CN203708160U - Voltage stabilizing device used for automobile and automobile power supply system - Google Patents
Voltage stabilizing device used for automobile and automobile power supply system Download PDFInfo
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- CN203708160U CN203708160U CN201320836399.8U CN201320836399U CN203708160U CN 203708160 U CN203708160 U CN 203708160U CN 201320836399 U CN201320836399 U CN 201320836399U CN 203708160 U CN203708160 U CN 203708160U
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Abstract
The utility model provides a voltage stabilizing device used for an automobile. The voltage stabilizing device used for the automobile comprises a power supply terminal, a ground wire, a control power supply module, an input voltage detection circuit, a voltage stabilizing circuit, a bypass circuit, a voltage stabilization drive circuit, a bypass drive circuit and a control module. The input voltage detection circuit outputs to the control module. The power supply terminal is connected to input terminals of the control power supply module, the voltage stabilizing circuit and the bypass circuit respectively. The grounding terminals of the control power supply module and voltage stabilizing circuit is connected together at the ground wire. The control power supply module is enabledly controlled by the control module, and supplies electricity to the control module, the voltage stabilization drive circuit and the bypass drive circuit respectively. The control module respectively controls the voltage stabilizing circuit and the bypass circuit through the voltage stabilization drive circuit and the bypass drive circuit. The output terminal of the voltage stabilizing circuit and the output terminal of the bypass circuit are connected together to be as an output of the voltage stabilizing device. The utility model also provides an automobile power supply system. The voltage stabilizing device used for the automobile and the automobile power supply system can select voltage stabilization and bypass work modes according to different input voltages, and the safety is guaranteed.
Description
Technical field
The utility model relates to a kind of device that automobile storage battery or generator voltage is carried out to voltage stabilizing, support vehicles device for electric safety, and the automobile power supply system that comprises this device.
Background technology
Along with the development of auto industry, people have had higher requirement to vehicle safety, and this is also the key that determines that can automobile be promoted forward and greatly develop.As the kernel component of Vehicular power supply system, once out of control or inefficacy appears in the storage battery of vehicle or the voltage magnitude of generator, particularly, in vehicle high-speed situation, its consequence is hardly imaginable.Therefore the designing requirement of the voltage voltage-stabilizing device to vehicle is strict, not only possesses good dynamic property and stability, also will in particular cases possess timely protection strategy running into.
Utility model content
Occur that for solving current vehicle power supply voltage amplitude out of control or inefficacy brings the technical problem of security threat to vehicle, the voltage voltage-stabilizing device that the utility model provides a kind of automobile to use, comprises power end, ground wire, control power module, input voltage detection circuit, voltage stabilizing circuit, bypass circuit, voltage stabilizing drive circuit, bypass drive circuit and control module;
Input voltage detection circuit detects the input voltage of power end and exports testing result to control module;
Power end connects respectively input, the input of voltage stabilizing circuit and the input of bypass circuit of controlling power module, controls the earth terminal of power module and the earth terminal tandem of voltage stabilizing circuit in ground wire;
Enable termination control module and the controlled module of controlling power module enable to control, and three outputs controlling power module connect respectively feeder ear, the feeder ear of voltage stabilizing drive circuit and the feeder ear of bypass drive circuit of control module;
The input of the input of voltage stabilizing drive circuit and bypass drive circuit connects respectively control module and the controlled module controls of difference, the control end of the output termination voltage stabilizing circuit of voltage stabilizing drive circuit, the control end of the output termination bypass circuit of bypass drive circuit;
After the output tandem of the output of voltage stabilizing circuit and bypass circuit as the output of described voltage voltage-stabilizing device.
Further, input voltage detection circuit comprises sampling resistor R0, the first voltage sample device and second voltage sampler, sampling resistor R0 is connected to power end and controls between the input of power module, the first voltage sample device gathers the voltage of sampling resistor R0 near power end one side, and second voltage sampler gathers sampling resistor R0 near the voltage of controlling power module one side.
Further, described voltage voltage-stabilizing device also comprises ECU, and control module is communicated by letter with ECU by CAN bus.
Further, described voltage voltage-stabilizing device also comprises ground line current testing circuit, and ground line current testing circuit detects ground line current and exports testing result to control module.
Further,
Voltage stabilizing circuit comprises at least two voltage stabilizing electronic circuits, and voltage stabilizing electronic circuit comprises resistance R 1, inductance L 1, a N-MOS pipe and the 2nd N-MOS pipe;
The input of voltage stabilizing circuit is connected in series with inductance L 1 one end through resistance R 1, the other end of inductance L 1 connects respectively the drain electrode of source class and the 2nd N-MOS pipe of a N-MOS pipe, the drain electrode of the one N-MOS pipe connects the output of voltage stabilizing circuit, the source class of the 2nd N-MOS pipe connects the earth terminal of voltage stabilizing circuit, and the grid of the grid of a N-MOS pipe and the 2nd N-MOS pipe connects respectively the output of voltage stabilizing drive circuit.
Further, bypass circuit comprises at least two bypass electronic circuits, and bypass electronic circuit comprises the 3rd N-MOS pipe, and the source class of the 3rd metal-oxide-semiconductor connects power end, and its drain electrode is connected to the output of described voltage voltage-stabilizing device, and its grid connects the output of bypass drive circuit.
Further,
Control module comprises master control submodule and auxiliary control system module;
The output signal of input voltage detection circuit exports respectively master control submodule and auxiliary control system module to, the output of controlling power module connects respectively the feeder ear of master control submodule and the feeder ear of auxiliary control system module, the input of voltage stabilizing drive circuit connects respectively the output of master control submodule and the output of auxiliary control system module, and the input of bypass drive circuit connects respectively the output of master control submodule and the output of auxiliary control system module.
Further,
Control power module and comprise that at least two are controlled power supply submodule; Power end connects respectively the input of each control power supply submodule, the earth terminal earth connection of each control power supply submodule;
One of them controls enabling termination master control submodule and being subject to master control submodule to enable to control of power supply submodule, and three outputs of this control power supply submodule connect respectively feeder ear, the feeder ear of voltage stabilizing drive circuit and the feeder ear of bypass drive circuit of master control submodule;
Wherein another controls enabling termination auxiliary control system module and being subject to auxiliary control system module to enable to control of power supply submodule, and three outputs of this control power supply submodule connect respectively feeder ear, the feeder ear of voltage stabilizing drive circuit and the feeder ear of bypass drive circuit of auxiliary control system module.
The utility model also provides a kind of automobile power supply system, comprises Vehicular accumulator cell, the above-mentioned voltage voltage-stabilizing device of electric apparatus mounted on vehicle, the input termination Vehicular accumulator cell of voltage voltage-stabilizing device, its output termination electric apparatus mounted on vehicle.
Further, described automobile power supply system also comprises mobile generator, the input of the output termination voltage voltage-stabilizing device of mobile generator.
The utlity model has following beneficial effect: adopt the technical solution of the utility model, first, can be by the difference of input voltage, controlling voltage stabilizing circuit and bypass circuit works respectively or stops, thereby make in the time that voltage is lower, to carry out voltage stabilizing, bypass channel, the realization that stops power supply supply in the time of overvoltage become possibility in the time that voltage is higher, have guaranteed the Electrical Safety of automotive electric equipment and the safety of vehicle; Secondly, the power supply control chip that in automotive voltage stable-pressure device, Boost voltage stabilizing circuit is selected, it can control multichannel, independently multiple power supplies of output multi-channel timesharing simultaneously, reduce the ripple voltage of power supply output, improve the Electromagnetic Compatibility of voltage voltage-stabilizing device, greatly improved the reliability of power supply; Moreover, in automotive voltage stable-pressure device, adopt the bypass circuit of two power devices, the passage of the power device on any road, can bear the electrical load of vehicle overwhelming majority power consumption equipment, and the mode of the two power device parallel connections of employing, the conduction impedance that can also effectively reduce this bypass passage, reduces loss, raises the efficiency; And, adopt two controllers, one for master control, another one is for monitoring and for subsequent use, and the two mutual verification, guarantees after master control submodule lost efficacy, auxiliary control system module drops into life's work immediately, guarantees Bypass bypass circuit reliability service, reaches the requirement of functional safety grade; Also have, for control module has designed multiple-way supply power circuit, in the time that wherein the inefficacy of Yi road or load increase the weight of suddenly, the power supply on an other road just can automatically switch in the past, or another one control unit works at once, guarantees the normal work of whole automotive voltage stable-pressure device, like this, design by simple multiple power supplies, just can obtain reliable and stable power supply, guarantee control module reliably working; Finally, by supply voltage information is sent to prompting to vehicle-mounted ECU in time, allow ECU understand supply voltage situation in the very first time, ECU and then can be as required, the break-off of control section electric equipment, reduces the possibility that automotive electric equipment damages.
Accompanying drawing explanation
Fig. 1 is the structural representation block diagram of the utility model embodiment automobile power supply system;
Fig. 2 is the electrical block diagram of the voltage voltage-stabilizing device used of the utility model embodiment automobile;
Fig. 3 is the circuit reduction schematic diagram of the voltage voltage-stabilizing device shown in Fig. 2 in the time of voltage stabilizing pattern;
Fig. 4 is the circuit reduction schematic diagram of the voltage voltage-stabilizing device shown in Fig. 2 in the time of bypass mode;
Fig. 5 is the electric power-feeding structure schematic diagram of master control submodule in the voltage voltage-stabilizing device shown in Fig. 2, auxiliary control system module and two control power supply submodules.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As described in Figure 1, the automobile power supply system of the utility model embodiment comprises voltage voltage-stabilizing device 100, Vehicular accumulator cell 200, mobile generator 300 and the electric apparatus mounted on vehicle 400 that automobile is used, the input of voltage voltage-stabilizing device 100 connects respectively Vehicular accumulator cell 200 and mobile generator 300, its output termination electric apparatus mounted on vehicle 400.
As shown in Figure 2, the voltage voltage-stabilizing device that the utility model embodiment automobile is used, comprises the power end 1, input voltage detection circuit 2, control power module 3, voltage stabilizing circuit 4, bypass circuit 5, voltage stabilizing drive circuit 6, bypass drive circuit 7, control module 8, ground line current testing circuit 9 and the ECU that are connected with Vehicular accumulator cell or generator;
Input voltage detection circuit 2 detects the input voltage of power end 1 and exports testing result to control module 8, and ground line current testing circuit 9 detects ground line current and exports testing result to control module 8, and control module 8 is communicated by letter with vehicle-mounted ECU by CAN bus;
Power end 1 connects respectively controls input, the input of voltage stabilizing circuit 4 and the input of bypass circuit 5 of power module 3, storage battery or or the earth terminal tandem of the earth terminal of the earth terminal of generator, the earth terminal of controlling power module 3, voltage stabilizing circuit input 4, voltage stabilizing circuit 4 in ground wire;
Enable termination control module 8 and the controlled module 8 of controlling power module 3 enable to control, and three outputs controlling power module 3 connect respectively feeder ear, the feeder ear of voltage stabilizing drive circuit 6 and the feeder ear of bypass drive circuit 7 of control module 8;
The input of the input of voltage stabilizing drive circuit 6 and bypass drive circuit 7 connect respectively control module 8 and respectively controlled module 8 control, the control end of the output termination voltage stabilizing circuit 4 of voltage stabilizing drive circuit 6, the control end of the output termination bypass circuit 5 of bypass drive circuit 7;
The output that connects voltage voltage-stabilizing device after the output tandem of the output of voltage stabilizing circuit 4 and bypass circuit 5, output voltage is to electric apparatus mounted on vehicle.
The size of current that the voltage swing that control module 8 can detect according to input voltage detection circuit 2 or ground line current testing circuit 9 detect, thus control voltage stabilizing circuit 4 or bypass circuit 5 are worked respectively or stop.For example: control module 8 can judge according to the testing result of input voltage detection circuit 2 magnitude relationship of input voltage and voltage stabilizing pattern upper voltage limit, bypass mode upper voltage limit, prompt modes lower voltage limit, also can judge according to the testing result of base area line current testing circuit 9 magnitude relationship of ground line current and overcurrent critical value; Prescribe a time limit when control module 8 judges on input voltage is not higher than voltage stabilizing mode voltage, it is worked to control voltage stabilizing circuit 4 by controlling voltage stabilizing drive circuit 6, closes again by controlling bypass drive circuit 7 to control bypass circuit 5; In the time that control module 8 judges input voltage higher than voltage stabilizing pattern upper voltage limit, not higher than bypass mode upper voltage limit, it is closed to control voltage stabilizing circuit 4 by controlling voltage stabilizing drive circuit 6, works again by controlling bypass drive circuit 7 to control bypass circuit 5; In the time that control module 8 judges input voltage higher than bypass mode upper voltage limit or in the time that ground line current judging unit judges that ground line current reaches overcurrent critical value, it is closed to control voltage stabilizing circuit 4 by controlling voltage stabilizing drive circuit 6, closes again by controlling bypass drive circuit 7 to control bypass circuit 5.
In addition, in the time that control module 8 judges that input voltage is not less than prompt modes lower voltage limit or in the time that ground line current judging unit judges that ground line current reaches overcurrent critical value, it also sends cue by CAN bus to ECU, and ECU sends for this cue the signal that the automobile-used electric apparatus of load of control section is closed; As shown in Figure 2, the inner various signals that gather of voltage voltage-stabilizing device can be uploaded to vehicle-mounted ECU by CAN telecommunication circuit, realize the object of real-time monitoring system operating state, improve the reliability of system.
Control module 8 is determined the mode of operation of voltage voltage-stabilizing device according to input voltage range, detect in real time the impedance of bypass bypass circuit 5, and whenever, the priority of bypass mode is the highest, bypass bypass circuit 5 must meet the requirement of safe class C, guarantee any moment, the electric loop function of vehicle is normal.Take various voltage parameters the most general on vehicle as example, voltage voltage-stabilizing device rated operational voltage is 12V, the input voltage range of the voltage voltage-stabilizing device of complete function must be at 5.4V between 24V, and under different input voltages, voltage voltage-stabilizing system has following mode of operation.
Voltage stabilizing Mode A MP.AMp.Amp prompt modes: when input voltage is that 5.4～11.5V(is that the value of the voltage stabilizing mode voltage upper limit is got 11.5V, the value of prompt modes lower voltage limit is got 5.4V, the value of prompt modes upper voltage limit is got 11.5V) time, voltage voltage-stabilizing device is operated in Boost voltage stabilizing pattern, and output voltage stabilization is at 11.5V; Control module 8 enables to control power module 3 chips, controlling power module 3 controls Boost voltage stabilizing circuit 4(thereafter and is about to be less than the power supply voltage stabilizing of 12V to the voltage of 12V), obtain stable output voltage 11.5V, now need to notify vehicle-mounted ECU, ECU is according to the characteristic of power supply, may need suitable closed portion equipment, namely need to limit the power stage of battery or generator.In system, the Boost voltage stabilizing drive circuit 6 Boost voltage stabilizing circuit 4 peripheral with it forms control loop, obtains stable output voltage, and output load current is 160A to the maximum; Meanwhile, control module 8 is according to the input voltage range detecting, output current, power output to Boost voltage stabilizing circuit 4 are controlled, and control signal is given to voltage stabilizing drive circuit 6 and carries out last working control.
Bypass mode: when input voltage is during higher than 11.5V, the booster circuit being mainly made up of Boost voltage stabilizing drive circuit 6 and voltage stabilizing circuit 4 quits work, and bypass circuit 5 is worked and entered Bypass bypass mode, and maximum output load current is 160A.In the time that input voltage is 11.5V-14.9V, voltage voltage-stabilizing device is operated in Bypass bypass mode, and maximum output current is 160A, and control module 8 is sent enable signal by power device, allows it be operated in bypass mode; When input voltage is that 14.9V-18V(is that the value of bypass mode upper voltage limit is got 18V, the value of prompt modes lower voltage limit is got 14.9V, the value of prompt modes upper voltage limit is got 18V) time, voltage voltage-stabilizing device is operated in Bypass bypass mode, now notify vehicle-mounted ECU, vehicle-mounted ECU is according to the feature of load, and suitably closed portion equipment, namely needs power-limiting output.
Overvoltage protection mode: when input voltage is 18 ~ 24V, voltage voltage-stabilizing device is operated in protected mode, carries out overvoltage protection, and voltage stabilizing pattern is closed, and bypass mode also can be closed, does not allow voltage voltage-stabilizing device work.
In addition; control module 8 also base area line current determines whether system breaks down; when detecting signal, control module 8 base area line current testing circuits 9 judge that ground line current exceedes certain limit value (or reaching overcurrent critical value); just assert the system failure; enter overcurrent protection pattern: voltage stabilizing pattern is closed; bypass mode also can be closed, and does not allow voltage voltage-stabilizing device work.
As the more excellent improvement of one, as Fig. 2, shown in Fig. 3, in the voltage voltage-stabilizing device of the present embodiment, voltage stabilizing circuit 4 comprises at least two voltage stabilizing electronic circuits, voltage stabilizing electronic circuit comprises resistance R 1, inductance L 1, the one N-MOS pipe M1 and the 2nd N-MOS pipe M2, the input of voltage stabilizing circuit 4 is connected in series with inductance L 1 one end through resistance, the other end of inductance L 1 connects respectively the drain electrode of source class and the 2nd N-MOS pipe M2 of a N-MOS pipe M1, the drain electrode of the one N-MOS pipe M1 connects the output of voltage stabilizing circuit 4, the source class of the 2nd N-MOS pipe M2 connects the earth terminal of voltage stabilizing circuit 4, the grid of the grid of the one N-MOS pipe M1 and the 2nd N-MOS pipe M2 connects respectively the output of voltage stabilizing drive circuit 6.The power supply control chip that in system, Boost voltage stabilizing circuit 4 is selected, it can control multichannel, and independently multiple power supplies of output multi-channel timesharing simultaneously, reduces the ripple voltage that power supply is exported, improve the Electromagnetic Compatibility of voltage voltage-stabilizing system, greatly improved the reliability of power supply.
As the more excellent improvement of one, as shown in Figure 2, Figure 4 shows, in the voltage voltage-stabilizing device of the present embodiment, bypass circuit 5 comprises at least two bypass electronic circuits, bypass electronic circuit comprises the 3rd N-MOS pipe M3, the source class of the 3rd metal-oxide-semiconductor M3 connects power end 1, and its drain electrode is connected to the output of described voltage voltage-stabilizing device, and its grid connects the output of bypass drive circuit 7.
As the more excellent improvement of one, as shown in Figure 2, in the voltage voltage-stabilizing device of the present embodiment, control module 8 comprises master control submodule 81 and auxiliary control system module 82;
The output signal of input voltage detection circuit 2 exports respectively master control submodule 81 and auxiliary control system module 82 to, the output of controlling power module 3 connects respectively the feeder ear of master control submodule 81 and the feeder ear of auxiliary control system module 82, the input of voltage stabilizing drive circuit 6 connects respectively the output of master control submodule 81 and the output of auxiliary control system module 82, and the input of bypass drive circuit 7 connects respectively the output of master control submodule 81 and the output of auxiliary control system module 82;
Under normal circumstances, as main control unit, receive signal, control voltage stabilizing drive circuit 6 and the bypass driving voltage 7 of input voltage detection circuit 2 by master control submodule 81, auxiliary control system module 82 is not worked; In the time that auxiliary control system module 82 detects that master control submodule 81 lost efficacy, auxiliary control system module 82 starts immediately as main control unit, receives signal, control voltage stabilizing drive circuit 6 and the bypass driving voltage 7 of input voltage detection circuit 2.
The voltage voltage-stabilizing device principle schematic of the present embodiment as shown in Figure 2, master control submodule 81 is the main control chip of system in circuit, gather the signal such as voltage, electric current of Boost voltage stabilizing pattern and Bypass bypass mode circuit, after internal arithmetic, control the switching of Boost voltage stabilizing pattern and Bypass bypass mode, gather the operating state of monitoring system simultaneously.Monitoring control assembly is set again specially, and---auxiliary control system module 82---controlled with auxiliary for monitoring master control submodule 81, in the time that master control submodule 81 lost efficacy, auxiliary control system module 82 is switched to mode of operation immediately, must guarantee that bypass pattern normally works, can allow voltage stabilizing pattern not work this moment.
As the more excellent improvement of one, as shown in Fig. 2, Fig. 5, in the voltage voltage-stabilizing device of the present embodiment, control power module 3 and comprise that at least two are controlled power supply submodule 30, power end 1 connects respectively the input of each control power supply submodule 30, the earth terminal earth connection of each control power supply submodule 30; One of them controls enabling termination master control submodule 81 and being subject to master control submodule 81 to enable to control of power supply submodule 30, and three outputs of this control power supply submodule 30 connect respectively feeder ear, the feeder ear of voltage stabilizing drive circuit 6 and the feeder ear of bypass drive circuit 7 of master control submodule 81; Wherein another controls enabling termination auxiliary control system module 82 and being subject to auxiliary control system module 82 to enable to control of power supply submodule 30, and three outputs of this control power supply submodule 30 connect respectively feeder ear, the feeder ear of voltage stabilizing drive circuit 6 and the feeder ear of bypass drive circuit 7 of auxiliary control system module 82.In circuit, use two-way independently to control that power supply electronic circuit 30 is respectively master control submodule 81 and auxiliary control system module 82 is powered, guarantee the safe and reliable of control module 8.Master control submodule 81 and auxiliary control system module 82 all have CAN communication function simultaneously, increase product reliability.Adopt this scheme, can guarantee the power supply of the control module 8 of voltage voltage-stabilizing system, guarantee that system stability is reliable, reach high safety grade.
As the more excellent improvement of one, in the voltage voltage-stabilizing device of the present embodiment, as shown in Figure 2, input voltage detection circuit 2 comprises sampling resistor R0, the first voltage sample device (not shown) and second voltage sampler (not shown), sampling resistor R0 is connected to power end 1 and controls between the input of power module 3, the first voltage sample device gathers the voltage of sampling resistor R0 near power end 1 one sides, and second voltage sampler gathers sampling resistor R0 near the voltage of controlling power module 3 one sides.
The magnitude of voltage that the magnitude of voltage that control module 8 records according to the first voltage sample device and the second sampler record poor, and the value of sampling resistor R0, calculate input current value, the input voltage value and the input current value that record according to the first voltage sample device calculate input power value again, in the time that control module 8 judges that input power reaches car load maximum load power, control module 8 sends cue by CAN bus to ECU, and ECU sends according to this cue the signal that the automobile-used electric apparatus of load of control section is closed.
Be in conjunction with concrete preferred implementation further detailed description of the utility model as said above, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not departing under the prerequisite of the utility model design and intension, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. the voltage voltage-stabilizing device that automobile is used, comprises power end (1), ground wire and control power module (3); It is characterized in that: also comprise input voltage detection circuit (2), voltage stabilizing circuit (4), bypass circuit (5), voltage stabilizing drive circuit (6), bypass drive circuit (7) and control module (8);
Input voltage detection circuit (2) detects the input voltage of power end (1) and exports testing result to control module (8);
Power end (1) connects respectively input, the input of voltage stabilizing circuit (4) and the input of bypass circuit (5) of controlling power module (3), controls the earth terminal of power module (3) and the earth terminal tandem of voltage stabilizing circuit (4) in ground wire;
Enable termination control module (8) and the controlled module (8) of controlling power module (3) enable to control, and three outputs controlling power module (3) connect respectively feeder ear, the feeder ear of voltage stabilizing drive circuit (6) and the feeder ear of bypass drive circuit (7) of control module (8);
The input of the input of voltage stabilizing drive circuit (6) and bypass drive circuit (7) connects respectively control module (8) and controlled module (8) control respectively, the control end of the output termination voltage stabilizing circuit (4) of voltage stabilizing drive circuit (6), the control end of the output termination bypass circuit (5) of bypass drive circuit (7);
After the output tandem of the output of voltage stabilizing circuit (4) and bypass circuit (5) as the output of described voltage voltage-stabilizing device.
2. voltage voltage-stabilizing device according to claim 1, it is characterized in that: input voltage detection circuit (2) comprises sampling resistor R0, the first voltage sample device and second voltage sampler, sampling resistor R0 is connected to power end (1) and controls between the input of power module (3), the first voltage sample device gathers the voltage of sampling resistor R0 near power end (1) one side, and second voltage sampler gathers sampling resistor R0 near the voltage of controlling power module (3) one sides.
3. voltage voltage-stabilizing device according to claim 1, is characterized in that: also comprise ECU, control module (8) is communicated by letter with ECU by CAN bus.
4. voltage voltage-stabilizing device according to claim 1, is characterized in that: also comprise ground line current testing circuit (9), ground line current testing circuit (9) detects ground line current and exports testing result to control module (8).
5. voltage voltage-stabilizing device according to claim 1, is characterized in that:
Voltage stabilizing circuit (4) comprises at least two voltage stabilizing electronic circuits, and voltage stabilizing electronic circuit comprises resistance R 1, inductance L 1, a N-MOS pipe (M1) and the 2nd N-MOS pipe (M2);
The input of voltage stabilizing circuit (4) is connected in series with inductance L 1 one end through resistance R 1, the other end of inductance L 1 connects respectively the drain electrode of source class and the 2nd N-MOS pipe (M2) of a N-MOS pipe (M1), the drain electrode of the one N-MOS pipe (M1) connects the output of voltage stabilizing circuit (4), the source class of the 2nd N-MOS pipe (M2) connects the earth terminal of voltage stabilizing circuit (4), and the grid of the grid of a N-MOS pipe (M1) and the 2nd N-MOS pipe (M2) connects respectively the output of voltage stabilizing drive circuit (6).
6. voltage voltage-stabilizing device according to claim 1, it is characterized in that: bypass circuit (5) comprises at least two bypass electronic circuits, bypass electronic circuit comprises the 3rd N-MOS pipe (M3), the source class of the 3rd metal-oxide-semiconductor (M3) connects power end (1), its drain electrode is connected to the output of described automotive voltage stable-pressure device, and its grid connects the output of bypass drive circuit (7).
7. voltage voltage-stabilizing device according to claim 1, is characterized in that:
Control module (8) comprises master control submodule (81) and auxiliary control system module (82);
The output signal of input voltage detection circuit (2) exports respectively master control submodule (81) and auxiliary control system module (82) to, the output of controlling power module (3) connects respectively the feeder ear of master control submodule (81) and the feeder ear of auxiliary control system module (82), the input of voltage stabilizing drive circuit (6) connects respectively the output of master control submodule (81) and the output of auxiliary control system module (82), and the input of bypass drive circuit (7) connects respectively the output of master control submodule (81) and the output of auxiliary control system module (82).
8. voltage voltage-stabilizing device according to claim 6, is characterized in that:
Control power module (3) and comprise that at least two are controlled power supply submodule (30); Power end (1) connects respectively the input of each control power supply submodule (30), the earth terminal earth connection of each control power supply submodule (30);
One of them controls enabling termination master control submodule (81) and being subject to master control submodule (81) to enable to control of power supply submodule (30), and three outputs of this control power supply submodule (30) connect respectively feeder ear, the feeder ear of voltage stabilizing drive circuit (6) and the feeder ear of bypass drive circuit (7) of master control submodule (81);
Wherein another controls enabling termination auxiliary control system module (83) and being subject to auxiliary control system module (82) to enable to control of power supply submodule (30), and three outputs of this control power supply submodule (30) connect respectively feeder ear, the feeder ear of voltage stabilizing drive circuit (6) and the feeder ear of bypass drive circuit (7) of auxiliary control system module (82).
9. an automobile power supply system, comprise Vehicular accumulator cell and electric apparatus mounted on vehicle, it is characterized in that: also comprise the voltage voltage-stabilizing device of using according to automobile described in any one in claim 1-8, the input termination Vehicular accumulator cell of voltage voltage-stabilizing device, its output termination electric apparatus mounted on vehicle.
10. automobile power supply system according to claim 9, is characterized in that: also comprise mobile generator, the input of the output termination voltage voltage-stabilizing device of mobile generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836399.8U CN203708160U (en) | 2013-12-18 | 2013-12-18 | Voltage stabilizing device used for automobile and automobile power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836399.8U CN203708160U (en) | 2013-12-18 | 2013-12-18 | Voltage stabilizing device used for automobile and automobile power supply system |
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| Publication Number | Publication Date |
|---|---|
| CN203708160U true CN203708160U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320836399.8U Expired - Fee Related CN203708160U (en) | 2013-12-18 | 2013-12-18 | Voltage stabilizing device used for automobile and automobile power supply system |
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| CN (1) | CN203708160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410959A (en) * | 2016-11-28 | 2017-02-15 | 上汽大众汽车有限公司 | Vehicle start and stop voltage stabilizer circuit |
| CN113306512A (en) * | 2021-03-28 | 2021-08-27 | 重庆长安汽车股份有限公司 | Finished automobile power distribution system and method and automobile |
-
2013
- 2013-12-18 CN CN201320836399.8U patent/CN203708160U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410959A (en) * | 2016-11-28 | 2017-02-15 | 上汽大众汽车有限公司 | Vehicle start and stop voltage stabilizer circuit |
| CN113306512A (en) * | 2021-03-28 | 2021-08-27 | 重庆长安汽车股份有限公司 | Finished automobile power distribution system and method and automobile |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20171218 |