connecting rod and rainshelter to hide the rain subassembly, the dampproofing pad of second keeps away from four connecting rods of one side fixedly connected with of heat-conducting groove, four the connecting rod bilateral symmetry distributes in the top of shell, four the top fixedly connected with rainshelter of connecting rod.

Further, the appearance of rainshelter is for falling the V-arrangement, the bottom of shell is provided with supporting component, supporting component is including supporting base and ventilation hole, the bottom fixedly connected with of shell supports the base, the ventilation hole has been seted up to the inside of supporting the base.

Compared with the prior art, the invention provides an anti-overheating charging pile for a new energy automobile, which has the following beneficial effects:

1. this electric pile is filled in new energy automobile overheating prevention, the heat conduction groove has been seted up through the top that sets up the shell, the inside subassembly that charges of the shell of being convenient for carries out the nature heat dissipation, when the inside temperature of shell surpassed the predetermined value, temperature sensor triggers the warning, the rethread sets up and starts radiator fan with the inside heat of shell from the heat conduction groove discharge, accomplish the heat dissipation until discharging from the heat conduction groove, the effectual life who fills the inside subassembly that charges of electric pile has been prolonged, the advantage that the radiating effect is good has been reached.

2. This electric pile is filled in new energy automobile overheating prevention, the back of filling electric pile and the inside that extends to filling electric pile through the setting are provided with and are used for filling the inside cooling device that cools down that carries on of electric pile, start the booster pump pressure boost when filling electric pile work, the booster pump pressure boost is carried the inside coolant liquid of coolant tank to recirculated cooling water intraductal through the raceway inside, be convenient for cool down the processing to the inside subassembly that charges of shell, then carry the inside coolant liquid of recirculated cooling water pipe to coolant tank inside cooling through the inlet tube, great acceleration the cooling effect, the fast advantage of cooling rate has been reached.

3. This electric pile is filled in new energy automobile prevents overheated, top through setting up the heat conduction groove is provided with dustproof subassembly, can effectively avoid outside dust impurity to get into inside the shell through the heat conduction groove, top through setting up the heat conduction groove is provided with hides the rain subassembly, can effectively avoid outside rainwater to get into to the shell inside through the heat conduction groove, the first dampproofing pad of bottom fixedly connected with through the shell, and the dampproofing pad of top fixedly connected with second of shell, the ventilation hole that link up each other is seted up to the inside that the rethread set up the support base, be convenient for the top and the bottom of shell air-dry naturally, it damages the charging equipment who fills electric pile inside easily to have solved relatively poor damage of electric pile radiating effect, lead to filling the unable normal work of electric pile, serious influence the problem of the normal use of electric pile.

Drawings

Fig. 1 is a structural front view of an anti-overheating charging pile for a new energy automobile according to the invention;

fig. 2 is a structural cross-sectional view of an anti-overheating charging pile for a new energy automobile according to the invention;

FIG. 3 is a structural back view of the anti-overheating charging pile for the new energy automobile;

FIG. 4 is a schematic structural diagram of a cooling device of an anti-overheating charging pile of a new energy automobile;

fig. 5 is a schematic structural diagram of a rain shielding assembly of the overheating prevention charging pile of the new energy automobile.

In the figure: 1 fills electric pile, 2 heat abstractor, 3 dustproof subassembly, 4 rain subassembly, 5 cooling device, 6 supporting component, 11 shells, 12 first dampproofing pads, 13 the dampproofing pad of second, 14 display screens, 15 operating button, 16 charging wires, 17 wire hook, 18 charging plug, 21 radiator fan, 22 baffles, 23 air outlets, 24 heat-conducting grooves, 25 temperature sensor, 31 guard plate, 32 dust screen, 41 connecting rods, 42 canopy, 51 coolant tank, 52 booster pump, 53 raceway, 54 inlet tube, 55 circulative cooling water pipe, 56 fixed knot, 61 supports the base, 62 ventilation holes.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the anti-overheating charging pile for the new energy automobile comprises a charging pile 1, a heat dissipation device 2 and a cooling device 5, wherein the heat dissipation device 2 for dissipating heat of the charging pile 1 is arranged inside the charging pile 1, and the cooling device 5 for cooling the inside of the charging pile 1 is arranged on the back side of the charging pile 1 and extends into the charging pile 1;

the heat dissipation device 2 comprises a heat dissipation fan 21, a partition plate 22, an air outlet 23, a heat conduction groove 24 and a temperature sensor 25, wherein the heat dissipation fan 21 for dissipating heat of the charging pile 1 is fixedly installed on the inner bottom wall of the charging pile 1, the partition plate 22 is fixedly connected with the inner side of the charging pile 1 and positioned at the top of the heat dissipation fan 21, the air outlet 23 is formed in the partition plate 22, the heat conduction groove 24 is formed in the top of the charging pile 1, the temperature sensor 25 for monitoring the temperature in the charging pile 1 is arranged on the inner top wall of the charging pile 1, the type of the temperature sensor 25 can be TR/02010, the heat conduction groove 24 is formed in the top of the shell 11, so that the charging assembly in the shell 11 can dissipate heat naturally, when the temperature in the shell 11 exceeds a preset value, the temperature sensor 25 triggers an alarm, and the heat dissipation fan 21 is started to discharge the heat in the shell 11 from the heat conduction groove 24, the service life of the charging assembly in the charging pile 1 is effectively prolonged until the heat is discharged from the heat conducting groove 24 to finish heat dissipation, the advantage of good heat dissipation effect is achieved, and the problems that the charging pile cannot work normally and the normal use of the charging pile is seriously influenced due to the fact that the charging equipment in the charging pile is easily damaged due to poor heat dissipation effect of the charging pile are solved;

the cooling device 5 comprises a cooling water tank 51, a booster pump 52, a water pipe 53, a water inlet pipe 54, a circulating cooling water pipe 55 and a fixing buckle 56, the back of the charging pile 1 is fixedly connected with the cooling water tank 51 and the booster pump 52, one end of the booster pump 52, far away from the cooling water tank 51, is fixedly connected with the water pipe 53 extending into the charging pile 1, one side of the cooling water tank 51, far away from the booster pump 52, is fixedly connected with the water inlet pipe 54 extending into the charging pile 1, the circulating cooling water pipe 55 is fixedly connected inside the charging pile 1 and positioned between the water inlet pipe 54 and the water pipe 53, the fixing buckle 56 is clamped on the outer surface of the circulating cooling water pipe 55, the cooling device 5 used for cooling the charging pile 1 is arranged on the back of the charging pile 1 and extending into the charging pile 1, when the booster pump 52 is started for boosting when the charging pile 1 works, the booster pump 52 boosts and conveys cooling liquid inside the cooling water tank 51 to the circulating cooling water pipe 55 through the water pipe 53, be convenient for cool down the processing to the inside subassembly that charges of shell 11, then carry the inside coolant liquid of recirculated cooling water pipe 55 to cooling water tank 51 internal cooling through inlet tube 54, great acceleration the cooling effect, reached the fast advantage of cooling rate, solved and filled the relatively easy damage of electric pile radiating effect and filled the inside battery charging outfit of electric pile, lead to filling the unable normal work of electric pile, serious influence the problem of the normal use of electric pile.

In this embodiment, the charging pile 1 includes a housing 11, a first moisture-proof pad 12, a second moisture-proof pad 13, a display screen 14, an operation button 15, a charging wire 16, a wire hanging hook 17 and a charging plug 18, the bottom of the housing 11 is fixedly connected with the first moisture-proof pad 12, the top of the housing 11 is fixedly connected with the second moisture-proof pad 13, the front of the housing 11 is fixedly connected with the display screen 14, the inside of the housing 11 is fixedly connected with the charging wire 16 extending to the outside of the housing 11, the display screen 14 is provided with the operation button 15, the outer wall of the housing 11 is fixedly connected with the wire hanging hook 17 matched with the charging wire 16, one end of the charging wire 16 far away from the housing 11 is fixedly connected with the charging plug 18, one end of the charging plug 18 far away from the charging wire 16 is connected with the housing 11 in a clamping manner, the first moisture-proof pad 12 is fixedly connected with the bottom of, the top and the bottom natural air-dry of shell 11 of being convenient for, the effectual holistic dampproofing ability that fills electric pile 1 that has improved.

In this embodiment, two cooling fans 21 are fixedly connected to the inner bottom wall of the housing 11, the position of the air outlet 23 is matched with the cooling fans 21, the back of the housing 11 is fixedly connected with a cooling water tank 51 and a booster pump 52, a connecting pipe water supply pipe is fixedly connected between the cooling water tank 51 and the booster pump 52, a water filling port is arranged at the top of the cooling water tank 51, so as to periodically add cooling liquid into the cooling water tank 51, a supporting plate is fixedly connected to the bottom of the cooling water tank 51 and located at the back of the housing 11, so as to effectively improve the stability of the cooling water tank 51 support, a booster pump fixing ring is fixedly connected to the outside of the booster pump 52 and located at the back of the housing 11, and a fixing ring is fixedly connected to the back of the housing 11 and arranged at the outside of the booster pump 52, the fixing stability of the booster pump 52 is effectively improved.

In this embodiment, the top of shell 11 is provided with and is used for carrying out dirt-proof dustproof subassembly 3 to shell 11 inside, dustproof subassembly 3 includes guard plate 31 and dust screen 32, one side fixedly connected with guard plate 31 of heat-conducting duct 24 is kept away from to the dampproofing pad 13 of second, the inside fixedly connected with dust screen 32 of guard plate 31, guard plate 31 is through locking bolt fixed connection with shell 11's connected mode, top through setting up heat-conducting duct 24 is provided with dustproof subassembly 3, can effectively avoid outside dust impurity to pass through inside heat-conducting duct 24 gets into shell 11, connected mode through setting up guard plate 31 and shell 11 is through locking bolt fixed connection, be convenient for regularly clear up dustproof subassembly 3.

In this embodiment, the top of the protection plate 31 is provided with a rain shielding assembly 4 for shielding rain from the heat conduction groove 24, the rain shielding assembly 4 includes a connection rod 41 and a rain shielding shed 42, one side of the second moisture-proof pad 13 away from the heat conduction groove 24 is fixedly connected with four connection rods 41, the four connection rods 41 are symmetrically distributed on the top of the housing 11, the top of the four connection rods 41 is fixedly connected with the rain shielding shed 42, the rain shielding shed 42 is in an inverted V shape, the rain shielding assembly 4 is arranged on the top of the heat conduction groove 24, external rain water can be effectively prevented from entering the housing 11 through the heat conduction groove 24, the bottom of the housing 11 is provided with a support assembly 6, the support assembly 6 includes a support base 61 and a ventilation hole 62, the bottom of the housing 11 is fixedly connected with a support base 61, the ventilation hole 62 is formed in the support base 61, the ventilation holes 62 which are mutually communicated are formed in the support base 61, facilitating natural air drying of the bottom of the housing 11.

When the charging pile 1 works, the booster pump 52 is started to boost pressure, the booster pump 52 boosts pressure to convey cooling liquid in the cooling water tank 51 to the inside of the circulating cooling water pipe 55 through the water conveying pipe 53, so that the charging assembly in the shell 11 can be cooled conveniently, and then the cooling liquid in the circulating cooling water pipe 55 is conveyed to the inside of the cooling water tank 51 through the water inlet pipe 54 to be cooled, so that the cooling effect is greatly accelerated; the heat conduction groove 24 is formed in the top of the shell 11, so that the charging assembly inside the shell 11 can naturally dissipate heat, when the temperature inside the shell 11 exceeds a preset value, the temperature sensor 25 triggers an alarm, and the heat dissipation fan 21 is started to discharge the heat inside the shell 11 from the heat conduction groove 24 until the heat is discharged from the heat conduction groove 24 to finish heat dissipation.

The beneficial effects of the above embodiment are as follows:

this electric pile is filled in new energy automobile overheating prevention, heat conduction groove 24 has been seted up through the top that sets up shell 11, the inside subassembly that charges of shell 11 of being convenient for carries out the nature heat dissipation, when the inside temperature of shell 11 surpasses the predetermined value, temperature sensor 25 triggers the warning, rethread sets up starts radiator fan 21 and discharges the inside heat of shell 11 from heat conduction groove 24, until accomplishing the heat dissipation from heat conduction groove 24 discharge, the effectual life who fills 1 inside subassembly that charges of electric pile has been prolonged, the advantage that the radiating effect is good has been reached.

This electric pile is filled in new energy automobile overheating prevention, the back of filling electric pile 1 and extending to the inside of filling electric pile 1 through the setting are provided with and are used for filling 1 inside cooling device 5 that goes on cooling down of electric pile, start booster pump 52 pressure boost when filling electric pile 1 work, booster pump 52 pressure boost is carried the inside coolant liquid of coolant tank 51 to recirculated cooling water pipe 55 inside through raceway 53, be convenient for cool down the processing to the inside subassembly that charges of shell 11, then carry the inside coolant liquid of recirculated cooling water pipe 55 to coolant tank 51 inside cooling through inlet tube 54, great acceleration the cooling effect, the fast advantage of cooling rate has been reached.

This electric pile is filled in new energy automobile anti-heat, top through setting up heat conduction groove 24 is provided with dustproof subassembly 3, can effectively avoid outside dust impurity to get into inside shell 11 through heat conduction groove 24, top through setting up heat conduction groove 24 is provided with hides rain subassembly 4, can effectively avoid outside rainwater to get into inside shell 11 through heat conduction groove 24, the first dampproofing pad 12 of bottom fixedly connected with through shell 11, and the dampproofing pad 13 of top fixedly connected with second of shell 11, the inside of rethread setting up support base 61 sets up ventilation hole 62 that link up each other, be convenient for shell 11's top and bottom natural air-dry, the relatively poor easy damage of electric pile inside battery charging outfit of filling of electric pile radiating effect has been solved, lead to unable normal work of electric pile of filling, serious influence the normal use's of electric pile problem.

The electrical components shown herein are electrically connected to a main controller and a power supply, the main controller can be a conventional known device controlled by a computer, and the conventional power connection technology disclosed in the prior art is not described in detail herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.