CN112110309A

CN112110309A - Power-off alarm system for construction site elevator

Info

Publication number: CN112110309A
Application number: CN202010995685.3A
Authority: CN
Inventors: 郑壮伟
Original assignee: 郑壮伟
Current assignee: Taizhou Tuoji Technology Co., Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-12-22
Anticipated expiration: 2040-09-21
Also published as: CN112110309B

Abstract

The invention discloses a power-off alarm system for a building site elevator, which comprises an elevator body, wherein two sides of the elevator body are slidably connected with slide rails, an elevator door is arranged in the elevator body, the top of the elevator body is fixedly connected with a liquid storage box, two symmetrical side walls of the liquid storage box are provided with slide grooves, each slide groove is slidably connected with a slide block with matched size, the top of each slide block is fixedly connected with a spring, the fixed end of each spring is fixedly connected with the top of each slide block, one opposite side of each slide block is fixedly connected with a membrane net which is hermetically and slidably connected with the inner wall of the liquid storage box, the center of each membrane net is fixedly connected with a connecting block, each connecting block is fixedly connected with a support rod, and the top of each support rod penetrates through. Has the advantages that: the carbon dioxide in the elevator can be absorbed when the elevator is powered off, and the function of automatic alarm is realized according to the reaction amount of the carbon dioxide, so that accidents are avoided.

Description

Power-off alarm system for construction site elevator

Technical Field

The invention relates to the technical field of elevators, in particular to a power failure alarm system for a construction site elevator.

Background

In modern society, in buildings, especially in high-rise buildings, elevators are indispensable vertical transportation devices, and are characterized in that the occupied area in the high-rise buildings is small, the working principle is to safely, reasonably and effectively transport passengers or goods to different floors through an electric or other control mode, and when the elevators are closed, the elevators form an approximately closed metal shell shape and have the effect of blocking signals.

When the elevator is actually used, due to the circuit problem, circuit faults often occur in the elevator, the elevator is stopped, and due to the fact that the elevator blocks mobile phone signals, people in the elevator can be anxious, nervous mood and the like.

Disclosure of Invention

The invention aims to solve the problem that people trapped in a construction site elevator in the prior art cannot timely inform the outside when the construction site elevator fails, and provides an environment improvement system for elevator failure.

In order to achieve the purpose, the invention adopts the following technical scheme: a power-off alarm system for a construction site elevator comprises an elevator body, slide rails are connected to two sides of the elevator body in a sliding manner, an elevator door is arranged in the elevator body, the top of the elevator body is fixedly connected with a liquid storage box, the two symmetrical side walls of the liquid storage box are provided with sliding grooves, each sliding groove is connected with a sliding block with the size matched with the size in a sliding way, the top of each sliding block is fixedly connected with a spring, the fixed end of the spring is fixedly connected with the top of the sliding groove, one side of each sliding block, which is opposite to the sliding block, is fixedly connected with a membrane net which is connected with the inner wall of the liquid storage box in a sealing and sliding way, the center of the membrane net is fixedly connected with a connecting block, the connecting block is fixedly connected with a supporting rod, the top of the supporting rod simultaneously penetrates through the liquid storage box and the inner wall of the elevator body in a sealing manner, the one end fixedly connected with first current conducting plate of branch outside this body of elevator, the roof of elevator body and the relative position fixedly connected with second current conducting plate of first current conducting plate.

In the foregoing, the first current conducting plate is connected with an external battery, the second current conducting plate is connected with an alarm system, and a sodium silicate solution is filled in the liquid storage box.

In the above, the side wall of the liquid storage box is provided with a liquid inlet, the liquid inlet is hermetically connected with an electromagnetic valve, and the membrane mesh is made of polymer gel material.

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

1. in the invention, the sodium silicate solution is filled in the liquid storage box, so that the sodium silicate solution has the characteristic of generating a precipitate by reacting with carbon dioxide, and when the elevator is used, after power failure or line fault occurs to the elevator, the electromagnetic valve at the top of the liquid storage box is opened, so that the carbon dioxide in the elevator can be absorbed;

2. when the elevator at the construction site is installed, an alarm button and a circuit are not completely connected, and signals in the elevator are extremely poor, so that the elevator is difficult to rescue in a short time when being trapped in the elevator at the construction site, and due to the problems of approximate sealing and slow airflow flow of the elevator, the normal respiration of detained people can greatly improve the carbon dioxide concentration in the elevator, so that the discomfort of a human body is caused;

3. in the invention, the temperature of the elevator is continuously raised through natural heat dissipation after the elevator is powered off, carbon dioxide generated by breath of detained people enters through the air inlet in the liquid storage box, sodium silicate in the liquid storage box reacts with the carbon dioxide to generate precipitate and falls onto the membrane net, so that the membrane net is stressed by downward pressure, and the membrane net is downwards moved after being stressed by larger pressure, so that the connecting block and the support rod which are fixedly connected with the membrane net move simultaneously;

4. because the membrane net is moving down the in-process, the liquid of below gets into the top, will continue to react with the carbon dioxide who lets in and generate the sediment for the membrane net is in the process of moving down all the time, and the first current conducting plate that makes branch connect when the membrane net moves extreme position is connected with the second current conducting plate, realizes the electricity and connects the warning effect, has so both avoided the building site elevator nobody to rescue and the accident appears when using, has also reduced the inside carbon dioxide concentration of elevator through the reaction absorption to carbon dioxide, provides the time for rescuing.

Drawings

Fig. 1 is a schematic structural view of a power failure alarm system for a construction site elevator according to the present invention;

fig. 2 is an enlarged schematic view of a portion a of a power outage warning system for a construction site elevator according to the present invention.

In the figure: 1 elevator body, 2 slide rails, 3 lift-cabin door, 4 stock solution boxes, 5 spouts, 6 sliders, 7 springs, 8 membrane nets, 9 connecting blocks, 10 supporting rods, 11 first conductive plates, 12 second conductive plates, 13 connectors, 14 solenoid valves.

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 power-off alarm system for a construction site elevator comprises an elevator body 1, sliding rails 2 are slidably connected to two sides of the elevator body 1, an elevator door 3 is arranged in the elevator body 1, a liquid storage box 4 is fixedly connected to the top of the elevator body 1, sliding grooves 5 are formed in two symmetrical side walls of the liquid storage box, a sliding block 6 with matched size is slidably connected in each sliding groove 5, a spring 7 is fixedly connected to the top of each sliding block 6, the fixed end of the spring 7 is fixedly connected to the top of each sliding groove 5, a membrane net 8 which is hermetically and slidably connected to the inner wall of the liquid storage box 4 is fixedly connected to one side, opposite to the two sliding blocks 6, a connecting block 9 is fixedly connected to the center of the membrane net 8, a support rod 10 is fixedly connected to the connecting block 9, the top of the support rod 10 is hermetically penetrated through the liquid storage box 4, a second conductive plate 12 is fixedly connected to the top wall of the elevator body 1 at a position opposite to the first conductive plate 11;

the first current-conducting plate 11 is connected with an external battery, the second current-conducting plate 12 is connected with an alarm system, a sodium silicate solution is filled in the liquid storage box 4, a liquid inlet 13 is formed in the side wall of the liquid storage box 4, an electromagnetic valve 14 is hermetically connected in the liquid inlet 13, when an elevator circuit is normal, the liquid inlet 13 is closed, the membrane net 8 is made of a high-molecular gel material and has the effect of isolating upper and lower layers of solution, and when the temperature rises, membrane holes are opened to allow liquid to flow.

When the elevator is used, the electromagnetic valve 14 is in a closed state in an initial state, at the moment, an internal circuit of the elevator is normal, when the interior of the elevator is powered off or breaks down, the electromagnetic valve 14 is opened, so that gas can enter the liquid storage box 4, at the moment, the temperature of the elevator is continuously increased due to natural heat dissipation after the power of the elevator is off, carbon dioxide generated by breath of detained people enters through the gas inlet 13 in the liquid storage box 4, sodium silicate in the liquid storage box 4 reacts with the carbon dioxide to generate precipitate and falls onto the membrane net 8, so that the membrane net 8 is subjected to downward pressure, the membrane net 8 is moved downwards after being subjected to higher pressure, and the connecting block 9 and the support rod 10 which are fixedly connected with the membrane net 8 are moved simultaneously.

Consuming carbon dioxide in the reaction process, will reduce the concentration of the inside carbon dioxide of elevator body 1, make in approximate confined environment, the detention personnel can not cause dizzy problem because two kinds of carbon concentration risees, and after absorbing a certain amount of carbon dioxide, the sediment of formation will continue membrane net 8, make membrane net 8 position move down, after removing extreme position, membrane net drives connecting block 9 and branch and removes the position that first current conducting plate 11 and second current conducting plate 12 are connected, the siren will electrically conduct this moment, because first current conducting plate 11 and second current conducting plate 12 will be in outdoors, consequently can not receive the magnetic shielding effect of elevator, avoid appearing the accident.

Although terms such as the elevator body 1, the slide rail 2, the elevator door 3, the reservoir 4, the chute 5, the slider 6, the spring 7, the membrane net 8, the connection block 9, the support rod 10, the first conductive plate 11, the second conductive plate 12, the connection port 13, the solenoid valve 14, 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 power-off alarm system for a construction site elevator comprises an elevator body (1) and is characterized in that sliding rails (2) are connected to two sides of the elevator body (1) in a sliding mode, an elevator door (3) is arranged in the elevator body (1), a liquid storage box (4) is fixedly connected to the top of the elevator body (1), sliding grooves (5) are formed in two symmetrical side walls of the liquid storage box, sliding blocks (6) matched with each other in size are connected in the sliding grooves (5) in a sliding mode, a spring (7) is fixedly connected to the top of each sliding block (6), the fixed end of each spring (7) is fixedly connected to the top of each sliding groove (5), a membrane net (8) hermetically and slidably connected to the inner wall of the liquid storage box (4) is fixedly connected to one side, opposite to each sliding block (6), and a connecting block (9) is fixedly connected to the, connecting block (9) fixedly connected with branch (10) and the top of branch (10) is sealed the inner wall that runs through stock solution box (4) and elevator body (1) simultaneously, branch (10) one end fixedly connected with first current conducting plate (11) outside elevator body (1), the roof of elevator body (1) and the relative position fixedly connected with second current conducting plate (12) of first current conducting plate (11).

2. The power failure alarm system for the construction site elevator as claimed in claim 1, wherein the first conductive plate (11) is connected to an external battery, the second conductive plate (12) is connected to an alarm system, and the liquid storage box (4) contains sodium silicate solution.

3. The power failure alarm system for the construction site elevator as claimed in claim 1, wherein a liquid inlet (13) is formed in a side wall of the liquid storage box (4), an electromagnetic valve (14) is hermetically connected in the liquid inlet (13), and the membrane net (8) is made of a polymer gel material.