CN112186593A

CN112186593A - Intelligent self-cooling system of power cabinet for electrical fire hazard prevention

Info

Publication number: CN112186593A
Application number: CN202011079968.XA
Authority: CN
Inventors: 王步军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-01-05

Abstract

The invention discloses an intelligent electric fire prevention power cabinet self-cooling system which comprises a cabinet body and a heat insulation layer laid on the ground, wherein a liquid storage cavity is clamped on the part of the ground positioned below the cabinet body, a storage space is formed in the cabinet body, a driving space is formed below the storage space of the cabinet body, power equipment is connected in the storage space, a sleeve is fixedly connected to the part of the driving space positioned below the power equipment, a piston is connected in the sleeve in a sealing and sliding mode, the bottom of the piston is fixedly connected with a spring, a water inlet channel is formed in the bottom of the sleeve, and the other end of the water inlet channel is communicated with the liquid storage cavity through a water inlet pipe. Has the advantages that: through blocking of the heat insulation layer, water in the liquid storage cavity is always kept at a lower temperature through the characteristic of stronger ground heat dissipation energy, so that heat exchange of the water at two ends is facilitated, good heat dissipation of the electric power cabinet is achieved, and an electrical fire is avoided.

Description

Intelligent self-cooling system of power cabinet for electrical fire hazard prevention

Technical Field

The invention relates to the technical field of intelligent electrical fire prevention, in particular to a self-cooling system of an intelligent electrical fire prevention power cabinet.

Background

Electrical fires generally refer to thermal energy released by electrical lines, consumers, appliances and distribution equipment in the event of a fault: energy released such as high temperature, arcing, electrical sparks, and non-failure; such as the hot surface of an electric heating appliance, a fire caused by igniting the body or other combustible materials under combustion conditions, and also fires caused by lightning and static electricity.

In the prior art, most of electrical fires occur in hot summer, and because the electrical equipment is poor in heat dissipation, a large amount of heat energy is accumulated, so that the temperature in an electrical cabinet in a closed environment is high, and the fire is caused

Disclosure of Invention

The invention aims to solve the problem that in the prior art, the self-heat-dissipation capacity of an electric power cabinet is poor, and provides an intelligent electric fire prevention electric power cabinet self-heat-dissipation system.

In order to achieve the purpose, the invention adopts the following technical scheme: an intelligent electric power cabinet self-cooling system for fire prevention comprises a cabinet body and a heat insulation layer laid on the ground, wherein a liquid storage cavity is clamped on the part of the ground below the cabinet body, a storage space is formed in the cabinet body, a driving space is formed below the cabinet body, power equipment is connected in the storage space, a part of the driving space below the power equipment is fixedly connected with a sleeve, a piston is connected in the sleeve in a sealing and sliding manner, the bottom of the piston is fixedly connected with a spring, a water inlet channel is formed in the bottom of the sleeve, and the other end of the water inlet channel is communicated with the liquid storage cavity through a water inlet pipe;

the two side walls of the driving space are fixedly connected with supporting rods together, the two sides of the supporting rods, which are located in the driving space, are fixedly connected with one blade respectively, the parts, close to the two blades, of the liquid storage cavities are provided with two connecting ports in a penetrating mode, and the storage space and the driving space are provided with two air exchange ports respectively and jointly.

In the above-mentioned electric power cabinet is from cooling system for fire prevention of intelligence electricity, the mid portion fixedly connected with gear of branch, the gear meshing has the rack, the sleeve is close to one side of rack and is seted up the spout that matches T type structure with the rack size, piston and rack respectively fixedly connected with two permanent magnets.

In the above-mentioned electric power cabinet is from cooling system for electrical fire hazard of intelligence, set up the circulation channel in the piston and the inner wall fixedly connected with check valve of circulation channel, the top of the cabinet body is seted up the through-hole and the inner wall sealing connection of through-hole has the radiating film, the spring adopts memory metal material, the part that ground lies in between liquid storage chamber and the cabinet body is equipped with the insulating layer.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, the driving space is arranged to transfer heat generated by electrical equipment in the electric power cabinet to the interior of the sleeve, the temperature of the piston and the spring in the sleeve rises in the heat transfer process, the spring is made of a memory metal material and can be restored to deform when being heated, and the spring is arranged in a heating and stretching state in the invention, so that the spring can drive the piston to move upwards, and a water inlet pipe communicated with a water inlet channel below is pumped out of the water storage cavity to enter the interior of the sleeve;

2. in the invention, water pumped from the water storage cavity enters the sleeve, and the water inlet pipe and the water inlet channel are smaller, and the flow guide layer is arranged in the water inlet channel, so that the water has the characteristics of guiding upward flow and blocking downward flow, part of the water entering the sleeve stays in the sleeve for a part of time and simultaneously cools the spring, and the water comes from the water storage cavity below the heat insulation layer and has the characteristic of lower temperature, so that the temperature of the spring is quickly reduced to be lower than the self-metamorphosis temperature in the heat exchange process of the spring, the spring is recovered to an initial state and contracts, and the piston moves downwards at the moment and carries out pressure test on the water below the spring, so that the spring returns to the liquid storage cavity;

3. after the water leaves the sleeve, the spring is heated again in a very short time, the process is continued, so that part of the liquid water in the liquid storage cavity is pumped out, and the water returning to the liquid storage cavity in the previous process is quickly cooled to the underground water temperature, so that the pumped water in the next process still has a cooling effect, the spring is continuously cooled, and the process is repeated, and the spring can periodically drive the piston to move up and down;

4. according to the invention, the piston and the rack are attracted through the magnetism of the permanent magnet, so that the rack is driven to move simultaneously when the piston moves, the rack rotates in the meshing with the gear when moving, the supporting rod is driven to rotate synchronously, the blade outputs airflow to the driving space through the supporting rod, and airflow in different directions is output when the blade rotates in the forward direction and the reverse direction, thus the airflow velocity in the cabinet body is increased through the two ventilation ports, and the air in the cabinet body moves upwards and is discharged through the heat dissipation film through the output airflow, so that the airflow heat dissipation effect is realized.

5. Meanwhile, water in the liquid storage cavity continuously enters the sleeve to absorb heat and is radiated after flowing back to the liquid storage cavity, so that the periodic water cooling effect is realized, and the characteristic of stronger ground heat radiation energy is realized through blocking of the heat insulation layer, so that the water in the liquid storage cavity is always kept at a lower temperature, and the water is convenient to exchange heat at two ends.

Drawings

Fig. 1 is a schematic structural diagram of a self-cooling system of an intelligent electric fire prevention power cabinet according to the present invention;

fig. 2 is an enlarged schematic view of a portion a of an intelligent electric fire prevention power cabinet self-cooling system according to the present invention.

In the figure: the device comprises a cabinet body 1, a storage space 101, a driving space 102, an electric power device 2, a heat insulation layer 3, a liquid storage cavity 4, a sleeve 5, a piston 6, a spring 7, a water inlet pipe 8, a support rod 9, a gear 10, a blade 11, a connecting port 12, a ventilation port 13, a permanent magnet 14, a sliding groove 15, a rack 16 and a heat dissipation film 17.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-2, an intelligent electric power cabinet self-cooling system for electrical fire prevention comprises a cabinet body 1 and a heat insulation layer 2 laid on the ground, wherein a liquid storage cavity 4 is clamped on a part of the ground positioned below the cabinet body 1, a storage space 101 is arranged in the cabinet body 1, a driving space 102 is arranged below the storage space of the cabinet body 1, an electric power device 2 is connected in the storage space 101, a sleeve is fixedly connected to a part of the driving space 102 positioned below the electric power device 2, a piston 6 is hermetically and slidably connected in the sleeve 5, a spring 7 is fixedly connected to the bottom of the piston 6, a water inlet channel is arranged at the bottom of the sleeve 5, and the other end of the water inlet channel is communicated with the;

two side walls of the driving space 102 are fixedly connected with a supporting rod 9, two sides of the supporting rod 9, which are located in the driving space 102, are respectively and fixedly connected with one blade 11, two connecting ports 12 are formed in the portions, close to the two blades 11, of the liquid storage cavity 102, two air exchanging ports 13 are formed in the storage space 101 and the driving space 192 respectively and jointly, a gear 10 is fixedly connected with the middle portion of the supporting rod 9, the gear 10 is meshed with a rack 16, one side, close to the rack 16, of the sleeve 5 is provided with a sliding groove 15, the size of the sliding groove is matched with that of the rack 16, of the T-shaped structure.

Set up circulation channel and circulation channel's inner wall fixedly connected with check valve in the piston 6, the through-hole has been seted up at the top of the cabinet body 1 and the inner wall sealing connection of through-hole has the heat dissipation membrane 17, can allow gaseous entering to increase the gaseous heat exchange inside and outside the cabinet body 1, spring 7 adopts memory metal material, has the characteristics of thermal deformation, the part that ground is located between the stock solution chamber 4 and the cabinet body 1 is equipped with insulating layer 3, dispels the heat through the ground heat transfer effect, and the temperature degree of water in the assurance stock solution chamber 4 is lower.

In the invention, heat generated by electrical equipment in the power cabinet is transferred to the interior of the sleeve 5, the temperature of the piston 6 and the spring 7 in the sleeve 5 is increased in the heat transfer process, the spring 7 is made of memory metal material and can be restored to deform when being heated, in the present invention, the spring 7 is set to be in a thermally extended state, so that the spring 7 drives the piston 6 to move upwards, thereby the water inlet pipe 8 communicated with the water inlet channel at the lower part is pumped out part of the water from the water storage cavity 4 to enter the sleeve 5, the temperature of the water in the liquid storage cavity 4 is lower, the spring 7 can be cooled well, and the diversion layer arranged in the water inlet channel 8 reduces the downward flowing speed of water, so that enough time is provided for cooling the spring, after the spring 7 is cooled by heat exchange, the spring is recovered to the initial state and contracts, so that the piston moves downwards, and part of water is accelerated to return to the liquid storage cavity 4;

meanwhile, the spring 7 repeats the process after being heated continuously, so that the spring 7 drives the piston 6 to move in a periodic reciprocating manner, the piston 6 and the rack 16 are attracted through the magnetism of the permanent magnet 14, the rack 16 is driven to move simultaneously when the piston 6 moves, therefore, the rack 16 rotates in engagement with the gear 10 when moving, the supporting rod 9 is driven to rotate synchronously, the supporting rod 9 enables the blade 11 to output airflow to the driving space, and airflow in different directions is output when the blade 11 rotates in the forward and reverse directions, so that the airflow flow rate in the cabinet body 1 is increased through the two ventilation ports 13, and the air in the cabinet body 1 moves upwards and is discharged through the heat dissipation film 17 through the output airflow, and the airflow heat dissipation effect is realized.

Although the terms cabinet 1, storage space 101, drive space 102, electrical device 2, insulating layer 3, reservoir chamber 4, sleeve 5, piston 6, spring 7, inlet tube 8, strut 9, gear 10, blade 11, connection port 12, ventilation port 13, permanent magnet 14, slide slot 15, rack 16, heat dissipation membrane 17, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. An intelligent electric power cabinet self-cooling system for preventing fire disaster comprises a cabinet body (1) and a heat insulation layer (2) laid on the ground, it is characterized in that a liquid storage cavity (4) is clamped at the part of the ground positioned below the cabinet body (1), a storage space (101) is arranged in the cabinet body (1), a driving space (102) is arranged below the storage space of the cabinet body (1), the storage space (101) is connected with an electric device (2), the part of the driving space (102) below the electric device (2) is fixedly connected with a sleeve, a piston (6) is connected with the middle part of the sleeve (5) in a sealing and sliding way, a spring (7) is fixedly connected with the bottom of the piston (6), a water inlet channel is formed in the bottom of the sleeve (5), and the other end of the water inlet channel is communicated with the liquid storage cavity (4) through a water inlet pipe (8);

the two side walls of the driving space (102) are fixedly connected with a supporting rod (9) together, two sides of the supporting rod (9) located in the driving space (102) are fixedly connected with a blade (11) respectively, a part of the liquid storage cavity (102) close to the two blades (11) is provided with two connecting ports (12) in a penetrating mode, and the storage space (101) and the driving space (192) are provided with two air exchange ports (13) respectively and jointly.

2. The self-cooling system of the intelligent electric power cabinet for preventing fire hazard according to claim 1, wherein a gear (10) is fixedly connected to the middle portion of the supporting rod (9), the gear (10) is engaged with a rack (16), a sliding groove (15) with a T-shaped structure matched with the rack (16) in size is formed in one side, close to the rack (16), of the sleeve (5), and two permanent magnets (14) are respectively and fixedly connected to the piston (6) and the rack (16).

3. The self-cooling system of the intelligent electric power cabinet for preventing fire hazard according to claim 1, wherein a circulation channel is formed in the piston (6), a one-way valve is fixedly connected to the inner wall of the circulation channel, a through hole is formed in the top of the cabinet body (1), a heat-dissipating film (17) is hermetically connected to the inner wall of the through hole, the spring (7) is made of memory metal material, and a heat-insulating layer (3) is arranged on the ground between the liquid storage cavity (4) and the cabinet body (1).