CN116470411A - Power distribution cabinet capable of actively controlling temperature field - Google Patents
Power distribution cabinet capable of actively controlling temperature field Download PDFInfo
- Publication number
- CN116470411A CN116470411A CN202310366607.0A CN202310366607A CN116470411A CN 116470411 A CN116470411 A CN 116470411A CN 202310366607 A CN202310366607 A CN 202310366607A CN 116470411 A CN116470411 A CN 116470411A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- cabinet body
- heat pipe
- power distribution
- metal shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 18
- 230000001276 controlling effect Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 210000002268 wool Anatomy 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 238000009835 boiling Methods 0.000 abstract description 10
- 239000012224 working solution Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
An active control temperature field power distribution cabinet relates to the technical field of power distribution cabinets. The cabinet body and the cabinet door are both heat insulation structures, an electric component is mounted in front of a back plate in the cabinet body, a heat pipe is mounted on the upper portion of the back plate, the heat pipe is horizontally arranged in the cabinet body, the heat pipe extends downwards after extending out of the cabinet body, and a pressure regulating mechanism is arranged on the right side of the heat pipe. The beneficial effects of the invention are as follows: the power distribution cabinet with the heat insulation structure is high in heat transfer efficiency, and air in the cabinet is not communicated with the outside, so that damage to the electrical components caused by external dust entering the cabinet is avoided; the diode effect of the heat pipe is utilized to prevent the damage of electrical components caused by the transmission of external high temperature in extreme weather or in fire disaster; through setting up pressure adjustment mechanism, can change the boiling point of working solution, the boiling point of working solution reduces when the intra-cabinet temperature is high, and the boiling point of working solution risees when the intra-cabinet temperature is fit for, is equivalent to playing the effect of switch to the heat pipe, but the thermal field temperature in the initiative regulation cabinet.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet capable of actively controlling a temperature field.
Background
When the inside electrical component of switch board operates, can produce a large amount of heat, among the prior art, generally carry out the convection current of inside and outside air through the louvre and realize the heat dissipation, utilize the louvre heat dissipation to belong to natural convection heat dissipation, the heat dispersion is limited, leads to the condition that the heat dissipation is untimely easily to the north, the climate of south can't adapt to: the electric components are easy to overheat in the hot weather in the south and easy to be damaged due to dew condensation in the cold weather in the north, and meanwhile, the electric components are easy to be damaged in the occasion with a lot of dust by utilizing the air exchange heat dissipation inside and outside the cabinet body.
Disclosure of Invention
The invention provides a power distribution cabinet capable of actively controlling a temperature field, which aims to solve the problems that the existing power distribution cabinet is limited in heat dissipation capacity, narrow in application range and easy to damage electrical components.
The technical scheme provided by the invention is as follows: the power distribution cabinet comprises a cabinet body and a cabinet door, wherein the cabinet body and the cabinet door are of heat insulation structures, a sealing ring is arranged between the cabinet door and the cabinet body, a back plate is arranged on the inner side of the cabinet body, electric components are arranged in front of the back plate, a distance is reserved between the back plate and the cabinet body, a heat pipe is arranged on the upper portion of the back plate, the heat pipe is horizontally arranged in the cabinet body, the heat pipe extends downwards after extending out of the cabinet body, and a pressure intensity adjusting mechanism is arranged on the right side of the heat pipe;
the heat pipe comprises a metal shell, wherein the metal shell is of a closed shell structure, a capillary object is adhered to the inner wall of the metal shell, working fluid is filled in the metal shell, and heat exchange fins are arranged on the outer side of the metal shell.
Capillary materials of the heat pipe positioned at the inner part of the cabinet body are fine capillary materials, and capillary materials of the heat pipe positioned at the outer part of the cabinet body are coarse capillary materials.
The pressure regulating mechanism comprises a thermal bimetallic strip, the thermal bimetallic strip is vertically and fixedly connected to the top of the cabinet body, the left side of the thermal bimetallic strip is hinged to a connecting rod, the other side of the connecting rod is hinged to a piston, the piston stretches into the metal shell, the piston is connected with the metal shell through a clearance fit of a sealing ring, the piston is fixedly connected with an outer cylinder A in the metal shell, the outer cylinder A and the inner cylinder A are spliced together through the sealing ring, the inner cylinder A is fixedly connected to the inner wall of the metal shell through a supporting block, and the thermal expansion coefficient of the metal strip on the left side of the thermal bimetallic strip is smaller than that of the metal strip on the right side.
The left side of the inner cylinder A is fixedly connected with the inner cylinder B, the inner cylinder B and the outer cylinder B are spliced together through a sealing ring, the outer cylinder A is fixedly connected with the push rod A, the push rod A penetrates through one side of a bottom hinge connection lever of the inner cylinder A, the shaft of the lever is fixedly connected with the inner cylinder A, the other side of the lever is connected with the push rod B through a hinge, the push rod B is fixedly connected with the outer cylinder B, holes at hinge connection parts of the lever, the push rod A and the push rod B are long holes, and the length direction of the long holes is parallel to the lever.
The lower part of the cabinet body is provided with a fan which is connected with a one-way valve positioned on the cabinet body, the top of the cabinet body is provided with the one-way valve, and the upper part of the one-way valve is covered with a filter screen.
The cabinet body is internally provided with a heating element which is positioned at the bottom of the cabinet body.
The cabinet body is provided with a diversion pipe, and the diversion pipe is sleeved outside the heat pipe.
The right side of the heat pipe is connected with the cylinder sleeve through a flange in a sealing way, and the piston is in clearance fit with the cylinder sleeve through a sealing ring.
The beneficial effects of the invention are as follows: the power distribution cabinet with the heat insulation structure is high in heat transfer efficiency, and air in the cabinet is not communicated with the outside, so that damage to the electrical components caused by external dust entering the cabinet is avoided; the diode effect of the heat pipe is utilized to prevent the damage of electrical components caused by the transmission of external high temperature in extreme weather or in fire disaster; through setting up pressure adjustment mechanism, can change the boiling point of working solution, the boiling point of working solution reduces when the intra-cabinet temperature is high, and the boiling point of working solution risees when the intra-cabinet temperature is fit for, is equivalent to playing the effect of switch to the heat pipe, but the thermal field temperature in the initiative regulation cabinet.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic view of the heat pipe of FIG. 2 according to the present invention.
FIG. 3 is a section A-A of FIG. 2.
In the figure: 1-cabinet body, 2-cabinet door, 3-heat pipe, 4-electrical component, 5-backplate, 6-honeycomb duct, 7-heat transfer fin, 8-hot bimetallic strip, 9-connecting rod, 10-piston, 11-fan, 12-check valve, 13-filter screen, 14-heating element, 15-metal casing, 16-capillary, 17-inner tube A, 18-supporting shoe, 19-inner tube B, 20-push rod A, 21-push rod B, 22-lever, 23-cylinder cap, 24-outer tube A, 25-outer tube B.
Detailed Description
As shown in fig. 1-3, a power distribution cabinet capable of actively controlling a temperature field comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet body 1 and the cabinet door 2 are of heat insulation structures, a sealing ring is arranged between the cabinet door 2 and the cabinet body 1, a back plate 5 is arranged on the inner side of the cabinet body 1, an electric component 4 is arranged in front of the back plate 5, a certain distance is reserved between the back plate 5 and the cabinet body 1, a heat pipe 3 is arranged on the upper portion of the back plate 5, the heat pipe 3 is horizontally arranged in the cabinet body 1, hot air rises from the electric component 4, absorbs heat through the heat pipe 3 and then flows downwards from the rear portion of the back plate 5 to form convection, the heat pipe 3 extends downwards after extending out of the cabinet body 1, and a pressure regulating mechanism is arranged on the right side of the heat pipe 3;
the heat pipe 3 includes metal casing 15, and metal casing 15 is confined shell structure, and metal casing 15 inner wall bonds there is capillary 16, and metal casing 15 intussuseption is filled with the working solution, and the metal casing 15 outside is equipped with heat transfer fin 7, sets up the switch board of thermal-insulated structure, outwards transmits the heat that electrical component 4 produced through heat pipe 3, and heat transfer efficiency is high and the intra-cabinet air does not communicate with the outside, avoids outside dust to get into in the cabinet and causes electrical component 4 to damage.
Capillary 16 of heat pipe 3 located in the internal part of cabinet 1 is fine wool, capillary 16 of heat pipe 3 located in the external part of cabinet 1 is thick wool, and when the internal temperature of cabinet is in the low temperature and the external environment is in the low temperature, the heat can be effectively from the internal to the external environment of cabinet. Conversely, when the external environment is at a high temperature and the inside of the cabinet is at a low temperature, the coarse capillary material outside the heat pipe 3 cannot transfer heat to the inside of the cabinet effectively due to the limitation of the heat conduction limit, that is, the diode effect of the heat pipe 3, preventing the damage to the electrical components 4 caused by the transfer of the external high temperature in extreme weather or in the case of fire.
The pressure regulating mechanism comprises a thermal bimetallic strip 8, the thermal bimetallic strip 8 is vertically and fixedly connected to the top of a cabinet body 1, the left side of the thermal bimetallic strip 8 is hinged to a connecting rod 9, the other side of the connecting rod 9 is hinged to a piston 10, the piston 10 stretches into a metal shell 15, the piston 10 is connected with the metal shell 15 through clearance fit of a sealing ring, the piston 10 is fixedly connected with an outer cylinder A24 in the metal shell 15, the outer cylinder A24 and an inner cylinder A17 are spliced together through the sealing ring, the inner cylinder A17 is fixedly connected to the inner wall of the metal shell 15 through a supporting block 18, the thermal expansion coefficient of the metal strip on the left side of the thermal bimetallic strip 8 is smaller than that of the metal strip on the right side, when the temperature in the cabinet rises, the thermal bimetallic strip 8 bends leftwards, the piston 10 is pushed to move leftwards, the piston 10 pushes the outer cylinder A24 to move leftwards, the appearance volume of the outer cylinder A24 and the inner cylinder A17 is reduced, namely, the effective space in the heat pipe 3 is reduced in air pressure, the heat pipe 3 begins to transfer heat outwards, otherwise, the thermal bimetallic strip 8 bends rightwards when the temperature in the cabinet is suitable, 3 stops working, the temperature in the cabinet is converted into the boiling point of the heat pipe, the heat pipe when the temperature in the cabinet is high, the temperature in the temperature is suitable, the temperature in the cabinet is suitable, the boiling point of the heat pipe is reduced, and the boiling point of the heat pipe is suitable for the heat pipe, and the boiling point in the temperature field is well when the temperature in the temperature is suitable for the temperature in the heat pipe, and the temperature is well.
The left side of the inner cylinder A17 is fixedly connected with the inner cylinder B19, the inner cylinder B19 and the outer cylinder B25 are spliced together through a sealing ring, the outer cylinder A24 is fixedly connected with the push rod A20, the push rod A20 penetrates through one side of a bottom hinge connection lever 22 of the inner cylinder A17, a shaft of the lever 22 is fixedly connected with the inner cylinder A17, the other side of the lever 22 is connected with the push rod B21 through a hinge, the push rod B21 is fixedly connected with the outer cylinder B25, holes at the hinge connection parts of the lever 22, the push rod A20 and the push rod B21 are long holes, the length direction of the long holes is parallel to the lever 22, and when the outer cylinder A24 moves leftwards, the outer cylinder B25 moves rightwards simultaneously, so that the temperature regulation amplitude of a thermal field is further increased.
The lower part of the cabinet body 1 is provided with a fan 11, the fan 11 is connected with a one-way valve 12 positioned on the cabinet body 1, the top of the cabinet body 1 is provided with the one-way valve 12, the upper part of the one-way valve 12 is covered with a filter screen 13, and after the cabinet door 2 is opened for maintenance, the fan 11 is started to replace air in the cabinet, so that the air in the cabinet is ensured to be clean.
The heating element 14 is arranged in the cabinet body 1, the heating element 14 is positioned at the bottom of the cabinet body 1, and the heating element 14 can be started to prevent the electric component 4 from being dewed and damaged in extremely cold weather.
The cabinet body 1 is provided with the guide pipe 6, the guide pipe 6 is sleeved outside the heat pipe 3, and the heat dissipation condition of the heat pipe 3 is improved.
The right side of the heat pipe 3 is connected with a cylinder sleeve 23 through a flange in a sealing way, and the piston 10 is in clearance fit with the cylinder sleeve 23 through a sealing ring, so that the installation and maintenance are convenient.
Claims (8)
1. The utility model provides a switch board in initiative control temperature field, includes cabinet body (1) and cabinet door (2), its characterized in that: the cabinet body (1) and the cabinet door (2) are of heat insulation structures, a sealing ring is arranged between the cabinet door (2) and the cabinet body (1), a back plate (5) is arranged on the inner side of the cabinet body (1), an electric component (4) is arranged in front of the back plate (5), a distance is reserved between the back plate (5) and the cabinet body (1), a heat pipe (3) is arranged on the upper portion of the back plate (5), the heat pipe (3) is horizontally arranged in the cabinet body (1), the heat pipe (3) extends downwards after extending out of the cabinet body (1), and a pressure adjusting mechanism is arranged on the right side of the heat pipe (3);
the heat pipe (3) comprises a metal shell (15), the metal shell (15) is of a closed shell structure, a capillary 16 is adhered to the inner wall of the metal shell (15), working fluid is filled in the metal shell (15), and heat exchange fins (7) are arranged on the outer side of the metal shell (15).
2. The power distribution cabinet for actively controlling a temperature field according to claim 1, wherein: capillary (16) of the heat pipe (3) positioned at the inner part of the cabinet body (1) is fine wool, and capillary (16) of the heat pipe (3) positioned at the outer part of the cabinet body (1) is coarse wool.
3. The power distribution cabinet for actively controlling a temperature field according to claim 1, wherein: the pressure regulating mechanism comprises a thermal bimetallic strip (8), the thermal bimetallic strip (8) is vertically and fixedly connected to the top of a cabinet body (1), a connecting rod (9) is hinged to the left side of the thermal bimetallic strip (8), a piston (10) is hinged to the other side of the connecting rod (9), the piston (10) stretches into a metal shell (15), the piston (10) is connected with the metal shell (15) through a sealing ring clearance fit, the piston (10) is fixedly connected with an outer cylinder A (24) in the metal shell (15), the outer cylinder A (24) is spliced with an inner cylinder A (17) through a sealing ring, the inner cylinder A (17) is fixedly connected to the inner wall of the metal shell (15) through a supporting block (18), and the thermal expansion coefficient of the metal strip on the left side of the thermal bimetallic strip (8) is smaller than that of the metal strip on the right side.
4. A power distribution cabinet for actively controlling a temperature field according to claim 3, wherein: the left side fixed connection inner tube B (19) of inner tube A (17), inner tube B (19) are in the same place through the sealing washer grafting with urceolus B (25), urceolus A (24) fixed connection push rod A (20), push rod A (20) pass bottom hinged joint lever (22) one side of inner tube A (17), the axle fixed connection inner tube A (17) of lever (22), hinged joint push rod B (21) is passed through to the opposite side of lever (22), push rod B (21) fixed connection urceolus B (25), lever (22) are slot hole with push rod A (20), the hole of push rod B (21) hinged joint position, the length direction of slot hole is parallel with lever (22).
5. The power distribution cabinet for actively controlling a temperature field according to claim 1, wherein: the lower part of the cabinet body (1) is provided with a fan (11), the fan (11) is connected with a one-way valve (12) arranged on the cabinet body (1), the top of the cabinet body (1) is provided with the one-way valve (12), and the upper part of the one-way valve (12) is covered with a filter screen (13).
6. The power distribution cabinet for actively controlling a temperature field according to claim 1, wherein: a heating element (14) is arranged in the cabinet body (1), and the heating element (14) is positioned at the bottom of the cabinet body (1).
7. The power distribution cabinet for actively controlling a temperature field according to claim 1, wherein: a guide pipe (6) is arranged on the cabinet body (1), and the guide pipe (6) is sleeved outside the heat pipe (3).
8. The power distribution cabinet for actively controlling a temperature field according to claim 1, wherein: the right side of the heat pipe (3) is connected with a cylinder sleeve (23) through a flange in a sealing way, and the piston (10) is in clearance fit with the cylinder sleeve (23) through a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310366607.0A CN116470411B (en) | 2023-04-03 | 2023-04-03 | Power distribution cabinet capable of actively controlling temperature field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310366607.0A CN116470411B (en) | 2023-04-03 | 2023-04-03 | Power distribution cabinet capable of actively controlling temperature field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116470411A true CN116470411A (en) | 2023-07-21 |
| CN116470411B CN116470411B (en) | 2023-11-03 |
Family
ID=87172828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310366607.0A Active CN116470411B (en) | 2023-04-03 | 2023-04-03 | Power distribution cabinet capable of actively controlling temperature field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116470411B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204128259U (en) * | 2014-08-22 | 2015-01-28 | 孙立祥 | Liquid cooling heat radiator |
| CN104851857A (en) * | 2015-04-28 | 2015-08-19 | 西安交通大学 | Chip cooling system |
| CN212435120U (en) * | 2020-07-21 | 2021-01-29 | 云南频控科技有限公司 | Frequency conversion control cabinet with anticorrosion effect |
| CN216058057U (en) * | 2021-09-27 | 2022-03-15 | 庞欣雨 | Heat radiator for information engineering rack is used |
| CN218632968U (en) * | 2022-11-09 | 2023-03-14 | 河南世通电气自动化控制有限公司 | Flame-proof type electric control box |
-
2023
- 2023-04-03 CN CN202310366607.0A patent/CN116470411B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204128259U (en) * | 2014-08-22 | 2015-01-28 | 孙立祥 | Liquid cooling heat radiator |
| CN104851857A (en) * | 2015-04-28 | 2015-08-19 | 西安交通大学 | Chip cooling system |
| CN212435120U (en) * | 2020-07-21 | 2021-01-29 | 云南频控科技有限公司 | Frequency conversion control cabinet with anticorrosion effect |
| CN216058057U (en) * | 2021-09-27 | 2022-03-15 | 庞欣雨 | Heat radiator for information engineering rack is used |
| CN218632968U (en) * | 2022-11-09 | 2023-03-14 | 河南世通电气自动化控制有限公司 | Flame-proof type electric control box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116470411B (en) | 2023-11-03 |
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Effective date of registration: 20230804 Address after: 163000 room 212, building S-5, phase II, Huaxi Yujing community, Longfeng District, Daqing City, Heilongjiang Province Applicant after: DAQING HUAERTONG ELECTRIC CONTROL EQUIPMENT Co.,Ltd. Address before: No. 30, Changqing Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province 325600 Applicant before: Chen Shengzhi Applicant before: Chen Yitong Applicant before: Meng Fankui |
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