CN204269789U - A kind of capacity checking apparatus of rechargeable battery - Google Patents
A kind of capacity checking apparatus of rechargeable battery Download PDFInfo
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- CN204269789U CN204269789U CN201420756260.7U CN201420756260U CN204269789U CN 204269789 U CN204269789 U CN 204269789U CN 201420756260 U CN201420756260 U CN 201420756260U CN 204269789 U CN204269789 U CN 204269789U
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Abstract
The utility model relates to pick-up unit, is specifically related to a kind of capacity checking apparatus of rechargeable battery.The capacity checking apparatus of a kind of rechargeable battery of the present utility model, power supply unit is powered to CPU, display screen, detecting unit, application keying panel input information, make CPU control detecting unit to detect battery, and be numerical information the convert information detected, show on a display screen.The utility model structure is simple, and volume is little, lightweight, is convenient for carrying.
Description
Technical field
the utility model relates to pick-up unit, is specifically related to a kind of capacity checking apparatus of rechargeable battery.
Background technology
disposable battery is commonly called as battery, because after their electricity exhausts, cannot recharge use, can only abandon, disposable battery easily pollutes environment, also easily causes waste.Electric quantity of rechargeable battery is finished, and can charge, saving resource, protection of the environment.
in factory during the production of rechargeable battery, must detect rechargeable battery, guarantee the quality of rechargeable battery, the capacity checking apparatus of current rechargeable battery, volume ratio is comparatively large, and weight is also heavier, is unfavorable for carrying, and circuit structure is complicated, stability is also very poor, is unfavorable for safeguarding very much.
name is called the patent of the battery capacity pick-up unit (publication number is CN102590754) of Lithuim rechargeable battery, disclose a kind of battery capacity pick-up unit of the battery capacity for detecting Lithuim rechargeable battery, described Lithuim rechargeable battery has multiple flex point in the scope of the state-of-charge socl0% to 90% of the remaining battery capacity as Lithuim rechargeable battery, each in described flex point shows the change of correlativity between cell voltage and soc, described battery capacity pick-up unit comprises: voltage check part, for detecting cell voltage and the voltage rate of change of Lithuim rechargeable battery, flex point detection part, the voltage rate of change for detecting the Lithuim rechargeable battery detected by voltage check part exceedes the point of predetermined threshold value as flex point, current integration parts, for carrying out integration as integrated current values to the charging and discharging currents of Lithuim rechargeable battery, and battery capacity detection part, there is the capacities chart that flex point associates with battery capacity one_to_one corresponding, described battery capacity detection part is used for selecting in described flex point based on the described integrated current values obtained by described current integration parts, and for battery capacity corresponding to flex point selected by obtaining from capacities chart when flex point detection part detects flex point as the first battery capacity, and the integrated current values of the time integral of time to the cell voltage that voltage check part detects during for current integration parts are detected flex point from flex point detection part when reaching whole charging voltage of Lithuim rechargeable battery is arranged to the second battery capacity, and for calculating whole charging capacitys of Lithuim rechargeable battery.
Summary of the invention
for overcoming above-mentioned defect, namely the purpose of this utility model is to provide that a kind of volume is little, lightweight, the capacity checking apparatus of the simple rechargeable battery of structure.
the purpose of this utility model is achieved through the following technical solutions:
a capacity checking apparatus for rechargeable battery, comprises power supply unit and display screen, wherein, also comprises CPU, detecting unit and keying panel, described power supply unit is used for powering to CPU, detecting unit and display screen, described CPU is for controlling the work of detecting unit, display screen, described detecting unit is used for detecting rechargeable battery, described keying panel is used for for CPU input control selects information, shown display screen is for showing the information of rechargeable battery, described detecting unit comprises constant-current circuit, described constant-current circuit comprises the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the first swept resistance RP1, the second swept resistance RP2, sampling resistor RM1, D/A converter U1, voltage comparator U1, the first triode Q1, pliotron T1, the first diode D1, the second diode D2, the first electric capacity C1, the second electric capacity C2, the first relay J C, the second relay J F, wherein, the 6th pin output terminal of D/A converter U1 is connected with first resistance R1 one end, the other end of the first resistance R1 connects one end of the first swept resistance RP1, the other end of the first swept resistance RP1 is connected with one end of the second resistance R2, the other end of the second resistance R2 is connected with ground wire, the sliding end of the first swept resistance RP1 is connected with one end of the 3rd resistance R3, the other end of the 3rd resistance R3 is connected with the in-phase input end of voltage comparator U1, the inverting input of voltage comparator U1 and one end of the 4th resistance R4, one end of first electric capacity C1 connects, the other end of the first electric capacity C1 is connected with the output terminal of voltage comparator U1, the other end of the 4th resistance R4 and the positive pole of family of power and influence E1, one end of sampling resistor RM1, one end of second swept resistance RP2, the emitter of the first triode Q1, the collector of pliotron T1 connects, the other end of the second swept resistance RP2 is connected with one end of the 6th resistance R6, the other end of the 6th resistance R6, the negative pole of family of power and influence E1, the other end of sampling resistor RM1 is connected with ground wire, the base stage of the first triode Q1 is connected with one end of the 5th resistance R5, the other end of the 5th resistance R5 is connected with the output terminal of voltage comparator U1, the collector of the first triode Q1 is connected with the base stage of pliotron T1, the emitter of pliotron T1 and the negative electrode of the first diode D1, the negative electrode of the second diode D2 connects, the positive pole of the first diode D1 is connected with the second relay J F, the negative pole of the second relay J F and rechargeable battery, one end of second electric capacity C2 connects, the positive pole of the second diode D2 is connected with the first relay J C, the positive pole of the first relay J C and rechargeable battery, the other end of the second electric capacity C2 connects.
improve as one of the present utility model, described detecting unit comprises and also comprises charge-discharge circuit, and described charge-discharge circuit comprises the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the second triode Q2, the 3rd triode Q3, the 3rd diode Q3, the 4th diode Q4, the first power tube D1, the second power tube D2; Wherein one end of the 7th resistance R7 is connected with the base stage of the second triode Q2, the emitter of the second triode Q2 is connected with ground wire, second triode Q2 collector is connected with the negative electrode of the first power tube D1, the anode of the 3rd diode D3, the anode of the first power tube D1 is connected with one end of the 9th resistance R9, and the other end of the 9th resistance R9 is connected with the negative electrode of the 3rd diode D3; One end of 8th resistance R8 is connected with the base stage of the 3rd triode Q3, the emitter of the 3rd triode Q3 is connected with ground wire, the collector of the 3rd triode Q3 is connected with the negative electrode of the second power tube D2, the anode of the 4th diode D4, the anode of the second power tube D2 is connected with one end of the tenth resistance R10, and the other end of the tenth resistance R10 is connected with the negative electrode of the 4th diode D4.
as further improvement of the utility model, the control chip of described CPU is 89C55 single-chip microcomputer.
further improve as of the present utility model, described power supply unit comprises transformer and regulator rectifier circuit.
the capacity checking apparatus of a kind of rechargeable battery of the present utility model, power supply unit is powered to CPU, display screen, detecting unit, and application keying panel input information, makes CPU control detecting unit and detect battery, and be numerical information the convert information detected, show on a display screen.The utility model structure is simple, and volume is little, lightweight, is convenient for carrying.
Accompanying drawing explanation
for ease of illustrating, the utility model is described in detail by following preferred embodiment and accompanying drawing.
fig. 1 is schematic diagram of the present utility model;
fig. 2 is the circuit diagram of constant-current circuit of the present utility model;
fig. 3 is the circuit diagram of charge-discharge circuit of the present utility model.
Embodiment
in order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
please refer to Fig. 1 to Fig. 3, the capacity checking apparatus of a kind of rechargeable battery of the present utility model, comprise power supply unit 1, display screen 2, CPU 3, detecting unit 4 and keying panel 5, power supply unit 1 is for giving CPU 3, detecting unit 4 and display screen 5 are powered, CPU 3 is for controlling detecting unit 4, the work of display screen 5, detecting unit 4 is for detecting rechargeable battery, keying panel 5 is for selecting information for CPU 3 input control, for man-machine intercommunion platform, display screen 2 is for showing the information of rechargeable battery, detecting unit 4 comprises constant-current circuit and charge-discharge circuit, constant-current circuit comprises the first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, first swept resistance RP1, second swept resistance RP2, sampling resistor RM1, D/A converter U1, voltage comparator U1, first triode Q1, pliotron T1, first diode D1, second diode D2, first electric capacity C1, second electric capacity C2, first relay J C, second relay J F, wherein, the 6th pin output terminal of D/A converter U1 is connected with first resistance R1 one end, the other end of the first resistance R1 connects one end of the first swept resistance RP1, the other end of the first swept resistance RP1 is connected with one end of the second resistance R2, the other end of the second resistance R2 is connected with ground wire, the sliding end of the first swept resistance RP1 is connected with one end of the 3rd resistance R3, the other end of the 3rd resistance R3 is connected with the in-phase input end of voltage comparator U1, the inverting input of voltage comparator U1 and one end of the 4th resistance R4, one end of first electric capacity C1 connects, the other end of the first electric capacity C1 is connected with the output terminal of voltage comparator U1, the other end of the 4th resistance R4 and the positive pole of family of power and influence E1, one end of sampling resistor RM1, one end of second swept resistance RP2, the emitter of the first triode Q1, the collector of pliotron T1 connects, the other end of the second swept resistance RP2 is connected with one end of the 6th resistance R6, the other end of the 6th resistance R6, the negative pole of family of power and influence E1, the other end of sampling resistor RM1 is connected with ground wire, the base stage of the first triode Q1 is connected with one end of the 5th resistance R5, the other end of the 5th resistance R5 is connected with the output terminal of voltage comparator U1, the collector of the first triode Q1 is connected with the base stage of pliotron T1, the emitter of pliotron T1 and the negative electrode of the first diode D1, the negative electrode of the second diode D2 connects, the positive pole of the first diode D1 is connected with the second relay J F, the negative pole of the second relay J F and rechargeable battery, one end of second electric capacity C2 connects, the positive pole of the second diode D2 is connected with the first relay J C, the positive pole of the first relay J C and rechargeable battery, the other end of the second electric capacity C2 connects.Charge-discharge circuit comprises the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the second triode Q2, the 3rd triode Q3, the 3rd diode Q3, the 4th diode Q4, the first power tube D1, the second power tube D2; Wherein one end of the 7th resistance R7 is connected with the base stage of the second triode Q2, the emitter of the second triode Q2 is connected with ground wire, second triode Q2 collector is connected with the negative electrode of the first power tube D1, the anode of the 3rd diode D3, the anode of the first power tube D1 is connected with one end of the 9th resistance R9, and the other end of the 9th resistance R9 is connected with the negative electrode of the 3rd diode D3; One end of 8th resistance R8 is connected with the base stage of the 3rd triode Q3, the emitter of the 3rd triode Q3 is connected with ground wire, the collector of the 3rd triode Q3 is connected with the negative electrode of the second power tube D2, the anode of the 4th diode D4, the anode of the second power tube D2 is connected with one end of the tenth resistance R10, and the other end of the tenth resistance R10 is connected with the negative electrode of the 4th diode D4.The two ends of the first relay J C connect one end of the 9th resistance R9 and the negative electrode of the first power tube D1 respectively, and the two ends of the second relay J F connect one end of the tenth resistance R10 and the negative electrode of the second power tube D2 respectively.
in addition, the control chip of CPU 3 is 89C55 single-chip microcomputer, and power supply unit 1 comprises transformer and regulator rectifier circuit, and D/A converter is 7311D/A converter.
principle of work process of the present utility model:
power supply unit 1 is made up of transformer, regulator rectifier circuit, provides operating voltage electricity to respectively CPU, display screen, detecting unit, provides charge power supply and electric discharge to mend power supply to rechargeable battery; CPU 3 uses 89C55 single-chip microcomputer as control chip, and control detecting unit 4 pairs of batteries and carry out discharge and recharge, gather charging and discharging currents, cell voltage by A/D change-over circuit, single-chip microcomputer tries to achieve discharge electricity amount to the discharge current of battery and the integral operation of discharge time; Charging and discharging currents, battery charging upper limit voltage, battery discharge lower voltage limit are set by keying panel 5 and select different mode of operations, real work electric current and current tested cell voltage is detected by A/D change-over circuit, Single-chip Controlling D/A change-over circuit output voltage is to constant flow module, thus control control output current, complete the setting to output current and adjustment; Current flow, voltage and duty is shown in real time again by display screen.
constant-current circuit principle process in detecting unit 4:
single-chip microcomputer sends setting charging current value and exports corresponding charging current magnitude of voltage through 7311D/A converter U1 the 6th pin, when the anti-phase input terminal voltage value of voltage comparator U1 is less than in-phase input end, 7311D/A converter U1 the 6th pin output voltage increases, then the B electric current of pliotron T1 increases and the increase of C electrode current, this electric current produces pressure drop on sampling resistor RM1 to be increased, 7311D/A converter U1 the 2nd pin voltage is increased, when the 3rd pin of 7311D/A converter U1, the 2nd pin voltage are identical, circuit working state is stablized, and output current reaches steady state value.
charge-discharge circuit principle process in detecting unit 4:
1, charge current loop: single-chip microcomputer sends charging control signal C_CS, two or three pole, pole pipe Q2 saturation conduction, first relay J C adhesive, power supply unit 1 positive pole receives the positive pole of battery B through the first relay J C, the negative pole of battery B is through the second relay J F normal-closed end, and the first power tube D1, the 3rd triode D3, the 9th resistance R9 form charging closed loop.
, discharge current loop: single-chip microcomputer sends discharge control signal F_CS, 3rd triode Q3 saturation conduction, second relay J F adhesive, power supply unit 1 positive pole receives the negative pole of battery B through the second relay J F, the positive pole of battery B is through the first relay J C normal-closed end, and the second power tube D2, the 4th triode D4, the tenth resistance R10 form electric discharge closed loop.
the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a capacity checking apparatus for rechargeable battery, comprises power supply unit and display screen, it is characterized in that, also comprises CPU, detecting unit and keying panel, described power supply unit is used for powering to CPU, detecting unit and display screen, described CPU is for controlling the work of detecting unit, display screen, described detecting unit is used for detecting rechargeable battery, described keying panel is used for for CPU input control selects information, shown display screen is for showing the information of rechargeable battery, described detecting unit comprises constant-current circuit, described constant-current circuit comprises the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the first swept resistance RP1, the second swept resistance RP2, sampling resistor RM1, D/A converter U1, voltage comparator U1, the first triode Q1, pliotron T1, the first diode D1, the second diode D2, the first electric capacity C1, the second electric capacity C2, the first relay J C, the second relay J F, wherein, the 6th pin output terminal of D/A converter U1 is connected with first resistance R1 one end, the other end of the first resistance R1 connects one end of the first swept resistance RP1, the other end of the first swept resistance RP1 is connected with one end of the second resistance R2, the other end of the second resistance R2 is connected with ground wire, the sliding end of the first swept resistance RP1 is connected with one end of the 3rd resistance R3, the other end of the 3rd resistance R3 is connected with the in-phase input end of voltage comparator U1, the inverting input of voltage comparator U1 and one end of the 4th resistance R4, one end of first electric capacity C1 connects, the other end of the first electric capacity C1 is connected with the output terminal of voltage comparator U1, the other end of the 4th resistance R4 and the positive pole of family of power and influence E1, one end of sampling resistor RM1, one end of second swept resistance RP2, the emitter of the first triode Q1, the collector of pliotron T1 connects, the other end of the second swept resistance RP2 is connected with one end of the 6th resistance R6, the other end of the 6th resistance R6, the negative pole of family of power and influence E1, the other end of sampling resistor RM1 is connected with ground wire, the base stage of the first triode Q1 is connected with one end of the 5th resistance R5, the other end of the 5th resistance R5 is connected with the output terminal of voltage comparator U1, the collector of the first triode Q1 is connected with the base stage of pliotron T1, the emitter of pliotron T1 and the negative electrode of the first diode D1, the negative electrode of the second diode D2 connects, the positive pole of the first diode D1 is connected with the second relay J F, the negative pole of the second relay J F and rechargeable battery, one end of second electric capacity C2 connects, the positive pole of the second diode D2 is connected with the first relay J C, the positive pole of the first relay J C and rechargeable battery, the other end of the second electric capacity C2 connects.
2. the capacity checking apparatus of a kind of rechargeable battery according to claim 1, it is characterized in that, described detecting unit comprises and also comprises charge-discharge circuit, and described charge-discharge circuit comprises the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the second triode Q2, the 3rd triode Q3, the 3rd diode Q3, the 4th diode Q4, the first power tube D1, the second power tube D2; Wherein one end of the 7th resistance R7 is connected with the base stage of the second triode Q2, the emitter of the second triode Q2 is connected with ground wire, second triode Q2 collector is connected with the negative electrode of the first power tube D1, the anode of the 3rd diode D3, the anode of the first power tube D1 is connected with one end of the 9th resistance R9, and the other end of the 9th resistance R9 is connected with the negative electrode of the 3rd diode D3; One end of 8th resistance R8 is connected with the base stage of the 3rd triode Q3, the emitter of the 3rd triode Q3 is connected with ground wire, the collector of the 3rd triode Q3 is connected with the negative electrode of the second power tube D2, the anode of the 4th diode D4, the anode of the second power tube D2 is connected with one end of the tenth resistance R10, and the other end of the tenth resistance R10 is connected with the negative electrode of the 4th diode D4.
3.
the capacity checking apparatus of a kind of rechargeable battery according to claim 2, is characterized in that, the control chip of described CPU is 89C55 single-chip microcomputer.
4.
the capacity checking apparatus of a kind of rechargeable battery according to claim 3, is characterized in that, described power supply unit comprises transformer and regulator rectifier circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420756260.7U CN204269789U (en) | 2014-12-05 | 2014-12-05 | A kind of capacity checking apparatus of rechargeable battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420756260.7U CN204269789U (en) | 2014-12-05 | 2014-12-05 | A kind of capacity checking apparatus of rechargeable battery |
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| CN204269789U true CN204269789U (en) | 2015-04-15 |
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| CN201420756260.7U Active CN204269789U (en) | 2014-12-05 | 2014-12-05 | A kind of capacity checking apparatus of rechargeable battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437837A (en) * | 2017-09-15 | 2017-12-05 | 成都信息工程大学 | A kind of battery group capacity Balancing Manager |
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2014
- 2014-12-05 CN CN201420756260.7U patent/CN204269789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437837A (en) * | 2017-09-15 | 2017-12-05 | 成都信息工程大学 | A kind of battery group capacity Balancing Manager |
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Effective date of registration: 20220609 Address after: 414000 workshop 2, east side of Tianli Road, Miluo circular economy industrial park, Xinshi Town, Miluo City, Yueyang City, Hunan Province Patentee after: Hunan Tianyong Chenwei Intelligent Equipment Co.,Ltd. Address before: 414400 south of Hexin Road, East Tianli Road, Miluo circular economy industrial park, Yueyang City, Hunan Province Patentee before: HUNAN CHENWEI TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |