Assembled heat dissipation type high-low voltage complete switch cabinet

Abstract

The utility model relates to the technical field of high-low voltage complete switch cabinets, and discloses an assembled heat dissipation type high-low voltage complete switch cabinet, which comprises a cabinet body, the cabinet body comprises a metal back plate, the metal back plate is detachably connected with the cabinet body, a control box is clamped on the inner wall of the metal back plate, and a plurality of controllers are fixedly clamped on the metal back plate below the control box. The outer wall of the metal backboard is fixedly connected with the heat dissipation box, the heat conduction capability of a metal material is high, high temperature in the cabinet body can be conducted into the heat dissipation box through temperature difference, and cooling oil can be atomized and sprayed on the metal backboard to absorb heat through the oil storage tank and the oil pump in the heat dissipation box. An electric push cylinder in the heat dissipation box is used for driving a special-shaped scraper plate to scrape residual cooling oil on the surface of the metal back plate to a flow collecting groove, then the residual cooling oil flows into the oil storage box, the oil pump continuously and circularly works to cool and dissipate heat of the cabinet body, and the air cooling box is used for dissipating absorbed heat of the cooling oil in the oil storage box to the air by using an air cooling machine and heat dissipation fins.

Description

Technical Field

[0001] This utility model relates to the technical field of high and low voltage switchgear, specifically to an assembled heat dissipation type high and low voltage switchgear. Background Technology

[0002] High and low voltage switchgear is a special equipment used for power transmission, transformation, distribution and control. It consists of receiving cabinets, capacitor compensation cabinets, distribution cabinets, power switch cabinets, etc. It is very safe to operate and has the advantages of convenient maintenance, reliable equipment operation, complete main circuit scheme, and can meet the needs of various power supply and distribution systems.

[0003] A search revealed an assembled high and low voltage switchgear with publication number CN214379512U. The switchgear generally includes a housing, a mounting frame, a heat dissipation assembly, a swing assembly, a dehumidification assembly, a cable clamping assembly, and an opening / closing assembly. The housing has multiple matrix-distributed support legs at its bottom, with two conductive rods between each leg. The mounting frame is inserted into the inner wall of the housing, and the cable clamping assembly is fixedly connected to the mounting frame. The heat dissipation assembly is slidably disposed within the housing and located above the mounting frame. The swing assembly is disposed on the outer wall of the housing, with its output end extending into the housing and connecting to the heat dissipation assembly. The opening / closing assembly is disposed on one side wall of the housing, and the dehumidification assembly is disposed on the other side wall. This invention prevents accidents caused by excessively high temperatures inside the housing and also prevents dust and moisture from entering the device and affecting its lifespan.

[0004] Although the above-mentioned technical solution can dissipate some heat from the cabinet through the exhaust fan in the heat dissipation component, the heat dissipation effect is low when the cabinet is running for a long time, which makes the cabinet prone to high temperature damage. In addition, there are some precision electronic components inside the cabinet, and dust and other particles can easily be blown into them by the wind, causing the electronic components to fail. Utility Model Content

[0005] The purpose of this utility model is to provide an assembled heat dissipation type high and low voltage switchgear, which solves the problem that the heat dissipation effect is low when the cabinet is running for a long time, making the cabinet prone to high temperature damage. In addition, some precision electronic components are located inside the cabinet, and dust and other particles are easily blown into them by wind, causing the electronic components to fail.

[0006] This utility model provides the following technical solution: an assembled heat dissipation type high and low voltage switch cabinet, including a cabinet body, the cabinet body including a metal back plate, and the metal back plate being detachably connected to the cabinet body, a control box being snapped into the inner wall of the metal back plate, multiple controllers being fixedly snapped into the metal back plate below the control box, and a heat dissipation box being fixedly connected to the outer wall of the metal back plate.

[0007] The above solution, with its detachable cabinet and metal back panel, facilitates the installation of electrical switches and avoids the problem of low installation efficiency in confined spaces. The controller can connect to various electrical appliances, providing power for their operation.

[0008] As a preferred embodiment of the above technical solution, the heat dissipation box includes a top plate, an oil storage plate is fixedly connected to the top of the top plate, and the oil storage plate is hollow. A spray seat is provided on the outer wall of the oil storage plate, and an atomizing nozzle is provided on the outer wall of the spray seat in a ring shape. An oil tank is fixedly connected to the inner side wall of the heat dissipation box, and an oil pump is provided at the bottom of the oil tank. An oil pipe is sleeved on the output end of the oil pump.

[0009] Using the above scheme, the oil pump in the heat sink pressurizes the cooling oil through an oil pipe and then through a booster pump. The oil is then sprayed onto the metal back plate through a spray nozzle and atomizing nozzle on the outer wall of the oil plate. Since the other end of the metal back plate is located inside the cabinet, when heat is generated inside the cabinet, it will be conducted to one end of the heat sink through the temperature difference, and then absorbed by the atomized cooling oil to achieve the heat dissipation effect. The cooling oil mentioned above is existing technology and has insulation and good heat transfer performance, so it will not be described in detail.

[0010] As a preferred embodiment of the above technical solution, a booster pump is fixedly connected to the inner wall of the heat sink above the oil pump, and the oil pipe is connected to the input end of the booster pump. A high-pressure pipe is sleeved on the output end of the booster pump, and the high-pressure pipe is connected to the oil reservoir plate.

[0011] By adopting the above solution, the cooling oil can be pressurized by setting up a booster pump, so that the sprayed cooling oil has a stronger impact force. The high-pressure pipe fixedly connected to the output end of the booster pump can withstand greater pressure, which can support the cooling oil to be sprayed onto the metal back plate through the nozzle on the outer wall of the oil reservoir plate, thereby dissipating heat and cooling the cabinet.

[0012] As a preferred embodiment of the above technical solution, the heat dissipation box further includes an air-cooled box, which is located below the oil storage tank. Ventilation holes are provided on both sides of the air-cooled box, and an air cooler is installed at the top of the air-cooled box. Heat dissipation fins are fixedly connected to the top of the air-cooled box on the side of the air cooler's air outlet.

[0013] By adopting the above solution, the air-cooled box installed below the oil tank can cool the high-temperature cooling oil in the oil tank through the air cooler and heat dissipation fins, and release the heat to the environment through the ventilation holes. Since the oil tank and the air-cooled box share the same base plate, and the base plate is made of metal with good thermal conductivity, the heat in the oil tank can be better conducted out.

[0014] As a preferred embodiment of the above technical solution, an electric pusher cylinder is fixedly connected to the inner wall of the heat dissipation box, and a shaped scraper is sleeved on the output end of the electric pusher cylinder, with the outer wall of the shaped scraper abutting against the metal back plate.

[0015] By adopting the above scheme, and by setting up an electric pusher cylinder and a special-shaped scraper sleeved at the output end of the electric pusher cylinder, the electric pusher cylinder can drive the special-shaped scraper to scrape the sprayed coolant into the oil tank. This ensures the smoothness of the metal back plate surface, preventing adhesion and affecting the heat conduction of the metal back plate, and also quickly scrapes the coolant off the metal back plate, preventing heat from accumulating on the metal back plate, thus further improving the cabinet's heat dissipation efficiency. It should be noted that the electric pusher cylinder and oil pump operate asynchronously, both of which are externally powered and interconnected using intelligent devices. This function is existing technology and will not be elaborated further.

[0016] As a preferred embodiment of the above technical solution, an exhaust vent is provided at the top of the heat dissipation box.

[0017] The above solution has an exhaust vent at the top of the heat sink. The exhaust vent can release the coolant that evaporates due to high temperature into the air, preventing it from condensing and accumulating at the top. Furthermore, the high heat of the cabinet can be dissipated through evaporation.

[0018] As a preferred embodiment of the above technical solution, a guide plate is provided at the top of the oil tank, and the top of the guide plate is inclined. A collection groove is provided at the top of the oil tank, and the collection groove is located on the inclined side of the guide plate.

[0019] Using the above solution, the sprayed cooling oil can flow smoothly into the oil tank through the inclined guide plate at the top of the oil tank. The cooling oil that is scraped off the metal back plate by the irregular scraper can drip into the oil tank through the collection channel. The oil pump inside the tank will circulate the oil and continuously dissipate heat for the cabinet.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: the heat dissipation box and the cabinet share a single metal back plate, which does not occupy the internal space of the cabinet when assembling internal components. Furthermore, since the two boxes are set up separately, static electricity will not be generated inside the cabinet due to heat dissipation, providing excellent protection for the electrical components inside the cabinet. The metal material has strong thermal conductivity, and the temperature difference can conduct the high temperature inside the cabinet to the heat dissipation box. Then, through the oil tank and oil pump inside the heat dissipation box, the cooling oil is atomized and sprayed onto the metal back plate to absorb the heat. The electric push cylinder inside the heat dissipation box drives the shaped scraper to scrape the residual cooling oil on the surface of the metal back plate into the collection groove, flowing into the oil tank. The oil pump continuously circulates the oil, thereby cooling the cabinet. The air-cooled box uses an air cooler and heat dissipation fins to dissipate the absorbed heat into the air. The above solution not only ensures the heat dissipation effect inside the cabinet but also provides excellent protection for the electrical components inside the cabinet, greatly improving the service life of the cabinet. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of an assembled heat-dissipating high and low voltage switchgear.

[0022] Figure 2 This is a schematic diagram of the internal structure of an assembled heat-dissipating high and low voltage switchgear.

[0023] Figure 3 This is a schematic diagram of the heat dissipation box structure of an assembled heat dissipation type high and low voltage switchgear;

[0024] Figure 4 This is a schematic diagram of the internal structure of the heat dissipation box of an assembled heat dissipation type high and low voltage switchgear;

[0025] Figure 5 for Figure 4 A magnified structural diagram at point A;

[0026] Figure 6 This is a schematic diagram of the air-cooled box structure of an assembled heat-dissipating high and low voltage switchgear.

[0027] In the diagram: 1. Cabinet; 101. Metal back panel; 102. Control box; 103. Controller; 2. Heat sink; 201. Top plate; 202. Oil reservoir plate; 203. Spray holder; 204. Atomizing nozzle; 205. Oil tank; 206. Oil pump; 207. Oil pipe; 208. Booster pump; 209. High pressure pipe; 210. Electric actuator cylinder; 211. Irregular scraper; 212. Exhaust port; 213. Guide plate; 214. Collection slot; 3. Air-cooled box; 301. Ventilation hole; 302. Air cooler; 303. Heat sink fins. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0029] like Figure 1 and Figure 2 As shown, this utility model provides a technical solution: an assembled heat-dissipating high and low voltage switchgear, including a cabinet 1, a metal back plate 101, and the metal back plate 101 is detachably connected to the cabinet 1. A control box 102 is snapped onto the inner wall of the metal back plate 101, and multiple controllers 103 are fixedly snapped onto the metal back plate 101 below the control box 102. A heat dissipation box 2 is fixedly connected to the outer wall of the metal back plate 101. The detachable arrangement of the cabinet 1 and the metal back plate 101 facilitates the installation of electrical switches and avoids the problem of low installation efficiency in a confined space. Various electrical appliances can be connected through the controllers 103 to provide power for the operation of the electrical appliances.

[0030] like Figure 3 and Figure 4 As shown, the heat sink 2 includes a top plate 201, with an oil reservoir 202 fixedly connected to the top of the top plate 201. The oil reservoir 202 is hollow, and a spray nozzle 203 is provided on the outer wall of the oil reservoir 202. An atomizing nozzle 204 is provided on the outer wall of the spray nozzle 203. An oil tank 205 is fixedly connected to the inner side wall of the heat sink 2. An oil pump 206 is provided at the bottom of the oil tank 205. An oil pipe 207 is sleeved at the output end of the oil pump 206. The oil pump 206 in the heat sink 2 pressurizes the cooling oil through the oil pipe 207. Pump 208 pressurizes the oil, which is then atomized and sprayed onto the metal back plate 101 through the hollow oil storage plate 202, using the spray nozzle 203 and atomizing nozzle 204 on the outer wall of the oil storage plate 202. Since the other end of the metal back plate 101 is located inside the cabinet 1, when heat is generated inside the cabinet 1, it will be conducted to one end of the heat dissipation box 2 through temperature difference, and then the heat will be absorbed by the atomized cooling oil to achieve the heat dissipation effect. The aforementioned cooling oil is existing technology and has insulation and good heat transfer performance, so it will not be described in detail.

[0031] like Figure 4As shown, a booster pump 208 is fixedly connected to the inner wall of the heat sink 2 above the oil pump 206, and an oil pipe 207 is connected to the input end of the booster pump 208. A high-pressure pipe 209 is sleeved on the output end of the booster pump 208, and the high-pressure pipe 209 is connected to the oil reservoir plate 202. By setting the booster pump 208, the cooling oil can be pressurized, so that the sprayed cooling oil has a stronger impact force. The high-pressure pipe 209 fixedly sleeved on the output end of the booster pump 208 can withstand a large pressure, which can support the cooling oil to be sprayed onto the metal back plate 101 through the spray seat 203 and atomizing nozzle 204 on the outer wall of the oil reservoir plate 202, so as to dissipate heat and cool the cabinet 1. The heat sink 2 also includes an air-cooled box 3. The air-cooled box 3 is located below the oil storage tank 205. Ventilation holes 301 are provided on both sides of the air-cooled box 3. An air cooler 302 is installed at the top of the air-cooled box 3. A heat dissipation fin 303 is fixedly connected to the top of the air-cooled box 3 on the side of the air outlet of the air cooler 302. By using the air-cooled box 3 located below the oil storage tank 205, the high-temperature cooling oil in the oil storage tank 205 can be cooled by air cooling through the air cooler 302 and the heat dissipation fin 303. The heat is released to the environment through the ventilation holes 301. Since the oil storage tank 205 and the air-cooled box 3 share the same base plate, and the base plate is made of a metal material with good thermal conductivity, the heat in the oil storage tank 205 can be better conducted out.

[0032] like Figure 5 As shown, an electric pusher cylinder 210 is fixedly connected to the inner wall of the heat dissipation box 2. A shaped scraper 211 is sleeved on the output end of the electric pusher cylinder 210, and the outer wall of the shaped scraper 211 abuts against the metal back plate 101. By setting the electric pusher cylinder 210 and the shaped scraper 211 sleeved on the output end of the electric pusher cylinder 210, the electric pusher cylinder 210 can drive the shaped scraper 211 to scrape the sprayed coolant into the oil tank 205. This ensures that the surface of the metal back plate is smooth and does not stick, thus affecting the heat conduction of the metal back plate 101. It also quickly scrapes the coolant off the metal back plate 101, so that heat does not remain on the metal back plate 101, further improving the heat dissipation efficiency of the cabinet 1. It should be noted that the electric pusher cylinder 210 and the oil pump 206 operate asynchronously. Both are externally powered and interconnected using intelligent devices. This function is existing technology and will not be described in detail.

[0033] like Figure 4As shown, the top of the heat sink 2 has an exhaust port 212. The exhaust port 212 can release the coolant that evaporates due to excessive temperature into the air, preventing condensation and accumulation at the top. It can also dissipate the high heat of the cabinet through evaporation. The top of the oil tank 205 is provided with a guide plate 213, and the top of the guide plate 213 is inclined. The top of the oil tank 205 has a collection groove 214, which is located on the inclined side of the guide plate 213. Through the inclined guide plate 213, the sprayed coolant can flow smoothly into the oil tank 205. Through the collection groove 214, the coolant scraped off by the shaped scraper 211 from the metal back plate 101 can drip into the oil tank 205. The oil pump 206 inside the tank 205 circulates the coolant, continuously cooling the cabinet 1.

[0034] Working principle: When heat dissipation is required, the oil pump 206 in the oil reservoir 205 is activated. The oil pump 206 draws in cooling oil, which is then pressurized by the booster pump 208. The cooling oil is further atomized and sprayed onto the metal back plate 101 through the spray seat 203 and atomizing nozzle 204 on the outer wall of the oil reservoir 202. Since the other end of the metal back plate 101 is the cabinet 1, and the metal material has strong thermal conductivity, the heat can be transferred to the cooling oil after spraying. Some of the oil drips onto the guide plate 213 by its own gravity, and then flows into the oil reservoir 205 through the collection channel 214. The other part is pushed longitudinally by the irregular scraper 211 sleeved at the output end of the electric push cylinder 210, which pushes the cooling oil on the metal back plate 101. The oil is scraped into the collection channel 214 and then flows into the oil storage tank 205. Through circulation, the heat inside the cabinet 1 can be dissipated. Furthermore, since an air-cooled box 3 is installed below the oil storage tank 205, and the bottom plate of the oil storage tank 205 is also made of metal with good thermal conductivity, the air cooler 302 and heat dissipation fins 303 installed in the air-cooled box 3 can dissipate the cooling oil circulating in the oil storage tank 205 through air cooling. The heat can be dissipated into the air through the ventilation holes 301 opened at both ends of the air-cooled box 3. Since the cabinet 1 and the box are set separately, static electricity will not be generated inside the cabinet 1 due to heat dissipation. This provides good protection for the electrical components inside the cabinet 1 and improves the service life of the cabinet 1.

[0035] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. An assembled heat-dissipating high and low voltage switchgear, comprising a cabinet (1), characterized in that: The cabinet (1) includes a metal back panel (101), and the metal back panel (101) is detachably connected to the cabinet (1). A control box (102) is snapped onto the inner wall of the metal back panel (101). Multiple controllers (103) are fixedly snapped onto the metal back panel (101) below the control box (102). A heat dissipation box (2) is fixedly connected to the outer wall of the metal back panel (101). The heat dissipation box (2) includes a top plate (201), an oil storage plate (202) is fixedly connected to the top of the top plate (201), and the oil storage plate (202) is hollow. A spray seat (203) is provided on the outer wall of the oil storage plate (202), and an atomizing nozzle (204) is provided on the outer wall of the spray seat (203). An oil tank (205) is fixedly connected to the inner side wall of the heat dissipation box (2), and an oil pump (206) is provided at the bottom of the oil tank (205). An oil pipe (207) is sleeved at the output end of the oil pump (206). The inner wall of the heat sink (2) is fixedly connected to a booster pump (208) above the oil pump (206), and the oil pipe (207) is connected to the input end of the booster pump (208). The output end of the booster pump (208) is fitted with a high-pressure pipe (209), and the high-pressure pipe (209) is connected to the oil reservoir plate (202). The heat dissipation box (2) also includes an air-cooled box (3), and the air-cooled box (3) is located below the oil storage tank (205). Ventilation holes (301) are provided on both sides of the air-cooled box (3), and an air cooler (302) is provided at the top inside the air-cooled box (3). Heat dissipation fins (303) are fixedly connected to the top inside the air-cooled box (3) on the side of the air outlet of the air cooler (302).

2. The assembled heat-dissipating high and low voltage switchgear according to claim 1, characterized in that: An electric push cylinder (210) is fixedly connected to the inner wall of the heat sink (2). A shaped scraper (211) is sleeved on the output end of the electric push cylinder (210), and the outer wall of the shaped scraper (211) abuts against the metal back plate (101).

3. The assembled heat-dissipating high and low voltage switchgear according to claim 1, characterized in that: The heat sink (2) has an exhaust hole (212) at the top.

4. The assembled heat-dissipating high and low voltage switchgear according to claim 1, characterized in that: The top of the oil tank (205) is provided with a guide plate (213), and the top of the guide plate (213) is inclined. The top of the oil tank (205) is provided with a collection groove (214), and the collection groove (214) is located on the inclined side of the guide plate (213).

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