CN201458456U - Elevator by utilizing wind energy, solar energy and electric energy for recovery - Google Patents

Elevator by utilizing wind energy, solar energy and electric energy for recovery Download PDF

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Publication number
CN201458456U
CN201458456U CN200920029087XU CN200920029087U CN201458456U CN 201458456 U CN201458456 U CN 201458456U CN 200920029087X U CN200920029087X U CN 200920029087XU CN 200920029087 U CN200920029087 U CN 200920029087U CN 201458456 U CN201458456 U CN 201458456U
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CN
China
Prior art keywords
described
elevator
power supply
electric energy
energy
Prior art date
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CN200920029087XU
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Chinese (zh)
Inventor
张金伟
于涛
王泽和
杨凤桂
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富士工业(青岛)电梯制造有限公司
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Priority to CN200920029087XU priority Critical patent/CN201458456U/en
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    • 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
    • Y02B50/10Energy efficient technologies in elevators, escalators and moving walkways in elevators
    • Y02B50/14Energy recuperation technologies
    • Y02B50/142Energy recuperation technologies with electrical storage
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The utility model discloses an elevator by utilizing wind energy, solar energy and electric energy for recovery, comprising an elevator power supply, wherein the elevator power supply is provided with a mains input terminal and a power supply output terminal, and also is provided with a storage cell, a wind-driven generator for charging the storage cell, a solar photovoltaic cell and an electric energy recovery module; and the output terminal of the storage cell is connected with an inverter and is further connected with the power supply output terminal by the inverter, and the direct current output by the storage cell is inverted into alternating current by the inverter and then is output by the power supply output terminal. The elevator utilizes the electric energy converted from the wind energy and the solar energy and the electric energy generated by the power generation operation of the elevator as the power supply of the elevator, can replace part of mains energy, and improve the energy-saving and environment-friendly performances of the elevator.

Description

A kind of elevator that utilizes wind energy, solar power and electric energy to reclaim

Technical field

The utility model relates to a kind of elevator, specifically, relates to a kind of elevator that utilizes wind energy, solar power and electric energy to reclaim, and belongs to the elevator technology field.

Background technology

Manned or cargo-carrying elevator comprises elevator power supply source, elevator electric control system and elevator body, and elevator power supply source is introduced into civil power in the elevator electric control system, for this running body of elevator provides power supply.Existing elevator power supply source major part only connects utility grid, and when civil power had a power failure suddenly or cuts off the power supply, elevator was out of service, and the people who is confined in the elevator utilizes the warning device in the lift car to cry for help to the outside.Some elevator power supply source also includes backup power in the prior art except that connecting utility grid, as storage battery etc.The general capacity of backup power is less, its objective is when civil power has a power failure suddenly or cuts off the power supply, and for elevator provides power supply, driving lift car flat bed is stopped power supply after also opening elevator cab door.

In addition because elevator load is unbalance load, when elevator when the underloading direction is moved, elevator is in generating state.For example, during the elevator no-load run, rise to generating state; During elevator full-load run, drop to generating state.When being in generating state, elevator divides the electric energy that generates electricity with generating unit, elevator of the prior art is for consuming this part generating electric energy, common way is to be provided with braking resistor in the elevator electric control system, the electric energy that will generate electricity inputs in the braking resistor, utilizes the braking resistor heating that power consumption is fallen.

There is following defective in elevator of the prior art: 1, owing to rely on mains-supplied, it is bigger to consume the civil power electric energy, and energy-saving effect is poor, and environmental-protecting performance is poor; 2, owing to rely on the mains-supplied operation, when civil power sudden power or power failure, elevator can not normally move work, thereby cause great inconvenience to people's life; 3, because elevator often is in generating state operation, and the generating electric energy of generation is considerable, and this part electrical usage resistance is consumed in vain, serious waste power resource; 4, simultaneously, the braking resistor heating causes the elevator control cabinet ambient temperature to raise, and influences the reliability service of apparatus for controlling elevator, shortens the service life of elevator; And in order to reduce the influence of high temperature, often need install ventilate or refrigerating apparatus, wait as air-conditioning, fan and lower the temperature at elevator(lift) machine room to apparatus for controlling elevator, from and increased the consumption of current of cooling system.

Summary of the invention

The utility model is at elevator above shortcomings of the prior art, a kind of elevator that utilizes wind energy, solar power and electric energy to reclaim is provided, by aerogenerator, solar-energy photo-voltaic cell and electric energy recycling module are set in elevator power supply source, the electric energy that can make full use of wind energy resources, solar energy resources and the generation of elevator generator operation is elevator operation power supply, improves the energy-saving and environmental protection performance of elevator.

For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:

A kind of elevator that utilizes wind energy, solar power and electric energy to reclaim comprises elevator power supply source, and described elevator power supply source has mains electricity input end and power output terminal, it is characterized in that, described elevator power supply source also is provided with:

Storage battery is used for storage and output DC;

Aerogenerator is used for wind energy is converted to electric energy;

Solar-energy photo-voltaic cell, being used for solar energy converting is electric energy;

The electric energy recycling module is used to reclaim the electric energy that the elevator generator operation produces;

The mouth of described aerogenerator is connected with rectifier, and rectification output end of described rectifier connects the charging terminal of described storage battery;

The lead-out terminal of described solar-energy photo-voltaic cell connects the charging terminal of described storage battery; The lead-out terminal of described electric energy recycling module connects the charging terminal of described storage battery;

The lead-out terminal of described storage battery is connected with inverter, and then connects described power output terminal by described inverter, and the direct current (DC) of described storage battery output is exported by described power output terminal after described inverter inversion is alternating current.

According to the utility model, described elevator power supply source also is provided with the power supply handover module, described mains electricity input end connects an input terminal of described power supply handover module, the lead-out terminal of described inverter connects another input terminal of described power supply handover module, and the lead-out terminal of described power supply handover module is connected with described power output terminal.Described power supply handover module under the control of controller, optionally conducting/shutoff mains-supplied path or storage battery power supply path.

According to the utility model, described elevator power supply source also is provided with the voltage preferred module that charging valtage is selected, first input terminal of described voltage preferred module connects the lead-out terminal of described solar-energy photo-voltaic cell, second input terminal of described voltage preferred module connects rectification output end of described rectifier, the 3rd input terminal of described voltage preferred module connects the lead-out terminal of described electric energy recycling module, and the lead-out terminal of described voltage preferred module connects the charging terminal of described storage battery.By described voltage preferred module, when the output of a plurality of electric energy was arranged in aerogenerator, solar-energy photo-voltaic cell and electric energy recycling module, elevator device can select automatically wherein that charging valtage the higher person is described battery charge.

According to the utility model, between described mains electricity input end and described power output terminal, also be in series with described elevator power supply source just often disconnect and when described elevator power supply source breaks down the service switch of closure, when keeping in repair the elevator power supply source internal module, do not influence the supply regular power of civil power with convenient to elevator.

According to the utility model, described elevator power supply source also is provided with the display module that the elevator power supply source parameter is shown, described display module is preferably the LCD LCDs.

Compared with prior art, advantage of the present utility model and good effect are: the described elevator of wind energy, solar power and electric energy recovery that utilizes is by being provided with aerogenerator, solar-energy photo-voltaic cell and electric energy recycling module, the electrical power storage of wind energy and solar energy converting one-tenth can be powered for the elevator operation in storage battery on the one hand, can make full use of wind energy resources and solar energy resources and come the instead of part utility grid energy; Can reclaim the electric energy that the elevator generator operation produces on the other hand, and described electrical power storage is powered for the elevator operation in storage battery, come the instead of part utility grid energy, thereby significantly improved the energy-saving and environmental protection performance of elevator.And when civil power outage or power failure, the electric energy that can utilize battery stores is the power supply of this running body of elevator, guarantees that elevator normally moves, and has improved the service efficiency of elevator.

Description of drawings

Fig. 1 is the structural representation that the utility model utilizes an embodiment of elevator of wind energy, solar power and electric energy recovery;

Fig. 2 is a functional block diagram embodiment illustrated in fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail.

Seeing also the structural representation that the utility model shown in Figure 1 utilizes an embodiment of elevator of wind energy, solar power and electric energy recovery. described elevator comprises elevator power supply source, elevator electric control system and elevator body. on the one hand, described elevator power supply source is introduced civil power to described elevator electric control system, for described this running body of elevator provides power supply voltage; On the other hand, the generating electric energy that produces at the generator operation state of described elevator feeds back to the described elevator power supply source from described elevator electric control system and stores.

Fig. 2 shows the functional block diagram of the foregoing description elevator.Among the figure, described elevator power supply source has sub-a in mains electricity input end and power output terminal b, and the sub-a in described mains electricity input end is used for connecting utility grid, and civil power is introduced in the described elevator power supply source.Be provided with the elevator variable frequency device in the described elevator electric control system, described power output terminal b connects the input terminal of described elevator variable frequency device, the lead-out terminal of described elevator variable frequency device connects elevator master motor, thereby form the mains-supplied path of this running body of elevator power supply, civil power finally provides power supply voltage by described elevator electric control system for described this running body of elevator.

Described embodiment makes full use of the electric energy that abundant wind energy resources, solar energy resources and elevator generator operation produce, in described elevator power supply source, be provided with respectively storage and output DC storage battery, wind energy is converted to the aerogenerator of electric energy, is the solar-energy photo-voltaic cell of electric energy and the electric energy recycling module that reclaims the electric energy that the elevator generator operation produces with solar energy converting.Described aerogenerator and described solar-energy photo-voltaic cell generally are installed on the roof of the balcony of using elevator.

The mouth of described aerogenerator is connected with rectifier, and described rectifier is a direct current (DC) with the AC rectification of described aerogenerator output; The rectification output end of described rectifier connects first input terminal of a voltage preferred module.The lead-out terminal of described solar-energy photo-voltaic cell connects second input terminal of described voltage preferred module.

The input terminal of described electric energy recycling module connects the DC bus-bar voltage signal output terminal of described elevator variable frequency device, and the lead-out terminal of described electric energy recycling module connects the 3rd input terminal of described voltage preferred module.Described electric energy recycling module reads the DC bus-bar voltage signal of described elevator variable frequency device, when elevator is in generating state, reclaims the electric energy that the elevator generator operation produces.

The lead-out terminal of described voltage preferred module connects the charging terminal of storage battery.Described voltage preferred module is selected voltage the higher person from described rectifier output, solar-energy photo-voltaic cell and described electric energy recycling module be battery charge as the charge power supply of storage battery, with power storage in described storage battery.

The lead-out terminal of described storage battery is connected with inverter, described inverter is under the control of controller, with the dc inverter of described storage battery output is alternating current, for this running body of elevator provides power supply voltage, thereby forms the storage battery power supply path that this running body of elevator is powered.

In the elevator of described embodiment, described elevator power supply source also is provided with the power supply handover module, the sub-a in described mains electricity input end connects an input terminal of described power supply handover module by input switch K1, the lead-out terminal of described inverter connects another input terminal of described power supply handover module, and the lead-out terminal of described power supply handover module is connected with described power output terminal b by described output K switch 2.Described power supply handover module can be implemented in the mutual switching between described mains-supplied path and the described storage battery power supply path automatically under the control of controller, when mains-supplied, the described mains-supplied path of conducting, turn-off described storage battery power supply path that is:; And when storage battery power supply, the described storage battery power supply path of conducting, the described mains-supplied path of shutoff.

Break down when needing repairing in any part of described elevator power supply source, for not influencing the civil power supply regular power, the electric energy of described embodiment reclaims elevator and also be in series with service switch k3 between described input switch k1 and described output switch k2, and described service switch K3 branch road and described power supply handover module branch road are in parallel.Described service switch k3 described elevator power supply source each several part all just often disconnect and when the arbitrary part of described elevator power supply source breaks down closure, civil power provides power supply voltage by the branch road at described service switch k3 place for the elevator body.

In addition, the elevator power supply source of described embodiment also includes LCD LCDs (not shown), is used for showing parameters such as input voltage, output voltage, is convenient to understand in real time, easily the running state of elevator power supply source.

Because described electric energy recycling module processing speed is limit, can not in time reclaim the electric energy of elevator generating sometimes.For in time handling the not recoverable part elevator generating of described electric energy recycling module electric energy, in described elevator electric control system, also be provided with the elevator brake unit that is connected with the DC bus-bar voltage signal output terminal of described elevator variable frequency device, the lead-out terminal of described elevator brake unit is connected with braking resistor, and the elevator generating electric energy that described electric energy recycling module can not in time reclaim consumes by described braking resistor heating.

The principle of work of the elevator of the foregoing description is as follows:

When civil power has electricity, described batteries to store energy deficiency, described controller is controlled the described mains-supplied path of described power supply handover module conducting, is turn-offed described storage battery power supply path, civil power is by described input switch K1, power supply handover module and output K switch 2, from described power output terminal b output, for this running body of elevator provides power supply voltage.

When wind energy was arranged, the alternating current of described aerogenerator output was a direct current (DC) through described rectifier rectification, is described battery charge by described voltage preferred module then, and the power storage that wind energy converts to is standby in storage battery.

When solar power was arranged, described solar-energy photo-voltaic cell was described battery charge by described voltage preferred module, and the power storage that solar energy converting becomes is standby in storage battery.

In the DC bus-bar voltage of elevator variable frequency device during greater than its static pressure, show that elevator is in generating state, described electric energy recycling module reclaims the electric energy of elevator generator operation, and is described battery charge by described voltage preferred module, and the elevator power storage of generating electricity is standby in storage battery.

When described storage battery electric energy storage was full, described controller was controlled described inverter and is opened, and controls the described storage battery power supply path of described power transfer device conducting.Direct current (DC) in the described storage battery is exported from described power output terminal b by described power supply handover module and output K switch 2, for this running body of elevator provides power supply voltage after described inverter inversion is alternating current.When the electric energy of described storage battery discharged 60% left and right sides, described controller controlled described power supply handover module and cuts out described storage battery power supply path, the described mains-supplied path of conducting, provides power supply voltage by civil power to the elevator body; And retain about 40% electric energy in the storage battery, use when having a power failure suddenly or cutting off the power supply in order to civil power.

The mode that the elevator that utilizes wind energy, solar power and electric energy to reclaim described in the utility model adopts aerogenerator, solar-energy photo-voltaic cell and electric energy recycling module three to combine is battery charge, when solar power is sufficient, the power storage of solar energy converting can be formed the power autonomous of elevator in storage battery; And in bad weather, solar power reduces in the time of maybe can not powering, and the electrical power storage that the electric energy and the electric energy recycling module of wind energy conversion can be reclaimed forms the power autonomous of elevator to storage battery.Elevator described in the utility model can make full use of the Nature abundant, green wind energy resources and solar energy resources, and elevator when operation the electric energy that produces, thereby saved the comparatively poor utility grid energy, improved the energy-saving and environmental protection performance of elevator, reduced the elevator operating cost.Described elevator is reliable, installation is simple, easy to use, the life-span is longer, can be widely used in the place that residential building, hotel, office building etc. use elevator.

Certainly; the above only is a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (8)

1. an elevator that utilizes wind energy, solar power and electric energy to reclaim comprises elevator power supply source, and described elevator power supply source has mains electricity input end and power output terminal, it is characterized in that, described elevator power supply source is provided with:
Storage battery is used for storage and output DC;
Aerogenerator is used for wind energy is converted to electric energy;
Solar-energy photo-voltaic cell, being used for solar energy converting is electric energy;
The electric energy recycling module is used to reclaim the electric energy that the elevator generator operation produces;
The mouth of described aerogenerator is connected with rectifier, and rectification output end of described rectifier connects the charging terminal of described storage battery;
The lead-out terminal of described solar-energy photo-voltaic cell connects the charging terminal of described storage battery;
The lead-out terminal of described electric energy recycling module connects the charging terminal of described storage battery;
The lead-out terminal of described storage battery is connected with inverter, and then connects described power output terminal by described inverter, and the direct current (DC) of described storage battery output is exported by described power output terminal after described inverter inversion is alternating current.
2. elevator according to claim 1, it is characterized in that, described elevator power supply source also is provided with the power supply handover module, described mains electricity input end connects an input terminal of described power supply handover module, the lead-out terminal of described inverter connects another input terminal of described power supply handover module, and the lead-out terminal of described power supply handover module is connected with described power output terminal.
3. elevator according to claim 2, it is characterized in that, described elevator power supply source also is provided with the voltage preferred module that charging valtage is selected, first input terminal of described voltage preferred module connects the lead-out terminal of described solar-energy photo-voltaic cell, second input terminal of described voltage preferred module connects rectification output end of described rectifier, the 3rd input terminal of described voltage preferred module connects the lead-out terminal of described electric energy recycling module, and the lead-out terminal of described voltage preferred module connects the charging terminal of described storage battery.
4. according to each described elevator in the claim 1 to 3, it is characterized in that, be provided with the elevator variable frequency device in the described elevator electric control system, the input terminal of described electric energy recycling module connects the DC bus-bar voltage signal output terminal of described elevator variable frequency device, described electric energy recycling module reads the DC bus-bar voltage signal of described elevator variable frequency device, realizes the recovery to the electric energy of elevator generator operation generation.
5. elevator according to claim 4, it is characterized in that, also be provided with the elevator brake unit that is connected with the DC bus-bar voltage signal output terminal of described elevator variable frequency device in described elevator electric control system, the lead-out terminal of described elevator brake unit is connected with braking resistor.
6. according to each described elevator in the claim 1 to 3, it is characterized in that, between described mains electricity input end and described power output terminal, also be in series with described elevator power supply source just often disconnect and when described elevator power supply source breaks down the service switch of closure.
7. according to each described elevator in the claim 1 to 3, it is characterized in that described elevator power supply source also is provided with display module.
8. elevator according to claim 7 is characterized in that, described display module is the LCD LCDs.
CN200920029087XU 2009-07-08 2009-07-08 Elevator by utilizing wind energy, solar energy and electric energy for recovery CN201458456U (en)

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CN200920029087XU CN201458456U (en) 2009-07-08 2009-07-08 Elevator by utilizing wind energy, solar energy and electric energy for recovery

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102464250A (en) * 2010-11-05 2012-05-23 白孝林 New-energy elevator
CN102464235A (en) * 2010-11-05 2012-05-23 白孝林 Improved new-energy elevator
CN103030054A (en) * 2012-12-25 2013-04-10 上海爱登堡电梯股份有限公司 Outdoor escalator using power generated by solar energy
CN106652181A (en) * 2016-10-13 2017-05-10 上海电机学院 Wind-light complementary waste battery paid recycling bin
CN107707158A (en) * 2017-10-30 2018-02-16 上海能传软件有限公司 A kind of frequency converter synthetical restraint system and its method of work
CN109412388A (en) * 2018-11-26 2019-03-01 辽宁工程技术大学 A kind of magnetic ring induction type elevator supply system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102464250A (en) * 2010-11-05 2012-05-23 白孝林 New-energy elevator
CN102464235A (en) * 2010-11-05 2012-05-23 白孝林 Improved new-energy elevator
CN102464235B (en) * 2010-11-05 2016-10-05 白孝林 The New-energy elevator improved
CN103030054A (en) * 2012-12-25 2013-04-10 上海爱登堡电梯股份有限公司 Outdoor escalator using power generated by solar energy
CN106652181A (en) * 2016-10-13 2017-05-10 上海电机学院 Wind-light complementary waste battery paid recycling bin
CN106652181B (en) * 2016-10-13 2019-02-19 上海电机学院 A kind of wind light mutual complementing paid recycling box of waste battery
CN107707158A (en) * 2017-10-30 2018-02-16 上海能传软件有限公司 A kind of frequency converter synthetical restraint system and its method of work
CN109412388A (en) * 2018-11-26 2019-03-01 辽宁工程技术大学 A kind of magnetic ring induction type elevator supply system
WO2020108235A1 (en) * 2018-11-26 2020-06-04 山东科技大学 Magnetic ring induction-type elevator power supply system

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Granted publication date: 20100512

Termination date: 20170708