Direct insertion type rectifier bridge

Abstract

The utility model relates to the technical field of rectifier bridges, and discloses a direct insertion type rectifier bridge which comprises a mounting plate, L-shaped connecting plates are arranged at the two ends of the mounting plate, the mounting plate is fixedly connected to the middle of the opposite sides of the two L-shaped connecting plates, and two sets of cooling fins are arranged at the top of the mounting plate and close to the two sides of the L-shaped connecting plates. A vertical plate is fixedly connected between the two sets of cooling fins, a mounting groove is defined by the cooling fins and the vertical plate, a limiting hole is formed in the middle of the bottom of the mounting groove, the limiting hole is formed in the mounting plate, and a rectifier bridge shell is mounted in the mounting groove. The connecting arms are controlled to be collected, so that the buckling parts and the mounting plates are clamped, mounting and limiting of the rectifier bridge shell in the mounting grooves are completed, the rectifier bridge shell in the mounting grooves is sealed through the sealing liquid, surface aging of the rectifier bridge shell is prevented, and heat is absorbed and dissipated through the cooling fins.

Description

Technical Field

[0001] The utility model relates to the technical field of rectifier bridges, and more specifically to a direct-plug rectifier bridge. Background Art

[0002] The rectifier bridge generally carries a sufficiently large inductive load, so there is no current discontinuity in the rectifier bridge. When the rectifier bridge is generally used, a smoothing inductor is often connected to its load end, so its load can be regarded as a constant current source. Multiple groups of three-phase rectifier bridges are connected to each other so that the harmonics generated by the rectifier bridge circuit cancel each other out.

[0003] The shortcomings of the existing technology are as follows: when the rectifier bridge is in use, the heat-generating electronic components inside it will generate a large amount of heat, so the heat-generating electronic components must be cooled, and after the rectifier bridge is connected to the circuit board, the rectifier bridge as a whole is supported by pins directly connected to the circuit board. When the rectifier bridge is subjected to heavy pressure, the external force will bend the supporting pins, affecting the service life of the rectifier bridge. At the same time, when the rectifier bridge is connected to the heat dissipation components, it is often necessary to use screws to fix it, which is complicated to operate and inconvenient to disassemble and install. Therefore, it is necessary to design a plug-in rectifier bridge. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a direct-plug rectifier bridge to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solutions: a plug-in rectifier bridge, comprising a mounting plate, both ends of the mounting plate are provided with L-shaped connecting plates, the mounting plates are fixedly connected at the center position of the opposite sides of the two L-shaped connecting plates, two groups of heat sinks are provided on the top of the mounting plate near the two sides of the L-shaped connecting plates, a vertical plate is fixedly connected between the two groups of heat sinks, the heat sinks and the vertical plates are enclosed to form a mounting groove, a limiting hole is provided at the center position of the bottom of the mounting groove, the limiting hole is opened on the mounting plate, a rectifier bridge housing is installed in the mounting groove, and a sealing liquid is provided between the mounting groove and the side walls of the rectifier bridge housing.

[0006] Preferably, the L-shaped connecting plate is made of aluminum metal, a short plate is provided at the bottom of the L-shaped connecting plate, a plurality of through slots are opened at equal intervals on the short plate, a plurality of through slots are provided in each of the through slots, and the through slots are adapted to the fixing bolts.

[0007] Preferably, the heat sink is composed of a plurality of heat-conducting metal sheets, which are arranged at equal intervals on the upper and lower sides of the mounting plate, and a heat dissipation channel is provided between two adjacent heat-conducting metal sheets.

[0008] Preferably, a support mechanism is provided on a side of the vertical plate away from the rectifier bridge housing, and the support mechanism is fixedly connected to the mounting plate.

[0009] Preferably, the supporting mechanism includes a fixed support rod, a movable support rod, a fixed block and a rubber block. The movable support rod is arranged inside the fixed support rod. The movable support rod is threadedly connected to the fixed support rod. The end of the movable support rod away from the fixed support rod is fixedly connected to the fixed block, and the top of the fixed block is fixedly connected to the rubber block.

[0010] Preferably, pin plugs are fixedly connected to the four corners of the top of the rectifier bridge housing, thermal conductive silicone grease is provided at the bottom of the rectifier bridge housing, and a limiting component is fixedly connected to the center position of the top of the rectifier bridge housing.

[0011] Preferably, mutually symmetrical arc grooves are provided on both sides of the pin plug, and a through hole is provided at a central position of the pin plug.

[0012] Preferably, the limiting assembly is arranged in the limiting hole, and the limiting assembly includes four circumferentially arranged bending parts, the top of the bending part is fixedly connected with a connecting arm, the outer wall of the connecting arm is fixedly connected with a buckle part, and the buckle part is snap-connected with the mounting plate through the limiting hole.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model is provided with a heat sink. The rectifier bridge housing generates heat during operation. The heat is transferred to the heat-conducting metal sheet through the thermal grease. The heat-conducting metal sheet absorbs the heat and dissipates it to the outside through the heat dissipation channel, thereby achieving heat dissipation of the rectifier bridge.

[0015] 2. The utility model is provided with a limit assembly, which controls the connection arm to be contracted so that the buckle part is engaged with the mounting plate, thereby completing the installation and limitation of the rectifier bridge housing in the mounting groove, and uses a sealing liquid to seal the rectifier bridge housing in the mounting groove to prevent its surface aging, thereby increasing the service life of the rectifier bridge.

[0016] 3. The utility model is provided with a support mechanism, and the height of the support mechanism is adjusted by threaded rotation of a fixed support rod in a movable support rod, so that it can be adjusted according to different height requirements, which is more practical. The stability of the support is improved by the fixed block and the rubber block. The support mechanism replaces the pin plug to support the rectifier bridge, so that the connected pin plug no longer supports the rectifier bridge, preventing the pin plug from being damaged by bending due to heavy pressure on the rectifier bridge, thereby protecting the pin plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the main structure of the utility model.

[0019] Figure 3 It is a schematic diagram of the explosion structure of the utility model.

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model.

[0021] Figure 5 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0022] Figure 6 for Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0023] The accompanying drawings are marked as follows: 1. mounting plate; 2. L-shaped connecting plate; 201. short plate; 202. through groove; 3. heat sink; 301. thermal conductive metal sheet; 302. heat dissipation channel; 4. vertical plate; 5. mounting groove; 6. limiting hole; 7. rectifier bridge housing; 701. pin plug; 7011. arc groove; 7012. through hole; 702. thermal grease; 703. limiting assembly; 7031. bending portion; 7032. connecting arm; 7033. snap-fit ​​portion; 8. supporting mechanism; 801. fixed support rod; 802. movable support rod; 803. fixed block; 804. rubber block; 9. sealing liquid; 10. fixing bolt. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The plug-in rectifier bridge involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0025] The utility model provides a direct plug-in rectifier bridge. Figure 1-6As shown, it includes a mounting plate 1, L-shaped connecting plates 2 are arranged at both ends of the mounting plate 1, the mounting plates 1 are fixedly connected at the center position of the opposite sides of the two L-shaped connecting plates 2, two groups of heat sinks 3 are arranged on the top of the mounting plate 1 near the two sides of the L-shaped connecting plate 2, a vertical plate 4 is fixedly connected between the two groups of heat sinks 3, and the heat sink 3 and the vertical plate 4 form a mounting groove 5, a limiting hole 6 is arranged at the center position of the bottom of the mounting groove 5, the limiting hole 6 is opened on the mounting plate 1, a rectifier bridge housing 7 is installed in the mounting groove 5, a sealing liquid 9 is arranged between the mounting groove 5 and the side wall of the rectifier bridge housing 7, and the sealing liquid 9 is used to seal the rectifier bridge housing 7 in the mounting groove 5 to prevent its surface aging, thereby increasing the service life of the rectifier bridge and facilitating the heat transfer to the heat sink 3 for heat dissipation.

[0026] Furthermore, the L-shaped connecting plate 2 is made of aluminum metal, and a short plate 201 is provided at the bottom of the L-shaped connecting plate 2. A number of through grooves 202 are opened at equal intervals on the short plate 201, and fixing bolts 10 are provided in the through grooves 202. The through grooves 202 are adapted to the fixing bolts 10, and the fixing bolts 10 are used to connect and fix the L-shaped connecting plate 2 to the mounting surface, so that the rectifier bridge can be stably installed.

[0027] Furthermore, the heat sink 3 is composed of a plurality of heat-conducting metal sheets 301, which are arranged at equal intervals on the upper and lower sides of the mounting plate 1, and a heat dissipation channel 302 is arranged between two adjacent heat-conducting metal sheets 301. When in use, the rectifier bridge housing 7 generates heat during operation, and the heat is transferred to the heat-conducting metal sheet 301 through the thermal grease 702. The heat-conducting metal sheet 301 absorbs the heat and dissipates it to the outside through the heat dissipation channel 302.

[0028] Furthermore, a support mechanism 8 is provided on the side of the vertical plate 4 away from the rectifier bridge housing 7, and the support mechanism 8 is fixedly connected to the mounting plate 1. The support mechanism 8 replaces the pin plug 701 in supporting the rectifier bridge, so that the connected pin plug 701 no longer supports the rectifier bridge, thereby preventing the pin plug 701 from being damaged by bending due to heavy pressure on the rectifier bridge, thereby protecting the pin plug 701.

[0029] Furthermore, the support mechanism 8 includes a fixed support rod 801, a movable support rod 802, a fixed block 803 and a rubber block 804. The fixed support rod 801 is provided with a movable support rod 802 inside, and the movable support rod 802 is threadedly connected to the fixed support rod 801. The end of the movable support rod 802 away from the fixed support rod 801 is fixedly connected to the fixed block 803, and the top of the fixed block 803 is fixedly connected to the rubber block 804. The fixed support rod 801 is threadedly rotated in the movable support rod 802, thereby adjusting the height of the support mechanism 8, making it more practical and able to be adjusted according to different height requirements. The stability of the support is improved by the fixed block 803 and the rubber block 804, replacing the supporting role of the pin plug 701 for the rectifier bridge, so that the connected pin plug 701 no longer supports the rectifier bridge, preventing the pin plug 701 from being damaged by bending due to the rectifier bridge being subjected to heavy pressure, and protecting the pin plug 701.

[0030] Furthermore, pin plugs 701 are fixedly connected to the four corners of the top of the rectifier bridge housing 7, and thermal grease 702 is provided at the bottom of the rectifier bridge housing 7. The heat generated by the electronic components in the rectifier bridge housing 7 due to work is absorbed by the thermal grease 702, and the heat is dissipated through the heat sink 3, thereby improving the stability of the rectifier bridge during operation. A limiting component 703 is fixedly connected at the center position of the top of the rectifier bridge housing 7.

[0031] Furthermore, mutually symmetrical arc grooves 7011 are provided on both sides of the pin plug 701, and a through hole 7012 is provided at the center position of the pin plug 701. When the rectifier bridge is used to connect with a circuit, the arc groove 7011 and the through hole 7012 provided on the pin plug 701 can facilitate the fixed connection between the pin plug 701 and the circuit, making the connection more stable. When the rectifier bridge is tested, the detection head can be limited by the arc groove 7011, so that it is not easy to slip during testing, thereby improving the accuracy of the detection value.

[0032] Furthermore, the limiting assembly 703 is arranged in the limiting hole 6, and the limiting assembly 703 includes four circumferentially arranged bending portions 7031, the top of the bending portion 7031 is fixedly connected with a connecting arm 7032, and the outer wall of the connecting arm 7032 is fixedly connected with a snap portion 7033, and the snap portion 7033 is snap-connected with the mounting plate 1 through the limiting hole 6. During installation, the connecting arm 7032 is pinched to be contracted under the action of the bending portion 7031, so that the limiting assembly 703 enters the limiting hole 6, releases the contraction of the connecting arm 7032, and restores the connecting arm 7032 to its initial shape. At this time, the snap portion 7033 is snap-connected with the mounting plate 1, completing the installation and limitation of the rectifier bridge housing 7 in the mounting groove 5.

[0033] The working principle of the utility model is as follows: during installation, the connecting arm 7032 is pinched to make it converge under the action of the bending portion 7031, so that the limiting component 703 enters the limiting hole 6, and the convergence of the connecting arm 7032 is released, so that the connecting arm 7032 returns to its initial shape. At this time, the buckle portion 7033 is engaged with the mounting plate 1, and the installation and limitation of the rectifier bridge housing 7 in the mounting groove 5 are completed. The sealing liquid 9 is used to seal the rectifier bridge housing 7 in the mounting groove 5, and the fixed support rod 801 is threadedly rotated in the movable support rod 802, thereby adjusting the height of the support mechanism 8, making it more practical and able to be adjusted according to different height requirements. The stability of the support is improved by the fixed block 803 and the rubber block 804, replacing the pin plug 701 to support the rectifier bridge. When in use, the rectifier bridge housing 7 generates heat during operation, and the heat is transferred to the heat-conducting metal sheet 301 through the thermal grease 702. The heat-conducting metal sheet 301 absorbs the heat and dissipates it to the outside through the heat dissipation channel 302.

[0034] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0035] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A plug-in rectifier bridge, comprising a mounting plate (1), characterized in that: L-shaped connecting plates (2) are provided at both ends of the mounting plate (1); the mounting plates (1) are fixedly connected at the center positions of the two opposite sides of the L-shaped connecting plates (2); two groups of heat sinks (3) are provided on the top of the mounting plate (1) near the two sides of the L-shaped connecting plates (2); a vertical plate (4) is fixedly connected between the two groups of heat sinks (3); the heat sinks (3) and the vertical plate (4) are enclosed to form a mounting groove (5); a limiting hole (6) is provided at the center position of the bottom of the mounting groove (5); the limiting hole (6) is opened on the mounting plate (1); a rectifier bridge housing (7) is installed in the mounting groove (5); and a sealing liquid (9) is provided between the mounting groove (5) and the side wall of the rectifier bridge housing (7).

2. A plug-in rectifier bridge according to claim 1, characterized in that: The L-shaped connecting plate (2) is made of aluminum metal. A short plate (201) is provided at the bottom of the L-shaped connecting plate (2). A plurality of through slots (202) are provided at equal intervals on the short plate (201). Fixing bolts (10) are provided in each of the through slots (202). The through slots (202) are adapted to fit the fixing bolts (10).

3. The plug-in rectifier bridge according to claim 1, characterized in that: The heat sink (3) is composed of a plurality of heat-conducting metal sheets (301), the heat-conducting metal sheets (301) being arranged at equal intervals on the upper and lower sides of the mounting plate (1), and a heat dissipation channel (302) being arranged between two adjacent heat-conducting metal sheets (301).

4. The plug-in rectifier bridge according to claim 1, characterized in that: A support mechanism (8) is provided on a side of the vertical plate (4) away from the rectifier bridge housing (7), and the support mechanism (8) is fixedly connected to the mounting plate (1).

5. A plug-in rectifier bridge according to claim 4, characterized in that: The support mechanism (8) comprises a fixed support rod (801), a movable support rod (802), a fixed block (803) and a rubber block (804); the movable support rod (802) is arranged inside the fixed support rod (801); the movable support rod (802) is threadedly connected to the fixed support rod (801); one end of the movable support rod (802) away from the fixed support rod (801) is fixedly connected to the fixed block (803); and the top of the fixed block (803) is fixedly connected to the rubber block (804).

6. The plug-in rectifier bridge according to claim 1, characterized in that: Pin plugs (701) are fixedly connected to the four corners of the top of the rectifier bridge housing (7), thermal conductive silicone grease (702) is provided at the bottom of the rectifier bridge housing (7), and a limit position component (703) is fixedly connected to the center position of the top of the rectifier bridge housing (7).

7. The plug-in rectifier bridge according to claim 6, characterized in that: Mutually symmetrical arc grooves (7011) are provided on both sides of the pin plug (701), and a through hole (7012) is provided at the center of the pin plug (701).

8. The plug-in rectifier bridge according to claim 7, characterized in that: The limiting assembly (703) is arranged in the limiting hole (6), and the limiting assembly (703) comprises four circumferentially arranged bending portions (7031), the top of the bending portion (7031) is fixedly connected to a connecting arm (7032), the outer wall of the connecting arm (7032) is fixedly connected to a buckle portion (7033), and the buckle portion (7033) is snap-connected to the mounting plate (1) through the limiting hole (6).

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