CN202050625U - Radiating system of power electronic equipment - Google Patents
Radiating system of power electronic equipment Download PDFInfo
- Publication number
- CN202050625U CN202050625U CN 201120069000 CN201120069000U CN202050625U CN 202050625 U CN202050625 U CN 202050625U CN 201120069000 CN201120069000 CN 201120069000 CN 201120069000 U CN201120069000 U CN 201120069000U CN 202050625 U CN202050625 U CN 202050625U
- Authority
- CN
- China
- Prior art keywords
- air channel
- air
- heat exchanger
- equipment
- power electronic
- 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.)
- Expired - Lifetime
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Classifications
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- 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
- H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
- H05K7/20609—Air circulating in closed loop within cabinets wherein heat is removed through air-to-liquid heat-exchanger
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- 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
The utility model discloses a radiating system of power electronic equipment. The radiating system comprises an equipment cabinet body, a liquid cooling heat exchanger, a fan, a heating component installing region, a system air channel and an equipment heating component; wherein the liquid cooling heat exchanger fan, the heating component installing region, the system air channel and the equipment heating component are arranged in the equipment cabinet body; the air inlet end and the air outlet end of the system air channel are connected with the heating component installing region to form a circulation passage; the parts of the system air channel except the air inlet end and the air outlet end are isolated from the heating component installing region; and the liquid cooling heat exchanger comprises an air inlet and an air outlet and is arranged at the air inlet end or the air outlet end of the system air channel or in the system air channel so that the air current flowing through the system air channel can run through the air channel of the heat exchanger. The fan is arranged at the air inlet end or the air outlet end of the system air channel or in the system air channel, or arranged at the air inlet end and the air outlet end of the system air channel at the same time, so that the air current flowing through the system air channel can run through the fan. The radiating system has high radiating efficiency and compact structure, thereby meeting the radiation and volume requirements of the power electronic equipment with high power grade; dust and salt mist can be prevented; the safety of the equipment can be improved; the service life of the equipment can be prolonged; and the manufacturing cost of the equipment can be benefit to reducing.
Description
Technical field
The utility model relates to a kind of cooling system, is specifically related to a kind of power electronic equipment cooling system.
Background technology
Along with the fast development of industry, the large-scale power electronic equipment in the application of every profession and trade more and more widely, power grade is more and more higher, and is also more and more to the restriction of equipment volume.The high power loss of power electronic device under the high power level condition of work will produce a large amount of heat, make the power electronic device temperature rise very high.Because device temperature is one of the key factor in restriction power electronic device useful life, device temperature is high more, its useful life is short more, and therefore, the heat dispersion of power electronic equipment cooling system becomes one of key factor that influences power electronic equipment useful life.The design of power electronic equipment cooling system is more and more important under high power level and high power density dual requirements, becomes a bottleneck problem of large-scale power electronic equipment development.
At present, the radiating mode of power electronic equipment mainly adopts natural heat dissipation, methods such as wind-cooling heat dissipating and liquid cooling heat radiation.The external surface area that natural heat dissipation mainly relies on power electronic equipment is realized heat radiation to the thermal radiation of surrounding air.Wind-cooling heat dissipating is actually a kind of method of forcing thermal convection, the air channel that mainly relies on a fan and a definite form with power electronic equipment inside than the exchanging of hot-air and device external than cold air, thereby reach the purpose that reduces the device interior temperature.The main dependence of liquid cooling heat radiation liquid cooling heat radiator is realized the heat radiation to power electronic equipment.
There is following defective in the existing radiating mode of power electronic equipment:
1, natural heat dissipation is to increase the cooling surface area of equipment to strengthen radiating effect by increase methods such as radiator at device outer surface, because the heat-sinking capability of natural heat dissipation structure is limited, adopt the power electronic equipment of natural heat dissipation often bulky, be unfavorable for the optimization of equipment volume, cause equipment cost significantly to increase simultaneously, be difficult to satisfy of the control requirement of large-scale power electronic equipment volume and cost;
2, wind-cooling heat dissipating mainly depend on the pressure that makes power electronic equipment inner air and extraneous air exchange realize the heat radiation, in the air exchange inside and outside equipment, usually harmful substances such as the dirt of device external, salt fog are brought into power electronic equipment inside, cause corrosion of device interior device and dust lamination, cause the infringement of power electronic device.Particularly in dust storm or the more area of salt fog, wind-cooling heat dissipating is particularly outstanding to the adverse effect of power electronic equipment.Problems such as in addition, wind-cooling heat dissipating also exists the air channel design complicated, and heat-sinking capability is limited, and the power electronic equipment volume is still bigger;
3, the radiator of liquid cooling heat radiation directly contacts heat radiation to the heater members of device interior, in case the pipeline of radiator leaks, the water with conductivity causes damage to causing the power electronic equipment short circuit.
The utility model content
The technical problems to be solved in the utility model is, a kind of power electronic equipment cooling system is provided, and overcomes the above-mentioned defective that existing heat dissipation technology exists, and satisfies the requirement of power electronic equipment high power level and high power density.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of power electronic equipment cooling system, comprise the equipment cabinet and be arranged on the interior equipment heating parts of this equipment cabinet, it is characterized in that, also comprise liquid cooling heat exchanger, blower fan, heat generating components installing zone and system air channel, the air intake in this system air channel is connected this heat generating components installing zone and forms circulation canal with outlet air end, this system air channel part except that described air intake and outlet air end is isolated with this heat generating components installing zone;
Described equipment heating parts are installed in this heat generating components installing zone;
Described liquid cooling heat exchanger comprises air inlet and the air outlet that is communicated with by the heat exchanger air channel of running through this liquid cooling heat exchanger, this liquid cooling heat exchanger is installed in the air intake or outlet air end or described system air channel in described system air channel, makes the distinguished and admirable described heat exchanger air channel of flowing through in the described system air channel of flowing through;
Described blower fan is installed in the air intake in described system air channel or outlet air end or the described system air channel or is installed in the air intake and the outlet air end in described system air channel simultaneously, makes the distinguished and admirable described blower fan of flowing through in the described system air channel of flowing through.
In power electronic equipment cooling system of the present utility model, described blower fan comprises blower fan A and blower fan B, described blower fan A is centrifugal blower and is installed in described system air channel air intake, described blower fan B is axial flow blower and is installed in described system air channel outlet air end, described liquid cooling heat exchanger is installed in described system air channel outlet air end, and the air outlet that the air inlet of described blower fan B connects the air outlet of described liquid cooling heat exchanger or described blower fan B connects the air inlet of described liquid cooling heat exchanger.
In power electronic equipment cooling system of the present utility model, described heat generating components installing zone is surrounded by the both sides sidewall paneling of installing zone base plate, described equipment cabinet and back vertical plate and forms, and described system air channel is surrounded by the side wall construction of the squab panel of described equipment cabinet, the dividing plate of equipment cabinet, described installing zone base plate, described back vertical plate and described equipment cabinet and formed.
In power electronic equipment cooling system of the present utility model, described heat generating components installing zone is surrounded by installing zone base plate, described equipment cabinet squab panel, described equipment cabinet body door and back vertical plate and forms, and described system air channel is surrounded by the rear wall structure of the sidewall paneling of described equipment cabinet one side, the dividing plate of equipment cabinet, described installing zone base plate, described back vertical plate, described equipment cabinet and door end structure and formed.
In power electronic equipment cooling system of the present utility model, described liquid cooling heat exchanger links to each other with the ventilation hole of this baffle plate with air inlet one side or air outlet one side and is connected on this baffle plate.
In power electronic equipment cooling system of the present utility model, described liquid cooling heat exchanger is arranged on the bottom of described equipment cabinet.
In power electronic equipment cooling system of the present utility model, described equipment cabinet is the sealing cabinet.
Implement power electronic equipment cooling system of the present utility model, compared with the prior art, its beneficial effect is:
1. adopt ventilation and heat to combine with the liquid cooling heat radiation, utilize liquid cooling heat radiator that the heat in the rack is taken away, reduce the cooling airflow temperature, the circulation distinguished and admirable by low temperature improves radiating efficiency, while cooling system compact conformation, it is little to take up room, and the heat radiation of satisfying the high power level power electronic equipment requires and reduce the requirement of equipment volume;
2. adopt the self-loopa of rack inner air to dispel the heat, need not to exchange with the rack extraneous air, equipment can adopt hermetically-sealed construction, has prevented the infringement that adverse factors such as device external dust, salt fog cause equipment inner structure, the fail safe and the useful life of having improved equipment;
3. be beneficial to and reduce the device fabrication cost.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the internal structure stereogram of a kind of embodiment of the utility model power electronic equipment cooling system.
Fig. 2 is the end view after the utility model power electronic equipment cooling system Fig. 1 embodiment removes the equipment side plate.
Fig. 3 is the internal structure stereogram after the utility model power electronic equipment cooling system Fig. 1 embodiment removes equipment side plate and appliance doors.
Fig. 4 is the exploded perspective view of liquid cooling heat radiator and blower fan in the utility model power electronic equipment cooling system.
Fig. 5 is the internal structure stereogram that the utility model power electronic equipment cooling system Fig. 1 embodiment removes equipment side plate and equipment squab panel.
Fig. 6 is the exploded perspective view of centrifugal blower structure in the utility model power electronic equipment cooling system.
Fig. 7 is the front view after the utility model power electronic equipment cooling system Fig. 1 embodiment removes appliance doors.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 5, shown in Figure 7, power electronic equipment cooling system of the present utility model comprises equipment cabinet 100 and the equipment heating parts 200, liquid cooling heat exchanger 3, blower fan 1,2, heat generating components installing zone and the system air channel that are arranged in this equipment cabinet 100.The air intake in system air channel is connected the heat generating components installing zone and forms circulation canal with outlet air end, the system air channel except air intake and outlet air end, other parts and heat generating components installing zone isolated (promptly stuffy).
In the present embodiment, the heat generating components installing zone is surrounded by the both sides sidewall paneling 14 of installing zone base plate 6, equipment cabinet and back vertical plate 5 and forms; The system air channel is surrounded by the side wall construction (mainly being the corner structure of sidewall in the present embodiment) of dividing plate 8, installing zone base plate 6, back vertical plate 5 and the equipment cabinet of the squab panel 9 of equipment cabinet, equipment cabinet and is formed.In other embodiments, the heat generating components installing zone can be surrounded by installing zone base plate 6, equipment cabinet squab panel 9, equipment cabinet body door 7 and back vertical plate 6 and form; Correspondingly, the system air channel can be surrounded by the rear wall structure (mainly being the corner structure of sidewall) of the dividing plate 8 of the sidewall paneling 14 of equipment cabinet one side, equipment cabinet, installing zone base plate 6, back vertical plate 6, equipment cabinet and door end structure (mainly being the corner structure of an end) and form.In other embodiments, according to the layout needs of equipment inner structure, can also adopt other heat generating components installing zone structure and system's air channel structure.
Liquid cooling heat exchanger 3 comprises air inlet and air outlet, and the air inlet of liquid cooling heat exchanger and air outlet are communicated with by the heat exchanger air channel of running through the liquid cooling heat exchanger.
In the present embodiment, liquid cooling heat exchanger 3 is installed in the outlet air end in system air channel.In other embodiments, liquid cooling heat exchanger 3 can be installed in the air intake in system air channel, also can be installed in the system air channel.As Fig. 2, shown in Figure 5, when liquid cooling heat exchanger 3 is installed, baffle plate 4 is set usually, sidewall with the system air channel around the baffle plate 4 is tightly connected, the baffle plate middle part is provided with ventilation hole, liquid cooling heat exchanger 4 links to each other with the ventilation hole of baffle plate with air inlet one side and is connected (in other embodiments, liquid cooling heat exchanger 4 can link to each other with the ventilation hole of baffle plate with air outlet one side and be connected on the baffle plate) on the baffle plate, and the distinguished and admirable heat exchanger air channel of flowing through in the feasible system air channel of flowing through is carried out heat exchange and reduced airflow temperature.
In the present embodiment, blower fan 1 is installed in the air intake in system air channel, and blower fan 2 is installed in the outlet air end in system air channel.In other embodiments, can be only at the air intake or the outlet air end in system air channel or in the system air channel, blower fan is set, also can be in the system air channel and the air intake or the outlet air end in system air channel blower fan is set simultaneously.During installation, the installation baffle plate of band ventilation hole can be set, blower fan is installed on the baffle plate, make the distinguished and admirable blower fan of flowing through in the system air channel of flowing through.Also blower fan can be installed on liquid cooling heat exchanger air intake side or the outlet air end (as shown in Figure 4).The quantity of blower fan is provided with as required, in the present embodiment, is provided with eight typhoon machines.In other embodiments, as required, can increase or reduce blower fan quantity.
According to the structure needs of installation site, blower fan can adopt centrifugal blower or axial flow blower.Blower fan 1 in the present embodiment is a centrifugal blower, and blower fan 2 is an axial flow blower.The centrifugal blower structure can design as required, as shown in Figure 6, in the present embodiment, centrifugal blower 1 adopts housing 11,12 and motor that is installed in housing 11,12 inside and the blade 13 that cooperatively interacts, air inlet is arranged on the sidewall of housing 11, the center of motor and blade 13 is over against air inlet, and air outlet is arranged on the lower end of housing 11,12, is positioned on the circumferential edge of motor and blade 13.
In the present embodiment, liquid cooling heat exchanger 3 is arranged on the bottom of equipment cabinet.In the time of can avoiding revealing equipment in the cabinet is brought hidden danger because of liquid cooling heat exchanger fault, in other embodiments, according to the structure needs, liquid cooling heat exchanger 3 can be arranged on other positions of equipment cabinet, as middle part or top etc., all can realize basic goal of the invention of the present utility model.
In order to prevent that adverse factors such as device external dust, salt fog from causing damage to equipment inner structure, the equipment cabinet adopts the enclosures body structure.Certainly, the equipment cabinet adopts non-enclosures body structure, does not influence the realization of the basic goal of the invention of the utility model.
Claims (7)
1. power electronic equipment cooling system, comprise the equipment cabinet and be arranged on the interior equipment heating parts of this equipment cabinet, it is characterized in that, also comprise liquid cooling heat exchanger, blower fan, heat generating components installing zone and system air channel, the air intake in this system air channel is connected this heat generating components installing zone and forms circulation canal with outlet air end, this system air channel part except that described air intake and outlet air end is isolated with this heat generating components installing zone;
Described equipment heating parts are installed in this heat generating components installing zone;
Described liquid cooling heat exchanger comprises air inlet and the air outlet that is communicated with by the heat exchanger air channel of running through this liquid cooling heat exchanger, this liquid cooling heat exchanger is installed in the air intake or outlet air end or described system air channel in described system air channel, makes the distinguished and admirable described heat exchanger air channel of flowing through in the described system air channel of flowing through;
Described blower fan is installed in the air intake in described system air channel or outlet air end or the described system air channel or is installed in the air intake and the outlet air end in described system air channel simultaneously, makes the distinguished and admirable described blower fan of flowing through in the described system air channel of flowing through.
2. power electronic equipment cooling system as claimed in claim 1, it is characterized in that, described blower fan comprises blower fan A and blower fan B, described blower fan A is centrifugal blower and is installed in described system air channel air intake, described blower fan B is axial flow blower and is installed in described system air channel outlet air end, described liquid cooling heat exchanger is installed in described system air channel outlet air end, and the air outlet that the air inlet of described blower fan B connects the air outlet of described liquid cooling heat exchanger or described blower fan B connects the air inlet of described liquid cooling heat exchanger.
3. power electronic equipment cooling system as claimed in claim 1, it is characterized in that, described heat generating components installing zone is surrounded by the both sides sidewall paneling of installing zone base plate, described equipment cabinet and back vertical plate and forms, and described system air channel is surrounded by the side wall construction of the squab panel of described equipment cabinet, the dividing plate of equipment cabinet, described installing zone base plate, described back vertical plate and described equipment cabinet and formed.
4. power electronic equipment cooling system as claimed in claim 1, it is characterized in that, described heat generating components installing zone is surrounded by installing zone base plate, described equipment cabinet squab panel, described equipment cabinet body door and back vertical plate and forms, and described system air channel is surrounded by the rear wall structure of the sidewall paneling of described equipment cabinet one side, the dividing plate of equipment cabinet, described installing zone base plate, described back vertical plate, described equipment cabinet and door end structure and formed.
5. power electronic equipment cooling system as claimed in claim 1, it is characterized in that, comprise baffle plate, be tightly connected with described system air channel sidewall around this baffle plate, this baffle plate middle part comprises that ventilation hole, described liquid cooling heat exchanger link to each other with the ventilation hole of this baffle plate with air inlet one side or air outlet one side and is connected on this baffle plate.
6. as the described power electronic equipment cooling system of one of claim 1 to 5, it is characterized in that described liquid cooling heat exchanger is arranged on the bottom of described equipment cabinet.
7. power electronic equipment cooling system as claimed in claim 6 is characterized in that, described equipment cabinet is the sealing cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120069000 CN202050625U (en) | 2011-03-16 | 2011-03-16 | Radiating system of power electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120069000 CN202050625U (en) | 2011-03-16 | 2011-03-16 | Radiating system of power electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050625U true CN202050625U (en) | 2011-11-23 |
Family
ID=44990915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120069000 Expired - Lifetime CN202050625U (en) | 2011-03-16 | 2011-03-16 | Radiating system of power electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202050625U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892265A (en) * | 2012-09-25 | 2013-01-23 | 许继集团有限公司 | Power electronic equipment, cabinet body thereof and cabinet door of cabinet body |
| CN104470328A (en) * | 2014-11-27 | 2015-03-25 | 无锡市豫达换热器有限公司 | Electric cabinet cooling device |
| CN106163242A (en) * | 2016-08-31 | 2016-11-23 | 杭州华为数字技术有限公司 | A kind of rack heat-exchange system and server |
| CN111565542A (en) * | 2020-04-29 | 2020-08-21 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Electronic equipment high heat conduction air-cooled frame |
-
2011
- 2011-03-16 CN CN 201120069000 patent/CN202050625U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892265A (en) * | 2012-09-25 | 2013-01-23 | 许继集团有限公司 | Power electronic equipment, cabinet body thereof and cabinet door of cabinet body |
| CN102892265B (en) * | 2012-09-25 | 2016-02-03 | 许继电气股份有限公司 | The cabinet door of power electronic equipment and cabinet and cabinet |
| CN104470328A (en) * | 2014-11-27 | 2015-03-25 | 无锡市豫达换热器有限公司 | Electric cabinet cooling device |
| CN106163242A (en) * | 2016-08-31 | 2016-11-23 | 杭州华为数字技术有限公司 | A kind of rack heat-exchange system and server |
| CN106163242B (en) * | 2016-08-31 | 2019-05-28 | 杭州华为数字技术有限公司 | A kind of cabinet heat-exchange system and server |
| CN111565542A (en) * | 2020-04-29 | 2020-08-21 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Electronic equipment high heat conduction air-cooled frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HOPEWIND ELECTRIC CO., LTD. Free format text: FORMER NAME: SHENZHEN HEWANG ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili town village official Liuzhou Industrial Zone No. 5 Building second layer 1-3 Patentee after: Shenzhen's standing grain hopes electric limited company Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town, Dragon Village Second Industrial District 5 Building 5 floor Patentee before: Shenzhen Hewang Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |