CN203344870U - Power supply device for vehicle - Google Patents

Power supply device for vehicle Download PDF

Info

Publication number
CN203344870U
CN203344870U CN 201320316995 CN201320316995U CN203344870U CN 203344870 U CN203344870 U CN 203344870U CN 201320316995 CN201320316995 CN 201320316995 CN 201320316995 U CN201320316995 U CN 201320316995U CN 203344870 U CN203344870 U CN 203344870U
Authority
CN
China
Prior art keywords
power supply
supply device
interface
vehicle
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320316995
Other languages
Chinese (zh)
Inventor
张国耕
裴梅香
王毓琨
宋义忠
孙卫清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC General Motors Corp Ltd
Pan Asia Technical Automotive Center Co Ltd
Original Assignee
Pan Asia Technical Automotive Center Co Ltd
Shanghai General Motors Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pan Asia Technical Automotive Center Co Ltd, Shanghai General Motors Co Ltd filed Critical Pan Asia Technical Automotive Center Co Ltd
Priority to CN 201320316995 priority Critical patent/CN203344870U/en
Application granted granted Critical
Publication of CN203344870U publication Critical patent/CN203344870U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides a power supply device for a vehicle. A battery, a frequent power supply interface, a control power supply interface and a control unit are integrated in the power supply device for the vehicle. The frequent power supply interface is coupled to the position between the battery and a first electric equipment set to supply power to the first electric equipment set. The control power supply interface is coupled to the position between the battery and a second electric equipment set to supply power to the second electric equipment set only when the electric quantity of the battery is higher than a preset threshold value under the condition that the vehicle is stopped. The control unit is coupled with the frequent power supply interface and the control power supply interface respectively.

Description

A kind of vehicle power supply device
Technical field
The utility model relates to power technology, relates more specifically to a kind of vehicle power supply device.
Background technology
At present, the electric power system of automobile mainly consists of storage battery and electrical generator two parts, the accessory feed that wherein storage battery is automobile, and electrical generator is the main power source of automobile.On the one hand, when normal working of engine, electrical generator, to the nearly all consumer power supply except the automobile ignition system, charges a battery simultaneously.On the other hand, storage battery can be used to when engine starting to startup system and ignition system power supply; At time of engine low speed and generator voltage, to consumer, power during lower than battery charge voltage; Dump energy at medium engine speed or high-speed operation and generator voltage storage electrical generator during higher than battery charge voltage; And when transshipping, electrical generator assist electrical generator to power to consumer.
As can be seen here, storage battery is the requisite part of automobile, is the heart of automobile electric appliance system.When driving engine does not turn round, the whole electric energy that provide used for automobile equipment required are provided storage battery.Yet for example, in the situation that chaufeur is forgotten closes consumer on car and leave vehicle, storage battery will keep electric discharge.When accumulator electric-quantity is finished, just be difficult to start the engine, automobile can't start.At present, can only be solved by the method to storage battery pump electricity, this will bring great inconvenience to vehicle driver.
Therefore, the device, equipment or the system that for the power supply on vehicle equipment electric weight accident that can effectively prevent such as storage battery, exhaust have very large demand.
The utility model content
For achieving the above object, the utility model provides a kind of vehicle power supply device, described vehicle power supply device is integrated with battery, be coupled between battery and the first consumer set with the normal power supply interface to described the first consumer set power supply, be coupled between battery and the second consumer set with in the situation that the control power supply interface that vehicle stop is only powered to described the second consumer set during higher than predetermined threshold at battery electric quantity, and the control unit coupled with described normal power supply interface and described control power supply interface respectively.
According to embodiment more of the present utility model, described vehicle power supply device also is integrated with the electric quantity signal interface of the signal for receiving capable of indicating battery electric quantity, and described electric quantity signal interface and described control unit couple.
According to embodiment more of the present utility model, described vehicle power supply device also is integrated with for receiving the speed signalling interface of vehicle speed signal, and described speed signalling interface and described control unit couple.
According to embodiment more of the present utility model, described vehicle power supply device also is integrated with for receiving the on-off signal interface of the signal whether described control power supply interface of indication power during lower than predetermined threshold at battery electric quantity, and described on-off signal interface and described control unit couple.
According to embodiment more of the present utility model, described the first consumer set comprises engine management system.
According to embodiment more of the present utility model, described the second consumer set comprises one or more in car light module, radio receiver module, navigation module and gauge panel.
The utility model is applicable to carry out the vehicle power supply device of low electric quantity protective logic by structure; making need to be by battery powered situation when stationary vehicle; if battery electric quantity is lower than setting threshold; can disconnect the power supply to nonessential consumers such as car light, radio receiver, navigation, power but continue to retain to the necessary consumer such as engine management system or such as the faint consumer of each sensor.Thus, adopt vehicle power supply device provided by the utility model can avoid largely the abnormal conditions that causes the battery accident to exhaust because vehicle driver is careless to occur.
The accompanying drawing explanation
Below with reference to drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the schematic diagram according to the vehicle power supply device of embodiment of the present utility model.
Fig. 2 is the diagram of circuit of signal according to the low electric quantity protective strategy of the vehicle power supply device of embodiment of the present utility model.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage are become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, each structure in accompanying drawing is schematic rather than determinate, so that those of ordinary skills understand principle of the present utility model best, it is not necessarily drawn in proportion.
Fig. 1 is the schematic diagram according to the vehicle power supply device of embodiment of the present utility model.Fig. 2 is the diagram of circuit of signal according to the low electric quantity protective strategy of the vehicle power supply device of embodiment of the present utility model.Below in conjunction with Fig. 1 and Fig. 2, vehicle power supply device and the workflow thereof according to embodiment of the present utility model described.
As shown in Figure 1, vehicle power supply device 100 can be integrated with basically battery, normal power supply interface 1, control power supply interface 2 and control unit, and wherein control unit couples with normal power supply interface 1 and control power supply interface 2 respectively.Normal power supply interface 1 is set to be coupled between battery and the first consumer set with each equipment power supply in the first consumer set.Described the first consumer set for example can at least comprise the necessary consumer as engine management system, or further comprises the faint consumer such as sensor.Controlling power supply interface 2 is set to be coupled between battery and the second consumer set with each equipment power supply in the second consumer set.For instance, described the second consumer set can comprise the nonessential consumer such as car light module, radio receiver module, navigation module, gauge panel.In practice, all consumers that vehicle power supply device 100 is responsible for have been contained in the first consumer set and the second consumer set substantially jointly.
In practice, normal power supply interface 1 can be mainly by wire to engine management system, sensor module for power supply, can also power by the mode of other wired or wireless couplings.Similarly, control power supply interface 2 can be mainly by wire to module for power supply such as car light module, gauge panels, also can power by the mode of other wired or wireless couplings.
With reference to figure 2, when vehicle during in normal motoring condition, vehicle power supply device 100 can, as required to all consumer power supplies, be powered to the first consumer set by normal power supply interface 1, and power to the second consumer set by controlling power supply interface 2.
When vehicle, during in halted state, as described in background technology, the battery in vehicle power supply device may become the main energy source of various consumers on car, and is used to start the engine.In this case, can effectively control the continuation consumption of electric weight when guaranteeing that battery electric quantity reaches the least restrictive electric weight, do not affect again the normal startup of vehicle simultaneously, vehicle power supply device 100 can be for example by control unit make to control power supply interface 2 only battery electric quantity during higher than predetermined threshold to the second consumer set power supply.That is to say, when vehicle during in halted state, if battery electric quantity lower than predetermined threshold, vehicle power supply device 100 will stop to such as the nonessential consumer power supply such as car light module, radio receiver module, navigation module.Simultaneously, when vehicle, during in halted state, no matter whether battery electric quantity is lower than predetermined threshold, and normal power supply interface 1 all keeps to the first consumer set power supply that for example comprises engine management system.
According to embodiment more of the present utility model, vehicle power supply device 100 can be integrated with the speed signalling interface 3 for receiving vehicle speed signal, control unit can couple with speed signalling interface 3, obtain vehicle speed signal by this interface from outside car speed sensor, and this vehicle speed signal judges that vehicle is in normally travelling or halted state.
According to embodiment more of the present utility model, vehicle power supply device 100 can also be integrated with the on-off signal interface 4 of controlling the signal whether power supply interface 2 power during lower than predetermined threshold at battery electric quantity for receiving indication.That is to say, whether vehicle power supply device 100 opens low electric quantity protective when vehicle stop, can by special switching device, be decided by the user.Control unit can couple with on-off signal interface 4, obtains the signal that indicates whether to open low electric quantity protective from outside switching device by this interface.
As shown in Figure 2, in the situation that vehicle stop, vehicle power supply device 100 can first judge whether low electric quantity protective opens.If do not open, vehicle power supply device 100 in the situation that vehicle stop no matter all consumers power supplies how battery electric quantity all will be responsible for to it, that is to say control power supply interface 2 no matter battery electric quantity higher than or all will be to the second consumer set power supply lower than predetermined threshold.
If the on-off signal indicating user wishes to open low electric quantity protective, vehicle power supply device 100 will be monitored and further be judged that whether battery electric quantity is lower than predetermined threshold battery electric quantity.Continuation is with reference to the diagram of circuit of figure 2, in the situation that battery electric quantity is higher than predetermined threshold, vehicle power supply device 100 keeps all consumers power supplies that it is responsible for.In the situation that battery electric quantity is lower than predetermined threshold, vehicle power supply device 100 will stop the nonessential consumer such as such as car light module, radio receiver module, navigation module, gauge panel.
According to embodiment more of the present utility model, vehicle power supply device can be integrated with the electric quantity signal interface 5,6 of the signal for receiving capable of indicating battery electric quantity.The signal of capable of indicating battery electric quantity can for example comprise the signal of pilot cell voltage and the signal of pilot cell electric current.Control unit can couple with electric quantity signal interface 5,6, for example by interface 5, from outside observation circuit, receive battery voltage signal, and receive the battery current signal by interface 6 from outside observation circuit, and received cell pressure or battery current and predetermined voltage threshold or predetermined current threshold comparison need to be stopped powering to the second consumer set by control power supply interface 2 determining whether.In the situation that low electric quantity protective opens, control unit will make to control power supply interface 2 only battery electric quantity during higher than predetermined threshold to the second consumer set power supply, and stop to the second consumer set power supply during lower than predetermined threshold at battery electric quantity.On the contrary, no matter whether low electric quantity protective opens, normal power supply interface 1 all keeps to the first consumer set power supply.
The utility model is applicable to carry out the vehicle power supply device of low electric quantity protective logic by structure; making need to be by battery powered situation when stationary vehicle; if battery electric quantity is lower than setting threshold; can disconnect the power supply to nonessential consumers such as car light, radio receiver, navigation, power but continue to retain to the necessary consumer such as engine management system or such as the faint consumer of each sensor.Thus, adopt vehicle power supply device provided by the utility model can avoid largely the abnormal conditions that causes the battery accident to exhaust because vehicle driver is careless to occur.
More than enumerate some specific embodiments and illustrated in detail the utility model, these a few examples are only for explanation principle of the present utility model and embodiment thereof, but not to restriction of the present utility model, in the situation that do not break away from spirit and scope of the present utility model, those of ordinary skill in the art can also make various distortion and improvement.Therefore all technical schemes that are equal to all should belong to category of the present utility model and be limited by every claim of the present utility model.

Claims (6)

1. a vehicle power supply device, it is characterized in that, described vehicle power supply device is integrated with battery, be coupled between battery and the first consumer set with the normal power supply interface to described the first consumer set power supply, be coupled between battery and the second consumer set with in the situation that the control power supply interface that vehicle stop is only powered to described the second consumer set during higher than predetermined threshold at battery electric quantity, and the control unit coupled with described normal power supply interface and described control power supply interface respectively.
2. vehicle power supply device as claimed in claim 1, is characterized in that, described vehicle power supply device also is integrated with the electric quantity signal interface of the signal for receiving capable of indicating battery electric quantity, and described electric quantity signal interface and described control unit couple.
3. vehicle power supply device as claimed in claim 1, is characterized in that, described vehicle power supply device also is integrated with for receiving the speed signalling interface of vehicle speed signal, and described speed signalling interface and described control unit couple.
4. vehicle power supply device as claimed in claim 1, it is characterized in that, described vehicle power supply device also is integrated with for receiving the on-off signal interface of the signal whether described control power supply interface of indication power during lower than predetermined threshold at battery electric quantity, and described on-off signal interface and described control unit couple.
5. vehicle power supply device as claimed in claim 1, is characterized in that, described the first consumer set comprises engine management system.
6. vehicle power supply device as claimed in claim 1, is characterized in that, described the second consumer set comprises one or more in car light module, radio receiver module, navigation module and gauge panel.
CN 201320316995 2013-06-04 2013-06-04 Power supply device for vehicle Expired - Fee Related CN203344870U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320316995 CN203344870U (en) 2013-06-04 2013-06-04 Power supply device for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320316995 CN203344870U (en) 2013-06-04 2013-06-04 Power supply device for vehicle

Publications (1)

Publication Number Publication Date
CN203344870U true CN203344870U (en) 2013-12-18

Family

ID=49744799

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320316995 Expired - Fee Related CN203344870U (en) 2013-06-04 2013-06-04 Power supply device for vehicle

Country Status (1)

Country Link
CN (1) CN203344870U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103770735A (en) * 2014-01-26 2014-05-07 浙江吉利控股集团有限公司 Vehicle meter static current control system
CN107363381A (en) * 2016-05-13 2017-11-21 林肯环球股份有限公司 Start stop mode welding machine generator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103770735A (en) * 2014-01-26 2014-05-07 浙江吉利控股集团有限公司 Vehicle meter static current control system
CN103770735B (en) * 2014-01-26 2016-03-30 浙江吉利控股集团有限公司 A kind of vehicular meter quiescent current control system
CN107363381A (en) * 2016-05-13 2017-11-21 林肯环球股份有限公司 Start stop mode welding machine generator

Similar Documents

Publication Publication Date Title
CN104709104B (en) Method and system for rapidly switching battery packs of electric vehicle
CN104085312B (en) A kind of cell management system of electric automobile
CN104691445B (en) Low-voltage power supply system used for vehicle and control method of low-voltage power supply system
CN103986209A (en) Automotive storage battery charging system and method
CN103036279B (en) Electricity shortage preventing system of storage battery of vehicle
CN103001268B (en) Charging system for electric automobile, method and comprise the automobile of charging system for electric automobile
CN103326405A (en) Method and device for heating and charging electric vehicle at low temperature
CN202455136U (en) Vehicle power supply protection device
CN203747443U (en) Vehicular solar charging system and automobile
CN106256593B (en) A kind of dual battery system discharge control method and system
CN108973831B (en) External power supply system and method for mobile charging vehicle
CN111251942A (en) Electric vehicle battery power supplementing method and system and electric vehicle
CN105790374B (en) A kind of vehicle-mounted storing up electricity case
CN203554016U (en) Automatic charge/discharge switching controller for two storage batteries of automobile
CN104986047A (en) Control method for low-voltage hybrid vehicle battery system
CN113696748B (en) Fuel cell power supply system, control method and control device thereof
CN107658930A (en) A kind of energy-storage battery
CN103618346A (en) Automobile double-set storage battery charging and discharging automatic switching controller
CN203344870U (en) Power supply device for vehicle
CN204441870U (en) Automobile storage battery detects protection system
CN104092365A (en) Enabling control method of direct-current high-voltage and low-voltage converter and voltage outputting control method
CN103633672B (en) The power supply protection device of in-vehicle wireless device and method of supplying power to
CN207339344U (en) A kind of energy-storage battery
CN203119507U (en) Electric automobile battery charging and discharging management system
CN202923413U (en) Alternating current (AC) and direct current (DC) charging low voltage power supply control system for full electric vehicle

Legal Events

Date Code Title Description
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: 20131218