CN218957075U - Test conversion device for automobile electric control system - Google Patents
Test conversion device for automobile electric control system Download PDFInfo
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- CN218957075U CN218957075U CN202223178930.5U CN202223178930U CN218957075U CN 218957075 U CN218957075 U CN 218957075U CN 202223178930 U CN202223178930 U CN 202223178930U CN 218957075 U CN218957075 U CN 218957075U
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Abstract
The utility model relates to a test conversion device of an automobile electric control system, which comprises a connector, a banana socket, a switch, a shell and a PCB (printed circuit board); the connector, the banana socket and the switch are all arranged on the PCB and establish a signal connection relationship through the PCB; the banana sockets are provided with a plurality of pairs, wherein the first pair of banana sockets are power sockets, the second pair of banana sockets are ground sockets, and one side of each pair of banana sockets except the first two pairs of banana sockets is provided with a switch; the two connectors are symmetrically arranged at the left side and the right side of the banana sockets; the PCB is installed inside the shell, and the connector opening, the banana socket opening and the switch opening on the shell are respectively connected with the connector, the banana socket and the switch in a matched mode; the device overcomes the defects that the existing device cannot be applied to a real vehicle test scene and cannot realize fault test such as power supply short circuit, ground short circuit and the like of each signal wire of the controller.
Description
Technical Field
The utility model relates to the technical field of electric control system testing, in particular to a universal automobile electric control system testing conversion device.
Background
The electric control system is used as an important component of the automobile, and the test verification of the electric control system is also an important link in the V-shaped development process. The test verification of the controller in the electric control system is divided into two test scenes of a laboratory and a real vehicle. In a laboratory test scene, the functions, fault diagnosis and the like of the controllers are verified, test equipment is required to ensure the test compatibility of the multi-vehicle controller, and a quick switching device is required to realize the quick access of different controllers to the test equipment and meet the test requirement under the condition of not modifying the equipment body. Under the real vehicle environment, signal observation to the controller is inconvenient and has potential safety hazard through destroying the real vehicle wiring harness mode. Therefore, the test conversion device is very important for the test of the electric control system;
patent 202122676814. X discloses a project switching device based on an HIL rack, as shown in fig. 1, a switching device is arranged between the HIL rack and a to-be-tested controller, and under the condition that an HIL terminal connector is fixed, the switching device is connected with a BOB broken line test box through a matching connector and a connecting wire harness, and the BOB broken line test box is connected with a wire harness access controller (MCU) through the connector and the connecting wire harness, so that rapid switching between projects (to-be-tested controllers) is realized;
according to the technical scheme, the BOB wire breakage test box only realizes that the controller is quickly connected into the HIL simulator, but cannot be applied to a real vehicle test scene, and the BOB wire breakage test box only can realize the controller circuit breakage test, and cannot realize the fault tests of each signal wire of the controller, such as power supply short circuit, ground short circuit and the like.
Disclosure of Invention
Therefore, the utility model aims to overcome the defects that the existing device cannot be applied to a real vehicle test scene and the fault test defects of short circuit of power supply, short circuit of ground and the like of each signal wire of a controller cannot be realized, and further provides the test conversion device of the automobile electric control system.
A test conversion device of an automobile electric control system comprises a connector, a banana socket, a switch, a shell and a PCB;
the connector, the banana socket and the switch are all arranged on the PCB and establish a signal connection relationship through the PCB;
the banana sockets are provided with a plurality of pairs, wherein the first pair of banana sockets are power sockets, the second pair of banana sockets are ground sockets, and one side of each pair of banana sockets except the first two pairs of banana sockets is provided with a switch;
the two connectors are symmetrically arranged at the left side and the right side of the banana sockets;
the banana socket is characterized in that a connector opening, a banana socket opening and a switch opening are formed in the shell, the PCB is installed inside the shell, and the connector opening, the banana socket opening and the switch opening in the shell are respectively connected with the connector, the banana socket and the switch in a matched mode.
Further, the switch is a micro switch with three gears, and the three gears are a power supply short circuit gear, a normal conduction gear and a ground short circuit gear respectively.
Further, the 1 foot of the left connector is connected with the left banana socket in the first pair of banana sockets, the right banana socket in the first pair of banana sockets is connected with the 1 foot of the right connector, the first pair of banana sockets are inserted into the short-tab to conduct, and the 1 foot of the left connector is also connected with the 2 feet of all switches;
the 2 feet of the left connector are connected with the left banana socket in the second pair of banana sockets, the right banana socket in the second pair of banana sockets is connected with the 2 feet of the right connector, the short-tab is inserted into the second pair of banana sockets to conduct, and the 2 feet of the left connector are also connected with the 4 feet of all switches;
the 3 feet of the left connector are connected to the 1 feet of the switch, the 3 feet of the switch are connected to the banana sockets on the left side of the third pair of banana sockets, the banana sockets on the right side of the third pair of banana sockets are connected with the third feet of the right connector, and the short-tab is inserted to conduct between the third pair of banana sockets;
the other pins of the left connector are connected with the 3 pins in the same way, and are connected to the corresponding other pins on the right connector through the corresponding switches and the banana sockets of the pins.
Further, the device is suitable for laboratory scene test, the connector on the left side of the device is spliced with a matched connector of the device, and the matched connector is connected with the controller through a wire harness; the connector on the right side of the device is spliced with a matched connector, and the matched connector is connected with test equipment through a wire harness.
Further, the device is suitable for a real vehicle test scene, a connector on the left side of the device is spliced with a matched connector of the device, and the matched connector is connected with a first real vehicle controller through a wire harness; the connector on the right side of the device is spliced with a matched connector, and the matched connector is connected with a second real vehicle controller through a wire harness.
Further, the connector is a 90PIN connector.
Further, the banana socket has a specification of 2.5mm or 4mm.
Further, the banana socket is provided with 90 pairs in total, the switch is provided with 88 in total, and both connectors are provided with 90 feet.
Furthermore, the PCB adopts a wide wiring mode, and the maximum current is 8A.
Further, the shell is cuboid.
The technical scheme of the utility model is compatible with two scenes of laboratory and real vehicle test, and adopts a standard universal connector, so that the controller can be quickly connected into test equipment, and the compatibility of the test equipment is improved; according to the technical scheme, a fault injection circuit is added, and manual fault injection can be realized rapidly through a switch on the conversion device; the scheme adopts the PCB printed circuit board, is wide in wiring, and can bear high-current test and stability.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present device in an embodiment;
FIG. 2 is a pin diagram of an EDAC connector according to an embodiment;
FIG. 3 is an electrical schematic of the present apparatus in an embodiment;
FIG. 4 is a schematic diagram of the connection of the device in a laboratory test scenario in an embodiment;
fig. 5 is a schematic connection diagram of the device in a real vehicle test scenario in an embodiment;
fig. 6 is a switch configuration diagram.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1, an automobile electronic control system test conversion device comprises a connector, a banana socket, a switch, a shell and a PCB board;
the connector, the banana socket and the switch are all arranged on the PCB and establish a signal connection relationship through the PCB;
the banana sockets are provided with a plurality of pairs, wherein the first pair of banana sockets are power sockets, the second pair of banana sockets are grounded sockets, the first pair of banana sockets are red, the second pair of banana sockets are black, the rest banana sockets are blue, and one side of each pair of banana sockets except the first two pairs of banana sockets is provided with a switch;
the two connectors are symmetrically arranged at the left side and the right side of the banana sockets;
the banana socket is characterized in that a connector opening, a banana socket opening and a switch opening are formed in the shell, the PCB is installed inside the shell, and the connector opening, the banana socket opening and the switch opening in the shell are respectively connected with the connector, the banana socket and the switch in a matched mode.
The connector adopts a standardized 90PIN connector, so that the universal type of the conversion device is ensured, and the requirements of quick access of various controllers can be met. Considering the stability of the conversion device, a mainstream brand connector, such as EDAC, ODU, etc., is adopted, and in this embodiment, an EDAC brand 90PIN connector design is adopted, and an EDAC PIN diagram is shown in fig. 2;
the switch is a micro switch with three gears, and the three gears are a power supply short circuit gear, a normal conduction gear and a ground short circuit gear respectively, as shown in fig. 5, and the manual fault injection is realized by adjusting different gears.
Referring to fig. 3, PIN 1 (edac1_1) of the left connector is connected to the banana socket on the left side of the first pair of banana sockets, the banana socket on the right side of the first pair of banana sockets is connected to PIN 1 (edac2_1) of the right connector, and a short tab is inserted to realize conduction between the first pair of banana sockets, and PIN 1 of the left connector is also connected to PIN 2 of all switches, namely, power PIN PINs of the switches;
the 2 feet (EDAC 1_2) of the left connector are connected with the left banana socket of the second pair of banana sockets, the right banana socket of the second pair of banana sockets is connected with the 2 feet (EDAC 2_2) of the right connector, and a short tab is inserted to realize conduction between the second pair of banana sockets, and the 2 feet of the left connector are also connected with the 4 feet of all switches, namely the ground PIN feet of the switches;
the 3 pin (EDAC1_3) of the left connector is connected to the 1 pin of the switch, the 3 pin of the switch is connected to the banana socket on the left side of the third pair of banana sockets, the banana socket on the right side of the third pair of banana sockets is connected with the third pin (EDAC2_3) of the right connector, and a short tab is inserted to realize conduction between the third pair of banana sockets;
the other pins of the left connector are connected in the same way as the 3 pins (edac2_3), via the corresponding switches and banana sockets of the pins to the corresponding other pins on the right connector.
Referring to fig. 5, the device is suitable for laboratory scene test, the connector on the left side and the connector on the right side of the device are respectively marked as a connector A2 and a connector B2, the connector A1 and the connector B1 are connectors matched with the connector A2 and the connector B2, the connector A1 and the connector A2 are quickly inserted and connected, the connector A1 is connected with a controller through a wire harness, the connector B1 and the connector B2 are quickly inserted and connected, and the connector B2 is connected with test equipment through the wire harness, so that the controller is connected with the test equipment, and test verification work is performed.
Referring to fig. 6, the device is suitable for a real vehicle test scenario, the connectors on the left side and the right side of the device are respectively denoted as a connector a12 and a connector B11, the connector a11 and the connector B12 are respectively connectors matched with the connector a12 and the connector B11, the connector a11 and the connector a12 are quickly inserted and connected, the connector a11 is connected with a first real vehicle controller through a wire harness, the connector B11 and the connector B12 are quickly inserted and connected, and the connector B12 is connected with a second real vehicle controller through a wire harness, so that signal observation and test between the first real vehicle controller and the second real vehicle controller are realized.
The specification of the banana socket is 2.5mm or 4mm, and the banana socket can be designed and installed according to the actual application scene, but the size of the opening of the aluminum alloy panel needs to be noted, and the size of the opening of the aluminum alloy panel needs to be kept consistent with that of the banana socket.
The banana socket is provided with 90 pairs in total, the switch is provided with 88 in total, and two connectors are provided with 90 feet.
The PCB adopts a wide wiring mode, has the maximum current of 8A, and has the advantages of compact size and high stability.
The casing is the cuboid, and is the aluminum alloy material, and the size can be customized according to the demand.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. The automobile electric control system test conversion device is characterized by comprising a connector, a banana socket, a switch, a shell and a PCB;
the connector, the banana socket and the switch are all arranged on the PCB and establish a signal connection relationship through the PCB;
the banana sockets are provided with a plurality of pairs, wherein the first pair of banana sockets are power sockets, the second pair of banana sockets are ground sockets, and one side of each pair of banana sockets except the first two pairs of banana sockets is provided with a switch;
the two connectors are symmetrically arranged at the left side and the right side of the banana sockets;
the banana socket is characterized in that a connector opening, a banana socket opening and a switch opening are formed in the shell, the PCB is installed inside the shell, and the connector opening, the banana socket opening and the switch opening in the shell are respectively connected with the connector, the banana socket and the switch in a matched mode.
2. The device of claim 1, wherein the switch is a three-gear microswitch, the three gears being a power-on short-circuit gear, a normal-on gear, and a ground-short-circuit gear, respectively.
3. The device of claim 1, wherein pin 1 of the connector on the left side of the device is connected to the banana socket on the left side of the first pair of banana sockets, and wherein pin 1 of the connector on the left side of the device is connected to pin 1 of the connector on the right side of the device, and wherein the pin 1 of the connector on the left side of the device is further connected to pin 2 of all switches;
the 2 feet of the connector at the left side of the device are connected with the banana sockets at the left side of the second pair of banana sockets, the banana sockets at the right side of the second pair of banana sockets are connected with the 2 feet of the connector at the right side of the device, the short-tab is inserted into the second pair of banana sockets to conduct, and the 2 feet of the connector at the left side of the device are also connected with the 4 feet of all switches;
the 3 feet of the connector on the left side of the device are connected to the 1 feet of the switch, the 3 feet of the switch are connected to the banana sockets on the left side of the third pair of banana sockets, the banana sockets on the right side of the third pair of banana sockets are connected with the third feet of the connector on the right side, and the short-tab is inserted to conduct between the third pair of banana sockets;
the other pins of the connector on the left side of the device are connected with the corresponding other pins on the connector on the right side of the device through the corresponding switches of the pins and the banana sockets in the same connection mode as the 3 pins.
4. The device of claim 1, wherein the device is adapted for laboratory scene testing, the connector on the left side of the device being plugged into its mating connector, the mating connector being connected to the controller by a wiring harness; the connector on the right side of the device is spliced with a matched connector, and the matched connector is connected with test equipment through a wire harness.
5. The device of claim 1, wherein the device is adapted for use in a real vehicle test scenario, the connector on the left side of the device being plugged with its mating connector, the mating connector being connected to the first real vehicle controller by a wiring harness; the connector on the right side of the device is spliced with a matched connector, and the matched connector is connected with a second real vehicle controller through a wire harness.
6. The device of claim 1, wherein the connector is a 90PIN connector.
7. The device of claim 1, wherein the banana socket is 2.5mm or 4mm in gauge.
8. The device of claim 1, wherein the banana socket is provided with 90 pairs, 88 switches and 90 pins for both connectors.
9. The device of claim 1, wherein the PCB board is wired in a wide manner with a maximum current of 8A.
10. The device of claim 1, wherein the housing is a cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178930.5U CN218957075U (en) | 2022-11-29 | 2022-11-29 | Test conversion device for automobile electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178930.5U CN218957075U (en) | 2022-11-29 | 2022-11-29 | Test conversion device for automobile electric control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218957075U true CN218957075U (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223178930.5U Active CN218957075U (en) | 2022-11-29 | 2022-11-29 | Test conversion device for automobile electric control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218957075U (en) |
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2022
- 2022-11-29 CN CN202223178930.5U patent/CN218957075U/en active Active
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