CN106809141B - Vehicle-mounted dedicated connecting element and automobile rearview mirror camera module - Google Patents
Vehicle-mounted dedicated connecting element and automobile rearview mirror camera module Download PDFInfo
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- CN106809141B CN106809141B CN201611121267.1A CN201611121267A CN106809141B CN 106809141 B CN106809141 B CN 106809141B CN 201611121267 A CN201611121267 A CN 201611121267A CN 106809141 B CN106809141 B CN 106809141B
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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
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
It include: mainboard patch and extended line the embodiment of the invention discloses a kind of vehicle-mounted dedicated connecting element and automobile rearview mirror camera module, vehicle-mounted dedicated connecting element；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 grafting hole seat compatible with pin connector；In pin connector, the length of power ground pin longest in each pin, when mainboard patch and extended line carry out grafting, it is powered on conducive to power ground pin prior to automobile storage battery power supply wire pin, it can avoid because automobile storage battery power supply wire pin first powers on, power ground pin powers on after automobile storage battery power supply wire pin, there is biggish floating electrical interference in the power supply of USB camera, the bad stability for transmitting signal, USB camera is caused phenomena such as unstable video image or even failure occur, can effectively promotion signal stability, to promote the reliability of USB camera and the quality of video image.
Description
Technical field
The present invention relates to mobile unit technical field, in particular to a kind of vehicle-mounted dedicated connecting element and automobile rearview mirror are taken the photograph
As head mould group.
Background technique
Currently, USB camera, which can obtain, has height using in the automobile rearview mirror camera module of USB interface agreement
Therefore the video image of sorting resolution in automobile industry, is obtained using the automobile rearview mirror camera module of USB interface agreement
It is more and more widely used.In automobile rearview mirror camera module, USB camera usually via vehicle-mounted dedicated connecting element with
Automobile rearview mirror mainboard is connected, to realize the signal transmission of USB camera.
Existing vehicle-mounted dedicated connecting element generally includes referring to FIG. 1 to FIG. 4: vehicle-mounted 91 He of dedicated mainboard patch
Vehicle-mounted dedicated extended line 92, vehicle-mounted 91 one end of dedicated mainboard patch are connect with automobile rearview mirror mainboard 90, the other end with it is vehicle-mounted
Dedicated extended line 92 connects.It is provided with USB power source line 11 in vehicle-mounted dedicated mainboard patch 91 and vehicle-mounted dedicated extended line 92, bears
Pole data line 12, positive data line 13, power ground 14, astern signal line 15, car accessories (English: ACCESSORY, abbreviation:
ACC) power supply line 16 and two automobile storage battery power supply lines 17.Vehicle-mounted 91 end of dedicated mainboard patch is provided with vehicle-mounted dedicated
Grafting hole seat 95, the every line that vehicle-mounted dedicated grafting hole seat 95 corresponds in vehicle-mounted dedicated mainboard patch 91 are provided with corresponding vehicle
Carry dedicated connection-peg 96.Vehicle-mounted 92 end of dedicated extended line is provided with compatible vehicle-mounted dedicated with vehicle-mounted dedicated grafting hole seat 95
Pin connector 94, vehicle-mounted dedicated pin connector 94 include: USB power source wire pin 21, cathode data wire pin 22, positive data line
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 connector 94 is plugged with vehicle-mounted dedicated grafting hole seat 95, vehicle-mounted dedicated extended line 92 it is another
End is connected to USB camera.
In above-mentioned vehicle-mounted dedicated connecting element, the power ground of power ground 14 and USB camera shares a power ground
Wire pin 24, when by vehicle-mounted dedicated pin connector 94 with vehicle-mounted dedicated 95 grafting of grafting hole seat, if automobile storage battery power supply line draws
Foot 27 first powers on, and power ground pin 24 powers on after automobile storage battery power supply wire pin 27, and the power supply of USB camera can be made to go out
Existing biggish floating electrical interference, the bad stability for transmitting signal, causing USB camera to occur, video image is unstable to be waited now
As.
Summary of the invention
Goal of the invention of the invention is to provide a kind of vehicle-mounted dedicated connecting element and automobile rearview mirror camera module, with
Existing vehicle-mounted dedicated connecting element is solved in grafting, easily lead to USB camera occur video image it is unstable in addition failure
The problems such as.
According to a first aspect of the embodiments of the present invention, a kind of vehicle-mounted dedicated connecting element is provided, comprising: mainboard patch and
Extended line；
USB power source line, cathode data line, positive data line, electricity are provided in the mainboard patch and the extended line
Source ground wire, astern signal line, car accessories power supply line and automobile storage battery power supply 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 with grafting hole seat compatible with the pin connector；
The pin connector includes: the USB power source wire pin connecting with the USB power source line and the cathode data line
The cathode data wire pin of connection, the positive data wire pin connecting with the positive data line are connect with the power ground
Power ground pin, connect with the astern signal line astern signal wire pin, connect with the car accessories power supply line
Car accessories power supply wire pin, and the automobile storage battery power supply wire pin being connect with the automobile storage battery power supply line,
The length of the power ground pin is greater than any pin length in following: the USB power source wire pin, described
Cathode data wire pin, the positive data wire pin, the power ground pin, the astern signal wire pin, the vapour
Vehicle accessory power supply wire pin and the automobile storage battery power supply wire pin.
With reference to first aspect, in the first possible implementation of the first aspect, the USB power source wire pin, institute
State cathode data wire pin, the positive 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
Length than the USB power source wire pin is 0.5mm~1.5mm long.
The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect
In, USB ground wire is additionally provided in the mainboard patch and the extended line, the pin connector further includes with the USB
The ground the USB wire pin of line connection.
The possible implementation of second with reference to first aspect, in the third possible implementation of first aspect
In, the USB power source line, the cathode data line, the positive data line and the USB ground wire outside be respectively set
There is shielded layer.
With reference to first aspect, in a fourth possible implementation of the first aspect, the mainboard patch and described
Insulation impedance of the extended line under 500V DC power supply is greater than or equal to 100M Ω.
With reference to first aspect, in the fifth possible implementation of the first aspect, the cathode data line and described
The wire size specification of positive data line is greater than AWG28 line.
With reference to first aspect, in the sixth possible implementation of the first aspect, the wire gauge of the USB power source line
Lattice are AWB24 line.
With reference to first aspect, in a seventh possible implementation of the first aspect, the cathode data line and described
The differential impedance of positive data line and characteristic impedance are 90 Ω.
With reference to first aspect, in the 8th kind of possible implementation of first aspect, the cathode data line and described
The D.C. resistance of positive data line is less than or equal to 0.3 Ω.
According to a second aspect of the embodiments of the present invention, a kind of automobile rearview mirror camera module is provided, comprising: vehicle-mounted dedicated
Connecting element, the USB extended line connecting with the vehicle-mounted dedicated connecting element, and the USB connecting with the USB extended line take the photograph
As head, the vehicle-mounted dedicated connecting element is the vehicle-mounted dedicated connecting element of any one of the above.
From the above technical scheme, vehicle-mounted dedicated connecting element and automobile rearview mirror camera shooting provided in an embodiment of the present invention
Head mould group, vehicle-mounted dedicated connecting element includes: mainboard patch and extended line；USB is provided in mainboard patch and extended line
Power supply line, cathode data line, positive data line, power ground, astern signal line, car accessories power supply 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
Grafting hole seat compatible with pin connector；Pin connector includes: the USB power source wire pin and cathode connecting with USB power source line
The cathode data wire pin of data line connection, is connect with power ground the positive data wire pin that connect with anode data line
Power ground pin, the astern signal wire pin being connect with astern signal line, the car accessories being connect with car accessories power supply line
Power supply wire pin, and the automobile storage battery power supply wire pin connecting with automobile storage battery power supply line, the length of power ground pin exist
Longest in each pin is drawn conducive to power ground pin prior to automobile storage battery power supply line when by mainboard patch and extended line grafting
Foot powers on, can avoid because automobile storage battery power supply wire pin first power on, power ground pin automobile storage battery power supply wire pin it
After power on, there is biggish floating electrical interference in the power supply of USB camera, and the bad stability for transmitting signal leads to USB camera
There is phenomena such as unstable video image or even failure, can effective promotion signal stability, so that promote USB camera can
By the quality of property and video image.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of schematic diagram of existing vehicle-mounted dedicated connecting element；
Fig. 2 is the schematic diagram of the pin connector of the vehicle-mounted dedicated 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 grafting hole seat of the mainboard patch in Fig. 1；
Fig. 5 is the schematic diagram of the first embodiment of vehicle-mounted dedicated connecting element provided by the invention；
Fig. 6 is the signal of the pin connector of extended line in the first embodiment of vehicle-mounted dedicated connecting element provided by the invention
Figure；
Fig. 7 is the schematic diagram of mainboard patch in the first embodiment of vehicle-mounted dedicated connecting element provided by the invention；
Fig. 8 is the grafting hole seat of mainboard patch in the first embodiment of vehicle-mounted dedicated connecting element provided by the invention
Schematic diagram；
Fig. 9 is the signal of the pin connector of extended line in the second embodiment of vehicle-mounted dedicated connecting element provided by the invention
Figure；
Figure 10 is the schematic diagram of mainboard patch in the second embodiment of vehicle-mounted dedicated connecting element provided by the invention；
Figure 11 is the schematic diagram of automobile rearview mirror camera module provided in an embodiment of the present invention.
It illustrates: 1- mainboard patch；2- extended line；20- pin connector；30- grafting hole seat；11-USB power supply line；
12- cathode data line；13- anode data line；14- power ground；15- astern signal line；16- car accessories power supply line；17- vapour
Automobile battery power supply line；18-USB ground wire；21-USB power supply wire pin；22- cathode data wire pin；23- anode data wire pin；
24- power ground pin；25- astern signal wire pin；26- car accessories power supply wire pin；27- automobile storage battery power supply line draws
Foot；The ground 28-USB wire pin；90- automobile rearview mirror mainboard；The vehicle-mounted dedicated mainboard patch of 91-；The vehicle-mounted dedicated extended line of 92-；
The vehicle-mounted dedicated pin connector of 94-；The vehicle-mounted dedicated grafting hole seat of 95-；The vehicle-mounted dedicated connection-peg of 96-；100-USB extended line；200-
USB camera.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
According to the first aspect of the invention, a kind of vehicle-mounted dedicated connecting element is provided.The vehicle-mounted dedicated connecting element is available
In the connection for realizing the equipment such as automobile rearview mirror mainboard and circumscribed USB camera.
Embodiment one
Fig. 5 to Fig. 8 is please referred to, is the first embodiment of vehicle-mounted dedicated connecting element provided by the invention, this is vehicle-mounted dedicated
Connecting element includes: mainboard patch 1 and extended line 2, and mainboard patch 1 extends for connecting with automobile rearview mirror mainboard 90
Line 2 with mainboard patch 1 for connecting.
In mainboard patch 1 and extended line 2, wherein the end of a line is provided with pin connector 20, the end of another line
Portion is provided with grafting hole seat 30 compatible 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 grafting hole seat 30 compatible with pin connector 20.
Wherein, pin connector 20 includes: the USB power source wire pin 21 connecting with USB power source line 11 and cathode data line 12
The cathode data wire pin 22 of connection, the positive data wire pin 23 connecting with positive data line 13 are connect with power ground 14
Power ground pin 24, connect with astern signal line 15 astern signal wire pin 25, connect with car accessories power supply line 16
Car accessories power supply wire pin 26, and the automobile storage battery power supply wire pin 27 being connect with automobile storage battery power supply line 17.
Also, in each pin of pin connector 20, any pin that the length of power ground pin 24 is greater than in following is long
Degree: USB power source line draws 21, cathode data wire pin 22, positive 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, cathode data wire pin 22, positive data wire pin 23, power ground pin
24, 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
Source wire pin 24 length it is 0.5mm~1.5mm bigger than the length of USB power source wire pin 21.In the production of pin connector 20
The length of power ground pin 24, is individually made to too long by Cheng Zhong, will increase the difficulty of manufacture craft, the product produced
Consistency is relatively difficult to guarantee, and 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 under the premise of the consistency that can guarantee the product produced to a certain extent, is convenient for power ground pin
24 power on prior to 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 the length of foot 21.In the vehicle-mounted dedicated connecting element, when by 2 grafting of mainboard patch 1 and extended line, due to power supply
The length longest of ground wire pin 24 powers on conducive to power ground pin 24 prior to automobile storage battery power supply wire pin 27, can avoid because
It is first powered on for automobile storage battery power supply wire pin 27, after power ground pin 24 when automobile storage battery power supply wire pin 27 powers on, USB
There is biggish floating electrical interference in the power supply of camera, and the bad stability for transmitting signal causes USB camera video figure occur
As phenomena such as unstable, the stability of automobile rearview mirror mainboard connecting line transmission signal can be effectively promoted, to promote USB camera shooting
The quality of the video image of head.
Preferably, USB power source line 11, cathode data line 12, positive data line 13 outside be provided with shielded layer, shielded layer
It can avoid interference caused by interference signal, while reducing the loss of transmission signal.
Preferably, the insulation impedance of mainboard patch 1 and extended line 2 under 500V DC power supply is greater than or equal to 100M
Ω, and under the test of the high-voltage performance of 500V alternating current, without punch-through in 1 minute.Cathode data line 12 and positive data line
13 wire size specification is not less than AWG28 line, and the wire size specification of USB power source line 11 is AWB24 line, cathode data line 12 and just
The differential impedance of pole data line 13 and characteristic impedance are 90 Ω, and cathode data line 12 and the D.C. resistance of positive data line 13 are less than
Or it is equal to 0.3 Ω, by the setting of the relevant parameters such as impedance above to mainboard patch 1 and extended line 2, wire rod can be improved
Consistency, so that promoting USB camera signal transmits surely qualitative.
From the above technical scheme, the first embodiment of vehicle-mounted dedicated connecting element provided by the invention, it is vehicle-mounted dedicated
Connecting element includes: mainboard patch 1 and extended line 2, and USB power source line 11 is provided in mainboard patch 1 and extended line 2, is born
Pole data line 12, positive data line 13, power ground 14, astern signal line 15, car accessories power supply line 16 and automobile storage battery
Power supply line 17.In mainboard patch 1 and extended line 2, wherein the end of a line is provided with pin connector 20, the end of another line
Portion is provided with grafting hole seat 30 compatible with pin connector 20.Pin connector 20 includes: the USB connecting with USB power source line 11
Power supply wire pin 21, the cathode data wire pin 22 being connect with cathode data line 12, the positive number of poles being connect with positive data line 13
Draw according to wire pin 23, the power ground pin 24 being connect with power ground 14, the astern signal line being connect with astern signal line 15
Foot 25, the car accessories power supply wire pin 26 being connect with car accessories power supply line 16, and connect with automobile storage battery power supply line 17
Automobile storage battery power supply wire pin 27；The length of power ground pin 24 longest in each pin, by patch 1 and plug socket
It when 2 grafting, powers on, can avoid because of automobile storage battery power supply prior to automobile storage battery power supply wire pin 27 conducive to power ground pin 24
Wire pin 27 first powers on, and after power ground pin 24 when automobile storage battery power supply wire pin 27 powers on, the power supply of USB camera goes out
Existing biggish floating electrical interference, the stability for transmitting signal is poor, causes USB camera video image occur unstable or even lose
Phenomena such as effect, can effectively promote the stability of automobile rearview mirror mainboard connecting line transmission signal, so that promote USB camera can
By the quality of property and video image.
Embodiment two
Fig. 9 to Figure 10 is please referred to, is the second embodiment of vehicle-mounted dedicated connecting element provided by the invention, second implementation
The difference of example and above-mentioned first embodiment is, is additionally provided with USB ground wire 18, pin connector in mainboard patch 1 and extended line 2
20 further include the ground the USB connecting with USB ground wire 18 wire pin 28.Grafting hole seat 30 is also adapted with pin connector 20, setting with
USB wire pin 28 cooperate jack.
It is many related by Fig. 1 to Fig. 4 it is found that since the pin number of existing vehicle-mounted dedicated mainboard patch 91 is limited
Product uses molding pin line sequence, and power ground 14 and the power ground of USB camera share a power ground pin 24,
When therefore, by vehicle-mounted dedicated mainboard patch 91 and vehicle-mounted dedicated 92 grafting of extended line, in vapour after power ground pin 24
Automobile battery power supply wire pin 27 powers on, and is easy to cause the power supply of USB camera biggish floating electrical interference occur, transmits signal
Bad stability causes USB camera phenomena such as unstable video image or even failure occur；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 influenced to a certain extent vehicle-mounted
The consistency and reliability of dedicated connecting element, it is therefore, provided by the invention vehicle-mounted dedicated slotting on the basis of first embodiment
The second embodiment of wiring, USB ground wire 18 and USB has been separately provided wire pin 28.USB wire pin 28 draw with power ground
Foot 24 is isolated, and as an individual electrical network, when by 2 grafting of mainboard patch 1 and extended line, USB power supply has oneself
After individual ground wire, the moment of system power supply not will receive the high voltage interference of system in crosstalk on USB power source line 11, can keep away
There is biggish floating electrical interference in the power supply for exempting from USB camera, and the bad stability for transmitting signal causes USB camera to occur
Phenomena such as video image is unstable or even fails further promotes the stability of vehicle-mounted dedicated patch transmission signal, to mention
The quality of the video image of USB camera is risen, the consistency and reliability of vehicle-mounted dedicated connecting element are promoted.
Specifically, USB power source wire pin 21, cathode data wire pin 22, positive data wire pin 23, power ground pin
24, astern signal wire pin 25 and car accessories power supply wire pin 26 and automobile storage battery power supply wire pin 27 be around USB
Wire pin 28 is rounded to be uniformly distributed.
From the above technical scheme, the second embodiment of vehicle-mounted dedicated patch provided by the invention is implemented first
On the basis of example, wire pin 28 USB ground wire 18 and USB are set, when further avoiding 2 grafting of mainboard patch 1 and extended line,
There is biggish floating electrical interference in the power supply of USB camera, and the bad stability for transmitting signal causes USB camera to regard
Phenomena such as frequency image is unstable can effectively promote the stability of automobile rearview mirror mainboard connecting line transmission signal, to promote USB
The reliability of camera and the quality of video image promote the consistency and reliability of vehicle-mounted dedicated connecting element.
According to a second aspect of the embodiments of the present invention, a kind of automobile rearview mirror camera module is provided.
Figure 11 is please referred to, is automobile rearview mirror camera module provided in an embodiment of the present invention, comprising: vehicle-mounted dedicated grafting
Component, the USB extended line 100 being connect with vehicle-mounted dedicated connecting element, and the USB camera being connect with USB extended line 100
200, vehicle-mounted dedicated connecting element is any vehicle-mounted dedicated connecting element provided in an embodiment of the present invention.
From the 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 line 100, automobile rearview mirror mainboard 90 is connect with USB camera 200, vehicle-mounted dedicated grafting
Component includes mainboard patch 1 and extended line 2, and USB power source line 11, cathode data are provided in mainboard patch 1 and extended line 2
Line 12, positive data line 13, power ground 14, astern signal line 15, car accessories power supply line 16 and automobile storage battery power supply line
17.In mainboard patch 1 and extended line 2, wherein the end of a line is provided with pin connector 20, the end setting of another line
There is grafting hole seat 30 compatible with pin connector 20.Pin connector 20 includes: the USB power source line connecting with USB power source line 11
Pin 21, the cathode data wire pin 22 connecting with cathode data line 12, the positive data line connecting with positive data line 13 draw
Foot 23, the power ground pin 24 being connect with power ground 14, the astern signal wire pin 25 being connect with astern signal line 15, with
The car accessories power supply wire pin 26 that car accessories power supply line 16 connects, and the automobile electricity being connect with automobile storage battery power supply line 17
Bottle power supply wire pin 27；The length of power ground pin 24 longest in each pin, when by patch 1 and 2 grafting of plug socket,
It powers on, can avoid because of automobile storage battery power supply wire pin 27 prior to automobile storage battery power supply wire pin 27 conducive to power ground pin 24
It first powers on, after power ground pin 24 when automobile storage battery power supply wire pin 27 powers on, the power supply of USB camera occurs biggish
Floating electrical interference, the stability for transmitting signal is poor, and USB camera is caused phenomena such as video image is unstable occur, can be effective
The stability for promoting automobile rearview mirror mainboard connecting line transmission signal, to promote the reliability and video image of USB camera
Quality.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of vehicle-mounted dedicated connecting element, comprising: mainboard patch (1) and extended line (2)；
USB power source line (11), cathode data line (12), anode are provided in the mainboard patch (1) and the extended line (2)
Data line (13), power ground (14), astern signal line (15), car accessories power supply line (16) and automobile storage battery power supply 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 the compatible grafting hole seat (30) with the pin connector (20)；
The pin connector (20) include: the USB power source wire pin (21) being connect with the USB power source line (11), with it is described negative
The cathode data wire pin (22) of pole data line (12) connection, the positive data wire pin being connect with the positive data line (13)
(23), the power ground pin (24) being connect with the power ground (14), the reversing being connect with the astern signal line (15)
Signal wire pin (25), the car accessories power supply wire pin (26) being connect with the car accessories power supply line (16), and with institute
State the automobile storage battery power supply wire pin (27) of automobile storage battery power supply line (17) connection, which is characterized in that
The length of the power ground pin (24) be greater than it is following in any pin length: the USB power source wire pin (21),
The cathode data wire pin (22), the positive data wire pin (23), the power ground pin (24), 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 dedicated connecting element according to claim 1, which is characterized in that the USB power source wire pin (21), institute
State cathode data wire pin (22), the positive data wire pin (23), the power ground pin (24), the astern signal
Wire pin (25), the car accessories power supply wire pin (26) and the automobile storage battery power supply wire pin (27) length phase
Deng the length of the power ground pin (24) is 0.5mm~1.5mm longer than the length of the USB power source wire pin (21).
3. vehicle-mounted dedicated connecting element according to claim 2, which is characterized in that the mainboard patch (1) and described
It is additionally provided with USB ground wire (18) in extended line (2), the pin connector (20) further includes connecting with the USB ground wire (18)
The ground USB wire pin (28).
4. vehicle-mounted dedicated connecting element according to claim 3, which is characterized in that the USB power source line (11), described negative
The outside of pole data line (12), the positive data line (13) and the USB ground wire (18) is provided with shielded layer.
5. vehicle-mounted dedicated connecting element according to claim 1, which is characterized in that the mainboard patch (1) and described
Insulation impedance of the extended line (2) under 500V DC power supply is greater than or equal to 100M Ω.
6. vehicle-mounted dedicated connecting element according to claim 1, which is characterized in that the cathode data line (12) and described
The wire size specification of positive data line (13) is at least AWG28 line.
7. vehicle-mounted dedicated connecting element according to claim 1, which is characterized in that the wire size of the USB power source line (11)
Specification is AWB24 line.
8. vehicle-mounted dedicated connecting element according to claim 1, which is characterized in that the cathode data line (12) and described
The differential impedance of positive data line (13) and characteristic impedance are 90 Ω.
9. vehicle-mounted dedicated connecting element according to claim 1, which is characterized in that the cathode data line (12) and described
The D.C. resistance of positive data line (13) is less than or equal to 0.3 Ω.
10. a kind of automobile rearview mirror camera module, comprising: vehicle-mounted dedicated connecting element and the vehicle-mounted dedicated connecting element
The USB extended line (100) of connection, and the USB camera (200) being connect with the USB extended line (100), which is characterized in that
The vehicle-mounted dedicated connecting element is vehicle-mounted dedicated connecting element according to any one of claims 1 to 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 |
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| Publication Number | Publication Date |
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| CN106809141A CN106809141A (en) | 2017-06-09 |
| CN106809141B true CN106809141B (en) | 2019-07-05 |
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| CN205059424U (en) * | 2015-09-25 | 2016-03-02 | 刁基清 | Freight train, tractor image system of backing a car |
| CN205059420U (en) * | 2015-07-30 | 2016-03-02 | 深圳市艾米通信有限公司 | Intelligence rearview mirror system |
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|---|---|
| CN106809141A (en) | 2017-06-09 |
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