CN207457382U - Electrolytic capacitor surge test frock - Google Patents
Electrolytic capacitor surge test frock Download PDFInfo
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- CN207457382U CN207457382U CN201721529423.8U CN201721529423U CN207457382U CN 207457382 U CN207457382 U CN 207457382U CN 201721529423 U CN201721529423 U CN 201721529423U CN 207457382 U CN207457382 U CN 207457382U
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Abstract
The utility model discloses a kind of electrolytic capacitor surge test frock, including master controller, power control switch circuit, accumulator, test on-off circuit, first control terminal of master controller is connected with the controlled end of power control switch circuit, and the second control terminal of master controller is connected with testing the controlled end of on-off circuit；The input terminal of power control switch circuit tests power supply for accessing, the output terminal of power control switch circuit and the electrode input end of accumulator and the input terminal connection for testing on-off circuit, the cathode output end ground connection of accumulator, the output terminal for testing on-off circuit are used to connect the positive terminal of electrolytic capacitor to be measured；Wherein, master controller is according to charging time setting signal/discharge time setting signal input by user, and control power control switch circuit is opened, to control accumulator energy storage；And control test on-off circuit is opened, and accumulator to be controlled to discharge electrolytic capacitor to be measured, is realized surge test, is improved yields.
Description
Technical field
The utility model is related to capacitance surge test technical field, more particularly to a kind of electrolytic capacitor surge test frock.
Background technology
At present, the test fixture of aluminium electrolutic capacitor, mostly the capacity only to aluminium electrolutic capacitor, loss and whether leak
Electricity judges whether aluminium electrolutic capacitor is non-defective unit, although most of product can test aluminium electroloysis electricity by this frock
Whether container is non-defective unit, however, aluminium electrolutic capacitor may be operated in rugged environment, such as more than its rated voltage, it is above-mentioned
Test job can not just ensure the product quality of test out, and then cause the yields of electrolytic capacitor low.
Utility model content
The main purpose of the utility model is to propose a kind of electrolytic capacitor surge test frock, it is intended to realize electrolysis electricity to be measured
The surge test of appearance improves the yields of electrolytic capacitor to be measured.
To achieve the above object, the utility model proposes a kind of electrolytic capacitor surge test frock, the electrolytic capacitor waves
Gushing test fixture includes master controller, power control switch circuit, accumulator, test on-off circuit, the master controller
First control terminal is connected with the controlled end of the power control switch circuit, the second control terminal and the survey of the master controller
Try the controlled end connection of on-off circuit；The input terminal of the power control switch circuit tests power supply, the power supply for accessing
The output terminal of on-off circuit and the input terminal of the electrode input end of the accumulator and the test on-off circuit is controlled to be connected,
The cathode output end ground connection of the accumulator, the output terminal of the test on-off circuit are used to connect electrolytic capacitor to be measured just
Extremely；Wherein,
The master controller, for according to charging time setting signal/discharge time setting signal input by user, output
First control signal and second control signal；
The power control switch circuit, for being opened when receiving the first control signal, to control the storage
It can circuit energy storage；
The test on-off circuit, for being opened when receiving the second control signal, to control the energy storage electricity
Road discharges to the electrolytic capacitor to be measured, realizes surge test.
Preferably, the electrolytic capacitor surge test frock further includes to control the first control signal and second
The output amplifier that signal is amplified, the first input end of the output amplifier and the second input terminal respectively with the master control
The first control terminal and the second control terminal of device processed are correspondingly connected with；First output terminal of the output amplifier is controlled with the power supply
The controlled end connection of on-off circuit；The second output terminal of the output amplifier and the controlled end of the test on-off circuit connect
It connects.
Preferably, the electrolytic capacitor surge test frock further includes charging resistor, the charging resistor be arranged in series in
Between the input terminal of the accumulator and the power control switch circuit.
Preferably, the electrolytic capacitor surge test frock further includes discharge resistance, the discharge resistance be arranged in series in
Between the input terminal of the electrode input end of the test power supply and the test on-off circuit.
Preferably, the accumulator is aluminium electrolutic capacitor module.
Preferably, the power control switch circuit includes the first IGBT, and the grid of the first IGBT is the power supply
The controlled end of on-off circuit is controlled, the input terminal of the extremely described power control switch circuit of current collection of the first IGBT is described
The output terminal of the extremely described power control switch circuit of transmitting of first IGBT.
Preferably, the test on-off circuit includes the 2nd IGBT, and the grid of the 2nd IGBT switchs for the test
The controlled end of circuit, the input terminal of the extremely described test on-off circuit of current collection of the 2nd IGBT, the hair of the 2nd IGBT
Emitter-base bandgap grading is the output terminal for testing on-off circuit.
Preferably, the electrolytic capacitor surge test frock further includes to receive temporal information input by user, and produces
The one or three of raw charging time setting signal, which refers to, dials device, and described one or three refers to the output terminal for dialling device and master controller company
It connects.
Preferably, the electrolytic capacitor surge test frock further includes to receive temporal information input by user, and produces
The two or three of raw discharge time setting signal, which refers to, dials device, and described two or three refers to the output terminal for dialling device and master controller company
It connects.
The utility model electrolytic capacitor surge test frock is by setting master controller, and during according to charging input by user
Between setting signal/discharge time setting signal, first control signal and second control signal are exported, to control power control switch
Circuit is opened when receiving the first control signal, to control the accumulator energy storage, while controls test switch electricity
Road is opened when receiving the second control signal, real the accumulator to be controlled to discharge the electrolytic capacitor to be measured
The surge test of existing electrolytic capacitor to be measured improves the yields of electrolytic capacitor to be measured.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the illustrative view of functional configuration of one embodiment of the utility model electrolytic capacitor surge test frock；
Fig. 2 is the electrical block diagram of one embodiment of electrolytic capacitor surge test frock in Fig. 1.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Master controller | 70 | Two or three refers to group device |
| 20 | Power control switch circuit | 100 | Electrolytic capacitor to be measured |
| 30 | Accumulator | R1 | Charging resistor |
| 40 | Test on-off circuit | R2 | Discharge resistance |
| 50 | Output amplifier | VDC | Test power supply |
| 60 | One or three refers to group device |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
It if, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of electrolytic capacitor surge test frocks.
Referring to FIG. 1 and FIG. 2, in one embodiment of the utility model, which includes main control
Device 10, power control switch circuit 20, accumulator 30, test on-off circuit 40, the first control terminal of the master controller 10
It is connected with the controlled end of the power control switch circuit 20, the second control terminal of the master controller 10 is switched with the test
The controlled end connection of circuit 40；The input terminal of the power control switch circuit 20 tests power supply V for accessingDC, the power supply
Control the input of the output terminal of on-off circuit 20 and the electrode input end of the accumulator 30 and the test on-off circuit 40
End connection, the cathode output end ground connection of the accumulator 30, the output terminal of the test on-off circuit 40 are to be measured for connecting
The positive terminal of electrolytic capacitor 100；Wherein,
The master controller 10, it is defeated for according to charging time setting signal/discharge time setting signal input by user
Go out first control signal and second control signal；
The power control switch circuit 20, for being opened when receiving the first control signal, with described in control
30 energy storage of accumulator；
The test on-off circuit 40, for being opened when receiving the second control signal, to control the energy storage
Circuit 30 discharges to the electrolytic capacitor 100 to be measured, realizes surge test.
In the present embodiment, master controller 10 can be the microprocessor that PLC, microcontroller, DSP etc. have control function, this
Embodiment is preferably PLC.The power control switch circuit 20 preferably realized using the first IGBT, the grid of the first IGBT
The controlled end of extremely described power control switch circuit 20, the extremely described power control switch circuit of current collection of the first IGBT
20 input terminal, the output terminal of the extremely described power control switch circuit 20 of transmitting of the first IGBT.Test on-off circuit
40 preferably using the 2nd IGBT, the grid of the 2nd IGBT for the test on-off circuit 40 controlled end, described second
The input terminal of the extremely described test on-off circuit 40 of the current collection of IGBT, the extremely described test switch electricity of transmitting of the 2nd IGBT
The output terminal on road 40.Certainly in other embodiments, power control switch circuit 20 and test on-off circuit 40 can also use
Other power tubes, such as field-effect tube etc. are realized, are not limited herein.
In electrolytic capacitor surge test frock after the power is turned on, master controller 10 can will be received according to test concrete condition
Charging time setting signal/discharge time setting signal input by user, be converted into the control of corresponding first control signal/second
Signal processed, power control switch circuit 20 and test on-off circuit 40 to be controlled to work, such as when the user setting charging time is
800ms, master controller 10 then export the first control signal of high level, power control switch circuit 20 to be controlled to open, and drive
Dynamic accumulator 30 carries out energy storage, after the charging time reaches 800ms, then exports low level first control signal, with control
Power control switch circuit 20 is closed.It is simultaneously 400ms when user setting discharge time, master controller 10 then exports high level
Second control signal is opened with control test on-off circuit 40, and accumulator 30 is driven to discharge, and is reached in discharge time
After 400ms, then the second control signal of high level is exported, accumulator 30 to be controlled to stop electric discharge.It discharges in accumulator 30
Time in, on-off circuit 40 is output to electrolytic capacitor 100 to be measured to the electric energy of accumulator 30 after tested, at this time it is to be measured electrolysis electricity
The electric current held on 100 can reach 80-100A, if electrolytic capacitor, there are big burr or flaw, the high current of 80-100A can be made
Have little time to repair into burr scintillation or flaw, the leakage current of electrolytic capacitor 100 to be measured can increased dramatically, electrolytic capacitor fever, sternly
Even it is present with flashing point during weight and burns electrolytic paper, causes the situation of positive and negative anodes short circuit breakdown failure, surveyed using secondary electric leakage
It after examination and appearance are selected, since failure product leakage current is very big or bottom, side explosion-proof valve are opened and is screened out, so as to real
Existing test of the electrolytic capacitor to surge electric energy anti-shot ability.
The utility model is by setting master controller 10, and during according to charging time setting signal/electric discharge input by user
Between setting signal, first control signal and second control signal are exported, to control power control switch circuit 20 receiving
It is opened when stating first control signal, to control 30 energy storage of accumulator, while test on-off circuit 40 is controlled to receive
It opens during the second control signal, the accumulator 30 to be controlled to discharge the electrolytic capacitor 100 to be measured, realizes to be measured
The surge test of electrolytic capacitor 100 improves the yields of electrolytic capacitor 100 to be measured.
It should be noted that accumulator 30 charges on one side, while during electric discharge, first device in accumulator 30 can be damaged
Part, and shorten the service life of component in accumulator 30.In the present embodiment, first control signal and second control signal are equal
Including two kinds of level states of high level or low level；When first control signal is high level, second control signal is then low level；
When first control signal is low level, second control signal is then high level, that is, first control signal and second control signal
With 90 ° of phase difference.So set, so as to avoid accumulator 30 in power control switch circuit 20 and test on-off circuit
Occurs side charging under 40 driving, side electric discharge happens.The duty cycle of first control signal and accounting for for second control signal
Sky is more adjustable than arbitrary, wherein the duty cycle for being preferably the two is 50%, specifically can according to the capacity of electrolytic capacitor 100 to be measured come
It sets.
It is understood that in order to adapt to the higher electrolytic capacitor to be measured 100 of voltage, such as the electrolysis electricity of more than 400V
Hold, in the present embodiment, the accumulator 30 is preferably using the alminium electrolytic condenser mould for having many advantages, such as that capacity is big, service life is long
Group is realized, certainly in other embodiments, can also be realized with other energy-storage batteries, is not limited herein.
Referring to FIG. 1 and FIG. 2, in a preferred embodiment, the electrolytic capacitor surge test frock is further included for by institute
State the output amplifier 50 that first control signal and second control signal are amplified, the first input of the output amplifier 50
End and the second input terminal are correspondingly connected with respectively with the first control terminal of the master controller 10 and the second control terminal；The output is put
First output terminal of big device 50 is connected with the controlled end of the power control switch circuit 20；The second of the output amplifier 50
Output terminal is connected with the controlled end of the test on-off circuit 40.
It should be noted that it should be noted that the driving voltage that master controller 10 exports is generally 5V, and when power supply control
On-off circuit 20 processed and test on-off circuit 40 using IGBT constant powers pipe come when realizing, the driving voltage of power tube is 10~
35V, in order to improve the driving force to power tube, first control signal and that output amplifier 50 exports master controller 10
Two control signals export after being amplified respectively to power control switch circuit 20 and test on-off circuit 40, with driving power control
On-off circuit 20 processed and test on-off circuit 40 work.
Referring to FIG. 1 and FIG. 2, in a preferred embodiment, the electrolytic capacitor surge test frock further includes charging resistor
R1, the charging resistor R1 be arranged in series in the accumulator 30 and the power control switch circuit 20 input terminal it
Between.
In the present embodiment, charging resistor R1 is connected through power control switch circuit 20 with accumulator 30, is filled so as to be formed
Electrical circuit when power control switch circuit 20 is receiving the first control signal of high level after open, tests power supply VDCThrough
Charging resistor R1 charges to accumulator 30, to realize that the energy storage of accumulator 30 works.
Referring to FIG. 1 and FIG. 2, in a preferred embodiment, the electrolytic capacitor surge test frock further includes discharge resistance
R2, the discharge resistance R2 are arranged in series in the test power supply VDCElectrode input end with it is described test on-off circuit 40 it is defeated
Enter between end.
In the present embodiment, accumulator 30 is through discharge resistance R2 and test on-off circuit 40 and 100 shape of electrolytic capacitor to be measured
Into discharge loop, the second control signal of high level is being received after open when testing on-off circuit 40, accumulator 30 passes through
Discharge resistance R2 discharges to electrolytic capacitor 100 to be measured, to realize the surge test to electrolytic capacitor 100 to be measured.
Referring to FIG. 1 and FIG. 2, in a preferred embodiment, the electrolytic capacitor surge test frock further includes to receive
Temporal information input by user, and generate charging time setting signal the one or three refer to dial device 60, described one or three refer to dial
The output terminal of device 60 is connected with the master controller 10.
And the electrolytic capacitor surge test frock further includes to receive temporal information input by user, and generate
The two or three of discharge time setting signal, which refers to, dials device 70, and described two or three refers to the output terminal for dialling device 70 and the master controller
10 connections.
In order to adapt to the capacity and working characteristics of different types of electrolytic capacitor to be measured 100, the present embodiment passes through first
Three refer to dial device 60 and the two or three and refer to and dial device 70 to set the charging time of accumulator 30 and discharge time respectively, to realize
The charge/discharge time of accumulator 30 is adjustable.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Conversion or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (9)
1. a kind of electrolytic capacitor surge test frock, which is characterized in that the electrolytic capacitor surge test frock includes main control
Device, power control switch circuit, accumulator, test on-off circuit, the first control terminal and the power supply of the master controller
The controlled end connection of on-off circuit is controlled, the second control terminal of the master controller and the controlled end of the test on-off circuit connect
It connects；The input terminal of the power control switch circuit tests power supply, the output terminal of the power control switch circuit for accessing
It is connected with the electrode input end of the accumulator and the input terminal of the test on-off circuit, the cathode of the accumulator is defeated
Outlet is grounded, and the output terminal of the test on-off circuit is used to connect the positive terminal of electrolytic capacitor to be measured；Wherein,
The master controller, for according to charging time setting signal/discharge time setting signal input by user, output first
Control signal and second control signal；
The power control switch circuit, for being opened when receiving the first control signal, to control the energy storage electricity
Road energy storage；
The test on-off circuit, for being opened when receiving the second control signal, to control the accumulator pair
The electrolytic capacitor electric discharge to be measured, realizes surge test.
2. electrolytic capacitor surge test frock as described in claim 1, which is characterized in that the electrolytic capacitor surge test work
Dress further includes the output amplifier for the first control signal and second control signal to be amplified, the output amplification
The first input end of device and the second input terminal are correspondingly connected with respectively with the first control terminal of the master controller and the second control terminal；
First output terminal of the output amplifier is connected with the controlled end of the power control switch circuit；The output amplifier
Second output terminal is connected with the controlled end of the test on-off circuit.
3. electrolytic capacitor surge test frock as described in claim 1, which is characterized in that the electrolytic capacitor surge test work
Dress further includes charging resistor, and the charging resistor is arranged in series in the defeated of the accumulator and the power control switch circuit
Enter between end.
4. electrolytic capacitor surge test frock as described in claim 1, which is characterized in that the electrolytic capacitor surge test work
Dress further includes discharge resistance, and the discharge resistance is arranged in series electrode input end and the test switch in the test power supply
Between the input terminal of circuit.
5. electrolytic capacitor surge test frock as described in claim 1, which is characterized in that the accumulator is aluminium electroloysis electricity
Container module.
6. electrolytic capacitor surge test frock as described in claim 1, which is characterized in that the power control switch circuit bag
Include the first IGBT, the grid of the first IGBT is the controlled end of the power control switch circuit, the collection of the first IGBT
Electrode be the power control switch circuit input terminal, the extremely described power control switch circuit of transmitting of the first IGBT
Output terminal.
7. electrolytic capacitor surge test frock as described in claim 1, which is characterized in that the test on-off circuit includes the
The grid of two IGBT, the 2nd IGBT for it is described test on-off circuit controlled end, the current collection extremely institute of the 2nd IGBT
State the input terminal of test on-off circuit, the output terminal of the extremely described test on-off circuit of transmitting of the 2nd IGBT.
8. the electrolytic capacitor surge test frock as described in claim 1 to 7 any one, which is characterized in that the electrolysis electricity
Hold surge test frock to further include to receive temporal information input by user, and generate the 1st of charging time setting signal the
Position, which refers to, dials device, and described one or three output terminal for referring to group device is connected with the master controller.
9. such as the electrolytic capacitor surge test frock of claim 1 to 7 any one, which is characterized in that the electrolytic capacitor wave
It gushes test fixture to further include to receive temporal information input by user, and generate discharge time setting signal the two or three refers to
Device is dialled, described two or three output terminal for referring to group device is connected with the master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529423.8U CN207457382U (en) | 2017-11-13 | 2017-11-13 | Electrolytic capacitor surge test frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529423.8U CN207457382U (en) | 2017-11-13 | 2017-11-13 | Electrolytic capacitor surge test frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207457382U true CN207457382U (en) | 2018-06-05 |
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ID=62279875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721529423.8U Active CN207457382U (en) | 2017-11-13 | 2017-11-13 | Electrolytic capacitor surge test frock |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308736A (en) * | 2021-12-29 | 2022-04-12 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | Capacitor product surge current performance test method and test equipment |
-
2017
- 2017-11-13 CN CN201721529423.8U patent/CN207457382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308736A (en) * | 2021-12-29 | 2022-04-12 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | Capacitor product surge current performance test method and test equipment |
| CN114308736B (en) * | 2021-12-29 | 2023-05-30 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | Capacitor product surge current performance test method and test equipment |
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