CN206270421U - A kind of Reliability Test Instrument of alminium electrolytic condenser - Google Patents
A kind of Reliability Test Instrument of alminium electrolytic condenser Download PDFInfo
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- CN206270421U CN206270421U CN201621154873.9U CN201621154873U CN206270421U CN 206270421 U CN206270421 U CN 206270421U CN 201621154873 U CN201621154873 U CN 201621154873U CN 206270421 U CN206270421 U CN 206270421U
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Abstract
The utility model proposes a kind of Reliability Test Instrument of alminium electrolytic condenser, it is related to a solution capacitance technology field, including the industrial frequency AC source being sequentially connected, industrial frequency rectifying filtration module, inversion module, filtering high-frequency rectifier module, impulse transfer module, the impulse transfer module is connected with electrochemical capacitor to be measured, also include DC voltage and current detection module and pulse voltage current detection module, the DC voltage and current detection module is connected to filtering high-frequency rectifier module, the pulse voltage current detection module is connected to electrochemical capacitor to be measured, the industrial frequency AC source, inversion module, DC voltage and current detection module, impulse transfer module and pulse voltage current detection module are all connected to control panel, the control panel is connected with guidance panel.Situation when the utility model is by the way that DC voltage and pulse voltage to be overlapped mutually to simulate the work of electrochemical capacitor to be measured in experiment, so as to detect the reliability for using of electrochemical capacitor to be measured.
Description
Technical field
The utility model is related to the alminium electrolytic condenser technical field, more particularly to electrochemical capacitor testing field to have, particularly
Refer to a kind of Reliability Test Instrument of alminium electrolytic condenser.
Background technology
Alminium electrolytic condenser is a kind of very conventional electronic component, and alminium electrolytic condenser has certain working life, and
Time is more long, and in electric capacity R＆D process, a very important parameter is to determine the life-span of new varieties, in order to check fresh sample
Life-span, it is necessary to a set of special equipment is tested, for the electric capacity in experimentation provides power supply, the work of artificial capacitor
Process.The power supply of energy is not provided for electric capacity experiment in the prior art.Based on this, it is above-mentioned that the utility model provides a kind of solution
The tester of problem.
Utility model content
In view of the shortcomings of the prior art, the utility model proposes a kind of Reliability Test Instrument of alminium electrolytic condenser, this practicality
It is new to provide dc source and a kind of charging/discharging voltage that a kind of voltage and current can adjust and the time can be with pulse work
The pulse power of work, situation when above two power supply is overlapped mutually to simulate the work of electrochemical capacitor to be measured in experiment, from
And detect the reliability for using of electrochemical capacitor to be measured.
To achieve these goals, the technical scheme that the utility model is taken is as follows：
The utility model proposes a kind of Reliability Test Instrument of alminium electrolytic condenser, including be sequentially connected industrial frequency AC source,
Industrial frequency rectifying filtration module, inversion module, filtering high-frequency rectifier module, impulse transfer module, the impulse transfer module connection
There is electrochemical capacitor to be measured, also including DC voltage and current detection module and pulse voltage current detection module, the DC voltage
Current detection module is connected to filtering high-frequency rectifier module, and the pulse voltage current detection module is connected to electrolysis electricity to be measured
Hold, the inspection of the industrial frequency AC source, inversion module, DC voltage and current detection module, impulse transfer module and pulse voltage electric current
Survey module and be all connected to control panel, the control panel is connected with guidance panel.
Preferably, the control panel uses industrial digital signal processor.
Preferably, the industrial digital signal processor selects DSPIC30F2023 chips.
Preferably, the drive signal of industrial digital signal processor and isolating for IPM are realized using high speed photo coupling A4504,
Its feedback signal completes the feedback of protection signal using optocoupler TLP521.
Preferably, the inversion module shares an IPM module for Unit six with DC voltage and current detection module, described
IPM modules contain six IGBT units, and six TGBT units constitute three bridge arms.
Preferably, the IPM modules are PM150CLA120.
Preferably, the DC voltage and current detection module detects its voltage using electric resistance partial pressure type, using Hall current
Sensor detects its electric current.
Preferably, the pulse voltage current detection module detects its voltage using electric resistance partial pressure type, using Hall current
Sensor detects its electric current.
The beneficial effects of the utility model：
1. the utility model applies the pulse power and dc source by the two ends of electrochemical capacitor to be measured, simulates electric capacity
The work of device, and by changing the size of the pulse power with dc source that are applied to electrochemical capacitor two ends to be measured, simulate electricity
The impact run into during container work, realizes the purpose of sensing capacitor reliability, for capacitor design with assessment provide according to
According to；
2. life-span tester described in the utility model uses DSP CONTROL, reliable and stable, high precision.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the Reliability Test Instrument of alminium electrolytic condenser of the utility model；
Fig. 2 is a kind of schematic diagram of the control panel of alminium electrolytic condenser life-span tester of the utility model；
Fig. 3 is inversion module and DC voltage and current the detection mould of a kind of alminium electrolytic condenser life-span tester of the utility model
The circuit diagram of block；
Fig. 4 is a kind of drive signal of control panel of alminium electrolytic condenser life-span tester of the utility model and isolating for IPM
Circuit diagram；
Fig. 5 is a kind of circuit of the impulse transfer module of the control panel of alminium electrolytic condenser life-span tester of the utility model
Figure；
Fig. 6 is a kind of detection circuit diagram of the DC voltage of alminium electrolytic condenser life-span tester of the utility model；
Fig. 7 is a kind of detection circuit diagram of the DC current of alminium electrolytic condenser life-span tester of the utility model；
Fig. 8 is a kind of detection circuit diagram of the pulse voltage of alminium electrolytic condenser life-span tester of the utility model；
Fig. 9 is a kind of detection circuit diagram of the pulse current of alminium electrolytic condenser life-span tester of the utility model.
Wherein, 1- industrial frequency ACs source, 2- industrial frequency rectifying filtration modules, 3- inversion modules, 4- filtering high-frequency rectifier modules, 5-
Impulse transfer module, 6- electrochemical capacitors to be measured, 7- DC voltage and current detection modules, 8- pulse voltage current detection modules, 9-
Control panel, 10- guidance panels.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
As shown in figure 1, the utility model proposes a kind of Reliability Test Instrument of alminium electrolytic condenser, including the work being sequentially connected
Frequency alternating current source 1, industrial frequency rectifying filtration module 2, inversion module 3, filtering high-frequency rectifier module 4, impulse transfer module 5, the arteries and veins
Rush conversion module 5 and be connected with electrochemical capacitor to be measured 6, also including DC voltage and current detection module 7 and pulse voltage current detecting
Module 8, the DC voltage and current detection module 7 is connected to filtering high-frequency rectifier module 4, the pulse voltage current detecting mould
Block 8 is connected to electrochemical capacitor to be measured 6.
Wherein, above-mentioned industrial frequency AC source 1, industrial frequency rectifying filtration module 2, inversion module 3 and filtering high-frequency rectifier module 4 are used
To provide the two ends that high-frequency DC is applied to electrochemical capacitor to be measured 6, impulse transfer module carries 5 for being applied to electrochemical capacitor to be measured
The pulse electricity at 6 two ends, the work of capacitor is simulated by the comprehensive function of both the above power supply, is used to detect electrolysis electricity to be measured
Hold 6 operative scenario under different operating voltage, realize the purpose of sensing capacitor reliability.
Industrial frequency AC source 1, inversion module 3, DC voltage and current detection module 7, impulse transfer module 5 and pulse voltage electricity
Stream detection module 8 is all connected to control panel 9, by the Comprehensive Control of control panel 9, judges, realizes the inspection to electrochemical capacitor to be measured 6
Survey.
Specifically, the power alternating current from industrial frequency AC source out is changed into the straight of stabilization by industrial frequency rectifying filtration module 2
Stream electricity, life-span tester described in the utility model with control panel 9 as control core, in the specific embodiment of the utility model one
In, control panel 9 is controlled using digital signal processor DSP IC30F2023 chips.The one side control panel of control panel 9 is controlled
Inversion module 3, high-frequency alternating current is become frequency is changed into through the direct current of over commutation, and high-frequency alternating current passes through filtering high-frequency rectifier
Module 4 is converted into high-frequency DC, and controls DC voltage and current detection module 7 to detect high-frequency DC, the opposing party
Inversion link 3 realizes boosting and step-down to DC voltage to face control panel 9 simultaneously, is applied to by the direct current after control and treated
The two ends of electrochemical capacitor are surveyed, is then detected.At the same time, above-mentioned high-frequency DC after impulse transfer module 5 by changing
Electrochemical capacitor to be measured 6 is given into pulse electricity output, now, pulse voltage current detection module 8 is again to the two ends of electrochemical capacitor to be measured 6
Pulse electricity detected, during testing result then sent into control panel 9, by after computing, adjustment impulse transfer module 5 and control
The control action of making sheet 9 is applied to the direct current at the two ends of electrochemical capacitor to be measured 6 and the size of pulse electricity to change, so as to complete to treat
Survey the simulation work of electrochemical capacitor 6.In this pulse tester course of work, to the voltage and electricity at the two ends of electrochemical capacitor to be measured 6
Stream detected, realizes that closed-loop control, so as to the work of analog capacitor, reaches the purpose of reliability detection.
Wherein, above-mentioned control panel 9 is controlled using industrial digital signal processor, and this chip operation speed is high,
Can completion timing, interrupt, analog-to-digital conversion, PWM waveform is produced, the function of correspondence with foreign country etc., and I/O pin have it is stronger
Driving force, temperature resistant capability and strong antijamming capability, are well suited for the control of industrial power supply.As shown in Fig. 2 in the present embodiment
In, it is controlled from using digital signal processor DSP IC30F2023 chips, this control chip is powerful, arithmetic speed
Hurry up, the signal sampling of high speed can be carried out, there is provided the high-resolution PWM waveform in six tunnels, can reach and control inversion link simultaneously
With the demand of direct current buck.
Industrial-frequency alternating current is converted to direct current by industrial frequency rectifying filtration module 2, the bridge heap that switching process is made up of diode
Complete, it is simple and reliable, it is filtered by big capacity electrolyte capacitor after the completion of rectification, obtain galvanic current.
Inversion module 3 and DC voltage and current detection module 7 share an IPM module PM150CLA120 for Unit six, this
Individual module contains six IGBT units, constitutes three bridge arms, carries multi-protective function, using the teaching of the invention it is possible to provide the reliability of operation
Property.Two transformations for realizing DC-to-DC in three bridge arms.Group is recommended pwm pulse and is applied to G1, and on G2, another set is pushed away
Draw pwm pulse and be applied to G3, on G4, the intermediate point S1, S3 of bridge arm export rectifying tube and output by high-frequency isolation transformer
Electric capacity is changed into galvanic current, and circuit is as shown in Figure 3.
In above process, it is necessary to realize isolating for digital signal processor drive signal and IPM, using at a high speed in design
Optocoupler A4504 is realized, while IPM is also required to feedback protection signal to digital signal processor, feedback signal optocoupler
TLP521 is completed, and circuit is as shown in Figure 4.
In the present embodiment, galvanic current is changed into the adjustable pulse voltage of voltage, this reality by impulse transfer module 5
Apply in example and realized by the way of pressure regulation is switched, this method needs two IGBT to constitute a bridge arms, in the effect of pwm pulse
Under, the square wave of pulsewidth transformation is produced, by resistance current limliting and then to electrochemical capacitor to be measured by discharge and recharge, reach voltage pulse
Purpose.Pulse Width Control is carried out using two modules of IGBT of an encapsulation, driving control signal is controlled by G5, S5, G6, S6
System, the intermediate point S5 and resistance R17 of bridge arm carry out discharge and recharge to testing capacitor together, right in side circuit running to simulate
The discharge and recharge of electric capacity, circuit is as shown in Figure 5.
Need to detect the voltage and current of dc source and the voltage and current of the pulse power in the present embodiment.Due to
DC voltage change scope is big, and accuracy of detection requirement is higher, middle in the present embodiment to be realized by the way of electric resistance partial pressure, resistance point
Pressure high precision, reaction is fast, is influenceed smaller by element oneself factor, and circuit is as shown in Figure 6.The detection of DC current is using Hall electricity
Flow sensor realizes, Hall current sensor can realize isolating for sensed current and detection signal, and vary with temperature it is small,
The characteristics of detection stabilization.Above-mentioned Hall current sensor is powered using single supply, it is necessary to be carried out partially to output signal using amplifier
Shifting is processed, and circuit is as shown in Figure 7.
The detection of pulse voltage realizes that electric resistance partial pressure high precision, reaction is fast, by element itself by the way of electric resistance partial pressure
Factor influence is smaller.Realize that circuit theory is as shown in Figure 8；The detection of pulse current is sensed using Hall current in the present embodiment
Device, Hall current sensor can realize isolating for sensed current and detection signal, and vary with temperature it is small, detection stabilization
Feature, circuit are as shown in figure 9, the Hall current sensor in the present embodiment is powered, it is necessary to using amplifier to defeated using single supply
Going out signal carries out migration processing.
In addition to the above, for the ease of being adjusted to DC voltage of the present utility model and pulse voltage, this practicality
New control panel is also associated with guidance panel, and electricity to be measured is applied to by being controlled i.e. achievable regulation on guidance panel
The DC voltage and pulse voltage at solution electric capacity two ends.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit is required is defined.
Claims (8)
1. a kind of Reliability Test Instrument of alminium electrolytic condenser, it is characterised in that including the industrial frequency AC source being sequentially connected（1）, work
Frequency rectification filtering module（2）, inversion module（3）, filtering high-frequency rectifier module（4）, impulse transfer module（5）, the pulse change
Mold changing block（5）It is connected with electrochemical capacitor to be measured（6）, also including DC voltage and current detection module（7）And the inspection of pulse voltage electric current
Survey module（8）, the DC voltage and current detection module（7）It is connected to filtering high-frequency rectifier module（4）, the pulse voltage electricity
Stream detection module（8）It is connected to electrochemical capacitor to be measured（6）, the industrial frequency AC source（1）, inversion module（3）, DC voltage and current
Detection module（7）, impulse transfer module（5）And pulse voltage current detection module（8）It is all connected to control panel（9）, the control
Making sheet（9）It is connected with guidance panel（10）.
2. a kind of Reliability Test Instrument of alminium electrolytic condenser according to claim 1, it is characterised in that the control panel
（9）Using industrial digital signal processor.
3. a kind of Reliability Test Instrument of alminium electrolytic condenser according to claim 2, it is characterised in that the industrial number
Word signal processor selects DSPIC30F2023 chips.
4. the Reliability Test Instrument of a kind of alminium electrolytic condenser according to claim 2, it is characterised in that use high speed photo coupling
A4504 realizes the drive signal of industrial digital signal processor and isolating for IPM, and its feedback signal is completed using optocoupler TLP521
The feedback of protection signal.
5. a kind of Reliability Test Instrument of alminium electrolytic condenser according to claim 1, it is characterised in that the inversion module
（3）With DC voltage and current detection module（7）An IPM module for Unit six is shared, it is mono- that the IPM modules contain six IGBT
Unit, six TGBT units constitute three bridge arms.
6. a kind of Reliability Test Instrument of alminium electrolytic condenser according to claim 5, it is characterised in that the IPM modules
It is PM150CLA120.
7. a kind of Reliability Test Instrument of alminium electrolytic condenser according to claim 1, it is characterised in that the DC voltage
Current detection module（7）Using electric resistance partial pressure type detection voltage, electric current is detected using Hall current sensor.
8. a kind of Reliability Test Instrument of alminium electrolytic condenser according to claim 1, it is characterised in that the pulse voltage
Current detection module（8）Using electric resistance partial pressure type detection voltage, electric current is detected using Hall current sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621154873.9U CN206270421U (en) | 2016-10-31 | 2016-10-31 | A kind of Reliability Test Instrument of alminium electrolytic condenser |
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| CN201621154873.9U CN206270421U (en) | 2016-10-31 | 2016-10-31 | A kind of Reliability Test Instrument of alminium electrolytic condenser |
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| CN206270421U true CN206270421U (en) | 2017-06-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950439A (en) * | 2016-10-31 | 2017-07-14 | 丰宾电子（深圳）有限公司 | A kind of Reliability Test Instrument of alminium electrolytic condenser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950439A (en) * | 2016-10-31 | 2017-07-14 | 丰宾电子（深圳）有限公司 | A kind of Reliability Test Instrument of alminium electrolytic condenser |
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Address after: 518000 Factory A102, Fengbin Industrial Park, Tangwei Community, Fenghuang Street, Guangming District, Shenzhen, Guangdong Patentee after: Fengbin Electronic Technology Co.,Ltd. Address before: 518000 Tangwei Industrial Zone, Tangwei Village, Gongming Town, Guangming New District, Shenzhen City, Guangdong Province Patentee before: CAPXON ELECTRONIC (SHEN ZHEN) Co.,Ltd. |