CN201199256Y - Electrolytic capacitor high-frequency great current tester - Google Patents
Electrolytic capacitor high-frequency great current tester Download PDFInfo
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- CN201199256Y CN201199256Y CNU2008200745584U CN200820074558U CN201199256Y CN 201199256 Y CN201199256 Y CN 201199256Y CN U2008200745584 U CNU2008200745584 U CN U2008200745584U CN 200820074558 U CN200820074558 U CN 200820074558U CN 201199256 Y CN201199256 Y CN 201199256Y
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Abstract
The utility model discloses an electrolytic capacitor high frequency heavy current tester which comprises a power supply, a control panel, a voltage/current display panel and an electrolytic capacitor interface. The power supply provides power to the whole circuit module and the control panel outputs signals to the voltage/current display panel; the control panel comprises an oscillating circuit used for generating alternating voltage, a waveform adjusting circuit used for generating opposite control signals, a driving circuit and a charging and discharging circuit used for providing a charging loop and a discharging loop; the oscillating circuit, the waveform adjusting circuit, the driving circuit and the charging and discharging circuit are connected in sequence. The electrolytic capacitor high frequency heavy current tester aims at conducting a test on the service life of an electrolytic capacitor and simulates the actual application of a high-capacity electrolytic capacitor, has simple design functions, high pertinence, low price, high testing efficiency, high precision, good stability and strong anti-jamming performance and is suitable for being used in a workshop or during a test.
Description
Technical field
The utility model relates to a kind of checkout equipment of electronic applications, relates in particular to a kind of instrument that is used to detect the electrochemical capacitor performance parameters.
Background technology
Electrochemical capacitor is an element crucial in the controller, and the quality of quality has influence on the job stability of controller, need carry out strict test to its quality.The actual working environment of power unit electrochemical capacitor discharges and recharges operation with bigger electric current to electrochemical capacitor in the tester analog controller circuit, observes changes in capacitance and life-span.The conducting order of control circuit discharges and recharges testing capacitance, simulates its actual working environment, observes capacitance voltage and current variation during this simultaneously, tests the serviceable life of testing capacitance with this understanding.The both ends of power of controller is parallel with two high capacity electrochemical capacitors (representative value is 470 μ F*2), is consumable accessory, and the quality of electrochemical capacitor has a direct impact the reliability of controller.Its electric current that discharges and recharges is the big electric current of ampere level (even tens amperes), and frequency is up to 20KHz.This is just higher to this electrochemical capacitor quality requirements, not fragile, requires this electrochemical capacitor in other words under the condition of big electric current fast charging and discharging, relatively " sturdy ".
Electrochemical capacitor tester of the prior art is under little current low voltage condition, test the degree of its " sturdy ", can not reflect the performance of in our controller actual environment, using, meaningless substantially, and the design technology complexity, the instrument volume very much not is convenient for carrying.The spread in performance of each electrochemical capacitor producer supply product is uneven, needs us to design a " electrochemical capacitor high frequency large current density electric tester " with strong points, to detect " endurance " degree of electrochemical capacitor.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of electrochemical capacitor high frequency high-current test instrument is provided.
The utility model solves its technical matters and takes following technical scheme to realize: comprising: power supply, control panel, voltage/current display panel, electrochemical capacitor interface, described power supply is powered to the entire circuit module, and described control panel outputs signal to described voltage/current display panel; Described control panel comprises that one is used to produce the oscillatory circuit of alternating voltage, a Waveform adjusting circuit that is used to produce opposite control signal, a driving circuit and a charge-discharge circuit that is used to provide charge circuit and discharge loop, and described oscillatory circuit, Waveform adjusting circuit, driving circuit and charge-discharge circuit are connected successively.
Described oscillatory circuit is by a comparer U1A, a diode D1, three capacitor C 15, C22, C25, five resistance R 9, R10, R11, R12, R23 form, 2 pin of the described comparer U1A of a termination after described capacitor C 15, the C22 parallel connection, provide voltage, other end ground connection for 2 pin of comparer U1A; The end of the 3 pin connecting resistance R10 of comparer U1A, the other end ground connection of resistance R 10; Resistance R 11 and 2 pin of a termination comparer U1A in parallel again after diode D1 connects, 1 pin of another termination comparer U1A with resistance R 23; Resistance R 9 one termination power voltages, the end of other end connecting resistance R12,1 pin of another termination comparer U1A of resistance R 12; Capacitor C 25 is connected across between 4 pin and 8 pin of comparer U1A.
Described Waveform adjusting circuit is by one or a U2A, one and a door U3A, two capacitor C 16, (C17), two resistance R 19, R20 form, described or door U2A1 pin with resistance R 19 1 ends, link to each other an end of resistance R 19 another terminations or a U2A2 pin and capacitor C 16, the other end ground connection of capacitor C 16 with door U3A1 pin, link to each other with 1 pin of comparer U1A with door U3A1 pin, link to each other with resistance (R20) end with door U3A2 pin.
Described driving circuit is made up of 7 triodes, five resistance, two electric capacity, triode Q1, Q2 form mirror current source, the collector of the collector connecting transistor Q5 of triode Q1, the emitter of triode Q5 connects 3 pin with door U2A, the base stage of triode Q5 connects an end of capacitor C 26, other end ground connection; Triode Q13 emitter gets emitter with triode Q12 and links to each other, and triode Q13 base stage links to each other respectively with 3 pin of door U3A with the base stage of triode Q12; Triode Q3 emitter links to each other with the emitter of triode Q4, and triode Q3 base stage links to each other with the collector of triode Q2, an end of resistance R 13 respectively with the base stage of triode Q4.
Described charge-discharge circuit is by four power tubes, nine electric capacity, and seven resistance are formed, and described four power tubes are formed power bridge, are used for producing the charging and discharging circuit of testing capacitance; Power tube Q6, Q8 are last bridge, be used for electric capacity is charged, power tube Q7, Q9 are following bridge, be used for to capacitor discharge, the drain electrode of a termination power tube Q6 after capacitor C 1, C8, the C11 parallel connection, other end ground connection, the termination triode Q3 of resistance R 3, R4, the emitter of Q4, the base stage of another termination power tube Q6 of resistance R 3, the base stage of another termination power tube Q8 of resistance R 4, the termination triode Q12 of resistance R 6, R7, the emitter of Q13, the drain electrode of a termination power tube Q8 after capacitor C 2, C9, C12, C5, C6, C7, the resistance R parallel connection, other end ground connection.
Described current/voltage display panel is made of simulating signal display screen or digital signal display screen.
The alternate conduction of bridge up and down of electrochemical capacitor high frequency high-current test instrument power controlling bridge of the present utility model, and adjust time of conducting separately, constitute the charging and the discharge loop of testing capacitance, testing capacitance is discharged and recharged, simulate its actual working environment, observe capacitance voltage and current variation during this simultaneously, the serviceable life of testing testing capacitance under this condition.
The utility model compared with prior art has significant advantage and beneficial effect, is embodied in the following aspects:
1. electrochemical capacitor high frequency high-current test instrument of the present utility model is satisfying under the condition of design concept working stability.Key is the opening time of bridge about the control control, guarantees conducting simultaneously at one time, and opens and turn-off operation for power tube reserves adequate time.The control of time use or door and with door and resistance capacitance, and use same frequency to adjust, synchronism is good, these devices are stable work in work in bigger temperature range and on the long time, thereby has guaranteed the stability of control signal.
2. electrochemical capacitor high frequency high-current test instrument power output of the present utility model is withstand voltage with power tube, good heat resistance, and leakage current is little.
3. electrochemical capacitor high frequency high-current test instrument of the present utility model has been taked effective cooling measure, uses big heat radiator, installs fan additional, uses two-way output to flow through the electric current of each power tube with minimizing.
4. electrochemical capacitor high frequency high-current test instrument of the present utility model is only at detecting the serviceable life of electrochemical capacitor, and design function is simple, and is with strong points, and price is low.
5. electrochemical capacitor high frequency high-current test instrument fabrication technique of the present utility model is simple, and volume is little, and is in light weight, is easy to carry about with one.
Description of drawings
Fig. 1 is a process flow diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
Embodiment
Narrate below in conjunction with physical circuit figure given in the accompanying drawing the technical solution of the utility model is described in detail.
Referring to Fig. 1
The utility model comprises: power supply, control panel, voltage/current display panel, electrochemical capacitor interface, described power supply are powered to the entire circuit module, and described control panel outputs signal to described voltage/current display panel; Described control panel comprises that one is used to produce the oscillatory circuit of alternating voltage, a Waveform adjusting circuit that is used to produce opposite control signal, a driving circuit and a charge-discharge circuit that is used to provide charge circuit and discharge loop, and described oscillatory circuit, Waveform adjusting circuit, driving circuit and charge-discharge circuit are connected successively.
The alternate conduction of bridge up and down of electrochemical capacitor high frequency high-current test instrument power controlling bridge of the present utility model, and adjust time of conducting separately, constitute the charging and the discharge loop of testing capacitance, testing capacitance is discharged and recharged, simulate its actual working environment, observe capacitance voltage and current variation during this simultaneously, the serviceable life of testing testing capacitance under this condition.
Described oscillatory circuit is by a comparer U1A, a diode D1, three capacitor C 15, C22, C25, five resistance R 9, R10, R11, R12, R23 form, 2 pin of the described comparer U1A of a termination after described capacitor C 15, the C22 parallel connection, provide voltage, other end ground connection for 2 pin of comparer U1A; The end of the 3 pin connecting resistance R10 of comparer U1A, the other end ground connection of resistance R 10; Resistance R 11 and 2 pin of a termination comparer U1A in parallel again after diode D1 connects, 1 pin of another termination comparer U1A with resistance R 23; Resistance R 9 one termination power voltages, the end of other end connecting resistance R12,1 pin of another termination comparer U1A of resistance R 12; Capacitor C 25 is connected across between 4 pin and 8 pin of comparer U1A.Utilize comparer output square-wave signal in the operational amplifier, in-phase input end is a stable voltage, and inverting input utilizes the RC oscillatory circuit, produces alternating voltage.
Described Waveform adjusting circuit is by one or a U2A, one and a door U3A, two capacitor C 16, (C17), two resistance R 19, R20 form, described or door U2A1 pin with resistance R 19 1 ends, link to each other an end of resistance R 19 another terminations or a U2A2 pin and capacitor C 16, the other end ground connection of capacitor C 16 with door U3A1 pin, link to each other with 1 pin of comparer U1A with door U3A1 pin, link to each other with resistance (R20) end with door U3A2 pin.Or door, be used for producing opposite control signal with door, control the power tube conducting order and the time of rear end, utilize complementary power driving circuit to carry out power tube and drive.
Described driving circuit is made up of 7 triodes, five resistance, two electric capacity, triode Q1, Q2 form mirror current source, the collector of the collector connecting transistor Q5 of triode Q1, the emitter of triode Q5 connects 3 pin with door U2A, the base stage of triode Q5 connects an end of capacitor C 26, other end ground connection; Triode Q13 emitter gets emitter with triode Q12 and links to each other, and triode Q13 base stage links to each other respectively with 3 pin of door U3A with the base stage of triode Q12; Triode Q3 emitter links to each other with the emitter of triode Q4, and triode Q3 base stage links to each other with the collector of triode Q2, an end of resistance R 13 respectively with the base stage of triode Q4.
Described charge-discharge circuit is by four power tubes, nine electric capacity, and seven resistance are formed, and described four power tubes are formed power bridge, are used for producing the charging and discharging circuit of testing capacitance; Power tube Q6, Q8 are last bridge, be used for electric capacity is charged, power tube Q7, Q9 are following bridge, be used for to capacitor discharge, the drain electrode of a termination power tube Q6 after capacitor C 1, C8, the C11 parallel connection, other end ground connection, the termination triode Q3 of resistance R 3, R4, the emitter of Q4, the base stage of another termination power tube Q6 of resistance R 3, the base stage of another termination power tube Q8 of resistance R 4, the termination triode Q12 of resistance R 6, R7, the emitter of Q13, the drain electrode of a termination power tube Q8 after capacitor C 2, C9, C12, C5, C6, C7, the resistance R parallel connection, other end ground connection.Power bridge is used for producing the charging and discharging circuit of testing capacitance, last bridge is used for electric capacity is charged, following bridge is used for discharging, bridge can not be opened simultaneously up and down, and voltage table shows the variation of capacitance cathode voltage, links to each other with capacitance cathode by resistance, electric capacity negative pole connecting resistance links to each other with ground, electric current shows gathers the electric capacity cathode voltage, utilizes bridge rectifier again after amplifying through operational amplifier, is added in the parallel circuit of pull-up resistor and reometer composition.Resistance is used for adjusting electric current in the reometer circuit.
Described current/voltage display panel is made of simulating signal display screen or digital signal display screen.
Reliability of the present utility model is satisfying under the condition of design concept working stability.Key is the opening time of bridge about the control control, guarantees conducting simultaneously at one time, and opens and turn-off operation for power tube reserves adequate time.The control of time uses or door, with door and resistance capacitance, and use same frequency to adjust, synchronism is good, these devices are stable work in work in bigger temperature range and on the long time, thereby has guaranteed the stability of control signal.Power output is withstand voltage with power tube, good heat resistance, and leakage current is little.And taked effective cooling measure, and use big heat radiator, install fan additional.Use two-way output to flow through the electric current of each power tube with minimizing.
Utilize technical scheme described in the utility model, or those skilled in the art designing the similar techniques scheme under the inspiration of technical solutions of the utility model, and reach above-mentioned technique effect, all is to fall into protection domain of the present utility model.
Claims (6)
1. electrochemical capacitor high frequency high-current test instrument, comprising: power supply, control panel, voltage/current display panel, electrochemical capacitor interface, described power supply are powered to the entire circuit module, and described control panel outputs signal to described voltage/current display panel; It is characterized in that: described control panel comprises that one is used to produce the oscillatory circuit of alternating voltage, a Waveform adjusting circuit that is used to produce opposite control signal, a driving circuit and a charge-discharge circuit that is used to provide charge circuit and discharge loop, and described oscillatory circuit, Waveform adjusting circuit, driving circuit and charge-discharge circuit are connected successively.
2. electrochemical capacitor high frequency high-current test instrument as claimed in claim 1, it is characterized in that: described oscillatory circuit is by a comparer (U1A), a diode (D1), three electric capacity (C15), (C22), (C25), five resistance (R9), (R10), (R11), (R12), (R23) form, 2 pin of described electric capacity (C15), (C22) the back in parallel described comparer of one termination (U1A) provide voltage, other end ground connection for 2 pin of comparer (U1A); One end of 3 pin connecting resistances (R10) of comparer (U1A), the other end ground connection of resistance (R10); Resistance (R11) and 2 pin of a termination comparer (U1A) in parallel again after diode (D1) is connected, 1 pin of another termination comparer (U1A) with resistance (R23); Resistance (R9) termination power voltage, an end of other end connecting resistance (R12), 1 pin of another termination comparer (U1A) of resistance (R12); Electric capacity (C25) is connected across between 4 pin and 8 pin of comparer (U1A).
3. electrochemical capacitor high frequency high-current test instrument as claimed in claim 1, it is characterized in that: described Waveform adjusting circuit is by one or (U2A), one and door (U3A), two electric capacity (C16), (C17), two resistance (R19), (R20) form, described or door (U2A) 1 pin and resistance (R19) end, link to each other with door (U3A) 1 pin, one end of another termination of resistance (R19) or door (U2A) 2 pin and electric capacity (C16), the other end ground connection of electric capacity (C16), link to each other with 1 pin of comparer (U1A) with door (U3A) 1 pin, link to each other with resistance (R20) end with door (U3A) 2 pin.
4. electrochemical capacitor high frequency high-current test instrument as claimed in claim 1, it is characterized in that: described driving circuit is made up of 7 triodes, five resistance, two electric capacity, triode (Q1), (Q2) form mirror current source, the collector of the collector connecting transistor (Q5) of triode (Q1), the emitter of triode (Q5) connects 3 pin with door (U2A), the base stage of triode (Q5) connects an end of electric capacity (C26), other end ground connection; Triode (Q13) emitter and triode (Q12) emitter links to each other, the base stage of triode (Q13) base stage and triode (Q12) links to each other with 3 pin with door (U3A) respectively; Triode (Q3) emitter links to each other with the emitter of triode (Q4), and triode (Q3) base stage links to each other with the collector of triode (Q2), an end of resistance (R13) respectively with the base stage of triode (Q4).
5. electrochemical capacitor high frequency high-current test instrument as claimed in claim 1, it is characterized in that: described charge-discharge circuit is by four power tubes, nine electric capacity, and seven resistance are formed, described four power tubes are formed power bridge, are used for producing the charging and discharging circuit of testing capacitance; Power tube (Q6), (Q8) be last bridge, be used for electric capacity is charged, power tube (Q7), (Q9) be following bridge, be used for to capacitor discharge, electric capacity (C1), (C8), (C11) drain electrode of parallel connection back one termination power tube (Q6), other end ground connection, resistance (R3), (R4) a termination triode (Q3), (Q4) emitter, the base stage of another termination power tube (Q6) of resistance (R3), the base stage of another termination power tube (Q8) of resistance (R4), resistance (R6), (R7) a termination triode (Q12), (Q13) emitter, electric capacity (C2), (C9), (C12), (C5), (C6), (C7), the drain electrode of resistance (R) back in parallel one termination power tube (Q8), other end ground connection.
6. electrochemical capacitor high frequency high-current test instrument as claimed in claim 1, it is characterized in that: described current/voltage display panel is made of simulating signal display screen or digital signal display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200745584U CN201199256Y (en) | 2008-04-26 | 2008-04-26 | Electrolytic capacitor high-frequency great current tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200745584U CN201199256Y (en) | 2008-04-26 | 2008-04-26 | Electrolytic capacitor high-frequency great current tester |
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| CN201199256Y true CN201199256Y (en) | 2009-02-25 |
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| CNU2008200745584U Expired - Fee Related CN201199256Y (en) | 2008-04-26 | 2008-04-26 | Electrolytic capacitor high-frequency great current tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914325A (en) * | 2012-04-27 | 2015-09-16 | 上海三菱电梯有限公司 | Capacitor group internal connection mode identification and parameter setting method |
| CN105676937A (en) * | 2016-01-21 | 2016-06-15 | 广州金升阳科技有限公司 | Ripple current generating circuit |
| CN105676936A (en) * | 2016-01-21 | 2016-06-15 | 广州金升阳科技有限公司 | Ripple current generating circuit |
| CN108061846A (en) * | 2017-12-22 | 2018-05-22 | 浙江八达电子仪表有限公司 | A kind of frock of the resistance to tested person of electrolytic capacitor surge voltage |
-
2008
- 2008-04-26 CN CNU2008200745584U patent/CN201199256Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914325A (en) * | 2012-04-27 | 2015-09-16 | 上海三菱电梯有限公司 | Capacitor group internal connection mode identification and parameter setting method |
| CN104914325B (en) * | 2012-04-27 | 2017-07-11 | 上海三菱电梯有限公司 | Capacitor set internal connection mode identification and parameter setting method |
| CN105676937A (en) * | 2016-01-21 | 2016-06-15 | 广州金升阳科技有限公司 | Ripple current generating circuit |
| CN105676936A (en) * | 2016-01-21 | 2016-06-15 | 广州金升阳科技有限公司 | Ripple current generating circuit |
| CN105676936B (en) * | 2016-01-21 | 2017-03-22 | 广州金升阳科技有限公司 | Ripple current generating circuit |
| CN105676937B (en) * | 2016-01-21 | 2017-03-22 | 广州金升阳科技有限公司 | Ripple current generating circuit |
| CN108061846A (en) * | 2017-12-22 | 2018-05-22 | 浙江八达电子仪表有限公司 | A kind of frock of the resistance to tested person of electrolytic capacitor surge voltage |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090225 Termination date: 20130426 |