CN216848544U - A tee bend structure for automobile parts debugging - Google Patents
A tee bend structure for automobile parts debugging Download PDFInfo
- Publication number
- CN216848544U CN216848544U CN202122908174.6U CN202122908174U CN216848544U CN 216848544 U CN216848544 U CN 216848544U CN 202122908174 U CN202122908174 U CN 202122908174U CN 216848544 U CN216848544 U CN 216848544U
- Authority
- CN
- China
- Prior art keywords
- wire harness
- ecu
- terminal
- equipment
- automobile parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 claims description 6
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 claims description 6
- 102100021133 Nuclear protein 1 Human genes 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 14
- 230000006978 adaptation Effects 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
A three-way structure for debugging automobile parts is respectively connected with a CAN equipment end wire harness, a single ECU end wire harness and a whole automobile end wire harness in a wire form; and the following two mutually exclusive working state connections are formed in a circuit switching mode: one is the connection between the CAN equipment end wire harness and the single ECU end wire harness; the other is the connection of a CAN equipment end wire harness, a single ECU end wire harness and a whole vehicle end wire harness. According to the three-way structure for debugging the automobile parts, the connection between the CAN equipment terminal wire harness and the terminal wire harness to be tested is established in a wiring mode, the risk that pins are influenced and even damaged due to frequent operation of plug-in connection is avoided, the test is guaranteed and facilitated, exclusive switching between a single machine mode and a network mode CAN be realized through self line switching operation, and meanwhile, corresponding adaptation is provided for an ECU terminal with the terminal resistor and an ECU terminal without the terminal resistor through the peripheral and adjustable terminal resistor.
Description
Technical Field
The utility model belongs to the field of automobile performance testing and diagnosis, and particularly relates to a three-way structure for debugging automobile parts.
Background
Tee bend equipment is the important equipment that whether spare part supplier investigated to be the singleton problem, and this equipment can switch over singleton mode and whole car system mode, but tee bend equipment is all directly equipment at present, directly equipment directly make the input and output ratio be one to more equipment through physics directly, and this equipment needs manual plug connector, because partial automobile parts arrange in narrow and small space, blind plug leads to the connector stitch to be crooked easily, damages the connector, arouses unnecessary trouble, influences troubleshooting efficiency. In addition, other controllers on the CAN bus in the whole vehicle system mode CAN provide terminal resistance for the CAN bus, but in the single machine mode, if the terminal resistance does not exist in the target ECU, the terminal resistance needs to be increased for the normal bus communication.
The application numbers are: 202021389603.2, discloses a test tool of vehicle-mounted information entertainment system, which sets a transfer port on the transfer plate, the first transfer joint is installed on the transfer port, the test port is arranged on the first transfer joint, which plays the role of transfer, and solves the problem that some interfaces on the automobile multimedia are positioned in the hidden place on the operation table or under the cover plate, which is inconvenient for test, or interfere with other structures during test, the test tool is convenient for test, the shape of the tested sample piece can not be considered, the compatibility of the test tool is increased, and the test efficiency is improved; in addition, set up a plurality of switching interfaces on the keysets, but the first adaptor that has different test interface of change on the switching interface, first adaptor passes through patch cord and car multimedia interface connection to realize the test of the interface of car multimedia different grade type.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a three-way structure for debugging automobile parts, which has the following technical scheme:
the utility model provides a tee bend structure for automobile parts debugging which characterized in that:
the single-piece ECU end wiring harness is connected with the CAN equipment end wiring harness, the single-piece ECU end wiring harness and the whole vehicle end wiring harness in a wire form; and the following two mutually exclusive working state connections are formed in a circuit switching mode:
one is the connection between the CAN equipment terminal wire harness and the single ECU terminal wire harness;
the other is the connection of a CAN equipment end wire harness, a single ECU end wire harness and a whole vehicle end wire harness.
The utility model discloses a three-way structure for debugging automobile parts, which is characterized in that:
when in a connection state of both the CAN device terminal harness and the one-piece ECU terminal harness,
a termination resistor is also serially connected in the path.
The utility model discloses a three-way structure for debugging automobile parts, which is characterized in that:
the terminal resistor is an adjustable resistor.
The utility model discloses a three-way structure for debugging automobile parts, which is characterized in that:
the three-way structure is a double-channel relay arranged among a CAN equipment end wire harness, a single ECU end wire harness and a whole vehicle end wire harness,
Two control signal input ends of the double-channel relay are connected to a DIO port of the CAN equipment in parallel;
a common end COM1 in a first group of contacts of the dual-channel relay is connected to a CAN low line in an ECU end wiring harness, a normally open end NO1 is suspended, and a normally closed end NC1 is connected to a CAN low line in a finished vehicle end wiring harness;
and a common end COM2 in a second group of contacts of the dual-channel relay is connected to a CAN high line in an ECU end wire harness, a normally open end NO2 is suspended, and a normally closed end NC2 is connected to the CAN high line of the whole vehicle end wire harness.
The utility model discloses a three-way structure for debugging automobile parts, which is characterized in that:
the normally open end NO1 and the normally open end NO2 are connected by a terminating resistor.
The utility model discloses a three-way structure for debugging automobile parts, which is characterized in that:
the terminal resistor is an adjustable resistor or is arranged in a replaceable manner.
The utility model discloses a three-way structure for debugging automobile parts, which is characterized in that:
and the grounding end of the double-channel relay is connected with the GND end of the CAN equipment.
According to the three-way structure for debugging the automobile parts, the connection between the CAN equipment terminal wire harness and the terminal wire harness to be tested is established in a wiring mode, the risk that pins are influenced and even damaged due to frequent operation of plug-in connection is avoided, the test is guaranteed and facilitated, exclusive switching between a single machine mode and a network mode CAN be realized through self line switching operation, and meanwhile, corresponding adaptation is provided for an ECU terminal with the terminal resistor and an ECU terminal without the terminal resistor through the peripheral and adjustable terminal resistor.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a physical connection according to the present invention.
Detailed Description
The three-way structure for debugging automobile parts according to the present invention will be further described in detail with reference to the drawings and the detailed description.
A three-way structure for debugging automobile parts,
the single-piece ECU terminal wiring harness is connected with the CAN equipment terminal wiring harness, the single-piece ECU terminal wiring harness and the whole vehicle terminal wiring harness in a wire form; and the following two mutually exclusive working state connections are formed in a circuit switching mode:
one is the connection between the CAN equipment terminal wire harness and the single ECU terminal wire harness;
the other is the connection of a CAN equipment end wire harness, a single ECU end wire harness and a whole vehicle end wire harness.
Wherein,
when in a connection state of both the CAN device terminal harness and the one-piece ECU terminal harness,
a termination resistor is also serially connected in the path.
Wherein,
the terminal resistor is an adjustable resistor.
Wherein,
the three-way structure is a double-channel relay arranged among a CAN equipment end wire harness, a single ECU end wire harness and a whole vehicle end wire harness,
two control signal input ends of the double-channel relay are connected to a DIO port of the CAN equipment in parallel;
A common end COM1 in a first group of contacts of the dual-channel relay is connected to a CAN low line in an ECU end wiring harness, a normally open end NO1 is suspended, and a normally closed end NC1 is connected to the CAN low line in a whole vehicle end wiring harness;
and a common end COM2 in a second group of contacts of the dual-channel relay is connected to a CAN high line in an ECU end wire harness, a normally open end NO2 is suspended, and a normally closed end NC2 is connected to the CAN high line of the whole vehicle end wire harness.
Wherein,
the normally open end NO1 is connected to the normally open end NO2 via a terminating resistor.
Wherein,
the terminal resistor is an adjustable resistor or is arranged in a replaceable manner.
Wherein,
and the grounding end of the double-channel relay is connected with the GND end of the CAN equipment.
Working process, principle and embodiment
As shown in fig. 1 and 2, the three-way structure for debugging automobile parts realizes the switching of two working modes, namely, the connection of a single-piece ECU end wire harness alone with a CAN equipment end wire harness or the connection of the ECU end wire harness and a whole automobile end wire harness with the CAN equipment end wire harness, by switching a circuit, and establishes different adaptations of the single-piece ECU end with a terminal resistor and the single-piece ECU end without the terminal resistor by externally connecting and additionally arranging an adjustable or replaceable terminal resistor. NC1 is connected with an automobile end CAN _ L, COM1 is connected with an ECU end CAN _ L, NO1 is connected with one end of a terminal resistor, NC2 is connected with an automobile end CAN _ H, COM2 is connected with an ECU end CAN _ H, NO2 is connected with the other end of the terminal resistor, an upper computer is connected with CAN equipment, a GND end of the CAN equipment is connected with a relay-GND end, a DIO end of the CAN equipment is connected with relays IN1 and IN2, a CAN _ H end of the CAN equipment is connected with the ECU end CAN _ H, and a CAN _ L end of the CAN equipment is connected with the ECU end CAN _ L. When the upper computer controls the CAN equipment to transmit a 5V high level to the control signal input ends IN1 and IN2 of the dual-channel relay through the DIO end, the COM1 is communicated with the NO1 connecting wire, and the COM2 is communicated with the NO2 connecting wire to form a single-unit mode that a single-unit ECU end wire bundle is independently connected; when the upper computer controls the CAN equipment not to transmit the 5V high level to the control signal input ends IN1 and IN2 of the dual-channel relay through the DIO end, the COM1 is conducted with the NC1, and the COM2 is conducted with the NC2 at the moment, so that a network mode that both the single ECU end wiring harness and the automobile end wiring harness are connected is formed.
According to the three-way structure for debugging the automobile parts, the connection between the CAN equipment terminal wire harness and the terminal wire harness to be tested is established in a wiring mode, the risk that pins are influenced and even damaged due to frequent operation of plug-in connection is avoided, the test is guaranteed and facilitated, exclusive switching between a single machine mode and a network mode CAN be realized through self line switching operation, and meanwhile, corresponding adaptation is provided for an ECU terminal with the terminal resistor and an ECU terminal without the terminal resistor through the peripheral and adjustable terminal resistor.
Claims (7)
1. The utility model provides a tee bend structure for automobile parts debugging which characterized in that:
the single-piece ECU end wiring harness is connected with the CAN equipment end wiring harness, the single-piece ECU end wiring harness and the whole vehicle end wiring harness in a wire form; and the following two mutually exclusive working state connections are formed in a circuit switching mode:
one is the connection between the CAN equipment terminal wire harness and the single ECU terminal wire harness;
the other is the connection of the CAN equipment end wire harness, the single ECU end wire harness and the whole vehicle end wire harness.
2. The three-way structure for debugging automobile parts according to claim 1, wherein:
when in the connection state of both the CAN device end harness and the single-piece ECU end harness,
A termination resistor is also serially connected in the path.
3. The three-way structure for debugging automobile parts as claimed in claim 2, wherein:
the terminal resistor is an adjustable resistor.
4. The three-way structure for debugging automobile parts as claimed in claim 1, wherein:
the three-way structure is a double-channel relay arranged among a CAN equipment end wire harness, a single ECU end wire harness and a whole vehicle end wire harness,
two control signal input ends of the double-channel relay are connected to a DIO port of the CAN equipment in parallel;
a common end COM1 in a first group of contacts of the dual-channel relay is connected to a CAN low line in an ECU end wiring harness, a normally open end NO1 is suspended, and a normally closed end NC1 is connected to a CAN low line in a finished vehicle end wiring harness;
and a common end COM2 in a second group of contacts of the dual-channel relay is connected to a CAN high line in an ECU end wire harness, a normally open end NO2 is suspended, and a normally closed end NC2 is connected to the CAN high line of the whole vehicle end wire harness.
5. The three-way structure for debugging automobile parts according to claim 4, wherein:
the normally open end NO1 and the normally open end NO2 are connected by a terminating resistor.
6. The three-way structure for debugging automobile parts according to claim 5, wherein:
The terminal resistor is an adjustable resistor or is arranged in a replaceable manner.
7. The three-way structure for debugging automobile parts as claimed in claim 4, wherein:
and the grounding end of the double-channel relay is connected with the GND end of the CAN equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122908174.6U CN216848544U (en) | 2021-11-24 | 2021-11-24 | A tee bend structure for automobile parts debugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122908174.6U CN216848544U (en) | 2021-11-24 | 2021-11-24 | A tee bend structure for automobile parts debugging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216848544U true CN216848544U (en) | 2022-06-28 |
Family
ID=82104627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122908174.6U Active CN216848544U (en) | 2021-11-24 | 2021-11-24 | A tee bend structure for automobile parts debugging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216848544U (en) |
-
2021
- 2021-11-24 CN CN202122908174.6U patent/CN216848544U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201562166U (en) | Signal transfer device | |
| CN102970086B (en) | Device, system and method for switching testing signal channel | |
| CN201247297Y (en) | Test device for multi-core cable connecting line | |
| CN101937038A (en) | Intelligent multi-core cable harness detection device | |
| CN210038539U (en) | Hardware-in-loop test system capable of adapting to multiple controllers | |
| CN204203760U (en) | Fault simulation circuit and CAN RTA reliability test assembly | |
| CN211603501U (en) | Input/output signal fault simulation device of sensor or actuator | |
| CN111586131A (en) | Vehicle-mounted Ethernet fault injection test device and test method | |
| CN110855515A (en) | Vehicle-mounted CAN network test auxiliary device | |
| CN201307060Y (en) | OBD communication diagnostic test station | |
| CN209642687U (en) | T-BOX terminal and CAN network go offline detection device | |
| CN216848544U (en) | A tee bend structure for automobile parts debugging | |
| CN103064399A (en) | Breakdown simulation analyzing device used for vehicle diagnosis | |
| CN210776308U (en) | Automobile controller test monitoring line structure | |
| CN210168053U (en) | Automatic test system for automobile Ethernet | |
| CN211454363U (en) | Universal automobile fault diagnosis and detection system | |
| CN206020563U (en) | Signal adapting device and the fault diagnosis system including signal adapting device | |
| CN209327868U (en) | The test macro of Vehicle Controller | |
| CN201506311U (en) | Communication integrated wiring harness device for vehicle diagnosis | |
| CN101368997A (en) | Automatic detection bench and method for leader cable of vehicle and motorcycle | |
| CN201561855U (en) | Complete vehicle analogue signal wiring device for experimental platform | |
| CN201527458U (en) | Conductor bundle detecting device | |
| CN216956764U (en) | Pin switching circuit and fault diagnosis device of OBD interface | |
| CN107885190A (en) | Electric automobile function test system | |
| CN210668925U (en) | Communication harness, simulation test equipment and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |