CN105047437B - A kind of fixture and its aging technique for being capable of aging ultra-high voltage aluminum electrolytic capacitor - Google Patents
A kind of fixture and its aging technique for being capable of aging ultra-high voltage aluminum electrolytic capacitor Download PDFInfo
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- CN105047437B CN105047437B CN201510382519.5A CN201510382519A CN105047437B CN 105047437 B CN105047437 B CN 105047437B CN 201510382519 A CN201510382519 A CN 201510382519A CN 105047437 B CN105047437 B CN 105047437B
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Abstract
The present invention relates to a kind of fixture for being capable of aging ultra-high voltage aluminum electrolytic capacitor, including chuck body, chuck body includes base, intermittent circular hole is provided with base, base left and right ends are vertically connected with the first insulation board and the second insulation board, screw is connected between first insulation board and the second insulation board, first insulation board is fixedly linked with base, second insulation board is moved left and right come fixed capacity by screw, both positive and negative polarity copper wire and multiple resistance are connected on second insulation board, multipair folder hole is connected on both positive and negative polarity copper wire, the both positive and negative polarity pin of each pair folder hole one alminium electrolytic condenser of correspondence, also relate to a kind of technique of aging ultra-high voltage aluminum electrolytic capacitor；The advantage of the invention is that：The aging qualification rate of product is improved, production cost is reduced.
Description
Technical field
The present invention relates to a kind of fixture and its aging technique for being capable of aging ultra-high voltage aluminum electrolytic capacitor.
Background technology
At present, development is widelyd popularize due to green energy resource, has driven wind energy, the fast development of luminous energy, and these energy
Power conversion all be unable to do without the use of ultra-high voltage aluminum electrolytic capacitor, while the development of these renewable sources of energy has also driven correlation
Industry such as requires high power switching power supply supporting for it, the fast development of inverter etc..With ultra-high voltage aluminum electrolytic capacitor
Demand increasingly increase, current aging clamp and aging technique can not meet requirement.At present, bolt type alminium electrolytic condenser
Aging clamp is a box-like insulation board, and positive and negative power supply line is connected to sideways.Problem has at 2 points during the super-pressure aging of product（750V is produced
Product）：1st, voltage is applied directly on electric capacity, causes oxide-film to have little time repairing, is increased gas generated, is caused alminium electrolytic condenser to send out
Heat, air-blowing, the phenomenon such as blast influences product quality, the lost of life of capacitor, but also it is high shine into product rate of explosion, gives birth to
Produce cost increase；2nd, aging voltage is higher, and voltage is applied directly on electric capacity during aging, so aging need to be segmented, voltage reaches
Need to add 20V agings every time after 500V, ageing time is long, and production efficiency is too low.
The content of the invention
The invention aims to overcome the shortcomings of the above, there is provided a kind of aging qualification rate for improving product, reduction
The aging clamp and its aging technique of being capable of aging ultra-high voltage aluminum electrolytic capacitor of production cost.
The purpose of the present invention is achieved through the following technical solutions：A kind of folder for being capable of aging ultra-high voltage aluminum electrolytic capacitor
Tool, including chuck body, chuck body include being provided with intermittent circular hole on base, base, and base left and right ends are vertically connected with
First insulation board and the second insulation board, are connected with screw, the first insulation board and base between the first insulation board and the second insulation board
It is fixedly linked, the second insulation board is moved left and right come fixed capacity by screw, both positive and negative polarity copper wire is connected on the second insulation board and many
Multipair folder hole, the both positive and negative polarity pin of each pair folder hole one alminium electrolytic condenser of correspondence are connected on individual resistance, both positive and negative polarity copper wire.
Preferably, resistance is 3K10W resistance.
A kind of technique of aging ultra-high voltage aluminum electrolytic capacitor, is comprised the following steps that：
A, capacitor to be aging is put into aging clamp, the circular hole of capacitive bottom line-up jig, is easy to radiating, and
By the screw tightening between the first insulation board and the second insulation board with fixed capacity；
B, the both positive and negative polarity by the both positive and negative polarity correspondence access capacitor of each pair folder hole；
C, setting normal temperature voltage and boost current, boost current is 0.02KCV*10-6, wherein K is quantity, and C is capacity, V
For rated voltage；
D, the positive pole of power supply is connected with the positive pole copper wire of both positive and negative polarity copper wire, negative pole and the both positive and negative polarity copper wire negative pole copper of power supply
Silk is connected；
E, turn on the power, start normal temperature, first by normal temperature voltage constant current boost, wait voltage to reach, electric current discharges after declining, often
Temperature terminates；
F, capacitor is sealed；
G, setting high temperature ageing voltage and oven temperature, it is high Hygrothermal Aging 4-5 hours to capacitor progress, until leakage current
Up to terminating after electric current, high temperature terminates；
H, at room temperature, constant pressure and flow 1h, electric discharge, aging terminate.
The present invention has advantages below compared with prior art：1st, the base of aging clamp is provided with intermittent circular hole, is easy to
Radiating；2nd, it is using copper wire as power line, using copper wire as power line positive and negative power supply line to be connected on the side insulation right plate of aging clamp
The energy loss on circuit can be reduced；3rd, multiple 3K10W resistance, original electric capacity are connected on the side insulation right plate of aging clamp
Voltage is applied directly on electric capacity during aging, causes product rate of explosion high, production cost increase；And be connected to after 3K10W resistance, electricity
Voltage is added on resistance when holding aging, is slowly discharged to electric capacity, alminium electrolytic condenser can sufficiently repair impaired oxide-film automatically,
Aging fraction defective is reduced, the aging qualification rate of product is substantially increased, reduces production cost；4th, the change of production technology：Electricity
Voltage is added on resistance when holding aging, is slowly discharged to electric capacity, fully the impaired oxide-film of repairing, improves product quality and aging
Qualification rate；Shorten the ageing time of product, that is, shorten man-hour, promote production capacity, reduce cost, add product competitiveness, by
It is big in the gas production of super-pressure bolt type alminium electrolytic condenser, opening aging is carried out during normal temperature.
Brief description of the drawings：
Fig. 1 is structural representation of the invention；
Fig. 2 is simple RC circuit diagrams；
Fig. 3 isIncrease tendency figure；
Fig. 4 isReduce tendency chart；
Fig. 5 is to be gradually reduced tendency chart with C increases K；
Label in figure：1- bases, 2- circular holes, the insulation boards of 3- first, the insulation boards of 4- second, 5- screws, 6- both positive and negative polarities copper wire,
7- resistance, 8- folder holes.
Embodiment：
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, is not intended to limit the scope of the present invention..
A kind of fixture for being capable of aging ultra-high voltage aluminum electrolytic capacitor as shown in Figure 1, including chuck body, chuck body
Including base 1, intermittent circular hole 2 is provided with base 1, the left and right ends of base 1 are vertically connected with the first insulation board 3 and the second insulation
Plate 4, is connected with screw 5 between the first insulation board 3 and the second insulation board 4, the first insulation board 3 is fixedly linked with base 1, and second is exhausted
Listrium 4 is moved left and right come fixed capacity by screw 5, and both positive and negative polarity copper wire 6 and multiple resistance 7, resistance are connected on the second insulation board 4
7 be 3K10W resistance.Multipair folder hole 8, the both positive and negative polarity of one alminium electrolytic condenser of correspondence of each pair folder hole 8 are connected on both positive and negative polarity copper wire 6
Pin.
A kind of technique of aging ultra-high voltage aluminum electrolytic capacitor, is comprised the following steps that：Capacitor to be aging is put into always
Change in fixture, the circular hole 2 of capacitive bottom line-up jig, be easy to radiating, and by between the first insulation board 3 and the second insulation board 4
Screw 5 tighten with fixed capacity；The both positive and negative polarity correspondence of each pair folder hole 8 is accessed into the both positive and negative polarity of capacitor；Set normal temperature voltage
With boost current, boost current is 0.02KCV*10-6, wherein K is quantity, and C is capacity, and V is rated voltage；By the positive pole of power supply
It is connected with the positive pole copper wire of both positive and negative polarity copper wire 6, the negative pole of power supply is connected with the negative pole copper wire of both positive and negative polarity copper wire 6；Turn on the power, start
Normal temperature, first by normal temperature voltage constant current boost, waits voltage to reach, electric current discharges after declining, normal temperature terminates；Capacitor is sealed
Mouthful；High temperature ageing voltage and oven temperature are set, it is high Hygrothermal Aging 4-5 hours to capacitor progress, terminated until leakage current reaches
After electric current, high temperature terminates；At room temperature, constant pressure and flow 1h, electric discharge, aging terminates.
As shown in Fig. 2,, （Leakage current）It is gradually reduced,Reduce,Gradually increase
Greatly, i.e., voltage is added on resistance when capacitance aging, is slowly discharged to electric capacity, such as Fig. 3, shown in 4.
Fig. 2 is simple RC circuits, power supplyPass through resistanceRGive electric capacity C chargings.
Before energization, electric capacity C initial energy storage is zero,
I.e., electric current,。
After energization, according to KVL laws, circuit equation is set up：,,
This its solution of first-order linear nonhomogeneous equation is made up of two components, i.e. the particular solution of linearity non homogeneous differential equationCorrespondingly
Homogeneous equation general solution, i.e.,。
By the zero input response of RC circuits, obtain, general solution is, τ = RCFor time constant.
Because particular solution has with encouraging identical functional form, therefore, when being actuated to dc source, its particular solutionTo be normal
Number.Obviously, particular solution。
I.e.,
Initial value is substituted into, then, then ,
The then magnitude of voltage on t electric capacityFor：
As shown from the above formula, because exponential quantity is only possible to be infinitely close to 0, but never it is equal to 0, so electric capacity is electric
Amount will be completely filled with the time, it is necessary to infinitely great.
As t=RC,；
As t=2RC,；
As t=3RC,；
As t=4RC,；
As t=5RC,；
It can be seen that, after 5 RC, charging process terminates substantially.
Electric capacity boost aging when, need to by said process, and because electric capacity in the fabrication process, due to paper tinsel it is pressure-resistant,
Specific volume, contact resistance, grip, electrolyte etc. reason, t are K5RC (K is variable coefficient), and every liter of 1V will pass through
5KRC.Draw and be gradually reduced with C increases K through experiment, KC products are about 1.33*10-3, as shown in Figure 5.
And electric capacity is when boosting aging, it is desirable to liter per minute about 3V, i.e., general 20S rises 1V；So as to show that KRC is about
4S, resistance R is rounded as 3K.
Claims (1)
1. a kind of technique for being capable of aging ultra-high voltage aluminum electrolytic capacitor, it is characterised in that：
The fixture that technique is used, including chuck body, the chuck body include base（1）, base（1）On be provided with intermittent
Circular hole（2）, base（1）Left and right ends are vertically connected with the first insulation board（3）With the second insulation board（4）, the first insulation board（3）With
Second insulation board（4）Between be connected with screw（5）, the first insulation board（3）With base（1）It is fixedly linked, the second insulation board（4）It is logical
Cross screw（5）Move left and right and carry out fixed capacity, the second insulation board（4）On be connected to both positive and negative polarity copper wire（6）And multiple resistance（7）, just
Negative pole copper wire（6）On be connected to multipair folder hole（8）, each pair folder hole（8）The both positive and negative polarity pin of one alminium electrolytic condenser of correspondence, the electricity
Resistance（7）For 3K10W resistance,
Concrete technology step is as follows：
A, capacitor to be aging is put into aging clamp, the circular hole of capacitive bottom line-up jig（2）, it is easy to radiating, and
By the first insulation board（3）With the second insulation board（4）Between screw（5）Tighten with fixed capacity；
B, by each pair folder hole（8）Both positive and negative polarity correspondence access capacitor both positive and negative polarity；
C, setting normal temperature voltage and boost current, boost current is 0.02KCV*10-6, wherein K is quantity, and C is capacity, and V is volume
Determine voltage；
D, by the positive pole of power supply and both positive and negative polarity copper wire（6）Positive pole copper wire be connected, the negative pole of power supply and both positive and negative polarity copper wire（6）Negative pole
Copper wire is connected；
E, turn on the power, start normal temperature, first by normal temperature voltage constant current boost, wait boosting to finish, electric current discharges after declining, normal temperature knot
Beam；
F, capacitor is sealed；
G, setting high temperature ageing voltage and oven temperature, it is high Hygrothermal Aging 4-5 hours to capacitor progress, until leakage current is up to eventually
Only after electric current, high temperature terminates；
H, at room temperature, constant pressure and flow 1h, electric discharge, aging terminate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382519.5A CN105047437B (en) | 2015-07-03 | 2015-07-03 | A kind of fixture and its aging technique for being capable of aging ultra-high voltage aluminum electrolytic capacitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382519.5A CN105047437B (en) | 2015-07-03 | 2015-07-03 | A kind of fixture and its aging technique for being capable of aging ultra-high voltage aluminum electrolytic capacitor |
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| CN105047437A CN105047437A (en) | 2015-11-11 |
| CN105047437B true CN105047437B (en) | 2017-10-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110187149B (en) * | 2019-05-10 | 2024-08-09 | 惠州恩慈智能科技有限公司 | Ox horn aluminum electrolytic capacitor charging aging clamp for real-time detection and real-time data transmission communication |
| CN110320429A (en) * | 2019-07-11 | 2019-10-11 | 南通海美电子有限公司 | A kind of fuse ageing and screening method |
| CN110957136B (en) * | 2019-11-15 | 2021-12-24 | 安徽永荣电子科技有限公司 | Aging treatment method for aluminum electrolytic capacitor |
| CN111383843B (en) * | 2020-03-05 | 2021-08-27 | 深圳市必事达电子有限公司 | Electrolytic capacitor aging method and system and automatic aging machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794383A (en) * | 2014-02-18 | 2014-05-14 | 南通新三能电子有限公司 | Bolt type aluminum electrolytic capacitor aging clamp |
| CN103839700A (en) * | 2013-10-25 | 2014-06-04 | 中国振华（集团）新云电子元器件有限责任公司 | Clamp for aging of stud type aluminum electrolytic capacitor |
| CN204760238U (en) * | 2015-07-03 | 2015-11-11 | 南通新三能电子有限公司 | Superhigh pressure aluminium electrolytic capacitor's anchor clamps can age |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001250749A (en) * | 2000-03-08 | 2001-09-14 | Matsushita Electric Ind Co Ltd | Aging jig for capacitor |
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2015
- 2015-07-03 CN CN201510382519.5A patent/CN105047437B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103839700A (en) * | 2013-10-25 | 2014-06-04 | 中国振华（集团）新云电子元器件有限责任公司 | Clamp for aging of stud type aluminum electrolytic capacitor |
| CN103794383A (en) * | 2014-02-18 | 2014-05-14 | 南通新三能电子有限公司 | Bolt type aluminum electrolytic capacitor aging clamp |
| CN204760238U (en) * | 2015-07-03 | 2015-11-11 | 南通新三能电子有限公司 | Superhigh pressure aluminium electrolytic capacitor's anchor clamps can age |
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