CN202976403U - High-voltage test alarm - Google Patents
High-voltage test alarm Download PDFInfo
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- CN202976403U CN202976403U CN 201220711079 CN201220711079U CN202976403U CN 202976403 U CN202976403 U CN 202976403U CN 201220711079 CN201220711079 CN 201220711079 CN 201220711079 U CN201220711079 U CN 201220711079U CN 202976403 U CN202976403 U CN 202976403U
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- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000004382 potting Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 12
- 230000002459 sustained Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 206010015150 Erythema Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Abstract
The utility model relates to a high-voltage test alarm, which comprises an alarm starting loop and an alarm module, wherein the alarm starting loop comprises a relay, a remote control module, a starting loop direct-current power supply and a relay normally opened contact; the relay is connected between a control box in a complete device of an alternating-current pressure-resistant instrument and a switch for controlling the power supply of the control box of the alternating-current pressure-resistant instrument in parallel; the starting loop direct-current power supply, the relay normally opened contact and the remote control module are connected in series to form an electric loop; and the alarm module is installed on a pressure equalizing ball of a transformer in the complete device of the alternating-current pressure-resistant instrument through insulation treatment and comprises a signal receiving module, an alarm direct-current power supply, a light alarm module and a sound alarm module, wherein after being connected to form a parallel branch in parallel, the light alarm module and the sound alarm module are connected with the alarm direct-current power supply through the signal receiving module in series. The high-voltage test alarm disclosed by the utility model is applied to the field of electric power engineering (electrical test), so that electric shock accidents in the high-voltage test process can be effectively prevented.
Description
Technical field
The utility model 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 the high-potting process.
Background technology
By " safety " regulation, fence special must be set during high-potting work and outwards hang " halt, Keep Clear-High Voltage " nameplate, need there be the special messenger to guard in process of the test.And in the work of reality, exist some there is no to carry out the behavior of " safety " regulation, do not obtain work responsible official's license as the step in operation; Do not have the special messenger to guard in pressure process, exhale and sing incorrect and random interruption; After the test product test, there is no timely open test power switch, test product is not discharged and short circuit grounding; Work responsible official (guardian) does not arrange safety notice in test to all testing crews in detail before going into operation, in work, remove without authorization again or abandon guarding responsibility, makes experiment work lose commander and monitoring.Above all abnormal activities all may cause person electric shock in process of the test, 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 the staff does not carry out " safety " regulation, and the touching pressurized equipment causes the generation of electric shock accidents.
For avoiding the generation of the type human casualty accident, some technical products have also appearred, 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 simultaneously the function of flash of light.For being strayed into the electric power explosive area in when work, the electric power personnel play important safety effect.2, shortcoming and defect: two operational motions of the power supply of opening and closing are arranged in the audible and visible alarm fence use procedure, simultaneously need adjust the warning scanning area before use, this increases by two operations for undoubtedly the high-potting process of original complicated operation, if it is improper that scanning area is adjusted, also may cause transmitting messages alert signal by mistake.
Summary of the invention
For solving the above problem that exists in prior art, the utility model discloses a kind of high-potting alarm.
The utility model 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 the loop and comprises relay, remote control module, startup loop direct supply and relay normally open contact;
Described relay is connected in the control box in ac voltage withstanding instrument complete equipment in parallel and be used for controls between the switch of ac voltage withstanding instrument control box power supply, and 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 the light alarm module be connected in series by described signal receiving module and alarm direct supply after the sound alarm module is connected in parallel into a parallel branch.
The utility model further comprises following optimal technical scheme:
When the switch between the switch that is used for control ac voltage withstanding instrument control box power supply closes a floodgate, described relay coil energising, described relay normally open contact is closed, and described remote control module is connected direct supply and is sent out remote signal.
Described smooth alarm module is connected into a parallel branch is connected signal receiving module with the alarm direct supply normally opened contact connection with the sound alarm module, one end of the normally opened contact of signal receiving module connects the 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.
The described alarm of signal receiving module reception in described alarm module starts the remote signal that remote control module is sent out in the loop, controls alarm module repeat circuit normally opened contact closed.
Described startup loop direct supply is DC6V.
Described alarm direct supply is DC12V.
The utlity model has following beneficial effect:
This alarm only needs to do on ac voltage withstanding instrument complete equipment once to change, and can forever use, and need not to do any operation in use procedure, compares with audible and visible alarm fence, has improved work efficiency;
Redness flash of light and intermittent " halt, Keep Clear-High Voltage " prompt tone during this alarm equipment alarm can more directly be reminded the dangerous sustained periods of time of field personnel and dangerous point, effectively prevent accident of human electric shock's generation.
Description of drawings
Fig. 1 is the theory diagram of the utility model 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, the 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 technical solution of the utility model is described in further detail.
Existing high-potting ac voltage withstanding instrument complete equipment are comprised of several parts such as control box, pressure regulator, transformers, control cut-offfing of power supply by control box in process of the test, are controlled the size of voltage by pressure regulator, and transformer is realized low pressure boosting to high pressure.
The disclosed a kind of high-potting alarm of the utility model as shown in Figure 1, the high-potting alarm starts loop A by alarm and alarm B two parts form, and described alarm starts the 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 the control box in ac voltage withstanding instrument complete equipment in parallel and be used for controls between the switch of ac voltage withstanding instrument control box power supply, and 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, wherein light alarm module e be connected in series by described signal receiving module d and alarm direct supply g after sound alarm module f is connected in parallel into a parallel branch.The 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 the 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.
When the switch k1 between the switch that is used for control ac voltage withstanding instrument control box power supply closes a floodgate, described relay coil energising, described relay normally open contact k2 is closed, and described remote control module c connects direct supply b and sends out remote signal.Described smooth alarm module e is connected into a parallel branch is connected signal receiving module with the alarm direct supply normally opened contact (not shown) connection with sound alarm module f, it is anodal that one end of the normally opened contact of signal receiving module connects alarm direct supply g, 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.The described alarm of signal receiving module d reception in described alarm module B starts the remote control module remote signal that c sends out in the loop, controls alarm module repeat circuit normally opened contact closed.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 is closed, remote control module c connects 6V direct supply b and sends out remote signal, after remote controller signal receiver module d receives signal, the relay normally open contact of closure signal receiver module d, light alarm module e and sound alarm module f are connected 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 utility model namely starts after low voltage control case electric power loop is charged, although this moment, high voltage side of transformer did not have voltage, but alarm has begun to report to the police, alarm continues to report to the police in test pressurization and withstand voltage process, be down to after zero at high voltage side of transformer voltage, alarm is yet being reported to the police, after low-pressure side control box power cut-off, alarm is stop alarm, that is to say as long as the low voltage control case is charged, alarm equipment alarm, the outage 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.Need in the field conduct process partly to install a relay, telepilot startup module, 6V direct supply additional at the control box electric power loop, an alarm module that is comprised of remote control reception module, audible-visual annunciator, 12V direct supply is installed on the 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 is closed, remote control module c connects 6V direct supply b and sends out remote signal, after remote controller signal receiver module d receives signal, the relay normally open contact of closure signal receiver module d, light alarm module e and sound alarm module f are connected 12V direct supply g, light alarm module e and the same alarm of sound alarm module f.
The embodiment that more than provides is in order to illustrate the utility model and its practical application, be not that the utility model is done any pro forma restriction, any one professional and technical personnel does certain modification and changes as the equivalent embodiment that is considered as equivalent variations according to above technology and method in the scope that does not depart from technical solutions of the utility model.
Claims (6)
1. a high-potting alarm, comprise that alarm starts loop and alarm module; It is characterized in that:
Described alarm starts the loop and comprises relay, remote control module, startup loop direct supply and relay normally open contact;
Described relay is connected in the control box in ac voltage withstanding instrument complete equipment in parallel and be used for controls between the switch of ac voltage withstanding instrument control box power supply, and 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 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 the light alarm module be connected in series by described signal receiving module and alarm direct supply after the sound alarm module is connected in parallel into a parallel branch.
2. high-potting alarm according to claim 1, it is characterized in that: when the switch between the switch that is used for control ac voltage withstanding instrument control box power supply closes a floodgate, described relay coil energising, described relay normally open contact is closed, and described remote control module is connected direct supply and is sent out remote signal.
3. high-potting alarm according to claim 1 and 2, it is characterized in that: described smooth alarm module is connected into a parallel branch is connected signal receiving module with the alarm direct supply normally opened contact connection with the sound alarm module, one end of the normally opened contact of signal receiving module connects the 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.
4. high-potting alarm according to claim 3, it is characterized in that: the described alarm of signal receiving module reception in described alarm module starts the remote signal that remote control module is sent out in the loop, controls alarm module repeat circuit normally opened contact closed.
5. high-potting alarm according to claim 1 is characterized in that: described startup loop direct supply is DC6V.
6. high-potting alarm according to claim 1, it is characterized in that: described alarm direct supply is DC12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711079 CN202976403U (en) | 2012-12-20 | 2012-12-20 | High-voltage test alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711079 CN202976403U (en) | 2012-12-20 | 2012-12-20 | High-voltage test alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202976403U true CN202976403U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220711079 Active CN202976403U (en) | 2012-12-20 | 2012-12-20 | High-voltage test alarm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065432A (en) * | 2012-12-20 | 2013-04-24 | 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 |
| CN111402544A (en) * | 2020-03-23 | 2020-07-10 | 朔黄铁路发展有限责任公司 | Safety warning device |
-
2012
- 2012-12-20 CN CN 201220711079 patent/CN202976403U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065432A (en) * | 2012-12-20 | 2013-04-24 | 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 |
| CN103065432B (en) * | 2012-12-20 | 2014-12-10 | 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 |
| CN111402544A (en) * | 2020-03-23 | 2020-07-10 | 朔黄铁路发展有限责任公司 | Safety warning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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. |