CN210075099U

CN210075099U - Inverter power supply

Info

Publication number: CN210075099U
Application number: CN201921053673.8U
Authority: CN
Inventors: 莫运坤
Original assignee: Shenzhen Yulong Technology Co Ltd
Current assignee: Shenzhen Yulong Technology Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-02-14
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses an inverter power supply, which comprises a device body, wherein the side surface of the device body is provided with a heat dissipation through groove, the side walls of the upper end and the lower end of the heat dissipation through groove are both of cavity structures, an expansion airbag is arranged in the cavity structure at the upper end of the heat dissipation through groove, the expansion airbag is positioned in a movable bin formed among a partition plate, a fixed plate and a baffle plate, the two ends of the expansion airbag are respectively abutted with a movable sliding plate, the movable sliding plate at one side close to the baffle plate is fixedly connected with a push shaft, one end of the push shaft passing through the center hole of the baffle plate is provided with a contact movably abutted with a matching contact inside a slot, the contact is electrically connected with a driving motor through the matching contact, the driving motor shaft is connected with the center shaft of an irregular gear, the irregular gear is meshed with a rack, and the steel wire rope is fixedly connected with the radiating fins.

Description

Inverter power supply

Technical Field

The utility model relates to a power supply unit technical field specifically is an inverter power supply.

Background

The inverter converts direct current electric energy into alternating current, consists of an inverter bridge, control logic and a filter circuit, is widely applied to the fields of air conditioners, home theaters, electric grinding wheels, electric tools, sewing machines, DVDs, VCDs, computers, televisions, washing machines, smoke exhaust ventilators, refrigerators, video recorders, massagers, fans, lighting and the like, but when the existing inverter power supply dissipates heat, either natural heat dissipation is simply carried out by utilizing a heat dissipation air outlet or motor-driven heat dissipation is carried out by utilizing a heat dissipation fan, the two heat dissipation modes are fixed heat dissipation modes, heat dissipation cannot be selectively carried out according to actual heat inside the inverter power supply, and the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inverter power supply to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an inverter power supply comprises a device body, a heat dissipation through groove is arranged on the side surface of the device body, the side walls of the upper end and the lower end of the heat dissipation through groove are of a cavity structure, an expansion air bag is arranged in a cavity structure at the upper end of the heat dissipation through groove and is positioned in a movable bin formed among the partition board, the fixed board and the baffle board, and the two ends of the expansion air bag are respectively connected with a movable sliding plate in an abutting mode, a push shaft is fixedly connected to the center of one end face, away from the expansion air bag, of the movable sliding plate on the side close to the baffle plate, a contact is arranged at one end, penetrating through the center hole of the baffle plate, of the push shaft, the contact is movably connected with a matching contact in the slot in an abutting mode, the contact and the matching contact are electrically connected with a driving motor, a shaft of the driving motor is connected with a central shaft of the irregular gear, the irregular gear is meshed with the rack plate, a steel wire rope is fixedly installed on the rack plate, the steel wire rope penetrates through the plurality of radiating fins to be connected with the reset spring, and the steel wire rope is fixedly connected with the plurality of radiating fins.

As an optimal technical scheme, install the elasticity seat in the cavity structure of logical groove lower extreme dispels the heat, reset spring sets up in the inner chamber of elasticity seat, is connected through the push pedal between its and the wire rope.

As an optimized technical scheme, the heat conduction block is installed between the cavity structure of the upper end of the heat dissipation through groove and the inner cavity of the device body, and the two end surfaces of the heat conduction block are respectively contacted with the air flow in the cavities of the expansion air bag and the device body.

As an optimized technical scheme of the utility model, the distance between the removal slide that is close to baffle one side and the baffle equals the distance between contact and the cooperation contact.

As an optimized technical scheme of the utility model, be close to the removal slide of deciding board one side and decide and be provided with compression spring between the board.

As an optimal technical scheme, the middle part of a plurality of fin is connected through the pivot rotation with the both sides wall that the heat dissipation led to the groove between.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an inverter power supply, through the inflation gasbag that sets up, push away axle, contact, cooperation contact, driving motor, irregular gear, rack board, wire rope, reset spring, a plurality of fin, under the condition that the temperature is lower in the inverter power supply casing, can dispel the heat naturally through the heat dissipation through groove, help the energy saving; under the condition of higher temperature in the power supply shell of the inverter, the heat conducting block transfers heat to the expansion air bag, the expansion air bag is subjected to thermal expansion, the movable sliding plate is pushed to move towards one side of the baffle plate, so that the contact on the pushing shaft is contacted with the matched contact, the driving motor is started to drive the irregular gear to rotate, when the edge of the irregular gear provided with the rack is contacted with the rack plate, the rack plate pulls the steel wire rope towards the direction of the cavity structure at the upper end of the heat radiating through groove, so that a plurality of radiating fins are outwards flaring in the heat radiating through groove, when the notch of the irregular gear is aligned with the rack plate, the rack plate moves towards the direction of the cavity structure at the lower end of the heat radiating through groove under the elastic action of the reset spring, so that the plurality of radiating fins are downwards flaring in the heat radiating through groove, the exchange speed between the interior of the inverter power supply and the outside air is accelerated, and the purpose of improving the heat dissipation efficiency is achieved; to sum up, the utility model discloses change traditional dc-to-ac converter power and only can rely on fixed radiating modes such as louvre natural cooling or fan electric power heat dissipation, make it can be according to the selective natural or motor heat dissipation's that carries on of its inside actual heat mode, whole radiating effect is good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of a in FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic structural diagram of b in fig. 1 according to the present invention.

In the figure: 1. a device body; 2. a heat dissipation through groove; 3. inflating the balloon; 4. a partition plate; 5. fixing a plate; 6. a baffle plate; 7. a movable bin; 8. moving the sliding plate; 9. pushing the shaft; 10. a contact; 11. a slot; 12. a mating contact; 13. an irregular gear; 14. a rack plate; 15. a wire rope; 16. a heat sink; 17. a return spring; 18. an elastic seat; 19. pushing the plate; 20. a heat conducting block; 21. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: an inverter power supply comprises a device body 1, a heat dissipation through groove 2 is formed in the side face of the device body 1, the side walls of the upper end and the lower end of the heat dissipation through groove 2 are of cavity structures, an expansion airbag 3 is mounted in the cavity structure at the upper end of the heat dissipation through groove 2, the expansion airbag 3 is located in a movable bin 7 formed among a partition plate 4, a fixed plate 5 and a baffle plate 6, two ends of the expansion airbag 3 are respectively abutted with a movable sliding plate 8, a push shaft 9 is fixedly connected to the center of one end face, away from the expansion airbag 3, of the movable sliding plate 8 at one side close to the baffle plate 6, one end, penetrating through the center hole of the baffle plate 6, of the push shaft 9 is provided with a contact 10, the contact 10 is movably abutted to a matching contact 12 inside a slot 11, the contact 10 is electrically connected with a driving motor through the matching contact 12, the driving motor shaft, the steel wire rope 15 passes through a plurality of radiating fins 16 to be connected with a return spring 17, and the steel wire rope 15 is fixedly connected with the plurality of radiating fins 16.

Furthermore, an elastic seat 18 is installed in the cavity structure at the lower end of the heat dissipation through groove 2, and a return spring 17 is arranged in the inner cavity of the elastic seat 18 and connected with the steel wire rope 15 through a push plate 19, so that the heat dissipation through groove has a return function.

Further, a heat conducting block 20 is arranged between the cavity structure at the upper end of the heat dissipation through groove 2 and the inner cavity of the device body 1, two end faces of the heat conducting block 20 are respectively contacted with the expansion airbag 3 and airflow in the inner cavity of the device body 1, heat in the inverter power supply can be transferred to the expansion airbag 3, and corresponding reaction can be made in time.

Further, the distance between the movable sliding plate 8 close to one side of the baffle 6 and the baffle 6 is equal to the distance between the contact 10 and the matching contact 12, when the expansion air bag 3 is expanded, the movable sliding plate 8 drives the push shaft 9 and the contact 10 to infinitely press the matching contact 12, so that the butting force between the contact 10 and the matching contact 12 is too large, the problem that the contact 10 and the matching contact 12 are damaged is easily caused, and the function of protecting the contact 10 and the matching contact 12 is achieved.

Furthermore, a compression spring 21 is arranged between the movable sliding plate 8 close to the fixed plate 5 and the fixed plate 5, so that a space can be provided for the expansion of the expansion air bag 3.

Further, the middle parts of the plurality of radiating fins 16 are rotatably connected with the two side walls of the radiating through groove 2 through rotating shafts, so that the radiating fins can be flapped up and down in the radiating through groove 2 under the action of the steel wire rope 15, the rack plate 14 and the return spring 17.

Under the condition that the temperature in the inverter power supply shell is low, the heat can be naturally dissipated through the heat dissipation through groove 2, so that the energy can be saved; under the condition that the temperature in the power supply shell of the inverter is high, the heat conducting block 20 transfers heat to the expansion air bag 3, the expansion air bag 3 is expanded by heat, the movable sliding plate 8 is pushed to move towards one side of the baffle 6, so that the contact 10 on the pushing shaft 9 contacts with the matching contact 12, the driving motor is started to drive the irregular gear 13 to rotate, when the edge of the irregular gear 13 provided with the rack contacts the rack plate 14, the rack plate 14 pulls the steel wire rope 15 towards the cavity structure direction at the upper end of the heat radiating through groove 2, so that the plurality of radiating fins 16 are flaring upwards in the heat radiating through groove 2, when the gap of the irregular gear 13 is aligned with the rack plate 14, the rack plate 14 moves towards the cavity structure at the lower end of the heat radiating through groove 2 under the elastic action of the return spring 17, so that the plurality of radiating fins 16 are flaring downwards in the heat, the radiating fins 16 are enabled to be continuously excited up and down in the radiating through groove 2, the exchange speed between the inside of the inverter power supply and the outside air is accelerated, and the purpose of improving the radiating efficiency is achieved; to sum up, the utility model discloses change traditional dc-to-ac converter power and only can rely on fixed radiating modes such as louvre natural cooling or fan electric power heat dissipation, make it can be according to the selective natural or motor heat dissipation's that carries on of its inside actual heat mode, whole radiating effect is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 inverter power supply is characterized by comprising a device body (1), wherein a heat dissipation through groove (2) is formed in the side face of the device body (1), the side walls of the upper end and the lower end of the heat dissipation through groove (2) are of cavity structures, an expansion airbag (3) is installed in the cavity structure at the upper end of the heat dissipation through groove (2), the expansion airbag (3) is located in a movable bin (7) formed among a partition plate (4), a fixed plate (5) and a baffle plate (6), two ends of the expansion airbag (3) are respectively abutted to a movable sliding plate (8), one end face center, away from the expansion airbag (3), of the movable sliding plate (8) close to one side of the baffle plate (6) is fixedly connected with a push shaft (9), one end, penetrating through a center hole of the baffle plate (6), of the push shaft (9) is provided with a contact (10), the contact (10) is movably abutted to a matching contact (12) inside a slot (11), and, the driving motor shaft is connected with a central shaft of the irregular gear (13), the irregular gear (13) is meshed with the rack plate (14), a steel wire rope (15) is fixedly installed on the rack plate (14), the steel wire rope (15) penetrates through the plurality of radiating fins (16) to be connected with the return spring (17), and the steel wire rope (15) is fixedly connected with the plurality of radiating fins (16).

2. The inverter power supply according to claim 1, wherein an elastic seat (18) is installed in the cavity structure at the lower end of the heat dissipation through groove (2), and a return spring (17) is arranged in the inner cavity of the elastic seat (18) and connected with the steel wire rope (15) through a push plate (19).

3. The inverter power supply according to claim 1, wherein a heat conducting block (20) is installed between the cavity structure at the upper end of the heat dissipating through groove (2) and the inner cavity of the device body (1), and two end faces of the heat conducting block (20) are respectively contacted with the expansion airbag (3) and the air flow in the inner cavity of the device body (1).

4. An inverter power supply according to claim 1, wherein the distance between the moving slide (8) near the side of the shutter (6) and the shutter (6) is equal to the distance between the contact (10) and the mating contact (12).

5. An inverter power supply according to claim 1, wherein a compression spring (21) is provided between the movable slide plate (8) on the side close to the fixed plate (5) and the fixed plate (5).

6. The inverter power supply according to claim 1, wherein the middle portions of the plurality of heat dissipation fins (16) are rotatably connected to the two side walls of the heat dissipation through groove (2) through a rotating shaft.