Variable-frequency power supply

Abstract

The utility model discloses a variable-frequency power supply, relates to the technical field of power supply device structures, and aims to solve the problems that internal components are damaged due to external acting force during use and the service life of the variable-frequency power supply device is prolonged because the interior of the variable-frequency power supply device in the prior art is lack of a stable structure. A panel is arranged at the front end of the shell, an operation device is arranged on the front end face of the panel, a plurality of heat dissipation openings are formed in the peripheral surface of the shell below the operation device, and a placement groove is formed in the shell; the plug boards are arranged on the two sides of the front end face of the shell, and the shell is in plug-in connection with the two sides of the rear end face of the panel through the plug boards; and the mounting plates are arranged on the inner walls of the two sides of the containing groove, the number of the mounting plates is two, a circuit board is arranged between the two mounting plates, and limiting plates are arranged on the two sides of the circuit board.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply device structure, in particular to a variable frequency power supply. Background Art

[0002] A power supply is a device that converts other forms of energy into electrical energy and provides electrical energy to circuits (electronic devices). Power sources are based on the principle of "magnetic induction of electricity" and can be generated by renewable energy sources such as hydropower, wind power, ocean tides, water pressure differences in dams, solar energy, and burning coal, oil residue, etc. Common power sources are dry cell DC power and household 110V-220V AC power.

[0003] For example, the Chinese authorized patent with announcement number CN214337774U (a new structure variable frequency power supply): includes a power supply body, a touch screen for parameter display is provided at the front end of the power supply body, and multiple cooling fans are arranged at the bottom end of the power supply body. The cooling fans rotate clockwise or counterclockwise. A maintenance cover is provided at the top of the power supply body, and the maintenance cover is hinged to the power supply body through a rotating shaft. A sealing strip is adhered to the side of the maintenance cover facing the power supply body, and the sealing strip is arranged around the side of the maintenance cover. A sealing groove is provided at the top of the power supply body and corresponding to the sealing strip. The sealing strip matches the sealing groove and is used to keep the power supply body and the maintenance cover tightly fitted, which facilitates the replacement of internal components of the variable frequency power supply, reduces maintenance costs, improves heat dissipation effect, improves product dehumidification performance, improves the working environment, extends the service life of the variable frequency power supply, improves cost performance, and improves market competitiveness.

[0004] However, the variable frequency power supply device in the above-mentioned prior art lacks a stable internal structure, so that when in use, the internal components may be damaged due to the external force, thereby shortening its service life; therefore, it does not meet the existing needs. We have proposed a variable frequency power supply. Utility Model Content

[0005] The purpose of the present utility model is to provide a variable frequency power supply to solve the problem that the variable frequency power supply device in the prior art proposed in the above background technology lacks a stable internal structure, so that when in use, the internal components may be damaged due to external forces, thereby shortening their service life.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a variable frequency power supply, comprising a housing, a panel provided at the front end of the housing, an operating device provided on the front end surface of the panel, heat dissipation vents provided on all four sides of the housing below the operating device, and a plurality of heat dissipation vents provided, and a placement slot provided inside the housing;

[0007] Also includes:

[0008] A plug-in board is provided on both sides of the front end face of the housing, and the housing is plug-connected to both sides of the rear end face of the panel through the plug-in board;

[0009] The mounting plates are arranged on the inner walls on both sides of the placement groove, and there are two mounting plates. A circuit board is arranged between the two mounting plates. Limiting plates are arranged on both sides of the circuit board, and the circuit board is plug-connected to the mounting plate through the limiting plates.

[0010] Preferably, handles are installed on both sides of the front end surface of the panel, and fixing frames are provided on both side end surfaces of the panel.

[0011] Preferably, a first fixing hole is provided on the fixing frame, and a second fixing hole is provided on the surface of the plug board.

[0012] Preferably, support blocks are provided at the upper and lower ends of the mounting plate, and four support blocks are provided.

[0013] Preferably, a shock-absorbing damping rod is installed between the support block and the mounting plate.

[0014] Preferably, a power supply, a frequency converter and a heat dissipation fan are provided on the upper surface of the circuit board, and two heat dissipation fans are installed.

[0015] Preferably, limit frames are installed on both sides of the power supply, inverter and heat dissipation fan.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model provides mounting plates on both sides of the placement groove, supporting blocks are provided at the upper and lower ends of the mounting plates, and a shock-absorbing damping rod is installed between the supporting block and the mounting plate. At the same time, the circuit board is plugged into the end face of one side of the mounting plate through the limiting plates on both sides. That is, it plays a limiting role in the placement of the circuit board and at the same time, when the shock-absorbing damping rod changes from the original balanced state to the unbalanced state under the action of the force, the damping rod will intervene and convert the force change into a damping force to slow down the change of the moving object, thereby effectively suppressing vibration or vibration, slowing down the position change of the object, and as the force of the force-bearing element becomes smaller, the position change of the object is reduced, and finally returns to the original state, ensuring its stability, and solving the problem that the variable frequency power supply device in the prior art lacks a stable structure, so that the internal components will be damaged due to the external force during use, thus shortening its service life.

[0018] By arranging plug-in boards on both sides of the front end face of the shell, they are connected to the rear end face of the panel by plugging, and then the plug-in boards and the fixing holes on the fixing frame are fixedly connected by installing screws on the fixing frame, which makes it easy to disassemble and assemble. At the same time, the fixing holes on the front end face of the fixing frame can be used to fix the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the variable frequency power supply of the present utility model;

[0020] Figure 2 This is a partial internal schematic diagram of the variable frequency power supply of the present utility model;

[0021] Figure 3 This is an enlarged schematic diagram of the internal circuit board structure of the variable frequency power supply of the present utility model;

[0022] Figure 4 This is an enlarged schematic diagram of the structure of location A inside the variable frequency power supply of the present invention;

[0023] In the figure: 1. Shell; 2. Panel; 3. Fixing bracket; 4. First fixing hole; 5. Operating device; 6. Heat dissipation vent; 7. Handle; 8. Plug-in board; 9. Second fixing hole; 10. Placement slot; 11. Circuit board; 12. Limit plate; 13. Power supply; 14. Inverter; 15. Limiting bracket; 16. Cooling fan; 17. Support block; 18. Shock-absorbing damping rod; 19. Mounting plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] See also Figure 1-4 The present invention provides an embodiment of a variable frequency power supply, comprising a housing 1, a panel 2 being provided at the front end of the housing 1, an operating device 5 being provided on the front end surface of the panel 2, a heat dissipation vent 6 being provided on all four sides of the housing 1 below the operating device 5, and a plurality of heat dissipation vents 6 being provided, and a placement slot 10 being provided inside the housing 1;

[0026] Also includes:

[0027] The plug-in board 8 is provided on both sides of the front end surface of the housing 1, and the housing 1 is plug-connected to both sides of the rear end surface of the panel 2 through the plug-in board 8;

[0028] The mounting plate 19 is arranged on the inner walls of both sides of the placement groove 10, and there are two mounting plates 19. A circuit board 11 is arranged between the two mounting plates 19. Limiting plates 12 are arranged on both sides of the circuit board 11, and the circuit board 11 is plugged and connected to the mounting plate 19 through the limiting plates 12. When in use, since the mounting plates 19 are arranged on both sides inside the placement groove 10, support blocks 17 are arranged at the upper and lower ends of the mounting plate 19, and a shock-absorbing damping rod 18 is installed between the support block 17 and the mounting plate 19. At the same time, the circuit board 11 is plugged and connected to one end face of the mounting plate 19 through the limiting plates 12 on both sides, that is, it plays a limiting role in the placement of the circuit board 11. When the shock-absorbing damping rod 18 changes from the original balanced state to the unbalanced state under the action of the force, the damping rod will intervene and convert the change in force into a damping The invention can reduce the force exerted by the force element to slow down the change of the moving object, thereby effectively suppressing the vibration or shock, slowing down the change of the position of the object, and as the force of the force-bearing element becomes smaller, the change of the position of the object is reduced, and finally returns to its original state to ensure its stability, thereby solving the problem that the variable frequency power supply 13 device in the prior art lacks a stable structure inside, so that the internal components will be damaged due to the external force when in use, thereby shortening its service life. In addition, a plug-in board 8 is provided on both sides of the front end face of the shell 1, which is connected to the rear end face of the panel 2 by plugging, and then the screws are installed on the fixing frame 3 to fix the plug-in board 8 and the fixing holes on the fixing frame 3, so that it is convenient for disassembly and assembly. At the same time, the fixing holes on the front end face of the fixing frame 3 can be used to fix the device as a whole.

[0029] See also Figures 1-4 Handles 7 are installed on both sides of the front end surface of the panel 2, and fixing frames 3 are provided on both side end surfaces of the panel 2. The plug-in board 8 and the fixing holes on the fixing frame 3 are fixedly connected by installing screws on the fixing frame 3, which is convenient for disassembly and assembly.

[0030] See also Figures 1-4 A first fixing hole 4 is provided on the fixing frame 3, and a second fixing hole 9 is provided on the surface of the plug-in board 8.

[0031] See also Figures 1-4 , support blocks 17 are provided at the upper and lower ends of the mounting plate 19 , and four support blocks 17 are provided.

[0032] See also Figures 1-4A shock-absorbing damping rod 18 is installed between the support block 17 and the mounting plate 19. The circuit board 11 is plugged into the end face of one side of the mounting plate 19 through the limiting plates 12 on both sides. That is, when the shock-absorbing damping rod 18 changes from the original balanced state to the unbalanced state under the action of the force, the damping rod will intervene and convert the force change into a damping force to slow down the change of the moving object, thereby effectively suppressing the vibration or vibration, slowing down the position change of the object, and as the force of the force-bearing element becomes smaller, the position change of the object is reduced, and finally returns to the original state, ensuring its stability, and solving the problem of the lack of a stable structure inside the variable frequency power supply 13 device in the prior art, which will cause internal components to be damaged due to its external force during use, thereby shortening its service life.

[0033] See also Figures 1-4 A power supply 13, an inverter 14 and a heat dissipation fan 16 are provided on the upper surface of the circuit board 11, and two heat dissipation fans 16 are installed.

[0034] See also Figures 1-4 , limit frames 15 are installed on both sides of the power supply 13, the inverter 14 and the cooling fan 16.

[0035] Working principle: When in use, since mounting plates 19 are arranged on both sides of the placement groove 10, support blocks 17 are arranged at the upper and lower ends of the mounting plate 19, a shock-absorbing damping rod 18 is installed between the support block 17 and the mounting plate 19, and the circuit board 11 is plugged and connected to one end surface of the mounting plate 19 through the limiting plates 12 on both sides, that is, the placement of the circuit board 11 is limited. At the same time, when the shock-absorbing damping rod 18 changes from the original balanced state to the unbalanced state under the action of the force, the damping rod will intervene and convert the change of force into a damping force, slowing down the change of the moving object, thereby effectively suppressing the vibration or vibration, slowing down the position change of the object, and as it is affected The force of the force element becomes smaller, so that the position change of the object is reduced, and it eventually returns to its original state, ensuring its stability, and solving the problem that the variable frequency power supply 13 device in the prior art lacks a stable structure, so that the internal components may be damaged due to the external force during use, thus shortening its service life. In addition, a plug-in board 8 is provided on both sides of the front end face of the shell 1, which is connected to the rear end face of the panel 2 by plugging, and then the screws are installed on the fixing frame 3 to fix the plug-in board 8 and the fixing holes on the fixing frame 3, so that it is convenient for disassembly and assembly. At the same time, the fixing holes on the front end face of the fixing frame 3 can be used to fix the device as a whole.

[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A variable frequency power supply, comprising a housing (1), a panel (2) being arranged at the front end of the housing (1), an operating device (5) being arranged at the front end surface of the panel (2), heat dissipation openings (6) being arranged on all four sides of the housing (1) below the operating device (5), and a plurality of heat dissipation openings (6) being arranged, and a placement groove (10) being arranged inside the housing (1); Features: Also includes: A plug-in board (8) is arranged on both sides of the front end surface of the shell (1), and the shell (1) is plug-connected to both sides of the rear end surface of the panel (2) via the plug-in board (8); A mounting plate (19) is arranged on the inner walls of both sides of the placement groove (10), and two mounting plates (19) are provided. A circuit board (11) is provided between the two mounting plates (19), and limiting plates (12) are provided on both sides of the circuit board (11), and the circuit board (11) is plug-connected to the mounting plate (19) via the limiting plates (12).

2. A variable frequency power supply according to claim 1, characterized in that: Handles (7) are installed on both sides of the front end surface of the panel (2), and fixing frames (3) are provided on both side end surfaces of the panel (2).

3. A variable frequency power supply according to claim 2, characterized in that: The fixing frame (3) is provided with a first fixing hole (4), and the surface of the plug board (8) is provided with a second fixing hole (9).

4. A variable frequency power supply according to claim 1, characterized in that: Support blocks (17) are provided at the upper and lower ends of the mounting plate (19), and four support blocks (17) are provided.

5. A variable frequency power supply according to claim 4, characterized in that: A shock-absorbing damping rod (18) is installed between the support block (17) and the mounting plate (19).

6. A variable frequency power supply according to claim 1, characterized in that: The upper surface of the circuit board (11) is provided with a power supply (13), a frequency converter (14) and a cooling fan (16), and two cooling fans (16) are installed.

7. A variable frequency power supply according to claim 6, characterized in that: Limiting frames (15) are installed on both sides of the power source (13), the frequency converter (14) and the cooling fan (16).

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