Adjustable transformer rectifier

Abstract

The utility model discloses an adjustable transformer rectifier which comprises a controllable rectifier, the bottom of the controllable rectifier is fixedly connected with a heat conducting plate, the front and back of the heat conducting plate are both provided with clamping grooves, the bottom of the heat conducting plate is provided with a heat dissipation plate, the top of the heat dissipation plate is fixedly connected with two symmetrical sliding grooves, and the sliding grooves are arranged in the clamping grooves. The controllable rectifier is located between the two symmetrical sliding grooves, and the bottom of the heat dissipation plate is fixedly connected with two pairs of symmetrical fixing plates. According to the utility model, by pulling the pull handle, the pull rod drives the two symmetrical clamping blocks to deviate from each other, at the moment, the spring is extruded and contracted, the controllable rectifier is placed at the top of the heat dissipation plate, the pull handle is loosened, the spring is stretched, the spring pushes the clamping blocks to enter the inner cavity of the clamping groove, and the rectifier can be fixed through the fixing structure; the problem that a user needs to consume much time when disassembling, assembling and overhauling the rectifier is avoided, and the aim of improving the overhauling efficiency of the rectifier is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to transformer rectifier technical field, especially, relate to an adjustable transformer rectifier. BACKGROUND

[0002] The transformer rectifier is a kind of device that converts alternating voltage into direct current voltage, and part of rectifier has control function, can be accurately controlled the conduction time of thyristor by applying trigger signal at control electrode, to adjust the size of output voltage, rectifier will produce heat in the working process, therefore, the surface of rectifier is usually equipped with the fin of larger surface area, heat is transferred from heating element to fin by conduction, then heat is dissipated to air by natural convection of fin and surrounding air.

[0003] At present, most of the rectifiers use fins for heat dissipation, the rectifier may be damaged during use, at this time, the rectifier needs to be removed from the fins for maintenance, the rectifier and the fins are mostly connected by bolts, which is troublesome to disassemble, therefore, an adjustable transformer rectifier is needed, which can fix the rectifier through a fixing structure, to avoid the user from consuming too much time when disassembling and maintaining the rectifier, and to improve the rectifier maintenance efficiency. SUMMARY

[0004] The utility model discloses a kind of adjustable transformer rectifiers, with can be fixed by fixing structure to rectifier, avoid the user from consuming too much time when disassembling and maintaining rectifier, improve the rectifier maintenance efficiency purpose, to solve the above background technical problems.

[0005] The technical scheme that the utility model solves above technical problem is as follows: an adjustable transformer rectifier, it includes controllable rectifier, the bottom of the controllable rectifier is fixedly connected with heat conduction plate, the front and back of the heat conduction plate are all set with clamping groove, the bottom of the heat conduction plate is provided with heat dissipation plate, the top of the heat dissipation plate is fixedly connected with two symmetrical sliding grooves, the controllable rectifier is between two symmetrical sliding grooves, the bottom of the heat dissipation plate is fixedly connected with two pairs of symmetrical fixed plates, two the fixed plate between slidingly connected with two symmetrical sliding blocks, two the fixed plate between fixedly connected with slide bar, the slide bar passes through sliding block and is connected with sliding block, the surface of the slide bar is equipped with spring, the one end of the spring is fixedly connected with sliding block, the other end of the spring is fixedly connected with fixed plate, the side opposite to two the sliding block is fixedly connected with pull rod, the pull rod passes through fixed plate to the outside of heat dissipation plate, the top of the heat dissipation plate is provided with clamping block, the bottom of the clamping block passes through sliding groove and is fixedly connected with sliding block, the clamping block is matched with clamping groove.

[0006] Preferably, the pull rod is fixedly connected with a pull handle on the side away from the sliding block, the pull handle is located outside the heat dissipation plate, and the pull handle is a rubber handle.

[0007] Preferably, four symmetric mounting holes are formed in the top of the heat dissipation plate, the mounting holes are long strip-shaped openings, and the corners of the heat conduction plate are rounded.

[0008] Preferably, the top of the sliding block is attached to the bottom of the heat dissipation plate, the sliding block is a rectangular sliding block, and the cross section of the clamping block is T-shaped.

[0009] Preferably, a plurality of heat dissipation fins are fixedly connected to the top and bottom of the heat dissipation plate, and the pull handle is spherical.

[0010] The utility model discloses the beneficial effect is:

[0011] 1. The utility model discloses a pull handle is pulled to make the pull rod drive two symmetric clamping blocks to be opposite, when the spring will be extruded to contract, places the controllable rectifier on the top of the heat dissipation plate, loosens the pull handle, makes the spring stretch, makes the spring push the clamping block and enters the inner chamber of the clamping groove, can reach the purpose that the rectifier is fixed through the fixed structure, avoids the user when the rectifier is disassembled and overhauled to need to consume more time, improves rectifier overhaul efficiency's purpose.

[0012] 2. The utility model discloses the setting of the pull handle, when the user operates the sliding block through the pull handle to the pull rod, avoids the user to directly pull the pull rod, reduces the probability of electric shock when the user operates the sliding block. DRAWINGS

[0013] Among them:

[0014] Figure 1 It is the three-dimensional schematic view of one embodiment of the utility model;

[0015] Figure 2 It is the three-dimensional split schematic view of one embodiment of the utility model;

[0016] Figure 3 It is the three-dimensional split schematic view of the clamping structure of one embodiment of the utility model;

[0017] Figure 4 It is one embodiment of the utility model Figure 3 The local enlarged view of point A in one embodiment of the utility model.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 1 controllable rectifier, 2 heat-conducting plate, 3 clamping groove, 4 heat-dissipating plate, 5 limiting strip, 6 sliding groove, 7 fixed plate, 8 sliding block, 9 sliding rod, 10 spring, 11 pull rod, 12 clamping block, 13 pull handle, 14 mounting hole. DETAILED DESCRIPTION

[0020] Hereinafter, an embodiment of the adjustable transformer rectifier of the present application will be described with reference to the accompanying drawings. Embodiment one:

[0021] Figures 1-4 An adjustable transformer rectifier of an embodiment of the present application is shown, which comprises a controllable rectifier 1, the bottom of the controllable rectifier 1 is fixedly connected with a heat-conducting plate 2, the front and back surfaces of the heat-conducting plate 2 are both provided with clamping grooves 3, the bottom of the heat-conducting plate 2 is provided with a heat-dissipating plate 4, the top of the heat-dissipating plate 4 is provided with four symmetrical mounting holes 14, the mounting holes 14 are long strip-shaped openings, the corners of the heat-conducting plate 2 are rounded, the top of the heat-dissipating plate 4 is fixedly connected with two symmetrical sliding grooves 6, the controllable rectifier 1 is located between the two symmetrical sliding grooves 6, the bottom of the heat-dissipating plate 4 is fixedly connected with two pairs of symmetrical fixed plates 7, two symmetrical sliding blocks 8 are slidingly connected between the two fixed plates 7, a sliding rod 9 is fixedly connected between the two fixed plates 7, the sliding rod 9 penetrates through the sliding blocks 8 and is slidingly connected with the sliding blocks 8, a spring 10 is sleeved on the surface of the sliding rod 9, one end of the spring 10 is fixedly connected with the sliding blocks 8, the other end of the spring 10 is fixedly connected with the fixed plates 7, pull rods 11 are fixedly connected to the sides of the two sliding blocks 8 away from each other, pull handles 13 are fixedly connected to the sides of the pull rods 11 away from the sliding blocks 8, the pull handles 13 are located outside the heat-dissipating plate 4, the pull handles 13 are rubber grips, through the arrangement of the pull handles 13, when the user operates the sliding blocks 8 by pulling the pull rods 11 through the pull handles 13, the user can avoid directly pulling the pull rods 11, thereby reducing the probability of electric shock when the user operates the sliding blocks 8, the pull rods 11 penetrate through the fixed plates 7 to the outside of the heat-dissipating plate 4, the top of the heat-dissipating plate 4 is provided with clamping blocks 12, the bottoms of the clamping blocks 12 penetrate through the sliding grooves 6 and are fixedly connected with the sliding blocks 8, the clamping blocks 12 are matched with the clamping grooves 3. Embodiment two:

[0022] Figures 1-4The adjustable transformer rectifier shown in an embodiment of the utility model, it includes controllable rectifier 1, the bottom of controllable rectifier 1 is fixedly connected with heat conduction plate 2, the front and back of heat conduction plate 2 are all seted up with clamping groove 3, the bottom of heat conduction plate 2 is provided with heat dissipation plate 4, the top and bottom of heat dissipation plate 4 are all fixedly connected with multiple radiating fins, pull handle 13 is spherical, the top of heat dissipation plate 4 is fixedly connected with two symmetrical sliding grooves 6, controllable rectifier 1 is located between two symmetrical sliding grooves 6, the bottom of heat dissipation plate 4 is fixedly connected with two pairs of symmetrical fixed plates 7, two fixed plates 7 are slidably connected with two symmetrical sliding blocks 8 between, the top of sliding block 8 is in conformity with the bottom of heat dissipation plate 4, sliding block 8 is rectangular slide, the section of clamping block 12 is T-shaped, two fixed plates 7 are fixedly connected with slide rod 9 between, slide rod 9 penetrates sliding block 8 and is slidably connected with sliding block 8, the surface of slide rod 9 is sleeved with spring 10, one end of spring 10 is fixedly connected with sliding block 8, the other end of spring 10 is fixedly connected with fixed plate 7, the side opposite to two sliding blocks 8 is all fixedly connected with pull rod 11, pull rod 11 penetrates fixed plate 7 to the outside of heat dissipation plate 4, the top of heat dissipation plate 4 is provided with clamping block 12, the bottom of clamping block 12 passes through sliding groove 6 and is fixedly connected with sliding block 8, clamping block 12 is matched with clamping groove 3.

[0023] Working principle: when the utility model is used, the user pulls pull handle 13, makes pull rod 11 drive clamping block 12 to move with sliding block 8, makes two symmetrical clamping blocks 12 be opposite, at this moment, spring 10 will be extruded by sliding block 8 and contract, places controllable rectifier 1 on the top of heat dissipation plate 4, releases pull handle 13, makes spring 10 stretch, makes spring 10 drive sliding block 8 to move, further makes two symmetrical sliding blocks 8 move towards each other, at this moment, clamping block 12 will enter the inner chamber of clamping groove 3, makes controllable rectifier 1 limit on the top of heat dissipation plate 4, avoids the user to consume more time when disassembling and overhauling rectifier, improves rectifier overhauling efficiency.

[0024] In conclusion: the adjustable transformer rectifier, by pulling pull handle 13, makes pull rod 11 drive two symmetrical clamping blocks 12 to be opposite, at this moment, spring 10 will be extruded and contract, places controllable rectifier 1 on the top of heat dissipation plate 4, releases pull handle 13, makes spring 10 stretch, makes spring 10 drive clamping block 12 to enter the inner chamber of clamping groove 3, can reach the purpose that can be fixed with fixed structure to rectifier, avoids the user to consume more time when disassembling and overhauling rectifier, improves rectifier overhauling efficiency.

Claims

1. An adjustable transformer rectifier characterized by, The utility model provides a controllable rectifier (1), the bottom fixed connection of controllable rectifier (1) has heat conduction board (2), the positive surface and back of heat conduction board (2) are all seted up clamping slot (3), the bottom of heat conduction board (2) is provided with the heat dissipation plate (4), the top of heat dissipation plate (4) is fixedly connected with two symmetrical sliding groove (6), controllable rectifier (1) is located between two symmetrical sliding groove (6), the bottom of heat dissipation plate (4) is fixedly connected with two pairs of symmetrical fixed plate (7), two fixed plate (7) between slidingly connected with two symmetrical sliding block (8), two fixed plate (7) between fixedly connected with slide rod (9), the slide rod (9) passes through sliding block (8) and is connected with sliding block (8) slidingly, the surface of slide rod (9) is equipped with spring (10), and one end of spring (10) is fixedly connected with sliding block (8), and the other end of spring (10) is fixedly connected with fixed plate (7), and two sliding block (8) opposite sides are all fixedly connected with pull rod (11), and pull rod (11) passes through fixed plate (7) to the outside of heat dissipation plate (4), the top of heat dissipation plate (4) is provided with clamping block (12), and the bottom of clamping block (12) passes through sliding groove (6) and is fixedly connected with sliding block (8), and clamping block (12) is adapted with clamping slot (3).

2. An adjustable transformer rectifier as claimed in claim 1, characterized in that The side, away from sliding block (8) of pull rod (11) is fixedly connected with pull handle (13), and pull handle (13) is located outside heat dissipation plate (4), and pull handle (13) is rubber handle.

3. An adjustable transformer rectifier as claimed in claim 2, characterized in that The top of heat dissipation plate (4) is provided with four symmetrical mounting hole (14), and mounting hole (14) is long strip opening, and the corner of heat conduction board (2) is round angle.

4. An adjustable transformer rectifier as claimed in claim 3, characterized in that The top of sliding block (8) is attached with the bottom of heat dissipation plate (4), and sliding block (8) is rectangular sliding block, and the section of clamping block (12) is T-shaped.

5. An adjustable transformer rectifier as claimed in claim 4, characterized in that The top and bottom of heat dissipation plate (4) are fixedly connected with a plurality of radiating fins, and pull handle (13) is spherical.

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