CN101618812B - Control device of elevator - Google Patents
Control device of elevator Download PDFInfo
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- CN101618812B CN101618812B CN 200910142506 CN200910142506A CN101618812B CN 101618812 B CN101618812 B CN 101618812B CN 200910142506 CN200910142506 CN 200910142506 CN 200910142506 A CN200910142506 A CN 200910142506A CN 101618812 B CN101618812 B CN 101618812B
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- elevator
- fuel cell
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Abstract
The present invention provides a control device of an elevator. when the electric force is supplied by a fuel battery (24), a main control device (27) controls the charge and discharge of an accumulator (26) corresponding with an operating state of the elevator, when operating for regeneration, the main control device (27) together with the regeneration electric force store the electric force of the fuel battery (24) to the accumulator (26), when operating dynamically, the electric force stored in the accumulator is discharged, and the electric force of the fuel battery as well as the discharged electric force are supplied to a drive system. Thereby, it is capable responding the load variation of the elevator and effectively providing stable electric force always.
Description
Technical field
The present invention relates to possess the elevator control device that fuel cell is arranged.
Background technology
Usually, if because earthquake etc. has a power failure, arrive at the floor function when then the power failure in the elevator control device is organized in utilization automatically and switch to battery traction, make after car moves to nearest floor, making turns round rests., if restart electric power supply with, then after confirming safety, restart running thereafter.
, if large-scale earthquake for example takes place, then because power recovery will spend for a long time, so even therebetween, building, elevator etc. are also no abnormal, can't utilize the situation of elevator also will continue.Under this situation, consider that also defence has a power failure and the capacity of increase storage battery for a long time.But, only be difficult to the long-time elevator that continues to drive with the electric power of storage battery, and, there are system's problems such as maximization that become.
So, in recent years,, considered the utilization of fuel cell as new electric power supply source.For example the spy in Japan opens in the 2002-326771 communique, discloses the content that in supplying with for the electric power of the gig of elevator, illumination equipment, door drive, operation board, read out instrument, interior environment system, adopts fuel cell.
But above-mentioned fuel cell is because utilize the chemical reaction of hydrogen and air (oxygen) to come supply capability, so there is problems such as till can supplying with stable electric power, needing spended time.Therefore, might can't cater to the load variations of elevator, thus can not safe handling.
Summary of the invention
The present invention makes in view of the above problems, and its purpose is to provide a kind of can cater to the load variations of elevator through utilizing fuel cell, and the elevator control device of the electric power of all-the-time stable can be provided effectively.
Elevator control device of the present invention is the elevator control device that possesses fuel cell, possesses: the Reserve Power Division of predetermined volumes; The operative condition test section, it detects the operative condition of elevator; And discharge and recharge control part, it is according to the operative condition of the elevator that is detected by this operative condition test section, when regeneration operating, with result from the drive system regenerated electric power together, will store the above-mentioned Reserve Power Division from the electric power of above-mentioned fuel cell output; When power running, the electric power that stores in above-mentioned Reserve Power Division is discharged, and add that the electric power of exporting from above-mentioned fuel cell together offers drive system.
Description of drawings
Fig. 1 is the integrally-built figure that possesses the elevator that fuel cell is arranged of expression the 1st embodiment of the present invention;
Fig. 2 is the block diagram that is illustrated in the functional structure of the main control unit that is provided with in the elevator of this embodiment;
Fig. 3 is the diagram of circuit that the electric power in this embodiment of expression is supplied with the work of handling;
Fig. 4 is the figure of the relation of discharge energy and the electric power storage energy of expression in this embodiment;
Fig. 5 is the block diagram that is illustrated in the functional structure of the main control unit that is provided with in the elevator of the 2nd embodiment of the present invention; And
Fig. 6 is the diagram of circuit that the electric power in this embodiment of expression is supplied with the work of handling.
The specific embodiment
Below, with reference to accompanying drawing embodiment of the present invention is described.
(the 1st embodiment)
Fig. 1 is the integrally-built figure that possesses the elevator that fuel cell is arranged of expression the 1st embodiment of the present invention.
This elevator, the pulley 12, the volume that possess electrical motor 11, are installed on the S. A. of this electrical motor 11 are hung on the rope 13 on this pulley 12, the car 14 that hangs the two ends that fall in this rope 13 and counterweight (counterweight block) 15 etc.
And; As drive system, possess industrial power supply 21, will this industrial power supply 21 alternating current be transformed into galvanic changer 102, the direct current (DC) of this changer 22 be transformed into the required alternating current of elevator drive and supply with inverter 23 of electrical motor 11 etc.
As above-mentioned industrial power supply 21, adopt three-phase alternating-current supply.Alternating current from this three-phase alternating-current supply provides is transformed into direct current (DC) and is supplied with inverter 23 by changer 22.By this inverter 23, be transformed into the alternating current of preset frequency, offer electrical motor 11 as driving electric.
Supply with through such electric power, electrical motor 11 is driven in rotation, and pulley 12 is rotated thereupon, carries out up-down work thereby via volume extension rope 13 on it car 14 and counterweight 15 are hung in lift path with drawing formula.
And, except said structure, also possess fuel cell 24, charge-discharge controller 25, storage battery 26, the electric power supply system during as power failure.
And main control unit 27 comprises the elevator single-piece control of the drive controlling of inverter 23.This main control unit 27 is made up of the computing machine that is equipped with CPU, ROM, RAM etc.
Fig. 2 is the block diagram of the functional structure of expression main control unit 27.In main control unit 27,, possess power failure test section 27a, battery-operated control part 27b, operative condition test section 27c, discharge and recharge instruction department 27d as supplying with function associated with electric power.
Power failure test section 27a, the state-detection that will not be provided for the drive system of elevator from the electric power in commercial power source 21 is a power down mode.Battery-operated control part 27b controls the driving of fuel cell 24.Operative condition test section 27c, the operative condition that detects elevator is regeneration operating or power running.Discharge and recharge instruction department 27d, output is used for instruction that the work of discharging and recharging of storage battery 26 is controlled for charge-discharge controller 25.
Next, the work to the 1st embodiment describes.
Fig. 3 is the diagram of circuit that the electric power in expression the 1st embodiment is supplied with the work of handling.In addition, in the processing shown in this diagram of circuit, read in preset program through this main control unit 27 and carry out as computing machine.
Now, power failure has taken place because of some reasons such as earthquakes in setting.Main control unit 27, if detect power down mode (steps A 11) through the not shown detector on the electric power supply lines that for example is arranged on industrial power supply 21, starting fluid battery 24 (steps A 12) immediately then.Thus, the electric power that generates from fuel cell 24 is provided for inverter 23, and the running of elevator is continued.
At this, during utilizing that fuel cell 24 makes that elevator turns round, main control unit 27 detects the operative condition (steps A 13) of the elevator (car 14) of this moment.In this what is called " operative condition ", be " regeneration operating " and " power running ".
That is, for example at car 14 under the situation of the lower direction of lift path motion, if California bearing ratio counterweight 15 weights of the car 14 of this moment, then for to the motion of balance direction, electrical motor 11 works as electrical generator, produces electric power.Likewise, under car 14 situation that upwards direction is moved, if the California bearing ratio counterweight 15 of the car 14 of this moment is light, then in order to move to the balance direction, electrical motor 11 works as electrical generator, thereby produces electric power.
So, will be owing to not needing power just can make the situation that car 14 turns round be called " regeneration operating " to the motion of balance direction, the electric power that produced this moment is called " regenerated electric power ".And, on the contrary, the running of the power that needs electrical motor 11 is called " power running ".
Also have, current operative condition is regeneration operating or power running, can judge according to position and load-carrying, the rotation direction of car 14.As other method, also can the change of voltage between the dc bus of inverter 23 be detected.That is, because the regenerated electric power that when regeneration operating, produces from electrical motor 11 towards inverter 23 reverse flows, so the voltage between dc bus raises.Through this state is detected, can be judged as regeneration operating.
Be (steps A 14 " being ") under the situation of regeneration operating at the operative condition of elevator, main control unit 27 for charge-discharge controller 25 output charging instruction, will store the storage battery 26 from the regenerated electric power that electrical motor 11 produces.And at this moment, the electric power that the fuel cell 24 from drive is stably exported also together stores (steps A 15) in the storage battery 26 with above-mentioned regenerated electric power.
On the other hand, at the operative condition of elevator (steps A 14 " denying ") under the situation of power running, main control unit 27 to charge-discharge controller 25 output discharge instructions, makes the electric power that stores in storage battery 26 discharge into drive system (steps A 16).Thus, except from the electric power of fuel cell 24 outputs, also supply with for inverter 23 from the electric power that storage battery 26 discharges.
Like this, utilizing fuel cell 24 that the running of elevator is continued midway, under the situation that power down mode has recovered (steps A 17 " being "), main control unit 27 stops the driving (steps A 18) of fuel cell 24.After this, utilize the electric power that provides from industrial power supply 21, as normally carrying out the running of elevator.
Fig. 4 is the figure of the relation of discharge energy and the electric power storage energy of expression in this embodiment.I among the figure
0The current value that fuel cell 24 perseverances of expression from drive flow out quietly.And Eout representes that Ein representes to store the energy in storage battery 26 from the energy of storage battery 26 discharges.
As stated, during utilizing that fuel cell 24 carries out that electric power supplies with, correspondingly control the work that discharges and recharges for storage battery 26 with the operative condition of elevator.In the case, when needing the power running of electric power, switch to discharge work, be provided for inverter 23 thereby the electric power of fuel cell 24 adds the auxiliary power that discharge produced by storage battery 26.
Thereby, even for example just switching to fuel cell 24, can't guarantee under the state of enough electric power, also can the running of elevator stopped, and original state be proceeded running through supplying with the electric power of storage battery 26.And, with storage battery 26, can cater to the load variations of elevator, thereby the electric power of all-the-time stable is provided through also.
And, when regeneration operating, switch to charging work, except the regenerated electric power that produces at this moment, the electric power of fuel cell 24 is also stored in the storage battery 26.Thus, can in regeneration operating, guarantee electric power effectively, prepare against in power running.
Also having, though in above-mentioned the 1st embodiment, explained and used industrial power supply 21 to carry out the situation that electric power is supplied with, when having a power failure, switched to fuel cell 24 when common, also can be the structure of only carrying out the electric power supply all the time with fuel cell 24.Under situation so, through correspondingly controlling the work that discharges and recharges for storage battery 26 with the operative condition of elevator, also can with above-mentioned load variations of likewise catering to elevator, supply with thereby carry out stable electric power.
(the 2nd embodiment)
Next, describe about the 2nd embodiment of the present invention.
If storage battery 26 is in the state that approaches to be full of electricity, then because can't use storage battery 26 to absorb the output power of fuel cells 24, so must be transformed into heat and consume with resistance etc.So, in the 2nd embodiment, correspondingly the driving of fuel cell 24 is stopped control with the charge condition of storage battery 26, do not allow unnecessary electric power to produce.
Basic structure is identical with above-mentioned the 1st embodiment.But; As shown in Figure 5; As the functional structure of main control unit 27, except power failure test section 27a, battery-operated control part 27b, operative condition test section 27c, discharge and recharge the instruction department 27d, also further be provided with 27e of calling detection portion and battery charge test section 27f.
The 27e of calling detection portion, what detection of call was registered has or not.Also have,, be " escalator calling " or " car call " in this what is called " calling "." escalator calling " is that it is registered through the arrow button of pressing the escalator that is arranged at each floor in the calling of escalator registration." car call " is the calling of in car, registering, and it is registered through pressing the purpose floor button that is arranged in the car.
Battery charge test section 27f, the charge condition through 25 pairs of storage batterys 26 of charge-discharge controller detects.Also have, as the method for inspection of charge condition, though the method that for example has voltage to storage battery 26 rise to detect etc. in the present invention, is not particularly limited and is this method.
And in the 2nd embodiment, battery-operated control part 27b based on the testing result of the 27e of calling detection portion and the testing result of battery charge test section 27f, controls the driving of fuel cell 24.
Below, the work of the 2nd embodiment is described.
Fig. 6 is the diagram of circuit that the electric power in expression the 2nd embodiment of the present invention is supplied with the work of handling.In addition, in the processing shown in this diagram of circuit, read in preset program through this main control unit 27 and carry out as computing machine.
Now, set fuel cell 24 and be activated, the electric power that produces from this fuel cell 24 is provided for inverter 23 (step B11).At this moment, with above-mentioned the 1st embodiment likewise, correspondingly control the work that discharges and recharges (step B12) with the operative condition (regeneration operating/power running) of elevator for storage battery 26.
That is, when regeneration operating, become charging work, the electric power of fuel cell 24 and regenerated electric power are together stored in the storage battery 26.And, when power running, become discharge work, the electric power that stores in storage battery 26 is discharged, and add that the electric power of fuel cell 24 together is provided for inverter 23.
At this, in the charging work of storage battery 26, main control unit 27 is confirmed the charge condition (step B13) of storage battery 26 through charge-discharge controller 25.Its result, if storage battery 26 is in the state (step B14 " being ") that approaches to be full of electricity, then main control unit 27, the driving of fuel cell 24 stopped (step B15).Also have, so-called " approaching to be full of the state of electricity " is set at about 90% the state that charges to accumulator capacity for example,
And; Driving at fuel cell 24 stops under back, as to detect escalator calling or the car call situation (step B16 " being "); Main control unit 27; To charge-discharge controller 25 output discharge instruction, make the electric power discharge (step B17) that stores in storage battery 26, and starting fluid battery 24 (step B18) again.After this, repeat the processing that begins from above-mentioned steps B12.
Like this, when approaching to be full of the state of electricity,, can prevent the consumption of fuel of the waste of elevator (car) when being in readiness for action at storage battery 26 through during till the registration of calling out is arranged, the driving of fuel cell 24 being stopped.And, can save the mechanism that is used to consume the electric power that can't use storage battery 26 absorptions.
And; When fuel cell 24 being restarted owing to the registration of calling out; Electric power through making storage battery 26 discharges, even launching slowly of fuel cell 24 can not be guaranteed enough electric power when starting, the required electric power of running of elevator can be provided also.
Also have, though in above-mentioned each embodiment, as the running state hypothesis " power running " and " regeneration operating " of elevator and be illustrated, in fact except " power running " and " regeneration operating ", also have " readiness for action ".So-called " readiness for action " is meant the state that does not have calling, car 14 to rest.Because when " readiness for action ", also export a spot of electric power quietly, so also can this electric power be stored in the storage battery 26 from fuel cell 24 perseverances.
And, though in the example of Fig. 1, be provided with changer 22, this changer 22 such effect of having held concurrently: make the regenerated electric power that in the drive system of elevator, produces be back to industrial power supply 21 sides in industrial power supply 21 sides.Under the situation of elevator of the present invention, because regenerated electric power is stored in the storage battery 26, so it is less to be back to the electric power of industrial power supply 21 sides.Thereby, must not need the ability of changer 22, for example also can adopt the diode group.
In a word, the present invention is defined in above-mentioned each embodiment former state, thereby but the implementation phase can be in the scope that does not break away from its purport be out of shape and specialize constitutive requirements.And, be utilized in the suitable combination of disclosed a plurality of constitutive requirements in above-mentioned each embodiment, can form variety of way.For example, also can from the whole constitutive requirements shown in the embodiment, omit several constitutive requirements.And then, also can make the suitable combination of constitutive requirements in the different embodiment.
According to the present invention, through utilizing fuel cell, can cater to the load variations of elevator, the electric power of all-the-time stable is provided effectively.
Claims (2)
1. elevator control device, it is the elevator control device that possesses fuel cell, it is characterized in that, possesses:
The Reserve Power Division of predetermined volumes;
The operative condition test section, it detects the operative condition of elevator;
Discharge and recharge control part, it is according to the operative condition of the elevator that is detected by this operative condition test section, when regeneration operating, with result from the drive system regenerated electric power together, will store the above-mentioned Reserve Power Division from the electric power of above-mentioned fuel cell output; When power running, the electric power that stores in above-mentioned Reserve Power Division is discharged, and add that the electric power of exporting from above-mentioned fuel cell together offers drive system;
The charging test section, it detects the charge condition of above-mentioned Reserve Power Division being discharged and recharged in the charging work that control part carries out by above-mentioned;
Battery-operated control part, it stops the driving of above-mentioned fuel cell under the situation that is detected the state that approaches to be full of electricity by this charging test section;
Detect whether the calling detection portion that is registered of calling out is arranged;
Wherein, above-mentioned battery-operated control part under the situation of the registration that is detected calling by above-mentioned calling detection portion, restarts the above-mentioned fuel cell that is in stopping.
2. according to the described elevator control device of claim 1, it is characterized in that:
The above-mentioned control part that discharges and recharges when the restarting of above-mentioned fuel cell, discharges the electric power that stores in above-mentioned Reserve Power Division and offers drive system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP170350/2008 | 2008-06-30 | ||
| JP2008170350A JP2010006569A (en) | 2008-06-30 | 2008-06-30 | Control device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101618812A CN101618812A (en) | 2010-01-06 |
| CN101618812B true CN101618812B (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910142506 Expired - Fee Related CN101618812B (en) | 2008-06-30 | 2009-06-22 | Control device of elevator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2010006569A (en) |
| CN (1) | CN101618812B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011195285A (en) * | 2010-03-19 | 2011-10-06 | Toshiba Elevator Co Ltd | Elevator |
| JP2012056646A (en) * | 2010-09-06 | 2012-03-22 | Toshiba Elevator Co Ltd | Elevator system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1311155A (en) * | 2000-02-28 | 2001-09-05 | 三菱电机株式会社 | Elevator control device |
| CN1311153A (en) * | 2000-02-28 | 2001-09-05 | 三菱电机株式会社 | Elevator control device |
| CN1311146A (en) * | 2000-02-28 | 2001-09-05 | 三菱电机株式会社 | Elevator control device |
| JP3253461B2 (en) * | 1994-09-05 | 2002-02-04 | 株式会社東芝 | Elevator group management controller |
| CN1419517A (en) * | 2000-03-31 | 2003-05-21 | 因温特奥股份公司 | Device and method for reducing the power of the supply connection in lift systems |
| CN200969371Y (en) * | 2006-09-29 | 2007-10-31 | 上海清能燃料电池技术有限公司 | Working status controllable fuel cell system |
| JP2008017576A (en) * | 2006-07-04 | 2008-01-24 | Suzuki Motor Corp | Vehicle controller |
| JP2008042999A (en) * | 2006-08-02 | 2008-02-21 | Matsushita Electric Works Ltd | Power supply device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS609336A (en) * | 1983-06-27 | 1985-01-18 | 三菱電機株式会社 | Power source for elevator |
| JP2007155188A (en) * | 2005-12-02 | 2007-06-21 | Tokyo Gas Co Ltd | Heat pump type heat source device driven by solid oxide fuel cell as power source and operation method thereof |
-
2008
- 2008-06-30 JP JP2008170350A patent/JP2010006569A/en active Pending
-
2009
- 2009-06-22 CN CN 200910142506 patent/CN101618812B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3253461B2 (en) * | 1994-09-05 | 2002-02-04 | 株式会社東芝 | Elevator group management controller |
| CN1311155A (en) * | 2000-02-28 | 2001-09-05 | 三菱电机株式会社 | Elevator control device |
| CN1311153A (en) * | 2000-02-28 | 2001-09-05 | 三菱电机株式会社 | Elevator control device |
| CN1311146A (en) * | 2000-02-28 | 2001-09-05 | 三菱电机株式会社 | Elevator control device |
| CN1419517A (en) * | 2000-03-31 | 2003-05-21 | 因温特奥股份公司 | Device and method for reducing the power of the supply connection in lift systems |
| JP2008017576A (en) * | 2006-07-04 | 2008-01-24 | Suzuki Motor Corp | Vehicle controller |
| JP2008042999A (en) * | 2006-08-02 | 2008-02-21 | Matsushita Electric Works Ltd | Power supply device |
| CN200969371Y (en) * | 2006-09-29 | 2007-10-31 | 上海清能燃料电池技术有限公司 | Working status controllable fuel cell system |
Non-Patent Citations (1)
| Title |
|---|
| JP特开昭60-009336A 1985.01.18 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101618812A (en) | 2010-01-06 |
| JP2010006569A (en) | 2010-01-14 |
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