CN204705835U - A kind of power-supply controller of electric of automobile-used igniting - Google Patents
A kind of power-supply controller of electric of automobile-used igniting Download PDFInfo
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- CN204705835U CN204705835U CN201520455944.8U CN201520455944U CN204705835U CN 204705835 U CN204705835 U CN 204705835U CN 201520455944 U CN201520455944 U CN 201520455944U CN 204705835 U CN204705835 U CN 204705835U
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Abstract
The utility model provides a kind of power-supply controller of electric of automobile-used igniting, comprises voltage stabilizing converting unit and power switch unit; Described voltage stabilizing converting unit accesses the first power supply and second source, and the input end of described power switch unit is connected with the output terminal of described voltage stabilizing converting unit; The power-supply controller of electric of this automobile-used igniting, also comprises ignition control unit; Described first power supply of described ignition control unit access, the output terminal of described ignition control unit is connected with the control end of described power switch unit; Described ignition control unit controls the output of described power switch unit; The defect solving power-supply controller of electric abnormal restarting and can not normally close, improves the intelligent of the power-supply controller of electric of automobile-used igniting and security.
Description
Technical field
The utility model relates to the technical field of power-supply controller of electric, is specifically related to a kind of power-supply controller of electric of automobile-used igniting.
Background technology
The fast development of electronic technology, facilitates the fast development of automobile-used various intelligent controllers.Existing automobile starting ignition is mainly controlled by ware circuit, and in circuit, each element carries out action according to the level signal of input, and the input signal sensitivity of this logical circuit to outside is high.The starting ignition of automobile, is mainly powered by the power circuit of accumulator to igniting, carries out level output by power circuit.When ignition location got to by starting ignition switch, automobile storage battery starts to power to priming supply circuit, due to the load in circuit, the voltage transient falling that automobile storage battery exports can be made, voltage drop amplitude affects by circuit load and accumulator property, may drop to 0V at certain transient voltage, this situation can cause the output voltage of the power circuit of igniting to require voltage lower than igniting, causes priming supply circuit output point thermoelectricity to put down as 0V.This phenomenon can cause power-supply controller of electric autoboot when starting of lighting a fire.When flame-out position got to by starting ignition switch, due to the bonding drift of the inductive load in circuit and executive item, can cause priming supply circuit output voltage is not 0V, and this situation can cause the power circuit output level of igniting to be not 0V, causes firing action not stop.This phenomenon can cause the power-supply controller of electric of lighting a fire normally not close.
Utility model content
The utility model provides a kind of Power converter system of automobile-used igniting, with the defect solving traditional power-supply controller of electric abnormal restarting He can not normally close, improves the intelligent of the power-supply controller of electric of automobile-used igniting and security.
To achieve these goals, the utility model provides following technical scheme and is:
A power-supply controller of electric for automobile-used igniting, comprises voltage stabilizing converting unit and power switch unit; Described voltage stabilizing converting unit accesses the first power supply and second source, the input end of described power switch unit is connected with the output terminal of described voltage stabilizing converting unit, this power-supply controller of electric, also comprise ignition control unit, described first power supply of described ignition control unit access, the output terminal of described ignition control unit is connected with the control end of described power switch unit; Described ignition control unit controls the output of described power switch unit.
Preferably, described first power supply is energizing source of lighting a fire, and described second source is the normal pressure power supply that automobile storage battery exports.
Preferably, also comprise: described first power supply is connected with the first diode anode, described second source is connected with the second diode anode, described first diode cathode and described second diode cathode connect first inductance one end altogether, and the other end of described first inductance is connected with described voltage stabilizing converting unit input end; Described first power supply is also connected with first electric capacity one end, described first electric capacity other end ground connection, and described second source is also connected with second electric capacity one end, described second electric capacity other end ground connection.
Preferably, described voltage stabilizing converting unit comprises: voltage stabilizing conversion element, the 3rd diode, the 3rd electric capacity, the 4th electric capacity; The input end of described voltage stabilizing conversion element is the input end of described voltage stabilizing converting unit, and the output terminal of described voltage stabilizing conversion element is the output terminal of described voltage stabilizing converting unit; The input end of described voltage stabilizing conversion element is connected with the negative electrode of described 3rd diode, the plus earth of described 3rd diode, the input end of described voltage stabilizing conversion element is also connected with one end of described 3rd electric capacity, the other end ground connection of described 3rd electric capacity, the output terminal of described voltage stabilizing conversion element is connected with one end of described 4th electric capacity, the other end ground connection of described 4th electric capacity; Described voltage stabilizing conversion element is used for input power to be converted to stabilized voltage supply.
Preferably, described ignition control unit comprises: MCU module and dividing potential drop current-limiting circuit; The output terminal of described MCU module is the output terminal of ignition control unit, and the input end of described MCU module is connected with the output terminal of described dividing potential drop current-limiting circuit, and the input end of described dividing potential drop current-limiting circuit is connected with described first power supply; The voltage that described first Power convert is 0 ~ 5V by described dividing potential drop current-limiting circuit inputs described MCU module, the voltage of described MCU module to input judges, when judging described first power supply >=9V, described ignition control unit exports high level 5V, otherwise output low level 0V.
Preferably, described dividing potential drop current-limiting circuit comprises: the first resistance, the second resistance, the 3rd resistance, the 5th electric capacity and the 4th diode; One end of described first resistance is connected with described first power supply, the other end of described first resistance is connected with the negative electrode of one end of described second resistance, one end of described 3rd resistance and described 4th diode respectively, the other end of described second resistance is connected to the ground, the other end of described 3rd resistance is connected with the input end of described MCU module, the anode of described 4th diode is connected with normal pressure 5V power supply, and the two ends of described 5th electric capacity and the two ends of described second resistance are connected in parallel.
Preferably, described power switch unit comprises: the first triode and the second triode; Described first triode is NPN type triode, and described second triode is PNP type triode; The base stage of described first triode is as the control end of described power switch unit, described first transistor collector is connected with the base stage of described second triode, described first transistor emitter ground connection, the emitter of described second triode as the input end of described power switch unit, the output terminal of the very described power switch unit of current collection of described second triode; As voltage >=0.7V that described ignition control unit exports, described power switch unit exports high level; As described ignition control unit output voltage <0.7V, described first triode and described second triode not conducting, now described power switch unit output low level.
Preferably, described power switch unit also comprises: the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and the 8th resistance; One end of described 4th resistance is connected with the output terminal of described ignition control unit, and the other end of described 4th resistance is connected with the base stage of described first triode; One end of described 5th resistance is connected with the base stage of described first triode, and the other end of described 5th resistance is connected with the emitter of described first triode; Described 6th resistance one end is connected with the collector of described first triode, and the other end of described 6th resistance is connected with the emitter of described second triode; Described in one end of described 7th resistance, the collector of the first triode is connected, and the other end of described 7th resistance is connected with the base stage of described second triode; One end of described 8th resistance is connected with the emitter of described first triode, and the other end of described 8th resistance is connected with the collector of described second triode.
Preferably, the output terminal of described power switch unit is the output terminal of described power-supply controller of electric; When described power switch unit exports high level, described power-supply controller of electric exports 5V priming supply; During described power switch unit output low level, described power-supply controller of electric exports 0V priming supply.
The utility model provides a kind of power-supply controller of electric of automobile-used igniting, the output of power switch unit is controlled by ignition control unit, utilize the on/off that power switch unit exports, realize the ignition trigger of automobile, the defect solving power-supply controller of electric abnormal restarting and can not normally close, improves the intelligent of the power-supply controller of electric of automobile-used igniting and security.
Accompanying drawing explanation
In order to be illustrated more clearly in specific embodiment of the utility model, be briefly described to the accompanying drawing used required in embodiment below.
Fig. 1 is the theory diagram of the power-supply controller of electric of the automobile-used igniting of the utility model;
Fig. 2 is the circuit connection diagram of the power-supply controller of electric of a kind of automobile-used igniting of the utility model embodiment;
Fig. 3 be in the utility model embodiment MCU module to the decision flow chart of input voltage.
Reference numeral
100 voltage stabilizing converting units
200 ignition control units
300 power switch unit
Embodiment
When starting for existing automotive ignition, traditional power-supply controller of electric abnormal restarting and the defect that can not normally close, the utility model provides a kind of power-supply controller of electric of automobile-used igniting, to improve the intelligent of the power-supply controller of electric of automobile-used igniting and security.
The embodiment understood the utility model better to make those skilled in the art person and provide, below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the theory diagram of the power-supply controller of electric of a kind of automobile-used igniting that provides of the utility model.
In this embodiment, the power-supply controller of electric of described automobile-used igniting comprises: voltage stabilizing converting unit 100, power switch unit 300 and ignition control unit 200.
Wherein, voltage stabilizing converting unit 100 accesses the first power supply and second source respectively, the input end of power switch unit 300 is connected with the output terminal of voltage stabilizing converting unit 100, ignition control unit 200 accesses described first power supply, and the output terminal of ignition control unit 200 is connected with the control end of power switch unit 300; Ignition control unit 200 controls the output of power switch unit 300.
Particularly, described first power supply is igniting energizing source, and when automobile ignition switch gets to ON shelves, described first power supply has electricity; When automobile ignition switch gets to OFF shelves, described first power supply does not have electricity.Described second source is the normal pressure power supply that automobile storage battery exports, and maintain electricity condition, in actual applications, the magnitude of voltage of the first power supply and second source can be selected always, and in the present embodiment, the voltage of the first power supply and second source can adopt 12V.
As shown in Figure 2, be a kind of circuit connection diagram of power-supply controller of electric of a kind of automobile-used igniting of the utility model embodiment.
Shown in composition graphs 1 and Fig. 2, in the present embodiment, described first power supply KL15 is connected with the anode of the first diode D1, described second source KL30 is connected with the anode of the second diode D2, the negative electrode of the first diode D1 and the negative electrode of the second diode D2 connect one end of the first inductance L 1 altogether, and the other end of the first inductance L 1 is connected with the input end of voltage stabilizing converting unit 100; First power supply KL15 is also connected with one end of the first electric capacity C1, the other end ground connection of the first electric capacity C1, and second source KL30 is also connected with one end of the second electric capacity C2, the other end ground connection of the second electric capacity C2.
First diode D1 and the second diode D2, for the unidirectional effect of damming of the first power supply KL15 and second source KL30, avoids, as the first power supply KL15 or second source KL30 power-off, causing the reverse conducting of electric current.
First electric capacity C1 and the second electric capacity C2, for eliminating fluctuation to the first power supply KL15 and second source KL30; First inductance L 1 is for increasing the antijamming capability of input power.
In the present embodiment, described voltage stabilizing converting unit 100 comprises voltage stabilizing conversion element U1, the 3rd diode D3, the 3rd electric capacity C3 and the 4th electric capacity C4; The input end of voltage stabilizing conversion element U1 is the input end of described voltage stabilizing converting unit 100, and the output terminal of voltage stabilizing conversion element U1 is the output terminal of described voltage stabilizing converting unit 100; The input end of voltage stabilizing conversion element U1 is connected with the negative electrode of the 3rd diode D3, the plus earth of the 3rd diode D3, the input end of voltage stabilizing conversion element U1 is also connected with one end of the 3rd electric capacity C3, the other end ground connection of the 3rd electric capacity C3, the output terminal of voltage stabilizing conversion element U1 is connected with one end of the 4th electric capacity C4, the other end ground connection of the 4th electric capacity C4; Voltage stabilizing conversion element U1 is used for input power to be converted to stabilized voltage supply.
It should be noted that, in the present embodiment, voltage stabilizing conversion element U1 can adopt model to be the fixed voltage voltage stabilizer of TLE4264-2G, with by 12V Power convert for 5V stabilized voltage supply.
Shown in composition graphs 1 and Fig. 2, described ignition control unit 200 comprises: MCU module and dividing potential drop current-limiting circuit; The output terminal of described MCU module is the output terminal of ignition control unit, and the input end of described MCU module is connected with the output terminal of described dividing potential drop current-limiting circuit, and the input end of described dividing potential drop current-limiting circuit is connected with described first power supply KL15; The voltage that described first power supply KL15 is converted to 0 ~ 5V is inputted described MCU module by described dividing potential drop current-limiting circuit, the voltage of described MCU module to input judges, when judging described first power supply >=9V, described ignition control unit exports high level 5V, otherwise output low level 0V.
Particularly, the MCU module in the present embodiment, can adopt single-chip microcomputer or other the chip processor of Multiple Type in actual applications.Described MCU module is used for judging the voltage of input.
As shown in Figure 3, be that in the present embodiment, MCU module, to input voltage decision flow chart, comprises following steps:
S1:MCU module initialization, t=0, T=0;
S2: judge whether to reach t=250ms delay time, if so, then perform S3, otherwise continue to perform S2;
S3:MCU module performs S4 after carrying out detection collection to input voltage;
S4: judge whether the magnitude of voltage of the first power supply KL15 equals 9V greatly, if so, then performs S6, otherwise perform S5;
S5:MCU module output low level, namely priming supply controller exports 0V;
S6: judge whether to reach the T=750ms time, if so, then perform S7, otherwise perform S9;
S7: initialization T value, makes T=0, then performs S8;
S8:MCU modular cart goes out high level, and namely priming supply controller exports 5V;
S9: initialization t value, makes t=0, then performs S2.
Visible, the utility model embodiment carries the ignition control unit of arch, gathers by carrying out detection to input voltage and judges, because of accumulator instantaneous pressure drop when effectively can solve automotive ignition, causes ignition voltage to change and causes the problem of power-supply controller of electric abnormal restarting; Avoid when automobile ignition switch gets to OFF shelves, cause due to inductive load and bonding drift ignition voltage not and be 0V, make the problem that power-supply controller of electric can not normally be closed.
Shown in composition graphs 2, further, described dividing potential drop current-limiting circuit comprises: the first resistance R1, the second resistance R2, the 3rd resistance R3, the 5th electric capacity C5 and the 4th diode D4; One end of first resistance R1 is connected with the first power supply KL15, the other end of the first resistance R1 is connected with the negative electrode of one end of the second resistance R2, one end of the 3rd resistance R3 and the 4th diode D4 respectively, the other end of the second resistance R2 is connected to the ground, the other end of the 3rd resistance R3 is connected with the input end of described MCU module, the anode of the 4th diode D4 is connected with normal pressure 5V power supply, and the two ends of the 5th electric capacity C5 and the two ends of described second resistance R2 are connected in parallel.
Particularly, the first resistance R1 and the second resistance R2, for the first power supply KL15 of input is carried out dividing potential drop, makes the output voltage of K point be within the scope of 0 ~ 5V; 3rd resistance R3 is used for MCU module current-limiting protection, avoids super-high-current to cause MCU module to burn out; 5th electric capacity C5 is used for eliminating fluctuation to K point output voltage; 4th diode D4 is within the scope of 0 ~ 5V all the time for the voltage guaranteed K point and export.
Shown in composition graphs 1 and Fig. 2, further, described power switch unit 300 comprises: the first triode Q1 and the second triode Q2; First triode Q1 is NPN type triode, and the second triode Q2 is PNP type triode; The base stage of the first triode Q1 is as the control end of power switch unit 300, the collector of the first triode Q1 is connected with the base stage of the second triode Q2, the grounded emitter of the first triode Q1, the emitter of the second triode Q2 as the input end of power switch unit 300, the output terminal of the current collection of the second triode Q2 very power switch unit 300; As voltage >=0.7V that ignition control unit 200 exports, power switch unit 300 exports high level; As ignition control unit 200 output voltage <0.7V, the first triode Q1 and the second triode Q2 not conducting, now power switch unit 300 output low level.
In actual use, the forward voltage of the first triode Q1 and the second triode Q2 can adopt 0.7V.Particularly, when automobile ignition switch is beaten to ON shelves, first power supply KL15 is energized, and now the voltage of A point is greater than the forward voltage of the first triode Q1, now the first triode Q1 conducting, making B point be connected to the ground voltage is 0V, because the voltage of C point is 5V, be greater than Q2 forward voltage 0.7V, meet the turn-on condition of the second triode Q2, the VCC conducting that some C and the second triode Q2 collector export, makes VCC out-put supply be 5V; When automobile ignition switch is beaten to OFF shelves, first power supply KL15 does not have power supply, now A point voltage is 0V, be less than the forward voltage of the first triode Q1, now, the first triode Q1 not conducting, B point is for being greater than the voltage of 0.7V, make the second triode Q2 not meet turn-on condition, the VCC that now the second triode Q2 collector exports is connected to the ground, and out-put supply is 0V.
Further, described power switch unit 300 also comprises: the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7 and the 8th resistance R8; One end of 4th resistance R4 is connected with the output terminal of described ignition control unit 200, and the other end of the 4th resistance R4 is connected with the base stage of the first triode Q1; One end of 5th resistance R5 is connected with the base stage of the first triode Q1, and the other end of the 5th resistance R5 is connected with the emitter of the first triode Q1; One end of 6th resistance R6 is connected with the collector of the first triode Q1, and the other end of the 6th resistance R6 is connected with the emitter of the second triode Q2; The collector of one end first triode Q1 of the 7th resistance R7 is connected, and the other end of the 7th resistance R7 is connected with the base stage of the second triode Q2; One end of 8th resistance R8 is connected with the emitter of the first triode Q1, and the other end of the 8th resistance R8 is connected with the collector of the second triode Q2.
Further, the output terminal of described power switch unit 300 is the output terminal of described power-supply controller of electric; When described power switch unit 300 exports high level, described power-supply controller of electric exports 5V priming supply; During described power switch unit 300 output low level, described power-supply controller of electric exports 0V priming supply.
Visible, the power-supply controller of electric of a kind of automobile-used igniting that the utility model embodiment provides, the output of power switch unit is controlled by ignition control unit, utilize the on/off that power switch unit exports, realize the ignition trigger of automobile, the defect solving power-supply controller of electric abnormal restarting and can not normally close, improves the intelligent of the power-supply controller of electric of automobile-used igniting and security.
Structure of the present utility model, feature and action effect is described in detail above according to the embodiment shown in diagram; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change done according to conception of the present utility model; or be revised as the Equivalent embodiments of equivalent variations; do not exceed yet instructions with diagram contain spiritual time, all should in protection domain of the present utility model.
Claims (9)
1. a power-supply controller of electric for automobile-used igniting, comprises voltage stabilizing converting unit and power switch unit; Described voltage stabilizing converting unit accesses the first power supply and second source, and the input end of described power switch unit is connected with the output terminal of described voltage stabilizing converting unit; It is characterized in that, also comprise ignition control unit; Described first power supply of described ignition control unit access, the output terminal of described ignition control unit is connected with the control end of described power switch unit; Described ignition control unit controls the output of described power switch unit.
2. the power-supply controller of electric of automobile-used igniting as claimed in claim 1, is characterized in that, described first power supply is energizing source of lighting a fire, and described second source is the normal pressure power supply that automobile storage battery exports.
3. the power-supply controller of electric of automobile-used igniting as claimed in claim 1, it is characterized in that, also comprise: described first power supply is connected with the anode of the first diode, described second source is connected with the anode of the second diode, the negative electrode of described first diode and the negative electrode of described second diode connect one end of the first inductance altogether, and the other end of described first inductance is connected with the input end of described voltage stabilizing converting unit; Described first power supply is also connected with one end of the first electric capacity, the other end ground connection of described first electric capacity, and described second source is also connected with one end of the second electric capacity, the other end ground connection of described second electric capacity.
4. the power-supply controller of electric of automobile-used igniting as claimed in claim 1, is characterized in that, described voltage stabilizing converting unit comprises: voltage stabilizing conversion element, the 3rd diode, the 3rd electric capacity, the 4th electric capacity; The input end of described voltage stabilizing conversion element is the input end of described voltage stabilizing converting unit, and the output terminal of described voltage stabilizing conversion element is the output terminal of described voltage stabilizing converting unit; The input end of described voltage stabilizing conversion element is connected with the negative electrode of described 3rd diode, the plus earth of described 3rd diode, the input end of described voltage stabilizing conversion element is also connected with one end of described 3rd electric capacity, the other end ground connection of described 3rd electric capacity, the output terminal of described voltage stabilizing conversion element is connected with one end of described 4th electric capacity, the other end ground connection of described 4th electric capacity; Described voltage stabilizing conversion element is used for input power to be converted to stabilized voltage supply.
5. the power-supply controller of electric of automobile-used igniting as claimed in claim 1, is characterized in that, described ignition control unit comprises: MCU module and dividing potential drop current-limiting circuit; The output terminal of described MCU module is the output terminal of ignition control unit, and the input end of described MCU module is connected with the output terminal of described dividing potential drop current-limiting circuit, and the input end of described dividing potential drop current-limiting circuit is connected with described first power supply; The voltage that described first Power convert is 0 ~ 5V by described dividing potential drop current-limiting circuit inputs described MCU module, the voltage of described MCU module to input judges, when judging described first power supply >=9V, described ignition control unit exports high level 5V, otherwise output low level 0V.
6. the power-supply controller of electric of automobile-used igniting as claimed in claim 5, is characterized in that, described dividing potential drop current-limiting circuit comprises: the first resistance, the second resistance, the 3rd resistance, the 5th electric capacity and the 4th diode; One end of described first resistance is connected with described first power supply, the other end of described first resistance is connected with the negative electrode of one end of described second resistance, one end of described 3rd resistance and described 4th diode respectively, the other end of described second resistance is connected to the ground, the other end of described 3rd resistance is connected with the input end of described MCU module, the anode of described 4th diode is connected with normal pressure 5V power supply, and the two ends of described 5th electric capacity and the two ends of described second resistance are connected in parallel.
7. the power-supply controller of electric of automobile-used igniting as claimed in claim 1, is characterized in that, described power switch unit comprises: the first triode and the second triode; Described first triode is NPN type triode, and described second triode is PNP type triode; The base stage of described first triode is as the control end of described power switch unit, the collector of described first triode is connected with the base stage of described second triode, the grounded emitter of described first triode, the emitter of described second triode as the input end of described power switch unit, the output terminal of the very described power switch unit of current collection of described second triode; As voltage >=0.7V that described ignition control unit exports, described power switch unit exports high level; As described ignition control unit output voltage <0.7V, described first triode and described second triode not conducting, now described power switch unit output low level.
8. the power-supply controller of electric of automobile-used igniting as claimed in claim 7, is characterized in that, described power switch unit also comprises: the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and the 8th resistance; One end of described 4th resistance is connected with the output terminal of described ignition control unit, and the other end of described 4th resistance is connected with the base stage of described first triode; One end of described 5th resistance is connected with the base stage of described first triode, and the other end of described 5th resistance is connected with the emitter of described first triode; Described 6th resistance one end is connected with the collector of described first triode, and the other end of described 6th resistance is connected with the emitter of described second triode; One end of described 7th resistance is connected with the collector of described first triode, and the other end of described 7th resistance is connected with the base stage of described second triode; One end of described 8th resistance is connected with the emitter of described first triode, and the other end of described 8th resistance is connected with the collector of described second triode.
9. the power-supply controller of electric of automobile-used igniting as claimed in claim 7, is characterized in that, the output terminal of described power switch unit is the output terminal of described power-supply controller of electric; When described power switch unit exports high level, described power-supply controller of electric exports 5V priming supply; During described power switch unit output low level, described power-supply controller of electric exports 0V priming supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455944.8U CN204705835U (en) | 2015-06-26 | 2015-06-26 | A kind of power-supply controller of electric of automobile-used igniting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520455944.8U CN204705835U (en) | 2015-06-26 | 2015-06-26 | A kind of power-supply controller of electric of automobile-used igniting |
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| CN204705835U true CN204705835U (en) | 2015-10-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111818704A (en) * | 2020-06-04 | 2020-10-23 | 深圳市周立功单片机有限公司 | Programmable car lamp controller |
| CN111830889A (en) * | 2019-04-16 | 2020-10-27 | 中车大连电力牵引研发中心有限公司 | Power supply control device and power supply |
| CN112485725A (en) * | 2020-10-21 | 2021-03-12 | 惠州市德赛西威汽车电子股份有限公司 | Device and method for detecting power line state of vehicle-mounted entertainment and instrument system |
-
2015
- 2015-06-26 CN CN201520455944.8U patent/CN204705835U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830889A (en) * | 2019-04-16 | 2020-10-27 | 中车大连电力牵引研发中心有限公司 | Power supply control device and power supply |
| CN111830889B (en) * | 2019-04-16 | 2022-08-19 | 中车大连电力牵引研发中心有限公司 | Power supply control device and power supply |
| CN111818704A (en) * | 2020-06-04 | 2020-10-23 | 深圳市周立功单片机有限公司 | Programmable car lamp controller |
| CN112485725A (en) * | 2020-10-21 | 2021-03-12 | 惠州市德赛西威汽车电子股份有限公司 | Device and method for detecting power line state of vehicle-mounted entertainment and instrument system |
| CN112485725B (en) * | 2020-10-21 | 2022-10-28 | 惠州市德赛西威汽车电子股份有限公司 | Device and method for detecting power line state of vehicle-mounted entertainment and instrument system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20151014 Termination date: 20190626 |