CN107949241A - A kind of electric power equipment cabinet with heat sink - Google Patents
A kind of electric power equipment cabinet with heat sink Download PDFInfo
- Publication number
- CN107949241A CN107949241A CN201711135956.2A CN201711135956A CN107949241A CN 107949241 A CN107949241 A CN 107949241A CN 201711135956 A CN201711135956 A CN 201711135956A CN 107949241 A CN107949241 A CN 107949241A
- Authority
- CN
- China
- Prior art keywords
- heat
- electric power
- radiator
- power equipment
- dump
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
Abstract
A kind of electric power equipment cabinet with heat sink disclosed by the invention,Including cabinet,The cabinet is equipped with heat sink,The heat sink includes controller,Sensor and heat exchanger,The heat exchanger includes heat dump,Radiator,The first cooling fan on heat dump and the second cooling fan on radiator,The heat dump is respectively placed in the inner and outer of electric power equipment cabinet with radiator,Radiated using heat exchange method,Heat dump is by the heat transfer in electric power equipment cabinet to radiator,Heat is distributed by radiator,Reach the effect that cools,Heat exchange efficiency is high,And the temperature conditions in electric power equipment cabinet is detected by sensor,When temperature exceedes preset value,Control cooling fan work,Further improve heat dissipation effect,Radiate more efficient,And controller passes through the operating of frequency converter output control cooling fan,Output power can be adjusted in real time according to temperature variations in cabinet,Advantageously reduce energy consumption,More energy efficient environmental protection.
Description
Technical field
The present invention relates to cabinet, especially a kind of electric power equipment cabinet with heat sink.
Background technology
Electric power equipment cabinet is used to dispose electric control appliance, at present, the problem of electric power equipment cabinet generally existing temperature is excessive, temperature
Continue electric device reliability of operation in excessive easily influence cabinet.Common temperature control method has wind-cooling heat dissipating, air-conditioning temperature-reducing
Deng general fan blowing radiating efficiency is low, and cooling-down effect is undesirable；And air conditioner refrigerating cooling method high energy consumption, it is unfavorable for energy saving
Environmental protection.Therefore, the problem of reliable, efficient, inexpensive electric power equipment cabinet heat sink conception is presently the most concern is sought.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of electric power equipment cabinet with heat sink, it is more energy efficient reliable,
Radiating efficiency is high, and cool significant effect.
To achieve these goals, the technical solution adopted in the present invention is：
A kind of electric power equipment cabinet with heat sink, including cabinet, the cabinet are equipped with heat sink, the heat sink
Including controller, sensor and heat exchanger, the heat exchanger includes heat dump, radiator, the first cooling on heat dump
Fan and the second cooling fan on radiator, the heat dump and radiator be respectively placed in the inner side of electric power equipment cabinet with
Outside, and closing heat transfer loop is formed between heat dump and radiator, if the sensor includes being arranged on the inside of electric power equipment cabinet
Dry temperature sensor, the sensor are connected by bus with controller, first cooling fan and the second cooling fan
It is controlled by the controller, the controller is built-in with frequency converter.
Preferably, the upper end of the heat dump is equipped with upper header and lower end and is equipped with lower header, the radiator it is upper
End is equipped with lower collecting pipe equipped with upper collecting pipe and lower end, passes through some gaseous working mediums between the upper header and upper collecting pipe
Tube channel is connected, and is connected between the lower header and lower collecting pipe by some liquid refrigerant tube channels, the suction
Hot device in radiator with being filled with heat-transfer working medium.
Preferably, the suction that the heat dump includes some heat absorption micro-channel tubes and is entrained between heat absorption micro-channel tubes
Hot fin, the absorb heat radially connected upper header of micro-channel tubes and the lower header, it is micro- logical that the heat-transfer working medium is arranged on heat absorption
In deferent.
Preferably, the radiator include some heat dissipation micro-channel tubes and be entrained in heat dissipation micro-channel tubes between dissipate
Hot fin, the heat dissipation radially connected upper collecting pipe of micro-channel tubes and lower collecting pipe.
Preferably, the heat absorption micro-channel tubes pass through pricker respectively with heat absorbing fins and heat dissipation micro-channel tubes with radiating fin
Weldering connection sizing.
Preferably, seal isolation plate is equipped between the heat dump and radiator, the heat dump region forms interior
Circulation air path, the radiator region form outer circulating air duct, and first cooling fan is located in interior circulation air path, institute
The second cooling fan is stated to be located in outer circulating air duct.
Preferably, the controller senses inspection controller for multi way temperature.
Beneficial effects of the present invention：By adding heat sink on electric power equipment cabinet, radiated using heat exchange method,
Heat is distributed, reaches the effect that cools by heat dump by the heat transfer in electric power equipment cabinet to radiator by radiator
Fruit, heat exchange efficiency is high, and detects the temperature conditions in electric power equipment cabinet by sensor, and when temperature exceedes preset value, control is cold
But fan work, further improves heat dissipation effect, and heat dissipation is more efficient, and cooling-down effect is notable, advantageously ensures that power equipment is run
Stabilization, various failures and hidden danger for avoiding electric power equipment cabinet from being brought because thermal management is unstable, and controller is defeated by frequency converter
Go out to control the operating of cooling fan, output power can be adjusted in real time according to temperature variations in cabinet, advantageously reduce energy consumption,
More energy efficient environmental protection.
Brief description of the drawings
The embodiment of the present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is principle schematic of the present invention in heat sink；
Fig. 2 is the structure diagram of heat exchanger in the present invention；
Fig. 3 is the structure diagram of heat dump side in the present invention.
Embodiment
Referring to Fig. 1, a kind of electric power equipment cabinet with heat sink provided by the invention, including cabinet, the cabinet are equipped with
Heat sink, the heat sink include controller, sensor and heat exchanger, wherein, heat exchanger includes heat dump 1, radiator
2nd, the first cooling fan 6 on heat dump 1 and the second cooling fan 7 on radiator 2, heat dump 1 and heat dissipation
Device 2 is respectively placed in the inner and outer of electric power equipment cabinet, and closing heat transfer loop, the biography are formed between heat dump 1 and radiator 2
Sensor includes being arranged on several temperature sensors on the inside of electric power equipment cabinet, and temperature sensor is uniformly distributed in electric power equipment cabinet and logical
On telecommunications services device, sensor is connected by bus with controller, and the first cooling fan 6 and the second cooling fan 7 are controlled by described
Controller.Wherein, controller senses inspection controller for multi way temperature.In the embodiment, designed for electric power equipment cabinet, the drop
Warm device may be mounted on the wall of electric power equipment cabinet or on machine room door.In the present embodiment, heat sink is installed by frame
On machine room door.Radiated using heat exchange method, heat dump 1 to radiator 2, passes through the heat transfer in electric power equipment cabinet
Radiator 2 distributes heat, reaches the effect that cools, and heat exchange efficiency is high, and is detected by sensor in electric power equipment cabinet
Temperature conditions, when temperature exceedes preset value, control cooling fan work, further improves heat dissipation effect, and heat dissipation is more efficient,
Cooling-down effect is notable, advantageously ensures that the stabilization of power equipment operation, avoids what electric power equipment cabinet was brought because thermal management is unstable
Various failures and hidden danger；Realization and remote terminal connecting communication, monitor the operating temperature of electric power equipment cabinet in real time, are sent out when temperature is excessive
Go out high temperature warning.
Referring to Fig. 2 and 3, in embodiment, the upper end of heat dump 1 is equipped with upper header 13 and lower end is equipped with lower header 14,
The upper end of the radiator 2 is equipped with upper collecting pipe 21 and lower end is equipped with lower collecting pipe 22, the upper header 13 and upper collecting pipe
It is connected between 21 by some gaseous working medium tube channels 3, by some between the lower header 14 and lower collecting pipe 22
Bar liquid refrigerant tube channel 4 is connected, filled with meeting by thermal evaporation heat-transfer working medium in the heat dump 1.When in electric power equipment cabinet
After air stream is by heat dump 1, heat transfer to heat-transfer working medium and is allowed to gasify by heat dump 1, and the heat-transfer working medium of gasification is through gaseous state
Working medium passage pipe 3 enters radiator 2, and after outer cold air takes away the heat in radiator 2, heat-transfer working medium liquefies and made by gravity
With reflux, it is flow to through liquid refrigerant tube channel 4 in lower header 14, according to this reciprocation cycle, heat exchange efficiency is high, and heat dissipation is more efficient,
Arrow show air flow direction in attached drawing.
Specifically, heat dump 1 includes some heat absorption micro-channel tubes 11 and is entrained between heat absorption micro-channel tubes 11
Heat absorbing fins 12, are specifically, heat absorption micro-channel tubes 11 length direction at a certain distance along upper and lower header arranged radially,
And in the compartment hole that the termination insertion for the micro-channel tubes 11 that absorb heat is arranged on upper and lower header 14 respectively, while inhaling
Sandwich heat absorbing fins 12 between hot micro-channel tubes 11, and through tie up it is fixed-type after be brazed sizing, to form the heat absorption of heat dump 1
Core, the heat-transfer working medium are arranged in heat absorption micro-channel tubes 11, and heat-transfer working medium is also filled with lower header 14, so hot
Transmission effect is more preferable.
Meanwhile the radiating fin that radiator 2 includes some heat dissipation micro-channel tubes and is entrained between heat dissipation micro-channel tubes
Piece, radiator 2 is similar to the production method of heat dump 1, forms the radiating core of radiator 2, and the tool of radiator 2 is not shown in attached drawing
Body structure, radiating fin are made using aluminium, and heat dissipation effect is notable.
In embodiment, the both ends of gaseous working medium tube channel 3 are welded with upper header 13 and upper collecting pipe 21 respectively, liquid work
Welded respectively with lower header 14 and lower collecting pipe 22 at the both ends of matter tube channel 4.Wherein, the making of gaseous working medium tube channel 3
Cheng Shi, on the radial direction tube wall of upper header 13 and upper collecting pipe 21, along a straight of the quantity such as the opposite symmetrical machining of a certain angle
Footpath is the circular hole of R, and the pipe of certain length is respectively welded at circular hole, which is the gaseous working medium of heat-transfer working medium
Tube channel 3.Liquid refrigerant tube channel 4 is similar to the production method of gaseous working medium tube channel 3.Welded in liquid refrigerant tube channel 4
After the completion of, the circular hole of one minor diameter of Drilling operation in a certain bar liquid refrigerant tube channel 4, while a minor diameter is welded here
Fixed length copper pipe and while heat dump 1 and radiator 2 are vacuumized by the copper pipe, inject a certain amount of heat-transfer working medium, so
Fixed length copper pipe is pressed from both sides into flat welded seal afterwards, so completes the encapsulation of heat-transfer working medium.
In order to effectively improve heat transfer effect, seal isolation plate 5 is set between heat dump 1 and radiator 2, and is consequently formed
Relatively independent, sealing heat sink region and heat dissipation region；Heat sink region where heat dump 1 forms interior circulation air path, radiator 2
Place heat dissipation region forms outer circulating air duct, and first cooling fan 6 is located in interior circulation air path, second cooling fan
7 in outer circulating air duct.
When electric power machine in-cabinet temperature is excessive, the first cooling fan 6 and the intervention work of the second cooling fan, the first cooling wind
After hot-air in the suction electric power equipment cabinet of fan 6, heat absorbing fins 12, which absorb heat and are conducted to heat absorption micro-channel tubes 11, to be caused in its cavity
Heat-transfer working medium gasification, heat-transfer working medium after gasification passes through the upper collecting pipe 21 that gaseous working medium tube channel 3 enters radiator 2；So
Heat dissipation micro-channel tubes and the radiating fin heat being conducted to afterwards on radiator 2, at this time the second cooling on radiator 2
Fan 7 sucks the Cryogenic air outside cabinet, by cooling down radiating fin and heat dissipation micro-channel tubes, causes the microchannel tube chamber that radiates
Internal heat-transfer working medium gas cools down and is allowed to condense, and condensed liquid enters liquid refrigerant tube channel along heat dissipation micro-channel tubes
4 and converge with lower header 14；The heat-transfer working medium under the action of the heat, cold air stream of heat dump 1 and radiator 2, constantly with
The reciprocal natural circulation mode of liquid-gas-liquid, air is constantly cooled in such electric power equipment cabinet cavity, reaches the effect that cools.
During installation, the blowing direction of the first above-mentioned cooling fan 6 is perpendicular to the plane where heat dump 1, the second cooling
The blowing direction of fan 7 perpendicular to the plane where radiator 2, i.e., fan blade rotation axis respectively with heat dump 1 and radiator 2
Core plane it is vertical, therefore enhance the efficiency of heat exchange.First cooling fan 6 and the second cooling fan 7 can design peace
In the gap among heat dump 1 and radiator 2, when fan is when breaking down, it can take out in gap, carry out
Safeguard or replace.In addition, setting standby battery in computer room, when there is power supply trouble, switching storage battery is cooled down to first
6 and second cooling fan 7 of fan is powered, and the stabilization of electric power equipment cabinet operating temperature is effectively ensured.
The above, is presently preferred embodiments of the present invention, the invention is not limited in the above embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to protection scope of the present invention.
Claims (7)
1. a kind of electric power equipment cabinet with heat sink, including cabinet, the cabinet is equipped with heat sink, it is characterised in that：Institute
Stating heat sink includes controller, sensor and heat exchanger, and the heat exchanger includes heat dump, radiator, on heat dump
The first cooling fan and the second cooling fan on radiator, the heat dump and radiator be respectively placed in electric power machine
The inner and outer of cabinet, and closing heat transfer loop is formed between heat dump and radiator, the sensor includes being arranged on electric power machine
Several temperature sensors on the inside of cabinet, the sensor are connected by bus with controller, first cooling fan and the
Two cooling fans are controlled by the controller, and the controller is built-in with frequency converter.
2. the electric power equipment cabinet according to claim 1 with heat sink, it is characterised in that：The upper end of the heat dump is equipped with
Upper header and lower end are equipped with lower header, and the upper end of the radiator is equipped with upper collecting pipe and lower end is equipped with lower collecting pipe, institute
State and be connected between header and upper collecting pipe by some gaseous working medium tube channels, the lower header and lower collecting pipe
Between be connected by some liquid refrigerant tube channels, be filled with heat-transfer working medium in the heat dump and radiator.
3. the electric power equipment cabinet according to claim 2 with heat sink, it is characterised in that：The heat dump includes some
Heat absorption micro-channel tubes and the heat absorbing fins being entrained between heat absorption micro-channel tubes, the heat absorption radially connected upper collection of micro-channel tubes
Flow tube and lower header, the heat-transfer working medium are arranged in heat absorption micro-channel tubes.
4. the electric power equipment cabinet according to claim 3 with heat sink, it is characterised in that：The radiator includes some
Heat dissipation micro-channel tubes and the radiating fin being entrained between heat dissipation micro-channel tubes, the heat dissipation radially connected upper remittance of micro-channel tubes
Flow tube and lower collecting pipe.
5. the electric power equipment cabinet according to claim 4 with heat sink, it is characterised in that：The heat absorption micro-channel tubes are with inhaling
Hot fin and heat dissipation micro-channel tubes are shaped by soldering connection respectively with radiating fin.
6. according to any electric power equipment cabinets with heat sink of claim 1-5, it is characterised in that：The heat dump is with dissipating
Seal isolation plate is equipped between hot device, the heat dump region forms interior circulation air path, radiator region shape
Into outer circulating air duct, first cooling fan is located in interior circulation air path, and second cooling fan is located at outer circulating air duct
It is interior.
7. the electric power equipment cabinet according to claim 6 with heat sink, it is characterised in that：The controller is multi way temperature
Sense inspection controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711135956.2A CN107949241A (en) | 2017-11-16 | 2017-11-16 | A kind of electric power equipment cabinet with heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711135956.2A CN107949241A (en) | 2017-11-16 | 2017-11-16 | A kind of electric power equipment cabinet with heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107949241A true CN107949241A (en) | 2018-04-20 |
Family
ID=61931419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711135956.2A Pending CN107949241A (en) | 2017-11-16 | 2017-11-16 | A kind of electric power equipment cabinet with heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107949241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117500242A (en) * | 2023-11-20 | 2024-02-02 | 联达(广东)信息科技股份有限公司 | Cabinet radiator and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167249A (en) * | 1996-03-29 | 1997-12-10 | 株式会社电装 | Cooling device by use of boiling and condensing refrigerant |
| US20010042614A1 (en) * | 2000-05-19 | 2001-11-22 | Yoshiyuki Okamoto | Boiling cooling system that exchanges heat between higher-temperature fluid and lower-temperature fluid |
| CN201289187Y (en) * | 2008-08-26 | 2009-08-12 | 许红飞 | Heat exchanger |
| CN101819000A (en) * | 2010-04-23 | 2010-09-01 | 南京工业大学 | Split phase change heat exchanger |
| CN202814179U (en) * | 2012-08-22 | 2013-03-20 | 浙江康盛热交换器有限公司 | Heat pipe heat exchanger used in cooling system of communication machine room |
| CN105682426A (en) * | 2016-03-21 | 2016-06-15 | 何祉欣 | Heat-exchanging apparatus suitable for communication base station machine cabinet |
-
2017
- 2017-11-16 CN CN201711135956.2A patent/CN107949241A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167249A (en) * | 1996-03-29 | 1997-12-10 | 株式会社电装 | Cooling device by use of boiling and condensing refrigerant |
| US20010042614A1 (en) * | 2000-05-19 | 2001-11-22 | Yoshiyuki Okamoto | Boiling cooling system that exchanges heat between higher-temperature fluid and lower-temperature fluid |
| CN201289187Y (en) * | 2008-08-26 | 2009-08-12 | 许红飞 | Heat exchanger |
| CN101819000A (en) * | 2010-04-23 | 2010-09-01 | 南京工业大学 | Split phase change heat exchanger |
| CN202814179U (en) * | 2012-08-22 | 2013-03-20 | 浙江康盛热交换器有限公司 | Heat pipe heat exchanger used in cooling system of communication machine room |
| CN105682426A (en) * | 2016-03-21 | 2016-06-15 | 何祉欣 | Heat-exchanging apparatus suitable for communication base station machine cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117500242A (en) * | 2023-11-20 | 2024-02-02 | 联达(广东)信息科技股份有限公司 | Cabinet radiator and control method thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |