CN104578306A - Vehicle-mounted power source management system - Google Patents
Vehicle-mounted power source management system Download PDFInfo
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- CN104578306A CN104578306A CN201510032193.3A CN201510032193A CN104578306A CN 104578306 A CN104578306 A CN 104578306A CN 201510032193 A CN201510032193 A CN 201510032193A CN 104578306 A CN104578306 A CN 104578306A
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- aerotron
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00036—Charger exchanging data with battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a vehicle-mounted power source management system which comprises a first-level low_v and a second-level low_v which are arranged in parallel. The first-level low_v comprises a power source monitoring module and a sampling module. The power source monitoring module for monitoring the voltage change of a power source is connected to the power source and outputs signals to the sampling module. The sampling module outputs sampling signals to an MCU. The second-level low_v comprises a voltage division module, a comparison module and a detection module. The voltage division module for detecting the voltage change of the power source is connected to the power source. The power source voltage is output to the comparison module after passing through the voltage division module. The comparison module outputs comparison signals to the detection module, and the detection module outputs signals to the MCU. The vehicle-mounted power source management system has the advantages that by the adoption of the two levels of low_v, power consumption of the system can be lowered, the system is made to be in a critical state, unit control is conducted on partial unit circuits in batches, power consumption is lowered, and the instable work brought by sudden turn-off or turn-on of the system is relieved.
Description
Technical field
The present invention discloses a kind of power-supply system, particularly a kind of vehicle-mounted power management system.
Background technology
Automobile is inseparable with the life of current people as a kind of modern means of communication, in order to need of work and people to comfortable, requirement easily, increasing final terminal is attached in automobile.
Due to a variety of causes, the place that the various electric equipmenies newly increased are in use also unsatisfactory, causes restarting of new installation etc. when being mainly manifested in automotive ignition, and igniting is restarted phenomenon and determined by power supply in vehicle electronic device.Generally the direct supply input voltage of vehicle electronics storage battery is 12V ± 10%, the Width funtion that particular design vehicle electronics mains connection set storage battery exports, scope can be :-25%, and+50%, namely nominal value is 12VDC, and direct supply practical range of values is 9VDC to 18VDC.
Due to when automotive ignition starts, actual battery tension is lower than 9VDC, so when automotive ignition, mobile unit can cause automobile equipment system stalls because of voltage below level.After ignition trigger, mobile unit can because of voltage rise, therefore mobile unit because voltage rise is to specified, can start again.
For this problem, so there is people to make an issue of on automobile equipment power-supply management system.Adopt the monitoring when the power supply of device systems falls, the circuit that detect and control etc. is correlated with, improve the time upper orderly start of system works, be namely adopt low_v circuit, in prior art, substantially adopt one-level low_v, effect is not ideal enough.
Summary of the invention
One-level low_v is adopted for the above-mentioned vehicle-mounted power management system of the prior art mentioned, the shortcoming that effect is undesirable, the invention provides a kind of new vehicle-mounted power management system, it adopts secondary low_v, can fast starting ignition system power failure bring restart drawback.
The technical scheme that the present invention solves the employing of its technical matters is: a kind of vehicle-mounted power management system, this system comprises first order low_v and the second stage low_v of parallel setting, first order low_v comprises Power Monitoring Unit and sampling module, Power Monitoring Unit for the change of voltage of monitoring power supply is connected to power supply, Power Monitoring Unit outputs signal to sampling module, sampling module exports sampled signal to MCU, second stage low_v comprises division module, comparison module and detection module, division module for the change of voltage detecting power supply is connected to power supply, power line voltage exports to comparison module after division module dividing potential drop, comparison module exports comparison signal to detection module, detection module outputs signal to MCU.
The technical scheme that the present invention solves the employing of its technical matters further comprises:
Described division module mainly comprises aerotron Q231, resistance R260, resistance R258 and electric capacity C242, the emitter of the aerotron Q231 in division module is connected with power supply by resistance R258, the common port of the aerotron Q231 in resistance R258 and division module is by electric capacity C242 ground connection, and the base stage of the aerotron Q231 in division module is by the resistance R260 ground connection of serial connection.
Described comparison module comprises aerotron Q231, resistance R261, resistance R253 and aerotron Q232, the base stage of the aerotron Q231 in comparison module is connected with the base stage of the aerotron Q231 in division module, the emitter of the aerotron Q231 in comparison module is connected to the VDD_3.3V of system, the collecting electrode of the aerotron Q231 in comparison module is connected with the base stage of aerotron Q232 by resistance R261, the collecting electrode of aerotron Q232 is connected with the base stage of the aerotron Q231 in comparison module by resistance R253, the grounded emitter of aerotron Q232.
Described aerotron Q232 adopts model to be the aerotron of BCR116.
Described aerotron Q231 adopts model to be the compound triode of BC857BS, and an aerotron of its inside is as a part for division module, and its another aerotron inner is as a part for comparison module.
Described detection module comprises resistance R262, resistance R252 and electric capacity C241, the collecting electrode that resistance R262 one end is connected to the aerotron Q231 in comparison module connects, the resistance R262 other end is connected on MCU, and resistance R252 and electric capacity C241 is connected in parallel between resistance R262 and ground.
Described Power Monitoring Unit comprises aerotron Q206, aerotron Q207, resistance R216 and resistance R217, the emitter of aerotron Q206 is connected with power supply, between the emitter of aerotron Q206 and base stage, cross-over connection has resistance R216, the base stage of aerotron Q206 is connected to the collecting electrode of aerotron Q207 by resistance R217, the base stage of aerotron Q207 is connected to an I/O mouth of MCU, the grounded emitter of aerotron Q207.
Described aerotron Q206 adopts model to be the aerotron of MMBTA56LT1.
Described sampling module comprises resistance R218, resistance R219 and electric capacity C124, and resistance R218 is serially connected between the collecting electrode of aerotron Q205 and the A/D pin of MCU, and resistance R219 and electric capacity C124 is connected in parallel, and is connected between the A/D pin of MCU and ground.
The invention has the beneficial effects as follows: when the present invention adopts the benefit of secondary low_v, can reduce the power consumption of system, system is in critical, the present invention adopts unit circuit unit controls in batches, reduce power consumption, the system that delays is closed suddenly or is started the job insecurity brought.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present invention.
Fig. 2 is schematic circuit diagram of the present invention.
Detailed description of the invention
The present embodiment is the preferred embodiment for the present invention, and other its principles all are identical with the present embodiment or approximate with basic structure, all within scope.
Please refer to accompanying drawing 1 and accompanying drawing 2, the present invention mainly adopts the secondary low_v method among power management, element circuit structure comprises: for monitor acoustic navigation system power supply power supply voltage change supervisory circuit, for detection of sound navigationsystem power source supplying voltage change testing circuit and control circuit, when it constructs a kind of ignition trigger, in automobile equipment acoustic navigation system, during the acoustic navigation of automobile power source powered vehicle, mains voltage variations, monitoring, judges and detects.
The present invention mainly comprises first order low_v and the second stage low_v of parallel setting, first order low_v comprises Power Monitoring Unit D and sampling module E, Power Monitoring Unit D is connected on power supply, for the change of voltage of monitoring power supply, Power Monitoring Unit outputs signal to sampling module E, sampling module E exports to MCU, in the present embodiment, MCU is provided with A/D interface, sampling module E exports and is connected on A/D interface, second stage low_v comprises division module A, comparison module B and detection module C, division module A is connected on power supply, for detecting the change of voltage of power supply, power line voltage exports to comparison module B after division module A dividing potential drop, comparison module B exports comparison signal to detection module C, detection module C outputs signal to MCU.
In the present embodiment, division module A mainly comprises aerotron Q231, resistance R260, resistance R258 and electric capacity C242,1st pin (i.e. emitter) of aerotron Q231 is connected with power supply by resistance R258, the common port of resistance R258 and aerotron Q231 is by electric capacity C242 ground connection, the resistance R260 ground connection of base stage by being connected in series of aerotron Q231, resistance R260 adopts 100K resistance.
In the present embodiment, comparison module B comprises aerotron Q231, resistance R261, resistance R253 and aerotron Q232, in the present embodiment, aerotron Q231 employing model is the compound triode of BC857BS, an aerotron of its inside is as a part of division module A, its another aerotron inner is as a part of comparison module B, the base stage of two aerotrons links together, the emitter of the aerotron Q231 in comparison module B is connected to the VDD_3.3V of system, the collecting electrode of the aerotron Q231 in comparison module B is connected with the base stage of aerotron Q232 by resistance R261, the collecting electrode of aerotron Q232 is connected with the base stage of the aerotron Q231 in comparison module B by resistance R253, the grounded emitter of aerotron Q232.In the present embodiment, aerotron Q232 adopts model to be the aerotron of BCR116, and the resistance of resistance R261 is 100K, and the resistance of resistance R253 is 560K.
In the present embodiment, detection module C comprises resistance R262, resistance R252 and electric capacity C241, the collecting electrode that resistance R262 one end is connected to the aerotron Q231 in comparison module B connects, and the resistance R262 other end is connected on MCU, and resistance R252 and electric capacity C241 is connected in parallel between resistance R262 and ground.In the present embodiment, resistance R262 resistance is 330 Ω, and resistance R252 resistance is 10K.
In the present embodiment, Power Monitoring Unit D comprises aerotron Q206, aerotron Q207, resistance R216 and resistance R217, aerotron Q206 adopts model to be the aerotron of MMBTA56LT1, the emitter of aerotron Q206 is connected with power supply, between the emitter of aerotron Q206 and base stage, cross-over connection has resistance R216, in the present embodiment, the resistance of resistance R216 is 47K, the base stage of aerotron Q206 is connected to the collecting electrode of aerotron Q207 by resistance R217, the base stage of aerotron Q207 is connected to an I/O mouth of MCU, the grounded emitter of aerotron Q207, in the present embodiment, aerotron Q207 adopts model to be the aerotron of BCR116.
In the present embodiment, sampling module E comprises resistance R218, resistance R219 and electric capacity C124, resistance R218 is serially connected between the collecting electrode of aerotron Q205 and the A/D pin (i.e. AIN pin) of MCU, resistance R219 and electric capacity C124 is connected in parallel, be connected between the A/D pin of MCU and ground, in the present embodiment, the resistance of resistance R218 is 64K9, and the resistance of resistance R219 is 11K.
In the present embodiment, MCU forms control module F, control module F and is provided with serial communication interface, for communication.
Operationally, when vehicle electronics starts, battery feed A+ is 8.2V in the present invention, and when continuation power consumption drops to 6.8V by 8.2V, then enable secondary LOW_V unit controls, now, operating system is in dormant state.
Specific works: described circuit power A+ is connected to 1 pin (i.e. emitter) of aerotron Q231 by 68.1K resistance R258,2 pin (i.e. base stage) of the aerotron Q231 in circuit carry out dividing potential drop, partial pressure value
When A+ is 6.8V, partial pressure value is 4.045V, by PNP triode PN junction on the right side of the aerotron Q231 in comparison module B relatively after, this PNP pipe PN junction end, system VDD_3.3V is not detected as low level by the comparator circuit of comparison module B to detection module C, and low level is invalid;
Sys_on system ON is still ON, and system is in running order.
When A+ is 4.3V, partial pressure value is 2.6V, by PNP triode PN junction on the right side of the aerotron Q231 in comparison module B relatively after, this PNP pipe PN junction pressure difference 0.7V is in critical conditions, BL_ON/OFF is in OFF state, and Sys_on system ON is still ON, and system is in running order.
When A+ is for being less than 4.3V, partial pressure value is less than 2.6V, by PNP triode PN junction on the right side of the aerotron Q231 in comparison module B relatively after, this PNP pipe PN junction conducting, system VDD_3.3V to detection module C, is detected as high level by the comparator circuit in comparison module B, and high potential is effective.
Sys_on system ON becomes OFF, system closing, and machine system is closed.
When power supply slowly rises, on the contrary above process.
In the present invention, primary power source LOW_V mode of operation is as follows:
When car machine ACC ignition trigger, when the sudden change of car machine battery feed is reduced to 9V, system still normally works; Car machine battery feed one tunnel slowly drops to 8.7V, is in back stagnant state, i.e. critical conditions; When dropping to 8.2V, system is in false off-mode, and namely the backlight of machine system is closed, and BL_ON/OFF is in OFF, and the main operating system part of complete machine is still working properly, and other are in dormant state.
Car machine battery feed experience 17V → 16.3V → 16V → 9V → 8.7V → 8.2V, inputs to MCU_AD by the sampling value of sampling module E and detects decision systems mode of operation.
Secondary power supply LOW_V mode of operation is as follows:
When storage battery continues power consumption by 8.2V → 6.8V, enable secondary LOW_V unit controls, operating system is in dormant state; During from 6.8V → 6.6V, system is in critical conditions, namely under 6.6V partially time, system is in the state of quitting work; During to 6.2V, car machine is in the state of quitting work completely.
When storage battery charges again, when being equal to or higher than 6.2V, the start of car machine is started to control, but is in the state of quitting work.When continuing to get back to 6.6V, components of system as directed work and sleep starts.When proceeding to 6.8V, dormancy is thoroughly activated, and sleep is freezed to enter into system works.
Claims (9)
1. a vehicle-mounted power management system, it is characterized in that: described system comprises first order low_v and the second stage low_v of parallel setting, first order low_v comprises Power Monitoring Unit and sampling module, Power Monitoring Unit for the change of voltage of monitoring power supply is connected to power supply, Power Monitoring Unit outputs signal to sampling module, sampling module exports sampled signal to MCU, second stage low_v comprises division module, comparison module and detection module, division module for the change of voltage detecting power supply is connected to power supply, power line voltage exports to comparison module after division module dividing potential drop, comparison module exports comparison signal to detection module, detection module outputs signal to MCU.
2. vehicle-mounted power management system according to claim 1, it is characterized in that: described division module mainly comprises aerotron Q231, resistance R260, resistance R258 and electric capacity C242, the emitter of the aerotron Q231 in division module is connected with power supply by resistance R258, the common port of the aerotron Q231 in resistance R258 and division module is by electric capacity C242 ground connection, and the base stage of the aerotron Q231 in division module is by the resistance R260 ground connection of serial connection.
3. vehicle-mounted power management system according to claim 1, it is characterized in that: described comparison module comprises aerotron Q231, resistance R261, resistance R253 and aerotron Q232, the base stage of the aerotron Q231 in comparison module is connected with the base stage of the aerotron Q231 in division module, the emitter of the aerotron Q231 in comparison module is connected to the VDD_3.3V of system, the collecting electrode of the aerotron Q231 in comparison module is connected with the base stage of aerotron Q232 by resistance R261, the collecting electrode of aerotron Q232 is connected with the base stage of the aerotron Q231 in comparison module by resistance R253, the grounded emitter of aerotron Q232.
4. vehicle-mounted power management system according to claim 3, is characterized in that: described aerotron Q232 adopts model to be the aerotron of BCR116.
5. the vehicle-mounted power management system according to Claims 2 or 3, it is characterized in that: described aerotron Q231 employing model is the compound triode of BC857BS, an aerotron of its inside is as a part for division module, and its another aerotron inner is as a part for comparison module.
6. vehicle-mounted power management system according to claim 3, it is characterized in that: described detection module comprises resistance R262, resistance R252 and electric capacity C241, the collecting electrode that resistance R262 one end is connected to the aerotron Q231 in comparison module connects, the resistance R262 other end is connected on MCU, and resistance R252 and electric capacity C241 is connected in parallel between resistance R262 and ground.
7. vehicle-mounted power management system according to claim 1, it is characterized in that: described Power Monitoring Unit comprises aerotron Q206, aerotron Q207, resistance R216 and resistance R217, the emitter of aerotron Q206 is connected with power supply, between the emitter of aerotron Q206 and base stage, cross-over connection has resistance R216, the base stage of aerotron Q206 is connected to the collecting electrode of aerotron Q207 by resistance R217, the base stage of aerotron Q207 is connected to an I/O mouth of MCU, the grounded emitter of aerotron Q207.
8. vehicle-mounted power management system according to claim 7, is characterized in that: described aerotron Q206 adopts model to be the aerotron of MMBTA56LT1.
9. vehicle-mounted power management system according to claim 1, it is characterized in that: described sampling module comprises resistance R218, resistance R219 and electric capacity C124, resistance R218 is serially connected between the collecting electrode of aerotron Q205 and the A/D pin of MCU, resistance R219 and electric capacity C124 is connected in parallel, and is connected between the A/D pin of MCU and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510032193.3A CN104578306B (en) | 2015-01-22 | 2015-01-22 | Vehicle-mounted power management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510032193.3A CN104578306B (en) | 2015-01-22 | 2015-01-22 | Vehicle-mounted power management system |
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| CN104578306A true CN104578306A (en) | 2015-04-29 |
| CN104578306B CN104578306B (en) | 2016-10-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116347A (en) * | 2016-11-28 | 2018-06-05 | 厦门雅迅网络股份有限公司 | A kind of car-mounted terminal low pressure turning off system for preventing igniting from resetting and method |
| CN109969106A (en) * | 2019-04-21 | 2019-07-05 | 常州轻工职业技术学院 | Vehicle-mounted ACC power control and method based on NMOS |
| CN110829814A (en) * | 2018-08-09 | 2020-02-21 | 普天信息技术有限公司 | Power supply management system and method of vehicle-mounted platform |
| CN111532173A (en) * | 2020-05-14 | 2020-08-14 | 海马新能源汽车有限公司 | Power consumption controller and control method for electric automobile |
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| US20070194791A1 (en) * | 2006-02-17 | 2007-08-23 | Bppower Inc. | Method and apparatus for monitoring the condition of a battery by measuring its internal resistance |
| CN104260677A (en) * | 2014-09-18 | 2015-01-07 | 深圳市双赢伟业科技股份有限公司 | Vehicle power supply control circuit and car |
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2015
- 2015-01-22 CN CN201510032193.3A patent/CN104578306B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070194791A1 (en) * | 2006-02-17 | 2007-08-23 | Bppower Inc. | Method and apparatus for monitoring the condition of a battery by measuring its internal resistance |
| CN104260677A (en) * | 2014-09-18 | 2015-01-07 | 深圳市双赢伟业科技股份有限公司 | Vehicle power supply control circuit and car |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116347A (en) * | 2016-11-28 | 2018-06-05 | 厦门雅迅网络股份有限公司 | A kind of car-mounted terminal low pressure turning off system for preventing igniting from resetting and method |
| CN108116347B (en) * | 2016-11-28 | 2020-07-31 | 厦门雅迅网络股份有限公司 | Low-voltage turn-off system and method for preventing ignition reset of vehicle-mounted terminal |
| CN110829814A (en) * | 2018-08-09 | 2020-02-21 | 普天信息技术有限公司 | Power supply management system and method of vehicle-mounted platform |
| CN109969106A (en) * | 2019-04-21 | 2019-07-05 | 常州轻工职业技术学院 | Vehicle-mounted ACC power control and method based on NMOS |
| CN111532173A (en) * | 2020-05-14 | 2020-08-14 | 海马新能源汽车有限公司 | Power consumption controller and control method for electric automobile |
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| Publication number | Publication date |
|---|---|
| CN104578306B (en) | 2016-10-05 |
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