Integrated engine wire harness device

Abstract

The utility model relates to an integrated engine wire harness device. The integrated engine wire harness device comprises a wire harness body, a connecting plug interface of a wire harness and an engine control unit, a signal connecting interface and a wire harness fixing connecting piece, the wire harness body comprises a plurality of straight pipes, a plurality of bent pipes and a plurality of three-way pipes; the arrangement structure of the wire harness body is matched with the structure of an engine; one end of the wire harness body is provided with a connecting plug-in interface for connecting an engine control unit and transmitting a wire harness of an instruction of the engine control unit with the engine control unit, and the other end of the wire harness body is provided with a plurality of signal connecting interfaces; the wire harness body is provided with a wire harness fixing connecting piece used for fixing the wire harness. According to the utility model, the number of developed parts is reduced; the assemblability and serviceability are improved; the cost is reduced, and the assembly and service efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic control of vehicle engines, in particular to an integrated engine wiring harness device. Background Art

[0002] When the engine is matched with the customer's new car model, it is required to achieve the engine emission level to Euro 5 emission, use ADR generator and two-stage fuel filter, and minimize new development of engine parts design. The engine wiring harness needs to meet the above connection and assembly requirements, reliably transmit the engine control unit control signal to each sensor, and integrate the plug interface connected with the vehicle parts. In order to meet this requirement, the engine control unit software, calibration and engine wiring harness are usually redeveloped on the basis of the existing engine control unit, which will have a great impact on engine performance and reliability, and the implementation is difficult and has a long cycle. The existing solution transplantation uses mature engine control units of other platforms for adaptive development and calibration, keeping the engine sensors and positions unchanged.

[0003] The defects of the prior art are as follows:

[0004] 1. During the installation process, the connector connected to the pressure sensor in the wiring harness branch interferes with the connector connected to the engine control unit, and the wiring harness trunk interferes with the base of the two-stage fuel filter, which will cause the wiring harness to be unable to be assembled and is not convenient for after-sales service.

[0005] 2. Due to interference problems during the installation and layout process, the reliability of the connection between the wiring harness and the sensor and engine control unit is affected, thus leading to greater safety risks. Summary of the invention

[0006] In view of the above problems, the utility model provides an integrated engine wiring harness device, which aims to reduce the number of parts developed; improve assemblability and serviceability; reduce costs, and improve assembly and service efficiency.

[0007] In order to solve the above problems, the technical solution provided by the utility model is:

[0008] An integrated engine wiring harness device comprises a wiring harness body, a connection plug interface between the wiring harness and an engine control unit, a signal connection interface, and a wiring harness fixing connector, wherein: the wiring harness body comprises a plurality of straight tubes, a plurality of bent tubes, and a plurality of tee tubes; the arrangement structure of the wiring harness body matches the engine structure;

[0009] One end of the wiring harness body is provided with a connection plug interface between the wiring harness and the engine control unit for connecting the engine control unit and transmitting instructions from the engine control unit, and the other end is provided with a plurality of signal connection interfaces;

[0010] The wire harness body is provided with the wire harness fixing connector for fixing the wire harness.

[0011] Preferably, the signal connection interface comprises a wiring harness and a connection plug interface for connecting the generator and transmitting the signal and current of the generator; the arrangement structure of the wiring harness and the connection plug interface of the generator matches the structure of the generator.

[0012] Preferably, the signal connection interface includes a connection plug interface between a wiring harness and a pressure sensor for connecting the sensor and feedback pressure signals to the engine control unit; the arrangement structure of the connection plug interface between the wiring harness and the pressure sensor matches the structure of the sensor.

[0013] Preferably, the signal connection interface includes a connection plug interface between the wiring harness and the vehicle parts for connecting with the customer wiring harness and transmitting the vehicle signal to the engine control unit; the arrangement structure of the connection plug interface between the wiring harness and the vehicle parts matches the structure of the customer wiring harness.

[0014] Preferably, the signal connection interface includes a connection plug interface between a wiring harness and a speed sensor for connecting the speed sensor and feeding back the speed signal to the engine control unit; the arrangement structure of the connection plug interface between the wiring harness and the speed sensor matches the structure of the speed sensor.

[0015] Preferably, the signal connection interface includes a connection plug interface between a wiring harness and a temperature sensor for connecting the temperature sensor and feeding back the temperature signal to the engine control unit; the arrangement structure of the connection plug interface between the wiring harness and the temperature sensor matches the structure of the temperature sensor.

[0016] Preferably, the signal connection interface includes a connection plug interface between the wiring harness and the actuator for connecting the actuators of each part and transmitting engine control unit instructions to each part; the arrangement structure of the connection plug interface between the wiring harness and the actuator matches the structure of the actuator.

[0017] Preferably, a structure for the wiring harness to avoid the fuel filter seat is provided below the connection plug interface between the wiring harness and the engine control unit; the structure for the wiring harness to avoid the fuel filter seat matches the structure of the fuel filter seat.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] 1. Since the integrated engine wiring harness of the utility model is adaptively developed and calibrated by transplanting mature engine control units of other platforms, it can stably and accurately transmit signals between the engine control unit and sensors and actuators while keeping the positions of various engine sensors and actuators unchanged, thus reducing the number of parts developed.

[0020] 2. Since the utility model meets the clearance requirements with surrounding parts, it has good assemblability and serviceability.

[0021] 3. Since the utility model avoids the design and development of the cylinder block, fuel filter seat, sensor, and engine control unit software, it reduces costs and improves assembly and service efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of an integrated engine wiring harness device according to a specific embodiment of the utility model.

[0023] Among them: 1. Wire harness body, 2. Connection interface between wire harness and engine control unit, 3. Connection interface between wire harness and generator, 4. Connection interface between wire harness and pressure sensor, 5. Connection interface between wire harness and vehicle parts, 6. Wire harness fixing connector, 7. Structure of wire harness avoiding fuel filter seat, 8. Connection interface between wire harness and speed sensor, 9. Connection interface between wire harness and temperature sensor, 10. Connection interface between wire harness and actuator, 11. Signal connection interface, 1.1. Straight pipe, 1.2. Bend pipe, 1.3. Three-way pipe. DETAILED DESCRIPTION

[0024] The present invention is further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0025] like Figure 1 As shown, the integrated engine wiring harness device includes a wiring harness body 1, a connection plug interface 2 between the wiring harness and the engine control unit, a signal connection interface 11, and a wiring harness fixed connector 6, wherein: the wiring harness body 1 includes a plurality of straight pipes 1.1, a plurality of bent pipes 1.2, and a plurality of three-way pipes 1.3; the arrangement structure of the wiring harness body 1 matches the engine structure.

[0026] One end of the wiring harness body 1 is provided with a wiring harness and engine control unit connection plug interface 2 for connecting the engine control unit and transmitting instructions of the engine control unit, and the other end is provided with a plurality of signal connection interfaces 11.

[0027] The wire harness body 1 is provided with a wire harness fixing connector 6 for fixing the wire harness and preventing it from swinging.

[0028] It should be noted that the wire harness body 1 is used to maintain the shape of the wire harness to make it look beautiful.

[0029] It should be noted that the engine control unit is arranged horizontally facing backwards, one end of the wiring harness body 1 is connected to the engine control unit, and the other end is a plurality of branches respectively connected to the ADR generator, various sensors and actuators; the trunk of the wiring harness body 1 is fixed to the stud bolts of the engine control unit and the engine cylinder block, transmitting the engine control unit instructions to the ADR generator, various actuators and feeding back the sensor signals to the engine control unit to enable the normal operation of the engine.

[0030] It should be noted that the signal connection interface 11 includes a wiring harness and a generator connection plug interface 3 for connecting the generator and transmitting the signal and current of the generator; the arrangement structure of the wiring harness and the generator connection plug interface 3 matches the structure of the generator.

[0031] It should be further explained that the signal connection interface 11 includes a wiring harness and a connection plug interface 4 for connecting the sensor and the feedback pressure signal to the engine control unit and the pressure sensor; the arrangement structure of the wiring harness and the connection plug interface 4 for the pressure sensor matches the structure of the sensor.

[0032] It should be further explained that the signal connection interface 11 includes a connection plug interface 5 between the wiring harness and vehicle parts, which is used to connect with the customer wiring harness and transmit the vehicle signal to the engine control unit; the arrangement structure of the connection plug interface 5 between the wiring harness and vehicle parts matches the structure of the customer wiring harness.

[0033] It should be further explained that the signal connection interface 11 includes a wiring harness and a connection plug interface 8 for connecting the speed sensor and feeding back the speed signal to the engine control unit; the arrangement structure of the wiring harness and the connection plug interface 8 for the speed sensor matches the structure of the speed sensor.

[0034] It should be further explained that the signal connection interface 11 includes a wiring harness and a temperature sensor connection plug interface 9 for connecting the temperature sensor and feeding back the temperature signal to the engine control unit; the arrangement structure of the wiring harness and the temperature sensor connection plug interface 9 matches the structure of the temperature sensor.

[0035] It should be further explained that the signal connection interface 11 includes a connection plug interface 10 between the wiring harness and the actuator for connecting the actuators of the various parts and transmitting engine control unit instructions to the various parts; the arrangement structure of the connection plug interface 10 between the wiring harness and the actuator matches the structure of the actuator.

[0036] It should be further explained that the connection plug interface 10 between the wiring harness and the actuator transmits the engine control unit command to make the part move.

[0037] It should be noted that a structure 7 for avoiding the fuel filter seat is provided below the connection plug interface 2 between the wiring harness and the engine control unit; the structure 7 for avoiding the fuel filter seat matches the structure of the fuel filter seat.

[0038] It should be further explained that the structure 7 for the wiring harness to avoid the fuel filter seat is used to solve the interference problem with the fuel filter seat, thereby facilitating assembly.

[0039] In the above detailed description, various features are grouped together in a single embodiment to simplify the disclosure. This method of disclosure should not be interpreted as reflecting an intention that the embodiments of the claimed subject matter require more features than are clearly stated in each claim. On the contrary, as reflected in the appended claims, the invention is in a state of having less than all the features of the disclosed individual embodiments. Therefore, the appended claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

[0040] The disclosed embodiments are described above to enable any person skilled in the art to implement or use the present invention. Various modifications of these embodiments are obvious to those skilled in the art, and the general principles defined herein may also be applied to other embodiments without departing from the spirit and scope of the present disclosure. Therefore, the present disclosure is not limited to the embodiments given herein, but is consistent with the broadest scope of the principles and novel features disclosed in this application.

[0041] The above description includes examples of one or more embodiments. Of course, it is not possible to describe all possible combinations of components or methods for the purpose of describing the above embodiments, but it should be recognized by those skilled in the art that the various embodiments may be further combined and arranged. Therefore, the embodiments described herein are intended to cover all such changes, modifications and variations that fall within the scope of protection of the appended claims. In addition, with respect to the term "comprising" used in the specification or claims, the word is covered in a manner similar to the term "including", just as "including," is explained as a transitional word in the claims. In addition, any term "or" used in the specification of the claims is intended to mean "non-exclusive or".

[0042] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An integrated engine wiring harness device, characterized in that: The invention comprises a wiring harness body (1), a connection plug interface (2) between the wiring harness and an engine control unit, a signal connection interface (11), and a wiring harness fixing connector (6), wherein: the wiring harness body (1) comprises a plurality of straight tubes (1.1), a plurality of bent tubes (1.2), and a plurality of three-way tubes (1.3); and the arrangement structure of the wiring harness body (1) matches the engine structure; One end of the wiring harness body (1) is provided with a connection plug interface (2) between the wiring harness and the engine control unit for connecting the engine control unit and transmitting instructions from the engine control unit, and the other end is provided with a plurality of signal connection interfaces (11); The wire harness body (1) is provided with the wire harness fixing connector (6) for fixing the wire harness.

2. The integrated engine wiring harness device according to claim 1, characterized in that: The signal connection interface (11) comprises a wiring harness and a generator connection plug interface (3) for connecting the generator and transmitting signals and currents of the generator; the arrangement structure of the wiring harness and the generator connection plug interface (3) matches the structure of the generator.

3. The integrated engine wiring harness device according to claim 2, characterized in that: The signal connection interface (11) comprises a connection plug interface (4) of a wiring harness and a pressure sensor for connecting the sensor and feeding back the pressure signal to the engine control unit; the arrangement structure of the connection plug interface (4) of the wiring harness and the pressure sensor matches the structure of the sensor.

4. The integrated engine wiring harness device according to claim 3, characterized in that: The signal connection interface (11) comprises a connection plug interface (5) between the wiring harness and the vehicle parts for connecting with the customer wiring harness and transmitting the vehicle signal to the engine control unit; the arrangement structure of the connection plug interface (5) between the wiring harness and the vehicle parts matches the structure of the customer wiring harness.

5. The integrated engine wiring harness device according to claim 4, characterized in that: The signal connection interface (11) comprises a wiring harness and a connection plug interface (8) for connecting the rotation speed sensor and feeding back the rotation speed signal to the engine control unit; the arrangement structure of the wiring harness and the connection plug interface (8) for the rotation speed sensor matches the structure of the rotation speed sensor.

6. The integrated engine wiring harness device according to claim 5, characterized in that: The signal connection interface (11) comprises a wiring harness and a temperature sensor connection plug interface (9) for connecting the temperature sensor and feeding back the temperature signal to the engine control unit; the arrangement structure of the wiring harness and the temperature sensor connection plug interface (9) matches the structure of the temperature sensor.

7. The integrated engine wiring harness device according to claim 6, characterized in that: The signal connection interface (11) comprises a connection plug interface (10) between a wiring harness and an actuator for connecting the actuators of the various parts and transmitting engine control unit instructions to the various parts; the arrangement structure of the connection plug interface (10) between the wiring harness and the actuator matches the structure of the actuator.

8. The integrated engine wiring harness device according to claim 7, characterized in that: A wiring harness avoiding fuel filter seat structure (7) for avoiding the fuel filter seat is provided below the connection plug interface (2) between the wiring harness and the engine control unit; the wiring harness avoiding fuel filter seat structure (7) matches the structure of the fuel filter seat.

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