CN104730438A - Capacitor implosion and sparking detection device and system - Google Patents
Capacitor implosion and sparking detection device and system Download PDFInfo
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Abstract
The invention relates to a capacitor implosion and sparking detection device and system. The device comprises a voltage detection unit, an AD conversion unit, a single-chip microcomputer, a data storage unit, a data transmission unit, an upper computer and a power supply module unit, wherein the voltage detection unit is connected with the single-chip microcomputer through the AD conversion unit, the data storage unit is connected with the single-chip microcomputer, the single-chip microcomputer is connected with the upper computer through the data transmission unit, the upper computer is used for sending control information to the single-chip microcomputer through the data transmission unit and receiving signals output by the single-chip microcomputer through the data transmission unit, and the AD conversion unit, the single-chip microcomputer, the data storage unit and the data transmission unit are all connected with the power supply module unit and supplied with power by the power supply module unit. The device can effectively detect whether implosion or sparking occurs in a capacitor and is simple in structure, convenient to use and quite stable in performance.
Description
Technical field
The present invention relates to field of capacitor manufacture, particularly relate to pick-up unit and the system of a kind of capacitor implosion and scintillation.
Background technology
Capacitor occurs that implosion and scintillation are all not timings, and because capacitor exists some production technology problems in process of production, such as plus or minus paper tinsel produces when trimming in burr, electrolytic solution or electrolytic paper containing defects such as impurity.The product that there are these defects is along with voltage constantly rises in charging process, and when reaching voltage breakdown, the electricity that capacitor stores is consumed instantaneously by point discharge between burr and paper tinsel, then internal explosion phenomenon may occur.If the very large shell of energy during implosion can be blown, directly threaten personal safety; If energy is less during implosion, appearance deformation can not be caused, even not there will be the phenomenon of paper tinsel short circuit, all likely because it is normal value and cannot detecting when this kind of defective products tests its capacity, loss, electric leakage, but continuing discharge and recharge then there will be at any time and again explodes.If the product containing impurity in electrolytic paper, in voltage rise to can unexpected scintillation during breakdown point, the electrolytic solution of flashing point also can therefore by high temperature evaporation, the electrolytic solution of normal portions is absorbed by the electrolytic paper dried up and scintillation occurs to repeat subsequently, capacitor internal pressure can increase thereupon, and repeatedly after scintillation, capacitor all can explode at any time.
Fabricated capacitors all will through overaging, sorting before dispatching from the factory, and traditional capacitor aging case and full-automatic ageing machine only carry out resistance current-limiting charge to capacitor in ageing process, do not find and sensing capacitor implosion, scintillation function.Capacitor occurs that implosion and the scintillation overwhelming majority are all in ageing process, mainly because the capacitor in aging process be first time charging and the aging required time longer, namely in high temperature environments from more than one hour to tens hours not etc., therefore the product of all implosions and scintillation all can occur in this section of operation, in view of the danger of implosion and the hidden danger of scintillation, in traditional processing technology, increase implosion and scintillation detect and be necessary very much.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to provide that a kind of have can sensing capacitor internal explosion or the capacitor implosion of scintillation function and the pick-up unit of scintillation.
For achieving the above object, the present invention adopts following technical scheme:
A pick-up unit for capacitor implosion and scintillation, comprises voltage detection unit, AD conversion unit, single-chip microcomputer, data storage cell, data transmission unit, host computer and power supply module group unit; Described voltage detection unit is connected with single-chip microcomputer by AD conversion unit, described data storage cell is connected with single-chip microcomputer, described voltage detection unit is used for the magnitude of voltage at sensing capacitor two ends, result for the treatment of the magnitude of voltage at the capacitor two ends after AD conversion cell translation, and is transferred to data storage cell and stores by described single-chip microcomputer; Described single-chip microcomputer is connected with host computer by data transmission unit, and described host computer is used for being sent control information to single-chip microcomputer by data transmission unit, and receives the signal of single-chip microcomputer output by data transmission unit; Described AD conversion unit, single-chip microcomputer, data storage cell, data transmission unit are all connected with power supply module group unit, and are powered by described power supply module.
Preferably, voltage detection unit comprises the first voltage detection unit and the second voltage detection unit, the test side of described first voltage detection unit is used for the magnitude of voltage of sensing capacitor positive pole, the output terminal of described first voltage detection unit is connected with the first input end of AD conversion unit, the test side of described second voltage detection unit is used for the magnitude of voltage of sensing capacitor negative pole, the output terminal of described second voltage detection unit is connected with the second input end of AD conversion unit, and the output terminal of described AD conversion unit is connected with single-chip microcomputer.
Preferably, described first voltage detection unit comprises resistance R0, resistance R0 ' and electric capacity C0, one end of described resistance R0 is connected with the test side of the first voltage detection unit, one end of the other end of described resistance R0, one end of resistance R0 ' and electric capacity C0 is all connected with the output terminal of the first voltage detection unit, the other end of described resistance R0 ' and the equal ground connection of the other end of electric capacity C0.
Preferably, described second voltage detection unit comprises resistance R1, resistance R2 and electric capacity C1, one end of described resistance R1 is connected with the test side of the second voltage detection unit, one end of the other end of described resistance R1, one end of resistance R2 and electric capacity C1 is all connected with the output terminal of the second voltage detection unit, the other end of described resistance R2 and the equal ground connection of the other end of electric capacity C1.
Preferably, the quantity of the first input end in described AD conversion unit is one, and the quantity of the second input end in described AD conversion unit is more than one or one, and wherein each second input end is all connected with one second voltage detection unit.
Preferably, described power supply module group unit comprises wireless power unit and wireless by electric unit, described wireless power unit is used for electromagnetic radiation-emitting energy, the described wireless electromagnetic radiation energy launched for receiving wireless power unit by electric unit, and electromagnetic radiation energy is converted into the electric energy for AD conversion unit, single-chip microcomputer, data storage cell and data transmission unit work.
Preferably, described data transmission unit is wireless data transmission unit, and this wireless data transmission unit adopts infrared communication module and upper machine communication, and is directly connected with single-chip microcomputer, to realize the signal transmission between single-chip microcomputer and host computer.
Preferably, the model of the infrared chip of described infrared communication module employing is TFDU4100.
The present invention also comprises the detection system of a kind of capacitor implosion and scintillation, it comprises pick-up unit and the aging circuit unit of a kind of capacitor implosion and scintillation, first link of described voltage detection module is connected with the charging electric shock positive pole of aging circuit unit, second link of described voltage detection module is connected with the charging electric shock negative pole of aging circuit unit, and the test side of described voltage detection module is connected with the negative pole of the capacitor in aging circuit unit.
Preferably, described aging circuit unit comprises diode D1, capacitor C1 ', thermistor R1 ' and diode D2, the positive pole of described diode D1 is connected with the charging electric shock positive pole of aging circuit unit, the negative pole of described diode D1 is connected with the positive pole of capacitor C1 ', the negative pole of described capacitor C1 ' is also connected with the positive pole of diode D2 by thermistor R1 ', and the negative pole of described diode D2 is connected with the charging electric shock negative pole of aging circuit unit.
Beneficial effect of the present invention is as follows: whether this device effectively implosion or scintillation can occur sensing capacitor, and its stable performance, structure is simple.The invention still further relates to the implosion of capacitor in detection ageing process or a system of scintillation, can on the basis not changing original ageing machine structure, direct-detection goes out the phenomenon of capacitor implosion or scintillation.
And the device in the present invention can measure the implosion of multiple capacitor or the result of scintillation effectively simultaneously, and send single-chip microcomputer to after testing result being changed by AD converter and process, result after process is transferred to data storage cell and stores, to facilitate the reading of host computer by monolithic function.And data transmission unit can carry out communication by the mode of wireless transmission and host computer, can effectively solve the problem being connected between data transmission unit with host computer and needing connecting line, more solve the problem of the isolation between the circuit board of data transmission unit and host computer, use to facilitate user.
Module group unit of simultaneously powering is wireless power unit, can solve the powerup issue of whole pick-up unit, the problem that the needs that more can solve electricity consumption part and power pack in power supply are isolated, make to use more convenient safety.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the better embodiment of the pick-up unit of a kind of capacitor implosion of the present invention and scintillation.
Fig. 2 is the circuit diagram of AD conversion unit in the pick-up unit of a kind of capacitor implosion of the present invention and scintillation.
Fig. 3 is the circuit diagram of single-chip microcomputer and data storage cell in the pick-up unit of a kind of capacitor implosion of the present invention and scintillation.
Fig. 4 is the circuit diagram of wireless power unit in the pick-up unit of a kind of capacitor implosion of the present invention and scintillation.
Fig. 5 is the wireless circuit diagram by electric unit in the pick-up unit of the present invention's a kind of capacitor implosion and scintillation.
Fig. 6 is the circuit diagram of data transmission unit in the pick-up unit of a kind of capacitor implosion of the present invention and scintillation.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further:
Refer to Fig. 1, the present invention relates to the pick-up unit of a kind of capacitor implosion and scintillation, comprise voltage detection unit, AD conversion unit, single-chip microcomputer, data storage cell, data transmission unit, host computer and power supply module group unit; Voltage detection unit is connected with single-chip microcomputer by AD conversion unit, data storage cell is connected with single-chip microcomputer, voltage detection unit is used for the magnitude of voltage at sensing capacitor two ends, result for the treatment of the magnitude of voltage at the capacitor two ends after AD conversion cell translation, and is transferred to data storage cell and stores by single-chip microcomputer; Single-chip microcomputer is connected with host computer by data transmission unit, and host computer is used for being sent control information to single-chip microcomputer by data transmission unit, and receives the signal of single-chip microcomputer output by data transmission unit; AD conversion unit, single-chip microcomputer, data storage cell, data transmission unit are all connected with power supply module group unit, and are powered by power supply module.
Wherein, voltage detection unit comprises the first voltage detection unit and the second voltage detection unit, the test side A of the first voltage detection unit is used for the magnitude of voltage of sensing capacitor positive pole, the output terminal of the first voltage detection unit is connected with the first input end of AD conversion unit, the test side B of the second voltage detection unit is used for the magnitude of voltage of sensing capacitor negative pole, the output terminal of the second voltage detection unit is connected with the second input end of AD conversion unit, and the output terminal of AD conversion unit is connected with single-chip microcomputer.The magnitude of voltage of the capacitor anode that voltage detection unit can detect by AD conversion unit and the magnitude of voltage of capacitor anode carry out digital-to-analog conversion, can supply single-chip microcomputer identification and process to make the signal after conversion.
Preferably, first voltage detection unit can comprise resistance R0, resistance R0 ' and electric capacity C0, one end of resistance R0 is connected with the test side A of the first voltage detection unit, one end of the other end of resistance R0, one end of resistance R0 ' and electric capacity C0 is all connected with the output terminal of the first voltage detection unit, the other end of resistance R0 ' and the equal ground connection of the other end of electric capacity C0.This first voltage detection unit effectively can measure the magnitude of voltage of capacitor anode, improves the accuracy detected.
Second voltage detection unit comprises resistance R1, resistance R2 and electric capacity C1, one end of resistance R1 is connected with the test side B of the second voltage detection unit, one end of the other end of resistance R1, one end of resistance R2 and electric capacity C1 is all connected with the output terminal of the second voltage detection unit, the other end of resistance R2 and the equal ground connection of the other end of electric capacity C1.This second voltage detection unit effectively can measure the magnitude of voltage of capacitor anode, improves the accuracy detected.
As shown in Figure 2, the quantity of the first input end in AD conversion unit is one, and the quantity of the second input end in AD conversion unit is more than one or one, and wherein each second input end is all connected with one second voltage detection unit.Concrete, AD conversion unit can obtain the magnitude of voltage of the negative pole of multiple capacitor, to facilitate the situation detecting multiple capacitor implosion and scintillation simultaneously.Preferably, when to test the situation of the implosion of 20 capacitors and scintillation simultaneously, the quantity of the second input end namely in AD conversion unit is 20, also need the second voltage detection unit that 20 circuit structures are identical, each second voltage detection unit detects the magnitude of voltage detecting a capacitor anode accordingly simultaneously; First input end in AD conversion unit can detect the magnitude of voltage of 20 capacitor anodes simultaneously, is limited to here when the magnitude of voltage of the positive pole of 20 capacitors is equal time.AD conversion unit comprises conversion chip, namely provides pin as first input end or the second input end by conversion chip, and conversion chip used herein is 8 select 1 multiplexer HEF4051.When needs detection 20 capacitors, AD conversion unit need comprise 3 conversion chips to provide pin, and these 3 conversion chips are conversion chip U1, conversion chip U2 and conversion chip U3.
Concrete, the pin VDD of conversion chip U1 is connected with the first output terminal VCC1 of power supply module group unit, the pin VEE of conversion chip U1 is connected with the second output terminal VCC2 of power supply module group unit, the pin INH of conversion chip U1 and pin VSS ground connection, pin A, pin B, the pin C and pin X of conversion chip U1 are all connected with single-chip microcomputer, and the pin X0 ~ pin X7 of conversion chip U1 all can be used as first input end or second input end of AD conversion unit.In like manner, the functional structure of conversion chip U2 and conversion chip U3 is all consistent with the functional structure of conversion chip U1.Preferably, the pin X0 ~ pin X7 of conversion chip U1 can be connected with the output terminal of one second voltage detection module accordingly as the second input end of AD conversion unit.Simultaneously pin X1, the pin X2 of conversion chip U2, pin X4, pin X6, pin X7 can be connected with the output terminal of one second voltage detection module accordingly as the second input end of AD conversion unit.In the pin X0 ~ pin X7 of conversion chip U3 except X3, the second input end all as AD conversion unit is connected with the output terminal of one second voltage detection module accordingly, and wherein the pin X3 of conversion chip U3 is connected with the output terminal of the first voltage detection module accordingly as the first input end of converting unit.
As shown in Figure 3, single-chip microcomputer comprises a singlechip chip U7, and the model of this singlechip chip U7 is STM32F103T8U6.Preferably, pin VDDA, the pin VDD1 of this singlechip chip U7, pin VDD2 and pin VDD3 are all connected with the voltage output end VCC of power supply module group unit.Pin VSSA, the pin VSS1 of singlechip chip U7 and the equal ground connection of pin VSS2.Pin PB3, the pin PB5 of singlechip chip U7 and pin PB7 are connected with pin A, the pin B of each conversion chip and pin C respectively accordingly.The pin X of conversion chip U1 is connected with the pin PAO-WKUP of singlechip chip U7, and the pin X of conversion chip U2 is connected with the pin PA1 of singlechip chip U7, and the pin X of conversion chip U3 is connected with the pin PB0 of singlechip chip U7.Meanwhile, data storage cell comprises storage chip U8, and the model of this storage chip U8 can be AT25DF041A.The pin VCC of storage chip U8 is connected with the voltage output end VCC of power supply module group unit.The pin GND ground connection of storage chip U8.Pin CS, the pin SO of storage chip U8, pin WP, pin SI, pin SCK and pin HOLD are connected with pin PA4, the pin PA5 of singlechip chip U7, pin PA6, pin PA7, pin PB1 and pin PB2 respectively accordingly.
Its concrete principle of work is, AD conversion module carries out digital-to-analog conversion after obtaining the magnitude of voltage at capacitor two ends, magnitude of voltage by capacitor two ends is converted to the simulating signal that can identify for singlechip chip U7, singlechip chip U7 calculates capacitor voltage at that time by the magnitude of voltage at capacitor two ends, and sends the voltage of the capacitor drawn to data storage cell and store.
As shown in Figure 4 and Figure 5, preferably, power supply module group unit can comprise wireless power unit and wireless by electric unit, wireless power unit is used for electromagnetic radiation-emitting energy, the wireless electromagnetic radiation energy launched for receiving wireless power unit by electric unit, and electromagnetic radiation energy is converted into the electric energy for AD conversion unit, single-chip microcomputer, data storage cell and data transmission unit work.Select wireless mode to power and can reduce the use of wire, not only save material, and easy to use.Certainly, power supply module group unit can also directly connect AD conversion unit, single-chip microcomputer, data storage cell and data transmission unit by wire, and is they power supplies.
Wherein, wireless power unit comprises a power supply chip U9, and this power supply chip U9 is a half-bridge driven chip, and its model can be IR2184.The pin IN of power supply chip can be connected with external signal generator.Electric capacity C38 wherein in wireless power unit and inductance L 1 form series resonance, and electromagnetic radiation energy is launched by inductance L 1.
The wireless electric capacity C45 in electric unit and the inductance L 2 of being subject to also forms resonant circuit, for receiving the electromagnetic radiation energy that in wireless power unit, inductance L 1 emits, and the electromagnetic radiation energy received is obtained generating positive and negative voltage respectively after positive and negative half-wave rectification filtering, for driving the work of AD conversion unit, single-chip microcomputer, data storage cell and data transmission unit.The the first output terminal VCC1 of module group unit of wherein powering is wireless by the first output terminal VCC1 in electric unit, and it exports can be positive 5V voltage.Second output terminal VCC2 of power supply module group unit is wireless by the second output terminal VCC2 in electric unit, and its output can be negative 5V voltage.3rd output terminal VCC3 of power supply module group unit is wireless by the 3rd output terminal VCC3 in electric unit, and its output can be positive 3.3V voltage.The wireless electric unit link D that is subject to also is connected with the pin NRST of singlechip chip U7.
Data transmission unit can be wireless data transmission unit, and certainly, data transmission unit also can be the data transmission unit of wired connection.As shown in Figure 6, preferably, wireless data transmission unit adopts infrared communication module and upper machine communication, and is directly connected with single-chip microcomputer, to realize the signal transmission between single-chip microcomputer and host computer.The model of the infrared chip U9 that infrared communication module adopts is TFDU4100.The pin IR+ of this infrared chip U9 is connected with the first output terminal VCC1 of power supply module group unit by resistance R47, and the pin IR+ of this infrared chip U9 is also by electric capacity C35 ground connection.The pin TXD of infrared chip U9 is connected with the pin PA9 of singlechip chip U7.The pin RXD of infrared chip U9 is connected with the first output terminal VCC1 of power supply module group unit by resistance R49.The pin RXD of infrared chip U9 is also connected with the pin PA10 of singlechip chip U7 by resistance R50.The pin VCC1 of infrared chip U9 is connected with the first output terminal VCC1 of power supply module group unit by resistance R48, and the pin VCC1 of infrared chip U9 is also by electric capacity C36 ground connection.The pin GND ground connection of infrared chip U9.Wherein resistance R47 is infrared transmitting tube current-limiting resistance, electric capacity C35 is that power valve moves back lotus root electric capacity, and resistance R48 provides power supply current limliting for U9 in-line power, and electric capacity C36 is that in-line power carries out moving back lotus root, resistance R49 provides pull-up for U9 output terminal, and resistance R50 is output current limiting resistance.
Its concrete principle of work is, this wireless data transmission unit and host computer carry out wireless data communications, to realize the signal transmission between host computer and single-chip microcomputer.Host computer sends order to single-chip microcomputer by data transmission unit, the voltage of each time period of the capacitor in single-chip microcomputer called data storage unit, and the data transferred are sent to host computer by data transmission unit, namely host computer can read the voltage swing of each period of capacitor, when the voltage of capacitor is undergone mutation, then can judge that the phenomenon of implosion or scintillation appears in capacitor.
Specifically as shown in Figure 1, the invention still further relates to the detection system of a kind of capacitor implosion and scintillation, it comprises pick-up unit and the aging circuit unit of a kind of capacitor implosion and scintillation, the first link A (the first link of voltage detection module is the test side of the first voltage detection unit) of voltage detection module is connected with the charging electric shock positive pole P1 of aging circuit unit, second link C of voltage detection module is connected with the charging electric shock negative pole P2 of aging circuit unit, the test side B (test side of voltage detection module is the test side of the second voltage detection unit) of voltage detection module is connected with the negative pole of the capacitor in aging circuit unit.The charging electric shock negative pole of aging circuit unit is ground connection, and namely the second link C of voltage detection module is also ground connection.
Wherein, aging circuit unit can be the part in ageing machine or apparatus for automatic aging machine, and preferably, ageing machine circuit unit is the part in apparatus for automatic aging machine here.Concrete, apparatus for automatic aging machine can comprise framed bent circuit unit, each framed bent circuit unit includes an a charging contact positive pole P1 and charging contact negative pole P2, is arranged in parallel several aging circuit unit for aging capacitor between charging contact positive pole P1 and charging contact negative pole P2.
Aging circuit unit can comprise diode D1, capacitor C1 ', thermistor R1 ' and diode D2, the positive pole of diode D1 is connected with the charging electric shock positive pole of aging circuit unit, the negative pole of diode D1 is connected with the positive pole of capacitor C1 ', the negative pole of capacitor C1 ' is also connected with the positive pole of diode D2 by thermistor R1 ', and the negative pole of diode D2 is connected with the charging electric shock negative pole of aging circuit unit.
Moreover as shown in Figure 2, in figure, V1 ~ V20 is connected respectively the negative pole of each capacitor, the pressure drop on detecting real-time thermistor.V21 is connected to charging contact positive pole P1, charging contact negative pole P2 ground connection, for calculable capacitor two ends voltage and detect charging contact whether contact well.Preferably, conversion chip U1, conversion chip U2, conversion chip U3 are 8 and select 1 multiplexer HEF4051, above 21 simulating signal ends of being correlated with the magnitude of voltage at capacitor two ends are connected to 3 AD input ports of single-chip microcomputer by three pin X of three conversion chips, such single-chip microcomputer just can control conversion chip and gather 3 tunnel simulating signals at every turn simultaneously, and the mode gathered in turn can be adopted to obtain simulating signal.
Its principle of work is, because implosion or scintillation are consume capacitor internal electricity instantaneously, learn according to electricity formula Q=UC, when electric capacity C is fixing, electricity instantaneous reduction when generation implosion or scintillation, then voltage also can reduce instantaneously, and charged electrical fails to be convened for lack of a quorum and increases rapidly, utilizes these Characteristics Detection whether implosion and scintillation occur.
Concrete, native system can obtain the magnitude of voltage (i.e. charging voltage) of charging contact positive pole P1 by the first link A of voltage detection module, the magnitude of voltage of the negative pole of capacitor can be obtained by the test side B of voltage detection module, can cause the voltage step-down of capacitor when implosion or scintillation appear in capacitor, the pressure drop that the magnitude of voltage that charging voltage here deducts capacitor anode deducts diode D1 is again exactly the voltage at capacitor two ends.If therefore time charging voltage slowly rises or stablizes unchanged or step-down, if uprising suddenly appears in the negative battery voltage of capacitor, then the defective products of this capacitor as implosion or scintillation can be judged.When for judging whether multiple capacitor is the defective products of implosion or scintillation simultaneously time, can judge according to above-mentioned principle equally.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the claims in the present invention.
Claims (10)
1. a pick-up unit for capacitor implosion and scintillation, is characterized in that: comprise voltage detection unit, AD conversion unit, single-chip microcomputer, data storage cell, data transmission unit, host computer and power supply module group unit;
Described voltage detection unit is connected with single-chip microcomputer by AD conversion unit, described data storage cell is connected with single-chip microcomputer, described voltage detection unit is used for the magnitude of voltage at sensing capacitor two ends, result for the treatment of the magnitude of voltage at the capacitor two ends after AD conversion cell translation, and is transferred to data storage cell and stores by described single-chip microcomputer;
Described single-chip microcomputer is connected with host computer by data transmission unit, and described host computer is used for being sent control information to single-chip microcomputer by data transmission unit, and receives the signal of single-chip microcomputer output by data transmission unit;
Described AD conversion unit, single-chip microcomputer, data storage cell, data transmission unit are all connected with power supply module group unit, and are powered by described power supply module.
2. the pick-up unit of capacitor implosion as claimed in claim 1 and scintillation, it is characterized in that: voltage detection unit comprises the first voltage detection unit and the second voltage detection unit, the test side of described first voltage detection unit is used for the magnitude of voltage of sensing capacitor positive pole, the output terminal of described first voltage detection unit is connected with the first input end of AD conversion unit, the test side of described second voltage detection unit is used for the magnitude of voltage of sensing capacitor negative pole, the output terminal of described second voltage detection unit is connected with the second input end of AD conversion unit, the output terminal of described AD conversion unit is connected with single-chip microcomputer.
3. the pick-up unit of capacitor implosion as claimed in claim 2 and scintillation, it is characterized in that: described first voltage detection unit comprises resistance R0, resistance R0 ' and electric capacity C0, one end of described resistance R0 is connected with the test side of the first voltage detection unit, one end of the other end of described resistance R0, one end of resistance R0 ' and electric capacity C0 is all connected with the output terminal of the first voltage detection unit, the other end of described resistance R0 ' and the equal ground connection of the other end of electric capacity C0.
4. the pick-up unit of capacitor implosion as claimed in claim 2 and scintillation, it is characterized in that: described second voltage detection unit comprises resistance R1, resistance R2 and electric capacity C1, one end of described resistance R1 is connected with the test side of the second voltage detection unit, one end of the other end of described resistance R1, one end of resistance R2 and electric capacity C1 is all connected with the output terminal of the second voltage detection unit, the other end of described resistance R2 and the equal ground connection of the other end of electric capacity C1.
5. the pick-up unit of capacitor implosion as claimed in claim 2 and scintillation, it is characterized in that: the quantity of the first input end in described AD conversion unit is one, the quantity of the second input end in described AD conversion unit is more than one or one, and wherein each second input end is all connected with one second voltage detection unit.
6. the pick-up unit of capacitor implosion as claimed in claim 1 and scintillation, it is characterized in that: described power supply module group unit comprises wireless power unit and wireless by electric unit, described wireless power unit is used for electromagnetic radiation-emitting energy, the described wireless electromagnetic radiation energy launched for receiving wireless power unit by electric unit, and electromagnetic radiation energy is converted into the electric energy for AD conversion unit, single-chip microcomputer, data storage cell and data transmission unit work.
7. the pick-up unit of capacitor implosion as claimed in claim 1 and scintillation, it is characterized in that: described data transmission unit is wireless data transmission unit, this wireless data transmission unit adopts infrared communication module and upper machine communication, and be directly connected with single-chip microcomputer, to realize the signal transmission between single-chip microcomputer and host computer.
8. the pick-up unit of capacitor implosion as claimed in claim 7 and scintillation, is characterized in that: the model of the infrared chip that described infrared communication module adopts is TFDU4100.
9. the detection system of a capacitor implosion and scintillation, it is characterized in that: the pick-up unit and the aging circuit unit that comprise a kind of capacitor implosion as claimed in claim 1 and scintillation, first link of described voltage detection module is connected with the charging electric shock positive pole of aging circuit unit, second link of described voltage detection module is connected with the charging electric shock negative pole of aging circuit unit, and the test side of described voltage detection module is connected with the negative pole of the capacitor in aging circuit unit.
10. the detection system of capacitor implosion as claimed in claim 9 and scintillation, it is characterized in that: described aging circuit unit comprises diode D1, capacitor C1 ', thermistor R1 ' and diode D2, the positive pole of described diode D1 is connected with the charging electric shock positive pole of aging circuit unit, the negative pole of described diode D1 is connected with the positive pole of capacitor C1 ', the negative pole of described capacitor C1 ' is also connected with the positive pole of diode D2 by thermistor R1 ', and the negative pole of described diode D2 is connected with the charging electric shock negative pole of aging circuit unit.
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| CN109240175A (en) * | 2018-11-01 | 2019-01-18 | 佛山市顺德区新迅电子科技有限公司 | A kind of single chip microcomputer driving circuit |
| CN110501654A (en) * | 2019-09-19 | 2019-11-26 | 深圳市众能达自动化设备有限公司 | A kind of detection device and its detection method of inside battery micro-short circuit |
| CN112433114A (en) * | 2020-11-12 | 2021-03-02 | 深圳新益昌科技股份有限公司 | Capacitor aging monitoring equipment |
| WO2021114073A1 (en) * | 2019-12-09 | 2021-06-17 | 深圳市众能达自动化设备有限公司 | Detection circuit for flash fire in capacitor or battery, and detection method therefor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136656A (en) * | 2015-09-09 | 2015-12-09 | 珠海格力新元电子有限公司 | Production line for soldering lug capacitor and detection device for soldering lug capacitor |
| CN105136656B (en) * | 2015-09-09 | 2018-04-20 | 珠海格力新元电子有限公司 | A kind of production line and its detection device of weld tabs capacitance |
| CN109240175A (en) * | 2018-11-01 | 2019-01-18 | 佛山市顺德区新迅电子科技有限公司 | A kind of single chip microcomputer driving circuit |
| CN109240175B (en) * | 2018-11-01 | 2023-10-13 | 佛山市顺德区新迅电子科技有限公司 | Singlechip drive circuit |
| CN110501654A (en) * | 2019-09-19 | 2019-11-26 | 深圳市众能达自动化设备有限公司 | A kind of detection device and its detection method of inside battery micro-short circuit |
| CN110501654B (en) * | 2019-09-19 | 2020-11-24 | 深圳市众能达自动化设备有限公司 | Detection device and detection method for micro short circuit inside battery |
| WO2021051449A1 (en) * | 2019-09-19 | 2021-03-25 | 深圳市众能达自动化设备有限公司 | Apparatus and method for detecting internal micro short circuit of battery |
| WO2021114073A1 (en) * | 2019-12-09 | 2021-06-17 | 深圳市众能达自动化设备有限公司 | Detection circuit for flash fire in capacitor or battery, and detection method therefor |
| CN112433114A (en) * | 2020-11-12 | 2021-03-02 | 深圳新益昌科技股份有限公司 | Capacitor aging monitoring equipment |
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Application publication date: 20150624 |