CN112478974A - Safety elevator device with fire prevention function - Google Patents
Safety elevator device with fire prevention function Download PDFInfo
- Publication number
- CN112478974A CN112478974A CN202011440846.9A CN202011440846A CN112478974A CN 112478974 A CN112478974 A CN 112478974A CN 202011440846 A CN202011440846 A CN 202011440846A CN 112478974 A CN112478974 A CN 112478974A
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- elevator
- filter screen
- box
- fire prevention
- prevention function
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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
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
- B66B5/024—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system where the abnormal operating condition is caused by an accident, e.g. fire
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- 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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- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a safety elevator device with a fireproof function, and relates to the technical field of safety elevators. Including the elevator body, take a breath and dust fall mechanism, oxygen suppliment mechanism and purification mechanism, the top fixed mounting of elevator body has to take a breath and dust fall mechanism, the waist side fixed mounting of elevator body has oxygen suppliment mechanism and purification mechanism. This safety elevator device with fire prevention function, take a breath and dust fall mechanism through setting up, utilize three way fan can take out the inside air of elevator and outwards discharge, make the inside air of elevator obtain the circulation, the purpose of clean inside air has been reached, the water pump of deuterogamying passes through atomizer with the water in the water tank and contacts with the inside air of elevator with vaporific form, make the granule impurity in the air obtain drench and can carry out control to a certain extent to the inside intensity of a fire of elevator, make stranded personnel in the elevator can obtain temporary protection in order to provide the time of waiting for the rescue.
Description
Technical Field
The invention relates to the technical field of safety elevators, in particular to a safety elevator device with a fireproof function.
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.
In the prior art, the existing elevator has the defect of poor fireproof effect, when a building is in fire, people can never escape through the elevator, but when the fire occurs, people in the elevator miss the escape opportunity due to closed environment, and greater danger is possibly generated;
simultaneously when the inside fire of elevator, current fire prevention elevator can only block outside flame, then can't play the work of putting out by oneself when the inside fire source that produces of elevator, and the limitation is great.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a safety elevator device with a fireproof function comprises an elevator body, a ventilation and dust-settling mechanism, an oxygen supply mechanism and a purification mechanism, wherein the ventilation and dust-settling mechanism is fixedly installed at the top of the elevator body;
the air exchange and dust fall mechanism comprises an air exchange box, a three-way fan is fixedly installed on the inner wall of the air exchange box, two air inlet pipes are fixedly installed at the air inlet ends of the three-way fan, the bottom ends of the air inlet pipes extend to the inner side of the elevator body, a water tank is fixedly installed on the inner wall of the air exchange box, a water pump is fixedly installed at the bottom of the water tank, and the water tank is communicated with the atomizing nozzle through the water pump;
the purification mechanism comprises an air inlet box, a first filter screen, a second filter screen and a third filter screen are movably inserted into the inner wall of the air inlet box, and the right side of the air inlet box is communicated with the inside of the elevator body.
As a preferable technical scheme of the invention, the elevator body is connected with the oxygen supply mechanism and is provided with a hydraulic cylinder and a baffle mechanism, the top end of the hydraulic cylinder is fixedly provided with a baffle, and the baffle is positioned on the front side of an opening of the oxygen supply mechanism.
As a preferable technical scheme of the invention, a hose is fixedly mounted at the water outlet end of the water pump, the water outlet end of the hose extends into the atomizing nozzle, and an adjusting device is fixedly mounted at the bottom of the ventilation box.
As a preferred technical scheme of the present invention, the adjusting device includes an adjusting box, a motor is fixedly installed inside the adjusting box, a turntable is fixedly installed on an output shaft of the motor, a rotating rod is fixedly installed on the front side of the turntable, and an offset rod is rotatably connected to the inner wall of the adjusting box through a deflection shaft.
As a preferable technical scheme of the invention, a sliding opening is formed in the offset rod, the rotating rod is positioned in the sliding opening and is in sliding connection with the sliding opening, and an atomizing nozzle is fixedly installed at the bottom end of the offset rod.
In a preferred embodiment of the present invention, the oxygen supply mechanism includes a storage box, the storage box is fixedly mounted to an outer side of the elevator body, an oxygen supply mask is attached to an inner wall of the storage box, an oxygen tank is fixedly mounted to the oxygen supply mask through a pipe, and the oxygen tank is fixedly mounted to an inner wall of the storage box.
As a preferable technical scheme of the invention, sockets are arranged at the joints of the bottom ends of the first filter screen, the second filter screen and the third filter screen and the air inlet box, the first filter screen is an activated carbon filter screen, the second filter screen is a resin fiber woven screen, and the third filter screen is a photocatalyst filter screen.
As a preferable technical scheme of the present invention, pull rings are fixedly installed at top ends of the first filter screen, the second filter screen and the third filter screen, and the pull rings are located at a top of the air intake box.
Compared with the prior art, the invention provides a safety elevator device with a fireproof function, which has the following beneficial effects:
1. this safety elevator device with fire prevention function, take a breath and dust fall mechanism through setting up, utilize three way fan can take out the inside air of elevator and outwards discharge, make the inside air of elevator obtain the circulation, the purpose of clean inside air has been reached, the water pump of deuterogamying passes through atomizer with the water in the water tank and contacts with the inside air of elevator with vaporific form, make the granule impurity in the air obtain drench and can carry out control to a certain extent to the inside intensity of a fire of elevator, make stranded personnel in the elevator can obtain temporary protection in order to provide the time of waiting for the rescue.
2. This safety elevator device with fire prevention function, through setting up oxygen suppliment mechanism, when the proruption conflagration condition, pneumatic cylinder and baffle mechanism can open oxygen suppliment mechanism, make stranded personnel can take out the inside oxygen suppliment face guard of oxygen suppliment mechanism and wear, make oxygen cylinder accessible oxygen suppliment face guard to stranded personnel last the oxygen suppliment and handle, make the stranded personnel that are located elevator inside can obtain stable respiratory environment, avoided the inside condition that produces a large amount of dense smoke of elevator that catches fire can lead to passenger breathing difficulty, the problem that leads to the life to receive the threat because of breathing difficulty has been solved.
3. This safety elevator device with fire prevention function, through setting up purification mechanism, utilize three filter screen to filter step by step when external air gets into elevator inside, inside a plurality of air admission elevator bodies after purifying, provide clear air for stranded passenger, when keeping the interior air freshening of elevator, can make the circulation of air environment again, make the air circulate in order to take away hot air, reached gas circulation's purpose, when having reached the conflagration breaing out, stranded passenger provides clean and continuous endless air for in the elevator.
Drawings
Fig. 1 is a schematic view showing a structure of a safety elevator apparatus having a fire prevention function according to the present invention;
fig. 2 is a front sectional view of an elevator body structure of a safety elevator apparatus having a fire prevention function according to the present invention;
fig. 3 is a front sectional view of a ventilation box structure of a safety elevator apparatus having a fire prevention function according to the present invention;
fig. 4 is a front sectional view showing a structure of an adjustment box of a safety elevator apparatus having a fire prevention function according to the present invention;
fig. 5 is a sectional side view of a storage box structure of a safety elevator apparatus having a fire prevention function according to the present invention;
fig. 6 is a front sectional view of an air inlet box structure of a safety elevator device with a fire prevention function according to the present invention.
In the figure: 1. an elevator body; 2. a ventilation and dust fall mechanism; 3. an oxygen supply mechanism; 4. a purification mechanism; 5. a hydraulic cylinder and a baffle mechanism; 6. a ventilation box; 7. a three-way fan; 8. an air inlet pipe; 9. a water tank; 10. a water pump; 11. an adjustment device; 12. an atomizing spray head; 13. a hose; 14. an adjustment box; 15. a motor; 16. a turntable; 17. a rotating rod; 18. an offset lever; 19. a sliding port; 20. a yaw axis; 21. a storage box; 22. an oxygen supply mask; 23. pipe passing; 24. an oxygen tank; 25. an air intake box; 26. a first filter screen; 27. a second filter screen; 28. a third filter screen; 29. a pull ring; 30. photoelectric smoke detector.
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 to 6, a safety elevator device with a fire prevention function includes an elevator body 1, a ventilation and dust-settling mechanism 2, an oxygen supply mechanism 3 and a purification mechanism 4, the ventilation and dust-settling mechanism 2 is fixedly installed at the top of the elevator body 1, the oxygen supply mechanism 3 and the purification mechanism 4 are fixedly installed at the waist side of the elevator body 1, the oxygen supply mechanism 3 is located above the purification mechanism 4, and a photoelectric smoke detector 30 is fixedly installed on the inner wall of the elevator body 1.
Take a breath and dust fall mechanism 2 includes ventilation box 6, ventilation box 6's inner wall fixed mounting has three way fan 7, three way fan 7's air inlet end fixed mounting has two intake pipes 8, the bottom of intake pipe 8 extends to elevator body 1's inboard, ventilation box 6's inner wall fixed mounting has water tank 9, water tank 9's bottom fixed mounting has water pump 10, water tank 9 is linked together through water pump 10 and atomizer 12.
Through setting up take a breath and dust fall mechanism 2, utilize three way blower 7 can take out and outwards discharge the inside air of elevator, make the inside air of elevator obtain the circulation, the purpose of clean inside air has been reached, cooperate water pump 10 again to pass through atomizer 12 with the water in the water tank 9 with the inside air contact of vaporific form and elevator, make the granule impurity in the air obtain drench and can carry out control to a certain extent to the inside intensity of a fire of elevator, make stranded personnel in the elevator can obtain temporary protection in order to provide the time of waiting for the rescue.
The purification mechanism 4 comprises an air inlet box 25, a first filter screen 26, a second filter screen 27 and a third filter screen 28 are movably inserted into the inner wall of the air inlet box 25, and the right side of the air inlet box 25 is communicated with the inside of the elevator body 1.
Through setting up purification mechanism 4, utilize three filter screen to filter step by step when external air gets into the elevator inside, air after a plurality of purifications gets into elevator body 1 inside, provide clear air for stranded passenger, when keeping the interior air of elevator fresh, can make the circulation of air environment again, make the air circulate in order to take away hot air, reached gas circulation's purpose, when having reached the conflagration breaing out, provide clear and continuous endless air for stranded passenger in the elevator.
As a specific technical scheme of this embodiment, elevator body 1 is provided with pneumatic cylinder and baffle mechanism 5 with being connected of oxygen suppliment mechanism 3, and the top fixed mounting of pneumatic cylinder has the baffle, and the baffle is located the opening part front side of oxygen suppliment mechanism 3.
In this embodiment, the photoelectric smoke detector 30 is used to sense the fire in time, and the hydraulic cylinder and the baffle mechanism 5 are started through the elevator central control, so that the oxygen mask 22 in the oxygen supply mechanism 3 can be taken out by the user.
As a specific technical solution of this embodiment, a hose 13 is fixedly installed at a water outlet end of the water pump 10, the water outlet end of the hose 13 extends to the inside of the atomizer 12, and an adjusting device 11 is fixedly installed at the bottom of the ventilation box 6.
In this embodiment, the hose 13 is used to make the water pump 10 and the atomizer 12 elastically contact with each other, so that the atomizer 12 does not block up when rotating.
As a specific technical solution of this embodiment, the adjusting device 11 includes an adjusting box 14, the inside fixed mounting of adjusting box 14 has a motor 15, the output shaft fixed mounting of motor 15 has a carousel 16, the front side fixed mounting of carousel 16 has a bull stick 17, the inner wall of adjusting box 14 rotates through deflection axle 20 and is connected with skew pole 18, a sliding opening 19 has been seted up to the inside of skew pole 18, bull stick 17 is located the inside of sliding opening 19 and with the inside sliding connection of sliding opening 19, the bottom fixed mounting of skew pole 18 has atomizer 12.
In this embodiment, utilize motor 15 to drive carousel 16 and rotate for carousel 16 drives bull stick 17 and carries out circular motion, and bull stick 17 is located the inside of sliding port 19 again simultaneously, makes bull stick 17 drive skew pole 18 and carries out circuitous motion, makes skew pole 18 drive atomizer 12 and roundabout spraying work, thereby has improved and has sprayed the effect.
As a specific technical solution of this embodiment, the oxygen supply mechanism 3 includes a storage box 21, the storage box 21 is fixedly mounted on the outer side of the elevator body 1, an oxygen supply mask 22 is hung on the inner wall of the storage box 21, the oxygen supply mask 22 is fixedly mounted with an oxygen tank 24 through a through pipe 23, and the oxygen tank 24 is fixedly mounted on the inner wall of the storage box 21.
In this embodiment, through setting up oxygen suppliment mechanism 3, when the proruption fire condition, pneumatic cylinder and baffle mechanism 5 can open oxygen suppliment mechanism 3, make stranded personnel can take out the inside oxygen suppliment face guard 22 of oxygen suppliment mechanism 3 and wear, make oxygen tank 24 accessible oxygen suppliment face guard 22 carry out the oxygen suppliment to stranded personnel and handle, make the stranded personnel that are located elevator inside can obtain stable respiratory environment, avoided the inside condition that produces a large amount of dense smoke of elevator and can lead to passenger breathing difficulty of getting on fire, the problem that leads to the life to receive the threat because of breathing difficulty has been solved.
As a specific technical scheme of this embodiment, the bottom of first filter screen 26, second filter screen 27 and third filter screen 28 is provided with the socket with the junction of box 25 that admits air, first filter screen 26 is the activated carbon filter screen, second filter screen 27 is resin fiber woven mesh, third filter screen 28 is the photocatalyst filter screen, the equal fixed mounting in top of first filter screen 26, second filter screen 27 and third filter screen 28 has pull ring 29, pull ring 29 is located the top of box 25 that admits air.
In this embodiment, the first filter net 26, the second filter net 27, and the third filter net 28 can be taken out from the inside of the air intake box 25 and cleaned and replaced by using the pull ring 29, thereby ensuring the air filtering effect of the first filter net 26, the second filter net 27, and the third filter net 28.
The working principle and the using process of the invention are as follows: when the elevator is used and when fire breaks out inside and outside the elevator, the photoelectric smoke detector 30 can quickly respond to the fire of the elevator, the ventilation and dust-settling mechanism 2 and the hydraulic cylinder and the baffle mechanism 5 are opened in time, the baffle is lifted up by the hydraulic cylinder, so that a trapped person can take out and wear the oxygen supply mask 22 in the oxygen supply mechanism 3, the oxygen cylinder 24 can continuously supply oxygen to the trapped person through the oxygen supply mask 22, the three-way fan 7 and the water pump 10 start working, the three-way fan 7 discharges the air in the elevator outwards through the two air inlet pipes 8, the water in the water tank 9 is contacted with the air in the elevator through the atomizing nozzle 12 in a foggy mode by the water pump 10, particle impurities in the air are wetted, water drops can be contacted with the inner wall of the elevator, the temperature is reduced, and the fire in the elevator is controlled to a certain degree, and air is drawn out and new air is drawn in again during the operation of the three-way fan 7, and the entering air enters from the ventilation box 6, so that the entering air is filtered step by step sequentially through the first filter screen 26, the second filter screen 27 and the third filter screen 28, and the air entering the interior of the elevator is purified.
To sum up, the safety elevator device with the fireproof function has the advantages that through the arrangement of the ventilation and dust fall mechanism 2, the three-way fan 7 can be used for pumping out air in the elevator and discharging the air outwards, so that the air in the elevator is circulated, the purpose of cleaning the air in the elevator is achieved, and the water in the water tank 9 is contacted with the air in the elevator in a foggy mode through the atomizing nozzle 12 by matching with the water pump 10, so that particle impurities in the air are wetted, the fire in the elevator can be controlled to a certain degree, and personnel trapped in the elevator can be temporarily protected to provide time for waiting for rescue; by arranging the oxygen supply mechanism 3, when a fire accident happens, the hydraulic cylinder and baffle mechanism 5 can open the oxygen supply mechanism 3, so that trapped people can take out and wear the oxygen supply mask 22 in the oxygen supply mechanism 3, and the oxygen tank 24 can continuously supply oxygen to the trapped people through the oxygen supply mask 22, so that the trapped people in the elevator can obtain a stable breathing environment, the situation that passengers feel difficult to breathe due to the fact that a large amount of dense smoke is generated in the elevator when a fire breaks out is avoided, and the problem that life is threatened due to the breathing difficulty is solved; through setting up purification mechanism 4, utilize three filter screen to filter step by step when external air gets into the elevator inside, air after a plurality of purifications gets into elevator body 1 inside, provide clear air for stranded passenger, when keeping the interior air of elevator fresh, can make the circulation of air environment again, make the air circulate in order to take away hot air, reached gas circulation's purpose, when having reached the conflagration breaing out, provide clear and continuous endless air for stranded passenger in the elevator.
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. The utility model provides a safe elevator device with fire prevention function, includes elevator body (1), takes a breath and dust fall mechanism (2), oxygen suppliment mechanism (3) and purification mechanism (4), its characterized in that: the top of the elevator body (1) is fixedly provided with a ventilation and dust-settling mechanism (2), the waist side of the elevator body (1) is fixedly provided with an oxygen supply mechanism (3) and a purification mechanism (4), the oxygen supply mechanism (3) is positioned above the purification mechanism (4), and the inner wall of the elevator body (1) is fixedly provided with a photoelectric smoke detector (30);
the ventilation and dust fall mechanism (2) comprises a ventilation box (6), a three-way fan (7) is fixedly installed on the inner wall of the ventilation box (6), two air inlet pipes (8) are fixedly installed at the air inlet ends of the three-way fan (7), the bottom ends of the air inlet pipes (8) extend to the inner side of the elevator body (1), a water tank (9) is fixedly installed on the inner wall of the ventilation box (6), a water pump (10) is fixedly installed at the bottom of the water tank (9), and the water tank (9) is communicated with an atomizing spray head (12) through the water pump (10);
purification mechanism (4) are including admitting air box (25), the inner wall activity of admitting air box (25) is pegged graft and is had first filter screen (26), second filter screen (27) and third filter screen (28), the right side of admitting air box (25) is linked together with the inside of elevator body (1).
2. A safety elevator apparatus with a fire prevention function according to claim 1, characterized in that: the elevator is characterized in that the elevator body (1) is connected with the oxygen supply mechanism (3) and is provided with a hydraulic cylinder and a baffle mechanism (5), a baffle is fixedly mounted at the top end of the hydraulic cylinder, and the baffle is located on the front side of an opening of the oxygen supply mechanism (3).
3. A safety elevator apparatus with a fire prevention function according to claim 1, characterized in that: the water outlet end of the water pump (10) is fixedly provided with a hose (13), the water outlet end of the hose (13) extends to the inside of the atomizing spray head (12), and the bottom of the ventilation box (6) is fixedly provided with an adjusting device (11).
4. A safety elevator apparatus with a fire prevention function according to claim 3, characterized in that: adjusting device (11) are including adjusting box (14), the inside fixed mounting of adjusting box (14) has motor (15), the output shaft fixed mounting of motor (15) has carousel (16), the front side fixed mounting of carousel (16) has bull stick (17), the inner wall of adjusting box (14) rotates through deflection axle (20) and is connected with skew pole (18).
5. A safety elevator apparatus with a fire prevention function according to claim 4, characterized in that: sliding openings (19) are formed in the offset rods (18), the rotating rods (17) are located in the sliding openings (19) and are connected with the sliding openings (19) in a sliding mode, and atomizing nozzles (12) are fixedly installed at the bottom ends of the offset rods (18).
6. A safety elevator apparatus with a fire prevention function according to claim 1, characterized in that: oxygen suppliment mechanism (3) are including containing box (21), containing box (21) with the outside fixed mounting of elevator body (1), oxygen suppliment face guard (22) have been affiliated to the inner wall of containing box (21), oxygen suppliment face guard (22) have oxygen cylinder (24) through siphunculus (23) fixed mounting, oxygen cylinder (24) and the inner wall fixed mounting of containing box (21).
7. A safety elevator apparatus with a fire prevention function according to claim 1, characterized in that: the bottom of first filter screen (26), second filter screen (27) and third filter screen (28) is provided with the socket with the junction of box of admitting air (25), first filter screen (26) is the active carbon filter screen, second filter screen (27) are resin fiber woven mesh, third filter screen (28) are the photocatalyst filter screen.
8. A safety elevator apparatus with a fire prevention function according to claim 1, characterized in that: the top ends of the first filter screen (26), the second filter screen (27) and the third filter screen (28) are fixedly provided with pull rings (29), and the pull rings (29) are positioned at the top of the air inlet box (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011440846.9A CN112478974A (en) | 2020-12-08 | 2020-12-08 | Safety elevator device with fire prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011440846.9A CN112478974A (en) | 2020-12-08 | 2020-12-08 | Safety elevator device with fire prevention function |
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| Publication Number | Publication Date |
|---|---|
| CN112478974A true CN112478974A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011440846.9A Pending CN112478974A (en) | 2020-12-08 | 2020-12-08 | Safety elevator device with fire prevention function |
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| CN (1) | CN112478974A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022144049A3 (en) * | 2022-04-06 | 2023-02-09 | 丽阳电梯工程有限公司 | Safety protection structure suitable for elevator |
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| CN109132763A (en) * | 2018-10-16 | 2019-01-04 | 苏州德奥电梯有限公司 | A kind of fire safety elevator |
| CN209427934U (en) * | 2018-11-26 | 2019-09-24 | 南京林业大学 | A kind of emergency staircase with fire-proof function |
| CN209635685U (en) * | 2019-01-21 | 2019-11-15 | 北京联合通力电梯有限公司 | A kind of emergency staircase |
| CN111955324A (en) * | 2020-06-07 | 2020-11-20 | 长乐巧通工业设计有限公司 | Adjustable miniature irrigation device for agricultural planting |
| CN111994758A (en) * | 2020-08-30 | 2020-11-27 | 苏州铃木电梯有限公司 | Intelligent cleaning device for elevator car environment and control system thereof |
| CN213931325U (en) * | 2020-12-21 | 2021-08-10 | 上海系永自控技术有限公司 | High-efficient ventilation unit of idle call |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109132763A (en) * | 2018-10-16 | 2019-01-04 | 苏州德奥电梯有限公司 | A kind of fire safety elevator |
| CN209427934U (en) * | 2018-11-26 | 2019-09-24 | 南京林业大学 | A kind of emergency staircase with fire-proof function |
| CN209635685U (en) * | 2019-01-21 | 2019-11-15 | 北京联合通力电梯有限公司 | A kind of emergency staircase |
| CN111955324A (en) * | 2020-06-07 | 2020-11-20 | 长乐巧通工业设计有限公司 | Adjustable miniature irrigation device for agricultural planting |
| CN111994758A (en) * | 2020-08-30 | 2020-11-27 | 苏州铃木电梯有限公司 | Intelligent cleaning device for elevator car environment and control system thereof |
| CN213931325U (en) * | 2020-12-21 | 2021-08-10 | 上海系永自控技术有限公司 | High-efficient ventilation unit of idle call |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022144049A3 (en) * | 2022-04-06 | 2023-02-09 | 丽阳电梯工程有限公司 | Safety protection structure suitable for elevator |
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Application publication date: 20210312 |