CN111924691B

CN111924691B - Safe elevator door structure for elevator

Info

Publication number: CN111924691B
Application number: CN202010966483.6A
Authority: CN
Inventors: 寿艳青
Original assignee: Nantong Zhoneti Precision Instrument Co ltd
Current assignee: NANTONG ZHONETI PRECISION INSTRUMENT Co.,Ltd.
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-02
Anticipated expiration: 2040-09-15
Also published as: CN111924691A

Abstract

The invention discloses a safety elevator door structure for an elevator, which comprises a first door body and a second door body, wherein a groove is formed in the first door body, a lug matched with the groove is arranged in the second door body, the lug is inserted into the second door body, a ventilation opening is formed in the part in the second door body, a cavity is formed in the lug, two sides of the cavity are respectively and fixedly connected with a current-conducting plate, the two current-conducting plates are respectively and electrically connected with an external power supply device, one sides, far away from each other, of the two current-conducting plates are communicated and provided with a detection chamber, a laser emitter is fixedly connected in the detection chamber, the two detection chambers are jointly connected with a plurality of thermoelectric bars, and one sides, far away from each other, of the two detection chambers. Has the advantages that: can detect the inside and outside carbon dioxide concentration of elevator under the outage state, realize the effect of automatic opening the door ventilation under the great state of difference between them, avoid indoor environment to influence the normal breathing that is detained personnel.

Description

Safe elevator door structure for elevator

Technical Field

The invention relates to the technical field of elevators, in particular to a safety elevator door structure for an elevator.

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.

When the elevator is used, when a fault occurs, the elevator is usually overhauled for a long time, when more people exist in the elevator, the concentration of carbon dioxide in the elevator is quickly increased, the temperature of the surrounding environment is quickly increased due to heat dissipation of people, and the detained people feel great discomfort

Disclosure of Invention

The invention aims to solve the problem that in the prior art, when more people are jammed in an elevator after the elevator breaks down, the carbon dioxide concentration in the elevator is too high, and the health of people is affected, and provides a safe elevator door structure for the elevator.

In order to achieve the purpose, the invention adopts the following technical scheme: a safety elevator door structure for an elevator comprises a first door body and a second door body, wherein a groove is formed in the first door body, a convex block matched with the groove is arranged in the second door body, the convex block is inserted into the second door body, a ventilation opening is formed in the part in the second door body, a cavity is formed in the convex block, two sides of the cavity are fixedly connected with a current-conducting plate respectively, and the two current-conducting plates are electrically connected with an external power supply device respectively;

two one side intercommunication that the current conducting plate kept away from each other has been seted up and has been detected the room, fixedly connected with laser emitter in the detection room, two it is connected with a plurality of thermoelectric bars jointly to detect the room, two the connector has been seted up respectively to one side that the detection room kept away from each other and connector sealing connection has the ventilated membrane, and is a plurality of the thermoelectric bar overcoat is cup jointed the insulating layer and common electricity is connected with electromagnetic switch and electromagnetic switch electricity is connected with the heating rod that sets up in the cavity.

In the safe elevator door structure for the elevator, the thermoelectric bar is made of semiconductor materials, the cavity is filled with evaporated liquid with a lower boiling point, and the evaporated liquid is non-toxic acetic acid solution.

In the elevator safety door structure, the thermoelectric bars are respectively connected with the electromagnetic switches in parallel at equal intervals, the ventilation opening is internally provided with a plurality of transverse guard rails, and the guard rails are arranged on two side walls of the ventilation opening in a detachable structure.

Compared with the prior art, the invention has the advantages that:

1. in the invention, when the elevator breaks down, the capacitor connected with the circuit in the elevator releases the energy stored by the capacitor, so that the two laser transmitters generate infrared light, and the infrared light is received by the photosensitive layer on the other side irradiated by the infrared light, and carbon dioxide as greenhouse gas has the characteristics of absorbing and organizing heat to be discharged, therefore, under the high temperature irradiated by laser, the temperature difference is generated between the two detection indoor temperatures in the difference of the carbon dioxide concentration;

2. the two detection chambers are connected with a plurality of thermoelectric rods together, the thermoelectric rods have thermoelectric attraction, namely, two ends of each thermoelectric rod can generate current at different temperatures, the plurality of temperature difference rods are connected with an electromagnetic switch together, and when the total current generated by the plurality of temperature difference rods in parallel connection is larger than the current of the electromagnetic switch, the plurality of temperature difference rods are connected with a conducting capacitor and the heating rods;

3. the heating rod is heated to heat the evaporating liquid with lower surrounding boiling point, so that the convex block is pushed to be separated from the second door body under the action of the maximum air pressure, the unhooking structure of the elevator door is damaged, and the ventilation opening is leaked, so that the elevator door is in a half-open state, the air flow exchange can be fully carried out with the outside, the concentration of carbon dioxide in the elevator is reduced, and oxygen is supplemented;

4. ventilative mouthful sets up the detachable rail guard, and such benefit lies in, when the elevator stops between two floors, plays and avoids detaining the problem that personnel directly walked out and produced the potential safety hazard to safety barrier can play the building body effect of climbing, can realize the effect of saving oneself through dismantling the rail guard with the upside, facilitates the use.

Drawings

Fig. 1 is a schematic structural view of a safety elevator door structure for an elevator according to the present invention;

fig. 2 is an enlarged schematic view of a portion a of a safety elevator door structure for an elevator according to the present invention;

fig. 3 is a front view of a ventilation opening in a safety elevator door structure for an elevator according to the present invention.

In the figure: the detection device comprises a first door body 1, a second door body 2, a groove 3, a bump 4, a ventilation opening 5, a conductive plate 6, a cavity 7, a laser emitter 8, a thermoelectric rod 9, a breathable film 10, a heating rod 11, a protective guard 12 and a detection chamber 13.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-2, a safety elevator door structure for an elevator comprises a first door body 1 and a second door body 2, wherein a groove 3 is formed in the first door body 1, a convex block 4 matched with the groove 3 is arranged in the second door body 2, the convex block 4 is inserted into the second door body 2, a ventilation opening 5 is formed in the part in the second door body, a cavity 7 is formed in the convex block 4, two sides of the cavity 7 are respectively and fixedly connected with a conductive plate 6, and the two conductive plates 6 are respectively and electrically connected with an external power supply device;

detection room 13 has been seted up in the one side intercommunication of two current-conducting plates 6 keeping away from each other, fixedly connected with laser emitter 8 in the detection room 13, two detection rooms 13 are connected with a plurality of thermoelectric bars 9 jointly, the connector has been seted up respectively to one side that two detection rooms 13 kept away from each other and connector sealing connection has ventilated membrane 10, a plurality of thermoelectric bars 9 overcoat connect have the insulating layer and common electricity be connected with electromagnetic switch and electromagnetic switch electricity is connected with the heating rod 11 that sets up in cavity 7.

The thermoelectric rods 9 are made of semiconductor materials, the cavity 7 is filled with evaporating liquid with a lower boiling point, the evaporating liquid is non-toxic acetic acid solution, the thermoelectric rods 9 are respectively connected with the electromagnetic switches in parallel at equal intervals, a plurality of transverse protective guards 12 are arranged in the ventilation port 5, and the protective guards 12 are detachably arranged on two side walls of the ventilation port 5.

When the elevator temperature control device is used, when the difference between the carbon dioxide concentration inside and outside the elevator is low, the electric quantity released by the capacitor enables the temperature difference inside the two detection chambers 13 which generate high temperature when the laser transmitter 8 works to be low, so that the thermoelectric bar 9 cannot conduct the electromagnetic switch to enable the heating bar 11 to work, and the mechanical structure of the elevator which is closed is prevented from being damaged;

when more people are left in the elevator and the elevator is not rescued for a long time, the difference of the heat preservation effect is large due to the difference of the carbon dioxide concentration of the two detection indoor temperatures, so that the temperature difference of the two ends of the plurality of thermoelectric bars 9 is large, a plurality of generated thermoelectric currents open the electromagnetic switch, the heating bars are electrified and heat the evaporated liquid, the evaporated liquid generates great air pressure, the unhooking structure in the elevator door is broken, the vent hole 5 leaks, and the first door body 1 is pushed away half;

at the moment, the trapped person can observe the outside situation, when the elevator stays on a certain accurate floor, the guard rail 12 can be selectively detached and the elevator is taken out, when the elevator stays between two floors, the guard rail 12 can be trampled by the trapped person, the guard rail 12 on the upper side is detached and climbed out, when the physical strength of the trapped person is not enough, the ventilation port 5 can fully ventilate the inside and the outside of the elevator, oxygen is supplemented, and the concentration of carbon dioxide is reduced, so that the problem that the trapped person is dizzy due to overhigh concentration of carbon dioxide is solved.

Although the terms of the first door body 1, the second door body 2, the groove 3, the protrusion 4, the gas permeable port 5, the conductive plate 6, the cavity 7, the laser emitter 8, the thermo-electric rod 9, the gas permeable membrane 10, the heating rod 11, the guard rail 12, the detection chamber 13, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A safety elevator door structure for an elevator comprises a first door body (1) and a second door body (2), and is characterized in that a groove (3) is formed in the first door body (1), a lug (4) matched with the groove (3) is arranged in the second door body (2), the lug (4) is inserted into the second door body (2), a ventilation opening (5) is formed in the part in the second door body, a cavity (7) is formed in the lug (4), two sides of the cavity (7) are fixedly connected with a current-conducting plate (6) respectively, and the two current-conducting plates (6) are electrically connected with an external power supply device respectively;

two detection room (13) have been seted up in one side intercommunication that current conducting plate (6) kept away from each other, fixedly connected with laser emitter (8), two in detection room (13) are connected with a plurality of thermoelectric bars (9) jointly, two the connector has been seted up respectively and connector sealing connection has ventilated membrane (10) to one side that detection room (13) kept away from each other, and is a plurality of thermoelectric bar (9) overcoat is cup jointed the insulating layer and common electricity is connected with electromagnetic switch and electromagnetic switch electricity is connected with heating rod (11) of setting in cavity (7).

2. The safety elevator door structure for the elevator as defined in claim 1, wherein the thermoelectric bar (9) is made of a semiconductor material, the cavity (7) is filled with an evaporating liquid with a low boiling point, and the evaporating liquid is a non-toxic acetic acid solution.

3. The elevator safety door structure according to claim 1, wherein a plurality of said thermoelectric bars (9) are respectively and parallelly connected with the electromagnetic switch at equal intervals, a plurality of transverse guard rails (12) are arranged in the ventilation opening (5), and the guard rails (12) are detachably mounted on two side walls of the ventilation opening (5).