CN203909265U - Insulation, voltage-resistant and error calibrating device for metering low-voltage current transformer - Google Patents
Insulation, voltage-resistant and error calibrating device for metering low-voltage current transformer Download PDFInfo
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- CN203909265U CN203909265U CN201420319518.7U CN201420319518U CN203909265U CN 203909265 U CN203909265 U CN 203909265U CN 201420319518 U CN201420319518 U CN 201420319518U CN 203909265 U CN203909265 U CN 203909265U
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Abstract
The utility model relates to an insulation, voltage-resistant and error calibrating device for a metering low-voltage current transformer. The device comprises a general basic platform (1), a holder grounding module (2), a secondary wiring module (3), a primary guiding clamping module (4) and a cross-core mechanism (5), wherein the cross-core mechanism (5) is arranged on the upper surface of the general basic platform (1), the secondary wiring module (3), is erected at two sides of the cross-core mechanism (5), the holder grounding module (2) is arranged on the secondary wiring module (3), and the primary guiding clamping module (4) is arranged on the upper surface of the general basic platform (1) and beside cross-core mechanism (5). Compared with the prior art, the insulation, voltage-resistant and error calibrating device is flexible and reliable and is simple in structure and high in universality.
Description
Technical field
The utility model relates to detecting current transformer device, especially relates to a kind of metering low-voltage current mutual inductor dielectric voltage withstand and error testing device.
Background technology
The current transformer of applying in electrical network is that the large equal current proportion in a circuit is reduced into the required little electric current in double measurement loop, mainly realizes the electrical isolation at high-low pressure two ends and the function that equal proportion is measured.Current transformer for metering is for one of main measurement instrument of electric energy trade settlement, belongs to state compulsion calibrating specification.Each current transformer for metering all needs could normal use after qualified by calibrating and periodic calibration first.
On existing detecting current transformer streamline, in general be all the pick-up unit that each detection station arranges a Corresponding matching, therefore need to have the different equipment of many covers to examine and determine because mutual inductor test item is numerous, manually connect to take out stitches and require a great deal of time carrying out these whens calibrating, become the Main Bottleneck that improves ct calibrating efficiency.
Summary of the invention
The purpose of this utility model is exactly metering low-voltage current mutual inductor dielectric voltage withstand and the error testing device that a kind of simple in structure, flexibility and reliability, highly versatile are provided in order to overcome the defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions: a kind of metering low-voltage current mutual inductor dielectric voltage withstand and error testing device, it is characterized in that, this device comprises general basic platform, hold up earthing module, secondary connection module, clamp module once leads, punching mechanism, described punching mechanism is arranged on general basic platform upper surface, described secondary connection module rack is located at punching mechanism both sides, described picking-up earthing module is arranged in secondary connection module, described once guiding clamp module is arranged on general basic platform upper surface and is positioned at by punching mechanism.
Described general basic platform comprises rectangle support, the electric Electrical Measuring Instrument installing plate arranging in this rectangle support, the workbench that described rectangle support top arranges.
Described picking-up earthing module comprises the trough of belt side plate of top board, base plate, connection top and base plate both sides, the lifter plate, driver and the earthing rod that in the middle of top board and base plate, arrange.
Described secondary connection module comprises the bracing frame being erected on general basic platform, is arranged on the scalable screw rod on this bracing frame, is arranged on mounting plate and bottom plate on this scalable screw rod, is arranged on the driver between mounting plate and bottom plate; Described bottom plate lower surface is provided with multiple wiring jaws.
Described punching mechanism comprise be arranged on general basic platform upper surface middle part guide rail, be arranged on the other punching copper bar of guide rail, this punching copper bar connects synchronous motor by Timing Belt.
The described clamp module that once leads comprises and is arranged on the other clamping support of punching copper bar and clamps base, and clamping support can rotate around clamping base, and the angle of rotation is 0～30 degree, plays the effect of unclamping and depressing clamping of lifting.
Electric and the electric probe device in the general-purpose platform inside of dielectric voltage withstand detection station and error testing station reasonable Arrangement.The electric PLC controller that is connected with electric probe device.
Compared with prior art, the utlity model has following advantage:
1. dielectric voltage withstand station and error testing station all adopt " general basic platform " module, and outward appearance is more neat, attractive in appearance, are convenient to produce, assemble, exchange and transport.
2. structure adopts modular design, makes to install, debugs more convenient.Each mechanical part on station is carried out to modularization, as held up earthing module, secondary connection module, clamp module etc. once leads.Make like this each several part be tending towards standardization, be also convenient to assembling and parts replacement simultaneously.
3. support punching mechanism by " universal reference platform " module, select Timing Belt to drive punching copper bar, make physical construction simpler, compactness.
4. and electric probe device electric in the general-purpose platform inside of dielectric voltage withstand detection station and error testing station reasonable Arrangement.So not only one-piece construction good looking appearance, and comprehensive wiring is regular.
5. verification system adopts the control mode design that distributed I/O and industrial field bus combine, PLC controller is in switch board, each I/O module distribution is on corresponding station, PLC controller is connected by industrial field bus with I/O module, can greatly reduce the connecting line of switch board to corresponding station, thereby improve the reliability of electrical control.
6. owing to adopting distributed control design, realize centralized control, simplified wiring, improved reliability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of metering low-voltage current mutual inductor dielectric voltage withstand and error testing device, this device comprises general basic platform 1, holds up earthing module 2, secondary connection module 3, once lead clamp module 4, punching mechanism 5, described punching mechanism 5 is arranged on general basic platform 1 upper surface, described secondary connection module 3 is erected at punching mechanism 5 both sides, described picking-up earthing module 2 is arranged in secondary connection module 3, and described once guiding clamp module 4 is arranged on general basic platform 1 upper surface and is positioned at punching mechanism 5 other.
Described general basic platform 1 comprises rectangle support, the electric Electrical Measuring Instrument installing plate 11 arranging in this rectangle support, the workbench 12 that described rectangle support top arranges.
Described picking-up earthing module 2 comprises the trough of belt side plate of top board, base plate, connection top and base plate both sides, the lifter plate, driver and the earthing rod that in the middle of top board and base plate, arrange.
Described secondary connection module 3 comprises the bracing frame 31 being erected on general basic platform 1, be arranged on the scalable screw rod 32 on this bracing frame, be arranged on mounting plate 33 and bottom plate 34 on this scalable screw rod 32, be arranged on the driver between mounting plate 33 and bottom plate 34; Described bottom plate 34 lower surfaces are provided with multiple wiring jaws 35, and driver drives bottom plate moves up and down along scalable screw rod 32, thereby each wiring jaw 35 is moved up and down, to detect the wiring position at workpiece top.
Described punching mechanism 5 comprise be arranged on general basic platform 1 upper surface middle part guide rail 51, be arranged on the other punching copper bar 52 of guide rail, this punching copper bar 52 connects synchronous motor by Timing Belt.Punching copper bar 52 is fastened on guide rail 51, and can seesaw along guide rail under the driving of synchronous motor, the described clamp module 4 that once leads comprises the clamping support 41 and the clamping base 42 that are arranged on punching copper bar side, clamping support 41 can rotate around clamping base 42, the angle of rotating is 0～30 degree, plays the effect of unclamping and depressing clamping of lifting.
When workpiece to be detected is transported on guide rail 51, be clamped on punching copper bar 52 by clamping support 41, and adjust its horizontal level by punching copper bar, adjust its lengthwise position by the lifter plate holding up in earthing module 2, and ground connection, detect by the electric Electrical Measuring Instrument being arranged in electric Electrical Measuring Instrument installing plate 11.
Claims (6)
1. a metering low-voltage current mutual inductor dielectric voltage withstand and error testing device, it is characterized in that, this device comprises general basic platform (1), hold up earthing module (2), secondary connection module (3), clamp module (4) once leads, punching mechanism (5), described punching mechanism (5) is arranged on general basic platform (1) upper surface, described secondary connection module (3) is erected at punching mechanism (5) both sides, described picking-up earthing module (2) is arranged in secondary connection module (3), described once guiding clamp module (4) is arranged on general basic platform (1) upper surface and seat punching mechanism (5) is other.
2. a kind of metering low-voltage current mutual inductor dielectric voltage withstand and error testing device according to claim 1, it is characterized in that, described general basic platform (1) comprises rectangle support, the electric Electrical Measuring Instrument installing plate arranging in this rectangle support, the workbench that described rectangle support top arranges.
3. a kind of metering low-voltage current mutual inductor dielectric voltage withstand and error testing device according to claim 1, it is characterized in that, described picking-up earthing module (2) comprises the trough of belt side plate of top board, base plate, connection top and base plate both sides, the lifter plate, driver and the earthing rod that in the middle of top board and base plate, arrange.
4. according to one metering low-voltage current mutual inductor dielectric voltage withstand and error testing device described in claim l, it is characterized in that, described secondary connection module (3) comprises the bracing frame being erected on general basic platform (1), be arranged on the scalable screw rod on this bracing frame, be arranged on mounting plate and bottom plate on this scalable screw rod, be arranged on the driver between mounting plate and bottom plate: described bottom plate lower surface is provided with multiple wiring jaws.
5. according to one metering low-voltage current mutual inductor dielectric voltage withstand and error testing device described in claim l, it is characterized in that, described punching mechanism (5) comprise be arranged on general basic platform (1) upper surface middle part guide rail, be arranged on the other punching copper bar of guide rail, this punching copper bar connects synchronous motor by Timing Belt.
6. one metering low-voltage current mutual inductor dielectric voltage withstand and error testing device according to claim 5, is characterized in that, described once guiding clamp module (4) comprises the clamping support and the clamping base that are arranged on punching copper bar side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319518.7U CN203909265U (en) | 2014-06-16 | 2014-06-16 | Insulation, voltage-resistant and error calibrating device for metering low-voltage current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319518.7U CN203909265U (en) | 2014-06-16 | 2014-06-16 | Insulation, voltage-resistant and error calibrating device for metering low-voltage current transformer |
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| Publication Number | Publication Date |
|---|---|
| CN203909265U true CN203909265U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420319518.7U Active CN203909265U (en) | 2014-06-16 | 2014-06-16 | Insulation, voltage-resistant and error calibrating device for metering low-voltage current transformer |
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| CN (1) | CN203909265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020435A (en) * | 2014-06-16 | 2014-09-03 | 国网上海市电力公司 | Withstand voltage and error calibrating device for metering low-voltage current transformer |
| CN105938187A (en) * | 2016-05-31 | 2016-09-14 | 河北省电力建设调整试验所 | Ultrahigh-voltage current transformer feedthrough test method |
-
2014
- 2014-06-16 CN CN201420319518.7U patent/CN203909265U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020435A (en) * | 2014-06-16 | 2014-09-03 | 国网上海市电力公司 | Withstand voltage and error calibrating device for metering low-voltage current transformer |
| CN104020435B (en) * | 2014-06-16 | 2017-04-05 | 国网上海市电力公司 | A kind of metering low-voltage current mutual inductor pressure and error verification device of insulation |
| CN105938187A (en) * | 2016-05-31 | 2016-09-14 | 河北省电力建设调整试验所 | Ultrahigh-voltage current transformer feedthrough test method |
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