CN208255320U - A kind of earth leakage protective device testing instrument - Google Patents
A kind of earth leakage protective device testing instrument Download PDFInfo
- Publication number
- CN208255320U CN208255320U CN201820067993.8U CN201820067993U CN208255320U CN 208255320 U CN208255320 U CN 208255320U CN 201820067993 U CN201820067993 U CN 201820067993U CN 208255320 U CN208255320 U CN 208255320U
- Authority
- CN
- China
- Prior art keywords
- detector
- protective device
- earth leakage
- leakage protective
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model relates to a kind of earth leakage protective device testing instruments characterized by comprising earth leakage protective device, detecting head, Voltage detector, current detecting instrument, control chip；The earth leakage protective device is electrically connected with detecting head by crocodile clip；The detecting head output end is electrically connected with Voltage detector and current detecting instrument respectively；Voltage detector and current detecting instrument are electrically connected with control chip；The detector further includes digital display screen；The display screen is electrically connected with the Voltage detector and current detecting instrument respectively；The control chip includes processor, timer and controller; the processor and timer are electrically connected with the controller respectively; this practical offer meets the detection of the earth leakage protective device run domestic at present, using and promoting especially suitable for a line electrician and electricity consumption safety check department in performance, carrying, operating aspect.
Description
Technical field
The utility model relates to electric leakage protection technology fields, more specifically to a kind of earth leakage protective device testing instrument.
Background technique
Installing residual current operated protective device (hereinafter referred to as earth leakage protective device) is an important safety technique for using electricity measure, by
It is in longtime running in earth leakage protective device, performance indicator inevitably changes, jeopardize the normal safe operation of power grid,
It is clearly required and stringent regulation so country and power department have the operation and management of earth leakage protective device.Actual life
In, often occur because earth leakage protective device is in insensitive, the timely bring economic loss of protection caused by longtime running state.
Therefore, the prior art is urgently greatly improved.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of electric leakage for the above-mentioned defect of the prior art
Protector detector characterized by comprising earth leakage protective device, detecting head, Voltage detector, current detecting instrument, control core
Piece；The earth leakage protective device is electrically connected with detecting head by crocodile clip；The detecting head output end respectively with Voltage detector and
Current detecting instrument electrical connection；Voltage detector and current detecting instrument are electrically connected with control chip；
The detector further includes digital display screen；The display screen respectively with the Voltage detector and current detecting instrument
Electrical connection；The control chip includes processor, timer and controller, the processor and timer respectively with the control
Device electrical connection.
Further, the detecting head is wireless earth detector；The wireless earth detector is by mini radio
The earth detector of transmit circuit, precision current transformer composition.
Further, the Voltage detector and current detecting instrument are respectively voltage flow detector and current flow detection
Instrument.
Further, the data processing and transmission that the processor is used to detect Voltage detector and current detecting instrument
To controller and it is back to display screen and is shown.
Further, current threshold and voltage threshold, and the number sended over processor are preset in the controller
According to being compared, if exceeding threshold range, opens timer and carry out timing；It is also preset in the controller beyond threshold value model
The time threshold enclosed is alarmed when exceeding threshold range.
A kind of earth leakage protective device testing instrument for implementing the utility model has the advantages that through detecting head and leakage
Non-electricity protector electrical connection, by its drain conditions of voltage and current detector test, and is shown by display screen in real time, is led to simultaneously
Controller is crossed using relevant operation, simple and convenient, realization detection and the multiple functions such as display and alarm.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the module diagram of the first embodiment of the utility model intelligent digital earth leakage protective device testing instrument.
Specific embodiment
Referring to Fig. 1, the module signal of the first embodiment for the utility model intelligent digital earth leakage protective device testing instrument
Figure.As shown in Figure 1, a kind of earth leakage protective device testing instrument characterized by comprising earth leakage protective device, detecting head, voltage detecting
Instrument, current detecting instrument, control chip；The earth leakage protective device is electrically connected with detecting head by crocodile clip；The detecting head output
End is electrically connected with Voltage detector and current detecting instrument respectively；Voltage detector and current detecting instrument are electrically connected with control chip；
The detector further includes digital display screen；The display screen respectively with the Voltage detector and current detecting instrument
Electrical connection；The control chip includes processor, timer and controller, the processor and timer respectively with the control
Device electrical connection.
One as the present embodiment technical solution improves greatly, and the detecting head is wireless earth detector；The wireless leakage
The earth detector that electric explorer is made of small radio emitting circuit, precision current transformer.
One as the present embodiment technical solution improves greatly, and the Voltage detector and current detecting instrument are respectively voltage stream
Measure detector and current flow detector.
One as the present embodiment technical solution improves greatly, and the processor is used for Voltage detector and current detecting instrument
The data processing that detects simultaneously is sent to controller and is back to display screen and shown.
Particularly, the detector further includes alarm, and the alarm is combined aural and visual alarm, the alarm and control
Device electrical connection processed.
One as the present embodiment technical solution improves greatly, is preset with current threshold and voltage threshold in the controller,
And be compared with the data that processor sends over, if exceeding threshold range, opens timer and carry out timing；The control
It is also preset with the time threshold beyond threshold range in device, when exceeding threshold range, alarms.
Specifically, mutation current, time outrange: mutation current is more than institute's gear selecting maximum value or the time is more than 2S electric leakage
Protector is still not operating, and detector can cut off measure loop at once, into guard mode and warns, illustrate selected gear it is less than normal or
Tripping.
Slowly varying current, time outrange: slowly varying current be more than institute's gear selecting maximum value or time be more than 2S earth leakage protective device still
Not operating, detector can cut off at once measure loop by controller, into guard mode and warn, and illustrate that selected gear is less than normal
Or tripping.
Alternating voltage outranges: when measuring alternating voltage, voltage is more than 500V, into alarm condition and is warned.
The utility model is described according to specific embodiment, but it will be understood by those skilled in the art that not departing from
When the scope of the utility model, various change and equivalent replacement can be carried out.In addition, to adapt to the specific field of the utility model technology
It closes, many modifications can be carried out to the utility model without departing from its protection scope.Therefore, the utility model is not limited to public herein
The specific embodiment opened, and including all embodiments for dropping into claims.
Claims (5)
1. a kind of earth leakage protective device testing instrument characterized by comprising earth leakage protective device, detecting head, Voltage detector, electric current
Detector, control chip；The earth leakage protective device is electrically connected with detecting head by crocodile clip；The detecting head output end respectively with
Voltage detector and current detecting instrument electrical connection；Voltage detector and current detecting instrument are electrically connected with control chip；
The detector further includes digital display screen；The display screen is electrically connected with the Voltage detector and current detecting instrument respectively
It connects；The control chip includes processor, timer and controller, and the processor and timer are electric with the controller respectively
Connection.
2. a kind of earth leakage protective device testing instrument according to claim 1, which is characterized in that the detecting head is wireless electric leakage
Detector；The wireless earth detector is detected by the electric leakage that small radio emitting circuit, precision current transformer form
Device.
3. a kind of earth leakage protective device testing instrument according to claim 1, which is characterized in that the Voltage detector and electric current
Detector is respectively voltage flow detector and current flow detector.
4. a kind of earth leakage protective device testing instrument according to claim 1, which is characterized in that the processor is used for voltage
Data processing that detector and current detecting instrument detect simultaneously is sent to controller and is back to display screen and shown.
5. a kind of earth leakage protective device testing instrument according to claim 1, which is characterized in that be preset with electricity in the controller
Threshold value and voltage threshold are flowed, and is compared with the data that processor sends over, if exceeding threshold range, opens timer
Carry out timing；It is also preset with the time threshold beyond threshold range in the controller, when exceeding threshold range, is reported
It is alert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067993.8U CN208255320U (en) | 2018-01-18 | 2018-01-18 | A kind of earth leakage protective device testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067993.8U CN208255320U (en) | 2018-01-18 | 2018-01-18 | A kind of earth leakage protective device testing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255320U true CN208255320U (en) | 2018-12-18 |
Family
ID=64619318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820067993.8U Expired - Fee Related CN208255320U (en) | 2018-01-18 | 2018-01-18 | A kind of earth leakage protective device testing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208255320U (en) |
-
2018
- 2018-01-18 CN CN201820067993.8U patent/CN208255320U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8947246B2 (en) | Utility meter arc detection system | |
| MXPA06003115A (en) | Device for supervising a leakage current of a lighting arrester. | |
| CN106450960A (en) | Controller based smart socket and current, voltage and temperature monitoring protection method | |
| CN203339659U (en) | Single-phase electric leakage protection and power supply automation recovery device | |
| CN201497796U (en) | Relay protection detector | |
| CN209486252U (en) | A kind of CT automatic electricity getting switch cubicle detection device and system | |
| CN208255320U (en) | A kind of earth leakage protective device testing instrument | |
| CN207408477U (en) | A kind of flexible experimental bench warning device | |
| CN109387782A (en) | A kind of CT automatic electricity getting switch cubicle detection device and system | |
| CN201429683Y (en) | Surge protector detection device based on temperature sensor | |
| CN204101613U (en) | A kind of non-contact switch amount condition checkout gear | |
| CN207717912U (en) | Power circuit overheats automatic protective system | |
| CN208369206U (en) | A kind of arc light protective device with TEV detection | |
| CN205160051U (en) | Silicon controlled switch | |
| CN209132364U (en) | A kind of detecting system and measuring instrumentss of self-recovery fuse | |
| CN102750800A (en) | Automatic fire alarming system | |
| CN106849044B (en) | A kind of invariable power overvoltage intelligence short-circuit protector | |
| CN202797943U (en) | Secondary overvoltage protector of combined current transformer | |
| CN107294053B (en) | Current foldback circuit and exposure bench | |
| CN109342873A (en) | A kind of metal-back electric equipment products electric leakage alarm device with self-checking function | |
| CN111007295A (en) | Multimeter capable of automatically measuring | |
| CN205788654U (en) | A kind of split type safety alarm for nearly electro-detection | |
| CN215953824U (en) | Body-building apparatus power supply monitoring device | |
| CN210690680U (en) | Intelligent low-voltage wireless temperature measurement current and voltage monitoring device | |
| CN209562145U (en) | A kind of intelligent contactor system of motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325604 Huancheng East Road, Houjie Industrial Zone, Liushi Town, Leqing City, Zhejiang Province Patentee after: Minpu Electric Group Co., Ltd Address before: 325000, Zhejiang City, Wenzhou province Liushi town Yueqing back street Industrial Zone, East Ring Road Patentee before: MINPU ELECTRIC Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20210118 |