Three-phase column insulation structure of electric compressor

Abstract

The utility model relates to the technical field of compressors, in particular to a three-phase column insulation structure of an electric compressor, which comprises a base, two low baffles and two high baffles, the high baffles are fixedly connected with the base and positioned on the surface of the base, the two low baffles are fixedly connected with the base and correspond to one side of the high baffles, and the base is mounted on a three-phase column. Wherein the two high baffles separate the three three-phase columns and the soldering tin on the PCB, the two short baffles separate the three-phase columns and the screws, and through the arrangement of the structure, the problems that in the prior art, the distance between the soldering tin of the three-phase binding post is small, the creepage distance is small, and the electrical gap does not meet the safety requirement of 800 V or above, so that the electrical safety of the compressor is not high are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of compressors, in particular to a three-phase column insulation structure of an electric compressor. Background Art

[0002] The working principle of a three-phase electric compressor is to use the phase difference of the three-phase electricity to generate a torque to drive the rotor of the compressor to operate. Currently, welding is used to connect the three-phase column of the electric compressor to the PCB board.

[0003] However, in the above-mentioned prior art, the distance between the solders of the three-phase terminal posts is small, the creepage distance is small, and the electrical clearance does not meet the safety requirements of more than 800V, resulting in low electrical safety of the compressor. Utility Model Content

[0004] The utility model aims to provide a three-phase column insulation structure for an electric compressor, which solves the problem in the prior art that the distance between the solders of the three-phase terminals is small, the creepage distance is small, and the electrical clearance does not meet the safety requirements of more than 800V, resulting in low electrical safety of the compressor.

[0005] To achieve the above-mentioned purpose, the utility model provides a three-phase column insulation structure of an electric compressor, including a base, two short baffles and two high baffles, the high baffles are fixedly connected to the base and located on the surface of the base, and the two short baffles are fixedly connected to the base and correspond to one side of the high baffle.

[0006] Among them, the surface of the base is provided with three clearance holes, and the three clearance holes are respectively arranged between the two high baffles and between the corresponding high-grade board and the corresponding low baffle.

[0007] Wherein, the surface of the base is also provided with two screw through holes, and the two screw through holes are arranged at two ends of the base.

[0008] Wherein, the high baffle is arranged in a T-shape, and the top end of the high baffle is arranged in a trapezoidal shape.

[0009] Wherein, a retaining ring is arranged on the outer side of the base

[0010] The utility model discloses a three-phase column insulation structure of an electric compressor, wherein the high baffle is fixedly connected to the base and is located on the surface of the base, and two short baffles are fixedly connected to the base and correspond to one side of the high baffle, and the base is installed on the three-phase column, wherein two of the high baffles separate three three-phase columns and the solder on a PCB board, and two of the short baffles separate the three-phase columns and the screws, thereby increasing the safety of the electric compressor and greatly improving the electrical safety of the compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of a three-phase column insulation structure of an electric compressor of the utility model.

[0013] Figure 2 It is an assembly view of the utility model installed on a three-phase column.

[0014] Figure 3 It is an assembly view of the utility model without installing the three-phase column.

[0015] Figure 4 It is a schematic diagram of creepage distance without installing the utility model.

[0016] Figure 5 It is a schematic diagram of creepage distance when installing the utility model.

[0017] Figure 6 It is a schematic diagram of the electrical gap without installing the utility model.

[0018] Figure 7 It is a schematic diagram of the electrical clearance for installing the utility model.

[0019] 1-base, 2-low baffle, 3-high baffle, 4-clearance hole, 5-screw hole, 6-retaining ring, 101-a three-phase column insulation structure of an electric compressor, 102-screw, 103-PCB board, 104-three-phase column, a-creepage distance, b-electrical clearance. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] See also Figures 1 to 7 The utility model provides a three-phase column insulation structure of an electric compressor, including a base 1, two short baffles 2 and two high baffles 3, the high baffles 3 are fixedly connected to the base 1 and are located on the surface of the base 1, and the two short baffles 2 are fixedly connected to the base 1 and correspond to one side of the high baffles 3.

[0022] In this embodiment, the base 1 is installed on the three-phase column 104, wherein the two high baffles 3 separate the three three-phase columns 104 and the solder on the PCB board, and the two low baffles 2 separate the three-phase columns 104 and the screws 102, thereby increasing the safety of the electric compressor and greatly improving the electrical safety of the compressor.

[0023] Furthermore, three clearance holes 4 are provided on the surface of the base 1, and the three clearance holes 4 are respectively arranged between the two high baffles 3 and between the corresponding high-grade board and the corresponding low baffle 2. The creepage distance a=2a1+a2 greatly increases the length, and the electrical gap b is separated by the utility model.

[0024] In this embodiment, the terminals of the three-phase column 104 are respectively passed through the corresponding clearance holes 4 , and the three clearance holes 4 avoid the glass structure of the three-phase column 104 .

[0025] Furthermore, two screw holes 5 are provided on the surface of the base 1 , and the two screw holes 5 are provided at two ends of the base 1 .

[0026] In this embodiment, the base 1 is mounted on the motor housing by passing two screws 102 through the corresponding screw 102 through holes 5, and the structure is simple and easy to process and install.

[0027] Furthermore, the high baffle is arranged in a T-shape, and the top end of the high baffle 3 is arranged in a trapezoidal shape.

[0028] In this embodiment, the high baffle 3 separates the three-phase columns 104 and facilitates the installation of the PCB board 103 .

[0029] Furthermore, a retaining ring 6 is provided on the outer side of the base 1 .

[0030] In this embodiment, the retaining ring 6 is covered on the outside of the base 1 to limit the positions of the three-phase column 104 and the screw 102, thereby improving stability.

[0031] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A three-phase column insulation structure of an electric compressor, characterized in that: It comprises a base, two short baffles and two high baffles, wherein the high baffles are fixedly connected to the base and are located on the surface of the base, and two short baffles are fixedly connected to the base and correspond to one side of the high baffles.

2. The three-phase column insulation structure of the electric compressor according to claim 1, characterized in that: The surface of the base is provided with three clearance holes, and the three clearance holes are respectively arranged between the two high baffles and between the corresponding high-grade board and the corresponding low baffle.

3. The three-phase column insulation structure of the electric compressor according to claim 2, characterized in that: The surface of the base is also provided with two screw through holes, and the two screw through holes are arranged at two ends of the base.

4. The three-phase column insulation structure of the electric compressor according to claim 3, characterized in that: The high baffle is arranged in a T-shape, and the top end of the high baffle is arranged in a trapezoidal shape.

5. The three-phase column insulation structure of the electric compressor according to claim 4, characterized in that: A retaining ring is arranged on the outer side of the base.

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