CN213341990U

CN213341990U - Frequency converter protection device for vertical elevator door machine

Info

Publication number: CN213341990U
Application number: CN202022517739.3U
Authority: CN
Inventors: 李树山
Original assignee: Anhui Henyo Automation Instrument Co ltd
Current assignee: Anhui Henyo Automation Instrument Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-01
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a perpendicular lift-cabin door machine converter protection device, including the protection device casing, the lower extreme fixed mounting of protection device casing has the bottom plate, the opposite side fixed mounting of protection device casing has the bar slot, it has the collection dirt otter board to peg graft in the inside of bar slot, the fixed slot that is provided with in one side of protection device casing upper end, it has axial-flow type heat dissipation fan pull fixed plate to peg graft in the inside of slot, the upper end fixed mounting of bottom plate has four support columns, the upper end fixed mounting of support column has the fly leaf, the equal fixed mounting in both sides of fly leaf has the fixed plate, the fixed slot that is provided with in both sides of fixed plate front end, the fixed notch board that is provided with in intermediate. The utility model discloses a fly leaf is adjusted to the length of converter, pegs graft through the fly leaf and makes the fixed plate fixed stable in the fixed plate, and installs inside heat dissipation, and dustproof effectual.

Description

Frequency converter protection device for vertical elevator door machine

Technical Field

The utility model relates to a converter accessory equipment technical field specifically is a perpendicular lift-cabin door machine converter protection device.

Background

With the rapid development of social economy, the frequency converter is a power control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor; the frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is widely applied, but the working efficiency of the existing frequency converter, particularly the frequency converter arranged on an elevator motor, can be improved due to the high protection performance of the protection device.

However, the existing frequency converter protection device for the vertical elevator door machine is complex in structure, inconvenient to adjust when fixing frequency converters of different sizes, and poor in internal heat dissipation and dust resistance; therefore, the existing requirements are not met, and the frequency converter protection device for the vertical elevator door machine is provided for the frequency converter protection device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a perpendicular lift-cabin door machine converter protection device to the structure of proposing is complicated among the solution above-mentioned background art, adjusts convenience inadequately when fixed to the converter of equidimension not, and installs inside thermal diffusivity and the poor scheduling problem of dustproofness.

In order to achieve the above object, the utility model provides a following technical scheme: a frequency converter protection device for a vertical elevator door machine comprises a protection device shell, wherein a bottom plate is fixedly arranged at the lower end of the protection device shell, an air grid is fixedly arranged at one side of the protection device shell, a strip-shaped slot is fixedly arranged at the other side of the protection device shell, a dust collecting screen plate is inserted in the strip-shaped slot, a slot is fixedly arranged at one side of the upper end of the protection device shell, an axial-flow type heat dissipation fan drawing and pulling fixing plate is inserted in the slot, four support columns are fixedly arranged at the upper end of the bottom plate, a movable plate is fixedly arranged at the upper end of each support column, a frequency converter is fixedly arranged at the upper end of the movable plate, fixing plates are fixedly arranged at two sides of the movable plate, fixing grooves are fixedly arranged at two sides of the front end of the, the middle position of the front end of the fixing plate is fixedly provided with a concave plate, and a dust screen is fixedly arranged in the concave plate.

Preferably, the inside of fly leaf is fixed and is provided with the pull board, the both sides of fly leaf all are fixed and are provided with two joint pieces, joint piece and fixed slot fixed connection.

Preferably, the lower fixed surface of fly leaf is provided with the spout, fly leaf and support column sliding connection, the upper surface of fly leaf is fixed and is provided with insulating protection pad.

Preferably, the upper end and the lower end of the frequency converter are both fixedly provided with movable plates.

Preferably, both sides of the protection device shell are of an open structure.

Preferably, both sides of the bottom plate extend to the outside of both sides of the shell of the protection device, and the upper surfaces of both sides of the bottom plate are fixedly provided with two fixing holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adjusts the length of the movable plate through the sliding connection of the sliding groove at the lower end of the sliding plate and the sliding groove at the inner part of the movable plate and the supporting column, the clamping blocks at the two sides of the movable plate are inserted into the fixed groove at the inner part of the fixed plate, the movable plate is fixed and stable through the reset spring at the inner part of the fixed groove, and the frequency converter can be protected through the insulating protection pad at the upper surface of the movable plate and the dust screen on the concave plate at the inner part of the fixed plate;

2. the utility model discloses a slot of protection device casing upper end one side and the inside axial-flow type heat dissipation fan pull fixed plate of pegging graft of slot can carry out the heat dissipation to the inside converter of protection device casing and handle, and the dust collecting net board through the inside grafting of bar slot and the bar slot of protection device casing opposite side can protect and clean the inside dust of device, can conveniently carry out the dismouting to protection device casing and bottom plate whole through the inside fixed orifices of bottom plate both sides.

Drawings

Fig. 1 is a schematic view of the internal structure of the frequency converter protection device for a vertical elevator door machine of the present invention;

fig. 2 is a top view of the fixing plate of the present invention;

fig. 3 is a schematic structural view of the movable plate of the present invention.

In the figure: 1. a protective device housing; 2. a wind grid; 3. the axial flow type heat radiation fan drawing fixing plate; 4. a slot; 5. a movable plate; 6. a frequency converter; 7. a fixing plate; 8. a strip-shaped slot; 9. a dust collecting screen plate; 10. a base plate; 11. a support pillar; 12. a fixing hole; 13. fixing grooves; 14. a return spring; 15. a concave plate; 16. a dust screen; 17. a drawing plate; 18. a clamping block; 19. an insulating protection pad.

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.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a frequency converter protection device for a vertical elevator door machine comprises a protection device shell 1, wherein a bottom plate 10 is fixedly installed at the lower end of the protection device shell 1, an air grid 2 is fixedly installed at one side of the protection device shell 1, a strip-shaped slot 8 is fixedly installed at the other side of the protection device shell 1, a dust collecting screen plate 9 is inserted into the strip-shaped slot 8, a slot 4 is fixedly arranged at one side of the upper end of the protection device shell 1, an axial flow type heat dissipation fan drawing fixed plate 3 is inserted into the slot 4, four support columns 11 are fixedly installed at the upper end of the bottom plate 10, a movable plate 5 is fixedly installed at the upper end of each support column 11, a frequency converter 6 is fixedly arranged at the upper end of each movable plate 5, fixed plates 7 are fixedly installed at two sides of each movable plate 5, fixed grooves 13 are fixedly arranged at two sides of, a concave plate 15 is fixedly arranged at the middle position of the front end of the fixed plate 7, and a dust screen 16 is fixedly arranged inside the concave plate 15.

Further, the fixed pull board 17 that is provided with in inside of fly leaf 5, the both sides of fly leaf 5 all are fixed and are provided with two joint pieces 18, joint piece 18 and fixed slot 13 fixed connection, make things convenient for the flexible and fixed stability of fly leaf 5.

Further, the lower fixed surface of movable plate 5 is provided with the spout, and movable plate 5 and support column 11 sliding connection, the upper fixed surface of movable plate 5 is provided with insulating protection pad 19, conveniently protects converter 6.

Further, the upper and lower both ends of converter 6 are all fixed mounting have fly leaf 5, make converter 6 fixed stable.

Further, both sides of the protection device shell 1 are of an open structure, so that the frequency converter 6 is convenient to dissipate heat and prevent dust.

Further, both sides of the bottom plate 10 extend to the outside of both sides of the protection device shell 1, and the upper surfaces of both sides of the bottom plate 10 are fixedly provided with two fixing holes 12, so that the device is conveniently fixed integrally.

The working principle is as follows: when the device is used, the length of the movable plate 5 is adjusted through the sliding connection between the sliding groove at the lower end of the movable plate 5 and the supporting column 11, the clamping blocks 18 at the two sides of the movable plate 5 are inserted into the fixing grooves 13 in the fixing plate 7, the movable plate 5 is fixed stably through the reset springs 14 in the fixing grooves 13, the frequency converter 6 can be protected through the insulating protective pad 19 on the upper surface of the movable plate 5 and the dust screen 16 on the concave plate 15 in the fixing plate 7, the frequency converter 6 in the protection device shell 1 can be subjected to heat dissipation treatment through the slot 4 at one side of the upper end of the protection device shell 1 and the axial-flow type heat dissipation fan pulling fixing plate 3 inserted into the slot 4, the dust in the device can be protected and cleaned through the strip-shaped slot 8 at the other side of the protection device shell 1 and the dust collecting screen plate 9 inserted into the strip-shaped slot 8, can conveniently carry out the dismouting to protection device casing 1 and bottom plate 10 are whole through the inside fixed orifices 12 in bottom plate 10 both sides, the device not only can adjust fixedly according to the size of converter 6, has also improved the dustproof effect of the heat dissipation to converter 6 outside, and the whole job stabilization of the device, the maintenance is conveniently dismantled.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a vertical elevator door machine converter protection device, includes protection device casing (1), its characterized in that: a bottom plate (10) is fixedly mounted at the lower end of the protection device shell (1), a wind grid (2) is fixedly mounted at one side of the protection device shell (1), a bar-shaped slot (8) is fixedly mounted at the other side of the protection device shell (1), a dust collecting screen plate (9) is inserted into the bar-shaped slot (8), a slot (4) is fixedly arranged at one side of the upper end of the protection device shell (1), an axial-flow type heat dissipation fan drawing fixing plate (3) is inserted into the slot (4), four supporting columns (11) are fixedly mounted at the upper end of the bottom plate (10), a movable plate (5) is fixedly mounted at the upper end of each supporting column (11), a frequency converter (6) is fixedly arranged at the upper end of each movable plate (5), fixing plates (7) are fixedly mounted at both sides of each movable plate (5), fixing grooves (13) are fixedly arranged at both, the upper end and the lower end of the inside of the fixing groove (13) are fixedly provided with a return spring (14), the middle position of the front end of the fixing plate (7) is fixedly provided with a concave plate (15), and the inside of the concave plate (15) is fixedly provided with a dust screen (16).

2. The frequency converter protection device for vertical elevator door machines of claim 1, wherein: the inside of fly leaf (5) is fixed and is provided with pull board (17), the both sides of fly leaf (5) all are fixed and are provided with two joint pieces (18), joint piece (18) all with fixed slot (13) fixed connection.

3. The frequency converter protection device for vertical elevator door machines of claim 1, wherein: the lower fixed surface of fly leaf (5) is provided with the spout, fly leaf (5) and support column (11) sliding connection, the upper surface of fly leaf (5) is fixed and is provided with insulating protection pad (19).

4. The frequency converter protection device for vertical elevator door machines of claim 1, wherein: and movable plates (5) are fixedly mounted at the upper end and the lower end of the frequency converter (6).

5. The frequency converter protection device for vertical elevator door machines of claim 1, wherein: both sides of the protection device shell (1) are of an opening structure.

6. The frequency converter protection device for vertical elevator door machines of claim 1, wherein: the two sides of the bottom plate (10) extend out of the two sides of the protection device shell (1), and two fixing holes (12) are fixedly formed in the upper surfaces of the two sides of the bottom plate (10).