CN106809141A - Vehicle-mounted special connecting element and automobile rearview mirror camera module - Google Patents
Vehicle-mounted special connecting element and automobile rearview mirror camera module Download PDFInfo
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- CN106809141A CN106809141A CN201611121267.1A CN201611121267A CN106809141A CN 106809141 A CN106809141 A CN 106809141A CN 201611121267 A CN201611121267 A CN 201611121267A CN 106809141 A CN106809141 A CN 106809141A
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- pin
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- usb
- line
- connecting element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
Abstract
The embodiment of the invention discloses the vehicle-mounted special connecting element of one kind and automobile rearview mirror camera module, vehicle-mounted special connecting element includes：Mainboard patch and extended line；In mainboard patch and extended line, wherein the end of a line is provided with pin connector, the end of another line is provided with the spliced eye seat being adapted with pin connector；In pin connector, the length of power ground pin is most long in each pin, when mainboard patch and extended line carry out grafting, beneficial to power ground pin prior to electricity on automobile storage battery power supply wire pin, can avoid because automobile storage battery power supply wire pin first goes up electricity, power ground pin after the automobile storage battery power supply wire pin on electricity, there is larger floating electrical interference in the power supply of USB camera, make the bad stability of signal transmission, cause USB camera occur video image it is unstable in addition failure etc. phenomenon, can effective promotion signal stability, so as to lift the reliability of USB camera and the quality of video image.
Description
Technical field
The present invention relates to mobile unit technical field, more particularly to a kind of vehicle-mounted special connecting element and automobile rearview mirror are taken the photograph
As head mould group.
Background technology
At present, using in the automobile rearview mirror camera module of USB interface agreement, USB camera is obtained in that with height
The video image of sorting resolution, therefore, in automobile industry, obtained using the automobile rearview mirror camera module of USB interface agreement
Increasingly it is widely applied.In automobile rearview mirror camera module, USB camera generally via vehicle-mounted special connecting element with
Automobile rearview mirror mainboard is connected, to realize the signal transmission of USB camera.
Fig. 1 to Fig. 4 is referred to, existing vehicle-mounted special connecting element is generally included：The vehicle-mounted He of dedicated mainboard patch 91
Vehicle-mounted special extended line 92, vehicle-mounted one end of dedicated mainboard patch 91 is connected with automobile rearview mirror mainboard 90, the other end with it is vehicle-mounted
Special extended line 92 is connected.USB power source line 11 is provided with vehicle-mounted dedicated mainboard patch 91 and vehicle-mounted special extended line 92, is born
Pole data wire 12, positive pole data wire 13, power ground 14, astern signal line 15, car accessories (English：ACCESSORY, abbreviation：
ACC) power line 16, and two automobile storage battery power lines 17.The vehicle-mounted end of dedicated mainboard patch 91 is provided with vehicle-mounted special
Spliced eye seat 95, every line in the vehicle-mounted vehicle-mounted dedicated mainboard patch 91 of correspondence of special spliced eye seat 95 is provided with corresponding car
Carry special connection-peg 96.The vehicle-mounted end of special extended line 92 is provided with vehicle-mounted special with what vehicle-mounted special spliced eye seat 95 was adapted
Pin connector 94, vehicle-mounted dedicated pin joint 94 includes：USB power source wire pin 21, negative pole data wire pin 22, positive pole data wire
Pin 23, power ground pin 24, astern signal wire pin 25, car accessories power supply wire pin 26, and automobile storage battery power supply
Wire pin 27.Vehicle-mounted dedicated pin joint 94 is plugged with vehicle-mounted special spliced eye seat 95, vehicle-mounted special extended line 92 it is another
End is connected to USB camera.
In above-mentioned vehicle-mounted special connecting element, power ground 14 shares a power supply ground with the power ground of USB camera
Wire pin 24, during by vehicle-mounted dedicated pin joint 94 with vehicle-mounted special 95 grafting of spliced eye seat, if automobile storage battery power line draws
Pin 27 first goes up electricity, power ground pin 24 after the automobile storage battery power supply wire pin 27 on electricity, can go out the power supply of USB camera
Existing larger floating electrical interference, makes the bad stability of signal transmission, causes USB camera the unstable grade of video image occur and shows
As.
The content of the invention
Goal of the invention of the invention is to provide a kind of vehicle-mounted special connecting element and automobile rearview mirror camera module, with
Existing vehicle-mounted special connecting element is solved in grafting, be easily caused USB camera occur video image it is unstable in addition failure
The problems such as.
A kind of first aspect according to embodiments of the present invention, there is provided vehicle-mounted special connecting element, including：Mainboard patch and
Extended line；
USB power source line, negative pole data wire, positive pole data wire, electricity are provided with the mainboard patch and the extended line
Source ground wire, astern signal line, car accessories power line and automobile storage battery power line；
In the mainboard patch and the extended line, wherein the end of a line is provided with pin connector, another line
End be provided be adapted with the pin connector spliced eye seat；
The pin connector includes：The USB power source wire pin and the negative pole data wire being connected with the USB power source line
The positive pole data wire pin and power ground connection of the negative pole data wire pin of connection and positive pole data wire connection
Power ground pin and the astern signal line connection astern signal wire pin and the car accessories power line connection
Car accessories power supply wire pin, and the automobile storage battery power supply wire pin being connected with the automobile storage battery power line,
The length of the power ground pin is more than any pin length in following：It is the USB power source wire pin, described
Negative pole data wire pin, the positive pole data wire pin, the power ground pin, the astern signal wire pin, the vapour
Car accessory power supply wire pin and the automobile storage battery power supply wire pin.
With reference in a first aspect, in the first possible implementation of first aspect, the USB power source wire pin, institute
State negative pole data wire pin, the positive pole data wire pin, the power ground pin, the astern signal wire pin, described
The equal length of car accessories power supply wire pin and the automobile storage battery power supply wire pin, the length of the power ground pin
Than the length 0.5mm~1.5mm long of the USB power source wire pin.
With reference to the first possible implementation of first aspect, in second possible implementation of first aspect
In, USB ground wires are additionally provided with the mainboard patch and the extended line, the pin connector also includes and USB ground
The USB ground wire pin of line connection.
With reference to second possible implementation of first aspect, in the third possible implementation of first aspect
In, the USB power source line, the negative pole data wire, the positive pole data wire, and the outside of the USB ground wires are respectively provided with
There is screen layer.
With reference in a first aspect, in the 4th kind of possible implementation of first aspect, the mainboard patch and described
Insulation impedance of the extended line under 500V dc sources is more than or equal to 100M Ω.
With reference in a first aspect, in the 5th kind of possible implementation of first aspect, the negative pole data wire and described
The wire size specification of positive pole data wire is more than AWG28 lines.
With reference in a first aspect, in the 6th kind of possible implementation of first aspect, the wire gauge of the USB power source line
Lattice are AWB24 lines.
With reference in a first aspect, in the 7th kind of possible implementation of first aspect, the negative pole data wire and described
The differential impedance of positive pole data wire and characteristic impedance are 90 Ω.
With reference in a first aspect, in the 8th kind of possible implementation of first aspect, the negative pole data wire and described
The D.C. resistance of positive pole data wire is less than or equal to 0.3 Ω.
A kind of second aspect according to embodiments of the present invention, there is provided automobile rearview mirror camera module, including：It is vehicle-mounted special
Connecting element and the USB extended lines of the vehicle-mounted special connecting element connection, and the USB being connected with the USB extended lines take the photograph
As head, the vehicle-mounted special connecting element is above-mentioned any one vehicle-mounted special connecting element.
From above technical scheme, vehicle-mounted special connecting element provided in an embodiment of the present invention and automobile rearview mirror are imaged
Head mould group, vehicle-mounted special connecting element includes：Mainboard patch and extended line；USB is provided with mainboard patch and extended line
Power line, negative pole data wire, positive pole data wire, power ground, astern signal line, car accessories power line and automobile storage battery electricity
Source line；In mainboard patch and extended line, wherein the end of a line is provided with pin connector, the end of another line is provided with
The spliced eye seat being adapted with pin connector；Pin connector includes：The USB power source wire pin and negative pole being connected with USB power source line
What the negative pole data wire pin of data wire connection and the positive pole data wire pin and power ground of positive pole data wire connection were connected
The car accessories of the astern signal wire pin and the connection of car accessories power line of power ground pin and the connection of astern signal line
Power supply wire pin, and the automobile storage battery power supply wire pin being connected with automobile storage battery power line, the length of power ground pin exist
It is most long in each pin, during by mainboard patch and extended line grafting, draw prior to automobile storage battery power line beneficial to power ground pin
Electricity on pin, can avoid because automobile storage battery power supply wire pin first goes up electricity, power ground pin automobile storage battery power supply wire pin it
Electricity is gone up afterwards, and the power supply of USB camera larger floating electrical interference occurs, makes the bad stability of signal transmission, causes USB camera
Occur that video image is unstable or even the phenomenon such as failure, can effective promotion signal stability so that lift USB camera can
By property and the quality of video image.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of schematic diagram of existing vehicle-mounted special connecting element；
Fig. 2 is the schematic diagram of the pin connector of the vehicle-mounted special extended line in Fig. 1；
Fig. 3 is the schematic diagram of the mainboard patch in Fig. 1；
Fig. 4 is the schematic diagram of the spliced eye seat of the mainboard patch in Fig. 1；
The schematic diagram of the first embodiment of the vehicle-mounted special connecting element that Fig. 5 is provided for the present invention；
The signal of the pin connector of extended line in the first embodiment of the vehicle-mounted special connecting element that Fig. 6 is provided for the present invention
Figure；
The schematic diagram of mainboard patch in the first embodiment of the vehicle-mounted special connecting element that Fig. 7 is provided for the present invention；
The spliced eye seat of mainboard patch in the first embodiment of the vehicle-mounted special connecting element that Fig. 8 is provided for the present invention
Schematic diagram；
The signal of the pin connector of extended line in the second embodiment of the vehicle-mounted special connecting element that Fig. 9 is provided for the present invention
Figure；
The schematic diagram of mainboard patch in the second embodiment of the vehicle-mounted special connecting element that Figure 10 is provided for the present invention；
Figure 11 is the schematic diagram of automobile rearview mirror camera module provided in an embodiment of the present invention.
Illustrate：1- mainboard patch；2- extended lines；20- pin connectors；30- spliced eyes seat；11-USB power lines；
12- negative pole data wires；13- positive pole data wires；14- power grounds；15- astern signal lines；16- car accessories power lines；17- vapour
Automobile battery power line；18-USB ground wires；21-USB power supply wire pins；22- negative pole data wire pins；23- positive pole data wire pins；
24- power ground pins；25- astern signal wire pins；26- car accessories power supply wire pins；27- automobile storage battery power lines draw
Pin；28-USB ground wire pin；90- automobile rearview mirror mainboards；The vehicle-mounted dedicated mainboard patch of 91-；The vehicle-mounted special extended lines of 92-；
The vehicle-mounted dedicated pin joints of 94-；The vehicle-mounted special spliced eye seats of 95-；The vehicle-mounted special connection-pegs of 96-；100-USB extended lines；200-
USB camera.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
According to the first aspect of the invention, there is provided a kind of vehicle-mounted special connecting element.The vehicle-mounted special connecting element can use
In the connection for realizing automobile rearview mirror mainboard and the circumscribed USB first-class equipment of shooting.
Embodiment one
Fig. 5 to Fig. 8 is referred to, is the first embodiment of the vehicle-mounted special connecting element that the present invention is provided, this is vehicle-mounted special
Connecting element includes：Mainboard patch 1 and extended line 2, mainboard patch 1 are used to be connected with automobile rearview mirror mainboard 90, extend
Line 2 is used to be connected with mainboard patch 1.
In mainboard patch 1 and extended line 2, wherein the end of a line is provided with pin connector 20, another end of line
Portion is provided with the spliced eye seat 30 being adapted with pin connector 20.In the present embodiment, the end of extended line 2 is provided with pin and connects
First 20, the end of mainboard patch 1 is provided with the spliced eye seat 30 being adapted with pin connector 20.
Wherein, pin connector 20 includes：The USB power source wire pin 21 and negative pole data wire 12 being connected with USB power source line 11
The positive pole data wire pin 23 and power ground 14 of negative pole data wire pin 22 and positive pole data wire 13 connection of connection are connected
Power ground pin 24 and astern signal line 15 connection astern signal wire pin 25 and car accessories power line 16 connect
Car accessories power supply wire pin 26, and the automobile storage battery power supply wire pin 27 being connected with automobile storage battery power line 17.
Also, in each pin of pin connector 20, the length of power ground pin 24 is long more than any pin in following
Degree：USB power source line draws 21, negative pole data wire pin 22, positive pole data wire pin 23, power ground pin 24, astern signal line
Pin 25, car accessories power supply wire pin 26 and automobile storage battery power supply wire pin 27.
Preferably, USB power source wire pin 21, negative pole data wire pin 22, positive pole data wire pin 23, power ground pin
24th, the equal length of astern signal wire pin 25, car accessories power supply wire pin 26 and automobile storage battery power supply wire pin 27, electricity
Length 0.5mm~the 1.5mm bigger than the length of USB power source wire pin 21 of source ground wire pin 24.In the making of pin connector 20
, individually be made to for the length of power ground pin 24 long by Cheng Zhong, can increase the difficulty of manufacture craft, the product produced
Uniformity is relatively difficult to ensure card, therefore, the length of power ground pin 24 is made to bigger than the length of USB power source wire pin 21
0.5mm~1.5mm, on the premise of can to a certain extent ensureing the uniformity of product produced, is easy to power ground pin
24 prior to electricity on automobile storage battery power supply wire pin 27.In the present embodiment, the length of power ground pin 24 is drawn than USB power source line
The big 1mm of length of pin 21.In the vehicle-mounted special connecting element, during by 2 grafting of mainboard patch 1 and extended line, due to power supply
Ground wire pin 24 length it is most long, beneficial to power ground pin 24 prior on automobile storage battery power supply wire pin 27 electricity, can avoid because
For automobile storage battery power supply wire pin 27 first goes up electricity, power ground pin 24 when electricity on automobile storage battery power supply wire pin 27, USB
There is larger floating electrical interference in the power supply of camera, makes the bad stability of signal transmission, causes USB camera video figure occur
As the phenomenon such as unstable, the stability of automobile rearview mirror mainboard connecting line transmission signal can be effectively lifted, so as to lift USB shootings
The quality of the video image of head.
Preferably, USB power source line 11, negative pole data wire 12, the outside of positive pole data wire 13 are provided with screen layer, screen layer
The interference that signal is caused can be avoided interference, while reducing the loss of transmission signal.
Preferably, the insulation impedance of mainboard patch 1 and extended line 2 under 500V dc sources is more than or equal to 100M
Ω, and under the high-voltage performance test of 500V alternating currents, without punch-through in 1 minute.Negative pole data wire 12 and positive pole data wire
13 wire size specification is not less than AWG28 lines, and the wire size specification of USB power source line 11 is AWB24 lines, negative pole data wire 12 and just
The differential impedance of pole data wire 13 and characteristic impedance are 90 Ω, and the D.C. resistance of negative pole data wire 12 and positive pole data wire 13 is less than
Or equal to 0.3 Ω, to the setting of the relevant parameters such as the impedance of mainboard patch 1 and extended line 2 more than, wire rod can be improved
Uniformity, so as to lift steady qualitative of USB camera signal transmission.
The first embodiment of the vehicle-mounted special connecting element provided from above technical scheme, the present invention, it is vehicle-mounted special
Connecting element includes：USB power source line 11 is provided with mainboard patch 1 and extended line 2, mainboard patch 1 and extended line 2, is born
Pole data wire 12, positive pole data wire 13, power ground 14, astern signal line 15, car accessories power line 16 and automobile storage battery
Power line 17.In mainboard patch 1 and extended line 2, wherein the end of a line is provided with pin connector 20, another end of line
Portion is provided with the spliced eye seat 30 being adapted with pin connector 20.Pin connector 20 includes：The USB being connected with USB power source line 11
The positive number of poles of the negative pole data wire pin 22 and the connection of positive pole data wire 13 of power supply wire pin 21 and the connection of negative pole data wire 12
The astern signal line that the power ground pin 24 and astern signal line 15 connected according to wire pin 23 and power ground 14 are connected draws
Pin 25 and the car accessories power supply wire pin 26 of the connection of car accessories power line 16, and be connected with automobile storage battery power line 17
Automobile storage battery power supply wire pin 27；The length of power ground pin 24 is most long in each pin, by patch 1 and plug socket
During 2 grafting, beneficial to power ground pin 24 prior to electricity on automobile storage battery power supply wire pin 27, can avoid because automobile storage battery power supply
Wire pin 27 first goes up electricity, and when electricity on automobile storage battery power supply wire pin 27, the power supply of USB camera goes out power ground pin 24
Existing larger floating electrical interference, makes the less stable of signal transmission, causes USB camera video image occur unstable or even lose
The phenomenons such as effect, can effectively lift the stability of automobile rearview mirror mainboard connecting line transmission signal, so that lift USB camera can
By property and the quality of video image.
Embodiment two
Fig. 9 to Figure 10 is referred to, is the second embodiment of the vehicle-mounted special connecting element that the present invention is provided, second implementation
Example is to be additionally provided with USB ground wires 18, pin connector in mainboard patch 1 and extended line 2 with the difference of above-mentioned first embodiment
20 also include the USB ground wire pin 28 being connected with USB ground wires 18.Spliced eye seat 30 is also adapted with pin connector 20, set with
The jack that USB ground wire pin 28 coordinates.
It is many related because the pin number of existing vehicle-mounted dedicated mainboard patch 91 is limited from Fig. 1 to Fig. 4
Product shares a power ground pin 24 using the pin line sequence being molded, power ground 14 with the power ground of USB camera,
When therefore, by vehicle-mounted dedicated mainboard patch 91 and vehicle-mounted special 92 grafting of extended line, once power ground pin 24 is after vapour
There is larger floating electrical interference in electricity on automobile battery power supply wire pin 27, the power supply for being easily caused USB camera, makes signal transmission
Bad stability, cause USB camera occur video image it is unstable in addition failure etc. phenomenon；Also, in the first embodiment,
The length of power ground pin 24 is made to bigger than the length of USB power source wire pin 21, can to a certain extent influence vehicle-mounted
The uniformity and reliability of special connecting element, therefore, on the basis of first embodiment, it is vehicle-mounted special slotting that the present invention is provided
The second embodiment of wiring, has been separately provided USB ground wires 18 and USB ground wire pin 28.USB ground wire pin 28 draws with power ground
Pin 24 is isolated, and used as a single electrical network, when by 2 grafting of mainboard patch 1 and extended line, USB powers oneself
After single ground wire, the moment of system power supply, the high voltage interference of system in crosstalk will not be subject on USB power source line 11, can kept away
There is larger floating electrical interference in the power supply for exempting from USB camera, makes the bad stability of signal transmission, causes USB camera to occur
Video image it is unstable in addition failure etc. phenomenon, the stability of vehicle-mounted special patch transmission signal is further lifted, so as to carry
The quality of the video image of USB camera is risen, the uniformity and reliability of vehicle-mounted special connecting element is lifted.
Specifically, USB power source wire pin 21, negative pole data wire pin 22, positive pole data wire pin 23, power ground pin
24th, astern signal wire pin 25, and car accessories power supply wire pin 26 and automobile storage battery power supply wire pin 27 are around USB ground
Wire pin 28 is rounded to be uniformly distributed.
The second embodiment of the vehicle-mounted special patch provided from above technical scheme, the present invention, implements first
On the basis of example, USB ground wires 18 and USB ground wire pin 28 are set, when further avoiding 2 grafting of mainboard patch 1 and extended line,
There is larger floating electrical interference in the power supply of USB camera, makes the bad stability of signal transmission, causes USB camera to occur regarding
The phenomenon such as frequency image is unstable, can effectively lift the stability of automobile rearview mirror mainboard connecting line transmission signal, so as to lift USB
The reliability of camera and the quality of video image, lift the uniformity and reliability of vehicle-mounted special connecting element.
A kind of second aspect according to embodiments of the present invention, there is provided automobile rearview mirror camera module.
Figure 11 is referred to, is automobile rearview mirror camera module provided in an embodiment of the present invention, including：Vehicle-mounted special grafting
Component and the USB extended lines 100 of vehicle-mounted special connecting element connection, and the USB camera being connected with USB extended lines 100
200, vehicle-mounted special connecting element is any one vehicle-mounted special connecting element provided in an embodiment of the present invention.
From above technical scheme, automobile rearview mirror camera module provided in an embodiment of the present invention, by vehicle-mounted special
With connecting element and USB extended lines 100, automobile rearview mirror mainboard 90 is connected with USB camera 200, vehicle-mounted special grafting
Component includes mainboard patch 1 and extended line 2, and USB power source line 11, negative pole data are provided with mainboard patch 1 and extended line 2
Line 12, positive pole data wire 13, power ground 14, astern signal line 15, car accessories power line 16 and automobile storage battery power line
17.In mainboard patch 1 and extended line 2, wherein the end of a line is provided with pin connector 20, another end of line is set
There is the spliced eye seat 30 being adapted with pin connector 20.Pin connector 20 includes：The USB power source line being connected with USB power source line 11
The positive pole data wire of the negative pole data wire pin 22 and the connection of positive pole data wire 13 of pin 21 and the connection of negative pole data wire 12 draws
Pin 23 and power ground 14 connection power ground pin 24 and astern signal line 15 connection astern signal wire pin 25 and
The car accessories power supply wire pin 26 of the connection of car accessories power line 16, and the automobile electricity being connected with automobile storage battery power line 17
Bottle power supply wire pin 27；The length of power ground pin 24 is most long in each pin, during by patch 1 and 2 grafting of plug socket,
Beneficial to power ground pin 24 prior to electricity on automobile storage battery power supply wire pin 27, can avoid because automobile storage battery power supply wire pin 27
Electricity is first gone up, power ground pin 24 is when electricity on automobile storage battery power supply wire pin 27, and the power supply appearance of USB camera is larger
Floating electrical interference, makes the less stable of signal transmission, causes USB camera the phenomenons such as video image is unstable occur, can be effective
The stability of automobile rearview mirror mainboard connecting line transmission signal is lifted, so as to lift the reliability and video image of USB camera
Quality.
Those skilled in the art considering specification and after putting into practice invention disclosed herein, will readily occur to it is of the invention its
Its embodiment.The application is intended to any modification of the invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow general principle of the invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture being described above and be shown in the drawings, and
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a kind of vehicle-mounted special connecting element, including：Mainboard patch (1) and extended line (2)；
USB power source line (11), negative pole data wire (12), positive pole are provided with the mainboard patch (1) and the extended line (2)
Data wire (13), power ground (14), astern signal line (15), car accessories power line (16) and automobile storage battery power line
(17)；
In the mainboard patch (1) and the extended line (2), wherein the end of a line is provided with pin connector (20), separately
The end of one line is provided with spliced eye seat (30) being adapted with the pin connector (20)；
The pin connector (20) includes：The USB power source wire pin (21) that is connected with the USB power source line (11) and described negative
Negative pole data wire pin (22) of pole data wire (12) connection and the positive pole data wire pin of the positive pole data wire (13) connection
(23) and the power ground (14) connection power ground pin (24) and the astern signal line (15) connection reversing
Signal wire pin (25) and the car accessories power line (16) connection car accessories power supply wire pin (26), and with institute
State automobile storage battery power supply wire pin (27) of automobile storage battery power line (17) connection, it is characterised in that
The length of the power ground pin (24) is more than any pin length in following：The USB power source wire pin (21),
The negative pole data wire pin (22), the positive pole data wire pin (23), the power ground pin (24), the reversing letter
Number wire pin (25), the car accessories power supply wire pin (26) and the automobile storage battery power supply wire pin (27).
2. vehicle-mounted special connecting element according to claim 1, it is characterised in that the USB power source wire pin (21), institute
State negative pole data wire pin (22), the positive pole data wire pin (23), the power ground pin (24), the astern signal
The length phase of wire pin (25), the car accessories power supply wire pin (26) and the automobile storage battery power supply wire pin (27)
Deng the length long 0.5mm~1.5mm of the length than the USB power source wire pin (21) of the power ground pin (24).
3. vehicle-mounted special connecting element according to claim 2, it is characterised in that the mainboard patch (1) and described
USB ground wires (18) are additionally provided with extended line (2), the pin connector (20) also includes what is be connected with the USB ground wires (18)
USB ground wire pin (28).
4. vehicle-mounted special connecting element according to claim 3, it is characterised in that the USB power source line (11), described negative
Pole data wire (12), the positive pole data wire (13), and the outside of the USB ground wires (18) are provided with screen layer.
5. vehicle-mounted special connecting element according to claim 1, it is characterised in that the mainboard patch (1) and described
Insulation impedance of the extended line (2) under 500V dc sources is more than or equal to 100M Ω.
6. vehicle-mounted special connecting element according to claim 1, it is characterised in that the negative pole data wire (12) and described
The wire size specification of positive pole data wire (13) is at least AWG28 lines.
7. vehicle-mounted special connecting element according to claim 1, it is characterised in that the wire size of the USB power source line (11)
Specification is AWB24 lines.
8. vehicle-mounted special connecting element according to claim 1, it is characterised in that the negative pole data wire (12) and described
The differential impedance of positive pole data wire (13) and characteristic impedance are 90 Ω.
9. vehicle-mounted special connecting element according to claim 1, it is characterised in that the negative pole data wire (12) and described
The D.C. resistance of positive pole data wire (13) is less than or equal to 0.3 Ω.
10. a kind of automobile rearview mirror camera module, including：Vehicle-mounted special connecting element and the vehicle-mounted special connecting element
The USB extended lines (100) of connection, and the USB camera (200) being connected with the USB extended lines (100), it is characterised in that
The vehicle-mounted special connecting element is the vehicle-mounted special connecting element described in any one of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121267.1A CN106809141B (en) | 2016-12-08 | 2016-12-08 | Vehicle-mounted dedicated connecting element and automobile rearview mirror camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121267.1A CN106809141B (en) | 2016-12-08 | 2016-12-08 | Vehicle-mounted dedicated connecting element and automobile rearview mirror camera module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106809141A true CN106809141A (en) | 2017-06-09 |
| CN106809141B CN106809141B (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611121267.1A Active CN106809141B (en) | 2016-12-08 | 2016-12-08 | Vehicle-mounted dedicated connecting element and automobile rearview mirror camera module |
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