CN207148230U - Wireless high-low pressure ratio tester for current transformer - Google Patents
Wireless high-low pressure ratio tester for current transformer Download PDFInfo
- Publication number
- CN207148230U CN207148230U CN201720880120.4U CN201720880120U CN207148230U CN 207148230 U CN207148230 U CN 207148230U CN 201720880120 U CN201720880120 U CN 201720880120U CN 207148230 U CN207148230 U CN 207148230U
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- CN
- China
- Prior art keywords
- current transformer
- low pressure
- clamp arm
- binding clip
- current
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses wireless high-low pressure ratio tester for current transformer, including High-pressure measurement Instrument and low pressure detector, High-pressure measurement Instrument, low pressure detector are current meter body and the binding clip for including being independently arranged, binding clip has multiple, each binding clip has that internal diameter is different, the current transformer of annulus jaw shape, each binding clip is equipped with the plug joint of same specification, and electric current body upper end is provided with the socket that connection can be plugged with above-mentioned plug joint；High-pressure measurement Instrument is used for the primary side for being tested current transformer, low pressure detector is connected to the secondary side of tested current transformer, High-pressure measurement Instrument is connected with the extension set with Intelligent current signal detection and process circuit, low pressure detector is connected with the main frame with Intelligent current signal detection and process circuit, is communicated between main frame and extension set by wireless signal.The utility model purpose is to provide a kind of wireless high-low pressure ratio tester for current transformer that is easy to operate, quick, safe, being adapted to Multiple Type electric wire.
Description
Technical field
Current measuring device is the utility model is related to, more particularly to a kind of wireless high-low pressure current transformer ratio test
Instrument.
Background technology
The measuring accuracy of current transformer directly affects the fair billing issues of power system, its importance do not say and
Analogy.Due to reasons such as transformer aging or artificial destructions, the change of current transformer is likely to occur change in use,
Current measurement is caused to be forbidden, therefore, it is necessary to carry out periodic detection to current transformer.
Due to current transformer can not direct live line measurement, traditional measuring method removes Current Mutual Inductance after can only being powered off
Device carries out laboratory measurement, and there is time-consuming, effort, measurement period is long, influences user's normal electricity consumption.
Therefore, a kind of easy to operate, quick, safe, high ratio tester for current transformer right and wrong of measurement accuracy are designed
It is often necessary.
Utility model content
The utility model purpose is to provide a kind of wireless height that is easy to operate, quick, safe, being adapted to Multiple Type electric wire
Voltage current transformer no-load voltage ratio tester.
The technical scheme in the invention for solving the technical problem is：
Wireless high-low pressure ratio tester for current transformer, it is characterised in that：Including High-pressure measurement Instrument and low pressure detector,
The High-pressure measurement Instrument, low pressure detector are that have multiple, each pincers including the current meter body being independently arranged and binding clip, binding clip
Head has that internal diameter is different, the current transformer of annulus jaw shape, and each binding clip is equipped with the plug joint of same specification,
Electric current body upper end is provided with the socket that connection can be plugged with above-mentioned plug joint；
The High-pressure measurement Instrument is used for the primary side for being tested current transformer, and it is mutual that the low pressure detector is connected to tested electric current
The secondary side of sensor, High-pressure measurement Instrument are connected with the extension set with Intelligent current signal detection and process circuit, and low pressure detector connects
The main frame with Intelligent current signal detection and process circuit is connected to, is communicated between main frame and extension set by wireless signal.
Wireless high-low pressure ratio tester for current transformer as described above, it is characterised in that：At the top of the current meter body
Provided with square plug receptacle, the middle part of socket is provided with band female plug, and band female plug is provided with two jacks, the band female plug
It is surrounded by plug recesses；The binding clip bottom is provided with square plug joint, is provided with the middle part of square plug joint and is inserted with above-mentioned band
The center counterbore of hole connector matching, center counterbore is interior to be provided with the conductive insert being connected with the binding clip coil, in square plug
When joint coordinates with the plug of above-mentioned plug recesses, conductive insert corresponds with the above-mentioned jack with female plug to be coordinated.
Wireless high-low pressure ratio tester for current transformer as described above, it is characterised in that：Two are provided with the binding clip
Individual tong arm, two tong arms are respectively left clamp arm and right clamp arm, and current transformer is separately installed with left clamp arm and right clamp arm；Left pincers
Arm, right clamp arm lower end and binding clip are rotatablely connected by a hinge, and back-moving spring is provided between left clamp arm and right clamp arm and binding clip,
Left clamp arm head is mutually drawn close to center under back-moving spring tension force effect with the head of right clamp arm and shape mutually together with top pressure
Into the current transformer of annulus jaw shape；
It is respectively equipped with smooth slide guide surface at the top of the left clamp arm and right clamp arm, the slide guide table on left clamp arm, right clamp arm
Face forms one and opened for the tong arm of wire top pressure two to enter the pilot structure in annulus jaw shape current transformer together.
Wireless high-low pressure ratio tester for current transformer as described above, it is characterised in that：The binding clip is provided with U-typed
Support, U-typed rack inner wall are the annular supporting construction being arranged concentrically with the jaw.
Wireless high-low pressure ratio tester for current transformer as described above, it is characterised in that：The left clamp arm and right clamp arm
Provided with the concaveconvex structure that can be engaged.
Wireless high-low pressure ratio tester for current transformer as described above, it is characterised in that：The bottom of the current meter body
Portion is provided with threaded connector, and connector is threaded with insulating bar, and insulating bar is Telescopic rod structure.
Wireless high-low pressure ratio tester for current transformer as described above, it is characterised in that：Set in the current meter body
Indicator lamp is equipped with, indicator lamp is arranged in series with the current mutual inductor coil on the left clamp arm and right clamp arm.
Wireless high-low pressure ratio tester for current transformer as described above, it is characterised in that：The intelligence electricity of the main frame
Signal detection is flowed with process circuit by main frame clamp transformer, analog-digital converter, microprocessor, keyboard, liquid crystal display and nothing
Line communication module forms；Main frame clamp transformer is connected to the secondary survey of tested current transformer, and its output signal connects analog-to-digital conversion
The signal input part of device, analog-digital converter are connected with microprocessor, and microprocessor will pass through liquid crystal after the signal transacting of reception
Show that device is shown, and launched by wireless communication module；The keyboard is connected with microprocessor, and keyboard is used to input control letter
Number.
Wireless high-low pressure ratio tester for current transformer as described above, it is characterised in that：The intelligence electricity of the extension set
Signal detection is flowed with process circuit by extension set clamp transformer, analog-digital converter, microprocessor, keyboard, liquid crystal display and nothing
Line communication module forms；Extension set clamp transformer is connected to the once survey of tested current transformer, and its output signal connects analog-to-digital conversion
The signal input part of device, analog-digital converter are connected with microprocessor, and microprocessor will pass through liquid crystal after the signal transacting of reception
Show that device is shown, and launched by wireless communication module；The keyboard is connected with microprocessor, and keyboard is used to input control letter
Number.
The utility model has following advantages：
1st, during utility model works, wireless control signal is sent from main frame to extension set, makes extension set and main frame while passes through
Respective transformer measures to the primary side current and secondary side current for being tested current transformer respectively, after measurement terminates,
The current data of measurement is transmitted to main frame by extension set by wireless signal, and primary side current and secondary side current data are entered by main frame
Row processing, calculate the no-load voltage ratio of current transformer.During using the application, the current transformer in circuit does not have to dismounting, Bu Huiying
The normal operation of power network is rung, extension set can be suspended on high-voltage line with insulating bar, and operator does not have to close to high-voltage line, in the absence of peace
Full hidden danger, operator only need to input sense command from host keyboard, so that it may read testing result from the display of main frame.This reality
It is convenient, fast, safe with novel operating.
2nd, binding clip has multiple, and each binding clip has that internal diameter is different, the current transformer of annulus jaw shape, each pincers
Head is equipped with the plug joint of same specification, and electric current body upper end is provided with can plug the socket connected with above-mentioned plug joint, and one
Individual current meter body can different bore binding clips replacing, it is possible to achieve single current body detects the function of multi-signal electric wire,
The high-tension bus-bar of different model is convenient for measuring, also mitigates the labor intensity of staff.
3rd, in the application, smooth slide guide surface is respectively equipped with the top of left clamp arm and right clamp arm, on left clamp arm, right clamp arm
Slide guide surface forms one and opened for the tong arm of wire top pressure two to enter the pilot structure in annulus jaw shape current transformer together,
Wire is facilitated voluntarily to be pressed into and draw out, and slide guide surface causes high-tension bus-bar to enter jaw along smooth surface, avoids electricity
The damage of line.
4th, extension set clamp transformer can coordinate a variety of measuring instruments to measure, such as can connect phase detection analysis instrument, work
Industry control device, data logger, oscillograph, harmonic analysis instrument, Electric Energy Analytic Instrument, high accuracy number multimeter etc., tool
Have Shi with the mono- ﹑ of Jian it is easy to carry the characteristics of.The utility model is easy to be widely used in Bian electricity Zhan ﹑ and generates electricity Chang ﹑ industrial and mining enterprises and inspection
Ce Zhan ﹑ electrical maintenances department carries out current detecting and field Electrician Operation etc..
5th, insulating bar has the characteristics that the high insulation of the Fang Chao ﹑ Wen of Nai Gao ﹑ Kang Chong Ji ﹑ Kang Wan ﹑, and insulating bar is flexible
Bar structure is easy to carry.
Brief description of the drawings
Fig. 1 is the structural representation that current meter body and binding clip disassemble in the utility model.
Fig. 2 is socket structure schematic diagram in the utility model embodiment.
Fig. 3 is that joint design schematic diagram is plugged in the utility model embodiment.
Fig. 4 is that Tthe utility model system connects block diagram.
Embodiment
The utility model is further described with reference to embodiment：
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, wireless high-low pressure ratio tester for current transformer, including High-pressure measurement Instrument
100 and low pressure detector 101, High-pressure measurement Instrument 100 is used for the primary side for being tested current transformer, and low pressure detector 101 is connected to
The secondary side of tested current transformer, High-pressure measurement Instrument 100 are connected with the extension set with Intelligent current signal detection and process circuit
102, low pressure detector 101 is connected with the main frame 103 with Intelligent current signal detection and process circuit, main frame 103 and extension set 101
Between communicated by wireless signal.
As shown in figure 1, in the application, High-pressure measurement Instrument 100, low pressure detector 101 are the electric currents for including being independently arranged
Table body 1 and binding clip 2, binding clip 2 have multiple, and each binding clip 2 has that internal diameter is different, the Current Mutual Inductance of annulus jaw shape
Device, each binding clip 2 are equipped with the plug joint 7 of same specification, and the upper end of electric current body 1, which is provided with, to be connected with the plug plug of joint 7
Socket.Concrete structure is：The top of current meter body 1 is provided with square plug receptacle 3, and the middle part of socket 3 is provided with band female plug 4, band
Female plug 4 is provided with two jacks 5, and band female plug 4 is surrounded by plug recesses 6；The bottom of binding clip 2 is provided with square plug and connect
First 7, the square middle part of plug joint 7 is provided with the center counterbore 8 matched with female plug 4, is provided with and binding clip 2 in center counterbore 8
The conductive insert 9 of upper current transformer connection, when square plug joint 7 coordinates with the plug of plug recesses 6, conductive insert 9 with
Correspond and coordinate with the jack 5 on female plug 4.
Wherein, two tong arms are installed, two tong arms are respectively left clamp arm 11 and right clamp arm 12, left clamp arm 11 on binding clip 2
Current transformer is separately installed with right clamp arm 12；Left clamp arm 11, the lower end of right clamp arm 12 and binding clip 2 are rotated by a hinge to be connected
Connect, be provided with back-moving spring between left clamp arm 11 and right clamp arm 12 and binding clip 2, the head of the head of left clamp arm 11 and right clamp arm 12 exists
Mutually drawn close to center under back-moving spring tension force effect and current transformer that mutually top pressure forms annulus jaw shape together；It is left
Tong arm 11 and the top of right clamp arm 12 are respectively equipped with smooth slide guide surface 13, the slide guide surface 13 on left clamp arm 11, right clamp arm 12
One is formed together to open for the tong arm of wire top pressure two to enter the pilot structure in annulus jaw shape current transformer.
Further improve：Binding clip 2 is provided with U-typed support 10, and the inwall of U-typed support 10 is arranged concentrically with jaw 14
Annular supporting construction.
Further improve：Left clamp arm 11 and right clamp arm 12 are provided with the concaveconvex structure that can be engaged.
Further improve：The bottom of current meter body 1 is provided with threaded connector 15, and connector 15 is threaded with insulation behaviour
Make bar, insulating bar is Telescopic rod structure.
Further improve：Be provided with indicator lamp 16 in current meter body 1, indicator lamp 16 with left clamp arm 11 and right clamp arm 12
Current mutual inductor coil be arranged in series.
In the application, the Intelligent current signal detection and process circuit of main frame 103 are by the clamp transformer of main frame 103, modulus
Converter, microprocessor, keyboard, liquid crystal display and wireless communication module composition；The clamp transformer of main frame 103 is connected to tested electricity
The secondary survey of current transformer, its output signal connect the signal input part of analog-digital converter, and analog-digital converter is connected with microprocessor,
Microprocessor will be shown after the signal transacting of reception by liquid crystal display, and be launched by wireless communication module；Keyboard with
Microprocessor connects, and keyboard is used to input control signal.
In the application, the Intelligent current signal detection and process circuit of extension set 102 are by the clamp transformer of extension set 102, modulus
Converter, microprocessor, keyboard, liquid crystal display and wireless communication module composition；The clamp transformer of extension set 102 is connected to tested electricity
The once survey of current transformer, its output signal connect the signal input part of analog-digital converter, and analog-digital converter is connected with microprocessor,
Microprocessor will be shown after the signal transacting of reception by liquid crystal display, and be launched by wireless communication module；Keyboard with
Microprocessor connects, and keyboard is used to input control signal.
Preceding to push away the utility model during work, the slide guide surface 13 of the outer surface of binding clip 2 guides tested wire, struts binding clip 2,
Back-moving spring is compressed；Pushed away before further, tested wire is inserted among jaw 14, is clamped under the restoring force effect of back-moving spring
Mouth 14 closes, and now can be carried out measuring operation.
When being measured, firmly post-tensioning the utility model, electric wire upwards strut binding clip 2, and electric wire departs from from jaw 14,
The restoring force effect lower jaw 14 of back-moving spring closes again, and such the utility model is in the electric current carried out for each phase electric wire
In measurement process, electric wire is to be pressed slotting, drawing mode to enter, exit jaw 14, simple in construction, easy to operate.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc., the utility model should be included in
Within the scope of protection.
Claims (9)
1. wireless high-low pressure ratio tester for current transformer, it is characterised in that：Including High-pressure measurement Instrument and low pressure detector, institute
State High-pressure measurement Instrument, low pressure detector is that have multiple, each binding clip including the current meter body being independently arranged and binding clip, binding clip
With internal diameter is different, the current transformer of annulus jaw shape, each binding clip is equipped with the plug joint of same specification, electricity
Flow body upper end and be provided with the socket that connection can be plugged with above-mentioned plug joint；
The High-pressure measurement Instrument is used for the primary side for being tested current transformer, and the low pressure detector is connected to tested current transformer
Secondary side, High-pressure measurement Instrument is connected with the extension set with Intelligent current signal detection and process circuit, and low pressure detector is connected with
Main frame with Intelligent current signal detection and process circuit, is communicated between main frame and extension set by wireless signal.
2. wireless high-low pressure ratio tester for current transformer according to claim 1, it is characterised in that：The ammeter sheet
Square plug receptacle is provided with the top of body, the middle part of socket is provided with band female plug, and band female plug is provided with two jacks, and the band is inserted
Hole connector is surrounded by plug recesses；The binding clip bottom is provided with square plug joint, be provided with the middle part of square plug joint with it is upper
The center counterbore with female plug matching is stated, the conductive insert being connected with the binding clip coil is provided with the counterbore of center, in side
When shape plugs joint with the plug cooperation of above-mentioned plug recesses, conductive insert corresponds with the above-mentioned jack with female plug matches somebody with somebody
Close.
3. wireless high-low pressure ratio tester for current transformer according to claim 1, it is characterised in that：Pacify on the binding clip
Equipped with two tong arms, two tong arms are respectively left clamp arm and right clamp arm, and Current Mutual Inductance is separately installed with left clamp arm and right clamp arm
Device；Left clamp arm, right clamp arm lower end and binding clip are rotatablely connected by a hinge, are provided between left clamp arm and right clamp arm and binding clip multiple
The head of position spring, left clamp arm head and right clamp arm is mutually drawn close under back-moving spring tension force effect to center and mutually top pressure exists
The current transformer of annulus jaw shape is formed together；
It is respectively equipped with smooth slide guide surface at the top of the left clamp arm and right clamp arm, the slide guide surface one on left clamp arm, right clamp arm
Rise and form one for the tong arm opening of wire top pressure two to enter the pilot structure in annulus jaw shape current transformer.
4. wireless high-low pressure ratio tester for current transformer according to claim 3, it is characterised in that：Set on the binding clip
There is U-typed support, U-typed rack inner wall is the annular supporting construction being arranged concentrically with the jaw.
5. wireless high-low pressure ratio tester for current transformer according to claim 3, it is characterised in that：The left clamp arm and
Right clamp arm is provided with the concaveconvex structure that can be engaged.
6. wireless high-low pressure ratio tester for current transformer according to claim 1, it is characterised in that：The ammeter sheet
The bottom of body is provided with threaded connector, and connector is threaded with insulating bar, and insulating bar is Telescopic rod structure.
7. wireless high-low pressure ratio tester for current transformer according to claim 3, it is characterised in that：The ammeter sheet
Indicator lamp is provided with body, indicator lamp is arranged in series with the current mutual inductor coil on the left clamp arm and right clamp arm.
8. wireless high-low pressure ratio tester for current transformer according to claim 1, it is characterised in that：The main frame
Intelligent current signal detection is with process circuit by main frame clamp transformer, analog-digital converter, microprocessor, keyboard, liquid crystal display
Device and wireless communication module composition；Main frame clamp transformer is connected to the secondary survey of tested current transformer, and its output signal connects mould
The signal input part of number converter, analog-digital converter are connected with microprocessor, and microprocessor will pass through after the signal transacting of reception
Liquid crystal display is shown, and is launched by wireless communication module；The keyboard is connected with microprocessor, and keyboard, which is used to input, to be controlled
Signal processed.
9. wireless high-low pressure ratio tester for current transformer according to claim 1, it is characterised in that：The extension set
Intelligent current signal detection is with process circuit by extension set clamp transformer, analog-digital converter, microprocessor, keyboard, liquid crystal display
Device and wireless communication module composition；Extension set clamp transformer is connected to the once survey of tested current transformer, and its output signal connects mould
The signal input part of number converter, analog-digital converter are connected with microprocessor, and microprocessor will pass through after the signal transacting of reception
Liquid crystal display is shown, and is launched by wireless communication module；The keyboard is connected with microprocessor, and keyboard, which is used to input, to be controlled
Signal processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720880120.4U CN207148230U (en) | 2017-07-17 | 2017-07-17 | Wireless high-low pressure ratio tester for current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720880120.4U CN207148230U (en) | 2017-07-17 | 2017-07-17 | Wireless high-low pressure ratio tester for current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207148230U true CN207148230U (en) | 2018-03-27 |
Family
ID=61676067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720880120.4U Withdrawn - After Issue CN207148230U (en) | 2017-07-17 | 2017-07-17 | Wireless high-low pressure ratio tester for current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207148230U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507492A (en) * | 2018-12-19 | 2019-03-22 | 国网浙江省电力有限公司岱山县供电公司 | Portable 10kV distribution transforming gear charges capacity checking device |
| CN109814060A (en) * | 2019-01-03 | 2019-05-28 | 广西电网有限责任公司贵港供电局 | The verification system and its method of more high-tension current inductors |
| CN111398696A (en) * | 2019-12-27 | 2020-07-10 | 国网浙江省电力有限公司金华供电公司 | On-spot quick tester of current transformer transformation ratio |
| CN113933558A (en) * | 2021-10-13 | 2022-01-14 | 江苏斯菲尔电气股份有限公司 | Instrument capable of automatically identifying specification of current transformer and setting transformation ratio |
| CN114137289A (en) * | 2021-11-25 | 2022-03-04 | 广东电网有限责任公司广州供电局 | Safety alarm device |
-
2017
- 2017-07-17 CN CN201720880120.4U patent/CN207148230U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507492A (en) * | 2018-12-19 | 2019-03-22 | 国网浙江省电力有限公司岱山县供电公司 | Portable 10kV distribution transforming gear charges capacity checking device |
| CN109814060A (en) * | 2019-01-03 | 2019-05-28 | 广西电网有限责任公司贵港供电局 | The verification system and its method of more high-tension current inductors |
| CN111398696A (en) * | 2019-12-27 | 2020-07-10 | 国网浙江省电力有限公司金华供电公司 | On-spot quick tester of current transformer transformation ratio |
| CN113933558A (en) * | 2021-10-13 | 2022-01-14 | 江苏斯菲尔电气股份有限公司 | Instrument capable of automatically identifying specification of current transformer and setting transformation ratio |
| CN114137289A (en) * | 2021-11-25 | 2022-03-04 | 广东电网有限责任公司广州供电局 | Safety alarm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200814 Address after: 430000 Guanggu, 303 Guanggu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province. Room 1803-1805, Building 2-07, Core Center Patentee after: WUHAN GLORY ROAD INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 431700 Huaguang Road No. 18, East Lake Development Zone, East Lake Development Zone, Wuhan City, Hubei Patentee before: WUHAN GLORY ROAD OPTIC-ELECTRIC TRANSFORMER Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180327 Effective date of abandoning: 20220615 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180327 Effective date of abandoning: 20220615 |