High-power power supply rectification module

Abstract

The utility model provides a large-power power supply rectification module group. The large-power power supply rectification module group comprises a mounting rack, a current module, a connection busbar and a voltage module. The current module, the connecting busbar and the voltage module are arranged in the mounting frame, the current module and the voltage module are electrically communicated through the connecting busbar, the part, close to the voltage module, of the mounting frame is detachably connected, and the current module comprises at least one IGBT (Insulated Gate Bipolar Translator) unit. According to the utility model, through mutual cooperation of the mounting rack, the current module, the connection busbar and the voltage module, the part of the mounting rack close to the voltage module is detachably connected, the mounting rack can be synchronously adjusted when the model of the voltage module is replaced, at least one IGBT unit is arranged, and the number of the IGBT units can be adjusted according to the required current. The rectifying module has the advantages of being stable in structure, high in compatibility, high in flexibility, convenient to repair and maintain and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of power electronics, in particular to a high-power power supply rectifier module. Background Art

[0002] The rectifier module in the high-power power supply generally converts the input AC power into DC power by stepping down and rectifying, and then generates high-quality DC output after filtering by the filter capacitor. This kind of high-power rectifier module has inconsistent DC output current and voltage, and the corresponding capacitor packaging and module quantity in the module are different. When different voltages and currents are actually required, the corresponding design needs to be changed, resulting in the emergence of multiple rectifier modules, which have great limitations in use and are not conducive to the maintenance, maintenance and replacement of the modules. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a high-power power supply rectifier module that is compatible with different voltages and currents.

[0004] The utility model solves the above technical problems through the following technical means:

[0005] A high-power power rectifier module comprises a mounting frame (1), a current module (3), a connecting busbar (5), and a voltage module (6); the current module (3), the connecting busbar (5), and the voltage module (6) are arranged inside the mounting frame (1); the current module (3) and the voltage module (6) are electrically connected via the connecting busbar (5); the mounting frame (1) is detachably connected near the voltage module (6); and the current module (3) comprises at least one IGBT unit (31).

[0006] Beneficial effects: Through the mutual cooperation of the mounting frame, the current module, the connecting busbar and the voltage module, the mounting frame is detachably connected near the voltage module, and the mounting frame can be adjusted synchronously when the voltage module model is replaced. At least one IGBT unit is provided, and the number of IGBT units can be adjusted according to the required current. The rectifier module of the utility model has the advantages of stable structure, strong compatibility, high flexibility, and convenient repair and maintenance.

[0007] Furthermore, it also includes a fan assembly (2), the mounting frame (1) includes a bottom frame (11) and a functional frame (12), the bottom frame (11) is open at the top and hollowed out on the front and back right sides, the functional frame (12) is fixed above the left wall of the bottom frame (11), the functional frame (12) is arranged to penetrate from top to bottom, the fan assembly (2) is fixed in the bottom frame (11), and its output end is connected to the functional frame (12).

[0008] Furthermore, the fan assembly (2) comprises a fan (21) and a fan cover (22); the fan (21) is fixed on the bottom plate of the bottom frame (11); the output end of the fan (21) is connected to and fixed with the fan cover (22); and the fan cover (22) is connected to the functional frame (12).

[0009] Furthermore, the mounting frame (1) also includes a middle cross frame (13) and a top frame (14); the middle cross frame (13) is fixed to the top of the bottom frame (11); the middle cross frame (13) is arranged to be through-connected from top to bottom; the left side of the middle cross frame (13) is fixed to the functional frame (12); the right side of the middle cross frame (13) is fixed to the column on the right side of the bottom frame (11); the top frame (14) is fixed to the top of the middle cross frame (13); a voltage module (6) is fixed inside the top frame (14); and the top frames (14) are detachably connected.

[0010] Furthermore, the top frame (14) comprises a vertical plate (141), two horizontal plates (142), and an adjustment plate (143); the bottom wall of the vertical plate (141) is vertically fixed with an adjustment plate (143); the adjustment plate (143) is located on the inner side; a plurality of rows of first mounting holes (1431) are provided on the adjustment plate (143) along the Y axis; the adjustment plate (143) is detachably connected to the right rod of the middle horizontal frame (13) through the first mounting holes (143) 1; a horizontal plate (142) is detachably connected to the front and rear sides between the vertical plate (141) and the functional frame (12); a plurality of rows of second mounting holes (1421) are provided on the side of the horizontal plate (142) close to the functional frame (12) along the Z axis.

[0011] Beneficial effect: Through the cooperation of the vertical plate, two horizontal plates and the adjustment plate, when the output current of the rectifier module is consistent but the voltage is different, the demand can be met by replacing the model of the filter capacitor. The top frame can modify the installation method according to the model of the filter capacitor to meet the demand.

[0012] Furthermore, a connecting busbar (5) is fixed on the functional frame (12) near the voltage module (6), and the connecting busbar (5) is made of a conductive material.

[0013] Furthermore, the voltage module (6) comprises a plurality of filter capacitors, and the filter capacitors can be replaced with different models according to the required voltage.

[0014] Furthermore, the current module (3) further comprises a horizontal copper bar (32), a first bent copper bar (33), and a sensor (34); one, two, or three IGBT units (31) can be provided according to the required current; the IGBT units (31) are provided in parallel; one end of the IGBT unit (31) is fixed to the connecting busbar (5); the other end of the IGBT unit (31) is fixed with a horizontal copper bar (32); a first bent copper bar (33) is vertically fixed to the middle of the horizontal copper bar (32); and the first bent copper bar (33) is provided with a sensor (34).

[0015] Beneficial effect: Through the mutual cooperation of the IGBT unit, the horizontal copper busbar and the first bent copper busbar, when the output voltage of the rectifier module is consistent but the current is different, the demand can be met by adjusting the number of IGBT units in parallel.

[0016] Furthermore, a mounting plate (111) is fixed between the right uprights of the bottom frame (11), and a plurality of mounting openings (112) are provided on the mounting plate (111) at intervals along the Y axis. The first bent copper bar (33) passes through the sensor (34) and the mounting opening (112) in the middle of the mounting plate (111) and extends out. The extended end of the first bent copper bar (33) is bent downward and fixed to the outside of the mounting plate (111) through the first insulating column (33) 1, and the sensor (34) is fixed to the inside of the mounting plate (111).

[0017] Furthermore, it also includes a support seat (4), the IGBT unit (31) includes an absorption capacitor (311), an IGBT module (312), a drive board (313), and a second bent copper busbar (314), the absorption capacitor (311) penetrates the connecting busbar (5) for fixation, the IGBT module (312) is fixed at the protruding end of the absorption capacitor (311), the drive board (313) is fixed on the IGBT module (312), the second bent copper busbar (314) is fixed at the bottom end of the IGBT module (312), the second bent copper busbar (314) is fixed on the horizontal copper busbar (32), and the side of the second bent copper busbar (314) away from the horizontal copper busbar (32) is fixed to the support seat (4) through a second insulating column (315), and the support seat (4) is fixed on the functional frame (12).

[0018] The advantages of the utility model are:

[0019] The utility model cooperates with each other through the mounting frame, the current module, the connecting busbar and the voltage module. The mounting frame is detachably connected near the voltage module. The mounting frame can be adjusted synchronously when the voltage module model is replaced. At least one IGBT unit is provided, and the number of IGBT units can be adjusted according to the required current. The rectifier module of the utility model has the advantages of stable structure, strong compatibility, high flexibility, and convenient repair and maintenance.

[0020] The utility model uses the mutual cooperation of the vertical plate, two horizontal plates and the adjustment plate. When the output current of the rectifier module is consistent but the voltage is different, the demand can be met by replacing the model of the filter capacitor. The top frame can modify the installation method according to the model of the filter capacitor to meet the demand.

[0021] The utility model uses the mutual cooperation of the IGBT unit, the horizontal copper bar and the first bent copper bar to meet the demand by adjusting the number of parallel-connected IGBT units when the output voltage of the rectifier module is consistent but the current is different. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a three-dimensional diagram of a high-power power rectifier module according to an embodiment of the utility model;

[0023] Figure 2 This is a three-dimensional view from another perspective of a high-power power rectifier module according to an embodiment of the utility model;

[0024] Figure 3 This is a three-dimensional diagram of another installation method of the voltage module in a high-power power rectifier module according to an embodiment of the utility model;

[0025] Figure 4 This is a three-dimensional diagram of another installation method of the current module in a high-power power rectifier module according to an embodiment of the utility model. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are 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.

[0027] Embodiment 1

[0028] like Figure 1 As shown, this embodiment provides a high-power power rectifier module, including a mounting frame 1, a fan assembly 2, a current module 3, a support base 4, a connecting busbar 5, and a voltage module 6.

[0029] like Figure 1 As shown, a fan assembly 2, a current module 3, and a voltage module 6 are fixed in the mounting frame 1 from bottom to top in sequence. The current module 3 and the voltage module 6 are electrically connected via a connecting busbar 5, and the current module 3 is fixed in the mounting frame 1 via a support seat 4.

[0030] like Figure 1 , Figure 2 As shown, the mounting frame 1 includes a bottom frame 11, a functional frame 12, a middle cross frame 13, and a top frame 14. The bottom frame 11 is hollowed out on the front and back right sides of the top opening. The functional frame 12 is fixed on the upper left wall of the bottom frame 11, and the functional frame 12 is arranged to penetrate from top to bottom. The fan assembly 2 includes a fan 21 and a fan cover 22. The fan 21 is fixed on the bottom plate of the bottom frame 11, and the output end of the fan 21 is connected and fixed with the fan cover 22, and the fan cover 22 is connected and arranged with the functional frame 12; a mounting plate 111 is fixed between the right columns of the bottom frame 11, and three mounting ports 112 are arranged on the mounting plate 111 at intervals along the Y axis; a middle cross frame 13 is fixed on the top of the bottom frame 11, and the middle cross frame 13 is arranged to penetrate from top to bottom, and the left side of the middle cross frame 13 is fixed on the functional frame 12, and the right side of the middle cross frame 13 is fixed on the column on the right side of the bottom frame 11;

[0031] like Figure 1 , Figure 2 As shown, a top frame 14 is fixed to the top of the middle horizontal frame 13, and the top frame 14 includes a vertical plate 141, two horizontal plates 142, and an adjusting plate 143. The adjusting plate 143 is vertically fixed to the bottom wall of the vertical plate 141, and the adjusting plate 143 is located on the inner side. A plurality of rows of first mounting holes 1431 are provided on the adjusting plate 143 along the Y axis. In this embodiment, two rows of first mounting holes 1431 are provided on the adjusting plate 143 along the Y axis. The adjusting plate 143 is detachably connected to the right rod of the middle horizontal frame 13 through the first mounting holes 1431. A horizontal plate 142 is detachably connected to the front and rear sides between the vertical plate 141 and the functional frame 12. A plurality of rows of second mounting holes 1421 are provided on the side of the horizontal plate 142 close to the functional frame 12 along the Z axis. In this embodiment, two rows of second mounting holes 1421 are provided on the side of the horizontal plate 142 close to the functional frame 12 along the Z axis.

[0032] like Figure 1 As shown, a connecting busbar 5 is fixed on the functional frame 12 near the voltage module 6 , and the connecting busbar 5 is made of a conductive material, specifically copper; a supporting seat 4 is fixed on the functional frame 12 near the current module 3 .

[0033] like Figure 1 , Figure 2As shown, the current module 3 includes an IGBT unit 31, a horizontal copper bar 32, a first bent copper bar 33, and a sensor 34. At least one IGBT unit 31 is provided. One, two or three IGBT units 31 can be provided according to the required current. The IGBT units 31 are arranged in parallel. One end of the IGBT unit 31 is fixed to the connecting busbar 5, and the other end of the IGBT unit 31 is fixed with a horizontal copper bar 32. The middle of the horizontal copper bar 32 is vertically fixed with a first bent copper bar 33. The first bent copper bar 33 penetrates the sensor 34 and the mounting opening 112 in the middle of the mounting plate 111 and extends out. The extended end of the first bent copper bar 33 is bent downward and passes through the first insulating column 3 31 is fixed on the outside of the mounting plate 111, and the sensor 34 is fixed on the inside of the mounting plate 111; the IGBT unit 31 includes an absorption capacitor 311, an IGBT module 312, a drive board 313, and a second bent copper bus 314. The absorption capacitor 311 is fixed through the connecting busbar 5, the IGBT module 312 is fixed at the protruding end of the absorption capacitor 311, the drive board 313 is fixed on the IGBT module 312, the second bent copper bus 314 is fixed at the bottom end of the IGBT module 312, the second bent copper bus 314 is fixed on the horizontal copper bus 32, and the side of the second bent copper bus 314 away from the horizontal copper bus 32 is fixed to the support seat 4 through the second insulating column 315.

[0034] like Figure 1 , Figure 2 As shown, the voltage module 6 includes a plurality of filter capacitors. In this embodiment, eight filter capacitors are provided, which are divided into two groups and fixed between the connecting busbar 5 and the vertical plate 141. The filter capacitors can be replaced with different models according to the required voltage.

[0035] When in use, when the output current of the rectifier module is consistent but the voltage is different, the demand can be met by replacing the model of the filter capacitor. The top frame 14 can modify the installation method according to the model of the filter capacitor to meet the demand, such as Figure 2 , Figure 3 As shown, the filter capacitors of the two are of different models, and the corresponding adjustment plate 143 and the mounting holes on the cross plate 142 are at different positions; when the output voltage of the rectifier module is consistent but the current is different, the demand can be met by adjusting the number of IGBT units 31 in parallel, such as Figure 2 , Figure 4 As shown, Figure 1 Two IGBT units 31 are connected in parallel. Figure 3 Three IGBT units 31 are connected in parallel, and the IGBT units 31 can adjust the magnitude of the current.

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-power power rectifier module, characterized in that: It comprises a mounting frame (1), a current module (3), a connecting busbar (5), and a voltage module (6); The current module (3), the connecting busbar (5), and the voltage module (6) are arranged inside the mounting frame (1); the current module (3) and the voltage module (6) are electrically connected via the connecting busbar (5); the mounting frame (1) is detachably connected near the voltage module (6); and the current module (3) comprises at least one IGBT unit (31).

2. A high-power power rectifier module according to claim 1, characterized in that: It also includes a fan assembly (2), the mounting frame (1) including a bottom frame (11) and a functional frame (12), the bottom frame (11) being open at the top and hollowed out at the front and rear right sides, the functional frame (12) being fixed above the left wall of the bottom frame (11), the functional frame (12) being through-set from top to bottom, the fan assembly (2) being fixed in the bottom frame (11), and its output end being connected to the functional frame (12).

3. A high-power power supply rectifier module according to claim 2, characterized in that: The fan assembly (2) comprises a fan (21) and a fan cover (22); the fan (21) is fixed on the bottom plate of the bottom frame (11); the output end of the fan (21) is connected to and fixed with the fan cover (22); and the fan cover (22) is connected to the functional frame (12).

4. A high-power power rectifier module according to claim 2, characterized in that: The mounting frame (1) further comprises a middle transverse frame (13) and a top frame (14); the middle transverse frame (13) is fixed to the top of the bottom frame (11); the middle transverse frame (13) is arranged to be through-connected from top to bottom; the left side of the middle transverse frame (13) is fixed to the functional frame (12); the right side of the middle transverse frame (13) is fixed to the column on the right side of the bottom frame (11); the top frame (14) is fixed to the top of the middle transverse frame (13); a voltage module (6) is fixed inside the top frame (14); and the top frames (14) are detachably connected.

5. A high-power power supply rectifier module according to claim 4, characterized in that: The top frame (14) comprises a vertical plate (141), two horizontal plates (142), and an adjustment plate (143); the bottom wall of the vertical plate (141) is vertically fixed with the adjustment plate (143); the adjustment plate (143) is located on the inner side; a plurality of rows of first mounting holes (1431) are provided on the adjustment plate (143) along the Y axis; the adjustment plate (143) is detachably connected to the right rod of the middle horizontal frame (13) through the first mounting holes (1431); the front and rear sides between the vertical plate (141) and the functional frame (12) are each detachably connected with a horizontal plate (142); a plurality of rows of second mounting holes (1421) are provided on a side of the horizontal plate (142) close to the functional frame (12) along the Z axis.

6. A high-power power rectifier module according to claim 2, characterized in that: A connecting busbar (5) is fixed on the functional frame (12) near the voltage module (6), and the connecting busbar (5) is made of a conductive material.

7. A high-power power rectifier module according to claim 1, characterized in that: The voltage module (6) comprises a plurality of filter capacitors, and the filter capacitors can be replaced with different models according to the required voltage.

8. A high-power power rectifier module according to claim 2, characterized in that: The current module (3) further comprises a horizontal copper bar (32), a first bent copper bar (33), and a sensor (34); one, two or three IGBT units (31) can be provided according to the required current; the IGBT units (31) are provided in parallel; one end of the IGBT unit (31) is fixed on the connecting busbar (5); the other end of the IGBT unit (31) is fixed with a horizontal copper bar (32); a first bent copper bar (33) is vertically fixed in the middle of the horizontal copper bar (32); and the first bent copper bar (33) is provided with a sensor (34).

9. A high-power power rectifier module according to claim 8, characterized in that: A mounting plate (111) is fixed between the right uprights of the bottom frame (11), and a plurality of mounting openings (112) are provided on the mounting plate (111) at intervals along the Y axis. The first bent copper bar (33) passes through the sensor (34) and the mounting opening (112) in the middle of the mounting plate (111) and extends out. The extended end of the first bent copper bar (33) is bent downward and fixed to the outside of the mounting plate (111) through a first insulating column (331), and the sensor (34) is fixed to the inside of the mounting plate (111).

10. A high-power power rectifier module according to claim 7, characterized in that: It also comprises a support seat (4); the IGBT unit (31) comprises an absorption capacitor (311), an IGBT module (312), a drive board (313), and a second bent copper busbar (314); the absorption capacitor (311) penetrates the connecting busbar (5) for fixation; the IGBT module (312) is fixed at the protruding end of the absorption capacitor (311); the drive board (313) is fixed on the IGBT module (312); the second bent copper busbar (314) is fixed at the bottom end of the IGBT module (312); the second bent copper busbar (314) is fixed on the horizontal copper busbar (32); the side of the second bent copper busbar (314) away from the horizontal copper busbar (32) is fixed to the support seat (4) through a second insulating column (315); and the support seat (4) is fixed on the functional frame (12).

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