An external diagnostic device for an automobile

Abstract

The present invention provides an external diagnostic device for an automobile. The diagnostic device includes an OBD diagnostic plug, which is respectively connected to the vehicle front compartment battery, the electrical box and the fuse through a first wiring, a second wiring, a third wiring, a fourth wiring, a fifth wiring and a sixth wiring, and communicates with the vehicle's own battery and control module through cooperation with a diagnostic instrument, so as to solve the problem that the vehicle is self-locked due to electrical failures and unexpected situations and cannot enter the vehicle; the external diagnostic device for an automobile provided by the present invention has a simple structure, does not damage the vehicle, is convenient to use, unlocks the vehicle, and can effectively avoid production line stoppages and avoid causing safety accidents.

Description

Technical Field

[0001] The present invention belongs to the technical field of automotive external diagnostic devices, and particularly relates to an automotive external diagnostic device. Background Art

[0002] During the processes of a current automobile entering the debugging chain, four-wheel alignment, roller testing, rain shower, road test, slope parking detection, and parking after production and assembly, due to electrical failures and unexpected situations, the vehicle may be self-locked, the doors and windows are closed, the key is lost or locked inside the vehicle. At this time, it is impossible to enter the vehicle, move the vehicle, and it is also extremely likely to cause safety accidents. There is no good solution in the prior art to solve the above problems without seriously damaging the automobile.

[0003] Based on the above technical problems existing in automobile production, there is no relevant solution. Therefore, it is urgent to seek an effective solution to solve the above problems. Summary of the Invention

[0004] The object of the present invention is to propose an automotive external diagnostic device aiming at the deficiencies in the above technologies, aiming to solve the problem that a current automobile cannot be unlocked after being self-locked.

[0005] The present invention provides an automotive external diagnostic device. The diagnostic device includes an OBD diagnostic plug, and a first wiring, a second wiring, a third wiring, a fourth wiring, a fifth wiring, and a sixth wiring are connected to the OBD diagnostic plug. One end of the first wiring is connected to the 6th connection hole on the OBD diagnostic plug, and the other end of the first wiring is used to connect to the 1st end hole of the automobile front compartment ECU plug. One end of the second wiring is connected to the 4th connection hole on the OBD diagnostic plug, and the other end of the second wiring is used to connect to the negative pole of the automobile front compartment battery. One end of the third wiring is connected to the 5th connection hole on the OBD diagnostic plug, and the other end of the third wiring is used to connect to the negative pole of the automobile front compartment battery. One end of the fourth wiring is connected to the 14th connection hole on the OBD diagnostic plug, and the other end of the fourth wiring is used to connect to the th end hole of the automobile front compartment ECU plug. One end of the fifth wiring is connected to the 16th connection hole on the OBD diagnostic plug, and the other end of the fifth wiring is used to connect to the positive pole of the automobile front compartment battery. One end of the sixth wiring is connected to the 16th connection hole on the OBD diagnostic plug, and the other end of the sixth wiring is used to connect to any one of the fuses EF0, EF0, EF0, EF09, EF0, EF in the automobile front compartment electrical box.

[0006] Further, steel needles are respectively provided at the other ends of the first wiring, the second wiring, the third wiring, the fourth wiring, the fifth wiring, and the sixth wiring.

[0007] Further, the diameter of the steel needle is 0.08 mm to 0.12.

[0008] Further, the first wiring is an orange wire with a length of 450 mm to 550 mm.

[0009] Further, the second wiring is a brown wire with a length of 450 mm to 550 mm.

[0010] Further, the third wiring is a brown wire with a length of 450 mm to 550 mm.

[0011] Further, the fourth wiring is an orange - black wire with a length of 450 mm to 550 mm.

[0012] Further, the fifth wiring is a red - white wire with a length of 450 mm to 550 mm.

[0013] Further, the sixth wiring is a red wire with a length of 450 mm to 550 mm.

[0014] Further, the diagnostic device powers on the vehicle through the sixth wiring.

[0015] Further, the diagnostic device further includes a diagnostic instrument. The diagnostic instrument is electrically connected to the OBD diagnostic plug through a CAN network, and the OBD diagnostic plug is communicatively connected to the engine control module through a CAN network, thereby realizing the management and control of the engine system.

[0016] Further, the engine control module is communicatively connected to the body control module through a CAN network, thereby realizing the functional control of unlocking the vehicle and raising and lowering the four - door glass.

[0017] Further, the diagnostic device powers the diagnostic instrument through the fifth wiring, the second wiring, and the third wiring.

[0018] Further, the diagnostic device is communicatively connected to the CAN network through the first wiring and the fourth wiring.

[0019] For the external automotive diagnostic device provided by the present invention, the diagnostic instrument and the OBD diagnostic plug are communicatively connected to the engine control module through a CAN network to realize the management and control of the engine system, and are communicatively connected to the body control module through a CAN network to realize control functions such as unlocking the vehicle and raising and lowering the four - door glass, thereby solving the problem that the vehicle is self - locked due to electrical failures and accidents and cannot enter the vehicle; the external automotive diagnostic device provided by the present invention has a simple structure, does not damage the vehicle, is easy to use, and can unlock the vehicle, effectively avoiding production line stoppages and safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0021] The present invention will be further described below in conjunction with the drawings:

[0022] Figure 1 This is a schematic diagram of an external diagnostic device for an automobile according to the present invention (excluding the diagnostic instrument);

[0023] Figure 2 This is an electrical schematic diagram of an external diagnostic device for an automobile according to the present invention;

[0024] Figure 3 This is a schematic diagram of the logic control of an external diagnostic device for an automobile according to the present invention.

[0025] In the figure: 1. OBD diagnostic plug; 2. First wiring; 3. Second wiring; 4. Third wiring; 5. Fourth wiring; 6. Fifth wiring; 7. Sixth wiring; 8. Steel needle. Specific implementation mode

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clear and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined. The meaning of "several" is one or more unless otherwise specifically defined.

[0029] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present invention.

[0030] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "linkage" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] As shown in Figures 1 to Figure 3 shown, the present invention provides an external vehicle diagnostic device, which is applicable to different in-production vehicle models and may not be equipped with a gateway function. Once the vehicle is accidentally self-locked, it can be unlocked through this external diagnostic device, and at the same time, the four-door glass lifting control and other test and diagnostic functions can also be realized; specifically, the diagnostic device includes an OBD diagnostic plug 1 (OBD is the on-board self-diagnosis system), and a first wiring 2, a second wiring 3, a third wiring 4, a fourth wiring 5, a fifth wiring 6, and a sixth wiring 7 are connected to the OBD diagnostic plug 1; among them,

[0032] One end of the first wiring 2 is connected to the 6th connection hole on the OBD diagnostic plug 1, and the other end of the first wiring 2 is used to connect to the 1st end hole of the vehicle front compartment ECU plug;

[0033] One end of the second wiring 3 is connected to the 4th connection hole on the OBD diagnostic plug 1, and the other end of the second wiring 3 is used to connect to the negative pole of the vehicle front compartment battery;

[0034] One end of the third wiring 4 is connected to the 5th connection hole on the OBD diagnostic plug 1, and the other end of the third wiring 4 is used to connect to the negative pole of the vehicle front compartment battery;

[0035] One end of the fourth wiring 5 is connected to the 14th connection hole on the OBD diagnostic plug 1, and the other end of the fourth wiring 5 is used to connect to the 17th end hole of the vehicle front compartment ECU plug;

[0036] One end of the fifth wiring 6 is connected to the 16th connection hole on the OBD diagnostic plug 1, and the other end of the fifth wiring 6 is used to connect to the positive pole of the vehicle front compartment battery;

[0037] One end of the sixth wiring 7 is connected to the 16th connection hole on the OBD diagnostic plug 1, and the other end of the sixth wiring 7 is used to connect to any one of the fuses EF06, EF07, EF08, EF09, EF10, and EF11 in the vehicle front compartment electrical box;

[0038] By using the above-mentioned external vehicle diagnostic device, it can communicate with the vehicle's own battery and control module in cooperation with a diagnostic instrument, thus solving the problem that the vehicle is self-locked due to electrical failures and unexpected situations and cannot enter the vehicle interior.

[0039] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the other ends of the first wiring 2, the second wiring 3, the third wiring 4, the fourth wiring 5, the fifth wiring 6, and the sixth wiring 7 are respectively provided with steel needles 8, and the electrical box and battery on the vehicle front compartment are better connected through the steel needles 8.

[0040] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, in this embodiment, the diameter of the steel needle 8 is 0.08 mm to 0.12 mm, preferably 0.1 mm or 0.09 mm.

[0041] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the first wiring 2 is an orange wire with a length of 450 mm to 550 mm; specifically, the first wiring 2 is preferably 500 mm in length, can be bent and folded arbitrarily, and is convenient for storage.

[0042] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the second wiring 3 is a brown wire with a length of 450 mm to 550 mm; specifically, the second wiring 3 is preferably 500 mm in length, can be bent and folded arbitrarily, and is convenient for storage.

[0043] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the third wiring 4 is a brown wire with a length of 450 mm to 550 mm; specifically, the third wiring 4 is preferably 500 mm in length, can be bent and folded arbitrarily, and is convenient for storage.

[0044] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the fourth wiring 5 is an orange-black wire with a length of 450 mm to 550 mm; specifically, the fourth wiring 5 is preferably 500 mm in length, can be bent and folded arbitrarily, and is convenient for storage.

[0045] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the fifth wiring 6 is a red-white wire with a length of 450 mm to 550 mm; specifically, the fifth wiring 6 is preferably 500 mm in length, can be bent and folded arbitrarily, and is convenient for storage.

[0046] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3As shown, the sixth wiring 7 is a red wire with a length of 450 mm to 550 mm; specifically, the sixth wiring 7 is preferably 500 mm in length, can be bent and folded arbitrarily, and is convenient for storage.

[0047] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the diagnostic device powers on the vehicle through the sixth wiring 7; further, when the diagnostic instrument is plugged into the OBD plug of the diagnostic device, functions such as controlling and diagnosing the vehicle can be achieved, including unlocking the vehicle, lowering the glass, etc., thereby being able to solve problems such as the vehicle being self-locked or malfunctioning, unable to open the door and window, resulting in being unable to enter the vehicle.

[0048] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the diagnostic device further includes a diagnostic instrument. The diagnostic instrument is electrically connected to the OBD diagnostic plug 1 through a CAN network, and the OBD diagnostic plug 1 is communicatively connected to the engine control module through a CAN network, thereby realizing the management and control of the engine system.

[0049] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the engine control module is communicatively connected to the body control module through a CAN network, thereby realizing the functional control of unlocking the vehicle and raising and lowering the four-door glass; at the same time, other modules in the vehicle can be connected through CAN network communication to realize the control of other functions.

[0050] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the diagnostic device supplies power to the diagnostic instrument through the fifth wiring 6, the second wiring 3, and the third wiring 4, so that the vehicle's own battery can be fully utilized for operation.

[0051] Preferably, in combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the diagnostic device is communicatively connected to the CAN network through the first wiring 2 and the fourth wiring 5.

[0052] In combination with the above solution, as shown in FIGS. 1 to Figure 3 As shown, the specific operation process of the external diagnostic device for an automobile provided by the present invention is as follows:

[0053] (1), Open or open the front hood of the car by a special method, and connect the external diagnostic device according to the wiring schematic diagram:

[0054] (2), Connect a 500-mm red and white wire (i.e., the fifth wiring 6) to the 16th hole of the OBD diagnostic plug of the diagnostic device, and connect the end to a steel needle with a tip of 0.1 mm, and insert the steel needle into the positive pole of the front hood battery of the car;

[0055] (3) Connect another 500-mm red wire (i.e., the sixth wiring 7) to the 16th hole of the OBD diagnostic plug of the diagnostic device, and connect the end to a steel needle with a tip of 0.1 mm. Insert the steel needle into any one of the fuses EF06, EF07, EF08, EF09, EF10, and EF11 in the vehicle's front engine compartment electrical box;

[0056] (4) Connect a 500-mm brown wire (i.e., the second wiring 3) to the 4th hole of the OBD diagnostic plug of the diagnostic device, and connect the end to a steel needle with a tip of 0.1 mm. Insert the steel needle into the negative terminal of the vehicle's front engine compartment battery;

[0057] (5) Connect a 500-mm brown wire (i.e., the third wiring 4) to the 5th hole of the OBD diagnostic plug of the diagnostic device, and connect the end to a steel needle with a tip of 0.1 mm. Insert the steel needle into the negative terminal of the front engine compartment battery;

[0058] (6) Connect a 500-mm orange wire (i.e., the first wiring 2) to the 6th hole of the OBD diagnostic plug of the diagnostic device, and connect the end to a steel needle with a tip of 0.1 mm. Insert the steel needle into the 1st terminal hole of the front engine compartment ECU plug;

[0059] (7) Connect a 500-mm orange and black wire (i.e., the fourth wiring 5) to the 14th hole of the OBD diagnostic plug of the diagnostic device, and connect the end to a steel needle with a tip of 0.1 mm. Insert the steel needle into the 17th terminal hole of the front engine compartment ECU plug;

[0060] (8) Finally, insert the diagnostic instrument into the OBD diagnostic plug to achieve the control and diagnosis of the vehicle, including unlocking the vehicle, lowering the glass window, and other diagnostic functions.

[0061] The external vehicle diagnostic device provided by the present invention enables the diagnostic instrument and the OBD diagnostic plug to communicate through the CAN network and connect to the engine control module to manage and control the engine system, and communicate through the CAN network to connect to the body control module to achieve control functions such as unlocking the vehicle and raising and lowering the four doors' glass, thereby solving the problem that the vehicle is self-locked due to electrical failures and unexpected situations and cannot enter the vehicle; the external vehicle diagnostic device provided by the present invention has a simple structure, does not damage the vehicle, is easy to use, and can unlock the vehicle, effectively avoiding production line stoppages and safety accidents.

[0062] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, make many possible changes and modifications to the technical solution of the present invention by using the above-mentioned technical content, or modify it into an equivalent embodiment with equivalent changes. Therefore, all content that does not depart from the technical solution of the present invention, any changes, modifications, equivalent changes and modifications made to the above embodiments according to the technology of the present invention, all fall within the protection scope of this technical solution.

Claims

1. An external diagnostic device for an automobile, characterized in that, The diagnostic device includes an OBD diagnostic plug (1), and a first wiring (2), a second wiring (3), a third wiring (4), a fourth wiring (5), a fifth wiring (6) and a sixth wiring (7) are connected to the OBD diagnostic plug (1); One end of the first wiring (2) is connected to the 6th connection hole on the OBD diagnostic plug (1), and the other end of the first wiring (2) is used for connecting to the 1st end hole of the vehicle front compartment ECU plug; One end of the second wiring (3) is connected to the 4th connection hole on the OBD diagnostic plug (1), and the other end of the second wiring (3) is used for connecting to the negative pole of the vehicle front compartment battery; One end of the third wiring (4) is connected to the 5th connection hole on the OBD diagnostic plug (1), and the other end of the third wiring (4) is used for connecting to the negative pole of the vehicle front compartment battery; One end of the fourth wiring (5) is connected to the 14th connection hole on the OBD diagnostic plug (1), and the other end of the fourth wiring (5) is used for connecting to the 17th end hole of the vehicle front compartment ECU plug; One end of the fifth wiring (6) is connected to the 16th connection hole on the OBD diagnostic plug (1), and the other end of the fifth wiring (6) is used for connecting to the positive pole of the vehicle front compartment battery; One end of the sixth wiring (7) is connected to the 16th connection hole on the OBD diagnostic plug (1), and the other end of the sixth wiring (7) is used for connecting to any one of the fuses EF06, EF07, EF08, EF09, EF10, EF11 in the vehicle front compartment electrical box; The diagnostic device powers on the vehicle through the sixth wiring (7); The diagnostic device further includes a diagnostic instrument, the diagnostic instrument is electrically connected to the OBD diagnostic plug (1) through a can network, and the OBD diagnostic plug (1) is communicatively connected to an engine control module through a can network, so as to realize the management and control of the engine system; The engine control module is communicatively connected to a body control module through a can network, so as to realize the function control of unlocking the vehicle and raising and lowering the four-door glass; The diagnostic device powers the diagnostic instrument through the fifth wiring (6), the second wiring (3) and the third wiring (4); The diagnostic device is communicatively connected to the can network through the first wiring (2) and the fourth wiring (5).

2. The vehicle external diagnostic device according to claim 1, wherein Steel needles (8) are respectively provided at the other ends of the first wiring (2), the second wiring (3), the third wiring (4), the fourth wiring (5), the fifth wiring (6) and the sixth wiring (7).

3. The vehicle external diagnostic device according to claim 2, wherein, The diameter of the steel needle (8) is 0.08 mm to 0.12 mm.

4. The vehicle external diagnostic device according to claim 1, characterized in that, The first wiring (2) is an orange wire with a length of 450 mm to 550 mm; and / or, The second wiring (3) is a brown wire with a length of 450 mm to 550 mm; and / or, The third wiring (4) is a brown wire with a length of 450 mm to 550 mm; and / or,The fourth wiring (5) is an orange-black wire with a length of 450 mm to 550 mm; and / or, ​ The fifth wiring (6) is a red and white wire with a length of 450 mm to 550 mm; and / or, The sixth wiring (7) is a red wire with a length of 450 mm to 550 mm.

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