CN114071926B

CN114071926B - Electric power module mounting structure convenient to joint is difficult for rocking

Info

Publication number: CN114071926B
Application number: CN202111426373.1A
Authority: CN
Inventors: 赵鹏; 苏健生; 郭养金
Original assignee: Shenzhen Tianji Electronic Technology Co ltd
Current assignee: Shenzhen Tianji Electronic Technology Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-07-08
Anticipated expiration: 2041-11-27
Also published as: CN114071926A

Abstract

The invention relates to the technical field of electric power modules, in particular to an electric power module mounting structure convenient to clamp and not prone to shaking, which comprises a module box and an electric power module mounted inside the module box, wherein heat dissipation windows are formed in two side walls of the upper side inside the module box, a dust screen is mounted in each heat dissipation window, two heat dissipation windows are symmetrically formed in the rear end face of the module box, a top block is welded and fixed between the heat dissipation windows on the rear end face, the top block is located inside the module box, and supporting rods are symmetrically welded and fixed to two sides of the top block.

Description

Electric power module mounting structure convenient to joint is difficult for rocking

Technical Field

The invention relates to the technical field of electric power modules, in particular to an electric power module mounting structure which is convenient to clamp and is not easy to shake.

Background

The wind driven generator is a new energy power generation device, an electric power module is arranged in a module box in the wind driven generator, the electric power module in the prior art is fixedly arranged in the module box through screws, the wind driven generator can generate larger vibration in the actual operation process, the fixing screws on the electric power module can be loosened after a long time, and further cause the unstable phenomenon of rocking of electric power module installation, moreover because the module case is generally higher and the space inside the module case is narrower and the electric power module is heavier, make the electric power module fix in the module case through the screw and make its installation and dismantlement very inconvenient, in addition can produce very much heat after the electric power module works for a long time, the heat dissipation port arranged on the electric power module can hardly dissipate heat in time to influence the work of the electric power module.

Therefore, we propose an electric power module mounting structure which is convenient for clamping and is not easy to shake so as to solve the above disadvantages.

Disclosure of Invention

The invention aims to provide an electric power module mounting structure which is convenient to clamp and is not easy to shake so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an electric power module mounting structure convenient for clamping and difficult to shake comprises a module box and an electric power module mounted in the module box, wherein heat dissipation windows are formed in two side walls of the upper side of the interior of the module box, a dust screen is mounted in each heat dissipation window, two heat dissipation windows are symmetrically formed in the rear end face of the module box, a top block is welded and fixed between the heat dissipation windows on the rear end face, the top block is positioned in the module box, supporting rods are symmetrically welded and fixed on two sides of the top block, supporting blocks are symmetrically welded and fixed on two sides of the interior of the module box, the supporting blocks are positioned at the lower end of the heat dissipation windows, limiting holes are formed in the supporting blocks, two through holes are symmetrically formed in the upper top end of the module box, the through holes are aligned with the centers of the limiting holes in the vertical direction, the electric power module is mounted at the upper end of the supporting blocks, and two heat dissipation ports are formed in the rear end face of the electric power module, the electric power module is characterized in that a fixing hole is formed in the rear end face of the electric power module between the heat dissipation ports, mounting grooves are symmetrically formed in two sides of the electric power module, connecting holes are symmetrically formed in two sides of each mounting groove, the lower end of each mounting groove is provided with a matching groove, the upper end of each matching groove is provided with an insertion groove, a limiting rod is fixedly welded on one side of each matching groove, a plurality of heat dissipation hole forming devices are mounted in the mounting grooves, and an electric power module clamping and fixing device is mounted in the module box.

Preferably, the plurality of heat dissipation hole forming devices comprise a limiting plate, a movable plate and a baffle plate, the limiting plate is inserted in the mounting groove, the upper end of the limiting plate is inserted in the insertion groove, the rear end of the limiting plate is welded and fixed with a convex block, a rod hole is formed in the convex block, a limiting rod is inserted in the rod hole, a limiting spring is sleeved on the limiting rod, the lower end of the limiting plate is inserted in the matching groove, and the lower end face of the limiting plate is flush with the lower end face of the matching groove in the non-working state.

Preferably, the movable plate is inserted in the mounting groove and located on two sides of the limiting plate, a connecting rod is welded and fixed at the rear end of the movable plate, the connecting rod is inserted in the connecting hole and connected with a connecting spring in a sleeved mode, the movable plate is provided with a through groove, and the front end face of the movable plate is in contact with the limiting plate in a non-working state to seal the mounting groove.

Preferably, the baffle is also provided with a through groove, the baffle is welded and fixed on two sides of the mounting groove and is positioned outside the movable plate, the through groove on the movable plate and the through groove on the mounting groove are in a dislocation state in a non-working state, and the through groove on the movable plate is positioned in the baffle and cannot be exposed, so that the mounting groove is in a closed state.

Preferably, the electric power module clamping and fixing device comprises a push plate, a locking block, a pull rod and an insertion rod, the push plate is located inside the module box, a locking block groove is formed in the middle of the push plate, and an extending groove is formed in the front end of the locking block groove.

Preferably, the bilateral symmetry welded fastening in locking piece groove has the guide bar, the guide spring has been cup jointed on the guide bar, install the locking piece in the locking piece groove, the guiding hole has been seted up to the both ends symmetry of locking piece, the grafting has the guide bar in the guiding hole, and the width of locking piece front end equals with the width that stretches out the groove, and the preceding terminal surface of locking piece and the port parallel and level that stretches out the groove under unoperated state.

Preferably, the two ends of the push plate are symmetrically and integrally formed to be provided with push posts, the push posts are provided with support holes, the support holes are connected with support rods in an inserted mode, the support rods are sleeved with ejection springs, the ejection springs are located at the rear ends of the push posts, and the upper surfaces of the push plate and the upper surface of the electric power module are flush in the working state.

Preferably, the pull rod is located at the upper end of the outside of the module box, the two ends of the pull rod are respectively welded and fixed with the plug-in connection rod, the plug-in connection rod is plugged in the through hole, the plug-in connection rod is sleeved with the return spring, the return spring is located at the outside of the module box, the upper end of the return spring is welded and fixed on the end face of the pull rod, and the lower end of the return spring is welded and fixed on the upper top face of the module box.

Preferably, the lower end of the insertion rod is fixedly welded with a conical push block, the conical push block is located inside the module box, the lower end of the conical push block is in contact with the upper surface of the push column in a non-working state, the return spring is in a stretching state at the moment, and the conical push block is inserted between the moving plates in a working state.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. the traditional screw fixing mode is changed, the electric power module can be quickly installed and fixed through the matching of the limiting plate and the limiting hole and the matching of the fixing hole and the locking block, and the safe use of the electric power module is ensured without the phenomenon that the electric power module shakes in daily work;

2. when the electric power module needs to be disassembled, the electric power module can be unlocked only by pulling the pull rod upwards to enable the conical push block to withdraw from between the moving plates, and then the electric power module can be pulled out of the module box and can be pulled out of the module box easily under the action of the ejection spring, so that time and labor are saved;

3. in addition, after the electric power module is installed, the moving plate moves back and forth under the action of the conical push block, a plurality of radiating holes can be formed in the two sides of the electric power module to ensure the heat dissipation of the electric power module in work, and because the two sides of the electric power module are attached to the inner side wall of the module box, no dust enters the inside of the electric power module under the action of the dustproof net, and after the electric power module is disassembled, the automatic closing radiating holes of the moving plate are closed to ensure the integrity of the appearance of the electric power module, so that the electric power module is convenient to transport and store.

Drawings

FIG. 1 is an exploded schematic view of a module case and an electrical power module;

FIG. 2 is an exploded schematic view of an electrical power module assembly;

FIG. 3 is a schematic view of a half-section of a modular tank;

FIG. 4 is a schematic diagram of the structure of an electrical power module;

FIG. 5 is a schematic structural view of a push plate;

FIG. 6 is a schematic structural diagram of a limiting plate;

fig. 7 is a schematic structural diagram of the pull rod and the conical push block.

In the figure: 1. a module case; 11. a dust screen; 12. a support block; 121. a limiting hole; 13. a top block; 14. a support bar; 141. ejecting a spring; 15. a through hole; 2. an electric power module; 21. mounting grooves; 211. connecting holes; 212. a mating groove; 22. inserting grooves; 23. a limiting rod; 231. a limiting spring; 24. a fixing hole; 3. pushing the plate; 31. a lock block slot; 311. a guide bar; 312. a guide spring; 32. extending out of the groove; 33. pushing the column; 331. a support hole; 4. a limiting plate; 41. a bump; 5. moving the plate; 51. a connecting rod; 52. a connecting spring; 6. a baffle plate; 7. a locking block; 8. a pull rod; 9. a plug rod; 91. a conical push block; 92. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution:

an electric power module mounting structure convenient for clamping and not easy to shake comprises a module case 1 and an electric power module 2 mounted inside the module case 1, wherein two side walls on the upper side inside the module case 1 are provided with heat dissipation windows, a dustproof net 11 is mounted in each heat dissipation window, two heat dissipation windows are symmetrically arranged on the rear end face of the module case 1, a top block 13 is welded and fixed between the heat dissipation windows on the rear end face, the top block 13 is positioned inside the module case 1, supporting rods 14 are symmetrically welded and fixed on two sides of the top block 13, supporting blocks 12 are symmetrically welded and fixed on two sides inside the module case 1, the supporting blocks 12 are positioned at the lower ends of the heat dissipation windows, limiting holes 121 are formed in the supporting blocks 12, two through holes 15 are symmetrically formed in the upper top end of the module case 1, the through holes 15 are aligned with the centers of the limiting holes 121 in the upper and lower directions, and the electric power module 2 is mounted at the upper ends of the supporting blocks 12, and two heat dissipation ports are arranged on the rear end face of the electric power module 2, a fixing hole 24 is arranged on the rear end face of the electric power module 2 between the heat dissipation ports, mounting grooves 21 are symmetrically arranged on both sides of the electric power module 2, connecting holes 211 are symmetrically arranged on both sides of the mounting groove 21, an inserting groove 22 is arranged on the upper end of a matching groove 212 arranged on the lower end of the mounting groove 21, a limiting rod 23 is fixedly welded on one side of the matching groove 212, a plurality of heat dissipation hole forming devices are mounted in the mounting groove 21 and comprise a limiting plate 4, a moving plate 5 and a baffle 6, the limiting plate 4 is inserted in the mounting groove 21, the upper end of the limiting plate is inserted in the inserting groove 22, a lug 41 is fixedly welded on the rear end of the limiting plate 4, a rod hole is arranged on the lug 41, the limiting rod 23 is inserted in the rod hole, a limiting spring 231 is sleeved on the limiting rod 23, the lower end of the limiting plate 4 is inserted in the matching groove 212, and the lower end face of the limiting plate 4 is flush with the lower end face of the matching groove 212 in a non-working state, the limiting spring 231 is located at the lower end of the protruding block 41, two ends of the limiting spring 231 are respectively welded and fixed to the lower end of the protruding block 41 and the inner lower end face of the electric power module 2, and the lower end of the limiting plate 4 is inserted into the limiting hole 121 in the working state.

The movable plate 5 is inserted in the mounting groove 21 and positioned at two sides of the limit plate 4, the rear end of the movable plate 5 is fixedly welded with a connecting rod 51, the connecting rod 51 is inserted in the connecting hole 211, the connecting rod 51 is sleeved with a connecting spring 52, the movable plate 5 is provided with a through groove, the front end surface of the movable plate 5 is contacted with the limit plate 4 to seal the mounting groove 21 in a non-working state, the baffle 6 is also provided with a through groove, the baffle 6 is fixedly welded at two sides of the mounting groove 21 and positioned at the outer side of the movable plate 5, the through groove on the movable plate 5 and the through groove on the mounting groove 21 are in a dislocation state in the non-working state, the through groove on the movable plate 5 is positioned in the baffle 6 and cannot be exposed, so that the mounting groove 21 is in a closed state, the through grooves on the movable plate 5 and the baffle 6 are aligned in the working state, and the movable plate 5 and the limit plate 4 are separated to form a radiating hole, and the through-grooves also form heat dissipation holes so that the inside of the electric power module 2 communicates with the external environment to facilitate heat dissipation inside the electric power module 2.

An electric power module clamping and fixing device is installed in the module box 1 and comprises a push plate 3, a locking block 7, a pull rod 8 and an inserting rod 9, the push plate 3 is located in the module box 1, a locking block groove 31 is formed in the middle of the push plate 3, an extending groove 32 is formed in the front end of the locking block groove 31, guide rods 311 are symmetrically welded and fixed on two sides of the locking block groove 31, guide springs 312 are sleeved on the guide rods 311, the locking block 7 is installed in the locking block groove 31, guide holes are symmetrically formed in two ends of the locking block 7, the guide rods 311 are inserted in the guide holes, the width of the front end of the locking block 7 is equal to the width of the extending groove 32, the front end face of the locking block 7 is flush with ports extending out of the groove 32 in a non-working state, two ends of each guide spring 312 are respectively welded and fixed on the end face of the locking block 7 and the end face of the locking block groove 31, and the guide springs 312 are in a compression state in a working state, the locking piece 7 protrudes out of the slot 32 and is inserted into the fixing hole 24.

The two ends of the push plate 3 are symmetrically and integrally formed with push posts 33, support holes 331 are formed in the push posts 33, support rods 14 are inserted in the support holes 331, ejection springs 141 are sleeved on the support rods 14, the ejection springs 141 are located at the rear ends of the push posts 33, the upper surface of the push plate 3 is flush with the upper surface of the electric power module 2 in a working state, the ejection springs 141 are in a compression state in the working state, and the two ends of the ejection springs 141 are welded and fixed to the rear end face of the module box 1 and the rear end face of the push posts 33 respectively.

The pull rod 8 is located at the upper end of the outside of the module box 1, the two ends of the pull rod 8 are respectively fixedly welded with the plug-in rods 9, the plug-in rods 9 are plugged in the through holes 15, the plug-in rods 9 are sleeved with the reset springs 92, the reset springs 92 are located at the outside of the module box 1, the upper ends of the reset springs 92 are fixedly welded on the end faces of the pull rod 8, the lower ends of the reset springs are fixedly welded on the upper top face of the module box 1, the lower ends of the plug-in rods 9 are fixedly welded with the conical push blocks 91, the conical push blocks 91 are located inside the module box 1, the lower ends of the conical push blocks 91 are in contact with the upper surfaces of the push columns 33 in the non-working state, the reset springs 92 are in the stretching state at the moment, the conical push blocks 91 are plugged between the moving plates 5 in the working state, the conical push blocks 91 are in contact with the upper end faces of the limiting plates 4, and the diameter of the pull rod 8 is larger than the diameter of the plug-in rods 9.

The working principle is as follows: when the electric power module 2 is installed, the electric power module 2 is placed on the supporting block 12, then the supporting block is pushed towards the inside of the module box 1 to enable the limiting plate 4 to reach the position of the limiting hole 121, the rear end face of the electric power module 2 is in contact with the push column 33, the ejection spring 141 is in a compressed state, the electric power module 2 reaches the installation position, the locking block 7 is in contact with the ejection block 13 in the inward movement process of the electric power module 2, the locking block 7 protrudes out of the groove 32 under the action of the ejection block 13, then the locking block 7 is also inserted into the fixing hole 24 to achieve first-step fixing when the electric power module 2 reaches the working position, then the conical pushing block 91 is located at the upper end of the limiting plate 4 and the return spring 92 is in a stretched state, so that the conical pushing block 91 moves downwards under the action of the self gravity and the return spring 92 to be inserted between the moving plates 5 and pushes the limiting plate 4 downwards to enable the lower end of the limiting plate 4 to be inserted into the limiting plate 4 When the power module 2 is connected to the limiting hole 121, the electric power module 2 is completely fixed at the moment of realizing the fixation of the second step, the conical push block 91 is inserted between the moving plates 5, so that the moving plates 5 move backwards to be separated from the limiting plates 4, meanwhile, the through grooves on the baffle plates 6 are aligned with the through grooves on the moving plates 5, so that a plurality of radiating holes are formed at two sides of the electric power module 2, the radiating of the electric power module 2 is facilitated, and because the side surfaces of the conical push block 91 are attached to the side walls of the module box 1, no dust enters the inside of the electric power module 2 under the action of the dust screen 11, the conical push block 91 is conveniently inserted between the moving plates 5 due to the arc surfaces arranged on the moving plates 5, when the electric power module 2 needs to be disassembled, the pull rod 8 is pulled upwards to enable the conical push block 91 to exit from the moving plates 5, so that the limiting plate 4 exits from the limiting hole 121 under the action of the limiting spring 231, at this time, the moving plate 5 is tightly attached to the limiting plate 4 again under the action of the connecting spring 52 to seal the mounting groove 21, the through groove in the baffle 6 and the through groove in the moving plate 5 are dislocated again, at this time, the electric power module 2 can be pulled out, the electric power module 2 can be easily pulled out under the action of the ejection spring 141, and the push column 33 is clamped at the lower end of the conical push block 91 again to prevent the conical push block 91 from moving downwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric power module mounting structure convenient to joint is difficult for rocking, includes module case and installs the electric power module in module case inside, its characterized in that: the module box is characterized in that two side walls on the upper side of the interior of the module box are provided with heat dissipation windows, a dust screen is installed in each heat dissipation window, two heat dissipation windows are symmetrically arranged on the rear end face of the module box, a top block is welded and fixed between the heat dissipation windows on the rear end face, the top block is positioned in the module box, supporting rods are symmetrically welded and fixed on two sides of the top block, supporting blocks are symmetrically welded and fixed on two sides of the interior of the module box, the supporting blocks are positioned at the lower ends of the heat dissipation windows and provided with limiting holes, the upper top end of the module box is symmetrically provided with two through holes, the through holes are aligned with the centers of the limiting holes in the vertical direction, the electric power module is installed at the upper end of the supporting blocks, two heat dissipation ports are arranged on the rear end face of the electric power module, a fixing hole is arranged on the rear end face of the electric power module between the heat dissipation ports, and installation grooves are symmetrically arranged on two sides of the electric power module, the two sides of the mounting groove are symmetrically provided with connecting holes, the lower end of the mounting groove is provided with a matching groove, the upper end of the matching groove is provided with an inserting groove, one side of the matching groove is fixedly welded with a limiting rod, a plurality of heat dissipation hole forming devices are mounted in the mounting groove and comprise a limiting plate, a movable plate and a baffle plate, the limiting plate is inserted in the mounting groove, the upper end of the limiting plate is inserted in the inserting groove, the rear end of the limiting plate is fixedly welded with a lug, the lug is provided with a rod hole, the limiting rod is inserted in the rod hole, a limiting spring is sleeved on the limiting rod, the lower end of the limiting plate is inserted in the matching groove, the lower end face of the limiting plate is flush with the lower end face of the matching groove in a non-working state, the movable plate is inserted in the mounting groove and positioned at two sides of the limiting plate, and the rear end of the movable plate is fixedly welded with a connecting rod, the connecting rod is inserted in the connecting hole and sleeved with a connecting spring, the moving plate is provided with a through groove, the front end face of the moving plate is contacted with a limiting plate to seal the mounting groove in a non-working state, the module box is internally provided with an electric power module clamping and fixing device which comprises a push plate, a locking block, a pull rod and an inserting rod, the push plate is positioned in the module box, the middle position of the push plate is provided with the locking block groove, the front end of the locking block groove is provided with an extending groove, the pull rod is positioned at the upper end of the outer part of the module box, the two ends of the pull rod are respectively welded and fixed with the inserting rod, the inserting rod is inserted in the through hole and sleeved with a return spring, the return spring is positioned at the outer part of the module box, the upper end of the return spring is welded and fixed on the end face of the pull rod, and the lower end of the return spring is welded and fixed on the upper top face of the module box, the lower end of the insertion rod is fixedly welded with a conical push block, the conical push block is located in the module box, the lower end of the conical push block is in contact with the upper surface of the push column in a non-working state, the reset spring is in a stretching state at the moment, and the conical push block is inserted between the moving plates in a working state.

2. The electrical power module mounting structure for facilitating a snap-in connection that is not prone to rattle as set forth in claim 1, wherein: the baffle is also provided with through grooves, the baffle is welded and fixed on two sides of the mounting groove and is positioned on the outer side of the movable plate, the through grooves on the movable plate and the through grooves on the mounting groove are in a dislocation state in a non-working state, and the through grooves on the movable plate are positioned in the baffle and cannot be exposed, so that the mounting groove is in a closed state.

3. The electrical power module mounting structure for facilitating a snap-in connection that is not prone to rattle as set forth in claim 1, wherein: the bilateral symmetry welded fastening in locking piece groove has the guide bar, the direction spring has been cup jointed on the guide bar, install the locking piece in the locking piece groove, the guiding hole has been seted up to the both ends symmetry of locking piece, the guide bar has been pegged graft in the guiding hole, and the width of locking piece front end equals with the width that stretches out the groove, and the preceding terminal surface of locking piece under non-operating condition and the port parallel and level that stretches out the groove.

4. The electrical power module mounting structure facilitating clamping with less tendency to wobble as claimed in claim 1, wherein: the push plate is characterized in that push posts are symmetrically and integrally formed at two ends of the push plate, support holes are formed in the push posts, support rods are inserted in the support holes, ejection springs are sleeved on the support rods and are located at the rear ends of the push posts, and the upper surface of the push plate is flush with the upper surface of the electric power module in a working state.