High-voltage power distribution cabinet device and alarm method based on abnormal temperature in cabinet

Abstract

The invention relates to the technical field of power distribution cabinets, and discloses a high-voltage power distribution cabinet device and an alarm method based on abnormal temperature in the cabinet. After the temperature of a wire harness in a wire harness box is increased abnormally due to overload, a heat dissipation mechanism operates to accelerate air circulation in the power distribution cabinet; the electric push rod works to drive the driving assembly to be connected with the heat dissipation mechanism and drive the conical spray head to move up and down in the cabinet body in a reciprocating mode, during the period, when the conical spray head is inserted into conical guide-in openings in the two ends of the wire harness box, the conical spray head blows liquid carbon dioxide into the wire harness box, the wire harness is rapidly cooled, and under cooperation of the heat dissipation mechanism, the wire harness can be rapidly cooled. The carbon dioxide gas diffuses into the power distribution cabinet and flows through electrical equipment and each wiring harness box in the power distribution cabinet, and especially after open fire appears on wiring harnesses in the wiring harness boxes, the carbon dioxide gas can also play a role in extinguishing the open fire.

Description

Technical Field

[0001] The present invention relates to the technical field of distribution cabinets, and specifically to a high-voltage distribution cabinet device and an alarm method based on abnormal temperature inside the cabinet. Background Art

[0002] Distribution cabinets are divided into power distribution cabinets, lighting distribution cabinets and metering cabinets. They are the end devices of the power distribution system and are collectively referred to as the motor control center. With the development of the times and the acceleration of the industrialization process, various electrical components are more widely used, such as circuit breakers, electric meters, frequency converters, etc. These components will generate a large amount of heat during operation. Moreover, when the components themselves are in a high-temperature environment, especially when the temperature inside the distribution cabinet is higher than 40 degrees Celsius for a long time, it will seriously affect the operation stability and service life of the components inside the power distribution equipment.

[0003] To solve the above technical problems, Chinese Patent with the application number 202321094033.8 discloses a heat dissipation device for a distribution cabinet, including a distribution cabinet. A fan is fixedly installed on one side of the distribution cabinet, and a motor is fixedly installed on one side of the distribution cabinet. The output shaft of the motor is fixedly connected to a driving bevel gear, and a driven bevel gear is meshed on the surface of the driving bevel gear. A threaded rod is fixedly connected to the upper surface of the driven bevel gear, a first slider is sleeved on the surface of the threaded rod, an air outlet housing is fixedly connected to one side of the first slider, and a second slider is fixedly connected to one side of the air outlet housing. This kind of heat dissipation device for a distribution cabinet effectively solves the problem that it is impossible to evenly dissipate heat from electrical components at different heights, which will cause uneven heat dissipation and lead to the burnout of electrical components inside the distribution cabinet, achieving the effect of evenly dissipating heat inside the distribution cabinet. At the same time, it improves the service life of the distribution cabinet, reduces the device cost, and can also improve the working efficiency of the device during actual use.

[0004] The above technical solution realizes mobile heat dissipation and temperature reduction of electrical equipment inside the distribution cabinet through the cooperation of a threaded rod, a first slider and an air outlet housing. However, since there is no corresponding air flow mechanism at its installation plate, the air circulation effect inside the distribution cabinet is poor, which in turn affects the heat dissipation effect inside the distribution cabinet. And because the air flow direction generated by its blowing housing directly points to the electrical equipment inside the distribution cabinet, the connection between the connecting wires of adjacent electrical equipment and the electrical equipment is prone to looseness or detachment under the influence of the wind force, which in turn affects the normal use of the electrical equipment. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides a high-voltage distribution cabinet device and an alarm method based on abnormal temperature inside the cabinet, which have the advantages of being able to quickly cool the wire harness and the distribution cabinet, accelerating the air circulation inside the distribution cabinet, thereby enhancing the cooling effect, and also being able to fix and position the wire harness, etc., and solves the above problems.

[0006] To solve the above technical problems, the present invention provides the following technical solution: A high-voltage power distribution cabinet device, including a cabinet body, a heat dissipation mechanism is arranged on the cabinet body, a wire harness box is fixedly connected to the inner side of the cabinet body, and conical inlets are fixedly connected to both ends of the wire harness box, and each of the conical inlets is located on the same vertical line; A temperature reduction mechanism is further arranged on the cabinet body. The temperature reduction mechanism includes a conical nozzle, an electric push rod and a driving component. When the temperature of the cabinet body exceeds the warning point, the electric push rod drives the driving component to be connected to the heat dissipation mechanism, and the heat dissipation mechanism can drive the conical nozzle to move up and down reciprocally while operating; When the conical nozzle moves up and down reciprocally past each of the conical inlets, the conical nozzle can be inserted into each of the conical inlets to cool each wire harness box; A fixing mechanism is further arranged on the wire harness box. When the conical nozzle extends into any one of the conical inlets, the fixing mechanism fixes the wire harness installed on the wire harness box corresponding to the conical inlet.

[0007] Preferably, the heat dissipation mechanism includes a round hole, a fixing frame, a filter screen, a double-shaft motor, a fan and a protective shell. The round hole is opened at the top of the cabinet body and penetrates the cabinet body. The fixing frame and the filter screen are both fixedly connected in the round hole, and the filter screen is distributed on the inner top surface of the cabinet body. The double-shaft motor is installed inside the fixing frame. The fan is fixedly connected to the bottom output shaft of the double-shaft motor, and the fan is distributed between the double-shaft motor and the filter screen. The output shaft of the double-shaft motor away from the fan extends out of the protective shell. The protective shell is fixedly connected to the top surface of the cabinet body, and the position of the protective shell corresponds to that of the filter screen. Heat dissipation holes are opened on the protective shell.

[0008] Preferably, the driving component includes a driving gear, a driven gear and a sliding plate; the driving gear is fixedly connected to the output shaft of the double-shaft motor away from the fan, the bottom of the driven gear is fixedly connected with a spline sleeve, the outer side of the spline sleeve is rotationally connected with a fixing plate, the fixing plate is fixedly connected to the output shaft of the electric push rod, a spline shaft is inserted inside the spline sleeve, the bottom of the spline shaft is fixedly connected with a reciprocating lead screw, the spline sleeve is rotationally connected to the fixing plate through a bearing seat, a protective shell for protecting the electric push rod is further arranged on the cabinet body, and both ends of the reciprocating lead screw are rotationally connected to the inner side of the cabinet body through bearing seats.

[0009] Preferably, one end of the sliding plate is fixedly connected with a guide rod, the guide rod is slidably connected to the reciprocating lead screw, the inner side of the sliding plate is also slidably connected with a limiting rod, both ends of the limiting rod are fixedly connected to the inner side of the cabinet body, one side of the sliding plate is fixedly connected with a return spring, the end of the return spring away from the sliding plate is fixedly connected to the conical nozzle, the sliding plate is also slidably connected with a sliding rod, one end of the sliding rod is fixedly connected to the conical nozzle, and the other end of the sliding rod passes through the sliding plate and is fixedly connected with a clamping plate. The return spring and the sliding rod are symmetrically distributed on one side of the sliding plate.

[0010] Preferably, a spring hose is fixedly connected to the outer side of the conical nozzle, one end of the spring hose away from the conical nozzle passes through the cabinet body and is connected with an electric ball valve, the end of the electric ball valve away from the spring hose is detachably connected with a gas storage cylinder, a placement box is fixedly connected to the outer side of the electric ball valve, the electric ball valve is installed inside the placement box through a mounting bracket, the placement box is fixedly connected to the cabinet body, and the gas storage cylinder is installed inside the placement box through a fixing bracket.

[0011] Preferably, the fixing mechanism includes a linkage assembly, a plurality of wiring holes, and clamping plates. The wiring holes penetrate through the wire harness box, the wiring holes are equally spaced on the upper and lower sides of the wire harness box, the clamping plates are arranged in the wiring holes, and when the linkage assembly operates, it can drive the clamping plates to rotate towards each other; A guide rod is fixedly connected to the bottom of the clamping plate, a base is slidably connected to the outer side of the guide rod, a fixing spring is fixedly connected to the bottom of the clamping plate, the guide rod and the fixing spring are both distributed on both sides of the base, the end of the fixing spring away from the clamping plate is fixedly connected to the base, a guide groove corresponding to the position of the guide rod is formed in the base, and the guide rod is slidably connected in the guide groove.

[0012] Preferably, the linkage assembly includes a support, a rack, and a guide key shaft. The rack is fixedly connected to the sliding plate, a worm is rotatably connected inside the support, one end of the worm extends out of the support and is connected with a one-way gear, a worm gear is meshed with the outer side of the worm, the position of the one-way gear corresponds to that of the rack, a ratchet mechanism for restricting the one-way rotation of the one-way gear is arranged inside the one-way gear, the worm is fixedly connected with the ratchet mechanism inside the one-way gear, and the worm passes through the ratchet mechanism and extends to the other side of the one-way gear.

[0013] Preferably, a forward rotating shaft is fixedly connected to the inner side of the worm gear. A driving gear is fixedly connected to the outer end of the forward rotating shaft. A follower gear is meshed with the outer side of the driving gear. A reverse rotating shaft is fixedly connected to the inner side of the follower gear. There are multiple forward rotating shafts and reverse rotating shafts. The forward rotating shafts and reverse rotating shafts are symmetrically distributed on the upper and lower sides of the wire harness box. One ends of the forward rotating shafts and reverse rotating shafts away from the driving gear sequentially penetrate through the wire harness box, the wiring holes and the base and extend to the other end of the wire harness box. The forward rotating shafts and reverse rotating shafts are rotatably connected to the wire harness box through bearing seats. Multiple bases are respectively fixedly connected to the forward rotating shafts and reverse rotating shafts.

[0014] Preferably, the guiding key shaft is fixedly connected to the outer end of the worm. A handle is slidably connected to the guiding key shaft. A plug rod is fixedly connected to the inner side of the handle. A connecting spring is also fixedly connected to the inner side of the handle. A jack is formed in the one-way gear through the ratchet mechanism and the one-way gear. One end of the connecting spring away from the handle is fixedly connected to the outer side of the one-way gear. The position of the plug rod corresponds to that of the jack. A limiting plate is also fixedly connected to the outer end of the guiding key shaft. The inner side of the limiting plate abuts against the handle.

[0015] An alarm method based on abnormal temperature inside the cabinet uses the above-mentioned high-voltage power distribution cabinet device.

[0016] Compared with the prior art, the present invention provides a high-voltage power distribution cabinet device and an alarm method based on abnormal temperature inside the cabinet, having the following beneficial effects: 1. In the present invention, after the temperature of the wire harnesses in the wire harness box rises abnormally due to overload, the operation of the heat dissipation mechanism will accelerate the air circulation inside the power distribution cabinet. The electric push rod works to drive the driving component to be connected with the heat dissipation mechanism, driving the conical nozzle to reciprocate up and down inside the cabinet. During this period, when the conical nozzle is inserted into the conical inlets at both ends of the wire harness box, the conical nozzle will blow liquid carbon dioxide into the wire harness box to quickly cool the wire harnesses. And with the cooperation of the heat dissipation mechanism, the carbon dioxide gas will diffuse into the power distribution cabinet and flow through the electrical equipment and each wire harness box inside the power distribution cabinet. Especially after a fire occurs in the wire harnesses in the wire harness box, the carbon dioxide gas can also play the role of extinguishing the fire.

[0017] 2. In the present invention, through the cooperation of the driving component and the fixing component, when the driving component operates, the linkage component will be driven by the driving component to work. The work of the linkage component will cause the clamping plates in the wiring holes to rotate towards each other. At this time, the clamping plates can clamp and fix the wire harnesses in the wire harness box, so that when the conical nozzle blows liquid carbon dioxide gas into the wire harness box, the connection between the wire harnesses and the electrical equipment will not become loose or fall off.

[0018] 3. In the present invention, by providing a linkage component, when it is necessary to replace or disassemble the wire harness, the handle can be pressed, so that the insertion rod on the handle is inserted into the jack on the one-way gear. At this time, the handle is connected to the ratchet mechanism inside the one-way gear. Then, the handle can be rotated. At this time, the handle will drive the ratchet mechanism to rotate, and then the clamping plate will rotate, thus releasing the fixation of the wire harness, facilitating the replacement and disassembly of the wire harness. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a first perspective schematic diagram of a high-voltage power distribution cabinet device of the present invention; Figure 2 is a second perspective schematic diagram of a high-voltage power distribution cabinet device of the present invention; Figure 3 is a third perspective schematic diagram of a high-voltage power distribution cabinet device of the present invention; Figure 4 is a fourth perspective schematic diagram of a high-voltage power distribution cabinet device of the present invention; Figure 5 is a first perspective schematic diagram of a heat dissipation mechanism, a temperature reduction mechanism and a fixing mechanism in the present invention; Figure 6 is a second perspective schematic diagram of a heat dissipation mechanism, a temperature reduction mechanism and a fixing mechanism in the present invention; Figure 7 is Figure 6 an enlarged schematic diagram of the structure at A in Figure 8 is an enlarged schematic diagram of the wire harness box structure in the present invention; Figure 9 is an enlarged schematic diagram of the sliding plate structure in the present invention; Figure 10 is an enlarged schematic diagram of the linkage structure in the present invention; Figure 11 is Figure 10 an enlarged schematic diagram of the structure at B in Figure 12 is a side sectional schematic diagram of the one-way gear in the present invention; Figure 13 is an enlarged schematic diagram of the structure of the guide key shaft in the present invention.

[0020] In the figure: 1, cabinet body; 2, heat dissipation mechanism; 21, fixing frame; 22, filter screen; 24, double-shaft motor; 25, protective shell; 26, fan; 3, wire harness box; 31, conical inlet; 4, temperature reduction mechanism; 41, conical nozzle; 411, spring hose; 412, electric ball valve; 413, gas storage cylinder; 414, placement box; 42, drive assembly; 43, driving gear; 44, driven gear; 441, spline sleeve; 442, fixing plate; 444, spline shaft; 445, reciprocating lead screw; 45, sliding plate; 451, limiting rod; 452, return spring; 453, slide bar; 46, electric push rod; 5, fixing mechanism; 51, wiring hole; 52, clamping plate; 521, guide rod; 522, base; 523, fixing spring; 53, linkage assembly; 54, support; 541, worm; 542, one-way gear; 543, worm gear; 544, forward rotating shaft; 545, driving gear; 546, follower gear; 547, reverse rotating shaft; 55, rack; 56, guide key shaft; 561, inserting rod; 562, connecting spring. Detailed implementation mode

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Embodiment 1: Please refer to Figure 1-13 , A high-voltage power distribution cabinet device includes a cabinet body 1, a heat dissipation mechanism 2 is arranged on the cabinet body 1, a wire harness box 3 is fixedly connected to the inner side of the cabinet body 1, and conical inlets 31 are fixedly connected to both ends of the wire harness box 3, and each conical inlet 31 is located on the same vertical line; A temperature reduction mechanism 4 is further arranged on the cabinet body 1. The temperature reduction mechanism 4 includes a conical nozzle 41, an electric push rod 46 and a drive assembly 42. When the temperature of the cabinet body 1 exceeds the warning point (a temperature sensor is arranged at the inner bottom of the wire harness box 3), the electric push rod 46 drives the drive assembly 42 to be connected to the heat dissipation mechanism 2, and the heat dissipation mechanism 2 can drive the conical nozzle 41 to move up and down reciprocally while operating; And when the conical nozzle 41 moves up and down reciprocally past each conical inlet 31, the conical nozzle 41 can be inserted into each conical inlet 31 to cool each wire harness box 3; A fixing mechanism 5 is further arranged on the wire harness box 3. When the conical nozzle 41 extends into any one of the conical inlets 31, the fixing mechanism 5 fixes the wire harness installed on the wire harness box 3 corresponding to the conical inlet 31.

[0023] After the temperature of the wire harness in the wire harness box 3 rises abnormally due to overload, the heat dissipation mechanism 2 and the electric push rod 46 operate. The heat dissipation mechanism 2 operates to accelerate the air circulation in the power distribution cabinet. The electric push rod 46 works to drive the driving component 42 to be connected to the heat dissipation mechanism 2. At this time, the driving component 42 will be driven by the heat dissipation mechanism 2 to operate. The operation of the driving component 42 will drive the conical nozzle 41 to reciprocate up and down in the cabinet body 1. During this period, the conical nozzle 41 will be inserted into the conical inlets 31 at both ends of the wire harness box 3. At this time, the conical nozzle 41 will blow liquid carbon dioxide into the wire harness box 3. After the liquid carbon dioxide enters the wire harness box 3, it will flow through each wire harness and vaporize under the influence of the high temperature in the wire harness box 3, so as to quickly cool the wire harness, thus avoiding the over-high temperature of the wire harness. At the same time, since the heat dissipation mechanism 2 is still in operation at this time, the gaseous liquid carbon dioxide ejected from the conical nozzle 41 will be guided by the heat dissipation mechanism 2 and thus diffuse into the cabinet body 1. At this time, the vaporized carbon dioxide gas will flow through the electrical equipment and each wire harness box 3 in the power distribution cabinet, thereby improving the cooling effect on the power distribution cabinet. After a fire occurs in the wire harness in the wire harness box 3, the liquid carbon dioxide gas blown by the conical nozzle 41 can also play an effect of extinguishing the fire. When the driving component 42 works, the driving component 42 will drive the linkage component 53 to operate. The operation of the linkage component 53 will drive the clamping plates 52 in the wiring holes 51 to rotate towards each other, so as to fix the wire harnesses in the wiring holes 51, thereby preventing the problem that when the conical nozzle 41 blows liquid carbon dioxide gas into the wire harness box 3 again, it will disturb the connecting wires in the wire harness box 3 and cause the connecting wires to loosen and fall off.

[0024] Embodiment 2:

[0025] A high-voltage power distribution cabinet device includes a cabinet body 1. A heat dissipation grille and a wire passing hole are provided on the cabinet body 1. A heat dissipation mechanism 2 is provided on the cabinet body 1. The heat dissipation mechanism 2 is used to accelerate the air circulation in the cabinet body 1. The inner side of the cabinet body 1 is fixedly connected with wire harness boxes 3. The wire harness boxes 3 are equally spaced on the inner side of the cabinet body 1. A number of arc holes are opened on the wire harness boxes 3. Conical inlets 31 are fixedly connected to both ends of the wire harness boxes 3, and a temperature sensor is arranged inside the wire harness boxes 3; A cooling mechanism 4 is further provided on the cabinet body 1. The cooling mechanism 4 includes a conical nozzle 41, an electric push rod 46 and a driving component 42. The position of the conical nozzle 41 corresponds to that of the conical inlet 31. The conical nozzle 41 is used to blow liquid carbon dioxide into the wire harness box 3. The electric push rod 46 is fixedly connected to the top surface of the cabinet body 1. The electric push rod 46 is used to drive the driving component 42 to be connected to the heat dissipation mechanism 2. When the driving component 42 operates, it can drive the conical nozzle 41 to reciprocate up and down in the cabinet body 1; The wire harness box 3 is also provided with a fixing mechanism 5. The fixing mechanism 5 includes a linkage assembly 53, a plurality of wiring holes 51, and clamping plates 52. The wiring holes 51 penetrate through the wire harness box 3 and are equally spaced on the upper and lower sides of the wire harness box 3. The clamping plates 52 are arranged in the wiring holes 51. When the linkage assembly 53 operates, it can drive the clamping plates 52 to rotate towards each other.

[0026] After the temperature of the wire harness in the wire harness box 3 rises abnormally due to overload, the temperature sensor in the wire harness box 3 will detect the abnormal temperature in the wire harness box 3, and then feedback information to the PLC controller. After that, the PLC controller will send an alarm message to the user and drive the heat dissipation mechanism 2 and the electric push rod 46 to operate. The operation of the heat dissipation mechanism 2 will accelerate the air circulation in the power distribution cabinet. The operation of the electric push rod 46 will drive the driving assembly 42 to be connected to the heat dissipation mechanism 2. At this time, the driving assembly 42 will be driven by the heat dissipation mechanism 2 to operate. The operation of the driving assembly 42 will drive the conical nozzle 41 to reciprocate up and down in the cabinet body 1. During this period, the conical nozzle 41 will insert into the tapered inlets 31 at both ends of the wire harness box 3. At this time, the conical nozzle 41 will blow liquid carbon dioxide into the wire harness box 3. After the liquid carbon dioxide enters the wire harness box 3, it will flow through each wire harness and vaporize under the influence of the high temperature in the wire harness box 3, thereby quickly cooling the wire harness and avoiding the wire harness from getting too hot. At the same time, since the heat dissipation mechanism 2 is still in operation at this time, the gaseous carbon dioxide ejected by the conical nozzle 41 will be guided by the heat dissipation mechanism 2 and diffuse into the cabinet body 1. At this time, the vaporized carbon dioxide gas will flow through the electrical equipment and each wire harness box 3 in the power distribution cabinet, thereby improving the cooling effect on the power distribution cabinet. When there is a fire in the wire harness in the wire harness box 3, the liquid carbon dioxide gas blown by the conical nozzle 41 can also extinguish the fire. When the driving assembly 42 operates, the driving assembly 42 will drive the linkage assembly 53 to operate. The operation of the linkage assembly 53 will drive the clamping plates 52 in the wiring holes 51 to rotate towards each other, thereby fixing the wire harness in the wiring holes 51 and preventing the connection wires in the wire harness box 3 from being disturbed and loosened or detached when the conical nozzle 41 blows liquid carbon dioxide gas into the wire harness box 3 again.

[0027] It should be noted that the electric push rod 46 and the temperature sensor are both externally connected to the PLC controller, and the externally connected PLC controller is electrically connected to an external alarm.

[0028] Embodiment Three: Refer to Figure 1 - Figure 13, different from the above embodiments, the heat dissipation mechanism 2 includes a round hole, a fixing frame 21, a filter screen 22, a biaxial motor 24, a fan 26 and a protective shell 25. The round hole is opened at the top of the cabinet body 1 and penetrates through the cabinet body 1. The fixing frame 21 and the filter screen 22 are both fixedly connected in the round hole, and the filter screen 22 is distributed on the inner top surface of the cabinet body 1. The biaxial motor 24 is installed inside the fixing frame 21. The fan 26 is fixedly connected to the bottom output shaft of the biaxial motor 24, and the fan 26 is distributed between the biaxial motor 24 and the filter screen 22. The output shaft of the biaxial motor 24 away from the fan 26 extends out of the protective shell 25. The protective shell 25 is fixedly connected to the top surface of the cabinet body 1, and the position of the protective shell 25 corresponds to that of the filter screen 22. Heat dissipation holes are opened on the protective shell 25; The biaxial motor 24 drives the fan 26 to rotate. The rotation of the fan 26 will extract the air in the cabinet body 1 and discharge it from the cabinet body 1 through the heat dissipation holes on the protective shell 25. And the cold air from the outside will enter the cabinet body 1 again through the grille on the cabinet body 1. With the continuous operation of the biaxial motor 24 and the fan 26, the air in the cabinet body 1 can be accelerated, so as to achieve the heat dissipation effect.

[0029] Embodiment 4: Refer to Figure 1 - Figure 13 , different from the above embodiments, the driving assembly 42 includes a driving gear 43, a driven gear 44 and a sliding plate 45; the driving gear 43 is fixedly connected to the output shaft of the biaxial motor 24 away from the fan 26. A spline sleeve 441 is fixedly connected to the bottom of the driven gear 44. A fixing plate 442 is rotatably connected to the outside of the spline sleeve 441. The fixing plate 442 is fixedly connected to the output shaft of the electric push rod 46. A spline shaft 444 is inserted into the inside of the spline sleeve 441. A reciprocating lead screw 445 is fixedly connected to the bottom of the spline shaft 444. The spline sleeve 441 is rotatably connected to the fixing plate 442 through a bearing seat. A protective shell for protecting the electric push rod 46 is also provided on the cabinet body 1. Both ends of the reciprocating lead screw 445 are rotatably connected to the inside of the cabinet body 1 through bearing seats. A guide rod is fixedly connected to one end of the sliding plate 45. The guide rod is slidably connected to the reciprocating lead screw 445. A limiting rod 451 is also slidably connected to the inside of the sliding plate 45. Both ends of the limiting rod 451 are fixedly connected to the inside of the cabinet body 1. A return spring 452 is fixedly connected to one side of the sliding plate 45. The end of the return spring 452 away from the sliding plate 45 is fixedly connected to the conical nozzle 41. A slide rod 453 is also slidably connected to the sliding plate 45. One end of the slide rod 453 is fixedly connected to the conical nozzle 41, and the other end of the slide rod 453 passes through the sliding plate 45 and is fixedly connected to a clamping plate. The return spring 452 and the slide rod 453 are symmetrically distributed on one side of the sliding plate 45; When the heat dissipation mechanism 2 is working, the driving gear 43 will be driven to rotate by the double-shaft motor 24. When the electric push rod 46 works, it will push the driven gear 44 upward until the driven gear 44 is pushed to mesh with the driving gear 43. At this time, the driving gear 43 can drive the driven gear 44 to rotate. The rotation of the driven gear 44 will drive the spline sleeve 441 to rotate. The rotation of the spline sleeve 441 will drive the spline shaft 444 to rotate. The rotation of the spline shaft 444 will drive the reciprocating lead screw 445 to rotate. The rotation of the reciprocating lead screw 445 will drive the sliding plate 45 to move along the limiting rod 451. The movement of the sliding plate 45 will drive the return spring 452, the sliding rod 453 and the conical nozzle 41 to move. When the conical nozzle 41 moves to contact with the conical inlet 31, the conical inlet 31 will force the conical nozzle 41 to contract. The contraction of the conical nozzle 41 will compress the return spring 452. Then, the sliding plate 45 will drive the conical nozzle 41 to move downward. Then, when the center line of the conical nozzle 41 and the center line of the conical inlet 31 are in a horizontal position, the return spring 452 will push the conical nozzle 41 back to its original position under the action of elastic force. At this time, the conical nozzle 41 will insert into the conical inlet 31. As the reciprocating lead screw 445 rotates continuously, the conical nozzle 41 will sequentially insert into different wire harness boxes 3 in the cabinet 1, thus facilitating the subsequent cooling of the wire harnesses in the wire harness box 3.

[0030] It should be noted that after the reciprocating lead screw 445 drives the sliding plate 45 to make a reciprocating up and down movement once, the electric push rod 46 will stop working.

[0031] Embodiment Five: Refer to Figure 1 - Figure 13 , different from the above embodiment, a spring hose 411 is fixedly connected to the outside of the conical nozzle 41. One end of the spring hose 411 away from the conical nozzle 41 passes through the cabinet 1 and is connected to an electric ball valve 412. One end of the electric ball valve 412 away from the spring hose 411 is detachably connected to a gas storage cylinder 413. An electric ball valve 412 is fixedly connected to the outside of the electric ball valve 412. The electric ball valve 412 is installed inside the placement box 414 through a mounting bracket. The placement box 414 is fixedly connected to the cabinet 1. The gas storage cylinder 413 is installed in the placement box 414 through a fixing bracket; When the conical nozzle 41 is driven by the driving component 42 to insert into the conical inlet 31, the electric ball valve 412 will open. At this time, the liquid carbon dioxide gas in the gas storage cylinder 413 will enter the conical nozzle 41 through the electric ball valve 412 and the spring hose 411, and then spray onto the connecting wires in the wire harness box 3. After the liquid carbon dioxide gas comes into contact with the connecting wires, it will vaporize. At this time, it will absorb the heat of the connecting wires, thus achieving the effect of cooling the connecting wires, and the blown liquid carbon dioxide gas will diffuse into the cabinet 1 through the arc holes on the wire harness box 3.

[0032] It should be noted that the spring hose 411 is a polyurethane hose, and the electric ball valve 412 is also an electric low-temperature ball valve.

[0033] Embodiment Six: Refer to Figure 1 - Figure 13 , different from the above embodiment, a guide rod 521 is fixedly connected to the bottom of the clamping plate 52. A base 522 is slidably connected to the outer side of the guide rod 521. A fixing spring 523 is fixedly connected to the bottom of the clamping plate 52. The guide rod 521 and the fixing spring 523 are both distributed on both sides of the base 522. One end of the fixing spring 523 away from the clamping plate 52 is fixedly connected to the base 522. A guide groove corresponding to the position of the guide rod 521 is formed in the base 522. The guide rod 521 is slidably connected in the guide groove. The linkage assembly 53 includes a support 54, a rack 55 and a guide key shaft 56. The rack 55 is fixedly connected to the sliding plate 45. A worm 541 is rotatably connected to the inner side of the support 54. One end of the worm 541 extends out of the support 54 and is connected to a one-way gear 542. A worm gear 543 is engaged with the outer side of the worm 541. The position of the one-way gear 542 corresponds to that of the rack 55. A ratchet mechanism for restricting the one-way rotation of the one-way gear 542 is arranged inside the one-way gear 542. The worm 541 is fixedly connected to the ratchet mechanism inside the one-way gear 542, and the worm 541 passes through the ratchet mechanism and extends to the other side of the one-way gear 542. A forward rotating shaft 544 is fixedly connected to the inner side of the worm gear 543. A driving gear 545 is fixedly connected to the outer end of the forward rotating shaft 544. A follower gear 546 is engaged with the outer side of the driving gear 545. A reverse rotating shaft 547 is fixedly connected to the inner side of the follower gear 546. There are multiple forward rotating shafts 544 and reverse rotating shafts 547. The forward rotating shafts 544 and the reverse rotating shafts 547 are symmetrically distributed on the upper and lower sides of the wire harness box 3. The ends of the forward rotating shafts 544 and the reverse rotating shafts 547 away from the driving gear 545 sequentially penetrate through the wire harness box 3, the wiring hole 51 and the base 522 and extend to the other end of the wire harness box 3. The forward rotating shafts 544 and the reverse rotating shafts 547 are both rotatably connected to the wire harness box 3 through bearing seats. Multiple bases 522 are respectively fixedly connected to the forward rotating shafts 544 and the reverse rotating shafts 547; During use, first pass the connecting wire through the wiring hole 51 on the wire harness box 3. When the sliding plate 45 moves, the rack 55 will move accordingly. The movement of the rack 55 will engage with the one-way gear 542 and drive the one-way gear 542 to rotate. The rotation of the one-way gear 542 will drive the worm 541 to rotate. The rotation of the worm 541 drives the worm wheel 543 to rotate. The rotation of the worm wheel 543 drives the forward rotating shaft 544 to rotate. The rotation of the forward rotating shaft 544 drives the driving gear 545 to rotate. The rotation of the driving gear 545 drives the follower gear 546 to rotate. The rotation of the follower gear 546 drives the reverse rotating shaft 547 to rotate. The rotation of the forward rotating shaft 544 and the reverse rotating shaft 547 will drive the bases 522 in the wiring holes 51 to rotate towards each other. At this time, the bases 522 will drive the clamping plates 52 to rotate towards each other. The rotation of the clamping plates 52 will cooperate with the guide rods 521 and the fixing springs 523 to clamp and fix the wire harness in the wiring holes 51. The setting of the ratchet mechanism makes it so that when the rack 55 drives the rack 55 to move upward and the rack 55 contacts the one-way gear 542 again, affected by the ratchet mechanism, the worm 541 will no longer rotate, thus avoiding the problem that when the rack 55 contacts the one-way gear 542 during the upward movement of the rack 55, it will drive the worm 541 to rotate again, resulting in the clamping plates 52 being unable to fix the wire harness.

[0034] Embodiment Seven: Refer to Figure 1 - Figure 13 , which is different from the above embodiment in that the guide key shaft 56 is fixedly connected to the outer end of the worm 541. A handle is slidably connected to the guide key shaft 56. A plug rod 561 is fixedly connected to the inner side of the handle. A connecting spring 562 is also fixedly connected to the inner side of the handle. A through hole is provided on the one-way gear 542 that penetrates the ratchet mechanism and the one-way gear 542. The end of the connecting spring 562 away from the handle is fixedly connected to the outside of the one-way gear 542. The position of the plug rod 561 corresponds to the through hole. A limiting plate is also fixedly connected to the outer end of the guide key shaft 56. The inner side of the limiting plate abuts against the handle. When it is necessary to release the fixation of the connecting wire in the wire harness box 3, press the handle to drive the plug rod 561 to move. The handle will move on the guide key shaft 56. The movement of the plug rod 561 will insert into the through hole on the one-way gear 542. At this time, the handle and the one-way gear 542 are connected. Then the handle can be rotated. The rotation of the handle drives the one-way gear 542 to rotate through the plug rod 561. The rotation of the one-way gear 542 will cause the worm 541 to rotate again. Similarly, it can drive the bases 522 and the clamping plates 52 of the wiring holes 51 to rotate in the opposite direction. At this time, the fixation of the connecting wire can be released, facilitating subsequent disassembly or replacement of the wire harness.

[0035] Embodiment Eight: An alarm method based on abnormal temperature inside the cabinet uses the above high-voltage power distribution cabinet device.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-voltage power distribution cabinet device, comprising a cabinet body, wherein a heat dissipation mechanism is provided on the cabinet body, characterized in that: A wiring harness box is fixedly connected to the inner side of the cabinet, and both ends of the wiring harness box are fixedly connected to tapered inlets, and each of the tapered inlets is located on the same vertical line; The cabinet is also provided with a cooling mechanism, which includes a conical nozzle, an electric push rod and a driving assembly. When the temperature of the cabinet exceeds the warning point, the electric push rod drives the driving assembly to connect with the heat dissipation mechanism, and the heat dissipation mechanism can drive the conical nozzle to reciprocate up and down while operating; When the conical nozzle reciprocates up and down and passes through each of the conical inlets, the conical nozzle can be inserted into each of the conical inlets to cool down each of the wiring harness boxes; The wiring harness box is also provided with a fixing mechanism, and when the conical nozzle extends into any conical introduction port, the fixing mechanism fixes the wiring harness installed on the wiring harness box corresponding to the conical introduction port.

2. A high voltage distribution cabinet device according to claim 1, characterized in that: The heat dissipation mechanism includes a circular hole, a fixing frame, a filter, a dual-axis motor, a fan and a protective shell. The circular hole is opened on the top of the cabinet and passes through the cabinet. The fixing frame and the filter are fixedly connected in the circular hole, and the filter is distributed on the inner top surface of the cabinet. The dual-axis motor is installed on the inner side of the fixing frame. The fan is fixedly connected to the bottom output shaft of the dual-axis motor, and the fan is distributed between the dual-axis motor and the filter. The output shaft of the dual-axis motor away from one end of the fan extends out of the protective shell, and the protective shell is fixedly connected to the top surface of the cabinet, and the position of the protective shell corresponds to the filter. Heat dissipation holes are opened on the protective shell.

3. A high voltage distribution cabinet device according to claim 2, characterized in that: The driving assembly includes a driving gear, a driven gear and a sliding plate; the driving gear is fixedly connected to the output shaft of the dual-axis motor away from the fan, the bottom of the driven gear is fixedly connected to a spline sleeve, the outer side of the spline sleeve is rotatably connected to a fixed plate, the fixed plate is fixedly connected to the output shaft of the electric push rod, the inner side of the spline sleeve is plugged with a spline shaft, the bottom of the spline shaft is fixedly connected to a reciprocating screw, the spline sleeve is rotatably connected to the fixed plate through a bearing seat, a protective shell for protecting the electric push rod is also provided on the cabinet, and both ends of the reciprocating screw are rotatably connected to the inner side of the cabinet through bearing seats.

4. A high voltage distribution cabinet device according to claim 3, characterized in that: One end of the sliding plate is fixedly connected to a guide rod, and the guide rod is slidably connected to the reciprocating screw rod. The inner side of the sliding plate is also slidably connected to a limit rod, and both ends of the limit rod are fixedly connected to the inner side of the cabinet. One side of the sliding plate is fixedly connected to a return spring, and the end of the return spring away from the sliding plate is fixedly connected to the conical nozzle. The sliding plate is also slidably connected to a sliding rod, one end of the sliding rod is fixedly connected to the conical nozzle, and the other end of the sliding rod passes through the sliding plate and is fixedly connected to a clamping plate, and the return spring and the sliding rod are symmetrically distributed on one side of the sliding plate.

5. A high voltage distribution cabinet device according to claim 4, characterized in that: A spring hose is fixedly connected to the outer side of the conical nozzle, and one end of the spring hose away from the conical nozzle passes through the cabinet and is connected to an electric ball valve, and one end of the electric ball valve away from the spring hose is detachably connected to a gas cylinder, and a placement box is fixedly connected to the outer side of the electric ball valve, and the electric ball valve is installed on the inner side of the placement box through a mounting bracket, and the placement box is fixedly connected to the cabinet, and the gas cylinder is installed in the placement box through a fixing bracket.

6. A high voltage distribution cabinet device according to claim 1, characterized in that: The fixing mechanism includes a linkage assembly and a plurality of wiring holes and a clamping plate. The wiring holes penetrate the wiring harness box. The wiring holes are evenly spaced and distributed on the upper and lower sides of the wiring harness box. The clamping plate is arranged in the wiring holes. When the linkage assembly is in operation, the clamping plates can be driven to rotate toward each other. The bottom of the splint is fixedly connected to a guide rod, the outer side of the guide rod is slidably connected to a base, the bottom of the splint is fixedly connected to a fixed spring, the guide rod and the fixed spring are distributed on both sides of the base, the end of the fixed spring away from the splint is fixedly connected to the base, the base is provided with a guide groove corresponding to the position of the guide rod, and the guide rod is slidably connected in the guide groove.

7. A high voltage distribution cabinet device according to claim 6, characterized in that: The linkage assembly includes a support, a rack and a guide key shaft, the rack is fixedly connected to the sliding plate, a worm is rotatably connected to the inner side of the support, one end of the worm extends out of the support and is connected to a one-way gear, a worm wheel is meshed on the outer side of the worm, the position of the one-way gear corresponds to the rack, a ratchet mechanism for limiting the one-way rotation of the one-way gear is arranged inside the one-way gear, the worm is fixedly connected to the ratchet mechanism inside the one-way gear, and the worm passes through the ratchet mechanism and extends to the other side of the one-way gear.

8. A high voltage distribution cabinet device according to claim 7, characterized in that: A forward rotating shaft is fixedly connected to the inner side of the worm gear, and a driving gear is fixedly connected to the outer end of the forward rotating shaft, a follower gear is meshed on the outer side of the driving gear, and a reverse rotating shaft is fixedly connected to the inner side of the follower gear. There are multiple forward rotating shafts and reverse rotating shafts, and the forward rotating shafts and reverse rotating shafts are symmetrically distributed on the upper and lower sides of the wiring harness box. One end of the forward rotating shaft and the reverse rotating shaft away from the driving gear successively passes through the wiring harness box, the wiring hole and the base and extends to the other end of the wiring harness box. The forward rotating shaft and the reverse rotating shaft are both rotatably connected to the wiring harness box through a bearing seat, and multiple bases are respectively fixedly connected to the forward rotating shaft and the reverse rotating shaft.

9. A high voltage distribution cabinet device according to claim 8, characterized in that: The guide key shaft is fixedly connected to the outer end of the worm gear, a handle is slidably connected to the guide key shaft, an insertion rod is fixedly connected to the inner side of the handle, a connecting spring is also fixedly connected to the inner side of the handle, a plug hole is provided on the one-way gear that passes through the ratchet mechanism and the one-way gear, an end of the connecting spring away from the handle is fixedly connected to the outer side of the one-way gear, the position of the insertion rod corresponds to the plug hole, and the outer end of the guide key shaft is also fixedly connected to a limit plate, and the inner side of the limit plate contacts the handle.

10. An alarm method based on abnormal temperature in a cabinet, characterized in that: A high-voltage distribution cabinet device as described in any one of claims 1 to 9 is used.

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