CN205304333U - Electric motor car battery charger - Google Patents
Electric motor car battery charger Download PDFInfo
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- CN205304333U CN205304333U CN201620025671.8U CN201620025671U CN205304333U CN 205304333 U CN205304333 U CN 205304333U CN 201620025671 U CN201620025671 U CN 201620025671U CN 205304333 U CN205304333 U CN 205304333U
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Abstract
The utility model discloses an electric motor car battery charger, including resistance R1, electric capacity C1, time base chip U1, diode D1, emitting diode LED1 and triode VT1, it is anodal that VCC and diode D4 are connected respectively to resistance R1 one end, the emitting diode LED1 positive pole is connected respectively to the resistance R1 other end, resistance R2, time base chip U1 pin 8 and resistance R4, potentiometre RP1 one end is connected respectively to the resistance R2 other end, potentiometre RP1 gleitbretter, anodal and the time base chip U1 pin 7 of diode D3, time base chip U1 pin 2 is connected respectively to diode D3 negative pole, the time base chip U1 pin 6, electric capacity C1 and resistance R3. The utility model discloses electric motor car battery charger adopts NE555 as controlling element, cooperates one -way silicon controlled rectifier and triode, and circuit structure is simple, and is with low costs, small, has short -circuit protection function moreover, very practical.
Description
Technical field
This utility model relates to a kind of charger, specifically a kind of electromobile battery charger.
Background technology
Along with popularizing of electric motor car, electric motor car charging technique is also affected by the concern of people. The electric motor car power accumulator of China is mostly lead-acid accumulator, accumulator is that chemical energy is directly translated into a kind of device of electric energy, it it is the battery by rechargeable design, realize recharging by reversible chemical reaction, typically refer to lead-acid accumulator, it is the one in battery, belongs to secondary cell. Its operation principle: the electric energy outside utilizing during charging makes internal active substance regeneration; it is chemical energy electrical power storage; again chemical energy is converted to electric energy output when needing to discharge; such as conventional in life electric motor car etc.; this has technology maturation mainly due to lead-acid accumulator, cost is low, battery capacity is big, follow the advantages such as load good output, memory-less effect; but existing a lot of electric car charger is all without short-circuit protection function; safety is relatively low, has very big disaster hidden-trouble.
Utility model content
The purpose of this utility model is in that to provide a kind of electromobile battery charger, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
A kind of electromobile battery charger, including resistance R1, electric capacity C1, time base chip U1, diode D1, LED 1 and audion VT1, described resistance R1 one end connects power supply VCC and diode D4 positive pole respectively, the resistance R1 other end is connecting luminous diode LED1 positive pole respectively, resistance R2, time base chip U1 pin 8 and resistance R4, the resistance R2 other end connects potentiometer RP1 one end respectively, potentiometer RP1 slide plate, diode D3 positive pole and Shi Ji chip U1 pin 7, base chip U1 pin 2 when diode D3 negative pole connects respectively, time base chip U1 pin 6, electric capacity C1 and resistance R3, the resistance R3 other end connects the potentiometer RP1 other end, base chip U1 pin 5 and electric capacity C2 when the electric capacity C1 other end connects respectively, described resistance R4 other end connecting luminous diode LED2 positive pole, base chip U1 pin 4 and audion VT1 colelctor electrode when LED 2 negative pole connects respectively, audion VT1 base stage connects electric capacity C3 and diode D2 positive pole respectively, diode D2 negative pole connects resistance R6, the resistance R6 other end connects A pole and the accumulator E negative pole of one-way SCR VS respectively, accumulator E cathode connecting diode D4 negative pole, base chip U1 pin 3 when the G pole of described one-way SCR VS is connected by resistance R5, the K pole of one-way SCR VS is connecting triode VT1 emitter stage respectively, time base chip U1 pin 1, the electric capacity C2 other end and diode D1 positive pole, diode D1 negative pole connecting luminous diode LED1 negative pole.
As this utility model further scheme: time described, base chip U1 is NE555.
Compared with prior art, the beneficial effects of the utility model are: this utility model electromobile battery charger adopts NE555 as controlling element, coordinates one-way SCR and audion; circuit structure is simple, and cost is low, and volume is little; and with short-circuit protection function, very useful.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of electromobile battery charger.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1, in this utility model embodiment, a kind of electromobile battery charger, including resistance R1, electric capacity C1, time base chip U1, diode D1, LED 1 and audion VT1, described resistance R1 one end connects power supply VCC and diode D4 positive pole respectively, the resistance R1 other end is connecting luminous diode LED1 positive pole respectively, resistance R2, time base chip U1 pin 8 and resistance R4, the resistance R2 other end connects potentiometer RP1 one end respectively, potentiometer RP1 slide plate, diode D3 positive pole and Shi Ji chip U1 pin 7, base chip U1 pin 2 when diode D3 negative pole connects respectively, time base chip U1 pin 6, electric capacity C1 and resistance R3, the resistance R3 other end connects the potentiometer RP1 other end, base chip U1 pin 5 and electric capacity C2 when the electric capacity C1 other end connects respectively, described resistance R4 other end connecting luminous diode LED2 positive pole, base chip U1 pin 4 and audion VT1 colelctor electrode when LED 2 negative pole connects respectively, audion VT1 base stage connects electric capacity C3 and diode D2 positive pole respectively, diode D2 negative pole connects resistance R6, the resistance R6 other end connects A pole and the accumulator E negative pole of one-way SCR VS respectively, accumulator E cathode connecting diode D4 negative pole, base chip U1 pin 3 when the G pole of described one-way SCR VS is connected by resistance R5, the K pole of one-way SCR VS is connecting triode VT1 emitter stage respectively, time base chip U1 pin 1, the electric capacity C2 other end and diode D1 positive pole, diode D1 negative pole connecting luminous diode LED1 negative pole, time described, base chip U1 is NE555.
Operation principle of the present utility model is: refer to Fig. 1, 555 time base circuits and outer meeting resistance, electric capacity and potentiometer constitute thyristor gating circuit, after switching on power, C1, C2 charges simultaneously, the 5 foot current potentials of NE555 quickly rise to 2/3VDD, VDD is the supply voltage of U1, at this moment the voltage on C1 is about zero, namely 2, the voltage of 6 feet is a bit larger tham 2/3VDD, outfan 3 foot of U1 is low level, discharge tube within NE555 is saturated, namely 7 feet of NE555 are low level, then C1 electric discharge, make the 2 of U1, when 5 foot current potentials gradually decrease down 1/3VDD, the 3 foot output high level of U1, it is consequently formed vibration, the output of 3 feet of U1 controls controlled silicon conducting and charges to accumulator E, RP1 scalable charging current, when there is short circuit in charging end, VT1 is saturated, LED2 luminous tube is bright, the forced resetting end 4 foot voltage of NE555 is about zero, triggering circuit is closed.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when without departing substantially from spirit of the present utility model or basic feature, it is possible to realize this utility model in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in this utility model. Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (2)
1. an electromobile battery charger, including resistance R1, electric capacity C1, time base chip U1, diode D1, LED 1 and audion VT1, it is characterized in that, described resistance R1 one end connects power supply VCC and diode D4 positive pole respectively, the resistance R1 other end is connecting luminous diode LED1 positive pole respectively, resistance R2, time base chip U1 pin 8 and resistance R4, the resistance R2 other end connects potentiometer RP1 one end respectively, potentiometer RP1 slide plate, diode D3 positive pole and Shi Ji chip U1 pin 7, base chip U1 pin 2 when diode D3 negative pole connects respectively, time base chip U1 pin 6, electric capacity C1 and resistance R3, the resistance R3 other end connects the potentiometer RP1 other end, base chip U1 pin 5 and electric capacity C2 when the electric capacity C1 other end connects respectively, described resistance R4 other end connecting luminous diode LED2 positive pole, base chip U1 pin 4 and audion VT1 colelctor electrode when LED 2 negative pole connects respectively, audion VT1 base stage connects electric capacity C3 and diode D2 positive pole respectively, diode D2 negative pole connects resistance R6, the resistance R6 other end connects A pole and the accumulator E negative pole of one-way SCR VS respectively, accumulator E cathode connecting diode D4 negative pole, base chip U1 pin 3 when the G pole of described one-way SCR VS is connected by resistance R5, the K pole of one-way SCR VS is connecting triode VT1 emitter stage respectively, time base chip U1 pin 1, the electric capacity C2 other end and diode D1 positive pole, diode D1 negative pole connecting luminous diode LED1 negative pole.
2. a kind of electromobile battery charger according to claim 1, it is characterised in that time described, base chip U1 is NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620025671.8U CN205304333U (en) | 2016-01-12 | 2016-01-12 | Electric motor car battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620025671.8U CN205304333U (en) | 2016-01-12 | 2016-01-12 | Electric motor car battery charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205304333U true CN205304333U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620025671.8U Expired - Fee Related CN205304333U (en) | 2016-01-12 | 2016-01-12 | Electric motor car battery charger |
Country Status (1)
| Country | Link |
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| CN (1) | CN205304333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306924A (en) * | 2017-06-29 | 2017-11-03 | 湖北物连网智能用品有限公司 | A kind of unmanned control device of reading intelligent agriculture |
-
2016
- 2016-01-12 CN CN201620025671.8U patent/CN205304333U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306924A (en) * | 2017-06-29 | 2017-11-03 | 湖北物连网智能用品有限公司 | A kind of unmanned control device of reading intelligent agriculture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |