Electro-hydraulic light truck AMT connecting wire harness

Abstract

The utility model belongs to the field of connecting wire harnesses, and particularly relates to an electro-hydraulic light truck AMT connecting wire harness. The wiring harness comprises an electro-hydraulic AMT vehicle end plug, a wiring harness body and a modular AMT gearbox end plug. The electro-hydraulic AMT whole vehicle end plug is connected to one end of the wire harness body and used for being connected with an electro-hydraulic AMT TCU end plug in an inserted mode. Two branch lines are led out from the other end of the wire harness body, and one branch line is a power line used for being connected to a whole vehicle battery. The modularized AMT gearbox end plug is connected to the end portion of the other branch line and used for being connected with a modularized AMT whole vehicle end plug in an inserted mode. According to the wiring harness provided by the utility model, rapid and reliable connection between an electro-hydraulic AMT and a modular AMT vehicle can be realized; a power line is led out to be independently connected with a whole vehicle battery, and stable power supply is provided for the TCU.

Description

TECHNICAL FIELD

[0001] The utility model relates to a connecting wire harness, in particular to an electro-hydraulic light truck AMT connecting wire harness. BACKGROUND

[0002] AMT is a gearbox device controlled by TCU (automatic gearbox control unit) and capable of realizing automatic gear shifting according to vehicle running state and vehicle driving road environment, and the whole vehicle wire harness connects other control units and TCU of the whole vehicle together through CAN line in addition to supplying power to TCU.

[0003] The electro-hydraulic AMT features using hydraulic actuator, which has fast response speed and high control precision, thus having great application prospect.

[0004] The existing light truck commercial vehicle using pneumatic AMT needs to use multiple wire harnesses for connection conversion when replacing electro-hydraulic AMT, which has the problems of complex connection, high cost and low reliability.

[0005] Chinese patent CN221067981U discloses a commercial vehicle integrated medium truck AMT adapter wire harness, which adopts modular AMT gearbox end plug inserted at one end with vehicle whole vehicle end plug, and is electrically connected at the other end with integrated AMT whole vehicle end plug, and the integrated AMT whole vehicle end plug is inserted with integrated AMT TCU end plug.

[0006] However, the above wire harness can only realize the connection between integrated AMT and whole vehicle, and cannot realize the connection between electro-hydraulic AMT and vehicle equipped with modular AMT. UTILITY MODEL CONTENTS

[0007] The utility model aims at solving the technical problems of existing electro-hydraulic AMT needing to use multiple wire harnesses for connection conversion, complex connection, high cost and low reliability, and provides an electro-hydraulic light truck AMT connecting wire harness.

[0008] The utility model has the following inventive concept:

[0009] Firstly, it is clear that the TCU on the modular AMT vehicle currently running in the market is connected with the whole vehicle through a set of 25pin connectors, and secondly, it is clear that the latest electro-hydraulic AMT realizes the connection between TCU and whole vehicle through a set of 58pin connectors.

[0010] Finally, a conversion wire harness is designed from the electro-hydraulic TCU end 58-pin plug (9-1563172-9) to the modular AMT gearbox end 25-pin plug (ITT 132025-000), and two wires (KL30 and KL31) are additionally led out as the live wire and the zero wire as the power supply wires to be connected to the positive and negative poles of the vehicle battery, so as to realize the conversion of the electro-hydraulic AMT on the originally assembled modular AMT vehicle in a case that the vehicle chassis wire harness is unchanged, and at a low cost.

[0011] To achieve the above object, the technical scheme adopted by the utility model is:

[0012] The electro-hydraulic light truck AMT connecting wire harness is characterized in that:

[0013] The electro-hydraulic AMT vehicle end plug, the wire harness body and the modular AMT gearbox end plug are included.

[0014] The electro-hydraulic AMT vehicle end plug is connected to one end of the wire harness body and is used for plug-in connection with the electro-hydraulic AMT TCU end plug.

[0015] The other end of the wire harness body leads out two branch wires, and one of them is a power supply wire and is used for connection to the vehicle battery.

[0016] The modular AMT gearbox end plug is connected to the end of the other branch wire and is used for plug-in connection with the modular AMT vehicle end plug.

[0017] Further, the interface of the electro-hydraulic AMT vehicle end plug is 58-pin, and the interface of the modular AMT gearbox end plug is 25-pin.

[0018] The 1st pin, the 2nd pin, the 3rd pin, the 4th pin, the 5th pin, the 6th pin, the 7th pin, the 20th pin, the 33rd pin and the 46th pin of the electro-hydraulic AMT vehicle end plug are connected with the power supply wire.

[0019] The corresponding relationship of each pin between the electro-hydraulic AMT vehicle end plug and the modular AMT gearbox end plug is as follows:

[0020] The 17th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 5th pin of the modular AMT gearbox end plug.

[0021] The 18th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 12th pin of the modular AMT gearbox end plug.

[0022] The 29th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 22nd pin of the modular AMT gearbox end plug.

[0023] The 32nd pin of the electro-hydraulic AMT vehicle end plug corresponds to the 15th pin of the modular AMT gearbox end plug;

[0024] The 34th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 20th pin of the modular AMT gearbox end plug;

[0025] The 35th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 13th pin of the modular AMT gearbox end plug;

[0026] The 36th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 11th pin of the modular AMT gearbox end plug;

[0027] The 37th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 8th pin of the modular AMT gearbox end plug;

[0028] The 40th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 19th pin of the modular AMT gearbox end plug;

[0029] The 47th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 10th pin of the modular AMT gearbox end plug;

[0030] The 48th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 9th pin of the modular AMT gearbox end plug;

[0031] The 49th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 7th pin of the modular AMT gearbox end plug;

[0032] The 50th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 6th pin of the modular AMT gearbox end plug;

[0033] The 53rd pin of the electro-hydraulic AMT vehicle end plug corresponds to the 16th pin of the modular AMT gearbox end plug;

[0034] The 54th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 21st pin of the modular AMT gearbox end plug;

[0035] The 55th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 18th pin of the modular AMT gearbox end plug;

[0036] The 56th pin of the electro-hydraulic AMT vehicle end plug corresponds to the 17th pin of the modular AMT gearbox end plug.

[0037] The power supply line is composed of a KL30 line and a KL31 line, and the KL30 line and the KL31 line are respectively connected to the positive and negative poles of the vehicle battery;

[0038] The 4th pin, the 5th pin, the 6th pin, the 33rd pin and the 46th pin of the electro-hydraulic AMT whole vehicle end plug are connected with KL30 line; the 1st pin, the 2nd pin, the 3rd pin, the 7th pin and the 20th pin of the electro-hydraulic AMT whole vehicle end plug are connected with KL31 line.

[0039] Further, the power line is welded by KL30 line and KL31 line.

[0040] Further, the connection part of the wire harness body and the electro-hydraulic AMT whole vehicle end plug and the connection part of the modular AMT gearbox end plug and the corresponding branch line are fastened by the fixing member.

[0041] Further, the fixing member is a self-locking cable tie.

[0042] The beneficial effects of the utility model are:

[0043] (1) low cost, avoiding the change of chassis wire harness in the replacement process;

[0044] (2) easy to install, only need to plug the corresponding connector;

[0045] (3) fast and efficient, the replacement process is simple and efficient;

[0046] (4) good universality, suitable for different light truck models of various host factories in the current market to replace electro-hydraulic AMT;

[0047] (5) safe and reliable, the wire harness is welded into single wire, and the welding is firm and reliable in insulation;

[0048] (6) high stability, the power line is connected with the whole vehicle battery separately, and stable power supply is provided for TCU; BRIEF DESCRIPTION OF DRAWINGS

[0049] Figure 1 It is the structure schematic diagram of the utility model embodiment.

[0050] In the figure: 1-electro-hydraulic AMT whole vehicle end plug, 2-wire harness body, 3-modular AMT gearbox end plug, 4-self-locking cable tie, 5-power line. DETAILED DESCRIPTION

[0051] In order to make the purpose, advantages and characteristics of the utility model more clear, the following combines the drawings and specific embodiments to make further detailed description to the electro-hydraulic light truck AMT connecting wire harness proposed by the utility model. According to the following specific embodiments, the advantages and characteristics of the utility model will be clearer.

[0052] Referring to Figure 1The embodiment is an electro-hydraulic light truck AMT connecting wire harness, mainly comprising an electro-hydraulic AMT whole vehicle end plug 1, a wire harness body 2 and a modular AMT gearbox end plug 3.

[0053] The interface of the electro-hydraulic AMT whole vehicle end plug 1 is 58pin, which is plugged with an electro-hydraulic AMT TCU end plug in use to realize the connection of the whole vehicle and the modular AMT TCU; the interface of the modular AMT gearbox end plug 3 is 25pin, which is plugged with a modular AMT whole vehicle end plug in use to realize the connection of the vehicle originally equipped with the modular AMT and the electro-hydraulic AMT.

[0054] The electro-hydraulic AMT whole vehicle end plug 1 is connected to one end of the wire harness body 2, the other end of the wire harness body 2 leads out two branch lines, and one of them is a power line 5 for connecting to the whole vehicle battery to supply power to the TCU; the modular AMT gearbox end plug 3 is connected to the end of the other branch line, and the connection between the wire harness body 2 and the electro-hydraulic AMT whole vehicle end plug 1 and the connection between the modular AMT gearbox end plug 3 and the corresponding branch line are all tightened by self-locking straps 4

[0055] Specifically, the power line 5 is a single-strand wire welded by KL30 wire (fire wire) and KL31 wire (zero wire), which is firm and reliable in insulation, and the single-strand wire is used as a power supply line, and the KL30 wire and the KL31 wire can be connected to the positive and negative electrodes of the whole vehicle battery in use; the 4th pin, the 5th pin, the 6th pin, the 33rd pin and the 46th pin of the electro-hydraulic AMT whole vehicle end plug 1 are connected with the KL30 wire; the 1st pin, the 2nd pin, the 3rd pin, the 7th pin and the 20th pin of the electro-hydraulic AMT whole vehicle end plug 1 are connected with the KL31 wire

[0056] Specifically, the corresponding relationship between the pins of the electro-hydraulic AMT whole vehicle end plug 1 and the modular AMT gearbox end plug 3 is as follows:

[0057] The 17th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 5th pin of the modular AMT gearbox end plug 3; the 18th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 12th pin of the modular AMT gearbox end plug 3; the 29th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 22nd pin of the modular AMT gearbox end plug 3; the 32nd pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 15th pin of the modular AMT gearbox end plug 3; the 34th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 20th pin of the modular AMT gearbox end plug 3; the 35th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 13th pin of the modular AMT gearbox end plug 3; the 36th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 11th pin of the modular AMT gearbox end plug 3; the 37th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 8th pin of the modular AMT gearbox end plug 3; the 40th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 19th pin of the modular AMT gearbox end plug 3; the 47th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 10th pin of the modular AMT gearbox end plug 3; the 48th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 9th pin of the modular AMT gearbox end plug 3; the 49th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 7th pin of the modular AMT gearbox end plug 3; the 50th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 6th pin of the modular AMT gearbox end plug 3; the 53rd pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 16th pin of the modular AMT gearbox end plug 3; the 54th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 21st pin of the modular AMT gearbox end plug 3; the 55th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 18th pin of the modular AMT gearbox end plug 3; and the 56th pin of the electro-hydraulic AMT vehicle end plug 1 corresponds to the 17th pin of the modular AMT gearbox end plug 3.

[0058] The remaining pins of the electro-hydraulic AMT vehicle end plug 1 and the modular AMT gearbox end plug 3 not mentioned in this embodiment are all reserved pins.

[0059] The connection harness of this embodiment can be used to conveniently and quickly complete the replacement of the electro-hydraulic AMT on the originally assembled modular AMT vehicle at a low cost without changing the vehicle chassis harness.

Claims

1. An electro-hydraulic light truck AMT connection wire harness, characterized in that: it comprises an electro-hydraulic AMT vehicle end plug (1), a wire harness body (2) and a modular AMT gearbox end plug (3); the electro-hydraulic AMT vehicle end plug (1) is connected to one end of the wire harness body (2) and used for plugging with an electro-hydraulic AMT TCU end plug; the other end of the wire harness body (2) leads out two branch lines, one of which is a power line (5) for connecting to a vehicle battery; the modular AMT gearbox end plug (3) is connected to the end of the other branch line and used for plugging with a modular AMT vehicle end plug.

2. The electro-hydraulic light truck AMT connection wire harness according to claim 1, characterized in that: the interface of the electro-hydraulic AMT vehicle end plug (1) is 58pin, and the interface of the modular AMT gearbox end plug (3) is 25pin; the first pin, the second pin, the third pin, the fourth pin, the fifth pin, the sixth pin, the seventh pin, the twentieth pin, the thirty-third pin and the forty-sixth pin of the electro-hydraulic AMT vehicle end plug (1) are connected with the power line (5); the corresponding relationship between the pins of the electro-hydraulic AMT vehicle end plug (1) and the modular AMT gearbox end plug (3) is as follows: the seventeenth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the fifth pin of the modular AMT gearbox end plug (3); the eighteenth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the twelfth pin of the modular AMT gearbox end plug (3); the twenty-ninth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the twenty-second pin of the modular AMT gearbox end plug (3); the thirty-second pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the fifteenth pin of the modular AMT gearbox end plug (3); the thirty-fourth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the twentieth pin of the modular AMT gearbox end plug (3); the thirty-fifth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the thirteenth pin of the modular AMT gearbox end plug (3); the thirty-sixth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the eleventh pin of the modular AMT gearbox end plug (3); the thirty-seventh pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the eighth pin of the modular AMT gearbox end plug (3); the fortieth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the nineteenth pin of the modular AMT gearbox end plug (3); the forty-seventh pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the tenth pin of the modular AMT gearbox end plug (3); the forty-eighth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the ninth pin of the modular AMT gearbox end plug (3); the forty-ninth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the seventh pin of the modular AMT gearbox end plug (3); the fiftieth pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the sixth pin of the modular AMT gearbox end plug (3). ​ ​ The 53rd pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the 16th pin of the modular AMT gearbox end plug (3); The 54th pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the 21st pin of the modular AMT gearbox end plug (3); The 55th pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the 18th pin of the modular AMT gearbox end plug (3); The 56th pin of the electro-hydraulic AMT vehicle end plug (1) corresponds to the 17th pin of the modular AMT gearbox end plug (3).

3. The electro-hydraulic light truck AMT connection harness according to claim 2, characterized in that: The power line (5) is composed of KL30 and KL31 lines, and the KL30 and KL31 lines are respectively connected to the positive and negative poles of the vehicle battery; The 4th, 5th, 6th, 33rd and 46th pins of the electro-hydraulic AMT vehicle end plug (1) are connected to the KL30 line, and the 1st, 2nd, 3rd, 7th and 20th pins of the electro-hydraulic AMT vehicle end plug (1) are connected to the KL31 line.

4. The electro-hydraulic light truck AMT connection harness according to claim 3, characterized in that: The power line (5) is composed of KL30 and KL31 lines.

5. The electro-hydraulic light truck AMT connection harness according to any one of claims 1-4, characterized in that: The connection between the harness body (2) and the electro-hydraulic AMT vehicle end plug (1), and the connection between the modular AMT gearbox end plug (3) and the corresponding branch line are all tightened by a fixing member.

6. The electro-hydraulic light truck AMT connection harness according to claim 5, characterized in that: The fixing member is a self-locking tie (4).

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