CN220545258U

CN220545258U - Black box and car

Info

Publication number: CN220545258U
Application number: CN202322115605.2U
Authority: CN
Inventors: 龚平
Original assignee: Shanghai Jingxiang Plastic Mould Co ltd
Current assignee: Shanghai Jingxiang Plastic Mould Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-27
Anticipated expiration: 2033-08-08

Abstract

The utility model relates to the technical field of black boxes, and provides a black box which comprises a shell, a circuit board arranged in the shell, an insulating layer for isolating electromagnetism and a heat insulation layer for insulating heat, wherein the insulating layer wraps the circuit board, the heat insulation layer wraps the insulating layer, the heat insulation layer is arranged in the shell, and a reinforcing rib structure is arranged on the shell. Also provided is an automobile comprising the black box. According to the utility model, electromagnetic influence can be effectively blocked through the arranged insulating layer, and the heat insulation and fire prevention effects can be realized through the heat insulation layer, so that the product can safely store data.

Description

Black box and car

Technical Field

The utility model relates to the technical field of black boxes, in particular to a black box and an automobile.

Background

A black box is an electronic device used on an airplane or a vehicle. The black box on the vehicle is called EDR (Event Data Recorder) and is used for recording vehicle dynamics data of corresponding time sequences in three stages of the vehicle before collision, at the time of collision and after collision and data of different control modules in the automobile unit. EDR data typically includes parameters such as vehicle speed, engine speed, accelerator pedal position (or throttle opening), brake pedal operating conditions, steering inputs, seat belt status, gear lever position, driving mode, tire pressure, warning signals, and a record of airbag deployment within seconds of a vehicle crash (pre-activation or trigger condition being reached), and speed change conditions within 200ms of a vehicle crash.

Most of the prior black boxes are made on collision strength and heat insulation, shielding problems are rarely considered, and internal circuits are subjected to electromagnetic interference and are easy to fail, so that accurate information cannot be obtained.

Disclosure of Invention

The utility model aims to provide a black box and an automobile, which can at least solve part of defects in the prior art.

In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: the black box comprises a shell, a circuit board arranged in the shell, an insulating layer for isolating electromagnetism and a heat insulation layer for heat insulation, wherein the circuit board is wrapped by the insulating layer, the insulating layer is wrapped by the insulating layer, the heat insulation layer is arranged in the shell, and a reinforcing rib structure is arranged on the shell.

Further, the reinforcing rib structure includes a plurality of transverse ribs and a plurality of longitudinal ribs which are distributed over the outer surface of the housing, each of the transverse ribs and each of the longitudinal ribs forming a lattice shape.

Further, the shell and the reinforcing rib structure are of an integrated structure.

Further, the isolation layer is a plastic layer.

Further, the circuit board is provided with a storage device for storing data and an APM32A407xGT chip for analyzing and compressing the data and storing the data into the storage device.

Further, the wireless module and/or the positioning module are/is also included.

Further, the circuit board comprises a power supply module for supplying power to the circuit board.

Further, the device also comprises a signal interface arranged on the shell.

Further, the housing is cubic or columnar.

The embodiment of the utility model provides another technical scheme that: an automobile comprises the black box.

Compared with the prior art, the utility model has the beneficial effects that: electromagnetic influence can be effectively blocked through the insulating layer that sets up, the effect of thermal-insulated fire prevention can be played through the insulating layer, the assurance product can save data safely.

Drawings

FIG. 1 is an exploded view of a black box (the casing is in a cube shape) according to an embodiment of the present utility model;

fig. 2 is a schematic view of a first view angle of a black box (a casing is cubic) according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a black box according to an embodiment of the present utility model (the casing is cubic);

FIG. 4 is a schematic cross-sectional view of a black box (a casing is cubic) according to an embodiment of the present utility model;

FIG. 5 is an exploded view (the casing is cylindrical) of a black box according to an embodiment of the present utility model;

fig. 6 is a schematic view of a first view angle of a black box (a shell is in a column shape) according to an embodiment of the present utility model;

fig. 7 is a schematic view of a second view angle of a black box (a shell is in a column shape) according to an embodiment of the present utility model;

FIG. 8 is a schematic cross-sectional view of a black box (a cylindrical shell) according to an embodiment of the present utility model;

fig. 9 is a schematic diagram (partially shown) of a pin relationship of an APM32a407 a xGT chip of a black box according to an embodiment of the present utility model;

fig. 10 is a schematic diagram (partially shown) of a pin relationship of an APM32a407 a xGT chip of a black box according to an embodiment of the present utility model;

fig. 11 is a schematic diagram (partially shown) of a pin relationship of an APM32a407 a xGT chip of a black box according to an embodiment of the present utility model;

in the reference numerals: 1-a housing; 2-a circuit board; 3-an isolation layer; 4-a heat insulation layer; 5-a reinforcing rib structure; a 6-RJ45 Ethernet interface; 7-CAN interface; 8-a screw; 9-fixing holes; 10-a power supply module.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1 to 8, an embodiment of the utility model provides a black box, which comprises a housing 1, a circuit board 2 arranged in the housing 1, an insulation layer 3 for isolating electromagnetism, and a heat insulation layer 4 for insulating heat, wherein the insulation layer 3 wraps the circuit board 2, the heat insulation layer 4 wraps the insulation layer 3, and the heat insulation layer 4 is arranged in the housing 1. In this embodiment, electromagnetic influence can be effectively blocked through the insulating layer 3 that sets up, can play thermal-insulated fire prevention's effect through insulating layer 4, ensure that the product can save data safely. The insulating layer 3 is preferably a plastic layer, which can insulate components such as static electricity and magnetic field, and avoid the influence of the components on the internal circuit board 2, although other kinds of insulating materials are possible, and the embodiment is not limited thereto. The function of the circuit board 2 is the same as that of the existing black box, and the basic function is to store data. The insulating layer 3 is arranged in the heat insulating layer 4, so that the insulating layer 3 can be protected from damage.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 8, the housing 1 is provided with a reinforcing rib structure 5. In this embodiment, the strength of the housing 1 can be improved by the designed reinforcing rib structure 5, and damage during impact is avoided. Preferably, the reinforcing rib structure 5 includes a plurality of transverse ribs and a plurality of longitudinal ribs that are distributed on the outer surface of the housing 1, each of the transverse ribs and each of the longitudinal ribs form a grid shape, and the reinforcing rib structure 5 may be formed by the transverse ribs and the longitudinal ribs, and is integrally distributed on the outer surface of the housing 1, so as to enhance the omnibearing strength of the housing 1. The ribs may be of a structure mounted on the housing 1, or may be integrally formed with the housing 1, and may be welded to each other during mounting.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 9, 10 and 11, the circuit board 2 is provided with a memory for storing data and an APM32a407xGT chip for parsing and compressing the data and storing the data in the memory. In this embodiment, the APM32a407xGT chip may be used for processing data, and the chip is a common vehicle-standard MCU chip, which has numerous pins and can be connected to a non-function circuit as required. The storage can select an encrypted solid state disk or a flash memory. After an accident, the hard disk data can be called to recover the accident.

As an optimization scheme of the embodiment of the utility model, the black box further comprises a wireless module and/or a positioning module. In this embodiment, through wireless module and positioning module, on the one hand can send the signal data to external equipment, on the other hand can seek accident vehicle through the location rapidly. If the modules such as 2G/3G/4G/5G/6G and the like are adopted, GPS positioning Beidou positioning service and the like are adopted to assist in quick positioning and emergency calling of the vehicle under the condition that the vehicle is powered off or no communication signal exists, and rescue is provided for the first time after an accident. Parameters such as vehicle speed, engine rotation speed, accelerator pedal position (or throttle opening), brake pedal operation condition, steering input, safety belt state, gear level, driving mode, tire pressure, warning signal, and record of airbag deployment can be provided for accident investigation within a few seconds before actual vehicle collision (before activation or reaching trigger condition), and positioning and data uploading can be provided after the 4G/5G/6G module is additionally arranged.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 8, the black box further includes a power supply module 10 for supplying power to the circuit board 2. In this embodiment, the power supply module 10 may use a capacitor or a rechargeable battery, and both the capacitor and the rechargeable battery can be used by the automobile to provide electric energy storage.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 8, the black box further includes a signal interface disposed on the housing 1. In this embodiment, the signal interfaces may be an RJ45 ethernet interface 6 and a CAN interface 7.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 8, the housing 1 is cubic or columnar. In this embodiment, the shape of the product may be designed according to the need, and is generally designed into a cube shape or a column shape, as shown in fig. 1 to 4, and fig. 5 to 8, which are schematic views of a cube shape, both of which can facilitate the arrangement of the reinforcing rib structure 5, and have strong bearing capacity.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 8, the housing 1 is a separate housing, such as an upper housing and a lower housing, and the upper housing and the lower housing are fixed by driving screws 8 through fixing holes 9 provided at edges.

As an optimization scheme of the embodiment of the utility model, the isolation layer 3 is an isolation cover, the isolation cover is internally provided with support columns, the support columns form a support zone, and the circuit board 2 is positioned in the support zone. In this embodiment, the support column is designed to further protect the circuit board 2, and if the shell is deformed due to collision, the support column can play a role in protecting the last layer, so that the circuit board 2 is not damaged, and the safety of the storage on the circuit board 2 is ensured.

Referring to fig. 1 to 11, an embodiment of the present utility model provides an automobile including the above black box. Install foretell black box on the car, can effectively block electromagnetic influence through the insulating layer 3 that sets up, can play thermal-insulated fire prevention's effect through insulating layer 4, ensure that the product can save data safely. The insulating layer 3 is preferably a plastic layer, which can insulate components such as static electricity and magnetic field, and avoid the influence of the components on the internal circuit board 2, although other kinds of insulating materials are possible, and the embodiment is not limited thereto. The function of the circuit board 2 is the same as that of the existing black box, and the basic function is to store data. The insulating layer 3 is arranged in the heat insulating layer 4, so that the insulating layer 3 can be protected from damage. The black box can support data by taking objective data as accident responsibility after the occurrence of the vehicle accident, provides data basis for the traffic police or court judge with the disputed accident, and can generate better social benefit. Data services may also be provided for auto-driving (L3 class) motor companies. Customer vehicle data is provided for, for example, insurance companies and second hand vehicle trading platforms, and data is provided for second hand vehicle value assessment. The driver is provided with vehicle travel basic data (retrospective vehicle quality issues).

Preferably, the black box can be installed under the automobile front engine cover, fixed at a position with smaller stress relative to the impact force, or placed in the instrument panel. The locking screw 8 can be adopted for fixing and mounting during fixing.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A black box, includes shell and built-in circuit board in the shell, its characterized in that: the circuit board is characterized by further comprising an insulating layer for isolating electromagnetism and a heat insulating layer for insulating heat, wherein the circuit board is wrapped by the insulating layer, the insulating layer is wrapped by the insulating layer, the heat insulating layer is arranged in the shell, and a reinforcing rib structure is arranged on the shell.

2. The black box of claim 1, wherein: the reinforcing rib structure comprises a plurality of transverse ribs and a plurality of longitudinal ribs which are distributed on the outer surface of the shell, and each transverse rib and each longitudinal rib form a grid shape.

3. The black box of claim 1, wherein: the shell and the reinforcing rib structure are of an integrated structure.

4. The black box of claim 1, wherein: the isolation layer is a plastic layer.

5. The black box of claim 1, wherein: the circuit board is provided with a storage device for storing data and an APM32A407xGT chip for analyzing and compressing the data and storing the data into the storage device.

6. The black box of claim 1, wherein: the wireless module and/or the positioning module are/is also included.

7. The black box of claim 1, wherein: the circuit board is characterized by further comprising a power supply module for supplying power to the circuit board.

8. The black box of claim 1, wherein: the device also comprises a signal interface arranged on the shell.

9. The black box of claim 1, wherein: the shell is cubic or columnar.

10. An automobile, characterized in that: comprising a black box as claimed in any of claims 1 to 9.