DR rectifier bridge with rhombic columns

Abstract

The utility model discloses a DR rectifier bridge with rhombic columns, which relates to the technical field of rectifiers, and comprises a pole plate main body, the front end of the pole plate main body is fixedly connected with a front insulating plate, the front end of a front fixing plate is fixedly connected with three groups of rectifier diodes, and the rear end of the front fixing plate is provided with a positioning assembly capable of preventing loosening. According to the DR rectifier bridge provided with the rhombic columns, the positioning column heads, the lengthened positioning columns, the rhombic protrusions, the polar plate positioning holes, the front plate positioning holes and the rear plate positioning holes are arranged, when the DR rectifier bridge is used, the polar plate body, the front insulating plate, the rear insulating plate and the front fixing plate are connected in series through the lengthened positioning columns, and when the lengthened positioning columns penetrate through the polar plate positioning holes, the front plate positioning holes and the rear plate positioning holes, the rhombic protrusions are located in the rhombic protrusions. The outer rhombic protrusions abut against the inner walls of the polar plate positioning holes, the front plate positioning holes and the rear plate positioning holes, the installation state is changed into interference close fit, the positioning and anti-loosening function is achieved, and the problem that the device does not have the positioning and anti-loosening function is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rectifiers, in particular to a DR rectifier bridge provided with diamond columns. Background Technique

[0002] A rectifier bridge is a type of rectifier, mainly used for current conversion in electrical equipment, and can convert alternating current into direct current.

[0003] Most of the common DR rectifier bridges on the current market are similar in structure, with electrode plates, insulating plates, and rectifier diodes as the main components. A bridge rectifier circuit is realized through the unidirectional conductivity of three groups of diodes. There are some functional deficiencies in the actual production and detection process, and there is room for improvement. For example, components such as the electrode plates and insulating plates of the rectifier bridge are mostly connected through positioning posts, and it is easy for the connection between the smooth positioning posts and the positioning holes to become loose, and it is easy to fall off during assembly and transportation, and it does not have the function of positioning and anti-loosening.

[0004] Now, a new type of DR rectifier bridge provided with diamond columns is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a DR rectifier bridge provided with diamond columns to solve the problem of lack of positioning and anti-loosening function proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A DR rectifier bridge provided with diamond columns, including a main electrode plate body, a front insulating plate is fixedly connected to the front end of the main electrode plate body, a rear insulating plate is fixedly connected to the rear end of the main electrode plate body, a front fixing plate is arranged at the front end of the front insulating plate, three groups of rectifier diodes are fixedly connected to the front end of the front fixing plate, and a positioning component for preventing loosening is arranged at the rear end of the front fixing plate.

[0007] The positioning component includes three groups of positioning column heads, the three groups of positioning column heads are respectively fixedly connected to the inside of the rear end of the front fixing plate, a lengthened positioning column is fixedly connected to the rear end of the positioning column head, multiple groups of diamond-shaped protrusions are arranged on the outside of the lengthened positioning column, three groups of electrode plate positioning holes are arranged inside the main electrode plate body, three groups of front plate positioning holes are arranged inside the front insulating plate, and three groups of rear plate positioning holes are arranged inside the rear insulating plate.

[0008] Preferably, the front end of the positioning column head is flush with the front end of the front fixing plate, and the front ends of the positioning column head and the lengthened positioning column are flush.

[0009] Preferably, the diamond-shaped protrusions are elastic and are arranged at equal intervals.

[0010] Preferably, the position dimensions of the lengthened positioning posts, the plate positioning holes, the front plate positioning holes, and the rear plate positioning holes correspond to each other one by one, and the interiors of the plate positioning holes, the front plate positioning holes, and the rear plate positioning holes are connected to each other.

[0011] Preferably, a hard ceramic shell is provided outside the rectifier diode. A diode groove is provided at the rear end of the hard ceramic shell. A first adhesive point is provided above the front end inside the diode groove. A second adhesive point is provided at the middle position of the front end inside the diode groove. A third adhesive point is provided below the front end inside the diode groove.

[0012] Preferably, the shape and dimension of the interior of the diode groove are adapted to the shape and dimension of the outside of the rectifier diode. The rear ends of the first adhesive point, the second adhesive point, and the third adhesive point are attached to the front end of the rectifier diode, and the front fixing plate is connected to the hard ceramic shell.

[0013] Preferably, a first pressure-sensitive adhesive sticker is uniformly coated on the left side of the rear end of the front insulating plate. A second pressure-sensitive adhesive sticker is uniformly coated on the right side of the rear end of the front insulating plate. A third pressure-sensitive adhesive sticker is uniformly coated on the left side of the front end of the rear insulating plate. A fourth pressure-sensitive adhesive sticker is uniformly coated on the right side of the front end of the rear insulating plate.

[0014] Preferably, the first pressure-sensitive adhesive sticker, the second pressure-sensitive adhesive sticker, the third pressure-sensitive adhesive sticker, and the fourth pressure-sensitive adhesive sticker have the same thickness. The rear ends of the first pressure-sensitive adhesive sticker and the second pressure-sensitive adhesive sticker are attached to the front end of the plate body. The front ends of the third pressure-sensitive adhesive sticker and the fourth pressure-sensitive adhesive sticker are attached to the rear end of the plate body.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The DR rectifier bridge provided with diamond columns not only realizes the function of positioning and anti-loosening, but also realizes the function of protecting the diode, and also realizes the function of pressing and anti-loosening;

[0016] (1) By providing positioning column heads, lengthened positioning posts, diamond-shaped protrusions, plate positioning holes, front plate positioning holes, and rear plate positioning holes, during use, three rectifier diodes form a three-phase bridge rectifier circuit to convert alternating current into direct current. During the assembly process, the plate body, the front insulating plate, the rear insulating plate, and the front fixing plate are connected in series through the lengthened positioning posts. When the lengthened positioning posts pass through the plate positioning holes, the front plate positioning holes, and the rear plate positioning holes, the diamond-shaped protrusions on their outer sides abut against the inner walls of the plate positioning holes, the front plate positioning holes, and the rear plate positioning holes, and the installation state becomes an interference fit, greatly reducing the probability of loosening and realizing the function of positioning and anti-loosening;

[0017] (2) By providing a hard ceramic shell, a diode slot, a first adhesive point, a second adhesive point and a third adhesive point, during use, the rectifier diode, as the core component of the rectifier circuit, is protected by the hard ceramic shell on the outside. The diode slot inside the hard ceramic shell precisely matches the external shape of the rectifier diode. The three groups of adhesives at the first adhesive point, the second adhesive point and the third adhesive point can increase the firmness of the installation of the hard ceramic shell, realizing the function of protecting the diode;

[0018] (3) By providing a first pressure-sensitive adhesive patch, a second pressure-sensitive adhesive patch, a third pressure-sensitive adhesive patch and a fourth pressure-sensitive adhesive patch, during use, when the plate body, the front insulating plate and the rear insulating plate are assembled, the joint surface between the front insulating plate and the plate body is bonded by the first pressure-sensitive adhesive patch and the second pressure-sensitive adhesive patch, and the third pressure-sensitive adhesive patch and the fourth pressure-sensitive adhesive patch are used to bond between the rear insulating plate and the plate body. After being pressed tightly by a pneumatic press, there is no need to disassemble and assemble bolts, and the connection is firm, which is convenient for subsequent further assembly, realizing the function of pressing to prevent loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a front view structural schematic diagram of the present utility model;

[0020] Figure 2 is a partial front view sectional structural schematic diagram of the plate body of the present utility model;

[0021] Figure 3 is a front view structural schematic diagram of the plate body of the present utility model;

[0022] Figure 4 is a front view structural schematic diagram of the front fixing plate of the present utility model;

[0023] Figure 5 is a bottom view structural schematic diagram of the front fixing plate of the present utility model;

[0024] Figure 6 is an enlarged rear view structural schematic diagram of the lengthened positioning column of the present utility model;

[0025] Figure 7 is an enlarged rear view structural schematic diagram of the hard ceramic shell of the present utility model;

[0026] Figure 8 is a rear view structural schematic diagram of the front insulating plate of the present utility model;

[0027] Figure 9 is a front view structural schematic diagram of the rear insulating plate of the present utility model.

[0028] In the figure: 1. Plate main body; 2. Front insulating plate; 3. Rear insulating plate; 4. Front fixing plate; 5. Positioning stud; 6. Extended positioning column; 7. Rhombic protrusion; 8. Plate positioning hole; 9. Front plate positioning hole; 10. Rear plate positioning hole; 11. Rectifier diode; 12. Hard ceramic shell; 13. Diode groove; 14. First adhesive point; 15. Second adhesive point; 16. Third adhesive point; 17. First pressure-sensitive adhesive patch; 18. Second pressure-sensitive adhesive patch; 19. Third pressure-sensitive adhesive patch; 20. Fourth pressure-sensitive adhesive patch. Detailed implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0030] Embodiment 1: Please refer to Figures 1-9 , a DR rectifier bridge provided with a rhombic column, including a plate main body 1, a front insulating plate 2 is fixedly connected to the front end of the plate main body 1, a rear insulating plate 3 is fixedly connected to the rear end of the plate main body 1, a front fixing plate 4 is arranged at the front end of the front insulating plate 2, three groups of rectifier diodes 11 are fixedly connected to the front end of the front fixing plate 4, and a positioning component for preventing loosening is arranged at the rear end of the front fixing plate 4;

[0031] Please refer to Figures 1-9 , a DR rectifier bridge provided with a rhombic column further includes a positioning component. The positioning component includes three groups of positioning studs 5, the three groups of positioning studs 5 are respectively fixedly connected to the inside of the rear end of the front fixing plate 4, an extended positioning column 6 is fixedly connected to the rear end of the positioning stud 5, multiple groups of rhombic protrusions 7 are arranged on the outside of the extended positioning column 6, three groups of plate positioning holes 8 are arranged inside the plate main body 1, three groups of front plate positioning holes 9 are arranged inside the front insulating plate 2, and three groups of rear plate positioning holes 10 are arranged inside the rear insulating plate 3;

[0032] The front end of the positioning stud 5 is flush with the front end of the front fixing plate 4, the front ends of the positioning stud 5 and the extended positioning column 6 are flush, the rhombic protrusion 7 has elasticity, the rhombic protrusions 7 are arranged at equal intervals, the position dimensions of the extended positioning column 6, the plate positioning hole 8, the front plate positioning hole 9, and the rear plate positioning hole 10 correspond one by one, and the inside of the plate positioning hole 8, the front plate positioning hole 9, and the rear plate positioning hole 10 are connected and communicated. The connection is made more firm and stable by the positioning column with a rhombus;

[0033] Specifically, as shown in Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 6, Figure 8 and Figure 9 As shown in Figure 8 and Figure 9 , the plate body 1, the front insulating plate 2, the rear insulating plate 3, and the front fixing plate 4 are connected in series through the lengthened positioning posts 6. When the lengthened positioning posts 6 pass through the plate positioning holes 8, the front plate positioning holes 9, and the rear plate positioning holes 10, the diamond-shaped protrusions 7 on their outer sides press against the inner walls of the plate positioning holes 8, the front plate positioning holes 9, and the rear plate positioning holes 10, and the installation state becomes an interference fit, greatly reducing the probability of loosening.

[0034] Embodiment 2: A hard ceramic shell 12 is provided outside the rectifier diode 11. A diode groove 13 is provided at the rear end of the hard ceramic shell 12. A first adhesive point 14 is provided above the front end inside the diode groove 13. A second adhesive point 15 is provided at the middle position of the front end inside the diode groove 13. A third adhesive point 16 is provided below the front end inside the diode groove 13. The shape and size of the inside of the diode groove 13 are adapted to the shape and size of the outside of the rectifier diode 11. The rear ends of the first adhesive point 14, the second adhesive point 15, and the third adhesive point 16 are attached to the front end of the rectifier diode 11. The front fixing plate 4 and the hard ceramic shell 12 are connected to protect the diode and reduce the probability of damage.

[0035] Specifically, as Figure 1 and Figure 7 shown, the rectifier diode 11 is protected by a hard ceramic shell 12 outside. The diode groove 13 inside the hard ceramic shell 12 precisely matches the outer shape of the rectifier diode 11. The three groups of adhesives of the first adhesive point 14, the second adhesive point 15, and the third adhesive point 16 can increase the firmness of the installation of the hard ceramic shell 12.

[0036] Embodiment 3: A first pressure-sensitive adhesive patch 17 is evenly coated on the left side of the rear end of the front insulating plate 2. A second pressure-sensitive adhesive patch 18 is evenly coated on the right side of the rear end of the front insulating plate 2. A third pressure-sensitive adhesive patch 19 is evenly coated on the left side of the front end of the rear insulating plate 3. A fourth pressure-sensitive adhesive patch 20 is evenly coated on the right side of the front end of the rear insulating plate 3. The first pressure-sensitive adhesive patch 17, the second pressure-sensitive adhesive patch 18, the third pressure-sensitive adhesive patch 19, and the fourth pressure-sensitive adhesive patch 20 have the same thickness. The rear ends of the first pressure-sensitive adhesive patch 17 and the second pressure-sensitive adhesive patch 18 are attached to the front end of the plate body 1. The front ends of the third pressure-sensitive adhesive patch 19 and the fourth pressure-sensitive adhesive patch 20 are attached to the rear end of the plate body 1, realizing rapid pressing and eliminating the need for bolt disassembly and assembly.

[0037] Specifically, as Figure 1 , Figure 2 , 8 and Figure 9As shown, the joint surface between the front insulating plate 2 and the plate body 1 is bonded by the first pressure-sensitive adhesive tape 17 and the second pressure-sensitive adhesive tape 18, and the third pressure-sensitive adhesive tape 19 and the fourth pressure-sensitive adhesive tape 20 are used to bond between the rear insulating plate 3 and the plate body 1. It is pressed tightly by a pneumatic press, without the need to disassemble and assemble bolts, and the connection is firm, which is convenient for subsequent further assembly.

[0038] Working principle: When the utility model is in use, first of all, three groups of rectifier diodes 11 form a three-phase bridge rectifier circuit to convert alternating current into direct current. During the assembly process, the plate body 1, the front insulating plate 2, the rear insulating plate 3, and the front fixing plate 4 are connected in series through the lengthened positioning columns 6. When the lengthened positioning columns 6 pass through the plate positioning holes 8, the front plate positioning holes 9, and the rear plate positioning holes 10, the diamond-shaped protrusions 7 on their outer sides press against the inner walls of the plate positioning holes 8, the front plate positioning holes 9, and the rear plate positioning holes 10, and the installation state becomes an interference fit, greatly reducing the probability of loosening. The rectifier diode 11, as the core component of the rectifier circuit, is protected by a hard ceramic shell 12 on the outside. The diode slot 13 inside the hard ceramic shell 12 precisely matches the outer shape of the rectifier diode 11. The three groups of adhesives, namely the first adhesive point 14, the second adhesive point 15, and the third adhesive point 16, can increase the firmness of the installation of the hard ceramic shell 12. When the plate body 1, the front insulating plate 2, and the rear insulating plate 3 are assembled, the joint surface between the front insulating plate 2 and the plate body 1 is bonded by the first pressure-sensitive adhesive tape 17 and the second pressure-sensitive adhesive tape 18, and the third pressure-sensitive adhesive tape 19 and the fourth pressure-sensitive adhesive tape 20 are used to bond between the rear insulating plate 3 and the plate body 1. It is pressed tightly by a pneumatic press, without the need to disassemble and assemble bolts, and the connection is firm, which is convenient for subsequent further assembly.

[0039] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A DR rectifier bridge provided with a rhombic prism, comprising a plate body (1), characterized in that: A front insulating plate (2) is fixedly connected to the front end of the plate body (1), a rear insulating plate (3) is fixedly connected to the rear end of the plate body (1), a front fixing plate (4) is arranged at the front end of the front insulating plate (2), three rectifier diodes (11) are fixedly connected to the front end of the front fixing plate (4), and a positioning component for preventing loosening is arranged at the rear end of the front fixing plate (4). The positioning component includes three positioning studs (5), the three positioning studs (5) are respectively fixedly connected to the inside of the rear end of the front fixing plate (4), a lengthened positioning post (6) is fixedly connected to the rear end of the positioning stud (5), a plurality of diamond-shaped protrusions (7) are arranged on the outside of the lengthened positioning post (6), three plate positioning holes (8) are arranged inside the plate body (1), three front plate positioning holes (9) are arranged inside the front insulating plate (2), and three rear plate positioning holes (10) are arranged inside the rear insulating plate (3).

2. A DR rectifier bridge provided with a rhombic prism according to claim 1, characterized in that: The front end of the positioning stud (5) is flush with the front end of the front fixing plate (4), and the front ends of the positioning stud (5) and the lengthened positioning post (6) are flush.

3. A DR rectifier bridge provided with a rhombic prism according to claim 1, characterized in that: The diamond-shaped protrusions (7) are elastic and are arranged at equal intervals.

4. A DR rectifier bridge provided with a rhombic prism according to claim 1, characterized in that: The position dimensions of the lengthened positioning post (6), the plate positioning hole (8), the front plate positioning hole (9), and the rear plate positioning hole (10) correspond one by one, and the inside of the plate positioning hole (8), the front plate positioning hole (9), and the rear plate positioning hole (10) are connected.

5. A DR rectifier bridge provided with a rhombic prism according to claim 1, characterized in that: A hard ceramic shell (12) is arranged outside the rectifier diode (11), a diode groove (13) is arranged at the rear end of the hard ceramic shell (12), a first adhesive point (14) is arranged above the front end inside the diode groove (13), a second adhesive point (15) is arranged at the middle position of the front end inside the diode groove (13), and a third adhesive point (16) is arranged below the front end inside the diode groove (13).

6. A DR rectifier bridge provided with a rhombic prism according to claim 5, characterized in that: The shape and size of the inside of the diode groove (13) are adapted to the shape and size of the outside of the rectifier diode (11), the rear ends of the first adhesive point (14), the second adhesive point (15), and the third adhesive point (16) are in contact with the front end of the rectifier diode (11), and the front fixing plate (4) and the hard ceramic shell (12) are connected.

7. A DR rectifier bridge provided with a rhombic prism according to claim 1, characterized in that: A first pressure-sensitive adhesive sticker (17) is evenly coated on the left side of the rear end of the front insulating plate (2), a second pressure-sensitive adhesive sticker (18) is evenly coated on the right side of the rear end of the front insulating plate (2), a third pressure-sensitive adhesive sticker (19) is evenly coated on the left side of the front end of the rear insulating plate (3), and a fourth pressure-sensitive adhesive sticker (20) is evenly coated on the right side of the front end of the rear insulating plate (3).

8. A DR rectifier bridge provided with a rhombic prism according to claim 7, characterized in that: The first pressure-sensitive adhesive sticker (17), the second pressure-sensitive adhesive sticker (18), the third pressure-sensitive adhesive sticker (19), and the fourth pressure-sensitive adhesive sticker (20) have the same thickness, the rear ends of the first pressure-sensitive adhesive sticker (17) and the second pressure-sensitive adhesive sticker (18) are in contact with the front end of the plate body (1), and the front ends of the third pressure-sensitive adhesive sticker (19) and the fourth pressure-sensitive adhesive sticker (20) are in contact with the rear end of the plate body (1).

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