CN203519788U - Main transformer temperature relay verifying device - Google Patents
Main transformer temperature relay verifying device Download PDFInfo
- Publication number
- CN203519788U CN203519788U CN201320573538.2U CN201320573538U CN203519788U CN 203519788 U CN203519788 U CN 203519788U CN 201320573538 U CN201320573538 U CN 201320573538U CN 203519788 U CN203519788 U CN 203519788U
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- China
- Prior art keywords
- temperature
- heating
- main transformer
- signal display
- temperature relay
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- Expired - Fee Related
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- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 239000000523 sample Substances 0.000 claims abstract description 11
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a main transformer temperature relay verifying device comprising a housing, a temperature measuring portion, a signal display portion, and a heating portion; the temperature measuring portion and the heating portion are wrapped by the housing, and the signal display portion is arranged on the housing; the temperature measuring portion comprises an electronic thermometer and a probe; the heating portion comprises a heating barrel, a heating loop and a temperature adjusting turning button; the signal display portion comprises a heating indication lamp, a 60 DEG C verifying motion indication lamp and a 80 DEG C verifying motion indication lamp; the heating loop provides heat energy for the heating barrel; the temperature adjusting turning button controls the heating temperature of the heating loop; the probe is placed in the heating barrel; the main transformer temperature relay verifying device can display the temperature of insulation oil in real time, can reliably verify whether the main transformer temperature relay normally works or not and node motion is accurate or not, so the main transformer is effectively protected, thereby providing reliable prevention protection for power system.
Description
Technical field
The utility model relates to a kind of main transformer temperature relay calibration equipment.
Background technology
Temperature is the important evidence of main transformer safe operation under high temperature high-load condition, and in summer, weather high temperature is sultry, be also to concentrate the electricity consumption phase, and most main transformer oeprations at full load, winding temperature and oil temperature all approach ultimate value; If temperature relay can accurately displays temperature or node can not be reliably closed, will cause main transformer scaling loss, large-area power-cuts, be difficult at short notice restore electricity, the serious consequence of a large amount of electric quantity losses, very large to customer impact, so the quality of temperature relay directly affects the safe operation of electrical network.
Utility model content
The purpose of this utility model is for addressing the above problem, and a kind of main transformer temperature relay calibration equipment is provided, and this installs reliable checking main transformer temperature relay, when insulating oil arrives 60 ℃ and 80 ℃, verifies whether temperature relay moves.
For achieving the above object, the utility model is by the following technical solutions:
A main transformer temperature relay calibration equipment, comprises housing, temperature survey part, signal display section, heating part, part of detecting; Wherein, housing parcel temperature survey part, heating part, part of detecting, signal display section is installed on housing; Heating part connects temperature survey part, and temperature survey part, part of detecting connect signal display section; Temperature survey partly comprises electronic thermometer, probe; Heating part comprises that thermotank, heating circuit, temperature regulate rotary knob; Signal display section comprises burner on light, 60 ℃ of checkout action pilot lamp, 80 ℃ of checkout action pilot lamp; Wherein, probe connecting electronic thermometer; Heating circuit provides heat to thermotank, and burner on light connects heating circuit, and temperature regulates rotary knob to control the heating-up temperature of heating circuit, and probe is positioned in thermotank; Part of detecting connects main transformer temperature relay.Described heating circuit adopts the heating wire of 200W.
Described thermotank altitude range is: 14-18cm, diameter range is: 15-25cm.
Described electronic thermometer is selected ST-1A type electronic thermometer, and temperature-measuring range is 0 ℃-100 ℃.
Described signal display section adopts 3V light emitting diode, and current margin is at 10-20mA, and burner on light, 80 ℃ of checkout action pilot lamp are red light emitting diodes, and 60 ℃ of checkout action pilot lamp are yellow light-emitting diode.
Principle of the present utility model is: the insulating oil in thermotank is heated, when temperature rises to 60 ℃, the normal opened contact of main transformer temperature relay is closed, and checkout action pilot lamp has electric current to pass through, conducting is luminous, shows that 60 ℃ of nodes of main transformer temperature relay are working properly; When temperature rises to 80 ℃, the normal opened contact of main transformer temperature relay is closed, and checkout action pilot lamp has electric current to pass through, and conducting is luminous, shows that 80 ℃ of nodes of main transformer temperature relay are working properly.
The beneficial effects of the utility model are: effectively whether checking main transformer temperature relay normally works, and effectively protects main-transformer, for electric system provides reliable prevention protection.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present utility model;
Fig. 2 is checkout action indicator light circuit figure of the present utility model;
Fig. 3 is the test circuit figure of 80 ℃ of checkout action normal opened contacts of the present utility model.
Wherein, 1, thermometer probe; 2, thermotank; 3, housing; 4,60 ℃ of checkout action pilot lamp; 5, electronic thermometer; 6, burner on light; 7, temperature regulates rotary knob; 8,80 ℃ of checkout action pilot lamp; 9, heating wire; 10, power supply; 11, resistance R; 12, the normal opened contact of main transformer temperature relay.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, a kind of main transformer temperature relay calibration equipment, comprises housing 3, temperature survey part, signal display section, heating part; Wherein, housing 3 parcel temperature survey parts, heating part, signal display section is installed on housing 3; Temperature survey partly comprises electronic thermometer 5, thermometer probe 1; Heating part comprises that thermotank 2, heating circuit, temperature regulate rotary knob 7; Signal display section comprises 4,80 ℃ of checkout action pilot lamp 8 of 6,60 ℃ of checkout action pilot lamp of burner on light; Wherein, heating circuit provides heat to thermotank 2, and temperature regulates rotary knob 7 to control the heating-up temperature of heating circuit, and thermometer probe 1 is positioned in thermotank 2.
Signal display section adopts 3V light emitting diode, and current margin is at 10-20mA, and 6,80 ℃ of checkout action pilot lamp 8 of burner on light are selected red light emitting diodes, and 60 ℃ of checkout action pilot lamp 4 are selected yellow light-emitting diode.
As shown in Figure 2, heating circuit comprises that power supply 10, resistance R 11, burner on light 6, temperature regulate rotary knob 7, heating wire 9, wherein, and after temperature regulates rotary knob 7 series electrical heated filaments 9, branch circuit parallel connection after connecting with resistance R 11 and burner on light 6, is together connected on power supply 10.Heating circuit adopts the heating wire 9 of 200W, and temperature regulates the break-make of rotary knob 7 control circuits, the power of heating wire 9; When temperature regulates rotary knob 7 to open heating circuit, burner on light 6 is bright, shows and has started the insulating oil in thermotank 2 to heat.
As shown in Figure 3, the test circuit of 80 ℃ of checkout action normal opened contacts is: the normal opened contact 12 resistance in series R11 of main transformer temperature relay, 10,80 ℃ of checkout action pilot lamp 8 of power supply.Main transformer temperature relay has two normal opened contacts, accesses respectively 80 ℃ of checkout action pilot lamp 8 and 60 ℃ of checkout action pilot lamp 4, at different working values, connects different light emitting diodes.
Although above-mentioned, by reference to the accompanying drawings embodiment of the present utility model is described; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (5)
1. a main transformer temperature relay calibration equipment, is characterized in that: comprise housing, temperature survey part, signal display section, heating part, part of detecting; Wherein, housing parcel temperature survey part, heating part, part of detecting, signal display section is installed on housing; Heating part connects temperature survey part, and temperature survey part, part of detecting connect signal display section; Temperature survey partly comprises electronic thermometer, probe; Heating part comprises that thermotank, heating circuit, temperature regulate rotary knob; Signal display section comprises burner on light, 60 ℃ of checkout action pilot lamp, 80 ℃ of checkout action pilot lamp; Wherein, probe connecting electronic thermometer; Heating circuit provides heat to thermotank, and burner on light connects heating circuit, and temperature regulates rotary knob to control the heating-up temperature of heating circuit, and probe is positioned in thermotank; Part of detecting connects main transformer temperature relay.
2. a kind of main transformer temperature relay calibration equipment as claimed in claim 1, is characterized in that: described heating circuit adopts the heating wire of 200W.
3. a kind of main transformer temperature relay calibration equipment as claimed in claim 1, is characterized in that: described thermotank altitude range is: 14-18cm, diameter range is: 15-25cm.
4. a kind of main transformer temperature relay calibration equipment as claimed in claim 1, is characterized in that: described electronic thermometer is selected ST-1A type electronic thermometer, and temperature-measuring range is 0 ℃-100 ℃.
5. a kind of main transformer temperature relay calibration equipment as claimed in claim 1, it is characterized in that: described signal display section adopts 3V light emitting diode, current margin is at 10-20mA, burner on light, 80 ℃ of checkout action pilot lamp are red light emitting diodes, and 60 ℃ of checkout action pilot lamp are yellow light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573538.2U CN203519788U (en) | 2013-09-16 | 2013-09-16 | Main transformer temperature relay verifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573538.2U CN203519788U (en) | 2013-09-16 | 2013-09-16 | Main transformer temperature relay verifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203519788U true CN203519788U (en) | 2014-04-02 |
Family
ID=50378702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320573538.2U Expired - Fee Related CN203519788U (en) | 2013-09-16 | 2013-09-16 | Main transformer temperature relay verifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203519788U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548868A (en) * | 2015-12-05 | 2016-05-04 | 中国航空工业集团公司洛阳电光设备研究所 | Performance test device and method for temperature switch |
| CN108341074A (en) * | 2018-05-07 | 2018-07-31 | 上海海鹰机械厂 | 2600M thermoregulator testers |
| CN111765991A (en) * | 2020-06-18 | 2020-10-13 | 国家电网有限公司 | Pressure type main transformer thermometer indicating and checking device |
-
2013
- 2013-09-16 CN CN201320573538.2U patent/CN203519788U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548868A (en) * | 2015-12-05 | 2016-05-04 | 中国航空工业集团公司洛阳电光设备研究所 | Performance test device and method for temperature switch |
| CN108341074A (en) * | 2018-05-07 | 2018-07-31 | 上海海鹰机械厂 | 2600M thermoregulator testers |
| CN108341074B (en) * | 2018-05-07 | 2023-11-21 | 上海海鹰机械厂 | 2600M Temperature Regulator Calibrator |
| CN111765991A (en) * | 2020-06-18 | 2020-10-13 | 国家电网有限公司 | Pressure type main transformer thermometer indicating and checking 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 |
Granted publication date: 20140402 Termination date: 20150916 |
|
| EXPY | Termination of patent right or utility model |