CN103440942B - There is the power resistor of loop cooling system - Google Patents
There is the power resistor of loop cooling system Download PDFInfo
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- CN103440942B CN103440942B CN201310404584.4A CN201310404584A CN103440942B CN 103440942 B CN103440942 B CN 103440942B CN 201310404584 A CN201310404584 A CN 201310404584A CN 103440942 B CN103440942 B CN 103440942B
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- cooling system
- power resistor
- heat dissipation
- top cover
- housing
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Abstract
The invention discloses a kind of power resistor with loop cooling system, it is characterized in that, comprise housing, the top of housing is provided with top cover, is provided with main body in housing, main body and top cover form cooling mechanism, the centre of cooling mechanism is provided with heat dissipation box and radiating tube, and the two ends of heat dissipation box and the two ends of radiating tube all communicate with the end box of top cover and bottom part body, are provided with resistive element in heat dissipation box, housing is provided with water inlet and delivery port, and top cover is provided with terminal. The present invention has the features such as volume is little, easy for installation, heat radiation is convenient.
Description
Technical field
The present invention relates to a kind of power resistor with loop cooling system, it is for being applicable to high pressure systemPower Resistor, be mainly used in reservoir strobe braking, the favourable turn braking of rotatable platform, and all kinds of high-powerThe application apparatus of braking resistor, belongs to resistor field.
Background technology
At present, the volume of existing resistance is large, caloric value is high, installation is difficult, cannot meet all kinds of drilling wells flatPlatform and the requirement of large electric appliances equipment to braking resistor.
The resistor of 500KW needs the resistor box composition of 5 500*700*2000mm at present, and resistance cabinet existsWhen operation, can reach 350-400 degree, need its independent isolation to be placed and be furnished with good ventilation unit for this reason,And need to add fence and protector, and guarantee certain safe distance, because its temperature is higher, heat radiationVery large, therefore peripheral equipment is had a significant impact, generally need to take heat-proof device, making it occupy space increases,Expense increases.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of volume little, easy for installation to have double loop coolingThe power resistor of system, has solved that existing resistance volume is large, caloric value is high, difficult problem is installed.
In order to solve the problems of the technologies described above, technical scheme of the present invention has been to provide one and has had double loop cooling systemThe power resistor of system, is characterized in that, comprise housing, the top of housing is provided with top cover, is provided with master in housingBody, main body and top cover form cooling mechanism, and the centre of cooling mechanism is provided with heat dissipation box and radiating tube, heat dissipation boxThe two ends of two ends and radiating tube all communicate with the end box of top cover and bottom part body, are provided with resistive element, shell in heat dissipation boxBody is provided with water inlet and delivery port, and top cover is provided with terminal.
Preferably, between described resistive element and top cover, be connected by the resistor wiring terminal on resistive element.
Preferably, described radiating tube is all located at heat dissipation box around.
Preferably, described radiating tube is all located at the both sides of heat dissipation box.
Preferably, described radiating tube is metal tube, and described heat dissipation box is can.
Preferably, described metal tube is copper pipe, and described can is copper box.
Preferably, between described resistive element and cooling mechanism, form inner chamber.
Preferably, in described inner chamber, be full of with insulating compound.
Preferably, between described cooling mechanism and housing, form exocoel.
Preferably, in described exocoel, be full of with cooling agent.
Volume of the present invention is little, easy for installation, caloric value is little, heat radiation is convenient, and inner chamber is full of to the exhausted of high insulationEdge agent, guarantees high voltage security of operation, and exocoel adopts circulate coolant refrigeration, to ensure the caloric value of resistive elementAbsorb completely, and it is cooling to carry out Homogeneouslly-radiating.
Brief description of the drawings
Fig. 1 is a kind of overall structure schematic diagram of the power resistor with loop cooling system;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is a kind of fractionation structural representation of the power resistor with loop cooling system.
In figure: 1 is terminal, 2 is radiator, and 3 is exocoel, and 4 is water inlet, and 5 is delivery port, and 6 is electricityResistance body, 7 is inner chamber, and 8 is resistor wiring terminal, and 9 is top cover, and 10 is housing, 11 is main body.
Detailed description of the invention
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
Embodiment 1
The present invention is a kind of power resistor with loop cooling system, as shown in Figure 1-Figure 3, and its bagDraw together housing 10, top cover 9 is stamped at the top of housing 10, and main body 11 is installed in housing 10, main body 11 and topLid 9 forms cooling mechanism, and the centre of cooling mechanism is heat dissipation box 12 and radiating tube 2, the two ends of heat dissipation box 12All communicate with the end box 13 of top cover 9 and main body 11 bottoms with the two ends of radiating tube 2, the interior installation of heat dissipation box 12There is resistive element 6, between resistive element 6 and top cover 9, be connected by the resistor wiring terminal 8 on resistive element 6. ShellOn body 10, have water inlet 4 and delivery port 5, terminal 1 is installed on top cover 9. Resistive element 6 and cooling mechanismBetween form inner chamber 7, between cooling mechanism and housing 10, form exocoel 3. In inner chamber 7, fill with insulating compoundFull; In exocoel 3 between inner chamber 7 and housing 10, be full of with cooling agent.
Wherein, in the present embodiment, radiating tube 2 is all positioned at the both sides of heat dissipation box 12, and radiating tube 2 is copper pipe,Heat dissipation box 12 is copper box, and insulating compound is transformer oil, and cooling agent is water.
The resistive element in well cutting path 6 is placed to the middle part of inner chamber 7, resistor wiring terminal 8 use insulation sleevesPipe is drawn, and transformer oil is poured to inner chamber 7, and it is flooded resistive element 6 completely, and exocoel 3 passes into cooling waterSource, when use, in the time of resistive element 6 heating power, because it is invaded in transformer oil, its heat is by transformer oilAbsorb, the transformer oil floating of heating, floats the transformer oil of inner chamber 7 bottom coohngs, causes base pressureReduce, make the transformer oil at top prolong both sides copper pipe and flow downward, form circulation. The transformer oil of both sides toIn lower motion process, due to copper tube heat exchange effect, make its cooling water that heat is transmitted to exocoel 3, exocoel 3Cooling water heat is brought to outside resistive element 6, in the situation that ensureing cooling water inflow abundance, guarantee resistive element 6Inner equalized temperature is below 60 degree.
The present invention needs before energising to check whether transformer oil reaches high oil level, to guarantee that resistive element immerses completely;Then open cooling water, ensure that delivery port flow is within the required scope of power; In service, guarantee cooling water sourceCan not interrupt; Make regular check on transformer oil, if any the rotten more renew oil that needs; According to the size of cooling water flow,Make rated power of the present invention between 100KW-500KW.
Range of application of the present invention is high voltage, powerful loop cooling system, and inner chamber 7 is by resistive element 6And cooling mechanism composition, body is done with copper, when use, inner chamber 7 is full of to the transformer oil of high insulation, guaranteesMore than proof voltage can reach 12KV, guarantee high voltage security of operation, exocoel adopts stainless steel to make, waterCircularly cooling, absorbs completely with the caloric value that ensures resistive element.
Embodiment 2
The present invention is a kind of power resistor with loop cooling system, in the present embodiment, and radiating tube 2All be positioned at heat dissipation box 12 around, radiating tube 2 is iron pipe, and heat dissipation box 12 is can, and cooling agent is that refrigerator is usedCold-producing medium. Other are identical with embodiment 1.
Claims (9)
1. a power resistor with loop cooling system, is characterized in that, comprises housing (10), housing(10) top is provided with top cover (9), is provided with main body (11) in housing (10), main body (11) and top cover(9) form cooling mechanism, the centre of cooling mechanism is provided with heat dissipation box (12) and radiating tube (2), heat dissipation box(12) two ends of two ends and radiating tube (2) all with the end box (13) of top cover (9) and main body (11) bottomCommunicate, be provided with resistive element (6) in heat dissipation box (12), housing (10) is provided with water inlet (4) and water outletMouth (5), top cover (9) is provided with terminal (1), between described resistive element (6) and top cover (9), passes throughResistor wiring terminal (8) on resistive element (6) connects.
2. a kind of power resistor with loop cooling system as claimed in claim 1, is characterized in that,Described radiating tube (2) is all located at heat dissipation box (12) around.
3. a kind of power resistor with loop cooling system as claimed in claim 1, is characterized in that,Described radiating tube (2) is all located at the both sides of heat dissipation box (12).
4. a kind of power resistor with loop cooling system as claimed in claim 2 or claim 3, its feature existsIn, described radiating tube (2) is metal tube, described heat dissipation box (12) is can.
5. a kind of power resistor with loop cooling system as claimed in claim 4, is characterized in that,Described metal tube is copper pipe, and described can is copper box.
6. a kind of power resistor with loop cooling system as claimed in claim 1, is characterized in that,Between described resistive element (6) and cooling mechanism, form inner chamber (7).
7. a kind of power resistor with loop cooling system as claimed in claim 6, is characterized in that,In described inner chamber (7), be full of with insulating compound.
8. a kind of power resistor with loop cooling system as claimed in claim 1, is characterized in that,Between described cooling mechanism and housing (10), form exocoel (3).
9. a kind of power resistor with loop cooling system as claimed in claim 8, is characterized in that,In described exocoel (3), be full of with cooling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310404584.4A CN103440942B (en) | 2013-09-06 | 2013-09-06 | There is the power resistor of loop cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404584.4A CN103440942B (en) | 2013-09-06 | 2013-09-06 | There is the power resistor of loop cooling system |
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| Publication Number | Publication Date |
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| CN103440942A CN103440942A (en) | 2013-12-11 |
| CN103440942B true CN103440942B (en) | 2016-05-25 |
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| CN201310404584.4A Active CN103440942B (en) | 2013-09-06 | 2013-09-06 | There is the power resistor of loop cooling system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080214B (en) * | 2016-06-21 | 2019-04-23 | 中车唐山机车车辆有限公司 | The cooling system of braking resistor |
| CN107135632B (en) * | 2017-05-18 | 2019-08-02 | 西安因变光电科技有限公司 | A kind of comprehensive cooling shell of power circuit |
| CN109637765B (en) * | 2018-11-23 | 2021-01-01 | 安徽翔胜科技有限公司 | Chip resistor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203456210U (en) * | 2013-09-06 | 2014-02-26 | 上海鹰峰电子科技有限公司 | Power resistor with double-circuit cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2398772Y (en) * | 1999-11-30 | 2000-09-27 | 襄樊大力工业控制有限责任公司 | Oil-immersed high-voltage starting thermistor |
| CN101425350B (en) * | 2008-11-04 | 2012-04-18 | 北京七一八友晟电子有限公司 | Isolative double cooling electric surge tolerant resistor cabinet |
| CN202749169U (en) * | 2012-08-31 | 2013-02-20 | 北京七一八友晟电子有限公司 | Inlaid insulation water-cooling glass glaze resistor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203456210U (en) * | 2013-09-06 | 2014-02-26 | 上海鹰峰电子科技有限公司 | Power resistor with double-circuit cooling system |
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Address after: 201604 Shanghai Songjiang District Shihudang Industrial Park Tang Road, No. 158 Patentee after: Shanghai Eagle Peak Polytron Technologies Inc Address before: 201604 Shanghai Songjiang District Shihudang Industrial Park Tang Road, No. 158 Patentee before: Shanghai Eagtop Electronic Technology Co., Ltd. |