CN208188192U - A kind of multiturn current clamp - Google Patents
A kind of multiturn current clamp Download PDFInfo
- Publication number
- CN208188192U CN208188192U CN201820784748.9U CN201820784748U CN208188192U CN 208188192 U CN208188192 U CN 208188192U CN 201820784748 U CN201820784748 U CN 201820784748U CN 208188192 U CN208188192 U CN 208188192U
- Authority
- CN
- China
- Prior art keywords
- coil
- caliper
- binding clip
- current
- driving switch
- 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.)
- Active
Links
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 5
- 208000034888 Needle issue Diseases 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 3
- 230000004907 flux Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a kind of multiturn current clamp; current clamp includes binding clip and caliper; the utility model has the advantage of the low currents that current clamp can generate 0-40A; by the number of turns for increasing winding current mutual inductor; make point magnetic flux even tens times of the increase at double in current transformer, and then normal relay protection effect test can be carried out in the high current guarantee that the secondary side of current transformer generates 5-10A.In addition present apparatus structure is simple, and test is convenient, can easily carry out the number of turns control, to change size of current, and quickly mutual inductor can be realized around circle by the trigger of pressing binding clip, and the present apparatus can directly export electric current and can display real-time, it is easy to use, it is easy to carry.
Description
Technical field
The utility model relates to current clamps.
Background technique
In traditional reaying protection test, in order to which the current transformer of complete effect switchgear and microcomputer electric protection fill
It sets, usually uses strong current generator, pass through current transformer using the high current that strong current generator generates 1000-1500A,
But strong current generator is especially heavy, and it is not readily portable, so that the outdoor effect work of switchgear is inconvenient.
Utility model content
Technical problem to be solved in the utility model is to realize a kind of conveniently to take electric, easy to use, portable electricity
Stream pincers.
To achieve the goals above, the technical solution adopted in the utility model are as follows: a kind of multiturn current clamp, current clamp include
Binding clip and caliper, the binding clip include adjustable clamp and grips pincers, and the adjustable clamp is fixed on caliper by shaft, the fixation
Clamp on affixed caliper, being equipped between the shaft and caliper makes adjustable clamp be pressed together on the torsional spring in grips pincers, the grips pincers and
The combination end face of adjustable clamp is the needle-like end face matched and hole type end side, and the needle-like end face and each group of hole type end side plug together
Needle and hole electrical connection, coil is fixed with inside the binding clip, each conducting wire of the coil passes through needle-like end face
The conductor structure for the conjunction that can break is constituted with the needle of each group of electrical connection of hole type end side and hole, be equipped in the caliper driving switch and
Electric current display module, the driving switch are equipped with multiple input terminals, and the input terminal of each driving switch passes through a construction of switch
The output end of driving switch is connected, the output end of the driving switch connects the output end of electric current display module, the coil
Beginning connects the input terminal of electric current display module, and the end of the coil and the coil tap at coil difference the number of turns connect respectively
Connect an input terminal of driving switch.
Binding clip trigger is connected in the shaft, the binding clip trigger extends binding clip, and caliper is equipped with and pulls for binding clip
The movable slot of machine.
The electric current display module is equipped with display screen and galvanometer, and the galvanometer is connected on the input of electric current display module
Between end and output end, galvanometer output current values signal to the display screen is shown.
The caliper is equipped with the jack for connecting relay-protection tester, and one of jack connection electric current shows mould
The input terminal of block, another jack connect the output end of electric current display module.
The driving switch is rotary switch, and the knob of the rotary switch is fixed on caliper surface.
The driving switch is set there are four input terminal, and the coil is equipped with 30 circles, wherein coil end, 20 circle outlet of coil
Circle tap, 10 circle of coil goes out coil tap, 5 circle of coil goes out the input terminal that coil tap is separately connected driving switch.
The utility model has the advantage of the low currents that current clamp can generate 0-40A, by increasing winding current mutual inductance
The number of turns of device makes point magnetic flux even tens times of the increase at double in current transformer, and then in the secondary of current transformer
The high current guarantee that side generates 5-10A can carry out normal relay protection effect test.In addition present apparatus structure is simple, test
It is convenient, the number of turns control can be easily carried out, to change size of current, and can be quickly right by the trigger of pressing binding clip
Mutual inductor is realized around circle, and the present apparatus can directly export electric current and can display real-time, easy to use, easy to carry.
Detailed description of the invention
Below to width attached drawing every in the utility model specification expression content and figure in label be briefly described:
Fig. 1 is schematic diagram inside multiturn current clamp；
Fig. 2 is multiturn current clamp outside schematic diagram；
Fig. 3 is current clamp use state diagram；
Fig. 4 is the sectional view of needle end or nose end；
Label in above-mentioned figure is equal are as follows: 1, adjustable clamp；2, grips pincers；3, jointing end face；4, coil tap；5, binding clip is pulled
Machine；6, driving switch；7, electric current display module.
Specific embodiment
As shown in Figure 1, 2, multiturn current clamp includes binding clip and caliper, and caliper is shell structure, and binding clip is fixed on caliper one
End, wherein binding clip includes adjustable clamp 1 and grips pincers 2, and adjustable clamp 1 is fixed on caliper by shaft, the affixed caliper of grips pincers 2
On, the outer end of adjustable clamp 1 and grips pincers 2, which is in contact, constitutes jointing end face 3, and being equipped between shaft and caliper presses adjustable clamp 1
Torsional spring in grips pincers 2 can then make the end of adjustable clamp 1 and grips pincers 2 contact or separate as needed.Divide for convenience
Binding clip is closed, binding clip trigger 5 is connected in shaft, binding clip trigger 5 extends binding clip, and caliper is equipped with for 5 activity of binding clip trigger
Slot can separate adjustable clamp 1 and grips pincers 2 when moving binding clip trigger 5, can 1 He of adjustable clamp when unclamping binding clip trigger 5
Grips pincers 2 are closed automatically due to the elastic force of torsional spring.
The combination end face of grips pincers 2 and adjustable clamp 1 is the needle-like end face matched and hole type end side, i.e. adjustable clamp 1 and solid
Surely the jointing end face 3 of pincers 2, one of them is needle-like end face, the acicular texture entirely protruded one by one, and another is pass
End face, the entirely hole for acicular texture insertion.As shown in figure 4, each group of needle plugged together in needle-like end face and hole type end side and hole
Electrical connection, and between adjacent needle and hole it is insulation.It is hollow structure inside binding clip, inner wrap has coil, canoe
As shown in Fig. 2, each conducting wire of coil is truncated at jointing end face 3, it is connected on the needle and hole of electrical connection, then coil
Each conducting wire pass through needle-like end face and hole type end side each group of electrical connection needle and hole constitute the conducting wire knot of conjunction of can breaking
Structure.
Driving switch 6 and electric current display module 7 are equipped in caliper, driving switch 6 is equipped with multiple input terminals, and each gear is opened
The input terminal for closing 6 passes through the output end that a construction of switch connects driving switch 6, and the output end connection electric current of driving switch 6 is aobvious
Show the output end of module 7, the input terminal of the beginning connection electric current display module 7 of coil, the end of coil and coil difference circle
Coil tap 4 at number is separately connected an input terminal of driving switch 6, can according to need control driving switch 6 in this way, adjusts
Section is connected in series to the coil turn of electric current display module 7.
If driving switch 6 selects rotary switch, then the knob of rotary switch is fixed on caliper surface, often rotates to a shelves
Position, then driving switch 6 a construction of switch closed loop, and other constructions of switch are breaking.Driving switch 6 is set there are four input terminal,
Then 30 circles can be set in coil, and wherein coil end (at 30 circles), 20 circle of coil go out coil tap 4,10 circle of coil goes out coil pumping
First 4,5 circle of coil goes out the input terminal that coil tap 4 is separately connected driving switch 6.
Electric current display module 7 is equipped with display screen and galvanometer, and galvanometer is connected on the input terminal of electric current display module 7 and defeated
Between outlet, user acquires the size of current of current series connected coil portions, and galvanometer exports current values signal to showing screen display
Show, the current value for real-time display acquisition.
In order to facilitate cooperation relay-protection tester work, caliper is equipped with for connecting inserting for relay-protection tester
Hole, the input terminal of one of jack connection electric current display module 7, another jack connect the output end of electric current display module 7.
As shown in figure 3, can be directly connected to relay-protection tester carries out test job, and the number of turns of regulating winding as needed.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the utility model implements not by above-mentioned
The limitation of mode, as long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out, or not
It is improved the conception and technical scheme of the invention are directly applied to other occasions, the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of multiturn current clamp, current clamp include binding clip and caliper, it is characterised in that: the binding clip includes adjustable clamp and fixation
Pincers, the adjustable clamp are fixed on caliper by shaft, on the affixed caliper of grips pincers, are equipped between the shaft and caliper
So that adjustable clamp is pressed together on the torsional spring in grips pincers, the combination end face of the grips pincers and adjustable clamp be the needle-like end face matched and
Hole type end side, each group of needle plugged together in the needle-like end face and hole type end side and hole electrical connection, it is fixed inside the binding clip
There is coil, each conducting wire of the coil passes through the needle of each group of electrical connection of needle-like end face and hole type end side and hole is constituted
Can break the conductor structure of conjunction, and driving switch and electric current display module are equipped in the caliper, and the driving switch is equipped with multiple defeated
Enter end, the input terminal of each driving switch connects the output end of driving switch by a construction of switch, the driving switch
Output end connects the output end of electric current display module, the input terminal of the beginning connection electric current display module of the coil, the line
The end of circle and the coil tap at coil difference the number of turns are separately connected an input terminal of driving switch.
2. multiturn current clamp according to claim 1, it is characterised in that: binding clip trigger is connected in the shaft, it is described
Binding clip trigger extends binding clip, and caliper is equipped with for the movable slot of binding clip trigger.
3. multiturn current clamp according to claim 1 or 2, it is characterised in that: the electric current display module is equipped with display screen
And galvanometer, the galvanometer are connected between the input terminal and output end of electric current display module, the galvanometer exports electric current
Numerical signal to display screen is shown.
4. multiturn current clamp according to claim 3, it is characterised in that: the caliper is equipped with for connecting relay protection
The jack of tester, the input terminal of one of jack connection electric current display module, another jack connect electric current display module
Output end.
5. multiturn current clamp according to claim 4, it is characterised in that: the driving switch is rotary switch, the rotation
The knob of button switch is fixed on caliper surface.
6. multiturn current clamp according to claim 1 or 5, it is characterised in that: the driving switch is set there are four input terminal,
The coil is equipped with 30 circles, and wherein coil end, 20 circle of coil go out coil tap, 10 circle of coil goes out coil tap, 5 circle of coil goes out
Coil tap is separately connected an input terminal of driving switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784748.9U CN208188192U (en) | 2018-05-24 | 2018-05-24 | A kind of multiturn current clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784748.9U CN208188192U (en) | 2018-05-24 | 2018-05-24 | A kind of multiturn current clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208188192U true CN208188192U (en) | 2018-12-04 |
Family
ID=64427650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820784748.9U Active CN208188192U (en) | 2018-05-24 | 2018-05-24 | A kind of multiturn current clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208188192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341363A (en) * | 2021-05-10 | 2021-09-03 | 国网浙江省电力有限公司金华供电公司 | Mutual inductor turn number conversion device |
-
2018
- 2018-05-24 CN CN201820784748.9U patent/CN208188192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341363A (en) * | 2021-05-10 | 2021-09-03 | 国网浙江省电力有限公司金华供电公司 | Mutual inductor turn number conversion device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209513901U (en) | Pincerlike meter a kind of scalable and with wireless transmission function | |
| CN205193139U (en) | Adjustable clip on ammeter remote operation pole | |
| CN208188192U (en) | A kind of multiturn current clamp | |
| CN112014603A (en) | Self-contained high-voltage test short-circuit wire device and using method thereof | |
| CN207181527U (en) | A kind of DCR of Transformer and no-load voltage ratio test synthesis instrument | |
| CN109193306A (en) | A kind of electric field wiring wire connection device | |
| CN104361984B (en) | The constant flux voltage regulation structure of supertension self coupling power transformer | |
| CN206348367U (en) | A kind of partial discharge of transformer tests insulation joint device | |
| CN208622662U (en) | A kind of Multifunction electricity leakage trip apparatus | |
| CN203909209U (en) | High-low voltage current voltage transformer polarity tester | |
| CN210051835U (en) | Power frequency transformer power testing device | |
| CN207248967U (en) | Device and electric appliance for voltage detecting | |
| CN207504793U (en) | Generation control circuit and electricity generation system | |
| CN110907819A (en) | Device and method for testing operating characteristics of on-load tap changer of triangular wiring transformer | |
| CN206947128U (en) | The high pressure Y connection pin configurations of dimensional coiled | |
| CN209674659U (en) | A kind of Physical Experiment transformer | |
| CN205749821U (en) | There is the dynamic signal analyzer of display generating unit excitation waveform | |
| CN220774110U (en) | Insulation structure | |
| CN201859163U (en) | Electric quantity register | |
| CN211428007U (en) | Low-voltage y-connection lead structure of triangular three-dimensional dry-type transformer | |
| CN104569732B (en) | Winding two ends automatic testing equipment | |
| CN216117778U (en) | Telescopic pincerlike current measuring device | |
| CN202210465U (en) | Collecting current transformer | |
| CN118280697B (en) | Broadband standard current transformer equipment | |
| CN107394800A (en) | A kind of three-phase power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |