CN201466760U - Electric vehicle charging, repairing and maintaining instrument - Google Patents
Electric vehicle charging, repairing and maintaining instrument Download PDFInfo
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- CN201466760U CN201466760U CN2009200959910U CN200920095991U CN201466760U CN 201466760 U CN201466760 U CN 201466760U CN 2009200959910 U CN2009200959910 U CN 2009200959910U CN 200920095991 U CN200920095991 U CN 200920095991U CN 201466760 U CN201466760 U CN 201466760U
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Abstract
The utility model discloses an electric vehicle charging, repairing and maintaining instrument, which belongs to the technical field of transportation vehicles, and aims at solving the problem that an existing electric bicycle storage battery charging device is unreasonable in structure and insufficient in charging. The instrument comprises a high-frequency switching power source circuit 1, a control circuit 2, a conversion circuit 3, a protection circuit 4 and an indication circuit 5, wherein the high-frequency switching power source circuit 1 is respectively connected with the control circuit 2, the conversion circuit 3, the protection circuit 4 and the indication circuit 5 and supplies a direct-current power source to the control circuit 2, the conversion circuit 3, the protection circuit 4 and the indication circuit 5, and the control circuit 2 is connected with the conversion circuit 3 connected with the protection circuit 4. The electric vehicle charging, repairing and maintaining instrument has novel structure, and is suitable for charging, repairing and maintaining various electric bicycle battery groups.
Description
Technical field
The utility model belongs to the charging of a kind of electric bike battery in the technical field of transportation means, the instrument of rebuild maintenance.
Background technology
Electric bicycle is subjected to people's love and esteem day by day as a kind of emerging energy-conserving and environment-protective vehicles, has become the indispensable vehicles, and the impetus of fast development is also arranged.Along with improving day by day of living standards of the people and advancing by leaps and bounds of science and technology, also more and more higher to especially the charge specification requirement of accumulator jar of electric bicycle and institute's matching component thereof.In known technology, existing electric bike battery mainly is a lead acid accumulator, but in use, because storage battery can not discharge fully, charge apparatus is limit by its structure, its structural design is unreasonable, and charging voltage is low, does not have to safeguard and repair function, battery can not be full of, reasons such as electrolyte can not get replenishing timely cause inside battery constantly to generate crystalloid sulfidic material, and attached on the battery pole plates, pole plate is cured, be directed at accumulator internal resistance and constantly increase, capacity is more and more littler, has reduced useful life.For adapting to the needs of electric bicycle, a kind of batteries charging instrument of previous exploitation, it mainly comprises by DC power supply circuit and connects indicating circuit that power circuit that Switching Power Supply control integrated circuit UC3842 and peripheral cell form and the indication of charged source, charging indicate etc.The direct current that power circuit is produced charges to the battery of electric bicycle group; in case connect inverse time with the positive and negative polarity of battery pack; because circuit does not have defencive function to cause easily and burns out; and can not connect with multiple charging inlet; charging voltage is low; can not continue charging after battery charge is finished, make battery pack abundance can not prevent sulfuration, cause and use inconvenience battery reparation property.
Summary of the invention
In order to overcome the deficiency of prior art, solve existing electric bike battery charging device unreasonable structure, can not fully charged problem.The purpose of the utility model provides a kind of novel structure, design innovation, and the electricity of the sufficient storage battery of energy, and do not cure, also can directly repair battery pack, its defencive function is strong, novel electric cycle battery charging easy to use, the instrument of rebuild maintenance.
The utility model addresses the above problem the technical scheme of being taked:
A kind of electric motor car charging rebuild maintenance instrument, it comprises: hf switching power supply, control circuit, change-over circuit, protective circuit and indicating circuit, hf switching power supply are connecting control circuit, change-over circuit, protective circuit and indicating circuit respectively and are providing DC power supply for it; Control circuit connects change-over circuit; Change-over circuit connects protective circuit.
Hf switching power supply is provided with: rectifier bridge D, capacitor C 3-14, diode D6-10, Switching Power Supply control integrated circuit UC3842, promote pipe Q5, power transformer T, mains switch K1-2, resistance R 9-21, photoelectrical coupler PC1, three terminal regulator SW, protective tube BX and voltage reference controller TL431. rectifier bridge D input line are in order to external 220V power frequency AC, connect resistance R 17-18 behind the rectifier bridge D output filter capacitor C5 in parallel, connect the elementary of power transformer T behind capacitor C 6-7 and the diode D8-9, resistance R 17 also connects 7 pin of photoelectrical coupler PC1 and integrated circuit UC3842 respectively, diode D8 positive pole connects the resistance-capacitance circuit that is connected by resistance R 16 series capacitance C12 group respectively and promotes pipe Q5, connect 6 pin of integrated circuit UC3842 behind the promotion pipe Q5 series resistance R13,4 pin of integrated circuit UC3842 and the relay WK2 that connects the conversion circuit after 8 pin are connected resistance R 9-10, the inferior-defective level series diode D10 of transformer T connects filter capacitor C4 again and meet three terminal regulator SW after filtering, very it provides 12V constant voltage dc source to be connected the current collection of triode Q2 in the control circuit behind the relay WK2 that is connected change-over circuit by three terminal regulator SW output respectively behind the series electrical source switch K2 and the series resistance R21, the primary and secondary level of transformer T connects behind rectifier diode D6-7 and the filter capacitor C3 output 60V or the 80V direct current is connected photoelectrical coupler PC1 and change-over circuit repeat circuit WK1 respectively, is batteries charging.
Control circuit is provided with: triode Q2-4, resistance R 1-4, capacitor C 1-2, the emitter of triode Q2 connects the emitter of triode Q4, base stage respectively in parallel divider resistance R1-2 and capacitor C 1, be in series with capacitor C 2 between triode Q4 emitter and base stage, connect resistance R 8 in triode Q3 collector electrode and change-over circuit repeat circuit WK2 and the indicating circuit behind the base series resistor R4 of triode Q4, the base stage that is connected triode Q3 behind the collector electrode that collector electrode connects triode Q2 respectively and the series resistance R3, the emitter of triode Q3 connect in the indicating circuit reversing phase switch K3 among the light-emitting diode D4 and change-over circuit respectively.
Change-over circuit is provided with: reversing phase switch K3, relay WK1-2; reversing switch K3 output is connected with external connection a-b, the input of receiving rechargeable battery set fully and connects relay WK1; relay WK1 connects the emitter of triode Q1 in hf switching power supply and the protective circuit respectively, and 8 pin that the contact switch of relay WK2 connects integrated circuit UC3842 in the hf switching power supply and 4 pin, main coil two ends are connected the collector electrode of resistance R 8 and triode Q3 in K switch 2 and the indicating circuit respectively.
Protective circuit is provided with: triode Q1; diode D1-2; resistance R 5-6; photoelectrical coupler PC2; resistance R 2 in the difference connection control circuit behind the collector electrode connection diode D2 of triode Q1; emitter connects change-over circuit repeat circuit WK1; be parallel with resistance R 5 and diode D1 on the base stage of triode Q1; diode D1 and corresponding respectively again negative pole and the positive pole that is connected reversing phase switch K3 in the change-over circuit of resistance R 5; the cathode series resistance R6 of photoelectrical coupler PC2 drive end luminous tube connects the positive pole of reversing phase switch K3 in the conversion circuit; negative pole connects the negative pole of reversing phase switch K3, and the electric coupling end of photoelectrical coupler PC2 connects 4 pin and 5 pin of integrated circuit UC3842 respectively.
Indicating circuit is provided with: light-emitting diode D3-5 and resistance R 7-8, light-emitting diode D3 positive and negative electrode is connected in collector electrode, the emitter of control circuit triode Q2 and triode Q4, light-emitting diode D4 series resistance R8 is connected to emitter, the collector electrode of triode Q3, and light-emitting diode D5 series resistance R7 is connected to positive pole, the negative pole of reversing phase switch K3.
Above-mentioned electric motor car charging rebuild maintenance instrument, three terminal regulator SW is 7812 type three terminal regulators in the described hf switching power supply, or the galvanic three terminal regulator of other output 12V.
Above-mentioned electric motor car charging rebuild maintenance instrument, Switching Power Supply integrated manipulator integrated circuit UC3842 in the described hf switching power supply, or Switching Power Supply integrated manipulator of the same type.
When the utility model uses; the battery pack that electric motor car is to be charged inserts reversing phase switch K3 input; stirring reversing switch K3 connects correctly the polarity of battery and the electric power polarity of maintenance instrument output; at this moment power supply indication light-emitting diode D2 lights; triode Q1 base stage obtains positive voltage and triggering and conducting in the protective circuit; the actuating coil of relay WK1 has electric current to flow through and adhesive; the positive terminal of battery pack and the positive terminal of Switching Power Supply output are connected; at this moment photoelectrical coupler PC2 is that working inverse voltage can not be worked because of what obtain; thereby operate as normal that can not limit switch power supply oscillating integrated circuit UC3842; connect 220 volts of AC power so just can repair or charge battery; if the electric power polarity of the electric power polarity of battery pack and Switching Power Supply output connects instead; triode Q1 base stage can not get positive energize voltage and ends in the protective circuit; the actuating coil of relay WK1 can not get 24V operating voltage and can not adhesive; the electric current of battery pack does not enter in the circuit; power supply indicator light-emitting diode D2 does not work yet; but at this moment photoelectrical coupler PC2 obtains is forward voltage and conducting; thereby with short circuit between the 4 pin internal oscillator circuits of Switching Power Supply oscillating integrated circuit UC3842 and the ground; force integrated circuit UC3842 failure of oscillation; close output voltage, thoroughly solve the drawback that in a single day connects inverse time damage charging and prosthetic appliance because of electric power polarity.
When mains switch K2 in the hf switching power supply connects is charge function, during initial charge in the control circuit mid-point voltage between divider resistance R1 and the resistance R 2 do not reach the magnitude of voltage of triode Q2 conducting in the trigger control circuit, triode Q2 is in cut-off state, at this moment charging indicator light light-emitting diode D3 lights, therefore the base stage of triode Q3 obtains trigger voltage and conducting, safeguard in the indicating circuit that simultaneously indicator light light-emitting diode D4 two ends can not be lighted by triode Q3 emitter and collector electrode short circuit, again because collector electrode and the emitter conducting of triode Q3, thereby with the actuating coil one end ground connection of relay WK2 and the adhesive of working, 4 pin of power supply oscillating integrated circuit UC3842 and external oscillation resistance R9 and the resistance R 10 between 8 pin are together in parallel, make Switching Power Supply partly export bigger operating current to battery charge, when battery charging voltage reaches rated value, mid-point voltage between divider resistance R1 and the resistance R 2 rise to one can trigger triode Q2 conducting value the time, triode Q2 conducting work, the D3 short circuit of charging indicator light light-emitting diode is extinguished, triode Q3 base stage has not had trigger voltage and has closed, safeguard indicator light light-emitting diode D4 two ends releasing short-circuit condition and light luminous, the base stage of same triode Q4 obtains trigger voltage and conducting by the actuating coil of relay WK2, with the short circuit of triode Q3 base stage in ground, make triode Q3 be in closed condition forever, prevent that relay WK2 from getting back to attracting state once more, an end and the ground of the actuating coil of relay WK2 disconnect and discharge simultaneously in this, with resistance R 9 breaking circuits, thereby the frequency of oscillation of power supply oscillating integrated circuit UC3842 is reduced, electric power outputting current is reduced about 70%, continuation is with high pressure, the form of little electric current is to the charging of battery reparation property, play the effect of battery maintenance, remedied the defective of common charger undercharge.
When repairing battery pack, mains switch K2 is disconnected, like this relay WK2 can not get all the time 12V operating voltage and can not adhesive, force resistance R 9 can not be connected in parallel with resistance R 10 forever, power unit will be in the state of the little electric current of output forever, thereby just can repair for a long time, the activated batteries group.
Because technique scheme has been adopted in the utility model design, solved effectively existing electric bike battery charging device unreasonable structure, can not fully charged problem.Show through testing result on trial for several times; it compared with prior art; has novel structure, design innovation, the sufficient storage battery of energy; and do not cure; also can directly repair battery pack, advantage such as its defencive function is strong, and is easy to use; be applicable to charging, reparation and the maintenance of various battery of electric bicycle group, good practicality and wide development prospect are arranged.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is connection side's block diagram of the utility model embodiment.
Fig. 2 is the basic circuit diagram of the utility model embodiment.
Each label is in the accompanying drawing: 1 hf switching power supply; 2 control circuits; 3 change-over circuits; 4 protective circuits; 5 indicating circuits.
Embodiment
Embodiment as shown in Figure 1, the utility model is provided with: hf switching power supply 1, control circuit 2, change-over circuit 3, protective circuit 4 and indicating circuit 5, hf switching power supply 1 are connecting control circuit 2, change-over circuit 3, protective circuit 4 and indicating circuit 5 respectively and are providing DC power supply for it; Control circuit 2 connects change-over circuit 3; Change-over circuit 3 connects protective circuit 4.
Referring to accompanying drawing 2 embodiment, in the utility model:
1., hf switching power supply is provided with: rectifier bridge D, capacitor C 3-14, diode D6-10, Switching Power Supply control integrated circuit UC3842, promote pipe Q5, power transformer T, mains switch K1-2, resistance R 9-21, photoelectrical coupler PC1, three terminal regulator SW, protective tube BX and voltage reference controller TL431. rectifier bridge D input line are in order to external 220V power frequency AC, connect resistance R 17-18 behind the rectifier bridge D output filter capacitor C5 in parallel, connect the elementary of power transformer T behind capacitor C 6-7 and the diode D8-9, resistance R 17 also connects 7 pin of photoelectrical coupler PC1 and integrated circuit UC3842 respectively, diode D8 positive pole connects the resistance-capacitance circuit that is connected by resistance R 16 series capacitance C12 group respectively and promotes pipe Q5, connect 6 pin of integrated circuit UC3842 behind the promotion pipe Q5 series resistance R13,4 pin of integrated circuit UC3842 and the relay WK2 that connects the conversion circuit after 8 pin are connected resistance R 9-10, after connecting filter capacitor C4 again, the inferior-defective level series diode D10 of transformer T meets three terminal regulator SW, very it provides 12V constant voltage dc source to be connected the current collection of triode Q2 in the control circuit behind the relay WK2 that is connected change-over circuit by three terminal regulator SW output respectively behind the series electrical source switch K2 and the series resistance R21, and the primary and secondary level of transformer T connects to be exported the 80V direct current behind rectifier diode D6-7 and the filter capacitor C3 and be connected photoelectrical coupler PC1 and change-over circuit repeat circuit WK1 respectively;
2., control circuit is provided with: triode Q2-4, resistance R 1-4, capacitor C 1-2, the emitter of triode Q2 connects the emitter of triode Q4, base stage respectively in parallel divider resistance R1-2 and capacitor C 1, be in series with capacitor C 2 between triode Q4 emitter and base stage, connect resistance R 8 in triode Q3 collector electrode and change-over circuit repeat circuit WK2 and the indicating circuit behind the base series resistor R4 of triode Q4, the base stage that is connected triode Q3 behind the collector electrode that collector electrode connects triode Q2 respectively and the series resistance R3, the emitter of triode Q3 connect in the indicating circuit reversing phase switch K3 among the light-emitting diode D4 and change-over circuit respectively;
3., change-over circuit is provided with: reversing phase switch K3, relay WK1-2, reversing switch K3 output is connected with external connection a-b, the input of receiving rechargeable battery set fully and connects relay WK1, relay WK1 connects the emitter of triode Q1 in hf switching power supply and the protective circuit respectively, and 8 pin that the contact switch of relay WK2 connects integrated circuit UC3842 in the hf switching power supply and 4 pin, main coil two ends are connected the collector electrode of resistance R 8 and triode Q3 in K switch 2 and the indicating circuit respectively;
4., protective circuit is provided with: protective circuit is provided with: triode Q1, diode D1-2, resistance R 5-6, photoelectrical coupler PC2, resistance R 2 in the difference connection control circuit behind the collector electrode connection diode D2 of triode Q1, emitter connects change-over circuit repeat circuit WK1, be parallel with resistance R 5 and diode D1 on the base stage of triode Q1, diode D1 and corresponding respectively again negative pole and the positive pole that is connected reversing phase switch K3 in the change-over circuit of resistance R 5, the cathode series resistance R6 of photoelectrical coupler PC2 drive end luminous tube connects the positive pole of reversing phase switch K3 in the conversion circuit, negative pole connects the negative pole of reversing phase switch K3, and the electric coupling end of photoelectrical coupler PC2 connects 4 pin and 5 pin of integrated circuit UC3842 respectively;
5., indicating circuit is provided with: light-emitting diode D3-5 and resistance R 7-8, light-emitting diode D3 positive and negative electrode is connected in collector electrode, the emitter of control circuit triode Q2 and triode Q4, light-emitting diode D4 series resistance R8 is connected to emitter, the collector electrode of triode Q3, and light-emitting diode D5 series resistance R7 is connected to positive pole, the negative pole of reversing phase switch K3.
Claims (3)
1. electric motor car charging rebuild maintenance instrument; it comprises power circuit, indicating circuit; it is characterized in that; also comprise control circuit (2), change-over circuit (3) and protective circuit (4); power circuit is to connect control circuit (2), change-over circuit (3), protective circuit (4) and indicating circuit respectively and providing the hf switching power supply (1) of DC power supply for it; control circuit (2) connects change-over circuit (3), and change-over circuit (3) connects protective circuit (4).
2. electric motor car charging rebuild maintenance instrument according to claim 1 is characterized in that,
1., hf switching power supply (1) is provided with rectifier bridge D, capacitor C 3-14, diode D6-10, integrated circuit UC3842, promote pipe Q5, power transformer T, mains switch K1-2, resistance R 9-21, photoelectrical coupler PC1, three terminal regulator SW and voltage reference controller TL431, the input line of rectifier bridge D is in order to external 220V power frequency AC, connect resistance R 17-18 behind the output filter capacitor C5 in parallel, connect the elementary of power transformer T behind capacitor C 6-7 and the diode D8-9, resistance R 17 also connects 7 pin of photoelectrical coupler PC1 and integrated circuit UC3842 respectively, diode D8 positive pole connects the resistance-capacitance circuit that is connected by resistance R 16 series capacitance C12 group respectively and promotes pipe Q5, connect 6 pin of integrated circuit UC3842 behind the promotion pipe Q5 series resistance R13,4 pin of integrated circuit UC3842 and the relay WK2 that connects the conversion circuit after 8 pin are connected resistance R 9-10, after connecting filter capacitor C4 again, the inferior-defective level series diode D10 of transformer T meets three terminal regulator SW, very it provides 12V constant voltage dc source to be connected the current collection of triode Q2 in the control circuit behind the relay WK2 that is connected change-over circuit by three terminal regulator SW output respectively behind the series electrical source switch K2 and the series resistance R5, and the inferior-defective level of transformer T connects to be exported the 60V direct current behind rectifier diode D6-7 and the filter capacitor C3 and be connected photoelectrical coupler PC1 and change-over circuit repeat circuit respectively;
2., control circuit (2) is provided with triode Q2-4, resistance R 1-4, capacitor C 1-2, the emitter of triode Q2 connects the emitter of triode Q4, base stage respectively in parallel divider resistance R1-2 and capacitor C 1, be in series with capacitor C 2 between the emitter of triode Q4 and base stage, connect resistance R 8 in triode Q3 collector electrode and change-over circuit repeat circuit WK2 and the indicating circuit behind the base series resistor R4 of triode Q4, the base stage that is connected triode Q3 behind the collector electrode that collector electrode connects triode Q2 respectively and the series resistance R3, the emitter of triode Q3 connect in the indicating circuit reversing phase switch among the light-emitting diode D4 and change-over circuit respectively;
3., change-over circuit (3) is provided with reversing phase switch K3, relay WK1-2, reversing switch K3 output is connected with external connection a-b, the input of receiving rechargeable battery set fully and connects relay WK1, relay WK1 connects the emitter of triode Q1 in hf switching power supply and the protective circuit respectively, and 8 pin that the contact switch of relay WK2 connects integrated circuit UC3842 in the hf switching power supply and 4 pin, main coil two ends are connected the collector electrode of resistance R 8 and triode Q3 in K switch 2 and the indicating circuit respectively;
4., protective circuit (4) is provided with triode Q1, diode D1-2, resistance R 5-6, photoelectrical coupler PC2, resistance R 2 in the difference connection control circuit behind the collector electrode connection diode D2 of triode Q1, emitter connects change-over circuit repeat circuit WK1, be parallel with resistance D1 on the triode Q1 base stage, diode D1 and corresponding respectively again negative pole and the positive pole that is connected reversing phase switch K3 in the change-over circuit of resistance R 5, the cathode series resistance R6 of the drive end luminous tube of photoelectrical coupler PC2 connects the positive pole of reversing phase switch K3 in the conversion circuit, negative pole connects the negative pole of reversing phase switch K3, and the electric coupling end of photoelectrical coupler PC2 connects 4 pin and 5 pin of integrated circuit UC3842 respectively;
5., indicating circuit is provided with light-emitting diode D3-5 and resistance R 7-8, the positive and negative electrode of light-emitting diode D3 is connected in collector electrode, the emitter of control circuit triode Q2 and triode Q4, light-emitting diode D4 series resistance R8 is connected to emitter, the collector electrode of triode Q3, and light-emitting diode D5 series resistance R7 is connected to positive pole, the negative pole of reversing phase switch K3.
3. electric motor car charging rebuild maintenance instrument according to claim 2, it is characterized in that the inferior-defective level of transformer T connects behind rectifier diode D6-7 and the filter capacitor C3 or output 80V direct current is connected photoelectrical coupler PC1 and change-over circuit repeat circuit WK1. respectively
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200959910U CN201466760U (en) | 2009-03-21 | 2009-03-21 | Electric vehicle charging, repairing and maintaining instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200959910U CN201466760U (en) | 2009-03-21 | 2009-03-21 | Electric vehicle charging, repairing and maintaining instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466760U true CN201466760U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200959910U Expired - Fee Related CN201466760U (en) | 2009-03-21 | 2009-03-21 | Electric vehicle charging, repairing and maintaining instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859816A (en) * | 2018-06-01 | 2018-11-23 | 六安市同心畅能电子科技有限公司 | Energy-saving control circuit with the electric car charger for repairing lead-acid battery function |
-
2009
- 2009-03-21 CN CN2009200959910U patent/CN201466760U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859816A (en) * | 2018-06-01 | 2018-11-23 | 六安市同心畅能电子科技有限公司 | Energy-saving control circuit with the electric car charger for repairing lead-acid battery function |
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| Date | Code | Title | Description |
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| 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: 20100512 Termination date: 20110321 |