CN104568197A - Transformer substation hot-spot detection sensor device - Google Patents
Transformer substation hot-spot detection sensor device Download PDFInfo
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- CN104568197A CN104568197A CN201510066991.8A CN201510066991A CN104568197A CN 104568197 A CN104568197 A CN 104568197A CN 201510066991 A CN201510066991 A CN 201510066991A CN 104568197 A CN104568197 A CN 104568197A
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Abstract
The invention discloses a transformer substation hot-spot detection sensor device for performing remote temperature detection on a to-be-detected object. The transformer substation hot-spot detection sensor device comprises a thermal imaging camera, a temperature sensor, a data processing unit and a control unit, wherein the temperature sensor is arranged in an area near the to-be-detected object, the thermal imaging camera can be used for acquiring the temperature of a surrounding area of the to-be-detected object and the temperature sensor, the thermal imaging camera and the temperature sensor are respectively connected with the data processing unit, the data processing unit is connected with the control unit, the thermal imaging camera and the temperature sensor are used for parallelly inputting temperature signals to the data processing unit, the data processing unit is used for processing the acquired signals and then outputting the signals to the control unit, and the control unit is used for judging and processing the input signals. The transformer substation hot-spot detection sensor device disclosed by the invention is simple in structure and easy to achieve, and ensures that the influences of environmental changes to measurement results can be avoided.
Description
Technical field
The present invention relates to sensor and temperature detection field, be specifically related to a kind of transformer station's hot point inspection sensor device detected for remote temperature.
Background technology
Switchgear in transformer station and breaker contact point loose contact are the principal elements of substation fault, and poor contact of contacts will make contact resistance and switch power distribution cabinet temperature rise, and finally cause switchgear contact to be exploded.Based on this kind of situation, need the temperature rise of monitor switching bay and isolating switch upper contact, to give a warning before generation bust and to safeguard in time.
Due to the impact of the environmental factors such as transformer station's high pressure, high electric current, cannot be monitored switchgear and breaker contact point temperature rise by contact temperature monitoring equipment.So mode conventional at present selects the equipment such as thermal camera or thermal imaging system to carry out remote monitoring to switchgear and breaker contact point.But thermal camera or thermal imaging system are easily by the impact of environmental factor, such as temperature, radiance, dense fog, humidity, dust etc., greatly have impact on the accuracy of the temperature detection of monitoring system, cause monitoring system often occur false alarm or fail to report alert situation.
Summary of the invention
The applicant is for the not high shortcoming of the monitoring system accuracy of above-mentioned existing monitoring switch device and breaker contact point temperature rise, a kind of transformer station's hot point inspection sensor device rational in infrastructure is provided, thus realizes monitoring accurately the temperature rise of the switchgear in transformer station and breaker contact point.
The technical solution adopted in the present invention is as follows:
A kind of transformer station hot point inspection sensor device, for detecting the remote temperature of determinand, comprise thermal imaging camera, temperature sensor, data processing unit and control module, described temperature sensor is installed in determinand near zone, described thermal imaging camera can obtain the temperature of determinand and temperature sensor peripheral region, described thermal imaging camera is connected with data processing unit respectively with temperature sensor, data processing unit is connected with control module, thermal imaging camera and temperature sensor walk abreast input temp signal to data processing unit, data processing unit exports to control module by after the signal transacting of acquisition, control module judges and process the signal of input.
Further improvement as technique scheme:
Described temperature sensor is any one in thermopair, thermal resistance detector and thermistor three kinds of temperature sensors.
Described data processing unit is connected with control module by optical fiber.
Described data processing unit is connected with control module by wireless network.
Beneficial effect of the present invention is as follows: because the temperature signal of temperature sensor transmission is hardly by the impact of environment, so the set temperature sensor of the present invention near determinand, the temperature of its temperature as the determinand near zone detected thermal imaging camera is demarcated, the temperature of data handling system to the determinand that thermal imaging camera detects is recalibrated, and realizes the Measurement accuracy to determinand temperature.Structure of the present invention is simple, be easy to realize, and avoids the impact of environmental change on measurement result.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The Temperature Distribution schematic diagram that Fig. 2 looks for thermal imaging camera of the present invention.
In figure: 1, thermal imaging camera; 2, temperature sensor; 3, data processing unit; 4, control module; 5, determinand.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, a kind of hot point inspection sensor device of the present invention, for carrying out remote temperature detection to determinand 5.Described hot point inspection sensor device comprises thermal imaging camera 1, temperature sensor 2, data processing unit 3 and control module 4.Described temperature sensor 2 is arranged on determinand 5 near zone, and described temperature sensor 2 is any one in thermopair, thermal resistance detector and thermistor equitemperature sensor.Described thermal imaging camera 1 pair of determinand 5 and temperature sensor 2 are taken, the temperature of determinand 5 and temperature sensor 2 peripheral region can be obtained, see Fig. 2, described thermal imaging camera 1 is connected with data processing unit 3 respectively with temperature sensor 2, and described data processing unit 3 is connected with control module 4 by optical fiber or wireless network.
Thermal imaging camera 1 and temperature sensor 2 walk abreast input temp signal to data processing unit 3, described data processing unit 3 is using the direct input temp signal of temperature sensor 2 as calibration value, the difference of temperature and calibration value that thermal imaging camera 1 is obtained temperature sensor 2 is as modified value, the temperature value of the determinand 5 obtained with thermal imaging camera 1 is the actual temperature of radix calculating determinand 5, thus the actual temperature rise of acquisition determinand 5.
The actual temperature rise signal of determinand 5 is exported to control module 4 by data processing unit 3, temperature rise changing value is provided with in control module 4, the actual temperature rise signal of control module 4 to the determinand 5 of input judges and process, when the actual temperature rise of determinand 5 exceedes temperature rise changing value, control module 4 can be reported to the police, and realizes the monitoring temperature to determinand 5.
More than describing is explanation of the invention, and be not the restriction to invention, when without prejudice to spirit of the present invention, the present invention can do any type of amendment.
Claims (4)
1. transformer station's hot point inspection sensor device, for detecting the remote temperature of determinand (5), it is characterized in that: comprise thermal imaging camera (1), temperature sensor (2), data processing unit (3) and control module (4), described temperature sensor (2) is installed in determinand (5) near zone, described thermal imaging camera (1) can obtain the temperature of determinand (5) and temperature sensor (2) peripheral region, described thermal imaging camera (1) is connected with data processing unit (3) respectively with temperature sensor (2), data processing unit (3) is connected with control module (4), thermal imaging camera (1) and the parallel input temp signal of temperature sensor (2) are to data processing unit (3), data processing unit (3) will export to control module (4) after the signal transacting of acquisition, control module (4) judges and process the signal of input.
2. according to transformer station according to claim 1 hot point inspection sensor device, it is characterized in that: described temperature sensor (2) is thermopair, any one in thermal resistance detector and thermistor three kinds of temperature sensors.
3. according to transformer station according to claim 1 hot point inspection sensor device, it is characterized in that: described data processing unit (3) is connected with control module (4) by optical fiber.
4. according to transformer station according to claim 1 hot point inspection sensor device, it is characterized in that: described data processing unit (3) is connected with control module (4) by wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066991.8A CN104568197A (en) | 2015-02-10 | 2015-02-10 | Transformer substation hot-spot detection sensor device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510066991.8A CN104568197A (en) | 2015-02-10 | 2015-02-10 | Transformer substation hot-spot detection sensor device |
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| CN104568197A true CN104568197A (en) | 2015-04-29 |
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| CN201510066991.8A Pending CN104568197A (en) | 2015-02-10 | 2015-02-10 | Transformer substation hot-spot detection sensor device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610321A (en) * | 2016-12-27 | 2017-05-03 | 上海应用技术大学 | Electrical device temperature monitoring device |
| CN109932594A (en) * | 2019-03-15 | 2019-06-25 | 西门子电力自动化有限公司 | The method and apparatus of fault detection for power equipment |
| CN113551804A (en) * | 2020-04-03 | 2021-10-26 | 首瑞（天津）电气设备有限公司 | Switch integrated system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610321A (en) * | 2016-12-27 | 2017-05-03 | 上海应用技术大学 | Electrical device temperature monitoring device |
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| CN109932594A (en) * | 2019-03-15 | 2019-06-25 | 西门子电力自动化有限公司 | The method and apparatus of fault detection for power equipment |
| CN109932594B (en) * | 2019-03-15 | 2021-05-18 | 西门子电力自动化有限公司 | Method and apparatus for fault detection of electrical equipment |
| CN113551804A (en) * | 2020-04-03 | 2021-10-26 | 首瑞（天津）电气设备有限公司 | Switch integrated system |
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Effective date of registration: 20160113 Address after: 211106, No. 37, general road, Jiangning Development Zone, Nanjing, Jiangsu Applicant after: Jiangsu Hawkeye Monitoring Technology Co., Ltd. Address before: 201100 E547 room, 66 Jing Jing Road, Minhang District, Shanghai Applicant before: SHANGHAI QINGHUI TECHNOLOGY CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |