CN219394173U - Low-voltage reactive compensation cabinet - Google Patents
Low-voltage reactive compensation cabinet Download PDFInfo
- Publication number
- CN219394173U CN219394173U CN202320366576.4U CN202320366576U CN219394173U CN 219394173 U CN219394173 U CN 219394173U CN 202320366576 U CN202320366576 U CN 202320366576U CN 219394173 U CN219394173 U CN 219394173U
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- water
- cabinet body
- air
- heat exchange
- cabinet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 238000001816 cooling Methods 0.000 claims abstract description 52
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 14
- 230000008021 deposition Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 14
- 230000017525 heat dissipation Effects 0.000 description 10
- 238000000151 deposition Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides a low-voltage reactive power compensation cabinet which comprises a cabinet body, a water cooling device and a ventilation device, wherein a cabinet door is hinged to the front side of the cabinet body; the rear side of the cabinet body is provided with an air inlet, and the side wall of the cabinet body is provided with a unidirectional air outlet; the water cooling device is arranged on the back surface of the cabinet body, and is provided with a plurality of heat exchange structures which extend into the cabinet body; the air exchanging device is arranged on the cabinet body, and the output end of the air exchanging device passes through the water cooling device through the air supply pipe to be connected with the air inlet; the air inlet end of the air changing device is provided with a filter screen. According to the water cooling device, the heat exchange structure is used for carrying out contact heat exchange with the cabinet body, so that the water cooling device can be prevented from directly contacting the cabinet body, the influence on the safety of the cabinet body after water leakage of the water cooling device is reduced, and the safety is improved; the air change device is utilized to supply air, besides the air cooling is realized, dust in the cabinet body can be blown out through cold air, the deposition of the dust in the cabinet body is reduced, and the electric components in the cabinet body can be effectively protected.
Description
Technical Field
The utility model relates to the technical field of compensation cabinets, in particular to a low-voltage reactive compensation cabinet.
Background
The low-voltage reactive power compensation cabinet is one of important equipment in a power supply system, and has the main effects of improving the power factor of a power grid, reducing the loss of a power supply transformer and a transmission line, improving the power supply efficiency and improving the power supply environment. The existing compensation cabinet is generally internally provided with a knife switch, a copper bar, a fuse, a contactor, a relay and a capacitor, and a large amount of heat can be generated in the long-term use process due to more internal electrical components. If this heat is accumulated in the compensation cabinet, it is easy to raise the temperature in the compensation cabinet too high, causing a safety risk.
In order to solve the heat dissipation problem of the compensation cabinet, the patent publication No. CN 215528382U-a low-voltage reactive compensation cabinet discloses an air-cooled technical scheme, wherein the motor and the fan blade are designed on the rear surface of the compensation cabinet main body and in the installation groove, the fan blade can be driven to rotate through the rotation of the motor, the fan blade is rotated to blow air to the interior of the connection groove, at the moment, the air entering the interior of the connection groove is uniformly discharged through the air outlet head, the interior of the compensation cabinet main body is conveniently accelerated to dissipate heat through the air outlet head, and the heat is discharged to the outside through the heat dissipation hole again, so that the air-cooled heat dissipation purpose is realized. But this technical scheme's cooling effect completely depends on the internal temperature difference with external air environment of cabinet, and the flabellum is bloied to the compensation cabinet main part inside through the spread groove simultaneously, brings external dust and impurity easily, and these dust impurity deposit on electrical components for a long time for these electrical components's radiating effect reduces, can cause discharge or overheated danger even.
For the situation, the patent with publication number CN210443898U discloses a low-voltage reactive compensation cabinet, wherein the compensation cabinet is provided with a heat absorbing plate on the side wall of the cabinet body, the heat absorbing plate is a sponge plate with water absorbing capacity, a water supply tank is arranged above the cabinet body, a water leakage hole is formed in the water supply tank, and the water leakage hole is positioned above the sponge plate. Although the technical scheme adopts a water-cooling heat dissipation mode, the heat dissipation effect is better than that of the traditional air cooling equipment, the sponge plate can corrode and damage the side wall of the cabinet body in the long-term use process; if the side wall of the cabinet body is damaged, the water in the sponge board can enter the cabinet body, and the water can cause harm to the electric components in the cabinet body. Therefore, a compensation cabinet with good heat dissipation effect and relatively safe use is urgently needed in the current electric field to solve the problems.
Disclosure of Invention
In order to solve one of the problems, the utility model provides a low-voltage reactive power compensation cabinet which is simple in structure and good in heat dissipation effect.
The utility model is realized by the following technical scheme:
the utility model provides a low-voltage reactive power compensation cabinet, which comprises
The front side of the cabinet body is hinged with a cabinet door; the rear side of the cabinet body is provided with an air inlet, and the side wall of the cabinet body is provided with a unidirectional air outlet;
the water cooling device is arranged on the back surface of the cabinet body and is provided with a plurality of heat exchange structures, and the heat exchange structures extend into the cabinet body;
the air exchanging device is arranged on the cabinet body, and the output end of the air exchanging device passes through the water cooling device through the air supply pipe to be connected with the air inlet; the air supply pipe can exchange heat with the water cooling device;
wherein, the air inlet end of ventilation device is provided with the filter screen.
Further, the water cooling device comprises a box body, cooling fins and a circulating pump, wherein the box body is arranged on the back surface of the cabinet body, two partition boards are arranged in the box body, the box body is divided into a water storage area, a heat exchange area and a water collection area from top to bottom by the two partition boards, and the cooling fins are arranged on the outer wall of the box body, which is positioned in the water collection area; a plurality of water-absorbing sponges are arranged in the heat exchange area, and one end corresponding to the heat exchange structure penetrates through the box body and is inserted into the water-absorbing sponges; the two partition boards are provided with a plurality of water leakage holes, the water collecting area is communicated with the water storage area through a water return pipe, the circulating pump is arranged on the water return pipe, and the air supply pipe passes through the water storage area or the heat exchange area.
Further, the number and caliber of the water leakage holes on the partition plate between the water storage area and the heat exchange area are larger than those of the water leakage holes on the partition plate between the water collection area and the heat exchange area.
Further, a water filling port is arranged on the top of the water storage area of the box body, and a sealing cover is arranged on the water filling port.
Further, the bottom that the box is located the water collecting region is communicated with a drain pipe, be provided with the ooff valve on the drain pipe.
Further, the heat exchange structure comprises a fixing section, a heat conduction connecting section and a heat exchange section, wherein the fixing section is arranged in the box body, the heat exchange section is arranged on the box body in a penetrating way, and one corresponding end of the heat exchange section is inserted into the water absorption sponge; the heat conduction connecting section is connected between the heat exchange section and the fixed section.
Further, the heat-conducting connecting section is made of heat-conducting rubber.
Further, the ventilation device comprises a fan, the fan is installed on the cabinet body, the air outlet end of the fan is communicated with the air inlet end of the air supply pipe, an air collecting cover is arranged on the air inlet end of the fan, and the filter screen is installed in the air collecting cover.
The utility model has the beneficial effects that:
the low-voltage reactive compensation cabinet is provided with the water cooling device on the basis of the existing cabinet body, wherein the water cooling device is in contact heat exchange with the cabinet body through the heat exchange structure, so that the water cooling device can be prevented from directly contacting the cabinet body, the influence on the safety of the cabinet body after water leakage of the water cooling device occurs is reduced, and the safety is improved; compared with the traditional air cooling mode, the water cooling mode has better cooling effect. In addition, the ventilation device is utilized to provide air supply, besides realizing air cooling, dust in the cabinet body can be blown out through cold air, the deposition of the dust in the cabinet body is reduced, and the electric components in the cabinet body can be effectively protected. In addition, the air output by the air change device is cooled by the water cooling device, so that the temperature of the air change device can be effectively reduced, and the problem that the heat dissipation effect is reduced due to the fact that external high-temperature air enters the cabinet body in summer is avoided. The filter screen can effectively reduce the dust entering the cabinet body from the outside, and avoid the dust being deposited on the electric components to influence the heat conducting performance of the electric components.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a top view of an embodiment of the utility model with a portion of the housing removed;
FIG. 3 is a schematic view of a part of a structure of an embodiment of the present utility model with a cabinet door removed;
fig. 4 is a cross-sectional view taken along A-A in fig. 2.
Detailed Description
In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 4, the present utility model provides a low-voltage reactive power compensation cabinet, which comprises a cabinet body 10, a water cooling device 20 and a ventilation device 30, wherein a cabinet door 11 is hinged to the front side of the cabinet body 10; an air inlet 12 is formed in the rear side of the cabinet body 10, and a unidirectional air outlet 13 is formed in the side wall of the cabinet body 10; the water cooling device 20 is arranged on the back surface of the cabinet body 10, the water cooling device 20 is provided with a plurality of heat exchange structures 21, and the heat exchange structures 21 extend into the cabinet body 10; the air exchanging device 30 is installed on the cabinet body 10, and the output end of the air exchanging device 30 passes through the water cooling device 20 through the air supply pipe 31 to be connected with the air inlet 12; the air supply pipe 31 can exchange heat with the water cooling device 20; the air inlet end of the air exchanging device 30 is provided with a filter screen 32.
The cabinet body 10 is a conventional cabinet body of the compensation cabinet, and the connection between the cabinet door 11 and the cabinet body 10 can be connected through a hinge, which is a conventional technical means and is not a range of important protection in the application. In fact, the air outlets 13 may be three in the present application, and are respectively disposed on three side walls of the cabinet body 10, and such arrangement can improve the heat dissipation effect of the whole structure. In addition, the air outlet 13 is arranged unidirectionally, which has the advantage of preventing external dust from entering the cabinet 10.
The low-voltage reactive compensation cabinet is provided with the water cooling device 20 on the basis of the existing cabinet body 10, wherein the water cooling device 20 is in contact heat exchange with the cabinet body 10 through the heat exchange structure 21, and the design can prevent the water cooling device 20 from directly contacting the cabinet body 10, so that the influence on the safety of the cabinet body 10 after water leakage of the water cooling device 20 is reduced, and the safety is improved; compared with the traditional air cooling mode, the water cooling mode has better cooling effect. In addition, the ventilation device 30 is used for supplying air, so that in addition to air cooling, dust in the cabinet 10 can be blown out by the cold air, deposition of the dust in the cabinet 10 can be reduced, and electrical components in the cabinet 10 can be effectively protected. In addition, the air output by the air exchanging arrangement 30 is cooled by the water cooling arrangement 20, so that the temperature of the air can be effectively reduced, and particularly in summer, the heat dissipation effect is prevented from being reduced due to the fact that the external high-temperature air enters the cabinet 10. The filter screen 32 can effectively reduce the external dust entering the cabinet 10, and prevent the dust from depositing on the electrical components to affect the heat conducting performance.
Referring further to fig. 4, in order to achieve efficient cooling while reducing the impact of damage to the cabinet 10 caused by the water cooling device 20, in one embodiment of the present application, the water cooling device 20 includes a box 22, a heat sink 23 and a circulation pump 24, the box 22 is mounted on the back of the cabinet 10, two partition plates 25 are disposed in the box 22, the two partition plates 25 divide the box 22 from top to bottom into a water storage area 26, a heat exchange area 27 and a water collection area 28, and the heat sink 23 is disposed on the outer wall of the box 22 located in the water collection area 28; a plurality of water-absorbing sponges 29 are arranged in the heat exchange area 27, and one end corresponding to the heat exchange structure 21 penetrates through the box body 22 and is inserted into the water-absorbing sponges 29; the two partition boards 25 are respectively provided with a plurality of water leakage holes 2a, the water collecting area 28 is communicated with the water storage area 26 through a water return pipe 2b, the circulating pump 24 is arranged on the water return pipe 2b, and the air supply pipe 31 passes through the water storage area 26 or the heat exchange area 27. Wherein, baffle 25 between water storage area 26 and heat exchange area 27 can also set up the regulating plate, and the regulating plate can leak the area of water hole 2a, can adjust whole water hole 2 a's overflow rate like this, and then can adjust the heat exchange efficiency of heat exchange area 27. The adjusting plate can be provided with a plurality of holes, and the holes can adjust the through-capacity area of the water leakage holes 2a by being staggered with the water leakage holes 2 a.
Wherein, for the installation of being convenient for, box 22 can be directly installed on the lateral wall of cabinet body 10 through the screw laminating in an embodiment of this application, also can install on the lateral wall of cabinet body 10 through the spliced pole structure, has the isolation space between cabinet body 10 and the box 22, is convenient for air circulation like this and takes away the heat on the cabinet body 10 lateral wall. In the above embodiment, the size of the case 22 may be the same as that of the cabinet, so that the area of the heat exchanging area 27 may be increased as much as possible and adapted to the size of the cabinet 10, thereby increasing the heat exchanging area of the cabinet 10.
It should be noted that, in one embodiment of the present application, the air supply pipe 31 may be actually understood as an end pipe pre-buried in the heat exchange area 27, so that the later disassembly and assembly of the ventilation device 30 and the box 22 may be facilitated. In a modified embodiment, the portion of the air supply pipe 31 located in the heat exchange area 27 may be divided into several pipes, so that the heat exchange effect can be enhanced.
Further, in one embodiment, in order to control the cooling effect, the number and caliber of the water leakage holes 2a on the partition 25 between the water storage area 26 and the heat exchange area 27 are larger than the number and caliber of the water leakage holes 2a on the partition 25 between the water collection area 28 and the heat exchange area 27; by the arrangement, part of water can be reserved in the heat exchange area 27, so that the heat exchange between the heat exchange structure 21 and the water in the water absorption sponge 29 can be facilitated to the greatest extent, and the heat exchange effect is improved.
Further, referring to fig. 1 to 4, in order to facilitate the cleaning or water replacement of the tank 22 by a worker, a water filling port 2c is provided on the top of the tank 22 in the water storage area 26, and a cover is provided on the water filling port 2 c. The bottom of the tank body 22, which is positioned at the water collecting area 28, is communicated with a water discharging pipe 2d, and a switch valve 2e is arranged on the water discharging pipe 2d, wherein the switch valve 2e is a manual valve, and is convenient to operate and control.
It should be noted that, in this application, in order to facilitate the disassembly and assembly of the water cooling device 20, the heat exchange structure 21 may be a split design, where a portion of the heat exchange structure 21 located in the cabinet 10 may be integrally formed with the cabinet 10 itself. In some preferred embodiments, the portion of the heat exchange structure 21 located in the cabinet body 10 may form a mounting bracket structure for mounting electrical components in the cabinet body 10, and the portion of the heat exchange structure 21 located outside the cabinet body 10 may be a movable connection structure, so that separation of the portion of the heat exchange structure 21 located inside and outside the cabinet body 10 can be achieved by such a design, and thus the water cooling device 20 can be conveniently disassembled and maintained.
Further, in the above embodiment, in order to facilitate the detachment of the heat exchange structure 21, the heat exchange structure 21 includes a fixing section, a heat conducting connection section and a heat exchange section, where the fixing section is disposed in the box 22, the heat exchange section is installed on the box 22 in a penetrating manner, and the corresponding end of the heat exchange section is inserted into the absorbent sponge 29; the heat conduction connecting section is connected between the heat exchange section and the fixed section. The heat conduction connecting section is connected with the fixing section and the heat exchange section respectively in a sleeving manner, so that the convenience of connection is improved. Of course, in some embodiments, the fixing section, the heat conducting connecting section and the heat exchanging section are hollow structures, and efficient heat conducting structures, such as heat conducting ceramics or graphite, are inserted into the hollow structures. In addition, in order to facilitate heat conduction while reducing interaction between the cabinet 10 and the water cooling device 20, the heat conduction connection section is made of heat conduction rubber.
Further fig. 2 and 3, in an embodiment of the present application, the ventilation device 30 includes a fan 33, the fan 33 is installed on the cabinet 10, an air outlet end of the fan 33 is communicated with an air inlet end of the air supply pipe 31, an air collecting cover 34 is disposed on the air inlet end of the fan 33, and the filter screen 32 is installed in the air collecting cover 34. The filter screen 32 is a conventional filter screen, and in one embodiment, an ash collecting hopper is arranged at the bottom of the air collecting cover 34, so that external dust can fall and collect conveniently.
Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.
Claims (8)
1. A low voltage reactive power compensation cabinet, comprising:
the front side of the cabinet body is hinged with a cabinet door; the rear side of the cabinet body is provided with an air inlet, and the side wall of the cabinet body is provided with a unidirectional air outlet;
the water cooling device is arranged on the back surface of the cabinet body and is provided with a plurality of heat exchange structures, and the heat exchange structures extend into the cabinet body;
the air exchanging device is arranged on the cabinet body, and the output end of the air exchanging device passes through the water cooling device through the air supply pipe to be connected with the air inlet; the air supply pipe can exchange heat with the water cooling device;
wherein, the air inlet end of ventilation device is provided with the filter screen.
2. A low voltage reactive power compensation cabinet according to claim 1, characterized in that: the water cooling device comprises a box body, cooling fins and a circulating pump, wherein the box body is arranged on the back surface of the cabinet body, two partition boards are arranged in the box body, the box body is divided into a water storage area, a heat exchange area and a water collection area from top to bottom by the two partition boards, and the cooling fins are arranged on the outer wall of the box body, which is positioned in the water collection area; a plurality of water-absorbing sponges are arranged in the heat exchange area, and one end corresponding to the heat exchange structure penetrates through the box body and is inserted into the water-absorbing sponges; the two partition boards are provided with a plurality of water leakage holes, the water collecting area is communicated with the water storage area through a water return pipe, the circulating pump is arranged on the water return pipe, and the air supply pipe passes through the water storage area or the heat exchange area.
3. A low voltage reactive power compensation cabinet according to claim 2, characterized in that: the number and caliber of the water leakage holes on the partition plate between the water storage area and the heat exchange area are larger than those of the water leakage holes on the partition plate between the water collection area and the heat exchange area.
4. A low voltage reactive power compensation cabinet according to claim 2, characterized in that: the water tank is provided with a water filling port on the top of the water storage area, and a sealing cover is arranged on the water filling port.
5. A low voltage reactive power compensation cabinet according to claim 2, characterized in that: the bottom of the box body, which is positioned in the water collecting area, is communicated with a drain pipe, and a switch valve is arranged on the drain pipe.
6. A low voltage reactive power compensation cabinet according to claim 2, characterized in that: the heat exchange structure comprises a fixing section, a heat conduction connecting section and a heat exchange section, wherein the fixing section is arranged in the box body, the heat exchange section is arranged on the box body in a penetrating way, and one corresponding end of the heat exchange section is inserted into the water absorbing sponge; the heat conduction connecting section is connected between the heat exchange section and the fixed section.
7. The low voltage reactive power compensation cabinet of claim 6, wherein: the heat-conducting connecting section is made of heat-conducting rubber.
8. A low voltage reactive power compensation cabinet according to claim 1, characterized in that: the air exchanging device comprises a fan, the fan is installed on the cabinet body, the air outlet end of the fan is communicated with the air inlet end of the air supply pipe, an air collecting cover is arranged on the air inlet end of the fan, and the filter screen is installed in the air collecting cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320366576.4U CN219394173U (en) | 2023-03-01 | 2023-03-01 | Low-voltage reactive compensation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320366576.4U CN219394173U (en) | 2023-03-01 | 2023-03-01 | Low-voltage reactive compensation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219394173U true CN219394173U (en) | 2023-07-21 |
Family
ID=87169498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320366576.4U Active CN219394173U (en) | 2023-03-01 | 2023-03-01 | Low-voltage reactive compensation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219394173U (en) |
-
2023
- 2023-03-01 CN CN202320366576.4U patent/CN219394173U/en active Active
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