CN101195346A - Vehicle mounted electric power monitoring method - Google Patents
Vehicle mounted electric power monitoring method Download PDFInfo
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- CN101195346A CN101195346A CN 200610164287 CN200610164287A CN101195346A CN 101195346 A CN101195346 A CN 101195346A CN 200610164287 CN200610164287 CN 200610164287 CN 200610164287 A CN200610164287 A CN 200610164287A CN 101195346 A CN101195346 A CN 101195346A
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Abstract
Provided is a monitoring method for vehicle power supplies, which is characterized in that the vehicle power supply comprises a main power supply and an emergency power supply which are provided for a vehicle application system. The steps of the monitoring method include that firstly, detecting whether the main power supply is stably operated or not and if the main power supply is operated stably, providing a switching unit for switching the main supply into an output power supply or switching the emergency power supply into the output power supply, then, providing a circuit protection unit for detecting the voltage of the main power supply, the voltage of emergency power supply and the current of the output power supply, and at least outputting one detection signal, finally, providing a control unit for controlling the on-off of the vehicle power supply and the vehicle application system according to the detection signals provided by the circuit protection unit, thereby the vehicle power supply is monitored, and the purposes of safety protection and full source preparation are achieved.
Description
Technical field
The present invention relates to a kind of method for monitoring power supply, particularly a kind of method for supervising that is used to comprise the vehicle power in different electrical power source.
Background technology
In recent years, because the fast development of auto electronic, make every vehicle-mounted peripheral product also constantly increase, yet no matter on vehicle computing machine or other each position onboard electrical products, all must provide running required power supply by vehicle power, therefore at the part of vehicle power, how having the consideration of each side such as stability, safety and applicability concurrently and developing design is an important ring.
At present known technology be mostly outside vehicle-mounted main power source again collocation design another power source supply end is arranged, or more further design mu balanced circuit and charge circuit are arranged and form similar uninterrupted power supply system (UPS), provide backup power to vehicle-mounted Related product to reach, but in this design, mu balanced circuit must be in opening incessantly, to reach when the primary source failure and the effect of backup power can in time be provided, and this also will increase the power consumption stream of uninterrupted power supply system, and reduces the overall performance of Vehicular power system indirectly.
In addition, in the consideration of safety, if adopt the application design of the auxiliary main power source of backup power (for example: above-mentioned uninterrupted power supply system), no matter be over voltage, excess current and short circuit at main power source or backup power, or even the load limitations of the over-charging of battery of backup power or suitable various vehicle-mounted Related products itself etc., the project of required abundant research in the time of all will being design.Therefore present Vehicular power system has its place of being improved again really, in the hope of except reaching the design that has stability, safety and applicability concurrently, more has preferable cost competitive edge.
Summary of the invention
In view of this, technical matters to be solved by this invention is, detect respectively and control at vehicle power, charge circuit and vehicular applications system, the main power source moment that makes that it can not only be in vehicle power was when losing efficacy, can in time provide backup power to supply vehicle-mounted application system, can also monitor the situation of each power supply and battery at any time and be carried out the control and the processing of related hardware unit, to reach safety precaution and the abundant purpose that is equipped with the source.
In order to address the above problem, according to scheme proposed by the invention, a kind of method for supervising of vehicle power is provided, it is characterized in that, described vehicle power comprises main power source and backup power to offer the vehicular applications system, and the step of this method for supervising comprises: at first, detect whether stable running of main power source, if the stable running of main power source, it is out-put supply that the switch unit switch mains power then is provided; Otherwise just change the cut-in stand-by power supply is out-put supply; then; provide circuit protection unit to detect voltage condition, the voltage condition of backup power and the current situation of out-put supply of main power source; and and then export few detection signal to; at last, provide control unit to control the keying of vehicle power and vehicular applications system according to the detection signal that circuit protection unit was provided.Thus, to reach the purpose that vehicle power is monitored.
According to method for supervising of the present invention, the current situation of described out-put supply is first testing circuit that provides by the described circuit protection unit unusual condition with testing circuit short circuit or excess current.
According to method for supervising of the present invention, the voltage condition of described main power source is whether second testing circuit that provides by described circuit protection unit surpasses first setting value with the voltage that detects described main power source.
According to method for supervising of the present invention, the voltage condition of described backup power is whether the three testing circuit that provides by described circuit protection unit is lower than second setting value or has filled full with the voltage that detects described backup power.
According to method for supervising of the present invention, the voltage of described backup power is if be lower than described second setting value, and then described control unit is just controlled the caution unit and needed electrically-charged alarm signal to produce.
According to method for supervising of the present invention; whether the running of described main power source is that the 4th testing circuit that provides by described circuit protection unit is to detect; when if the described main power source of detection is operating state; it is described out-put supply that then described switch unit switches described main power source, and described the 4th testing circuit can be controlled charge circuit so that described backup power is charged.
According to method for supervising of the present invention, described the 4th testing circuit is the state of decommissioning if detect described main power source, it is described out-put supply that then described switch unit switches described backup power, and produce described detection signal, and after reaching setting-up time, close described switch unit so that described control unit notifies described vehicular applications system to carry out shutdown programm.
Above general introduction and ensuing detailed description and accompanying drawing all are to reach mode, means and the effect that predetermined purpose is taked in order to further specify the present invention.And about other purposes of the present invention and advantage, will in follow-up explanation and accompanying drawing, be set forth.
Description of drawings
Fig. 1 is the embodiment diagram of block of the control monitor unit of vehicle power of the present invention;
Fig. 2 is the embodiment diagram of circuit of the method for supervising of vehicle power of the present invention.
Wherein, description of reference numerals is as follows:
Control monitor unit 1
Switch unit 10
Vehicle power 2
Circuit protection unit 20
Main power source 21
Backup power 22
First testing circuit 201
Second testing circuit 202
Three testing circuit 203
The 4th testing circuit 204
Vehicular applications system 3
Charge circuit 30
Control unit 40
Signalisation unit 50
Caution unit 60
Filter unit 70
The specific embodiment
Please refer to Fig. 1, it is the embodiment diagram of block of the control monitor unit of vehicle power of the present invention, as shown in the figure, the invention provides a kind of control monitor unit 1, it is electrically connected between vehicle power 2 and the vehicular applications system 3, and vehicle power 2 provides main power source 21 and backup power 22 to operate required to vehicular applications system 3.This control monitor unit 1 comprises: switch unit 10, circuit protection unit 20, charge circuit 30, control unit 40, signalisation unit 50, caution unit 60 and filter unit 70.Wherein switch unit 10 is exported out-put supply in order to one of them of switch mains power 21 and backup power 22 and is given vehicular applications system 3, and switch unit 10 default switch mains power 21 are out-put supply, and when main power source 21 supply instabilities or inefficacy, the backup power 22 that then automaticallyes switch is out-put supply.In addition, backup power 22 charges by charge circuit 30.
And circuit protection unit 20 is used for detecting main power source 21, the situation of backup power 22 and out-put supply and export a plurality of detection signals, wherein circuit protection unit 20 may further include: first testing circuit 201, second testing circuit 202, three testing circuit 203 and the 4th testing circuit 204, first testing circuit 201 is electrically connected switch unit 10, unusual condition with the electric current that detects out-put supply, closed switch unit 10 and produce detection signal further to make control unit 40, wherein the unusual condition of the electric current of this out-put supply can be the unusual condition that takes place of short circuit or excess current for example, and the output of closing switch unit 10 blocking-up main power sources 21 and backup power 22 then can avoid all elements in the control monitor unit 1 because of bearing the situation that the super-high-current quilt is burnt; In addition, second testing circuit 202 is electrically connected main power source 21 by filter unit 70, can produce detection signal with the voltage that detects main power source 21 when surpassing first setting value and make control unit 40 be closed switch unit 10 equally.And above-mentioned first testing circuit 201 and second testing circuit 202 need only any one generation detection signal, and control unit 40 just can be closed switch unit 10.
Then, three testing circuit 203 is electrically connected backup power 22, and can further comprise: low-voltage detection circuit and full voltage testing circuit (not shown), whether this low-voltage detection circuit is lower than second setting value to produce this detection signal in order to the voltage that detects backup power 22; Whether this full voltage testing circuit has then expired state in order to the voltage that detects backup power 22; Moreover, the 4th testing circuit 204 is electrically connected main power source 21, whether control the keying of charge circuit 30 with the running that detects main power source 21, and the running that the design of the 4th testing circuit 204 is judged main power source 21 by the main power source that startup is opened 21 of vehicle-mounted engine whether.In addition, control unit 40 can be further according to the full charge closing circuit 30 of controlling of voltage of this backup power 22, and have the higher control of charge circuit 30 than the 4th testing circuit 204.
Moreover, signalisation unit 50 can adopt built-in or external mode to connect control unit 40 on actual design, and present embodiment adopts external mode to illustrate for convenience of description, signalisation unit 50 is used for notifying vehicular applications system 3 to carry out shutdown programm by control unit 40, and control unit 40 carries out shutdown programm with notice vehicular applications system 3 when can be for example detecting main power sources 21 and decommission according to the 4th testing circuit 204, and closes switch unit 10 after surpassing setting-up time; Control unit 40 voltage that also can be for example detects backup power 22 according to three testing circuit 203 is lower than this second setting value and notifies vehicular applications system 3 to carry out shutdown programm in addition, and the control generation needs electrically-charged alarm signal, and then after surpassing setting-up time, close switch unit 10, reduce the situation that decommissions and too consume backup power 22 down at main power source 21 thus, and can stop the output of each power supply fully.And caution unit 60 is electrically connected control unit 40, when making control unit 40 be able to voltage according to backup power that three testing circuit 203 detects 22 to be lower than this second setting value and controlled to produce and need electrically-charged alarm signal, wherein warning unit 60 can be, for example light-emittingdiode, read out instrument or loudspeaker arrangement etc.And filter unit 70 is electrically connected main power sources 21, in order to filtering main power source 21 when the vehicle-mounted engine running disturbed noise, produce the situation that mistake is surveyed to avoid each testing circuit in the circuit protection unit 20 because of noise jamming.
Therefore, control unit 40 is controlled the keying of switch unit 10, charge circuit 30 and vehicular applications system 3 according to the above-mentioned detection signal that each testing circuit produced, and makes main power source 21 and backup power 22 in the vehicle power 2 obtain preferable management.
Please refer to Fig. 2, it is the embodiment diagram of circuit of the method for supervising of vehicle power of the present invention, as shown in the figure, the invention provides a kind of method for supervising of vehicle power 2, vehicle power 2 comprises main power source 21 and backup power 22 to offer vehicular applications system 3, the step of this method for supervising comprises: at first, detect main power source 21 and whether operate (S201), wherein the running of main power source 21 represents that main power source 21 there is no the situation of voltage dip or inefficacy, if main power source 21 is in the state of running, is out-put supply (S203) by switch unit 10 switch mains power 21 then; Otherwise when being the situation that decommissions as if main power source 21, just cut-in stand-by power supply 22 is out-put supply (S205).
And afterwards in step (S203) or step (S205); the voltage condition of current situation, main power source 21 and the backup power 22 of circuit protection unit 20 to detect out-put supply is provided again; and export at least one detection signal (S207), and then provide control unit 40 that the keying (S209) of vehicle power 2 and vehicular applications system 3 is provided with the detection signal that is provided according to circuit protection unit 20 again.Wherein, the electric current of this out-put supply can be, for example first testing circuit, the 201 testing circuit short circuits that provided by circuit protection unit 20 or the unusual condition of excess current; The voltage condition of main power source 21 can, for example whether the voltage that detects main power sources 21 by second testing circuit 202 surpasses first setting value; Whether the voltage condition of backup power 22 then is lower than second setting value or full for filling by the voltage that three testing circuit 203 detects backup power 22.And in above-mentioned, when if the voltage of backup power 22 is lower than second setting value, then control unit 40 not only can notify vehicular applications system 3 to carry out shutdown programm, and control caution unit 60 produces and needs electrically-charged alarm signal, also closes switch unit 10 to stop the output of power supply fully after waiting for setting-up time.
In addition, in the step (S201), the running of main power source 21 whether can, for example whether come to be judged with the startup that detects vehicle-mounted engine by the 4th testing circuit 204, and in main power source 21 runnings, the 4th testing circuit 204 can be controlled charge circuit 30 so that backup power 22 is charged; Opposite, if the 4th detecting unit 204 detects main power sources 21 when decommissioning state, just can notify vehicular applications system 3 to carry out shutdown programm, and behind the wait setting-up time, close switch unit 10.And in method for supervising of the present invention; as long as during wherein any one testing circuit generation detection signal of foregoing circuit protected location 20; control unit 40 just can be controlled the relevant hardware cell or the keying of device according to detection signal; with when any abnormal case takes place, the effect that can carry out the strain protection immediately or handle.
In sum, the present invention can not only in time provide backup power 22 supplies vehicle-mounted application system 3 when the main power source in the vehicle power 2 21 lost efficacy, and can monitor the situation of each power supply and its battery at any time and controlled and handle, to reach safety precaution and the purpose that fully is equipped with the source, can slow down the wastage rate and advantages such as the stability that increases vehicular applications system 3, minimizing fault rate of the used battery of each power supply in addition.
But, the above, only be the detailed description and the accompanying drawing of specific embodiments of the invention, be not in order to restriction the present invention, all scopes of the present invention should be as the criterion with following claim, any those skilled in the art, the variation that can expect easily or revise can be encompassed in the claim that following this case defines.
Claims (7)
1. the method for supervising of a vehicle power is characterized in that, described vehicle power comprises main power source and backup power to offer the vehicular applications system, and the step of described method for supervising comprises:
Whether detect described main power source operates;
Provide switch unit to provide out-put supply to described vehicular applications system with one of them that switch described main power source and described backup power;
The voltage condition of current situation, described main power source and the described backup power of circuit protection unit to detect described out-put supply is provided, and exports at least one detection signal; And
Provide control unit to control the keying of described vehicle power and described vehicular applications system according to the described detection signal that described circuit protection unit was provided.
2. method for supervising as claimed in claim 1 is characterized in that, the current situation of described out-put supply is first testing circuit that provides by the described circuit protection unit unusual condition with testing circuit short circuit or excess current.
3. method for supervising as claimed in claim 1 is characterized in that, the voltage condition of described main power source is whether second testing circuit that provides by described circuit protection unit surpasses first setting value with the voltage that detects described main power source.
4. method for supervising as claimed in claim 1 is characterized in that, the voltage condition of described backup power is whether the three testing circuit that provides by described circuit protection unit is lower than second setting value or has filled full with the voltage that detects described backup power.
5. method for supervising as claimed in claim 4 is characterized in that, the voltage of described backup power is if be lower than described second setting value, and then described control unit is just controlled the caution unit and needed electrically-charged alarm signal to produce.
6. method for supervising as claimed in claim 1; it is characterized in that; whether the running of described main power source is that the 4th testing circuit that provides by described circuit protection unit is to detect; when if the described main power source of detection is operating state; it is described out-put supply that then described switch unit switches described main power source, and described the 4th testing circuit can be controlled charge circuit so that described backup power is charged.
7. method for supervising as claimed in claim 6, it is characterized in that, described the 4th testing circuit is the state of decommissioning if detect described main power source, it is described out-put supply that then described switch unit switches described backup power, and produce described detection signal, and after reaching setting-up time, close described switch unit so that described control unit notifies described vehicular applications system to carry out shutdown programm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610164287 CN101195346A (en) | 2006-12-08 | 2006-12-08 | Vehicle mounted electric power monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610164287 CN101195346A (en) | 2006-12-08 | 2006-12-08 | Vehicle mounted electric power monitoring method |
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| CN101195346A true CN101195346A (en) | 2008-06-11 |
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| CN 200610164287 Pending CN101195346A (en) | 2006-12-08 | 2006-12-08 | Vehicle mounted electric power monitoring method |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888114A (en) * | 2010-07-14 | 2010-11-17 | 朱光怀 | Multifunctional power supply of vehicular automotive electronic device |
| CN102005810A (en) * | 2010-11-26 | 2011-04-06 | 刘卉 | System and method for vehicle power supply, power source, installation device and power adapter |
| CN103019759A (en) * | 2011-09-22 | 2013-04-03 | 现代自动车株式会社 | Vehicle upgrade system and method thereof |
| CN103887776A (en) * | 2014-03-28 | 2014-06-25 | 国家电网公司 | Protective device defect eliminating coordination instrument without circuit power outage |
| CN104218655A (en) * | 2014-08-25 | 2014-12-17 | 长兴飞扬动力能源科技有限公司 | Electric motor control system of dual-power electric bike |
| CN104578325A (en) * | 2015-02-05 | 2015-04-29 | 郑伟雄 | Electric vehicle charging system and application method thereof |
| CN104836984A (en) * | 2014-07-16 | 2015-08-12 | 北汽福田汽车股份有限公司 | Vehicle monitoring method, device and system |
| CN104953641A (en) * | 2014-03-24 | 2015-09-30 | 施耐德电器工业公司 | A monitoring device comprising a management of battery discharge and method of battery discharge management |
| CN105186675A (en) * | 2015-07-20 | 2015-12-23 | 株洲中车电力机车配件有限公司 | Emergency power source system for electric locomotive |
| CN105488880A (en) * | 2015-11-25 | 2016-04-13 | 安徽先锋门业科技有限公司 | Security door locking-prevention method |
| CN105730375A (en) * | 2016-01-28 | 2016-07-06 | 叶少甘 | Vehicle-mounted load power supply control system |
| CN106026371A (en) * | 2016-07-28 | 2016-10-12 | 江苏科能电源有限公司 | Lead acid battery charging method |
| CN106338698A (en) * | 2016-08-28 | 2017-01-18 | 广西小草信息产业有限责任公司 | Computer power supply fault detection system |
| CN107757373A (en) * | 2017-09-20 | 2018-03-06 | 北京长城华冠汽车科技股份有限公司 | Automobile power system and electric automobile |
| CN109525641A (en) * | 2018-10-18 | 2019-03-26 | 北京长城华冠汽车技术开发有限公司 | A kind of vehicle mounted communication module method and computer-readable medium |
| CN109660152A (en) * | 2017-08-22 | 2019-04-19 | 南京顿恩电气有限公司 | A kind of highly reliable interpolation type Permanent Magnet Synchronous Motor Controller of low cost |
| CN110050197A (en) * | 2016-12-09 | 2019-07-23 | 三星Sdi株式会社 | Power evaluation equipment |
| CN110389301A (en) * | 2019-08-06 | 2019-10-29 | 宁波吉欧光电科技有限公司 | A kind of vehicle power supply monitoring device |
| CN113264330A (en) * | 2020-01-30 | 2021-08-17 | 台湾积体电路制造股份有限公司 | Overhead transport vehicle and method of transporting emergency products |
| CN113777993A (en) * | 2021-09-17 | 2021-12-10 | 青海高景太阳能科技有限公司 | Centralized control device based on ZigBee-IoT |
-
2006
- 2006-12-08 CN CN 200610164287 patent/CN101195346A/en active Pending
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888114A (en) * | 2010-07-14 | 2010-11-17 | 朱光怀 | Multifunctional power supply of vehicular automotive electronic device |
| CN101888114B (en) * | 2010-07-14 | 2013-03-27 | 朱光怀 | Multifunctional power supply of vehicular automotive electronic device |
| CN102005810A (en) * | 2010-11-26 | 2011-04-06 | 刘卉 | System and method for vehicle power supply, power source, installation device and power adapter |
| CN103019759A (en) * | 2011-09-22 | 2013-04-03 | 现代自动车株式会社 | Vehicle upgrade system and method thereof |
| CN103019759B (en) * | 2011-09-22 | 2018-07-03 | 现代自动车株式会社 | Vehicle replacement system and method |
| CN104953641A (en) * | 2014-03-24 | 2015-09-30 | 施耐德电器工业公司 | A monitoring device comprising a management of battery discharge and method of battery discharge management |
| CN104953641B (en) * | 2014-03-24 | 2019-03-01 | 施耐德电器工业公司 | Monitoring device and battery discharge management method including battery discharge management |
| CN103887776A (en) * | 2014-03-28 | 2014-06-25 | 国家电网公司 | Protective device defect eliminating coordination instrument without circuit power outage |
| CN104836984A (en) * | 2014-07-16 | 2015-08-12 | 北汽福田汽车股份有限公司 | Vehicle monitoring method, device and system |
| CN104218655A (en) * | 2014-08-25 | 2014-12-17 | 长兴飞扬动力能源科技有限公司 | Electric motor control system of dual-power electric bike |
| CN104578325A (en) * | 2015-02-05 | 2015-04-29 | 郑伟雄 | Electric vehicle charging system and application method thereof |
| CN105186675A (en) * | 2015-07-20 | 2015-12-23 | 株洲中车电力机车配件有限公司 | Emergency power source system for electric locomotive |
| CN105488880A (en) * | 2015-11-25 | 2016-04-13 | 安徽先锋门业科技有限公司 | Security door locking-prevention method |
| CN105488880B (en) * | 2015-11-25 | 2019-09-17 | 安徽先锋门业科技有限公司 | A kind of security door anti-locking method |
| CN105730375A (en) * | 2016-01-28 | 2016-07-06 | 叶少甘 | Vehicle-mounted load power supply control system |
| CN106026371A (en) * | 2016-07-28 | 2016-10-12 | 江苏科能电源有限公司 | Lead acid battery charging method |
| CN106026371B (en) * | 2016-07-28 | 2018-11-27 | 江苏科能电源有限公司 | The charging method of lead-acid battery |
| CN106338698A (en) * | 2016-08-28 | 2017-01-18 | 广西小草信息产业有限责任公司 | Computer power supply fault detection system |
| CN110050197A (en) * | 2016-12-09 | 2019-07-23 | 三星Sdi株式会社 | Power evaluation equipment |
| CN110050197B (en) * | 2016-12-09 | 2022-06-17 | 三星Sdi株式会社 | Power supply evaluation apparatus |
| CN109660152A (en) * | 2017-08-22 | 2019-04-19 | 南京顿恩电气有限公司 | A kind of highly reliable interpolation type Permanent Magnet Synchronous Motor Controller of low cost |
| CN107757373A (en) * | 2017-09-20 | 2018-03-06 | 北京长城华冠汽车科技股份有限公司 | Automobile power system and electric automobile |
| CN109525641A (en) * | 2018-10-18 | 2019-03-26 | 北京长城华冠汽车技术开发有限公司 | A kind of vehicle mounted communication module method and computer-readable medium |
| CN110389301A (en) * | 2019-08-06 | 2019-10-29 | 宁波吉欧光电科技有限公司 | A kind of vehicle power supply monitoring device |
| CN113264330A (en) * | 2020-01-30 | 2021-08-17 | 台湾积体电路制造股份有限公司 | Overhead transport vehicle and method of transporting emergency products |
| CN113264330B (en) * | 2020-01-30 | 2023-02-28 | 台湾积体电路制造股份有限公司 | Overhead transport vehicle and method of transporting emergency products |
| CN113777993A (en) * | 2021-09-17 | 2021-12-10 | 青海高景太阳能科技有限公司 | Centralized control device based on ZigBee-IoT |
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Open date: 20080611 |