Diode module assembly of rectifying circuit
By designing the structure of the fixture, support plate and thermal insulation plate in the diode module assembly of the rectifier circuit, the problems of instability and heat conduction of internal parts are solved, and higher stability and thermal insulation are achieved, and switching is avoided. The occurrence of local high temperature of the power supply.
Patent Information
- Application Number
- CN202420147320.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-22
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-01-22
AI Technical Summary
The internal parts of the diode module components of the existing rectifier circuit are poorly integrated, which can easily lead to instability, and the conductive plate is close to the metal shell, resulting in heat conduction, and it is impossible to effectively prevent local high temperatures of the switching power supply.
A diode module component including a protective case, mounting parts and heat insulation board was designed. By setting up a structure such as a fixing frame, a support plate, a conductive plate and a rubber sleeve, the stable connection and thermal insulation effect between the conductive plate and the diode body is achieved. Avoid transfer of heat to the protective shell.
It improves the stability and safety of the conductive plate and diode body, and effectively prevents local high temperature problems of switching power supply due to heat dissipation.
Smart Images
Figure CN222169631U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of power supply products, in particular to a diode module component of a rectifier circuit. Background Art
[0002] Diode module components are mainly used in the field of power electronics, especially in the fields of DC power supply systems, inverters, chargers, etc. The diode module components have the advantages of high efficiency, high reliability, low cost, etc., and can effectively improve the performance and stability of the rectifier circuit.
[0003] After massive searches, it was found that the prior art publication number is CN203617293U, which discloses a diode module assembly for a rectifier circuit. It is equipped with fixing screws, insulating particles, a metal shell, a silicone gasket, a first conductive plate, a double diode group composed of several double diodes, a fixing plate, a second conductive plate, Nomi paper, a third conductive plate and a printed circuit board, thereby solving the problems in the prior art of local high temperature of the switching power supply, electromagnetic interference, and poor circuit consistency caused by heat dissipation problems.
[0004] Therefore, based on the above search and in combination with the prior art, a diode module assembly for a rectifier circuit still has problems such as poor integrity of internal parts, easy instability during use, the top conductive plate is close to the metal shell, easy heat conduction, etc., and cannot meet actual needs. Utility Model Content
[0005] The purpose of the utility model is to provide a diode module assembly for a rectifier circuit to solve the problems raised in the above background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A diode module assembly for a rectifier circuit comprises a protective shell, a circuit board is arranged at the bottom of the protective shell, and a mounting component is arranged inside the protective shell; the mounting component comprises: a fixing frame, a top plate is arranged at the top of the fixing frame, a bottom plate is arranged at the bottom of the fixing frame, a first support plate, a second support plate, and an anchor plate are respectively arranged on the surface of one side of the fixing frame, and a spacing is reserved between every two groups of parts, a conductive plate is respectively installed between each spacing, a wire groove is provided on the side of the first support plate and the second support plate facing away from the fixing frame, a plurality of diode bodies are arranged between the top plate and the anchor plate, and an opening is provided on the side of the diode body close to the fixing frame.
[0008] Furthermore, the upper surface of the anchoring plate is provided with threaded holes with the same number as the diode body, and the upper surfaces of the protective shell and the top plate are also provided with openings with the same number as the side surfaces of the diode body. A rubber sleeve is provided inside the opening on the upper surface of the protective shell, and a bolt is also provided at the inner center of the opening. The bolt passes through the surface of the protective shell and the top plate and penetrates the side opening of the diode body, and is anchored by engaging the thread at the end with the inside of the threaded hole.
[0009] Furthermore, a first conductive plate is arranged between the anchor plate and the first support plate, a second conductive plate is arranged between the first support plate and the second support plate, and a third conductive plate is arranged between the second support plate and the bottom plate.
[0010] Furthermore, a plurality of terminals are provided on one side surface of the first conductive plate, the second conductive plate and the third conductive plate, and the three legs of the diode body are respectively connected to the terminals on the side surfaces of the three conductive plates through wires.
[0011] Furthermore, a placement groove is provided at the top of the top plate, a heat insulation board is provided inside the placement groove, and a surface of the heat insulation board is provided with openings corresponding to the upper surface of the top plate.
[0012] Furthermore, six sockets are provided on the upper surface of the circuit board, and two pins of the first conductive plate, the second conductive plate and the third conductive plate pass through the sockets to be fixed to the circuit board.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. By providing the installation components, several groups of support plates cooperate with each other, and the three groups of conductive plates and the diode body are clamped, fixed and isolated from each other, so that when the three groups of conductive plates are connected to the diode body and work, the conductive plates and the diode body are more stable, achieving a better effect of safety during work;
[0015] 2. By providing a placement groove, the heat insulation board can be placed in the placement groove, so that when in use, the fixing frame and the protective shell are isolated, so that the installation components have a better heat insulation effect, and the heat generated when the conductive plate and the diode body are working is prevented from being transferred to the protective shell, which helps to prevent the problem of local high temperature of the switching power supply due to heat dissipation problems. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the disassembly of the internal parts of the utility model;
[0018] Figure 3This is a schematic diagram of the disassembled side view of the internal parts of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the internal parts of the utility model in the installed state;
[0020] Figure 5 This is a schematic diagram of the fixing frame structure of the utility model.
[0021] In the figure: 1. protective shell; 2. rubber sleeve; 3. circuit board; 4. bolt; 5. top plate; 6. placement groove; 7. heat insulation board; 8. socket; 9. diode body; 10. first conductive plate; 11. second conductive plate; 12. third conductive plate; 13. terminal; 14. fixing frame; 15. first support plate; 16. second support plate; 17. bottom plate; 18. wire groove; 19. threaded hole; 20. anchor plate. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings 1-5 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 of 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.
[0023] Example 1: Please refer to Figures 2 to 5 , a diode module assembly of a rectifier circuit, comprising: a protective shell 1, a circuit board 3 is arranged at the bottom of the protective shell 1, and a mounting component is arranged inside the protective shell 1;
[0024] The installation parts include:
[0025] A fixing frame 14, a top plate 5 is arranged on the top of the fixing frame 14, a bottom plate 17 is arranged on the bottom of the fixing frame 14, a first support plate 15, a second support plate 16, and an anchor plate 20 are arranged on one side surface of the fixing frame 14, and a spacing is reserved between each two groups of parts, a conductive plate is installed between each spacing, a wire groove 18 is opened on the side of the first support plate 15 and the second support plate 16 away from the fixing frame 14, a plurality of diode bodies 9 are arranged between the top plate 5 and the anchor plate 20, and an opening is arranged on the side of the diode body 9 close to the fixing frame 14.
[0026] In the utility model, the first support plate 15, the second support plate 16, and the bottom plate 17 are made of insulating materials. After the three groups of conductive plates and the diode body 9 are connected and conductive by wires, they will not affect each other. The first support plate 15, the second support plate 16, and the bottom plate 17 can clamp and fix the three groups of conductive plates and the diode body 9 when in use, so that the three groups of conductive plates can maintain sufficient stability and safety during operation.
[0027] Example 2: Please refer to Figures 3 to 5 A diode module component for a rectifier circuit, wherein the upper surface of an anchor plate 20 is provided with threaded holes 19 of the same number as the diode body 9, and the upper surfaces of a protective shell 1 and a top plate 5 are also provided with openings of the same number as the side of the diode body 9, a rubber sleeve 2 is provided inside the opening on the upper surface of the protective shell 1, and a bolt 4 is also provided at the inner center of the opening, the bolt 4 passes through the surface of the protective shell 1 and the top plate 5 and penetrates the side opening of the diode body 9, and is anchored by engaging the thread at the end with the inside of the threaded hole 19.
[0028] In this embodiment, during the installation work, after the three groups of conductive plates and the diode body 9 are installed on the side of the fixing frame 14, the bolts 4 are used to be inserted from the upper surface opening of the protective shell 1, and pass through the side openings of the insulation plate 7, the top plate 5 and the diode body 9, and the front end thread is anchored inside the threaded hole 19 to fix the diode body 9 on the side of the fixing frame 14, so as to fix the diode body 9. A rubber sleeve 2 is provided inside the upper surface opening of the protective shell 1 to avoid the risk of electric shock when the bolt 4 is installed.
[0029] Example 3: Please refer to Figures 3 to 5 A diode module assembly of a rectifier circuit, wherein a first conductive plate 10 is arranged between an anchor plate 20 and a first support plate 15, a second conductive plate 11 is arranged between the first support plate 15 and a second support plate 16, and a third conductive plate 12 is arranged between the second support plate 16 and a bottom plate 17.
[0030] In this embodiment, by installing three groups of conductive plates between several groups of mounting plates, the internal components can be installed using the fixing frame 14 before being welded to the circuit board 3, so that the internal parts form a whole, achieving the effect of making the welding work more convenient.
[0031] Example 4: Please refer to Figures 2 to 5 A diode module component of a rectifier circuit, wherein a plurality of terminals 13 are arranged on one side surface of a first conductive plate 10, a second conductive plate 11, and a third conductive plate 12, and three legs of a diode body 9 are respectively connected to the terminals 13 on the sides of the three conductive plates through wires.
[0032] In this embodiment, when in use, the two ends of the wire are respectively welded to the terminals 13 on the side of the conductive plate and the three legs of the diode body 9, so as to connect the conductive plate and the diode body 9, so as to achieve the effect of normal use.
[0033] Example 5: Please refer to Figures 1 to 5 A diode module assembly of a rectifier circuit, a top plate 5 is provided with a placement groove 6, a heat insulation board 7 is arranged inside the placement groove 6, and a surface of the heat insulation board 7 is provided with an opening corresponding to the upper surface of the top plate 5.
[0034] In this embodiment, during installation, by placing the heat insulation board 7 inside the placement groove 6, when the diode body 9 is working, when the heat generated is transferred to the top plate 5, the heat insulation board 7 insulates the protective shell 1 and the top plate 5, so as to avoid the heat transfer of the diode body 9, thereby avoiding local high temperature of the switching power supply.
[0035] Example 6: Please refer to Figures 3 to 5 A diode module component of a rectifier circuit, six sockets 8 are opened on the upper surface of a circuit board 3, and two pins of a first conductive plate 10, a second conductive plate 11, and a third conductive plate 12 pass through the sockets 8 and are fixed to the circuit board 3.
[0036] In this embodiment, during the installation work, after the conductive plate and the diode body 9 are installed on the side of the fixing frame 14, the pins of the three groups of conductive plates are passed through the surface of the circuit board 3 through the socket 8, and the pins are connected to the circuit board 3 by welding, so as to meet the requirements of normal use.
[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A diode module assembly for a rectifier circuit, comprising a protective shell (1), characterized in that: A circuit board (3) is arranged at the bottom of the protective shell (1), and a mounting component is arranged inside the protective shell (1); The installation components include: A fixing frame (14), wherein a top plate (5) is arranged on the top of the fixing frame (14), a bottom plate (17) is arranged on the bottom of the fixing frame (14), a first support plate (15), a second support plate (16), and an anchor plate (20) are respectively arranged on one side surface of the fixing frame (14), and a spacing is reserved between each two groups of parts, and a conductive plate is respectively installed between each spacing, and a wire groove (18) is provided on the side of the first support plate (15) and the second support plate (16) facing away from the fixing frame (14), and a plurality of diode bodies (9) are arranged between the top plate (5) and the anchor plate (20), and an opening is provided on the side of the diode body (9) close to the fixing frame (14).
2. The diode module assembly of a rectifier circuit according to claim 1, characterized in that: The upper surface of the anchor plate (20) is provided with threaded holes (19) of the same number as the diode body (9); the upper surfaces of the protective shell (1) and the top plate (5) are also provided with openings of the same number as the side of the diode body (9); a rubber sleeve (2) is provided inside the opening on the upper surface of the protective shell (1); a bolt (4) is also provided at the inner center of the opening; the bolt (4) passes through the surface of the protective shell (1) and the top plate (5) and penetrates the side opening of the diode body (9), and is anchored by engaging the thread at the end with the inside of the threaded hole (19).
3. The diode module assembly of a rectifier circuit according to claim 1, characterized in that: A first conductive plate (10) is arranged between the anchor plate (20) and the first support plate (15), a second conductive plate (11) is arranged between the first support plate (15) and the second support plate (16), and a third conductive plate (12) is arranged between the second support plate (16) and the bottom plate (17).
4. The diode module assembly of a rectifier circuit according to claim 3, characterized in that: A plurality of terminals (13) are provided on one side surface of the first conductive plate (10), the second conductive plate (11) and the third conductive plate (12), and the three legs of the diode body (9) are respectively connected to the terminals (13) on the sides of the three conductive plates through wires.
5. The diode module assembly of a rectifier circuit according to claim 1, characterized in that: A placement groove (6) is provided at the top of the top plate (5), a heat insulation board (7) is arranged inside the placement groove (6), and a surface of the heat insulation board (7) is provided with openings corresponding to the upper surface of the top plate (5).
6. The diode module assembly of a rectifier circuit according to claim 3, characterized in that: Six sockets (8) are provided on the upper surface of the circuit board (3), and two pins of the first conductive plate (10), the second conductive plate (11), and the third conductive plate (12) pass through the sockets (8) and are fixed to the circuit board (3).