CN2857304Y - Charging/detecting device of accumulator - Google Patents
Charging/detecting device of accumulator Download PDFInfo
- Publication number
- CN2857304Y CN2857304Y CN 200520140232 CN200520140232U CN2857304Y CN 2857304 Y CN2857304 Y CN 2857304Y CN 200520140232 CN200520140232 CN 200520140232 CN 200520140232 U CN200520140232 U CN 200520140232U CN 2857304 Y CN2857304 Y CN 2857304Y
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- Prior art keywords
- circuit
- storage battery
- battery
- charge
- resistance
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a battery charging and detection device, comprising a power supply circuit and negative pulse charging circuit connected to other circuits; wherein, a charging control circuit connected to the battery and the negative pulse charging circuit is provided between the battery and the negative pulse charging circuit; a discharging circuit is connected to the battery as required. In above structure, a charging circuit and a discharging circuit are employed, and the negative pole of the battery is connected to earth through a field effect transistor that controls the charging current, to form a charging circuit; therefore, a variable frequency, high voltage, and heavy current pulse charging circuit is implemented, which can prevent ohmic polarization of the battery, eliminate charge accumulation resulted from electrochemical polarization, and greatly speed up desulphurization rate, and thereby improve battery charging rate. The utility model employs an oscillation scan discharging mode for discharging at the average discharging current; it determines the appropriate discharging current by controlling the field effect transistor in the discharging circuit and can detect the battery's resistance capability to heavy current, and thereby can prevent damage to the battery at continuous heavy current discharging.
Description
Technical field
The utility model relates to the DC power supply charging device, particularly a kind of charge in batteries, checkout gear.
Background technology
Along with electric motor car being extensive use of from motor-car, battery-operated motor cycle, the use amount of sealed lead acid battery in electric motor car increases day by day, battery all is several work in combination in electric motor car, after after a while, will causing wherein, the parameter of one or two battery falls behind, cause full cell set capacity to descend, influence the normal use of electric motor car, so must use charging, checkout gear these battery periodic maintenance, reparation, detection.At present, the said apparatus majority adopts the negative pulse charging technology to Battery pack charge and discharge maintenance together, reparation, detection, but the parameter of very difficult each battery of balance.Adopt singly fill, polarized spot that Dan Fangke slows down battery, and certain devulcanization function is arranged, parameter that can each battery of balance is repaired battery.But exist following defective: 1, because of its charging current is a pure direct current through capacitor filtering, the devulcanization ability a little less than, the used time is longer, a circulation needs 3～5 days, 2～3 circulations just can take effect.2, discharging current also is the pure direct current of quota, be to detect the ability to bear of battery to big electric current, and fixed bigger of general discharge current value can be caused damage to battery.
The utility model content
Technical problem to be solved in the utility model is, at the defective of prior art, provides a kind of charge in batteries, checkout gear, to reach in the purpose of not damaging under the battery situation boost battery charge reparation and detection.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of charge in batteries, checkout gear, comprise the power circuit that is connected with each circuit, the negative pulse negative pulse charging circuit that is connected with storage battery, it is characterized in that: between described storage battery and negative pulse charging circuit, be provided with respectively the charging control circuit that is connected with the negative pulse charging circuit with storage battery; Discharge circuit optionally is connected with storage battery.Described battery terminal negative constitutes charge circuit by the field effect transistor of control charging current in the charging control circuit with ground.This device adopts singly to fill singly to be put, the charge in batteries reparation, and battery discharging detects the ability to bear of battery to big electric current.
A kind of charge in batteries, checkout gear, the source electrode of described field effect transistor is connected with battery terminal negative, drain electrode is respectively by sampling resistor ground connection, and be connected with the signal input part of voltage comparator respectively by resistance, and pass through capacity earth, the output of voltage comparator promotes circuit by charging and is connected with grid, and relatively holding by resistance of voltage comparator is connected with variable-resistance convertible tip in being serially connected in power supply.A kind of charge in batteries, checkout gear, the power end of described voltage comparator is connected with power circuit by switch triode, the base stage of triode is connected with the output of counter by triode, the input of counter is connected with 555 circuit output ends, and reset terminal is connected with battery positive voltage by serial connection electric capacity, diode.
A kind of charge in batteries, checkout gear, described battery positive voltage constitutes discharge loop by the field effect transistor that is located at control discharging current in the discharge circuit with ground.
A kind of charge in batteries, checkout gear, the source electrode of described field effect transistor is connected with battery positive voltage by discharge resistance, drain electrode is respectively by sampling resistor ground connection, and be connected with the signal input part of voltage comparator respectively by resistance, and pass through capacity earth, the output of voltage comparator promotes circuit by discharge and is connected with grid, and relatively holding by resistance of voltage comparator is connected with variable-resistance convertible tip in being serially connected in power supply.
A kind of charge in batteries, checkout gear, be provided with for a long time device in the described discharge circuit, its input is connected with the output of voltage comparator by resistance, the voltage comparator signal input part is connected with the positive and negative electrode of storage battery by resistance, resistance respectively, and it relatively holds input to be connected with variable resistor convertible tip in being serially connected in power supply by resistance.
A kind of charge in batteries, checkout gear, be provided with buzzer in the described discharge circuit, the one end links to each other with the positive pole of storage battery by collector electrode, emitter, the diode of triode, the base stage of triode is connected with the voltage comparator signal input part by triode, resistance, electric capacity, and the other end links to each other with the negative pole of storage battery.
A kind of charge in batteries, checkout gear, owing to adopt said structure, adopt singly to fill singly and put, battery terminal negative constitutes charge circuit by the field effect transistor of control charging current in the charging control circuit with ground, realized the frequency conversion clutter, high pressure, the charging modes that big electric current is clicked, the battery ohmic polarization is disappeared, concentration polarization also can disappear because of the time part that diffusion is arranged, eliminated the electric charge accumulation of electrochemical polarization, eliminated the gas that forms in the pole plate micropore, devulcanization speed is accelerated greatly, thereby has accelerated charge in batteries speed, a circulation needs 12-17 hour, and 2-3 circulation also only needs 2-3 days.The discharge mode of oscillatory scanning is adopted in discharge, discharging current is averaged, and by the field effect transistor in the control discharge loop, gets the discharging current of appropriateness, just can detect the ability to bear of battery, avoid the injury that battery is caused with big electric current continuous discharge big electric current.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail;
Fig. 1 is a kind of charge in batteries of the utility model, checkout gear circuit block diagram;
Fig. 2 is power circuit, negative pulse charging circuit, a charging control circuit structure chart shown in Figure 1;
Fig. 3 is a discharge circuit structure chart shown in Figure 1;
In Fig. 1, Fig. 2, Fig. 3,1, power circuit, 2 negative pulse charging circuit; 3, charging control circuit; 4, discharge circuit; 5, storage battery; 6, charging promotes circuit; 7, device for a long time; 8, buzzer; 9, discharge promotes circuit.
Embodiment
As shown in Figure 1, a kind of charge in batteries, checkout gear, comprise the power circuit 1, the negative pulse charging circuit 2 that are connected with each circuit, between described storage battery 5 and negative pulse charging circuit 2, be provided with respectively the charging control circuit 3 that is connected with negative pulse charging circuit 2 with storage battery 5; Discharge circuit 4 optionally is connected with storage battery 5.
As shown in Figure 2, storage battery 5 negative poles constitute charge circuit by the field effect transistor V1 of control charging current in the charging control circuit 3 with ground.The source electrode of field effect transistor V1 is connected with storage battery 5 negative poles, drain electrode is respectively by sampling resistor RA ground connection, and be connected with the signal input part of voltage comparator ic 3 respectively by resistance R 2, and by capacitor C A ground connection, the output of voltage comparator ic 3 promotes circuit 6 by charging and is connected with grid, and relatively holding by resistance R 3 of voltage comparator ic 3 is connected with the convertible tip of variable resistor R4 in being serially connected in power supply.The power end of voltage comparator ic 3 is connected with power circuit 1 by switch triode T1, the base stage of triode T1 is connected with the output of counter CTR by triode T2, the input of counter CTR is connected with 555 circuit output ends respectively, and reset terminal is connected with storage battery 5 positive poles by serial connection capacitor C B, diode DA.After storage battery 5 connected, the just relatively voltage of the voltage comparator ic 2 in the negative pulse charging circuit 2, IC1 was lower than negative comparative voltage, voltage comparator ic 2, IC1 output LOW voltage, and negative pulse charging circuit 2, counter CTR does not work.Connect moment at storage battery 5 simultaneously, counter CTR is resetted by diode DA and capacitor C B, counter CTR output Q1 conducting, and treat next signal.After storage battery 5 terminal voltages rose to 14.8V, voltage comparator ic 2 upsets made negative pulse charging circuit 2, counter CTR work.Counter CTR exports 10 positive signals successively, make triode T1, the T2 conducting when preceding 7 positive signals in the charging control circuit 3, connect the power supply of voltage comparator ic 3, voltage comparator ic 3 outputs promote the big pulse current charge signal of circuit 6 outputs by charging, make field effect transistor V1 conducting charging.Big pulse current charge is to produce a comparative voltage by sampling resistor RA and capacitor C A field effect transistor V1 is ended, and makes field effect transistor V1 conducting again by back resistance R A and capacitor C A releasing.After counter CTR exports 7 positive voltage signal Q1～Q7 successively, charging control circuit 3 quits work, counter CTR output voltage signal Q9 makes field effect transistor V2 work, to storage battery 5 discharges, makes storage battery 5 eliminate polarization, go round and begin again, when storage battery 5 was charged to 16.7V, voltage comparator ic 1 upset made triode T5, T6 conducting, relay J work quits work the entire circuit dead electricity.By charging control circuit 3, the duty ratio (frequency input signal/output signal frequency) of control charge frequency effectively raises charge rate.
As shown in Figure 3, storage battery 5 inserts discharge circuit 4, and storage battery 5 positive poles constitute discharge loop by discharge resistance R5 and the field effect transistor V3 that is located at control discharging current in the discharge circuit 4 with ground.The source electrode of field effect transistor V3 is connected with storage battery 5 positive poles by discharge resistance R5, drain electrode is respectively by sampling resistor R6 ground connection, and be connected with the signal input part of voltage comparator ic 4 respectively by resistance R 7, and by capacitor C 1 ground connection, the output of voltage comparator ic 4 promotes circuit 9 by discharge and is connected with grid, and relatively holding by resistance R 8 of voltage comparator ic 4 is connected with the convertible tip of variable resistor R9 in being serially connected in power supply.By regulating the discharging current that variable resistor R9 gets appropriateness, just can detect the ability to bear of battery to big electric current, avoided the injury that battery is caused with big electric current continuous discharge.
Be provided with for a long time device 7 in the discharge circuit 4, its input is connected by the output of resistance R 10 with voltage comparator ic 5, voltage comparator ic 5 signal input parts are connected with the positive and negative electrode of storage battery 5 by resistance R 11, resistance R 12 respectively, and it relatively holds input to be connected with variable resistor R14 convertible tip in being serially connected in power supply by resistance R 13.Be provided with buzzer 8 in the discharge circuit 4, the one end links to each other with the positive pole of storage battery 5 by collector electrode, emitter, the diode D1 of triode T3, the base stage of triode T3 is connected with voltage comparator ic 4 signal input parts by triode T4, resistance R 1, capacitor C 1, and buzzer 8 other ends link to each other with the negative pole of storage battery 5.Voltage comparator ic 5 and resistance R 13, R14, R16, R11, R12 form for a long time control circuit of device 7, the terminal voltage that can set storage battery 5 is put to several volts, voltage comparator ic 5 output signals, when storage battery 5 terminal voltages are higher than set point, voltage comparator ic 5 output low levels, for a long time device 7 work timing, and pass through resistance R 1 to triode T4 output low level, triode T3 is ended, and buzzer 8 is not worked.When storage battery 5 terminal voltages are discharged to set point, voltage comparator ic 5 output high level, for a long time device 7 stops timing, and exports high level by resistance R 1 to triode T4, makes triode T3 conducting, and buzzer is sent in buzzer 8 work.
Claims (9)
1, a kind of charge in batteries, checkout gear, comprise the power circuit (1) that is connected with each circuit, the negative pulse charging circuit (2) that is connected with storage battery (5), it is characterized in that: be positioned at and be provided with respectively the charging control circuit (3) that is connected with negative pulse charging circuit (2) with storage battery (5) between described storage battery (5) and the negative pulse charging circuit (2); Discharge circuit (4) optionally is connected with storage battery (5).
2, a kind of charge in batteries according to claim 1, checkout gear is characterized in that: described storage battery (5) negative pole constitutes charge circuit by the field effect transistor (V1) of control charging current in the charging control circuit (3) with ground.
3, a kind of charge in batteries according to claim 2, checkout gear, it is characterized in that: the source electrode of described field effect transistor V1 is connected with storage battery (5) negative pole, drain electrode is respectively by sampling resistor (RA) ground connection, and be connected with the signal input part of voltage comparator (IC3) respectively by resistance (R2), and by electric capacity (CA) ground connection, the output of voltage comparator (IC3) promotes circuit (6) by charging and is connected with grid, and the relatively end of voltage comparator (IC3) is connected with the convertible tip of variable resistor (R4) in being serially connected in power supply by resistance (R3).
4, a kind of charge in batteries according to claim 3, checkout gear, it is characterized in that: the power end of described voltage comparator (IC3) is connected with power circuit (1) by switch triode (T1), the base stage of triode (T1) is connected by the output of triode (T2) with counter (CTR), and the input of counter (CTR) is exported with 555 circuit respectively and is connected with storage battery (5) positive pole by serial connection electric capacity (CB), diode (DA).
5, a kind of charge in batteries according to claim 1, checkout gear is characterized in that: described storage battery (5) is anodal to constitute discharge loop by the field effect transistor (V2) that is located at control discharging current in the discharge circuit (4) with ground.
6, a kind of charge in batteries according to claim 5, checkout gear, it is characterized in that: the source electrode of described field effect transistor (V2) is connected with storage battery (5) positive pole by discharge resistance (R5), drain electrode is respectively by sampling resistor R6 ground connection, and be connected with the signal input part of voltage comparator (IC3) respectively by resistance R 7, and by electric capacity (C1) ground connection, the output of voltage comparator (IC3) promotes circuit (9) by discharge and is connected with grid, and the relatively end of voltage comparator (IC3) is connected with the convertible tip of variable resistor (R9) in being serially connected in power supply by resistance (R8).
7, a kind of according to claim 1 or 5 charge in batteries, checkout gear, it is characterized in that: be provided with for a long time device (7) in the described discharge circuit (4), the one end is connected by the output of resistance (R10) with voltage comparator (IC5), and the other end links to each other with storage battery (5) negative pole; Voltage comparator (IC4) signal input part is connected with the positive and negative electrode of storage battery (5) by resistance (R11), resistance (R12) respectively, and it relatively holds input to be connected with variable resistor (R14) convertible tip in being serially connected in power supply by resistance (R13).
8, a kind of charge in batteries according to claim 7, checkout gear, it is characterized in that: be provided with buzzer (8) in the described discharge circuit (4), the one end links to each other with the positive pole of storage battery (5) by collector electrode, emitter, the diode D1 of triode T3, the base stage of triode T3 is connected with voltage comparator (IC4) signal input part by triode (T4), resistance (R1), electric capacity (C1), and the other end links to each other with the negative pole of storage battery (5).
9, according to claim 2 or 5 described a kind of charge in batteries, checkout gear, it is characterized in that: the model of described field effect transistor is P75N75.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140232 CN2857304Y (en) | 2005-12-24 | 2005-12-24 | Charging/detecting device of accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140232 CN2857304Y (en) | 2005-12-24 | 2005-12-24 | Charging/detecting device of accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2857304Y true CN2857304Y (en) | 2007-01-10 |
Family
ID=37600608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520140232 Expired - Fee Related CN2857304Y (en) | 2005-12-24 | 2005-12-24 | Charging/detecting device of accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2857304Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710782A (en) * | 2009-11-27 | 2010-05-19 | 海洋王照明科技股份有限公司 | Battery discharge circuit, power supply and LED lamp |
| CN103795126A (en) * | 2014-03-03 | 2014-05-14 | 无锡金雨电子科技有限公司 | Impulse type charging method and device |
| CN107271914A (en) * | 2017-07-11 | 2017-10-20 | 北京零极中盛科技有限公司 | A kind of battery on-line measuring device |
-
2005
- 2005-12-24 CN CN 200520140232 patent/CN2857304Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710782A (en) * | 2009-11-27 | 2010-05-19 | 海洋王照明科技股份有限公司 | Battery discharge circuit, power supply and LED lamp |
| CN101710782B (en) * | 2009-11-27 | 2013-07-03 | 海洋王照明科技股份有限公司 | Battery discharge circuit, power supply and LED lamp |
| CN103795126A (en) * | 2014-03-03 | 2014-05-14 | 无锡金雨电子科技有限公司 | Impulse type charging method and device |
| CN103795126B (en) * | 2014-03-03 | 2016-08-17 | 无锡金雨电子科技有限公司 | Pulse charging method and apparatus |
| CN107271914A (en) * | 2017-07-11 | 2017-10-20 | 北京零极中盛科技有限公司 | A kind of battery on-line measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070110 Termination date: 20100125 |