CN221531564U - Vehicle-mounted monitoring equipment and vehicle - Google Patents

Abstract

The utility model provides a vehicle-mounted monitoring device and a vehicle, wherein the vehicle-mounted monitoring device comprises: the electric conduction device comprises a conductive shell, a conductive structure arranged on the conductive shell and a transmission line arranged on the conductive structure, wherein the conductive structure is electrically connected with the conductive shell, a conductive groove for the transmission line to penetrate is formed in the conductive structure, a shielding net layer is arranged on the outer surface of the transmission line, and the shielding net layer is electrically connected with the groove wall of the conductive groove. The conductive shell can lead out static electricity of the vehicle-mounted monitoring equipment, can also completely shield external signal interference and protect internal components of the conductive shell; the shielding net layer is arranged on the outer surface of the transmission line, so that the external signal interference is shielded, the transmission of electric energy and analog video signals is ensured, and meanwhile, the static electricity of the transmission line can be transmitted to the conductive shell; the conductive structure is provided with a conductive groove, the groove wall of the conductive groove is electrically connected with the shielding net layer of the transmission line, the area of the connection of the conductive groove and the shielding net layer can be increased, the low-impedance lap joint of the conductive groove and the shielding net layer is realized, and the electrostatic derivation capacity is improved.

Description

Vehicle-mounted monitoring equipment and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to vehicle-mounted monitoring equipment and a vehicle.

Background

The existing vehicle-mounted monitoring equipment such as a camera, a display screen or a host computer is quite complex in application environment, signals of equipment such as a vehicle wiring harness and equipment are mutually interfered, once the mutual interference is formed, the equipment cannot be normally used, and the normal running of the vehicle is influenced if the mutual interference is formed, so that the life safety of people is endangered; the existing vehicle-mounted monitoring equipment with analog video signals is low in passing rate of EMC (Electromagnetic Compatibility and electromagnetic compatibility) test in batches, and accordingly the reject ratio of the vehicle-mounted monitoring equipment is high.

Disclosure of utility model

The utility model aims to provide vehicle-mounted monitoring equipment and a vehicle, and aims to solve the technical problems of low passing rate of electromagnetic compatibility test of the vehicle-mounted monitoring equipment and high reject ratio of the vehicle-mounted monitoring equipment in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, there is provided an in-vehicle monitoring device, comprising:

the electric cable comprises a conductive shell, a conductive structure arranged on the conductive shell and a transmission line arranged on the conductive structure, wherein the conductive structure is electrically connected with the conductive shell, a conductive groove for the transmission line to penetrate through is formed in the conductive structure, a shielding net layer is arranged on the outer surface of the transmission line, and the shielding net layer is electrically connected with the groove wall of the conductive groove.

By adopting the technical scheme:

Firstly, the conductive shell can lead out static electricity of the vehicle-mounted monitoring equipment, which comprises but is not limited to static electricity of an inner part of the conductive shell or a transmission line, and meanwhile, the conductive shell can also completely shield external signal interference and protect the inner part of the conductive shell;

Secondly, the shielding net layer is arranged on the outer surface of the transmission line, so that the external signal interference is shielded, the transmission of electric energy and analog video signals is ensured, and meanwhile, the static electricity of the transmission line can be transmitted to the conductive shell;

Thirdly, the conductive structure is provided with a conductive groove, the groove wall of the conductive groove is electrically connected with the shielding net layer of the transmission line, the joint area of the conductive groove and the shielding net layer can be increased, the low-impedance lap joint of the conductive groove and the shielding net layer is realized, and the electrostatic leading-out capability is improved;

finally, the interference source and the sensitive source are isolated in two electromagnetic environments by the technical scheme, so that the problem that the vehicle-mounted monitoring equipment with analog video signals batched by electromagnetic compatibility test is solved, the test passing rate is improved, and the reject ratio of products is reduced.

In one embodiment, the conductive structure comprises a conductive support and a conductive layer, the conductive support is arranged on the conductive shell and is electrically connected with the conductive shell, the conductive support is formed with the conductive groove, the conductive layer is laid on the groove wall of the conductive groove, and the conductive layer is abutted with the shielding mesh layer and is electrically connected with the shielding mesh layer.

Through adopting above-mentioned technical scheme, the conductive bracket is fixed the transmission line and makes the conducting layer on the cell wall of conductive groove can with shielding stratum reticulare butt, has realized shielding stratum reticulare and conductive bracket's butt.

In one embodiment, the conductive support comprises a first support, a second support and a fastener, the first support is arranged on the conductive shell, the second support is in butt joint with the first support to form the conductive groove, the conductive layer is laid on the inner side surface of the second support and the inner side surface of the first support, the transmission line is located between the first support and the second support, and the fastener is in fastening connection with the first support and the second support, so that the first support and the second support can be used for pressing the conductive layer on the shielding mesh layer of the transmission line.

Through adopting above-mentioned technical scheme, make the conducting layer on first support and the second support compress tightly on shielding stratum reticulare through the fastener, increased the area of contact on conducting layer and shielding stratum reticulare, reduced the impedance between the two, promoted static and derived ability.

In one embodiment, the conductive bracket further comprises a bracket base, the bracket base is arranged on the conductive shell, and the first bracket is arranged on the bracket base.

Through adopting above-mentioned technical scheme, realized that first support is fixed on electrically conductive shell's a take level, be convenient for with the cooperation of transmission line.

In one embodiment, the conductive support further comprises a conductive block disposed between the support base and the conductive housing, the conductive block being respectively in abutment with the support base and the conductive housing.

By adopting the technical scheme, the impedance of the electric connection between the conductive bracket and the conductive shell is reduced, and the electrostatic derivation capability is improved.

In one embodiment, the conductive layer is deformed by the first and second brackets to conform to the shape of the transmission line.

By adopting the technical scheme, the impedance between the conductive layer and the transmission line is further reduced, and the electrostatic derivation capability is further improved.

In one embodiment, the conductive layer is conductive foam.

By adopting the technical scheme, the conductive foam has the advantages of small density, proper deformability and strong conductivity.

In one embodiment, the shielding mesh layer includes a shielding mesh and a shielding braid.

By adopting the technical scheme, the shielding capacity of the shielding net layer is improved, and the mechanical strength of the transmission line is ensured.

In one embodiment, the on-board monitoring device further comprises a circuit board disposed on the conductive housing, and the transmission line is electrically connected to the circuit board.

By adopting the technical scheme, the conductive shell can lead out static electricity of the circuit board and shield external signal interference.

In a second aspect, a vehicle is provided, including a vehicle body and the above-mentioned in-vehicle monitoring device, the in-vehicle monitoring device being mounted on the vehicle body.

By adopting the technical scheme, on the basis of the advantages of the vehicle-mounted monitoring equipment of the embodiment, the vehicle of the embodiment also has the advantage of strong signal interference resistance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a vehicle-mounted monitoring device according to an embodiment of the present utility model;

fig. 2 is an exploded view of the in-vehicle monitoring device according to the embodiment of the present utility model.

The reference numerals in the drawings are as follows:

1. a conductive housing; 2. a conductive structure; 3. a transmission line; 4. a circuit board;

20. a conductive groove; 31. a shielding mesh layer; 32. an insulating layer; 21. a conductive support; 22. a conductive layer;

211. A first bracket; 212. a second bracket; 213. a fastener; 214. a bracket base; 215. a conductive block; 311. a shielding net; 312. shielding the braid.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected or indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing the utility model based on the orientation or positional relationship shown in the drawings, and are not to be construed as limiting the utility model, as the indicating device or element must have a particular orientation, be constructed and operated in a particular orientation.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating relative importance or indicating the number of technical features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The following describes in more detail the specific implementation of the present utility model in connection with specific embodiments:

As shown in fig. 1 and fig. 2, the vehicle-mounted monitoring device provided by the embodiment of the utility model is used for being arranged on a vehicle, and the vehicle-mounted monitoring device comprises, but is not limited to, a camera, a display screen, a host computer and the like; the vehicle-mounted monitoring equipment with the analog video signal is easy to be interfered by the signal when applied to a vehicle scene; the vehicle-mounted monitoring equipment provided by the embodiment can improve the capability of shielding electromagnetic interference signals, improve the reliability of analog video signal transmission, and further improve the passing rate of electromagnetic compatibility test; the following description is made by way of specific embodiments:

the vehicle-mounted monitoring device of the embodiment includes: a conductive housing 1, a conductive structure 2 and a transmission line 3;

Wherein, the conductive shell 1 can be used as an external protection piece of the vehicle-mounted monitoring equipment, and the conductive shell 1 has conductivity, which comprises but is not limited to being made of metal materials; here, it can be appreciated that the conductive housing 1 is capable of conducting out static electricity of the in-vehicle monitoring device;

The conductive structure 2 also has conductivity, and the conductive structure 2 is arranged on the conductive shell 1; here, it can be understood that the conductive structure 2 is electrically connected with the conductive housing 1; specifically, the conductive structure 2 is formed with a conductive groove 20, and the shape and size of the conductive groove 20 are matched with those of the electrical connection end of the transmission line 3, so that the electrical connection end of the transmission line 3 can be just inserted into the conductive groove 20;

The transmission line 3 is used for realizing the transmission of the electric energy and the analog video signal of the vehicle-mounted monitoring equipment; here, it is understood that the transmission line 3 may be a power line for transmitting power while also transmitting an analog video signal; specifically, a battery core for transmitting electric energy and analog video signals is arranged in the transmission line 3, a shielding net layer 31 is arranged outside the transmission line 3, the shielding net layer 31 is used for shielding external signal interference, and meanwhile, the shielding net layer 31 is electrically connected with the groove wall of the conductive groove 20, so that static electricity of the transmission line 3 is transferred to the conductive shell 1. It should be further explained that the outermost layer of the transmission line 3 is provided with an insulating layer 32, the insulating layer 32 extending to the electrical connection end of the transmission line 3, such that the transmission line 3 exposes the shielding mesh layer 31 at the electrical connection end.

By adopting the technical scheme:

Firstly, the conductive shell 1 can conduct out static electricity of the vehicle-mounted monitoring equipment, which comprises but is not limited to static electricity of the internal components of the conductive shell 1 or the transmission line 3, and meanwhile, the conductive shell 1 can also completely shield external signal interference and protect the internal components of the conductive shell 1;

Secondly, the outer surface of the transmission line 3 is provided with a shielding net layer 31, so that external signal interference is shielded, electric energy and transmission of analog video signals are ensured, and meanwhile, static electricity of the transmission line 3 can be transmitted to the conductive shell 1;

Thirdly, the conductive structure 2 is provided with the conductive groove 20, the groove wall of the conductive groove 20 is electrically connected with the shielding net layer 31 of the transmission line 3, the joint area of the conductive groove 20 and the shielding net layer can be increased, the low-impedance lap joint of the conductive groove 20 and the shielding net layer is realized, and the electrostatic derivation capacity is improved;

finally, the interference source and the sensitive source are isolated in two electromagnetic environments by the technical scheme, so that the problem that the vehicle-mounted monitoring equipment with analog video signals batched by electromagnetic compatibility test is solved, the test passing rate is improved, and the reject ratio of products is reduced.

In one embodiment, the conductive structure 2 includes a conductive support 21 and a conductive layer 22, the conductive support 21 is disposed on the conductive housing 1 and electrically connected with the conductive housing 1, the conductive support 21 is formed with a conductive slot 20, the conductive layer 22 is laid on a slot wall of the conductive slot 20, and the conductive layer 22 is abutted with and electrically connected with the shielding mesh layer 31.

Here, it can be understood that the conductive bracket 21 is used for fixing the transmission line 3, the conductive bracket 21 is disposed on the conductive housing 1, and the conductive bracket 21 is electrically connected with the conductive housing 1 to realize the transfer of static electricity of the transmission line 3 to the conductive housing 1; the conductive bracket 21 is formed with a conductive groove 20, a conductive layer 22 is laid on the groove wall of the conductive groove 20, and when the transmission line 3 is inserted into the conductive groove 20, the conductive layer 22 is abutted with the shielding mesh layer 31, namely, the conductive layer 22 is electrically connected with the shielding mesh layer 31.

By adopting the above technical scheme, the conductive bracket 21 fixes the transmission line 3 and enables the conductive layer 22 on the groove wall of the conductive groove 20 to be abutted with the shielding mesh layer 31, so that the abutment of the shielding mesh layer 31 and the conductive bracket 21 is realized.

In one embodiment, the conductive support 21 includes a first support 211, a second support 212, and a fastener 213, the first support 211 is disposed on the conductive housing 1, the second support 212 is in butt joint with the first support 211 to form the conductive slot 20, the conductive layer 22 is laid on the inner sides of the second support 212 and the first support 211, the transmission line 3 is located between the first support 211 and the second support 212, and the fastener 213 is fastened to the first support 211 and the second support 212, so that the first support 211 and the second support 212 can compress the conductive layer 22 on the shielding mesh layer 31 of the transmission line 3.

Here, it can be understood that the first bracket 211, the second bracket 212, and the fastener 213 cooperate together such that the transmission line 3 is fixed to the conductive housing 1; specifically, the first support 211 is disposed on the conductive housing 1, that is, the first support 211 is electrically connected to the conductive housing 1; the second bracket 212 is used for docking with the first bracket 211, and a conductive groove 20 is formed between the first bracket 211 and the second bracket 212, namely, the transmission line 3 is arranged between the first bracket 211 and the second bracket 212, and the fastener 213 is used for fastening the first bracket 211 and the second bracket 212, so that the first bracket 211 and the second bracket 212 apply pressure on the transmission line 3, and the conductive layer 22 is pressed on the shielding mesh layer 31 of the transmission line 3 due to the fact that the conductive layer 22 is paved on the inner side surfaces of the first bracket 211 and the second bracket 212.

Through adopting above-mentioned technical scheme, make the conducting layer 22 on first support 211 and the second support 212 compress tightly on shielding stratum reticulare 31 through fastener 213, increased conducting layer 22 and shielding stratum reticulare 31's area of contact, reduced the impedance between the two, promoted static and derived ability.

In one embodiment, the conductive bracket 21 further includes a bracket base 214, where the bracket base 214 is disposed on the conductive housing 1, and the bracket base 214 is disposed on the first bracket 211.

Here, it can be understood that the bracket base 214 is used to support the first bracket 211 such that the first bracket 211 has a predetermined height so as to be matched with the set height of the transmission line 3.

By adopting the above technical scheme, the first bracket 211 is fixed on a certain height of the conductive shell 1, so as to be convenient for matching with the transmission line 3.

In one embodiment, the conductive bracket 21 further includes a conductive block 215 disposed between the bracket base 214 and the conductive housing 1, and the conductive block 215 is respectively abutted with the bracket base 214 and the conductive housing 1.

Here, it can be understood that the shape and size of the conductive block 215 are matched with the gap between the bracket base 214 and the conductive housing 1, that is, the conductive block 215 fills the gap, increasing the contact area between the bracket base 214 and the conductive housing 1, and reducing the impedance therebetween.

Specifically, the conductive bumps 215 include, but are not limited to, conductive foam.

By adopting the technical scheme, the impedance of the electric connection between the conductive bracket 21 and the conductive shell 1 is reduced, and the electrostatic derivation capability is improved.

In one embodiment, the conductive layer 22 is deformed by the first and second brackets 211, 212 to conform to the shape of the transmission line 3.

Here, it can be understood that the conductive layer 22 has deformability, that is, is deformed by the first bracket 211 and the second bracket 212, and when the conductive layer 22 is deformed by the pressure of the first bracket 211 and the second bracket 212, the shape of the conductive layer 22 is more adapted to the shape of the transmission line 3, that is, the contact area between the conductive layer 22 and the transmission line 3 is increased, and the conductive layer 22 can wrap the outer surface of the transmission line 3 along the circumferential direction of the transmission line 3, so that the impedance between the conductive layer 22 and the transmission line 3 is reduced.

By adopting the technical scheme, the impedance between the conductive layer 22 and the transmission line 3 is further reduced, and the electrostatic derivation capability is further improved.

In one embodiment, the conductive layer 22 is conductive foam.

By adopting the technical scheme, the conductive foam has the advantages of small density, proper deformability and strong conductivity.

In one embodiment, the shielding mesh layer 31 includes a shielding mesh 311 and a shielding braid 312.

Here, it is understood that the shielding mesh 311 may be formed by interweaving conductive wires, and the shielding braid 312 may be formed by braiding a cloth doped with the conductive wires, so that the shielding mesh layer 31 has at least two shielding structures, which increases both shielding ability and strength of the transmission line 3.

By adopting the above technical scheme, the shielding capacity of the shielding mesh layer 31 is improved, and the mechanical strength of the transmission line 3 is ensured.

In one embodiment, the on-board monitoring device further comprises a circuit board 4, the circuit board 4 being provided on the conductive housing 1, the transmission line 3 being electrically connected to the circuit board 4.

By adopting the above technical scheme, the conductive housing 1 can lead out static electricity of the circuit board 4 and shield external signal interference.

In a second aspect, a vehicle is provided, including a vehicle body and the above-mentioned in-vehicle monitoring device, the in-vehicle monitoring device being mounted on the vehicle body.

By adopting the technical scheme, on the basis of the advantages of the vehicle-mounted monitoring equipment of the embodiment, the vehicle of the embodiment also has the advantage of strong signal interference resistance.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A vehicle-mounted monitoring device, characterized by comprising:

the electric cable comprises a conductive shell, a conductive structure arranged on the conductive shell and a transmission line arranged on the conductive structure, wherein the conductive structure is electrically connected with the conductive shell, a conductive groove for the transmission line to penetrate through is formed in the conductive structure, a shielding net layer is arranged on the outer surface of the transmission line, and the shielding net layer is electrically connected with the groove wall of the conductive groove.

2. The in-vehicle monitoring device according to claim 1, wherein the conductive structure includes a conductive bracket provided on and electrically connected with the conductive housing, the conductive bracket being formed with the conductive groove, and a conductive layer laid on a groove wall of the conductive groove, the conductive layer abutting and electrically connected with the shielding mesh layer.

3. The on-vehicle supervisory equipment according to claim 2, wherein the electrically conductive support includes a first support, a second support and a fastener, the first support is provided on the electrically conductive shell, the second support is in butt joint with the first support so as to form the electrically conductive groove, the second support and the inner side of the first support are laid with the electrically conductive layer, the transmission line is located between the first support and the second support, the fastener fastening connection the first support and the second support, make the first support and the second support can press the electrically conductive layer on the shielding layer of the transmission line.

4. The vehicle-mounted monitoring device of claim 3, wherein the conductive bracket further comprises a bracket base, the bracket base being disposed on the conductive housing, the bracket base being provided with the first bracket.

5. The in-vehicle monitoring device of claim 4, wherein the conductive bracket further comprises a conductive block disposed between the bracket base and the conductive housing, the conductive block abutting the bracket base and the conductive housing, respectively.

6. A vehicle-mounted monitoring device as claimed in claim 3, wherein the conductive layer is deformed by the first and second brackets to conform to the shape of the transmission line.

7. The in-vehicle monitoring device of claim 6, wherein the conductive layer is conductive foam.

8. The in-vehicle monitoring device of any of claims 1-7, wherein the shielding mesh layer comprises a shielding mesh and a shielding braid.

9. The in-vehicle monitoring device according to any one of claims 1 to 7, further comprising a circuit board provided on the conductive housing, the transmission line being electrically connected to the circuit board.

10. A vehicle characterized by comprising a vehicle body and the in-vehicle monitoring apparatus according to any one of claims 1 to 9, the in-vehicle monitoring apparatus being mounted on the vehicle body.