CN202956425U - Wire over-current detector - Google Patents
Wire over-current detector Download PDFInfo
- Publication number
- CN202956425U CN202956425U CN 201220667693 CN201220667693U CN202956425U CN 202956425 U CN202956425 U CN 202956425U CN 201220667693 CN201220667693 CN 201220667693 CN 201220667693 U CN201220667693 U CN 201220667693U CN 202956425 U CN202956425 U CN 202956425U
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- China
- Prior art keywords
- wire
- clamp
- current
- current detector
- calibrate
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- Expired - Fee Related
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Abstract
The utility model relates to a wire over-current detector which comprises a calibratable clip-on ammeter, a telescopic insulated handle and a handheld microcomputer. The calibratable clip-on ammeter is arranged at the head end of the telescopic insulated handle and comprises a caliper, a mutual-inductance type ammeter and a data reading and wireless transmission chip. The handheld microcomputer comprises a corresponding wireless receiving chip which is connected with the data reading and wireless transmission chip of the calibratable clip-on ammeter to form a wireless connection, and the handheld microcomputer is provided with an alarm indicator lamp. The wire over-current detector can conveniently, accurately and timely detect the current status of a branch low-voltage wire on a pole and send out alarming signals. Therefore, the application of the wire over-current detector solves the problem that an existing current detecting method cannot accurately and timely repair wire defects to restore a normal operation due to the incapability of detecting the current status of every branch wire on a pole.
Description
Technical field
The utility model relates to a kind of wire over-current detector, belongs to electric power with detecting equipment.
Background technology
Raising along with people's living standard, various household electrical appliance increase, power load increases fast exponentially, and, much not the renovating for many years at the fortune low-voltage circuit in the fortune low-voltage equipment of city and country (especially in rural area), the wire over-current phenomenon avoidance is serious.Wire is crossed to fail to be convened for lack of a quorum and is caused resistance rising, lower voltage, circuit premature aging, physical strength to reduce, and therefore has great potential safety hazard, both to power supply enterprise, causes economic loss, affects again normal power supply, causes user household electrical equipment not run well.And want promptly and accurately to eliminate line defct to solve the low pressure problem, and just must find out in time defective locations, the circuit position restringing that accurately measurement just can be accomplished not blindly, will change for urgent need is targetedly avoided overlapping investment simultaneously, causes waste.Current current measuring method is generally two kinds: directly see the upper reometer of installing of power distribution cabinet (or screen) and be stuck on transformer outlet cable and measure with pincers type reometer.These two kinds of methods can not be measured the electric current of each section offset on electric pole, can not sounding rod upper conductor sectional area, so can not detect accurate model and the electric current of rod upper conductor, can't understand permission lowest high-current value that whether institute's excess current surpass this model wire, whether overload and overload degree.
The utility model content
The technical problems to be solved in the utility model is: thus can not repair accurately and timely in order to solve the current situation that can not measure each section offset on electric pole because of existing current measuring method the problem that line defct recovers normal operation, and a kind of wire over-current detector that can detect convenient, accurately and timely rod upper conductor live ruuning situation is provided.
The utility model solves the technical scheme that its technical matters adopts: a kind of wire over-current detector, it is characterized in that: include and can calibrate clamp on amperemeter, telescopic insulated handle and hand held micro computer, can calibrate clamp on amperemeter and be arranged on telescopic insulated handle head end, can calibrate clamp on amperemeter mainly by calibrating clamp, mutual inductance type reometer and data Du Qu wireless transmit chip form, the hand held micro computer has corresponding wireless receiving chip, with can calibrate data in clamp on amperemeter read the wireless transmit chip form wireless connections, described hand held micro computer is fitted with alarm indicator.
The using method of this wire over-current detector and principle of work: open the hand held micro computer during use, the clamp top of calibrating that hand-held telescopic insulated handle can be calibrated clamp on amperemeter by telescopic insulated handle head presss from both sides wire to be measured, can be detected.Calibrate clamp for the measure traverse line diameter of section, the mutual inductance type reometer also recorded line current value by calibrating clamp, data read the wireless transmit chip read calibrate that wire diameter value that clamp record and mutual inductance type reometer record cross line current value and data wireless is transferred to the wireless receiving chip of hand held micro computer, again by hand held micro computer reading displayed, whether the mistake line current that simultaneously the hand held micro computer is indicated this wire by operating ratio to database and comparison calculation program overcurrent and overcurrent degree, and (the hand held micro computer is found out the corresponding model of wire and show the lowest high-current value that conductor cross-section model and permission are passed through on screen when processing in the comparison database correspondingly to light alarm indicator, the current value that comparison collects and the permission lowest high-current value of demarcation, if the current value collected is greater than alarm of calibration value, alarm indicator flicker or long bright), thereby the staff can grasp the ruuning situation of each branched line at any time, find in time, the processing problem.
The beneficial effects of the utility model are: this wire over-current detector have can detect convenient, accurately and timely rod take up an official post meaning branched low pressure wire current situation and provide the function of warning, can not repair accurately and timely line defct and recover the problem of normally moving thereby its application has solved the current situation that can not measure each section offset on electric pole because of existing current measuring method.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model (in figure, dot-and-dash line means data Du Qu wireless transmit chip and the wireless connections of wireless receiving chip).
In figure: 1. can calibrate clamp on amperemeter 1-1. calibrate clamp 1-2. mutual inductance type reometer 1-3. data read the telescopic insulated handle 3. hand held micro computer 3-1. wireless receiving chips of wireless transmit chip 2.
Embodiment
A kind of wire over-current detector, as shown in Figure 1, it includes can calibrate clamp on amperemeter 1, telescopic insulated handle 2 and hand held micro computer 3, can calibrate clamp on amperemeter 1 and be arranged on telescopic insulated handle 2 head ends, can calibrate clamp on amperemeter 1 mainly by calibrating clamp 1-1, mutual inductance type reometer 1-2 and data read wireless transmit chip 1-3 form, the hand held micro computer has corresponding wireless receiving chip 3-1, with can calibrate data in clamp on amperemeter 1 read wireless transmit chip 1-3 form wireless connections, described hand held micro computer 3 is fitted with alarm indicator.
The using method of this wire over-current detector and principle of work: open hand held micro computer 3 during use, the clamp 1-1 top of calibrating that hand-held telescopic insulated handle 2 can be calibrated clamp on amperemeter 1 by telescopic insulated handle 2 heads presss from both sides wire to be measured, can be detected.Calibrate clamp 1-1 for the measure traverse line diameter of section, mutual inductance type reometer 1-2 also recorded line current value by calibrating clamp 1-1, data read wireless transmit chip 1-3 read calibrate that wire diameter value that clamp 1-1 records and mutual inductance type reometer 1-2 record cross line current value and data wireless is transferred to the wireless receiving chip 3-1 of hand held micro computer 3, again by hand held micro computer 3 reading displayed, whether the mistake line current that simultaneously hand held micro computer 3 is indicated this wire by operating ratio to database and comparison calculation program overcurrent and overcurrent degree, and (hand held micro computer 3 is found out the corresponding model of wire and show the lowest high-current value that conductor cross-section model and permission are passed through on screen when processing in the comparison database correspondingly to light alarm indicator, the current value that comparison collects and the permission lowest high-current value of demarcation, if the current value collected is greater than alarm of calibration value, alarm indicator flicker or long bright), thereby the staff can grasp the ruuning situation of each branched line at any time, find in time, the processing problem.
Claims (1)
1. a wire over-current detector, it is characterized in that: it is characterized in that: include and can calibrate clamp on amperemeter (1), telescopic insulated handle (2) and hand held micro computer (3), can calibrate clamp on amperemeter (1) and be arranged on telescopic insulated handle (2) head end, can calibrate clamp on amperemeter (1) mainly by calibrating clamp (1-1), mutual inductance type reometer (1-2) and be arranged on data in mutual inductance type reometer (1-2) read wireless transmit chip (1-3) form, the hand held micro computer has corresponding wireless receiving chip (3-1), with can calibrate data in clamp on amperemeter (1) read wireless transmit chip (1-3) form wireless connections, described hand held micro computer (3) is fitted with alarm indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220667693 CN202956425U (en) | 2012-12-07 | 2012-12-07 | Wire over-current detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220667693 CN202956425U (en) | 2012-12-07 | 2012-12-07 | Wire over-current detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202956425U true CN202956425U (en) | 2013-05-29 |
Family
ID=48461990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220667693 Expired - Fee Related CN202956425U (en) | 2012-12-07 | 2012-12-07 | Wire over-current detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202956425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297550A (en) * | 2014-09-17 | 2015-01-21 | 国家电网公司 | Rod type clip-on current measuring instrument |
| CN106771378A (en) * | 2016-12-07 | 2017-05-31 | 国家电网公司 | A kind of wireless test clamps hand-held bar |
-
2012
- 2012-12-07 CN CN 201220667693 patent/CN202956425U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297550A (en) * | 2014-09-17 | 2015-01-21 | 国家电网公司 | Rod type clip-on current measuring instrument |
| CN106771378A (en) * | 2016-12-07 | 2017-05-31 | 国家电网公司 | A kind of wireless test clamps hand-held bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20151207 |
|
| EXPY | Termination of patent right or utility model |