CN112811283B - Ventilation filter device for elevator - Google Patents
Ventilation filter device for elevator Download PDFInfo
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- CN112811283B CN112811283B CN202110052592.1A CN202110052592A CN112811283B CN 112811283 B CN112811283 B CN 112811283B CN 202110052592 A CN202110052592 A CN 202110052592A CN 112811283 B CN112811283 B CN 112811283B
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- air outlet
- air inlet
- air
- car
- fixed
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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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
-
- 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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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to the field of elevators, in particular to an elevator ventilation filtering device which is arranged on a car main body and comprises an upper air inlet part, a lower air inlet part, an upper air outlet part, a lower air outlet part, a car air guide outer side wall and a bottom ventilation plate, wherein the car air guide outer side wall is arranged on the outer side of the car main body; the upper air inlet part and the lower air inlet part respectively comprise an air inlet outer edge, a fixed ventilating plate, a movable ventilating plate, a filtering layer, a sealing spring, an oxygen branch pipe, a piston lock pin and a dust blowing guide pipe; the upper air outlet part and the lower air outlet part comprise air outlet covers and air outlet outer edges; also comprises an oxygen cylinder and an alarm switch which are arranged on the car body. The invention enables the air inside and outside the lift car to be communicated, can reduce the resistance of the lift when in operation, simultaneously filters the air entering the lift car, and can also remove dust from the filter layer to keep the filtering efficiency of the filter layer.
Description
Technical Field
The invention relates to the field of elevators, in particular to an elevator ventilation filtering device.
Background
The vertical lift has a car which runs on at least two rigid tracks which are perpendicular to the horizontal plane or inclined at an angle of less than 15 DEG to the vertical, the car being dimensioned and configured to facilitate the passage of passengers in and out of or the loading and unloading of goods. Regardless of the driving mode, the elevator as a vertical transportation means in a building is an integral part of people's life nowadays.
Most of the existing vertical lifting elevators adopt a mechanical air supply mode to ventilate an elevator car, but the air supply mode also has some problems: 1. peculiar smell and dust exist in the air in the elevator shaft, and the air quality can be influenced after the air is sent into the elevator car through the fan. 2. The ventilation holes in the car are usually located at the top of the car, and because the elevator car is in a closed position during operation, the ventilation between the inside of the car and the outside air is not good. 3. When the elevator runs, most of air at the upper part and the lower part of the elevator car can not smoothly circulate through the elevator car, so that the resistance when the elevator runs is large. 4. When the elevator breaks down, oxygen in the elevator car does not circulate, resulting in the easy oxygen deficiency of the inside of the car.
Disclosure of Invention
The invention aims to provide an elevator ventilation filtering device, which solves the problems that an elevator car is not communicated with the external upper part and the external lower part and the resistance is large when the elevator car runs up and down and also solves the problems that the elevator car is lack of filtering and the interior of the elevator car is lack of oxygen when the elevator fails.
In order to solve the technical problems, the technical means of the elevator ventilation filtering device adopted by the invention is as follows: the air conditioner comprises an upper air inlet part, a lower air inlet part, an upper air outlet part, a lower air outlet part, a car air guide outer side wall and a bottom ventilating plate, wherein the car air guide outer side wall and the bottom ventilating plate are arranged on two sides of a car body; the upper air inlet part and the lower air inlet comprise an air inlet outer edge, a fixed ventilating plate, a movable ventilating plate, a filtering layer, a sealing spring, an oxygen branch pipe, a piston lock pin and a dust blowing guide pipe, the air inlet outer edge is fixed on the periphery of the upper air inlet and the lower air inlet, the fixed ventilating plate is fixed in the air inlet outer edge, the movable ventilating plate is positioned on the air inlet side of the fixed ventilating plate, the movable ventilating plate and the fixed ventilating plate are respectively provided with an opening or a through hole, and the filtering layer is fixed on the air inlet side of the fixed ventilating plate; one end of each of the closed springs is fixed on the movable ventilating plate, and the other end of each of the closed springs is fixed on the car main body; the oxygen branch pipe penetrates through the outer edge of the air inlet, the piston lock pin is positioned in the end part of the oxygen branch pipe, a blind hole corresponding to the piston lock pin is formed in the movable ventilating plate, and the piston lock pin is pushed into the blind hole and used for locking the movable ventilating plate attached to the fixed ventilating plate; one end of the dust blowing guide pipe penetrates through the outer edges of the air inlets of the upper air inlet part and the lower air inlet part, one end of the dust blowing guide pipe is connected to the outer edges of the air outlets of the upper air outlet part and the lower air outlet part, and the position where the upper air inlet part and the lower air inlet part penetrate through is located between the fixed ventilating plate and the filtering layer; the upper air outlet part and the lower air outlet part comprise air outlet covers and air outlet outer edges, the air outlet outer edges are positioned on the peripheries of the upper air outlet and the lower air outlet, and the air outlet covers cover the air outlet outer edges after being turned over; the outer edge of the air outlet is divided into a semi-closed air collecting cavity and a through outer edge of the air outlet, one end of the dust blowing guide pipe is connected to the outer edge of the air outlet on one side of the air collecting cavity, and the air collecting cavity is formed by sealing a partition plate and a bottom plate; the car main part top still is equipped with the oxygen cylinder, still is equipped with alarm switch in the car, be equipped with the oxygen pipe on the oxygen cylinder, the oxygen pipe runs through into in the car, the other end of oxygen branch pipe is connected on the oxygen pipe.
The elevator ventilation filter device of the technical scheme has the following technical advantages: 1. under the normal state, the fixed ventilating plates and the movable ventilating plates in the upper air inlet part and the lower air inlet part of the elevator car are in the joint sealing position under the action of the sealing spring, and the outer edges of the air outlets of the upper air outlet and the lower air outlet and the air outlet cover are in the joint sealing position; 2. when the elevator is in an ascending state, the air at the upper part of the elevator car firstly passes through the filter layer and then reaches the fixed ventilating board and the movable ventilating board after being filtered, then the movable ventilating board in the upper air inlet is extruded by the air on the upper part of the cage to extrude the closed spring, the movable ventilating board leaves the joint sealing position with the fixed ventilating board, a communicated chamber is formed between the fixed ventilating board and the movable ventilating board, air at the upper part of the cage enters the cage through the communicated chamber, meanwhile, under the action of air in the car, a part of air pushes an air outlet cover to enable air in the car to flow out, a part of air sequentially passes through an air collecting cavity and a dust blowing guide pipe of the lower air outlet part and flows between a movable ventilation plate and a filter layer of the lower air inlet part, and a dust blowing branch pipe is aligned with the filter layer of the lower air inlet part to carry out reverse dust blowing; when the elevator is in a descending state, the process is similar to the process, the lower air inlet part enters air, the upper air outlet exits air, and the dust blowing guide pipe on the upper air outlet blows dust reversely for the filter layer of the upper air inlet part; the cross section of the inside and outside communicated elevator car has large area and better circulation, and can ensure that the air at the upper part and the lower part can be more smoothly circulated when the elevator car runs, thereby greatly reducing the resistance of the elevator car during running and blowing off the dust on the filter layer while ventilating and filtering; 3. when the elevator is in failure, the trapped people in the elevator can send distress signals to the outside through an alarm button in the elevator car, meanwhile, the alarm button can also control the opening and closing valve of the oxygen bottle to be opened, most of the oxygen in the oxygen bottle flows into the elevator car through the oxygen guide pipe to supply oxygen, and a small part of the oxygen in the oxygen bottle flows through the oxygen guide pipe and the oxygen branch pipe, when the oxygen reaches the oxygen branch pipe, promote the piston lockpin in the oxygen branch pipe, (generally all be in the quiescent position after the elevator trouble, go up fixed ventilating board and the activity ventilating board in air inlet portion and the lower air inlet portion are in laminating sealed position) this moment the piston lockpin gets into in the blind hole of activity ventilating board, pins the activity ventilating board, makes elevator car can only the air-out can not the air inlet, and the elevator has oxygen cylinder input oxygen always, makes in the elevator car always be in the malleation oxygen suppliment state, can also prevent effectively that external gas and smoke and dust from getting into in the elevator car.
Preferably, the air inlet portion is provided with reset spring down, and this reset spring one end is fixed on the air outlet lid, and one end is fixed on the inner wall on the outer edge of air outlet, is favorable to the reseing of air outlet lid, makes air outlet lid and exhaust vent outer edge laminating simultaneously sealed better.
Preferably, the air outlet cover is hinged to the outer edge of the air outlet, and the area of the air outlet cover is more than or equal to 1.1 times of the area of the outer edge of the air outlet, so that the outer edge of the air inlet can be completely covered; the radius of the outer edge of the air inlet is more than or equal to 1.1 times of the radius of the upper air inlet and the lower air inlet, and the sealing spring is favorably installed.
Preferably, a divergent circular table surface is arranged at one end of the oxygen conduit in the car, so that the oxygen in the oxygen bottle can be diffused into the car more quickly.
Preferably, in order to achieve a better dust removal effect on the filter layer, a dust blowing duct is provided which is inclined towards the filter layer.
Preferably, be provided with the rubber layer in the one side of air outlet lid and the outer edge laminating of air outlet, guarantee air outlet lid that can be better does not enter the air.
Preferably, the filtering layer is provided with a filtering wire net at one end far away from the fixed ventilation board, so that floccules can be filtered out of the filtering layer, and meanwhile, the strength of the filtering layer is increased.
Preferably, in order to save materials and reduce costs while ensuring appropriate strength and rigidity, a fixed ventilation board and a movable ventilation board made of a plastic board, a foam board, an aluminum alloy, or a wood board are provided.
Preferably, the alarm switch is used for controlling a valve switch for opening the oxygen cylinder and the alarm, so that a rescue signal can be sent to the outside at the first time, and oxygen is provided for the elevator car.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the upper air intake part of the present invention;
FIG. 4 is a schematic view of the upper inlet portion of the present invention in a normal state;
FIG. 5 is a schematic view of a fixed ventilation board of the present invention;
FIG. 6 is a schematic view of a movable ventilation board of the present invention;
FIG. 7 is a normal front view of the vent cover according to the present invention;
FIG. 8 is a front view of the vent cover of the present invention;
FIG. 9 is a top view of the outer edge of the air outlet of the present invention;
FIG. 10 is a cross-sectional view of the outer edge of the outlet of the present invention;
fig. 11 is a schematic mechanism diagram of the lower air outlet portion of the present invention.
The main reference symbols in the drawings are as follows:
1. a car body; 2. the air guide outer side wall of the lift car; 3. a bottom vent panel; 4. a vent hole; 5. an oxygen cylinder;
6. an upper air inlet part; 61. fixing a ventilation board; 62. a movable ventilation board; 63. a filter layer; 64. a closing spring; 65. an oxygen branch pipe; 66. a piston lock pin; 67. the outer edge of the air inlet; 68. a dust blowing duct;
7. an upper air outlet part; 71. an air outlet cover; 72. the outer edge of the air outlet;
8. a lower air inlet part;
9. a lower air outlet part; 91. a return spring.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the air guide device is mounted on a car body 1 and comprises an upper air inlet part 6, a lower air inlet part 8, an upper air outlet part 7, a lower air outlet part 9, a car air guide outer side wall 2 and a bottom ventilation plate 3, wherein the car air guide outer side wall 2 and the bottom ventilation plate are mounted on two sides of the car body 1, a plurality of ventilation holes 4 are formed in the side wall of the car body 1, and the total area of the ventilation holes 4 is larger than one tenth of the area of the side wall of the car body 1; the car air guide outer side wall 2, the bottom ventilating plate 3 and the car body 1 form a ventilating interlayer, the car air guide outer side wall 2, the bottom ventilating plate 3 and the car body 1 are connected through a partition plate, and the length direction of the partition plate is the same as the air flowing direction; an upper air inlet and an upper air outlet are arranged above the car body 1, a lower air inlet and a lower air outlet are arranged on the bottom ventilating plate, and the upper air inlet, the lower air inlet, the upper air outlet and the lower air outlet respectively correspond to an upper air inlet part 6, a lower air inlet part 8, an upper air outlet part 7 and a lower air outlet part 9. The oxygen cylinder 5 is fixed above the car body 1, and the alarm switch is arranged in the car and is used for controlling a valve switch and an alarm for opening the oxygen cylinder 5; an oxygen guide pipe on the oxygen cylinder 5 penetrates into the lift car, and one end of the oxygen guide pipe in the lift car is a divergent circular table top.
As shown in fig. 3 and 4, the upper air inlet portion 6 and the lower air inlet portion 8 each include an air inlet outer edge 67, a fixed ventilation plate 61, a movable ventilation plate 62, a filter layer 63, a closing spring 64, an oxygen branch pipe 65, a piston lock pin 66, and a dust blowing duct 68. The outer edge 67 of the air inlet is fixed on the periphery of the upper air inlet and the lower air inlet, the fixed ventilating plate 61 is fixed in the outer edge 67 of the air inlet, the movable ventilating plate 62 is positioned on the air inlet side of the fixed ventilating plate 61, the filter layer 63 is fixed on the air inlet side of the fixed ventilating plate 61, the filter layer 63 is preferably made of filter cotton, and the pore of a filter wire mesh of the filter layer 63 at one end far away from the fixed ventilating plate 61 is 1 mm; one end of each of the plurality of closed springs 64 is fixed to the movable ventilation board 62, and the other end is fixed to the car body 1 (the closed spring 64 in the upper air inlet portion is mounted on the car body 1, and the closed spring 64 in the lower air inlet portion is mounted on the bottom ventilation board 3), and the closed springs 64 make the movable ventilation board 62 and the fixed ventilation board 61 attached to each other in a normal state; one end of the oxygen branch pipe 65 is connected to the oxygen guide pipe, the other end of the oxygen branch pipe penetrates through the outer edge 67 of the air inlet, the piston lock pin 66 is positioned in the end part of the oxygen branch pipe 65, the movable ventilation plate 62 is provided with a blind hole corresponding to the piston lock pin 66, and the piston lock pin 66 is used for locking the movable ventilation plate 62 attached to the fixed ventilation plate 61 after being pushed into the blind hole by oxygen; one end of the dust blowing duct 68 penetrates the outer edges of the air inlets of the upper air outlet portion and the lower air outlet portion, the other end of the dust blowing duct 68 penetrates the outer edges of the air inlets of the upper air inlet portion and the lower air inlet portion, the penetrating positions of the upper air inlet portion and the lower air inlet portion are located between the fixed ventilation plate 61 and the filter layer 63, and the dust blowing duct 68 is obliquely arranged towards the filter layer 63.
As shown in fig. 5 and 6, the openings or through holes of the movable ventilation board 62 and the fixed ventilation board 61 are not communicated when the fixed ventilation board 61 is attached to the movable ventilation board 62, the fixed ventilation board 61 and the movable ventilation board 62 are preferably foam boards, the thickness of the foam board is preferably 5mm, in the embodiment, the movable ventilation board 62 is preferably a 70-degree three-piece louver board, and the fixed ventilation board 61 is preferably a 60-degree three-piece louver board.
As shown in fig. 7 and 8, the upper air outlet portion 7 and the lower air outlet portion 9 include an air outlet cover 71 and an air outlet outer edge 72, the air outlet outer edge 72 is located at the periphery of the upper air outlet and the lower air outlet, and the air outlet cover 71 covers the air outlet outer edge 72 after being turned over.
As shown in fig. 9 and 10, the air outlet outer edge 72 is divided into a semi-closed air collection chamber and a through air outlet outer edge, one end of the dust blowing duct 68 is connected to the air outlet outer edge 72 on one side of the air collection chamber, and the air collection chamber is formed by sealing a partition plate and a bottom plate.
As shown in fig. 11, the upper air-out portion 7 and the lower air-out portion 9 have the same structure, and the difference is that the lower air-out portion 9 is further provided with a return spring 91, one end of the return spring 91 is fixed on the air-out cover 71, and the other end is fixed on the inner wall of the air-out outer edge 72, a rubber layer is attached to the surface where the air-out cover 71 and the air-out outer edge 72 are attached, the air-out cover 71 is hinged on the air-out outer edge 72, the air-out cover 71 and the air-out outer edge 72 are attached and sealed in a normal state, and the area of the air-out cover 71 is preferably 1.1 times the area of the air-out outer edge 72.
In conclusion, the cross section area of the inside of the elevator car and the outside air circulation is large, so that the air circulation of the elevator car is facilitated, and the resistance applied to the elevator car during operation can be reduced; the filter layers in the upper air inlet part and the lower air inlet part can filter air in a one-way mode when air enters, the upper air outlet part and the lower air outlet part can blow dust to the filter layers of the upper air inlet and the lower air inlet through the dust blowing branch pipes respectively, dust is blown out from the opposite direction of the air inlet, and the filter efficiency of the filter layers is kept while the air enters for filtering; when the elevator breaks down, through pressing the alarm switch in the elevator car, can open the ooff valve of oxygen cylinder and supply oxygen in to the car, utilize partly oxygen of oxygen pipe to promote the piston lockpin simultaneously, pin the movable ventilation board of laminating with fixed ventilation board, prevent inside oxygen toward outside diffusion, make in the car be in the state of malleation oxygen suppliment always.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides an elevator ventilation filter equipment installs on car main part, its characterized in that: the air conditioner comprises an upper air inlet part, a lower air inlet part, an upper air outlet part, a lower air outlet part, a car air guide outer side wall and a bottom ventilating plate, wherein the car air guide outer side wall is arranged outside a car body;
the upper air inlet part and the lower air inlet comprise an air inlet outer edge, a fixed ventilating plate, a movable ventilating plate, a filtering layer, a sealing spring, an oxygen branch pipe, a piston lock pin and a dust blowing guide pipe, the air inlet outer edge is fixed on the periphery of the upper air inlet and the lower air inlet, the fixed ventilating plate is fixed in the air inlet outer edge, the movable ventilating plate is positioned on the air inlet side of the fixed ventilating plate, the movable ventilating plate and the fixed ventilating plate are respectively provided with an opening or a through hole, and the filtering layer is fixed on the air inlet side of the fixed ventilating plate; one end of each of the closed springs is fixed on the movable ventilating plate, and the other end of each of the closed springs is fixed on the car main body; the oxygen branch pipe penetrates through the outer edge of the air inlet, the piston lock pin is positioned in the end part of the oxygen branch pipe, a blind hole corresponding to the piston lock pin is formed in the movable ventilating plate, and the piston lock pin is pushed into the blind hole and used for locking the movable ventilating plate attached to the fixed ventilating plate; one end of the dust blowing guide pipe penetrates through the outer edges of the air inlets of the upper air inlet part and the lower air inlet part, one end of the dust blowing guide pipe is connected to the outer edges of the air outlets of the upper air outlet part and the lower air outlet part, the position where the upper air inlet part and the lower air inlet part penetrate is located between the fixed ventilation plate and the filter layer, and the dust blowing guide pipe is obliquely arranged towards the filter layer;
the upper air outlet part and the lower air outlet part both comprise air outlet covers and air outlet outer edges, the air outlet outer edges are positioned on the peripheries of the upper air outlet and the lower air outlet, and the air outlet covers cover the air outlet outer edges after being turned over; the outer edge of the air outlet is divided into a semi-closed air collecting cavity and a through outer edge of the air outlet, one end of the dust blowing guide pipe is connected to the outer edge of the air outlet on one side of the air collecting cavity, and the air collecting cavity is formed by sealing a partition plate and a bottom plate;
an oxygen cylinder is further arranged above the car main body, an alarm switch is arranged in the car, an oxygen guide pipe is arranged on the oxygen cylinder, the oxygen guide pipe penetrates into the car, and the other end of the oxygen branch pipe is connected to the oxygen guide pipe;
the opening or the through hole is not communicated when the fixed ventilating plate is attached to the movable ventilating plate, and the total area of the ventilating holes is larger than one tenth of the area of the side wall of the car main body 1.
2. An elevator ventilation filtration device as defined in claim 1, wherein: go up the air-out portion the same with the structure of air-out portion down, the difference lies in that air-out portion still is equipped with reset spring down, reset spring one end is fixed on the air outlet lid, and one end is fixed on the inner wall on the outer edge of air outlet.
3. An elevator ventilation filtration device as defined in claim 1, wherein: the air outlet cover is hinged to the outer edge of the air outlet, the area of the air outlet cover is larger than or equal to 1.1 times of the area of the outer edge of the air outlet, and the radius of the outer edge of the air inlet is larger than or equal to 1.1 times of the radius of the upper air inlet and the lower air inlet.
4. An elevator ventilation filtration device as defined in claim 1, wherein: one end of the oxygen guide pipe in the elevator car is provided with a divergent circular table surface.
5. An elevator ventilation filter assembly as defined in claim 1 wherein: and a rubber layer is arranged on one surface of the air outlet cover, which is attached to the outer edge of the air outlet.
6. An elevator ventilation filtration device as defined in claim 1, wherein: one end of the filtering layer far away from the fixed ventilating plate is provided with a filtering wire mesh.
7. An elevator ventilation filtration device as defined in claim 1, wherein: the fixed ventilating plate and the movable ventilating plate are plastic plates, foam plates, aluminum alloys or wood plates.
8. An elevator ventilation filter assembly as defined in claim 1 wherein: the alarm switch is used for controlling a valve switch and an alarm for opening the oxygen cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110052592.1A CN112811283B (en) | 2021-01-15 | 2021-01-15 | Ventilation filter device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110052592.1A CN112811283B (en) | 2021-01-15 | 2021-01-15 | Ventilation filter device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112811283A CN112811283A (en) | 2021-05-18 |
| CN112811283B true CN112811283B (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110052592.1A Active CN112811283B (en) | 2021-01-15 | 2021-01-15 | Ventilation filter device for elevator |
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| CN (1) | CN112811283B (en) |
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| CN105775963A (en) * | 2014-12-18 | 2016-07-20 | 天津利腾航空科技有限公司 | Elevator with good ventilation |
| CN106288116A (en) * | 2016-08-29 | 2017-01-04 | 天津利福特电梯部件有限公司 | Rapid aeration device in elevator |
| WO2020006876A1 (en) * | 2018-07-06 | 2020-01-09 | 苏州福特美福电梯有限公司 | Elevator car having good ventilation performance |
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| CN107089575A (en) * | 2015-05-08 | 2017-08-25 | 苏州鱼得水电气科技有限公司 | The device of live ladder self-cleaning function |
| CN208994915U (en) * | 2018-11-21 | 2019-06-18 | 杨斌 | A kind of elevator ventilation device |
| CN209744583U (en) * | 2019-01-17 | 2019-12-06 | 苏州菲优特空气净化设备有限公司 | Air inlet mechanism for air purification system |
| CN210064813U (en) * | 2019-03-18 | 2020-02-14 | 江西制造职业技术学院 | Emergency ventilation device in elevator |
| CN209906151U (en) * | 2019-04-10 | 2020-01-07 | 康达电梯有限公司 | Elevator car ventilation unit |
| CN211078091U (en) * | 2019-07-25 | 2020-07-24 | 康达电梯有限公司 | Residential building elevator with fresh air ventilation system |
| CN211078095U (en) * | 2019-08-14 | 2020-07-24 | 际泰(上海)机电设备工程有限公司 | High-efficient ventilation structure of elevator |
| CN110526087A (en) * | 2019-09-27 | 2019-12-03 | 法斯特电梯有限公司 | A kind of lift car convenient for ventilation |
| CN211225950U (en) * | 2019-10-15 | 2020-08-11 | 天津维亚电梯配件有限公司 | Ventilation ceiling structure of elevator |
| CN211444652U (en) * | 2020-01-10 | 2020-09-08 | 浙江威尔金森电梯有限公司 | Ventilation elevator |
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2021
- 2021-01-15 CN CN202110052592.1A patent/CN112811283B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105775963A (en) * | 2014-12-18 | 2016-07-20 | 天津利腾航空科技有限公司 | Elevator with good ventilation |
| CN106288116A (en) * | 2016-08-29 | 2017-01-04 | 天津利福特电梯部件有限公司 | Rapid aeration device in elevator |
| WO2020006876A1 (en) * | 2018-07-06 | 2020-01-09 | 苏州福特美福电梯有限公司 | Elevator car having good ventilation performance |
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| CN112811283A (en) | 2021-05-18 |
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