CN103094967B - A kind of secondary cell checkout gear with energy-saving charging circuit - Google Patents
A kind of secondary cell checkout gear with energy-saving charging circuit Download PDFInfo
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- CN103094967B CN103094967B CN201310042564.7A CN201310042564A CN103094967B CN 103094967 B CN103094967 B CN 103094967B CN 201310042564 A CN201310042564 A CN 201310042564A CN 103094967 B CN103094967 B CN 103094967B
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Abstract
The present invention relates to a kind of secondary cell checkout gear with energy-saving charging circuit, comprise secondary cell, charging circuit and Switching Power Supply, described Switching Power Supply by charging circuit to secondary cell charge, described charging circuit parallel connection is provided with linear optical coupling voltage follow control circuit, the output voltage of Switching Power Supply directly determines by the voltage at battery two ends, and the pressure drop on charge power pipe is the minimum voltage of holding circuit. When cell voltage is during in low side, on charge power pipe, do not have extra power attenuation, reach an energy-conservation effect. Pressure drop on power tube is low, and power is little, can protect power tube, and also can greatly extend service life, and the secondary cell that is applicable to power battery charging circuit detects.
Description
Technical field
The present invention relates to secondary cell checkout gear technical field, especially a kind of being used for is with on electrokinetic cellThere is the secondary cell checkout gear of energy-saving charging circuit.
Background technology
At present, along with scientific and technical development development, the demand of chemical energy source is also continuing to increase,Battery is applied as a kind of new forms of energy product that got more and more. The same charging again after having discharged of battery, followsRing uses and is called secondary cell. Secondary cell is not only at the bottom of cost, and recovery utilization rate is high, has saved resource, thereforeThe utilization again of secondary cell is extensively paid attention to, and meanwhile, the checkout gear of secondary cell charges and discharge as secondary cellThe requisite a kind of device of electricity.
At present, the secondary cell checkout gear mostly using, in the time of charging, the power supply of charging is directly cutThe highest magnitude of voltage, then consumes unnecessary energy consumption by the power tube of constant current part, causes power consumption, electricityRoad is often also unstable. Some checkout gears that even have with long afterwards, cause also can to enterprise, user in the timeUnnecessary loss.
As China Patent Publication No. CN2758788Y, utility model name be called for secondary cell detectCharge and discharge device, this device comprises that mutual series connection is to form the dc source of discharge loop, the first battery/batteryGroup and protection circuit breaker, described the first battery/battery pack is exactly detected secondary cell, it is characterized in that:Also comprise that electric energy reclaims reforming unit, thus it with protect that circuit breaker is in parallel is also series in charge circuit. These are two years oldThe charge and discharge device that primary cell detects is while charging to secondary cell, and chemical energy can not can not in the time of electric discharge for batteryBy pure resistance with dissipation of heat in environment, but the electric energy that when electric discharge emits is directly drawn to electric energy and is reclaimedReforming unit, energy can not lose like this, and maintained environment temperature, has also protected the steady of components and parts on equipmentQualitative, maintenance cost has been fallen. But the circuit of this device is too simple, for the detection of secondary cell also notCan well be ensured, and in to powerful circuit, security performance can not ensure, when charging, also canWaste much electricity.
Summary of the invention
The present invention provides a kind of safety of the use with charging circuit, maintenance side in order to address the above problemJust the device that, energy-conservation secondary cell detects.
In order to address the above problem, the technical solution used in the present invention is: a kind of with energy-saving charging circuitSecondary cell checkout gear, comprises secondary cell, charging circuit and Switching Power Supply, and described Switching Power Supply is by fillingElectricity circuit is to secondary cell charge, and described charging circuit parallel connection is provided with linear optical coupling voltage follow control circuit.
In order more preferably to detect secondary cell both end voltage to Switching Power Supply, described linear optical coupling electricityPressure is followed control circuit and is comprised discharge circuit and linear circuit, and described discharge circuit comprises follows transport and placing device, reverseAdder, reverse follower, described linear circuit comprises linear optical coupling buffer circuit, described in follow transport and placing device and connectReceive reverse adder, described reverse adder is connected to reverse follower, and oppositely follower is connected toLinear optical coupling buffer circuit.
In order to obtain faster desired voltage, described in follow transport and placing device and be connected with prime potentiometer, oppositely addMusical instruments used in a Buddhist or Taoist mass is connected with rear class potentiometer, can obtain different voltage by adjusting prime potentiometer and rear class potentiometer.
In order further to obtain faster desired voltage, described prime potentiometer be connected with resistance and with electricityAppearance is connected in parallel, and described rear class potentiometer is connected with mu balanced circuit,
In order to illustrate further the effect of mu balanced circuit, described this mu balanced circuit comprises voltage-stabiliser tube and resistance, described steadyPressure pipe contact resistance, described resistance one end is connected with rear class potentiometer.
For buffer circuit effect, described linear optical coupling buffer circuit comprise linear isolation prime transport and placing device,Linear optical coupling and linear isolation rear class transport and placing device.
In order to further illustrate buffer circuit effect, described sexual isolation prime transport and placing device is connected to linear optical coupling,Institute's linear optical coupling is connected to linear isolation rear class transport and placing device.
In order to further illustrate the characteristic of linear optical coupling, described linear optical coupling is a current drive-type device.
Of the present invention producing effect is: the output voltage of Switching Power Supply directly determines by the voltage at battery two ends,Pressure drop on charge power pipe is all the minimum voltage of holding circuit. When cell voltage is during in low side, charging meritOn rate pipe, do not have extra power attenuation, reach energy-conservation effect. Meanwhile, because the pressure drop on power tube is low,Power is little, can well protect power tube, and also can greatly extend service life.
Brief description of the drawings
Fig. 1 is the structural representation of the secondary cell checkout gear with energy-saving charging circuit of the present invention;
Fig. 2 is that the linear optical coupling voltage in the secondary cell checkout gear with energy-saving charging circuit of the present invention is followedWith control circuit schematic diagram;
Fig. 3 is the linear optical coupling buffer circuit of the secondary cell checkout gear with energy-saving charging circuit of the present inventionSchematic diagram;
Fig. 4 is the discharge circuit figure of the secondary cell checkout gear with energy-saving charging circuit of the present invention;
Fig. 5 is the linear circuit figure of the secondary cell checkout gear with energy-saving charging circuit of the present invention;
In figure: 1-secondary cell, 2-charging circuit, 3-linear optical coupling voltage follow control circuit, 31-follow transport and placing device,32-prime potentiometer, the reverse adder of 33-, 34-rear class potentiometer, 35-mu balanced circuit, the reverse follower of 36-,37-linear optical coupling is after circuit, 371-linear isolation prime transport and placing device, 372-linear optical coupling, 373-linear isolationLevel transport and placing device, 6-discharge circuit, 7-linear circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing to the secondary cell checkout gear with energy-saving charging circuit of the present invention do intoOne step describes in detail:
As shown in Figure 1: a kind of secondary cell checkout gear with energy-saving charging circuit of the present invention, comprises secondaryBattery 1, charging circuit 2 and Switching Power Supply 4, Switching Power Supply 4 fills to secondary cell 1 by charging circuit 2Electricity, then removed to detect the voltage at secondary cell two ends by linear optical coupling voltage follow control circuit 3, the electricity obtainingPressure feeds back to Switching Power Supply 4. In the time detecting that the voltage at secondary cell 1 two ends changes, Switching Power Supply 4 alsoCan be to the charging voltage of secondary cell 1 along with change.
As shown in Figure 2: linear optical coupling voltage follow control circuit 3 comprises discharge circuit 6 and linear circuit 7,Resistance R1Be connected with prime potentiometer 32 and follow transport and placing device 31, being connected with oppositely by following transport and placing device 31Adder 33, rear class potentiometer 34, reverse follower 36 and mu balanced circuit 35, then by reverse follower36 are connected to linear optical coupling buffer circuit 37. Finally, be connected with respectively resistance R12And capacitor C7。
As shown in Figure 3: linear optical coupling buffer circuit 37, comprises linear isolation prime transport and placing device 371, lineProperty optocoupler 372 and linear isolation rear class transport and placing device 373, and linear isolation prime transport and placing device 371 is first connected toLinear optical coupling 372, then be connected to linear isolation rear class transport and placing device 373 by linear optical coupling 372.
As shown in Figure 4: when the voltage U of the secondary cell 1 collecting0Pass through resistance R1, resistance R2WithAfter prime potentiometer 32 dividing potential drops, pass through resistance R4Enter into and follow transport and placing device 31, obtain a voltage U1, canChange the resistance of prime potentiometer 32 to voltage U1Finely tune; And follow transport and placing device 31 and pass through resistance R5Be connected with an anti-phase adder 33, by this circuit, in the voltage U of original collection1On basis, add oneFixing magnitude of voltage U2, can regulate this voltage U by changing rear class potentiometer 342The size of value. AndRear class potentiometer 34 one end are connected with switch S1, and switch S1Be conducting under normal circumstances, also can changeSwitch S1State adjust rear class potentiometer 34 and change voltage U2. Owing to transporting through anti-phase adder 33After electric discharge road, the negative voltage U obtaining3. Finally, pass through R13Be connected with anti-phase follower 36,Export a positive voltage U that absolute value is constant4。
As shown in Figure 5: as the positive voltage U of output4First pass through resistance R14Be sent to linear isolation prime fortunePut device 371, obtain a voltage U5. Output to linear isolation rear class transport and placing device by linear optical coupling 372 again373 through resistance R12Export a voltage U6, finally this voltage U6Send Switching Power Supply 4 to. AndAnd the voltage U of input4With output and voltage U6Be linear transformation relation, simultaneously resistance R14And resistance R15'sResistance is identical, can make the voltage U of input4Voltage U with output6For 1:1 relation.
Claims (4)
1. the secondary cell checkout gear with energy-saving charging circuit, comprise secondary cell, charging circuit and Switching Power Supply, described Switching Power Supply by charging circuit to secondary cell charge, it is characterized in that: described charging circuit parallel connection is provided with linear optical coupling voltage follow control circuit, described linear optical coupling voltage follow control circuit comprises discharge circuit and linear circuit, described discharge circuit comprises follows transport and placing device, oppositely adder, oppositely follower, described linear circuit comprises linear optical coupling buffer circuit, the described transport and placing device of following is connected to reverse adder, described reverse adder is connected to reverse follower, oppositely follower is connected to linear optical coupling buffer circuit,
The described transport and placing device of following is connected with prime potentiometer, and oppositely adder is connected with rear class potentiometer; Described prime potentiometer is connected with resistance and is connected with Capacitance parallel connection, and described rear class potentiometer is connected with mu balanced circuit.
2. the secondary cell checkout gear with energy-saving charging circuit according to claim 1, is characterized in that: described mu balanced circuit comprises voltage-stabiliser tube and resistance, described voltage-stabiliser tube contact resistance, and described resistance one end is connected with rear class potentiometer.
3. the secondary cell checkout gear with energy-saving charging circuit according to claim 1, is characterized in that: described linear optical coupling buffer circuit comprises linear isolation prime transport and placing device, linear optical coupling and linear isolation rear class transport and placing device; Described linear isolation prime transport and placing device is connected to linear optical coupling, and described linear optical coupling is connected to linear isolation rear class transport and placing device.
4. the secondary cell checkout gear with energy-saving charging circuit according to claim 3, is characterized in that: described linear optical coupling is a current drive-type device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042564.7A CN103094967B (en) | 2013-02-04 | 2013-02-04 | A kind of secondary cell checkout gear with energy-saving charging circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042564.7A CN103094967B (en) | 2013-02-04 | 2013-02-04 | A kind of secondary cell checkout gear with energy-saving charging circuit |
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| Publication Number | Publication Date |
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| CN103094967A CN103094967A (en) | 2013-05-08 |
| CN103094967B true CN103094967B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310042564.7A Active CN103094967B (en) | 2013-02-04 | 2013-02-04 | A kind of secondary cell checkout gear with energy-saving charging circuit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103501035B (en) * | 2013-10-18 | 2016-07-13 | 郭春华 | A kind of ultracapacitor charging system and charging method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2718594Y (en) * | 2004-04-14 | 2005-08-17 | 金巨宝 | Switching device for inverter battery voltage measurement |
| CN2758788Y (en) * | 2004-12-28 | 2006-02-15 | 比亚迪股份有限公司 | Charging and discharging device for testing secondary battery |
| CN203193302U (en) * | 2013-02-04 | 2013-09-11 | 广州市晨威电子科技有限公司 | Secondary battery detection device with energy-saving charging circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2614574A1 (en) * | 2010-09-07 | 2013-07-17 | Brusa Elektronik AG | Method and cell monitoring unit for monitoring a rechargeable battery |
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- 2013-02-04 CN CN201310042564.7A patent/CN103094967B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2718594Y (en) * | 2004-04-14 | 2005-08-17 | 金巨宝 | Switching device for inverter battery voltage measurement |
| CN2758788Y (en) * | 2004-12-28 | 2006-02-15 | 比亚迪股份有限公司 | Charging and discharging device for testing secondary battery |
| CN203193302U (en) * | 2013-02-04 | 2013-09-11 | 广州市晨威电子科技有限公司 | Secondary battery detection device with energy-saving charging circuit |
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| CN103094967A (en) | 2013-05-08 |
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