CN114572786B - Epidemic prevention elevator system - Google Patents

Epidemic prevention elevator system Download PDF

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Publication number
CN114572786B
CN114572786B CN202210209451.0A CN202210209451A CN114572786B CN 114572786 B CN114572786 B CN 114572786B CN 202210209451 A CN202210209451 A CN 202210209451A CN 114572786 B CN114572786 B CN 114572786B
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CN
China
Prior art keywords
elevator
thermal imaging
imaging camera
epidemic prevention
rotating body
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Active
Application number
CN202210209451.0A
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Chinese (zh)
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CN114572786A (en
Inventor
刘凯
王帅
王铭鑫
皇皓予
黄建宇
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Tianjin Institute Of Special Equipment Supervision And Inspection Technology (tianjin Special Equipment Accident Emergency Investigation And Treatment Center)
Original Assignee
Tianjin Institute Of Special Equipment Supervision And Inspection Technology (tianjin Special Equipment Accident Emergency Investigation And Treatment Center)
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Priority to CN202210209451.0A priority Critical patent/CN114572786B/en
Publication of CN114572786A publication Critical patent/CN114572786A/en
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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
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0012—Devices monitoring the users of the elevator system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/30—Constructional features of doors or gates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/039—Gearboxes for accommodating worm gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/06—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member
    • F16H2019/0681—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member the flexible member forming a closed loop
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J2005/0077—Imaging

Abstract

The invention discloses an epidemic prevention elevator system, which comprises a lifting elevator and an elevator hall door, wherein the lifting elevator comprises an elevator car door, and the elevator car door and the elevator hall door can be opened or closed in a linkage manner; the elevator hall door is characterized in that the outer side of the elevator hall door is provided with a mounting frame, and the mounting frame is provided with a transmission assembly and a monitoring assembly; the monitoring assembly includes a thermal imaging camera; the transmission assembly is connected between the elevator hall door and the monitoring assembly, the thermal imaging camera can be driven to rotate by the movement of the elevator hall door, and when the elevator hall door is opened, the lens of the thermal imaging camera faces the elevator. By adopting the technical scheme, the epidemic prevention elevator system has the advantages that the hoistway door and the thermal imaging camera form a linkage structure through the transmission assembly, and multi-angle monitoring of the thermal imaging camera can be realized.

Description

Epidemic prevention elevator system
Technical Field
The invention relates to an epidemic prevention elevator system, and belongs to the technical field of epidemic prevention and control elevator equipment.
Background
The elevator is indispensable equipment in modern city life, and wide application in occasions such as market, hospital, office building, residential building. In the case of a van-type elevator, people are also densely occupied while riding because of the closed space, and therefore the risk of spreading infectious diseases is increased, especially during periods of strong infectious viruses like the new coronavirus pneumonia (Corona Virus Disease 2019, COVID-19). Therefore, the method is very important for epidemic prevention control of the elevator. The high-temperature area in the crowd is identified through the thermal imaging camera, the existing common epidemic prevention means is adopted, the thermal imaging camera can capture the infrared image of the crowd who comes and goes, and the alarm is given when the high-temperature abnormal situation is found, so that the possibly high-burning individuals in the crowd can be effectively screened out. The thermal imaging camera has the working principle of thermal infrared imaging technology, and the core of the thermal imaging camera is a thermal imager which is a sensor capable of detecting extremely small temperature difference and converting the temperature difference into a real-time video image to be displayed. However, only the thermal wheel corridor of people and objects can be seen, and the real surface of the objects cannot be seen clearly, so that when a plurality of people exist in the image captured by the thermal imaging camera, if an abnormal high-temperature area occurs, the abnormal individuals of body temperature in the plurality of people cannot be identified accurately, and subsequent personnel tracking is not facilitated. For large shopping malls, the thermal imaging camera can be arranged in a person-dense area waiting for the elevator, and can capture the images of customers coming and going and the images of persons waiting for the elevator in a centralized manner. However, the existing thermal imaging cameras are all set to be at fixed angles, so that the limitations exist, and images in the elevator cannot be captured.
Disclosure of Invention
Therefore, an object of the present invention is to provide an epidemic prevention elevator system, which can realize that the angle of a thermal imaging camera changes along with the opening of a hoistway door, so that thermal imaging collection can be performed in an elevator when the hoistway door and an elevator car door are opened, and thermal imaging collection can be performed on a front side area of the hoistway door when the hoistway door and the elevator car door are closed.
In order to achieve the purpose, the epidemic prevention elevator system comprises an elevator and an elevator hall door, wherein the elevator comprises an elevator car door, and the elevator car door and the elevator hall door can be opened or closed in a linkage manner; the elevator hall door is characterized in that a mounting frame is arranged on the outer side of the elevator hall door, and a transmission assembly and a monitoring assembly are arranged on the mounting frame; the monitoring assembly includes a thermal imaging camera; the transmission assembly is connected between the elevator hall door and the monitoring assembly, the thermal imaging camera can be driven to rotate by the movement of the elevator hall door, and when the elevator hall door is opened, the lens of the thermal imaging camera faces the elevator.
The transmission assembly comprises a plurality of guide wheels arranged on the mounting frame and a driven wheel arranged on the monitoring assembly, a transmission belt is wound around the guide wheels and the driven wheel to form a closed loop, and a connecting piece is fixed on the transmission belt and connected to the hoistway door, so that the movement of the hoistway door can drive the driven wheel to rotate through the transmission belt.
The thermal imaging camera is arranged on a rotating seat, and the rotating seat is fixed with a rotating body; a lantern ring is sleeved on the radial outer side of the rotating body, the outer side wall of the rotating body is tightly contacted with the inner side wall of the lantern ring, and the lantern ring and the rotating body are positioned in a mounting seat; the inner side wall of the sleeve ring is provided with a plurality of spherical grooves which are distributed along the circumferential direction of the sleeve ring, the outer side wall of the rotating body is provided with a plurality of accommodating holes, return springs are arranged in the accommodating holes, and the end parts of the return springs are propped against a steel ball; the end parts of the steel balls can protrude outwards in the accommodating holes and enter the spherical groove, and can also retract into the accommodating holes; the mounting base is provided with a limiting part, and the limiting part is used for limiting the rotating angle of the rotating body.
A through hole is formed in the mounting base, the limiting piece comprises an inserting rod, and the inserting rod is inserted into the through hole; the outer side wall of the rotating body is provided with a section of arc-shaped groove extending along the circumferential direction, and the end part of the inserted bar is inserted into the arc-shaped groove.
An accommodating cavity is formed in the upper end face of the rotating body, an adjusting block is arranged in the accommodating cavity, the adjusting block is connected with the rotating body through an adjusting bolt, a compression spring is arranged between the adjusting block and the rotating body, a gap is formed between the adjusting block and the bottom of the accommodating cavity, and the position of the adjusting block can be adjusted by rotating the adjusting bolt; the side wall of the adjusting block is provided with a vertical groove, the bottom of the vertical groove is provided with a wedge-shaped surface, an ejector rod is arranged in the accommodating hole, one end of the ejector rod is inserted into the vertical groove and abuts against the wedge-shaped surface, and the other end of the ejector rod abuts against the reset spring.
The end part of the ejector rod is provided with an inclined plane matched with the wedge-shaped surface.
The lower end face of the adjusting block is provided with a concave cavity, and the compression spring is located on the inner side of the concave cavity and sleeved on the adjusting bolt.
The monitoring assembly further comprises a box body, a worm wheel and a worm, the worm wheel and the worm are located in the box body, the box body is fixed on the mounting frame, the worm wheel is meshed with the worm, the worm is connected to the transmission assembly, and the worm wheel is connected to the lantern ring.
The worm wheel is provided with a driven shaft, the end part of the driven shaft is provided with a rotating disc, a synchronizing rod is arranged on the rotating disc, and the synchronizing rod is inserted into the insertion hole in the lantern ring.
The lantern ring includes ring body and with the ring body detachable fixed is gone up to ring body looks mutually down, the jack is located last ring body, sphere form recess is located down on the ring body.
The monitoring assembly further comprises a visible light camera fixed with the thermal imaging camera, and a visual axis of the visible light camera and a visual axis of the thermal imaging camera are arranged in the same direction; the visible light camera and the thermal imaging camera are connected with the central control system; the central control system is used for receiving images of the visible light camera and the thermal imaging camera, capturing the images of the visible light camera and the images of the thermal imaging camera to form a visible light screenshot and a thermal imaging screenshot when abnormal high-temperature areas appear in the images of the thermal imaging camera, overlapping the visible light screenshot and the thermal imaging screenshot, and marking the positions of the abnormal high-temperature areas in the thermal imaging screenshot on the visible light screenshot.
By adopting the technical scheme, compared with the prior art, the epidemic prevention elevator system has the following beneficial effects:
1. the elevator hall door and the thermal imaging camera form a linkage structure through the transmission assembly, the thermal imaging camera can rotate to the angle for shooting the elevator after the elevator hall door is opened, so that the thermal imaging image of people in the elevator can be obtained, and the thermal imaging camera can rotate to the angle for shooting a waiting area or a passageway after the elevator hall door is closed, so that the multi-angle monitoring of the thermal imaging camera is realized;
2. the transmission belt in the transmission assembly bypasses the guide wheels and the driven wheels to form a closed loop, so that the driven wheels can be driven by the transmission belt to rotate forwards when the hoistway door is opened, and the driven wheels can be driven by the transmission belt to rotate backwards when the hoistway door is closed, so that the elevator hoistway door is stable in operation and high in synchronism;
3. the mounting base is provided with a limiting piece for limiting the rotating angle of the rotating body so as to limit the rotating angle of the thermal imaging camera, and the rotating angle range of the thermal imaging camera can be adjusted by arranging arc-shaped grooves with different lengths; because the hoistway door has a larger stroke, the lantern ring can continue to rotate after the rotating body is blocked by the limiting part, a return spring and steel balls are arranged, the end part of each steel ball is propped in the spherical groove through the return spring, so that the rotating body can be driven to synchronously rotate by the rotation of the lantern ring, and when the rotating body is blocked by the limiting part, the rotating of the lantern ring generates extrusion force on the steel balls, so that the steel balls roll out in the spherical groove and retract into the accommodating hole, the lantern ring can continue to rotate, and the rotating body is static and does not rotate;
4. the outer side wall of the rotating body is provided with an arc-shaped groove, the radian of the arc-shaped groove is the maximum rotating angle of the thermal imaging camera, the thermal imaging camera takes a first shooting angle when shooting the elevator, and takes a second shooting angle after rotating by the maximum angle, so that the radian of the arc-shaped groove can be set according to the second angle required to be shot by the thermal imaging camera;
5. the position of the adjusting block can be adjusted through the adjusting bolt, so that the position of the ejector rod in the accommodating hole is adjusted, the elastic force of the return spring on the steel ball is adjusted, and the defect that the rotating body and the lantern ring cannot rotate synchronously due to the fact that the elastic force of the return spring on the steel ball is too small is avoided;
6. furthermore, the purpose of speed reduction can be realized through a structure that the worm wheel and the worm are matched with each other, so that the worm wheel only rotates by a small angle when the elevator hall door drives the driven wheel to rotate by a large angle;
7. the visible light camera and the thermal imaging camera shoot at the same angle, and the visible light screenshot is marked according to the abnormal high-temperature area in the thermal imaging screenshot, so that fever individuals in the crowd can be visually observed on the visible light screenshot, and subsequent personnel can conveniently find and track the fever individuals.
Drawings
Fig. 1 is a schematic view of the structure of an epidemic prevention elevator system of the invention.
Fig. 2 is a schematic structural diagram of the monitoring component and the mounting frame.
FIG. 3 is a schematic view of the mounting structure of the belt.
Fig. 4 is another angle view of fig. 3.
Fig. 5 is a schematic structural diagram of the monitoring assembly.
Fig. 6 is a schematic view of an assembly structure of the worm wheel and the worm.
Fig. 7 is an exploded view of fig. 6.
Fig. 8 is another angle view of fig. 7.
Fig. 9 is a schematic view of an assembly structure of the collar, the rotating body and the adjusting block.
Fig. 10 is an exploded view of fig. 9.
Fig. 11 is an assembly structure diagram of the lantern ring, the steel ball, the return spring and the adjusting block.
FIG. 12 is an exploded view of the adjustment block, adjustment bolt, compression spring, ejector pin, return spring, and steel ball.
Fig. 13 is another angle view of fig. 12.
Fig. 14 is a cross-sectional view of fig. 9.
Fig. 15 is a schematic view of an assembly structure of the mounting seat and the rotating body.
Fig. 16 is an exploded view of fig. 15.
Detailed Description
The invention is described in further detail below with reference to the figures and the detailed description.
As shown in fig. 1, an epidemic prevention elevator system of the present invention includes an elevator 1 and a hall door 2 in an elevator shaft. Elevator 1 includes elevator car and elevator door, and after elevator 1 stopped at a certain floor, elevator door and hoistway door 2 can open or close through the linkage of door sword linkage structure.
An installation frame 3 is arranged on the outer side of the elevator hall door 2, and a transmission assembly 4 and a monitoring assembly 5 are arranged on the installation frame 3.
As shown in fig. 2 to 4, the driving assembly 4 includes a plurality of guide pulleys 41 provided on the mounting frame 3 and a driven pulley 42 provided on the monitoring assembly 5, a driving belt 43 is wound around the plurality of guide pulleys 41 and the driven pulley 42 and forms a closed loop, and a coupling member 44 is fixed to the driving belt 43, and the coupling member 44 is coupled to the hoistway door 2 so that the movement of the hoistway door 2 can rotate the driven pulley 42 via the driving belt 43.
As shown in fig. 5 and 6, the driven wheel 42 is mounted on a worm 511, the worm 511 is engaged with a worm wheel 512, the worm wheel 512 and the worm 511 are disposed in a box 513, and the box 513 is fixed to the mounting frame 3.
As shown in fig. 7 to 14, a driven shaft 521 is mounted on the worm gear 512, a rotating disc 522 is provided at an end of the driven shaft 521, and two synchronizing rods 523 are provided on the rotating disc 522.
The monitoring assembly 5 includes a thermal imaging camera 53 and a visible light camera 54, the thermal imaging camera 53 and the visible light camera 54 are fixedly mounted on a rotating base 551, and the rotating base 551 is fixed with a rotating body 552.
A collar 56 is sleeved on the radial outer side of the rotating body 552, the outer side wall of the rotating body 552 is in close contact with the inner side wall of the collar 56, the collar 56 and the rotating body 552 are located in a mounting seat 57, and the mounting seat 57 is fixed with the box body 513 through bolts.
A plurality of spherical grooves 561 are arranged on the inner side wall of the collar 56, and the plurality of spherical grooves 561 are distributed along the circumferential direction of the collar 56. A plurality of receiving holes 552a are formed in an outer side wall of the rotating body 552, and a return spring 553 is disposed in the receiving holes 552a, and an end of the return spring 553 abuts against a steel ball 554. The ends of the steel balls 554 can protrude outward in the receiving hole 552a and enter the spherical groove 561, and can also retract into the receiving hole 552 a. The mounting seat 57 is provided with a limiting member for limiting a rotation angle of the rotating body 552. In this embodiment, a through hole 571 is disposed on the mounting seat 57, the limiting member includes an insert rod 572, and the insert rod 572 is inserted into the through hole 571; an arc-shaped groove 552b extending along the circumferential direction is formed on the outer side wall of the rotating body 552, and the end of the inserting rod 572 is inserted into the arc-shaped groove 552 b.
The synchronous rod 523 on the rotating disc 522 is inserted into the insertion hole 562 on the lantern ring 56, so that the hoistway door 2 can drive the transmission belt 43 to move, the transmission belt 43 can drive the driven wheel 42 to rotate, the driven wheel 42 drives the driven shaft 521 to rotate through the worm 511 and the worm wheel 512, and the driven shaft 521 further drives the lantern ring 56 to rotate. For convenience of assembly, in the present embodiment, the collar 56 includes a lower ring 56a and an upper ring 56b, the lower ring 56a and the upper ring 56b are fixedly installed by bolts, the insertion hole 562 is located on the upper ring 56b, and the spherical groove 561 is located on the lower ring 56 a.
The upper end surface of the rotating body 552 is provided with an accommodating cavity 552c, an adjusting block 555 is arranged in the accommodating cavity 552c, the adjusting block 555 is connected with the rotating body 552 through an adjusting bolt 556, a compression spring 557 is arranged between the adjusting block 555 and the rotating body 552, a gap is formed between the adjusting block 555 and the bottom of the accommodating cavity 552c, and the position of the adjusting block 555 can be adjusted by rotating the adjusting bolt 556.
A plurality of vertical grooves 555a are formed in the side wall of the adjusting block 555, a wedge-shaped surface is formed at the bottom of each vertical groove 555a, a push rod 558 is arranged in the accommodating hole 552a, one end of each push rod 558 is inserted into each vertical groove 555a and abuts against the wedge-shaped surface 555b, the other end of each push rod 558 abuts against the return spring 553, and a slope 558a matched with the wedge-shaped surface 555b is formed at the end of each push rod 558. When the adjusting block 555 moves downwards, the push rod 558 can be pushed to move through the wedge-shaped surface 555b, so that the return spring 553 is further compressed, and the elastic force of the return spring 553 on the steel ball 554 is improved.
The lower end surface of the adjusting block 555 is provided with a cavity 555c, and the compression spring 557 is positioned inside the cavity 555c and sleeved on the adjusting bolt 556.
The visual axis of the visible camera 54 is arranged in the same direction as the visual axis of the thermal imaging camera 53. The visible light camera 54 and the thermal imaging camera 53 are connected with a central control system; the central control system is used for receiving the images of the visible light camera 54 and the thermal imaging camera 53, and is used for capturing the images of the visible light camera 54 and the thermal imaging camera 53 to form a visible light screenshot and a thermal imaging screenshot when an abnormal high-temperature region appears in the image of the thermal imaging camera 53, overlapping the visible light screenshot and the thermal imaging screenshot, and marking the position of the abnormal high-temperature region in the thermal imaging screenshot on the visible light screenshot.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. An epidemic prevention elevator system is characterized in that: the elevator comprises an elevator and an elevator hall door, wherein the elevator comprises an elevator car door, and the elevator car door and the elevator hall door can be opened or closed in a linkage manner; the elevator hall door is characterized in that a mounting frame is arranged on the outer side of the elevator hall door, and a transmission assembly and a monitoring assembly are arranged on the mounting frame; the monitoring assembly includes a thermal imaging camera; the transmission assembly is connected between the elevator hall door and the monitoring assembly, the thermal imaging camera can be driven to rotate by the movement of the elevator hall door, and when the elevator hall door is opened, the lens of the thermal imaging camera faces the elevator.
2. The epidemic prevention elevator system of claim 1, wherein: the driving assembly comprises a plurality of guide wheels arranged on the mounting frame and a driven wheel arranged on the monitoring assembly, a driving belt bypasses the guide wheels and the driven wheel to form a closed loop, and a connecting piece is fixed on the driving belt and connected to the hoistway door, so that the movement of the hoistway door can drive the driven wheel to rotate through the driving belt.
3. The epidemic prevention elevator system of claim 1, wherein: the thermal imaging camera is arranged on a rotating seat, and the rotating seat is fixed with a rotating body; a lantern ring is sleeved on the radial outer side of the rotating body, the outer side wall of the rotating body is tightly contacted with the inner side wall of the lantern ring, and the lantern ring and the rotating body are positioned in a mounting seat; the inner side wall of the sleeve ring is provided with a plurality of spherical grooves which are distributed along the circumferential direction of the sleeve ring, the outer side wall of the rotating body is provided with a plurality of accommodating holes, return springs are arranged in the accommodating holes, and the end parts of the return springs are propped against a steel ball; the end parts of the steel balls can protrude outwards in the accommodating holes and enter the spherical groove, and can also retract into the accommodating holes; the mounting base is provided with a limiting part, and the limiting part is used for limiting the rotating angle of the rotating body.
4. The epidemic prevention elevator system of claim 3, wherein: a through hole is formed in the mounting base, the limiting piece comprises an inserting rod, and the inserting rod is inserted into the through hole; the outer side wall of the rotating body is provided with a section of arc-shaped groove extending along the circumferential direction, and the end part of the inserted bar is inserted into the arc-shaped groove.
5. The epidemic prevention elevator system of claim 3, wherein: an accommodating cavity is formed in the upper end face of the rotating body, an adjusting block is arranged in the accommodating cavity, the adjusting block is connected with the rotating body through an adjusting bolt, a compression spring is arranged between the adjusting block and the rotating body, a gap is formed between the adjusting block and the bottom of the accommodating cavity, and the position of the adjusting block can be adjusted by rotating the adjusting bolt; the side wall of the adjusting block is provided with a vertical groove, the bottom of the vertical groove is provided with a wedge-shaped surface, an ejector rod is arranged in the accommodating hole, one end of the ejector rod is inserted into the vertical groove and abuts against the wedge-shaped surface, and the other end of the ejector rod abuts against the reset spring.
6. The epidemic prevention elevator system of claim 5, wherein: the lower end face of the adjusting block is provided with a concave cavity, and the compression spring is located on the inner side of the concave cavity and sleeved on the adjusting bolt.
7. The epidemic prevention elevator system of claim 3, wherein: the monitoring assembly further comprises a box body, a worm wheel and a worm, the worm wheel and the worm are located in the box body, the box body is fixed on the mounting frame, the worm wheel is meshed with the worm, the worm is connected to the transmission assembly, and the worm wheel is connected to the lantern ring.
8. The epidemic prevention elevator system of claim 7, wherein: the worm wheel is provided with a driven shaft, the end part of the driven shaft is provided with a rotating disc, a synchronizing rod is arranged on the rotating disc, and the synchronizing rod is inserted into the insertion hole in the lantern ring.
9. The epidemic prevention elevator system of claim 8, wherein: the lantern ring includes lower ring body and with the detachable fixed upper ring body mutually of lower ring body, the jack is located on the ring body, sphere form recess is located on the ring body down.
10. An epidemic prevention elevator system as claimed in any one of claims 1-9, wherein: the monitoring assembly further comprises a visible light camera fixed with the thermal imaging camera, and a visual axis of the visible light camera and a visual axis of the thermal imaging camera are arranged in the same direction; the visible light camera and the thermal imaging camera are connected with the central control system; the central control system is used for receiving images of the visible light camera and the thermal imaging camera, capturing images of the visible light camera and the thermal imaging camera to form a visible light screenshot and a thermal imaging screenshot when an abnormal high-temperature region appears in the image of the thermal imaging camera, overlapping the visible light screenshot and the thermal imaging screenshot, and marking the position of the abnormal high-temperature region in the thermal imaging screenshot on the visible light screenshot.
CN202210209451.0A 2022-03-04 2022-03-04 Epidemic prevention elevator system Active CN114572786B (en)

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