CN214478262U - High-voltage component device and vehicle with same - Google Patents

Abstract

The utility model discloses a high pressure components and parts device and vehicle that has it, high pressure components and parts device includes: the high-voltage component is provided with a high-voltage wire harness, and the high-voltage wire harness is provided with a shielding layer; the high-voltage connector comprises a high-voltage connector, wherein a connector shielding part is arranged in the high-voltage connector, and the connector shielding part is in contact with and conducted with a shielding layer; the intermediate piece is arranged on the high-voltage component and is suitable for being connected with the grounding device; and two ends of the shielding piece are respectively contacted and conducted with the connector clip shielding part and the intermediate piece. According to the utility model discloses a high-pressure components and parts device can realize high-pressure components and parts device shielding electromagnetic interference's function, and high-pressure components and parts device's simple structure facilitates processing simultaneously, and the high-pressure components and parts device of being convenient for is batched.

Description

High-voltage component device and vehicle with same

Technical Field

The utility model belongs to the technical field of the electromagnetic compatibility technique and specifically relates to a high-voltage components and parts device and vehicle that has it are related to.

Background

Since the middle of the 20 th century, the rapid development of electronic technology has brought a new step to the progress and culture of human society, but has brought a series of social problems and environmental problems to people. The wide popularization and application of automatic control, measuring instruments, power electronic systems and the like in various fields of industries such as household appliances, communication, computers and information equipment, electric tools, aviation, aerospace and the like, science and technology, medicine and the like go deep into thousands of households, so that the problem of electromagnetic pollution is increasingly prominent, and the high frequency and digitization of electronic equipment and the energy density of interference signals are increased, so that the electromagnetic environment in a limited space is more deteriorated. In order to improve the living environment of human beings and improve the quality of life of people, we should pay attention to the problem of EMC (Electromagnetic Compatibility).

In the related art, a corresponding high-voltage component device is generally disposed in a vehicle to prevent electromagnetic leakage and electromagnetic interference. However, the existing high-voltage component device has a complicated production process and high cost, so that the high-voltage component device cannot meet the requirement of mass production.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a high-voltage components and parts device for high-voltage components and parts device's simple structure, the convenient processing, the high-voltage components and parts device batch production of being convenient for.

Another object of the present invention is to provide a vehicle using the above high voltage component device.

According to the utility model discloses high-voltage components and parts device of first aspect embodiment includes: a high voltage component having a high voltage wire harness with a shielding layer; the high-voltage connector comprises a high-voltage connector, wherein a connector shielding part is arranged in the high-voltage connector, and the connector shielding part is in contact with and conducted with the shielding layer; the intermediate piece is arranged on the high-voltage component and is suitable for being connected with a grounding device; and the two ends of the shielding piece are respectively contacted and conducted with the connector clip shielding part and the intermediate piece.

According to the utility model discloses high-voltage components and parts device, through contacting plug connector shielding part and shielding layer and switching on, the middleware is suitable for and links to each other with earthing device, and the both ends of shielding part contact with plug connector shielding part and middleware respectively and switch on. Therefore, the function of shielding electromagnetic interference of the high-voltage component device can be realized, and meanwhile, the high-voltage component device is simple in structure, convenient to process and convenient for batch production of the high-voltage component device.

According to some embodiments of the utility model, be equipped with the shielding boss on the middleware, the one end of shielding with the shielding boss ends to.

According to some embodiments of the utility model, the shield the one end be equipped with the orientation the convex bellying of shielding boss, the bellying ends with the shielding boss.

According to some embodiments of the invention, the one end of the shield is formed with an edge at least one elongated hole that the thickness direction of the shield link up, the elongated hole is followed the length direction of the shield extends.

According to some embodiments of the utility model, be equipped with at least one spacing portion on the shielding piece, spacing position in the shielding boss with between the high-pressure plug connector.

According to some embodiments of the present invention, the high-voltage component is provided with a mounting seat, and the high-voltage connector has at least one connecting portion, and the connecting portion is connected to an upper surface of the mounting seat through at least one threaded fastener so that the high-voltage connector is connected to the high-voltage component; the one end of the shielding piece is abutted against the top surface of the shielding boss.

According to some embodiments of the utility model, the shield is the shielding shell fragment, just the shield includes: a body; the conducting layer, the conducting layer cladding is in this is external, the shielding part passes through the conducting layer with plug connector shielding part with the middleware contact just switches on.

According to some embodiments of the invention, the outer surface of the high-voltage connector is provided with a shielding film.

According to some embodiments of the present invention, the high voltage component includes a battery heater, and the intermediate member includes a PTC core.

According to the utility model discloses vehicle of second aspect embodiment, include according to the utility model discloses the high-voltage components and parts device of above-mentioned first aspect embodiment.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a high-voltage component device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the high voltage component assembly shown in FIG. 1;

fig. 3 is a schematic diagram of a shield of a high-voltage component arrangement according to an embodiment of the present invention;

fig. 4 is an assembly diagram of a mounting seat, an intermediate member and a high-voltage connector of a high-voltage component device according to an embodiment of the present invention;

fig. 5 is an assembled side view of the mount, intermediate piece and high-pressure plug shown in fig. 4.

Reference numerals:

100: a high voltage component device;

1: a high-voltage component; 11: a high voltage wire harness; 12: a mounting seat;

2: a high-voltage plug connector; 21: a connecting portion;

3: a middleware; 31: shielding the boss;

4: a shield; 41: a boss portion; 42: a strip-shaped hole; 43: a limiting part.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A high-voltage component device 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1 to 5, the high-voltage component device 100 according to the embodiment of the present invention includes a high-voltage component 1, a high-voltage connector 2, an intermediate member 3, and a shielding member 4.

Specifically, the high-voltage component 1 includes a high-voltage harness 11, and the high-voltage harness 11 includes a shield layer. The high voltage wire harness 11 may include a positive electrode wire harness and a negative electrode wire harness, and both the positive electrode wire harness and the negative electrode wire harness have a shield layer therein. And a connector shielding part is arranged in the high-voltage connector 2 and is in contact with and conducted with the shielding layer. The intermediate piece 3 is arranged on the high-voltage component 1, and the intermediate piece 3 is suitable for being connected with a grounding device. Both ends of the shield 4 are in contact with and electrically connected to the connector shield and the intermediate member 3, respectively.

For example, in the example of fig. 1 to 5, the intermediate member 3 may be mounted on the side of the high-voltage component 1 adjacent to the high-voltage connector 2, one end of the shield 4 in the longitudinal direction may be in contact with the connector shield, and the other end of the shield 4 in the longitudinal direction may be in contact with and in conduction with the intermediate member 3. Because the middle part 3 is connected with the grounding device, the shielding layer of the high-voltage wire harness 11 is conducted with the connector shielding part, and two ends of the shielding part 4 are respectively conducted with the connector shielding part and the middle part 3, the grounding of the whole high-voltage component device 100 can be effectively ensured. Moreover, the high-voltage component device 100 can effectively reduce the electromagnetic compatible radiation by utilizing the reflection and/or absorption of the shielding layer, the connector shielding part and the shielding element 4, thereby realizing the function of shielding the electromagnetic interference of the high-voltage component device 100. Simultaneously, compare with traditional high-voltage components and parts device, high-voltage components and parts 1 and high-pressure plug connector 2 in this application can switch on through shielding part 4 and middleware 3, realize whole high-voltage components and parts device 100 ground connection for whole high-voltage components and parts device 100's simple structure, convenient processing, the cost is lower, thereby is convenient for carry out batch production with high-voltage components and parts device 100.

According to the utility model discloses high-voltage components and parts device 100, through contacting plug connector shielding part and shielding layer and switching on, middleware 3 is suitable for and links to each other with earthing device, shielding 4's both ends respectively with plug connector shielding part and 3 contacts of middleware and switch on. Therefore, the function of shielding electromagnetic interference of the high-voltage component device 100 can be realized, and meanwhile, the high-voltage component device 100 is simple in structure, convenient to process and convenient for the high-voltage component device 100 to be batched.

According to some embodiments of the utility model, be equipped with shielding boss 31 on the middleware 3, the one end and the shielding boss 31 of shielding 4 end to. For example, referring to fig. 1-2, the shielding boss 31 may be disposed at an end of the middle part 3 adjacent to the high-voltage connector 2, and the shielding boss 31 vertically extends upward along a direction away from the high-voltage component 1, so that the bottom of the shielding part 4 abuts against the top of the shielding boss 31, and the effectiveness of the conduction between the shielding part 4 and the middle part 3 is ensured, thereby ensuring that the whole high-voltage component apparatus 100 is grounded, and realizing the function of shielding the high-voltage component apparatus 100 from electromagnetic interference.

Further, as shown in fig. 3, the one end of the shield 4 is provided with a protruding portion 41 protruding toward the shield boss 31, and the protruding portion 41 abuts against the shield boss 31. Alternatively, the shape of the projection 41 is substantially arc-shaped, and the projection 41 is formed by projecting a side surface of the shield 4 away from the shield boss 31 toward the shield boss 31. Thereby, the convex portion 41 can be deformed and brought into contact with the shield boss 31, so that the effectiveness of conduction of the shield 4 with the shield boss 31 can be ensured.

According to some embodiments of the present invention, the one end of the shielding member 4 is formed with at least one elongated hole 42 penetrating along the thickness direction of the shielding member 4, the elongated hole 42 extending along the length direction of the shielding member 4. For example, in the example of fig. 3, two elongated holes 42 are formed in the shielding member 4, the two elongated holes 42 are spaced from each other along the width direction of the shielding member 4, and at the same time, the elastic deformation amount of the shielding member 4 can be increased, so that the effective contact area between the shielding member 4 and the shielding boss 31 can be effectively increased, the shielding member 4 can be ensured to be conducted with the shielding boss 31, the material consumption of the shielding member 4 can be effectively reduced, and the cost can be reduced.

Two elongated holes 42 are shown in fig. 2 for illustrative purposes, but it is obvious to those skilled in the art after reading the technical solution of the present application that the solution can be applied to three or more elongated holes 42, which also falls within the protection scope of the present invention.

Alternatively, referring to fig. 3, an elongated hole 42 penetrates the one end face of the shield 4. So set up, can further reduce the material quantity of shield 4, further increase the elastic deformation volume of shield 4 simultaneously for shield 4 is changeed and is kept in contact with shielding boss 31 all the time.

Furthermore, at least one limiting part 43 is arranged on the shielding element 4, and the limiting part 43 is located between the shielding boss 31 and the high-voltage plug connector 2. For example, in the example of fig. 3, both sides in the width direction of the shield 4 are provided with the stopper portions 43, and both the stopper portions 43 are provided at one end of the shield 4 away from the boss portion 41, and each stopper portion 43 extends obliquely downward toward a direction away from the center of the shield 4. When the shielding member 4 is assembled on the high-voltage connector 2, the limiting portion 43 can separate the shielding boss 31 from the high-voltage connector 2, and the interference between the shielding boss 31 and the high-voltage connector 2 can be effectively avoided.

According to the utility model discloses a some embodiments are equipped with mount pad 12 on the high voltage components and parts 1, and high-pressure plug connector 2 has at least one connecting portion 21, and connecting portion 21 connects on the upper surface of mount pad 12 so that high-pressure plug connector 2 connects on high voltage components and parts 1 through at least one threaded fastener, and the above-mentioned one end of shielding 4 ends with the top surface of shielding boss 31. For example, referring to fig. 4 and 5, the mounting base 12 is disposed on one side of the high-voltage component 1 adjacent to the high-voltage connector 2, the high-voltage connector 2 is provided with two connecting portions 21, and free ends of the two connecting portions 21 can be respectively fixedly connected with an upper surface of the mounting base 12 through threaded fasteners such as screws, so as to ensure the mounting stability of the high-voltage connector 2, facilitate the mounting and dismounting of the high-voltage connector 2, and simultaneously enable the shielding element 4 to be better in contact with and conducted with the shielding boss 31.

In some alternative embodiments, the shield 4 may be a shield spring. So set up, when connecting portion 21 fixed connection is in mount pad 12, elastic deformation can take place for the shielding shell fragment, guarantees that shielding 4 can remain effective contact throughout with shielding boss 31 to make whole high voltage components and parts device 100 can ground connection effectively. But is not limited thereto.

According to some embodiments of the utility model, shielding part 4 includes body and conducting layer, and the conducting layer cladding is outside this body, and shielding part 4 just switches on through conducting layer and plug connector shielding part and 3 contacts of intermediate part. For example, a conductive layer can be formed on the surface of the body by means of metal spraying, plastic electroplating, vacuum evaporation, metal foil pasting, and the like, so that the shielding performance of the shielding member 4 can reach 45dB to 120dB, or even higher. Therefore, the shielding performance of the shielding piece 4 is effectively ensured while the shielding piece 4 is ensured to be conducted with the connector shielding part and the intermediate piece 3.

In some optional embodiments, the conductive layer has a thickness t, where t satisfies: t is more than or equal to 2 mu m and less than or equal to 5 mu m. When t is less than 2 μm, the conductive layer on the outer surface of the body is thin, and the conductive layer is easy to fall off from the body, so that the conductivity between the shielding part 4 and the plug connector shielding part and the middle part 3 is influenced, and the shielding effect of the high-voltage component device 100 is influenced; when t > 5 μm, the conductive layer is thicker on the outer surface of the body, resulting in a more complicated processing process and higher cost of the conductive layer. Therefore, when t is more than or equal to 2 μm and less than or equal to 5 μm, the shielding effect of the high-voltage component device 100 can be effectively ensured, the processing of the conductive layer is facilitated, and the cost is reduced.

In some alternative embodiments, the outer surface of the high-voltage plug 2 is provided with a shielding film. Therefore, by arranging the shielding film on the outer surface of the high-voltage connector 2, unnecessary gaps on the high-voltage connector 2 can be effectively reduced or eliminated, the shielding film can inhibit electromagnetic coupling radiation, electromagnetic leakage and interference are reduced, and meanwhile, the shielding performance of the high-voltage connector 2 can be further enhanced.

Alternatively, the high-voltage connector 2 may be a plastic composite member, and the plastic composite member may be made by doping a conductive substance such as carbon black, metal powder, or metal fiber in resin, so that the shielding performance of the high-voltage connector 2 itself may reach 30dB to 80 dB.

Alternatively, the shielding film may be a conductive paint. For example, the conductive paint may be made by doping a synthetic resin, a solvent and additives with a conductive substance such as Ag (silver), Ni (nickel), Cu (copper) or C (carbon) as a filler. The conductive coating can be applied to the surface of the high-voltage connector 2 to form a shielding film, so as to generate a conductive shielding effect. The shielding performance of the shielding film can reach 20 dB-60 dB.

According to the utility model discloses a some embodiments, the shielding layer is connected with plug connector shielding part buckle. For example, a buckle may be arranged on the shielding layer, and a clamping groove is formed on the connector shielding portion, so that the buckle may be fitted into the clamping groove during installation, thereby realizing conduction between the shielding layer and the connector shielding portion; alternatively, the clip may be formed on the connector shielding portion, and the clip groove may be formed on the shielding layer. By the arrangement, the assembling mode of the high-voltage component 1 and the high-voltage plug connector 2 is simple, the assembly and disassembly of the shielding layer and the plug connector shielding part are convenient, the assembling efficiency of the high-voltage component device 100 can be effectively improved, and the high-voltage component device 100 can be conveniently produced in batch.

According to some embodiments of the utility model, high voltage components and parts 1 includes battery heater. When the vehicle runs in a low-temperature environment in winter, the battery heater can preheat the battery pack of the vehicle to enable the battery pack to be at a normal working temperature, the cruising ability of the vehicle in the low-temperature environment in winter is guaranteed, and meanwhile damage to the battery pack caused by low-temperature charging can be avoided. The intermediate piece 3 comprises a PTC (Positive Temperature Coefficient thermistor) core body, the PTC core body has extremely low impedance and small volume at normal Temperature, can be widely applied to overcurrent protection of various circuits and components in the vehicle, can be installed in a split-line manner, can protect the safe use of each circuit to the maximum extent, and ensures the normal work of the vehicle.

According to a second aspect of the present invention, a vehicle (not shown) includes the high-voltage component device 100 according to the first aspect of the present invention.

According to the utility model discloses vehicle, through adopting above-mentioned high-pressure components and parts device 100, when guaranteeing electromagnetic interference that can shield in the vehicle, can improve the assembly efficiency of vehicle, reduce cost effectively.

Other configurations and operations of vehicles according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A high-voltage component device, comprising:

a high voltage component having a high voltage wire harness with a shielding layer;

the high-voltage connector comprises a high-voltage connector, wherein a connector shielding part is arranged in the high-voltage connector, and the connector shielding part is in contact with and conducted with the shielding layer;

the intermediate piece is arranged on the high-voltage component and is suitable for being connected with a grounding device;

and the two ends of the shielding piece are respectively contacted and conducted with the connector clip shielding part and the intermediate piece.

2. A high-voltage component device as claimed in claim 1, wherein the intermediate member is provided with a shielding protrusion, and one end of the shielding member abuts against the shielding protrusion.

3. A high-voltage component device as claimed in claim 2, wherein the one end of the shielding member is provided with a protrusion protruding toward the shielding projection, and the protrusion abuts against the shielding projection.

4. A high-voltage component device as claimed in claim 3, wherein the one end of the shield is formed with at least one elongated hole penetrating in a thickness direction of the shield, the elongated hole extending in a length direction of the shield.

5. The high-voltage component device according to claim 2, wherein the shielding member is provided with at least one limiting portion, and the limiting portion is located between the shielding boss and the high-voltage plug connector.

6. The high-voltage component device according to claim 2, wherein a mounting seat is provided on the high-voltage component, and the high-voltage connector has at least one connecting portion connected to an upper surface of the mounting seat by at least one threaded fastener so that the high-voltage connector is connected to the high-voltage component;

the one end of the shielding piece is abutted against the top surface of the shielding boss.

7. The high-voltage component device according to claim 1, wherein the shielding member is a shielding spring, and the shielding member comprises:

a body;

the conducting layer, the conducting layer cladding is in this is external, the shielding part passes through the conducting layer with plug connector shielding part with the middleware contact just switches on.

8. The high-voltage component device as claimed in claim 1, wherein the outer surface of the high-voltage connector is provided with a shielding film.

9. A high-voltage component device as claimed in any one of claims 1 to 8, wherein the high-voltage component comprises a battery heater and the intermediate member comprises a PTC core.

10. A vehicle, characterized by comprising a high-voltage component device according to any one of claims 1 to 9.

Images