CN202103936U - Vehicle-mounted circuit board - Google Patents
Vehicle-mounted circuit board Download PDFInfo
- Publication number
- CN202103936U CN202103936U CN2011202117793U CN201120211779U CN202103936U CN 202103936 U CN202103936 U CN 202103936U CN 2011202117793 U CN2011202117793 U CN 2011202117793U CN 201120211779 U CN201120211779 U CN 201120211779U CN 202103936 U CN202103936 U CN 202103936U
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- China
- Prior art keywords
- connector
- mainboard
- daughter board
- car machine
- circuit plate
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- 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
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model discloses a vehicle-mounted circuit board. The vehicle-mounted circuit board comprises a mother board and a daughter board, wherein, a minimum control circuit is arranged on the daughter board; peripheral functional circuits are arranged on the mother board; and the daughter board is arranged on the mother board in a detachable manner and electrically connected with the mother board. The vehicle-mounted circuit board has the advantages of short period of research and development, and high transfer ability and working performance.
Description
Technical field
The utility model relates to the vehicle GPS technical field, relates in particular to a kind of car machine circuit plate that is used for vehicle GPS.
Background technology
So-called vehicle-mounted, be meant the product that can on automobile or similar Move tool, use certainly, conveniently move middle use at automobile; Everybody is modal to be vehicle GPS, on-board multimedia device, vehicle-mounted hard disks machine, vehicle power, car refrigerator; Vehicle-mounted massager, vehicle-mounted computer, in-car TV etc.Wherein, vehicle GPS is GPS positioning system terminal of making through hardware and software and the device that is used for vehicle location.Because vehicle GPS has the vehicle tracking function, provide that the walking along the street wire gauge is drawn and navigation feature, information searching function and traffic command function etc., therefore is widely used in the Vehicular system.
Existing vehicle GPS mainly comprises casing, is located at the control circuit in the said casing and is located at the outer display screen of said casing; Said control circuit is integrated on the car machine mainboard; Said display screen is electrically connected with said control circuit; Said control circuit is the control centre of said vehicle GPS, through said control circuit can realize said vehicle GPS vehicle tracking, provide that the walking along the street wire gauge is drawn and each item functions such as navigation, information inquiry and traffic commander.Because also can there be difference in different vehicle GPS products on its function, the composition of the control circuit in the therefore different vehicle GPS products is different.In the prior art; Said control circuit is made up of minimum control circuit and peripheral function circuit; Said minimum control circuit is the necessary minimum control system of each vehicle GPS product; Said peripheral function circuit is that each vehicle GPS product is realized the needed operational module of difference in functionality, and the vehicle GPS product can be realized different functions through different peripheral function circuit is set.Owing in the R&D process of existing vehicle GPS product, research and develop different vehicle GPS products, all need on a car machine mainboard, minimum control circuit and peripheral function circuit be set, therefore cause the R&D cycle portability long and car machine mainboard of product poor; In addition, minimum control circuit and peripheral function circuit are located on the same car machine mainboard, minimum control circuit can cause interference to peripheral functional circuit, thereby influences the service behaviour of said vehicle GPS product.
Therefore, be necessary to provide a kind of follow-on car machine circuit plate to overcome above-mentioned defective.
The utility model content
The purpose of the utility model provides short, the portable strong and high car machine circuit plate of service behaviour of a kind of R&D cycle.
To achieve these goals; The utility model provides a kind of car machine circuit plate, comprises mainboard and daughter board, and said daughter board is provided with minimum control circuit; Said mainboard is provided with the peripheral function circuit, and said daughter board is installed on the said mainboard and with said mainboard detachablely and is electrically connected.
Preferably; Said minimum control circuit comprises CPU control unit, memory cell, FLASH unit and display screen driver element; Said display screen driver element is connected the display screen of vehicle GPS with said CPU control unit; Said CPU control unit reads the command information in the said memory cell and sends control command and give said FLASH unit and display screen driver element, thereby the FLASH file of controlling in the said FLASH unit is play on said display screen.
Preferably, said memory cell be double digit rate synchronous DRAM (Double Data Rate, DDR).
Preferably; Also comprise coupling assembling; Said coupling assembling comprises first connector and second connector that matees with said first connector, and said first connector is located on the said mainboard, and said second connector is located on the said daughter board; Said second connector is connected with said first connector detachablely, thereby said daughter board is installed on the said mainboard detachablely.
Preferably, said coupling assembling is an electric connector, and said first connector is gang socket, and said second connector is attachment plug, and said attachment plug is plugged in the said gang socket detachablely.More preferably; Said coupling assembling also comprises fixed leg and screw; Said fixed leg is located on the said mainboard and on the said fixed leg and is offered fixing hole, and said fixing hole has internal thread, and said screw passes said daughter board and is connected with said fixing hole detachablely.
Preferably, said first connector is a fixed leg, and said fixed leg offers fixing hole, and said fixing hole has and do not have screw thread, and said second connector is a screw, and said screw passes said daughter board and is connected with said fixing hole detachablely.
Compared with prior art, the utility model car machine circuit plate comprises mainboard and daughter board, and said daughter board is provided with minimum control circuit; Said mainboard is provided with the peripheral function circuit; Because said daughter board is installed on the said mainboard and with said mainboard and is electrically connected detachablely, therefore in the different vehicle GPS products of research and development, can directly said daughter board be cooperated with different mainboards; Need not on different mainboards, to arrange in addition minimum control circuit; Thereby make that the R&D cycle of vehicle GPS product is short, simultaneously, have car machine circuit plate portable strong of detachable structure; In addition,, therefore avoided the minimum control circuit on the said daughter board that the peripheral function circuit on the said mainboard is caused interference, thereby made that the service behaviour of vehicle GPS product is high because said daughter board and said mainboard independently are provided with.
Through following description and combine accompanying drawing, it is more clear that the utility model will become, and these accompanying drawings are used to explain the embodiment of the utility model.
Description of drawings
Fig. 1 is the structural representation of car machine circuit plate in specific embodiment of the utility model.
Fig. 2 is the STRUCTURE DECOMPOSITION figure of car machine circuit plate shown in Figure 1.
Fig. 3 is the fundamental diagram of the minimum control circuit of car machine circuit plate shown in Figure 1.
Fig. 4 is the structural representation of car machine circuit plate in another specific embodiment of the utility model.
Fig. 5 is the STRUCTURE DECOMPOSITION figure of car machine circuit plate shown in Figure 4.
Fig. 6 is the structural representation of car machine circuit plate in another specific embodiment of the utility model.
Fig. 7 is the STRUCTURE DECOMPOSITION figure of car machine circuit plate shown in Figure 6.
Embodiment
With reference now to accompanying drawing, describe the embodiment of the utility model, the similar elements label is represented similar elements in the accompanying drawing.As stated, the utility model provides short, the portable strong and high car machine circuit plate of service behaviour of a kind of R&D cycle.
With reference to figure 1-3; Said car machine circuit plate 1 comprises mainboard 10 and daughter board 20; Said daughter board 20 is provided with minimum control circuit 21, and said mainboard 10 is provided with peripheral function circuit 11, and said daughter board 20 is installed on the said mainboard 10 and with said mainboard 10 detachablely and is electrically connected.Said minimum control circuit 21 comprises CPU control unit 211, memory cell 212, FLASH unit 213 and display screen driver element 214; Said display screen driver element 214 is connected the display screen 30 of vehicle GPS with said CPU control unit 211; Said CPU control unit 211 reads the command information in the said memory cell 212 and sends control command and give said FLASH unit 213 and display screen driver element 214, thereby the FLASH file of controlling in the said FLASH unit 213 is play on said display screen 30.Particularly, said memory cell 212 is DDR, and alternatively, said memory cell 212 also can be realized by other suitable storage devices.
With reference to Fig. 1-2, in a specific embodiment of the utility model, said car machine circuit plate 1 also comprises coupling assembling 40, and said coupling assembling 40 comprises first connector 41 and second connector 42 that matees with said first connector 41.Particularly; Said coupling assembling 40 is an electric connector, and said first connector 41 is gang socket, and said second connector 42 is attachment plug; The both sides of the upper surface of said mainboard 10 are respectively equipped with a said gang socket; The both sides of the lower surface of said daughter board 20 are respectively equipped with a said attachment plug, and said attachment plug is plugged in the said gang socket detachablely, thereby said daughter board 20 is installed on the said mainboard 10 detachablely.In the present embodiment, said daughter board 20 is realized being electrically connected through said electric connector with mainboard 10.
With reference to figure 4-5; In another specific embodiment of the utility model, the coupling assembling 50 of said car machine circuit plate 1 ' comprises first connector 51 and second connector 52 that matees with said first connector 51, and said first connector 51 is a fixed leg; Said fixed leg offers fixing hole 510; Said fixing hole 510 has internal thread (figure does not show), and said second connector 52 is a screw, and said screw has external screw thread; The both sides of the upper surface of said mainboard 10 are respectively equipped with two said fixed legs; The position corresponding with said fixed leg offers perforation 22 on the said daughter board 20, and said screw passes said perforation 22 and is connected with said fixing hole 510, thereby said daughter board 20 is installed on the said mainboard 10 detachablely.In the present embodiment, can realize being electrically connected through electric wire (figure does not show) between said daughter board 20 and the mainboard 10.Other structures of car machine circuit plate 1 ' are consistent with structure in the foregoing description in the present embodiment, will no longer set forth here.
With reference to figure 6-7; In another specific embodiment of the utility model; Said car machine circuit plate 1 " comprise that also coupling assembling 60, said coupling assembling 60 comprise first coupling assembling 61 and second coupling assembling 62, said first coupling assembling 61 is an electric connector; said electric connector comprises gang socket 611 and the attachment plug 612 of mating with said gang socket 611; both sides of the upper surface of said mainboard 10 are respectively equipped with a said gang socket 611, and the both sides of the lower surface of said daughter board 20 are respectively equipped with a said attachment plug 612, and said attachment plug 612 is plugged in the said gang socket 611 detachablely; Said second coupling assembling 62 comprises fixed leg and 621 screws 622; The both sides of each said gang socket 611 are respectively equipped with a said fixed leg 621; Offer fixing hole 623 on the said fixed leg 621; Said fixing hole 623 has internal thread; The both sides of each said attachment plug 612 offer the perforation 22 corresponding with said fixing hole 623 respectively, and said screw 622 passes said perforation 22 and is connected with said fixing hole 623 detachablely, thereby said daughter board 20 is installed on the said mainboard 10 detachablely.During assembling; Through said first coupling assembling 61 said daughter board 20 is cooperated grafting with said mainboard 10 earlier, through said second coupling assembling 62 both are locked again, during dismounting; Earlier the screw 622 of said second coupling assembling 62 is removed, more said daughter board 20 is removed from said mainboard 10.In the present embodiment, realize being electrically connected through said electric connector between said daughter board 20 and the mainboard 10.Car machine circuit plate 1 in the present embodiment " other structures consistent with structure among above-mentioned two embodiment, will no longer set forth here.
In sum, the utility model car machine circuit plate 1 comprises mainboard 10 and daughter board 20, and said daughter board 20 is provided with minimum control circuit 21; Said mainboard 10 is provided with peripheral function circuit 11; Because said daughter board 20 is installed on the said mainboard 10 and with said mainboard 10 and is electrically connected detachablely, therefore in the different vehicle GPS products of research and development, can directly said daughter board 20 be cooperated with different mainboards 10; Need not on different mainboard 10, to arrange in addition minimum control circuit 21; Thereby make that the R&D cycle of vehicle GPS product is short, simultaneously, have car machine circuit plate 1 portable strong of detachable structure; In addition, because therefore said daughter board 20 and said mainboard 10 independent settings have been avoided the peripheral function circuit 11 on the 21 pairs of said mainboards 10 of minimum control circuit on the said daughter board 20 to cause interference, thereby have been made that the service behaviour of vehicle GPS product is high.
More than combine most preferred embodiment that the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to the essence of the utility model.
Claims (7)
1. a car machine circuit plate is characterized in that, comprise mainboard and daughter board, said daughter board is provided with minimum control circuit, and said mainboard is provided with the peripheral function circuit, and said daughter board is installed on the said mainboard and with said mainboard detachablely and is electrically connected.
2. car machine circuit plate as claimed in claim 1; It is characterized in that; Said minimum control circuit comprises CPU control unit, memory cell, FLASH unit and display screen driver element; Said display screen driver element is connected the display screen of vehicle GPS with said CPU control unit; Said CPU control unit reads the command information in the said memory cell and sends control command and give said FLASH unit and display screen driver element, thereby the FLASH file of controlling in the said FLASH unit is play on said display screen.
3. car machine circuit plate as claimed in claim 1 is characterized in that said memory cell is DDR.
4. like each described car machine circuit plate of claim 1-3; It is characterized in that, also comprise coupling assembling, said coupling assembling comprises first connector and second connector that matees with said first connector; Said first connector is located on the said mainboard; Said second connector is located on the said daughter board, and said second connector is connected with said first connector detachablely, thereby said daughter board is installed on the said mainboard detachablely.
5. car machine circuit plate as claimed in claim 4 is characterized in that said coupling assembling is an electric connector, and said first connector is gang socket, and said second connector is attachment plug, and said attachment plug is plugged in the said gang socket detachablely.
6. car machine circuit plate as claimed in claim 4; It is characterized in that; Said first connector is a fixed leg, and said fixed leg offers fixing hole, and said fixing hole has internal thread; Said second connector is a screw, and said screw passes said daughter board and is connected with said fixing hole detachablely.
7. car machine circuit plate as claimed in claim 5; It is characterized in that; Said coupling assembling also comprises fixed leg and screw; Said fixed leg is located on the said mainboard and on the said fixed leg and is offered fixing hole, and said fixing hole has internal thread, and said screw passes said daughter board and is connected with said fixing hole detachablely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202117793U CN202103936U (en) | 2011-06-22 | 2011-06-22 | Vehicle-mounted circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202117793U CN202103936U (en) | 2011-06-22 | 2011-06-22 | Vehicle-mounted circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202103936U true CN202103936U (en) | 2012-01-04 |
Family
ID=45389933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202117793U Expired - Fee Related CN202103936U (en) | 2011-06-22 | 2011-06-22 | Vehicle-mounted circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202103936U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596364A (en) * | 2012-08-16 | 2014-02-19 | 优力勤股份有限公司 | Integrated circuit assembly for testing, determining and verifying circuit board on high-speed board |
| CN107241010A (en) * | 2017-05-19 | 2017-10-10 | 株洲中车时代电气股份有限公司 | A kind of vehicle-mounted accessory power supply control unit |
| CN110475428A (en) * | 2019-08-15 | 2019-11-19 | 深圳市华宇精琢科技有限公司 | A kind of display screen transmits pcb board without cable power supply and signal |
| CN114217206A (en) * | 2021-12-06 | 2022-03-22 | 广东利扬芯片测试股份有限公司 | Detection system of double-sided process PIN diode power management chip |
-
2011
- 2011-06-22 CN CN2011202117793U patent/CN202103936U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596364A (en) * | 2012-08-16 | 2014-02-19 | 优力勤股份有限公司 | Integrated circuit assembly for testing, determining and verifying circuit board on high-speed board |
| CN107241010A (en) * | 2017-05-19 | 2017-10-10 | 株洲中车时代电气股份有限公司 | A kind of vehicle-mounted accessory power supply control unit |
| CN110475428A (en) * | 2019-08-15 | 2019-11-19 | 深圳市华宇精琢科技有限公司 | A kind of display screen transmits pcb board without cable power supply and signal |
| CN114217206A (en) * | 2021-12-06 | 2022-03-22 | 广东利扬芯片测试股份有限公司 | Detection system of double-sided process PIN diode power management chip |
| CN114217206B (en) * | 2021-12-06 | 2024-04-12 | 广东利扬芯片测试股份有限公司 | Detection system of double-sided process PIN diode power management chip |
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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: 20120104 Termination date: 20170622 |