CN114187750A - Sensitivity detection device for near-electricity alarm - Google Patents
Sensitivity detection device for near-electricity alarm Download PDFInfo
- Publication number
- CN114187750A CN114187750A CN202111343514.3A CN202111343514A CN114187750A CN 114187750 A CN114187750 A CN 114187750A CN 202111343514 A CN202111343514 A CN 202111343514A CN 114187750 A CN114187750 A CN 114187750A
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- alarm
- voltage source
- electricity
- voltage electrode
- distance sensor
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005684 electric field Effects 0.000 abstract description 12
- 230000005611 electricity Effects 0.000 abstract 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/20—Calibration, including self-calibrating arrangements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The utility model provides a nearly electric alarm sensitivity detection device, includes the frame, fixed mounting track, high voltage electrode and industrial computer in the frame, at the gliding actuating mechanism of rack mounting drive balladeur train, the telluric electricity field of fixed mounting forward extension on the balladeur train, nearly electric alarm mount pad and the distance sensor who arranges about the installation of telluric electricity field front end, high voltage electrode is located nearly electric alarm mount pad and distance sensor dead ahead, high voltage electrode connects the voltage source, distance sensor's signal output part is connected with the signal input part of industrial computer, actuating mechanism's control signal input part is connected with the control signal output part of industrial computer. The electric field intensity can be transmitted to the position with the electric field intensity of 4kV/m by the near-electricity alarm, and the sensitivity of the near-electricity alarm is detected, so that the safety of electric power operators wearing the near-electricity alarm is ensured.
Description
Technical Field
The invention relates to power transmission and transformation operation and maintenance equipment, in particular to a sensitivity detection device for a near-electricity alarm.
Background
The near-electricity alarm is a safety auxiliary tool for electric power operation, is usually arranged at the front end of a safety helmet worn by an electric power operator, and when the electric field intensity at the position where the near-electricity alarm is located is more than or equal to 4kV/m, the near-electricity alarm sends out an alarm signal to prompt the electric power operator to pay attention to safety.
With the lapse of the service time of the near-electricity alarm, the sensitivity of the near-electricity alarm may change, and the near-point alarm with abnormal sensitivity cannot give an alarm when the electric field strength is more than or equal to 4kV/m, thereby bringing serious potential safety hazards to power operators.
Disclosure of Invention
The invention aims to solve the technical problems and provides a sensitivity detection device of a near-electricity alarm, which can send the near-electricity alarm to a position with the electric field intensity of 4kV/m to detect the sensitivity of the near-electricity alarm so as to ensure the safety of electric power operators wearing the near-electricity alarm.
The technical solution of the invention is as follows:
the utility model provides a nearly electric alarm sensitivity detection device, includes the frame, its special character lies in: the high-voltage electrode driving device comprises a rack, a track, a high-voltage electrode and an industrial personal computer, wherein the track is fixedly installed on the rack, a sliding frame is installed on the track in a sliding mode, a driving mechanism for driving the sliding frame to slide is installed on the rack, a grounding electrode extending forwards is fixedly installed on the sliding frame, a near-electricity alarm installation seat and a distance sensor are arranged at the front end of the grounding electrode from top to bottom, the high-voltage electrode is located right in front of the near-electricity alarm installation seat and the distance sensor, the high-voltage electrode is connected with a voltage source, the signal output end of the distance sensor is connected with the signal input end of the industrial personal computer, and the control signal input end of the driving mechanism is connected with the control signal output end of the industrial personal computer.
Furthermore, the driving mechanism is composed of a stepping motor fixedly installed on the frame and a screw and nut transmission mechanism installed between the output shaft of the motor and the sliding block.
Furthermore, the grounding electrode is arc-shaped, the front end of the grounding electrode extends downwards, the shape of the front end of the safety helmet is simulated, and the detection is more accurate.
Furthermore, the voltage source comprises a direct current voltage source and an alternating current voltage source, and a change-over switch is connected between the direct current voltage source and the high-voltage electrode and between the alternating current voltage source and the high-voltage electrode to simulate a direct current voltage operation environment or an alternating current voltage operation environment.
The invention has the beneficial effects that:
the industrial personal computer controls the driving mechanism to start, the driving mechanism drives the sliding frame to move towards the high-voltage electrode, when the distance from the distance sensor to the high-voltage electrode is consistent with the distance from the electric field position of 4kV/m electric field intensity to the high-voltage electrode, the industrial personal computer controls the driving mechanism to stop, whether the near-electricity alarm gives an alarm or not is observed, the near-electricity alarm gives an alarm, and the near-electricity alarm is qualified; the near-electricity alarm does not give an alarm, and the near-electricity alarm is unqualified, so that the safety of the electric power operation personnel wearing the near-electricity alarm is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of the circuit of the present invention;
in the figure: the method comprises the following steps of 1-a rack, 2-a track, 3-a high-voltage electrode, 4-an industrial personal computer, 5-a sliding frame, 6-a stepping motor, 7-a screw and nut transmission mechanism, 8-a grounding electrode, 9-a near-electricity alarm installation seat, 10-a distance sensor, 11-a direct-current voltage source, 12-an alternating-current voltage source and 13-a change-over switch.
Detailed Description
As shown in fig. 1 and 2, a near-electric alarm sensitivity detection device comprises a frame 1, a track 2, a high-voltage electrode 3 and an industrial personal computer 4 are fixedly mounted on the frame 1, a carriage 5 is slidably mounted on the track 2, a driving mechanism for driving the carriage 5 to slide is mounted on the frame 1, the driving mechanism comprises a stepping motor 6 fixedly mounted on the frame 1 and a screw nut transmission mechanism 7 mounted between a motor output shaft and a slider, a grounding electrode 8 extending forwards is fixedly mounted on the carriage 5, the grounding electrode 8 is arc-shaped and has a front end extending downwards, a near-electric alarm mounting seat 9 and a distance sensor 10 are mounted at the front end of the grounding electrode 8, the high-voltage electrode 3 is positioned right in front of the near-electric alarm mounting seat 9 and the distance sensor 10, the high-voltage electrode 3 is connected with a voltage source, the voltage source comprises a direct-current voltage source 11 and an alternating-current voltage source 12, a change-over switch 13 is connected between the direct-current voltage source 11 and the alternating-current voltage source 12 and the high-voltage electrode 3, the signal output end of the distance sensor 10 is connected with the signal input end of the industrial personal computer 4, and the control signal input end of the driving mechanism is connected with the control signal output end of the industrial personal computer 4.
During operation, firstly, grounding an earth electrode 8, installing a near-electricity alarm in a near-electricity alarm installation seat 9, starting a change-over switch 13, connecting a high-voltage electrode 3 with a direct-current voltage source 11, generating an electric field around the high-voltage electrode 3, then calculating the distance from the 4kV/m electric field strength position in the electric field to the high-voltage electrode 3 according to the voltage strength of the high-voltage electrode 3, controlling a stepping motor 6 to start through an industrial personal computer 4, driving a carriage 5 to move towards the high-voltage electrode 3 by the stepping motor 6 through a lead screw nut transmission mechanism 7, and when the distance from the high-voltage electrode 3 to the electric field measured by a distance sensor 10 is consistent with the distance from the 4kV/m electric field strength position to the high-voltage electrode 3, controlling the stepping motor 6 to stop by the industrial personal computer 4, observing whether the near-electricity alarm gives an alarm or not, and alarming the near-point alarm and being qualified; the near-electricity alarm does not give an alarm, and the near-point alarm is unqualified.
When the power supply is changed to the ac voltage source 12, the changeover switch 13 is actuated to connect the high-voltage electrode 3 to the ac voltage source 12, and the rest of the operation is the same as the above-described operation.
The above description is only exemplary of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a nearly electric alarm sensitivity detection device, includes the frame, its characterized in that: the high-voltage electrode driving device comprises a rack, a track, a high-voltage electrode and an industrial personal computer, wherein the track is fixedly installed on the rack, a sliding frame is installed on the track in a sliding mode, a driving mechanism for driving the sliding frame to slide is installed on the rack, a grounding electrode extending forwards is fixedly installed on the sliding frame, a near-electricity alarm installation seat and a distance sensor are arranged at the front end of the grounding electrode from top to bottom, the high-voltage electrode is located right in front of the near-electricity alarm installation seat and the distance sensor, the high-voltage electrode is connected with a voltage source, the signal output end of the distance sensor is connected with the signal input end of the industrial personal computer, and the control signal input end of the driving mechanism is connected with the control signal output end of the industrial personal computer.
2. The near-electric alarm sensitivity detection device of claim 1, wherein: the driving mechanism consists of a stepping motor fixedly arranged on the frame and a screw and nut transmission mechanism arranged between an output shaft of the motor and the sliding block.
3. The near-electric alarm sensitivity detection device of claim 1, wherein: the grounding electrode is arc-shaped, and the front end of the grounding electrode extends downwards.
4. The near-electric alarm sensitivity detection device of claim 1, wherein: the voltage source comprises a direct current voltage source and an alternating current voltage source, and a change-over switch is connected between the direct current voltage source and the alternating current voltage source and the high-voltage electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343514.3A CN114187750A (en) | 2021-11-13 | 2021-11-13 | Sensitivity detection device for near-electricity alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343514.3A CN114187750A (en) | 2021-11-13 | 2021-11-13 | Sensitivity detection device for near-electricity alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114187750A true CN114187750A (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111343514.3A Pending CN114187750A (en) | 2021-11-13 | 2021-11-13 | Sensitivity detection device for near-electricity alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114187750A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1898377A1 (en) * | 2006-09-08 | 2008-03-12 | Hekatron Vertriebs GmbH | Detector and method for testing this detector |
| CN201514229U (en) * | 2009-09-03 | 2010-06-23 | 中广核工程有限公司 | Vortex flow sensor check table |
| CN102680015A (en) * | 2012-05-02 | 2012-09-19 | 北京工业大学 | Proximity switch sensor tester |
| CN102749609A (en) * | 2012-07-20 | 2012-10-24 | 重庆市电力公司电力科学研究院 | Electric energy meter verification system and electric energy meter verification robot thereof |
| CN107830884A (en) * | 2017-10-27 | 2018-03-23 | 钟光文 | A kind of sensor answers test equipment with distance perspective |
| CN109298324A (en) * | 2018-09-27 | 2019-02-01 | 上海电子信息职业技术学院 | The close switch automatic checkout system of one kind |
| CN112785825A (en) * | 2020-12-31 | 2021-05-11 | 深圳市安室智能有限公司 | Alarm testing system, method, device and storage medium |
| CN112880728A (en) * | 2021-03-23 | 2021-06-01 | 上海诺玛液压系统有限公司 | High-precision position sensor testing device |
| CN112986723A (en) * | 2021-01-29 | 2021-06-18 | 广东柯理智能传感检测中心有限公司 | Test platform for testing non-contact electric field induction electricity-taking sensor |
| CN213716143U (en) * | 2020-11-23 | 2021-07-16 | 广州研测安全技术有限公司 | Intelligent multifunctional gas alarm calibrating device |
| CN213985002U (en) * | 2020-12-17 | 2021-08-17 | 陕西宝成航空仪表有限责任公司 | Testing device for displacement sensor |
-
2021
- 2021-11-13 CN CN202111343514.3A patent/CN114187750A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1898377A1 (en) * | 2006-09-08 | 2008-03-12 | Hekatron Vertriebs GmbH | Detector and method for testing this detector |
| CN201514229U (en) * | 2009-09-03 | 2010-06-23 | 中广核工程有限公司 | Vortex flow sensor check table |
| CN102680015A (en) * | 2012-05-02 | 2012-09-19 | 北京工业大学 | Proximity switch sensor tester |
| CN102749609A (en) * | 2012-07-20 | 2012-10-24 | 重庆市电力公司电力科学研究院 | Electric energy meter verification system and electric energy meter verification robot thereof |
| CN107830884A (en) * | 2017-10-27 | 2018-03-23 | 钟光文 | A kind of sensor answers test equipment with distance perspective |
| CN109298324A (en) * | 2018-09-27 | 2019-02-01 | 上海电子信息职业技术学院 | The close switch automatic checkout system of one kind |
| CN213716143U (en) * | 2020-11-23 | 2021-07-16 | 广州研测安全技术有限公司 | Intelligent multifunctional gas alarm calibrating device |
| CN213985002U (en) * | 2020-12-17 | 2021-08-17 | 陕西宝成航空仪表有限责任公司 | Testing device for displacement sensor |
| CN112785825A (en) * | 2020-12-31 | 2021-05-11 | 深圳市安室智能有限公司 | Alarm testing system, method, device and storage medium |
| CN112986723A (en) * | 2021-01-29 | 2021-06-18 | 广东柯理智能传感检测中心有限公司 | Test platform for testing non-contact electric field induction electricity-taking sensor |
| CN112880728A (en) * | 2021-03-23 | 2021-06-01 | 上海诺玛液压系统有限公司 | High-precision position sensor testing device |
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Application publication date: 20220315 |