CN203178348U - Large-aperture leakage current clamp meter - Google Patents
Large-aperture leakage current clamp meter Download PDFInfo
- Publication number
- CN203178348U CN203178348U CN 201320173308 CN201320173308U CN203178348U CN 203178348 U CN203178348 U CN 203178348U CN 201320173308 CN201320173308 CN 201320173308 CN 201320173308 U CN201320173308 U CN 201320173308U CN 203178348 U CN203178348 U CN 203178348U
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- Prior art keywords
- leakage current
- tong
- binding clip
- tong head
- cover
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- Expired - Lifetime
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Abstract
The utility model discloses a large-aperture leakage current clamp meter, comprising a rear cover, a front cover, a turn button, a panel and an openable annular tong head. A circuit board assembly is arranged in the space between the rear cover and the front cover, the annular tong head comprises a semicircular left tong head and a semicircular right tong head, the left tong head comprises two long tong sleeve which are two halves up and down, the right tong head comprises two short tong sleeves which are two halves up and down, a magnetic conductive sheet with a wound coil is arranged in the two long tong sleeves and the two short tong sleeves, and a permalloy shield is sleeved outside the magnetic conductive sheet. According to the leakage current clamp meter, the periphery of the magnetic conductive sheet is sleeved by the permalloy shield which effectively prevents interference from external magnetic field, high precision and high stability in measurement are achieved, simultaneously, the diameter of the annular tong head comprising the left tong head and the right tong head reaches as high as 70 mm, and the leakage current clamp meter is used for detection in various circuits. Electric leakage, repeated grounding and other faults in a circuit are rapidly detected, and normal operation of a leakage protector in a low pressure electrical network is ensured.
Description
Technical field
The utility model relates to a kind of leakage current clamp meter.
Background technology
For the leakage current in the measuring circuit, the general leakage current pincerlike meter that adopts is measured now.Pincerlike meter comprises annular binding clip to be opened/closed, being provided with in the binding clip can faradic magnetic conduction sheet and coil, when measuring leakage current annular binding clip is enclosed within on the circuit, if leakage current generating is arranged, just can sense by the magnetic conduction sheet in the binding clip and coil, and finally demonstrate the size of leakage current by processing of circuit at table.Thereby but making the electric current instability owing to often have interference current on the circuit, the leakage current that pincerlike meter is measured is just not accurate, instability.
Summary of the invention
The purpose of this utility model provides a kind of bigbore leakage current pincerlike meter, and it is more accurate, more stable to record leakage current.
The utility model solves the problems of the technologies described above by following technical proposals:
A kind of heavy caliber leakage current pincerlike meter, comprise bonnet, protecgulum, knob, panel and annular binding clip to be opened/closed, be provided with circuit board assemblies in bonnet, the protecgulum, the annular binding clip is made up of semiorbicular left binding clip and right binding clip, left side binding clip comprises the alligator pliers cover of two halves up and down, right binding clip comprises that the weak point pincers of two halves overlap up and down, and with two short magnetic conduction sheets that all are provided with in the cover around coil that clamp, the magnetic conduction sheet periphery is with the permalloy radome in two alligator pliers covers.
Described alligator pliers cover is connected by extension spring with short the pincers between the cover, and the alligator pliers cover is provided with button.
Described bonnet is provided with the battery into the circuit board assemblies power supply.
Described annular binding clip diameter is 70mm.
The utility model leakage current pincerlike meter is with the permalloy radome in the magnetic conduction sheet periphery, by the permalloy radome, effectively avoid the interference of external magnetic field, high precision, high stability, high reliability when having guaranteed to measure, the described annular binding clip diameter of left binding clip and right binding clip composition can reach 70mm simultaneously, can be used for the detection of various circuits.And can detect the electric wiring electric leakage rapidly, faults such as multiple grounding can check electricity filching behavior out of doors, guarantee the normal operation of earth leakage protective device in the low voltage electric network.
Description of drawings
Fig. 1 is exploded perspective view of the present utility model.
Fig. 2 is front view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
As Fig. 1, shown in 2, a kind of heavy caliber leakage current pincerlike meter, comprise bonnet 3, protecgulum 14, knob 17, panel 18 and annular binding clip to be opened/closed, bonnet 3, be provided with circuit board assemblies 20 in the protecgulum 14, the annular binding clip is made up of semiorbicular left binding clip 23 and right binding clip 24, left side binding clip 23 comprises the alligator pliers cover 12 of two halves up and down, 21, right binding clip 24 comprises the short pincers cover 11 of two halves up and down, 5, two alligator pliers covers 12, overlap 11 with two short pincers in 21, all be provided with the magnetic conduction sheet 8 around coil 10 in 5, magnetic conduction sheet 8 peripheries are with permalloy radome 6, cover by shielding strip 7 on the radome 6, shield effectiveness is better again.Is connected by extension spring 4 between described alligator pliers cover and the short pincers cover, the alligator pliers cover is provided with button 25, and alligator pliers cover and weak point clamp to overlap and all be installed on protecgulum 14 and the bonnet 3.Described bonnet 3 is provided with the battery 2 into circuit board assemblies 20 power supply, and battery 2 is contained in the battery case on the bonnet 3, by screw 22 battery cover 1 is covered again.Described annular binding clip diameter is 70mm.Circuit board assemblies 20 is provided with brush sheet 19, and brush sheet 19 is fixed on the loam cake 14 by brush bar 13, brushes sheet 19 simultaneously and connects knob 17, when detecting electric current, stir knob 17 and decide gear, the brush sheet contacts with circuit board when deciding gear, stirs knob 17 drive brush sheets 19 and contacts with circuit board assemblies.
When detecting electric current, press button 25, about two binding clips open, be enclosed within then on the electric wire that needs to detect, unclamp button 25, extension spring 4 with about two binding clips close, opening two ends magnetic conduction sheet is reported to the leadship after accomplishing a task chimeric, knob is pushed on the gear that detects leakage current, will be presented on the panel 18 of loam cake 14 through detecting leakage current.Magnetic conduction sheet 8 peripheries are with permalloy radome 6, effectively avoid the interference of external magnetic field by permalloy radome 6, high precision, high stability, high reliability when having guaranteed to measure, the described annular binding clip diameter of left binding clip and right binding clip composition can reach 70mm simultaneously, can be used for the detection of various circuits.
Claims (4)
1. heavy caliber leakage current pincerlike meter, comprise bonnet (3), protecgulum (14), knob (17), panel (18) and annular binding clip to be opened/closed, bonnet (3), be provided with circuit board assemblies (20) in the protecgulum (14), it is characterized in that, the annular binding clip is made up of semiorbicular left binding clip (23) and right binding clip (24), left side binding clip (23) comprises the alligator pliers cover (12 of two halves up and down, 21), right binding clip (24) comprises the short pincers cover (11 of two halves up and down, 5), two alligator pliers covers (12,21) overlap (11 with two short pincers in, 5) all be provided with the magnetic conduction sheet (8) around coil (10) in, magnetic conduction sheet (8) periphery is with permalloy radome (6).
2. a kind of heavy caliber leakage current pincerlike meter according to claim 1 is characterized in that, described alligator pliers cover is connected by extension spring (4) with short the pincers between the cover, and the alligator pliers cover is provided with button (25).
3. a kind of heavy caliber leakage current pincerlike meter according to claim 1 is characterized in that, described bonnet (3) is provided with the battery (2) into circuit board assemblies (20) power supply.
4. a kind of heavy caliber leakage current pincerlike meter according to claim 1 is characterized in that, described annular binding clip diameter is 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173308 CN203178348U (en) | 2013-04-08 | 2013-04-08 | Large-aperture leakage current clamp meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173308 CN203178348U (en) | 2013-04-08 | 2013-04-08 | Large-aperture leakage current clamp meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178348U true CN203178348U (en) | 2013-09-04 |
Family
ID=49075026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320173308 Expired - Lifetime CN203178348U (en) | 2013-04-08 | 2013-04-08 | Large-aperture leakage current clamp meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203178348U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931763A (en) * | 2015-06-23 | 2015-09-23 | 中山市木易万用仪器仪表有限公司 | Large-caliber clamp-shaped leakage current meter |
| CN105140011A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Pincers-shaped zero sequence current transformer |
| CN105137257A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Leakage current monitor |
| CN105137256A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Leakage current monitor control device |
| CN105572538A (en) * | 2016-01-29 | 2016-05-11 | 深圳市均方根科技有限公司 | Electric leakage tester with wireless communication function |
| CN105629036A (en) * | 2016-01-29 | 2016-06-01 | 深圳市均方根科技有限公司 | Electric leakage detector with replaceable detection clamp |
| CN106054010A (en) * | 2016-01-29 | 2016-10-26 | 深圳市均方根科技有限公司 | Electric leakage detecting instrument with electronic lock |
| CN107907774A (en) * | 2017-03-31 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of detection of electrical leakage utensil |
| CN108398585A (en) * | 2017-02-08 | 2018-08-14 | 翔熙实业股份有限公司 | Pincerlike electric measurement instrument |
| CN113608010A (en) * | 2021-10-11 | 2021-11-05 | 广东电网有限责任公司惠州供电局 | Telescopic clip-on ammeter |
| CN114242357A (en) * | 2021-11-27 | 2022-03-25 | 国网山东省电力公司五莲县供电公司 | Insulation processing device for exposed points of distribution network area and working method thereof |
-
2013
- 2013-04-08 CN CN 201320173308 patent/CN203178348U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931763A (en) * | 2015-06-23 | 2015-09-23 | 中山市木易万用仪器仪表有限公司 | Large-caliber clamp-shaped leakage current meter |
| CN105140011A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Pincers-shaped zero sequence current transformer |
| CN105137257A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Leakage current monitor |
| CN105137256A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Leakage current monitor control device |
| CN105572538B (en) * | 2016-01-29 | 2019-02-05 | 深圳市均方根科技有限公司 | A kind of leakage detector with wireless communication function |
| CN105572538A (en) * | 2016-01-29 | 2016-05-11 | 深圳市均方根科技有限公司 | Electric leakage tester with wireless communication function |
| CN105629036A (en) * | 2016-01-29 | 2016-06-01 | 深圳市均方根科技有限公司 | Electric leakage detector with replaceable detection clamp |
| CN106054010A (en) * | 2016-01-29 | 2016-10-26 | 深圳市均方根科技有限公司 | Electric leakage detecting instrument with electronic lock |
| CN106054010B (en) * | 2016-01-29 | 2019-04-23 | 深圳市均方根科技有限公司 | A kind of leakage detector of having electronic lock |
| CN105629036B (en) * | 2016-01-29 | 2019-01-01 | 深圳市均方根科技有限公司 | A kind of leakage detector of replaceable detection folder |
| CN108398585A (en) * | 2017-02-08 | 2018-08-14 | 翔熙实业股份有限公司 | Pincerlike electric measurement instrument |
| CN107907774A (en) * | 2017-03-31 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of detection of electrical leakage utensil |
| CN107907774B (en) * | 2017-03-31 | 2019-12-24 | 国网浙江省电力公司湖州供电公司 | Electric leakage detection device |
| CN113608010A (en) * | 2021-10-11 | 2021-11-05 | 广东电网有限责任公司惠州供电局 | Telescopic clip-on ammeter |
| CN113608010B (en) * | 2021-10-11 | 2022-03-22 | 广东电网有限责任公司惠州供电局 | Telescopic clip-on ammeter |
| CN114242357A (en) * | 2021-11-27 | 2022-03-25 | 国网山东省电力公司五莲县供电公司 | Insulation processing device for exposed points of distribution network area and working method thereof |
| CN114242357B (en) * | 2021-11-27 | 2024-04-12 | 国网山东省电力公司五莲县供电公司 | Insulated processing device for exposed points of distribution network area and working method of insulated processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |