CN204461609U - The infrared remote wired alarming device of high voltage isolator hot stall - Google Patents
The infrared remote wired alarming device of high voltage isolator hot stall Download PDFInfo
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- CN204461609U CN204461609U CN201520095658.5U CN201520095658U CN204461609U CN 204461609 U CN204461609 U CN 204461609U CN 201520095658 U CN201520095658 U CN 201520095658U CN 204461609 U CN204461609 U CN 204461609U
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- high voltage
- control module
- voltage isolator
- infrared temperature
- test sensor
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Abstract
The utility model relates to the infrared wired remote warning device of high voltage isolator hot stall, it is characterized in that: comprise infrared temperature-test sensor, AD signal converter, microcomputer control module and alarm; The infrared temperature probe of described infrared temperature-test sensor faces combined floodgate contact during high voltage isolator place "on" position; The output of described infrared temperature-test sensor is connected with the input of AD converter by optical fiber; The output of described AD converter is connected with the input of described microcomputer microcomputer control module; The output of described microcomputer control module is connected with alarm.The temperature probe of infrared temperature-test sensor carries out thermometric to power high voltage isolation switch contact in operation, and the electric signal of thermometric converted to digital signal by AD converter and be transferred to control module after amplifying, according to pre-setting threshold value after control module receives temperature digital signal, when temperature value exceedes threshold value, control module controls alarm action by control cables and sends alerting signal.
Description
Technical field
The utility model relates to a kind of optical fiber infrared wired remote warning device of warning device, particularly high voltage isolator hot stall of power high voltage disconnector hot stall.
Background technology
Power high voltage disconnector is in operation due to electromagnetic action, heat can be produced, when generation contact is bad, or disconnector is when exceeding the faults such as its settings by electric current, the contact of power high voltage disconnector all can abnormal heating, if now do not take to cut off the electricity supply, or reduces the measure of load, may cause because the overheated disconnector that causes burns, even cause the danger expanding power grid accident.Present widely used conventional electric power high voltage isolator detects the method for loose contact, do direct current resistance when having a power failure by testing crew to test, or be in operation and carry infrared measurement of temperature equipment by staff, by the thermometric to power high voltage disconnector in every platform operation, raising as found that there is temperature anomaly, reinforming the measure that other relevant operations staffs take disconnection, interruption maintenance or reduce operating load.The loose contact heating of conventional electric power high voltage isolator or overload heating, on-line checkingi and the warning of real-time continuous cannot be realized, and be subject to the impact of operating personnel's manual operation factor, cannot report to the police by thermometric in time to the sudden overheating fault of power high voltage disconnector especially, power high voltage disconnector may be caused due to overheated and damage, even jeopardize the major accident of power grid security.
Summary of the invention
The purpose of this utility model is to provide the optical fiber infrared wired remote warning device of high voltage isolator hot stall.This device is by the utilization of Optical Fiber Transmission, non-contacting infrared thermometry and PLC computer processor, harmless for temperature signal data can be sent to distant place master-control room by optical fiber by real-time for power high voltage isolation switch contact heat condition in operation, when isolation switch contact abnormal heating, energy and alarm, notify that staff takes measures.
The utility model is by the following technical solutions: the infrared wired remote warning device of high voltage isolator hot stall, is characterized in that: comprise high voltage isolator, infrared temperature-test sensor, AD signal converter, microcomputer control module and long-distance alarm apparatus; The two ends of described high voltage isolator are connected to high voltage wire, and infrared temperature-test sensor is just to the combined floodgate contact when high voltage isolator place "on" position; The output of described infrared temperature-test sensor is connected with the input of AD converter by optical fiber; The output of described AD converter is connected with the input of described microcomputer control module; The output terminal of described microcomputer control module is connected with the alarm be installed in the master-control room of a distant place.
In the utility model one embodiment, described infrared temperature-test sensor comprises infrared temperature probe; Described infrared temperature probe outside is surrounded by insulation sleeve; Described infrared temperature probe is installed on just to the combined floodgate contact place when high voltage isolator place "on" position, and its mounting distance is greater than the safe distance of high-tension electricity grade.
In the utility model one embodiment, the number of described infrared temperature-test sensor to be N, N be greater than 1 natural number.
In the utility model one embodiment, described alarm is hummer, loudspeaker or audible-visual annunciator.
In the utility model one embodiment, described alarm is connected by light or cable with microcomputer control module.
Carry infrared measurement of temperature equipment with tradition by staff, the situation of power high voltage disconnector in every platform operation being carried out to thermometric is compared, and the device that the utility model provides has huge advantage.The utility model has the following advantages: by the utilization of Optical Fiber Transmission, non-contacting infrared thermometry and computer processor, energy and alarm; Microcomputer control module also comprises a communication module can be sent to distant place master-control room by optical fiber by harmless for temperature signal data by real-time for power high voltage isolation switch contact heat condition in operation, when isolation switch contact abnormal heating, can notify that staff takes measures in time; One isolating switch is also provided, automatically the high voltage isolator broken down can be disconnected, ensure the stable operation of electric system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is that the high voltage isolator in Fig. 1 is in gate-dividing state.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is utility model clustered control principle of work block diagram.
[label declaration]: 1-infrared temperature-test sensor; 2-infrared probe; 3-infrared-ray; 4-isolation switch contact; 5-optical fiber; 6-AD converter; 7-control module; 8-control cables; 9-alarm; 10-infrared probe insulation sleeve.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
The utility model provides a kind of infrared wired remote warning device of high voltage isolator hot stall, and the structural representation of this device is see Fig. 1.This device comprises infrared temperature-test sensor 1, AD signal converter 6, microcomputer control module 7 and alarm 9; Described infrared temperature-test sensor 1 is just at high voltage isolator combined floodgate contact 4; The output of described infrared temperature-test sensor 1 is connected by the input of optical fiber 5 with AD converter 6; The output of described AD converter 6 is connected with the input of described microcomputer control module 7; The output of described microcomputer control module 7 is connected with alarm 9; Alerting signal is sent to by control cables or optical fiber 8 alarm 9 be installed in master-control room by described micro-processor controlled output.
After staff receives alerting signal, to occurring that the high voltage isolator of hot stall carries out separating brake after cut-off breaker, specifically see Fig. 2-3.
Infrared temperature-test sensor comprises infrared temperature probe 2, and infrared temperature probe 2 carries out noncontact on-line continuous thermometric by launching and accepting infrared ray 3 to the contact after power high voltage disconnector combined floodgate in operation; Preferably for ensureing the safety of infrared temperature probe under hyperbaric environment, be surrounded by insulation sleeve 10 in infrared temperature probe outside.
When this warning device is applied to transformer station, when having multiple high voltage isolator, can arrange N number of infrared temperature-test sensor, carry out thermometric realize clustered control to the combined floodgate contact of multiple high voltage isolator, its principle of work block diagram is see Fig. 4.
Alarm 9 can be hummer, loudspeaker or audible-visual annunciator, can choose suitable alarm according to embody rule occasion.
The warning message of high voltage isolator hot stall is sent to master-control room by control cables by control module, and the staff of master-control room can monitor high voltage isolator at any time.Fault alarm information also can be filed by master-control room, so that staff transfers fault alarm information, analyzes disconnector hot stall, plays reference role to the prevention of power failure.
For making those skilled in the art's the technical solution of the utility model be easier to understand, the concise and to the point operation method of setting forth repacking and putting below.The method does not belong to the utility model will protect content.
The operation method of the infrared wired remote warning device of the high voltage isolator hot stall of this device, comprise the following steps: step S01: the temperature probe of infrared temperature-test sensor is arranged near power high voltage disconnector place "on" position contact, and just to combined floodgate contact, its mounting distance should meet the safe distance that power high voltage disconnector runs high-tension electricity grade; Step S02: when power high voltage disconnector runs, launches infrared-ray by infrared temperature probe to disconnector combined floodgate contact, carries out online noncontact real-time online thermometric; Step S03: real-time thermometric electrical signal data is sent to AD converter by temperature probe; The thermometric electric signal sent by temperature probe is converted to digital signal and amplifies by step S04:AD converter, then sends microcomputer control module to by optical fiber, and the secure threshold that this temperature signal and microcomputer control module preset compares; Step S05: when isolation switch contact temperature anomaly is increased to secure threshold, control module controls alarm equipment alarm by control cables or optical fiber.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (5)
1. the infrared wired remote warning device of high voltage isolator hot stall, is characterized in that: comprise high voltage isolator, infrared temperature-test sensor, AD signal converter, microcomputer control module and long-distance alarm apparatus;
The two ends of described high voltage isolator are connected to high voltage wire, and infrared temperature-test sensor is just to the combined floodgate contact when high voltage isolator place "on" position; The output of described infrared temperature-test sensor is connected with the input of AD converter by optical fiber; The output of described AD converter is connected with the input of described microcomputer control module; The output terminal of described microcomputer control module is connected with the alarm be installed in the master-control room of a distant place.
2. the infrared wired remote warning device of high voltage isolator hot stall according to claim 1, is characterized in that: described infrared temperature-test sensor comprises infrared temperature probe; Described infrared temperature probe outside is surrounded by insulation sleeve; Described infrared temperature probe is installed on just to the combined floodgate contact place when high voltage isolator place "on" position, and its mounting distance is greater than the safe distance of high-tension electricity grade.
3. the infrared wired remote warning device of high voltage isolator hot stall according to claim 1, is characterized in that: the number of described infrared temperature-test sensor to be N, N be greater than 1 natural number.
4. the infrared wired remote warning device of high voltage isolator hot stall according to claim 1, is characterized in that: described alarm is hummer, loudspeaker or audible-visual annunciator.
5. the infrared wired remote warning device of high voltage isolator hot stall according to claim 1, is characterized in that: described alarm is connected by light or cable with microcomputer control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520095658.5U CN204461609U (en) | 2015-02-11 | 2015-02-11 | The infrared remote wired alarming device of high voltage isolator hot stall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520095658.5U CN204461609U (en) | 2015-02-11 | 2015-02-11 | The infrared remote wired alarming device of high voltage isolator hot stall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204461609U true CN204461609U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520095658.5U Expired - Fee Related CN204461609U (en) | 2015-02-11 | 2015-02-11 | The infrared remote wired alarming device of high voltage isolator hot stall |
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| Country | Link |
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| CN (1) | CN204461609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677502A (en) * | 2015-02-11 | 2015-06-03 | 国家电网公司 | Infrared remote wired alarm device for high-voltage isolation switch heat fault and operation method |
| CN113030790A (en) * | 2021-02-04 | 2021-06-25 | 华能（天津）煤气化发电有限公司 | Method for checking whether contact of tap changer of transformer is good or not |
-
2015
- 2015-02-11 CN CN201520095658.5U patent/CN204461609U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677502A (en) * | 2015-02-11 | 2015-06-03 | 国家电网公司 | Infrared remote wired alarm device for high-voltage isolation switch heat fault and operation method |
| CN113030790A (en) * | 2021-02-04 | 2021-06-25 | 华能（天津）煤气化发电有限公司 | Method for checking whether contact of tap changer of transformer is good or not |
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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: 20150708 Termination date: 20220211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |