CN202063095U - Automatic control device for vehicle-mounted computer - Google Patents
Automatic control device for vehicle-mounted computer Download PDFInfo
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- CN202063095U CN202063095U CN2011200676779U CN201120067677U CN202063095U CN 202063095 U CN202063095 U CN 202063095U CN 2011200676779 U CN2011200676779 U CN 2011200676779U CN 201120067677 U CN201120067677 U CN 201120067677U CN 202063095 U CN202063095 U CN 202063095U
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- vehicle
- mounted computer
- power supply
- control device
- control unit
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Abstract
The utility model provides an automatic control device for a vehicle-mounted computer, which comprises the following components: a vehicular igniting mechanism, and a power supply exchange unit which is respectively connected with an outer power supply and a motherboard of the vehicle-mounted computer electrically. Furthermore the automatic control device for the vehicle-mounted computer comprises a MCU control unit and an electronic simulation switch. The MCU control unit is respectively connected with an ignition mechanism, the power supply exchange unit and the electronic simulation switch. The electronic simulation switch is connected between a fourth PIN and a sixth PIN of a 9-PIN serial port COM of the motherboard of the vehicle-mounted computer. The automatic control device for the vehicle-mounted computer is advantageous in that: the automatic control device for the vehicle-mounted computer can ensure that the MCU control unit realizes soft switch for the vehicle-mounted switch, and furthermore ensures no restarting phenomenon of the vehicle-mounted computer in ignition or acceleration process of the vehicle, for preventing frequency computer switching-on and shutdown thereby effectively preventing temporary data loss; hand operation is not required so the switching-on and shutdown of the vehicle-mounted computer are facilitated.
Description
Technical field
The utility model relates to a kind of device of controlling computer switching on and shutting down, specifically is a kind of automatic control device that is used for vehicle-mounted computer.
Background technology
At present, the control method of common vehicle-mounted computer switching on and shutting down is: during start, at first opening power is promptly opened the input source switch, then presses vehicle-mounted computer host switch button, opens the switch on the telltale then, vehicle-mounted computer system startup work this moment; During shutdown, can come bolt down procedure or press vehicle-mounted computer host switch button and come forced shutdown by WINDOWS operating system soft-off, thereby vehicle-mounted computer system is quit work, close telltale then, at last PTO Power Take Off again.Aforesaid operations substantially all is by manual operations as clicks the mouse or press button and finish, and the switch on described input source switch, vehicle-mounted computer host switch and the telltale generally all is a mechanical switch; In addition, the on off state of described vehicle-mounted computer host switch is a normally open, the moment of only pressing vehicle-mounted computer host switch button just is on-state, can under the effect of spring force, flick and recover open circuited state and unclamp behind the hand vehicle-mounted computer host switch button, in other words, external power supply is for after coming, as long as the user clicks vehicle-mounted computer host switch button, the vehicle-mounted computer main frame will start and make system works, as will shut down the time, available WINDOWS operating system soft-off or press vehicle-mounted computer host switch button forced shutdown.
In this case, at present the key of vehicle-mounted computer host switch is to need switching on and shutting down transient signals, and the position of receiving key machine transient signal is generally 4PIN example and the 6PIN of 9PIN serial ports COM1 on the vehicle-mounted computer motherboard.
There are following three defectives in actual applications in the control method of above-mentioned vehicle-mounted computer switching on and shutting down:
1, makes the vehicle-mounted computer sudden power owing to automobile can stop working suddenly in the process of moving, thereby cause losing of ephemeral data in the vehicle-mounted computer easily;
2, in automotive ignition or accelerator, vehicle-mounted computer is restarted phenomenon easily, and frequent switching on and shutting down not only cause losing of ephemeral data easily, but also can damage the hardware of vehicle-mounted computer, thereby influence the service life of vehicle-mounted computer;
3, mostly the operation owing to the vehicle-mounted computer switching on and shutting down is by manual operations, thereby makes the switching on and shutting down of vehicle-mounted computer seem comparatively loaded down with trivial details.
Summary of the invention
The utility model provides a kind of switching on and shutting down simple, to the hardware zero damage, can not cause ephemeral data to lose, and can prolong the automatic control device of the vehicle-mounted computer switching on and shutting down in vehicle-mounted computer service life.
The technical solution adopted in the utility model is: a kind of automatic control device that is used for vehicle-mounted computer, comprise automotive ignition mechanism and the power supply crosspoint that is electrically connected with external power supply and vehicle-mounted computer motherboard respectively, also comprise a MCU control unit and an electronic analog swtich; Described MCU control unit is connected with ignition mechanism, power supply crosspoint and electronic analog swtich respectively; Described electronic analog swtich is connected between the 4PIN and 6PIN of vehicle-mounted computer motherboard 9PIN serial ports COM1.
After adopting above structure, compared with prior art, the utlity model has following advantage: with at present mainly by vehicle-mounted computer WINDOWS operating system soft-off or press vehicle-mounted computer host switch button and provide the switching on and shutting down transient signal different to the vehicle-mounted computer mainboard, the utility model provides the switching on and shutting down transient signal to the vehicle-mounted computer mainboard by electronic analog swtich, and when electronic analog swtich provides the switching on and shutting down transient signal is to be controlled by the MCU control unit, because automotive ignition mechanism is connected with the MCU control unit, therefore, when igniting of automotive ignition mechanism or closing automobile ignition mechanism, automotive ignition mechanism all can give from signal of MCU control unit, thereby whether the work that makes MCU control unit control power supply crosspoint reaches in automotive ignition mechanism order power supply crosspoint delay working when flame-out, for above-mentioned reasons, therefore, the utility model can guarantee that not only the MCU control unit is by the soft switch of electronic analog swtich realization to vehicle-mounted computer, and can make vehicle-mounted computer in automotive ignition or accelerator, not restart phenomenon, avoid frequent switching on and shutting down, thereby effectively prevent losing of ephemeral data; In addition, because realization of the present utility model is automatic guidance fully, it need not manual operations, thereby makes the switching on and shutting down of vehicle-mounted computer seem fairly simple.
Description of drawings
Fig. 1, the principle of work block scheme of vehicle-mounted computer automatic control device.
Among the figure, 1, automotive ignition mechanism, 2, external power supply, 3, the vehicle-mounted computer motherboard, 4, the power supply crosspoint, 5, the MCU control unit, 6, electronic analog swtich.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in drawings, the utility model comprises automotive ignition mechanism 1, the power supply crosspoint 4, MCU control unit 5 and the electronic analog swtich 6 that are electrically connected with external power supply 2 and vehicle-mounted computer motherboard 3 respectively.
Described control unit 5 is connected with automotive ignition mechanism 1, power supply crosspoint 4 and electronic analog swtich 6 respectively; Described electronic analog swtich 6 is connected between the 4PIN and 6PIN of 9PIN example serial ports COM1 on the vehicle-mounted computer motherboard 3.In the utility model, described power supply crosspoint 4 is vehicle-mounted computer ATX power supply.
Principle of work of the present utility model is: when the automobile key ignition trigger, automotive ignition mechanism 1 can pass to MCU control unit 5 with ignition signal, the voltage at 5 pairs of automotive ignition mechanism 1 places of described MCU control unit is judged, if the voltage at automotive ignition mechanism 1 place just often, 4 work of MCU control unit 5 order power supply crosspoints, MCU control unit 5 detect power supply crosspoint 4 working properly after, send starting-up signal by MCU control unit 5 to electronic analog swtich 6, at this moment, electronic analog swtich 6 can send a switching on and shutting down transient signal and give vehicle-mounted computer motherboard 3, thereby makes vehicle-mounted computer motherboard 3 energized;
When automobile key is closed igniting, automotive ignition mechanism 1 can will close ignition signal and pass to MCU control unit 5,5 control power supply 4 delay working a period of times of crosspoint of MCU control unit, simultaneously send off signal to electronic analog swtich 6 by MCU control unit 5, thereby make electronic analog swtich 6 send a switching on and shutting down transient signal again and give vehicle-mounted computer motherboard 3, thereby make 3 shutdown of vehicle-mounted computer motherboard, quit work by MCU control unit 5 order power supply crosspoints 4 more at last.
It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, it will be understood by those of skill in the art that still and can make amendment or be equal to replacement the utility model although this specification sheets has been described in detail the utility model with reference to each above-mentioned embodiment; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the claim scope of the present utility model.
Claims (2)
1. an automatic control device that is used for vehicle-mounted computer comprises automotive ignition mechanism and the power supply crosspoint that is electrically connected with external power supply and vehicle-mounted computer motherboard respectively, it is characterized in that: also comprise a MCU control unit and an electronic analog swtich; Described MCU control unit is connected with ignition mechanism, power supply crosspoint and electronic analog swtich respectively; Described electronic analog swtich is connected between the 4PIN and 6PIN of vehicle-mounted computer motherboard 9PIN serial ports COM1.
2. a kind of automatic control device that is used for vehicle-mounted computer according to claim 1 is characterized in that: described power supply crosspoint is a vehicle-mounted computer ATX power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200676779U CN202063095U (en) | 2011-03-15 | 2011-03-15 | Automatic control device for vehicle-mounted computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200676779U CN202063095U (en) | 2011-03-15 | 2011-03-15 | Automatic control device for vehicle-mounted computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202063095U true CN202063095U (en) | 2011-12-07 |
Family
ID=45056969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200676779U Expired - Fee Related CN202063095U (en) | 2011-03-15 | 2011-03-15 | Automatic control device for vehicle-mounted computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202063095U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092313A (en) * | 2013-01-31 | 2013-05-08 | 四川省绵阳西南自动化研究所 | Power management device used for computer equipment in vehicle electronic system |
| CN104071101A (en) * | 2013-03-26 | 2014-10-01 | 佛山市顺德区顺达电脑厂有限公司 | Ignition power-cut-free voltage stabilizer for vehicle-mounted equipment |
| CN107180614A (en) * | 2017-06-26 | 2017-09-19 | 奇瑞汽车股份有限公司 | Vehicle-carrying display screen automatic recovery system, control method and back of the body optical detection circuit |
-
2011
- 2011-03-15 CN CN2011200676779U patent/CN202063095U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092313A (en) * | 2013-01-31 | 2013-05-08 | 四川省绵阳西南自动化研究所 | Power management device used for computer equipment in vehicle electronic system |
| CN103092313B (en) * | 2013-01-31 | 2015-09-23 | 四川省绵阳西南自动化研究所 | A kind of electric power controller for in-vehicle electronic system Computer equipment |
| CN104071101A (en) * | 2013-03-26 | 2014-10-01 | 佛山市顺德区顺达电脑厂有限公司 | Ignition power-cut-free voltage stabilizer for vehicle-mounted equipment |
| CN107180614A (en) * | 2017-06-26 | 2017-09-19 | 奇瑞汽车股份有限公司 | Vehicle-carrying display screen automatic recovery system, control method and back of the body optical detection circuit |
| CN107180614B (en) * | 2017-06-26 | 2019-10-11 | 奇瑞汽车股份有限公司 | Vehicle-carrying display screen automatic recovery system, control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CHEYILE ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN CHELE DIGITAL TECHNOLOGY CO., LTD. Effective date: 20120613 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120613 Address after: 518109, Guangdong Province, Shenzhen City, Baoan District province big wave Street wave River pit Industrial Park Le Industrial Park Patentee after: Shenzhen car happy Electronic Technology Co., Ltd. Address before: 518109, Guangdong Province, Shenzhen City, Baoan District province big wave Street wave River pit Industrial Park Le Industrial Park Patentee before: Shenzhen Chele Digital Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20160315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |