CN102295201B - Elevator - Google Patents
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- CN102295201B CN102295201B CN201110170551.9A CN201110170551A CN102295201B CN 102295201 B CN102295201 B CN 102295201B CN 201110170551 A CN201110170551 A CN 201110170551A CN 102295201 B CN102295201 B CN 102295201B
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- elevator
- lift car
- floor
- hibernation mode
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Abstract
The invention aims to provide an elevator, which can reduce the standby electric power consumed in a pause process and lower the consumption of regenerative energy so as to further save energy. The elevator in the invention has a counterweight heavier than the elevator car and a rated load lighter than the elevator car. When in an idle state, the elevator is made to be in a pause mode and the power supply is stopped to supply to a DC smooth circuit. When recovered from the pause mode, the elevator performs control on the running of an inverter so as to make the DC voltage of the DC smooth circuit during the inverter switch operation starting point at a floor higher than that when the elevator car is in the pause mode and the elevator hall call occurs lower than that the elevator hall call occurs on the lower floor.
Description
Technical field
The present invention relates to a kind of elevator, especially relate to a kind of technology while recovering from readiness for action.
Background technology
The operation factor of the elevator using in apartment and flats is lower, long in the time of readiness for action, so in order to make elevator further save the energy, the electricity consumption during reduction standby is an effective method.Method as the electricity consumption during reduction standby, for example, disclose a kind of technology in patent documentation 1, and it cuts off the power supply to power inverter and control power circuit during the standby of elevator., in the technology of patent documentation 1, during elevator standby, the voltage drop of direct current smoothing circuit charges to direct current smoothing circuit when recovering, so reach, drives the required voltage of elevator to need the regular hour.For this problem, in patent documentation 2, by being set separately, the circuit that direct current smoothing circuit is charged accelerates the resume speed from readiness for action, to suppress the decline of service quality.
In addition, in non-patent literature 1, disclose and in direct current smoothing circuit, used double layer capacitor to increase the technology of the capacity of electrical storage device.In addition, the document also discloses that the technology in the cond of direct current smoothing circuit by renewable sources of energy savings.
Patent documentation 1: the open patent 2001-2335 of Japan communique
Patent documentation 2: the open patent 2006-36399 of Japan communique
Non-patent literature 1: the load balance of double layer capacitor energy storage type elevator (Load Leveling) mode (too field Gui Yu etc., the industry application conference 1-84 of department of electric association in 2009)
, in patent documentation 1, as illustrated, during elevator standby, the voltage drop of direct current smoothing circuit charges to direct current smoothing circuit when recovering, so reach, drive the required voltage of elevator to need the regular hour, have long problem recovery time.
In addition, in patent documentation 2, although shortened from readiness for action, recover the required time, owing to also needing that during standby direct current smoothing circuit is charged, so there is insufficient this problem of the reduction degree of stand-by electric.
While using high-capacity cond in direct current smoothing circuit as described in non-patent literature 1, voltage slow decreasing due to the direct current smoothing circuit during standby, if so start to the time of recovering shorter from standby, the impact of voltage drop is little, if and started through recovering again for a long time from standby, charging duration while recovering equally can be elongated, therefore has long problem recovery time.In addition, adopt the high-capacity cond problem that also existence can cause device to maximize.Have, when the renewable sources of energy too much cannot all be stored in cond, also existing need to be with resistance by its used up problem again.
Summary of the invention
Problem to be solved by this invention is to provide a kind of elevator, and it can, in the stand-by electric reducing between stand-down, reduce the consumption of the renewable sources of energy, further to save the energy.
Other problems beyond above-mentioned problem can be clear and definite based on specification sheets of the present invention or accompanying drawing.
In order to solve above-mentioned problem, in elevator of the present invention, the weight of counterbalanced weight is arranged to the Heavy Weight than lift car, and the total weight of the lift car during than rated load, nominal load is light, at one's leisure, stop powering from power supply to direct current smoothing circuit, make elevator enter hibernation mode, when recovering from hibernation mode, the operation of inverter is started to control, while making to occur in than the lift car floor that the floor of standby is low during hibernation mode with elevator lobby calling, compare, when elevator lobby is called out the floor occur in than lift car story height of standby during hibernation mode make inverter start switch motion time the DC voltage value of direct current smoothing circuit lower.
Said structure is an example only, and the present invention can carry out suitable change in the scope that does not depart from its technological thought.In addition, other structures of the present invention beyond said structure can be further clear and definite based on specification sheets of the present invention or accompanying drawing.
According to the present invention, can, in the stand-by electric reducing between stand-down, reduce the consumption of the renewable sources of energy, thereby can further save the energy.Other effects of the present invention can be clear and definite based on recording in specification sheets of the present invention.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of embodiments of the invention 1.
Fig. 2 means the diagram of circuit from standby to the flow process of recovering in embodiments of the invention 1.
Fig. 3 means the figure of the DC voltage change situation in embodiments of the invention 1.
Fig. 4 is the constructional drawing of embodiments of the invention 2.
Fig. 5 means the diagram of circuit from standby to the flow process of recovering in embodiments of the invention 2.
Fig. 6 means the figure of the DC voltage change situation in embodiments of the invention 2.
Fig. 7 means the figure of the inscape of embodiments of the invention 1.
Fig. 8 means the figure of the inscape of embodiments of the invention 3.
Fig. 9 is the constructional drawing of embodiments of the invention 4.
Nomenclature:
1 elevator drive control setup
2 power supplys
3 main power switch
4 winchs
5 lift cars
6 counterbalanceds weight
7 hoist cables
8B, 81,82,8k, 8N elevator hall call device
10 elevator control parts
11 switch circuit controllers
12 filter reactors
13 are with the rectifying circuit of the function of rationing the power supply
14 direct current smooth condensers
15 inverters
18 power conversion circuit control parts
101 operation control parts
102 operational mode judging parts
103 invertor operations start control part
151 current sensors
161 braking resistors
162 brake switches
163 diodes
171 control power supply
172 voltage conversion circuits
181 power supply control portions
182 brake switch control parts
183 inverter control portions
The specific embodiment
Referring to accompanying drawing, embodiments of the invention are described.In each accompanying drawing and each embodiment, identical or similar inscape adopts identical symbol to represent, and omits the explanation of its repetition.
Fig. 1 represents the general configuration of the elevator in the first embodiment of the present invention.The structure of this elevator be take general traction elevator as example, lift car 5 and weight be loaded with rated load, nominal load roughly half passenger time the identical counterbalanced weight 6 of lift car by hoist cable 7, be connected, and drive by 4 pairs of lift cars 5 of winch and counterbalanced weight 6.In addition, the weight of counterbalanced weight 6 is an example only, can adopt the Heavy Weight of weight ratio lift car 5, but the light counterbalanced weight of total weight of lift car 5 during than rated load, nominal load.
Elevator drive control setup 1 is connected with power supply 2, is with the rectifying circuit 13 of the function of rationing the power supply to be connected with power supply 2 by main power switch 3, switch circuit controller 11 and filter reactor 12, and the alternating current from power supply is transformed into direct current (DC).At this, as the ration the power supply rectifying circuit 13 of function of band, show the rectifying circuit that adopts phase control circuit, this phase control circuit uses controlled nonlinear semiconductor resistor, arc angle by controlled nonlinear semiconductor resistor limits the power supply from power supply, under the state forcing down when being suppressed at power connection, rush current occurs at direct current (DC).In addition, in elevator drive control setup 1, by 14 pairs of direct current (DC) that come from alternating current conversion of the direct current smooth condenser as direct current smoothing circuit, undertaken smoothly, and the direct current (DC) after level and smooth is transformed into the alternating current of variable ratio frequency changer transformation by inverter 15 as direct supply, this alternating current is fed to the electrical motor of winch 4 of elevator elevator is driven to control.As direct current smooth condenser 14, can as non-patent literature 1, adopt double layer capacitor, also can adopt other cond.
In elevator drive control setup 1, for preventing that producing superpotential so-called braking resistor 161 and brake switch 162 and direct current smooth condenser 14 when entering regeneration mode is connected in parallel.In addition,, when brake switch 162 disconnects, for the leaping voltage that the wiring inductance suppressing because of braking resistor 161 and brake switch 162 causes, diode 163 is connected with braking resistor 161 anti-parallel connections.For example, under regeneration mode, the passenger in car roughly reaches under the state of rated passenger, and when lift car 5 declines, because its potential energy produces the renewable sources of energy, the voltage of direct current smooth condenser 14 (being designated hereinafter simply as " vdc ") rises.When DC voltage rising arrives according to after the setting value (turn-on voltage of brake switch) of the settings such as rated voltage of the on-off element of the rated voltage of direct current smooth condenser 14 and formation inverter 15, brake switch control part 182 is connected brake switch 162, thereby connect braking resistor 161, by this resistance, the energy is fallen as heat consumption, the voltage that suppresses thus vdc rises.In addition,, when vdc drops to after the open voltage of the brake switch lower than brake switch turn-on voltage, brake switch control part 182 disconnects brake switch 162.
Be with the rectifying circuit 13 of the function of rationing the power supply to carry out phase control by power supply control portion 181, thus the power supply of power supply limited.Fig. 7 represents the ration the power supply structure example of rectifying circuit 13 of function of band.In Fig. 7, as shown in Fig. 3 of non-patent literature 1 (c), exemplified with adopting three-phase alternating-current supplies as power supply 2, as the ration the power supply rectifying circuit 13 of function of band, adopt the situation of the phase control circuit of three-phases.Main power switch 3, switch circuit controller 11 and filter reactor 12 also consist of three-phase.Phase control circuit consists of six transwitchs 1311～1316.Owing to generally all adopting three-phase alternating-current supply power supply in elevator, so this is the most general structure example.
Power conversion circuit control part 18 and elevator control part 10 are controlled required electric power by controlling power supply 171 supplies, control power supply 171 and there are two systems, system is the system of for example powering by not shown voltage transformer and rectifier and smoothing circuit from power supply 2, and another system is by voltage conversion circuit (DC/DC changer) 172 systems of powering from direct current smooth condenser 14.For example after power connection soon, direct current (DC) forces down and cannot provide sufficient electric power by DC/DC changer 172, under this state, by power supply 2, powered, at the voltage of direct current smooth condenser 14, reach and make DC/DC changer move required voltage when above, by voltage conversion circuit 172, from vdc, power.In addition, in voltage conversion circuit 172, be also connected with for make the resistance that is roughly ten to hundred k Ω of the electric residue electric discharge of direct current smooth condenser 14 when power supply disconnects, make for example when carrying out the replacing of parts, not have DC current residual.
In elevator control part 10, according to the elevator hall call device 8B to each floor of ground N layer from B1, the elevator lobby call information of 81～8N and the position of lift car 5 and load information etc. represent the information of state, by operational mode judging part 102 judgements operation next time, be Power operation or regeneration operation, the operation that thus invertor operation is started to control part 103 starts voltage Vst and switches to V1 or V2, operation beginning voltage Vst and vdc Vdc are compared, if Vdc is more than Vst, to inverter control portion 183, send operation commencing signal.The changing method that invertor operation starts voltage Vst partly illustrates in aftermentioned with reference to Fig. 2.In addition, the operational mode judging part 102 of elevator control part 10 is configured to according to the service condition of the information judgement elevator of the lift cars such as load information 5 of elevator lobby call information and lift car 5, being judged as when certain hour (large approximate number minute more than) was not used elevator, be judged as in idle period.
Referring to Fig. 2 to elevator at one's leisure section action describe.In the example of prior art, section (1001) at one's leisure, in order to enter dormant state, such as making, the switch circuit controller 11 of electromagnetic contactor etc. is open, make to be with the rectifying circuit 13 of the function of rationing the power supply and inverter 15 to stop action, with this, reduce stand-by electric (1002).Follow in this, the power supply of 2 pairs of direct current smooth condensers 14 of power supply is also stopped.Because elevator control part 10 under this state still some function is continuing, so although power consumption is little during than operation, but still at power consumption, so vdc Vdc decline gradually along with the time (1003).The decline degree of vdc Vdc is because the capacity of direct current smooth condenser 14 and the difference of voltage are different, and while being connected with double layer capacitor etc. as shown in non-patent literature 1, the descending speed of vdc is quite slow.
In addition, when the power supply from power supply 2 stops for a long time, when vdc Vdc drops to the voltage that cannot make voltage conversion circuit 172 work, connect switch circuit controller 11, by controlling power supply 171 from power supply 2 power (this partial content is not shown).
For example, lift car 5 rests in as shown in Figure 1 one deck and has entered dormant state, supposes that under this state elevator lobby calling (1004) has occurred k layer up.After elevator lobby has occurred calling out, elevator restarts operation, and switch circuit controller 11 is connected, and makes ration the power supply rectifying circuit 13 startings of function of band, and to direct current smooth condenser 14 charge (1005).Thus, vdc Vdc rising (1006).
On the other hand, operation when judgement recovers from stopping in operational mode judging part 102 is Power operation or regeneration operation (1007), and according to judged result, the operation of inverter 15 is started to voltage Vst and switch to V1 or V2.At this, owing to being from the recovery of stopping, so there is no passenger in lift car 5, the operation of rising from the standby floor (one deck) of lift car 5 towards the k layer that is positioned at top of unloaded lift car 5, because the counterbalanced weight 6 of the Heavy Weight of the lift car 5 of weight ratio zero load declines, so now, for regeneration mode operation, therefore, the operation of inverter 15 is started to voltage and switches to Vst=V1 (1008a).On the other hand, when carrying out the operation recovering from stopping, there is floor that lift car calls out below the standby floor of the lift car 5 in dormant state, unloaded lift car 5 declines in situation about moving, elevator moves with power mode, and therefore the operation of inverter 15 is started to voltage Vst sets the V2 higher than V1 (1008b) for.At this, in the situation that recovering from stopping, when inverter startup, judgement operational mode is regeneration operational mode or power mode of operation, and according to judged result, the operation of inverter 15 is started to voltage Vst and switch to V1 or V2, its reason is partly illustrated in aftermentioned.
In inverter control portion 183, by charging to direct current smooth condenser 14, vdc Vdc rise (1006), more than the operation that reaches inverter 15 starts voltage Vst when (Vdc >=Vst) (1009), inverter 15 brings into operation, and the drg of elevator open (1010), lift car 5 starts lifting (from the recovery of stopping).
Conventionally, in elevator, of poor quality due between lift car 5 and counterbalanced weight 6, the moment elevator open at drg can move, in order to prevent that elevator from moving, before drg is open, by from inverter 15 power supplies, winch 4 is applied to moment, to carry out STCP starting compensatory.Even if occurred to make the elevator lobby that unloaded lift car 5 rises with regeneration mode to call out as above-mentioned example, but still need to move with power mode of operation during STCP starting compensatory, so vdc that need to be higher than V1.At this, when the unloaded lift car 5 of standby under dormant state moves because receiving the calling of other floors, owing to there is no passenger in car, so elevator problem can not occur drg unexpected movement of open moment yet.Therefore, be arranged in lift car 5 and when zero load, do not carry out STCP starting compensatory.Thus, during with power mode, compare, the operation that can reduce inverter 15 when regeneration mode starts voltage Vst.
In addition, as having or not passenger's method in judgement lift car 5, except by measuring the sensor of the quality in lift car judges, in nearest elevator, the method of utilizing pick up camera to carry out image recognition etc. has also obtained universal, so can detect more effectively, has or not passenger in lift car.Therefore, also can be arranged to, the occasion except recovering from dormant state, the in the situation that of there is no passenger in lift car 5 being detected, not carry out STCP starting compensatory.
Fig. 3 represents the going code of vdc Vdc, switch circuit controller 11, the action command of rectifying circuit 13 with the function of rationing the power supply, the roughly variation of the going code of the operation license of inverter 15, brake switch 162, torque command and speed command.When time point t0, when having passed through certain hour from previous elevator operation, the operation control part 101 of elevator control part 10 is judged as in idle period, disconnects switch circuit controller 11, and make to be with the rectifying circuit 13 of the function of rationing the power supply to quit work, enter hibernation mode.Thus, can reduce the stand-by electric while stopping.In addition,, when standby, inverter 15 is (not shown) out of service also.
Because the power supply of power supply 2 stops, vdc Vdc declines, when time point t1, and Vdc < V2, the voltage drop of inverter 15 is to the degree that cannot directly bring into operation (the signal disconnection of the operation license of the inverter 15 in figure).
Cause, under state that vdc declined, supposing at time point t2 disconnecting because power supply is long-time, at the k layer being positioned at above the standby floor of lift car 5, elevator lobby calling has occurred.At elevator lobby, call out after generation, for elevator is recovered from readiness for action, the operation control part 101 of elevator control part 10 is connected switch circuit controllers 11, make to be with rectifying circuit 13 work of the function of rationing the power supply, direct current smooth condenser 14 is charged, and thus, vdc Vdc rises.Now, the unloaded lift car 5 that operational mode judging part 102 is judged as in standby rises with regeneration operational mode, and invertor operation starts control part 103 operation beginning voltage is switched to Vst=V1 (V1 is the voltage lower than V2).
At time point t3 place, because vdc Vdc >=operation starts voltage Vst (V1), so the signal of the operation of inverter 15 license is connected, and by inverter control portion 183, inverter 15 is brought into operation, and according to torque command and speed command etc., inverter 15 is carried out to switch motion control.Now, owing to there is no passenger, so open drg under the state that does not carry out STCP starting compensatory, according to speed command, lift car 5 is moved.In addition,, in speed command, before being about to stop and reaching before certain speed, generally to reducing acceleration/accel, and in the accompanying drawings, for convenience of explanation, with straight line, represent.
In the situation that being started to voltage Vst, the operation of inverter 15 remains on V2 always, the variation of vdc Vdc is as shown in the dotted line at t3～t4 place of Fig. 3, the operation time opening of inverter 15 is t4, so long to the time that action beginning is required, compare with start mobile occasion at t3, arrive evening time of passenger's wait floor k layer.That is to say, when power mode of operation, due to needs moment, thus be necessary that operation is started to voltage Vst switches to V2, and when regeneration operational mode, compare with power mode of operation, owing to not needing moment, thus the low voltage V1 of required voltage V2 in the time of operation beginning voltage Vst can being switched to specific power operational mode, thus, can be advanceed to the time point t3 more Zao than time point t4 the operation time opening of inverter 15, can from readiness for action, recover as soon as possible.
When inverter 15 has just brought into operation, the rising of vdc Vdc is suppressed, but along with the raising of speed, because the heavy counterbalanced weight 6 of the lift car 5 of the weight ratio zero load regenerated electric power producing that declines becomes greatly, so voltage further raises.At time point t5 place, more than vdc Vdc reaches the setting voltage Vdon that makes brake switch connection, brake switch 162 is connected, and superfluous regenerated electric power is consumed as heat.Thus, vdc Vdc declines.Along with speed declines, regenerated electric power reduces, and at time point t6 place, vdc Vdc drops to be made below the open setting voltage Vdoff of brake switch, and brake switch 162 is open.In addition, the variation of vdc when brake switch 162 is connected because of the difference of the resistance value of braking resistor 161 different, and time point t6 is also because the difference of the voltage setting value of Vdon and Vdoff etc. is different.
After this, at time point t7 place, lift car 5 arrives k layers, and according to taking advantage of the destination floor registration into the passenger of elevator to carry out lifting.After this, even in regeneration operational mode, also will carry out STCP starting compensatory, institute is so that operation beginning voltage Vst turns back to the setting of V2.
According to said structure, can reduce the stand-by electric while stopping, and when recovering from stopping, during floor above passenger's calling occurs in the standby floor that is positioned at elevator, the time can be shortened to time point t3 from time point t4.In addition, by the operation of inverter 15 being started to the setting value of voltage Vst, switch to the V1 lower than V2, make at vdc Vdc from V1 to Vdon during to be stored in the energy in direct current smooth condenser 14 more than the energy of storage during from V2 to Vdon, thereby can reduce by the used up energy of braking resistor 161, can contribute for the energy-conservation of elevator.
In general elevator, except the sooner or later busy time period, the Occupation coefficient of elevator is low, long in the time of idle condition, so elevator is many in the situation of one deck standby as key horizon.Therefore,, when thering is any floor on the ground and occurring passenger, can shorten wait time and reduce the effect of energy consumption.
In addition,, in embodiment 1, the band band of rectifying circuit 13 of the function function of rationing the power supply of rationing the power supply not is necessary, can adopt general rectifying circuit 13 yet.
Not carrying out this setting of STCP starting compensatory neither be necessary, also can be arranged to carry out STCP starting compensatory.Now, although power consumption increases to some extent, compare with keeping the occasion of Vst=V2, still can be energy-conservation.
Fig. 4 represents the general configuration of the elevator in the second embodiment of the present invention, and itself and Fig. 1 are roughly the same.In the present embodiment, operational mode when 102 judgements of operational mode judging part recover from readiness for action, the setting value that the operation of inverter 15 is started to voltage Vst switches to V1 or V2, sends instruction, to change current-order to power supply control portion 181 simultaneously.
Fig. 5 represents flow process now, and Fig. 6 represents the situation of change of vdc Vdc etc.The difference of Fig. 5 and Fig. 2 is, according to the judged result of operational mode (1007), when regeneration, the operation of inverter 15 is started to voltage Vst and switch to V1, and charging current is set as to Iso=I1 (1008c), when Power operation, the operation of inverter 15 is started to voltage and switch to Vst=V2 (V1 < V2), and charging current is set as to Iso=I2 (I1 < I2) (1008d).
The difference of Fig. 6 and Fig. 3 is, when time point t2 in the situation that k layer has occurred to call out, similarly to Example 1 with the operation of regeneration operational mode, so being started to voltage, the operation of inverter 15 is set as Vst=V1, and the ration the power supply charging current Iso of rectifying circuit 13 of function of band is limited in I1, to dwindle charging current, can reduce the power supply from power supply 2 thus.Now, compare with the occasion that does not limit vdc Vdc rising, it is mild that the rising of vdc Vdc becomes.Now, time while reaching V1 with conventionally the operation of inverter 15 is started to voltage and is set as V2 and charging current is made as to the situation of Iso=I2 identical, all time point t4, so the time point t10 of the operation time opening of inverter 15 and arrival k layer is constant, do not shorten the time, but can reduce the power supply from power supply 2, and there is the effect of the consumed power that reduces braking resistor 161, so can contribute for the energy-conservation of elevator.In addition, slower than the situation of Fig. 6 by charging current Iso is constrained to, the operation time opening of the inverter 15 in regeneration operational mode can also be set between time point t3 and time point t4, now can also obtain the effect that shortens cranking time.
Fig. 8 represents the structure of embodiments of the invention 3.In Fig. 8, as power supply 2, use three-phase alternating-current supplies, as the ration the power supply rectifying circuit 13 of function of band, adopt and on diode rectifier circuit, combine the structure that boost chopper forms shown in Fig. 3 (b) of non-patent literatures 1.Rectifying circuit consists of six diodes (1321～1326) and filter capacitor 133, and boost chopper consists of chopping switch 134, anti-parallel connection diode 136, copped wave reactor 135 and polarity restriction diode 137.
The phase control circuit of Fig. 7 needs six control signals, and the control signal of Fig. 8 only have chopping switch 134 this, so signal system is simplified.
Fig. 9 represents the structure of embodiments of the invention 4.In Fig. 9, as power supply 2, use single phase poaer supplies, as the ration the power supply rectifying circuit 13 of function of band, adopt the phase control circuit being formed by six transwitchs 1311～1316.In addition, at direct current smooth condenser, be partly connected in series with a plurality of double layer capacitors, in this case 5 series connection (1411～1415).Due to double layer capacitor and general electrolytic condenser etc., to compare electrostatic capacity large, so adopt single phase poaer supply also can not suppress the pulsation of vdc even if do not adopt three phase mains.On the other hand, in order to make the voltage negative guarantee between series connection hold equalization, be conventionally arranged to for example be connected with the structure of shunt resistance (1421～1425), even if make, between electrostatic capacity, occur that deviation also can suppress unequal.Because electrostatic capacity is large, voltage drop when all power supplys disconnect is also steady, but owing to also there being the resistance that makes voltage burden uniformization, so disconnect after certain hour at power supply, declining appears in vdc, thus when recovering, need charging, now, by adopting the method shown in Fig. 3, can shorten the time of recovering required.
In addition, when regeneration mode, because electrostatic capacity is large, so that the increase of vdc also becomes is mild.If but while increasing electrostatic capacity in order to reduce the power consumption of braking resistor 161, the capacity of double layer capacitor increases, cause device to maximize, so as shown in Fig. 3 or Fig. 6, when turning round starting with regeneration operational mode, by being set as low dc voltage, can realize energy-conservation.
According to embodiment, describe the present invention above, the structure illustrating in above-described each embodiment is illustrative structure, and the present invention can carry out suitable change in the scope that does not depart from its technological thought.In addition, illustrated structure in each embodiment, as long as there is no each other contradiction, also can be used in combination.
Claims (5)
1. an elevator, has lift car, the counterbalanced weight being connected with described lift car by hoist cable, for driving the winch of described lift car and for driving the elevator drive control setup of described winch,
Lift car weight described in the weight ratio of described counterbalanced weight, and the lift car total weight during than rated load, nominal load is light,
Described elevator drive control setup has: rectifying circuit, is transformed into direct current (DC) by the alternating current from power supply; Inverter, is supplied to described winch after described direct current (DC) is transformed into alternating current; Direct current smoothing circuit, is arranged between described rectifying circuit and described inverter; And elevator control part,
Described elevator is characterised in that,
Described elevator control part has: operation control part, and at one's leisure, described operation control part stops powering to described direct current smoothing circuit from described power supply, makes elevator enter hibernation mode; Start control part with invertor operation, when recovering from described hibernation mode, described invertor operation starts control part the operation of described inverter is started to control, make to call out while occurring in than the low floor of the floor of described lift car standby during described hibernation mode and compare with elevator lobby, when elevator lobby is called out the floor occurring in than described lift car story height of standby during described hibernation mode make described inverter start switch motion time the DC voltage value of described direct current smoothing circuit lower.
2. elevator according to claim 1, is characterized in that,
When recovering from described hibernation mode, call out while occurring in than the low floor of the floor of described lift car standby during described hibernation mode and compare with elevator lobby, elevator lobby is called out and to be occurred in than described lift car in the situation that the floor of the story height of standby during described hibernation mode, and the time till starting from the switch motion that starts to play described inverter to described direct current smoothing circuit power supply is shorter.
3. elevator according to claim 2, is characterized in that,
When recovering from described hibernation mode, elevator lobby is called out and to be occurred in than described lift car in the situation that the floor that during described hibernation mode, the floor of standby is low and elevator lobby are called out occurs in than described lift car in the situation that the floor of the story height of standby during described hibernation mode, and the size of the electric current of supplying to described direct current smoothing circuit is identical.
4. elevator according to claim 1, is characterized in that,
When recovering from described hibernation mode, elevator lobby is called out and to be occurred in than described lift car in the situation that the floor that during described hibernation mode, the floor of standby is low and elevator lobby are called out occurs in than described lift car in the situation that the floor of the story height of standby during described hibernation mode, identical from starting to the described direct current smoothing circuit switch motion of playing described inverter time till starting of powering.
5. according to the elevator described in any one in claim 1,2 and 4, it is characterized in that,
When recovering from described hibernation mode, call out while occurring in than the low floor of the floor of described lift car standby during described hibernation mode and compare with elevator lobby, the size of the electric current to described direct current smoothing circuit supply when elevator lobby is called out the floor occurring in than described lift car story height of standby during described hibernation mode is less.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010144405A JP5075947B2 (en) | 2010-06-25 | 2010-06-25 | elevator |
| JP2010-144405 | 2010-06-25 |
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| CN102295201A CN102295201A (en) | 2011-12-28 |
| CN102295201B true CN102295201B (en) | 2014-02-05 |
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|---|---|---|---|---|
| CN103910258A (en) * | 2013-01-04 | 2014-07-09 | 日立电梯（中国）有限公司 | Intelligent elevator energy-saving system |
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| CN104009739B (en) * | 2014-05-22 | 2016-10-26 | 湖南工业大学 | The on-off control method thereof of a kind of standby automatic power-off switch and device |
| CN104401825B (en) * | 2014-10-21 | 2016-01-20 | 宁夏通宇电梯制造发展有限公司 | A kind of elevator drive control setup and control method thereof |
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| CN1767995A (en) * | 2004-03-30 | 2006-05-03 | 三菱电机株式会社 | Elevator control device |
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| JP2004244191A (en) * | 2003-02-14 | 2004-09-02 | Mitsubishi Electric Building Techno Service Co Ltd | Power supply control device of elevator |
| JP4606744B2 (en) * | 2004-01-27 | 2011-01-05 | 三菱電機株式会社 | Elevator control device |
| JP4906377B2 (en) * | 2006-03-22 | 2012-03-28 | 株式会社日立製作所 | Elevator system |
| EP2168901B1 (en) * | 2007-07-25 | 2014-08-27 | Mitsubishi Electric Corporation | Elevator |
| JP5422966B2 (en) * | 2008-10-28 | 2014-02-19 | 三菱電機株式会社 | Elevator control method and system |
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| CN102295201A (en) | 2011-12-28 |
| JP5075947B2 (en) | 2012-11-21 |
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