CN205092112U - Heat sink is assisted to transformer - Google Patents
Heat sink is assisted to transformer Download PDFInfo
- Publication number
- CN205092112U CN205092112U CN201520871377.4U CN201520871377U CN205092112U CN 205092112 U CN205092112 U CN 205092112U CN 201520871377 U CN201520871377 U CN 201520871377U CN 205092112 U CN205092112 U CN 205092112U
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- transformer
- valve
- temperature
- auxiliary
- heat dissipation
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Abstract
The utility model discloses a heat sink is assisted to transformer, including supplementary fin, refrigerant pipeline, compressor, condenser, first valve, second valve and temperature sensor. The heat sink is assisted to transformer during operation, obtains closed circulation system after connecting gradually at supplementary fin, refrigerant pipeline, compressor, condenser, first valve, second valve, and the refrigerant is in closed circulation system in the circulation, the refrigerant passes through refrigerant pipeline, first valve and gets into supplementary fin, reaches the purpose of supplementary cooling, then the condensing agent gets into the compressor compression, gets into the condenser through the cryogen pipeline, again through the cryogen pipeline, get into supplementary fin circulation cooling through the second valve. The utility model discloses a supplementary heat sink resources are saved, safe and reliable need not manual operation.
Description
Technical field
The utility model relates to a kind of electric power facility maintenance tool, particularly a kind of transformer auxiliary temperature-reducing device.
Background technology
Transformer operationally can produce a large amount of heats, must in time heat be passed, otherwise the temperature of inside transformer can be caused to rise, and affects the operating efficiency of transformer.The too high transformer that even can cause of temperature burns, and causes electric power accident, can bring huge loss to user.
Main transformer is in peak times of power consumption, the long-time running of over-saturation degree often, although main transformer carries cooler, but because main transformer is after the long-time running of over-saturation degree, extreme temperatures, the cooler carried is difficult to the cooling needs meeting main transformer, and then the Frequent Accidents causing main transformer to be burned, potential safety hazard is brought to power supply safety, and have a strong impact on the normal electricity consumption of resident and industrial and mining enterprises, thus auxiliary temperature-reducing device is more and more necessary in the application of transformer cooling system.With warming of weather and popularizing in a large number of air-conditioning, the load pressure of power transformer is more and more heavier, and when peak times of power consumption in summer, the temperature of transformer tends to exceed safe range, for protection transformer needs carry out auxiliary temperature-reducing to transformer temporarily.
At present, the auxiliary temperature-reducing of transformer is mainly adopted to the mode of manually transformer being sprayed water, utility model as publication number CN102412054A discloses a kind of external auxiliary cooling method for transformer, described falling temperature method is realized by special heat sink, described special heat sink is several water pipes around being arranged on transformer surrounding, and described water pipe all arranges umbrella shower nozzle and valve.Described falling temperature method is: open valve, with umbrella shower nozzle to transformer-cabinet and radiator fin water spray.The utility model reaches good transformer cooling-down effect by simple equipment and method, when substation transformer runs temperature close to or when exceeding the maximum temperature regulation of permission, fetch boiling water tube valve, being sprayed water to transformer-cabinet and radiator fin by umbrella shower nozzle finally reaches cooling object, easy to operate, material is simple and easy, but when manually spraying water to transformer, operational environment is extremely hot, the easy heatstroke of workman, and when lacking the local operation at water source, extremely inconvenient.The utility model patent of application number 201310416936.8 discloses a kind of transformer auxiliary temperature-reducing car, this cooling vehicle comprises flatcar, described flatcar is provided with water tank, supercharging storehouse and control device, described tank top is provided with water inlet, described water tank bottom is connected with water pump, described pump outlet is connected with unidirectional valve, the other end of described unidirectional valve is connected to bottom, supercharging storehouse, bottom, described supercharging storehouse is connected with electromagnetically operated valve, the other end of described electromagnetically operated valve is connected with flexible pipe, the other end of described flexible pipe is connected with shower nozzle, described shower nozzle is provided with fixture, described fixture is provided with temperature sensor, described temperature sensor is electrically connected on control device, described control device is also electrically connected on water pump and electromagnetically operated valve.Automatic operation is got final product, without the need to workman's long-time operation, and also can operation easily without water head site side after this utility model transformer auxiliary temperature-reducing car only needs workman to set shower nozzle and control device.But this device is using water as condensing agent, cooling is comparatively slow, and water exists certain potential safety hazard as condensing agent condensation voltage transformer system.
Utility model content
In view of this, the purpose of this utility model is for the deficiencies in the prior art, provides a kind of without the need to operative, safe and reliable, and the convenient transformer auxiliary temperature-reducing device in the local operation without water source.
For achieving the above object, the utility model by the following technical solutions:
Falling unit assisted by a kind of transformer, comprises auxiliary heat dissipation sheet, refrigerant tubing, condenser, compressor, cold-producing medium, the first valve and the second valve, temperature sensor and control device; Auxiliary heat dissipation sheet, condenser, compressor, the first valve are connected by refrigerant tubing successively with the second valve, and temperature sensor, the first valve are connected with control device respectively with the second valve.
As preferred version of the present utility model, described auxiliary heat dissipation sheet is made up of multiple radiating fin.
As preferred version of the present utility model, described radiating fin inside is provided with the membranaceous barrier element of multilayer.
As preferred version of the present utility model, described auxiliary heat dissipation sheet and sticking between position of radiating fin of transformer are provided with heat-conducting layer.
As preferred version of the present utility model, described auxiliary heat dissipation sheet (1) and sticking between position of transformer are provided with heat-conducting layer.
The beneficial effects of the utility model are:
When this device uses, auxiliary heat dissipation sheet attaches and is installed on the main fin of transformer, and compressor and condenser are installed in air circulation comparatively benefit.When substation transformer runs temperature close to or when exceeding the maximum temperature regulation of permission, start auxiliary temperature-reducing device, make cold-producing medium and transformer body fin carry out heat exchange, impel temperature reduction in transformer, reach cooling object.
Multilayer membrane structure in the multiple heat radiation fin structure of transformer auxiliary heat dissipation sheet and radiating fin, adds auxiliary heat dissipation sheet and the contact area at cooling position on the one hand, makes condensing agent in the distribution of auxiliary heat dissipation sheet inner homogeneous, reach good cooling-down effect.
In the utility model, transformer auxiliary heat dissipation sheet directly can be fitted with transformer or the main fin of transformer and be contacted, contact site is provided with heat-conducting layer, ensure that combining closely between the main fin of transformer auxiliary heat dissipation sheet and transformer or transformer, ensure that heat conducting validity, the effect of fast cooling can be reached.
With temperature sensor and control device coordinative role according to variations in temperature automatic switch auxiliary temperature-reducing device, and refrigerant system periodic duty.Easy to operate, cooling-down effect is remarkable, reduces power failure, pressure load etc. and cause unnecessary electric quantity loss drawback when having accomplished overtemperature as much as possible.And resources conservation, environmental friendliness, fail safe is high.
Accompanying drawing explanation
Fig. 1 and Fig. 3 is the schematic diagram of the utility model transformer auxiliary temperature-reducing device auxiliary temperature-reducing.
Fig. 2 is the vertical view of the auxiliary heat dissipation sheet cross section of the utility model transformer auxiliary temperature-reducing device.
Mark in figure: 1 is auxiliary heat dissipation sheet, and 2 is refrigerant tubing, and 3 is condenser, and 4 is compressor, and 5 is heat-conducting layer, and 6 is the first valve, and 7 is the second valve, and 8 is temperature sensor, and 9 is control device, and 10 is fin, and 11 is the membranaceous barrier element of multilayer.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction right of the present utility model.
Embodiment 1
As shown in Figure 1, the utility model transformer auxiliary temperature-reducing device, comprises auxiliary heat dissipation sheet (1), refrigerant tubing (2), condenser (3), compressor (4), the first valve (6), the second valve (7), temperature sensor (8) and control device (9); Auxiliary heat dissipation sheet (1), condenser (3), compressor (4), the first valve (6) and the second valve (7) are successively set on refrigerant tubing (2), and temperature sensor (8), the first valve (6) are connected with control device (9) with the second valve (7).
The operation principle of transformer auxiliary temperature-reducing device: in the substation transformer course of work, as temperature exceedes maximum temperature regulation, control device (9) obtains the signal transmission of temperature sensor (8), opens the first valve (6) and the second valve (7) startup auxiliary temperature-reducing device.Auxiliary heat dissipation sheet (1), refrigerant tubing (2), condenser (3), compressor (4), the first valve (6) obtain closed cavity after being communicated with successively with the second valve (7), and cold-producing medium circulates in described closed cavity; Cold-producing medium enters auxiliary heat dissipation sheet (1) and carries out heat exchange by heat-conducting layer (5) and transformer body fin, reach the object of auxiliary temperature-reducing, then condensing agent enters compressor (4) compression, after enter condenser (3) through refrigerant tube road (2), thus realize circulation temperature lowering.
Embodiment 2
As depicted in figs. 1 and 2, the difference of the present embodiment and embodiment 1 is: be made up of multiple radiating fin (10) for reaching better cooling-down effect auxiliary heat dissipation sheet (1), cold-producing medium is sprayed on each fin of auxiliary heat dissipation sheet by the first valve (6), is controlled the amount of fin inner refrigerant by the second valve (7).The radiating fin inside of auxiliary heat dissipation sheet (1) is provided with the membranaceous barrier element of multilayer (11), and membranaceous barrier element (11) is the permeable membrane being controlled cold-producing medium velocity of liquid assets by iris action.Auxiliary heat dissipation sheet (1) and sticking between position of radiating fin of transformer are provided with heat-conducting layer (5).
When temperature sensor (8) detects temperature higher than setting critical value, trigger control device and valve, start auxiliary radiating device, condensing agent enters auxiliary heat dissipation sheet (1) from the first valve (6), refrigerant tubing, auxiliary heat dissipation sheet is fitted tightly by heat-conducting layer (5) and the main fin of transformer, is lowered the temperature by heat transfer.Condensing agent enters compressor (4) through the second valve (7) again and compresses, and condenser condenses enters the circulatory system.First valve (6) enters the speed of auxiliary heat dissipation sheet (1) according to the strength control condensing agent of temperature sensor (8) signal transmission, and condensing agent is evenly sprayed enter in each radiating fin (10) of auxiliary heat dissipation sheet (1), second valve (7), according to the hold-up of the strength control condensing agent of temperature sensor (8) signal transmission in auxiliary heat dissipation sheet (1), keeps condensing agent being uniformly distributed in auxiliary heat dissipation sheet (1) by the membranaceous barrier element of multilayer (11) in auxiliary heat dissipation sheet (1).Temperature sensor (8) can be monotroded in target to be measured by inductor, also can be multiple target to be measured in parallel.
Embodiment 3
As shown in Figure 1, the working mechanism of auxiliary radiating device is, the monotroded main fin being connected to transformer of temperature sensor (8), when the main heatsink temperature of transformer arrives setting critical value T1, trigger electric control gear (9), the first valve (6) and the second valve (7) and start auxiliary temperature-reducing device.
Embodiment 4
As shown in Figure 3, the difference of the present embodiment and embodiment 3 is, the working mechanism of auxiliary radiating device is, temperature sensor (8) is connected in the main fin of transformer and transformer, transformer temperature setting critical value is expressed as temperature sensor T1, the main heatsink temperature setting critical value of transformer is expressed as temperature sensor T2, when temperature arrives T1 or T2, trigger electric control gear (9), the first valve (6) and the second valve (7) and start auxiliary temperature-reducing device.Ensure that the monitoring of this heat sink is more accurate reliable with the monitoring temperature of main fin two positions of transformer and transformer.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. a transformer auxiliary temperature-reducing device, it is characterized in that, comprise auxiliary heat dissipation sheet (1), refrigerant tubing (2), condenser (3), compressor (4), the first valve (6), the second valve (7), temperature sensor (8) and control device (9); Auxiliary heat dissipation sheet (1), condenser (3), compressor (4), the first valve (6) and the second valve (7) are successively set on refrigerant tubing (2), and temperature sensor (8), the first valve (6) are connected with control device (9) with the second valve (7).
2. a kind of transformer auxiliary temperature-reducing device according to claim 1, is characterized in that, described auxiliary heat dissipation sheet (1) is made up of multiple radiating fin (10).
3. a kind of transformer auxiliary temperature-reducing device according to claim 2, it is characterized in that, described radiating fin inside is provided with the membranaceous barrier element of multilayer (11).
4. a kind of transformer auxiliary temperature-reducing device according to claim 1, is characterized in that, is provided with heat-conducting layer (5) between described auxiliary heat dissipation sheet (1) and the main fin of transformer.
5. a kind of transformer auxiliary temperature-reducing device according to claim 1, is characterized in that, described auxiliary heat dissipation sheet (1) and sticking between position of transformer are provided with heat-conducting layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520871377.4U CN205092112U (en) | 2015-11-04 | 2015-11-04 | Heat sink is assisted to transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520871377.4U CN205092112U (en) | 2015-11-04 | 2015-11-04 | Heat sink is assisted to transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205092112U true CN205092112U (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520871377.4U Expired - Fee Related CN205092112U (en) | 2015-11-04 | 2015-11-04 | Heat sink is assisted to transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205092112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354555A (en) * | 2020-04-28 | 2020-06-30 | 广东电网有限责任公司 | Control switch of power transformer cooling system |
-
2015
- 2015-11-04 CN CN201520871377.4U patent/CN205092112U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354555A (en) * | 2020-04-28 | 2020-06-30 | 广东电网有限责任公司 | Control switch of power transformer cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20161104 |