CN102431858A - Elevator system - Google Patents
Elevator system Download PDFInfo
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- CN102431858A CN102431858A CN2011102583627A CN201110258362A CN102431858A CN 102431858 A CN102431858 A CN 102431858A CN 2011102583627 A CN2011102583627 A CN 2011102583627A CN 201110258362 A CN201110258362 A CN 201110258362A CN 102431858 A CN102431858 A CN 102431858A
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- electromagnetic contactor
- lift car
- energy savings
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Abstract
The invention provides an elevator system, wherein the elevator performs the electric power cutting-down manner during peak hours and an energy storage unit is filled with sufficient energy required by the discharging operation during peak hours all the time. In the prior art, when the standby state continues for a certain time, a power supply is cut off. However, due to the adoption of the elevator performing the electric power cutting-down manner during peak hours, if the energy storage unit is insufficient in charging amount, the power supply still needs to provide power even after the standby state continues for a certain time. The elevator system is provided with an electromagnetic contactor between a commercial power supply and an inverter. When the elevator is in a standby state after a predetermined time and the charging amount of the energy storage unit exceeds a certain target value, the open circuit of the electromagnetic contactor is performed.
Description
Technical field
The present invention relates to a kind of elevator device, especially relate to a kind of use storage battery homenergic savings device, thereby discharge the elevator device of cutting down the peak value electric power of power supply with the cooresponding energy of peak value electric power from energy savings device.
Background technology
The characteristics of elevator be the use of elevator concentrate on during work hours, the lunch usually and certain section such as quitting time during, and At All Other Times, the person of utilization is less, readiness for action is longer.Therefore, through reduce the stand-by electric that elevator consumes under readiness for action, can make elevator further realize energy-conservationization effectively.
Method as reducing stand-by electric has proposed following proposal.In patent documentation 1, at elevator lobby the switch that readiness for action is used is set, when the end user of elevator operates this switch; Cut-out is to the source of AC of elevator supply; And when next user removes this switch, remove the dissengaged positions of source of AC, improve energy-saving effect thus.In addition; In the scheme that patent documentation 2, patent documentation 3 and patent documentation 4 propose; When elevator within a certain period of time when not having call login to be in halted state always; The control circuit of elevator cuts off the source of AC to elevator supply, when emerging user has logined calling, removes the cut-out of source of AC.
[patent documentation 1] Japan's open patent is put down the 5-286654 communique
[patent documentation 2] open patent 2001-2335 of Japan communique
[patent documentation 3] open patent 2005-162441 of Japan communique
[patent documentation 4] open patent 2007-55761 of Japan communique
But, cut down peak value electric power in order to utilize energy savings device, must, elevator will be charged in the energy savings device before beginning to move with the cooresponding energy of peak value electric power.
Here; In the time of in such scheme being applied in the elevator device that needs reduction power supply peak value electric power, in the elevator of patent documentation 1 record, after the user leaves lift car; After must waiting until that energy savings device has charged into sufficient energy, just can push the switch that cuts off source of AC.In the elevator of patent documentation 2 to patent documentation 4 record, when cutting off source of AC, may save insufficient causing of the charging of device because of energy and can't cut down peak value electric power when the starting elevator next time in the moment that gets into readiness for action.
Summary of the invention
The object of the present invention is to provide a kind of elevator device, this elevator device not only can guarantee in energy savings device, can implement the charge volume of the peak value electric power reduction of power supply, but also can obtain energy-saving effect.
It is clearer and more definite that other problems beyond the above-mentioned problem of the present invention will become in the explanation of the application's whole specification sheetss and accompanying drawing.
Elevator device involved in the present invention is characterised in that; Between source power supply and changer, possesses first electromagnetic contactor; After elevator gets into readiness for action institute's elapsed time more than first specified time and the charge volume of energy savings device when the expected value of regulation is above, make this first electromagnetic contactor open circuit.
Basic imagination of the present invention is, gets into readiness for action and passed through under the situation of first specified time at lift car, if the charge volume of energy savings device also is not enough to cut down the peak value electric power of power supply, then continues to charge from power supply.
The characteristic of elevator device involved in the present invention also is; Get into readiness for action and passed through under the situation of second specified time longer at lift car than first specified time; No matter the charge volume of energy savings device is what, and said first electromagnetic contactor is opened a way.
In addition; The characteristic of elevator device involved in the present invention also is; The second new electromagnetic contactor of device-specific in the lift cars such as illumination, air-conditioning and button is set; Identical with the situation of first electromagnetic contactor, get into readiness for action and passed through under the situation of first specified time at lift car, make second electromagnetic contactor open circuit.
The characteristic of elevator device involved in the present invention also is; When in energy savings device, having charged into the energy more than the expected value; Before closing first electromagnetic contactor, make charge and discharge device work, utilize the energy that fills in the energy savings device that smooth condenser is charged.
Above-mentioned various structure is an example only, and the present invention can carry out suitable change in the scope that does not break away from its technological thought.In addition, the structure beyond the said structure of the present invention can become clearer and more definite through the integral body record and the accompanying drawing of present specification.
(invention effect)
Elapsed time after lift car gets into readiness for action more than first specified time and the charge volume of energy savings device when the expected value of regulation is above; Make first electromagnetic contactor open circuit; Not only can save at energy thus and charge into the required energy of peak value electric power of cutting down power supply in the device, but also can prevent under not having user's situation meaningless ground of equipment consumes electric power in the lift car.
Elapsed time after lift car gets into readiness for action is when second specified time longer than first specified time is above; No matter how many charge volumes of energy savings device is; All make first electromagnetic contactor open circuit, can prevent thus to wait the cut always situation generation of source of AC when becoming because of aging less than expected value in the amount of the savable energy of energy savings device.
In addition; Through setting up second electromagnetic contactor of device-specific in the lift car, and identical with the situation of first electromagnetic contactor, get into readiness for action at lift car and passed through later under the situation of first specified time; Make second electromagnetic contactor open circuit; Thus, cut off the power supply of equipment in lift car before can reaching the expected value of regulation at the charge volume that energy is saved device, so can access the effect of saving the energy.
Energy in charging into energy savings device has reached expected value when above; Before closing first electromagnetic contactor, make charge and discharge device work; And use the energy that fills in this energy savings device that smooth condenser is charged; Can make energy savings device have vacant charge volume thus, carry out electrically-charged possibility through improving the regenerated electric power that utilizes the regeneration operation to produce, thereby can access the effect of saving the energy.
Other effect of the present invention will become clearer and more definite through the explanation in the specification sheets.
Description of drawings
Fig. 1 is the constructional drawing of the elevator device of the first embodiment of the present invention.
Fig. 2 is the control flow chart of operation control part shown in Figure 1.
Fig. 3 is the control flow chart of time length measurement section shown in Figure 1.
Fig. 4 is the control flow chart that electromagnetic contactor shown in Figure 1 opens and closes judging part.
Fig. 5 is the constructional drawing of the elevator device of the second embodiment of the present invention.
Fig. 6 is the constructional drawing of the elevator device of the third embodiment of the present invention.
Fig. 7 is the constructional drawing of the elevator device of the fourth embodiment of the present invention.
Fig. 8 is that energy shown in Figure 7 is saved the control flow chart of apparatus control portion.
Fig. 9 is the control flow chart that electromagnetic contactor shown in Figure 7 opens and closes judging part 125.
Nomenclature: 1-source of AC; 2-changer (diode rectifier); The 3-smooth condenser; 4,22-inverter; The 5-alternating-current motor/AC motor; The 6-rope sheave; The 7-hoist cable; The 8-lift car; The 9-counterbalanced weight; 10-charge and discharge device (DC/DC changer and voltage raising and reducing chopper); 11-energy savings device (storage battery etc.); 12,12 '-control setup; 13,14-electromagnetic contactor; 15-destination display panel; The 16-air-conditioning; The 17-illumination; 18-destination floor login button; The 19-load cell; 21-energy savings quantity sensor; The 23-voltage sensor; 121-moves control part; 122-readiness for action time length measurement section; 123, the 125-electromagnetic contactor opens and closes judging part; 124-energy savings apparatus control portion; 201, the 202-elevator lobby goes to the direction login button.
The specific embodiment
With reference to accompanying drawing embodiments of the invention are described.In each accompanying drawing and each embodiment, identical or similar component part adopts identical symbol, and omits the explanation of its repetition.
(first embodiment)
Fig. 1 representes the constructional drawing of the elevator device of the first embodiment of the present invention.The elevator device of Fig. 1 is to utilize regenerated electric power and power that energy savings device is charged and during power operation (power operation), implement " the peak value electric power reduction type elevator device " of reduction of the peak value electric power of power supply.Through cutting down peak value electric power, can reduce the electricity charge of paying Utilities Electric Co., on the other hand,, can reduce the amount of power of using in the elevator drive from power supply through regenerated electric power is recycled, thus can energy savings.
At first, the basic structure to the elevator drive portion in the elevator device of the present invention describes.The three-phase ac power that from source power supply is source of AC 1 is transformed to direct current power through the changer 2 that for example is made up of diode rectifier etc.The direct current power that in this changer 2, has carried out conversion through 3 pairs of smooth condensers carries out smoothly, and this direct current power is transformed to the three-phase ac power of variable ratio frequency changer, transformation through inverters 4 such as for example PWM (Pulse Width Modulation) inverters.This inverter 4 carries out variable speed drive thus to the three-phase ac power of alternating-current motor/AC motor 5 supply variable ratio frequency changers, transformation.
The drive system of lift appliance is made up of rope sheave 6, hoist cable 7, lift car 8 and counterbalanced weight 9, through alternating-current motor/AC motor 5, can make the lift car 8 and counterbalanced weight 9 lifting moving at hoist cable 7 two ends.
Be connected with electromagnetic contactor (first electromagnetic contactor) 13 between said source of AC 1 and the changer 2, cut off input electric power from source of AC 1 according to switching instruction CONcmd1 from control setup 12.On the node that equipment in the lift car in the lift car 8 (for example destination display panel 15, air-conditioning 16, illumination 17 and destination floor login button 18 etc.) is connected between electromagnetic contactor 13 and the changer 2 via electromagnetic contactor (second electromagnetic contactor) 14.Electromagnetic contactor 14 is the same with electromagnetic contactor 13, cuts off the input electric power from source of AC 1 according to the switching instruction CONcmd2 from control setup 12.
For example, storage battery homenergic savings device 11 is connected with smooth condenser 3 via charge and discharge device (DC/DC changer with voltage raising and reducing chopper etc.) 10, controls these charge and discharge devices 10 by control setup 12.Charge and discharge device 10 (below; With the DC/DC changer is that example describes) according to the control command of control setup 12; Utilize direct current power that energy savings device 11 is charged; Perhaps make the electric power that fills in the energy savings device 11 be sidelong electricity, between smooth condenser 3 and energy savings device 11, carry out the exchange of electric power to direct current circuit (smooth condenser 3).Control setup 12 also has the function that the control that comprises the total system in being controlled at of inverter 4 is totally controlled except charge and discharge device 10 controls to above-mentioned electromagnetic contactor 13,14 and control.In Fig. 1, omitted the detailed structure of the part that inverter 4 and charge and discharge device 10 and total system are controlled in the control setup 12.
Below, the keystone configuration of energy savings system is carried out supplemental instruction.Charge and discharge device 10 is made up of binistors such as IGBT (Insulated Gate Bipolar Transistor) and transistors, and what the on-off action through charge and discharge device 10 can two-way control direct current power flows.As energy savings device 11, can use secondary batterys such as lead battery, encapsulation lead battery, Ni-MH battery, lithium ion battery and NaS battery, perhaps can use large value capacitors such as double layer capacitor and lithium-ion capacitor etc.Control setup 12 is to the binistor sending controling instruction (instruction of the control utmost point) of charge and discharge device 10, thereby control electric power is mobile.Its result can control charging power and discharged power that energy is saved device 11.
Below, the concrete processing of control setup 12 is elaborated.In control setup 12; At first; By operation control part 121 according to the load data of load cells 19 inputs in lift car 8, in the lift car 8 18 inputs of destination floor login buttons calling and call out from the elevator lobby that goes to 201,202 inputs of direction login button of elevator lobby, generate the information CG_end whether the expression elevator is in readiness for action.
Fig. 2 representes the control flow chart of operation control part 121 shown in Figure 1.When control beginning (S001), the incoming signal according to destination floor login button 18 inputs in lift car 8 judges whether to exist lift car to call out (S002).When existing lift car to call out, be judged as and be in running state, thus output CG_end=OFF (S006), and end process (S007).When in S002, being judged as when not existing lift car to call out, according to the incoming signal of load cells 19 inputs in lift car 8, whether the value of judging load cell is below specified value (S003).At this moment, whether the value of obstructed overload sensor 19 is zero to judge and have or not the passenger, and this is that to have caused in the value that does not have load cell 19 under passenger's the state for the value of tackling load cell 19 has occurred wrong also might not be zero situation.Load on specified value when following when in S003, being judged as, be judged as elevator and be in running state, thus output CG_end=OFF (S006), and end process (S007).When the value that in S003, is judged as load cell 19 when specified value is following, the incoming signal that goes to direction login button 201,202 input according to from elevator lobby judges whether to have taken place elevator lobby calling (S004).When existing elevator lobby to call out, be judged as elevator and be in running state, thus output CG_end=OFF (S006), and end process (S007).When not existing elevator lobby to call out, be judged as elevator and be in readiness for action, thus output CG_end=ON (S005), and end process (S007).
It more than is the explanation of operation control part 121.Below, turn back to Fig. 1 and proceed explanation.
The information CG_end that in readiness for action time length measurement section 122, is used to judge whether to be in readiness for action measures the time length to of readiness for action.
Fig. 3 representes the control flow chart of readiness for action time length measurement section 122 shown in Figure 1.When control beginning (S101), judge according to CG_end whether lift car is in readiness for action (S102).When CG_end=OFF, stop the measurement (S106) of time length to, and make time length to make zero after (S107) end process (S108).When in S102, being judged as CG_end=ON, judge whether time length to be measured (S103).Being judged as not when measurement time length to is measured, begin to measure (S105), and end process (S108).When in step S103, being judged as when measuring, make to measure and proceed (S104), and end process (S108).
Return Fig. 1 and proceed explanation.Electromagnetic contactor opens and closes judging part 123 and uses the time length to of readiness for action and save the charge volume V that quantity sensor 21 detected energy are saved devices 11 by energy
B, generate the switching instruction CONcmd1, the CONcmd2 that send to electromagnetic contactor 13,14.In addition, when using secondary batterys, use current sensor as energy savings quantity sensor 21 as energy savings device 11 is actual, and with the integrated value of the value of current sensor as charge volume V
B, and when using large value capacitor as energy savings device 11 reality, the working voltage sensor is saved quantity sensor 21 as energy, and calculate charge volume V according to the magnitude of voltage of this voltage sensor
B
Fig. 4 is the control flow chart that electromagnetic contactor shown in Figure 1 opens and closes judging part 123.
When control beginning (S201), whether the time length to that judges readiness for action is more than abnormal time tab (S202).Be judged as time length to when abnormal time tab is above, no matter the charge volume V of energy savings device 11
BValue what are, all will open and close instruction and be set at CONcmd1=OFF, and will open and close to instruct in order to make electromagnetic contactor 14 open circuits and be set at CONcmd2=OFF (S207), and end process (S210) in order to make electromagnetic contactor 13 open circuit.As the time length to that in S202, is judged as readiness for action during less than abnormal time tab, whether the time length to that judges readiness for action is in lift car more than equipment top break time (S203).The time length to that is judged as readiness for action less than lift car in during equipment top break time; In order to make electromagnetic contactor 14 form close circuit; To open and close instruction and be set at CONcmd2=ON (S208); And, will open and close instruction and be set at CONcmd1=ON (S209), and end process (S210) in order to make electromagnetic contactor 13 form close circuit.When the time length to that in S203, is judged as readiness for action equipment when break time, top was above in lift car; In order to make electromagnetic contactor 14 open circuits; To open and close instruction and be set at CONcmd2=OFF (S204), after this, judge the charge volume V of energy savings device 11
BWhether at expected value V
B *More than (S205).As charge volume V
BLess than expected value V
B *The time, form close circuit in order to make electromagnetic contactor 13, will open and close instruction and be set at CONcmd1=ON (S209), and end process (S210).When in S205, being judged as charge volume V
BAt expected value V
B *When above,, will open and close instruction and be set at CONcmd1=OFF (S206) in order to make electromagnetic contactor 13 open circuits, and end process (S210).
According to present embodiment, control setup 12 constitutes to have: operation control part 121, and it is called out and load data according to elevator lobby calling, lift car, judges whether elevator is in readiness for action; Readiness for action time length measurement section 122, it measures the time length to that readiness for action continued; And electromagnetic contactor opens and closes judging part 123; When the time length to of readiness for action when a certain second specified time (abnormal time tap) is above; Make the electromagnetic contactor 13 that is connected between source of AC 1 and the changer 2 and be connected to electromagnetic contactor 14 open circuits of equipment in the lift car in the lift car 8 from the node between electromagnetic contactor 13 and the changer 2; At the time length to of readiness for action equipment when break time, top was above in lift car; Make electromagnetic contactor 14 open circuits, at the charge volume V of energy savings device 11
BAt expected value V
B *When above, make electromagnetic contactor 13 open circuits.Thus; Can save at energy and charge into the required energy of peak value electric power of cutting down power supply in the device 11, and can prevent under not having user's situation equipment (destination display panel 15, air-conditioning 16, illumination 17 and destination floor login button 18 etc.) meaningless ground consumes electric power in the lift car 8 in-to-in lift cars.In addition, can also prevent to become less than expected value V because of aging the grade in the amount of energy savings device 11 savable energy
B *The time source of AC 1 cut always situation take place.And, can save the charge volume V of device 11 at energy
BReach expected value V
B *Before, cut off the power supply of equipment in lift car, thus further energy savings.
(second embodiment)
Fig. 5 is the constructional drawing of the elevator device of the second embodiment of the present invention.Equipment in the source of AC 1 of present embodiment and the lift car, be that the point of connection of destination display panel 15, air-conditioning 16, illumination 17 and destination floor login button 18 is different from first embodiment.Below, in this embodiment, only the part that is different from first embodiment is described with reference to Fig. 5.
Equipment in the lift car (destination display panel 15, air-conditioning 16, illumination 17 and destination floor login button 18) is connected on the node between source of AC 1 and the electromagnetic contactor 13 via electromagnetic contactor 14.The difference of the present embodiment and first embodiment is that present embodiment does not pass through electromagnetic contactor 13 when power devices in lift car.In first embodiment; If make electromagnetic contactor 13 open circuits; Then no matter whether electromagnetic contactor 14 opens a way or closure; The power supply of equipment all is stopped in lift car, and in the present embodiment, can divide the enforcement of coming fully with the power supply of equipment in lift car with to the power supply of elevator drive circuit.
Because the processing of control setup 12 is identical with first embodiment, so omit explanation.
Present embodiment can obtain the effect identical with first embodiment.
(the 3rd embodiment)
Fig. 6 is the constructional drawing of the elevator device of the third embodiment of the present invention.Present embodiment in lift car equipment, be that the method for destination display panel 15, air-conditioning 16, illumination 17 and 18 power supplies of destination floor login button is different with first embodiment.So, in the present embodiment,, only the part that is different from first embodiment is described with reference to Fig. 6.
For example, the inverter 22 of PWM inverter etc. is connected with the two ends of the direct current circuit (smooth condenser 3) of elevator drive portion, is the single phase A.C. electric power of assigned frequency and assigned voltage with dc voltage conversion through this inverter 22.Inverter 22 has connected equipment in the lift car in the lift car 8 (destination display panel 15, air-conditioning 16, illumination 17 and destination floor login button 18) via electromagnetic contactor 14, is become the electric power supply source of equipment in the above-mentioned lift car by the single phase A.C. electric power of inverter 22 generations.Through adopting said structure, can also be applicable to can save the elevator device that device 11 supplies power can't be from source of AC 1 power supply the time because of taking place to have a power failure from energy.
Because the processing of control setup 12 is identical with first embodiment, so omit explanation.
Present embodiment can obtain the effect identical with first embodiment.
(the 4th embodiment)
Fig. 7 is the constructional drawing of the elevator device of the fourth embodiment of the present invention.In the present embodiment, different with first embodiment mainly is the processing in the control system 12.So, in the present embodiment,, only the part that is different from first embodiment is described with reference to Fig. 7.
At first the processing to control setup 12 ' describes.In control setup 12 '; At first call out and call out according to the load data of load cells 19 inputs in lift car 8, the lift car of destination floor login buttons 18 inputs in the lift car 8, generate the information CG_end whether the expression elevator is in readiness for action from the elevator lobby that goes to 201,202 inputs of direction login button of elevator lobby by operation control part 121.Because the processing of control part 121 is identical with first embodiment, so omit explanation.
In energy savings apparatus control portion 124, utilize whether the expression elevator is in the information CG_end of readiness for action, the operating instruction of the inverter 4 that generates by operation control part 121, the charge volume V of energy savings device 11
B, and by the vdc V at piezoelectric detector 23 detected smooth condensers 3 two ends
Dc, the switch motion instruction G of generation charge and discharge device 10
*At this, the switch motion instruction G that is generated
*Be when having contacted the readiness for action of elevator from energy savings device 11 to smooth condenser 3 powered switch action commands, and also have the switch motion instruction of the reduction that is used to implement peak value electric power in addition, omit its explanation at this.The switch motion instruction G that is being generated
*During=ON,, make charge and discharge device 10 carry out switch motion for the energy that uses energy savings device 11 charges to smooth condenser 3.
Fig. 8 representes the control flow chart of energy savings apparatus control portion 124.At first, when control beginning (S301), judge according to CG_end whether readiness for action is disengaged (S302).At this, when ON changes OFF into, be judged as readiness for action and be disengaged at CG_end.In S302, be judged as readiness for action when not being disengaged, the standby releasing marks is set at CG_cb=OFF (S307), and the switch motion instruction of charge and discharge device 10 is set at G
*=OFF (S308), and end process (S309).In S302, be judged as readiness for action when being disengaged, the standby releasing marks is set at CG_cb=ON (S303), and judge vdc V
DcWhether less than expected value (being the charging expected value, also the is the vdc command value simultaneously) V of this vdc
Dc *(S304).At this, judging ongoing according to operating instruction is power operation or regeneration operation, for example, if ongoing be the regeneration operation, then in order to prevent from source of AC 1 to smooth condenser 3 power supplies, with expected value V
Dc *Be set at the power line voltage maxim of source of AC 1, and if ongoing be power operation, then with expected value V
Dc *Be set at the value littler, that is to say in peak value electric power reduction mode expected value V than the power line voltage maxim of source of AC 1
Dc *Be set at the voltage that allows the electric power of supply from source of AC 1 supply.When in S304, being judged as vdc V
DcExpected value V at this vdc
Dc *When above, owing to there is no need from energy savings device 11 to smooth condenser 3 power supplies, so the switch motion instruction is set at G
*=OFF (S308), and end process (S309).When in S304, being judged as vdc V
DcExpected value V less than this vdc
Dc *The time, the charge volume V of judgement energy savings device 11
BWhether at charge volume comparative figure V
B *More than (S305).At this, charge volume comparative figure V
B *Be expected value V
B *(with reference to first embodiment.This expected value V
B *Still when power moves, cut down the expected value of the required charge volume of peak value electric power) add vdc V
DcBe charged to this expected value V
Dc *Required energy and the value that obtains.When in S305, being judged as charge volume V
BLess than charge volume comparative figure V
B *The time, the switch motion instruction is set at G
*=OFF (S308), and end process (S309).When in S305, being judged as charge volume V
BAt charge volume comparative figure V
B *When above,, the switch motion instruction is set at G for the energy that uses energy savings device 11 charges to smooth condenser 3
*=ON (S306), after this end process (S309).
Below, return Fig. 7 and proceed explanation.Open and close in the judging part 125 at electromagnetic contactor, utilize the switch motion instruction G of charge and discharge device 10
*Vdc V with smooth condenser 3 two ends
Dc, the switching instruction CONcmd1 of generation electromagnetic contactor 13.For electromagnetic contactor 14, as long as before the passenger takes advantage of lift car 8, the switching instruction of electromagnetic contactor 14 is set at CONcmd2=ON gets final product.
Fig. 9 is the control flow chart that electromagnetic contactor opens and closes judging part 125.When control beginning (S401), judge whether the standby releasing marks is CG_cb=ON (S402).When being not CG_cb=ON, end process (S407).When in S402, being judged as the standby releasing marks when being CG_cb=ON, judge whether the switch motion instruction is G
*=ON (S403).Not G
*During=ON, supply power to smooth condenser 3 in order not save device 11, but supply power to smooth condenser 3 from source of AC 1 from energy, to electromagnetic contactor 13 output close command (CONcmd1=ON) (S406), and end process (S407).When in S403, being judged as the switch motion instruction is G
*During=ON, judge vdc V
DcWhether at the expected value V of this vdc
Dc *More than (S404).Be judged as vdc V
DcExpected value V less than this vdc
Dc *The time, because energy is saved device 11 to smooth condenser 3 power supplies, thus S404 carried out repeatedly, up to vdc V
DcReach the expected value V of this vdc
Dc *More than.At vdc V
DcReach the expected value V of this vdc
Dc *When above, the switch motion instruction is set at G
*=OFF (S405), to electromagnetic contactor 13 output close command (CONcmd1=ON) (S406), and end process (S407).
According to present embodiment, control setup 12 ' constitutes to have: operation control part 121, and it is called out and load data according to elevator lobby calling, lift car, judges whether elevator is in readiness for action; Energy savings apparatus control portion 124, it is when having removed readiness for action, if the vdc V at smooth condenser 3 two ends
DcExpected value V less than this vdc
Dc *, and the charge volume V of energy savings device 11
BAt charge volume comparative figure V
B *When above, generate the switch motion instruction G of charge and discharge device 10
*And electromagnetic contactor opens and closes judging part 125, the vdc V when smooth condenser 3 two ends
DcExpected value V at this vdc
Dc *When above, to electromagnetic contactor 13 output close command.Thus; Energy in filling into energy savings device 11 is when expected value is above; Before closing electromagnetic contactor 13, make charge and discharge device 10 work, utilize the energy that fills in the energy savings device 11 that smooth condenser 3 is charged, can make energy savings device 11 have vacant charge volume thus; The regenerated electric power that produces when utilizing the regeneration operation through improving carries out electrically-charged possibility, thereby can save the energy.
In the 4th embodiment; Control setup 12 ' is except the structure of control setup 12 with first embodiment; Also further set up energy savings apparatus control portion 124 and opened and closed judging part 125 with electromagnetic contactor; The 4th embodiment can not make up with first embodiment yet, but can use structure illustrated among the 4th embodiment separately.
Abovely describe the present invention with reference to embodiment, each structure of in above-mentioned each embodiment, explaining is an example only, and the present invention can carry out suitable change in the scope that does not break away from its technological thought.In addition, illustrated structure also can make up use as long as do not produce contradiction each other in above-mentioned each embodiment.
Claims (19)
1. elevator device, it comprises: changer, it carries out rectification and is transformed into direct current power the alternating electromotive force from source power supply; First inverter, it is connected with the DC side of said changer; Alternating-current motor/AC motor is from the alternating electromotive force of said first inverter to this alternating-current motor/AC motor supply variable ratio frequency changer, transformation; Lift car drives this lift car by said alternating-current motor/AC motor; Smooth condenser, it is connected between said changer and said first inverter; Energy savings device, it can be to said alternating-current motor/AC motor supplying energy when carrying out the power operation, and when regenerating operation, can save regenerated electric power; Charge and discharge device, it carries out the exchange of electric power between said smooth condenser and said energy savings device; First electromagnetic contactor, it is connected between said source power supply and the said changer; And control setup, it is totally controlled comprising the whole elevator device in being controlled at of said first inverter, and said elevator device is characterised in that,
When the readiness for action time length of said lift car more than first specified time, and the charge volume of said energy savings device makes said first electromagnetic contactor open circuit when the expected value of regulation is above.
2. elevator device as claimed in claim 1; It is characterized in that; When the readiness for action time length of said lift car greater than second specified time of said first specified time when above; No matter said the value of the charge volume of energy savings device be what, and said first electromagnetic contactor is opened a way.
3. elevator device as claimed in claim 1; It is characterized in that; This elevator device comprises that an end is connected second electromagnetic contactor between said first electromagnetic contactor and the said changer and is positioned at said lift car in-to-in lift car equipment with the other end bonded assembly of said second electromagnetic contactor; When the readiness for action time length of said lift car when said first specified time is above, make said second electromagnetic contactor open circuit.
4. elevator device as claimed in claim 1; It is characterized in that; This elevator device comprises that an end is connected second electromagnetic contactor between said source power supply and said first electromagnetic contactor and is positioned at said lift car in-to-in lift car equipment with the other end bonded assembly of said second electromagnetic contactor; When the readiness for action time length of said lift car when said first specified time is above, make said second electromagnetic contactor open circuit.
5. elevator device as claimed in claim 1; It is characterized in that; This elevator device comprise be connected with said smooth condenser and direct current power is transformed to alternating electromotive force second inverter, an end and said second inverter AC side bonded assembly second electromagnetic contactor and be positioned at said lift car in-to-in lift car equipment with the other end bonded assembly of said second electromagnetic contactor; When the readiness for action time length of said lift car when said first specified time is above, make said second electromagnetic contactor open circuit.
6. elevator device as claimed in claim 1; It is characterized in that; When said lift car when readiness for action recovers; Electric power in said energy savings device charges to said smooth condenser if the charge volume of said energy savings device more than the charge volume comparative figure of regulation, then utilizes savings.
7. elevator device, it comprises: changer, it carries out rectification and is transformed into direct current power the alternating electromotive force from source power supply; First inverter, it is connected with the DC side of said changer; Alternating-current motor/AC motor is from the alternating electromotive force of said first inverter to this alternating-current motor/AC motor supply variable ratio frequency changer, transformation; Lift car drives this lift car by said alternating-current motor/AC motor; Smooth condenser, it is connected between said changer and said first inverter; Energy savings device, it can be to said alternating-current motor/AC motor supplying energy when carrying out the power operation, and when regenerating operation, can save regenerated electric power; Charge and discharge device, it carries out the exchange of electric power between said smooth condenser and said energy savings device; First electromagnetic contactor, it is connected between said source power supply and the said changer; And control setup, it is totally controlled comprising the whole elevator device in being controlled at of said first inverter, and said elevator device is characterised in that,
Said control setup comprises: the operation control part, and it judges whether said lift car is in readiness for action; Readiness for action time length measurement section, it measures the time that readiness for action continued of said lift car; And electromagnetic contactor opens and closes judging part; Its readiness for action time length that measures by said readiness for action time length measurement section more than first specified time and the charge volume of said energy savings device when the expected value of regulation is above, make said first electromagnetic contactor open circuit.
8. elevator device as claimed in claim 7; It is characterized in that; When said readiness for action time length greater than second specified time of said first specified time when above; No matter said the value of the charge volume of energy savings device be what, and said electromagnetic contactor opens and closes judging part and all generates the instruction that said first electromagnetic contactor is opened a way.
9. elevator device as claimed in claim 7; It is characterized in that; This elevator device comprises that an end is connected second electromagnetic contactor between said first electromagnetic contactor and the said changer and is positioned at said lift car in-to-in lift car equipment with the other end bonded assembly of said second electromagnetic contactor; When said readiness for action time length when said first specified time is above, said electromagnetic contactor opens and closes judging part and generates the instruction that makes said second electromagnetic contactor open circuit.
10. elevator device as claimed in claim 7; It is characterized in that; This elevator device comprises that an end is connected second electromagnetic contactor between said source power supply and said first electromagnetic contactor and is positioned at said lift car in-to-in lift car equipment with the other end bonded assembly of said second electromagnetic contactor; When said readiness for action time length when said first specified time is above, said electromagnetic contactor opens and closes judging part and generates the instruction that makes said second electromagnetic contactor open circuit.
11. elevator device as claimed in claim 7; It is characterized in that; This elevator device comprise be connected with said smooth condenser and direct current power is transformed to alternating electromotive force second inverter, an end and said second inverter AC side bonded assembly second electromagnetic contactor and be positioned at said lift car in-to-in lift car equipment with the other end bonded assembly of said second electromagnetic contactor; When said readiness for action time length when said first specified time is above, said electromagnetic contactor opens and closes judging part and generates the instruction that makes said second electromagnetic contactor open circuit.
12. elevator device as claimed in claim 7; It is characterized in that; This elevator device comprises: energy savings apparatus control portion; When the charge volume of said energy savings device when the charge volume comparative figure is above, in said charge and discharge device, generate from said energy savings device to said smooth condenser powered switch action command; With switching judging part with respect to said first electromagnetic contactor, when the vdc at said smooth condenser two ends when smooth condenser charging expected value is above, to said first electromagnetic contactor output close command.
13. each the described elevator device as in the claim 1 to 12 is characterized in that said first specified time is 3 minutes.
14. each the described elevator device as in the claim 1 to 12 is characterized in that said second specified time is 15 minutes.
15. each the described elevator device as in the claim 1 to 12 is characterized in that, the expected value of said regulation be that said energy savings device can electrically-charged energy 80%.
16. an elevator device, it comprises: changer, and it carries out rectification and is transformed into direct current power the alternating electromotive force from source power supply; First inverter, it is connected with the DC side of said changer; Alternating-current motor/AC motor is from the alternating electromotive force of said first inverter to this alternating-current motor/AC motor supply variable ratio frequency changer, transformation; Lift car drives this lift car by said alternating-current motor/AC motor; Smooth condenser, it is connected between said changer and said first inverter; Energy savings device, it can be to said alternating-current motor/AC motor supplying energy when carrying out the power operation, and when regenerating operation, can save regenerated electric power; Charge and discharge device, it carries out the exchange of electric power between said smooth condenser and said energy savings device; First electromagnetic contactor, it is connected between said source power supply and the said changer; And control setup, it is totally controlled comprising the whole elevator device in being controlled at of said first inverter, and said elevator device is characterised in that,
When readiness for action recovered, the electric power in said energy savings device charged to said smooth condenser if the charge volume of said energy savings device more than the charge volume comparative figure, then uses savings at said lift car.
17. an elevator device, it comprises: changer, and it carries out rectification and is transformed into direct current power the alternating electromotive force from source power supply; First inverter, it is connected with the DC side of said changer; Alternating-current motor/AC motor is from the alternating electromotive force of said first inverter to this alternating-current motor/AC motor supply variable ratio frequency changer, transformation; Lift car drives this lift car by said alternating-current motor/AC motor; Smooth condenser, it is connected between said changer and said first inverter; Energy savings device, it can be to said alternating-current motor/AC motor supplying energy when carrying out the power operation, and when regenerating operation, can save regenerated electric power; Charge and discharge device, it carries out the exchange of electric power between said smooth condenser and said energy savings device; First electromagnetic contactor, it is connected between said source power supply and the said changer; And control setup, it is totally controlled the interior whole elevator device that is controlled at that comprises said first inverter, and said elevator device is characterised in that, also comprises:
The operation control part, it judges whether said lift car is in readiness for action;
Energy savings apparatus control portion; It is when having removed the readiness for action of said lift car; If the charge volume of said energy savings device more than the charge volume comparative figure, then generates in said charge and discharge device from said energy savings device to said smooth condenser powered switch action command; With
With respect to the switching judging part of said first electromagnetic contactor, when the vdc at said smooth condenser two ends when smooth condenser charging expected value is above, to said first electromagnetic contactor output close command.
18. elevator device as claimed in claim 17; It is characterized in that said charge volume comparative figure is that the expected value of when power moves, cutting down the charge volume of the required said energy savings device of peak value electric power adds that vdc with said smooth condenser two ends is charged to the said smooth condenser charging required energy of expected value and the value that obtains.
19. like claim 17 or 18 described elevator devices; It is characterized in that; When said lift car is regenerated operation; Said smooth condenser charging expected value is the maximum voltage value of said source power supply, and when said lift car carried out the power operation, said smooth condenser charging expected value was the value less than the maximum voltage value of said source power supply.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-218050 | 2010-09-29 | ||
| JP2010218050A JP5244880B2 (en) | 2010-09-29 | 2010-09-29 | Elevator system |
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| Publication Number | Publication Date |
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| CN102431858A true CN102431858A (en) | 2012-05-02 |
| CN102431858B CN102431858B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110258362.7A Expired - Fee Related CN102431858B (en) | 2010-09-29 | 2011-09-02 | Elevator system |
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| JP (1) | JP5244880B2 (en) |
| CN (1) | CN102431858B (en) |
Cited By (4)
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| CN102801383A (en) * | 2012-09-07 | 2012-11-28 | 伟肯(苏州)电气传动有限公司 | Alternating current motor driving device with charging function and charging method thereof |
| CN103910258A (en) * | 2013-01-04 | 2014-07-09 | 日立电梯（中国）有限公司 | Intelligent elevator energy-saving system |
| CN104340787A (en) * | 2014-10-13 | 2015-02-11 | 苏州美罗升降机械有限公司 | Energy-saving cruising lift machine |
| CN106477435A (en) * | 2015-08-25 | 2017-03-08 | 奥的斯电梯公司 | Lift car supply of electric power |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7375503B2 (en) | 2019-11-28 | 2023-11-08 | 三菱電機株式会社 | elevator power supply |
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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 |
| CN104340787A (en) * | 2014-10-13 | 2015-02-11 | 苏州美罗升降机械有限公司 | Energy-saving cruising lift machine |
| CN106477435A (en) * | 2015-08-25 | 2017-03-08 | 奥的斯电梯公司 | Lift car supply of electric power |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5244880B2 (en) | 2013-07-24 |
| CN102431858B (en) | 2015-05-20 |
| JP2012071943A (en) | 2012-04-12 |
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