Electromagnetic shielding framework of high-voltage three-phase line connector of hybrid transmission

Abstract

The utility model relates to the field of hybrid transmissions, and discloses a hybrid transmission high-voltage three-phase line connector electromagnetic shielding framework which comprises a motor shell, a motor is arranged in the motor shell, a motor copper bar is arranged in the motor shell, the outer side of the motor copper bar is connected with an electric control shell, and the outer side of the electric control shell is connected with an electromagnetic shielding device. An electric control shell installation opening is formed in the bottom of the electric control shell, and an electric signal connection output opening is formed in the electric control shell. According to the utility model, the electric control shells are fixed through the bolts, so that contact is ensured, and good shielding grounding is realized; the electric control shells form a relatively closed cavity to wrap the three-phase copper bar connector, and meanwhile, the double-shielding and double-step design is adopted, so that the electromagnetic shielding effect is improved; according to the utility model, the first step surface is higher than the second step surface, thereby facilitating drainage; and the second shielding layer and the second step surface are in clearance design, so that installation interference deformation caused by processing deviation can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of hybrid transmissions, and in particular to an electromagnetic shielding architecture of a high-voltage three-phase line connector of a hybrid transmission. Background Art

[0002] The motor and electronic control are separated: the three-phase lines are connected by passing the connector through the cylinder, and the connecting wire harness is electromagnetically shielded by means of metal braided mesh. This method requires a large layout space and has high material costs. The motor and electronic control are integrated: the three-phase copper busbar is hard-connected by passing the connector through the cylinder, and the three-phase copper busbar connector is in contact with the motor and electronic control housing through the shrapnel and springs provided to form a relatively closed space and contact grounding to achieve an electromagnetic shielding effect. The three-phase copper busbar connector of this method has high material costs and a complex structure. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose an electromagnetic shielding architecture of a high-voltage three-phase line connector of a hybrid transmission.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electromagnetic shielding architecture of a high-voltage three-phase line connector of a hybrid transmission, comprising a motor housing, a motor is arranged inside the motor housing, a motor copper bus is arranged inside the motor housing, an electric control housing is connected to the outside of the motor copper bus, an electric control housing installation port is opened at the bottom of the electric control housing, and an electrical signal connection output port is opened on the electric control housing.

[0005] As a further description of the above technical solution: the motor and the motor housing are connected by bolts.

[0006] As a further description of the above technical solution: the installation openings of the electric control housing are evenly opened on the bottom surface of the electric control housing.

[0007] As a further description of the above technical solution: the motor copper busbar and the motor housing are detachably connected.

[0008] As a further description of the above technical solution: the electrical signal connection output port and the motor housing are through-connected.

[0009] The utility model has the following beneficial effects:

[0010] 1. In the present utility model, the electric control housing is fixed to the electric control housing by bolts to ensure contact and achieve good shielding and grounding;

[0011] 2. In the present invention, the electric control housing and the electric control housing form a relatively closed cavity to enclose the three-phase copper busbar connector, and at the same time adopt a double shielding and double-step design to improve the electromagnetic shielding effect.

[0012] 3. In the present invention, the first step surface is designed to be higher than the second step surface, which is conducive to drainage.

[0013] 4. In the present invention, a gap is designed between the second shielding layer and the second stepped surface, which can avoid installation interference deformation caused by processing deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of an electric control housing of an electromagnetic shielding structure of a high-voltage three-phase line connector of a hybrid transmission proposed by the utility model;

[0015] Figure 2 This is a three-dimensional view of the interior of a motor housing of an electromagnetic shielding structure of a high-voltage three-phase line connector of a hybrid transmission proposed by the utility model;

[0016] Figure 3 This is a connection indication diagram of a three-phase copper busbar connector of an electromagnetic shielding architecture of a high-voltage three-phase line connector of a hybrid transmission proposed by the utility model;

[0017] Figure 4 The electromagnetic shielding principle of the electromagnetic shielding structure of the high-voltage three-phase line connector of a hybrid transmission proposed by the utility model Figure 1 ;

[0018] Figure 5 The electromagnetic shielding principle of the electromagnetic shielding structure of the high-voltage three-phase line connector of a hybrid transmission proposed by the utility model Figure 2 .

[0019] Legend:

[0020] 1. Electric control housing; 2. Electrical signal connection output port; 3. Installation port of electric control housing; 4. Motor housing; 5. Motor; 6. Motor copper busbar. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-5The utility model provides an embodiment: an electromagnetic shielding architecture of a high-voltage three-phase line connector of a hybrid transmission, including a motor housing 4, a motor 5 is arranged inside the motor housing 4, a motor copper bus 6 is arranged inside the motor housing 4, an electric control housing 1 is connected to the outside of the motor copper bus 6, an electric control housing installation port 3 is opened at the bottom of the electric control housing 1, and an electrical signal connection output port 2 is opened on the electric control housing 1.

[0023] The motor 5 and the motor housing 4 are connected by bolts.

[0024] The electric control housing installation openings 3 are evenly arranged on the bottom surface of the electric control housing 1 .

[0025] The motor copper busbar 6 and the motor housing 4 are detachably connected.

[0026] The electrical signal connection output port 2 and the motor housing 4 are connected through.

[0027] Working principle: Connect one side of the three-way copper busbar connector to the motor copper busbar 6 inside the motor housing 4, and put the other side of the three-way copper busbar connector into the electrical signal connection output port 2 on the electronic control housing 1. Use fastening bolts to fix the motor housing 4 on the electronic control housing installation port 3, thereby controlling the motor 4.

[0028] By adopting a double-step surface design on the peripheral covering of a pair of three-phase copper bars in the electric control housing 1, electromagnetic waves are prevented from directly penetrating the shielding layer from the shielding gap. The electromagnetic shielding capability is improved through the double shielding design.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hybrid transmission high voltage three-phase line connector electromagnetic shielding architecture, comprising a motor housing (4), characterized in that: A motor (5) is arranged inside the motor housing (4), a motor copper busbar (6) is arranged inside the motor housing (4), an electric control housing (1) is connected to the outside of the motor copper busbar (6), an electric control housing installation opening (3) is provided at the bottom of the electric control housing (1), and an electric signal connection output opening (2) is provided on the electric control housing (1).

2. The electromagnetic shielding structure of a high-voltage three-phase line connector of a hybrid transmission according to claim 1, characterized in that: The motor (5) and the motor housing (4) are connected by bolts.

3. The electromagnetic shielding structure of a high-voltage three-phase line connector of a hybrid transmission according to claim 1, characterized in that: The electric control housing installation openings (3) are evenly arranged on the bottom surface of the electric control housing (1).

4. The electromagnetic shielding structure of a high-voltage three-phase line connector of a hybrid transmission according to claim 1, characterized in that: The motor copper busbar (6) and the motor housing (4) are detachably connected.

5. The electromagnetic shielding structure of a high-voltage three-phase line connector of a hybrid transmission according to claim 1, characterized in that: The electrical signal connection output port (2) and the motor housing (4) are connected through a through connection.

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