CN201556107U - Intelligent temperature controller of dry-type transformer - Google Patents
Intelligent temperature controller of dry-type transformer Download PDFInfo
- Publication number
- CN201556107U CN201556107U CN2009202114919U CN200920211491U CN201556107U CN 201556107 U CN201556107 U CN 201556107U CN 2009202114919 U CN2009202114919 U CN 2009202114919U CN 200920211491 U CN200920211491 U CN 200920211491U CN 201556107 U CN201556107 U CN 201556107U
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- temperature
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- dry
- type transformer
- controller
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Abstract
An intelligent temperature controller of dry-type transformer relates to the technical field of automatic control, and comprises a temperature detecting unit and a control unit, wherein the control unit is connected with a temperature signal processing unit, a main controller and a radiating unit capable of radiating the dry-type transformer sequentially, the temperature detecting unit is connected with the input end of the temperature signal processing unit in the control unit, the temperature signal processing unit carries out signal processing on the temperature data collected by the temperature detecting unit and transfers the signal into the main controller so as to enable the main controller to judge whether the radiating unit is required to be started to radiate the dry-type transformer; the temperature controller also comprises a man-machine interactive interface unit, a temperature rise automatic control unit, a high temperature alarm unit, a high temperature trip unit and the temperature detecting unit which are connected with the main controller respectively. The utility model has the beneficial effects that as the winding temperature of the dry-type transformer rises to a certain value as the load of the dry-type transformer increases, by collecting the temperature signal on the transformer, the temperature controller enables the main controller to start the radiating fan to forcedly ventilate the transformer to reduce the temperature after the internal calculation process is completed, thereby ensuring the dry-type transformer to work under a safe temperature all the time.
Description
Technical field
The utility model relates to the automatic control technology field, specifically is a kind of dry-type transformer intelligent temperature controller.
Background technology
At present, the heat radiation of dry-type transformer is mainly carried out the nature cooling by cross-ventilation, service condition to the environment degree of dependence than higher, if running environment can not get control, in high temperature, use lastingly, the operational reliability of transformer is reduced greatly, and transformer's life span is shortened, perhaps cause permanent damage.So guarantee the reliability service of dry-type transformer, change need be carried out radiating treatment to it, if also can not get solving, it is out of service immediately transformer to be connected disconnection.
Existing dry-type transformer with the common complex structure of temperature controller, the manufacturing cost height, it is to be solved to be badly in need of letter.
The utility model content
The technical matters that the utility model solved is to provide a kind of encapsulation fastening, and dismantles easy to maintenancely, can be dry-type transformer suitable temperature running environment is provided, and effectively improves the intelligent temperature controller of power supply reliability.
The technical matters that the utility model solved realizes by the following technical solutions:
A kind of dry-type transformer temperature controller comprises temperature detecting unit and control module, described control module connects the processes temperature signal unit successively, master controller and the heat-sink unit that can dispel the heat to dry-type transformer, the input end of the processes temperature signal unit in described temperature detecting unit and the control module links to each other, the processes temperature signal unit carries out signal Processing to the temperature data that temperature detecting unit collects, signal is sent into master controller, judging whether to start heat-sink unit by master controller dispels the heat to dry-type transformer, it is characterized in that: described temperature controller also comprises the human-computer interaction interface unit, described human-computer interaction interface includes the button control panel in the unit, and described button control panel links to each other with master controller in the control module.
Also comprise the temperature rise automatic control unit, described temperature rise automatic control unit comprises the temperature rise inductor, and the master controller of described temperature rise inductor and control module links to each other, and controls the start and stop of blower fan automatically.
Also comprise the high temperature alarm unit, described high temperature alarm unit links to each other with master controller.
Also comprise the high temperature trip unit, described high temperature trip unit links to each other with master controller.
Described temperature detecting unit adopts the high temperature sensor detection is set, be divided on three phase windings of dry-type transformer, be respectively applied for the temperature that detects dry-type transformer three phase windings, described high temperature sensor links to each other with the input end of processes temperature signal unit in the control module respectively.
Described processes temperature signal unit comprises temperature voltage change-over circuit and analog-to-digital conversion circuit, the temperature voltage change-over circuit changes the thermal resistance change in resistance amount of temperature sensor into voltage variety, and have analog-to-digital conversion circuit that this voltage variety is converted to digital signal, sending digital signal to master controller.
The beneficial effects of the utility model are dry-type transformers along with after the increase winding temperature of load is elevated to certain value; temperature controller is by gathering the temperature signal on the transformer; and after internal calculation is handled, open radiator fan transformer is carried out the forced ventilation cooling by master controller; thereby guarantee that dry-type transformer is operated under the safe temperature always; work under the environment provided state by high temperature alarm and high temperature tripping operation assurance dry-type transformer simultaneously, reach the purpose of protection transformer.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model temperature controller;
Fig. 2 is temperature sensor among Fig. 1, processes temperature signal unit, master controller and fan circuit schematic diagram;
Fig. 3 is the outside drawing of human-computer interaction interface of the present utility model;
Fig. 4 is the outside drawing of output unit.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, the dry-type transformer temperature controller comprises temperature detecting unit and control module, human-computer interaction interface unit and output unit, wherein control module comprises processes temperature signal unit, master controller, heat-sink unit, high temperature alarm unit and high temperature trip unit.The wherein input end of processes temperature signal unit and temperature detecting unit, promptly temperature sensor links to each other, and the output terminal of processes temperature signal unit links to each other with master controller, and master controller links to each other with heat-sink unit, high temperature alarm unit and high temperature trip unit respectively.Main control also links to each other with human-computer interaction interface unit and output unit.
In the utility model, temperature detecting unit adopts installs high temperature sensor, on three phase windings respectively at dry-type transformer, be respectively applied for the temperature that detects dry-type transformer three phase windings, and continuous respectively at the processes temperature signal unit in the control module, the temperature of coming observing and controlling dry-type transformer three phase windings by the variation of temperature sensor physical parameter.
When dry-type transformer moved, temperature controller work of the present utility model had following state:
1. by the temperature of high temperature sensor real-time detection transformer, temperature data is passed to master controller, master controller collects this data, and the temperature data of these data and safe operation compared, when transformer self temperature temperature less than the unlatching fan within the safe operation scope, master controller is in detected state;
2. by the temperature of high temperature sensor real-time detection transformer, this temperature data is passed to master controller, master controller collects this data, and the temperature data of these data and safe operation compared, single transformer self temperature of working as is near needing passive heat radiation on the safe range in limited time, master controller sends instruction, opens fan, the transformer heat radiation;
3. by the temperature of high temperature sensor real-time detection transformer, this temperature data is passed to master controller, master controller collects this data, and the temperature data of these data and safe operation compared, when transformer self temperature surpasses the safe operation scope, when opening the fan heat radiation, warning signal gives the alarm;
4. by the temperature of high temperature sensor real-time detection transformer, this temperature data is passed to master controller, master controller collects this data, and the temperature data of these data and safe operation compared, when transformer self temperature further improves, exceed the transformer running temperature upper limit, provide the high temperature trip signal, stop the transformer operation.
The temperature signal that the effect of control module is an acquisition process from dry-type transformer three phase windings also carries out signal condition by the processes temperature signal unit and is converted into voltage signal, and send into master controller, thereby finish the collection of control module to temperature, master controller is handled and is judged whether to open fan for cooling or open the high temperature trip signal the temperature data of gathering, and master controller is also finished the liaison with human-computer interaction interface unit and Long-distance Control output unit.
Among Fig. 2, the single temperature sensor that temperature sensor and circuit between the processes temperature signal unit are connected on the phase winding wherein is connected with circuit between the processes temperature signal unit, and it is identical that two other temperature sensor and circuit between the processes temperature signal unit are connected in foregoing circuit.The radiator fan that also has shown in the figure is connected with circuit between the master controller.The circuit of high temperature alarm unit and high temperature trip unit is identical with the circuit structure of said fans, connects respectively at master controller.
As shown in Figure 2, the processes temperature signal unit comprises temperature voltage change-over circuit and analog-to-digital conversion circuit, and wherein the input end of analog-to-digital conversion circuit links to each other with the temperature voltage change-over circuit, and output terminal links to each other with master controller.
As shown in Figure 3,, the function of human-computer interaction interface unit comprises the temperature that shows dry-type transformer three phase windings respectively and checks the operational factor of revising this temperature controller, comprises parameters such as high temperature alarm temperature, superhigh temperature trip temperature.As shown in Figure 3, other comprises the case display control board on the interactive interface, and the display part shows the three-phase temperature and the systematic parameter of dry-type transformer, 6 kinescopes be used to finish fault, warning, overtemperature and manually, blower fan and communication function.Three buttons in control panel bottom can be made amendment to the parameter of this system, and state of a control can manually be set.
As shown in Figure 4, the control output unit comprises the signal output board, and electric current accessory power outlet, sensor socket, communication output interface, overtemperature alarm output interface, overtemperature tripping operation output interface, fault alarm output interface and power input interface are arranged on the signal output board.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a dry-type transformer intelligent temperature controller comprises temperature detecting unit and control module, described control module connects the processes temperature signal unit successively, master controller and the heat-sink unit that can dispel the heat to dry-type transformer, the input end of the processes temperature signal unit in described temperature detecting unit and the control module links to each other, the processes temperature signal unit carries out signal Processing to the temperature data that temperature detecting unit collects, signal is sent into master controller, judge whether to start heat-sink unit by master controller dry-type transformer is dispelled the heat, it is characterized in that: described temperature controller also comprises the human-computer interaction interface unit, the temperature rise automatic control unit, the high temperature alarm unit, high temperature trip unit and temperature detecting unit.
2. according to the described dry-type transformer intelligent temperature controller of claim 1, it is characterized in that: described human-computer interaction interface includes the button control panel in the unit, and the button control panel links to each other with master controller in the control module.
3. according to the described dry-type transformer intelligent temperature controller of claim 1, it is characterized in that: described high temperature alarm unit links to each other with master controller.
4. according to the described dry-type transformer intelligent temperature controller of claim 1, it is characterized in that: described temperature detecting unit adopts the high temperature sensor detection is set, be divided on three phase windings of dry-type transformer, be respectively applied for the temperature that detects dry-type transformer three phase windings, high temperature sensor links to each other with the input end of processes temperature signal unit in the control module respectively.
5. according to the described dry-type transformer intelligent temperature controller of claim 1, it is characterized in that: described processes temperature signal unit comprises temperature voltage change-over circuit and analog-to-digital conversion circuit, the temperature voltage change-over circuit changes the thermal resistance change in resistance amount of temperature sensor into voltage variety, and have analog-to-digital conversion circuit that this voltage variety is converted to digital signal, send digital signal to master controller again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202114919U CN201556107U (en) | 2009-10-29 | 2009-10-29 | Intelligent temperature controller of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202114919U CN201556107U (en) | 2009-10-29 | 2009-10-29 | Intelligent temperature controller of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201556107U true CN201556107U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202114919U Expired - Fee Related CN201556107U (en) | 2009-10-29 | 2009-10-29 | Intelligent temperature controller of dry-type transformer |
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| Country | Link |
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| CN (1) | CN201556107U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692935A (en) * | 2012-05-16 | 2012-09-26 | 张金木 | Temperature display controlling device for dry-type transformer |
| CN103592545A (en) * | 2013-11-22 | 2014-02-19 | 国家电网公司 | Transformer temperature rise abnormity monitoring and diagnosis method based on probability statistics |
| CN104166413A (en) * | 2014-08-28 | 2014-11-26 | 杭州鸿程科技有限公司 | Dry type transformer temperature controller and control method thereof |
-
2009
- 2009-10-29 CN CN2009202114919U patent/CN201556107U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692935A (en) * | 2012-05-16 | 2012-09-26 | 张金木 | Temperature display controlling device for dry-type transformer |
| CN102692935B (en) * | 2012-05-16 | 2014-07-02 | 张金木 | Temperature display controlling device for dry-type transformer |
| CN103592545A (en) * | 2013-11-22 | 2014-02-19 | 国家电网公司 | Transformer temperature rise abnormity monitoring and diagnosis method based on probability statistics |
| CN104166413A (en) * | 2014-08-28 | 2014-11-26 | 杭州鸿程科技有限公司 | Dry type transformer temperature controller and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINSHANMEN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SUZHOU JINSHANMEN TRANSFORM CO., LTD. Effective date: 20140127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215415 SUZHOU, JIANGSU PROVINCE TO: 323000 LISHUI, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140127 Address after: 323000 Shuige Industrial Park in Zhejiang province Lishui city Liandu District Nanming Road No. 795 Patentee after: Jinshanmen Technology Co., Ltd. Address before: Wenzhou Industrial Park, 215415 Taicang city in Jiangsu province Shuangfeng town (new Yang Road) Patentee before: Suzhou Jinshanmen Transformer Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20151029 |
|
| EXPY | Termination of patent right or utility model |