CN218977164U - Explosion-proof type elevator frequency converter - Google Patents
Explosion-proof type elevator frequency converter Download PDFInfo
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- CN218977164U CN218977164U CN202223492082.5U CN202223492082U CN218977164U CN 218977164 U CN218977164 U CN 218977164U CN 202223492082 U CN202223492082 U CN 202223492082U CN 218977164 U CN218977164 U CN 218977164U
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- frequency converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
The utility model discloses an explosion-proof elevator frequency converter which comprises a frequency converter shell, wherein a circuit main board is fixedly arranged at the rear end inside the frequency converter shell. This explosion-proof elevator converter is through starting the fan, when the fan passes through the air outlet with the inside air of converter casing quick exhaust, outside air gets into the inside of converter casing through the fresh air inlet, make the inside good ventilation effect that has of converter casing, thereby improve the inside explosion-proof performance of converter casing, outside air is before getting into the inside of converter casing through the fresh air inlet, the inside filter screen of cover body can filter it dust removal, can filter dust removal to outside air like this and to the mosquito separation, avoid inside subassembly to receive the pollution to break down, the life of extension converter, it is inside dust and the mosquito in the outside air get into the converter casing through the fresh air inlet easily, lead to the inside subassembly of converter to receive the problem of pollution to break down easily.
Description
Technical Field
The utility model relates to the technical field of elevator frequency converters, in particular to an explosion-proof elevator frequency converter.
Background
The frequency converter is a common device in modern electrical equipment, the elevator frequency converter is a special instrument for elevator control, the frequency converter can enable starting acceleration and stopping acceleration of an elevator to be mild, and the acceleration in the middle process is quick, so that riding comfort is achieved, and the running stability of the elevator is improved.
According to the novel special converter of explosion-proof elevator that patent number is CN201518868876. X discloses, the novel special converter of elevator comprises a barrel body, the barrel upside is equipped with sealed lid, the barrel inboard is equipped with the second inoxidizing coating, the second inoxidizing coating inboard is equipped with first inoxidizing coating, first inoxidizing coating inboard lower extreme is equipped with the converter, the converter upside is equipped with the isolation layer, the symmetry is equipped with spring assembly between isolation layer and the converter, isolation layer upside middle part is equipped with pressure sensor, the pressure sensor upside is equipped with the fan, the fan surface evenly is equipped with the air inlet, sealed lid middle part is equipped with the gas outlet, sealed lid lower extreme right side is equipped with temperature sensor, sealed lid upside be equipped with temperature sensor for the warning light. According to the utility model, by arranging the warning lamp, a user can better find out the position where the fault happens, the rescue and maintenance speed is improved, and by arranging the isolation layer, the fire source in the box body is better isolated from air, so that the diffusion of the fire source is avoided.
However, the frequency converter special for the explosion-proof elevator still has the following problems and defects:
1. because the inside of the frequency converter shell is directly communicated with the outside air through the air inlet and the air outlet, dust and mosquitoes in the outside air easily enter the inside of the frequency converter shell through the air inlet, so that components in the frequency converter are easily polluted and have faults, and the service life of the frequency converter is influenced;
2. once the circuit components in the frequency converter shell are spontaneously ignited due to faults, the open fire cannot be extinguished in time, so that a large fire accident can be caused, and the frequency converter is not safe and reliable to use;
3. the frequency converter is generally fixed in appointed position department through the installation of multiunit bolt, and when follow-up frequency converter dismantles maintenance, it is comparatively loaded down with trivial details to disassemble multiunit bolt, and the follow-up maintenance of being inconvenient for.
Accordingly, an explosion-proof type elevator inverter is provided to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide an explosion-proof elevator frequency converter, which solves the problems that in the prior art, as the inside of a frequency converter shell is directly communicated with outside air through an air inlet and an air outlet, dust and mosquitoes in the outside air easily enter the inside of the frequency converter shell through an air inlet, so that components in the frequency converter are easily polluted and malfunction, and the service life of the frequency converter is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an explosion-proof elevator converter, includes the converter casing, the inside rear end fixed mounting of converter casing has the circuit board, the bottom fixedly connected with binding post of converter casing one side, the fresh air inlet has evenly been seted up to the bottom of converter casing opposite side, one side fixedly connected with cover body of fresh air inlet, the inside fixedly connected with filter screen of cover body, the air outlet has been seted up on the top of converter casing one side, the inside of air outlet is provided with the fan.
Preferably, a top groove is formed in the top end of the inside of the frequency converter shell, a hot melt film is fixedly connected to the bottom end of the inside of the top groove, and flame retardant powder is filled in the inside of the top groove.
Preferably, three groups of the top grooves are arranged at equal intervals, and the flame retardant powder is dry powder.
Preferably, the top of converter casing is provided with the mounting panel, four corners of mounting panel are provided with the mounting hole respectively, the front end fixedly connected with supporting seat of mounting panel, the top fixedly connected with spacing inserted block of converter casing, spacing inserted block slides and pegs graft in the inside of supporting seat.
Preferably, a sliding groove is formed in the center position of the top end inside the supporting seat, a screw hole is formed in the top end of the sliding groove, a screw rod penetrates through the screw hole, a knob is fixedly connected to the top end of the screw rod, and a pressing block is movably connected to the bottom end of the screw rod.
Preferably, the bottom fixedly connected with rubber pad of briquetting, the briquetting constitutes sliding connection in the spout is inside.
Compared with the prior art, the utility model has the beneficial effects that: the explosion-proof elevator frequency converter can filter and remove dust to the outside air and separate mosquitoes, so that the internal components are prevented from being polluted to fail, the service life of the frequency converter is prolonged, the frequency converter can be automatically extinguished when the internal components of the frequency converter shell spontaneously ignite to generate open fire, larger fire accidents are avoided, the frequency converter is safer and more reliable to use, the frequency converter is quite simple to disassemble and assemble, and quite convenient to overhaul and maintain after being installed;
(1) Through being provided with the cover body, the air outlet, the fan, the fresh air inlet and the filter screen, when using, start the fan, the fan passes through the air outlet and discharges the inside air of converter casing fast, outside air gets into the inside of converter casing through the fresh air inlet, make the inside good ventilation effect that has of converter casing, thereby improve the inside explosion-proof performance of converter casing, outside air before getting into the inside of converter casing through the fresh air inlet, the filter screen of cover body inside can filter it and remove dust, can filter dust and separate the mosquito to outside air like this, avoid inside subassembly to receive the pollution to break down, the life of extension converter;
(2) Through being provided with hot melt film, roof groove and fire-retardant powder, when using, the converter is in the control work process of operation to the elevator, if the circuit motherboard takes place spontaneous combustion because of trouble such as short circuit, open fire can make the hot melt film heat and melt, the fire-retardant powder of roof groove inside will fall automatically at this moment, cover on the circuit motherboard, thereby put out the open fire on the circuit motherboard and carry out fire-retardant, can put out it automatically when the internal assembly spontaneous combustion of converter shell appears open fire, avoid causing great fire accident, use more safe and reliable;
(3) Through being provided with mounting panel, the supporting seat, spacing inserted block, the knob, the screw rod, the spout, briquetting and rubber pad, when the installation, utilize the bolt to install the mounting panel earlier and fix the inside assigned position department of elevator, then with the inside of spacing inserted block slip insertion supporting seat at converter casing top, and turn the knob, make the knob drive the screw rod at the inside downfeed that rotates of screw, the screw rod can promote the briquetting and compress tightly the fixed with spacing inserted block, thereby fix the converter casing installation in the bottom of supporting seat, accomplish the installation of converter, when needing to pull down the converter casing, only need reverse rotation knob, can make the briquetting loosen spacing inserted block, then take out spacing inserted block from the supporting seat is inside, can pull down the converter casing, after the converter installation like this, follow-up dismouting is very simple, maintenance is very convenient.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic side view of the support base of the present utility model;
FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;
fig. 4 is an enlarged partial sectional view of the air inlet of the present utility model.
In the figure: 1. a frequency converter housing; 2. a connection terminal; 3. a cover body; 4. a circuit motherboard; 5. a hot melt film; 6. a top groove; 7. a mounting plate; 8. a support base; 9. limiting plug blocks; 10. an air outlet; 11. a fan; 12. a knob; 13. an air inlet hole; 14. a filter screen; 15. a screw hole; 16. a screw; 17. a chute; 18. briquetting; 19. a rubber pad; 20. a mounting hole; 21. flame retardant powder.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-4, the explosion-proof elevator frequency converter comprises a frequency converter shell 1, wherein a circuit board 4 is fixedly arranged at the rear end of the inside of the frequency converter shell 1, a wiring terminal 2 is fixedly connected at the bottom end of one side of the frequency converter shell 1, air inlet holes 13 are uniformly formed at the bottom end of the other side of the frequency converter shell 1, a cover body 3 is fixedly connected at one side of the air inlet holes 13, a filter screen 14 is fixedly connected in the cover body 3, an air outlet 10 is formed at the top end of one side of the frequency converter shell 1, and a fan 11 is arranged in the air outlet 10;
specifically, as shown in fig. 1 and 4, the fan 11 is started, and when the fan 11 rapidly discharges the air inside the inverter housing 1 through the air outlet 10, the external air enters the inside of the inverter housing 1 through the air inlet 13, so that the inside of the inverter housing 1 has a good ventilation effect, the explosion-proof performance inside the inverter housing 1 is improved, and the external air is filtered and dedusted by the filter screen 14 inside the cover 3 before entering the inside of the inverter housing 1 through the air inlet 13.
Example 2: the top end of the inside of the frequency converter shell 1 is provided with a top groove 6, the bottom end of the inside of the top groove 6 is fixedly connected with a hot melt film 5, the inside of the top groove 6 is filled with flame retardant powder 21, three groups of the top grooves 6 are arranged at equal intervals, and the flame retardant powder 21 is dry powder;
specifically, as shown in fig. 1, in the process of controlling the operation of the elevator, if the circuit board 4 is spontaneously ignited due to a fault such as a short circuit, the hot-melt film 5 is heated and melted by an open flame, and at this time, the flame-retardant powder 21 in the top groove 6 automatically falls down and covers the circuit board 4, so that the open flame on the circuit board 4 is extinguished and flame-retarded.
Example 3: the top end of the frequency converter shell 1 is provided with a mounting plate 7, four corners of the mounting plate 7 are respectively provided with a mounting hole 20, the front end of the mounting plate 7 is fixedly connected with a supporting seat 8, the top end of the frequency converter shell 1 is fixedly connected with a limiting insert block 9, and the limiting insert block 9 is in sliding insertion connection with the inside of the supporting seat 8;
a chute 17 is arranged at the center position of the top end inside the supporting seat 8, a screw hole 15 is arranged at the top end of the chute 17, a screw rod 16 penetrates through the interior of the screw hole 15, a knob 12 is fixedly connected to the top end of the screw rod 16, a pressing block 18 is movably connected to the bottom end of the screw rod 16, a rubber pad 19 is fixedly connected to the bottom end of the pressing block 18, and the pressing block 18 is in sliding connection inside the chute 17;
specifically, as shown in fig. 1, 2 and 3, during installation, the mounting plate 7 is firstly installed and fixed at a designated position in the elevator by using bolts, then the limit plug block 9 at the top of the frequency converter shell 1 is slidably inserted into the support seat 8, the knob 12 is rotated, the knob 12 drives the screw 16 to rotate in the screw hole 15 to feed downwards, the screw 16 can push the press block 18 to tightly press and fix the limit plug block 9, so that the frequency converter shell 1 is installed and fixed at the bottom of the support seat 8, the installation of the frequency converter is completed, and when the frequency converter shell 1 needs to be disassembled, the press block 18 can be loosened by reversely rotating the knob 12, then the limit plug block 9 is extracted from the support seat 8, and the frequency converter shell 1 can be disassembled.
Working principle: when the utility model is used, firstly, the mounting plate 7 is mounted and fixed at a designated position in an elevator by utilizing bolts, then the limit plug block 9 at the top of the frequency converter shell 1 is slidably inserted into the support seat 8, the knob 12 is rotated to drive the screw rod 16 to rotate in the screw hole 15 and feed downwards, the screw rod 16 can push the press block 18 to tightly press and fix the limit plug block 9, thus the frequency converter shell 1 is mounted and fixed at the bottom of the support seat 8, the frequency converter is mounted, and the frequency converter completes the mounting of the frequency converter, if the circuit main board 4 has spontaneous combustion due to faults such as short circuit and the like in the operation control process of the elevator, the open flame can heat and melt the hot melt film 5, at the moment, the flame retardant powder 21 in the top groove 6 automatically falls down to cover the circuit main board 4, thereby extinguishing the open flame on the circuit main board 4 and carrying out flame retardance, and secondly, the fan 11 is started, the fan 11 discharges the air in the frequency converter shell 1 through the air outlet 10, and the external air enters the frequency converter shell 1 through the air inlet 13, so that the inside of the frequency converter shell 1 has good ventilation effect, the explosion-proof performance of the inside of the frequency converter shell 1 is improved, the filter screen 14 in the cover 3 filters and removes dust before the external air enters the inside of the frequency converter shell 1 through the air inlet 13, when the frequency converter shell 1 needs to be disassembled, the press block 18 can loosen the limit insert block 9 by only reversely rotating the knob 12, then the limit insert block 9 is extracted from the inside of the supporting seat 8, the frequency converter of the explosion-proof elevator can filter and remove dust for the external air and separate mosquitoes, avoid the internal components from being polluted and faults, prolong the service life of the frequency converter, and can put out it automatically when the spontaneous combustion of the inside subassembly of converter casing 1 appears open fire, avoid causing great fire accident, use safe and reliable more, after the converter installation simultaneously, follow-up dismouting is all very simple, and it is very convenient to overhaul and maintain.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (6)
1. Explosion-proof elevator converter, including converter casing (1), its characterized in that: the novel frequency converter is characterized in that a circuit main board (4) is fixedly arranged at the rear end of the inside of the frequency converter shell (1), a connecting terminal (2) is fixedly connected to the bottom end of one side of the frequency converter shell (1), an air inlet hole (13) is uniformly formed in the bottom end of the other side of the frequency converter shell (1), a cover body (3) is fixedly connected to one side of the air inlet hole (13), a filter screen (14) is fixedly connected to the inside of the cover body (3), an air outlet (10) is formed in the top end of one side of the frequency converter shell (1), and a fan (11) is arranged in the air outlet (10).
2. The explosion-proof elevator frequency converter of claim 1, wherein: the top of converter casing (1) inside is provided with roof groove (6), the inside bottom fixedly connected with hot melt film (5) of roof groove (6), the inside of roof groove (6) is filled with fire-retardant powder (21).
3. The explosion-proof elevator frequency converter according to claim 2, characterized in that: three groups of the top grooves (6) are arranged at equal intervals, and the flame retardant powder (21) is dry powder.
4. The explosion-proof elevator frequency converter of claim 1, wherein: the novel frequency converter is characterized in that the top end of the frequency converter shell (1) is provided with a mounting plate (7), four corners of the mounting plate (7) are respectively provided with a mounting hole (20), the front end of the mounting plate (7) is fixedly connected with a supporting seat (8), the top end of the frequency converter shell (1) is fixedly connected with a limiting plug block (9), and the limiting plug block (9) is slidably inserted into the supporting seat (8).
5. The explosion-proof elevator frequency converter of claim 4, wherein: the novel screw rod is characterized in that a chute (17) is arranged at the central position of the top end inside the supporting seat (8), a screw hole (15) is formed in the top end of the chute (17), a screw rod (16) penetrates through the screw hole (15), a knob (12) is fixedly connected to the top end of the screw rod (16), and a pressing block (18) is movably connected to the bottom end of the screw rod (16).
6. The explosion-proof elevator frequency converter of claim 5, wherein: the bottom end of the pressing block (18) is fixedly connected with a rubber pad (19), and the pressing block (18) is in sliding connection inside the sliding groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223492082.5U CN218977164U (en) | 2022-12-27 | 2022-12-27 | Explosion-proof type elevator frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223492082.5U CN218977164U (en) | 2022-12-27 | 2022-12-27 | Explosion-proof type elevator frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218977164U true CN218977164U (en) | 2023-05-05 |
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ID=86149243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223492082.5U Active CN218977164U (en) | 2022-12-27 | 2022-12-27 | Explosion-proof type elevator frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218977164U (en) |
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2022
- 2022-12-27 CN CN202223492082.5U patent/CN218977164U/en active Active
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