CN205374579U - Transmission line is electrified to be detected and range unit - Google Patents
Transmission line is electrified to be detected and range unit Download PDFInfo
- Publication number
- CN205374579U CN205374579U CN201620067000.8U CN201620067000U CN205374579U CN 205374579 U CN205374579 U CN 205374579U CN 201620067000 U CN201620067000 U CN 201620067000U CN 205374579 U CN205374579 U CN 205374579U
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Abstract
The utility model relates to a transmission line is electrified to be detected and range unit, control circuit including box body, probe hole, external connection, mounting panel and interior installation. The utility model discloses a control section includes electric -examination survey subtotal ultrasonic ranging part. Wherein, whether electrified measuring is the voltage signal that the space electric field signal around going up through the transmission line that the probe will be gathered turned into the interchange, detect with electricity transmission line, it is through adopting hyperacoustic time difference telemetry, obtaining the distance between human body and the transmission line that the range finding detects, this device has been realized combining together to transmission line electrified detection simultaneously and the judgement apart from the condition, has improved the fail safe nature of transmission line maintainer.
Description
Technical field
This utility model belongs to technical field of electric power, relates to space electric field detection technique, and especially a kind of electric transmission line hot-line detects and range unit.
Background technology
In the process of current power transmission lines overhauling; except maintainer is had strict safety examination; when seldom having relevant safety system to maintenance, the charged situation of circuit carries out real-time monitoring; the security incident that relevant maintenance is got an electric shock happens occasionally, and the life security of staff is caused serious threat.Along with all kinds of constructions under ultra-high-tension power transmission line get more and more, particularly present many line maintenance personnel are under high voltage transmission line during operation, often only rely on workmen's situ visualization, therefore whether on-line checking transmission line of electricity charged and whether personnel seem to the life security of maintainer necessity particularly at safe distance, site operation personnel wish to develop a kind of safety device, to prevent the flashover fault closely caused very much because of workmen and high-tension line distance from occurring.
By the retrieval of patent document, not yet find the patent document close with this utility model application.
Utility model content
The purpose of this utility model is in that to overcome the deficiencies in the prior art part, it is proposed to whether a kind of transmission line of electricity that can detect in real time is charged and detect electric transmission line hot-line detection and the range unit of people and transmission line of electricity distance.
The technical solution of the utility model is such that
A kind of electric transmission line hot-line detection and range unit, including box body, probe hole, external connection, the control circuit of installing plate and interior installation thereof, external connection includes alarm external connection and host computer external connection, probe sensor correspondence probe hole in control circuit, the control circuit installed in box body is made up of electrified detection circuit and ultrasonic ranging circuit, live detection and range-measuring circuit obtain whether transmission line of electricity charged and whether personnel are at safe distance signal, and by alarm external connection alarm at once, rear area work personnel are provided to determine whether information then through by host computer external connection.
And, described electrified detection circuit is by probe sensor, signal acquisition circuit, signal processing module is constituted, probe sensor is converted into the voltage signal of exchange by gathering the space electric field information come, ac voltage signal is given reverse Schmidt trigger integer by signal acquisition circuit, output rectangular pulse signal, again by this signal by high pass filter and low pass filter filtering noise and other interference signal, retain the square wave of a 50Hz, then pass through two reverse Schmidt triggers to increase the fan-out capability of signal, then by this signal by a multivibrator, the low-frequency square-wave signal of output 8Hz, this signal entering signal processing module has been made whether electricity judgement.
And, described ultrasonic ranging circuit is made up of transmitter module, signal processing module and receiver module, a high trigger signal is sent by signal processing module, detection ultrasonic emitting module sends the ultrasonic pulse of 8 40KHZ, signal processing module detection echo-signal, when ultrasound wave receiver module receives echo-signal, high level is set to low level by signal processing module, signal processing module triggers the persistent period of signal high level by calculating, it is thus achieved that point distance measurement is to the distance of barrier.
Advantage of the present utility model and having the benefit effect that
Of the present utility model including electro-detection part and ultrasonic ranging part, wherein, live detection is the voltage signal that space electric field signal around on the transmission line of electricity collected is converted into exchange by probe, detects whether transmission line of electricity is charged；Range finding detection is by adopting hyperacoustic time difference telemetry, it is thus achieved that the distance between human body and transmission line of electricity；This device achieves and transmission line of electricity live detection simultaneously is combined with the judgement of distance condition, improves the security reliability of power transmission lines overhauling personnel.
Accompanying drawing explanation
Fig. 1 is shape assumption diagram of the present utility model；
Fig. 2 is circuit block diagram of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further elaborated.Specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
A kind of electric transmission line hot-line detection and range unit, including box body 1, probe hole 2, external connection 3, the control circuit of installing plate 4 and interior installation thereof, external connection includes alarm external connection and host computer external connection, probe sensor correspondence probe hole in control circuit, the control circuit installed in box body is made up of electrified detection circuit and ultrasonic ranging circuit, live detection and range-measuring circuit obtain whether transmission line of electricity charged and whether personnel are at safe distance signal, and can alarm at once by alarm external connection, rear area work personnel are provided to determine whether information then through by host computer external connection.This device is installed on outdoor shaft tower, it is necessary to overcome the interference of wild environment, it is therefore desirable to be sealed in plastic box by this device.
Described electrified detection circuit is by probe sensor, signal acquisition circuit, signal processing module is constituted, probe sensor is converted into the voltage signal of exchange by gathering the space electric field information come, ac voltage signal is given reverse Schmidt trigger integer by signal acquisition circuit, output rectangular pulse signal, again by this signal by high pass filter and low pass filter filtering noise and other interference signal, the square wave of a 50Hz can be retained, then pass through two reverse Schmidt triggers to increase the fan-out capability of signal, then by this signal by a multivibrator, the low-frequency square-wave signal of output 8Hz, this signal entering signal processing module has been made whether electricity judgement.
Described ultrasonic ranging circuit is made up of transmitter module, signal processing module and receiver module, a high trigger signal is sent by signal processing module, detection ultrasonic emitting module sends the ultrasonic pulse of 8 40KHZ, signal processing module detection echo-signal, when ultrasound wave receiver module receives echo-signal, high level is set to low level by signal processing module, and signal processing module triggers the persistent period of signal high level by calculating, it is thus achieved that point distance measurement is to the distance of barrier.
This device operation principle is as follows:
Detect whether circuit has electricity by live detection part, by ultrasonic ranging part testing staff whether at safe distance, whether circuit is had electricity and whether connects alarm at the signal of safe distance by alarm external connection by signal processing module, connects host computer by host computer external connection.
Claims (3)
1. an electric transmission line hot-line detection and range unit, it is characterized in that: include box body, probe hole, external connection, the control circuit of installing plate and interior installation thereof, external connection includes alarm external connection and host computer external connection, probe sensor correspondence probe hole in control circuit, the control circuit installed in box body is made up of electrified detection circuit and ultrasonic ranging circuit, live detection and range-measuring circuit obtain whether transmission line of electricity charged and whether personnel are at safe distance signal, and by alarm external connection alarm at once, rear area work personnel are provided to determine whether information then through by host computer external connection.
2. electric transmission line hot-line according to claim 1 detection and range unit, it is characterized in that: described electrified detection circuit is by probe sensor, signal acquisition circuit, signal processing module is constituted, probe sensor is converted into the voltage signal of exchange by gathering the space electric field information come, ac voltage signal is given reverse Schmidt trigger integer by signal acquisition circuit, output rectangular pulse signal, again by this signal by high pass filter and low pass filter filtering noise and other interference signal, retain the square wave of a 50Hz, then pass through two reverse Schmidt triggers to increase the fan-out capability of signal, then by this signal by a multivibrator, the low-frequency square-wave signal of output 8Hz, this signal entering signal processing module has been made whether electricity judgement.
3. electric transmission line hot-line according to claim 1 detection and range unit, it is characterized in that: described ultrasonic ranging circuit is by transmitter module, signal processing module and receiver module composition, a high trigger signal is sent by signal processing module, detection ultrasonic emitting module sends the ultrasonic pulse of 8 40kHZ, signal processing module detection echo-signal, when ultrasound wave receiver module receives echo-signal, high level is set to low level by signal processing module, signal processing module triggers the persistent period of signal high level by calculating, obtain the point distance measurement distance to barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067000.8U CN205374579U (en) | 2016-01-25 | 2016-01-25 | Transmission line is electrified to be detected and range unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067000.8U CN205374579U (en) | 2016-01-25 | 2016-01-25 | Transmission line is electrified to be detected and range unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374579U true CN205374579U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620067000.8U Expired - Fee Related CN205374579U (en) | 2016-01-25 | 2016-01-25 | Transmission line is electrified to be detected and range unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374579U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646482A (en) * | 2016-11-17 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | Transmission line distance detection method, device and system |
| CN107833325A (en) * | 2017-11-14 | 2018-03-23 | 南通尚力机电工程设备有限公司 | The automatic method for sensing of intelligent access control system |
| CN112362940A (en) * | 2020-10-26 | 2021-02-12 | 广东电网有限责任公司 | Electric shock prevention device and system |
| CN112505580A (en) * | 2020-11-03 | 2021-03-16 | 深圳供电局有限公司 | Electric leakage detection device |
-
2016
- 2016-01-25 CN CN201620067000.8U patent/CN205374579U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646482A (en) * | 2016-11-17 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | Transmission line distance detection method, device and system |
| CN107833325A (en) * | 2017-11-14 | 2018-03-23 | 南通尚力机电工程设备有限公司 | The automatic method for sensing of intelligent access control system |
| CN112362940A (en) * | 2020-10-26 | 2021-02-12 | 广东电网有限责任公司 | Electric shock prevention device and system |
| CN112505580A (en) * | 2020-11-03 | 2021-03-16 | 深圳供电局有限公司 | Electric leakage detection 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: 20160706 Termination date: 20170125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |