CN113666229A

CN113666229A - Elevator fresh air regulation and control system

Info

Publication number: CN113666229A
Application number: CN202010432946.0A
Authority: CN
Inventors: 杨立群; 杨天天; 杨婷婷婷
Original assignee: Guangzhou Zhihuijia Cultural Transmission Co ltd
Current assignee: Guangzhou Zhihuijia Cultural Transmission Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-11-19

Abstract

The invention provides an elevator fresh air regulation and control system, which comprises an elevator shaft, a car and a fresh air introduction and quality regulation and control device, wherein the shaft is provided with a lower air inlet and an upper air outlet, so that the source and the circulation of fresh air in the shaft are fundamentally solved; an upper induced air type scheme which overcomes the defects that the shaft of the lower air inlet cannot be solved in subways, shopping malls, sightseeing and the like is also provided; the upper part and the lower part of the cage are provided with one-way air inlet and outlet devices, so that the flow in the cage is changed into three-dimensional comprehensive circulation above the cage, below the cage and inside and outside the cage; the bidirectional air inlet box of the button area is also solved, and the directional new wind dispersion and improvement on virus propagation in the button area with the highest contact are ensured; and overcomes the 'new crown epidemic situation' to reform the original old lift car, and provides a simple construction method of PVC elbows and round pipes which are easily bought in the market, so that the most closed building space of people finally gets through the wall barrier which breathes together with the nature.

Description

Elevator fresh air regulation and control system

Technical Field

The invention relates to the field of building design, in particular to elevator facilities of residential buildings, office buildings, public buildings such as subways and shopping malls, and particularly provides and solves main supporting facilities and methods for ventilation and sterilization of the whole elevator system.

Background

At present, aiming at the trend that more than six layers of resident houses are additionally provided with elevators in China, however, all elevators for life and production are processed in the closed elevator shaft and the closed elevator car without considering air circulation and fresh air supply in the elevator shaft and the elevator car even though a few of elevator cars have air-conditioning temperature and fan blowing airflow, and the closed source is not broken through from the whole to solve fresh air circulation beneficial to human health, in order to rapidly solve the blind spots and the difficulties, besides a newly-produced elevator shaft and a newly-built elevator shaft, a set of rapid, convenient, economic and practical schemes need to be invented to reform and perfect a large number of existing old systems, and the following invention scheme is provided for leading fresh and reasonable air resources to the last dead corner wall of a closed space:

disclosure of Invention

The invention firstly solves the problem of large environment fresh air supply of a root wind source of an elevator shaft, and then is a whole set of natural fresh air circulation and artificial fresh air regulation and control systematic scheme for perfecting and improving a small space air circulation facility in a car and supplementing fresh air.

The large environment fresh air supply method is characterized in that a lower air inlet and an upper air outlet are additionally arranged in the upper space and the lower space of the existing elevator shaft, so that the air source of the elevator shaft is taken from outdoor fresh air.

For the underground space without outdoor air inlet pipes, one or two upper air guide pipelines can be additionally arranged at the corner positions inside the shaft, so that the mode of circulating the lower fresh air is changed into the mode of circulating the upper fresh air.

The air circulation of the elevator car mainly refers to a product when a body is newly manufactured, firstly, three sides of the lower surface of a car top cover except an access door are provided with ventilation and light-transmitting hole belts, then an upward air inlet scraper is added to the outer side of a car wall, the upper edge of a width-limited dustproof edge turned up at the lower part of the car is also provided with three-circumference ventilation and light-transmitting hole belts, and an air inlet scraper in the opposite direction is added.

And air quality control systems such as a strip-shaped negative ion generator, an ultraviolet sterilizing lamp tube, an aromatic tube and the like are arranged at corresponding positions.

The invention has the beneficial effects that: 1. the blind points and the difficult points of fresh air regulation and control of all elevator shafts and lift cars are comprehensively proposed and solved, so that the healthy dead corners of vertical traffic of living and production buildings can be valued and solved from the beginning, and the method has epoch-making property; 2. the improvement of the original well and the car body, as well as the new construction and the new construction provide the scheme of saving cost and easy implementation, not only solves the problem of local flow, but also fundamentally solves the circulation of large environment, and leads natural air resources to break through the sealing and the obstruction of artificial environment, thereby being close to the needs of healthy life of people; 3. particularly, for the transformation of the original cage, a scheme for quickly constructing from the inside to the outside of the cage body is provided, the difficult problem that no construction space exists outside the cage body and the difficult problem of maintenance are avoided, and the method is more time-efficient for the epidemic prevention condition of the current time of life robbing; 4. by using the motive power of the up-and-down lifting of the lift car and through the upper and lower diversion scrapers or the elbows with directional air guiding, the fresh air exchange effect of automatic up-and-down flowing can be realized without special electric power, so that the energy is saved, the emission is reduced, and the environment is protected and healthy; 5. by the configuration of the ultraviolet germicidal lamp, the negative ion generator and the aromatic tube at the air inlet of the shaft and the air inlet of the lift car, the improvement of beneficial health factors of fresh air is comprehensively solved from the whole and in a short distance by using a simple and easy maintenance method and setting, and the perfect combination of a natural fresh air system and an artificial fresh air system is realized; 6. the invention has long-term practical value for removing and improving the bad air such as a lot of people, smoking, wine gas, body gas, medicinal smell and the like in the lift car after the coronavirus pneumonia is cured.

Drawings

Fig. 1 is a schematic diagram of a newly built hoistway ventilation system in an embodiment of the invention;

FIG. 2 is a perspective view of the lower portion of the hoistway with the original air supply and exhaust duct connectable in the embodiment of the present invention;

FIG. 3 is a perspective view of a newly installed pull-up type pipe in a well in which an original well pipe cannot be externally connected with a fresh air source according to an embodiment of the present invention;

FIG. 4 is a perspective view of an embodiment of the present invention in the form of an upper draft duct;

FIG. 5 is a schematic view of a fresh air flow structure of the car in an embodiment of the invention;

fig. 6 is a top view of the usable walls around the car in an embodiment of the present invention;

fig. 7 is a perspective view of the bidirectional wind guiding box according to the embodiment of the present invention;

FIG. 8 is a perspective view and a schematic view of a single-direction air inlet elbow according to an embodiment of the present invention;

FIG. 9 is a perspective view of an in-compartment positioning ferrule of an embodiment of the present invention;

figure 10 is an assembled perspective view of an elbow according to an embodiment of the present invention;

figure 11 is a schematic view of an elbow installation in an embodiment of the invention;

FIG. 12 is a perspective view of the circular tube with bidirectional air intake in the embodiment of the present invention;

FIG. 13 is a schematic view of a bi-directional circular air intake duct according to an embodiment of the present invention;

FIG. 14 is an assembly view of the two-way round air intake pipe according to the embodiment of the present invention;

FIG. 15 is a front view of the combined cover of the two-way circular air intake pipe according to the embodiment of the present invention;

fig. 16 is a perspective view of an old car quick-loading ventilating device in an embodiment of the invention.

The reference numbers illustrate:

(100) an elevator hoistway; (101) an air inlet; (102) an air outlet; (103) fresh air outdoors; (104) an air inlet pipe; (105) an exhaust fan; (106) a hoistway cross section; (107) a rat-proof net; (108) a negative ion generator; (109) an ultraviolet sterilization device; (110) the well cover air outlet; (111) a connecting pipe; (112) a remote induced draft pipe; (113) a fresh air processing system; (114) a remote exhaust duct; (115) the bottom of the upper induced draft pipe; (116) the upper part of the upper induced draft pipe; (117) an upper part of the shaft; (118) the middle part of the shaft; (119) sinking the shaft to the bottom; (120) a hoistway corner position; (121) a square pipe; (122) a fan-shaped pipeline; (123) pentagonal tubing; (124) a circular pipe; (125) the original exhaust pipe; (126) the original air inlet pipe mouth; (127) the original air supply pipeline; (128) and an upper draught pipeline.

(200) An elevator car; (201) an upper part of the cage; (202) an upward air inlet scraper plate; (203) a downward air inlet scraper plate; (204) a button plate; (205) a car left wall; (206) a right car wall; (207) a car rear wall; (208) a negative ion generator; (209) a germicidal lamp tube; (210) the floor is limited in width and dustproof edge; (211) a three-circumference ventilation and light-transmission perforated belt on the carriage; (221) a ventilation and light transmission perforated belt is arranged below the compartment in the three-circumference mode; (212) a lower part of the cage; (213) an upstream air flow movement line; (214) a downward air flow movement line.

(300) A bidirectional air intake box; (301) a toothed side plate; (302) fixing the air deflector; (303) a bidirectional air deflector; (304) a fragrance tube; (305) an ultraviolet sterilization tube; (306) a cartridge housing; (307) a tooth tip; (308) a bidirectional air deflector fulcrum; (309) tooth tip spacing; (310) the tooth height; (311) a tooth bevel edge; (312) the fixed edge of the box body.

(320) Bending the opening; (321) a unidirectional air guide elbow; (322) a joint edge ring; (323) an original bent joint; (324) connecting the connector; (325) mounting a bayonet; (326) and a lower bayonet.

(327) Positioning clamping sleeves in the carriage; (328) fixing the tube edge; (329) positioning the small hole; (330) fixing the sides of the carriage; (331) a fixed compartment positioning small hole; (332) sleeving a clamping groove; (333) sleeving a lower clamping groove; (334) a sterilizing tube; (335) a fragrance box.

(341) A bidirectional induced draft pipe; (342) a wind guiding angle; (343) a bidirectional air inlet guide vane; (344) the width of the wind guide sheet; (345) an ultraviolet germicidal lamp; (346) the flat end of the air inlet pipe; (347) a fragrance box; (348) a wind guide angle bevel edge; (349) the length of the air guide sheet; (350) and (4) clamping the sterilizing pipe.

(351) The bidirectional air inlet pipe is combined with the outer cover.

(352) The upward unidirectional air guide elbow is combined with the outer side of the compartment wall; (353) the downward unidirectional air guide elbow is combined with the outer side of the compartment wall; (354) the inner side of the upward unidirectional air guide elbow combined compartment wall; (355) the downward unidirectional air guide elbow is combined with the inner side of the compartment wall; (356) the bidirectional air inlet circular pipe is combined with the inner side of the compartment wall; (357) the bidirectional air inlet circular pipe is combined with the outer side of the compartment wall.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings, which may be embodied in various forms and should not be construed as limited to the embodiments set forth herein.

The invention firstly solves the problem of large environment fresh air supply of a root wind source of an elevator hoistway (100), and then the whole set of natural fresh air circulation and artificial fresh air regulation and control systematic scheme for perfecting and improving a small space air circulation facility in a car (200) and supplementing a fresh air device (300) is adopted.

Referring to fig. 1, the large environment fresh air supply is to additionally provide a lower air inlet (101) and an upper air outlet (102) in the upper and lower spaces of the existing elevator hoistway (100), so that the air source of the elevator hoistway (100) is the outdoor fresh air (103), the air inlet and the air outlet can be additionally provided with an air inlet pipe (104), or a clean air exhaust fan (105), an insect and rat prevention fence (107), a negative ion generator (108), an ultraviolet sterilization device (109) and a series of artificial fresh air processing systems (113) such as ultrasonic waves can be arranged in front of an air exhaust connection pipe (111) and the air inlet pipe (104); the sizes of the ventilation calibers of the upper exhaust opening (102) and the lower air inlet (101) are related to the size of a shaft section (106) and the running speed of the air purifying exhaust fan (105), so that the effect of ensuring good fresh air circulation of the shaft is achieved, and a healthy fresh air source which breathes together with the nature is solved from the source.

Referring to fig. 2, if the elevator shaft bottom (119) is arranged in underground spaces such as subways and shopping malls, the original air inlet pipe opening (126) of the underground layer can be found and then communicated with the original air supply pipeline (127) by the connecting pipe (111) or the additionally arranged remote air guiding pipe (112) and the remote exhaust pipe (114) and the new air processing system (113) and the exhaust fan (105) are matched, and the well cover air outlet (110) is communicated with the original exhaust pipe (125) through the connecting pipe (111), so that the original public facilities are fully utilized, and the investment for additionally excavating underground projects is saved.

Referring to fig. 3 and 4, the sinking bottom (119) of the elevator shaft is arranged in an underground space without an outdoor air inlet pipe, one or two upper air guide pipelines (128) can be additionally arranged at corner positions (120) inside the shaft, the cross sections of the upper air guide pipelines can be square (121), fan-shaped (122), pentagonal (123), round pipe-shaped (124) and the like, and the exhaust fans (105) and the anion generator (108) and the ultraviolet sterilization device (109) and the like of the upper air guide pipelines can be arranged at the sinking bottom (119), the middle part (118) or the upper part (117) of the shaft and other sections which are convenient to manage and maintain, so that the lower inlet air is changed into an upper guide air flow mode, and the shaft corner positions (120) are fully utilized, so that the large investment and the construction difficulty and progress of excavating an underground air inlet can be saved.

Referring to fig. 5 and 6, the air circulation of the elevator car (200) mainly refers to a product when a body is newly manufactured, firstly, a ventilation and light-transmission hole belt (211) is arranged on a left wall (205), a right wall (206) and a rear wall (207) of the three circumferences below a car top cover (201), then an upward air inlet scraper (202) is added on the corresponding outer side of the car walls (205), (206) and (207), a ventilation and light-transmission hole belt (221) of the three circumferences below the car is also arranged on the upper edge of a width-limited dustproof edge (210) turned up at the lower part (212) of the car, and an air inlet scraper (203) in the opposite direction is added on the corresponding outer side, so that a closed car space has air flow of air above and below the three circumferences and is more rich in circulation vitality of accepting new lives, not only the ventilation and air exchange artificial energy is saved by utilizing the principle of natural air flow from top to bottom, but also when the car stops being used, the upper and lower ventilation and light-transmission hole belts (211) and the air transmission hole belts, (221) The natural flow in the well and the lift car can still be enabled to play the energy-saving effect.

Referring to fig. 5 and 6, the three-circumference ventilation and light transmission hole belt (211) on the car and the three-circumference ventilation and light transmission hole belt (221) under the car are respectively provided with an upper wind scraping sheet (202) and a lower wind scraping sheet (203) corresponding to the three-car wall positions of the left wall (205), the right wall (206) and the rear wall (207) of the car, and air quality control systems such as a strip-shaped anion generator (208) and a germicidal lamp tube (209) are arranged at the positions corresponding to the wind scraping sheets, so that the optimal combination of natural fresh air and artificial scientific fresh air control is realized.

Referring to fig. 7, the bidirectional air inlet box (300) is constructed by installing the car walls (205) and (206) arranged at the corner positions corresponding to the button plates (204) in the middle of the elevator car (see fig. 6); the bidirectional air inlet box (300) consists of two symmetrical toothed side plates (301), a movable bidirectional air deflector (303), a fixed air deflector (302), an aromatic tube (304), an ultraviolet germicidal lamp tube (305) and a box shell (306); the tooth tops (307) of the two tooth-shaped side plates (301) symmetrical to the bidirectional air inlet box body are 90-degree isosceles right triangles, the small hole for placing the movable bidirectional air deflector (303) is a bidirectional air deflector supporting point (308), and the distance (309) between every two adjacent tooth tops (307) is 2 times of the tooth height (310); the length of the movable bidirectional air deflector (303) is longer than that of the tooth bevel edge (311), and the movable bidirectional air deflector can collide with the fixed air deflector (302) to determine the activity amplitude; the tooth-shaped box body (300) is composed of two tooth-shaped side plates (301), a main body is formed by connecting fixed air deflectors (302) between the two tooth-shaped side plates, the outer edge of each non-tooth is a box body fixed edge (312) with a right angle of 90 degrees, and vacant grooves (338) and (339) for placing the aromatic tube (304) and the ultraviolet sterilizing lamp tube (305) are reserved on the outer side of each fixed air deflector (302); the width of the bidirectional air deflector (303) is slightly narrow so as to be convenient for loosening; the ultraviolet germicidal lamp tube (305) and the aromatic tube (304) are arranged in the front space of the fixed air deflector (302); finally, the box shell (306) is covered, the number of tooth tips is matched according to the length of the corresponding elevator button plate, the length of the air inlet box (300) and the length of the box shell (306) are determined according to the type number, and therefore the button plate (204) close to the respiratory tract position in the most closed activity space of people has an ideal air source for co-breathing with the nature.

The scheme of the novel elevator car fresh air regulation and control system after the epidemic situation is provided, and the scheme of the existing original car for emergency transformation is provided below.

Referring to fig. 8 to 16, the car scheme is that a commercially available PVC pipe is mainly used in the current market, an elbow (321) cuts an original elbow connector (323) to form an existing elbow opening (320), another connector edge ring (322) of the elbow is cut, an upper bayonet (325) and a lower bayonet (326) of a germicidal lamp slot are reserved in the existing connector (324) (see fig. 8), and then an in-compartment positioning sleeve (327) is arranged, a positioning small hole (329) on a fixed tube edge (328) of the positioning sleeve (327) needs to be close to an included angle position of a fixed compartment wall edge (330), and a positioning small hole (331) on the compartment wall edge (330) needs to be close to the outside as much as possible; the positioning cutting sleeve (327) is positioned at the diameter position of the fixed tube side (328), and an upper clamping groove (332) and a lower clamping groove (333) of the sterilizing tube (334) are reserved (see fig. 9 and 10); after the in-box positioning clamping sleeve (327) and the air inlet elbow (321) are assembled, extending out of the compartment (206) from the compartment and mounted on the inside of the upper and lower walls of the compartment (see fig. 11 and 16), the port is mounted on the upper part of the compartment with the port facing upward, and the port is mounted on the lower part of the compartment with the port facing downward (see fig. 16), the direction change and alternation can solve the problems of up-down convection and one-in-one-out circulation and update generated when the elevator goes up and down, obtain living air which is disgorged and taken in new air and removed with turbidity and freshness, not only solve the problem of changing closed air into open air update, but also increase the direction sense of the elevator running up and down, and is convenient for old people, few people and blind people to improve the discrimination degree of the elevator riding direction, the elbow has strong air inlet and outlet directions, and replaces the air inlet scrapers (202) and (203) described in figure 5, so that the installation and maintenance are convenient for construction from the space in the existing car to the outside.

Referring to fig. 12-16, the car scheme more importantly aims at improving the air circulation and quality of the height of the button plate at the middle position in the car, a wind guide angle (342) which is cut into a 45-degree right-angled isosceles triangle by a PVC round pipe (341) extends out of the car wall (206), a flat section (346) is left in the car, a movable bidirectional air inlet guide sheet (343) is mounted in a tip wind guide angle (342) cut by the round pipe, the width (344) of the movable bidirectional air inlet guide sheet is slightly smaller than the inner diameter of the round pipe, the length (349) of the movable bidirectional air inlet guide sheet is larger than a bevel edge (348) (see fig. 13) of the tip wind guide angle, the bidirectional air inlet guide sheet (343) is flexibly mounted in the tube tip wind guide angle (342), strip openings with appropriate number are matched with the height of the button plate (fig. 5, 204) and then extend out of the car (206) from the inside, after the fixed, small aromatic boxes (347) are placed in the flat ends (346) by using the inner space of the flat ends (346), and sterilizing lamp tubes (345) are mounted in the circular groove (350) reserved through each flat end (346) See fig. 13 and 14), and finally, the corresponding outer cover (351) is integrally installed and protected according to the length selection (see fig. 15 and 16).

The scheme is an effective emergency method aiming at the existing epidemic situation and is convenient for general technicians to operate easily.

The fresh air regulation and control system of the elevator is suitable for any range in public vertical transportation and production facilities such as residential buildings, office buildings, hotels, shopping malls, tourist projects and the like.

The above-described preferred embodiments may be modified and improved in various ways without departing from the principle of the present invention, and such modifications are also within the scope of the present invention.

Claims

1. An elevator fresh air regulation and control system is characterized by comprising an elevator shaft (100), an elevator car (200), a bidirectional air inlet device and a fresh air processing device (300).

2. The elevator hoistway (100) of the elevator fresh air control system according to claim 1, wherein the lower part of the hoistway is provided with an air inlet (101) which is provided with a series of artificial fresh air processing systems (113) such as a rat-proof fence (107), an exhaust fan (105), a negative ion generator (108), an ultraviolet sterilization device (109), ultrasonic waves and the like; the top of the shaft is provided with a shaft air outlet (110) and an exhaust connecting pipe (111).

3. The elevator hoistway (100) of the elevator fresh air control system according to claim 1, wherein the lower part of the hoistway is provided with an air inlet (101), and a special remote induced air pipe (112) is additionally arranged or an original air supply pipe opening (126) is connected; a ratproof grid (107), an exhaust fan (105), a negative ion generator (108) and an ultraviolet sterilization device (109) are arranged; the air outlet (110) of the hoistway is connected with the original exhaust duct (125) or is additionally provided with a remote exhaust duct (114).

4. The elevator hoistway (100) of claim 1, wherein the hoistway without an external draft air inlet duct is characterized in that one or two upper draft ducts (128) can be added at a hoistway corner position (120), the cross section of each upper draft duct can be square (121), fan-shaped (122), pentagonal (123), circular tube-shaped (124) and the like, and their blowers (105) can be arranged at a hoistway sunken bottom (119), middle (118) or upper (117) section for easy management and maintenance, thereby changing the downward fresh air intake into an upward fresh air circulation mode.

5. The elevator car (200) of claim 1, wherein the ventilation is a product of a new manufactured body, the three sides of the bottom of the car roof (201) are provided with a three-cycle ventilation and light transmission hole belt (211) on the car, then an upward air intake scraper (202) is added on the outside of the car wall (206), the upper edge of the limited width dustproof edge (210) which is turned up at the lower part (212) of the car is also provided with a three-cycle ventilation and light transmission hole belt (221) under the car, and an air intake scraper (203) in the opposite direction is added.

6. The elevator car (200) of claim 5, wherein the three peripheries of the upper part (201) and the lower part (212) of the car are provided with an upper ventilating and light transmitting hole belt (211) and a lower ventilating and light transmitting hole belt (221), and the positions corresponding to the upper and lower wind scraping sheets (202), (203) of the three walls of the left wall (205), the right wall (206) and the rear wall (207) of the car are provided with a strip-shaped anion generator (208) and a sterilizing lamp (209).

7. The elevator car (200) of claim 5, wherein the car middle portion is mounted to the car wall (206) at a corner location corresponding to the button plate (204); the bidirectional air inlet box (300) consists of two symmetrical toothed side plates (301), a movable bidirectional air deflector (303), a fixed air deflector (302), an aromatic tube (304), an ultraviolet germicidal lamp tube (305) and a box shell (306); the tooth tops (307) of two tooth-shaped side plates (301) symmetrical to the bidirectional air inlet box body are 90-degree isosceles right triangles, a small hole for placing the movable bidirectional air deflector (303) is a bidirectional air deflector supporting point (308), and the distance (309) between every two adjacent tooth tops (307) is 2 times of the tooth height (310); the length of the movable bidirectional air deflector (303) is longer than that of the tooth bevel edge (311) and can collide with the fixed air deflector (302) to determine the activity amplitude; the tooth-shaped box body (300) is composed of two tooth-shaped side plates (301), a main body is formed by connecting fixed air deflectors (302) between the two tooth-shaped side plates, the outer edge of each non-tooth is a box body fixed edge (312) with a right angle of 90 degrees, and vacant grooves (338) and (339) for placing the aromatic tube (304) and the ultraviolet sterilizing lamp tube (305) are reserved on the outer side of each fixed air deflector (302); the width of the bidirectional air deflector (303) is slightly narrow so as to be convenient for loosening, and the ultraviolet sterilizing lamp tube (305) and the aromatic tube (304) are arranged in the front space of the fixed air deflector (302); finally, the box shell (306) is covered to match the number of tooth tips according to the length of the corresponding elevator button plate, and the length of the air inlet box (300) and the box shell (306) is determined by the type number.

8. The elevator car (200) of claim 1, wherein the old car is modified from PVC tubing, and the elbow (321) cuts off the original elbow connector (323) to form the existing elbow opening (320), then cuts off the elbow connector edge (322) to leave the upper bayonet (325) and the lower bayonet (326) of the germicidal lamp slot in the existing connector (324), and then fits the inner positioning ferrule (327) of the upper car; a positioning small hole (329) of a fixed tube side (328) of the positioning clamping sleeve (327) is close to the included angle position of a fixed compartment wall side (330), and a positioning small hole (331) on the compartment wall side (330) is close to the outside of the side as much as possible; an upper clamping groove (332) and a lower clamping groove (333) of the sterilizing tube (334) are reserved at the diameter position of the fixed tube side (328) of the positioning clamping sleeve (327); the in-compartment positioning clamping sleeve (327) and the air inlet elbow (321) are assembled and then extend out of the compartment (206) from the inside of the compartment and are installed on the inner sides of the upper wall and the lower wall in the compartment, the port is upward and then installed on the upper part of the compartment, and the port is downward if the port is installed on the lower part.

9. The elevator car (200) of claim 8 wherein the cusp (342) cut out of a 45 ° isosceles right triangle from a PVC circular tube (341) extends outside the car wall (206), the flat section (346) remains inside the car and is assembled according to how many bi-directional air inlet ducts match the length of the elevator button panel; a movable bidirectional air inlet guide sheet (343) is arranged in a pointed air guide angle (342) formed by cutting a circular tube, the width (344) of the bidirectional air inlet guide sheet is slightly smaller than the inner diameter of the circular tube, the length (349) of the bidirectional air inlet guide sheet is larger than a bevel edge (348) of the pointed air guide angle, the bidirectional air inlet guide sheet (343) is flexibly placed in the pointed air guide angle (342) of the circular tube, strip-shaped openings with proper quantity are matched with the button plate (204) according to the height of the button plate, then the button plate extends out of a compartment (206) in the compartment and is fixed, small aromatic boxes (347) are placed in the flat ends (346) after the button plate is fixed, ultraviolet germicidal lamp tubes (345) are arranged by using circular sterilizing lamp tube bayonets (350) reserved through the flat ends (346), and finally corresponding outer covers (351) are selected according to length and are integrally installed and protected.