CN103065432B - High-voltage test alarm - Google Patents
High-voltage test alarm Download PDFInfo
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- CN103065432B CN103065432B CN201210558541.7A CN201210558541A CN103065432B CN 103065432 B CN103065432 B CN 103065432B CN 201210558541 A CN201210558541 A CN 201210558541A CN 103065432 B CN103065432 B CN 103065432B
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Abstract
A high-voltage test alarm comprises an alarm starting return circuit and an alarm module. The alarm starting return circuit comprises a relay, a remote control module, a starting return circuit direct current power source and a relay normally open contact. A relay is connected between a control box of an alternating current withstand voltage instrument set device and a switch in parallel, wherein the switch is used for controlling a power source of the control box of an alternating current withstand voltage instrument. The starting return circuit direct current power source, and the relay normally open contact and the remoter control module are connected in series to form an electric return circuit. The alarm module is installed on a transformer voltage-sharing ball of the alternating current withstand voltage instrument set device by means of insulation process. The alarm module comprises a signal receiving module, an alarm direct current power source, a light alarm module and an audible alarm, wherein the light alarm module and the sound alarm module are connected with each other in parallel to form a parallel branch, and then the parallel branch is connected with the alarm direct current power source in series through the signal receiving module. The high-voltage test alarm is applicable to the field of electric power project (electric test) and capable of effectively avoiding occurrence of person electric shock accidents in the process of the high-voltage tests.
Description
Technical field
The application belongs to technical field of power systems, relates to a kind of novel high-potting alarm, is applicable to power engineering (electrical test) field, can effectively prevent the generation of accident of human electric shock in high-potting process.
Background technology
By " safety " regulation, fence special must be set when high-potting work and outwards hang " halt, Keep Clear-High Voltage " nameplate, in process of the test, need special messenger to guard.And in actual work, the behavior that exists some not carry out " safety " regulation, as the step in operation does not obtain work responsible official's license; In pressure process, do not have special messenger to guard, exhale and sing incorrect and random interruption; After test product test, there is no timely open test power switch, test product is not discharged and short circuit grounding; Work responsible official (guardian), before going into operation, does not arrange the safety notice in test to all testing crews in detail, in work, removes without authorization again or abandons guarding responsibility, makes experiment work lose commander and monitoring.All abnormal activities above, all may cause the person in process of the test to get an electric shock, and cause human casualty accident.
Analyzing the reason of electric shock accidents in all high-pottings, is all that off one's guard, the equipment of thinking by mistake is not charged because staff does not carry out " safety " regulation, and touching pressurized equipment causes the generation of electric shock accidents.
For avoiding the generation of the type human casualty accident, also some technical products have been there are, as audible and visible alarm fence: 1, the core technology of audible and visible alarm fence is the safety alarm on fence, the infrared electric wave that this alarm produces according to human motion, the reception by pyroelectric sensor, amplification, promotion final stage power amplifier send warning, also have the function of flash of light simultaneously.For being strayed into electric power explosive area in the time working, electric power personnel play important safety effect.2, shortcoming and defect: have two operational motions of the power supply of opening and closing in audible and visible alarm fence use procedure, need before use to adjust warning scanning area simultaneously, this increases by two operations to undoubtedly the high-potting process of original complicated operation, if it is improper that scanning area is adjusted, also may cause mistake to send out alerting signal.
Summary of the invention
For solving the above problem existing in prior art, the application discloses a kind of high-potting alarm.
The application is specifically by the following technical solutions:
A kind of high-potting alarm, comprises that alarm starts loop and alarm module; It is characterized in that:
Described alarm starts loop and comprises relay, remote control module, startup loop direct supply and relay normally open contact;
Described relay is connected in control box in ac voltage withstanding instrument complete equipment in parallel and for controlling between the switch of ac voltage withstanding instrument control box power supply, described startup loop direct supply, relay normally open contact and remote control module are serially connected in an electric loop;
Be arranged on the transformer voltage equalizing ball in ac voltage withstanding instrument complete equipment described alarm insulation module, comprise signal receiving module, alarm direct supply, light alarm module and sound alarm module, wherein light alarm module is connected in series by described signal receiving module and alarm direct supply after being connected in parallel into a parallel branch with sound alarm module.
The present invention further comprises following optimal technical scheme:
In the time that the switch between the switch for controlling ac voltage withstanding instrument control box power supply closes a floodgate, described relay coil energising, described relay normally open contact closure, described remote control module is connected direct supply and is sent out remote signal.
Described smooth alarm module is connected in parallel into a parallel branch with sound alarm module and is connected by the normally opened contact of signal receiving module with alarm direct supply, one end of the normally opened contact of signal receiving module connects alarm DC power anode, the other end connects the power connection positive pole of light alarm module and sound alarm module, and light alarm module and sound alarm module power connection negative pole connect the negative pole of alarm direct supply.
Signal receiving module in described alarm module receives described alarm and starts the remote signal that remote control module is sent out in loop, controls alarm module repeat circuit normally opened contact closure.
Described startup loop direct supply is DC6V.
Described alarm direct supply is DC12V.
The application has following beneficial effect:
This alarm only need do once and change on ac voltage withstanding instrument complete equipment, can forever use, and in use procedure, without doing any operation, with audible and visible alarm fence comparison, has improved work efficiency;
Redness flash of light and intermittent " halt, Keep Clear-High Voltage " prompt tone when this alarm equipment alarm, can more directly remind the dangerous sustained periods of time of field personnel and dangerous point, effectively prevents accident of human electric shock's generation.
Brief description of the drawings
Fig. 1 is the theory diagram of the application's high-potting alarm;
Fig. 2 is the structural representation of alarm module.
Wherein, A: alarm starts loop (a: relay, b:6V direct supply, c: remote control module, K2: relay a normally opened contact), B: alarm (d: signal receiving module, e: light alarm module, f: audible alarm module, g:12V direct supply), C: ac voltage withstanding instrument control box, D: pressure regulator, E: transformer, K1: ac voltage withstanding instrument control box power switch.
Embodiment
Below in conjunction with accompanying drawing, the application's technical scheme is described in further detail.
Existing high-potting ac voltage withstanding instrument complete equipment are made up of several parts such as control box, pressure regulator, transformers, and in process of the test, by the cut-offfing of control box control power supply, by the size of pressure regulator control voltage, transformer is realized low pressure boosting to high pressure.
The disclosed a kind of high-potting alarm of the application as shown in Figure 1, high-potting alarm starts loop A by alarm and alarm B two parts form, and described alarm starts loop and comprises relay a, 6V direct supply b, remote control module c and relay normally open contact k2.Described relay a is connected in control box in ac voltage withstanding instrument complete equipment in parallel and for controlling between the switch of ac voltage withstanding instrument control box power supply, described startup loop direct supply, relay normally open contact k2 and remote control module c are serially connected in an electric loop.
As shown in Figure 2, on the transformer voltage equalizing ball of described alarm module B insulating mounting in ac voltage withstanding instrument complete equipment, comprise signal receiving module d, alarm direct supply g, light alarm module e and sound alarm module f, after wherein light alarm module e is connected in parallel into a parallel branch with sound alarm module f, be connected in series by described signal receiving module d and alarm direct supply g.Alarm module is installed on above the voltage equalizing ball of transformer, because of on voltage equalizing ball in process of the test with high pressure, for avoiding alarm electronic module to contact with the direct of high pressure, alarm and voltage equalizing ball must have certain insulation, this insulation is because of the voltage drop of alarm and voltage equalizing ball not high (alarm and voltage equalizing ball are almost isopotential point), so this insulation is easy to realize technically.
In the time that the switch k1 between the switch for controlling ac voltage withstanding instrument control box power supply closes a floodgate, described relay coil energising, described relay normally open contact k2 closure, described remote control module c connects direct supply b and sends out remote signal.Described smooth alarm module e is connected in parallel into a parallel branch with sound alarm module f and is connected by the normally opened contact (not shown) of signal receiving module with alarm direct supply, one end of the normally opened contact of signal receiving module connects alarm direct supply g positive pole, the other end connects the power connection positive pole of light alarm module e and sound alarm module f, and light alarm module e and sound alarm module f power connection negative pole connect the negative pole of alarm direct supply g.Signal receiving module d in described alarm module B receives described alarm and starts the remote control module remote signal that c sends out in loop, controls alarm module repeat circuit normally opened contact closure.Described startup loop direct supply is DC6V.Described alarm direct supply is DC12V.
Ac voltage withstanding instrument control box power switch K1 closes a floodgate, relay a is charged, relay normally open contact K2 closure, remote control module c connects 6V direct supply b and sends out remote signal, remote controller signal receiver module d receives after signal, the relay normally open contact of closure signal receiver module d, light alarm module e and sound alarm module f connect 12V direct supply g, light alarm module e and the same alarm of sound alarm module f.
This alarm is to close a floodgate at ac voltage withstanding instrument control box power switch K1, and transformer also starts in not charged situation, can more directly remind the dangerous sustained periods of time of field personnel and dangerous point, effectively prevents the generation of electric shock accidents.
High-potting alarm in the application starts after low voltage control case electric power loop is charged, although now high voltage side of transformer does not have voltage, alarm has started to report to the police, and in test pressurization and withstand voltage process, alarm continues to report to the police, be down to after zero at high voltage side of transformer voltage, alarm is yet being reported to the police, and after low-pressure side control box power cut-off, alarm is stop alarm, that is to say as long as low voltage control case is charged, alarm equipment alarm, the power-off of low-pressure side control box, alarm stop alarm.Select such alarm set point and type of alarm, can more directly remind the dangerous sustained periods of time of field personnel and dangerous point, effectively prevent the generation of electric shock accidents.In field conduct process, need install a relay, telepilot startup module, 6V direct supply additional in control box electric power loop part, an alarm module being made up of remote control reception module, audible-visual annunciator, 12V direct supply is installed on transformer voltage equalizing ball, and alarm module and voltage equalizing ball contact portion need be carried out insulation processing.The course of work is as follows: ac voltage withstanding instrument control box power switch K1 closes a floodgate, relay a is charged, relay normally open contact K2 closure, remote control module c connects 6V direct supply b and sends out remote signal, remote controller signal receiver module d receives after signal, the relay normally open contact of closure signal receiver module d, light alarm module e and sound alarm module f connect 12V direct supply g, light alarm module e and the same alarm of sound alarm module f.
The embodiment more than providing is in order to illustrate the present invention and its practical application, not the present invention is done to any pro forma restriction, any one professional and technical personnel, not departing from the scope of technical solution of the present invention, does certain modification and changes as the equivalent embodiment that is considered as equivalent variations according to above technology and method.
Claims (3)
1. a high-potting alarm, comprises that alarm starts loop and alarm module; It is characterized in that:
Described alarm starts loop and comprises relay, remote control module, startup loop direct supply and relay normally open contact;
Described relay is connected in control box in ac voltage withstanding instrument complete equipment in parallel and for controlling between the switch of ac voltage withstanding instrument control box power supply, described startup loop direct supply, relay normally open contact and remote control module are serially connected in an electric loop;
Described alarm module is arranged on the transformer voltage equalizing ball in ac voltage withstanding instrument complete equipment by insulation processing, comprise signal receiving module, alarm direct supply, light alarm module and sound alarm module, wherein light alarm module is connected in series by described signal receiving module and alarm direct supply after being connected in parallel into a parallel branch with sound alarm module;
In the time that the switch between the switch for controlling ac voltage withstanding instrument control box power supply closes a floodgate, described relay coil energising, described relay normally open contact closure, described remote control module is connected direct supply and is sent out remote signal;
Described smooth alarm module is connected in parallel into a parallel branch with sound alarm module and is connected by the normally opened contact of signal receiving module with alarm direct supply, one end of the normally opened contact of signal receiving module directly connects alarm DC power anode, the other end connects the power connection positive pole of light alarm module and sound alarm module, and light alarm module and sound alarm module power connection negative pole directly connect the negative pole of alarm direct supply; Signal receiving module in described alarm module receives described alarm and starts the remote signal that remote control module is sent out in loop, controls alarm module repeat circuit normally opened contact closure;
Described alarm is to close a floodgate at ac voltage withstanding instrument control box power switch, and transformer also starts in not charged situation.
2. high-potting alarm according to claim 1, is characterized in that: described startup loop direct supply is DC6V.
3. high-potting alarm according to claim 1, is characterized in that: described alarm direct supply is DC12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558541.7A CN103065432B (en) | 2012-12-20 | 2012-12-20 | High-voltage test alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558541.7A CN103065432B (en) | 2012-12-20 | 2012-12-20 | High-voltage test alarm |
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| Publication Number | Publication Date |
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| CN103065432A CN103065432A (en) | 2013-04-24 |
| CN103065432B true CN103065432B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210558541.7A Active CN103065432B (en) | 2012-12-20 | 2012-12-20 | High-voltage test alarm |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669997A (en) * | 2013-12-12 | 2014-03-26 | 国家电网公司 | Intelligent portable safety fence |
| CN104049160A (en) * | 2014-05-20 | 2014-09-17 | 国家电网公司 | Voice prompt device used during electrical test |
| CN104050763A (en) * | 2014-05-20 | 2014-09-17 | 国家电网公司 | Electrical test warning device with voice warning function and flickering function |
| CN107727975A (en) * | 2017-11-10 | 2018-02-23 | 国网四川雅安电力（集团）股份有限公司 | A kind of power industry high-potting system |
| CN111983322B (en) * | 2020-08-24 | 2023-07-04 | 天津铁路信号有限责任公司 | Metro power supply screen output loop insulation resistance monitoring circuit with switching function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2042614U (en) * | 1988-12-26 | 1989-08-09 | 阳枝仁 | Universal electronic theft-proof alarm |
| CN201234063Y (en) * | 2008-02-28 | 2009-05-06 | 中国石油化工股份有限公司 | Intelligent anti-damage power switch box |
| CN201867498U (en) * | 2010-12-02 | 2011-06-15 | 宁夏电力公司超高压分公司 | Intelligent fence special for high-voltage test |
| CN202467322U (en) * | 2012-03-02 | 2012-10-03 | 石家庄供电公司 | Automatic alarm safety rail |
| CN202976403U (en) * | 2012-12-20 | 2013-06-05 | 中国南方电网有限责任公司调峰调频发电公司天生桥水力发电总厂 | High-voltage test alarm |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100544150C (en) * | 2007-08-22 | 2009-09-23 | 董右云 | Intelligentized electric energy management system assembled device |
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2012
- 2012-12-20 CN CN201210558541.7A patent/CN103065432B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042614U (en) * | 1988-12-26 | 1989-08-09 | 阳枝仁 | Universal electronic theft-proof alarm |
| CN201234063Y (en) * | 2008-02-28 | 2009-05-06 | 中国石油化工股份有限公司 | Intelligent anti-damage power switch box |
| CN201867498U (en) * | 2010-12-02 | 2011-06-15 | 宁夏电力公司超高压分公司 | Intelligent fence special for high-voltage test |
| CN202467322U (en) * | 2012-03-02 | 2012-10-03 | 石家庄供电公司 | Automatic alarm safety rail |
| CN202976403U (en) * | 2012-12-20 | 2013-06-05 | 中国南方电网有限责任公司调峰调频发电公司天生桥水力发电总厂 | High-voltage test alarm |
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| CN103065432A (en) | 2013-04-24 |
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Address after: 562400 No.1 Beijing Road, Xingyi City, Qianxinan Buyi and Miao Autonomous Prefecture, Guizhou Province Patentee after: TIANSHENGQIAO HYDROPOWER GENERATION Co.,Ltd. Address before: 562400 Tianshengqiao Hydropower Plant, No. 1, Beijing Road, Xingyi City, Guizhou Province Patentee before: TIANSHENGQIAO POWER GENERATION GENERAL FACTORY OF PEAK LOAD AND FREQUENCY REGULATION COMPANY, CHINA SOUTHERN POWER GRID CO.,LTD. |
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