CN112886435A

CN112886435A - Power equipment high temperature early warning device

Info

Publication number: CN112886435A
Application number: CN202110051904.7A
Authority: CN
Inventors: 朱建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-06-01

Abstract

The invention discloses a high-temperature early warning device for power equipment, which comprises a power distribution cabinet body, a power distribution bin, a bin cover, a power facility, a heat dissipation bin, a primary heat dissipation system, a secondary heat dissipation system, an early warning device and a control assembly fixedly connected to the heat dissipation bin, wherein the power distribution bin is arranged on the power distribution cabinet body; the primary heat dissipation system comprises a driving bin, a driving pump, a heat dissipation pipe, a backflow bin, a collection bin, a pipe arrangement, a distribution pipe, a wind exhaust bin, a dustproof film, a dustproof fan, a wind inlet, a flow baffle plate which is rotatably connected to the wind inlet, a heat conduction pipe which communicates the wind inlet with the wind exhaust bin, and a heat conduction pipe which is wound on the heat conduction pipe; the heat transfer pipe is communicated with the distribution pipe; the noise of the machine is reduced by cooling with water circulation; by arranging the two heat dissipation systems, the temperature of the power equipment can be started when exceeding a normal value, and the temperature of the power equipment is ensured to return to the normal value.

Description

Power equipment high temperature early warning device

Technical Field

The invention belongs to the technical field of electric appliances, and particularly relates to a high-temperature early warning device for electric power equipment.

Background

The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops; they distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load; a large number of electric wire interfaces and control switches are integrated in the distribution cabinet, so that the heat productivity is large, the distribution cabinet needs to be radiated in time to ensure the normal operation of the distribution cabinet, and accidents caused by early aging or fire of internal circuits due to overlarge heat productivity are avoided, so that the heat radiation of power equipment is very critical; the existing power distribution cabinets mostly use air cooling for heat dissipation, on one hand, the noise is high, the noise generated by simultaneous working of a plurality of machines can affect the surrounding environment, on the other hand, the air cooling heat dissipation efficiency is low, the heat dissipation capacity is limited, under the long-time working condition, a fan can generate static electricity, more dust is adsorbed, the heat dissipation capacity can be further reduced, therefore, dust cleaning maintenance is required to be carried out regularly, and the power distribution cabinets are complex; many current switch boards are outdoor like the use scene of traffic control switch board, and it is great to receive the environmental impact, when sunshine is penetrated directly in summer, and the temperature can rise rapidly, and general air-cooled heat dissipation is more debilitated.

Disclosure of Invention

The invention provides a high-temperature early warning device for power equipment, which can dissipate heat with more water cooling circulation to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a high-temperature early warning device for power equipment comprises a power distribution cabinet body, a power distribution bin arranged on the power distribution cabinet body, a bin cover rotatably connected to the power distribution cabinet body, a power facility fixedly connected to the power distribution bin, a heat dissipation bin arranged on the upper portion of the power distribution bin, a primary heat dissipation system arranged on the heat dissipation bin, a secondary heat dissipation system connected with the primary heat dissipation system, an early warning device fixedly connected to the power distribution cabinet and a control assembly fixedly connected to the heat dissipation bin; the primary heat dissipation system comprises a driving bin fixedly connected with the control assembly, a driving pump fixedly connected with the driving bin, a plurality of heat dissipation pipes communicated with the driving bin and fixedly connected with the power distribution bin, a return pipe fixedly connected with the heat dissipation pipes, a return bin arranged on the control assembly, a collection bin arranged on the secondary heat dissipation system, a pipe arranged between the collection bin and the return bin, a plurality of distribution pipes connected with the collection bin, a plurality of exhaust bins fixedly connected with the upper part of the heat dissipation bin, a dustproof film arranged on the exhaust bins, a plurality of dustproof fans rotatably connected with the dustproof bins, an air inlet arranged on the side wall of the heat dissipation bin, a flow baffle plate rotatably connected with the air inlet, a heat conduction pipe communicated with the air inlet and the exhaust bins, and a heat conduction pipe wound and sleeved on the heat conduction pipe; the heat transfer pipe is communicated with the distribution pipe; in the using process, the cooling liquid enters the radiating pipes from the driving bin under the driving of the driving pump and flows, a large amount of heat is generated in the working process of the power equipment, the temperature in the power distribution bin rises, when the cooling liquid passes through the power distribution bin, the heat is transferred to the cooling liquid through the radiating pipes, the cooling liquid carries the heat to flow into the return pipes, the further heated cooling liquid enters the return bins, the flows of the return pipes are converged and further enter the collection bin through the discharge pipes, the flow rate of the cooling liquid in the collection bin is reduced due to the large sectional area of the collection bin, when the cooling liquid passes through the secondary cooling system, the water in the secondary cooling system can perform the first concentrated cooling and then enters the heat transfer pipes through the dispersion pipes, the heat is transferred to the heat transfer pipes through the heat transfer pipes, meanwhile, the flow baffle plate is opened, the dustproof fan starts to rotate, the air flows through the heat transfer pipes and discharges the heat through, the obtained cooled cooling liquid returns to the driving bin again to carry out the next round of circulation, in the continuous circulation process, the heat in the power distribution bin is continuously discharged, and the temperature is gradually reduced; the traditional air cooling is replaced by cooling liquid circulation refrigeration, so that the heat dissipation efficiency is improved, meanwhile, the noise generated in the cooling liquid circulation process is smaller, the noise pollution is reduced, and the working environment is protected; compared with the traditional air-cooled power distribution cabinet, the power distribution cabinet is relatively closed, and direct air convection and exchange with the outside cannot be carried out in the cooling and heat dissipation process, so that the influence of the outside temperature on the temperature of the power distribution cabinet is limited when cooling liquid does not carry out circulating heat dissipation, the power distribution cabinet can be suitable for various outdoor scenes, and the power distribution cabinet has high applicability and practicability and strong anti-interference capability; meanwhile, the heat dissipation bin and the power distribution bin are separated, the sealing performance of the power distribution bin can reduce the possibility that moisture and dust enter the power distribution bin in the environment, and therefore the power equipment in the power distribution bin is prevented from generating static electricity, adsorbing the dust and causing static breakdown, a fire disaster is caused, and the safety of the equipment is improved.

The heat conduction pipe, the heat transfer pipe, the distribution pipe, the heat dissipation pipe and the return pipe are all made of copper; the copper pipeline has high heat conduction efficiency and high durability.

A temperature sensor is arranged in the collecting pipe; a central microprocessor is arranged in the control assembly; the collecting pipe senses the temperature generated by the power equipment in real time, and sends a signal to the central microprocessor when the temperature is higher, and the central microprocessor starts a primary heat dissipation system and starts water cooling circulation; when the temperature of the primary cooling system continuously rises after the primary cooling system is started, the central microprocessor starts the secondary cooling system and sends a signal to the early warning device; when the temperature of the external environment is relatively high, the central processing unit stops heat dissipation temporarily so as to reduce the temperature interference of the external environment.

The secondary heat dissipation system comprises an evaporation bin fixedly connected to the upper part of the heat dissipation bin, a water storage bin fixedly connected to the evaporation bin, a water accumulation groove arranged on the upper part of the heat dissipation bin, a water accumulation inclined plane arranged on the upper part of the evaporation bin, a plurality of drainage tubes communicated with the water accumulation groove and the water storage bin, a drainage port arranged at the tail end of the drainage tube, a steering motor fixedly connected to the lower part of the collection bin, a steering flange rotatably connected to the steering motor, a plurality of connecting columns fixedly connected to the steering flange, a sealing plate fixedly connected to the connecting columns and slidably connected to the upper panel of the water storage bin, a plurality of siphon tubes fixedly connected to the water storage bin, heat dissipation fins fixedly connected to the evaporation bin and an air overflow port arranged on the upper part; the lower part of the siphon is arranged at the lower part of the water storage bin; the siphon is communicated with the water storage bin and the evaporation bin; a torsion spring is arranged on the steering flange; if the power distribution cabinet is installed indoors, the water storage bin needs to be filled with water before use, and if the power distribution cabinet is installed outdoors, rainwater can enter the water accumulating groove through the water accumulating inclined plane in rainy days; then enters the water storage bin through the drainage tube, when the primary heat dissipation system is started, water in the water storage bin can cooperate with the heat conduction tube to perform primary centralized heat dissipation on the cooling liquid in the collection bin, if the temperature in the power distribution bin does not drop obviously or continuously rises to reach a specified warning value of the temperature sensor, the central non-processor can start the secondary heat dissipation system, the steering motor drives the steering flange to rotate, the sealing plate is further driven to slide towards two sides, the sealing plate seals the drainage port, the water storage bin is sealed, under the work of the primary heat dissipation system, the water in the water storage bin continuously absorbs heat from the cooling liquid in the collection bin, the temperature rises gradually, part of water is changed into vapor and is gathered at the upper part of the water storage bin, along with the continuous increase of the amount of the vapor at the upper part of the water storage bin, the air pressure in the water storage bin is increased, and the water in the water storage bin enters, the water is heated and evaporated on the heat dissipation fins to take away a large amount of heat, the temperature of cooling liquid in the collection bin is reduced, the temperature in the power distribution bin is reduced, the temperature sensor sends a signal to the central microprocessor, the central microprocessor turns off the steering motor, the steering flange rotates and resets under the action of the torsion spring, the sealing plate moves towards the middle, the drainage hole is opened, the water vapor is released, the air pressure in the water storage bin is reduced, and the residual water in the evaporation bin flows back to the water storage bin for storage; the secondary heat dissipation device is used as an emergency heat dissipation device, and can take away a large amount of heat in a short time by utilizing the principle of phase change refrigeration through evaporation of water, so that the temperature in the power distribution bin is not more than an alarm value, and the safety of equipment is protected; the secondary cooling system is intelligent and automatically carried out when the temperature exceeds a specified value, and when the primary cooling system and the secondary cooling system work simultaneously, a negative pressure air area is formed above the evaporation bin by the rotation of the dustproof fan, so that the evaporation of water in the evaporation bin can be accelerated, and the cooling efficiency is improved; in the open air, water in the water storage bin can be automatically supplied through raining, the adaptability is strong, and manual maintenance is reduced.

The return pipe, the radiating pipe and the heat transfer pipe are filled with refrigerant.

The early warning device comprises an alarm box fixedly connected to the side edge of the power distribution cabinet body, a red indicator light fixedly connected to the alarm box and a green indicator light fixedly connected to the alarm box; a buzzer is arranged in the alarm box; the alarm box is controlled by a central microprocessor; when the temperature in the power distribution cabinet is within a safety range, the green indicator lamp is turned on; when the temperature in the power distribution cabinet exceeds the safety range, the red indicator lamp is on, and the buzzer sounds.

In summary, the invention has the following advantages: by arranging the cooling liquid for circulating refrigeration, the noise of the machine during operation is reduced, the heat dissipation efficiency is improved, and the interference of the environmental temperature to the power distribution cabinet is reduced; set up second grade cooling system, can reduce the temperature in distribution storehouse through the evaporation quick heat dissipation of moisture under emergency, avoid the occurence of failure.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural view of fig. 2 with the bin cover hidden.

Fig. 4 is a top view of the present invention.

Fig. 5 is a cross-sectional perspective view of fig. 4 taken along a-a.

Fig. 6 is a cross-sectional view taken along B-B of fig. 4.

Fig. 7 is a cross-sectional view taken along line C-C of fig. 2.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the following will clearly and completely describe the technical solutions in the real-time examples of the present invention with reference to the drawings in the real-time examples of the present invention.

As shown in fig. 1-7, a high-temperature early warning device 6 for electrical equipment comprises a power distribution cabinet body 1, a power distribution bin 11, a bin cover 12, an electrical facility 2, a heat dissipation bin 3, a primary heat dissipation system 4, a secondary heat dissipation system 5, an early warning device 6 and a control assembly 7; the power distribution bin 11 is arranged at the lower part of the power distribution cabinet body 1; the bin cover 12 is rotatably connected to the power distribution cabinet body 1; the power facility 2 is fixedly connected to the power distribution cabin 11; the heat dissipation bin 3 is arranged at the upper part of the power distribution bin 11; the primary heat dissipation system 4 is arranged in the heat dissipation bin 3; the secondary cooling system 5 is connected with the primary cooling system 4; the early warning device 6 is fixedly connected to the power distribution cabinet; the control assembly 7 is fixedly connected with the heat dissipation bin 3; the primary heat dissipation system 4 comprises a driving bin 41, a driving pump 42, a heat dissipation pipe 43, a return pipe 44, a return bin 45, a collection bin 46, a discharge pipe 47, a distribution pipe 48, an exhaust bin 49, a dustproof film 410, a dustproof fan 411, an air inlet 412, a baffle 413, a heat conduction pipe 414 and a heat conduction pipe 415; the driving bin 41 is fixedly connected to the control assembly 7; the driving pump 42 is fixedly connected with the driving bin 41; the four heat dissipation pipes 43 are communicated with the driving bin 41 and fixedly connected to the power distribution bin 11; the return pipe 44 is fixedly connected to the radiating pipe 43; the backflow bin 45 is arranged in the control assembly 7; the collection bin 46 is arranged in the secondary heat dissipation system 5; the calandria 47 connects the collection chamber 46 and the return chamber 45; four distributing pipes 48 are connected with the collecting bin 46; the four exhaust bins 49 are fixedly connected to the upper part of the heat dissipation bin 3; the dustproof film 410 is arranged at the upper part of the exhaust bin 49; the dust-proof fans 411 are rotatably connected to the dust-proof bin; the air inlet 412 is arranged on the side wall of the heat dissipation bin 3; the baffle 413 is rotatably connected to the air inlet 412; the heat conducting pipe 414 is communicated with the air inlet 412 and the exhaust bin 49; the heat transfer pipe 415 is wound around the heat transfer pipe 414; the heat transfer pipe 415 communicates the heat transfer pipe 415 with the distribution pipe 48.

The heat conduction pipe 414, the heat conduction pipe 415, the distribution pipe 48, the heat dissipation pipe 43, and the return pipe 44 are all made of copper.

A temperature sensor is arranged in the collecting pipe; a central microprocessor is arranged in the control assembly 7.

The secondary cooling system 5 comprises an evaporation bin 51, a water storage bin 52, a water accumulating tank 53, a water accumulating inclined surface 54, a drainage tube 55, a drainage port 56, a steering motor 57, a steering flange 58, a connecting column 59, a sealing plate 510, a siphon 511, cooling fins 512 and an air overflow port 513; the evaporation bin 51 is fixedly connected to the upper part of the heat dissipation bin 3; the water storage bin 52 is fixedly connected with the evaporation bin 51; the water accumulation groove 53 is arranged at the upper part of the heat dissipation bin 3; the accumulated water inclined plane 54 is arranged at the upper part of the evaporation bin 51; thirty-two drainage tubes 55 are communicated with the water collecting tank 53 and the water storage bin 52; the drainage port 56 is arranged at the tail end of the drainage tube 55; the steering motor 57 is fixedly connected to the lower part of the collecting bin 46; the steering flange 58 is rotatably connected to the steering motor 57; two of the connecting columns 59 are fixedly connected to the steering flange 58; the sealing plate 510 is fixedly connected to the connecting column 59 and is slidably connected to the upper panel of the water storage bin 52; fourteen siphon tubes 511 are fixedly connected to the water storage bin 52; the heat dissipation fins 512 are fixedly connected to the evaporation bin 51; the overflow port 513 is arranged at the upper part of the evaporation bin 51; the lower part of the siphon 511 is arranged at the lower part of the water storage bin 52; the overflow valve is communicated with the water storage bin 52 and the evaporation bin 51; a torsion spring is arranged on the steering flange 58.

The return pipe 44, the radiating pipe 43 and the heat transfer pipe 415 are filled with the cooling liquid.

6. The power equipment high temperature early warning device 6 according to claim 1, characterized in that: the early warning device 6 comprises an alarm box 61, a red indicator lamp 62 and a green indicator lamp 63; the alarm box 61 is fixedly connected to the side of the power distribution cabinet body 1; the red indicator light 62 is fixedly connected to the alarm box 61; the green indicator light 63 is fixedly connected to the alarm box 61; a buzzer is arranged in the alarm box 61; the alarm box 61 is controlled by a central microprocessor. .

The specific working process is as follows:

in the using process, the cooling liquid flows from the driving bin 41 to the heat dissipation pipe 43 under the driving of the driving pump 42, the electric power equipment generates a large amount of heat in the working process, the temperature in the power distribution bin 11 rises, when the cooling liquid passes through the power distribution bin 11, the heat is transferred to the cooling liquid through the heat dissipation pipe 43, the cooling liquid carries the heat to flow into the return pipe 44, the further heated cooling liquid enters the return bin 45, the flow of the plurality of return pipes 44 is collected and further enters the collecting bin 46 through the discharge pipe 47, because the cross section area of the collecting bin 46 is large, the flow rate of the cooling liquid in the collecting bin 46 is reduced, when the cooling liquid passes through the secondary cooling system 5, the water in the secondary cooling system 5 carries out first concentrated heat dissipation, and then enters the heat transfer pipe 415 through the dispersion pipe, the heat is transferred to the heat transfer pipe 414 through the heat transfer pipe 415, and at the same time, the dust-proof fan 411 starts to rotate, air flows through the heat conduction pipe 414, heat is discharged through the air discharging bin 49, the obtained cooled cooling liquid returns to the driving bin 41 again for the next round of circulation, in the continuous circulation process, the heat in the power distribution bin 11 is continuously discharged, and the temperature is gradually reduced; the traditional air cooling is replaced by cooling liquid circulation refrigeration, so that the heat dissipation efficiency is improved, meanwhile, the noise generated in the cooling liquid circulation process is smaller, the noise pollution is reduced, and the working environment is protected; compared with the traditional air-cooled power distribution cabinet, the power distribution cabinet 11 is relatively closed, and direct air convection and exchange with the outside cannot be carried out in the cooling and heat dissipation process, so that the influence of the outside temperature on the temperature of the power distribution cabinet 11 is limited when cooling liquid does not carry out circulating heat dissipation, the power distribution cabinet can be suitable for various outdoor scenes, and has high applicability and practicability and strong anti-interference capability; meanwhile, the heat dissipation bin 3 is separated from the power distribution bin 11, the sealing performance of the power distribution bin 11 can reduce the possibility that moisture and dust enter the power distribution bin 11 in the environment, and therefore the power equipment in the power distribution bin 11 is prevented from generating static electricity, absorbing the dust and causing static breakdown, a fire disaster is caused, and the safety of the equipment is improved.

The collecting pipe senses the temperature generated by the power equipment in real time, and sends a signal to the central microprocessor when the temperature is higher, and the central microprocessor starts the primary heat dissipation system 4 and starts water cooling circulation; when the temperature of the primary cooling system 4 continuously rises after being started, the central microprocessor starts the secondary cooling system 5 and sends a signal to the early warning device 6; when the temperature of the external environment is relatively high, the central processing unit stops heat dissipation temporarily so as to reduce the temperature interference of the external environment.

When the temperature in the power distribution cabinet is within a safety range, the green indicator lamp 63 is on; when the temperature in the power distribution cabinet exceeds the safety range, the red indicator lamp 62 is on, and the buzzer sounds.

If the power distribution cabinet is installed indoors, the water storage bin 52 needs to be filled with water before use, and if the power distribution cabinet is installed outdoors, rainwater can enter the water accumulation groove 53 through the water accumulation inclined plane 54 in rainy days; then enters the water storage bin 52 through the drainage tube 55, when the primary heat dissipation system 4 is started, the water in the water storage bin 52 cooperates with the heat conduction tube 414 to perform primary centralized heat dissipation on the cooling liquid in the collection bin 46, if the temperature in the power distribution bin 11 does not drop significantly or continuously rises to reach the designated warning value of the temperature sensor, the central non-processor starts the secondary heat dissipation system 5, the steering motor 57 drives the steering flange 58 to rotate, further drives the sealing plate 510 to slide towards both sides, further the sealing plate 510 seals the drainage port 56, the water storage bin 52 is sealed, under the operation of the primary heat dissipation system 4, the water in the water storage bin 52 continuously absorbs the heat from the cooling liquid in the collection bin 46, the temperature gradually rises, part of the water becomes water vapor and collects at the upper part of the water storage bin 52, and the air pressure in the water storage bin 52 increases along with the continuous increase of the amount of the water vapor at the upper part of the, the water in the water storage bin 52 enters the evaporation bin 51 from the lower part of the water storage bin 52 through the siphon 511 and contacts with the heat dissipation fins 512, the water is heated and evaporated on the heat dissipation fins 512 to take away a large amount of heat, the temperature of the cooling liquid in the collection bin 46 is reduced, the temperature in the power distribution bin 11 is reduced, the temperature sensor sends a signal to the central microprocessor, the central microprocessor closes the steering motor 57, the steering flange 58 rotates and resets under the action of the torsion spring, the sealing plate 510 moves towards the middle, the drainage hole is opened, the water vapor is released, the air pressure in the water storage bin 52 is reduced, and the residual water in the evaporation bin 51 flows back to the water storage bin 52 for storage; the secondary heat dissipation device is used as an emergency heat dissipation device, and can take away a large amount of heat in a short time by utilizing the principle of phase change refrigeration through evaporation of moisture, so that the temperature in the power distribution bin 11 is not more than an alarm value, and the safety of equipment is protected; the secondary cooling system 5 is intelligent and automatically operates when the temperature exceeds a specified value, and when the primary cooling system 4 and the secondary cooling system 5 work simultaneously, the rotation of the dustproof fan can form a negative pressure air area above the evaporation bin 51, so that the evaporation of water in the evaporation bin 51 can be accelerated, and the cooling efficiency is improved; in the open air, the water in the water storage bin 52 can be automatically supplied through raining, so that the adaptability is strong, and the manual maintenance is reduced.

While there have been shown and described what are at present considered the fundamental principles of the invention and its essential features and advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative examples, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Moreover, it should be understood that although the present description is described in real-time, not every real-time embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments in each real-time embodiment may be combined as appropriate to form other real-time embodiments understood by those skilled in the art.

Claims

1. A high-temperature early warning device for power equipment comprises a power distribution cabinet body (1), a power distribution bin (11) arranged on the power distribution cabinet body (1), a bin cover (12) rotatably connected to the power distribution cabinet body (1), a power facility (2) fixedly connected to the power distribution bin (11), a heat dissipation bin (3) arranged on the upper portion of the power distribution bin (11), a primary heat dissipation system (4) arranged on the heat dissipation bin (3), a secondary heat dissipation system (5) connected with the primary heat dissipation system (4), an early warning device (6) fixedly connected to the power distribution cabinet and a control assembly (7) fixedly connected to the heat dissipation bin (3); the method is characterized in that: one-level cooling system (4) including fixed connection in actuating chamber (41), fixed connection of control assembly (7) with actuating pump (42), the intercommunication of actuating chamber (41) and fixed connection in a plurality of cooling tubes (43), fixed connection in cooling tube (43) return pipe (44), locate the backward flow storehouse (45) of control assembly (7), locate the set storehouse (46) of second grade cooling system (5), connect set storehouse (46) with calandria (47), the connection in backward flow storehouse (45) a plurality of distributing pipes (48), fixed connection in a plurality of exhaust bins (49) on radiating chamber (3) upper portion, locate the dust proof membrane (410), rotatable connection in a plurality of dust proof fans (411) in dust proof storehouse, The heat dissipation device comprises an air inlet (412) arranged on the side wall of the heat dissipation bin (3), a flow baffle (413) rotatably connected to the air inlet (412), a heat conduction pipe (414) communicated with the air inlet (412) and the exhaust bin (49), and a heat transfer pipe (415) wound and sleeved on the heat conduction pipe (414); the heat transfer pipe (415) communicates the heat transfer pipe (415) with the distribution pipe (48).

2. The power equipment high temperature early warning device (6) according to claim 1, characterized in that: the heat conduction pipe (414), the heat conduction pipe (415), the distribution pipe (48), the radiating pipe (43) and the return pipe (44) are all made of copper.

3. The power equipment high temperature early warning device (6) according to claim 1, characterized in that: a temperature sensor is arranged in the collecting pipe; a central microprocessor is arranged in the control assembly (7).

4. The power equipment high temperature early warning device (6) according to claim 1, characterized in that: the second-stage heat dissipation system (5) comprises an evaporation bin (51) fixedly connected to the upper portion of the heat dissipation bin (3), a water storage bin (52) fixedly connected to the evaporation bin (51), a water accumulation groove (53) arranged on the upper portion of the heat dissipation bin (3), a water accumulation inclined plane (54) arranged on the upper portion of the evaporation bin (51), a communication channel, the water accumulation groove (53) and a plurality of drainage tubes (55) of the water storage bin (52), a drainage port (56) arranged at the tail end of the drainage tube (55), a steering motor (57) fixedly connected to the lower portion of the collection bin (46), a steering flange (58) rotatably connected to the steering motor (57), a plurality of connecting columns (59) fixedly connected to the steering flange (58), a connecting column (59) and a sealing plate (510) slidably connected to the upper panel of the water storage bin (52), A plurality of siphons (511) fixedly connected with the water storage bin (52), heat dissipation fins (512) fixedly connected with the evaporation bin (51) and an air overflow port (513) arranged at the upper part of the evaporation bin (51); the lower part of the siphon (511) is arranged at the lower part of the water storage bin (52); the overflow valve is communicated with the water storage bin (52) and the evaporation bin (51); and a torsion spring is arranged on the steering flange (58).

5. The power equipment high temperature early warning device (6) according to claim 1, characterized in that: the return pipe (44), the radiating pipe (43) and the heat transfer pipe (415) are filled with cooling liquid.

6. The power equipment high temperature early warning device (6) according to claim 1, characterized in that: the early warning device (6) comprises an alarm box (61) fixedly connected to the side edge of the power distribution cabinet body (1), a red indicator lamp (62) fixedly connected to the alarm box (61) and a green indicator lamp (63) fixedly connected to the alarm box (61); a buzzer is arranged in the alarm box (61); the alarm box (61) is controlled by a central microprocessor.