CN103795110A - Gel battery charging adapter - Google Patents
Gel battery charging adapter Download PDFInfo
- Publication number
- CN103795110A CN103795110A CN201410025865.3A CN201410025865A CN103795110A CN 103795110 A CN103795110 A CN 103795110A CN 201410025865 A CN201410025865 A CN 201410025865A CN 103795110 A CN103795110 A CN 103795110A
- Authority
- CN
- China
- Prior art keywords
- colloid battery
- controller
- charging
- electrically connected
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a gel battery charging adapter which comprises a voltage stabilizer. The voltage stabilizer is electrically connected between a gel battery and a charging circuit, and comprises a field-effect transistor and an overcharging detecting system, the overcharging detecting system detects the charging condition of the gel battery, the field-effect transistor adjusts the charging voltage of the gel battery according to the detection condition of the overcharging detecting system, it is guaranteed that pressure drops are generated when the charging circuit inputs currents into the gel battery, the highest charging voltage of the gel battery is in a safety area, the gel battery is prevented from being overcharged, and the gel battery is prevented from losing a large amount of water and prevented from thermal runaway.
Description
Technical field
The present invention relates to colloid battery charging adapter.
Background technology
On market, common charger is common lead acid batteries charger, if the colloid battery charging of Moped Scooter, battery-operated motor cycle is prone to the situation of overcharging with common lead acid batteries charger, colloid battery causes thermal runaway because of a large amount of dehydrations of overcharging, also have by power-supply management system colloid battery is charged, but the cost of power-supply management system is higher, do not meet the feature of Moped Scooter, battery-operated motor cycle economy.
Summary of the invention
Problem to be solved by this invention is to provide colloid battery charging adapter, guarantees that the maximum charging voltage of colloid battery, in a safety zone, prevents that colloid battery from overcharging, and avoids a large amount of dehydrations of colloid battery, thermal runaway, and cost-saving.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: colloid battery charging adapter, comprise the stable-pressure device being electrically connected between colloid battery and charging circuit, and described stable-pressure device comprises field effect transistor and overcharges detection system.Detect the charge condition of colloid battery by overcharging detection system, field effect transistor regulates the charging voltage of colloid battery according to the detection case that overcharges detection system, while guaranteeing charging circuit to colloid battery input current, produce pressure drop, guarantee that the maximum charging voltage of colloid battery is in a safety zone, prevent that colloid battery from overcharging, and then avoid a large amount of dehydrations of colloid battery, thermal runaway.
Improved, described field effect transistor is N channel depletion type isolated gate FET or P channel depletion type isolated gate FET, the described detection system that overcharges comprises controller and voltage sampling circuit, the grid of described field effect transistor is electrically connected with the output of controller, drain electrode is electrically connected with the positive pole of charging circuit, source electrode is electrically connected with the positive pole of colloid battery, described voltage sampling circuit is connected in parallel on the charging voltage of the two ends collection colloid battery of colloid battery, described voltage sampling circuit is electrically connected the charging voltage of colloid battery is sent to controller with the input one of controller, controller sends high level or low level according to the charging voltage of colloid battery to grid.When the voltage collecting when voltage sampling circuit exceedes the maximum charging voltage of colloid battery, controller sends high level to grid, the charging voltage of colloid battery is reduced, in the time of brownout that voltage sampling circuit collects, controller sends low level to grid, and the charging voltage of colloid battery is raise.
Improved, the described detection system that overcharges comprises temperature sensor, described temperature sensor is connected the temperature that gathers colloid battery with colloid battery, described temperature sensor is electrically connected the temperature that sends colloid battery to controller with the input two of controller, controller sends temperature conditioning signal according to the temperature of colloid battery to grid.In the time of excess Temperature that temperature sensor collects, controller sends temperature conditioning signal to reduce the duty ratio of fet gate control pulsewidth to grid, thereby reduce the ON time of field effect transistor, reach the charging current object that reduces storage battery, reduce the polarity effect of storage battery, the charging voltage of colloid battery is reduced, reduced the rate-of-loss of coolant of storage battery, also suppress the compound a large amount of generations of oxygen, thereby avoid colloid battery excess Temperature simultaneously.
Improved, the described detection system that overcharges comprises current sampling circuit, the described current sampling circuit acquisition stream of connecting with colloid battery is crossed the electric current of colloid battery, described current sampling circuit is electrically connected with the input three of controller to controller and sends the electric current that flows through colloid battery, and controller sends cut-off signals according to the electric current that flows through colloid battery to grid.When the electric current that collects when current sampling circuit is very little, show that colloid battery charging is saturated, controller sends cut-off signals to fet gate, and the charging voltage of colloid battery is reduced until the charging current of colloid battery is zero, and charger proceeds to the floating charge stage automatically.
Colloid battery charging adapter, comprise the stable-pressure device being electrically connected between colloid battery and charging circuit, described stable-pressure device comprises the diode of N series connection, and the negative pole of described diode is connected with the positive pole of colloid battery, the positive pole of diode and the positive pole of charging circuit are connected.Diode by N series connection carries out step-down, makes the maximum charging voltage of colloid battery in a safety zone.
Beneficial effect:
Adopt after technique scheme, this invention colloid battery charging adapter, guarantees that by arranging of stable-pressure device the maximum charging voltage of colloid battery, in a safety zone, prevents that colloid battery from overcharging, avoid a large amount of dehydrations of colloid battery, thermal runaway, and cost-saving.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the circuit diagram of the embodiment of the present invention one;
Fig. 2 is the circuit diagram of the embodiment of the present invention two.
Embodiment
Embodiment mono-:
As shown in Figure 1, colloid battery charging adapter, comprise the stable-pressure device 3 being electrically connected between colloid battery 1 and charging circuit 2, described charging circuit comprises external power source and common lead acid batteries charger, described colloid battery is electrically connected with common lead acid batteries charger by stable-pressure device, described stable-pressure device comprises field effect transistor 4 and overcharges detection system, described field effect transistor is N channel depletion type isolated gate FET or P channel depletion type isolated gate FET, the described detection system that overcharges comprises controller 5, voltage sampling circuit 6, temperature sensor 7 and current sampling circuit 8, the grid of described field effect transistor is electrically connected with the output of controller, drain electrode is electrically connected with the positive pole of charging circuit, source electrode is electrically connected with the positive pole of colloid battery, described voltage sampling circuit is connected in parallel on the charging voltage of the two ends collection colloid battery of colloid battery, described voltage sampling circuit is electrically connected the charging voltage of colloid battery is sent to controller with the input one of controller, controller sends high level or low level according to the charging voltage of colloid battery to grid, described temperature sensor is connected the temperature that gathers colloid battery with colloid battery, described temperature sensor is electrically connected the temperature that sends colloid battery to controller with the input two of controller, controller sends temperature conditioning signal according to the temperature of colloid battery to grid, the described current sampling circuit acquisition stream of connecting with colloid battery is crossed the electric current of colloid battery, described current sampling circuit is electrically connected with the input three of controller to controller and sends the electric current that flows through colloid battery, controller sends cut-off signals according to the electric current that flows through colloid battery to grid.
Controller comprises PWM controller, there is charge timing function, in the time that storage battery enters ageing state, oxygen complex effect strong reaction, when charger does not reach the little electric current of regulation for a long time, controller moves row internal timing program, sends cut-off signals to fet gate, because the electric current in battery charger loop reduces to zero, forced charge device enters the floating charge stage according to syllogic charge mode.
Embodiment bis-:
As shown in Figure 2, the difference of the present embodiment and embodiment mono-is, described stable-pressure device comprises the diode 9 of N series connection, the negative pole of described diode is connected with the positive pole of colloid battery, the positive pole of diode and the positive pole of charging circuit are connected, N diode is N 0.7V rectification diode, or N diode is N 0.3V Schottky diode, or N diode is the combination of 0.7V rectification diode and 0.3V Schottky diode.
Except above preferred embodiment, the present invention also has other execution mode, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise depart from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (5)
1. colloid battery charging adapter, comprises the stable-pressure device (3) being electrically connected between colloid battery (1) and charging circuit (2), it is characterized in that: described stable-pressure device comprises field effect transistor (4) and overcharges detection system.
2. colloid battery charging adapter according to claim 1, it is characterized in that: described field effect transistor is N channel depletion type isolated gate FET or P channel depletion type isolated gate FET, the described detection system that overcharges comprises controller (5) and voltage sampling circuit (6), the grid of described field effect transistor is electrically connected with the output of controller, drain electrode is electrically connected with the positive pole of charging circuit, source electrode is electrically connected with the positive pole of colloid battery, described voltage sampling circuit is connected in parallel on the charging voltage of the two ends collection colloid battery of colloid battery, described voltage sampling circuit is electrically connected the charging voltage of colloid battery is sent to controller with the input one of controller, controller sends high level or low level according to the charging voltage of colloid battery to grid.
3. colloid battery charging adapter according to claim 2, it is characterized in that: described in overcharge detection system and comprise temperature sensor (7), described temperature sensor is connected the temperature that gathers colloid battery with colloid battery, described temperature sensor is electrically connected the temperature that sends colloid battery to controller with the input two of controller, controller sends temperature conditioning signal according to the temperature of colloid battery to grid.
4. according to the colloid battery charging adapter described in claim 2 or 3, it is characterized in that: described in overcharge detection system and comprise current sampling circuit (8), the described current sampling circuit acquisition stream of connecting with colloid battery is crossed the electric current of colloid battery, described current sampling circuit is electrically connected with the input three of controller to controller and sends the electric current that flows through colloid battery, and controller sends cut-off signals according to the electric current that flows through colloid battery to grid.
5. colloid battery charging adapter, comprise the stable-pressure device being electrically connected between colloid battery (1) and charging circuit (2), it is characterized in that: described stable-pressure device comprises the diode (9) of N series connection, the negative pole of described diode is connected with the positive pole of colloid battery, the positive pole of diode and the positive pole of charging circuit are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025865.3A CN103795110A (en) | 2014-01-21 | 2014-01-21 | Gel battery charging adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025865.3A CN103795110A (en) | 2014-01-21 | 2014-01-21 | Gel battery charging adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103795110A true CN103795110A (en) | 2014-05-14 |
Family
ID=50670544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410025865.3A Pending CN103795110A (en) | 2014-01-21 | 2014-01-21 | Gel battery charging adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103795110A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991195A (en) * | 2020-05-19 | 2022-01-28 | 杭州铅锂智行科技有限公司 | Charger and charging method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09308127A (en) * | 1996-05-09 | 1997-11-28 | Shin Kobe Electric Mach Co Ltd | Charge mode changing adaptor |
| JPH11164489A (en) * | 1997-11-27 | 1999-06-18 | Matsushita Electric Ind Co Ltd | Charging controller built in secondary battery pack |
| US6246214B1 (en) * | 2000-05-10 | 2001-06-12 | Motorola, Inc. | Multiple use of a single transistor for linear regulation charge control and protection of a rechargeable battery |
| CN1581634A (en) * | 2003-07-31 | 2005-02-16 | 罗伯特·博施有限公司 | Battery charging apparatus |
| CN2694607Y (en) * | 2004-03-23 | 2005-04-20 | 华为技术有限公司 | Power supply adapter for stationary stations |
| CN201156709Y (en) * | 2008-02-04 | 2008-11-26 | 深圳华为通信技术有限公司 | Electric power adapter and portable electronic apparatus |
| CN102751703A (en) * | 2011-04-19 | 2012-10-24 | 昆山百世特斯电子有限公司 | Rechargeable battery protector |
-
2014
- 2014-01-21 CN CN201410025865.3A patent/CN103795110A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09308127A (en) * | 1996-05-09 | 1997-11-28 | Shin Kobe Electric Mach Co Ltd | Charge mode changing adaptor |
| JPH11164489A (en) * | 1997-11-27 | 1999-06-18 | Matsushita Electric Ind Co Ltd | Charging controller built in secondary battery pack |
| US6246214B1 (en) * | 2000-05-10 | 2001-06-12 | Motorola, Inc. | Multiple use of a single transistor for linear regulation charge control and protection of a rechargeable battery |
| CN1581634A (en) * | 2003-07-31 | 2005-02-16 | 罗伯特·博施有限公司 | Battery charging apparatus |
| CN2694607Y (en) * | 2004-03-23 | 2005-04-20 | 华为技术有限公司 | Power supply adapter for stationary stations |
| CN201156709Y (en) * | 2008-02-04 | 2008-11-26 | 深圳华为通信技术有限公司 | Electric power adapter and portable electronic apparatus |
| CN102751703A (en) * | 2011-04-19 | 2012-10-24 | 昆山百世特斯电子有限公司 | Rechargeable battery protector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991195A (en) * | 2020-05-19 | 2022-01-28 | 杭州铅锂智行科技有限公司 | Charger and charging method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103413985B (en) | Environmental temperature-based quick charging method of lead-acid storage battery for electric motor car | |
| CN103607009B (en) | A kind of charge-discharge circuit with automatic protection functions | |
| US20110215769A1 (en) | Battery charging system and method | |
| CN102280670B (en) | Charging method for realizing automatic power control | |
| CN105449788A (en) | Charging protection circuit | |
| TWI481151B (en) | A battery powered apparatus with the circuit of integrated power management and charger unit | |
| CN202586793U (en) | Photovoltaic grid-connected inverter with input reverse-connection protection | |
| CN203289168U (en) | Charger circuit for lead-acid battery | |
| JP5822779B2 (en) | Power storage system and charge / discharge control method thereof | |
| CN109193874B (en) | Battery pack equalizing charge circuit and charging method thereof | |
| CN103795110A (en) | Gel battery charging adapter | |
| CN203119577U (en) | Single section lithium ion battery charging circuit based on semiconductor thermoelectric power | |
| CN210577924U (en) | Charging circuit based on solar charging and system thereof | |
| CN204068336U (en) | A kind of charging circuit | |
| CN105337320A (en) | Dynamic current charging method and circuit | |
| CN103457519A (en) | Waste heat thermoelectric power generation device | |
| CN104868543B (en) | A kind of intelligent battery charger of wide input voltage range | |
| CN209389766U (en) | Solar energy MPPT controller lithium cell activated circuit | |
| CN103236721A (en) | Single lithium-ion battery charged circuit based on semiconductor thermoelectric power generation | |
| CN203289085U (en) | Battery charge protection circuit, and charger using battery charge protection circuit | |
| CN203747444U (en) | Solar energy charging control apparatus | |
| CN202333775U (en) | Battery protective circuit of power lithium battery pack | |
| CN107367695B (en) | High-voltage lithium ion battery charge-discharge test system | |
| CN205123294U (en) | Nickel cadmium nickel -hydrogen battery charge management integrated circuit | |
| CN201584801U (en) | Charger output high-frequency electronic switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140514 |