CN219238936U

CN219238936U - Isolated elevator energy feedback device

Info

Publication number: CN219238936U
Application number: CN202320688208.1U
Authority: CN
Inventors: 沙龙
Original assignee: Shanghai Hanfu Power Equipment Co ltd
Current assignee: Shanghai Hanfu Power Equipment Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-23
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses an isolated elevator energy feedback device, which comprises a shell, wherein a display screen is arranged on the outer side of the shell, a cover plate is arranged at the upper end of the shell in a penetrating manner, side plates are fixedly connected to the two ends of the cover plate, a connecting shell is fixedly connected to the cover plate, a heat dissipation hole is arranged at the four ends of the connecting shell in a penetrating manner, a first limit groove is formed in the connecting shell in a penetrating manner, sound insulation cotton is correspondingly arranged in the first limit groove, a handle is fixedly connected to the upper end of the sound insulation cotton, the size of noise volume emitted from the heat dissipation hole can be reduced by arranging a heat dissipation assembly and a sound insulation assembly above the shell, noise generated when the energy feedback device works is reduced, meanwhile, the limit groove, the slide groove and the slide block are arranged to ensure the convenient disassembly and replacement functions of the sound insulation cotton, the whole device is simple in structure, and the noise generated when the energy feedback device works is low.

Description

Isolated elevator energy feedback device

Technical Field

The utility model relates to the technical field of elevators, in particular to an isolated elevator energy feedback device.

Background

The elevator is an auxiliary transportation tool in a building, takes a traction machine as power, and moves up and down with a box body, so as to be used for taking people or carrying goods in a multi-storey building. Has the characteristics of safety, reliability, comfortable riding, accurate leveling, low noise and the like. In the actual use process, the operation working conditions of the elevator with larger electricity consumption are as follows: the lift car goes up with more than 80% of load and goes down with less than 20% of load; and when the car is in light load ascending and full load descending, a large amount of mechanical kinetic energy can be generated, and the mechanical kinetic energy is converted into heat energy through a brake resistor to be consumed, so that adverse effects are brought to the machine room environment, an elevator control system and the like. The mechanical kinetic energy generated in the operation process is converted into regenerated electric energy through the energy feedback device, and the regenerated electric energy is fed back to the power grid for use by an elevator or other electrical equipment. Most of elevators are in a mode of using a frequency converter to drive a motor, and in the running process of the elevators, the elevators have two states of electric running and power generation running. The mechanical kinetic energy generated when the elevator starts up to the highest running speed is also the largest, and the elevator is gradually decelerated before reaching the destination floor, and the deceleration process is a process of releasing the mechanical kinetic energy by the elevator;

the existing elevator has the defects that the frequency converter rapidly changes the current greatly, so that the energy feedback device emits noise in the working process to influence the use of the elevator, dust can be carried by an air inlet component at the bottom of the energy feedback device to enter the device in the working process, and in the long-time working process, the dust enters the electronic element to generate a safety problem, and the electronic element is also caused to malfunction and the service life is reduced.

Disclosure of Invention

The utility model aims to provide an isolated elevator energy feedback device, which solves the problem that the use of an elevator is affected because the energy feedback device emits noise in the working process due to the fact that a frequency converter rapidly changes current greatly in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the isolated elevator energy feedback device comprises a shell, wherein a display screen is arranged on the outer side of the shell, a cover plate is arranged at the upper end of the shell in a penetrating way, two ends of the cover plate are fixedly connected with side plates, a connecting shell is fixedly connected on the cover plate, and heat dissipation holes are arranged at the four ends of the connecting shell in a penetrating way;

the inside of connecting the shell is provided with first spacing groove in the same penetration way, the inside of first spacing groove corresponds and is provided with the soundproof cotton, the upper end fixedly connected with handle of soundproof cotton.

As a further description of the above technical solution: the inside both ends fixedly connected with slider of first spacing groove, soundproof cotton's both ends are provided with the spout, slider sliding connection is in the inside of spout.

As a further description of the above technical solution: the bottom of casing runs through and is provided with the air intake, the inside of air intake is provided with the mounting groove.

As a further description of the above technical solution: and a second limiting groove is correspondingly arranged in the mounting groove.

As a further description of the above technical solution: the inside of second spacing groove corresponds and is provided with the stopper, the inboard fixedly connected with dust screen of stopper.

As a further description of the above technical solution: and the two ends of the shell are fixedly connected with mounting frames.

The utility model has the following beneficial effects:

1. compared with the prior art, the heat dissipation assembly and the sound insulation assembly are arranged above the shell, so that the noise volume emitted from the heat dissipation holes can be reduced, the noise generated during the operation of the energy feedback device is reduced, meanwhile, the limit groove, the slide groove and the slide block are arranged, the sound insulation cotton can be conveniently detached and replaced, the whole device is simple in structure, and the noise generated during the operation of the energy feedback device is low;

2. compared with the prior art, the isolation type elevator energy feedback device can send cold air into the shell through the air inlet component arranged at the bottom, and can effectively prevent external dust from entering into the shell through the dust screen, so that the damage to parts is caused.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further illustrated by the following figures and examples;

fig. 1 is a schematic diagram of the overall structure of an isolated elevator energy feedback device according to the present utility model;

fig. 2 is a schematic diagram of an insulation cotton installation of an insulation type elevator energy feedback device according to the present utility model;

fig. 3 is a schematic bottom view of an isolated elevator energy feedback device of the present utility model;

fig. 4 is a schematic structural diagram of fig. 2 a.

Legend description:

1. a housing; 2. a display screen; 3. a mounting frame; 4. a side plate; 5. a heat radiation hole; 6. a first limit groove; 7. a connection housing; 8. a cover plate; 9. soundproof cotton; 10. a handle; 11. a mounting groove; 12. the second limit groove; 13. a limiting block; 14. a dust screen; 15. an air inlet; 16. a chute; 17. a sliding block.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides an isolated elevator energy feedback device, which comprises a housin 1, the outside of casing 1 is provided with display screen 2, the effect of display screen 2 is the size of electric current in the display circuit, can clearly know the inside electric current change condition, the upper end of casing 1 runs through and is provided with apron 8, the both ends fixedly connected with curb plate 4 of apron 8, can make things convenient for the staff to take out whole apron 8 more through setting up curb plate 4, and can make things convenient for the staff to install electronic component in the inside of casing 1 after taking out apron 8, fixedly connected with coupling shell 7 on the apron 8, the four ends of coupling shell 7 run through and are provided with louvre 5, can discharge the heat that casing 1 produced through coupling shell 7 and louvre 5 of top;

the inside of the connecting shell 7 is also provided with a first limit groove 6 in a penetrating way, the inside of the first limit groove 6 is correspondingly provided with a sound insulation cotton 9, the sound insulation cotton 9 can be installed in the inside of the connecting shell through the first limit groove 6, meanwhile, the inside of the heat dissipation hole 5 is provided with an installation hole corresponding to the sound insulation cotton 9, so that the sound insulation cotton 9 can be stably installed in the heat dissipation channel, the upper end of the sound insulation cotton 9 is fixedly connected with a handle 10, and workers can conveniently take out the sound insulation cotton through the handle 10;

the two ends of the inner side of the first limit groove 6 are fixedly connected with the sliding blocks 17, the two ends of the soundproof cotton 9 are provided with the sliding grooves 16, the sliding blocks 17 are slidably connected in the sliding grooves 16, and the whole soundproof cotton 9 can be more stable when being installed and detached under the action of the sliding grooves 16 and the sliding blocks 17;

the bottom of the shell 1 is provided with the air inlet 15 in a penetrating manner, the air inlet 15 is formed in the air inlet 15, the fan is arranged at the bottom of the shell 1, air can be fed through the air inlet 15 when the fan is started, so that external cold air is fed into the shell 1 to realize air cooling circulation and heat dissipation, the second limit groove 12 is correspondingly formed in the installation groove 11, the limit block 13 is correspondingly formed in the second limit groove 12, the dust screen 14 is fixedly connected to the inner side of the limit block 13, dust entering into the shell 1 can be effectively prevented through the dust screen 14 at the bottom, so that the stability of the internal electronic components in operation is ensured, the stable installation of the dust screen 14 can be ensured under the action of the second limit groove 12 and the limit block 13, meanwhile, the second limit groove 12 and the limit block 13 can be fastened in a threaded connection manner, and the condition that the dust screen 14 cannot loose and fall off during use is ensured;

the both ends fixedly connected with mounting bracket 3 of casing 1 can install whole casing 1 in suitable position through mounting bracket 3.

Working principle: when the device is used, firstly, the mounting frames 3 at two ends of the shell 1 are used for mounting the electronic element at a proper position, the cover plate 8 above the mounting frames is taken down to enable the electronic element to be mounted in the shell 1, normal operation of the whole shell 1 is guaranteed, an energy feedback element group is fixedly connected in the shell, the energy feedback element group comprises an energy storage capacitor, the energy storage capacitor is electrically connected with a reactance, the reactance is electrically connected with an LC filter, the LC filter is electrically connected with an intelligent power module, through detecting direct-current bus voltage of an external frequency converter, the direct-current voltage of a direct-current link of the frequency converter is converted into alternating-current voltage with the same frequency and the same phase with the power grid voltage through the effect of the reactance and the LC filter, the intelligent power module is connected to an alternating-current power grid, and therefore the purpose of energy feedback power grid is achieved, meanwhile, the whole shell 1 is fast changed in current, noise is generated in the operation process of the energy feedback device, the noise generated from the radiating hole 5 can be reduced through the soundproof cotton 9 arranged in the connecting shell 7, the noise generated in the operation of the whole device is reduced, and stable operation of the whole device is guaranteed.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides an isolated elevator energy feedback device, includes casing (1), its characterized in that, the outside of casing (1) is provided with display screen (2), the upper end of casing (1) runs through and is provided with apron (8), the both ends fixedly connected with curb plate (4) of apron (8), fixedly connected with coupling shell (7) on apron (8), the four ends of coupling shell (7) run through and are provided with louvre (5);

the inside of coupling shell (7) is provided with first spacing groove (6) throughout equally, the inside of first spacing groove (6) corresponds and is provided with soundproof cotton (9), the upper end fixedly connected with handle (10) of soundproof cotton (9).

2. The isolated elevator energy feedback device according to claim 1, wherein two ends of the inner side of the first limit groove (6) are fixedly connected with sliding blocks (17), two ends of the soundproof cotton (9) are provided with sliding grooves (16), and the sliding blocks (17) are slidably connected in the sliding grooves (16).

3. The isolated elevator energy feedback device according to claim 1, wherein an air inlet (15) is formed through the bottom of the housing (1), and a mounting groove (11) is formed in the air inlet (15).

4. An isolated elevator energy feedback device according to claim 3, characterized in that the inside of the installation groove (11) is correspondingly provided with a second limit groove (12).

5. The isolated elevator energy feedback device according to claim 4, wherein a limiting block (13) is correspondingly arranged in the second limiting groove (12), and a dust screen (14) is fixedly connected to the inner side of the limiting block (13).

6. The isolated elevator energy feedback device according to claim 1, wherein the two ends of the housing (1) are fixedly connected with mounting frames (3).