CN207067273U - A kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment - Google Patents
A kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment Download PDFInfo
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- CN207067273U CN207067273U CN201720855095.4U CN201720855095U CN207067273U CN 207067273 U CN207067273 U CN 207067273U CN 201720855095 U CN201720855095 U CN 201720855095U CN 207067273 U CN207067273 U CN 207067273U
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Abstract
The utility model provides a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment, including inverted T shaped insulating support, inverted T shaped insulating support includes a bottom plate and side plate, plate upper surface side is fixed with copper bar, copper bar connects electric lead, electric lead external direct current power supply, and dc source is connected with charging electrode, subject element is provided between charging electrode and copper bar, copper bar, electric lead, subject element and charging electrode form complete loops；Plate upper surface opposite side is provided with electromagnetic mechanism, electromagnetic mechanism includes coil, E shaped iron cores and armature, armature is fixed on bottom plate, coil is wrapped on E shaped iron cores, and E shaped iron cores are connected a conducting rod, and iron is through a lining shell, serve as a contrast shell and be provided with electric discharge auxiliary electrode, electric discharge auxiliary electrode is engaged electric discharge with electric discharge positive electrode, and electric discharge positive electrode is fixed on insulation board, and insulation board is connected in the end of conducting rod.The utility model substantially increases the quality and efficiency of detection, it is ensured that capacitor element quality it is reliable.
Description
Technical field
It the utility model is related to electric testing device field, and in particular to a kind of metallized capacitor element direct-current short circuit is filled
Discharge automatic test equipment.
Background technology
Up to the present, detection of the domestic and international metallized capacitor manufacturing enterprise to metallized capacitor element is usual still
1, direct current is simply carried out to energize（Progressively boost）With the survey of this binomial voltage test of 2, ac voltage withstanding and capacitance and loss value
Amount；Although must could produce capacitor finished product by this two voltage tests and Capacitance and dielectric dissipation fraction measurement element up to standard,
It is that practical problem is：Using qualified component production capacitor and have also passed through the inspection of subsequent delivery test, but in reality
During use and damaged early stage significant proportion still occurs in the case of meeting the nominal service condition of capacitor
It is bad；The earlier period damage of these capacitors illustrates that one is scheduled on technological process or raw material etc. and significant deficiency be present；And so
Significant deficiency do not have routine inspection in be found.More harsh research technique is required under such circumstances
It was found that the defects of hiding；This means is the direct-current short circuit charge and discharge electric test of capacitor element.The specific embodiment party of the experiment
Method is：The DC voltage of 2 times of rated voltages is first filled with to capacitor element, then directly with the wire of a suitable length by electricity
The both ends of the surface of container component（The two poles of the earth）Short circuit, so as to be discharged charged in element rapidly, and capacitor element is continuous
500 to 1000 times are born so after charging and short circuit dischange process, its capacity and loss value remain in acceptability limit or
It is little with changing compared with the numerical value before experiment, then the production technology of illustrated capacitor element or raw material zero defect.This examination
It is a kind of random sampling experiment to test, suitable for all being carried out in order to the experiment knot according to capacitor element per batch daily in production
Fruit adjusts the technological process for producing defect or material in time.
For metallized capacitor element, short circuit dischange is very harsh to it, is exactly almost destructive, institute
Quality with the element that can be tested by 2 times of rated voltage short circuit dischanges is very reliable, and what element as using produced
Capacitor is also reliable and durable.
The direct-current short circuit charge and discharge electric test of metallization element is verified in the production of metallized capacitor to technological process to be made
With being very effective.If in daily sampling observation, parameter is not up to standard after often having component test, and that must be in technical process
Somewhere there is deviation, technical staff should search the place for deviation occur in time, and suitably be adjusted, then will adjustment
The element produced after technique carries out short-circuit charge and discharge electric test again, and such process may be repeated several times, until the element of sampling observation
Can be transferred through experiment, just explanation technique adjustment can be decided in place.If using element short charge and discharge electric test as one
Daily experiment, and being inspected by random samples to the daily element per batch, that is unusual expense according to mode manually
When it is laborious, it is difficult to adhere to for a long time, problem above could be solved by only making a kind of automatically charge/discharge testing device.
Utility model content
Technical problems to be solved：The purpose of this utility model is to provide a kind of metallized capacitor element direct-current short circuit and filled
Discharge automatic test equipment, overcomes and uses manual operation in metallized capacitor element testing at present, and workload is big, and test is not
The problem of stable.
Technical scheme：A kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment, including inverted T shaped insulation
Support, the inverted T shaped insulating support include a bottom plate and side plate, and the plate upper surface side is fixed with copper bar, the copper bar
An electric lead, the electric lead external direct current power supply are connected, the dc source is connected with a charging electrode again, the charging electricity
Subject element is provided between pole and copper bar, the copper bar, electric lead, subject element and charging electrode form complete loop；
The plate upper surface opposite side is provided with electromagnetic mechanism, and the electromagnetic mechanism includes coil, E shaped iron cores and rank
Iron, the armature are fixed on bottom plate, and the coil is wrapped on E shaped iron cores, and the E shaped iron cores are connected a conducting rod, described
For iron through a lining shell, the lining shell is provided with electric discharge auxiliary electrode, and the electric discharge auxiliary electrode is engaged with an electric discharge positive electrode and put
Electricity, the electric discharge positive electrode are fixed on an insulation board, and the insulation board is connected in the end of conducting rod.
Further, described a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment, it is described to fill
Electrode connects an insulating part, and the insulating part connects a telescopic mounting, and described telescopic mounting is fixed on T-shaped insulation branch
On the side plate of frame.
Further, described a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment, it is described exhausted
Edge part connects a fix bar, and described fix bar is fixed on by stator on the side plate of T-shaped insulating support.
Further, described a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment, it is described can
Retractor device includes expansion bend, inner and outer tubes, and said inner tube is arranged in outer tube, and the outer tube wears and is fixed on expansion bend
It is interior.
Further, described a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment, the lining
A counting inductor is connected with shell.
Beneficial effect：The metallized capacitor element direct-current short circuit discharge and recharge of invention of the present utility model fills from dynamic test
Put, substantially increase the quality and efficiency of detection, it is ensured that capacitor element quality it is reliable, also ensure that capacitor product
Quality, after product quality is guaranteed, the annual mass loss of enterprise is greatly lowered.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.Specific embodiment of the present utility model is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the front view of the utility model preferred embodiment；
Fig. 2 is this side view using the new embodiment for having a section.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
Referring to Fig. 1 and Fig. 2, a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment, including it is inverted T shaped
Insulating support 1, inverted T shaped insulating support 1 include a bottom plate 2 and side plate 15, and the upper surface side of bottom plate 2 is fixed with copper bar 3, copper bar 3
An electric lead 4, the external direct current power supply of electric lead 4 are connected, dc source is connected with a charging electrode 13 again, charging electrode 13 and copper
Subject element is provided between row 3, copper bar 3, electric lead 4, subject element and charging electrode 13 form a kind of metal in complete loop
Change capacitor element direct-current short circuit discharge and recharge automatic test equipment, including inverted T shaped insulating support 1, inverted T shaped insulating support includes one
Bottom plate 2 and side plate 15, are fixed with copper bar 3 on the side of bottom plate 2, and copper bar 3 connects an electric lead 4, the external direct current power supply of electric lead 4 with
One charging electrode 13 forms complete loop；
The upper surface opposite side of bottom plate 2 is provided with electromagnetic mechanism, and electromagnetic mechanism includes coil 5, E shaped iron cores 6 and armature 7, rank
Iron 7 is fixed on a base plate 2, and coil 5 is wrapped on E shaped iron cores 6, and E shaped iron cores 6 are connected a conducting rod 8, and conducting rod 8 is through a lining
Shell 9, lining shell 9 are provided with electric discharge auxiliary electrode 10, and electric discharge auxiliary electrode 10 is engaged electric discharge with an electric discharge positive electrode 11, and discharge positive electrode
11 are fixed on an insulation board 12, and the insulation board 12 is connected in the end of conducting rod 8.
Further, insulation board 12 connects a fix bar 16, and described fix bar 16 is fixed on inverted T shaped by stator 17
On the side plate 15 of insulating support 1.
Further, it is connected with a counting inductor 21 on the lining shell 9.
Subject element is placed between charging electrode and copper bar, and dc source is connected on charging electrode and copper bar, electricity
The action of air circuit control device electromagnetic mechanism, first when electromagnetic mechanism is in release conditions, No. 1 contactor of electric loop is inhaled
Close, element is charged, No. 1 contactor discharges and triggers No. 2 contactor adhesives after being kept for 2 seconds, so as to trigger device electromagnetism
Mechanism adhesive, sparking electrode touching is driven, element is discharged, and after 2 seconds, No. 2 contactor releases, trigger mechanism electromagnetic mechanism is released
Put, sparking electrode is separated, while No. 1 contactor is triggered and adhesive and element charged again again, is inhaled from this triggering that moves in circles
Close, discharge, corresponding charging, discharging action, until reaching setting number and stopping action.No. 1 and No. 2 contactor adhesives holdings
Time be set as be within 2 seconds in order to charge can sufficient and electric discharge can be thoroughly.
Further, charging electrode 13 connects an insulating part 14, and the insulating part 14 connects a telescopic mounting, described
Telescopic mounting is fixed on the side plate 15 of inverted T shaped insulating support 1.
Further, telescopic mounting includes expansion bend 18, inner tube 19 and outer tube 20, and said inner tube 19 is arranged in outer tube 20
Interior, the outer tube 20 wears and is fixed in expansion bend 18, and retractor device can charge electric according to the big minor adjustment of detected element
The distance between pole 13 and copper bar 3.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment, it is characterised in that including inverted T shaped insulation
Support（1）, the inverted T shaped insulating support（1）Including a bottom plate（2）And side plate（15）, the bottom plate（2）Upper surface side is fixed
There is copper bar（3）, the copper bar（3）Connect an electric lead（4）, the electric lead（4）External direct current power supply, the dc source is again
With a charging electrode（13）Connection, the charging electrode（13）With copper bar（3）Between be provided with subject element, the copper bar（3）, electricity
Wire（4）, subject element and charging electrode（13）Form complete loop；
The bottom plate（2）Upper surface opposite side is provided with electromagnetic mechanism, and the electromagnetic mechanism includes coil（5）, E shaped iron cores（6）
And armature（7）, the armature（7）It is fixed on bottom plate（2）On, the coil（5）It is wrapped in E shaped iron cores（6）On, the E sections
Core（6）Be connected a conducting rod（8）, the conducting rod（8）Through a lining shell（9）, the lining shell（9）It is provided with electric discharge auxiliary electrode
（10）, the electric discharge auxiliary electrode（10）With an electric discharge positive electrode（11）It is engaged electric discharge, the electric discharge positive electrode（11）It is fixed on
One insulation board（12）On, the insulation board（12）It is connected in conducting rod（8）End.
2. a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment according to claim 1, it is special
Sign is：The charging electrode（13）Connect an insulating part（14）, the insulating part（14）A telescopic mounting is connected, it is described
Telescopic mounting is fixed on T-shaped insulating support（1）Side plate（15）On.
3. a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment according to claim 1, it is special
Sign is：The insulation board（12）Connect a fix bar（16）, described fix bar（16）Pass through stator（17）It is fixed on T-shaped
Insulating support（1）Side plate（15）On.
4. a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment according to claim 2, it is special
Sign is：The telescopic mounting includes expansion bend（18）, inner tube（19）And outer tube（20）, said inner tube（19）It is arranged in outer tube
（20）It is interior, the outer tube（20）Wear and be fixed on expansion bend（18）It is interior.
5. a kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment according to claim 1, it is special
Sign is：The lining shell（9）On be connected with a counting inductor（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720855095.4U CN207067273U (en) | 2017-07-14 | 2017-07-14 | A kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720855095.4U CN207067273U (en) | 2017-07-14 | 2017-07-14 | A kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment |
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| Publication Number | Publication Date |
|---|---|
| CN207067273U true CN207067273U (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720855095.4U Active CN207067273U (en) | 2017-07-14 | 2017-07-14 | A kind of metallized capacitor element direct-current short circuit discharge and recharge automatic test equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001605A (en) * | 2018-09-25 | 2018-12-14 | 五邑大学 | A kind of discharge testing chest in soft straight power station |
| CN110187226A (en) * | 2019-06-28 | 2019-08-30 | 无锡宏广电容器有限公司 | Polypropylene film capacitor short circuit dischange device |
| CN114236196A (en) * | 2022-02-26 | 2022-03-25 | 合肥航太电物理技术有限公司 | Electrostatic discharge test system of multifunctional program-controlled adjustable electrode |
-
2017
- 2017-07-14 CN CN201720855095.4U patent/CN207067273U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001605A (en) * | 2018-09-25 | 2018-12-14 | 五邑大学 | A kind of discharge testing chest in soft straight power station |
| CN110187226A (en) * | 2019-06-28 | 2019-08-30 | 无锡宏广电容器有限公司 | Polypropylene film capacitor short circuit dischange device |
| CN114236196A (en) * | 2022-02-26 | 2022-03-25 | 合肥航太电物理技术有限公司 | Electrostatic discharge test system of multifunctional program-controlled adjustable electrode |
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