CN209766930U - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
- Publication number
- CN209766930U CN209766930U CN201921030595.XU CN201921030595U CN209766930U CN 209766930 U CN209766930 U CN 209766930U CN 201921030595 U CN201921030595 U CN 201921030595U CN 209766930 U CN209766930 U CN 209766930U
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- Prior art keywords
- cabinet body
- air
- heat dissipation
- fixed
- cabinet
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- Expired - Fee Related
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- 238000009826 distribution Methods 0.000 title claims abstract description 31
- 230000017525 heat dissipation Effects 0.000 claims abstract description 38
- 239000000428 dust Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 50
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the field of electric power, in particular to a power distribution cabinet, which comprises a cabinet body, a fixed base, a connecting spring and a cabinet door; the cabinet body is connected with the fixed base through a plurality of connecting springs; a blast heat dissipation device which utilizes vibration to drive air inlet is arranged between the cabinet body and the fixed base, and external air is sent into the cabinet body to dissipate heat through vibration generated when the cabinet body operates; the blast heat dissipation device comprises a fixed seal box, a movable seal box, an air inlet pipe, an air outlet pipe, a dust cover, a first one-way valve, a seal piston, a through hole and a second one-way valve. Utilize the vibration drive blast air heat abstractor operation of switch board, vibration that does not stop makes blast air heat abstractor continuously send into the outside air, takes away the inside heat, keeps inside operation under lower temperature, does not need special drive arrangement, reduces the energy consumption when the switch board moves, and is energy-concerving and environment-protective, the facilitate promotion is implemented.
Description
Technical Field
The utility model relates to an electric power field specifically is a power distribution cabinet.
Background
The low-voltage power distribution cabinet is mainly used in a low-voltage distribution system, is used for power distribution and electric energy conversion, and is an important device for industrial production and civil electric power. The interior circuit of low-voltage power distribution cabinet is numerous and diverse, and at the during operation, original paper will inevitable production of heat in the cabinet, and along with service life's accumulation, temperature can reach 40 degrees in the cabinet, and low-voltage power distribution cabinet's wholeness is too high simultaneously so that the dismouting is comparatively loaded down with trivial details, and inside thermal diffusivity is very poor. The original paper is damaged easily to the long-time high temperature in the low-voltage power distribution cabinet, causes the trip, and it is not good to maintain the whole operating condition of switch board to the danger that burns out along with. Generally in order to evacuate the heat to in the low-voltage power distribution cabinet, can generally set up the thermovent for low-voltage power distribution cabinet. The setting of the heat dissipation opening of a common low-voltage power distribution cabinet is too simple, the heat dissipation opening is open, the entering of external water vapor or the condensation of the water vapor in the air with higher temperature in the cabinet body at the heat dissipation opening into water drops to fall into the cabinet cannot be prevented, so that the internal circuit of the low-voltage power distribution cabinet cannot be well protected, and the normal operation of a power system cannot be ensured.
The low-voltage power distribution cabinet disclosed in the chinese patent (publication No. CN 208690803U) uses a cooling fan to blow air to dissipate heat, so as to reduce the internal temperature, but because the power distribution cabinet is used for a long time, the cooling fan is opened for a long time, so that the energy consumption is increased, which is not beneficial to the use of the power distribution cabinet, and therefore, the existing power distribution cabinet needs to be improved to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power distribution cabinet to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
A power distribution cabinet comprises a cabinet body, a fixed base, a connecting spring and a cabinet door; the cabinet door is rotatably mounted on the cabinet body, the fixed base is arranged below the cabinet body, the cabinet body is connected with the fixed base through a plurality of connecting springs, the cabinet body is damped and buffered, noise is reduced, the power distribution cabinet can vibrate in the operation process, and the cabinet body and the fixed base move relatively through the support of the connecting springs to damp; a blast heat dissipation device for driving air to enter by vibration is arranged between the cabinet body and the fixed base, and external air is continuously sent into the cabinet body to dissipate heat through vibration generated when the cabinet body runs, so that electric drive of a heat dissipation fan is replaced; the air blast heat dissipation device comprises a fixed seal box, a movable seal box, an air inlet pipe, an air outlet pipe, a dust cover, a first one-way valve, a seal piston, a through hole and a second one-way valve; the movable sealing box extends into the fixed sealing box from the bottom of the fixed sealing box, a sealing piston with the same cross section as that of the fixed sealing box is fixed at the upper end of the movable sealing box, the sealing piston and the inner wall of the fixed sealing box are arranged in a sealing mode, the sealing piston moves up and down along the inner wall of the fixed sealing box, the upper space and the lower space are changed, and therefore air pressure is changed, and internal air flows; a through hole is formed in the center of the sealing piston, a second one-way valve facing the upper part of the sealing piston is arranged in the through hole, so that air in the movable sealing box flows towards the upper part of the sealing piston, namely the air in the movable sealing box flows into the fixed sealing box in a one-way mode, and the bottom of the movable sealing box is communicated with an air inlet pipe; the top of the fixed seal box is communicated with an air outlet pipe, the air outlet pipe is communicated with the inside of the cabinet body, external air is introduced into the cabinet body to enable the air in the cabinet body to flow, and a first one-way valve is arranged on the air outlet pipe to enable the air in the fixed seal box to flow out of the air outlet pipe in a one-way mode; the fixed seal box is fixedly arranged at the bottom of the cabinet body, the movable seal box is fixedly arranged on the fixed base, and relative movement between the fixed seal box and the movable seal box is realized through the up-and-down vibration of the cabinet body.
Further: the air inlet pipe is covered with a dust cover, so that outside air can enter the movable sealing box.
Further: the inner wall of the cabinet body is covered with a layer of heat dissipation sleeve, the heat generated inside is absorbed by the heat dissipation sleeve, and the upper part of the side wall of the heat dissipation sleeve is provided with a plurality of heat dissipation holes communicated with the outer side of the cabinet body; the air outlet pipe is communicated into the heat dissipation sleeve to blow the air in the heat dissipation sleeve to flow, so that heat is taken away.
Further: the outer wall material of heat dissipation cover is copper.
Further: a plurality of louvres are located same horizontal plane, with inside thermal air escape that absorbs, the outside cover of louvre is equipped with the weather shield that the opening is down, makes the exhaust hot-air flow downwards, avoids meeting water and enters into inside through the louvre.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model can reduce the vibration generated during the operation of the power distribution cabinet by connecting the springs, and reduce the noise generated during the operation; utilize the vibration drive blast air heat abstractor operation of switch board, vibration that does not stop makes blast air heat abstractor continuously send into the outside air, takes away the inside heat, keeps inside operation under lower temperature, does not need special drive arrangement, reduces the energy consumption when the switch board moves, and is energy-concerving and environment-protective, the facilitate promotion is implemented.
Drawings
Fig. 1 is a schematic structural diagram of a power distribution cabinet.
Fig. 2 is a schematic perspective view of a blower heat sink in a power distribution cabinet.
Fig. 3 is a cross-sectional view of a forced air heat sink in a power distribution cabinet.
Fig. 4 is a schematic structural diagram of a-a in fig. 1.
In the figure: 1-cabinet body, 2-fixed base, 3-connecting spring, 4-cabinet door, 5-rain baffle, 6-heat dissipation sleeve, 7-heat dissipation hole, 8-blast heat dissipation device, 9-fixed seal box, 10-movable seal box, 11-air inlet pipe, 12-air outlet pipe, 13-dust cover, 14-first one-way valve, 15-sealing piston, 16-through hole, 17-second one-way valve.
Detailed Description
Example 1
Referring to the drawings, in an embodiment of the present invention, a power distribution cabinet includes a cabinet body 1, a fixed base 2, a connection spring 3, and a cabinet door 4; cabinet door 4 rotates to be installed on the cabinet body 1, sets up in the below of the cabinet body 1 at unable adjustment base 2, is connected through a plurality of connecting spring 3 between the cabinet body 1 and the unable adjustment base 2, plays the effect of shock attenuation buffering to the cabinet body 1, reduces the noise, and the switch board can produce the vibration at the operation in-process, supports through connecting spring 3, makes relative movement between the cabinet body 1 and the unable adjustment base 2, carries out the shock attenuation.
A blast heat dissipation device 8 which utilizes vibration to drive air intake is arranged between the cabinet body 1 and the fixed base 2, and external air is continuously sent into the cabinet body 1 to dissipate heat through vibration generated when the cabinet body 1 operates, so that electric drive of a heat dissipation fan is replaced; the air blast heat dissipation device 8 comprises a fixed seal box 9, a movable seal box 10, an air inlet pipe 11, an air outlet pipe 12, a dust cover 13, a first one-way valve 14, a sealing piston 15, a through hole 16 and a second one-way valve 17, wherein the movable seal box 10 extends into the fixed seal box 9 from the bottom of the fixed seal box, the upper end of the movable seal box 10 is fixed with the sealing piston 15 with the same cross section as the inner cross section of the fixed seal box 9, the sealing piston 15 is arranged in a sealing manner with the inner wall of the fixed seal box 9, and the sealing piston 15 moves up and down along the inner wall of the fixed seal box 9 to change the upper and lower spaces, so that the air pressure is changed and; a through hole 16 is formed in the center of the sealing piston 15, a second one-way valve 17 facing the upper part of the sealing piston 15 is arranged in the through hole 16, so that air in the movable sealing box 10 flows towards the upper part of the sealing piston 15, namely the air in the movable sealing box 10 flows into the fixed sealing box 9 in a one-way mode, the bottom of the movable sealing box 10 is communicated with an air inlet pipe 11, and a dust cover 13 is covered on the air inlet pipe 11, so that external air can enter the movable sealing box 10 in a real time; the top of the fixed seal box 9 is communicated with an air outlet pipe 12, the air outlet pipe 12 is communicated with the inside of the cabinet body 1, external air is introduced into the cabinet body 1 to enable the air in the cabinet body 1 to flow, and the air outlet pipe 12 is provided with a first one-way valve 14 to enable the air in the fixed seal box 9 to flow out of the air outlet pipe 12 in a one-way manner; the fixed seal box 9 is fixedly arranged at the bottom of the cabinet body 1, the movable seal box 10 is fixedly arranged on the fixed base 2, and the relative movement between the fixed seal box 9 and the movable seal box 10 is realized through the up-and-down vibration of the cabinet body 1; when the sealing piston 15 moves upwards in the fixed seal box 9, the air in the fixed seal box 9 is pressed out, so that the air is discharged from the air outlet pipe 12, when the sealing piston 15 moves downwards in the fixed seal box 9, the air pressure in the fixed seal box 9 is reduced, the air pressure in the movable seal box 10 is higher, the air in the movable seal box 10 flows into the fixed seal box 9 to supplement the air in the fixed seal box 9, and the high-frequency vibration enables the internal air to continuously flow upwards, so that the air blowing effect is realized.
Example 2
On the basis of embodiment 1, the inner wall of the cabinet body 1 is covered with a layer of heat dissipation sleeve 6, the outer wall of the heat dissipation sleeve 6 is made of copper, heat generated inside is absorbed through the heat dissipation sleeve 6, the upper portion of the side wall of the heat dissipation sleeve 6 is provided with a plurality of heat dissipation holes 7 communicated to the outer side of the cabinet body 1, the plurality of heat dissipation holes 7 are located on the same horizontal plane and discharge air with heat absorbed inside, the outer side of each heat dissipation hole 7 is covered with a rain baffle 5 with a downward opening, so that discharged hot air flows downwards and is prevented from entering the inside through the heat dissipation holes 7 when meeting water; the air outlet pipe 12 is communicated into the heat dissipation sleeve 6 to blow air in the heat dissipation sleeve 6 to flow, so that heat is taken away.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A power distribution cabinet comprises a cabinet body (1), a fixed base (2), a connecting spring (3) and a cabinet door (4); the cabinet door (4) is rotatably arranged on the cabinet body (1), the fixed base (2) is arranged below the cabinet body (1), and the cabinet body (1) is connected with the fixed base (2) through a plurality of connecting springs (3); the air-cooling cabinet is characterized in that a blast heat dissipation device (8) which utilizes vibration to drive air intake is arranged between the cabinet body (1) and the fixed base (2), and external air is sent into the cabinet body to dissipate heat through vibration generated when the cabinet body (1) operates; the air blast heat dissipation device (8) comprises a fixed sealing box (9), a movable sealing box (10), an air inlet pipe (11), an air outlet pipe (12), a dust cover (13), a first one-way valve (14), a sealing piston (15), a through hole (16) and a second one-way valve (17); the movable sealing box (10) extends into the fixed sealing box (9) from the bottom of the fixed sealing box, a sealing piston (15) with the same inner cross section as the fixed sealing box (9) is fixed at the upper end of the movable sealing box (10), and the sealing piston (15) is arranged in a sealing manner with the inner wall of the fixed sealing box (9); a through hole (16) is formed in the center of the sealing piston (15), a second one-way valve (17) facing the upper part of the sealing piston (15) is arranged in the through hole (16), and the bottom of the movable sealing box (10) is communicated with an air inlet pipe (11); the top of the fixed seal box (9) is communicated with an air outlet pipe (12), and a first one-way valve (14) is arranged on the air outlet pipe (12); the fixed seal box (9) is fixedly arranged at the bottom of the cabinet body (1), and the movable seal box (10) is fixedly arranged on the fixed base (2).
2. A power distribution cabinet according to claim 1, characterized in that: the air inlet pipe (11) is covered with a dust cover (13).
3. A power distribution cabinet according to claim 1 or 2, characterized in that: the inner wall of the cabinet body (1) is covered with a layer of heat dissipation sleeve (6), and the upper part of the side wall of the heat dissipation sleeve (6) is provided with a plurality of heat dissipation holes (7) communicated with the outer side of the cabinet body (1); the air outlet pipe (12) is communicated into the heat dissipation sleeve (6).
4. A power distribution cabinet according to claim 3, characterized in that: the outer wall of the heat dissipation sleeve (6) is made of copper.
5. A power distribution cabinet according to claim 4, characterized in that: the plurality of heat dissipation holes (7) are positioned on the same horizontal plane, and the outer side of each heat dissipation hole (7) is covered with a rain baffle (5) with a downward opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921030595.XU CN209766930U (en) | 2019-07-04 | 2019-07-04 | Power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921030595.XU CN209766930U (en) | 2019-07-04 | 2019-07-04 | Power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209766930U true CN209766930U (en) | 2019-12-10 |
Family
ID=68746106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921030595.XU Expired - Fee Related CN209766930U (en) | 2019-07-04 | 2019-07-04 | Power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209766930U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146718A (en) * | 2020-03-12 | 2020-05-12 | 刘丰源 | Closed power distribution cabinet high frequency anti-aging heat sink |
| CN111786283A (en) * | 2020-08-06 | 2020-10-16 | 武汉金鑫华机械加工厂 | Power cabinet for power distribution network transformer substation |
| CN113285366A (en) * | 2021-05-27 | 2021-08-20 | 浙江中环新能源有限公司 | High security low-voltage power supply cabinet that is incorporated into power networks |
| CN118449034A (en) * | 2024-06-06 | 2024-08-06 | 江苏茂通电气有限公司 | Power distribution room with heat dissipation function |
-
2019
- 2019-07-04 CN CN201921030595.XU patent/CN209766930U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146718A (en) * | 2020-03-12 | 2020-05-12 | 刘丰源 | Closed power distribution cabinet high frequency anti-aging heat sink |
| CN111146718B (en) * | 2020-03-12 | 2022-03-22 | 湖南东方电器有限公司 | Closed power distribution cabinet high frequency anti-aging heat sink |
| CN111786283A (en) * | 2020-08-06 | 2020-10-16 | 武汉金鑫华机械加工厂 | Power cabinet for power distribution network transformer substation |
| CN111786283B (en) * | 2020-08-06 | 2022-07-08 | 山东德恒电气有限公司 | Power cabinet for power distribution network transformer substation |
| CN113285366A (en) * | 2021-05-27 | 2021-08-20 | 浙江中环新能源有限公司 | High security low-voltage power supply cabinet that is incorporated into power networks |
| CN118449034A (en) * | 2024-06-06 | 2024-08-06 | 江苏茂通电气有限公司 | Power distribution room with heat dissipation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |