CN204792307U - Dry transformer - Google Patents
Dry transformer Download PDFInfo
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- CN204792307U CN204792307U CN201520501523.4U CN201520501523U CN204792307U CN 204792307 U CN204792307 U CN 204792307U CN 201520501523 U CN201520501523 U CN 201520501523U CN 204792307 U CN204792307 U CN 204792307U
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- drying
- pipeline
- dry
- type transformer
- solenoid valve
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Abstract
The utility model relates to a dry transformer, including the transformer body, be provided with give vent to anger pipeline and admission line on the transformer body, the bottom of transformer body is provided with buffer, and give vent to anger pipeline and admission line all feed through to the transformer body inside, are provided with the draught fan on the pipeline of giving vent to anger, inside temperature sensor and the humidity transducer of being provided with of transformer body, the pipeline of giving vent to anger is connected with first electromagnetism three -way valve, the delivery outlet of first electromagnetism three -way valve is connected with cooling tube and says and dry pipeline, the cooling tube way is connected to the entry end of heat sink, dry pipeline is connected to drying device's entry end, the exit end of heat sink is connected to the admission line, drying device's exit end is connected with second electromagnetism three -way valve, the output of second electromagnetism three -way valve is connected with first pipeline and second pipeline, first pipe connection is to the cooling tube way, the second pipe connection is to the admission line, all be provided with the check valve on first pipeline and the second pipeline.
Description
Technical field
The utility model belongs to electrical equipment technical field, relates to a kind of power transmission system equipment, especially a kind of dry-type transformer; This dry-type transformer is by external cool-down dehumidification damp-proof device, effectively the gas in dry-type transformer can be carried out cool-down dehumidification, be within suitable temperature and humidity scope to make the air in dry-type transformer, simultaneously by arranging buffer unit, snubber is given to the vibrations produced in the dry-type transformer course of work, guarantees that dry-type transformer normally works.
Background technology
Power transmission system, for national economic development and resident's daily life, all has very important effect; The normal operation of power transmission system is the primary condition guaranteeing national economic development and resident's daily life.
Transformer, as the important composition element of remote distance power conveying system, has indispensable function in whole power transmission system.Therefore, the normal operation of transformer is the key that whole power transmission system is stable.
The places such as dry-type transformer, as the one in transformer, is widely used in localized lighting, skyscraper, airport, harbour CNC plant equipment, briefly dry-type transformer just refers to that iron core and winding are not immersed in the transformer in insulating oil.
Dry-type transformer is in running, and Inside coil can produce very many heats, and dry-type transformer can not, as oil immersed type, cannot adopt transformer oil to lower the temperature to Inside coil; Therefore, dry-type transformer can only adopt air-cooled temperature-reduction.
Adopt the dry-type transformer of air-cooled temperature-reduction process, there is the technological deficiency of cooling-down effect difference, in addition, due to the impact of dry-type transformer operational environment, easily cause dry-type transformer inner air moist, affect the normal operation of dry-type transformer interior loop, potential safety hazard is existed for the operation of whole power transmission system; In addition, the dry-type transformer vibrations that self produces in running and the vibrations being subject to ectocine and producing, the normal safe that all can affect dry-type transformer runs.
Therefore, provide design novel dry-type transformer, to realize cooling to dry-type transformer inner air and dehumidification treatments, the vibrations of simultaneous buffering dry-type transformer, guarantee that the safety of transformer is normal and run, be necessary.
Utility model content
The purpose of this utility model is, poor for the dry-type transformer cooling-down effect existed in above-mentioned prior art, inner easily the occurrence of wetness phenomenon and affect the defect of dry-type transformer normal safe work due to vibrations, there is provided design a kind of dry-type transformer, to solve the problems of the technologies described above, improve cooling-down effect and the degree of drying of dry-type transformer inner air, the vibrations of simultaneous buffering dry-type transformer, guarantee the normal operation of dry-type transformer.
For achieving the above object, the utility model provides following technical scheme:
A kind of dry-type transformer, comprise transformer body, described transformer body is provided with outlet pipe and admission line, the bottom of described transformer body is provided with buffer unit, described outlet pipe and admission line are all communicated to transformer body inside, described outlet pipe is provided with induced draft fan, and described transformer body inside is provided with temperature sensor and humidity sensor, it is characterized in that: described outlet pipe is connected with the first three-way solenoid valve, the delivery outlet of the first described three-way solenoid valve is connected with cooling pipeline and drying duct, described cooling pipeline is connected to the arrival end of heat sink, described drying duct is connected to the arrival end of drying device, the port of export of described heat sink is connected to admission line, the port of export of described drying device is connected with the second three-way solenoid valve, the output of the second described three-way solenoid valve is connected with the first pipeline and second pipe, described first pipeline is connected to cooling pipeline, described second pipe is connected to admission line, the first described pipeline and second pipe are provided with unidirectional valve,
Described heat sink comprises compressor, evaporator, condenser and throttling arrangement, described compressor, evaporator, condenser and throttling arrangement connect into loop by pipeline, the entrance point of described evaporator is connected to cooling pipeline, and the port of export of described evaporator is connected to admission line;
Described drying device comprises drying box, is provided with multistage drying plate with holes in described drying box, and described drying plate with holes is provided with ventilative drying layer;
Described temperature sensor and humidity sensor are all connected to microcontroller, and the output of described microcontroller connects compressor, induced draft fan, the first three-way solenoid valve, the second three-way solenoid valve;
Described buffer unit comprises and is arranged at the first base bottom transformer body and is fixed on ground second base, the first described base is provided with backstay, described backstay matches with the location hole be arranged on the second base, the bottom of described backstay is provided with a buffer body, the bottom of described buffer body is provided with a sealing gasket, described sealing gasket is by the bottom of Interal fixation in described buffer body, on described backstay, also cover has Compress Spring, and the two ends of described Compress Spring are individually fixed on the first base and the second base.
Preferably, what described drying plate with holes tilted is arranged at drying box inside; What drying plate with holes tilted is arranged at drying box inside, can strengthen the assimilation effect of ventilative drying layer to moisture in gas.
Preferably, the inclination angle of described drying plate with holes is 60 degree; The inclination angle of drying plate with holes is set to 60 degree, effectively can strengthens the drying effect to gas.
Preferably, level Four drying plate with holes is provided with in described drying box; Fully drying the gas of drying box can be entered by arranging level Four drying plate with holes.
Preferably, described ventilative drying layer is spongy layer; Adopt spongy layer can guarantee the drying effect to the gas entered in right chamber as ventilative drying layer.
Preferably, the thickness of described spongy layer is 1cm; The thickness of spongy layer is set to 1cm and can either absorbs moisture in gas by fuel tank, and save cost.
The beneficial effects of the utility model are, by arranging admission line and outlet pipe, being guided in heat sink and drying device by the air of dry-type transformer inside and carrying out cooling and drying process;
Temperature value and the humidity value of dry-type transformer inner air is gathered by temperature sensor and humidity sensor, and the temperature value collected and humidity value are passed to microcontroller, microcontroller controls the first three-way solenoid valve, the second three-way solenoid valve, induced draft fan and compressor operating according to the temperature value collected and humidity value, completes to fall gently dried process to dry-type transformer inner air;
By arranging ventilative drying layer in the drying box of drying device, drying is carried out to the air entered in drying box;
Arrange buffer unit by the bottom at transformer body, what utilize backstay and location hole coordinates the movement effectively can avoiding transformer body horizontal direction, utilizes Compress Spring and sealing gasket effectively can cushion transformer body in vertical vibrations; In addition, the utility model design principle is reliable, and structure is simple, has application prospect widely.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
The structural representation of a kind of dry-type transformer that Fig. 1 provides for the utility model.
Fig. 2 is the structural representation of heat sink in Fig. 1.
Fig. 3 is the structural representation of drying device in Fig. 1.
Fig. 4 is the structural representation of buffer unit in Fig. 1.
The control principle drawing of a kind of dry-type transformer that Fig. 5 provides for the utility model.
Wherein, 1-transformer body, 2-outlet pipe, 3-admission line, 4-induced draft fan, 5-temperature sensor, 6-humidity sensor, 7-heat sink, 8-drying device, 9-first three-way solenoid valve, 10-second three-way solenoid valve, 11-first pipeline, 12-second pipe, 13-unidirectional valve, 14-microcontroller, 15-lowers the temperature pipeline, 16-drying duct, 17-buffer unit, 7.1-compressor, 7.2-evaporator, 7.3-condenser, 7.4-throttling arrangement, 8.1-drying box, 8.2-drying plate with holes, 8.3-breathes freely drying layer, 17.1-the first base, 17.2-the second base, 17.3-backstay, 17.4-location hole, 17.5-buffer body, 17.6-sealing gasket, 17.7-steel plate, 17.8-Compress Spring.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is elaborated, and following examples are to explanation of the present utility model, and the utility model is not limited to following execution mode.
As shown in Fig. 1 to 5, a kind of dry-type transformer that the utility model provides, comprise transformer body 1, described transformer body 1 is provided with outlet pipe 2 and admission line 3, the bottom of described transformer body 1 is provided with buffer unit 17, it is inner that described outlet pipe 2 and admission line 3 are all communicated to transformer body 1, and described outlet pipe 2 is provided with induced draft fan 4, and described transformer body 1 inside is provided with temperature sensor 5 and humidity sensor 6, described outlet pipe 2 is connected with the first three-way solenoid valve 9, the delivery outlet of the first described three-way solenoid valve 9 is connected with cooling pipeline 15 and drying duct 16, described cooling pipeline 15 is connected to the arrival end of heat sink 7, described drying duct 16 is connected to the arrival end of drying device 8, the port of export of described heat sink 8 is connected to admission line 3, the port of export of described drying device 8 is connected with the second three-way solenoid valve 10, the output of the second described three-way solenoid valve 10 is connected with the first pipeline 11 and second pipe 12, described first pipeline 11 is connected to cooling pipeline 15, described second pipe 12 is connected to admission line 3, the first described pipeline 11 and second pipe 12 are provided with unidirectional valve 13,
Described heat sink 7 comprises compressor 7.1, evaporator 7.2, condenser 7.3 and throttling arrangement 7.4, described compressor 7.1, evaporator 7.2, condenser 7.3 and throttling arrangement 7.4 connect into loop by pipeline, the entrance point of described evaporator 7.2 is connected to cooling pipeline 15, and the port of export of described evaporator 7.3 is connected to admission line 3;
Described drying device 8 comprises drying box 8.1, is provided with multistage drying plate with holes 8.2 in described drying box 8.1, and described drying plate 8.2 with holes is provided with ventilative drying layer 8.3;
Described temperature sensor 5 and humidity sensor 6 are all connected to microcontroller 14, and the output of described microcontroller 14 connects compressor 7.1, induced draft fan 4, first three-way solenoid valve 9, second three-way solenoid valve 10;
Described buffer unit 17 comprises the first base 17.1 of being arranged at bottom transformer body 1 and is fixed on ground second base 17.2, the first described base 17.1 is provided with backstay 17.3, described backstay 17.3 matches with the location hole 17.4 be arranged on the second base 17.2, the bottom of described backstay 17.3 is provided with a buffer body 17.5, the bottom of described buffer body 17.5 is provided with a sealing gasket 17.6, described sealing gasket 17.6 is fixed on the bottom of described buffer body 17.5 by steel plate 17.7, on described backstay 17.3, also cover has Compress Spring 17.8, the two ends of described Compress Spring 17.8 are individually fixed on the first base 17.1 and the second base 17.2.
By arranging admission line 3 and outlet pipe 2, the air of dry-type transformer inside being guided in heat sink 7 and drying device 8 and carrying out cooling and drying process;
Temperature value and the humidity value of dry-type transformer inner air is gathered by temperature sensor 5 and humidity sensor 6, and the temperature value collected and humidity value are passed to microcontroller 14, microcontroller 14 controls the first three-way solenoid valve 9, second three-way solenoid valve 10, induced draft fan 4 and compressor 7.1 according to the temperature value collected and humidity value and works, and completes to fall gently dried process to dry-type transformer inner air;
When the temperature value that the temperature sensor 5 in dry-type transformer collects is higher than predetermined value, microcontroller 14 controls induced draft fan 4 and compressor 7.1 works, and by control first three-way solenoid valve 9 and the second three-way solenoid valve 10, after making the gas in dry-type transformer only pass through heat sink 7, get back to dry-type transformer inside by admission line 3;
When the humidity value that the humidity sensor 6 in dry-type transformer collects is higher than predetermined value, microcontroller 14 controls induced draft fan 4 and works, and by control first three-way solenoid valve 9 and the second three-way solenoid valve 10, after making the gas in dry-type transformer only pass through drying device 8, get back to dry-type transformer inside by admission line 3;
The temperature value collected when the temperature sensor 5 in dry-type transformer is higher than predetermined value, when simultaneously the humidity value that collects of humidity sensor 6 is higher than predetermined value, microcontroller 14 controls induced draft fan 4, compressor 7.1 works, and by control first three-way solenoid valve 9 and the second three-way solenoid valve 10, make gas in dry-type transformer first through drying device 8 again through heat sink 7, finally get back to dry-type transformer inside by admission line 3;
By arranging ventilative drying layer 8.3 in the drying box 8.1 of drying device, drying is carried out to the air entered in drying box 8.1;
By arranging buffer unit 17 in the bottom of transformer body 1, what utilize backstay 17.3 and location hole 17.4 coordinates the movement effectively can avoiding transformer body 1 horizontal direction, utilizes Compress Spring 17.8 and sealing gasket 17.6 effectively can cushion transformer body 1 in vertical vibrations.
In the present embodiment, what described drying plate 8.2 with holes tilted is arranged at drying box 8.1 inside; What drying plate 8.2 with holes tilted is arranged at drying box 8.1 inside, can strengthen the assimilation effect of moisture in ventilative drying layer 8.3 pairs of gases.
In the present embodiment, the inclination angle of described drying plate 8.2 with holes is 60 degree; The inclination angle of drying plate 8.2 with holes is set to 60 degree, effectively can strengthens the drying effect to gas.
In the present embodiment, in described drying box, be provided with level Four drying plate 8.2 with holes; Fully drying the gas of drying box 8.1 can be entered by arranging level Four drying plate 8.2 with holes.
In the present embodiment, described ventilative drying layer 8.3 is spongy layer; Adopt spongy layer can guarantee the drying effect to the gas entered in right chamber as ventilative drying layer.
In the present embodiment, the thickness of described spongy layer is 1cm; The thickness of spongy layer is set to 1cm and can either absorbs moisture in gas by fuel tank, and save cost.
Preferred implementation of the present utility model is only above; but the utility model is not limited thereto; any those skilled in the art can think there is no creationary change; and do not departing from the some improvements and modifications done under the utility model principle prerequisite, all should drop in protection range of the present utility model.
Claims (6)
1. a dry-type transformer, comprise transformer body, described transformer body is provided with outlet pipe and admission line, the bottom of described transformer body is provided with buffer unit, described outlet pipe and admission line are all communicated to transformer body inside, described outlet pipe is provided with induced draft fan, and described transformer body inside is provided with temperature sensor and humidity sensor, it is characterized in that: described outlet pipe is connected with the first three-way solenoid valve, the delivery outlet of the first described three-way solenoid valve is connected with cooling pipeline and drying duct, described cooling pipeline is connected to the arrival end of heat sink, described drying duct is connected to the arrival end of drying device, the port of export of described heat sink is connected to admission line, the port of export of described drying device is connected with the second three-way solenoid valve, the output of the second described three-way solenoid valve is connected with the first pipeline and second pipe, described first pipeline is connected to cooling pipeline, described second pipe is connected to admission line, the first described pipeline and second pipe are provided with unidirectional valve,
Described heat sink comprises compressor, evaporator, condenser and throttling arrangement, described compressor, evaporator, condenser and throttling arrangement connect into loop by pipeline, the entrance point of described evaporator is connected to cooling pipeline, and the port of export of described evaporator is connected to admission line;
Described drying device comprises drying box, is provided with multistage drying plate with holes in described drying box, and described drying plate with holes is provided with ventilative drying layer;
Described temperature sensor and humidity sensor are all connected to microcontroller, and the output of described microcontroller connects compressor, induced draft fan, the first three-way solenoid valve, the second three-way solenoid valve;
Described buffer unit comprises and is arranged at the first base bottom transformer body and is fixed on ground second base, the first described base is provided with backstay, described backstay matches with the location hole be arranged on the second base, the bottom of described backstay is provided with a buffer body, the bottom of described buffer body is provided with a sealing gasket, described sealing gasket is by the bottom of Interal fixation in described buffer body, on described backstay, also cover has Compress Spring, and the two ends of described Compress Spring are individually fixed on the first base and the second base.
2. a kind of dry-type transformer according to claim 1, is characterized in that: what described drying plate with holes tilted is arranged at drying box inside.
3. a kind of dry-type transformer according to claim 2, is characterized in that: the inclination angle of described drying plate with holes is 60 degree.
4. a kind of dry-type transformer according to claim arbitrary in claims 1 to 3, is characterized in that: be provided with level Four drying plate with holes in described drying box.
5. a kind of dry-type transformer according to claim 4, is characterized in that: described ventilative drying layer is spongy layer.
6. a kind of dry-type transformer according to claim 5, is characterized in that: the thickness of described spongy layer is 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520501523.4U CN204792307U (en) | 2015-07-13 | 2015-07-13 | Dry transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520501523.4U CN204792307U (en) | 2015-07-13 | 2015-07-13 | Dry transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204792307U true CN204792307U (en) | 2015-11-18 |
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ID=54532307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520501523.4U Expired - Fee Related CN204792307U (en) | 2015-07-13 | 2015-07-13 | Dry transformer |
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| Country | Link |
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| CN (1) | CN204792307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159770A (en) * | 2016-08-25 | 2016-11-23 | 国网山东省电力公司阳信县供电公司 | A kind of buried substation of band emergency alarm device |
-
2015
- 2015-07-13 CN CN201520501523.4U patent/CN204792307U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159770A (en) * | 2016-08-25 | 2016-11-23 | 国网山东省电力公司阳信县供电公司 | A kind of buried substation of band emergency alarm device |
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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: 20151118 Termination date: 20160713 |