CN108609466B - Intelligent liquid counterweight energy-saving environment-friendly elevator - Google Patents

Intelligent liquid counterweight energy-saving environment-friendly elevator Download PDF

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Publication number
CN108609466B
CN108609466B CN201810550739.8A CN201810550739A CN108609466B CN 108609466 B CN108609466 B CN 108609466B CN 201810550739 A CN201810550739 A CN 201810550739A CN 108609466 B CN108609466 B CN 108609466B
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water
bin
pipe
liquid
water inlet
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CN108609466A (en
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姚华军
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00Hoistway equipment
    • B66B17/12Counterpoises
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

Abstract

The invention discloses an intelligent liquid equal-counterweight energy-saving environment-friendly elevator, wherein a water inlet pipe of a water inlet bin and a water outlet pipe of a water outlet bin are respectively connected with a water storage device positioned on the same floor, so that the frequency of adjusting liquid levels of different floors is reduced, and the power consumption is reduced; according to the invention, the liquid in the water inlet bin can be pressed into the drainage bin through the first liquid driving device, so that the liquid discharge is accelerated; the liquid injection speed of the water inlet bin can be accelerated through the first liquid driving device, so that the speed of counterweight adjustment of the elevator is improved; the invention can empty the liquid in the water inlet bin through the first liquid driving device, is convenient for responding to the weight adjustment of the heavy liquid tank, and has better practicability.

Description

Intelligent liquid counterweight energy-saving environment-friendly elevator
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to an intelligent liquid counterweight energy-saving environment-friendly elevator.
Background
The lifting of the traction type elevator is generally realized by connecting an elevator counterweight and an elevator car through a traction chain, and the counterweight is generally made of solid materials such as iron blocks, cement blocks and the like, and the weight of the counterweight is fixed at the moment. However, the weight of the elevator car changes with the change of passengers, and if the number of passengers in the car changes, the balance of the weight of the car and the counterweight is broken, and at this time, the power loss of the traction motor becomes large, and the power requirement on the traction motor is high.
Patent application number CN20172066203382 and application date 2017.06.08 in the prior art disclose a counterweight-adjustable elevator which utilizes liquid to adjust counterweight; however, liquid conditioning often requires the delivery of the underlying liquid to the top layer by means of a water pump or the like, with significant power loss. Patent application number is CN20162014110514, the patent of filing date 2016.12.201 discloses setting up the liquid reserve tank at every floor, however "to the delivery port butt joint of liquid reserve tank's water inlet and the delivery port that is in the liquid reserve tank of its top, to the delivery port butt joint of liquid reserve tank's the delivery port and the water inlet that is in the liquid reserve tank of its below", the liquid reserve tank of single floor appears easily overflows fully or dries up or dries, needs the liquid reserve tank liquid level of every floor of regulation of many times to can produce a large amount of power loss.
Disclosure of Invention
The invention aims to provide an intelligent liquid counterweight energy-saving environment-friendly elevator, wherein a water inlet pipe of a water inlet bin and a water outlet pipe of a water outlet bin are respectively connected with a water storage device positioned on the same floor, so that the frequency of adjusting liquid levels of different floors is reduced, and the power consumption is reduced; according to the invention, the liquid in the water inlet bin can be pressed into the drainage bin through the first liquid driving device, so that the liquid discharge is accelerated; the liquid injection speed of the water inlet bin can be accelerated through the first liquid driving device, so that the speed of counterweight adjustment of the elevator is improved; the invention can empty the liquid in the water inlet bin through the first liquid driving device, is convenient for responding to the weight adjustment of the heavy liquid tank, and has better practicability.
The invention is realized mainly by the following technical scheme: an intelligent liquid counterweight energy-saving environment-friendly elevator comprises a counterweight liquid tank and a water storage device which is arranged on each floor and used for carrying out liquid regulation on the counterweight liquid tank, wherein the counterweight liquid tank comprises a first liquid driving device, a drain valve, a water inlet and outlet valve, a communicating water pipe, a tank body, a drain bin and a water inlet bin which are sequentially arranged in the tank body from top to bottom; the drain bin is provided with a drain pipe, the drain pipe is provided with a drain valve, and the drain pipe penetrates through the box body and is connected with the top of the water storage device on the same floor; the water inlet bin is provided with a water inlet pipe, the water inlet pipe is provided with a water inlet valve, and the water inlet pipe penetrates through the box body and is connected with the bottom of the water storage device on the same floor; the bottom of the water draining bin is communicated with the top of the water inlet bin through a communicating water pipe, and the communicating water pipe is provided with a water inlet and drainage valve; the first liquid driving device comprises a first driving device, the water inlet bin is made of elastic and flexible materials, and the first driving device drives the water inlet bin to compress so that liquid in the water inlet bin is discharged to the water discharge bin.
One side of the first air compression bag and one side of the second air compression bag are respectively provided with an air inlet valve, so that air in the first air compression bag and the second air compression bag can be controlled to enter and not run off; the elastic and flexible air compression bin is made of elastic and flexible materials, such as rubber, and a gas release valve is arranged at the bottom of the elastic and flexible air compression bin so as to facilitate gas discharge; the elastic flexible air compression bin, the first air compression bag and the second air compression bag are all in the prior art and are not improvement points of the invention, so that the description is omitted. The invention is powered by the working power supply, which is the improvement point of the prior art and is not the invention, and therefore, the description is omitted. The drain valve, the water inlet valve and the water inlet and drain valve are all in the prior art and are not improvement points of the invention, so that the description is omitted.
In the use process, the first driving device is compressed into the water sump to enable the liquid in the water inlet sump to be discharged into the water drain sump, and the liquid in the heavy liquid tank is regulated into the water drain sump, so that the weight of the middle body of the heavy liquid tank can be conveniently and quickly regulated. When the weight of the elevator is increased, a water inlet valve is started, and liquid is injected into the water inlet bin; when the weight of the elevator is reduced, a drain valve is started, and liquid in the drain bin is drained.
The counterweight liquid tank is communicated with the water storage device on the same floor, so that the frequency of adjusting liquid levels on different floors can be reduced, and the power consumption is reduced; according to the invention, the liquid in the water inlet bin can be pressed into the drainage bin through the first liquid driving device, so that the liquid discharge is accelerated; the liquid injection speed of the water inlet bin can be accelerated through the first liquid driving device, so that the speed of counterweight adjustment of the elevator is improved; the invention can empty the liquid in the water inlet bin through the first liquid driving device, is convenient for responding to the weight adjustment of the heavy liquid tank, and has better practicability.
In order to better realize the invention, the first driving device further comprises a motor brake, a reset spring, a drainage pressure plate, a driven wheel arranged at the top of the counterweight liquid box, a counterweight lifting fixed pulley connected with an elevator traction rope and a driving wheel coaxially arranged with the counterweight lifting fixed pulley; the reset spring is arranged on the inner side of the box body at one end of the water inlet bin; one side of the drainage pressure plate is connected with the free end of the reset spring, and the other side of the drainage pressure plate is connected with the water inlet bin; the motor brake is used for separating the driven wheel from the driving wheel; the upper end and the lower end of the drainage bin are symmetrically provided with guide wheels, the upper end of the drainage pressure plate is connected with the guide wheels at the upper end of the water inlet bin through a chain, and the lower end of the drainage pressure plate sequentially penetrates through the guide wheels at the lower end and the guide wheels at the upper end of the water inlet bin through a chain and is connected with a driven wheel.
In the use process, the traction rope drives the counterweight lifting fixed pulley to rotate in the lifting process of the counterweight liquid box, at the moment, the driving wheel coaxially rotates, and the driving wheel drives the driven wheel to rotate, so that the chain is driven to pull the drainage pressure plate to linearly move in the drainage bin, the drainage pressure plate is compressed into the water bin, and liquid in the water inlet bin is led into the drainage bin; after the liquid in the drainage bin is drained, the motor brake separates the driven wheel from the driving wheel, and at the moment, the reset spring resets the first drainage pressure plate; the invention fully utilizes the potential energy and the kinetic energy of the heavy liquid tank, reduces the extra power loss and has better practicability. The motor brake is a modification point of the prior art and is not an improvement point of the present invention, and therefore, the description thereof will not be repeated.
The first driving device comprises a counterweight lifting fixed pulley arranged at the top of the counterweight liquid box and connected with the elevator traction rope, and auxiliary crank connecting rods arranged at two sides of the counterweight lifting fixed pulley, and the driving directions of the two auxiliary crank connecting rods are opposite; the device also comprises an auxiliary air pipe, auxiliary air compression bags arranged at two ends of the top of the counterweight box and a flexible elastic air compression bin arranged at one end of the inside of the water inlet bin; the free ends of auxiliary crank connecting rods at two sides of the counterweight lifting fixed pulley are respectively connected with auxiliary air compression bags, and the counterweight lifting fixed pulley drives the auxiliary air compression bags through the auxiliary crank connecting rods; the auxiliary air compression bags are respectively communicated with one end of an auxiliary air pipe, and the other end of the auxiliary air pipe is connected with a flexible elastic air compression bin arranged in the water inlet bin; the air compressor is characterized in that a control valve is arranged on the auxiliary air pipe, an air inlet valve is arranged on one side of the auxiliary air compression bag, and an air release valve is arranged in the elastic flexible air compression bin.
In the use process, the traction rope drives the counterweight lifting fixed pulleys to rotate in the lifting process of the counterweight liquid box, so that auxiliary crank connecting rods at two sides of the counterweight lifting fixed pulleys are driven to move, and air flows into auxiliary air pipes through the auxiliary crank connecting rods, the auxiliary air pipes can supply air to the elastic flexible air compression bin of the water inlet bin, and the elastic flexible air compression bin can press water in the water inlet bin into the water outlet bin; the air release valve in the elastic flexible air compression bin can be opened to release air, so that space is reserved to enable water to be injected into the water inlet bin. The invention fully utilizes the potential energy and the kinetic energy of the heavy liquid tank, reduces the extra power loss and has better practicability.
In order to better realize the invention, the invention further comprises a second liquid driving device, wherein the water storage device comprises a straight-through water pipe, a communication water pipe, an attic water reservoir arranged at the top of a floor, a bottom water reservoir arranged at the bottom of the floor, a transfer water reservoir between the attic water reservoir and the bottom water reservoir of different floors which are equidistantly arranged, and an intermediate water change bin of different floors which is arranged between adjacent transfer water reservoirs; the bottom building reservoir is communicated with the conversion reservoirs through the straight-through water pipes, and the straight-through water pipes are communicated with the conversion reservoirs of different floors through branch pipes; the bottom of the conversion reservoir is connected with the middle water exchange bin above through a communication water pipe, and the adjacent middle water exchange bins are communicated through the communication water pipe; control water valves are arranged at both ends of the straight-through water pipe, the branch pipe and the communicating pipe; the second liquid driving device comprises a second driving device and a flexible elastic air compression bin which is respectively arranged at the bottom of a reservoir of the device bottom building and the bottom of the conversion reservoir, and the second driving device drives the flexible elastic air compression bin to move and is used for extruding liquid upwards; the water outlet and the water inlet are respectively arranged on the top building reservoir, the bottom building reservoir, the conversion reservoir and the middle water exchange bin corresponding to the water inlet pipe and the water outlet pipe.
In the use process, the liquid in the bottom building reservoir is led into the top building reservoir through the second liquid driving device, and the top building reservoir can respectively guide the liquid into the conversion reservoir under the gravity action of the liquid; or the bottom building impounding reservoir is a conversion impounding reservoir for leading the liquid in the bottom building impounding reservoir into a certain floor through the cooperation of the straight through pipe and the control valve; the conversion reservoir respectively guides liquid into the middle water-exchanging bin above through the elastic flexible air compression bin, when the liquid in the middle water-exchanging bin is excessive, the water in the middle water-exchanging bin is discharged into the conversion reservoir under the action of gravity, and the conversion reservoir discharges the water into the building reservoir; the invention reduces the power consumption of pressing the liquid from the low position to the high position by arranging the conversion reservoir, and has better practicability. When the liquid level of the middle water exchange bin of one floor is lower, a control water valve in the middle water exchange bin is started, so that water supplementing is realized; when the liquid in the middle water exchanging bin of one floor is more, the control water valves of the floor communicating water pipe and the communicating water pipe on the transferring reservoir are opened, so that the liquid is led into the transferring reservoir. According to the invention, the liquid supplementing or discharging modes can be selected independently according to the arrangement of the conversion reservoirs with different floor heights, the scheme is more in selection, and the optimal energy-saving scheme can be achieved.
In order to better realize the invention, the second liquid driving device further comprises a first air compression bag, a second air compression bag, a gas pipe, a first air branch pipe and a second air branch pipe; one end of the air pipe is respectively communicated with a first air branch pipe and a second air branch pipe, and the other end of the first air branch pipe is connected with an elastic and flexible air compression bin in a building reservoir; the second air branch pipes are respectively communicated with the elastic flexible air compression bin at the bottom of the conversion reservoir; control valves are respectively arranged at the connection part of the first air branch pipe and the building water reservoir and the connection part of the second air branch pipe and the conversion water reservoir; the first air compression bag and the second air compression bag are communicated with the air delivery pipe, the first air branch pipe and the second air branch pipe; the first air compression bag and the second air compression bag are respectively connected with a second driving device.
In the use process, the first air compression bag and the second air compression bag can convey air flow into the air conveying pipe, and the air conveying pipe can supply air to the elastic and flexible air compression bin at the bottom of the building reservoir, so that the elastic and flexible air compression bin presses water in the building reservoir into the straight-through water pipe; the valve switch in the elastic and flexible air compression bin can be opened to deflate, and the air flows out or is discharged to the outside through the air transmission pipe, so that a space is reserved for allowing the liquid in the straight-through water pipe to flow downwards, and the air is supplied to the elastic and flexible air compression bin at the bottom of the conversion reservoir, so that the liquid in the conversion reservoir is discharged upwards; similarly, the first air compression bag and the second air compression bag respectively supply air to the elastic and flexible air compression bin at the bottom of the conversion reservoir through the second air branch pipe, so that the elastic and flexible air compression bin presses the liquid in the conversion reservoir into the communicating water pipe; the valve switch in the elastic and flexible air compression bin can be opened to deflate, and the air is discharged to the outside through the air transmission pipe, so that a sufficient space is reserved for allowing the liquid in the straight-through water pipe to flow downwards, and the air is supplied to the elastic and flexible air compression bin at the bottom of the next-stage conversion reservoir, so that the liquid in the conversion reservoir is discharged upwards.
In order to better realize the invention, the second driving device comprises a first driving wheel, a second driving wheel, a first crank connecting rod and a second crank connecting rod; the first driving wheel and the second driving wheel are in the same specification and are arranged in the elevator shaft; the bottom of the counterweight liquid box sequentially passes through the second driving wheel and the first driving wheel through a tensioning rope and is connected with the bottom of the lift car; the first driving wheel is connected with the first crank connecting rod, and drives the first air compression bag through the first crank connecting rod; the second driving wheel is connected with the second crank connecting rod, and drives the second air compression bag through the second crank connecting rod; the movement direction of the first crank connecting rod is opposite to that of the second crank connecting rod.
In the use process of the invention, the first crank connecting rod and the second crank connecting rod respectively and periodically compress the first air compression bag and the second air compression bag to enable gas to respectively enter the elastic and flexible air compression bin; in the motion process of the elevator, the tensioning rope can drive the first driving wheel and the second driving wheel to rotate in the same direction, so that the first crank connecting rod and the second crank connecting rod are driven to periodically move. The driving wheel drives the crank connecting rod to do crank motion, and the connection relation between the crank connecting rod and the driving wheel is the prior art and is not an improvement point of the invention, so that the description is omitted.
In order to better realize the invention, the invention further comprises an emergency drain pipe arranged at the bottom of the water inlet bin, wherein the emergency drain pipe is connected with the water inlet of the water storage device of the next floor, and an emergency drain valve is arranged on the emergency drain pipe. In order to prevent the liquid in the water inlet bin from being discharged too slowly due to too low speed of pressing the liquid in the water inlet bin into the water storage device for floors below heavy liquid through the emergency drain valve. The emergency drain valve is arranged to prevent the drain bin from malfunctioning, and has good practicability.
In order to better realize the invention, the elevator car further comprises a traction wheel, a traction rope, a controller and a weight sensor arranged at the bottom of the car or at the door of each floor of the elevator; the lift car and the counterweight liquid box are respectively hung at two sides of the dragging motor through dragging ropes; the controller is respectively connected with the water storage device, the drain valve, the water inlet valve, the drain valve, the control water valve, the first driving device, the second driving device, the weight sensor and the dragging motor.
In order to better realize the invention, the invention further comprises liquid level sensors which are respectively arranged in the water inlet bin, the water outlet bin, the attic reservoir, the conversion reservoir and the middle water exchange bin, and the liquid level sensors are connected with the controller. In the use process, the liquid level sensor can accurately detect the internal liquid level information of the water inlet bin, the water discharge bin, the attic reservoir, the bottom building reservoir and the middle water exchange bin, so that the accurate regulation and control are realized, and the intelligent water level sensor has good practicability. The controller can be an AFPX-C40T PCL controller produced by Panasonic/Songshi, an FX3SA-30MT-CM PCL controller produced by Mitsubishi/Mitsubishi, and a 30MR SCM controller produced by Mitsubishi/Mitsubishi.
The invention has the beneficial effects that:
(1) The drain bin is provided with a drain pipe, the drain pipe is provided with a drain valve, and the drain pipe penetrates through the box body and is connected with the top of the water storage device on the same floor; the water inlet bin is provided with a water inlet pipe, the water inlet pipe is provided with a water inlet valve, and the water inlet pipe penetrates through the box body and is connected with the bottom of the water storage device on the same floor; the bottom of the water draining bin is communicated with the top of the water inlet bin through a communicating water pipe, and the communicating water pipe is provided with a water inlet and drainage valve; the first liquid driving device comprises a first driving device, the water inlet bin is made of elastic and flexible materials, and the first driving device drives the water inlet bin to compress so that liquid in the water inlet bin is discharged to the water discharge bin. The water inlet pipe of the water inlet bin and the water outlet pipe of the water outlet bin are respectively connected with the water storage device positioned on the same floor, so that the frequency of adjusting the liquid level of different floors is reduced, and the power consumption is reduced; according to the invention, the liquid in the water inlet bin can be pressed into the drainage bin through the first liquid driving device, so that the liquid discharge is accelerated; the liquid injection speed of the water inlet bin can be accelerated through the first liquid driving device, so that the speed of counterweight adjustment of the elevator is improved; the invention can empty the liquid in the water inlet bin through the first liquid driving device, is convenient for responding to the weight adjustment of the heavy liquid tank, and has better practicability.
(2) The reset spring is arranged on the inner side of the box body at one end of the water inlet bin; one side of the drainage pressure plate is connected with the free end of the reset spring, and the other side of the drainage pressure plate is connected with the water inlet bin; the motor brake is used for separating the driven wheel from the driving wheel; the guide wheels are symmetrically arranged above and below the other end of the drainage bin, one end of the chain is fixed on the guide wheels at the upper end of the drainage bin, and the other end of the chain sequentially penetrates through the upper end and the lower end of the drainage pressure plate and the guide wheels at the lower end of the drainage bin and is connected with the driven wheel. The invention fully utilizes the potential energy and the kinetic energy of the heavy liquid tank, reduces the extra power loss and has better practicability.
(3) The free ends of auxiliary crank connecting rods at two sides of the counterweight lifting fixed pulley are respectively connected with auxiliary air compression bags, and the counterweight lifting fixed pulley drives the auxiliary air compression bags through the auxiliary crank connecting rods; the auxiliary air compression bags are respectively communicated with one end of an auxiliary air pipe, and the other end of the auxiliary air pipe is connected with a flexible elastic air compression bin arranged in the water inlet bin; the air compressor is characterized in that a control valve is arranged on the auxiliary air pipe, an air inlet valve is arranged on one side of the auxiliary air compression bag, and an air release valve is arranged in the elastic flexible air compression bin. The invention fully utilizes the potential energy and the kinetic energy of the heavy liquid tank, reduces the extra power loss and has better practicability.
(4) The bottom building reservoir is communicated with the conversion reservoirs through the straight-through water pipes, and the straight-through water pipes are communicated with the conversion reservoirs of different floors through branch pipes; the bottom of the conversion reservoir is connected with the middle water exchange bin above through a communication water pipe, and the adjacent middle water exchange bins are communicated through the communication water pipe; control water valves are arranged at both ends of the straight-through water pipe, the branch pipe and the communicating pipe; the second liquid driving device comprises a second driving device and a flexible elastic air compression bin which is respectively arranged at the bottom of the device building water reservoir and the bottom of the conversion water reservoir, and the second driving device drives the flexible elastic air compression bin to move and is used for extruding liquid upwards. According to the invention, the liquid supplementing or discharging modes can be selected independently according to the arrangement of the conversion reservoirs with different floor heights, the scheme is more in selection, and the optimal energy-saving scheme can be achieved.
(5) One end of the air pipe is respectively communicated with a first air branch pipe and a second air branch pipe, and the other end of the first air branch pipe is connected with an elastic and flexible air compression bin in a building reservoir; the second air branch pipes are respectively communicated with the elastic flexible air compression bin at the bottom of the conversion reservoir; control valves are respectively arranged at the connection part of the first air branch pipe and the building water reservoir and the connection part of the second air branch pipe and the conversion water reservoir; the first air compression bag and the second air compression bag are communicated with the air delivery pipe, the first air branch pipe and the second air branch pipe; the first air compression bag and the second air compression bag are respectively connected with a second driving device. According to the invention, the liquid flows through air compression, the water compression of the elastic flexible air compression bin can be realized through the arrangement, the water content of different conversion reservoirs can be conveniently adjusted, and the device has good practicability.
(6) The bottom of the counterweight liquid box sequentially passes through the second driving wheel and the first driving wheel through a tensioning rope and is connected with the bottom of the lift car; the first driving wheel is connected with the first crank connecting rod, and drives the first air compression bag through the first crank connecting rod; the second driving wheel is connected with the second crank connecting rod, and drives the second air compression bag through the second crank connecting rod; the movement direction of the first crank connecting rod is opposite to that of the second crank connecting rod. The invention fully utilizes the potential energy and the kinetic energy of the heavy liquid tank, reduces the extra power loss and has better practicability.
(7) The emergency drain pipe is connected with a water inlet of a water storage device of the next floor, and an emergency drain valve is arranged on the emergency drain pipe. According to the water storage device for the floor below the heavy liquid, the water is discharged into the floor below the heavy liquid through the emergency drain valve, the water discharge bin is prevented from being failed through the emergency drain valve, and the water storage device has good practicability.
(8) The device also comprises liquid level sensors which are respectively arranged in the water inlet bin, the drainage bin, the attic reservoir, the bottom reservoir and the middle water exchange bin, and the liquid level sensors are connected with the controller. The invention can accurately detect the internal liquid level information of the water inlet bin, the drainage bin, the attic reservoir, the bottom building reservoir and the middle water exchange bin through the liquid level sensor, thereby realizing accurate regulation and control and having better practicability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a second driving device;
FIG. 3 is a schematic diagram of the structure of the heavy liquid tank;
fig. 4 is a schematic diagram of a connection structure of the auxiliary air pipe and the water inlet bin.
Wherein: 1-lift car, 2-counterweight liquid tank, 201-drainage bin, 202-water inlet bin, 203-drain pipe, 204-water inlet pipe, 205-communicated water pipe, 3-dragging motor, 4-building water reservoir, 5-building water reservoir, 6-conversion water reservoir, 7-middle water reservoir, 8-communicated water pipe, 9-second driving wheel, 10-first driving wheel, 11-first crank connecting rod, 12-first air compression bag, 13-second air compression bag, 14-gas transmission pipe, 15-first air branch pipe, 16-second air branch pipe, 17-counterweight lifting fixed pulley, 18-driving wheel, 19-reset spring, 20-drainage pressure plate, 21-emergency drain pipe, 22-auxiliary crank connecting rod, 23-auxiliary air compression bag and 24-auxiliary air pipe.
Detailed Description
Example 1:
the intelligent liquid counterweight energy-saving environment-friendly elevator comprises a counterweight liquid tank 2 and a water storage device which is arranged on each floor and is used for carrying out liquid regulation on the counterweight liquid tank 2, wherein the counterweight liquid tank 2 comprises a first liquid driving device, a drain valve, a water inlet valve, a water outlet valve, a communicating water pipe 205, a tank body, a drain bin 201 and a water inlet bin 202 which are sequentially arranged in the tank body from top to bottom; a drain pipe 203 is arranged on the drain bin 201, a drain valve is arranged on the drain pipe 203, and the drain pipe 203 penetrates through the box body to be connected with the top of a water storage device on the same floor; a water inlet pipe 204 is arranged on the water inlet bin 202, a water inlet valve is arranged on the water inlet pipe 204, and the water inlet pipe 204 penetrates through the tank body and is connected with the bottom of a water storage device on the same floor; the bottom of the drainage bin 201 is communicated with the top of the water inlet bin 202 through a communication water pipe 205, and the communication water pipe 205 is provided with a water inlet and drainage valve; the first liquid driving device comprises a first driving device, the water inlet bin 202 is made of elastic flexible materials, and the first driving device drives the water inlet bin 202 to compress so that liquid in the water inlet bin 202 can be discharged to the water outlet bin 201.
In the use process of the invention, the first driving device is compressed into the water bin 202 to enable the liquid in the water inlet bin 202 to be discharged into the water discharge bin 201, and the liquid in the heavy liquid tank 2 is uniformly regulated into the water discharge bin 201, so that the weight of the medium body of the heavy liquid tank 2 can be conveniently and quickly regulated. When the weight of the elevator increases, a water inlet valve is started, and liquid is injected into the water inlet bin 202; when the weight of the elevator decreases, a drain valve is activated, and the liquid inside the drain bin 201 is drained.
The counterweight liquid tank 2 is communicated with the water storage device on the same floor, so that the frequency of adjusting liquid levels on different floors can be reduced, and the power consumption is reduced; according to the invention, the liquid in the water inlet bin 202 can be pressed into the water discharge bin 201 through the first liquid driving device, so that the liquid discharge is accelerated; the liquid injection speed of the water inlet bin 202 can be accelerated through the first liquid driving device, so that the speed of counterweight adjustment of the elevator is improved; the invention can empty the liquid in the water inlet bin 202 through the first liquid driving device, is convenient to respond to the weight adjustment of the heavy liquid tank 2, and has better practicability.
Example 2:
the embodiment is further optimized on the basis of embodiment 1, as shown in fig. 3, the first driving device comprises a motor brake, a reset spring 19, a drainage pressure plate 20, a driven wheel arranged at the top of the counterweight liquid tank 2, a counterweight lifting fixed pulley 17 connected with an elevator traction rope, and a driving wheel 18 coaxially arranged with the counterweight lifting fixed pulley 17; the reset spring 19 is arranged on the inner side of the box body at one end of the water inlet bin 202; one side of the drainage pressure plate 20 is connected with the free end of the return spring 19, and the other side of the drainage pressure plate 20 is connected with the water inlet bin 202; the driving wheel 18 is meshed with the driven wheel, and the motor brake is used for separating the driven wheel from the driving wheel 18; guide wheels are symmetrically arranged above and below the other end of the water draining bin 201, the upper end of the water draining pressure plate 20 is connected with the guide wheels at the upper end of the water inlet bin 201 through a chain, and the lower end of the water draining pressure plate 20 sequentially penetrates through the guide wheels at the lower end and the guide wheels at the upper end of the water inlet bin 201 through the chain and is connected with a driven wheel.
In the use process of the invention, in the lifting process of the counterweight liquid tank 2, the dragging rope drives the counterweight lifting fixed pulley 17 to rotate, at the moment, the driving wheel 18 coaxially rotates, and the driving wheel 18 drives the driven wheel to rotate, so that the chain is driven to pull the drainage pressure plate 20 to linearly move in the drainage bin 201, and the drainage pressure plate 20 is compressed into the water bin 202, so that the liquid in the water inlet bin 202 is led into the drainage bin 201; when the liquid in the drainage bin 201 is drained, the motor brake separates the driven wheel from the driving wheel 18, and at the moment, the return spring 19 resets the first drainage pressure plate 20; the invention fully utilizes the potential energy and the kinetic energy of the heavy liquid tank 2, reduces the extra power loss and has better practicability.
Other portions of this embodiment are the same as those of embodiment 1, and thus will not be described in detail.
Example 3:
this embodiment is further optimized based on embodiment 1 or 2, as shown in fig. 1, and further comprises a second liquid driving device, wherein the water storage device comprises a through water pipe 8, a communication water pipe 205, an attic reservoir 5 arranged at the top of a floor, a bottom reservoir 4 arranged at the bottom of the floor, a transfer reservoir 6 between the attic reservoir 5 and the bottom reservoir 4 which are equidistantly arranged at different floors, and an intermediate water change bin 7 arranged at different floors between adjacent transfer reservoirs 6; the bottom building reservoir 4 is communicated with the conversion reservoir 6 through a straight-through water pipe 8, and the straight-through water pipe 8 is communicated with the conversion reservoirs 6 of different floors through branch pipes; the bottom of the conversion reservoir 6 is connected with the middle water exchanging bin 7 above through a communication water pipe 205, and the adjacent middle water exchanging bins 7 are communicated through the communication water pipe 205; control water valves are arranged at both ends of the straight-through water pipe 8, on the branch pipe and on the communicating pipe; the second liquid driving device comprises a second driving device and a flexible elastic air compression bin which is respectively arranged at the bottom of the bottom building reservoir 4 and the bottom of the conversion reservoir 6, and the second driving device drives the flexible elastic air compression bin to move and is used for extruding liquid upwards; and the top building reservoir 5, the bottom building reservoir 4, the conversion reservoir 6 and the middle water exchange bin 7 are respectively provided with a water outlet and a water inlet corresponding to the water inlet pipe 204 and the water outlet pipe.
In the use process, the liquid in the bottom building reservoir 4 is led into the top building reservoir 5 through the second liquid driving device, and the top building reservoir 5 can respectively guide the liquid into the conversion reservoir 6 under the gravity action of the liquid; or the bottom building water reservoir 4 is matched with the control valve through the through pipe, so that the liquid in the bottom building water reservoir 4 is led into the conversion water reservoir 6 of a certain floor; the conversion reservoir 6 guides the liquid into the middle water change bin 7 above through the elastic flexible air compression bin, when the liquid in the middle water change bin 7 is excessive, the water in the middle water change bin 7 is discharged into the conversion reservoir 6 under the action of gravity, and the conversion reservoir 6 discharges the water into the building reservoir 4; the invention reduces the power consumption of pressing liquid from low to high by arranging the conversion reservoir 6, and has better practicability. When the liquid level of the middle water exchanging bin 7 of one floor is lower, a control water valve in the middle water exchanging bin 7 is started, so that water supplementing is realized; when the middle water change bin 7 of one floor has more liquid, the control water valves of the water communication pipe 205 of the floor and the water communication pipe 205 on the change-over reservoir 6 are opened, so that the liquid is led into the change-over reservoir 6. According to the invention, the liquid supplementing or discharging mode can be selected independently according to the arrangement of the switching reservoir 6 with different floor heights, the scheme is more in selection, and the optimal energy-saving scheme can be achieved.
Other portions of this embodiment are the same as those of embodiment 1 or 2 described above, and thus will not be described again.
Example 4:
this embodiment is further optimized based on embodiment 3, as shown in fig. 2, the second liquid driving device further includes a first air compressing bag 12, a second air compressing bag 13, a gas pipe 14, a first air branch pipe 15, and a second air branch pipe 16; one end of the air pipe 14 is respectively communicated with a first air branch pipe 15 and a second air branch pipe 16, and the other end of the first air branch pipe 15 is connected with an elastic and flexible air compression bin in the building reservoir 4; the second air branch pipes 16 are respectively communicated with the elastic and flexible air compression bins at the bottom of the conversion reservoir 6; control valves are respectively arranged at the connection part of the first air branch pipe 15 and the building water reservoir 4 and the connection part of the second air branch pipe 16 and the conversion water reservoir 6; the first air compression bag 12 and the second air compression bag 13 are communicated with the air pipe 14, the first air branch pipe 15 and the second air branch pipe 16; the first air compression bag 12 and the second air compression bag 13 are respectively connected with a second driving device.
The second driving device comprises a first driving wheel 10, a second driving wheel 9, a first crank connecting rod 11 and a second crank connecting rod; the first driving wheel 10 and the second driving wheel 9 are of the same specification and are arranged in the elevator shaft; the bottom of the counterweight liquid box 2 sequentially passes through the second driving wheel 9 and the first driving wheel 10 through a tensioning rope and is connected with the bottom of the car 1; the first driving wheel 10 is connected with a first crank connecting rod 11, and the first driving wheel 10 drives a first air compression bag 12 through the first crank connecting rod 11; the second driving wheel 9 is connected with a second crank connecting rod, and the second driving wheel 9 drives a second air compression bag 13 through the second crank connecting rod; the first crank link 11 is moved in the opposite direction to the second crank link. One side of the first air compression bag 12 and one side of the second air compression bag 13 are respectively provided with an air inlet valve; the bottom of the elastic flexible air compression bin is provided with a release valve.
In the use process of the invention, the first air compression bag 12 can convey air flow into the air conveying pipe 14, and the air conveying pipe 14 can supply air to the elastic and flexible air compression bin at the bottom of the building reservoir 4, so that the elastic and flexible air compression bin presses water in the building reservoir 4 into the straight-through water pipe 8; the valve switch in the elastic flexible air compression bin can be opened to deflate, and the air flows out through the air pipe 14, so that the downward flow of the liquid in the straight-through water pipe 8 is realized; the first air compression bag 12 and the second air compression bag 13 respectively supply air to the elastic and flexible air compression bin at the bottom of the conversion reservoir 6 through the second air branch pipe 16, so that the elastic and flexible air compression bin presses the liquid in the conversion reservoir 6 into the communicating water pipe 205; the valve switch in the elastic flexible air compression bin can be opened to enable the air to be discharged, and the air flows out through the air conveying pipe 14, so that the liquid in the communication water pipe 205 flows downwards.
In the use process of the invention, the first crank connecting rod 11 and the second crank connecting rod respectively and periodically compress the first air compression bag 12 and the second air compression bag 13 to enable gas to respectively enter the elastic flexible air compression bin; in the motion process of the elevator, the tensioning rope can drive the first driving wheel 10 and the second driving wheel 9 to rotate in the same direction, so that the first crank connecting rod 11 and the second crank connecting rod are driven to periodically move.
Other portions of this embodiment are the same as those of embodiment 3, and thus will not be described again.
Example 5:
the embodiment is further optimized on the basis of the embodiment 3, and further comprises a dragging wheel, a dragging rope, a controller and a weight sensor arranged at the bottom of the car 1; the lift car 1 and the counterweight liquid box 2 are respectively hung at two sides of the dragging motor 3 through dragging ropes; the controller is respectively connected with the water storage device, the drain valve, the water inlet valve, the drain valve, the control water valve, the first driving device, the second driving device, the weight sensor and the dragging motor 3. The device also comprises liquid level sensors which are respectively arranged in the water inlet bin 202, the water outlet bin 201, the attic reservoir 5, the attic reservoir 4, the conversion reservoir 6 and the middle water exchange bin 7, and the liquid level sensors are connected with a controller.
The invention can accurately detect the internal liquid level information of the water inlet bin 202, the water discharge bin 201, the attic reservoir 5, the attic reservoir 4 and the middle water exchange bin 7 through the liquid level sensor, thereby realizing accurate regulation and control and having better practicability.
Other portions of this embodiment are the same as those of embodiment 3, and thus will not be described again.
Example 6:
the embodiment is further optimized on the basis of embodiment 1, as shown in fig. 4, the first driving device comprises a counterweight lifting fixed pulley 17 arranged at the top of the counterweight liquid tank 2 and connected with an elevator traction rope, and auxiliary crank connecting rods 22 arranged at two sides of the counterweight lifting fixed pulley 17, and the driving directions of the two auxiliary crank connecting rods 22 are opposite; the device also comprises an auxiliary air pipe 24, auxiliary air compression bags 23 arranged at two ends of the top of the counterweight box 2 and a flexible elastic air compression bin arranged at one end inside the water inlet bin 202; the free ends of auxiliary crank connecting rods 22 at two sides of the counterweight lifting fixed pulley 17 are respectively connected with auxiliary air compression bags 23, and the counterweight lifting fixed pulley 17 drives the auxiliary air compression bags 23 through the auxiliary crank connecting rods 22; the auxiliary air compression bags 23 are respectively communicated with one end of an auxiliary air pipe 24, and the other end of the auxiliary air pipe 24 is connected with a flexible air compression bin arranged in the water inlet bin 202; the auxiliary air pipe 24 is provided with a control valve, one side of the auxiliary air compression bag 23 is provided with an air inlet valve, and the elastic flexible air compression bin is provided with an air release valve.
The water storage device further comprises an emergency drain pipe 21 arranged at the bottom of the water inlet bin 202, the emergency drain pipe 21 is connected with a water inlet of a water storage device of the next floor, and an emergency drain valve is arranged on the emergency drain pipe 21. The water storage device for draining water to the floor below the heavy liquid through the emergency drain valve prevents the drain bin 201 from malfunctioning through the arrangement of the emergency drain valve, and has good practicability.
In the use process of the invention, the traction rope drives the counterweight lifting fixed pulley 17 to rotate in the lifting process of the counterweight liquid tank 2 so as to drive auxiliary crank connecting rods 22 at two sides to move, thereby driving auxiliary air compression bags 23 to flow air into auxiliary air pipes 24 through the auxiliary crank connecting rods 22, and the auxiliary air pipes 24 can supply air to the elastic flexible air compression chambers of the water inlet chambers 202, so that the elastic flexible air compression chambers can press the water pressure in the water inlet chambers 202 into the water discharge chambers 201; a bleed valve in the resiliently flexible air compression chamber may also be opened to allow bleed air, thereby allowing room for water injection into the water inlet chamber 202. The invention fully utilizes the potential energy and the kinetic energy of the heavy liquid tank 2, reduces the extra power loss and has better practicability.
Other portions of this embodiment are the same as those of embodiment 1 described above, and thus will not be described again.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present invention fall within the scope of the present invention.

Claims (8)

1. The intelligent liquid counterweight energy-saving environment-friendly elevator comprises a counterweight liquid tank (2) and a water storage device which is arranged on each floor and is used for carrying out liquid regulation on the counterweight liquid tank (2), and is characterized in that the counterweight liquid tank (2) comprises a first liquid driving device, a drain valve, a water inlet valve, a water outlet valve, a communicating water pipe (205), a tank body, a drain bin (201) and a water inlet bin (202) which are sequentially arranged in the tank body from top to bottom; a drain pipe (203) is arranged on the drain bin (201), a drain valve is arranged on the drain pipe (203), and the drain pipe (203) penetrates through the box body to be connected with the top of a water storage device on the same floor; a water inlet pipe (204) is arranged on the water inlet bin (202), a water inlet valve is arranged on the water inlet pipe (204), and the water inlet pipe (204) penetrates through the box body and is connected with the bottom of a water storage device on the same floor; the bottom of the drainage bin (201) is communicated with the top of the water inlet bin (202) through a communication water pipe (205), and a water inlet and drainage valve is arranged on the communication water pipe (205); the first liquid driving device comprises a first driving device, the water inlet bin (202) is made of elastic and flexible materials, and the first driving device drives the water inlet bin (202) to compress so that liquid in the water inlet bin (202) is discharged to the water outlet bin (201); the water storage device is characterized by further comprising an emergency drain pipe (21) arranged at the bottom of the water inlet bin (202), wherein the emergency drain pipe (21) is connected with a water inlet of a water storage device of the next floor, and an emergency drain valve is arranged on the emergency drain pipe (21); liquid level sensors are respectively arranged in the water inlet bin (202) and the water outlet bin (201).
2. The intelligent liquid counterweight energy-saving environment-friendly elevator according to claim 1, wherein the first driving device comprises a motor brake, a reset spring (19), a drainage pressure plate (20), a driven wheel arranged at the top of the counterweight liquid tank (2), a counterweight lifting fixed pulley (17) connected with an elevator traction rope, and a driving wheel (18) coaxially arranged with the counterweight lifting fixed pulley (17); the return spring (19) is arranged on the inner side of the box body at one end of the water inlet bin (202); one side of the drainage pressure plate (20) is connected with the free end of the reset spring (19), and the other side of the drainage pressure plate (20) is connected with the water inlet bin (202); the driving wheel (18) is meshed with the driven wheel, and the motor brake is used for separating the driven wheel from the driving wheel (18); guide wheels are symmetrically arranged above and below the other end of the water inlet bin (202), the upper end of the water discharge pressure plate (20) is connected with the guide wheels at the upper end of the water inlet bin (202) through a chain, and the lower end of the water discharge pressure plate (20) sequentially penetrates through the guide wheels at the lower end and the guide wheels at the upper end of the water inlet bin (202) through the chain and is connected with a driven wheel.
3. The intelligent liquid counterweight energy-saving environment-friendly elevator according to claim 1, wherein the first driving device comprises a counterweight lifting fixed pulley (17) arranged at the top of a counterweight liquid tank (2) and connected with an elevator traction rope, and auxiliary crank connecting rods (22) arranged at two sides of the counterweight lifting fixed pulley (17), and the driving directions of the two auxiliary crank connecting rods (22) are opposite; the gravity liquid tank also comprises an auxiliary air pipe (24), auxiliary air compression bags (23) arranged at two ends of the top of the gravity liquid tank (2), and a flexible elastic air compression bin arranged at one end inside the water inlet bin (202); the free ends of auxiliary crank connecting rods (22) at two sides of the counterweight lifting fixed pulley (17) are respectively connected with auxiliary air compression bags (23), and the counterweight lifting fixed pulley (17) drives the auxiliary air compression bags (23) through the auxiliary crank connecting rods (22); the auxiliary air compression bag (23) is respectively communicated with one end of an auxiliary air pipe (24), and the other end of the auxiliary air pipe (24) is connected with a flexible elastic air compression bin arranged in the water inlet bin (202); the auxiliary air pipe (24) is provided with a control valve, one side of the auxiliary air compression bag (23) is provided with an air inlet valve, and the elastic flexible air compression bin is provided with an air release valve.
4. An intelligent liquid counterweight energy saving environment friendly elevator according to any one of claims 1-3 further comprising a second liquid drive, said water storage means comprising a straight through water pipe (8), a communicating water pipe (205), a top building water reservoir (5) arranged at the top of a floor, a bottom building water reservoir (4) arranged at the bottom of a floor, a transfer water reservoir (6) between the top building water reservoir (5) and the bottom building water reservoir (4) arranged at different floors equidistantly, an intermediate water change bin (7) arranged at different floors between adjacent transfer water reservoirs (6); the bottom building water reservoir (4) is communicated with the conversion water reservoir (6) through a straight-through water pipe (8), and the straight-through water pipe (8) is communicated with the conversion water reservoirs (6) of different floors through branch pipes; the bottom of the conversion reservoir (6) is connected with the middle water exchange bin (7) above through a communication water pipe (205), and the adjacent middle water exchange bins (7) are communicated through the communication water pipe (205); control water valves are arranged at the two ends of the straight-through water pipe (8), the branch pipe and the communicating pipe; the second liquid driving device comprises a second driving device and a flexible elastic air compression bin which is respectively arranged at the bottom of a building water reservoir (4) and the bottom of a conversion water reservoir (6), and the second driving device drives the flexible elastic air compression bin to move and is used for extruding liquid upwards; the water outlet and the water inlet are respectively arranged on the top building water reservoir (5), the bottom building water reservoir (4), the conversion water reservoir (6) and the middle water exchange bin (7) corresponding to the water inlet pipe (204) and the water outlet pipe (203).
5. The intelligent liquid counterweight energy-saving environment-friendly elevator according to claim 4, wherein the second liquid driving device further comprises a first air compression bag (12), a second air compression bag (13), a gas pipe (14), a first air branch pipe (15) and a second air branch pipe (16); one end of the air pipe (14) is respectively communicated with a first air branch pipe (15) and a second air branch pipe (16), and the other end of the first air branch pipe (15) is connected with a flexible elastic air compression bin in the building reservoir (4); the second air branch pipes (16) are respectively communicated with the elastic flexible air compression bin at the bottom of the conversion reservoir (6); control valves are respectively arranged at the connection part of the first air branch pipe (15) and the building reservoir (4) and the connection part of the second air branch pipe (16) and the conversion reservoir (6); the first air compression bag (12) and the second air compression bag (13) are communicated with the air delivery pipe (14), the first air branch pipe (15) and the second air branch pipe (16); the first air compression bag (12) and the second air compression bag (13) are respectively connected with a second driving device.
6. The intelligent liquid counterweight energy-saving environment-friendly elevator according to claim 5, wherein the second driving device comprises a first driving wheel (10), a second driving wheel (9), a first crank connecting rod (11) and a second crank connecting rod; the first driving wheel (10) and the second driving wheel (9) are in the same specification and are arranged in the elevator shaft; the bottom of the counterweight liquid box (2) sequentially passes through the second driving wheel (9) and the first driving wheel (10) through a tensioning rope and is connected with the bottom of the lift car (1); the first driving wheel (10) is connected with the first crank connecting rod (11), and the first driving wheel (10) drives the first air compression bag (12) through the first crank connecting rod (11); the second driving wheel (9) is connected with a second crank connecting rod, and the second driving wheel (9) drives a second air compression bag (13) through the second crank connecting rod; the first crank connecting rod (11) and the second crank connecting rod move in opposite directions.
7. The intelligent liquid counterweight energy-saving environment-friendly elevator according to claim 5, wherein one side of the first air compression bag (12) and one side of the second air compression bag (13) are respectively provided with an air inlet valve; the bottom of the elastic flexible air compression bin is provided with a release valve.
8. The intelligent liquid counterweight energy-saving environment-friendly elevator according to claim 4, and further comprising a traction wheel, a traction rope, a controller and a weight sensor arranged at the bottom of the car (1) or at the elevator doorway of each floor; the lift car (1) and the counterweight box (2) are respectively hung at two sides of the dragging motor (3) through dragging ropes; the controller is respectively connected with the water storage device, the drain valve, the water inlet valve, the drain valve, the control water valve, the first driving device, the second driving device, the weight sensor and the dragging motor (3).
CN201810550739.8A 2018-05-31 2018-05-31 Intelligent liquid counterweight energy-saving environment-friendly elevator Active CN108609466B (en)

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CN110054059B (en) * 2019-04-09 2021-03-12 浙江西子别墅电梯制造有限公司 Novel weight self-interacting lift of long-life elevator device
KR102278002B1 (en) * 2020-12-03 2021-07-15 (주)엠알솔루텍 Variable control method and variable control system for load of counterweight for elevator
EP4219379A1 (en) * 2022-01-28 2023-08-02 Otis Elevator Company Elevator counterweight having a variable mass
JP7362879B1 (en) 2022-12-13 2023-10-17 東芝エレベータ株式会社 elevator equipment

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