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CN-121990443-A - Elevator with negative pressure ventilation branch energy-saving fan

CN121990443ACN 121990443 ACN121990443 ACN 121990443ACN-121990443-A

Abstract

The invention relates to the technical field of elevator fans, and discloses an elevator with a negative-pressure ventilation branch energy-saving fan, which comprises a double-air-way fan set and an elevator cabin, wherein the double-air-way fan set is connected with a wind dispersing piece arranged in the elevator cabin, the bottom of the elevator cabin is provided with an exhaust hole communicated with the outside, the double-air-way fan set comprises a shell, a high-speed fan and a ventilation fan are arranged in the shell, a centralized cavity is arranged in the wind dispersing piece, and the exhaust end of the ventilation fan and the inlet and outlet end of the high-speed fan are connected in series in the wind dispersing piece through the centralized cavity, so that the high-speed fan can quickly enter and exhaust, and equipment such as an air compressor is omitted in the double-air-way fan set, and air in the elevator cabin is pumped in through a third wind opening on the wind dispersing piece, so that the air flow in the elevator cabin can be ensured to flow out quickly, and the inside of the elevator cabin can be quickly exchanged while the energy consumption is reduced.

Inventors

  • LI HONGLEI

Assignees

  • 慈溪久工机械有限公司

Dates

Publication Date
20260508
Application Date
20250402

Claims (10)

  1. 1. The utility model provides an elevator of energy-conserving fan of negative pressure ventilation branch road in area, includes double wind way fan group (1) and elevator railway carriage or compartment (2), double wind way fan group (1) be connected with set up in scattered wind piece (3) in elevator railway carriage or compartment (2), the bottom of elevator railway carriage or compartment (2) is equipped with the external hole of airing exhaust (20) of intercommunication, its characterized in that: The double-air-path fan set (1) comprises a shell (12), wherein a high-speed fan (10) and a ventilation fan (11) are arranged in the shell (12); A centralized cavity (30) is arranged in the air dispersing piece (3), a first air opening (301) penetrating through the outer wall of the air dispersing piece (3) and a second air opening (302) are arranged in the centralized cavity (30), an output air pipe (110) connected with the output end of the ventilation fan (11) is arranged on the first air opening (301), and an inhalation air pipe (101) connected with the input end of the high-speed fan (10) is arranged on the second air opening (302); The inside of dispelling wind piece (3) still is equipped with exhaust chamber (31), be equipped with on exhaust chamber (31) and connect exhaust tuber pipe (100) of high-speed fan (10) output, exhaust chamber (31) keep away from the one end of exhaust tuber pipe (100) be equipped with exhaust hole (20) switch-on each other gas vent (310), one side that dispelling wind piece (3) towards elevator car (2) inner chamber is equipped with third wind gap (303), be equipped with negative pressure inlet port (311) that a plurality of are used for intercommunication third wind gap (303) on exhaust chamber (31).
  2. 2. The elevator with the negative pressure ventilation branch energy-saving fan according to claim 1, wherein the horizontal surface of the negative pressure air inlet hole (311) is obliquely arranged, and an included angle between the oblique surface of the negative pressure air inlet hole (311) and the air flow discharging direction of the air discharging cavity (31) is larger than 120 degrees.
  3. 3. The elevator with the negative pressure ventilation branch energy-saving fan according to claim 1, wherein the elevator is characterized in that a sealing assembly structure is formed by tightly fitting between the inner wall of the elevator cage (2) at the exhaust hole (20) and the outer wall of the air dispersing piece (3) at the exhaust port (310).
  4. 4. The elevator with the negative-pressure ventilation branch energy-saving fan according to claim 1, wherein a flow dispersing plate (32) is arranged on one side, facing the inner cavity of the elevator car (2), of the air dispersing plate (3), the flow dispersing plate (32) covers the front end of the centralized cavity (30), and through holes (320) are uniformly distributed on the flow dispersing plate (32) at equal intervals.
  5. 5. The elevator with negative pressure ventilation branch energy-saving fan according to claim 4, wherein a filter core (33) for filtering air flow is arranged in the centralized cavity (30), and the end face structure of the filter core (33) is matched with the end face structure of the flow dispersing plate (32).
  6. 6. An elevator with a negative pressure ventilation branch energy saving fan according to claim 1, characterized in that the width of the casing (12) does not exceed the width of the elevator car (2).
  7. 7. The elevator with the negative-pressure ventilation branch energy-saving fan according to claim 6, wherein the casing (12) is composed of four side plates (120) and at least one cover plate (121) which are sequentially connected end to end, hollowed-out grids (123) are arranged on the cover plate (121) corresponding to the high-speed fan (10) and the ventilation fan (11), and dust-proof net covers (124) are embedded in the hollowed-out grids (123).
  8. 8. The elevator with the negative pressure ventilation branch energy-saving fan according to claim 1, wherein the horizontal plane of the air dispersing piece (3) is parallel to the horizontal plane of the bottom plate of the elevator car (2), a pipeline cavity (4) is arranged between the air dispersing piece (3) and the top plate of the elevator car (2), and the exhaust air pipe (100), the suction air pipe (101) and the output air pipe (110) are arranged in the pipeline cavity (4).
  9. 9. The elevator with negative pressure ventilation branch energy-saving fan according to claim 8, wherein sealing rings are arranged at the penetrating positions of the elevator cage (2) in the pipeline cavity (4) by the exhaust air pipe (100), the suction air pipe (101) and the output air pipe (110).
  10. 10. The elevator with the negative pressure ventilation branch energy-saving fan according to claim 1, wherein a control panel for controlling the high-speed fan (10) and the ventilation fan (11) is further arranged in the elevator car (2).

Description

Elevator with negative pressure ventilation branch energy-saving fan Technical Field The invention relates to the technical field of elevator fans, in particular to an elevator with a negative pressure ventilation branch energy-saving fan. Background The main function of the elevator fan is to increase the air circulation rate of the elevator car, especially for high-rise elevators, otherwise people are easy to dizziness, the motor drives the fan blades to rotate to drive the air flow, so that indoor and outdoor air exchange, also called a ventilator, is realized, and the aim of exhausting is to remove indoor dirty air, regulate the temperature and relieve the effect of human sense organs. The invention relates to the technical field of elevator appliances, in particular to an air purifying device for a negative pressure elevator, which comprises a mounting frame, wherein mounting grooves are formed in the front end of a shell, a detachable air inlet fence is arranged in each mounting groove, a filter element device is arranged in the shell, a sealing plate device is arranged at the upper end of the filter element device, the upper side of the sealing plate device is connected with a negative pressure bin, a negative pressure fan is arranged at the upper end of the negative pressure bin, an air outlet pipe is connected to an air outlet of the negative pressure fan, the air outlet pipe penetrates through the shell, and an air outlet net is arranged on the air outlet pipe. In order to avoid excessive occupation of the internal space of the elevator and the well, the elevator fan in the existing elevator is limited by the well and the internal space of the elevator, the air in the elevator is basically ventilated and temperature-controlled by installing a small fan or a high-energy-consumption fan set in the market, the ventilation and the ventilation are divided into two parts, the daily ventilation fan is removed, a second ventilation system for cleaning turbid gas in the elevator is independently installed, and the elevator with the negative-pressure ventilation branch energy-saving fan has a remarkable defect, namely, in order to efficiently replace the internal air of the elevator, more energy consumption is generated than that of the small fan which cannot perform better replacement effect on the internal space of the elevator, so that the existing requirements are not met, and the elevator with the negative-pressure ventilation branch energy-saving fan is provided. Disclosure of Invention The invention provides an elevator with a negative pressure ventilation branch energy-saving fan, which has the beneficial effects of high-efficiency refreshing capability without additionally providing a fan, and solves the problems in the prior art. The invention provides the following technical scheme: the elevator with the negative pressure ventilation branch energy-saving fan comprises a double-air-way fan group and an elevator cabin, wherein the double-air-way fan group is connected with a ventilation sheet arranged in the elevator cabin, the bottom of the elevator cabin is provided with an exhaust hole communicated with the outside, the double-air-way fan group comprises a shell, a high-speed fan and a ventilation fan are arranged in the shell, a centralized cavity is arranged in the ventilation sheet, a first air opening and a second air opening penetrating through the outer wall of the ventilation sheet are arranged in the centralized cavity, an output air pipe connected with the output end of the ventilation fan is arranged on the first air opening, a suction air pipe connected with the input end of the high-speed fan is arranged on the second air opening, an exhaust cavity is also arranged in the ventilation sheet, an exhaust air pipe connected with the output end of the high-speed fan is arranged on the exhaust cavity, the one end that exhaust chamber kept away from the exhaust tuber pipe be equipped with exhaust port that the exhaust hole was put through each other, the wind piece that looses is equipped with the third wind gap towards one side of elevator car inner chamber, be equipped with the negative pressure inlet port that a plurality of is used for the intercommunication third wind gap on the exhaust chamber, establish ties the exhaust end of ventilation fan and the access end of high-speed fan in the wind piece that looses through concentrating the chamber for high-speed fan can quick inlet and exhaust, thereby avoided equipment such as air compressor machine in the double-wind way fan group, and through the third wind gap on the wind piece that looses, draw in the air in the elevator car to guarantee that the inside air current of elevator car can flow out fast, and then when reducing the energy consumption, can trade the inside of elevator car fast again. As an alternative scheme of the elevator with the negative pressure ventilation branch energy-saving fan, the horizontal surface of the negativ