CN2648452Y - Examining and repairing protector for high pressure equipment - Google Patents
Examining and repairing protector for high pressure equipment Download PDFInfo
- Publication number
- CN2648452Y CN2648452Y CN 03270872 CN03270872U CN2648452Y CN 2648452 Y CN2648452 Y CN 2648452Y CN 03270872 CN03270872 CN 03270872 CN 03270872 U CN03270872 U CN 03270872U CN 2648452 Y CN2648452 Y CN 2648452Y
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Abstract
The utility model provides a high pressure device maintenance protector that can be continuously detected and applied. The technic proposal is that the utility model contains a test probe, a hand switch, a unit signal, a sound and light alarm circuit and a battery that is arranged in an insulating shell. The utility model is characterized in that a gate magnetic switch line is in parallel connection with the joint between the test probe and a detecting switch circuit. The sound alarm is arranged as 'Danger! Electricity! Please keep off'. The high pressure device maintenance protector of the utility model is arranged in the insulating shell; the test probe outside the shell conveys the operation status of the device to the input terminal of the unit signal continuously, after logical judgment and comparison, the sound and light and light flashing alarm circuit is started to alarm continuously. The utility model has the advantages of high sensitivity, accuracy, reliability, anti-interference, high and low temperature resistance and damp resistance. The utility model can send sound and light and light flashing alarm when automatically and continuously detecting the detected device, which is convenient for operators, helps operators to look out and prevent misoperation.
Description
One, technical field: the utility model relates to a kind of automatic indication examination and repair for high-pressure equipment, and whether charged high-tension apparatus overhauls protector.
Two, background technology: at present, known high voltage testing bar construction is to manage unit, alarm unit and hand outward by test probe, signal to touch switching sequence and be unified into.Test probe is close by pressure measurement high pressure thing, and staff touches switch by setting about, and when measured object had high voltage, pilot lamp was bright, and with the high frequency howling, the expression tested device has high-tension electricity.The defective of this pick-up unit is in the overhaul of the equipments process, and whether charged, cause danger easily if can not uninterruptedly monitor out measured object automatically.
Three, summary of the invention: the purpose of this utility model is exactly the above-mentioned defective that exists at prior art, and a kind of high-tension apparatus maintenance protector that can continuous detecting uses is provided.
Its technical scheme is: comprise that test probe, hand touch switch, signal processing unit, sound light alarming circuit, battery and be installed in the insulation crust, it is characterized in that: at test probe and detector switch circuit junction place, a door status switch circuit is connected in parallel.Audio alert wherein is set to " electricity is arranged, and Danger! Keep Away ".
High-tension apparatus of the present utility model maintenance protector is in insulation crust, and the outer test probe of shell continues to be passed to the input end of signal processing unit, through the judgement of logic relatively with equipment running status, starts voice and lamp and dodges the circuit of warning, and gives the alarm continuously; This device is because of being used in high-tension circuit, thus adopt independent direct current electric power system (electric battery), and be enclosed in the insulation shell, effectively prevent extraneous strong-electromagnetic field influence.Whether charged be characterized in: highly sensitive, anti-interference accurately and reliably, anti-high and low-temp and moisture resistance are wet, can uninterruptedly monitor out equipment under test automatically when, and the voice light alerting system makes things convenient for the maintainer to enhance your vigilance, and prevents maloperation.Components and parts are few, and are simple in structure.
Four, description of drawings:
This figure is circuit theory diagrams of the present utility model;
Five, embodiment:
With reference to accompanying drawing, existing circuit comprises that probe T, capacitor C, signal processing unit (logical circuit of being made up of triode), resistance R 1, hand touch K switch, resistance R 2, sound circuit, light emitting diode 2D, loudspeaker and electric battery E and form.The utility model is parallel gate magnetic switch DK and resistance R 3 on this basis.Test probe during use that the protector insulation shell is outer is apart from high pressure bare conductor 15CM, and the main body of its tape insulation shell is placed near cabinet door (maintaining a certain distance to reduce the high pressure interference with high-voltage switch gear); Door status switch DK is contained in the door switch place, and when door was in closed condition, the contact of magnetic switch was a closure state, and with the input short circuit of signal processing unit, it is electronic when capable that high-tension switch cabinet normally is with, and need not to report to the police.
When high-tension apparatus is in inspecting state, the switch cubicle door is opened, door status switch DK disconnects immediately, alarm is in running order, and test contact T uninterruptedly is input to the duty of high-tension apparatus signal processing unit, compares through the judgement of logical circuit, in case high-tension apparatus is charged, at once start the audible and visible alarm unit, and send the voice alarm of " electricity is arranged, and Danger! Keep Away ", and strengthen warning with flash of light.This device is because of being used in high-tension circuit, thus adopt the independent direct current electric power system, and be enclosed in the insulation shell, power consumption is little, detects electric current at ordinary times less than 1 milliampere, and working current is less than 25 milliamperes during alarm, and common dry cell just can continuous firing reach more than 1 year.
Claims (1)
1, a kind of high-tension apparatus maintenance protector; comprise that test probe, hand touch switch, signal processing unit, sound light alarming circuit, cell apparatus in insulation crust; it is characterized in that: at test probe and detector switch circuit junction place, a door status switch circuit is connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03270872 CN2648452Y (en) | 2003-08-29 | 2003-08-29 | Examining and repairing protector for high pressure equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03270872 CN2648452Y (en) | 2003-08-29 | 2003-08-29 | Examining and repairing protector for high pressure equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2648452Y true CN2648452Y (en) | 2004-10-13 |
Family
ID=34330633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03270872 Expired - Fee Related CN2648452Y (en) | 2003-08-29 | 2003-08-29 | Examining and repairing protector for high pressure equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2648452Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599618A (en) * | 2013-12-05 | 2014-02-26 | 国网上海市电力公司 | Improvement of electric control unit of oil extraction and nitrogen injection device |
| CN103837730A (en) * | 2012-11-27 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | High voltage trigger signal detection circuit |
| CN113436410A (en) * | 2021-06-02 | 2021-09-24 | 内蒙古蒙电华能热电股份有限公司乌海发电厂 | False opening alarm device of high tension switchgear backplate |
-
2003
- 2003-08-29 CN CN 03270872 patent/CN2648452Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837730A (en) * | 2012-11-27 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | High voltage trigger signal detection circuit |
| CN103599618A (en) * | 2013-12-05 | 2014-02-26 | 国网上海市电力公司 | Improvement of electric control unit of oil extraction and nitrogen injection device |
| CN103599618B (en) * | 2013-12-05 | 2016-05-18 | 国网上海市电力公司 | A kind of improvement of oil draining nitrogen filling device ECU |
| CN113436410A (en) * | 2021-06-02 | 2021-09-24 | 内蒙古蒙电华能热电股份有限公司乌海发电厂 | False opening alarm device of high tension switchgear backplate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |