CN107509370B - Reactive-load compensation method - Google Patents
Reactive-load compensation method Download PDFInfo
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- CN107509370B CN107509370B CN201710831768.7A CN201710831768A CN107509370B CN 107509370 B CN107509370 B CN 107509370B CN 201710831768 A CN201710831768 A CN 201710831768A CN 107509370 B CN107509370 B CN 107509370B
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- heat
- extensible member
- bellows
- cabinet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
This patent belongs to reactive power compensation technology field, the technical issues of present invention cannot carry out specific aim heat dissipation to power module for existing reactive compensation system, provide a kind of reactive-load compensation method that heat dissipation specific aim is good, including following content: S1: power module is in use, generate a large amount of heat, so that the temperature of cabinet increases, i.e., the temperature of heat-dissipating space increases；S2: thermally conductive sheet can communicate the temperature on extensible member, start to expand after due to extensible member there is the attribute of heat expansion, extensible member to be heated, sealing plate moves upwards under the promotion of extensible member；S3: sealing plate, which moves upwards, causes bellows to shrink, and bellows can squeeze out the silicone oil in bellows after shrinking out of bellows, and silicone oil enters in heat-dissipating space under the promotion of extensible member.Silicone oil is contacted with the power module in heat-dissipating space；S4: after silicone oil is to power module heat dissipation, the temperature of the corresponding heat-dissipating space of the power module declines, and the heat that thermally conductive sheet is transmitted to extensible member is reduced.
Description
Technical field
The present invention relates to reactive power compensation technology fields, and in particular to a kind of reactive-load compensation method.
Background technique
Reactive compensation, full name reactive power compensation are a kind of power factors for rising in power supply system and improving power grid
Effect, reduce the loss of supply transformer and conveying circuit, improve power supply efficiency, improve the technology of power supply environment.So nothing
Reactive power compensation device is in an indispensable very important position in power supply system.
In the specific application process generally using air cooling or water cooling.For the angle of heat dissipation, water cooling is very
Preferably.But water circulation system technique requires high, installation is complicated, and maintenance workload is big, once and leak, peace can be brought
Full hidden danger.Thus it is possible to which the cooling occasion solved the problems, such as of enough air, just not use water cooling.It must solve to cool down using water cooling
The reliability of system and corrosion two large problems when the purity and longtime running of water.In short, exploitation and selection novel efficient radiating skill
Art cools down power electronic equipment, is an important measures for guaranteeing device reliability and reducing equipment volume.
In the prior art, reactive-load compensation method be usually be directed to three phases be designed with power compensation, in each phase
Inside is equipped with several power modules, and power module heat dissipation performance will directly affect the steady of reactive compensation system (device) operation
It is qualitative.Present reactive-load compensation method is usually to carry out unified heat dissipation to power module, i.e., a set of cooling system is simultaneously to several function
Rate module radiates, but there is a problem of that heat dissipation is uneven, i.e., some temperature of power module it is excessively high in the case where, cannot be directed to
Property radiate to it, influence the service life of the undesirable power modules of certain heat dissipations.
Summary of the invention
The technical issues of present invention cannot carry out specific aim heat dissipation to power module for existing reactive compensation system, mentions
A kind of reactive-load compensation method that heat dissipation specific aim is good is supplied.
Base case provided by the invention are as follows: reactive-load compensation method is realized by following reactive compensation system, described idle
Compensation system includes cabinet and several power modules；Several power modules are installed in cabinet, are equipped in cabinet by several function
The baffle that rate module separates, it is empty that inner space of cabinet is separated into several independent heat dissipations as unit of power module by baffle
Between；The bottom of cabinet is equipped with the through-hole of connection corresponding with heat-dissipating space；
The lower section of cabinet is equipped with pedestal, and pedestal is fixedly connected with cabinet, and the wave for filling silicone oil is equipped between pedestal and through-hole
Line pipe, the lower end of bellows are equipped with the sealing plate of sylphon seal, and bellows is connected to heat-dissipating space respectively by through-hole；Sealing plate
Lower section be equipped with the extensible member of heat expansion, one end of extensible member connect with pedestal, and the other end of extensible member is connect with sealing plate,
Heat-dissipating space, bellows and extensible member correspond；
Several thermally conductive sheets corresponding with heat-dissipating space are installed on the outside of cabinet, one end of thermally conductive sheet is located at heat-dissipating space
Outside, the other end of thermally conductive sheet are contacted with corresponding extensible member；
The reactive-load compensation method includes following content:
S1: power module in use, generates a large amount of heat, so that the temperature of cabinet increases, i.e. heat-dissipating space
Temperature increase；
S2: thermally conductive sheet can communicate the temperature on extensible member, due to extensible member have heat expansion attribute, extensible member by
Start to expand after heat, sealing plate moves upwards under the promotion of extensible member；
S3: sealing plate, which moves upwards, causes bellows to shrink, and bellows can be by the silicone oil in bellows from bellows after shrinking
Interior extrusion, silicone oil enter in heat-dissipating space under the promotion of extensible member.Silicone oil is contacted with the power module in heat-dissipating space；
S4: after silicone oil is to power module heat dissipation, the temperature of the corresponding heat-dissipating space of the power module declines, and thermally conductive sheet passes
The heat for being delivered to extensible member is reduced, and extensible member is shunk, and bellows is stretched, and silicone oil is separated with power module, and silicone oil returns to ripple
In pipe.
The principle of the present invention and advantage are: power module in use, generates a large amount of heat, so that cabinet
Temperature increases, i.e., the temperature in heat-dissipating space increases.After cabinet temperature increases, thermally conductive sheet can be communicated the temperature on extensible member,
Start to expand after due to extensible member there is the attribute of heat expansion, extensible member to be heated, sealing plate is transported upwards under the promotion of extensible member
Dynamic, sealing plate, which moves upwards, causes bellows to shrink, and bellows can squeeze out the silicone oil in bellows after shrinking out of bellows, i.e.,
Silicone oil is equivalent under the promotion of extensible member, is entered in heat-dissipating space.Silicone oil is contacted with the power module in heat-dissipating space.
On the one hand, for silicone oil as a kind of liquid, the specific heat ratio of itself is larger, when silicone oil and power module contact, energy
It is enough to cool down to power module rapidly；Another aspect silicone oil itself has preferable thermal conductivity, can generate power module
Heat rapidly from power module be transmitted to cabinet surface export.Compared with ventilation and heat in the prior art, this programme benefit
It can rapidly be radiated to power module with the specific heat capacity of silicone oil, and the feature high using silicone oil thermal conductivity, allow power module
The heat of generation can be transmitted to cabinet surface from power module rapidly.On the one hand thermally conductive sheet can transmit heat, on the other hand
Can auxiliary heat dissipation, improve radiating efficiency.
After silicone oil is to power module heat dissipation, the temperature of the corresponding heat-dissipating space of the power module declines, thermally conductive sheet transmitting
Heat to extensible member is reduced, and extensible member is shunk, and bellows is stretched, and silicone oil is separated with power module, and silicone oil returns to bellows
It is interior.Silicone oil can carry more heat at this time, this partial heat is dispersed into air by bellows, achieve the purpose that heat dissipation.With
The prior art is compared, and this programme is radiated after being separated using silicone oil with power module, is equal to the heat dissipation area of increase, is reached
Improve the purpose of radiating efficiency.
Note is arranged by being arranged power module in heat-dissipating space in reactive-load compensation method of the present invention under heat-dissipating space
The bellows of full silicone oil incudes the temperature of each heat-dissipating space using thermally conductive sheet, and the high heat-dissipating space of transference temperature is corresponding to be stretched
Contracting part expanded by heating so that bellows corresponding with the heat-dissipating space shrink, allow silicone oil enter in heat-dissipating space with power mould
Block contact achievees the purpose that carry out specific aim heat dissipation to radiating module.
Further, in S2, extensible member is the air bag equipped with carbon disulfide.
Such design is the physicochemical property temperature because of carbon disulfide, and boiling point is 48 degrees Celsius, can be in lower temperature
Under allow air bag to expand.
Further, in S2, extensible member includes cylinder sleeve and the piston that is slidingly sealed with cylinder sleeve, and curing is filled in cylinder sleeve
Carbon solution, cylinder sleeve are fixed on the base, and piston is fixedly connected with sealing plate.
Such design is can to allow piston can be at a lower temperature because the boiling point of carbon disulfide is 48 degrees Celsius
Upper movement.
Further, in S2, the material of thermally conductive sheet is aluminium.
The thermally conductive sheet of aluminum is at low cost, good heat conduction effect.
Further, in S2, thermally conductive sheet is equipped with the vertical ventilation hole for running through thermally conductive sheet.
The design of ventilation hole is conducive to form the heat dissipation effect that " stack effect " improves thermally conductive sheet in ventilation hole.
Further, in S2, the side of cabinet is equipped with radiator fan, and radiator fan is fixedly connected with cabinet.
Such design is the heat dissipation effect in order to improve cabinet itself.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of reactive compensation system in reactive-load compensation method embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: cabinet 10, power module 20, baffle 30, through-hole 11, pedestal 40, wave
Line pipe 50, air bag 60, thermally conductive sheet 70.
Embodiment: reactive-load compensation method, including following content:
S1: power module 20 in use, generates a large amount of heat, so that the temperature of cabinet 10 increases, that is, radiates
The temperature in space increases；
S2: thermally conductive sheet 70 can communicate the temperature on extensible member, since extensible member has the attribute of heat expansion, extensible member
Start to expand after heated, sealing plate moves upwards under the promotion of extensible member；
S3: sealing plate, which moves upwards, causes bellows 50 to shrink, and bellows 50 can be by the silicone oil in bellows from wave after shrinking
It is squeezed out in line pipe 50, silicone oil enters in heat-dissipating space under the promotion of extensible member.Power module in silicone oil and heat-dissipating space
20 contacts；
S4: after silicone oil radiates to power module 20, the temperature of the corresponding heat-dissipating space of power module 20 declines, thermally conductive
The heat that piece 70 is transmitted to extensible member is reduced, and extensible member is shunk, and bellows 50 is stretched, and silicone oil is separated with power module 20, silicon
Oil returns in bellows 50.
A kind of reactive compensation system for realizing the above method is also disclosed, substantially as shown in Fig. 1, including cabinet 10
With several power modules 20；
Several power modules 20 are installed in cabinet 10, and the gear for separating several power modules 20 is equipped in cabinet 10
10 inner space of cabinet is separated into several independent heat-dissipating spaces as unit of power module 20 by plate 30, baffle 30；Heat dissipation is empty
Between and mechanism be sealing because in the specific application process, silicone oil has certain water imbibition, if blow-by, silicone oil
The water in air can be absorbed, silicone oil insulating properties is allowed to be affected.
The bottom of cabinet 10 is equipped with the through-hole 11 of connection corresponding with heat-dissipating space；
The lower section of cabinet 10 is equipped with pedestal 40, and pedestal 40 is adhesively fixed with cabinet 10.It is to stay between pedestal 40 and cabinet 10
Have for gap.This gap is used to install the bellows 50 mentioned hereafter arrived.
It is equipped with the bellows 50 for filling silicone oil between pedestal 40 and through-hole 11, uses sealant between bellows 50 and through-hole 11
Sealing.The lower end of bellows 50 is equipped with the sealing plate that seals bellows 50, bellows 50 by through-hole 11 respectively with heat-dissipating space
Connection；The extensible member of heat expansion is equipped with below sealing plate, one end of extensible member is connect with pedestal 40, the other end of extensible member
It is connect with sealing plate, heat-dissipating space, bellows 50 and extensible member correspond；Extensible member is the air bag 60 equipped with carbon disulfide.
The outside of cabinet 10 is installed with several thermally conductive sheets 70 corresponding with heat-dissipating space, and one end of thermally conductive sheet 70 is located at heat dissipation
The outside in space and thermally conductive sheet 70 and cabinet 10 are welded and fixed, the other end of thermally conductive sheet 70 connects with corresponding extensible member
Touching.It can be understood as thermally conductive sheet 70 to be slidably connected with extensible member, the material of thermally conductive sheet 70 is aluminium, and thermally conductive sheet 70 is equipped with and passes through vertically
Perforate the ventilation hole of backing 70.
In other embodiments, extensible member includes cylinder sleeve and the piston that is slidingly sealed with cylinder sleeve, and two sulphur are filled in cylinder sleeve
Change carbon solution, cylinder sleeve is fixed on the base 40 it, and piston sealing plate is fixedly connected.The side of cabinet 10 is equipped with radiator fan, radiation air
Fan is bolted with cabinet 10.
When concrete application: the silicone oil in bellows 50 is as a kind of liquid, and the specific heat ratio of itself is larger, in silicone oil and function
When rate module 20 contacts, it can cool down to power module 20 rapidly；Another aspect silicone oil itself has preferable thermal conductivity,
The heat that power module 20 generates can be exported from the surface that power module 20 is transmitted to cabinet 10 rapidly.With in the prior art
Ventilation and heat compare, this programme using silicone oil specific heat capacity can rapidly to power module 20 radiate, and utilize silicone oil
The high feature of thermal conductivity, the heat for allowing power module 20 to generate can be transmitted to 10 surface of cabinet from power module 20 rapidly.It leads
70 one side of backing can transmit heat, on the other hand can auxiliary heat dissipation, improve radiating efficiency.
Power module 20 in use, generates a large amount of heat, so that the temperature of cabinet 10 increases, i.e. heat-dissipating space
Interior temperature increases.After 10 temperature of cabinet increases, thermally conductive sheet 70 can be communicated the temperature on extensible member, be met since extensible member has
The attribute of thermal expansion starts to expand after extensible member is heated, and sealing plate moves upwards under the promotion of extensible member, and sealing plate, which moves upwards, leads
Bellows 50 is caused to shrink, bellows 50 can squeeze out the silicone oil in bellows after shrinking out of bellows 50, that is, silicone oil
Under the promotion of extensible member, enter in heat-dissipating space.Silicone oil is contacted with the power module 20 in heat-dissipating space.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and have using routine experiment hand before the date
The ability of section, one skilled in the art can improve and be implemented in conjunction with self-ability under the enlightenment that the application provides
This programme, some typical known features or known method should not become one skilled in the art and implement the application
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements out, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented
Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for explaining the content of claim.
Claims (6)
1. a kind of reactive-load compensation method, which is characterized in that realized by following reactive compensation system, the reactive compensation system packet
Include cabinet and several power modules；Several power modules are installed in cabinet, are equipped in cabinet and are separated several power modules
Inner space of cabinet is separated into several independent heat-dissipating spaces as unit of power module by the baffle opened, baffle；The bottom of cabinet
Portion is equipped with the through-hole of connection corresponding with heat-dissipating space；
The lower section of cabinet is equipped with pedestal, and pedestal is fixedly connected with cabinet, and the bellows for filling silicone oil is equipped between pedestal and through-hole,
The lower end of bellows is equipped with the sealing plate of sylphon seal, and bellows is connected to heat-dissipating space respectively by through-hole；Under sealing plate
Side is equipped with the extensible member of heat expansion, and one end of extensible member is connect with pedestal, and the other end of extensible member is connect with sealing plate, heat dissipation
Space, bellows and extensible member correspond；
Several thermally conductive sheets corresponding with heat-dissipating space are installed on the outside of cabinet, one end of thermally conductive sheet is located at the outer of heat-dissipating space
Side, the other end of thermally conductive sheet are contacted with corresponding extensible member；
The reactive-load compensation method includes following content:
S1: power module in use, generates a large amount of heat, so that the temperature of cabinet increases, i.e. the temperature of heat-dissipating space
Degree increases；
S2: thermally conductive sheet can communicate the temperature on extensible member, after due to extensible member there is the attribute of heat expansion, extensible member to be heated
Start to expand, sealing plate moves upwards under the promotion of extensible member；
S3: sealing plate, which moves upwards, causes bellows to shrink, and bellows can squeeze the silicone oil in bellows after shrinking out of bellows
Out, silicone oil enters in heat-dissipating space under the promotion of extensible member, and silicone oil is contacted with the power module in heat-dissipating space；
S4: after silicone oil is to power module heat dissipation, the temperature of the corresponding heat-dissipating space of the power module declines, and thermally conductive sheet is transmitted to
The heat of extensible member is reduced, and extensible member is shunk, and bellows is stretched, and silicone oil is separated with power module, and silicone oil returns in bellows.
2. reactive-load compensation method as described in claim 1, it is characterised in that: in S2, extensible member is equipped with carbon disulfide
Air bag.
3. reactive-load compensation method as described in claim 1, it is characterised in that: in S2, extensible member includes cylinder sleeve and and cylinder sleeve
The piston being slidingly sealed, cylinder sleeve is interior to be filled with carbon disulfide solution, and cylinder sleeve is fixed on the base, and piston is fixedly connected with sealing plate.
4. reactive-load compensation method as described in claim 1, it is characterised in that: in S2, the material of thermally conductive sheet is aluminium.
5. reactive-load compensation method as described in claim 1, it is characterised in that: in S2, thermally conductive sheet is equipped with to run through vertically and lead
The ventilation hole of backing.
6. reactive-load compensation method as described in claim 1, it is characterised in that: in S2, the side of cabinet is equipped with radiator fan,
Radiator fan is fixedly connected with cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831768.7A CN107509370B (en) | 2017-09-15 | 2017-09-15 | Reactive-load compensation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831768.7A CN107509370B (en) | 2017-09-15 | 2017-09-15 | Reactive-load compensation method |
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| Publication Number | Publication Date |
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| CN107509370A CN107509370A (en) | 2017-12-22 |
| CN107509370B true CN107509370B (en) | 2019-05-10 |
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| CN201710831768.7A Active CN107509370B (en) | 2017-09-15 | 2017-09-15 | Reactive-load compensation method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109802312A (en) * | 2019-01-28 | 2019-05-24 | 合肥智鼎电控自动化科技有限公司 | A kind of improved energy-saving electrical gas holder |
| CN110035264B (en) * | 2019-05-16 | 2020-11-17 | 蒙城县友继家庭农场 | Self-heat-dissipation monitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204810780U (en) * | 2015-02-15 | 2015-11-25 | 3M创新有限公司 | Adopt quick -witted case and server component of double -phase formula immersion cooling |
| CN105226511B (en) * | 2015-09-23 | 2017-05-03 | 浙江新跃电气有限公司 | Rain-proof distribution box |
| CN105244892B (en) * | 2015-10-30 | 2018-04-20 | 国网山东省电力公司东营供电公司 | A kind of reactive power compensation cabinet |
| CN106413338B (en) * | 2016-06-16 | 2019-03-26 | 广东合一新材料研究院有限公司 | A kind of working medium cooling system by contact to radiate for computer and data center |
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Effective date of registration: 20230809 Address after: Room 101, Building A, No. 98, Luntou Road, Haizhu District, Guangzhou City, Guangdong Province, 510220 (can be used as a factory building) Patentee after: GUANGZHOU YACIENT ELECTRIC EQUIPMENT Co.,Ltd. Address before: Room 301-127, No. 386 Fengxiang Road, High tech Zone, Ningbo City, Zhejiang Province, 315000 Patentee before: NINGBO BOEN ELECTRIC Co.,Ltd. |