Vehicle ADR emergency power-off device

Abstract

The utility model discloses a vehicle ADR emergency power-off device, and aims to solve the technical problems of insufficient sealing performance, large size and high cost of the existing product. The power switch comprises a shell and a power switch assembly, the power switch assembly is fixed in the shell, a control bin is arranged on the inner wall of the shell and located on one side of the power switch assembly, and an ECU control unit is arranged in the control bin. The power switch assembly comprises two inner binding posts, the inner binding posts are connected with outer binding posts through current-conducting plates, and the side face of the shell is provided with a plug-in port corresponding to the ECU and a lead-out hole corresponding to the current-conducting plates. The utility model has the beneficial effects of small volume, strong sealing performance and high stability.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle control, and particularly relates to a vehicle ADR emergency power-off device. Background Art

[0002] After the normal power-off of vehicles such as oil tank trucks, hazardous chemical inflammable and explosive vehicles, and liquefied gas transport vehicles, there is still electricity. When powering off through a general power switch, an electric arc may be generated. In the above environment, once an electric arc is generated, it is extremely easy to cause an explosion. For example, when a dangerous goods vehicle encounters an unavoidable extreme situation during driving, the driver first applies the emergency brake and turns on the emergency power switch (ADR) within the expected limited time. In this way, the vehicle will be in a completely powered-off state before collision. Even if they collide with each other, it is not easy to generate an electric arc to cause an explosion. Eliminate the hidden danger of vehicle fire caused by the short circuit of the power cord caused by the collision.

[0003] In addition to the function of the ADR, the existing emergency power-off switches also have more redundant devices (such as high-power fuses), resulting in an increase in the volume of the product, high material costs, and poor sealing performance of the product due to the output of the devices. Summary of the Utility Model

[0004] The utility model provides a vehicle ADR emergency power-off device to solve the technical problems of insufficient sealing, large volume, and high cost of existing products.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] Design a vehicle ADR emergency power-off device, including a housing and a power switch assembly. The power switch assembly is fixed inside the housing. A control chamber is arranged on the inner wall of the housing, on one side of the power switch assembly. An ECU control unit is arranged inside the control chamber;

[0007] The power switch assembly includes two inner connection terminals. The inner connection terminals are connected to an outer connection terminal through a conductive plate. An insertion interface corresponding to the ECU control unit and a lead-out hole corresponding to the conductive plate are arranged on the side surface of the housing.

[0008] Further, the housing includes a main housing and an upper cover which are fixedly connected. A sealing ring is arranged between the main housing and the upper cover.

[0009] Further, the control chamber includes a cover body. The ECU control unit is arranged inside the cover body. Clamping strips are arranged on both sides of the cover body. The clamping strips are inserted between the cover body and the inner wall of the housing to fix the cover body.

[0010] Further, the ECU control unit and the cover body are connected by screws and fixing glue.

[0011] Furthermore, a connector assembly is provided on the side of the power switch assembly, and the connector assembly is connected to the ECU control unit through pins.

[0012] Furthermore, the insertion port and the lead-out hole on the housing are located on the same side of the housing.

[0013] Furthermore, the extension line of the internal terminal of the power switch assembly is perpendicular to the extension line of the lead-out hole, and the conductive plate is bent to match the lead-out hole.

[0014] Furthermore, a terminal sheath and a dust cap are provided on the external terminal, and a conductive plate sealing ring is provided between the conductive plate and the lead-out hole.

[0015] Furthermore, the opposite edges of the housing have concave portions, and mounting holes are provided on the bottom surface of the concave portions.

[0016] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0017] 1. The present utility model reduces redundant devices, reduces the product shape, makes the selection of the installation space and position of the product more convenient, and reduces the material cost.

[0018] 2. The built-in ECU control unit of the present utility model adopts a glue injection design, which not only ensures the stability of the product but also increases the protection of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the vehicle ADR emergency power-off device of the present utility model.

[0020] Figure 2 It is a top view of the vehicle ADR emergency power-off device of the present utility model.

[0021] Figure 3 It is an exploded view of the vehicle ADR emergency power-off device of the present utility model.

[0022] In the figure, main housing 1, power switch assembly 2, upper cover 3, sealing ring 4, cover body 6, card strip 7, insertion port 8, lead-out hole 9, mounting hole 10;

[0023] Internal terminal 21, conductive plate 22, terminal sheath 23, dust cap 24, conductive plate sealing ring 25, connector assembly 26, pin 51. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will illustrate the specific embodiments of the present utility model with reference to the drawings and embodiments, but the following embodiments are only used to illustrate the present utility model in detail and do not limit the scope of the present utility model in any way.

[0025] Embodiment 1: A vehicle ADR emergency power-off device, see Figures 1 to 3 , which includes a housing and a power switch assembly 2, and the power switch assembly 2 is fixed inside the housing. The housing includes a main housing 1 and an upper cover 3 fixed by screws, and a sealing ring 4 is provided between the main housing 1 and the upper cover 3. A control chamber is provided on the inner wall of the housing. The control chamber is located on one side of the power switch assembly 2. An ECU control unit 5 is provided inside the control chamber. The control chamber includes a cover body 6. Clamping bars 7 are provided on both sides of the cover body 6. Both sides of the clamping bars 7 have sliding grooves, and convex ribs matching the sliding grooves of the clamping bars 7 are provided on both the inner wall of the housing and both sides of the cover body 6. The clamping bars 7 are in interference fit with both the housing and the upper cover 6 to fix the cover body 6 on the inner wall of the housing. Of course, the clamping bars 7 can also be integrally formed with the housing or the cover body 6 to directly snap the cover body 6 onto the inner wall of the housing, or the cover body 6 can also be fixed on the inner wall of the housing by other means such as screws and buckles to form a control chamber for accommodating the ECU control unit 5. Concave portions are provided on the opposite edges of the housing, and mounting holes 10 are provided on the bottom surface of the concave portions.

[0026] The power switch assembly 2 includes two inner terminal posts 21. The inner terminal posts 21 are connected to outer terminal posts through a conductive plate 22, and the conductive plate 22 is a copper busbar. A terminal post sheath 23 and a dust cap 24 are provided on the outer terminal post. The outer terminal post is located inside the dust cap 24 and the terminal post sheath 23. A wiring hole is provided at the front end of the terminal post sheath 23 for the outer terminal post to connect to an external output conductor. A connector assembly 26 is provided on the side of the power switch assembly 2. The inside of the connector assembly 26 is connected to the controller inside the power switch assembly 2, and the external port is connected to the ECU control unit 5 through a pin member, reducing the use of wire harnesses and making the structure more stable.

[0027] The ECU control unit 5 is a circuit board, and pin 51 is provided thereon as an input connection port. An insertion interface 8 corresponding to the pin 51 of the ECU control unit 5 and a lead-out hole 9 corresponding to the conductive plate 22 are provided on the side of the housing. A conductive plate sealing ring 25 is provided between the conductive plate 22 and the lead-out hole 9.

[0028] In this embodiment, the insertion interface 8 and the lead-out hole 9 on the housing are located on the same side of the housing. The extension line of the inner terminal post 21 of the power switch assembly 2 is perpendicular to the extension line of the lead-out hole 9. At this time, the conductive plate 22 is designed to be bent to match the lead-out hole 9.

[0029] During installation, the ECU control unit 2 is first snapped into the cover plate 6, one screw is fixed, and glue is injected; then the cover plate 6 is installed into the main body housing 1, and two clamping bars 7 are inserted to fix the cover plate in the main body housing; the power switch assembly 2 is installed and fixed with two fixing screw posts; the two copper busbars are passed out from the inside of the main body housing, and two conductive plate sealing rings 25, terminal post sheaths 23, and dust caps 24 are installed; the sealing ring 4 is installed, the upper cover 3 is buckled, and the four screws on the upper cover 3 are fixed.

[0030] Under the premise of retaining the effective functions, the new appearance of the product is redesigned to minimize the appearance of the product. There is only one insertion interface 8 and two lead-out holes 9 on the side of the housing, and sealing structures are designed for both. The sealing performance of the product reaches IP67. The built-in ECU control unit 2 adopts a potting design, which not only ensures the stability of the product but also improves the protection of the product.

[0031] The above has described the present utility model in detail with reference to the accompanying drawings and embodiments. However, those skilled in the art can understand that without departing from the gist of the present utility model, various specific parameters in the above embodiments can be changed to form multiple specific embodiments, which are all within the common variation range of the present utility model and will not be elaborated herein one by one.

Claims

1. A vehicle ADR emergency power-off device, characterized in that: It includes a shell and a power switch assembly, the power switch assembly is fixed inside the shell, a control compartment is arranged on the inner wall of the shell, the control compartment is located on one side of the power switch assembly, and an ECU control unit is arranged inside the control compartment; the power switch assembly includes two inner terminals, the inner terminals are connected to outer terminals via a conductive plate, and a plug interface corresponding to the ECU control unit and a lead-out hole corresponding to the conductive plate are arranged on the side of the shell.

2. The vehicle ADR emergency power-off device according to claim 1, characterized in that: The housing comprises a main housing and an upper cover which are fixedly connected, and a sealing ring is arranged between the main housing and the upper cover.

3. The vehicle ADR emergency power-off device according to claim 1, characterized in that: The control compartment comprises a cover body, the ECU control unit is arranged in the cover body, and clamping strips are arranged on both sides of the cover body. The clamping strips are inserted between the cover body and the inner wall of the shell to fix the cover body.

4. The vehicle ADR emergency power-off device according to claim 3 is characterized in that: The ECU control unit and the cover body are connected by screws and fixing glue.

5. The vehicle ADR emergency power-off device according to claim 1, characterized in that: A connector assembly is arranged on the side of the power switch assembly, and the connector assembly is connected to the ECU control unit via a pin.

6. The vehicle ADR emergency power-off device according to claim 1, characterized in that: The plug-in interface and the lead-out hole on the shell are located on the same side of the shell.

7. The vehicle ADR emergency power-off device according to claim 6, characterized in that: The extension line of the inner terminal of the power switch assembly is perpendicular to the extension line of the lead-out hole, and the conductive plate is bent to match the lead-out hole.

8. The vehicle ADR emergency power-off device according to claim 7, characterized in that: The external terminal is provided with a terminal sheath and a dust cap, and a conductive plate sealing ring is provided between the conductive plate and the lead-out hole.

9. The vehicle ADR emergency power-off device according to claim 1, characterized in that: The shell has concave parts on the opposite edges, and a mounting hole is arranged on the bottom surface of the concave parts.

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