CN218101977U - Car key signal switching device and electric vehicle - Google Patents
Car key signal switching device and electric vehicle Download PDFInfo
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- CN218101977U CN218101977U CN202222451865.2U CN202222451865U CN218101977U CN 218101977 U CN218101977 U CN 218101977U CN 202222451865 U CN202222451865 U CN 202222451865U CN 218101977 U CN218101977 U CN 218101977U
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Abstract
The utility model discloses a car key signal switching device and electric vehicle, wherein this car key signal switching device is connected with a recorder, and this car key signal switching device includes: the first switching wire harness is used for receiving the CAN signal/Flexray signal, switching the CAN signal/Flexray signal and transmitting the signal to the recorder; the second switching wire harness is used for receiving the Ethernet signal, switching the Ethernet signal and transmitting the Ethernet signal to the recorder; and the third switching wire harness is used for receiving the high-voltage battery signal, switching the high-voltage battery signal and transmitting the high-voltage battery signal to the recorder. The automobile key signal switching device realizes switching of automobile key signals.
Description
Technical Field
The utility model relates to an automobile test technical field, concretely relates to car key signal switching device and electric vehicle.
Background
In the early stage of each new project of a certain automobile brand, the automobile needs to be subjected to endurance test, some automobile faults are frequently happened in the test, but not all the faults can be subjected to background recording by fault codes. Aiming at the problems, the difficulty of reproduction in reality is high, and certain contingency exists. These problems are often very critical issues in automobiles, and can result in vehicle recall in the event of inattention. It is therefore essential to add a device for recording data in real time to a test vehicle to avoid missing fault codes. The recorder for recording data is a purchasable device, but the switching wiring harness for switching data from vehicles needs to be customized according to different vehicles, and in the past, the switching wiring harness can only be modified by foreign teams, but is limited by a series of factors such as secrecy of foreign technologies, long period, high price and the like, and the development of a set of self-designed switching wiring harness is urgent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car key signal switching device for realize the switching to car key signal.
In order to achieve the above object, the utility model provides a car key signal switching device is connected with a recorder, and this car key signal switching device includes:
the first switching wire harness is used for receiving the CAN signal/Flexray signal, switching the CAN signal/Flexray signal and transmitting the signal to the recorder;
the second switching wire harness is used for receiving the Ethernet signal, switching the Ethernet signal and transmitting the Ethernet signal to the recorder; and
and the third switching wire harness is used for receiving the high-voltage battery signal, switching the high-voltage battery signal and transmitting the high-voltage battery signal to the recorder.
In an embodiment of the key signal switching device for an automobile of the present invention, the first switching harness includes a first terminal, a first connector, a second connector, an interconnection point, and an adapter plug, which are connected in sequence; one end of the first terminal is inserted in the vehicle, the other end of the first terminal is connected with the first connector, one end of the adaptive plug is connected with the interconnection point, and the other end of the adaptive plug is inserted in the recorder.
Car key signal switching device, in an embodiment, the one end of this first terminal is detachable pegs graft on the vehicle, the other end of this adaptation plug is detachable pegs graft in this recorder.
Car key signal switching device, in an embodiment, this second switching pencil includes: the first connector, the first Ethernet harness, the first adaptive plug, the second Ethernet harness and the second connector are connected in sequence; one end of the first connector is inserted into the vehicle, the other end of the first connector is connected with the first Ethernet wiring harness, one end of the second connector is connected with the second Ethernet wiring harness, and the other end of the second connector is connected with the recorder.
Car key signal switching device, in an embodiment, this first adaptation plug, second adaptation plug are connected with the plug-in slot mode of adaptation.
Car key signal switching device, in an embodiment, the one end of this first connector is detachable pegs graft on the vehicle, the other end of this second connector is detachable connects in this recorder.
Car key signal switching device, in an embodiment, this third switching pencil includes: the second terminal, waterproof stifled, the third adaptation plug that connect gradually, wherein, the one end of this second terminal is connected in the battery management system of vehicle, and waterproof stifled is connected to the other end, and this waterproof stifled is connected to the one end of this third adaptation plug, and the other end is connected in this recorder.
Car key signal switching device, in an embodiment, the one end of this second terminal is detachable connects in the battery management system of vehicle, the other end of this third adaptation plug is detachable connects in this recorder.
Car key signal switching device, in an embodiment, this waterproof stifled diameter is 31mm.
Another object of the present invention is to provide an electric vehicle, wherein the key signal switching device is detachably disposed in the electric vehicle.
Adopt technical scheme, the utility model discloses a beneficial technological effect lies in:
the utility model provides a car key signal switching device has realized the switching to car Can/Flexray signal, on-vehicle ethernet signal, high-voltage battery signal and power and ground, and these signals carry out the switching to the customer's car simultaneously and do not destroy the original spare part of vehicle.
Further, the utility model also provides an electric vehicle, electric vehicle is configured as above arbitrary car key signal switching device realizes the switching of car key signal through car key signal switching device.
Further, the utility model also provides a method is laid to car key signal switching device's route, and this route is laid the method and can be directed against certain brand car and carry out the customization route planning, does not influence the automobile appearance, and is convenient for demolish after the use.
Drawings
Fig. 1 is a schematic diagram of the key signal switching device of the present invention.
Fig. 2 is a schematic view of a first transfer harness structure of the present invention.
Fig. 3 is a schematic diagram of a second switching harness structure according to the present invention.
Fig. 4 is a schematic diagram of a third adapting wire harness structure of the present invention.
Fig. 5 is a schematic diagram of the route layout of the key signal switching device of the present invention.
Wherein, the reference numbers:
100 \ 8230and key signal switching device for automobile
10 \ 8230and the first switching wire harness
20 \ 8230and second switching wire harness
30-8230and third switching wire harness
40 \ 8230and recorder
101, 8230first terminal
102 \ 8230and the first connector
103 \ 8230and a second connector
104 \ 8230and interconnection point
105 \ 8230and adaptive plug
201 \ 8230and first connector
202 \ 8230and the first Ethernet wire harness
203 \ 8230and first adaptive plug
204 \ 8230and a second adaptive plug
205 \ 8230and a second ethernet harness
206 \ 8230and a second connector
300 \ 8230and electric vehicle
301 8230a second terminal
302\8230andwaterproof plug
303 \ 8230a third adaptive plug
(1) - (7) \8230position
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
The utility model discloses there is not localization car key signal switching device to certain brand car, use current clearance part redesign to carry out the switching to required key signal. The wiring harness in the vehicle is arranged without being exposed and leaked, the appearance is not influenced, the wiring harness can be conveniently disassembled after the test, and the functions of the vehicle and other parts are not influenced. The technical solution of the present invention is further described in detail with reference to some embodiments.
As shown in fig. 1, it is a schematic diagram of the key signal switching device of the present invention. In fig. 1, a key signal relay device 100 of an automobile is connected to a recorder 40, and the key signal relay device 100 of an automobile includes a first relay harness 10, a second relay harness 20, and a third relay harness 30. The first switching harness 10 switches the CAN signal/Flexray signal, the switched signal is transmitted to the recorder 40, the second switching harness 20 switches the Ethernet signal, the switched signal is transmitted to the recorder 40, the third switching harness 30 switches the high-voltage battery signal, the switched signal is transmitted to the recorder 40, and the recorder 40 receives the signals switched from the first switching harness 10, the second switching harness 20 and the third switching harness 30 and records the signals.
As shown in fig. 2, it is a schematic diagram of a first transfer terminal structure of the present invention. Referring to fig. 1 and 2, the first switching harness 10 is used for switching CAN/Flexray signals. In one embodiment, the first switching harness 10 comprises a first terminal 101, a first connector 102, a second connector 103, an interconnection point 104, and an adapter plug 105, which are connected in sequence, wherein one end of the first terminal 101 is detachably connected to a control unit (not shown) of a vehicle for receiving a CAN signal/Flexray signal, and the other end is connected to the first connector 102. One end of the adaptive plug 105 is connected with the interconnection point 104, the other end is detachably plugged in the recorder 40, and the recorder 40 collects/records the CAN signal/Flexray signal. In this way, the first switching harness 10 is detachably connected to the control unit, so that the first switching harness 10 CAN receive the CAN signal/Flexray signal and also CAN be disconnected from the control unit; the first relay harness 10 is detachably connected to the recorder 40, so that the CAN signal/Flexray signal is relayed by the first relay harness 10 and then transmitted to the recorder 40, and the connection with the recorder 40 CAN be released.
In an embodiment of the utility model, because do not have redundant design and need guarantee that the signal is complete in the car to CAN signal Flexray signal in the vehicle, first switching pencil 10 adopts public/female plug to carry out the switching with required signal to get up signal UNICOM through the articulated elements. In this way, the in-vehicle CAN signal/Flexray signal CAN be transferred to the recorder 40 without affecting the transmission of the in-vehicle signal.
Compared with the prior art, the utility model discloses a detachable connected mode of first switching pencil 10 and the control unit, recorder 40 for first switching pencil 10 does not influence the vehicle part state after not using, and conveniently demolishs.
As shown in fig. 3, the structure of the second adapting wire harness of the present invention is schematically illustrated. Referring to fig. 1 and 3, a second patch cord 20 is used for patch-connection of ethernet signals. In one embodiment, the second patch harness 20 includes a first connector 201, a first ethernet harness 202, a first mating plug 203, a second mating plug 204, a second ethernet harness 205, and a second connector 206, which are connected in sequence. One end of the first connector 201 is detachably plugged in the vehicle for receiving the vehicle-mounted ethernet signal, and the other end is connected with the first ethernet harness 202. In a more preferred embodiment, the first adaptive plug 203 and the second adaptive plug 204 are connected in an adaptive plug-in slot mode. One end of the second connector 206 is connected to the second ethernet harness 205, and the other end is detachably connected to the recorder 40, so that the recorder 40 collects/records the vehicle-mounted ethernet signals.
Further, one end of the first connector 201 is detachably plugged on the vehicle, so that the second switching harness 20 can receive the ethernet signal and can also be disconnected from the vehicle; the other end of the second connector 206 is detachably connected to the recorder 40, so that the ethernet signal is transmitted to the recorder 40 after being relayed by the second relay harness 20, and the connection with the recorder 40 can be released.
Compared with the prior art, the utility model discloses a first adaptation plug 203, second adaptation plug 204 adopt the adaptation to insert the slot mode and connect, can establish ties the ethernet signal, and such connected mode neither influences the ethernet signal in the car, can carry out data record in transferring the recorder 40 with the ethernet signal again. And, the utility model discloses a second switching pencil 20 and vehicle, recorder 40's detachable connected mode for second switching pencil 20 does not influence the vehicle part state after not using, and conveniently demolishs.
As shown in fig. 4, the third adaptor harness structure of the present invention is schematically illustrated. Referring to fig. 1 and 4, a third adapting harness 30 is used for adapting the high voltage battery signal. In one embodiment, the third patch harness 30 includes a second terminal 301, a waterproof plug 302, and a third mating plug 303 connected in series. Wherein, one end of the second terminal 301 is detachably connected to a Battery Management System (BMS) of the vehicle for receiving a high voltage battery signal, and the other end is connected to the waterproof plug 302. One end of the third adaptive plug 303 is connected with the waterproof plug 302, the other end is detachably connected with the recorder 40, and the recorder 40 collects/records the high-voltage battery signal.
Further, one end of the second terminal 301 is detachably connected to the BMS of the vehicle, so that the third relay harness 30 can receive the high voltage battery signal and also can be released from the connection with the vehicle; the other end of the third adapter plug 303 is detachably connected to the recorder 40, so that the high voltage battery signal is transmitted to the recorder 40 after being transferred through the third adapter harness 30, and the connection with the recorder 40 can be released.
Generally speaking, the high voltage battery signal is a signal which is not needed by a customer vehicle, and the high voltage battery signal can be directly transferred without other positions, and generally, the high voltage battery signal is directly transferred by the BMS. In some embodiments, because the BMS is in the bottom of the vehicle, the third transit harness 30 needs to pass through the body panel beating and enter the vehicle, the utility model discloses a waterproof plug 302 connects second terminal 301, third adaptation plug 303 for the third transit harness 30 that passes the vehicle body has waterproof effect. In a more preferred embodiment, the diameter of the waterproof plug 302 is 31mm.
Compared with the prior art, the utility model discloses a chooseing for use waterproof stifled 302 to connect second terminal 301, third adaptation plug 303 and make the third switching pencil 30 that passes the automobile body have waterproof effect. And, the utility model discloses a third switching pencil 30 and the BMS of vehicle, the detachable connected mode of record ware 40 for third switching pencil 30 does not influence the vehicle parts state after not using, and conveniently demolishs.
As shown in fig. 5, it is a schematic diagram of the route layout of the key signal switching device of the present invention. Referring to fig. 5 in conjunction with fig. 1-4, the present invention further designs the wiring harness to extend to the entire trunk path through the rear seats along both sides of the vehicle, and generally, the electric vehicle 300 includes a head, a body, and a trunk in appearance. In fig. 5, three dashed boxes from left to right correspond to the front, the body, and the rear.
In an embodiment of the present invention, the first, second, and third adapting wire harnesses 10, 20, and 30 of the automotive key signal adapting device 100 are detachably disposed in the electric vehicle 300, and the detailed structures of the first, second, and third adapting wire harnesses 10, 20, and 30 are described with reference to fig. 2, 3, and 4, respectively, and will not be described again here.
The first relay harness 10, the second relay harness 20, and the third relay harness 30 are routed in the electric vehicle 300 as follows:
in fig. 5, (1), (2), (3), (4), (5), (6), (7) represent seven different positions in the electric vehicle 300, where positions (1), (2), (3), (4), (5) are provided in the vehicle body, (1) represents a position corresponding to below the a-pillar on the right side of the vehicle body, (2) represents a position corresponding to below the center display of the vehicle body, (3) represents a position corresponding to below the a-pillar on the left side of the vehicle body, (4), (5) represents two different positions below the rear seat of the vehicle body, and positions (6), (7) are provided in the trunk.
In an embodiment of the present invention, the solid line corresponding to the position (1) to the position (7) is a routing path of the first transit harness 10 and the second transit harness 20, that is, any one or both of the first transit harness 10 and the second transit harness 20 can be routed on the routing path; the solid line corresponding to the position (2) to the position (7) is a routing path of the first transit harness 10 and the second transit harness 20, that is, either one or both of the first transit harness 10 and the second transit harness 20 can be routed on the routing path; the solid line corresponding to the position (3) to the position (7) is a routing path of the first transit harness 10 and the second transit harness 20, that is, either one or both of the first transit harness 10 and the second transit harness 20 may be routed on the routing path. The routing mode of the first transit harness 10 and the second transit harness 20 can be set according to the requirements and/or different vehicle types.
In another embodiment of the present invention, the first switching harness 10 includes a first portion and a second portion, the first portion is used for switching the CAN signal, and the second portion is used for switching the FlexRay signal. A solid line corresponding to the position (1) to the position (7) is a first part of the layout path, and a solid line corresponding to the position (3) to the position (7) is a second part of the layout path; or, the solid line corresponding to the position (1) to the position (7) is the layout path of the second portion, and the solid line corresponding to the position (3) to the position (7) is the layout path of the first portion. In other embodiments, the routing path of the first portion or the second portion may be a solid line corresponding to the position (2) to the position (7). The arrangement mode of the first part and the second part can be set according to the requirements and/or different vehicle types.
In an embodiment of the present invention, the position (4) represents a transfer position where the original redundant fuse box of the vehicle supplies power, and is disposed below the rear seat of the vehicle body, and the specific selection of the position (4) can be set according to different vehicle types.
In an embodiment of the present invention, position (5) represents a starting point of a routing path of the third switching harness 30 in the vehicle body, a solid line corresponding to position (5) to position (7) is the routing path of the third switching harness 30, and the specific selection of position (5) can be set according to different vehicle types.
In an embodiment of the utility model, position (6) represent power ground connection position, and the concrete selection of position (6) can be set for according to different motorcycle types, and position (7) represent the adaptation plug of pencil and link to each other with external equipment.
By adopting the path arrangement mode, the situation that the wireless beam is exposed after each wire harness is added into the vehicle can be ensured, the overall appearance of the electric vehicle 300 is not influenced, and no noise is generated in the running process of the electric vehicle 300.
Further, as above the route mode of laying is only a specific embodiment, the utility model discloses can match different motorcycle types according to the different pencil mode of laying of different motorcycle types customization, this mode of laying can utilize the current interior trim apron of vehicle to hide the pencil.
The embodiment of the utility model discloses a time of test equipment preparation has been shortened greatly, saves more time for endurance test. The utility model discloses the applied material is the spare part of releasing, need not extra purchase, compares import switching device, and the cost has been practiced thrift 10 times. And simultaneously, not influencing the vehicle function, also can not causing any destruction to the vehicle, the vehicle can resume to normal condition after the test, just the device can also used repeatedly on other vehicles. By switching the key signals of the automobile, a large number of problems are solved in the trial assembly stage, so that the smooth production of the automobile is greatly guaranteed.
Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it is intended that all such modifications and variations be considered within the spirit or scope of the present invention as defined by the appended claims.
Claims (10)
1. An automobile key signal switching device is connected with a recorder, and is characterized by comprising:
the first switching wire harness is used for receiving the CAN signal/Flexray signal, switching the CAN signal/Flexray signal and transmitting the signal to the recorder;
the second switching wire harness is used for receiving the Ethernet signal, switching the Ethernet signal and transmitting the Ethernet signal to the recorder; and
and the third switching wire harness is used for receiving the high-voltage battery signal, switching the high-voltage battery signal and transmitting the high-voltage battery signal to the recorder.
2. The automotive key signal switching device according to claim 1, wherein the first switching harness comprises a first terminal, a first connector, a second connector, an interconnection point, and an adapter plug which are connected in sequence; one end of the first terminal is inserted in the vehicle, the other end of the first terminal is connected with the first connector, one end of the adaptive plug is connected with the interconnection point, and the other end of the adaptive plug is inserted in the recorder.
3. The automotive key signal adapter of claim 2, wherein one end of the first terminal is detachably connected to the vehicle, and the other end of the adapter plug is detachably connected to the recorder.
4. The automotive critical signal relay unit of claim 1, wherein the second relay harness comprises: the first connector, the first Ethernet wire harness, the first adaptive plug, the second Ethernet wire harness and the second connector are connected in sequence; one end of the first connector is inserted into the vehicle, the other end of the first connector is connected with the first Ethernet wiring harness, one end of the second connector is connected with the second Ethernet wiring harness, and the other end of the second connector is connected with the recorder.
5. The automotive critical signal transfer device of claim 4, wherein the first and second mating plugs are connected in a mating receptacle.
6. The automotive key signal switching device of claim 4, wherein one end of the first connector is detachably connected to the vehicle, and the other end of the second connector is detachably connected to the recorder.
7. The automotive critical signal relay unit of claim 1, wherein the third relay harness comprises: the battery management system of vehicle, the waterproof stifled, the third adaptation plug that connect gradually, wherein, the one end of this second terminal is connected in the battery management system of vehicle, and the waterproof stifled of other end connection, this waterproof stifled is connected to the one end of this third adaptation plug, and the other end is connected in this recorder.
8. The automotive critical signal transfer device of claim 7, wherein one end of the second terminal is removably connected to a battery management system of the vehicle and the other end of the third mating plug is removably connected to the recorder.
9. The automotive critical signal relay unit of claim 7, wherein the waterproof plug has a diameter of 31mm.
10. An electric vehicle, characterized in that the automotive key signal relay unit according to any one of claims 1 to 9 is detachably disposed in the electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222451865.2U CN218101977U (en) | 2022-09-16 | 2022-09-16 | Car key signal switching device and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222451865.2U CN218101977U (en) | 2022-09-16 | 2022-09-16 | Car key signal switching device and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218101977U true CN218101977U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222451865.2U Active CN218101977U (en) | 2022-09-16 | 2022-09-16 | Car key signal switching device and electric vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN218101977U (en) |
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2022
- 2022-09-16 CN CN202222451865.2U patent/CN218101977U/en active Active
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