CN203232338U - Temperature detection, control and alarm system for transformer - Google Patents
Temperature detection, control and alarm system for transformer Download PDFInfo
- Publication number
- CN203232338U CN203232338U CN 201320112921 CN201320112921U CN203232338U CN 203232338 U CN203232338 U CN 203232338U CN 201320112921 CN201320112921 CN 201320112921 CN 201320112921 U CN201320112921 U CN 201320112921U CN 203232338 U CN203232338 U CN 203232338U
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- temperature
- transformer
- control
- chip microcomputer
- temperature detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a temperature detection, control and alarm system for a transformer, and belongs to a temperature control system. The temperature detection, control and alarm system comprises a temperature acquisition module, a single-chip microcomputer and a control mechanism. The temperature acquisition module comprises an ambient temperature sensor, a temperature sensor monitoring temperature of upper oil, and a liquid-level sensor monitoring height of an oil level. The temperature sensors and the liquid-level sensor are separately provided with a signal processing circuit. The single-chip microcomputer is provided with a signal acquisition card and a database. A feedback signal output end of the single-chip microcomputer is connected with the control mechanism. The control mechanism is connected with a transformer input-end power switch through a relay. The single-chip microcomputer is connected with an alarm and a wireless signal emitter. According to the temperature detection, control and alarm system for the transformer, temperature of the transformer can be monitored in a real-time manner, whether an abnormity occurs inside the transformer can be determined by programs, the power switch can be controlled through the relay, and an information center can be timely notified through the wireless signal emitter. The temperature detection, control and alarm system with good popularization and use value is simple, practical, safety and reliable.
Description
Technical field
The utility model belongs to the temperature control system technical field, particularly a kind of transformer temperature detection, control and warning system.
Background technology
The loss that transformer is in operation in iron core and the winding is converted into heat, causes each position heating, elevates the temperature; Heat spreads towards periphery, and when heating and heat radiation reached balance, the temperature of each several part just tended towards stability.At present, the staff patrols and examines transformer, need judge whether operate as normal of transformer according to the temperature of transformer, exceeds than usual more than 10 ℃ in oily temperature under the similarity condition as finding, thermometer is error free and when malfunctioning, think that then abnormal occurrence has appearred in transformer inside.But human factor is patrolled and examined and is occurred omission in the process easily, does not in time find potential safety hazard, causes transformer to burn out, and causes very big loss.CN 207083542 Y disclose a kind of contactless transformer temperature monitor; comprise power supply; CPU; the display, importation, output and the sampling hold circuit that connect CPU; sampling hold circuit connects non-contact temperature sensor again, and CPU connects sampling hold circuit by overvoltage crowbar.But this contactless transformer temperature monitor accident emergency is at the scene handled and the warning aspect is done is not fine, still can improve, and system is comparatively complicated.
The utility model content
The utility model purpose is to solve the problem of judging transformer duty and emergency processing by monitor temperature, and a kind of simple and practical, safe and reliable transformer temperature detection, control and warning system are provided.
To achieve these goals, the technical solution adopted in the utility model is: a kind of transformer temperature detection, control and warning system, it comprises temperature collect module, single-chip microcomputer and control gear, described temperature collect module comprises environment temperature and the temperature sensor of upper strata oil temperature and the liquid level sensor of fuel head, described temperature sensor and liquid level sensor be the signalization treatment circuit respectively, described single-chip microcomputer signalization capture card and database, described single-chip microcomputer feedback signal output terminal connects described control gear, described control gear connects transformer input end power switch by relay, and described single-chip microcomputer connects alarm.
Described temperature sensor is set to contact type temperature sensor.
Described liquid level sensor is set to static pressure throw-in type fluid level transmitter.
Described single-chip microcomputer connects wireless signal transmitter and wireless receiver.
The utility model can in time, accurately be monitored transformer real time temperature situation by temperature collect module, single-chip microcomputer and control gear, by single-chip microcomputer sensor signal is handled; Described temperature collect module comprises environment temperature and the temperature sensor of upper strata oil temperature and the liquid level sensor of fuel head, described temperature sensor and liquid level sensor be the signalization treatment circuit respectively, described single-chip microcomputer signalization capture card and database, constitute a comparatively complete monitoring, analytic system, described single-chip microcomputer feedback signal output terminal connects described control gear, described control gear connects transformer input end power switch by relay, by single-chip microcomputer two temperature signals gathering are carried out computing, and contrast with the numerical value of database, analyze, exceeding than usual under the similarity condition more than 10 ℃ when detecting the oil temperature, and when the liquid level of oil is in normal range, then abnormal occurrence has appearred in programmed decision transformer inside, by the timely control transformer switch of relay effect, prevent serious accident generations such as transformer damage, and in time connect and report to the police, point out the potential safety hazard signal near staff or the personnel of patrolling and examining; The liquid level of transformer oil is not taked action yet when normal range, so that accident potential is handled; Described temperature sensor is set to contact type temperature sensor, is applicable to the temperature of oil in transformer scope, and the precision height, and cost is low; Described liquid level sensor is set to static pressure throw-in type fluid level transmitter, and adjustment is simple, flexible for installation, and the precision height of measuring, stable strong; Described single-chip microcomputer connects wireless signal transmitter and wireless receiver, and in time conveniently fast handle accident at the announcement information center, and efficient is higher.The utility model the utility model is simple and practical, safe and reliable, has good value for applications.
Description of drawings
The utility model is further described below in conjunction with accompanying drawing:
Fig. 1 is structural representation of the present utility model.
Embodiment
As described in Figure 1, a kind of transformer temperature detection, control and warning system, it comprises temperature collect module, single-chip microcomputer 1 and control gear, described temperature collect module comprises the temperature sensor 2 of environment temperature and upper strata oil temperature, 3 and the liquid level sensor 4 of fuel head, described temperature sensor 2,3 and liquid level sensor 4 signalization treatment circuits 5 respectively, 6,7, described single-chip microcomputer 1 signalization capture card 8 and database 9, described single-chip microcomputer 1 feedback signal output terminal connects described control gear, described control gear connects transformer input end power switch 11 by relay 10, and described single-chip microcomputer 1 connects alarm 12.
Described temperature sensor 2,3 is set to contact type temperature sensor.
Described liquid level sensor 4 is set to static pressure throw-in type fluid level transmitter.
Described single-chip microcomputer 1 connects wireless signal transmitter and wireless receiver 13.
The utility model can in time, accurately be monitored transformer real time temperature situation by temperature collect module, single-chip microcomputer 1 and control gear, handles by 1 pair of sensor signal of described single-chip microcomputer; Described temperature collect module comprises the temperature sensor 2 of environment temperature and upper strata oil temperature, 3 and liquid level sensor 4 signalization treatment circuits 5 respectively, 6,7, described single-chip microcomputer 1 signalization capture card 8 and database 9, constitute a comparatively complete monitoring, analytic system, described single-chip microcomputer 1 feedback signal output terminal connects described control gear, described control gear connects transformer input end power switch 11 by described relay 10, two temperature signals by 1 pair of collection of single-chip microcomputer carry out computing, and contrast with the numerical value of described database 9, analyze, exceeding than usual under the similarity condition more than 10 ℃ when detecting the oil temperature, and when the liquid level of oil is in normal range, then abnormal occurrence has appearred in programmed decision transformer inside, act on control transformer power switch 11 in time by relay 10, prevent serious accident generations such as transformer damage, described single-chip microcomputer 1 connects alarm 12, single-chip microcomputer is connected described alarm 12 simultaneously, points out the potential safety hazard signal near staff or the personnel of patrolling and examining; The liquid level of transformer oil is not taked action yet when normal range, so that accident potential is handled; Described temperature sensor 2,3 is set to contact type temperature sensor, is applicable to the temperature of oil in transformer scope, and the precision height, and cost is low; Described liquid level sensor 4 is set to static pressure throw-in type fluid level transmitter, and adjustment is simple, flexible for installation, and the precision height of measuring, stable strong; Described single-chip microcomputer 1 connects wireless signal transmitter and wireless receiver 13, and in time conveniently fast handle accident at the announcement information center, and efficient is higher.The utility model the utility model is simple and practical, safe and reliable, has good value for applications.
Claims (1)
1. transformer temperature detection, control and warning system, it is characterized in that: it comprises temperature collect module, single-chip microcomputer and control gear, described temperature collect module comprises environment temperature and the temperature sensor of upper strata oil temperature and the liquid level sensor of fuel head, described temperature sensor and liquid level sensor be the signalization treatment circuit respectively, described single-chip microcomputer signalization capture card and database, described single-chip microcomputer feedback signal output terminal connects described control gear, described control gear connects transformer input end power switch by relay, and described single-chip microcomputer connects alarm.
2. transformer temperature detection, control and warning system according to claim 1, it is characterized in that: described temperature sensor is set to contact type temperature sensor.
3. transformer temperature detection, control and warning system according to claim 1, it is characterized in that: described liquid level sensor is set to static pressure throw-in type fluid level transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320112921 CN203232338U (en) | 2013-03-13 | 2013-03-13 | Temperature detection, control and alarm system for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320112921 CN203232338U (en) | 2013-03-13 | 2013-03-13 | Temperature detection, control and alarm system for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203232338U true CN203232338U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320112921 Expired - Fee Related CN203232338U (en) | 2013-03-13 | 2013-03-13 | Temperature detection, control and alarm system for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203232338U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699799A (en) * | 2014-11-28 | 2016-06-22 | 国家电网公司 | Oil-immersed transformer overtemperature warning method under harmonic condition |
| CN112071600A (en) * | 2020-09-15 | 2020-12-11 | 国网湖北省电力有限公司武汉市新洲区供电公司 | Temperature control system for oil inside power supply oil-immersed transformer |
| CN115754249A (en) * | 2022-10-26 | 2023-03-07 | 国家电投集团贵州金元威宁能源股份有限公司 | On-line monitoring system for micro-water content in transformer oil |
-
2013
- 2013-03-13 CN CN 201320112921 patent/CN203232338U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699799A (en) * | 2014-11-28 | 2016-06-22 | 国家电网公司 | Oil-immersed transformer overtemperature warning method under harmonic condition |
| CN112071600A (en) * | 2020-09-15 | 2020-12-11 | 国网湖北省电力有限公司武汉市新洲区供电公司 | Temperature control system for oil inside power supply oil-immersed transformer |
| CN115754249A (en) * | 2022-10-26 | 2023-03-07 | 国家电投集团贵州金元威宁能源股份有限公司 | On-line monitoring system for micro-water content in transformer oil |
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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: 20131009 Termination date: 20170313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |