CN101381046B - Elevator - Google Patents
Elevator Download PDFInfo
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- CN101381046B CN101381046B CN200810212775XA CN200810212775A CN101381046B CN 101381046 B CN101381046 B CN 101381046B CN 200810212775X A CN200810212775X A CN 200810212775XA CN 200810212775 A CN200810212775 A CN 200810212775A CN 101381046 B CN101381046 B CN 101381046B
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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
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention provides an elevator, wherein an electrical storage voltage control device (25) causes electric power charged into an electrical storage device (21) to be discharged to supply DC buses under the condition that a power failure detection device (26) detects power failure. Under the condition that the direction of the electric current detected by an electric current detection device (11) is the direction from a user electrical source (1) to a convertor device (2), namely, a power running direction, the electrical storage voltage control device (25) is judged as at power running to cause the electric power charged into the electrical storage device (21) to be discharged to supply the DC buses. On the other hand, under the condition that the direction of the electric current detected by the electric current detection device (11) is the direction from the convertor device (2) to the user electrical source (1), namely, a regenerating direction, the electrical storage voltage control device (25) is judged as at regenerating running to charge the electrical storage device (21) to regenerate the electric power.
Description
Technical field
The present invention relates to have the elevator of the operation function when having a power failure.
Background technology
Figure 12 shows the summary of the formation of existing elevator.This elevator, as drive system, possesses user's power supply 101, the AC voltage conversion of this user's power supply 101 is become the convertor device 102 of vdc, make the smooth condenser 103 of the smooth out rippleization of vdc, this dc voltage conversion is become the voltage variable changeable frequency alternating-current voltage/AC voltage DC-to-AC converter 104 and accept the electrical motor 105 that carries out work from the electric power of this DC-to-AC converter 104.
User's power supply 101 is three phase mains.Can carry out biphase rectification with convertor device 102 by the alternating-current voltage/AC voltage that this three phase mains produced, absorb the amount of ripple and smoothly turn to direct current with smooth condenser 103.Direct current after this smoothing is provided for DC-to-AC converter 104, is transformed into behind the alternating-current voltage/AC voltage of preset frequency as driving electric for toward electrical motor 105.
Supply with by means of such electric power, just can rotary driving motor 105, follow in this, pulley 107 rotations, by being wound on the rope on this pulley 107, car 108 and balance weight 109 just in elevating road bucket type ground carry out lifting work.
In addition, this elevator also possesses the current sensing means 111 by the electric current of the interchange input side of current probe 106 detection convertor devices 102, the dc voltage detecting device 115 of the terminal voltage of the vdc command device 113 of the command value of the terminal voltage of output smoothing cond 103 and detection smooth condenser 103.
In addition, this elevator also possesses: based on dc voltage detecting device 115 detected voltages with from the deviation of the command value of vdc command device 113 and the voltage-operated device 114 of the command value of the electric current that exchanges input side of output transform apparatus 102, with based on current sensing means 111 detected current values with from the deviation of the command value of voltage-operated device 114 and the current control device 112 of the electric current that exchanges input side of control change apparatus 102.
This elevator, also possess: after when common operating power operation, the voltage from user's power supply 101 being carried out conversion with the storage voltage converting means 100 of its electric power storage in electrical storage device 121, detect the power cut detection device 122 of the power failure of user's power supply 101, detected under the situation about having a power failure at this power cut detection device 122, operation in order to have a power failure, make electric power storage in the discharge of the electric power of electrical storage device 121, the storage voltage control setup of promptly between the dc bus of 104 of convertor device 102 and DC-to-AC converter, supplying with to the electric power supply line 123.
This elevator by user's power supply 101 supply powers, carries out DC-to-AC converter control by convertor device 102 and makes electrical motor 105 rotations, so that car 108 operations when power moves.And then energy returns from electrical motor 105 when (electric power) regeneration operation.This energy returns to user's power supply 101 via convertor device 102 from DC-to-AC converter 104.
In addition, the method that discharges and recharges of carrying out as electrical storage device to elevator, for example, just as open special permission communique, the spy of Japan open the 2005-343574 communique (below, be called patent documentation 1) in disclosed like that, the method that discharges and recharges of electrical storage device being carried out by means of the magnitude of voltage control of smooth condenser is arranged.
As mentioned above, though to charge to electrical storage device from user's power supply,, the electric power of this charging gained, the operation when can be used for having a power failure promptly then can not be used when power moves under the situation that does not take place to have a power failure.Therefore, can not effectively utilize the interior energy of elevator.
Summary of the invention
So, the object of the present invention is to provide the electric power of the operation in the time of both can being used to have a power failure to supply with electrical storage device, can also use the elevator of accumulating the electric power in this electrical storage device effectively.
In other words, elevator of the present invention is characterized in that, possesses: the convertor device that the AC voltage conversion from external ac power source is become vdc; To the smooth condenser that carries out smoothing with the pulsation of the vdc of convertor device institute conversion; The DC-to-AC converter that becomes the dc voltage conversion after level and smooth the alternating-current voltage/AC voltage of voltage variable changeable frequency to export; Drive the electrical motor that makes the car lifting with alternating-current voltage/AC voltage from DC-to-AC converter output; Accumulate the electrical storage device of electric power; The current sensing means of the sense of current of the interchange input side of detection convertor device; And the power cut detection device that detects the power failure of external ac power source, when differentiating car by the detected sense of current of current sensing means and be in the power operation actually or when being in the regeneration operation, be under the power situation in when operation or power cut detection device has detected under the situation about having a power failure detecting car, supply with the electric power of accumulating in electrical storage device to DC-to-AC converter, the situation when car is in the regeneration operation is next to electrical storage device charging regenerated electric power.
If employing the present invention, the electric power of the operation in the time of then can being used to have a power failure with the electrical storage device of elevator is supplied with, and can also use the electric power of accumulating in this electrical storage device effectively.
Description of drawings
Fig. 1 shows the summary of formation of the elevator of embodiments of the present invention 1.
Fig. 2 shows the classification of work of the elevator of embodiments of the present invention 1 with sheet form.
Fig. 3 shows the summary of formation of the elevator of embodiments of the present invention 2.
Fig. 4 shows the classification of work of the elevator of embodiments of the present invention 2 with sheet form.
Fig. 5 shows the summary of formation of the elevator of embodiments of the present invention 3.
Fig. 6 shows the classification of work of the elevator of embodiments of the present invention 3 with sheet form.
Fig. 7 shows the summary of formation of the elevator of embodiments of the present invention 4.
Fig. 8 shows the classification of work of the elevator of embodiments of the present invention 4 with sheet form.
Fig. 9 shows the summary of formation of the elevator of embodiments of the present invention 5.
Figure 10 shows the classification of work of the elevator of embodiments of the present invention 5 with sheet form.
Figure 11 shows the summary of formation of the elevator of embodiments of the present invention 6.
Figure 12 shows the summary of the formation of existing elevator.
The explanation of label
1,101: user's power supply; 2,102: convertor device; 3,103: direct current capacitors; 4,104: DC-to-AC converter; 5,105: electrical motor; 6,106: current probe; 7,107: pulley; 8,108: car; 9,109: balance weight; 11,111: current sensing means; 12,112: current control device; 13,113: the vdc command device; 14,114: voltage-operated device; 15,115: dc voltage detecting device; 21,121: electrical storage device; 22a: charging on-off element; 22b discharge on-off element; 23: direct current reactor; 24: charge-discharge circuit; 25,123: the storage voltage control setup; 26,111: power cut detection circuit; 41: the electric electromechanics current sensor; 42: motor current control device; 43: motor current detection device; 44: speed detector; 45: speed control unit; 46: speed instruction device; 51: power operation/regeneration discriminating gear; 61: storage voltage limit setting device; 100: the storage voltage converting means
The specific embodiment
Below, with reference to the accompanying drawings embodiments of the present invention are described.
Embodiment 1
At first, embodiments of the present invention 1 are described.
Fig. 1 shows the summary of formation of the elevator of embodiments of the present invention 1.
In elevator shown in Figure 1, as drive system, possess: as user's power supply 1 of external ac power source, the AC voltage conversion of this user's power supply 1 is become the convertor device 2 of vdc, make promptly the pulse smooth condenser 3 of smoothing of the ripple of vdc, this dc voltage conversion is become the DC-to-AC converter 4 of the alternating-current voltage/AC voltage of voltage variable changeable frequency, and accept the electrical motor 5 that carries out work from the electric power of this DC-to-AC converter 4.In addition, between user's power supply 1 and convertor device 2, possesses current probe 6.
User's power supply 1 is a three phase mains.By the alternating-current voltage/AC voltage that this three phase mains produced, carry out biphase rectification with convertor device 2, absorb the amount of ripple and be smoothed to direct current with smooth condenser 3.Direct current after should be level and smooth is for toward DC-to-AC converter 4, is transformed into behind the alternating-current voltage/AC voltage of preset frequency as driving electric by for toward electrical motor 5.
Just supplying with by means of such a electric power can rotary driving motor 5, follows in this, and pulley 7 rotates, and by being wound on the rope on this pulley 7, car 8 and balance weight 9 bucket type ground in elevating road carries out lifting work.
In addition, this elevator also possesses current sensing means 11, as the current control device 12 of current control mechanism, as the vdc command device 13 of voltage instruction mechanism, as the voltage-operated device 14 and the dc voltage detecting device 15 of voltage control mechanism.
Current sensing means 11 detects current value and this sense of current of the interchange input side of convertor devices 2 by current probe 6.The so-called sense of current that here will illustrate, exactly as from user's power supply 1 to the power service direction of the direction of convertor device 2 circulation with as either party direction the direction of regeneration of the direction that flows to user's power supply 1 from convertor device 2.
Voltage-operated device 14, ask with dc voltage detecting device 15 detected voltages with from the deviation of the command value of vdc command device 13, output shows the command value of electric current of interchange input side of such convertor device 2 of eliminating this deviation and the signal of this sense of current.
Current control device 12 is asked with current sensing means 11 detected current values with from the deviation of the command value of voltage-operated device 14, makes that eliminating this deviation carries out the control of the electric current of convertor device 2 like that.
In addition, between the dc bus as the electric power supply line, the charge-discharge circuit 24 of the circuit series of on-off element 22b is used in the charging that is provided as the self-extinction of arc element with on-off element 22a and discharge.Specifically, charging is connected to hot side between dc bus with the end of on-off element 22a, discharge is connected to the other end of the usefulness on-off element 22a that charges with the end of on-off element 22b.Discharge then is connected to low potential side between dc bus with the other end of on-off element 22b.
An end that connects the direct current reactor 23 that makes the direct current power smoothing at the shared connecting portion of on-off element 22a, 22b.Between the low potential side of the other end of direct current reactor 23 and dc bus, electrical storage device 21 is set.
In addition, this elevator also possesses storage voltage control setup 25 and the power cut detection device 26 that plays a part the storage voltage control mechanism.Power cut detection device 26 detects the power failure of user's power supply 1, shows the signal that has detected this power failure to 25 outputs of storage voltage control setup.
Storage voltage control setup 25 under situation about having imported from the signal of power cut detection device 26, adopts to make discharge become way for ON (conducting) state with on-off element 22b, makes the electric power discharge that is charged in the electrical storage device 21 and supplies toward between dc bus.
In addition, storage voltage control setup 25, under the situation when non-the power failure, also play a part to control discharging and recharging according to this differentiations result to electrical storage device 21 based on by current sensing means 11 detected senses of current, when differentiating electrical motor 5 and being in the power operation actually or the mechanism for identifying when being in the regeneration operation.
Secondly, the work to storage voltage control setup 25 describes.Fig. 2 shows the classification of work of the elevator of embodiments of the present invention 1 with the form of table.
As shown in Figure 2, storage voltage control setup 25, be from the direction of user's power supply 1 by current sensing means 11 detected senses of current to convertor device 2, promptly be under the situation of power service direction, when just differentiation moves for being in power, employing makes discharge become way for the ON state with on-off element 22b, makes the electric power discharge that is charged in the electrical storage device 21 and confession toward between dc bus.
On the other hand, storage voltage control setup 25, be from the direction of convertor device 2 by current sensing means 11 detected senses of current to user's power supply 1, promptly be under the situation of direction of regeneration operation, when just differentiation moves for being in regeneration, employing makes charging become way for the ON state with on-off element 22a, and regenerated electric power is charged in the electrical storage device 21.
As mentioned above, in the elevator of embodiments of the present invention 1, storage voltage control setup 25, not only when having a power failure, make the electric power discharge that is charged in the electrical storage device 21, also based on the electric current between user's power supply 1 and the convertor device 2, differentiate when being in the power operation actually or be in and regenerate when moving, and according to this differentiation result control discharging and recharging electrical storage device 21.Therefore, the electric power in the time of not only can having a power failure is supplied with, even if under the situation when non-the power failure, also can use the electric power that is charged in the electrical storage device 21 effectively.
Embodiment 2
Secondly, embodiments of the present invention 2 are described.In addition, among the formation of the elevator of present embodiment,, omit explanation for those parts identical with part shown in Figure 1.
Fig. 3 shows the summary of formation of the elevator of embodiments of the present invention 2.
The storage voltage control setup 25 of the elevator of embodiments of the present invention 2, different with embodiment 1, under the situation when non-the power failure, based on sense of current from voltage-operated device 14 instruction of sending, differentiate when being in the power operation actually or be in and regenerate when moving, and according to this differentiation result control discharging and recharging electrical storage device 21.
Secondly, the work to storage voltage control setup 25 describes.Fig. 4 shows the classification of work of the elevator of embodiments of the present invention 2 with the form of table.
As shown in Figure 4, storage voltage control setup 25, the direction from the current-order of voltage-operated device 14 be from user's power supply 1 under the situation of the direction of convertor device 2, when just differentiation moves for being in power, employing makes discharge become way for the ON state with on-off element 22b, makes the electric power discharge that is charged in the electrical storage device 21 and confession toward between dc bus.
On the other hand, storage voltage control setup 25, the direction from the current-order of voltage-operated device 14 be from convertor device 2 under the situation of the direction of user's power supply 1, when just differentiation moves for being in regeneration, employing makes charging become way for the ON state with on-off element 22a, and regenerated electric power is charged in the electrical storage device 21.
As mentioned above, in the elevator of embodiments of the present invention 2, storage voltage control setup 25, not only when having a power failure, make the electric power discharge that is charged in the electrical storage device 21, also based on direction from the current-order of voltage-operated device 14, differentiate when being in the power operation actually or be in and regenerate when moving, and according to this differentiation result control discharging and recharging electrical storage device 21.Therefore, same with embodiment 1, not only can when having a power failure, carry out electric power and supply with, even if under the situation when non-the power failure, also can use the electric power that is charged in the electrical storage device 21 effectively.
Secondly, embodiments of the present invention 3 are described.In addition, among the formation of the elevator of present embodiment,, omit explanation for those parts identical with part shown in Figure 1.
Fig. 5 shows the summary of formation of the elevator of embodiments of the present invention 3.
As shown in Figure 5, the elevator of embodiments of the present invention 3, different with embodiment 1, between DC-to-AC converter 4 and electrical motor 5, electric electromechanics current sensor 41 is set.
In addition, the elevator of present embodiment possesses the motor current control device 42 as the electric electromechanics flow control mechanism, motor current detection device 43, speed detector 44 is as the speed control unit 45 of speed control mechanism with as the speed instruction device 46 of speed command mechanism.
Motor current detection device 43 is by electric electromechanics current sensor 41 detections current value and this sense of current between DC-to-AC converter 4 and electrical motor 5.The sense of current that so-called DC-to-AC converter 4 and electrical motor are 5, be exactly as from DC-to-AC converter 4 to the power service direction of the direction of electrical motor 5 with as from electrical motor 5 either party to the direction of regeneration of the direction of DC-to-AC converter 4.
In addition, motor current control device 42, according to by motor current detection device 43 detected current values with from the current instruction value of speed control unit 45, with current instruction value correspondingly, the electric current between DC-to-AC converter 4 and the electrical motor 5 is controlled.
The storage voltage control setup 25 of the elevator of embodiments of the present invention 3, different with embodiment 1, under the situation when non-the power failure, based on by motor current detection device 43 detected senses of current, differentiate when being in the power operation actually or be in and regenerate when moving, and according to this differentiation result control discharging and recharging electrical storage device 21.
Secondly, the work to storage voltage control setup 25 describes.Fig. 6 shows the classification of work of the elevator of embodiments of the present invention 3 with the form of table.
As shown in Figure 6, storage voltage control setup 25, by motor current detection device 43 detected senses of current be from DC-to-AC converter 4 under the situation of the direction of electrical motor 5, promptly, be under the situation of direction of power operation, just differentiate when being in the power operation, adopt to make discharge become way, the electric power that are charged in the electrical storage device 21 are discharged and supply toward between dc bus for the ON state with on-off element 22b.
On the other hand, storage voltage control setup 25, be from the direction of electrical motor 5 by motor current detection device 43 detected senses of current to DC-to-AC converter 4, promptly be under the situation of direction of regeneration, when just differentiation moves for being in regeneration, employing makes charging become way for the ON state with on-off element 22a, and regenerated electric power is charged to electrical storage device 21.
As mentioned above, in the elevator of embodiments of the present invention 3, storage voltage control setup 25, not only when having a power failure, make the electric power discharge that is charged in the electrical storage device 21, also based on the sense of current between DC-to-AC converter 4 and the electrical motor 5, differentiate when being in the power operation actually or be in and regenerate when moving, and according to this differentiation result control discharging and recharging electrical storage device 21.Therefore, not only can be same with embodiment 1, the electric power when having a power failure is supplied with, even if under the situation when non-the power failure, also can use the electric power that is charged in the electrical storage device 21 effectively.
Embodiment 4
Secondly, embodiments of the present invention 4 are described.In addition, among the formation of the elevator of present embodiment,, omit explanation for those parts identical with part shown in Figure 5.
Fig. 7 shows the summary of formation of the elevator of embodiments of the present invention 4.
As shown in Figure 7, the elevator of embodiments of the present invention 4, storage voltage control setup 25 is different with embodiment 3, under the situation when non-the power failure, based on from the direction shown in the current-order of speed control unit 45, differentiate when being in the power operation actually or be in and regenerate when moving, and differentiate the result according to this, control discharging and recharging electrical storage device 21.
Secondly, the work to storage voltage control setup 25 describes.Fig. 8 shows the classification of work of the elevator of embodiments of the present invention 4 with the form of table.
As shown in Figure 8, storage voltage control setup 25, be the direction of DC-to-AC converter 4 from the direction shown in the current-order of speed control unit 45 to electrical motor 5, promptly be under the situation of power service direction, when just differentiation moves for being in power, employing makes discharge become way for the ON state with on-off element 22b, makes the electric power discharge that is charged in the electrical storage device 21 and confession toward between dc bus.
On the other hand, storage voltage control setup 25, in the direction from the current-order of voltage-operated device 14 is from the direction of electrical motor 5 to DC-to-AC converter 4, promptly be under the situation of direction of regeneration, when just differentiation moves for being in regeneration, employing makes charging become way for the ON state with on-off element 22a, and regenerated electric power is charged to electrical storage device 21.
As mentioned above, in the elevator of embodiments of the present invention 4, storage voltage control setup 25, not only when having a power failure, make the electric power discharge that is charged in the electrical storage device 21, also based on from the shown direction of the current-order of speed control unit 45, differentiate when being in the power operation actually or be in and regenerate when moving, and according to this differentiation result control discharging and recharging electrical storage device 21.Therefore, the electric power in the time of not only can having a power failure is supplied with, even if under the situation when non-the power failure, also can use the electric power that is charged in the electrical storage device 21 effectively.
Secondly, embodiments of the present invention 5 are described.In addition, among the formation of the elevator of present embodiment,, omit explanation for those parts identical with part shown in Figure 5.
Fig. 9 shows the summary of formation of the elevator of embodiments of the present invention 5.
As shown in Figure 9, the elevator of embodiments of the present invention 5 also possesses power operation/regeneration discriminating gear 51.Power operation/regeneration discriminating gear 51, under the situation when non-the power failure, based on by current sensing means 11 detected senses of current, by motor current detection device 43 detected senses of current, differentiate when being in the power operation actually or be in and regenerate when moving, and show this differentiation result's signal to 25 outputs of storage voltage control setup.
In addition, storage voltage control setup 25, different with embodiment 3, under the situation when non-the power failure, according to control signal control the discharging and recharging of coming ultromotivity operation/regeneration discriminating gear 51 to electrical storage device 21.
Secondly, the work to storage voltage control setup 25 describes.Figure 10 shows the classification of work of the elevator of embodiments of the present invention 5 with the form of table.
As shown in figure 10, power operation/regeneration discriminating gear 51, be from the direction of user's power supply 1 by current sensing means 11 detected senses of current to convertor device 2, and by motor current detection device 43 detected senses of current be from DC-to-AC converter 4 under the situation of the direction of electrical motor 5, just be judged to be when being in the power operation, in this case, storage voltage control setup 25, employing makes discharge become way for the state of ON with on-off element 22b, makes the electric power discharge that is charged in the electrical storage device 21 and confession toward between dc bus.
On the other hand, power operation/regeneration discriminating gear 51, by current sensing means 11 detected senses of current, be from the direction of convertor device 2 to user's power supply 1, and, by motor current detection device 43 detected senses of current be from electrical motor 5 under the situation of the direction of DC-to-AC converter 4, just differentiate for being that regeneration is when moving.In this case, storage voltage control setup 25 just adopts and makes charging become way for the ON state with on-off element 22a, to electrical storage device 21 regenerated electric powers that charge.
As mentioned above, in the elevator of embodiments of the present invention 5, storage voltage control setup 25, not only when having a power failure, make the electric power discharge that is charged in the electrical storage device 21, also be in power when operation actually or be in regeneration differentiation result when moving, control discharging and recharging electrical storage device 21 according to what undertaken by power operation/regeneration discriminating gear 51.Therefore, the electric power in the time of not only can having a power failure is supplied with, even if under the situation when non-the power failure, also can use the electric power that is charged in the electrical storage device 21 effectively.
Secondly, embodiments of the present invention 6 are described.In addition, among the formation of the elevator of present embodiment,, omit explanation for those parts identical with part shown in Figure 1.
Figure 11 shows the summary of formation of the elevator of embodiments of the present invention 6.
As shown in figure 11, the elevator of embodiments of the present invention 6 also possesses storage voltage restraint device 61.
Storage voltage restraint device 61, setting will be accumulated the charging boundary value and the discharge limit value of the voltage of the electric power in the electrical storage device 21.This charging boundary value is the value that can prevent the breakage that produced because of overcharging of carrying out to electrical storage device 21, and the discharge limit value is will be charged to electric power in the electrical storage device 21 to become that elevator arrives at the value that floor moves necessary electric power when having a power failure.
In the present embodiment, storage voltage control setup 25 behind the signal of having imported from power cut detection device 26, adopts to make discharge become way for the ON state with on-off element 22b, makes the electric power discharge that is accumulated in the electrical storage device 21 and supplies toward between dc bus.
In addition, storage voltage control setup 25 is under the situation when non-have a power failure, just based on by current sensing means 11 detected electric currents, differentiate when being in the power operation actually or be in and regenerate when moving, and according to this differentiation result control discharging and recharging electrical storage device 21.But, storage voltage control setup 25, make the voltage that when charging control, is charged to the electric power in the electrical storage device 21 become below the above-mentioned charging boundary value, make the voltage that when discharge control, is charged to the electric power in the electrical storage device 21 become more than the above-mentioned discharge limit value.
As mentioned above, in the elevator of embodiments of the present invention 6, remove outside the feature illustrated in embodiment 1, for discharging and recharging of electrical storage device 21, also become for make be charged to the electric power electrical storage device 21 in when control charging voltage for the charging boundary value below, make that the voltage that is charged to the electric power in the electrical storage device 21 when discharge is controlled is more than the above-mentioned discharge limit value.Therefore, owing to can prevent that to overcharging that electrical storage device 21 carries out so can protect this electrical storage device 21, even if carry out the discharge from electrical storage device 21, elevator arrives at floor and moves necessary electric power in the time of also can keeping having a power failure.
In this embodiment, storage voltage control setup 25, though what illustrate is: under the situation when non-the power failure, based on by current sensing means 11 detected electric currents, differentiate when being in the power operation actually or be in and regenerate when moving, but, be not limited thereto, just as illustrated in said each embodiment on top, both can differentiate when being in power when operation actually or being in the regeneration operation based on the sense of current that is sent instructions from voltage-operated device 14, also can be based on differentiating by motor current detection device 43 detected senses of current when being in power when operation or being in the regeneration operation actually, can also differentiate when being in the power operation or when being in the regeneration operation from the indicated direction of the current-order of speed control unit 45 based on using actually.
In addition, it is constant that the present invention is not limited to above-mentioned embodiment former state, the implementation phase in can in the scope that does not depart from its main idea, adopt the way of inscape distortion is specialized.In addition, also can form various inventions by means of the suitable combination of disclosed a plurality of inscapes in the above-described embodiment.For example, also can omit several inscapes in all inscapes from be shown in embodiment.Have again, also can suit the inscape that spreads all over different embodiments to combine.
Claims (4)
1. elevator is characterized in that possessing:
AC voltage conversion from external ac power source is become the convertor device of vdc;
To the smooth condenser that carries out smoothing by the pulsation of the vdc of above-mentioned convertor device institute conversion;
Dc voltage conversion after the above-mentioned smoothing is become the alternating-current voltage/AC voltage of voltage variable changeable frequency, with the DC-to-AC converter of its output;
Drive with alternating-current voltage/AC voltage, make the electrical motor of car lifting from above-mentioned DC-to-AC converter output;
Accumulate the electrical storage device of electric power;
Detect the current sensing means of sense of current of the interchange input side of above-mentioned convertor device;
Based on by the detected sense of current of above-mentioned current sensing means, when differentiating above-mentioned electrical motor and being in the power operation or the mechanism for identifying when being in the regeneration operation;
Detect the power cut detection device of the power failure of said external source of AC; And
When above-mentioned mechanism for identifying differentiation is in the power operation for above-mentioned electrical motor, when above-mentioned power cut detection device has detected power failure, supply with the electric power that is accumulated in the above-mentioned electrical storage device to above-mentioned DC-to-AC converter, when above-mentioned mechanism for identifying differentiation is in the regeneration operation for above-mentioned electrical motor, to the storage voltage control mechanism of above-mentioned electrical storage device charging regenerated electric power.
2. elevator is characterized in that possessing:
AC voltage conversion from external ac power source is become the convertor device of vdc;
To the smooth condenser that carries out smoothing by the pulsation of the vdc of above-mentioned convertor device institute conversion;
Dc voltage conversion after the above-mentioned smoothing is become the alternating-current voltage/AC voltage of voltage variable changeable frequency, with the DC-to-AC converter of its output;
Drive with alternating-current voltage/AC voltage, make the electrical motor of car lifting from above-mentioned DC-to-AC converter output;
Accumulate the electrical storage device of electric power;
Detect the current sensing means of current value of the interchange input side of above-mentioned convertor device;
Detect the dc voltage detecting device of the terminal voltage of above-mentioned smooth condenser;
Set the voltage instruction mechanism of the command value of above-mentioned terminal voltage;
According to the deviation of the command value that sets by the detected terminal voltage of above-mentioned dc voltage detecting device with by above-mentioned voltage instruction mechanism, set the command value of electric current of interchange input side of above-mentioned convertor device and the voltage control mechanism of this sense of current;
According to the deviation of the command value that sets by the detected current value of above-mentioned current sensing means with by above-mentioned voltage control mechanism, control the current control mechanism of electric current of the interchange input side of above-mentioned convertor device;
Based on the sense of current that sets by above-mentioned voltage control mechanism, when differentiating above-mentioned electrical motor and being in the power operation or the mechanism for identifying when being in the regeneration operation;
Detect the power cut detection device of the power failure of said external source of AC; And
When above-mentioned mechanism for identifying differentiation is in the power operation for above-mentioned electrical motor, when above-mentioned power cut detection device has detected power failure, supply with the electric power that is accumulated in the above-mentioned electrical storage device to above-mentioned DC-to-AC converter, when above-mentioned mechanism for identifying differentiation is in the regeneration operation for above-mentioned electrical motor, to the storage voltage control mechanism of above-mentioned electrical storage device charging regenerated electric power.
3. elevator is characterized in that possessing:
AC voltage conversion from external ac power source is become the convertor device of vdc;
To the smooth condenser that carries out smoothing by the pulsation of the vdc of above-mentioned convertor device institute conversion;
Dc voltage conversion after the above-mentioned smoothing is become the alternating-current voltage/AC voltage of voltage variable changeable frequency, with the DC-to-AC converter of its output;
Drive with alternating-current voltage/AC voltage, make the electrical motor of car lifting from above-mentioned DC-to-AC converter output;
Accumulate the electrical storage device of electric power;
Detect the 1st current sensing means of sense of current of the interchange input side of above-mentioned convertor device;
Detect the 2nd current sensing means of the sense of current between above-mentioned DC-to-AC converter and the electrical motor;
Based on by the above-mentioned the 1st and the 2nd detected sense of current of current sensing means, when differentiating above-mentioned electrical motor and being in the power operation or the mechanism for identifying when being in the regeneration operation;
Detect the power cut detection device of the power failure of said external source of AC; And
When above-mentioned mechanism for identifying differentiation is in the power operation for above-mentioned electrical motor, when above-mentioned power cut detection device has detected power failure, supply with the electric power that is accumulated in the above-mentioned electrical storage device to above-mentioned DC-to-AC converter, when above-mentioned mechanism for identifying differentiation is in the regeneration operation for above-mentioned electrical motor, to the storage voltage control mechanism of above-mentioned electrical storage device charging regenerated electric power.
4. according to any one the described elevator in the claim 1~3, it is characterized in that:
Above-mentioned storage voltage control mechanism, when above-mentioned mechanism for identifying differentiation is in the power operation for above-mentioned electrical motor, when above-mentioned power cut detection device has detected power failure, so that the magnitude of voltage of electric power is the above mode of predetermined discharge limit value, this electric power that is accumulated in the above-mentioned electrical storage device is supplied with to above-mentioned DC-to-AC converter, when above-mentioned mechanism for identifying differentiation is in the regeneration operation for above-mentioned electrical motor, so that the above-mentioned magnitude of voltage of accumulating is the following mode of predetermined charging boundary value, regenerated electric power is charged to above-mentioned electrical storage device.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP233188/2007 | 2007-09-07 | ||
JP2007233188A JP5240685B2 (en) | 2007-09-07 | 2007-09-07 | elevator |
Publications (2)
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CN101381046A CN101381046A (en) | 2009-03-11 |
CN101381046B true CN101381046B (en) | 2011-07-06 |
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CN200810212775XA Expired - Fee Related CN101381046B (en) | 2007-09-07 | 2008-09-08 | Elevator |
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JP (1) | JP5240685B2 (en) |
CN (1) | CN101381046B (en) |
Families Citing this family (14)
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JP2011063428A (en) * | 2009-09-18 | 2011-03-31 | Toshiba Elevator Co Ltd | Rescue operation system for elevator |
JP5457332B2 (en) * | 2010-12-03 | 2014-04-02 | 三菱重工パーキング株式会社 | Power supply device, mechanical parking device, and control method for power supply device |
CN102040133B (en) * | 2010-12-30 | 2012-12-12 | 泓芯泰业科技(北京)有限公司 | Elevator power supply device |
CN102642788A (en) * | 2012-05-10 | 2012-08-22 | 厦门汉京自动化科技有限公司 | Mute switch-off method and mute switch-off device with power outage emergency switch-off function |
JP5812199B2 (en) * | 2012-07-11 | 2015-11-11 | 三菱電機株式会社 | Elevator equipment |
JP5559261B2 (en) * | 2012-07-17 | 2014-07-23 | ファナック株式会社 | Motor drive device having power storage device |
JP2014118232A (en) * | 2012-12-13 | 2014-06-30 | Hitachi Ltd | Elevator control system, and method of the same |
JP2014139098A (en) * | 2013-01-21 | 2014-07-31 | Hitachi Ltd | Elevator control system and method |
JP2015124074A (en) * | 2013-12-27 | 2015-07-06 | 東芝エレベータ株式会社 | Elevator |
JP5882429B1 (en) * | 2014-09-12 | 2016-03-09 | 東芝エレベータ株式会社 | Power supply |
JP6327563B2 (en) * | 2014-10-29 | 2018-05-23 | パナソニックIpマネジメント株式会社 | Power converter and power conditioner using the same |
KR101642235B1 (en) * | 2015-11-12 | 2016-07-25 | 리얼테크(주) | A Management Apparatus for Regenerated Energy |
DE112017007625B4 (en) * | 2017-06-09 | 2022-09-01 | Mitsubishi Electric Corporation | passenger conveyor |
CN114873415B (en) * | 2022-06-07 | 2023-06-02 | 日立楼宇技术(广州)有限公司 | New energy elevator electric multi-drive system and new energy elevator |
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CN1311152A (en) * | 2000-02-28 | 2001-09-05 | 三菱电机株式会社 | Elevator control device |
CN1666946A (en) * | 2004-03-08 | 2005-09-14 | 三菱电机株式会社 | Elevator control device |
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JPS61199483A (en) * | 1985-02-27 | 1986-09-03 | Hitachi Ltd | Controller of ac elevator |
JPS61199481A (en) * | 1985-03-01 | 1986-09-03 | Sanken Electric Co Ltd | Inverter |
JPS62211277A (en) * | 1986-03-11 | 1987-09-17 | 三菱電機株式会社 | Speed controller for elevator |
JPH08208140A (en) * | 1995-02-02 | 1996-08-13 | Hitachi Ltd | Controller for elevator |
JP2002171695A (en) * | 2000-12-06 | 2002-06-14 | Meidensha Corp | Motor drive system |
JP4098182B2 (en) * | 2003-08-07 | 2008-06-11 | 株式会社日立製作所 | Motor drive system and elevator drive system |
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JP5190178B2 (en) * | 2006-02-16 | 2013-04-24 | 東芝エレベータ株式会社 | Elevator control device |
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CN1311150A (en) * | 2000-02-28 | 2001-09-05 | 三菱电机株式会社 | Elevator control device |
CN1311152A (en) * | 2000-02-28 | 2001-09-05 | 三菱电机株式会社 | Elevator control device |
CN1666946A (en) * | 2004-03-08 | 2005-09-14 | 三菱电机株式会社 | Elevator control device |
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CN101381046A (en) | 2009-03-11 |
JP5240685B2 (en) | 2013-07-17 |
JP2009062178A (en) | 2009-03-26 |
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