CN202503355U - Automatic power-off device for electric bicycle charging - Google Patents
Automatic power-off device for electric bicycle charging Download PDFInfo
- Publication number
- CN202503355U CN202503355U CN2012201007589U CN201220100758U CN202503355U CN 202503355 U CN202503355 U CN 202503355U CN 2012201007589 U CN2012201007589 U CN 2012201007589U CN 201220100758 U CN201220100758 U CN 201220100758U CN 202503355 U CN202503355 U CN 202503355U
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- CN
- China
- Prior art keywords
- transformer
- integrated circuit
- relay
- electric motor
- diode
- 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.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an automatic power-off device for electric bicycle charging. In a device which can charge an electric bicycle, one end of a transformer B1 is connected in series with a diode VD3, a voltage-stabilizer, a diode VD5, an integrated circuit, and a relay which are connected with one end of a transformer B2, so that a control circuit is formed. A tail end of the integrated circuit is connected with a resistor R4, and a front end of the integrated circuit is connected in series with an optical coupler and a resistor R3, and is connected in parallel with a load resistor. The other end of the transformer B1 is connected in series with a neon bulb, a resistor R1, and a touch switch behind which an external power source connector is arranged. A relay contact switch of the relay is arranged in the vicinity of the touch switch of the external power source connector. The other end of the transformer B2 is connected in series with a socket behind which another external power source connector is arranged. The automatic power-off device for electric bicycle charging can automatically cut off the power after the electric bicycle charging is complete, and is in favor of energy saving and can ensure the safety of the charging.
Description
Technical field
The utility model relates to a kind of device for the charging of electric motor car storage battery, specifically is a kind of electric motor car charging auto-power-off device.
Technical background
Electric bicycle all disposes special-purpose charger; After storage battery is charged to specified voltage, then get into the miniflow charged state until charging termination, but in use, the storage battery of electric motor car is after being full of electricity; Its charger still is in electriferous state; Built-in radiator fan is still working on, and both power consumptions also can directly jeopardize safety.
Summary of the invention
The purpose of the utility model is to provide a kind of electric motor car charging auto-power-off device, can let charger after charging finishes, auto power off.
The utility model comprises transformer and integrated circuit and socket, and the technical scheme that is adopted is: transformer B in a device that can be electric motor car charging
1B
2Primary side connects diode VD
1, VD
2, VD
3, voltage-stabiliser tube, diode VD
5, integrated circuit, relay and transformer B
2Primary side links to each other, and constitutes control loop thus; On integrated circuit, be connected with resistance R
4, optical coupler and resistance R
3And load resistance, the B of transformer
1B
2Primary side connects neon bulb, resistance R
1With an external power supply joint is set behind the soft-touch control, the soft-touch control that the relay contact switch of relay is arranged on the external power supply joint nearby, the B of transformer
1B
2Primary side is provided with another external power supply joint after connecting a socket.
Technique scheme comprises: between diode and integrated circuit, be connected with capacitor C
2
On the loop of transformer, be parallel with capacitor C.
A port at optical coupler also is connected with capacitor C
3
The beneficial effect of the utility model is: during use, can guarantee charging normally, after charging gets into the miniflow charged state; Can keep about 2 hours of trace charging; When charging safety finishes, can be automatically thorough deenergization, favourable electrical energy saving and safe and reliable is charged for electric motor car.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.。
Fig. 1 is each element syndeton sketch map of the utility model.
Among the figure: 1, external power supply joint, 2, resistance R
1, 3, soft-touch control, 4, neon bulb, 5, transformer, 6, diode VD
1, VD
2, VD
3, 7, voltage-stabiliser tube, 8, capacitor C
2, 9, diode VD
5, 10, integrated circuit, 11, resistance R
4, 12, relay coil, 13, socket, 14, capacitor C, 15, load resistance, 16, resistance R
3, 17, optical coupler, 18, capacitor C
3,19, relay contact switch.
Embodiment
Shown in the accompanying drawing embodiment: transformer 5B in a device that can be electric motor car charging
2Primary side connects diode VD
36, voltage-stabiliser tube 7, diode VD
59, the B of integrated circuit 10, relay 12 and transformer 5
2Primary side links to each other, and constitutes control loop thus; On integrated circuit 10, be connected with resistance R
411, optical coupler 17 and resistance R
316 and load resistance 15, the B of transformer 5
1B
2Primary side connects neon bulb 4, resistance R
12 with soft-touch control 3 after an external power supply joint 1 is set, the soft-touch control 3 that the relay contact switch 19 of relay coil 12 is arranged on external power supply joint 1 nearby, the B of transformer 5
2Primary side is provided with another external power supply joint 1 after connecting a socket 13.Between diode 6 and integrated circuit 10, be connected with capacitor C
28.On the loop of transformer 5, be parallel with capacitor C 14.A port at optical coupler 17 also is connected with capacitor C
318.
When charging, press soft-touch control 3, connect the 220V power supply to storage battery.At this moment power supply is divided into two-way: the one tunnel behind transformer 5 step-down rectifiers for control circuit provides power supply, another road is through transformer 5 and socket 13.When charging normal, transformer 5 primary side voltages are about 1.5～2V, and secondary-side voltage is through diode VD
36 and capacitor C
1Produce the voltage of about 9～12V behind 14 rectifying and wave-filterings at resistance R 2 two ends; The voltage-stabiliser tube 7 of the 7.5V conducting that is triggered meanwhile, resistance R
3There is electric current to pass through on 16, optical coupler IC1 conducting, 2 pin, the 6 pin voltages of integrated circuit 10 are pulled down to 0V, 3 pin output high level, relay K
-112 adhesives, K
-1Contacting begins charging.
Claims (4)
1. electric motor car charging auto-power-off device comprises transformer (5) and integrated circuit (10) and socket (13), it is characterized in that: can be transformer (5) B in the device that electric motor car charges at one
1B
2Primary side connects diode VD
1, VD
2, VD
3(6), voltage-stabiliser tube (7), diode VD
5(9), the B of integrated circuit (10), relay (12) and transformer (5)
2Primary side links to each other, and constitutes control loop thus; On integrated circuit (10), be connected with resistance R
4(11), optical coupler (17) and resistance R
3(16), and a load resistance (15), the B of transformer (5)
1B
2Primary side connect neon bulb (4), resistance R
1(2) and an external power supply joint (1) is set behind the soft-touch control (3), the relay contact switch (19) of relay (12) is arranged on the soft-touch control (3) of external power supply joint (1), transformer (5) B
1B
2Primary side another external power supply joint (1) is set after connecting a socket (13).
2. electric motor car charging auto-power-off device according to claim 1 is characterized in that: between diode (6) and integrated circuit (10), be connected with capacitor C
2(8).
3. electric motor car charging auto-power-off device according to claim 1 is characterized in that: on the loop of transformer (5), be parallel with capacitor C (14).
4. electric motor car charging auto-power-off device according to claim 1 is characterized in that: on optical coupler (17), be connected with capacitor C
3(18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201007589U CN202503355U (en) | 2012-03-19 | 2012-03-19 | Automatic power-off device for electric bicycle charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201007589U CN202503355U (en) | 2012-03-19 | 2012-03-19 | Automatic power-off device for electric bicycle charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202503355U true CN202503355U (en) | 2012-10-24 |
Family
ID=47039956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201007589U Expired - Fee Related CN202503355U (en) | 2012-03-19 | 2012-03-19 | Automatic power-off device for electric bicycle charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202503355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236733A (en) * | 2013-05-14 | 2013-08-07 | 河北工业大学 | Electric bicycle charging device with functions of delaying time and powering off |
| CN106080238A (en) * | 2016-06-29 | 2016-11-09 | 国网山东省电力公司济南市历城区供电公司 | A kind of Intelligent charging system of electric automobile |
-
2012
- 2012-03-19 CN CN2012201007589U patent/CN202503355U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236733A (en) * | 2013-05-14 | 2013-08-07 | 河北工业大学 | Electric bicycle charging device with functions of delaying time and powering off |
| CN103236733B (en) * | 2013-05-14 | 2015-04-01 | 河北工业大学 | Electric bicycle charging device with functions of delaying time and powering off |
| CN106080238A (en) * | 2016-06-29 | 2016-11-09 | 国网山东省电力公司济南市历城区供电公司 | A kind of Intelligent charging system of electric automobile |
| CN106080238B (en) * | 2016-06-29 | 2019-02-19 | 国网山东省电力公司济南市历城区供电公司 | A kind of Intelligent charging system of electric automobile |
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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: 20121024 Termination date: 20130319 |