CN112460722A - A high-efficient ventilation system for elevator - Google Patents
A high-efficient ventilation system for elevator Download PDFInfo
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- CN112460722A CN112460722A CN202011440809.8A CN202011440809A CN112460722A CN 112460722 A CN112460722 A CN 112460722A CN 202011440809 A CN202011440809 A CN 202011440809A CN 112460722 A CN112460722 A CN 112460722A
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- Prior art keywords
- elevator
- fixed mounting
- air
- baffle
- ventilation system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
- B66B11/024—Ventilation systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a high-efficiency ventilation system for an elevator, and relates to the technical field of elevator ventilation. Including elevator body and ventilation mechanism, ventilation mechanism has been placed at the top of elevator body, ventilation mechanism includes the drive plate, sieves box and purification mechanism, the inside fixed mounting of drive plate has two top air-supply lines and two bottom air-supply lines, and fixed mounting has the tee bend valve pipe between the top air-supply line of homonymy and the bottom air-supply line. This a high-efficient ventilation system for elevator, through setting up the box that sieves, utilize two filter screens to obtain filtering step by step on the way that the outside air got into the elevator, the first motor of deuterogamying drives the nut seat through the lead screw and slides, make two sliding brushes carry out the clearance of continuity circuitous formula to two filter screens respectively, make the filter screen obtain the clearance when purifying the air, thereby guaranteed the filtration effect, make the inside personnel of elevator can obtain the pure air constantly.
Description
Technical Field
The invention relates to the technical field of elevator ventilation, in particular to a high-efficiency ventilation system for an elevator.
Background
An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °. The size and the structural form of the car are convenient for passengers to access or load and unload goods. It is customary to use elevators as a generic term for vertical transport means in buildings, irrespective of their drive mode.
In the prior art, because the space of an elevator car is narrow, the flow of people is large, the air is not circulated and other factors can threaten human health and even life, a ventilation system is arranged in the elevator, the traditional ventilation system ensures the air circulation in the elevator car through the up-and-down movement of the elevator, the ventilation system is a passive air circulation device, particularly, the passive air circulation can not be carried out in the process of waiting for rescue in the fault state of emergency stop of the elevator, and long-time sultry and oxygen deficiency can not influence the human health but also cause injury to people due to the fact that the inside and the outside of the elevator are not ventilated.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency ventilation system for an elevator comprises an elevator body and a ventilation mechanism, wherein the ventilation mechanism is placed at the top of the elevator body and comprises a drive plate, a sieving box and a purification mechanism, two top air inlet pipes and two bottom air inlet pipes are fixedly installed inside the drive plate, a three-way valve pipe is fixedly installed between the top air inlet pipe and the bottom air inlet pipe on the same side, the sieving box is fixedly installed at the air outlet end of the three-way valve pipe, and the air outlet ends of the two sieving boxes are communicated with the purification mechanism through a three-way fan;
the purification mechanism includes the filter cartridge, the inside fixed mounting of filter cartridge has baffle and baffle, the left side fixed mounting of baffle has the ultraviolet irradiation lamp, the right side fixed mounting of baffle has anion generator, fixed mounting has the heating wire between baffle and the baffle, the right side fixed mounting of baffle has the connection fan.
As a preferable technical scheme of the invention, the bottom of the ventilation mechanism is movably inserted with a mounting plate, the inner side of the mounting plate is lapped with the bottom of the elevator body, and the elevator body is positioned between a fixed structure formed by the ventilation mechanism and the mounting plate.
As a preferred technical scheme, two filter screens are arranged between the inner walls of the two sides of the sieving box, a socket is fixedly mounted on the inner wall of the sieving box, the filter screens are fixedly mounted with the inner wall of the sieving box through the socket, and the precision of the two filter screens is sequentially increased from bottom to top.
As a preferable technical scheme of the present invention, a driving cavity is formed inside the sieving box, a first motor is fixedly mounted on an inner wall of the driving cavity, a lead screw is fixedly mounted on an output shaft of the first motor, a nut seat is connected to an outer side of the lead screw through a ball screw, a slide rail is fixedly mounted on an inner wall of the driving cavity, and a bottom of the nut seat is slidably connected to an inside of the slide rail.
As a preferable technical scheme of the invention, two sliding brushes are fixedly arranged on the front side of the nut seat, a connecting rod is fixedly arranged between the two sliding brushes, and the inner sides of the sliding brushes are lapped with the outer side of the filter screen.
As a preferable technical scheme of the invention, a cavity formed between the right side of the baffle and the inner wall of the filter box is an adjusting cavity, a second motor is fixedly installed on the inner wall of the adjusting cavity, a rotating shaft is fixedly installed on an output shaft of the second motor, sliding blocks are connected between the inner walls of the two sides of the adjusting cavity in a sliding manner, the top ends of the sliding blocks are connected with the bottom of the rotating shaft in a sliding manner, and an air outlet pipe is fixedly installed on the front side of the sliding blocks.
As a preferable technical scheme of the invention, the connecting fan is communicated with the air outlet pipe through a hose, and the air outlet end of the air outlet pipe extends to the interior of the elevator body.
As a preferable technical scheme of the invention, the surface of the rotating shaft is provided with a closed groove, and the top end of the sliding block extends to the inside of the closed groove and is in sliding connection with the inside of the closed groove.
Advantageous effects
Compared with the prior art, the invention provides an efficient ventilation system for an elevator, which has the following beneficial effects:
1. this a high-efficient ventilation system for elevator, through setting up the top air-supply line, bottom air-supply line and three way fan, utilize three way fan can be with passing through the top air-supply line, the air inlet of bottom air-supply line with elevator top and bottom is opened, make the air can get into inside the elevator voluntarily, make the inside personnel of can normally carrying out the circulation of air and the inside stranded personnel of elevator cab in scram state can normally breathe, avoided adopting passive form because of prior art mostly to ventilate, and lead to other critical situations such as sultry and oxygen deficiency can appear in the inside personnel of elevator when the elevator scram, thereby elevator personnel's personal safety has been guaranteed.
2. This a high-efficient ventilation system for elevator, through setting up the box that sieves, utilize two filter screens to obtain filtering step by step on the way that the outside air got into the elevator, the first motor of deuterogamying drives the nut seat through the lead screw and slides, make two sliding brushes carry out the clearance of continuity circuitous formula to two filter screens respectively, make the filter screen obtain the clearance when purifying the air, thereby guaranteed the filtration effect, make the inside personnel of elevator can obtain the pure air constantly.
3. This a high-efficient ventilation system for elevator, through setting up the filter cartridge, the utilization can be fast effectual carries out the secondary purification to carrying the inside air of elevator through anion generator and ultraviolet irradiation lamp, also ensured the quality of air when the guarantee circulation of air, the cooperation electric heat silk heats the air again and is connected the fan and carry out circuitous formula heating to the inside of elevator through the cooperative work of second motor and outlet duct to the air after the heating, make the inside lower temperature of elevator obtain the rise under the scram state, make personnel in the elevator can obtain the heating of certain degree.
Drawings
Fig. 1 is a schematic view showing a structure of a high-efficiency ventilating system for an elevator according to the present invention;
fig. 2 is a front sectional view of a ventilating mechanism of a high efficiency ventilating system for an elevator according to the present invention;
fig. 3 is a front cross-sectional view of a screening box of a high efficiency ventilating system for an elevator according to the present invention;
fig. 4 is a front sectional view showing a structure of a driving chamber of a high efficiency ventilating system for an elevator according to the present invention;
fig. 5 is a front sectional view showing a filter cassette structure of a high efficiency ventilating system for an elevator according to the present invention.
In the figure: 1. an elevator body; 2. a ventilation mechanism; 3. mounting a plate; 4. a drive plate; 5. a top air inlet pipe; 6. a bottom air inlet pipe; 7. a three-way valve pipe; 8. sieving the box; 9. a three-way fan; 10. a purification mechanism; 11. filtering with a screen; 12. a drive chamber; 13. a first motor; 14. a screw rod; 15. a nut seat; 16. a slide rail; 17. a sliding brush; 18. a connecting rod; 19. a filter cartridge; 20. a partition plate; 21. a baffle plate; 22. an ultraviolet irradiation lamp; 23. a negative ion generator; 24. an electric heating wire; 25. connecting a fan; 26. a second motor; 27. a rotating shaft; 28. a slider; 29. an air outlet pipe; 30. a hose.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a high-efficiency ventilation system for an elevator comprises an elevator body 1 and a ventilation mechanism 2, the ventilation mechanism 2 is placed at the top of the elevator body 1, the ventilation mechanism 2 comprises a drive plate 4, a sieving box 8 and a purification mechanism 10, two top air inlet pipes 5 and two bottom air inlet pipes 6 are fixedly installed inside the drive plate 4, a three-way valve pipe 7 is fixedly installed between the top air inlet pipe 5 and the bottom air inlet pipe 6 on the same side, the sieving box 8 is fixedly installed at the air outlet end of the three-way valve pipe 7, and the air outlet ends of the two sieving boxes 8 are communicated with the purification mechanism 10 through a three-way fan 9.
Through setting up top air-supply line 5, bottom air-supply line 6 and three way fan 9, utilize three way fan 9 can be with opening through top air-supply line 5, bottom air-supply line 6 is opened the air inlet of elevator top and bottom, make inside the air can get into the elevator voluntarily, make the inside personnel of can normally carrying out the circulation of air and the inside stranded personnel of elevator cab in scram state can normally breathe, avoided adopting passive ventilation because of prior art mostly, and lead to other critical conditions such as sultry and oxygen deficiency can appear when the elevator scram in inside personnel of elevator, thereby elevator personnel's personal safety has been guaranteed.
Through setting up filter box 19, utilize and to carry the inside air of elevator to carry through secondary purification through anion generator 23 and ultraviolet irradiation lamp 22 can be quick effectual, also ensured the quality of air when the guarantee circulation of air.
As a specific technical scheme of this embodiment, the bottom of the ventilation mechanism 2 is movably inserted with the mounting plate 3, the inner side of the mounting plate 3 is overlapped with the bottom of the elevator body 1, and the elevator body 1 is located between the fixed structures formed by the ventilation mechanism 2 and the mounting plate 3.
In this embodiment, the installation plate 3 is used to effectively install the ventilation mechanism 2 and the elevator body 1.
As a specific technical solution of this embodiment, two filter screens 11 are disposed between the inner walls of the two sides of the sieving box 8, a socket is fixedly arranged on the inner wall of the sieving box 8, the filter screen 11 is fixedly arranged on the inner wall of the sieving box 8 through the socket, and the precision of the two filter screens 11 is increased from bottom to top in sequence, a driving cavity 12 is arranged in the sieving box 8, a first motor 13 is fixedly arranged on the inner wall of the driving cavity 12, a screw rod 14 is fixedly arranged on an output shaft of the first motor 13, the outer side of the screw 14 is connected with a nut seat 15 through ball threads, the inner wall of the driving cavity 12 is fixedly provided with a slide rail 16, the bottom of the nut seat 15 is connected with the inside of the slide rail 16 in a sliding manner, two sliding brushes 17 are fixedly mounted on the front side of the nut seat 15, a connecting rod 18 is fixedly mounted between the two sliding brushes 17, and the inner sides of the sliding brushes 17 are overlapped with the outer side of the filter screen 11.
In this embodiment, through setting up box 8 that sieves, utilize two filter screens 11 to obtain filtering step by step on the way that the outside air got into the elevator, first motor 13 of deuterogamying drives nut seat 15 through lead screw 14 and slides, make two sliding brush 17 carry out the clearance of continuity circuitous formula to two filter screens 11 respectively, make filter screen 11 obtain the clearance when air purification, thereby guaranteed the air filter effect, make the inside personnel of elevator can obtain the continuous pure air of source.
As a specific technical scheme of this embodiment, a cavity formed between the right side of the baffle 21 and the inner wall of the filter box 19 is an adjusting cavity, a second motor 26 is fixedly installed on the inner wall of the adjusting cavity, a rotating shaft 27 is fixedly installed on an output shaft of the second motor 26, a slider 28 is slidably connected between the inner walls of the two sides of the adjusting cavity, the top end of the slider 28 is slidably connected with the bottom of the rotating shaft 27, an air outlet pipe 29 is fixedly installed on the front side of the slider 28, the connecting fan 25 is communicated with the air outlet pipe 29 through a hose 30, the air outlet end of the air outlet pipe 29 extends to the inside of the elevator body 1, a closed groove is formed in the surface of the rotating shaft 27, and the top end of the slider 28 extends to the inside of the closed groove and is slidably connected with the.
In this embodiment, the heating wire 24 is used to heat air, and the connection fan 25 is used to perform a circulating heating operation on the heated air through the cooperation of the second motor 26 and the air outlet pipe 29, so that the lower temperature inside the elevator is raised in an emergency stop state, and the personnel in the elevator can obtain a certain degree of heating.
The working principle and the using process of the invention are as follows: when the air filter is used, when the elevator runs and the elevator runs upwards, the opening at the top of the three-way valve pipe 7 is opened, so that the outside air can be directly filled into the top air inlet pipe 5 when the elevator moves, and the top air inlet pipe 5 directly connects the air into the sieving box 8 through the three-way valve pipe 7 for filtering; when the elevator runs downwards, the opening at the bottom of the three-way valve pipe 7 is opened, so that the outside air can be directly filled into the bottom air inlet pipe 6 when the elevator moves, and the bottom air inlet pipe 6 directly connects the air into the sieving box 8 through the three-way valve pipe 7 for filtering;
when the elevator is in an emergency stop state, the openings at the top and the bottom of the three-way valve pipe 7 are opened, the three-way fan 9 and the connecting fan 25 are started, so that air at the top and the bottom of the elevator enters the interior of the sieving box 8 through the top air inlet pipe 5 and the bottom air inlet pipe 6 respectively, the air sequentially passes through the two filter screens 11, the first motor 13 is started while the filter screens 11 filter the air, the screw rod 14 is driven to rotate by the forward and reverse rotation of the first motor 13, the screw rod 14 drives the nut seat 15 to move axially along the screw rod direction, the nut seat 15 drives the two sliding brushes 17 to perform continuous circuitous cleaning on the outer sides of the filter screens 11, and the air filtered by the filter screens 11 enters the interior of the filtering box 19 through the three-way fan 9;
the air is firstly sterilized by the ultraviolet radiation lamp 22, the mycoprotein is photolyzed and denatured by the ultraviolet radiation, the amino acid, nucleic acid and enzyme of the thallus are destroyed and die, and simultaneously, the oxygen in the air is ionized to generate ozone when the ultraviolet passes through the air, so that the sterilization effect is enhanced; then the negative ion generator 23 can perform air refreshing and smoke and dust removing, and perform electrode neutralization on negative ions with negative charges and smoke dust floating in the air with positive charges so as to naturally deposit the negative ions and the smoke dust; then the heating wire 24 can heat the air, and the connecting fan 25 is matched to introduce the heated air into the inside of the air outlet pipe 29, meanwhile, the second motor 26 can drive the rotating shaft 27 to rotate, and the closed groove formed in the rotating shaft 27 can drive the sliding block 28 to perform circuitous motion in the horizontal direction, so that the air outlet pipe 29 can perform circuitous heating on the inside of the elevator.
In summary, the efficient ventilation system for the elevator is provided with the top air inlet pipe 5, the bottom air inlet pipe 6 and the three-way fan 9, and the three-way fan 9 can open the air inlets at the top and the bottom of the elevator through the top air inlet pipe 5 and the bottom air inlet pipe 6, so that air can actively enter the elevator, the elevator in an emergency stop state can normally circulate air, and people trapped inside an elevator car can normally breathe, thereby avoiding other emergency situations such as sultry and oxygen deficiency when the elevator stops suddenly due to most passive ventilation adopted in the prior art, and further ensuring the personal safety of elevator personnel; by arranging the sieving box 8, the two filter screens 11 can be used for filtering the outside air step by step on the way of entering the elevator, and then the first motor 13 is matched to drive the nut seat 15 to slide through the screw rod 14, so that the two sliding brushes 17 are promoted to respectively carry out continuous circuitous cleaning on the two filter screens 11, the filter screens 11 are cleaned while purifying the air, the air filtering effect is ensured, and personnel in the elevator can obtain continuously purified air; through setting up filter box 19, utilize and to carry the inside air of elevator to carry through the quick effectual air secondary purification that carries through anion generator 23 and ultraviolet irradiation lamp 22, also ensured the quality of air when the guarantee circulation of air, cooperate heating wire 24 again to heat the air and connect fan 25 to carry out the circuitous formula heating to the inside of elevator through the cooperative work of second motor 26 and outlet duct 29 to the air after the heating for be in under the scram state inside lower temperature of elevator has obtained the rise again, make personnel in the elevator can obtain the heating of certain degree.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (8)
1. A high-efficient ventilation system for elevator, including elevator body (1) and ventilation mechanism (2), its characterized in that: the ventilation mechanism (2) is placed at the top of the elevator body (1), the ventilation mechanism (2) comprises a drive plate (4), a sieving box (8) and a purification mechanism (10), two top air inlet pipes (5) and two bottom air inlet pipes (6) are fixedly installed inside the drive plate (4), a three-way valve pipe (7) is fixedly installed between the top air inlet pipe (5) and the bottom air inlet pipe (6) on the same side, the sieving box (8) is fixedly installed at the air outlet end of the three-way valve pipe (7), and the air outlet ends of the two sieving boxes (8) are communicated with the purification mechanism (10) through a three-way fan (9);
purify mechanism (10) including filter cartridge (19), the inside fixed mounting of filter cartridge (19) has baffle (20) and baffle (21), the left side fixed mounting of baffle (20) has ultraviolet irradiation lamp (22), the right side fixed mounting of baffle (20) has anion generator (23), fixed mounting has heating wire (24) between baffle (20) and baffle (21), the right side fixed mounting of baffle (21) has connection fan (25).
2. An efficient ventilation system for elevators according to claim 1, characterized in that: the bottom of ventilation mechanism (2) is movably spliced with mounting plate (3), the inner side of mounting plate (3) is in lap joint with the bottom of elevator body (1), and elevator body (1) is located between the fixed structure formed by ventilation mechanism (2) and mounting plate (3).
3. An efficient ventilation system for elevators according to claim 1, characterized in that: be provided with two filter screens (11) between the both sides inner wall of sieving box (8), the volume inner wall fixed mounting who sieves box (8) has the socket, filter screen (11) are through the socket and the inner wall fixed mounting who sieves box (8), and two filter screen (11) precision from up increasing in proper order down.
4. A high efficiency ventilation system for elevators according to claim 3, characterized in that: drive chamber (12) have been seted up to the inside of box (8) that sieves, the inner wall fixed mounting in drive chamber (12) has first motor (13), the output shaft fixed mounting of first motor (13) has lead screw (14), there is nut seat (15) in the outside of lead screw (14) through ball threaded connection, the inner wall fixed mounting in drive chamber (12) has slide rail (16), the inside sliding connection of the bottom of nut seat (15) and slide rail (16).
5. An efficient ventilation system for elevators according to claim 4, characterized in that: two sliding brushes (17) are fixedly mounted on the front side of the nut seat (15), a connecting rod (18) is fixedly mounted between the two sliding brushes (17), and the inner sides of the sliding brushes (17) are in lap joint with the outer side of the filter screen (11).
6. An efficient ventilation system for elevators according to claim 1, characterized in that: the cavity that forms between the right side of baffle (21) and the inner wall of filter cartridge (19) is for adjusting the chamber, adjusts the inner wall fixed mounting in chamber and has second motor (26), the output shaft fixed mounting of second motor (26) has pivot (27), sliding connection has slider (28) between the both sides inner wall in chamber, the top of slider (28) and the bottom sliding connection of pivot (27), the front side fixed mounting of slider (28) has outlet duct (29).
7. An efficient ventilation system for elevators according to claim 6, characterized in that: the connecting fan (25) is communicated with the air outlet pipe (29) through a hose (30), and the air outlet end of the air outlet pipe (29) extends to the inside of the elevator body (1).
8. An efficient ventilation system for elevators according to claim 6, characterized in that: the surface of the rotating shaft (27) is provided with a closed groove, and the top end of the sliding block (28) extends to the inside of the closed groove and is in sliding connection with the inside of the closed groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011440809.8A CN112460722B (en) | 2020-12-08 | 2020-12-08 | A high-efficient ventilation system for elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011440809.8A CN112460722B (en) | 2020-12-08 | 2020-12-08 | A high-efficient ventilation system for elevator |
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| CN112460722A true CN112460722A (en) | 2021-03-09 |
| CN112460722B CN112460722B (en) | 2022-05-27 |
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