CN202158912U - Temperature rise test device of winding temperature gauge for transformer - Google Patents
Temperature rise test device of winding temperature gauge for transformer Download PDFInfo
- Publication number
- CN202158912U CN202158912U CN2011202660084U CN201120266008U CN202158912U CN 202158912 U CN202158912 U CN 202158912U CN 2011202660084 U CN2011202660084 U CN 2011202660084U CN 201120266008 U CN201120266008 U CN 201120266008U CN 202158912 U CN202158912 U CN 202158912U
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- 238000012360 testing method Methods 0.000 title claims abstract description 63
- 238000004804 winding Methods 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000005259 measurement Methods 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 11
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 9
- 235000015927 pasta Nutrition 0.000 claims description 4
- 238000003756 stirring Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 11
- 238000007689 inspection Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model relates to a temperature rise test device of a winding temperature gauge for a transformer, which is characterized by mainly comprising a constant temperature tank capable of simulating oil face temperature of the transformer and a constant flow source capable of simulating output current of a current transformer of the transformer. The constant temperature tank is composed of a temperature controller, a temperature gauge seat, a working cavity and a stirring mechanism. The constant flow source is composed of a transformer, a circuit portion, an output control device and an integrated circuit tester (ICT). The temperature test device integrates the constant temperature tank and the constant flow source, greatly reduces the size and the weight of the equipment, and is suitable for industrial application. Workers can conveniently operate and carry the temperature rise test device.
Description
Technical field
The utility model relates generally to the temperature rise test device of a kind of transformer with winding temperature gage, particularly relates to calibrating and the regulation experiment device of a kind of transformer with winding temperature gage.
Background technology
In the transformer use; Winding temperature gage comes the temperature of actual reflection transformer work winding through the analogue copper oil temperature difference; Heating wire heating cycle that it is built-in and the running parameter of transformer coupling; Therefore, how the to adjust temperature rise parameter of winding temperature gage is very crucial to accurate reflection winding temperature.The current domestic logical calibration cell of a Daepori that generally uses is as the reference oil temperature; With pressure regulator loading output current analog current transformer current; Need in the actual process of adjusting to prepare equipment such as calibration cell, pressure regulator, load, connecting line, supervisory instrument, for the staff, extremely not convenient; The current stability of pressure regulator loading output simultaneously is not good, can directly have influence on the accuracy of winding temperature gage yet; As adopt above equipment to transformer working site calibration or to adjust be difficulty very.
The utility model content
1, utility model purpose:
The utility model has proposed a kind of transformer with winding temperature gage temperature rise test device to the problems referred to above, has integrated portable constant temperature groove and constant current source, make winding temperature gage calibrating and adjust easier, accurate, quick.
2, technical scheme:
The utility model is realized through following technical scheme:
A kind of transformer is characterized in that with winding temperature gage temperature rise test device: but but this test unit mainly comprises the constant current source of the calibration cell analogue transformer current transformer output current of analogue transformer pasta temperature; Wherein calibration cell is made up of temperature controller, temperature meter base, working cavity and rabbling mechanism; Constant current source is made up of transformer, circuit part, output-controlling device and Ict measurement mechanism.
This test unit also comprises slave part, and slave part is: be arranged on the Ict output lead and the Ih measuring lead wire of this top, test unit back, be used to connect seized winding temperature gage; The Ih display device, Ict measurement mechanism calibration jack and the Ih that are arranged on this test unit panel show the calibration jack, and external calibrated lead.
The temperature controller of said calibration cell is arranged on the panel of this test unit, and this test unit top is provided with temperature meter base, and the temperature meter base below is provided with working cavity and rabbling mechanism.
The Ict measurement mechanism of said constant current source is arranged on the panel of this test unit, and is connected with circuit part, and the circuit part below is respectively equipped with transformer and output-controlling device.
This below, test unit back is provided with total power switch and supply socket; Also be provided with Ih on this test unit panel and measure conversion knob, Ict adjusting knob and electric current output switch.
Said Ict measurement mechanism and Ih display device can show that calibrating jack and the external standard amperemeters of external calibrated lead and voltage table calibrates through Ict measurement mechanism calibration jack, Ih.
The electric current of said constant current source output can be through the adjustment of Ict adjusting knob, and the electric current setting range is 0.5A ~ 5A.
This test unit is measured the conversion knob through Ih and is carried out the conversion between voltage and the current measurement.
This test unit comprises respectively 1 of calibration cell and constant current source at least.
3, advantage and effect:
This transformer that the utility model proposes has following advantage with winding temperature gage temperature rise test device:
(1) transformer can guarantee oily temperature calibration cell temperature constant of analogue transformer with winding temperature gage temperature rise test device, and reliable and stable electric current output can be provided again;
(2) integrate calibration cell and constant current source, reduced the volume and weight of equipment significantly;
(3) be equipped with a complete set of wiring and control survey equipment, made things convenient for the staff to operate and carry.
Description of drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model structural representation;
Synoptic diagram when Fig. 3 is the utility model use;
Synoptic diagram when Fig. 4 is the utility model use.
Description of reference numerals:
1-Ih measures the conversion knob; 2-Ih shows the calibration jack; 3-electric current output switch; 4-Ict measurement mechanism calibration jack; 5-Ict adjusting knob; 6-Ict measurement mechanism; 7-temperature controller; 8-Ih display device; 9-temperature meter base; 10-working cavity; 11-circuit part; 12-rabbling mechanism; 13-transformer; 14-output-controlling device; 15-external calibrated lead; 16-Ict output lead; 17-Ih measuring lead wire; 18-total power switch; 19-supply socket; 20-Ict input gear knob; 21-Ih adjusts knob; 22-compound transmitter; 23-compound transmitter Ict input terminal; 24-compound transmitter Ih measurement terminal.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done further explanation:
A kind of transformer is with winding temperature gage temperature rise test device, and is as shown in fig. 1, but but this test unit mainly comprises the constant current source of the calibration cell analogue transformer current transformer output current of analogue transformer pasta temperature; Wherein calibration cell is made up of temperature controller 7, temperature meter base 9, working cavity 10 and rabbling mechanism 12; Constant current source is made up of transformer 13, circuit part 11, output-controlling device 14 and Ict measurement mechanism 6.
Shown in Fig. 2, Fig. 3 and Fig. 4; This test unit also comprises slave part; Slave part is: the Ict output lead 16 and Ih measuring lead wire 17 that are arranged on this top, test unit back; These two lead-in wires connect the compound transmitter Ict input terminal 23 and compound transmitter Ih measurement terminal 24 of seized winding temperature gage respectively, and the Ih display device 8, Ict measurement mechanism calibration jack 4 and the Ih that are arranged on this test unit panel show calibration jack 2, and external calibrated lead 15; The thermometer bulb of compound transmitter 22 is installed in the temperature meter base 9 of calibration cell, and is connected with Ih measuring lead wire 17 with Ict output lead 16, and compound transmitter 22 tops also are provided with Ict input gear knob 20 and Ih adjustment knob 21.
As shown in fig. 1; The temperature controller 7 of said calibration cell is arranged on the panel of this test unit; This test unit top is provided with temperature meter base 9, and temperature meter base 9 belows are provided with working cavity 10 and rabbling mechanism 12, and this calibration cell can analogue transformer pasta temperature and winding temperature gage installation form.
The Ict measurement mechanism 6 of said constant current source is arranged on the panel of this test unit, and is electrically connected each other with circuit part 11, and circuit part 11 belows are respectively equipped with transformer 13 and output-controlling device 14, and this constant current source can the output of analogue transformer transformer current.
This below, test unit back is provided with total power switch 18 and supply socket 19; Also be provided with Ih on this test unit panel and measure conversion knob 1, Ict adjusting knob 5 and electric current output switch 3.
Said Ict measurement mechanism 6 can show that calibrating jack 2 and external calibrated lead 15 external standard amperemeters and voltage table calibrates through Ict measurement mechanism calibration jack 4, Ih with Ih display device 8.
Said constant current source can be exported stable electric current by the analogue transformer current transformer, and the electric current of constant current source output is adjusted through Ict adjusting knob 5, and the electric current setting range is 0.5A ~ 5A.
When this test unit carries out the Ih measurement, can measure the conversion that conversion knob 1 carries out between voltage and the current measurement through Ih.
This test unit comprises respectively 1 of calibration cell and constant current source at least, also can be provided with a plurality of according to actual conditions.
This transformer of the utility model uses winding temperature gage temperature rise test device principle of work to be: come analogue transformer oil temperature with the oily temperature in the calibration cell working cavity 10; Simulate the winding temperature gage installment state with temperature meter base 9, come analogue transformer mutual inductor output current with the constant current source output current.
The utility model course of work is following:
1, checks that at first transformer is no abnormal with each parts surface of winding temperature gage temperature rise test device panel; Inspection also guarantees that the electric current output switch 3 on the temperature rise test device panel is in the closed position; Inspection also guarantees that the Ih measurement conversion knob 1 on the temperature rise test device panel is in and seized compound transmitter Ih measurement type consistent state; Power lead is inserted temperature rise test device back supply socket 19 and guarantees to connect reliable.
2, open the total power switch 18 at temperature rise test device back, whether inspection calibration cell temperature controller 7 design temperatures are 80 ℃; Treat whether the temperature in the stable back inspection of the calibration cell temperature controller 7 displayed values working cavity 10 is 80 ℃; The thermometer bulb of the compound transmitter 22 of seized winding temperature gage is inserted in the temperature meter base 9 of temperature rise test device working cavity 10 tops, and stable 45min is to guarantee that the winding temperature gage indicating value is stable.
3, adjust and the Ict input gear knob 20 of guaranteeing compound transmitter 22 tops is applicable to and detects required rated current size, the rated current size confirms that by transformer current mutual inductor output valve it is worth generally between 0.5A ~ 5A; Ict output lead 16 is inserted compound transmitter Ict input terminal 23; Ih measuring lead wire 17 is inserted compound transmitter Ih measurement terminal 24.
4, the electric current of opening on the temperature rise test device panel is exported switch 3; Regulating Ict adjusting knob 5 makes Ict measurement mechanism 6 displayed values and rated current consistent; The Ih adjustment knob of regulating on the compound transmitter 22 21 changes Ih display device 8, makes it to meet the specified copper oil of transformer temperature difference current corresponding value.
5, wait to stablize the indicating value that read winding temperature gage in 45 minutes; Detect and accomplish the electric current output switch 3 that to close on the temperature rise test device panel; Remove Ict output lead 16 and Ih measuring lead wire 17, change winding temperature gage and examine and determine.
6, also available if needed external calibrated lead 15 inserts Ih demonstration calibration jack 2 and inserts standard voltmeters, or inserts Ict measurement mechanism calibration jacks 4 access standard amperemeters with external calibrated lead 15, and winding temperature gage temperature rise test device is demarcated.
Thermal simulation characteristic-temperature rise and electric current correspondence table:
Claims (9)
1. a transformer is characterized in that with winding temperature gage temperature rise test device: but but this test unit mainly comprises the constant current source of the calibration cell analogue transformer current transformer output current of analogue transformer pasta temperature; Wherein calibration cell is made up of temperature controller (7), temperature meter base (9), working cavity (10) and rabbling mechanism (12); Constant current source is made up of transformer (13), circuit part (11), output-controlling device (14) and Ict measurement mechanism (6).
2. transformer according to claim 1 is with winding temperature gage temperature rise test device; It is characterized in that: this test unit also comprises slave part; Slave part is: the Ict output lead (16) and the Ih measuring lead wire (17) that are arranged on this top, test unit back; The Ih display device (8), Ict measurement mechanism calibration jack (4) and the Ih that are arranged on this test unit panel show calibration jack (2), and external calibrated lead (15).
3. transformer according to claim 1 is with winding temperature gage temperature rise test device; It is characterized in that: the temperature controller of said calibration cell (7) is arranged on the panel of this test unit; This test unit top is provided with temperature meter base (9), and temperature meter base (9) below is provided with working cavity (10) and rabbling mechanism (12).
4. transformer according to claim 1 is characterized in that with winding temperature gage temperature rise test device:
The Ict measurement mechanism (6) of said constant current source is arranged on the panel of this test unit, and is connected with circuit part (11), and circuit part (11) below is respectively equipped with transformer (13) and output-controlling device (14).
5. transformer according to claim 1 is characterized in that with winding temperature gage temperature rise test device: this below, test unit back is provided with total power switch (18) and supply socket (19); Also be provided with Ih on this test unit panel and measure conversion knob (1), Ict adjusting knob (5) and electric current output switch (3).
According to claim 1,2 or 4 described transformers with winding temperature gage temperature rise test device, it is characterized in that: said Ict measurement mechanism (6) and Ih display device (8) can show that calibration jack (2) and the external standard amperemeters of external calibrated lead (15) and voltage table calibrate through Ict measurement mechanism calibration jack (4), Ih.
According to claim 1 or 5 described transformers with winding temperature gage temperature rise test device, it is characterized in that: the electric current of said constant current source output can be through Ict adjusting knob (5) adjustment, and the electric current setting range is 0.5A ~ 5A.
According to claim 1 or 5 described transformers with winding temperature gage temperature rise test device, it is characterized in that: this test unit is measured conversion knob (1) through Ih and is carried out the conversion between voltage and the current measurement.
According to claim 1,2,3,4 or 5 described transformers with winding temperature gage temperature rise test device, it is characterized in that: this test unit comprises each 1 of calibration cell and constant current source at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202660084U CN202158912U (en) | 2011-07-26 | 2011-07-26 | Temperature rise test device of winding temperature gauge for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202660084U CN202158912U (en) | 2011-07-26 | 2011-07-26 | Temperature rise test device of winding temperature gauge for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158912U true CN202158912U (en) | 2012-03-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202660084U Expired - Fee Related CN202158912U (en) | 2011-07-26 | 2011-07-26 | Temperature rise test device of winding temperature gauge for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158912U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359833A (en) * | 2011-07-26 | 2012-02-22 | 东北电力科学研究院有限公司 | Temperature rise test device of winding thermometer for transformer |
| CN104316207A (en) * | 2014-10-31 | 2015-01-28 | 国家电网公司 | Winding temperature real-time monitoring device and method used in transformer temperature rise test |
| CN108362402A (en) * | 2018-04-02 | 2018-08-03 | 广东电网有限责任公司 | A kind of winding temperature table copper oil temperature difference simulation test device |
| CN110686804A (en) * | 2019-09-20 | 2020-01-14 | 广东蓄能发电有限公司 | Automatic temperature control and measurement method based on temperature cooker communication |
-
2011
- 2011-07-26 CN CN2011202660084U patent/CN202158912U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359833A (en) * | 2011-07-26 | 2012-02-22 | 东北电力科学研究院有限公司 | Temperature rise test device of winding thermometer for transformer |
| CN104316207A (en) * | 2014-10-31 | 2015-01-28 | 国家电网公司 | Winding temperature real-time monitoring device and method used in transformer temperature rise test |
| CN104316207B (en) * | 2014-10-31 | 2017-02-15 | 国家电网公司 | Winding temperature real-time monitoring device and method used in transformer temperature rise test |
| CN108362402A (en) * | 2018-04-02 | 2018-08-03 | 广东电网有限责任公司 | A kind of winding temperature table copper oil temperature difference simulation test device |
| CN110686804A (en) * | 2019-09-20 | 2020-01-14 | 广东蓄能发电有限公司 | Automatic temperature control and measurement method based on temperature cooker communication |
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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: HANGZHOU KEHONG INSTRUMENT CO., LTD. LIAONING DONG Free format text: FORMER OWNER: HANGZHOU KEHONG INSTRUMENT CO., LTD. LIAONING DONGKE POWER CO., LTD. Effective date: 20121108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121108 Address after: Heping District, Siping City of Shenyang province Liaoning 110006 Street No. 39 Patentee after: Northeast Electric Power Research Institute Co., Ltd. Patentee after: Hangzhou Kehong Instrument Co., Ltd. Patentee after: Liaoning Dongke Power Co., Ltd. Patentee after: Liaoning Electric Power Co., Ltd.Electric Power Science Research Institute Patentee after: State Grid Corporation of China Address before: Heping District, Siping City of Shenyang province Liaoning 110006 Street No. 39 Patentee before: Northeast Electric Power Research Institute Co., Ltd. Patentee before: Hangzhou Kehong Instrument Co., Ltd. Patentee before: Liaoning Dongke Power Co., Ltd. |
|
| 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: 20120307 Termination date: 20200726 |