Shock-resistant intermediate-frequency pulse power supply

Abstract

The utility model relates to the technical field of electrical equipment, and discloses a shock-resistant intermediate-frequency pulse power supply, which comprises a shell, a power supply main body is arranged in the shell, the shell comprises a casing, a cover is fixedly mounted at the top of the casing through screws, and an insulating plate is fixedly mounted at the bottom in the casing. A plurality of hollow buffer rubber strips are fixedly connected to the top of the insulating plate at equal intervals from front to back, and the power supply main body comprises a medium-frequency pulse power supply mainboard fixedly connected to the tops of the plurality of hollow buffer rubber strips. According to the utility model, the interface board is arranged at the front end of the whole intermediate-frequency pulse power supply mainboard, the interface board is connected with the intermediate-frequency pulse power supply mainboard through the connecting flat cable, and the plurality of output interfaces are arranged at the front end of the interface board, so that different transmission lines can be respectively connected for multi-end output; the multi-end output load of the power output end is jointly borne by the interface board and the transmission lines, and compared with a single-transmission-line load structure design, the multi-end output load is high in bearing capacity and not prone to damage.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a shock-resistant medium-frequency pulse power supply. Background Art

[0002] A medium frequency power supply is a static frequency conversion device that converts three-phase industrial frequency power into single-phase power. It has strong adaptability to various loads and a wide range of applications. It is mainly used in the smelting, insulation, sintering, welding, quenching, tempering, heat transfer, metal liquid purification, heat treatment, pipe bending, and crystal growth of various metals. There are many types, including medium frequency pulse power supplies.

[0003] The existing medium-frequency pulse power supply has the following problems when in use: it is usually provided with a casing on the outside, and a medium-frequency pulse power supply mainboard is provided inside the casing for power conversion, and is connected to multiple transmission lines through a single output interface for diversion and output. The output channel from the power output end is single. Although multi-end output can be achieved through multiple transmission lines, the load of the transmission line is large and it is very easy to be damaged. In addition, the medium-frequency pulse power supply mainboard is directly installed in the casing, is not shockproof, and is very easy to be damaged by random casing vibration. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the present invention provides a shock-resistant medium-frequency pulse power supply, which solves the problems raised in the background art.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a shock-resistant medium-frequency pulse power supply, comprising a shell, a power supply body is arranged in the shell, the shell comprises a casing, a cover is fixedly installed on the top of the casing by screws, an insulating plate is fixedly installed on the bottom of the casing, a plurality of hollow buffer rubber strips are fixedly connected to the top of the insulating plate at equal distances from front to back, the power supply body comprises a medium-frequency pulse power supply mainboard fixedly connected to the top of the plurality of hollow buffer rubber strips, the front end of the medium-frequency pulse power supply mainboard is connected to the interface board through a cable, and the rear end side of the medium-frequency pulse power supply mainboard is connected to the three-phase industrial frequency power interface through a cable, an installation groove is opened at the front end of the casing, a buffer rubber ring is fixedly installed on the inner wall of the installation groove, and the interface board is fixedly installed in the buffer rubber ring.

[0008] As a further solution of the present invention: the front end of the interface board is provided with multiple single-phase power interfaces, the rear end of the interface board is provided with multiple voltage-stabilizing capacitors, a matching groove is opened on the upper side of the rear end of the casing, and the three-phase industrial frequency power interface is fixedly installed in the matching groove.

[0009] As a further solution of the present invention: a plurality of circular heat dissipation holes are opened at the lower side of the rear end of the casing, a plurality of honeycomb heat dissipation holes are opened at the top of the cover, and a group of strip heat dissipation holes are opened at each end of the cover, and a group of strip heat dissipation holes is multiple and arranged at equal distances from front to back.

[0010] As a further solution of the present invention: a heat dissipation groove is opened on the other side of the rear end of the casing, and a heat dissipation fan is fixedly installed at the rear end of the inner wall of the casing and located at the heat dissipation groove. The heat dissipation fan is connected to the medium frequency pulse power supply mainboard through a power supply line.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. In the present invention, an interface board is provided at the front end of the overall medium-frequency pulse power supply mainboard, and the interface board is connected to the medium-frequency pulse power supply mainboard through a connecting cable. At the same time, a plurality of output interfaces are provided at the front end of the interface board, which can be connected to different transmission lines for multi-terminal output. The multi-terminal output load of the power supply output end is jointly borne by the interface board and the plurality of transmission lines. Compared with the single transmission line load structure design, the load-bearing capacity is stronger and it is not easy to be damaged.

[0013] 2. In the present invention, an insulating plate is fixedly installed at the bottom of the casing, and a plurality of hollow buffer rubber strips are fixedly connected to the top of the insulating plate at equal intervals from front to back, and the medium-frequency pulse power supply mainboard is arranged above the plurality of hollow buffer rubber strips. In addition, a buffer rubber ring is arranged between the outer side of the interface board and the inner side of the mounting groove. The mainboard and output end of the entire medium-frequency pulse power supply are provided with a buffer shock-absorbing structure, which is not easily damaged by the vibration of the casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall three-dimensional Figure 1 ;

[0015] Figure 2 The overall three-dimensional Figure 2 ;

[0016] Figure 3 This is a three-dimensional diagram of the housing of the utility model;

[0017] Figure 4 This is a three-dimensional diagram of the power supply body of the present utility model.

[0018] In the figure: 1. Outer shell; 2. Power supply body; 11. Casing; 12. Mounting slot; 13. Buffer rubber ring; 14. Heat dissipation circular hole; 15. Heat dissipation slot; 16. Insulation plate; 17. Hollow buffer rubber strip; 18. Machine cover; 19. Honeycomb heat dissipation hole; 110. Strip heat dissipation hole; 21. Medium frequency pulse power supply mainboard; 22. Interface board; 23. Three-phase industrial frequency power supply interface; 24. Cooling fan. DETAILED DESCRIPTION

[0019] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] See also Figures 1 to 4 In the embodiment of the present invention, a seismic-resistant medium-frequency pulse power supply comprises a shell 1, a power supply body 2 is arranged in the shell 1, the shell 1 comprises a casing 11, a cover 18 is fixedly installed on the top of the casing 11 by screws, an insulating plate 16 is fixedly installed on the bottom of the casing 11, a plurality of hollow buffer rubber strips 17 are fixedly connected to the top of the insulating plate 16 at equal distances from the front to the back, the power supply body 2 comprises a medium-frequency pulse power supply mainboard 21 fixedly connected to the top of the plurality of hollow buffer rubber strips 17, the front end of the medium-frequency pulse power supply mainboard 21 is connected to the interface board 22 through a cable, and the rear end side of the medium-frequency pulse power supply mainboard 21 is connected to the three-phase working The medium frequency power supply interface 23, the front end of the casing 11 is provided with a mounting groove 12, the inner wall of the mounting groove 12 is fixedly installed with a buffer rubber ring 13, the interface board 22 is fixedly installed in the buffer rubber ring 13, the bottom of the casing 11 is fixedly installed with an insulating plate 16, and the top of the insulating plate 16 is fixedly connected with multiple hollow buffer rubber strips 17 at equal distances from front to back, and the medium frequency pulse power supply mainboard 21 is arranged above the multiple hollow buffer rubber strips 17. In addition, a buffer rubber ring 13 is arranged between the outer side of the interface board 22 and the inner side of the mounting groove 12. The mainboard and output end of the overall medium frequency pulse power supply are provided with a buffer shock-absorbing structure, which is not easily damaged by the vibration of the random casing 11.

[0023] The front end of the interface board 22 is provided with multiple single-phase power interfaces, and the rear end of the interface board 22 is provided with multiple voltage-stabilizing capacitors. A matching slot is opened on the upper side of the rear end of the casing 11, and the three-phase industrial frequency power interface 23 is fixedly installed in the matching slot. The front end of the overall medium frequency pulse power supply mainboard 21 is provided with an interface board 22, and the interface board 22 is connected to the medium frequency pulse power supply mainboard 21 through a connecting cable. At the same time, the front end of the interface board 22 is provided with multiple output interfaces, which can be connected to different transmission lines for multi-terminal output. The multi-terminal output load of the power output end is jointly borne by the interface board 22 and multiple transmission lines. Compared with the single transmission line load structure design, its carrying capacity is stronger and not easy to be damaged.

[0024] A plurality of circular heat dissipation holes 14 are provided at the lower side of the rear end of the casing 11, a plurality of honeycomb heat dissipation holes 19 are provided at the top of the cover 18, and a group of strip heat dissipation holes 110 are provided at each end of the cover 18. There are multiple strip heat dissipation holes 110 in a group and they are arranged at equal distances from front to back. The working heat of the medium frequency pulse power supply mainboard 21 in the casing 1 can be passively dissipated through the multiple heat dissipation holes.

[0025] A heat dissipation groove 15 is provided on the other side of the rear end of the casing 11, and a heat dissipation fan 24 is fixedly installed at the rear end of the inner wall of the casing 11 and located at the heat dissipation groove 15. The heat dissipation fan 24 is connected to the medium frequency pulse power supply mainboard 21 through a power supply line. The working heat of the medium frequency pulse power supply mainboard 21 in the outer casing 1 can be actively discharged to the outside of the outer casing 1 through the heat dissipation fan 24.

[0026] The working principle of the present invention is as follows: the three-phase power frequency power supply line can be connected through the three-phase power frequency power supply interface 23, and the current of the three-phase power frequency power supply is transmitted to the intermediate frequency pulse power supply mainboard 21, which is converted into a unidirectional current. The front end of the intermediate frequency pulse power supply mainboard 21 is provided with an interface board 22, and the interface board 22 is connected to the intermediate frequency pulse power supply mainboard 21 through a connecting cable. At the same time, the front end of the interface board 22 is provided with multiple output interfaces, which can be connected to different transmission lines for multi-terminal output. The multi-terminal output load of the power output end is connected by the interface board 22 and multiple The transmission lines share the load, and compared with the single transmission line load structure design, its load-bearing capacity is stronger and not easy to be damaged. In addition, an insulating plate 16 is fixedly installed at the bottom of the casing 11, and a plurality of hollow buffer rubber strips 17 are fixedly connected to the top of the insulating plate 16 at equal distances from front to back, and the medium-frequency pulse power supply mainboard 21 is arranged above the plurality of hollow buffer rubber strips 17. In addition, a buffer rubber ring 13 is arranged between the outer side of the interface board 22 and the inner side of the installation groove 12. The mainboard and output end of the overall medium-frequency pulse power supply are provided with a buffer shock-absorbing structure, which is not easily damaged by the vibration of the random casing 11.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A seismic-resistant medium-frequency pulse power supply, comprising a housing (1), wherein a power supply body (2) is arranged in the housing (1); Its characteristics are: The housing (1) comprises a casing (11), a cover (18) being fixedly mounted on the top of the casing (11) by screws, an insulating plate (16) being fixedly mounted on the bottom of the casing (11), and a plurality of hollow buffer rubber strips (17) being fixedly connected to the top of the insulating plate (16) at equal intervals from front to back; The power supply body (2) includes a medium-frequency pulse power supply mainboard (21) fixedly connected to the top of a plurality of hollow buffer rubber strips (17), the front end of the medium-frequency pulse power supply mainboard (21) is connected to an interface board (22) via a flat cable, and the rear end of the medium-frequency pulse power supply mainboard (21) is connected to a three-phase industrial frequency power supply interface (23) via a flat cable; A mounting groove (12) is provided at the front end of the housing (11), a buffer rubber ring (13) is fixedly mounted on the inner wall of the mounting groove (12), and the interface plate (22) is fixedly mounted in the buffer rubber ring (13).

2. The shock-resistant medium-frequency pulse power supply according to claim 1, characterized in that: The front end of the interface board (22) is provided with a plurality of single-phase power supply interfaces, and the rear end of the interface board (22) is provided with a plurality of voltage-stabilizing capacitors.

3. The shock-resistant medium-frequency pulse power supply according to claim 1, characterized in that: A matching groove is provided on one upper side of the rear end of the housing (11), and the three-phase industrial frequency power supply interface (23) is fixedly installed in the matching groove.

4. The shock-resistant medium-frequency pulse power supply according to claim 1, characterized in that: A plurality of heat dissipation circular holes (14) are provided below one side of the rear end of the housing (11), and a heat dissipation groove (15) is provided on the other side of the rear end of the housing (11).

5. The shock-resistant medium-frequency pulse power supply according to claim 1, characterized in that: A heat dissipation fan (24) is fixedly installed at the rear end of the inner wall of the housing (11) and located at the heat dissipation slot (15). The heat dissipation fan (24) is connected to the intermediate frequency pulse power supply mainboard (21) via a power supply line.

6. The shock-resistant medium-frequency pulse power supply according to claim 1, characterized in that: A plurality of honeycomb heat dissipation holes (19) are provided on the top of the cover (18).

7. The shock-resistant medium-frequency pulse power supply according to claim 1, characterized in that: A group of strip-shaped heat dissipation holes (110) is respectively provided at both ends of the machine cover (18), and a group of the strip-shaped heat dissipation holes (110) is a plurality of and is arranged at equal distances from the front to the back.

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