CN101570289A - Elevator capable of utilizing solar energy and recovered electrical energy - Google Patents
Elevator capable of utilizing solar energy and recovered electrical energy Download PDFInfo
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- CN101570289A CN101570289A CNA2009100853747A CN200910085374A CN101570289A CN 101570289 A CN101570289 A CN 101570289A CN A2009100853747 A CNA2009100853747 A CN A2009100853747A CN 200910085374 A CN200910085374 A CN 200910085374A CN 101570289 A CN101570289 A CN 101570289A
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Abstract
The invention discloses an elevator capable of utilizing solar energy and recovered electrical energy, comprising an elevator power supply source and an elevator electrical control system, wherein the elevator power supply source is equipped with a commercial power input terminal and a power source output terminal and is provided with a storage battery, a solar photovoltaic cell and an electrical energy recovery module, wherein the output terminal of the solar photovoltaic cell is connected with the charging terminal of the storage battery, the output terminal of the electrical energy recovery module is connected with the charging terminal of the storage battery; the output terminal of the storage battery is connected with an inverter and is further connected with the output terminal of the power source by the inverter, and the direct current output by the storage battery is changed into alternating current by the inversion of the inverter and then is output by the output terminal of the power source. The solar photovoltaic cell and the electrical energy recovery module are arranged in the elevator power supply source in the invention which can fully utilize solar energy and the electrical energy generated in generating operation of the elevator to provide electrical energy for elevator operation, thus improving energy saving and environment performance of the elevator.
Description
Technical field
The present invention relates to a kind of elevator, specifically, relate to a kind of solar power and elevator that reclaims electric energy of utilizing, belong 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 emergency source of electrical power in the prior art except that connecting utility grid, as storage battery etc.The general capacity of emergency source of electrical 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, also be unfavorable for the raising of the energy-saving and environmental protection performance of elevator.
Summary of the invention
The present invention is directed to above-mentioned defective and deficiency that elevator of the prior art exists, a kind of solar power and elevator that reclaims electric energy of utilizing is provided, by 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 the generation of solar power and 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 present invention is achieved by the following technical solutions:
A kind of energy-conserving elevator, it is characterized in that, it comprises elevator, in described elevator, be provided with the elevator electric control system, described elevator electric control system is connected with elevator master motor in the described elevator, on described elevator electric control system, be provided with power input terminal and power output terminal, described power input terminal is connected with output of power supply handover module, on described power supply handover module, be provided with two power input terminals, a power input terminal in described two power input terminals is connected with mains electricity input end, another power input terminal is connected with the lead-out terminal of elevator power supply source, the lead-out terminal of described elevator power supply source is connected with storage battery via inverter, and described civil power or elevator power supply source are used to described elevator master motor power supply; Power output terminal on the described elevator electric control system is connected with described storage battery by electric energy recycling module, voltage preferred module, on described voltage preferred module, also be connected with solar-energy photo-voltaic cell, described solar-energy photo-voltaic cell and described electric energy recycling module all are used to described battery charge, described power supply handover module, inverter, storage battery are connected with controller respectively, and described controller is used to control the conversion between elevator power supply source and the mains supply, the charge and discharge process of the described storage battery of control.
According to the present invention, in described elevator electric control system, be provided with the elevator variable frequency device, described elevator variable frequency device is used to regulate elevator master motor line frequency.
According to the present invention, an input terminal of described voltage preferred module connects the lead-out terminal of described solar-energy photo-voltaic cell, another 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.
According to the present invention, 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 described electric energy recycling module reads the recovery of the DC bus-bar voltage signal realization of described elevator variable frequency device to the electric energy of elevator generator operation generation.
According to the present invention, 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.
According to the present invention, between the lead-out terminal of described mains electricity input end and described power supply handover module, also be in series with normal open switch, described normal open switch described elevator power supply source just often disconnect and when described elevator power supply source breaks down the service switch of closure.
According to the present invention, 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 invention and good effect are: the described elevator of solar power and recovery electric energy that utilizes is by being provided with solar-energy photo-voltaic cell and electric energy recycling module, the electrical power storage that solar energy converting can be become afterwards for elevator operation power supply, can make full use of solar energy resources and come the instead of part utility grid energy in storage battery on the one hand; 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 elevator energy-saving, environmental-protecting performance.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 improves the service efficiency of elevator.
Description of drawings
Fig. 1 is the structural representation that the present invention can utilize an embodiment of elevator of solar power and recovery electric energy;
Fig. 2 is the functional block diagram of the described embodiment of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
See also the structural representation that the present invention shown in Figure 1 can utilize solar power and reclaim an embodiment of elevator of electric energy.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 mouth 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 solar energy resources and elevator generator operation produce, and is provided with the storage battery of storage and output DC respectively in described elevator power supply source, 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.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, when elevator is in generating state, reclaim the electric energy that the elevator generator operation produces.
The lead-out terminal of described solar-energy photo-voltaic cell is connected with the input terminal of a voltage preferred module respectively with 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 storage battery.Described voltage preferred module is selected voltage the higher person from described 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 is under the control of controller, can be implemented in the mutual switching between described mains-supplied path and the described storage battery power supply path automatically, that is: when the needs mains-supplied, the described mains-supplied path of conducting, turn-off described storage battery power supply path; And when the needs 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 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 the voltage under its quiescence, show that elevator is in generating state, described electric energy recycling module reclaims the electric energy of elevator generator operation, and be described battery charge by described voltage preferred module, 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 direct current (DC).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.
Solar power and the elevator that reclaims electric energy of utilizing of the present invention adopts solar-energy photo-voltaic cell that solar energy converting is reclaimed the electric energy that the elevator generator operation produces for electric energy, employing electric energy recycling module, then with described electrical power storage to storage battery, form the power autonomous of elevator, but the instead of part civil power comes to be the power supply of this running body of elevator, saved the comparatively poor utility grid energy, thereby 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 invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1, a kind of energy-conserving elevator, it is characterized in that, it comprises elevator, in described elevator, be provided with the elevator electric control system, described elevator electric control system is connected with elevator master motor in the described elevator, on described elevator electric control system, be provided with power input terminal and power output terminal, described power input terminal is connected with output of power supply handover module, on described power supply handover module, be provided with two power input terminals, a power input terminal in described two power input terminals is connected with mains electricity input end, another power input terminal is connected with the lead-out terminal of elevator power supply source, the lead-out terminal of described elevator power supply source is connected with storage battery via inverter, and described civil power or elevator power supply source are used to described elevator master motor power supply; Power output terminal on the described elevator electric control system is connected with described storage battery by electric energy recycling module, voltage preferred module, on described voltage preferred module, also be connected with solar-energy photo-voltaic cell, described solar-energy photo-voltaic cell and described electric energy recycling module all are used to described battery charge, described power supply handover module, inverter, storage battery are connected with controller respectively, and described controller is used to control the conversion between elevator power supply source and the mains supply, the charge and discharge process of the described storage battery of control.
2, elevator according to claim 1 is characterized in that, is provided with the elevator variable frequency device in described elevator electric control system, and described elevator variable frequency device is used to regulate elevator master motor line frequency.
3, elevator according to claim 2, it is characterized in that, an input terminal of described voltage preferred module connects the lead-out terminal of described solar-energy photo-voltaic cell, another 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, elevator according to claim 3, it is characterized in that, 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 described electric energy recycling module reads the recovery of the DC bus-bar voltage signal realization of described elevator variable frequency device 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, elevator according to claim 1, it is characterized in that, between the lead-out terminal of described mains electricity input end and described power supply handover module, also be in series with normal open switch, described normal open switch described elevator power supply source just often disconnect and when described elevator power supply source breaks down the service switch of closure.
7, elevator according to claim 1 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100853747A CN101570289A (en) | 2009-05-22 | 2009-05-22 | Elevator capable of utilizing solar energy and recovered electrical energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100853747A CN101570289A (en) | 2009-05-22 | 2009-05-22 | Elevator capable of utilizing solar energy and recovered electrical energy |
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| CN101570289A true CN101570289A (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2009100853747A Pending CN101570289A (en) | 2009-05-22 | 2009-05-22 | Elevator capable of utilizing solar energy and recovered electrical energy |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367143A (en) * | 2011-10-19 | 2012-03-07 | 沈阳博林特电梯股份有限公司 | Energy saving type elevator driving and energy conversion device |
| CN103130080A (en) * | 2011-11-22 | 2013-06-05 | 浙江梅轮电扶梯成套有限公司 | Solar energy powered lift |
| CN103601044A (en) * | 2013-09-22 | 2014-02-26 | 贵州天义电梯成套设备有限公司 | Solar energy saving elevator device |
| CN103928980A (en) * | 2014-04-24 | 2014-07-16 | 恒达富士电梯有限公司 | Method and system for driving lift through solar energy |
| CN104838555A (en) * | 2012-12-04 | 2015-08-12 | 皇家飞利浦有限公司 | Power quality issue mitigation through hybrid grid |
| CN105060050A (en) * | 2015-07-23 | 2015-11-18 | 孟凯涛 | Elevator running door opening dangerous case detection system |
| CN105110115A (en) * | 2015-07-23 | 2015-12-02 | 孟凯涛 | Method for detecting door opening dangerous cases in operation of elevator |
| CN106006308A (en) * | 2016-07-10 | 2016-10-12 | 山东富士制御电梯有限公司 | Elevator device special for old building reconstruction |
| CN110182668A (en) * | 2019-06-10 | 2019-08-30 | 攀枝花攀钢集团设计研究院有限公司 | Outdoor Solar-energy elevator |
| CN114873415A (en) * | 2022-06-07 | 2022-08-09 | 日立楼宇技术（广州）有限公司 | Electrical multi-drive system of new energy elevator and new energy elevator |
-
2009
- 2009-05-22 CN CNA2009100853747A patent/CN101570289A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367143A (en) * | 2011-10-19 | 2012-03-07 | 沈阳博林特电梯股份有限公司 | Energy saving type elevator driving and energy conversion device |
| CN103130080A (en) * | 2011-11-22 | 2013-06-05 | 浙江梅轮电扶梯成套有限公司 | Solar energy powered lift |
| CN104838555A (en) * | 2012-12-04 | 2015-08-12 | 皇家飞利浦有限公司 | Power quality issue mitigation through hybrid grid |
| CN104838555B (en) * | 2012-12-04 | 2018-05-15 | 飞利浦灯具控股公司 | Alleviated by the power quality problem for mixing power grid |
| CN103601044A (en) * | 2013-09-22 | 2014-02-26 | 贵州天义电梯成套设备有限公司 | Solar energy saving elevator device |
| CN103601044B (en) * | 2013-09-22 | 2016-06-29 | 贵州天义电梯成套设备有限公司 | A kind of energy-saving solar lift appliance |
| CN103928980A (en) * | 2014-04-24 | 2014-07-16 | 恒达富士电梯有限公司 | Method and system for driving lift through solar energy |
| CN105060050A (en) * | 2015-07-23 | 2015-11-18 | 孟凯涛 | Elevator running door opening dangerous case detection system |
| CN105110115A (en) * | 2015-07-23 | 2015-12-02 | 孟凯涛 | Method for detecting door opening dangerous cases in operation of elevator |
| CN106006308A (en) * | 2016-07-10 | 2016-10-12 | 山东富士制御电梯有限公司 | Elevator device special for old building reconstruction |
| CN110182668A (en) * | 2019-06-10 | 2019-08-30 | 攀枝花攀钢集团设计研究院有限公司 | Outdoor Solar-energy elevator |
| CN114873415A (en) * | 2022-06-07 | 2022-08-09 | 日立楼宇技术（广州）有限公司 | Electrical multi-drive system of new energy elevator and new energy elevator |
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Application publication date: 20091104 |