CN110040587A - Elevator energy-saving deployment device - Google Patents
Elevator energy-saving deployment device Download PDFInfo
- Publication number
- CN110040587A CN110040587A CN201810043101.5A CN201810043101A CN110040587A CN 110040587 A CN110040587 A CN 110040587A CN 201810043101 A CN201810043101 A CN 201810043101A CN 110040587 A CN110040587 A CN 110040587A
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- Prior art keywords
- inverter
- energy
- energy storage
- carriage
- storage equipment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/2408—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration where the allocation of a call to an elevator car is of importance, i.e. by means of a supervisory or group controller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/20—Details of the evaluation method for the allocation of a call to an elevator car
- B66B2201/216—Energy consumption
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses a kind of elevator energy-saving deployment device, two direct-flow input ends of each inverter connect the positive and negative busbar of DC bus respectively, and ac output end connects different motors respectively；Inverter has motoring condition and reproduced state two states, and the output power of inverter is positive when motoring condition, and the output power of inverter is negative when reproduced state；Energy storage equipment connects between positive and negative busbar；When total output power that the electricity of energy storage equipment is less than setting electricity and/or each inverter is greater than setting power, then controller according to energy storage policy selection carriage and controls the carriage and corresponds to motor operation；When energy storage strategy, preferably selects unloaded uplink and be lightly loaded the lift car response uplink calling of uplink, the preferential lift car response downlink calling for selecting fully loaded downlink and heavily loaded downlink.Elevator energy-saving deployment device of the invention can improve energy-saving efficiency whole when elevator parallel bus.
Description
Technical field
The present invention relates to elevator control technology, in particular to a kind of elevator energy-saving deployment device.
Background technique
As energy conservation and environmental protection is rooted in the hearts of the people, there are many energy savers in elevators field.The energy conservation of energy storage equipment is not configured
Device is still weak in realization condition because energy needs direct feedback grid.And configure the energy saver of energy storage equipment due to
Lower reason, energy-saving efficiency are lower:
1. the stored energy capacitance of energy storage equipment is all restricted；
2. the power limited system of energy storage equipment；
3. conversion links are more, transfer efficiency is restricted.
These energy savers generally comprise the energy storage equipment with electric power management device.In order to improve the energy storage equipment
Frequency of use has producer to propose the DC bus for connecting multiple elevator inverter to improve the energy-saving efficiency of elevator entirety
It is in parallel.
And after DC bus is in parallel, conventional automation strategy is still such as taken, then when function has been expired or absorbed to energy storage equipment electricity
When rate has reached the upper limit, energy storage equipment can not reabsorb energy, and the energy for being fed back to DC bus at this time can be reproduced device and disappear
Consumption.
It is elaborated in one text of elevator group control dispatching method of Chinese patent application CN201110197443 energy-saving feedback oriented
A kind of Optimization Scheduling of multiple control lift energy-saving feedback oriented, but it does not consider that the capacity of energy storage equipment is limited, also not
Consider that the absorption power of energy storage equipment is limited, so when occurring having reached the upper limit when power has been expired or absorbed to energy storage equipment electricity
When, the energy-conserving action of energy storage equipment just disappears.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of elevator energy-saving deployment devices, when can improve elevator parallel bus
Whole energy-saving efficiency.
In order to solve the above technical problems, elevator energy-saving deployment device provided by the invention comprising DC bus, accumulation of energy dress
It sets, electric quantity detection apparatus, inverter power detection device, controller and at least one inverter；
Two direct-flow input ends of each inverter connect the positive and negative busbar of DC bus respectively, and ac output end connects not respectively
Same motor；
Inverter has motoring condition and reproduced state two states, and the output power of inverter is when motoring condition
Just, the output power of inverter is negative when reproduced state；
The energy storage equipment connects between positive and negative busbar；
The electric quantity detection apparatus is used to detect the electricity of the energy storage equipment；
The inverter power detection device is for detecting the total output power for connecing each inverter on bus；
The controller, when the electricity of the energy storage equipment is less than total output of setting electricity and/or each inverter
Power is greater than setting power, then according to energy storage policy selection carriage and controls the carriage and correspond to motor operation；
Energy storage strategy is, when response uplink is called, the uplink zero load carriage below floor is called in selection first, secondly selects
It calls the uplink below floor to be lightly loaded carriage, and controls and choose inverter to be introduced into motoring condition to make motor to counterweight sidespin
Turn, controlling inverter again after revolving speed reaches setting speed and entering reproduced state makes electric power generation feedback；Respond downlink calling
When, the downlink above selection calling floor is fully loaded with carriage first, secondly the downlink heavy duty carriage above selection calling floor, and controls
Inverter processed, which is introduced into motoring condition, rotates motor to cage side, controls inverter again after revolving speed reaches setting speed
Make electric power generation feedback into reproduced state；
Unloaded car weight < underloading car weight < counterweight weight < heavy duty carriage < is fully loaded with car weight.
Preferably, the controller, when the electricity of the energy storage equipment is more than or equal to setting electricity, and each inverter
Total output power be less than or equal to setting power, then according to normal policy selection carriage and control choose carriage correspond to motor transport
Row；
When normal strategy, the duration that the priority of the controller selection carriage reaches calling floor with carriage is related.
Preferably, the energy storage equipment includes electric power management device and super capacitor；
Electric power management device is used to energy on DC bus being delivered to super capacitor, or energy on super capacitor is conveyed
To DC bus.
Preferably, elevator energy-saving deployment device further includes regenerating unit；
The regenerating unit includes the regeneration resistance and brake switch being connected between positive and negative busbar.
Preferably, elevator energy-saving deployment device further includes rectifier bridge stack；
The rectifier bridge stack is provided to DC bus after electric main is converted to direct current.
Elevator energy-saving deployment device of the invention, when the electricity of energy storage equipment 4 is less than setting electricity and/or each inversion dress
The total output power for setting 3 is greater than setting power, then according to energy storage policy selection carriage and controls the carriage and correspond to motor operation,
When energy storage strategy, preferably selects unloaded uplink and be lightly loaded the lift car response uplink calling of uplink, it is preferential to select fully loaded downlink
And the lift car response downlink calling of heavily loaded downlink, enable inverter when connect motor powered is run by DC bus
Amount is provided to motor, and motor feedback energy is delivered to DC bus when connect motor is regenerated and run, so that accumulation of energy at this time fills
The electric energy for setting 4 is supplemented, to improve whole energy-saving efficiency.The elevator energy-saving deployment device of embodiment one, accumulation of energy is filled
The capacity and absorption power set account for, less down to when cannot play energy-saving effect in energy storage equipment remaining capacity, lead to
It crosses and changes the mode of conventional automation strategy and improve the probability to charge to energy storage equipment, thus hoisting elevator energy saver on the whole
Energy-saving efficiency；It is stored again or in all inverter general powers higher (taking electricity more from DC bus) so that consideration can not had to
When the absorption upper limit of the power of energy device influences, the mode for crossing the conventional automation strategy of change is improved fills to DC bus or energy storage equipment
The probability of electricity, thus the energy-saving efficiency of hoisting elevator energy saver on the whole.Pass through the multiple control lift to DC bus parallel connection
Energy conservation allotment can directly supply electricity to the inversion in motoring condition by DC bus from the inverter in reproduced state
Device reduces conversion links, does not take electricity from energy storage equipment, so energy-saving efficiency is higher than the mode that electricity is taken from energy storage equipment,
Energy-saving efficiency (saving when energy-saving efficiency refers to configuration energy saver of elevator entirety is improved in the case where not increasing hardware cost
Electric energy and the ratio of electric energy that is consumed when not configuring energy saver).
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, the required attached drawing of the present invention is made below simple
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is one example structure schematic diagram of elevator energy-saving deployment device of the invention；
Fig. 2 is one embodiment energy storage policy response quadrant schematic diagram of elevator energy-saving deployment device of the invention；
Fig. 3 is the schematic diagram of one embodiment of elevator energy-saving deployment device movement of the invention.
Description of symbols:
1: rectifier bridge stack；2: DC bus；3: inverter；4: energy storage equipment；41: electric power management device；42: super electricity
Hold；5: regenerating unit；51: regeneration resistance；52: brake switch.
Specific embodiment
Below in conjunction with attached drawing, clear, complete description is carried out to the technical solution in the present invention, it is clear that described
Embodiment is a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment one
As shown in Figure 1, elevator energy-saving deployment device includes DC bus 2, energy storage equipment 4, electric quantity detection apparatus, inversion function
Rate detection device, controller and at least one inverter 3；
Two direct-flow input ends of each inverter 3 connect the positive and negative busbar of DC bus 2 respectively, and ac output end connects respectively
Different motor M；
Inverter 3 has motoring condition and reproduced state two states, the output power of inverter when motoring condition
It is positive, the output power of inverter is negative when reproduced state；
The energy storage equipment 4 connects between positive and negative busbar；
The electric quantity detection apparatus is used to detect the electricity of the energy storage equipment 4；
The inverter power detection device is for detecting the total output power for connecing each inverter on bus；
The controller, when the electricity of the energy storage equipment is less than total output of setting electricity and/or each inverter
Power is greater than setting power, then according to energy storage policy selection carriage and controls the carriage and correspond to motor operation；
Energy storage strategy is, when response uplink is called, the uplink zero load carriage below floor is called in selection first, secondly selects
It calls the uplink below floor to be lightly loaded carriage, and controls and choose inverter to be introduced into motoring condition to make motor to counterweight sidespin
Turn, controlling inverter again after revolving speed reaches setting speed and entering reproduced state makes electric power generation feedback；Respond downlink calling
When, the downlink above selection calling floor is fully loaded with carriage first, secondly the downlink heavy duty carriage above selection calling floor, and controls
Inverter processed, which is introduced into motoring condition, rotates motor to cage side, controls inverter again after revolving speed reaches setting speed
Make electric power generation feedback into reproduced state；
Unloaded car weight < underloading car weight < counterweight weight < heavy duty carriage < is fully loaded with car weight.
As shown in Fig. 2, it is to take electricity from DC bus that all inverter current total powers, which are timing, it is discharged to when being negative
DC bus, dash area starting energy storage strategy are accordingly called.
The elevator energy-saving deployment device of embodiment one, when the electricity of energy storage equipment 4 is less than setting electricity and/or each inversion
Total output power of device 3 be greater than setting power, then according to energy storage policy selection carriage and control the carriage correspond to motor transport
Row when energy storage strategy, preferably selects unloaded uplink and is lightly loaded the lift car response uplink calling of uplink, under preferential selection is fully loaded
The lift car response downlink calling of capable and heavily loaded downlink, so that inverter is when connect motor powered is run by DC bus
Energy is provided to motor, motor feedback energy is delivered to DC bus when connect motor is regenerated and run, so that accumulation of energy at this time
The electric energy of device 4 is supplemented, to improve whole energy-saving efficiency.The elevator energy-saving deployment device of embodiment one, by accumulation of energy
It the capacity of device and absorbs power and accounts for, it is less in energy storage equipment remaining capacity so that when cannot play energy-saving effect,
The probability to charge to energy storage equipment is improved by way of changing conventional automation strategy, thus hoisting elevator energy saver on the whole
Energy-saving efficiency；Again or all inverter general powers it is higher (from DC bus take electricity it is more) so that can not have to consider
When the absorption upper limit of the power of energy storage equipment influences, the mode for crossing the conventional automation strategy of change is improved to DC bus or energy storage equipment
The probability of charging, thus the energy-saving efficiency of hoisting elevator energy saver on the whole.Pass through the multiple control lift to DC bus parallel connection
Energy conservation allotment, can directly be supplied electricity to from the inverter in reproduced state by DC bus inverse in motoring condition
Become device, reduces conversion links, do not take electricity from energy storage equipment, so energy-saving efficiency is higher than the mode that electricity is taken from energy storage equipment,
Improved in the case where not increasing hardware cost elevator entirety energy-saving efficiency (energy-saving efficiency refer to configuration the energy saver time
The ratio of the electric energy of province and the electric energy consumed when not configuring energy saver).
Embodiment two
Elevator energy-saving deployment device based on embodiment one, the controller, when the energy storage equipment electricity be greater than etc.
In setting electricity, and total output power of each inverter is less than or equal to setting power, then according to normal policy selection sedan-chair
Compartment and control choose carriage to correspond to motor operation；When energy storage strategy, the priority of the controller selection carriage is arrived with carriage
Duration up to calling floor is related.
Preferably, the energy storage equipment 4 includes electric power management device 41 and super capacitor 42, electric power management device 41 can root
According to needing energy on DC bus 2 being delivered to super capacitor 42, or energy on super capacitor is delivered to DC bus.
Preferably, elevator energy-saving deployment device further includes regenerating unit 5, regenerating unit 5 include be connected on positive and negative busbar 2 it
Between regeneration resistance 51 and brake switch 52, regeneration resistance brake switch be closed when consumption DC bus on electric energy.
Preferably, elevator energy-saving deployment device further includes rectifier bridge stack 1；
The rectifier bridge stack 1 is provided to DC bus after electric main is converted to direct current.
Embodiment three
Elevator energy-saving deployment device based on embodiment two, as shown in figure 3, having lift car U, lift car V, elevator car
Compartment W is in team control configuration, and the inverter of each motor of lift car U, lift car V, lift car W is driven to be connected in parallel on
With on a pair of DC bus, energy storage equipment and regenerating unit are also parallel with to DC bus at this.
The state of a certain moment above-mentioned apparatus is as follows:
Lift car U heavy duty is at 4 buildings and is moving up, and at 2 buildings, lift car W zero load is stopped at for lift car V zero load
6 buildings；
The remaining capacity of energy storage equipment is less than setting electricity A；
There is for 5 buildings uplink calling be registered.
The controller of elevator energy-saving deployment device, when the electricity of energy storage equipment is less than setting electricity A, starting energy storage strategy is rung
It should call.Therefore at this point, lift car U is in during heavily loaded uplink, therefore it is not responding to call；Lift car W is higher than calling floor,
Therefore it is also not responding to call；And lift car V is unloaded and uplink calling is responded in the case where calling floor, therefore finally rung by lift car V
Answer 5 row callings upstairs.
If conventional automation strategy response calling, it is likely that it is lift car U (equidirectional nearest) response calling, it can also
It can be lift car W (waiting time is most short) response calling.
The above is only preferred embodiment of the present application, it is not used to limit the application.Come for those skilled in the art
It says, various changes and changes are possible in this application.Within the spirit and principles of this application, made any modification, equivalent
Replacement, improvement etc., should be included within the scope of protection of this application.
Claims (5)
1. a kind of elevator energy-saving deployment device, which is characterized in that including DC bus, energy storage equipment, electric quantity detection apparatus, inversion
Power detection device, controller and at least one inverter；
Two direct-flow input ends of each inverter connect the positive and negative busbar of DC bus respectively, and ac output end connects different electricity respectively
Machine；
Inverter has motoring condition and reproduced state two states, and the output power of inverter is positive when motoring condition,
The output power of inverter is negative when reproduced state；
The energy storage equipment connects between positive and negative busbar；
The electric quantity detection apparatus is used to detect the electricity of the energy storage equipment；
The inverter power detection device is for detecting the total output power for connecing each inverter on bus；
The controller, when the electricity of the energy storage equipment is less than total output power of setting electricity and/or each inverter
Greater than setting power, then according to energy storage policy selection carriage and controls the carriage and correspond to motor operation；
Energy storage strategy is, when response uplink is called, the uplink zero load carriage below floor is called in selection first, and secondly selection is called
Uplink below floor is lightly loaded carriage, and controls and choose inverter to be introduced into motoring condition to rotate motor to counterweight-side, to
Revolving speed, which reaches to control inverter again after setting speed and enter reproduced state, makes electric power generation feedback；It is first when responding downlink calling
Downlink above first selection calling floor is fully loaded with carriage, secondly the downlink heavy duty carriage above selection calling floor, and controls inverse
Change device, which is introduced into motoring condition, rotates motor to cage side, controls inverter entrance again after revolving speed reaches setting speed
Reproduced state makes electric power generation feedback；
Unloaded car weight < underloading car weight < counterweight weight < heavy duty carriage < is fully loaded with car weight.
2. elevator energy-saving deployment device according to claim 1, which is characterized in that
The controller, when the electricity of the energy storage equipment is more than or equal to setting electricity, and total output of each inverter
Power is less than or equal to setting power, then chooses carriage to correspond to motor operation according to normal policy selection carriage and control；
When normal strategy, the duration that the priority of the controller selection carriage reaches calling floor with carriage is related.
3. elevator energy-saving deployment device according to claim 1, which is characterized in that
The energy storage equipment includes electric power management device and super capacitor；
Electric power management device is used to energy on DC bus being delivered to super capacitor, or energy on super capacitor is delivered to directly
Flow bus.
4. elevator energy-saving deployment device according to claim 1, which is characterized in that
Elevator energy-saving deployment device further includes regenerating unit；
The regenerating unit includes the regeneration resistance and brake switch being connected between positive and negative busbar.
5. elevator energy-saving deployment device according to claim 1, which is characterized in that
Elevator energy-saving deployment device further includes rectifier bridge stack；
The rectifier bridge stack is provided to DC bus after electric main is converted to direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043101.5A CN110040587B (en) | 2018-01-17 | 2018-01-17 | Energy-saving allocating device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043101.5A CN110040587B (en) | 2018-01-17 | 2018-01-17 | Energy-saving allocating device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110040587A true CN110040587A (en) | 2019-07-23 |
| CN110040587B CN110040587B (en) | 2021-05-25 |
Family
ID=67273066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810043101.5A Active CN110040587B (en) | 2018-01-17 | 2018-01-17 | Energy-saving allocating device for elevator |
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| CN110040587B (en) | 2021-05-25 |
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