CN106144855B - The method and apparatus that a kind of tractive driving apparatus of load balance and energy regenerating utilize - Google Patents

The method and apparatus that a kind of tractive driving apparatus of load balance and energy regenerating utilize Download PDF

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Publication number
CN106144855B
CN106144855B CN201610686773.9A CN201610686773A CN106144855B CN 106144855 B CN106144855 B CN 106144855B CN 201610686773 A CN201610686773 A CN 201610686773A CN 106144855 B CN106144855 B CN 106144855B
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China
Prior art keywords
pipeline
valve
directional control
control valve
solenoid directional
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CN201610686773.9A
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Chinese (zh)
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CN106144855A (en
Inventor
莫虎
路长志
程凡
程一凡
张俊
马幸福
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Changsha Zhenzhi Elevator Co.,Ltd.
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Hunan Electrical College of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04Driving gear ; Details thereof, e.g. seals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04Driving gear ; Details thereof, e.g. seals
    • B66B11/0423Driving gear ; Details thereof, e.g. seals actuated pneumatically or hydraulically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14Energy-recuperation means
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Elevator Control (AREA)

Abstract

The present invention provides the method and apparatus that a kind of tractive driving apparatus of load balance and energy regenerating utilize, and the device that tractive driving apparatus of load of the invention balances and energy regenerating utilizes includes two-way pump, solenoid directional control valve, controller and weighing sensor;The Single port of the two-way pump is connected to by first pipe with fuel tank, the another port of two-way pump is connected to by second pipe with the fuel feed hole of solenoid directional control valve, first oil outlet of solenoid directional control valve is connected to by third pipeline with fuel tank, second oil outlet of the solenoid directional control valve is connected to by the 4th pipeline with third pipeline, accumulator and the 4th pipeline are connected by the 5th pipeline, 5th pipeline is equipped with solenoid-operated proportional pressure reducing valve, and weighing sensor, solenoid-operated proportional pressure reducing valve and solenoid directional control valve are connect with controller respectively.The present invention realizes load and counterweight dynamic equilibrium, is conducive to towed elevator, opens, brakes and operate steadily;It realizes that energy regenerating utilizes, is conducive to elevator economy, Effec-tive Function.

Description

The method and apparatus that a kind of tractive driving apparatus of load balance and energy regenerating utilize
Technical field
The invention belongs to towed elevator technical field, it is specifically related to a kind of tractive driving apparatus of load balance and energy returns Receive the method and apparatus utilized.
Background technology
Towed elevator traction machine both ends are separately connected car and counterweight, the frictional force generated by traction sheave and steel wire rope into Row transmission.The prior art is all made of fixed counterweight and is balanced with car, can balance the load of traction sheave both ends to a certain extent, and subtract Few excessive power drain.Towed elevator coefficient of balance is generally 0.4 ~ 0.5, and ideal operating mode is semi-load, and traction sheave both ends are negative at this time Approximately equal is carried, traction machine load is minimum.In actual use, the passenger load at car end is random, and towed elevator is past Toward being run under optimum condition.When such as car without passenger's empty down, counterweight overweights car, and traction load on host computers is maximum, Externally acting.And car without passenger's zero load uplink when, counterweight pull traction host, make motor as generator to power grid feedback Electricity, but at present for, grid requirements are not achieved in feed voltage and frequency, can only be disappeared to feedback current using high-power resistance Consumption, wastes the energy.
Industry forward position has following several technologies to attempt to solve traction equilibrium problem:Counterweight weight scene is adjustable, according to sedan-chair Compartment real-time load, Field adjustment counterweight weight are mainly used for the timeliness such as Cargo Lift occasion of less demanding;Fluid is adjustable, in electricity It respectively disposes a water tank in terraced computer room and counterweight frame, with flexible watertightness pipeline connection between two casees, while being equipped with electricity in water route Magnet valve and water pump automatically control flow to realize the energy saving dragging of elevator balanced state with traction system balanced signal;Additional drag Formula generates car running resistance using between car, counterweight and the wall for installing rubber, changes normal pressure size, to change The size of frictional force realizes both ends load balance;Additional torque formula, counterweight are made of static counterweight and dynamic counterweight two parts, Static counterweight is formed by counterweight holder and to pouring weight, and dynamic counterweight is made of weight generator and weight controller, static right Heavy amount is counterweight dead weight, it is equal to car dead weight, and the weight of dynamic counterweight is weight generator in weight controller Equivalent weight produced by control is lower, it is equal to the load weight in car.The above technology can effectively realize load balance, The starting and braking impact of elevator is reduced, but is required to increase additional energy input, energy regenerating utilization can not be carried out at the same time, together Sample has the defect of waste of energy.
There are following several technology trials to solve the problems, such as that energy regenerating utilizes:Braking resistor is set in incubator, hair The heat gone out is collected in incubator, and stirling generator is recycled to convert heat into electric energy recycling;Traction machine is in When generating operation mode, generated electric energy is recycled, accumulator is then delivered to by controller, when traction machine is in electronic operating mode, The electric energy exported by controller is adjusted and conveys, until the frequency converter of elevator;When traction machine is in generating operation mode, produced by recycling Electric energy, super capacitor is then delivered to by controller, when traction machine is in electronic operating mode, adjusts and conveys and pass through controller The electric energy of output, until the frequency converter of elevator, but super capacitor service life is shorter, and the voltage of feedback will pollute power grid.
Invention content
The present invention, which provides, a kind of can realize load balance and can be to tractive driving equipment that energy is recycled The method and apparatus that load balance and energy regenerating utilize.
The technical solution adopted by the present invention is:The device that a kind of tractive driving apparatus of load balance and energy regenerating utilize, Including two-way pump, solenoid directional control valve, accumulator, solenoid-operated proportional pressure reducing valve, overflow valve, check valve, controller and weighing sensor; The Single port of the two-way pump is connected to by first pipe with fuel tank, and the another port of two-way pump passes through second pipe and fuel tank Connection, second pipe are equipped with check valve, and check valve only allows liquid to flow to two-way pump from fuel tank;The fuel feed hole of solenoid directional control valve It is connected to second pipe, the first oil outlet of solenoid directional control valve is connected to by third pipeline with fuel tank, and third pipeline is equipped with single To valve, accumulator and overflow valve, check valve is between solenoid directional control valve and accumulator;The second of the solenoid directional control valve goes out Oilhole is connected to by the 4th pipeline with third pipeline, and the 4th pipeline is equipped with check valve, and accumulator and the 4th pipeline pass through the 5th Pipeline connects, and the 5th pipeline is equipped with solenoid-operated proportional pressure reducing valve, weighing sensor, solenoid-operated proportional pressure reducing valve and solenoid directional control valve point It is not connect with controller.
In the device that above-mentioned tractive driving apparatus of load balance and energy regenerating utilize, the third pipeline and second Pipeline is connected to, and connectivity part is between fuel tank and check valve.
In the device that above-mentioned tractive driving apparatus of load balance and energy regenerating utilize, the overflow valve position on third pipeline Between accumulator and fuel tank, the connectivity part of the 4th pipeline and third pipeline is between accumulator and overflow valve.
A kind of tractive driving equipment of the device utilized using above-mentioned tractive driving apparatus of load balance and energy regenerating is negative The method that load balance and energy regenerating utilize, includes the following steps:
1)Two-way pump is connect with traction machine;Bearing sensor is mounted on car;
2)When the less uplink of passenger in car or when the more downlink of passenger in car, controller receives weighing sensor Load signal and elevator run signal, after judgement to solenoid directional control valve export commutation signal, solenoid directional control valve obtain it is electric after, control pressure Power fluid flow direction makes it that can only be flowed to through third pipeline flow-direction accumulator by two-way pump end;Accumulator storage passes through throttling The pressure fluid of valve realizes the recycling of energy;
When the less downlink of passenger in car or when the more uplink of passenger in car, controller receives weighing sensor and carries Lotus signal and elevator run signal, to solenoid directional control valve, solenoid-operated proportional pressure reducing valve output control signal after judgement;Solenoid-operated proportional subtracts Pressure valve is controlled by the controller the pressure fluid of output pressure value proportional to load;Solenoid directional control valve is controlled by the controller, and makes pressure Force flow body flows to two-way pump by solenoid-operated proportional pressure reducing valve;Two-way pump is in motor operating conditions, with traction machine one by pressurized fluid driven With driving load, the opposite load for reducing traction machine realizes the recycling to recover energy and traction machine both ends load balance.
Compared with prior art, the present invention has following advantageous effects:
1) recycling of tractive driving energy may be implemented in the present invention, if being applied to tracking-driven elevator, can reduce it Energy consumption, is calculated with existing elevator ownership, and economic effect is apparent.
2) present invention can balance the load of traction machine both ends, under the premise of traction capacity is identical, improve the volume of elevator Determine loading capacity;Tractive driving cell capability is reduced to reduce production cost;Traction frictional force demand is reduced to mitigate car dead weight And counterweight mass;Car dead weight and counterweight inertia load are reduced, fair acceleration is improved and reduces intrinsic frequency, is conducive to elevator Stable operation.
Description of the drawings
The towed elevator load balance of Fig. 1 present invention and the structure chart of energy recycling device.
Installation knot when Fig. 2 is towed elevator load balance and the energy recycling device use of the present invention on elevator Composition.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, the device that tractive driving apparatus of load of the invention balance and energy regenerating utilize, including it is two-way Pump 1, solenoid directional control valve 5, accumulator 2, solenoid-operated proportional pressure reducing valve 4, overflow valve 6, controller 9 and weighing sensor 10;Described The Single port of two-way pump 1 is connected to by first pipe 81 with fuel tank 8, and another port is connected to by second pipe 82 with fuel tank 8, the Two pipelines 82 are equipped with check valve 7, and 7, check valve allows liquid to flow to two-way pump 1 from fuel tank 8.The fuel feed hole of solenoid directional control valve 5 It is connected to second pipe 82, the first oil outlet of solenoid directional control valve 5 is connected to by third pipeline 83 with second pipe 82, third pipe The junction of road 83 and second pipe 82 is between check valve 7 and fuel tank 8.Third pipeline 83 is equipped with check valve 71, accumulation of energy Device 2 and overflow valve 6, check valve 71 is between solenoid directional control valve 5 and accumulator 2.The second of the solenoid directional control valve 5 is fuel-displaced Hole is connected to by the 4th pipeline 84 with third pipeline 83, and the 4th pipeline 84 is located at overflow valve 6 and accumulation of energy with the place of company of third pipeline 83 Between device 2;4th pipeline is equipped with check valve 72.Accumulator 2 and the 4th pipeline 84 are connected by the 5th pipeline 85, junction position Between solenoid directional control valve 5 and check valve 72;5th pipeline 85 is equipped with solenoid-operated proportional pressure reducing valve 4.Weighing sensor 10, electromagnetism Proportional pressure-reducing valve 4 and solenoid directional control valve 5 are connect with controller 9 respectively.
The method that a kind of tractive driving apparatus of load balance and energy regenerating utilize, comprises the following processes:
1)Two-way pump 1 is connect with the traction sheave of traction machine 11, and makes two-way pump 1 and traction sheave coaxial;Load-bearing is passed Sensor 10 is mounted on car 13.
2)When the less uplink of passenger in car 13, the load of the load of counterweight 14 more than car 13;Or when in car 13 When the more downlink of passenger, the load of the load of counterweight 14 less than car 13.Traction sheave both ends load resultant force is consistent with traffic direction, Externally it can do work or recover energy.Specific implementation method is as follows:Two-way pump 1 and traction sheave are coaxial, and equidirectional rotation, by negative It carries resultant force driving and pumps out pressure fluid, while generating the resistance opposite with load resultant direction, the effect at balance traction sheave both ends Power.Controller 9 receives 10 load signal of weighing sensor and elevator run signal, exports and commutates to solenoid directional control valve 5 after judgement Signal is at left valve position.Solenoid directional control valve 5 it is electric after, control pressure fluid flow direction makes it can only be by two-way pump 1 Accumulator 2 is flowed to by third pipeline 83.The storage of accumulator 2 realizes the recycling of energy by the pressure fluid of throttle valve 3.
When the less downlink of passenger in car 13, the load of the load of counterweight 14 more than car 13;Or as passenger in car When more uplink, load F of the load of counterweight 14 less than car 13z< Fj.11 both ends of traction machine load resultant moment and traffic direction phase Instead, the external recycling that energy is provided or is recovered energy is needed.Specific implementation method is as follows:The energy of recycling is by accumulator 2 Interior pressure fluid provides, and solenoid-operated proportional pressure reducing valve 4 is flowed to by throttle valve 3.Controller 9 receives the load of weighing sensor 10 Signal and elevator run signal, to solenoid directional control valve 5, the output control signal of solenoid-operated proportional pressure reducing valve 4 after judgement.Solenoid-operated proportional subtracts Pressure valve 4 is exported the pressure fluid of pressure value proportional to load by the control of controller 9.Solenoid directional control valve 5 is by 9 control of controller In right valve position, pressure fluid is made to flow to two-way pump 1 by solenoid-operated proportional pressure reducing valve 4.Two-way pump 1 is in horse by pressurized fluid driven Up to operating mode, load is driven together with traction machine 11, the opposite load for reducing traction machine 11 is realized the recycling to recover energy and draged Draw 11 both ends load balance of machine.
When the energy of device recycling of the present invention is much larger than the energy recycled, in Fig. 1, fluid pressure in accumulator 2 Power reaches upper limit value, and extra fluid can be flowed back to fuel tank 8 with protection system by overflow valve 6 and ensure that tractive driving equipment is normal Operation.When the energy deficiency of apparatus of the present invention recycling, it is pressed into fluid system through atmospheric pressure in fuel tank 8, is pressed into through check valve 7 double To pump 1, ensure that the tractive driving apparatus of load of the present invention balances and energy regenerating utilizes device and tractive driving equipment are normal Operation.
Finally it should be noted that:Above example is merely to illustrate the present invention and is not intended to limit the present invention described technical side Case;Therefore, although this specification with reference to above-described embodiment to present invention has been detailed description, this field it is general It is logical it will be appreciated by the skilled person that still can modify to the present invention or equivalent replacement;And all do not depart from the essence of the present invention The technical solution and its improvement of god and range, should all cover in scope of the presently claimed invention.

Claims (1)

1. a kind of method that tractive driving apparatus of load balance and energy regenerating utilize, used tractive driving apparatus of load The device that balance and energy regenerating utilize, it is characterized in that:Including two-way pump, solenoid directional control valve, accumulator, solenoid-operated proportional decompression Valve, overflow valve, controller and weighing sensor;The Single port of the two-way pump is connected to by first pipe with fuel tank, two-way The another port of pump is connected to by second pipe with fuel tank, and second pipe is equipped with check valve, and check valve only allows liquid from oil Case flows to two-way pump;The fuel feed hole of solenoid directional control valve is connected to second pipe, and the first oil outlet of solenoid directional control valve passes through third Pipeline is connected to fuel tank, and third pipeline is equipped with check valve, accumulator and overflow valve, and check valve is located at solenoid directional control valve and storage Between energy device;Second oil outlet of the solenoid directional control valve is connected to by the 4th pipeline with third pipeline, is set on the 4th pipeline There are check valve, accumulator and the 4th pipeline to be connected by the 5th pipeline, the 5th pipeline is equipped with solenoid-operated proportional pressure reducing valve, weighs Sensor, solenoid-operated proportional pressure reducing valve and solenoid directional control valve are connect with controller respectively;
Include the following steps:
1)Two-way pump is connect with traction machine;Bearing sensor is mounted on car;
2)When the less uplink of passenger in car or when the more downlink of passenger in car, controller receives weighing sensor load Signal and elevator run signal, after judgement to solenoid directional control valve export commutation signal, solenoid directional control valve obtain it is electric after, control pressure stream Body flow direction makes it that can only be flowed to through third pipeline flow-direction accumulator by two-way pump end;Accumulator storage passes through throttle valve Pressure fluid realizes the recycling of energy;
When the less downlink of passenger in car or when the more uplink of passenger in car, controller receives weighing sensor load letter Number and elevator run signal, after judgement to solenoid directional control valve, solenoid-operated proportional pressure reducing valve output control signal;Solenoid-operated proportional pressure reducing valve The pressure fluid of the output that is controlled by the controller pressure value proportional to load;Solenoid directional control valve is controlled by the controller, and makes pressure current Body flows to two-way pump by solenoid-operated proportional pressure reducing valve;Two-way pump is in motor operating conditions, is driven together with traction machine by pressurized fluid driven Dynamic load, the opposite load for reducing traction machine, realizes the recycling to recover energy and traction machine both ends load balance.
CN201610686773.9A 2016-08-19 2016-08-19 The method and apparatus that a kind of tractive driving apparatus of load balance and energy regenerating utilize Active CN106144855B (en)

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Publication number Priority date Publication date Assignee Title
TWI628365B (en) * 2017-10-18 2018-07-01 國立虎尾科技大學 Closed hydraulic brake equipment
TWI628366B (en) * 2017-10-18 2018-07-01 國立虎尾科技大學 Brake method for closing hydraulic brake equipment
CN111173798A (en) * 2020-02-06 2020-05-19 杜杰 Hydraulic power system for variable counterweight and lifting system with hydraulic power system

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CN1439591A (en) * 2003-03-26 2003-09-03 浙江大学 Hydraulic lift energy-saving control system with hydraulic transformer
CN1987124A (en) * 2006-12-14 2007-06-27 浙江大学 Energy saving hydraulic lifting system of variable hydraulic counterweight
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CN105179343A (en) * 2015-10-27 2015-12-23 中国矿业大学 Multi-cylinder synchronous energy-saving efficient hydraulic lifting system and method
CN205973385U (en) * 2016-08-19 2017-02-22 湖南电气职业技术学院 Tow drive device load balancing and energy recovery and conversion's device

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Publication number Priority date Publication date Assignee Title
CN1112785A (en) * 1993-06-01 1995-11-29 科恩股份公司 Procedure for operating an elevator and elevator machinery
CN1439591A (en) * 2003-03-26 2003-09-03 浙江大学 Hydraulic lift energy-saving control system with hydraulic transformer
CN1987124A (en) * 2006-12-14 2007-06-27 浙江大学 Energy saving hydraulic lifting system of variable hydraulic counterweight
CN103241619A (en) * 2013-05-22 2013-08-14 太原理工大学 Energy saving elevator and operation control method thereof
CN105179343A (en) * 2015-10-27 2015-12-23 中国矿业大学 Multi-cylinder synchronous energy-saving efficient hydraulic lifting system and method
CN205973385U (en) * 2016-08-19 2017-02-22 湖南电气职业技术学院 Tow drive device load balancing and energy recovery and conversion's device

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Effective date of registration: 20230625

Address after: No. 8, Xincheng Community, Yutan Subdistrict, Ningxiang, Changsha City, Hunan Province 410699

Patentee after: Changsha Zhenzhi Elevator Co.,Ltd.

Address before: 411101 No. 2, Tanxia Road, Yuetang District, Xiangtan, Hunan Province

Patentee before: HUNAN ELECTRICAL College OF TECHNOLOGY