CN104020435A - Withstand voltage and error calibrating device for metering low-voltage current transformer - Google Patents
Withstand voltage and error calibrating device for metering low-voltage current transformer Download PDFInfo
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- CN104020435A CN104020435A CN201410267376.9A CN201410267376A CN104020435A CN 104020435 A CN104020435 A CN 104020435A CN 201410267376 A CN201410267376 A CN 201410267376A CN 104020435 A CN104020435 A CN 104020435A
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Abstract
The invention relates to a withstand voltage and error calibrating device for a metering low-voltage current transformer. The withstand voltage and error calibrating device for the metering low-voltage current transformer comprises a universal foundation platform (1), a supporting grounding module (2), a secondary wiring module (3), a primary guide clamping module (4) and a center penetrating mechanism (5), wherein the center penetrating mechanism (5) is arranged on the upper surface of the universal foundation platform (1), the secondary wiring module (3) is erected on the two sides of the center penetrating mechanism (5), the supporting grounding module (2) is arranged on the secondary wiring module (3), and the primary guide clamping module (4) is arranged on the upper surface of the universal foundation platform (1) and located beside the center penetrating mechanism (5). Compared with the prior art, the withstand voltage and error calibrating device for the metering low-voltage current transformer has the advantages of being simple in structure, flexible, reliable, high in universality and the like.
Description
Technical field
The present invention relates to detecting current transformer device, especially relate to low-voltage current mutual inductor dielectric voltage withstand and error testing device for a kind of metering.
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 standard.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 that each detects the pick-up unit that station arranges a Corresponding matching, because mutual inductor test item is numerous so need to have the different equipment of many covers to examine and determine, 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
Object of the present invention is exactly low-voltage current mutual inductor dielectric voltage withstand and the error testing device for metering 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.
Object of the present invention can be achieved through the following technical solutions; Low-voltage current mutual inductor dielectric voltage withstand and error testing device for a kind of metering, it is characterized in that, this device comprises general basic platform, holds up earthing module, secondary connection module, once lead clamp module, 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, and 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 a plurality of 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 present invention has the following advantages:
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, change and transportation.
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. by " universal reference platform " module, support punching mechanism, select Timing Belt to drive punching copper bar, make physical construction simpler, compactness.
4. at dielectric voltage withstand, detect the electric and electric probe device of the inner reasonable Arrangement of general-purpose platform of station and error testing station.One-piece construction good looking appearance so not only, 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 switch board to the connecting line of corresponding station, thereby improve the reliability of electrical control.
6. owing to adopting distributed control design, realize centralized control, simplified wiring, improved reliability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, low-voltage current mutual inductor dielectric voltage withstand and error testing device for a kind of metering, 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 a plurality of 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 clamping support 41 and the clamping base 42 that is 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, by clamping support 41, be clamped on punching copper bar 52, and adjust its horizontal level by punching copper bar, by the lifter plate holding up in earthing module 2, adjust its lengthwise position, and ground connection, by the electric Electrical Measuring Instrument being arranged in electric Electrical Measuring Instrument installing plate 11, detect.
Claims (6)
1. low-voltage current mutual inductor dielectric voltage withstand and error testing device for a metering, 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 is positioned at punching mechanism (5) other.
2. low-voltage current mutual inductor dielectric voltage withstand and error testing device for a kind of metering 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. low-voltage current mutual inductor dielectric voltage withstand and error testing device for a kind of metering 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. low-voltage current mutual inductor dielectric voltage withstand and error testing device for a kind of metering according to claim 1, 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 a plurality of wiring jaws.
5. low-voltage current mutual inductor dielectric voltage withstand and error testing device for a kind of metering according to claim 1, 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. a kind of 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 clamping support and the clamping base that is arranged on punching copper bar side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267376.9A CN104020435B (en) | 2014-06-16 | 2014-06-16 | A kind of metering low-voltage current mutual inductor pressure and error verification device of insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267376.9A CN104020435B (en) | 2014-06-16 | 2014-06-16 | A kind of metering low-voltage current mutual inductor pressure and error verification device of insulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104020435A true CN104020435A (en) | 2014-09-03 |
| CN104020435B CN104020435B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410267376.9A Active CN104020435B (en) | 2014-06-16 | 2014-06-16 | A kind of metering low-voltage current mutual inductor pressure and error verification device of insulation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132432A (en) * | 2017-12-25 | 2018-06-08 | 芜湖市鸿坤汽车零部件有限公司 | A kind of insulating ladder Withstand test device |
| CN112710978A (en) * | 2020-11-30 | 2021-04-27 | 国网北京市电力公司 | Detection system of anti-direct current transformer |
Citations (6)
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| CN102331567A (en) * | 2011-05-31 | 2012-01-25 | 上海思南电力通信有限公司 | Inspection system and inspection method for optical signal outputting type non-conventional instrument transformer (NCIT) |
| CN102353920A (en) * | 2011-07-14 | 2012-02-15 | 浙江省电力公司 | Mutual inductor automation detecting system |
| CN102998650A (en) * | 2012-09-19 | 2013-03-27 | 上海市电力公司 | Device and method for calibrating optical current transformers |
| CN103235279A (en) * | 2013-03-28 | 2013-08-07 | 国家电网公司 | Electronic transformer output checking device |
| CN103344895A (en) * | 2013-07-30 | 2013-10-09 | 河北海纳电测仪器股份有限公司 | Automatic verification system of low-voltage current transformer |
| CN203909265U (en) * | 2014-06-16 | 2014-10-29 | 国网上海市电力公司 | Insulation, voltage-resistant and error calibrating device for metering low-voltage current transformer |
-
2014
- 2014-06-16 CN CN201410267376.9A patent/CN104020435B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331567A (en) * | 2011-05-31 | 2012-01-25 | 上海思南电力通信有限公司 | Inspection system and inspection method for optical signal outputting type non-conventional instrument transformer (NCIT) |
| CN102353920A (en) * | 2011-07-14 | 2012-02-15 | 浙江省电力公司 | Mutual inductor automation detecting system |
| CN102998650A (en) * | 2012-09-19 | 2013-03-27 | 上海市电力公司 | Device and method for calibrating optical current transformers |
| CN103235279A (en) * | 2013-03-28 | 2013-08-07 | 国家电网公司 | Electronic transformer output checking device |
| CN103344895A (en) * | 2013-07-30 | 2013-10-09 | 河北海纳电测仪器股份有限公司 | Automatic verification system of low-voltage current transformer |
| CN203909265U (en) * | 2014-06-16 | 2014-10-29 | 国网上海市电力公司 | Insulation, voltage-resistant and error calibrating device for metering low-voltage current transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132432A (en) * | 2017-12-25 | 2018-06-08 | 芜湖市鸿坤汽车零部件有限公司 | A kind of insulating ladder Withstand test device |
| CN112710978A (en) * | 2020-11-30 | 2021-04-27 | 国网北京市电力公司 | Detection system of anti-direct current transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104020435B (en) | 2017-04-05 |
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