Three-phase full-bridge module

Abstract

The utility model discloses a three-phase full bridge module, including mounting base, quick wiring mechanism and spacing mechanism, mounting base upper end four corners are respectively provided with slide hole, quick wiring mechanism includes fixed cover, first slide column, spring no. 1, mounting groove, locking subassembly and wiring subassembly, fixed cover is provided mounting base upper end, first slide column no. The three-phase full-bridge module comprises a fixing cover, a sliding hole is formed in the fixing cover, first sliding columns are slidably connected into the sliding hole, the upper ends of the four first sliding columns are fixedly connected with the lower end of the fixing cover, first springs are arranged between the lower ends of the first sliding columns and the inner wall of the sliding hole, and mounting grooves are evenly formed in the front side and the rear side of the fixing cover. The three-phase full-bridge module has the advantages that the three-phase full-bridge module is provided with the quick wiring mechanism, all circuits can be connected and disconnected at the same time, a single circuit can be connected and disconnected, the wiring efficiency is improved, the three-phase full-bridge module is further provided with the limiting mechanism, connection points can be effectively prevented from loosening, and the safety performance of the three-phase full-bridge module is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to three -phase full bridge module technical field, concretely is a three -phase full bridge module. BACKGROUND

[0002] Three -phase full bridge module, also known as three -phase bridge type full -wave circuit module, is an electronic component, usually used to convert AC signal into DC signal, it is by six diodes Bridge circuit is widely used in electrical engineering, the working principle of module can be simply regarded as a voltage converter, outdoor unit mainboard CPU outputs 6 way signal, passes through the amplification of module internal drive circuit, controls the conduction and cut -off of IGBT switch tube, converts DC 300V voltage into the analog three -phase AC that frequency is directly proportional, thereby drives equipment operation, the existing three -phase full bridge module needs to use fixed bolt to fix the line and the contact piece above the module when using, the fixed bolt is loosened in turn by screwdriver, then the line is placed on the contact piece, then the fixed bolt is tightened in turn, completes the wiring work, and the traditional three -phase full bridge module carries out the wiring work through the fixed bolt, needs to rely on external tool and tighten and loosen the fixed bolt in turn, cannot carry out the connection work of line as a whole, and the wiring efficiency is low, and it is quite troublesome, and the fixed bolt also lacks the limit, and after long -term work, the fixed bolt is prone to loosening under the influence of equipment vibration, thereby leading to the loosening of line, and there is a potential safety hazard, and therefore we propose a three -phase full bridge module. CONTENT OF UTILITY MODEL

[0003] The utility model solves the technical problem of overcoming the existing defects, provides a three -phase full bridge module, is equipped with quick wiring mechanism, can simultaneously carry out the connection and disconnection of all lines, also can carry out the connection and disconnection of single line, improves the wiring efficiency, is also equipped with limiting mechanism, can effectively prevent the loosening of connecting point, improves the safety performance of three -phase full bridge module, can effectively solve the problems in the background art.

[0004] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme: a three -phase full bridge module, including mounting seat, quick wiring mechanism and limiting mechanism,

[0005] Mounting seat: the upper end four corners are respectively provided with slide hole;

[0006] Quick wiring mechanism: it includes fixed cover, first slide column, spring one, installation slot, locking assembly and wiring assembly, the fixed cover is arranged in the upper end of mounting seat, the first slide column is slidably connected in the inside of slide hole, the upper end of four first slide columns is fixedly connected with the lower end of fixed cover, and the lower end of first slide column is provided with spring one between the inner wall of slide hole, the installation slot is evenly provided on the front and back sides of fixed cover, the locking assembly is arranged in the inside lower end of mounting seat, and the wiring assembly is arranged in the inside of installation slot;

[0007] The limiting mechanism is arranged in the middle of the inner part of the fixed cover, is provided with a quick wiring mechanism, can simultaneously connect and disconnect all lines, and can also connect and disconnect single lines, improves the wiring efficiency, is also provided with a limiting mechanism, can effectively prevent the loosening of the connection point, and improves the safety performance of the three-phase full-bridge module.

[0008] Further, the locking assembly includes locking blocks, slide handles, springs two, and connecting plates. The front and rear sides of the lower end of the mounting seat are each provided with a sliding groove one. The locking blocks are each slidingly connected to the inside of the sliding groove one. The slide handles are each arranged on the inner side end of the locking block. The slide handles are each provided with a spring two between the side close to the middle of the mounting seat and the inner wall of the sliding groove one. The connecting plates are each arranged on the middle of the front and rear sides of the lower end of the fixed cover. The lower end of the connecting plate is each matched and installed with the outer side end of the vertically adjacent locking block. The connecting plates provide a basis for the connection and disconnection of the whole external lead.

[0009] Further, the wiring assembly includes mounting blocks, lead screws, and sliding blocks. The mounting blocks are each arranged in the inside of the mounting groove. The lead screws are each rotationally connected to the middle of the inside of the mounting block. The sliding blocks are each slidingly connected to the lower end of the inside of the mounting block. The outer surface of the lower end of the lead screw is each threadedly connected with the middle of the inside of the vertically adjacent sliding block. The sliding blocks provide a basis for the connection and disconnection of the individual external lead.

[0010] Further, the wiring assembly includes knobs one. The knobs one are each arranged on the upper end of the mounting block. The lower end of the knob one is fixedly connected with the upper end of the lead screw. The knobs one provide a driving effect for the connection and disconnection of the external lead.

[0011] Further, the quick wiring mechanism further includes a mother board, IGBT switch tubes, and contact plates. The mother board is arranged on the lower end of the mounting seat. The IGBT switch tubes are evenly arranged on the upper end of the mother board. The contact plates are evenly arranged on the upper end of the mounting seat. The output ends of the two contact plates on the left side are each electrically connected with the input end of the IGBT switch tube. The input ends of the two contact plates on the right side are each electrically connected with the output end of the IGBT switch tube. The upper end of the contact plate is each matched and installed with the lower end of the vertically adjacent sliding block. The contact plates provide a basis for the conversion of the voltage and the connection of the external lead.

[0012] Further, the limiting mechanism includes second sliding columns, moving plates, springs three, and protrusions. The middle of the inside of the fixed cover is provided with a sliding groove two. The second sliding columns are each arranged on the front and rear sides of the inside of the sliding groove two. The two second sliding columns are each slidingly connected with the moving plate. The side of the moving plate away from the middle of the fixed cover is each provided with a spring three between the inner wall of the sliding groove two. The spring three is each sleeved on the outer surface of the second sliding column. The protrusions are each arranged on the side of the moving plate away from the middle of the fixed cover. The outer edge of the knob one is each provided with a recess. The outer edge of the protrusion is each matched and installed with the inner wall of the vertically adjacent recess. The protrusions provide a limiting effect for the knob one.

[0013] Further, the limiting mechanism comprises two cam and knobs, the cam is rotationally connected to the middle of the slide groove two, the two moving pieces are installed on the outer edge of the cam near the one side of the middle part of the fixed cover, the knob two is arranged on the upper end of the cam, and the limiting of the knob one is driven.

[0014] Compared with the prior art, the three-phase full-bridge module has the following advantages:

[0015] 1. The fixed cover is locked and released by the sliding handle, so that the external wire is connected and disconnected as a whole, the knob one is rotated to drive the screw rod to rotate, so that the sliding block moves, and then the external wire is connected and disconnected alone

[0016] 2. The knob two is rotated to drive the cam to rotate, the moving piece and the protrusion are moved by the extrusion of the cam, the knob one is limited by the cooperation of the protrusion and the notch, and the external wire is prevented from loosening due to equipment vibration. DETAILED DESCRIPTION

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the utility model quick wiring mechanism and limiting mechanism;

[0019] Figure 3 It is a structural schematic view of the utility model limiting mechanism;

[0020] Figure 4 It is a structural schematic view of the utility model locking assembly;

[0021] Figure 5 It is a structural schematic view of the utility model wiring assembly.

[0022] In the figure: 1 mounting seat, 2 slide hole, 3 quick wiring mechanism, 31 fixed cover, 32 first slide column, 33 spring one, 34 locking assembly, 341 locking block, 342 sliding handle, 343 spring two, 344 connecting piece, 35 mounting groove, 36 wiring assembly, 361 mounting block, 362 screw rod, 363 sliding block, 364 knob one, 37 mother plate, 38 IGBT switch tube, 39 contact piece, 4 limiting mechanism, 41 second slide column, 42 moving piece, 43 spring three, 44 cam, 45 knob two, 46 protrusion, 5 slide groove one, 6 slide groove two. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] Please refer to Figures 1-5 The embodiment provides a technical scheme: a three-phase full-bridge module, comprising a mounting seat 1, a quick wiring mechanism 3 and a limiting mechanism 4.

[0025] The mounting seat 1: the upper end of which is provided with sliding holes 2 at four corners;

[0026] The quick wiring mechanism 3 comprises a fixed cover 31, a first sliding column 32, a spring one 33, a mounting groove 35, a locking assembly 34 and a wiring assembly 36. The fixed cover 31 is arranged at the upper end of the mounting base 1. The first sliding column 32 is slidingly connected to the inner part of the sliding hole 2. The upper end of the four first sliding columns 32 is fixedly connected with the lower end of the fixed cover 31. The lower end of the first sliding column 32 is provided with the spring one 33 between the inner wall of the sliding hole 2. The mounting groove 35 is evenly arranged on the front and back sides of the fixed cover 31. Two mounting grooves 35 are arranged on the left side of the fixed cover 31. Three mounting grooves 35 are arranged on the right side of the fixed cover 31. The locking assembly 34 is arranged at the inner lower end of the mounting base 1. The wiring assembly 36 is arranged in the inner part of the mounting groove 35. The locking assembly 34 comprises a locking block 341, a sliding handle 342, a spring two 343 and a connecting sheet 344. The inner lower end of the mounting base 1 is provided with a sliding groove one 5 on the front and back sides. The locking block 341 is slidingly connected to the inner part of the sliding groove one 5. The outer side end of the locking block 341 is provided with an inclined surface one. The sliding handle 342 is arranged at the inner side end of the locking block 341. The spring two 343 is arranged between the sliding handle 342 close to the middle part of the mounting base 1 and the inner wall of the sliding groove one 5. The connecting sheet 344 is arranged at the middle part of the front and back sides of the lower end of the fixed cover 31. The lower end of the connecting sheet 344 is provided with an inclined surface two. The lower end of the connecting sheet 344 is matched and arranged with the outer side end of the vertically adjacent locking block 341. The locking is realized by the inclined surface one pressing the inclined surface two. It provides the basis for the connection and disconnection of the external lead wire as a whole. The wiring assembly 36 comprises a mounting block 361, a lead screw 362 and a sliding block 363. The mounting block 361 is arranged in the inner part of the mounting groove 35. The lead screw 362 is rotatingly connected to the inner middle part of the mounting block 361. The sliding block 363 is slidingly connected to the inner lower end of the mounting block 361. The outer surface lower end of the lead screw 362 is screw-connected with the inner middle part of the vertically adjacent sliding block 363. It provides the basis for the connection and disconnection of the single external lead wire. The wiring assembly 36 comprises a knob one 364. The knob one 364 is arranged in the inner upper end of the mounting block 361. The lower end middle part of the knob one 364 is fixedly connected with the upper end of the lead screw 362. It provides the driving effect for the connection and disconnection of the external lead wire. The quick wiring mechanism 3 further comprises a female plate 37, an IGBT switch tube 38 and a contact sheet 39. The female plate 37 is arranged at the inner lower end of the mounting base 1. The female plate 37 is a PCB circuit board. The IGBT switch tube 38 is evenly arranged at the upper end of the female plate 37. The contact sheet 39 is evenly arranged at the upper end of the mounting base 1. The contact sheet 39 is made of metal copper with good conductivity. The output end of the two contact sheets 39 on the left side is electrically connected with the input end of the IGBT switch tube 38. The input end of the two contact sheets 39 on the right side is electrically connected with the output end of the IGBT switch tube 38. The upper end of the contact sheet 39 is matched and arranged with the lower end of the vertically adjacent sliding block 363. It provides the basis for the conversion of voltage and the connection of the external lead wire.

[0027] The limiting mechanism 4 is arranged in the middle of the inner part of the fixed cover 31, and the limiting mechanism 4 comprises a second sliding column 41, a moving piece 42, a spring 43 and a protrusion 46. The middle of the inner part of the fixed cover 31 is provided with a sliding groove 2, and the second sliding column 41 is arranged on the front and back of the sliding groove 2. The moving piece 42 is slidably connected between the two second sliding columns 41. The spring 43 is arranged between the moving piece 42 and the inner wall of the sliding groove 2. The spring 43 is sleeved on the outer surface of the second sliding column 41. The protrusion 46 is arranged on the side of the moving piece 42 away from the middle of the fixed cover 31. Two protrusions 46 are arranged on the left moving piece 42, and three protrusions 46 are arranged on the right moving piece 42. The outer edge of the knob 364 is provided with a notch. The outer edge of the protrusion 46 is matched and installed with the inner wall of the vertically adjacent notch, which provides a limiting effect for the knob 364. The limiting mechanism 4 comprises a cam 44 and a knob 45. The cam 44 is rotatably connected to the middle of the inner part of the sliding groove 2. The side of the two moving pieces 42 close to the middle of the fixed cover 31 is matched and installed with the outer edge of the cam 44. The knob 45 is arranged on the upper end of the cam 44, which provides a driving effect for the limiting of the knob 364. The quick wiring mechanism 3 can simultaneously connect and disconnect all lines, and can also connect and disconnect single lines, which improves the wiring efficiency. The limiting mechanism 4 can effectively prevent the connection point from loosening, and improves the safety performance of the three-phase full-bridge module.

[0028] The working principle of the three-phase full-bridge module is as follows: when the three-phase full-bridge module is used, first, the external wires are connected, the two slide handles 342 are inwardly pushed, the locking blocks 341 are synchronously inwardly moved, until the external side ends of the locking blocks 341 all enter the inside of the sliding groove one 5, at this time, the locking blocks 341 are separated from the connecting pieces 344, the connecting pieces 344 are not limited, the spring one 33 is expanded, the first slide column 32 is moved upward, the fixed cover 31 is also moved upward, until the connecting piece 344 contacts the limiting protrusion, the fixed cover 31 stops moving upward, the slide handle 342 is loosened, the locking block 341 returns to the original position, the external wires are sequentially placed on the corresponding contact pieces 39, the fixed cover 31 is pressed downward, the spring one 33 is contracted under stress, the connecting piece 344 is also moved downward, when the connecting piece 344 contacts the locking block 341, the inclined surface one at the lower end of the connecting piece 344 extrudes the inclined surface two at the external side end of the locking block 341, so that the locking block 341 is moved to one side of the middle part of the mounting base 1 under stress, then the connecting piece 344 passes the locking block 341, the spring two 343 moves outwardly with the locking block 341, at this time, the lower end of the locking block 341 on the same side is attached to the bottom wall of the connecting piece 344, a locking effect is formed, the sliding block 363 and the contact piece 39 clamp and fix the external wires, the external wires are integrally connected, then the conduction and the cut-off of the IGBT switch tube 38 can be controlled, so that the direct current 300V voltage is converted into analog three-phase alternating current which is proportional to frequency, when it is needed to disconnect and replace a single external wire, first, the limiting effect is released, the knob two 45 is rotated to drive the cam 44 to rotate, so that the protruding parts of the cam 44 are distributed in front and back, the moving piece 42 loses the extrusion effect, the spring three 43 is expanded under no stress, the two moving pieces 42 are synchronously inwardly moved, the protrusion 46 is also synchronously moved, and is separated from the inside of the notch, at this time, the knob one 364 loses the limiting effect, the knob one 364 is reversely rotated to drive the screw rod 362 to rotate, the sliding block 363 moves upward, the external wire loses the limitation, and the external wire can be quickly pulled out, after the new external wire is replaced, the knob one 364 is forwardly rotated, the sliding block 363 moves downward, and the external wire is fixed, then the knob two 45 is rotated, the protruding parts of the cam 44 extrude the moving piece 42, the two moving pieces 42 are synchronously outwardly moved, the protrusion 46 is also synchronously moved, and re-enters the inside of the notch, the knob one 364 is limited, and the external wire is prevented from loosening due to equipment vibration.

[0029] It is worth noting that the IGBT switch tube 38 disclosed in the above embodiment is HX-808 IGBT switch tube.

[0030] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations in the utility model specification and the attached drawings, or direct or indirect application in other related technical fields are all reasonably included in the patent protection range of the utility model.

Claims

1. A three-phase full-bridge module, characterized by: It include installation seat (1), quick wiring mechanism (3) and limiting mechanism (4); The upper end of the installation seat (1) is provided with sliding holes (2) at four corners; The quick wiring mechanism (3) includes a fixed cover (31), a first sliding column (32), a spring (33), a mounting groove (35), a locking assembly (34) and a wiring assembly (36). The fixed cover (31) is arranged at the upper end of the installation seat (1). The first sliding column (32) is slidably connected to the inside of the sliding hole (2). The upper end of the four first sliding columns (32) is fixedly connected to the lower end of the fixed cover (31). The lower end of the first sliding column (32) is provided with a spring (33) between the inner wall of the sliding hole (2). The mounting groove (35) is evenly arranged on the front and rear sides of the fixed cover (31). The locking assembly (34) is arranged at the lower end of the inside of the installation seat (1). The wiring assembly (36) is arranged in the inside of the mounting groove (35). The limiting mechanism (4) is arranged in the middle of the inside of the fixed cover (31).

2. A three-phase full-bridge module according to claim 1, characterized in that: The locking assembly (34) includes a locking block (341), a sliding handle (342), a spring (343) and a connecting piece (344). The inside of the lower end of the installation seat (1) is provided with a sliding groove (5) on the front and rear sides. The locking block (341) is slidably connected to the inside of the sliding groove (5). The sliding handle (342) is arranged on the inner side of the locking block (341). The spring (343) is arranged between the sliding handle (342) close to the middle of the installation seat (1) and the inner wall of the sliding groove (5). The connecting piece (344) is arranged on the front and rear sides of the middle of the lower end of the fixed cover (31). The lower end of the connecting piece (344) is matched and arranged with the outer side of the vertically adjacent locking block (341).

3. A three-phase full-bridge module according to claim 1, characterized in that: The wiring assembly (36) includes a mounting block (361), a lead screw (362) and a sliding block (363). The mounting block (361) is arranged in the inside of the mounting groove (35). The lead screw (362) is rotatably connected to the middle of the inside of the mounting block (361). The sliding block (363) is slidably connected to the lower end of the inside of the mounting block (361). The outer surface of the lower end of the lead screw (362) is threadedly connected to the middle of the inside of the vertically adjacent sliding block (363).

4. A three-phase full-bridge module according to claim 3, characterized in that: The wiring assembly (36) includes a knob (364). The knob (364) is arranged in the inside of the upper end of the mounting block (361). The lower end of the knob (364) is fixedly connected to the upper end of the lead screw (362).

5. A three-phase full-bridge module according to claim 1, characterized in that: The quick wiring mechanism (3) further includes a female plate (37), an IGBT switch tube (38) and a contact piece (39). The female plate (37) is arranged at the lower end of the inside of the installation seat (1). The IGBT switch tube (38) is evenly arranged at the upper end of the female plate (37). The contact piece (39) is evenly arranged at the upper end of the installation seat (1). The output end of the two contact pieces (39) on the left side is electrically connected to the input end of the IGBT switch tube (38). The input end of the two contact pieces (39) on the right side is electrically connected to the output end of the IGBT switch tube (38). The upper end of the contact piece (39) is matched and arranged with the lower end of the vertically adjacent sliding block (363).

6. A three-phase full-bridge module according to claim 4, characterized in that: The limiting mechanism (4) comprises a second sliding column (41), a moving piece (42), a spring three (43) and a protrusion (46), a sliding groove two (6) is formed in the middle of the inner part of the fixed cover (31), the second sliding column (41) is arranged on the front and rear sides of the inner part of the sliding groove two (6) respectively, the moving piece (42) is slidably connected between the two second sliding columns (41), the spring three (43) is arranged between the moving piece (42) and the inner wall of the sliding groove two (6) away from the middle of the fixed cover (31), the spring three (43) is sleeved on the outer surface of the second sliding column (41), the protrusion (46) is arranged on the side of the moving piece (42) away from the middle of the fixed cover (31), the outer edge of the knob one (364) is provided with a notch, and the outer edge of the protrusion (46) is matched and installed with the inner wall of the notch vertically adjacent.

7. A three-phase full-bridge module according to claim 6, characterized in that: The limiting mechanism (4) comprises a cam (44) and a knob two (45), the cam (44) is rotatably connected to the inner middle of the sliding groove two (6), the side of the two moving pieces (42) close to the middle of the fixed cover (31) is matched and installed with the outer edge of the cam (44), and the knob two (45) is arranged on the upper end of the cam (44).

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