11-gear integrated AMT wire harness assembly

Abstract

The utility model provides an 11-gear integrated AMT wire harness assembly which is used for solving the problems that a wire harness plug of an existing AMT wire harness is prone to loosening, the wire harness swings or is in poor contact under the complex road condition, and the technical problem that when the whole wire harness is installed in a transmission shell, maintenance operation is tedious when part of the wire harness breaks down. The wiring harness assembly comprises an external wiring harness assembly, an internal wiring harness assembly and a cylinder penetrating connector, and the external wiring harness assembly and the internal wiring harness assembly are designed in a split mode, are fixed to the exterior and the interior of a gearbox shell respectively and are connected through the cylinder penetrating connector; and the external wire harness group is easy to replace, so that the tedious steps of replacing the whole wire harness and disassembling the gearbox due to the damage of the external wire harness group are avoided.

Description

Technical Field

[0001] The utility model relates to an AMT wiring harness, in particular to an 11-speed integrated AMT wiring harness assembly. Background Art

[0002] Currently, AMT (Automatic Mechanical Transmission) technology for commercial vehicles both domestically and internationally has reached a mature stage, with remarkably stable performance. Modular AMT technology is widely used in existing technologies, separating the transmission, controller, and actuator, making the shift actuator, clutch actuator, and sensors modular components within the transmission itself. However, this split design increases the number of components, requiring them to be connected via wiring harnesses, resulting in numerous wiring harnesses and cumbersome plug connections.

[0003] Chinese patent CN105097082 discloses a 16-speed automatic transmission (AMT) wiring harness that integrates the transmission's electrical components (solenoid valves, sensors, etc.) into a single bus harness and centrally arranges them in a single electrical connector, the transmission electrical connector. In use, the transmission electrical connector only needs to be connected to the TCU and the vehicle. However, its disadvantage is that the transmission electrical connector is fixedly mounted inside the AMT transmission. If part of the wiring harness fails, the entire transmission housing needs to be removed for inspection, which is a cumbersome operation.

[0004] In complex road conditions, the transmission is often subjected to strong vibrations during driving. Over time, the wiring harness connector can easily become loose, and the wiring harness itself can also experience movement and poor contact. AMTs require stringent control of sensor signals such as speed and displacement. A wiring harness failure can lead to signal transmission anomalies, impacting transmission performance and functionality. Therefore, ensuring the robustness and stability of the AMT wiring harness is crucial. Utility Model Content

[0005] The purpose of the utility model is to solve the problems of the existing AMT wiring harness such as the wiring harness plug being easy to loosen, the wiring harness swinging or poor contact under complex road conditions, and the technical problem that the wiring harness is installed as a whole inside the transmission housing, and the maintenance operation is relatively cumbersome when part of the wiring harness fails. An 11-speed integrated AMT wiring harness assembly is proposed.

[0006] In order to solve the above technical problems, the technical solutions provided by the present invention are as follows:

[0007] An 11-speed integrated AMT wiring harness assembly, which is special in that it includes a cylinder connector, an external wiring harness group, an internal wiring harness group, a first wiring harness bracket, and a second wiring harness bracket;

[0008] The through-cylinder connector comprises a through-cylinder connector internal end and a through-cylinder connector external end, which are respectively located inside and outside the transmission housing; the through-cylinder connector internal end and the through-cylinder connector external end are correspondingly connected;

[0009] The external wiring harness assembly includes a transmission controller plug connector connected to the transmission controller, an intermediate shaft speed sensor plug connector connected to the intermediate shaft speed sensor, an output shaft speed sensor plug connector connected to the output shaft speed sensor, and an external wiring harness; the transmission controller plug connector is respectively connected to the intermediate shaft speed sensor plug connector, the output shaft speed sensor plug connector, and the external end of the cylinder connector through the external wiring harness, so as to realize power supply and signal transmission from the transmission controller to the intermediate shaft speed sensor and the output shaft speed sensor;

[0010] The built-in wiring harness group includes a front auxiliary box displacement sensor plug-in connector connected to the front auxiliary box displacement sensor, an input shaft speed sensor plug-in connector connected to the input shaft speed sensor, a clutch displacement sensor plug-in connector connected to the clutch displacement sensor, a front auxiliary box solenoid valve plug-in connector connected to the front auxiliary box solenoid valve, and an internal wiring harness; the front auxiliary box displacement sensor plug-in connector, the input shaft speed sensor plug-in connector, the clutch displacement sensor plug-in connector and the front auxiliary box solenoid valve plug-in connector are respectively connected to the built-in end of the cylinder connector through the internal wiring harness; and are used to realize power supply and signal transmission from the transmission controller to the front auxiliary box displacement sensor, the input shaft speed sensor, the clutch displacement sensor and the front auxiliary box solenoid valve;

[0011] The outer wire harness and the inner wire harness are respectively fixed in a first wire harness bracket and a second wire harness bracket, and the first wire harness bracket and the second wire harness bracket are respectively fixed to the outside and the inside of the transmission case.

[0012] Furthermore, the outer wiring harness and the inner wiring harness are sequentially provided with a conductor layer, a shielding insulation layer, a waterproof layer and an anti-wear layer from the inside to the outside.

[0013] Furthermore, the conductor layer adopts a twisted pair design; the shielding insulation layer adopts PVC polyvinyl chloride material; the waterproof layer adopts PE polyethylene material; and the anti-wear layer adopts wear-resistant tape.

[0014] Furthermore, the external wiring harness includes a first branch line, a second branch line and multiple third branch lines; the transmission controller plug-in connector is connected to multiple pins on the external end of the cylinder connector through multiple third branch lines, is connected to the intermediate shaft speed sensor plug-in connector through the first branch line, and is connected to the output shaft speed sensor plug-in connector through the second branch line.

[0015] Furthermore, the external wiring harness group further includes a wiring harness label, which is installed on the external wiring harness and is used to fill in wiring harness information.

[0016] Furthermore, the number of pins on the internal end of the through-cylinder connector, the front auxiliary box displacement sensor plug connector, and the front auxiliary box solenoid valve plug connector is respectively greater than the number of pins required to connect the corresponding internal wiring harness;

[0017] The number of pins on the external end of the through-cylinder connector is greater than the number of pins required to connect to the corresponding external wiring harness.

[0018] Furthermore, the outer wiring harness and the inner wiring harness are fixed in the first wiring harness bracket and the second wiring harness bracket respectively by buckles and cable ties, and the first wiring harness bracket and the second wiring harness bracket are fixed to the outside and inside of the gearbox housing respectively by bolts.

[0019] Beneficial effects of the utility model:

[0020] 1. The utility model includes an external wiring harness group, an internal wiring harness group and a cylinder connector. The external wiring harness group and the internal wiring harness group are split designs, respectively fixed to the outside and inside of the gearbox housing, and connected through the cylinder connector; the external wiring harness group is easy to replace, avoiding the tedious steps of replacing the entire wiring harness and disassembling the gearbox due to damage to the external wiring harness group.

[0021] 2. The outer and inner wiring harnesses of this utility model are connected to the first and second wiring harness brackets via buckles and cable ties, respectively. The first and second wiring harness brackets are fixed to the outside and inside of the transmission housing. The secure mounting structure and rational layout ensure that the wiring harnesses are not susceptible to swinging and improve overall stability. This solves the high failure rate of modular AMT wiring harnesses.

[0022] 3. The outer harness and inner harness in the present invention are waterproof and wear-resistant, and can withstand wet conditions in harsh environments.

[0023] 4. In the present invention, redundant space is reserved for the built-in end of the through-cylinder connector, the external end of the through-cylinder connector, the front auxiliary box displacement sensor plug-in connector and the front auxiliary box solenoid valve plug-in connector, which can be used together with the mechanical design structure to realize the function of the 12-speed controller wiring harness when necessary.

[0024] 5. In the present invention, the front auxiliary box displacement sensor plug-in connector and the front auxiliary box solenoid valve plug-in connector are designed as separate parts, which increases the safety redundancy of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a structural schematic diagram of an embodiment of an 11-speed integrated AMT wiring harness assembly of the present utility model;

[0026] Figure 2 This is a cross-sectional view of the wiring harness in an embodiment of an 11-speed integrated AMT wiring harness assembly of the present invention.

[0027] Description of reference numerals:

[0028] 10-Transmission controller connector; 11-Intermediate shaft speed sensor connector; 12-Output shaft speed sensor connector; 13-External end of the through-cylinder connector; 14-Wire harness label; 15-Internal end of the through-cylinder connector; 16-Front auxiliary box displacement sensor connector; 17-Input shaft speed sensor connector; 18-Clutch displacement sensor connector; 19-Front auxiliary box solenoid valve connector; 2-External wiring harness, 21-Wire layer, 22-Shielding insulation layer, 23-Waterproof layer, 24-Anti-wear layer. DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0030] The utility model is an 11-speed integrated AMT wiring harness assembly, such as Figure 1 As shown, it includes an external wiring harness group, an internal wiring harness group, a through-cylinder connector, and a first wiring harness bracket and a second wiring harness bracket. The through-cylinder connector includes an internal through-cylinder connector end 15 and an external through-cylinder connector end 13, which are located inside and outside the transmission case, respectively. The internal through-cylinder connector end 15 and the external through-cylinder connector end 13 are interconnected. The external wiring harness group is connected to the external through-cylinder connector end 13, and the internal wiring harness group is connected to the internal through-cylinder connector end 15. The wiring harnesses in the external wiring harness group and the internal wiring harness group are fixed to the inside and outside of the transmission case, respectively, by the first wiring harness bracket and the second wiring harness bracket.

[0031] The external wiring harness assembly includes, in sequence, a transmission controller connector 10, a wiring harness label 14, an intermediate shaft speed sensor connector 11, an output shaft speed sensor connector 12, and an external wiring harness 2. The external end 13 of the through-cylinder connector is mounted on the outside of the transmission housing. The transmission controller connector 10 connects to the integrated actuator in the transmission, providing power to the integrated actuator and sending control commands from the transmission controller. It is also responsible for feeding the integrated actuator's output signals back to the transmission controller.

[0032] The external wiring harness 2 includes a first branch line, a second branch line, and multiple third branch lines. The transmission controller connector 10 is connected to the multiple pins on the external end 13 of the through-cylinder connector via these third branch lines. The external wiring harness 2 is secured to the first wiring harness bracket with clips. The first wiring harness bracket is bolted to the outside of the transmission housing to ensure stable wiring harness attachment. A wiring harness label 14 is attached to the external wiring harness 2 and is used to enter information such as the wiring harness part number and batch number.

[0033] The intermediate shaft speed sensor plug connector 11 is connected to the intermediate shaft speed sensor and is also connected to the transmission controller plug connector 10 through a first branch line. It is used to transmit control commands of the transmission controller to the intermediate shaft speed sensor and to feed back the output signal of the intermediate shaft speed sensor to the transmission controller. At the same time, the transmission controller supplies power to the intermediate shaft speed sensor.

[0034] The output shaft speed sensor plug connector 12 is connected to the output shaft speed sensor, and is also connected to the transmission controller plug connector 10 through a second branch line, for transmitting the control command of the transmission controller to the output shaft speed sensor, and feeding back the output signal of the output shaft speed sensor to the transmission controller; at the same time, the transmission controller supplies power to the output shaft speed sensor.

[0035] The built-in wiring harness group includes the front auxiliary box displacement sensor plug connector 16, the input shaft speed sensor plug connector 17, the clutch displacement sensor plug connector 18, the front auxiliary box solenoid valve plug connector 19, and multiple internal wiring harnesses;

[0036] The 11-speed AMT mechanical structure adopted in this embodiment is a 2×3×2 structure, which includes an external front auxiliary box. Therefore, the internal wiring harness needs to adaptably add a front auxiliary box displacement sensor plug-in connector 16 and a front auxiliary box solenoid valve plug-in connector 19 in the transmission housing to realize the control function of the front auxiliary box.

[0037] The front auxiliary box displacement sensor plug-in connector 16 is connected to the front auxiliary box displacement sensor. The front auxiliary box displacement sensor plug-in connector 16 is connected to the built-in end 15 of the through-cylinder connector through the internal wiring harness, and is connected to the transmission controller plug-in connector 10 through the built-in end 15 of the through-cylinder connector and the external end 13 of the through-cylinder connector. It is used to transmit the control command of the transmission controller to the front auxiliary box displacement sensor and to feed back the output signal of the front auxiliary box displacement sensor to the transmission controller; at the same time, the transmission controller supplies power to the front auxiliary box sensor.

[0038] The input shaft speed sensor plug-in connector 17 is connected to the input shaft speed sensor. The input shaft speed sensor plug-in connector 17 is connected to the built-in end 15 of the through-cylinder connector through the internal wiring harness, and is connected to the transmission controller plug-in connector 10 through the built-in end 15 of the through-cylinder connector and the external end 13 of the through-cylinder connector. It is used to transmit the control command of the transmission controller to the input shaft speed sensor and to feed back the output signal of the input shaft speed sensor to the transmission controller; at the same time, the transmission controller supplies power to the input shaft speed sensor.

[0039] The clutch displacement sensor plug-in connector 18 is connected to the clutch displacement sensor. The clutch displacement sensor plug-in connector 18 is connected to the built-in end 15 of the through-cylinder connector through the internal wiring harness, and is connected to the transmission controller plug-in connector 10 through the built-in end 15 of the through-cylinder connector and the external end 13 of the through-cylinder connector. It is used to transmit the control command of the transmission controller to the clutch displacement sensor and to feed back the output signal of the clutch displacement sensor to the transmission controller; at the same time, the transmission controller supplies power to the clutch displacement sensor.

[0040] The front auxiliary box solenoid valve plug-in connector 19 is connected to the front auxiliary box solenoid valve. The front auxiliary box solenoid valve plug-in connector 19 is connected to the built-in end 15 of the cylinder connector through the internal wiring harness, and is connected to the transmission controller plug-in connector 10 through the built-in end 15 of the cylinder connector and the external end 13 of the cylinder connector. It is used to transmit the control command of the transmission controller to the front auxiliary box solenoid valve, and to feed back the output signal of the front auxiliary box solenoid valve to the transmission controller; at the same time, the transmission controller supplies power to the front auxiliary box solenoid valve.

[0041] The number of pins on the built-in end 15 of the through-cylinder connector, the front auxiliary box displacement sensor plug-in connector 16 and the front auxiliary box solenoid valve plug-in connector 19 is greater than the number of pins required for the internal wiring harness connection; the number of pins on the external end 13 of the through-cylinder connector is greater than the number of pins required for the external wiring harness 2 connection, leaving redundant space, which can be used together with the mechanical design structure to realize the function of the 12-speed controller wiring harness when necessary.

[0042] The inner wiring harness is fixed in the second wiring harness bracket by a buckle, and the second wiring harness bracket is fixed to the inside of the gearbox housing by bolts to ensure the stability of the wiring harness fixation.

[0043] like Figure 2 The figure shows a cross-section of the outer and inner wiring harnesses 2. From the inside out, the outer and inner wiring harnesses 2 and 2 comprise a conductor layer 21, a shielding insulation layer 22, a waterproof layer 23, and an anti-wear layer 24. The conductor layer 21 utilizes a twisted-pair design to protect the harness conductors. The shielding insulation layer 22 is constructed of PVC polyvinyl chloride to protect the harness from electromagnetic interference and exhibits excellent anti-electromagnetic interference performance. The waterproof layer 23 is constructed of PE polyethylene, exhibiting excellent waterproof properties and suitable for use in the harsh operating environment of the transmission. The anti-wear layer 24 utilizes wear-resistant tape, exhibiting excellent wear resistance. This prevents damage to the harness from dry abrasion between the harness and the transmission, harness bracket, or other vehicle components, thereby reducing the probability of transmission failure.

Claims

1. An 11-speed integrated AMT wiring harness assembly, characterized by: It includes a cylinder connector, an external wiring harness group, an internal wiring harness group, a first wiring harness bracket and a second wiring harness bracket; The through-cylinder connector comprises a through-cylinder connector internal end (15) and a through-cylinder connector external end (13) respectively located inside and outside the transmission housing; the through-cylinder connector internal end (15) and the through-cylinder connector external end (13) are correspondingly connected; The external wiring harness group comprises a transmission controller plug connector (10) connected to the transmission controller, an intermediate shaft speed sensor plug connector (11) connected to the intermediate shaft speed sensor, an output shaft speed sensor plug connector (12) connected to the output shaft speed sensor, and an external wiring harness (2); the transmission controller plug connector (10) is respectively connected to the intermediate shaft speed sensor plug connector (11), the output shaft speed sensor plug connector (12) and the external end (13) of the cylinder connector through the external wiring harness (2), so as to realize power supply and signal transmission from the transmission controller to the intermediate shaft speed sensor and the output shaft speed sensor; The built-in wiring harness group includes a front auxiliary box displacement sensor plug-in connector (16) connected to the front auxiliary box displacement sensor, an input shaft speed sensor plug-in connector (17) connected to the input shaft speed sensor, a clutch displacement sensor plug-in connector (18) connected to the clutch displacement sensor, a front auxiliary box solenoid valve plug-in connector (19) connected to the front auxiliary box solenoid valve, and an internal wiring harness; the front auxiliary box displacement sensor plug-in connector (16), the input shaft speed sensor plug-in connector (17), the clutch displacement sensor plug-in connector (18) and the front auxiliary box solenoid valve plug-in connector (19) are respectively connected to the internal end (15) of the cylinder connector through the internal wiring harness; and are used to realize power supply and signal transmission from the transmission controller to the front auxiliary box displacement sensor, the input shaft speed sensor, the clutch displacement sensor and the front auxiliary box solenoid valve; The outer wire harness and the inner wire harness are respectively fixed in a first wire harness bracket and a second wire harness bracket, and the first wire harness bracket and the second wire harness bracket are respectively fixed to the outside and the inside of the transmission case.

2. The 11-speed integrated AMT wiring harness assembly according to claim 1, characterized in that: The outer wiring harness (2) and the inner wiring harness are sequentially provided with a conductor layer (21), a shielding insulation layer (22), a waterproof layer (23) and an anti-wear layer (24) from the inside to the outside.

3. The 11-speed integrated AMT wiring harness assembly according to claim 2, characterized in that: The conductor layer (21) adopts a twisted pair design; the shielding insulation layer (22) adopts PVC polyvinyl chloride material; the waterproof layer (23) adopts PE polyethylene material; and the anti-wear layer (24) adopts wear-resistant tape.

4. The 11-speed integrated AMT wiring harness assembly according to claim 2 or 3, characterized in that: The external wiring harness (2) includes a first branch line, a second branch line, and a plurality of third branch lines; the transmission controller plug connector (10) is connected to a plurality of pins of an external end (13) of a through-cylinder connector via the plurality of third branch lines, is connected to an intermediate shaft speed sensor plug connector (11) via the first branch line, and is connected to an output shaft speed sensor plug connector (12) via the second branch line.

5. The 11-speed integrated AMT wiring harness assembly according to claim 4, characterized in that: The outer wiring harness group further comprises a wiring harness label (14), which is mounted on the outer wiring harness (2) and is used to fill in wiring harness information.

6. The 11-speed integrated AMT wiring harness assembly according to claim 5, characterized in that: The pin numbers of the cylinder-penetrating connector internal end (15), the front auxiliary box displacement sensor plug connector (16), and the front auxiliary box solenoid valve plug connector (19) are respectively greater than the pin numbers required for connecting the corresponding internal wiring harness; The number of pins on the external end (13) of the through-cylinder connector is greater than the number of pins required to connect to the corresponding external wiring harness (2).

7. The 11-speed integrated AMT wiring harness assembly according to claim 6, characterized in that: The outer wiring harness and the inner wiring harness are fixed in the first wiring harness bracket and the second wiring harness bracket respectively through buckles and cable ties, and the first wiring harness bracket and the second wiring harness bracket are fixed to the outside and inside of the transmission case respectively through bolts.

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