CN101710727B - Control method and control system of power supply and electronic equipment of motor vehicle - Google Patents
Control method and control system of power supply and electronic equipment of motor vehicle Download PDFInfo
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- CN101710727B CN101710727B CN2009101537592A CN200910153759A CN101710727B CN 101710727 B CN101710727 B CN 101710727B CN 2009101537592 A CN2009101537592 A CN 2009101537592A CN 200910153759 A CN200910153759 A CN 200910153759A CN 101710727 B CN101710727 B CN 101710727B
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Abstract
The invention discloses a control method and a control system of a power supply and electronic equipment of a motor vehicle, wherein the power supply and the electronic equipment comprise a power supply system, electronic equipment, a power supply module, a first switch and a first branch circuit, wherein the power supply system is formed by connecting a generating system and a battery system in parallel, the first switch is used for conducting the power supply system and the power supply module, and the first branch circuit provided with a second switch is arranged between the power supply system and the power supply module; when the first switch is conducted, the second switch is ordered to be conducted, so that the power supply system and the power supply module are conducted through the first branch circuit; when the first switch is turned off, the second switch is ordered to be turned off at preset time or under a preset condition; and when the preset time or the preset condition does not occur, the first switch restores the conducted state, then the preset time or the preset condition is cancelled, and the second switch is continuously kept conducted. The control method and the control system fully utilize the traditional power supply system, and simultaneously realize the intellectualized management of the power supply system and the electronic equipment on a simple circuit.
Description
Technical field
The present invention relates to a kind of control method that is used for the power supply and the electronic equipment of automotive, and the control system of implementing this method.
Background technology
In various automotives such as vehicle, train, subway and steamer; Their electric power system is mainly composed in parallel by electricity generation system (like generator) and battery system (like storage battery), battery system vehicle launch, generator do not work or the under powered situation of generator for electricity generation under energy is provided.
With the automobile is example, and vehicle power generation system mainly is comprised of electrical generators, and the on-vehicle battery system is made up of battery, and when generator was not worked, vehicle electronic device was all supplied power by the on-vehicle battery system.But existing vehicle electronic device can not intelligent management, if they directly are connected on the vehicle-mounted electric power system, when generator is not worked; They are still worked; Will deplete the energy of on-vehicle battery, thereby cause vehicle normally to use, influence the unlatching of vehicle; Therefore existing vehicle electronic device does not all have directly to join with vehicle-mounted electric power system, and they link to each other with vehicle-mounted electric power system through the vehicle power supply master switch.After vehicle power supply master switch closure, vehicle electronic device is just received on the vehicle-mounted electric power system, and vehicle electronic device is just started working; After the vehicle power supply master switch broke off, vehicle electronic device just broke off with vehicle-mounted electric power system, and vehicle electronic device is not just worked; The vehicle power supply master switch is controlled by car key or other signals.
The application of vehicle electronic device more and more widely, at present, camera, wireless module and multimedia player etc. are installed on vehicle has become first-selection, their power-supply system directly influences the operating position of vehicle electronic device.Vehicle electronic device commonly used does not at present all have directly to link to each other with its electric power system, but links to each other with its electric power system through a vehicle power supply master switch, and this vehicle power supply master switch is by car key or other signal controlling.During vehicle launch, master switch is closed, and electronic equipment is started working; When vehicle quit work or breaks down, switch broke off, and electronic equipment just quits work.
Aforesaid way causes the working range of electronic equipment to receive very big restriction.For example: after breaking down or after quitting work; Vehicle-mounted pick-up head and electronic equipment are not worked; Camera and electronic equipment just can not to after the fault with after vehicle quits work, situation and event are recorded a video and are handled on the car, thereby just lose a lot of valuable clues and information.Secondly, after breaking down or after vehicle quits work, in-vehicle wireless communications device (as: 3G module; The GPRS module; The WIFI module) and other electronic equipment all can't normally use, just can not in time report to the police and transmission information, accident just can not be handled timely and effectively.In addition, vehicle can fix a point to park, and when fixed point was parked, vehicle electronic device all quit work, and just can not upgrade the information on the mobile unit through wireless network, just can not upload and download message.
Can find out that more than all there are a shortcoming in power supply on the current mobility vehicles and electronic equipment: their work is controlled by control signals such as key, remote controller, can't carry out intelligent management.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structurely, realize power supply and electronic equipment on intelligent control and the management automotive simultaneously, control the mode of operation and the operating time of each power supply and electronic equipment flexibly.
Automotive general reference vehicle, train, subway and steamer etc. that the present invention is alleged; Its common ground is that electric power system is mainly composed in parallel by electricity generation system and battery system, and the alleged electronic equipment of the present invention is meant the power consumption equipment of the electric power system on the direct or indirect use automotive.
A kind of power supply of automotive and the control method of electronic equipment; Described power supply and electronic equipment comprise electric power system, the electronic equipment, direct to the power module of power electronic equipment and first switch that is used for conducting electric power system and power module that is made up of electricity generation system and battery system parallel connection; Electricity generation system was stopped power supply when described first switch broke off
First branch road of band second switch is set between described electric power system and power module;
When first switch conduction, detect the Continuity signal of first switch, and, make electric power system and power module through the first branch road conducting through this Continuity signal instruction second switch conducting;
When first switch breaks off, detect the cut-off signal of first switch, and under preset time or condition, break off through this cut-off signal instruction second switch;
When described preset time or condition did not take place as yet, first switch recovered conducting again, then preset time or condition cancellation, and second switch continues to keep conducting.
When described first switch conduction electric power system and power module, be directly to link to each other with power module with electric power system through lead.
When described first switch conduction electric power system and power module, be that Continuity signal through first switch self instructs described second switch conducting, make electric power system and power module through the first branch road conducting.
Promptly first switch can be realized the conducting between electric power system and the power module through direct or indirect dual mode.
A kind of power supply of automotive and the control system of electronic equipment; Comprise the electric power system, the electronic equipment, direct to the power module of power electronic equipment and first switch that is used for conducting electric power system and power module that are made up of electricity generation system and battery system parallel connection, electricity generation system was stopped power supply when described first switch broke off.
Between described electric power system and power module, be provided with first branch road of band second switch, first branch road is with electric power system and power module conducting when second switch is closed;
Be provided with control module, described control module comprises:
A) testing circuit is used to detect the closed of first switch or break off;
B) control circuit is used to control the closed of second switch or break off second switch conducting when first switch closure;
C) signal circuit is used for the signal of receiving test circuit and sends the cut-off signal be used to control second switch to control circuit;
Described first switch directly links to each other with power module with electric power system through lead; Or act on second switch through the second source module, make the second switch conducting through the second source module during first switch closure.
Promptly first switch can be realized the conducting between electric power system and the power module through direct or indirect dual mode.
If adopt the second source module, be provided with second control circuit in the then described second source module, be used to control the conducting of second switch.
Need to prove; In the application scenario of reality; Described electronic equipment, second switch, power module, second source module and control module may occur with various forms, and for example: four occur perhaps with whole physical aspect, and four relatively independent physical modules occur.But, occur with which kind of physical aspect regardless of four, see that from logic function four all is relatively independent, therefore in description of the invention, they are four functional modules separately.
For example in the practical application, can control module directly be embedded electronic equipment, and the circuit of corresponding function also can be shared with electronic equipment in the completion control module, promptly uses the partial circuit in the electronic equipment.
Described electric power system is composed in parallel by electricity generation system and battery system; First switch is to carry element on the automotive, and promptly battery main switch is an example with the motor vehicle; First switch is the vehicle power supply master switch, and the vehicle power supply master switch is controlled by car key or other signals.
And the conducting of second switch and disconnection are controlled by control module, and electronic equipment directly provides energy by power module.
Testing circuit in the described control module can be all kinds of sample circuits; Control circuit can be made up of circuit such as logical circuits; Signal circuit can be made up of circuit such as signal access, transmission, and these all can adopt in the prior art circuit or module about signal processing.
Control module obtains the operating state of first switch through testing circuit; Control module decides the operating state of second switch according to the operating state of first switch, and control module can also be controlled the operating state of second switch according to the actual requirements through its inner control circuit;
Control module links to each other with electronic equipment through circuit, but the operating state of electron gain equipment like this, the while electronic equipment also can obtain the information in the control module, and electronic equipment also can be confirmed the operating state of himself according to the information in the control module.
Described power module comprises power switch circuit and ON-OFF control circuit, and the input of power switch circuit is used to insert first switch or second switch; The output termination electronic equipment and the embedded system of power switch circuit, ON-OFF control circuit links to each other with power switch circuit, and control module is confirmed the operating state of first switch through detection line;
Behind first switch closure, electricity generation system is just started working, and electricity generation system is just given power electronic equipment, also can charge to battery system simultaneously; When the electricity generation system generated output was not enough, battery system was given power electronic equipment together; After first switch broke off, electricity generation system quits work no longer provided energy; If vehicle breaks down, when vehicle motor was not worked, its electricity generation system also just quit work, and also meaned that first switch just breaks off this moment.
Promptly first switch is not simple is expressed as the switch in the circuit; Also there is the logical relation that is mutually related between first switch and the electricity generation system; So conducting between electric power system and the power module when stressing first switch conduction; But be not only the cut-out of circuit when described first switch breaks off, electricity generation system is also stopped power supply.
Control module itself also can be supplied power through power module, or through other power supplys power supplies.
When first switch is realized the conducting between electric power system and the power module through indirect mode; Be actually through the second source module and act on second switch; Make the first branch road conducting, second source module described here comprises control circuit, the operating state of its may command second switch.
With the automobile is example, and the mode of operation of control system of the present invention can be divided into 2 stages:
1) the vehicle operation stage;
2) vehicle working stage not.
Wherein 1) the vehicle operation stage, the work of its electric power system and electronic equipment is the same with existing systems, and the electric power system that vehicle electricity generation system and battery system are formed is supplied power to vehicle electronic device;
2) vehicle working stage not, for example: vehicle quits work, and breaks down, accident etc.; The vehicle electricity generation system quits work, but the same operate as normal of electronic equipment is supplied power through second switch by vehicle-mounted battery system; This moment, the shutoff of electronic equipment just was not controlled by first switch, and the work of electronic equipment is controlled by control module, after satisfying preset time or condition; Control module is sent off signal, and second switch is broken off, and battery system and electronic equipment all quit work.
Electronic equipment can obtain the operating state of first switch through signal circuit; When first switch is in off-state; To power electronic equipment, control module is obtained the state of first switch at this moment through testing circuit to battery system through second switch, and control module is controlled the operating time of second switch according to actual conditions; Electronic equipment is through obtaining the information in control module this moment; Therefore whether electronic equipment can get into holding state according to the actual conditions decision, and when getting into holding state, system can save energy consumption.
Control system of the present invention has been protected its battery system simultaneously effectively on the basis of the power supply of widening existing automotive and electronic device works scope, do not influence its normal use, has realized intelligent management vehicle power and electronic equipment.
Control system of the present invention does not change its existing electric power system, but has made full use of its existing electric power system, on simple circuit, realizes the intelligent management of its electric power system and its electronic equipment simultaneously, has simplified the complexity of circuit yet.
Description of drawings
Fig. 1 is the principle schematic of the power supply and the electronic device control system of existing automotive;
Fig. 2 is the principle schematic of control system of the present invention;
Fig. 3 is the principle schematic of the another kind of execution mode of control system of the present invention.
Embodiment
Automotive and automobile are example.
Referring to Fig. 1, existing vehicle-mounted electric power system 1, its unlatching and shutoff all are to be controlled by first switch 4 (i.e. vehicle power supply master switch Q among the figure), and vehicle power supply master switch Q is the element of automobile self, and it is controlled by control signals such as key, remote controller.During vehicle launch, vehicle power supply master switch Q is just closed, and its just work of electric power system 1 makes electronic equipment 3 work through power module 2; When vehicle breaks down or key pulls out, vehicle power supply master switch Q just breaks off, and power module 2 quits work, and electronic equipment 3 is equally also worked.Because vehicle power supply master switch Q is controlled by key or remote controller, also receive key or control of remote controller with regard to the work of saying its power module 2 and electronic equipment 3.
With reference to Fig. 2; In the control system of the present invention; Wherein electricity generation system and battery system parallel connection have constituted the electric power system 1 of vehicle; First switch 4 (i.e. vehicle power supply master switch Q among the figure) and second switch 5 (i.e. switch S among the figure) directly are connected on the electric power system 1 of vehicle, and 2 of power modules pass through vehicle power supply master switch Q and link to each other with electric power system 1 with switch S, and electronic equipment 3 provides energy by power module 2; Vehicle power supply master switch Q is controlled by car key or other signals, and switch S is controlled by control module 6.
Vehicle power supply master switch Q directly links to each other with power module 2 with electric power system 1 through lead in the present embodiment, promptly realizes the conducting between electric power system 1 and the power module 2 through direct mode.
Testing circuit in the control module 6 is a sample circuit of the prior art, and control module 6 is obtained the operating state of vehicle power supply master switch Q through testing circuit; Control module 6 is sent the operating state that signal A comes control switch S.
Vehicle power supply master switch Q is controlled by control signals such as key, remote controller; When vehicle launch; Vehicle power supply master switch Q is just closed; The vehicle electricity generation system is work just, and the electric power system 1 that this moment, vehicle electricity generation system and battery system were formed can give power module 2 power supplies through vehicle power supply master switch Q together, and power module 2 just gives electronic equipment 3 power supplies.
When vehicle quits work or has an accident, after the fault; Vehicle electricity generation system G does not just work, and this moment, vehicle power supply master switch Q just broke off, and signal B just becomes low level; Control module just detected vehicle and was in off position this moment; But control module lets switch S still keep conducting through signal A, and power module is received on the C of on-vehicle battery system through switch S, and power module is still in running order; Its electronic equipment and control module are still worked, and the shutoff of its electronic equipment is controlled by control module.
In addition, electronic equipment can obtain the running parameter in the control module through signal line D, the operating state of vehicle power supply master switch Q for example, and control module also can be obtained the operating state of electronic equipment simultaneously.Therefore the vehicle power in the native system and the work of electronic equipment just can realize intelligent management, their shutoff of control module may command.When task finishes or arrives the equipment task time point, control module is turn-offed with regard to control switch S through signal A, and switch S is closed and had no progeny, and its whole electric power system 1 is not worked; Perhaps finish when task, control module 6 can let Vehicular power system (electric power system) or electronic equipment be in the low-power consumption standby state, and this moment, system works was at battery saving mode.
Therefore control system of the present invention quit work or break down at vehicle, after the accident, control module 6 is provided with the mode of operation and the operating time of each electronic equipment 3 flexibly according to actual conditions, has realized intelligent management, can effectively protect its battery system again simultaneously.
Referring to Fig. 3, be another embodiment of the present invention.
Make second switch 5 conductings through second source module 7 when first switch 4 acts on second switch 5, the first switches 4 closures through second source module 7 in this execution mode.Promptly first switch 4 is realized the conducting between electric power system 1 and the power module 2 through indirect mode.
The battery system parallel connection of electricity generation system and vehicle has constituted the electric power system 1 of vehicle, and vehicle power supply master switch Q and switch S directly are connected on the electric power system 1 of vehicle.
Second source module 1 links to each other with electric power system 1 through vehicle power supply master switch Q; 2 of power modules pass through switch S and link to each other with electric power system 1, and electronic equipment 3 directly provides energy by power module 2.
Vehicle power supply master switch Q is controlled by car key or other signals.
And switch S both can have been controlled through signal A by control module 6, also can be controlled through signal F by the second control circuit in the second source module 7.
When vehicle launch, electricity generation system work, vehicle power supply master switch Q is just closed; This moment, the electricity generation system and the battery system of vehicle composed in parallel electric power system 1, because the second source module links to each other with electric power system 1 through vehicle power supply master switch Q, the second source module is also just started working; It is closed that the second source module is sent signal F control switch S; Make power module 2 link to each other with electric power system 1 through switch S, power module 2 is started working, and power module 2 gives electronic equipment 3 power supplies.
When vehicle quits work and has an accident, after the fault, electricity generation system is not just worked, vehicle power supply master switch Q just breaks off; The second source module is just broken off with electric power system 1, and the second source module quits work, and signal B just becomes low level; Control module 6 just detected vehicle through testing circuit and was in off position this moment; But control module 6 lets switch S conducting always, power module 2 pass through switch S through signal A to link to each other with the Vehicular battery system, and power module 2 is still in running order; Its electronic equipment 3 is still worked with control module 6, and the shutoff of electronic equipment 3 is by control module 6 controls.
In addition, electronic equipment 6 can obtain the running parameter in the control module 3 through signal D, the operating state of vehicle power supply master switch Q for example, and control module 6 also can be obtained the operating state of electronic equipment 3 simultaneously.Therefore the work of power module 2 and electronic equipment 3 just can realize intelligent management, their shutoff of control module 6 may command.When task finishes or arrives the equipment task time point, control module 6 is turn-offed with regard to control switch S through signal A, and switch S is closed and had no progeny, and its whole electric power system 1 quits work; Perhaps finish when task, control module 6 can let Vehicular power system and vehicle electronic device system be in the low-power consumption standby state, and system works is at battery saving mode at this moment.
Control system of the present invention quits work or breaks down at vehicle, after the accident, control module 6 is provided with the mode of operation and the operating time of each electronic equipment 3 flexibly according to actual conditions, has realized intelligent management, can effectively protect its battery system again simultaneously.
With regard to concrete equipment, for example camera and electronic equipment quit work at vehicle, and vehicle breaks down and takes place and all can continue video recording after the accident, and recording time can freely be provided with by control module, and more how valuable information and clue are all recorded.Equally; In-vehicle wireless communications device (WIFI module, GPRS module, 3G module etc.) and electronic equipment, but all radio communication and transmission after it quits work or break down and accident takes place, and warning and message transmission; Just can be effective; In time handle, personal safety and property safety are protected, and the operating time of wireless device can freely be provided with by control module.In addition, after the vehicle fixed point was parked, its electronic equipment all can be worked, and can upgrade the information on the vehicle electronic device through wireless network, just can upload and download message.After task termination, system sends signal, cuts off whole power-supply system or system and is in the low-power consumption standby state.Vehicle electronic device links to each other with the Vehicular battery system through switch S; Quit work at vehicle; Break down or accident after; Vehicle electronic device still can be worked, and operating state is controlled by control module, and control module can be carried out intelligent management to the operating state of vehicle electronic device according to the realization demand.Therefore on the basis of realizing intelligent management, can effectively protect its battery system again, not influence normal use.Native system can be controlled the operating time of each electronic equipment flexibly, realizes each electronic equipment of intelligent management, can effectively protect its battery system again simultaneously, does not influence normal use.
At last, it is also to be noted that what more than enumerate only is specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought the protection range of inventing.
Claims (3)
1. the control method of the power supply of an automotive and electronic equipment; Described power supply and electronic equipment comprise the electric power system (1) that is made up of electricity generation system and battery system parallel connection, electronic equipment (3), directly to the power module (2) of electronic equipment (3) power supply and be used for conducting electric power system (1) and first switch (4) of power module (2); Electricity generation system was stopped power supply when described first switch (4) broke off, and it is characterized in that:
First branch road of band second switch (5) is set between described electric power system (1) and power module (2);
When first switch (4) conducting; Detect the Continuity signal of first switch (4); And through this Continuity signal instruction second switch (5) conducting, the conducting simultaneously of first switch (4) and second switch (5) makes electric power system (1) and power module (2) through the first branch road conducting;
When first switch (4) breaks off, detect the cut-off signal of first switch (4), and under preset time or condition, break off through this cut-off signal instruction second switch (5);
When described preset time or condition did not take place as yet, first switch (4) recovered conducting again, then preset time or condition cancellation, and second switch (5) continues to keep conducting;
Described second switch (5) is controlled through control module (6): described control module (6) comprises and is used to detect the closed of first switch (4) or the testing circuit that breaks off, is used to control the closed of second switch (5) or control circuit that breaks off and the signal that is used for receiving test circuit and send the signal circuit of the cut-off signal that is used to control second switch (5) to control circuit; Described control module (6) is obtained the operating state of first switch (4) through testing circuit, the state of confirming second switch (5) according to the operating state and the actual demand of first switch (4) again; Control module (6) is controlled second switch (5) through control circuit; Described electronic equipment (3) can obtain the information in the control module (6) through the exchange of carrying out signal between the signal circuit, and control module (6) also can be obtained the operating state of electronic equipment.
2. control method as claimed in claim 1 is characterized in that: when described first switch (4) conducting electric power system (1) and power module (2), be directly to link to each other with power module (2) with electric power system (1) through lead.
3. control method as claimed in claim 1; It is characterized in that: when described first switch (4) conducting electric power system (1) and power module (2); Described first switch (4) acts on second switch (5) through second source module (7); Make second switch (5) conducting through second source module (7) when first switch (4) is closed, thereby realize the conducting between electric power system (1) and the power module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101537592A CN101710727B (en) | 2009-11-05 | 2009-11-05 | Control method and control system of power supply and electronic equipment of motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101537592A CN101710727B (en) | 2009-11-05 | 2009-11-05 | Control method and control system of power supply and electronic equipment of motor vehicle |
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| Publication Number | Publication Date |
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| CN101710727A CN101710727A (en) | 2010-05-19 |
| CN101710727B true CN101710727B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101537592A Expired - Fee Related CN101710727B (en) | 2009-11-05 | 2009-11-05 | Control method and control system of power supply and electronic equipment of motor vehicle |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5483475B2 (en) * | 2011-09-13 | 2014-05-07 | オムロンオートモーティブエレクトロニクス株式会社 | Load control device |
| CN103187789B (en) * | 2011-12-30 | 2015-09-02 | 比亚迪股份有限公司 | Quick uninterruptible power system and control method thereof |
| EP2911908B1 (en) * | 2012-10-26 | 2016-08-31 | ABB Schweiz AG | Power distribution system for railbound vehicles using power electronic traction converter units and a switching module |
| CN104827909B (en) * | 2015-06-03 | 2017-01-04 | 浙江绍兴微视信息科技有限公司 | A kind of intellectualized management system of vehicle electronic device |
| KR20170014962A (en) * | 2015-07-31 | 2017-02-08 | 현대자동차주식회사 | Battery Management System for vehicle and controlling method thereof |
| JP6477670B2 (en) * | 2016-11-15 | 2019-03-06 | トヨタ自動車株式会社 | Power feeding system and vehicle |
| CN108551205B (en) * | 2018-04-24 | 2021-03-23 | 广州鲁邦通物联网科技有限公司 | Power saving method for ultra-low power consumption industrial Internet of things gateway, gateway and gateway system |
| CN116868477A (en) * | 2023-04-25 | 2023-10-10 | 广东逸动科技有限公司 | Tilting control circuit, tilting device, propeller, propulsion system and equipment |
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Owner name: SHAOXING NEW VISION INFORMATION + TECHNOLOGY CO., Free format text: FORMER OWNER: YANG YIPING Effective date: 20140208 Free format text: FORMER OWNER: ZHENG YAYU CHEN PENG Effective date: 20140208 |
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