CN207291719U - Vehicular charger control system - Google Patents
Vehicular charger control system Download PDFInfo
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- CN207291719U CN207291719U CN201721224061.1U CN201721224061U CN207291719U CN 207291719 U CN207291719 U CN 207291719U CN 201721224061 U CN201721224061 U CN 201721224061U CN 207291719 U CN207291719 U CN 207291719U
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- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of Vehicular charger control system, belong to charge control technical field, including the major loop that charges, further include tension measuring circuit, current measurement circuit, protect circuit, display circuit, battery management chip and control chip, the tension measuring circuit connects charging major loop with current measurement circuit, the input terminal connection power supply of charging major loop, tension measuring circuit connects battery management chip with the output terminal of current measurement circuit, the output terminal connection display circuit and control chip of battery management chip, control chip connection protection circuit, the output terminal of protection circuit is connected with power conversion circuit, the output terminal access storage battery of power conversion circuit, the utility model uses the control technology that battery management chip is combined with control chip, realize automatic charging, charge efficiency is high, it is safe and reliable.
Description
Technical field
A kind of Vehicular charger control system is the utility model is related to, belongs to charge control technical field.
Background technology
Current charger species is various, and major class has two major class of quick charge and normal charge.For normal charge, there is tiny stream
Four charging stages such as charging, constant-current charge, constant-voltage charge, floating charge, functionally, have full of automatic stop, have it is electrodeless
Property etc., whatsoever mode, which charges, is required for being manually set, adjusts, this just needs to have the personnel of certain experiences to see for a long time
Pipe, adjusted.
In view of this, how according to the charge capacity adjust automatically charging stage so that charge efficiency is high, extends storage battery
Service life；Need to have detection to be at any time electrically charged the various parameters of storage battery and the parameter of detection can be transmitted to charge control
Chip and the control system for performing the charging instruction of charge controlling chip, to automatically control charger switching charged state.
Utility model content
The purpose of this utility model is to provide a kind of Vehicular charger control system, using battery management chip and control
The control technology that coremaking piece is combined, realizes automatic charging.
Vehicular charger control system described in the utility model, including charging major loop, control system further include electricity
Measuring circuit, current measurement circuit, protection circuit, display circuit, battery management chip and control chip, the voltage is pressed to survey
Amount circuit connect with current measurement circuit charging major loop, the major loop that charges input terminal connection power supply, tension measuring circuit with
The output terminal connection battery management chip of current measurement circuit, the output terminal connection display circuit and control core of battery management chip
Piece, control chip connection protection circuit, protects the output terminal of circuit to be connected with power conversion circuit, the output of power conversion circuit
Terminate into storage battery.
The input termination AC power of charging major loop, exports termination storage battery, by voltage detecting by power conversion circuit
Circuit, current detection circuit connect charging major loop, measure voltage and current signal after battery management chip collection judgement processing,
Control signal is sent by control chip, driving charging main circuit power is changed after drive control, and battery management chip exports at the same time
Charging status signal indicates corresponding charged state to display circuit.
The control system, which further includes, powers on buffer circuit, powers on buffer circuit connection charging major loop.
The tension measuring circuit includes first resistor, second resistance, 3rd resistor and the 4th resistance being sequentially connected in series,
Connection has the 5th resistance and the 6th resistance after 4th resistance, and the parallel connection outside of the 5th resistance is grounded after having the first capacitance, the 5th electricity
Battery management chip is connected after resistance output voltage.
Tension measuring circuit be with after electric resistance partial pressure and capacitor filtering by the 8th foot of battery management chip and the 20th foot
Charged state is controlled, is joined by first resistor, second resistance, 3rd resistor, the 5th resistance of the 4th resistance and the 6th resistance and battery
Number can calculate the charging high current starting voltage Vt, over-pressed charging voltage Voc, floating charge voltage VF of storage battery.Work as electric power storage
Tiny stream is carried out when cell voltage is less than Vt to fill, and constant-current charge is entered when battery tension is higher than Vt, charging voltage carries out after reaching Voc
Constant-voltage charge, floating charge VF is entered when charging current is reduced to the 10% of I constant currents and completes to charge.
The current measurement circuit includes the 8th resistance, the 9th resistance and the tenth resistance in parallel successively, the 8th resistance,
The both ends of 9th resistance and the tenth resistance are parallel with adjustable resistance and the second capacitance, the second capacitance connection battery management chip.
Current measurement circuit be with after the sampling in parallel of the 8th resistance, the 9th resistance and the tenth resistance and adjustable resistance by
Current value I constant currents when 16 feet of battery management chip and 17 feet sample real time charging electric current and control constant-current charge.
The protection circuit includes temperature protection circuit and reverse connection prevention protection circuit, and wherein temperature protection circuit includes the
Two triodes, the base stage and emitter of the second triode are connected with temperature sensor, and the collector of the second triode is connected with temperature
Degree switch, temperature switch are connected with the second comparator, and wherein temperature switch connects No. nine pin of the second comparator, the second ratio
No. nine pin compared with device also connects 12V power supplys, No. eight pin connection control core of the second comparator by the 13rd resistance
The enabled foot of piece.
The enabled foot of temperature protection circuit application temperature sensor and temperature switch control control chip, when battery temperature surpasses
Temperature switch closes after crossing certain value, closes the second triode, and 12V power supplys are compared by accessing second after the 13rd resistance
No. 9 pins of device, with 5.1V relatively after exported in the 8th pin and low level and then the soft start foot of control chip is dragged down closing
PWM is exported.
The reverse connection prevention protection circuit includes the 4th triode, and the collector of the 4th triode is connected with the 3rd relay
Device, the base stage of the 4th triode by connecting the cathode of storage battery after the 14th resistance and reversal connection diode, the 4th triode
Emitter connects the anode of storage battery, and the 4th triode and collector and emitter parallel connection outside have the 15th resistance.
Whether reverse connection prevention protection circuit controls the 3rd relay of output to close and then controls output using the 4th triode,
When the reversed anode for being connected to storage battery of charger output BAT+, BAT- reversal connections to storage battery cathode when, by the 14th resistance,
The base voltage that 15th electric resistance partial pressure, reversal connection diode are linked into the 4th triode makes the 4th triode less than emitter voltage
Shut-off, makes the 3rd relay cause the 3rd relay not close without 12V power supplies and does not export.
The display circuit includes three or eight decoders, transistor and counter, and the output terminal of battery management chip passes through
Output interface connects three or eight decoders, transistor and counter respectively, and three or eight decoders are connected with the first instruction by transistor
Lamp, the second indicator light and the 3rd indicator light, counter connect three or eight decoders and transistor, the output terminal connection of counter respectively
There are the 18th resistance and the 5th triode, the 18th resistance connects the base stage of the 5th triode, and the collector of the 5th triode connects
The 4th indicator light and the 17th resistance are connected to, the 17th resistance connects the first indicator light, the second indicator light by the 16th resistance
With the circuit of the 3rd indicator light.
Present charge state is exported to three or eight decoders, three or eight decoders by output interface when battery management chip exports
Export present charge state and then control the first indicator light, the second indicator light, the 3rd indicator light bright, when being currently in last
During charged state floating charge, counter, which enters when count mode technology is completed, exports high level to the 18th resistance, the 5th triode
It is bright to turn on the 4th indicator light of charging complete；When be respectively at tiny stream fill, constant current and transistor will can accordingly refer to during constant-voltage charge state
Show that lamp drags down, 12V power supplies are lighted the first indicator light, the second indicator light, the 3rd indicator light by the 16th resistance.
The buffer circuit that powers on includes the first bus capacitor in parallel successively, the second bus capacitor and triple bus-bar electricity
Holding, one end of the first bus capacitor, the second bus capacitor and triple bus-bar capacitance connection positive pole is in series with the 11st resistance,
The both ends of 11st resistance are connected to the first relay and the second relay, the 11st resistance connect the first relay and
The cathode and anode of optical coupling isolator are connected with the circuit of second relay, the emitter of optical coupling isolator is connected with the first ratio
Compared with device, the output terminal of first comparator is connected with the first triode, and the first triode connects the first relay and the second relay
Circuit, the outside of light coupling relay emitter is also associated with the 12nd resistance and the 4th bus capacitor, the one of the 12nd resistance
End connection 12V power supplys.
Powered on moment, due to the first relay and the second relay without 12V power supply stations with the first relay and the second relay
Device does not close, and the 11st resistance is current-limiting resistance, to the first bus capacitor, the second bus capacitor and triple bus-bar in sequential circuit
Capacitance charges, and the access of the 11st resistance reduces charging current and plays the role of powering on buffering；With the charging to charging capacitor
Complete, 3 feet of optical coupling isolator and the output of 4 feet disconnect, and 12V power supplys charge the 4th bus capacitor by the 12nd resistance, together
When first comparator 5 feet and 6 feet make the first triode ON by exporting low level in 7 feet after comparison, the first relay and
The 11st resistance no longer works after second relay closure.
The battery management chip uses UC3909 chips, and control chip uses MC33025 chips.
The utility model compared with prior art, has the advantages that：
A kind of Vehicular charger control system is provided, using battery management chip UC3909 and control chip MC33025
The control technology being combined, makes charging process be not required to very important person to keep an eye on, automatic to differentiate the electricity for connecing battery, and realization is filled automatically
Electricity, makes battery be in best charge state, and output is automatically closed after being full of, and with overcurrent, over-voltage protecting function, charge efficiency
Height, it is safe and reliable, can extensive use.
Brief description of the drawings
Fig. 1 is that the circuit of the utility model embodiment connects block diagram；
Fig. 2 is tension measuring circuit figure in the utility model embodiment；
Fig. 3 is current measurement circuit figure in the utility model embodiment；
Fig. 4 is to power on buffer circuit figure in the utility model embodiment；
Fig. 5 is temperature protection circuit diagram in the utility model embodiment；
Fig. 6 is reverse-connection preventing circuit figure in the utility model embodiment；
Fig. 7 is display circuit figure in the utility model；
In figure：R1, first resistor；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；R5, the 5th resistance；R6、
6th resistance；R8, the 8th resistance；R9, the 9th resistance；R10, the tenth resistance；R11, the 11st resistance；R12, the 12nd resistance；
R13, the 13rd resistance；R14, the 14th resistance；R15, the 15th resistance；R16, the 16th resistance；R17, the 17th resistance；
R18, the 18th resistance；C1, the first capacitance；C2, the second capacitance；E1, the first bus capacitor；E2, the second bus capacitor；E3,
Triple bus-bar capacitance；E4, the 4th bus capacitor；J1, the first relay；J2, the second relay；J3, the 3rd relay；T1, first
Triode；T2, the second triode；T3, temperature switch；T4, the 4th triode；T5, the 5th triode；IC1, first comparator；
IC2, the second comparator；IC3, counter；IC4, three or eight decoders；IC5, transistor；LD1, the first indicator light；LD2, second refer to
Show lamp；LD3, the 3rd indicator light；LD4, the 4th indicator light；D1, temperature sensor；D2, reversal connection diode；B1, adjustable resistance；
U1, light coupling relay.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples：
Embodiment
As shown in Figure 1, Vehicular charger control system described in the utility model, including charging major loop, control system
System further includes tension measuring circuit, current measurement circuit, protection circuit, display circuit, battery management chip and control chip, institute
The tension measuring circuit stated connects charging major loop, the input terminal connection power supply for the major loop that charges, voltage with current measurement circuit
Measuring circuit connects battery management chip, the output terminal connection display electricity of battery management chip with the output terminal of current measurement circuit
Road and control chip, control chip connection protection circuit, protect the output terminal of circuit to be connected with power conversion circuit, power conversion
The output terminal access storage battery of circuit.
In order to further illustrate above-described embodiment, control system, which further includes, powers on buffer circuit, powers on buffer circuit connection
Charge major loop.
In order to further illustrate above-described embodiment, as shown in Fig. 2, tension measuring circuit includes the first resistor being sequentially connected in series
R1, second resistance R2,3rd resistor R3 and the 4th resistance R4, after the 4th resistance R4 connection have the 5th resistance R5 and the 6th resistance
The parallel connection outside of R6, the 5th resistance R5 are grounded after having the first capacitance C1, and battery management core is connected after the 5th resistance R5 output voltages
Piece.
In order to further illustrate above-described embodiment, as shown in figure 3, current measurement circuit includes the 8th resistance in parallel successively
The both ends of R8, the 9th resistance R9 and the tenth resistance R10, the 8th resistance R8, the 9th resistance R9 and the tenth resistance R10 are parallel with adjustable
Resistance B1 and the second capacitance C2, the second capacitance C2 connection battery management chips.
In order to further illustrate above-described embodiment, as shown in figure 5, protection circuit includes temperature protection circuit and anti-reverse guarantor
The base stage and emitter that protection circuit, wherein temperature protection circuit include the second triode T2, the second triode T2 are connected with temperature
The collector of sensor D1, the second triode T2 are connected with temperature switch T3, and temperature switch T3 is connected with the second comparator IC2,
Wherein No. nine pin of the second comparator of temperature switch T3 connections IC2, No. nine pin of the second comparator IC2 also pass through
13 resistance R13 connection 12V power supplys, the enabled foot of No. eight pin connection control chip of the second comparator IC2.
In order to further illustrate above-described embodiment, as shown in fig. 6, reverse connection prevention protection circuit includes the 4th triode T4, the
The collector of four triode T4 is connected with the 3rd relay J3, and the base stage of the 4th triode T4 passes through the 14th resistance R14 and anti-
Connect the cathode that storage battery is connected after diode D2, the anode of the emitter connection storage battery of the 4th triode T4, the 4th triode
T4 and collector and emitter parallel connection outside have the 15th resistance R15.
In order to further illustrate above-described embodiment, as shown in fig. 7, display circuit includes three or eight decoder IC4, transistor
IC5 and counter IC3, the output terminal of battery management chip connect three or eight decoder IC4, transistor by output interface respectively
IC5 and counter IC3, three or eight decoder IC4 by transistor IC5 be connected with the first indicator light LD1, the second indicator light LD2 and
3rd indicator light LD3, counter IC3 connect three or eight decoder IC4 and transistor IC5, the output terminal connection of counter IC3 respectively
There are the 18th resistance R18 and the 5th triode T5, the base stage of the 5th triode T5 of the 18th resistance R18 connections, the 5th triode
The collector of T5 is connected with the 4th indicator light LD4 and the 17th resistance R17, and the 17th resistance R17 is connected by the 16th resistance R16
Connect the circuit of the first indicator light LD1, the second indicator light LD2 and the 3rd indicator light LD3.
In order to further illustrate above-described embodiment, as shown in figure 4, powering on buffer circuit includes the first busbar in parallel successively
Capacitance E1, the second bus capacitor E2 and triple bus-bar capacitance E3, the first bus capacitor E1, the second bus capacitor E2 and triple bus-bar
One end of capacitance E3 connection positive poles is in series with the 11st resistance R11, and the both ends of the 11st resistance R11 are connected to first
Relay J1 and the second relay J2, the 11st resistance R11 is on the circuit of connection the first relay J1 and the second relay J2
The cathode and anode of optical coupling isolator U1 are connected with, the emitter of optical coupling isolator U1 is connected with first comparator IC1, the first ratio
Output terminal compared with device IC1 is connected with the first triode T1, first triode T1 connections the first relay J1 and the second relay J2
Circuit, the outsides of light coupling relay U1 emitters is also associated with the 12nd resistance R12 and the 4th bus capacitor E4, the 12nd electricity
Hinder one end connection 12V power supplys of R12.
In order to further illustrate above-described embodiment, battery management chip uses UC3909 chips, and control chip uses
MC33025 chips.
The operation principle of the present embodiment is：The input termination AC power of charging major loop, is exported by power conversion circuit
Storage battery is terminated, charging major loop is connect by voltage detecting circuit, current detection circuit, voltage and current signal is measured and passes through cell tube
After managing chip UC3909 collection judgement processing, control signal is sent by control chip MC33025, charging master is driven after drive control
Power loop is changed, and battery management chip exports charging status signal and indicates corresponding charged state, power to display circuit at the same time
Translation circuit and charging major loop are circuit of the prior art, wherein temperature protection circuit application temperature sensor D1 and temperature
The enabled foot of T3 control control chips is switched, temperature switch T3 is closed after battery temperature exceedes certain value, makes the two or three pole
Pipe T2 is closed, 12V power supplys by accessing No. 9 pins of the second comparator IC2 after the 13rd resistance R13, with 5.1V relatively after
8th pin, which exports low level and then drags down the soft start foot of control chip MC33025, closes PWM outputs, the control of this charger
System peak power output 1.2KW, exchange input range are 165V-260V.
Due to carrying out charge control using battery management chip UC3909, according to the different each stage charging voltages of battery
All different with electric current, therefore use the battery management chip as charging process control device, the control chip detects during charging
The charging voltage and electric current of rechargeable battery, battery temperature, prevent that circuit overvoltage and overcurrent and battery temperature are excessive.
Using the Vehicular charger control system of the embodiment of the utility model described above in association with attached drawing, battery is used
The control technology that managing chip is combined with control chip, realizes automatic charging.But the utility model is not limited to described
Embodiment, do not depart from the utility model principle and spirit in the case of these to embodiment carry out change, modification,
Replace and deformation is still fallen within the scope of protection of the utility model.
Claims (9)
1. a kind of Vehicular charger control system, including charging major loop, it is characterised in that：Control system further includes voltage survey
Measure circuit, current measurement circuit, protection circuit, display circuit, battery management chip and control chip, voltage measurement electricity
Road connects charging major loop, the input terminal connection power supply for the major loop that charges, tension measuring circuit and electric current with current measurement circuit
The output terminal connection battery management chip of measuring circuit, the output terminal connection display circuit and control chip of battery management chip,
Control chip connection protection circuit, protects the output terminal of circuit to be connected with power conversion circuit, the output terminal of power conversion circuit
Access storage battery.
2. Vehicular charger control system according to claim 1, it is characterised in that：The control system further includes
Buffer circuit is powered on, powers on buffer circuit connection charging major loop.
3. Vehicular charger control system according to claim 1, it is characterised in that：The tension measuring circuit bag
Include the first resistor (R1) being sequentially connected in series, second resistance (R2), 3rd resistor (R3) and the 4th resistance (R4), the 4th resistance (R4)
Connection has the 5th resistance (R5) and the 6th resistance (R6) afterwards, and the parallel connection outside of the 5th resistance (R5) has the first capacitance (C1) to be followed by
Ground, connects battery management chip after the 5th resistance (R5) output voltage.
4. Vehicular charger control system according to claim 1, it is characterised in that：The current measurement circuit bag
Include the 8th resistance (R8), the 9th resistance (R9) and the tenth resistance (R10) in parallel successively, the 8th resistance (R8), the 9th resistance
(R9) and the both ends of the tenth resistance (R10) are parallel with adjustable resistance (B1) and the second capacitance (C2), the second capacitance (C2) connection electricity
Pond managing chip.
5. Vehicular charger control system according to claim 1, it is characterised in that：The protection circuit includes temperature
Degree protection circuit and reverse connection prevention protection circuit, wherein temperature protection circuit include the second triode (T2), the second triode (T2)
Base stage and emitter be connected with temperature sensor (D1), the collector of the second triode (T2) is connected with temperature switch (T3),
Temperature switch (T3) is connected with No. nine of the second comparator (IC2), wherein temperature switch (T3) the second comparator of connection (IC2)
Pin, No. nine pin of the second comparator (IC2) also connect 12V power supplys, the second comparator by the 13rd resistance (R13)
(IC2) the enabled foot of No. eight pin connection control chip.
6. Vehicular charger control system according to claim 5, it is characterised in that：The reverse connection prevention protection circuit
Including the 4th triode (T4), the collector of the 4th triode (T4) is connected with the 3rd relay (J3), the 4th triode (T4)
Base stage connect the cathode of storage battery afterwards by the 14th resistance (R14) and reversal connection diode (D2), the 4th triode (T4)
Emitter connects the anode of storage battery, and the 4th triode (T4) and collector and emitter parallel connection outside have the 15th resistance
(R15)。
7. Vehicular charger control system according to claim 1, it is characterised in that：The display circuit includes three
Eight decoders (IC4), transistor (IC5) and counter (IC3), the output terminal of battery management chip are connected respectively by output interface
Three or eight decoders (IC4), transistor (IC5) and counter (IC3) are connect, three or eight decoders (IC4) are connected by transistor (IC5)
The first indicator light (LD1), the second indicator light (LD2) and the 3rd indicator light (LD3) are connected to, counter (IC3) connects three or eight respectively
Decoder (IC4) and transistor (IC5), the output terminal of counter (IC3) are connected with the 18th resistance (R18) and the 5th triode
(T5), the 18th resistance (R18) connects the base stage of the 5th triode (T5), and the collector of the 5th triode (T5) is connected with the 4th
Indicator light (LD4) and the 17th resistance (R17), the 17th resistance (R17) connect the first indicator light by the 16th resistance (R16)
(LD1), the circuit of the second indicator light (LD2) and the 3rd indicator light (LD3).
8. Vehicular charger control system according to claim 2, it is characterised in that：Described powers on buffer circuit bag
Include the first bus capacitor (E1), the second bus capacitor (E2) and triple bus-bar capacitance (E3) in parallel successively, the first bus capacitor
(E1), one end of the second bus capacitor (E2) and triple bus-bar capacitance (E3) connection positive pole is in series with the 11st resistance
(R11), the both ends of the 11st resistance (R11) are connected to the first relay (J1) and the second relay (J2), the 11st electricity
Resistance (R11) is connected with the cathode of optical coupling isolator (U1) on the circuit for connecting the first relay (J1) and the second relay (J2)
And anode, the emitter of optical coupling isolator (U1) are connected with first comparator (IC1), the output terminal of first comparator (IC1) connects
The first triode (T1) is connected to, the first triode (T1) connects the circuit of the first relay (J1) and the second relay (J2), light
The outside of coupling relay (U1) emitter is also associated with the 12nd resistance (R12) and the 4th bus capacitor (E4), the 12nd resistance
(R12) one end connection 12V power supplys.
9. according to any Vehicular charger control systems of claim 1-8, it is characterised in that：The battery management
Chip uses UC3909 chips, and control chip uses MC33025 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721224061.1U CN207291719U (en) | 2017-09-22 | 2017-09-22 | Vehicular charger control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721224061.1U CN207291719U (en) | 2017-09-22 | 2017-09-22 | Vehicular charger control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207291719U true CN207291719U (en) | 2018-05-01 |
Family
ID=62443136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721224061.1U Expired - Fee Related CN207291719U (en) | 2017-09-22 | 2017-09-22 | Vehicular charger control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207291719U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039997A (en) * | 2019-03-27 | 2019-07-23 | 阿尔特汽车技术股份有限公司 | A kind of monitoring system and method for motor of hybrid power automobile assistant mode |
| CN110552304A (en) * | 2019-10-10 | 2019-12-10 | 徐州徐工环境技术有限公司 | road sweeping vehicle line safety arrangement |
| CN111564962A (en) * | 2020-05-23 | 2020-08-21 | 上海沪工焊接集团股份有限公司 | Anti-surge current limiting circuit and method applied to inverter welding machine power supply |
| CN116054334A (en) * | 2023-01-31 | 2023-05-02 | 云码智能(海南)科技有限公司 | Power supply control circuit, method, electronic device, storage medium, and program product |
-
2017
- 2017-09-22 CN CN201721224061.1U patent/CN207291719U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039997A (en) * | 2019-03-27 | 2019-07-23 | 阿尔特汽车技术股份有限公司 | A kind of monitoring system and method for motor of hybrid power automobile assistant mode |
| CN110552304A (en) * | 2019-10-10 | 2019-12-10 | 徐州徐工环境技术有限公司 | road sweeping vehicle line safety arrangement |
| CN111564962A (en) * | 2020-05-23 | 2020-08-21 | 上海沪工焊接集团股份有限公司 | Anti-surge current limiting circuit and method applied to inverter welding machine power supply |
| CN116054334A (en) * | 2023-01-31 | 2023-05-02 | 云码智能(海南)科技有限公司 | Power supply control circuit, method, electronic device, storage medium, and program product |
| CN116054334B (en) * | 2023-01-31 | 2023-12-08 | 云码智能(海南)科技有限公司 | Power supply control circuit, method, electronic device, storage medium, and program product |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 |