CN108616158A - The energy saver of multi-connected machine team control type lift driving and controlling system - Google Patents

The energy saver of multi-connected machine team control type lift driving and controlling system Download PDF

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Publication number
CN108616158A
CN108616158A CN201810495305.2A CN201810495305A CN108616158A CN 108616158 A CN108616158 A CN 108616158A CN 201810495305 A CN201810495305 A CN 201810495305A CN 108616158 A CN108616158 A CN 108616158A
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China
Prior art keywords
module
super capacitor
energy
connect
circuit
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Pending
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CN201810495305.2A
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Chinese (zh)
Inventor
樊卫华
韩宇
郭健
吴益飞
谢蓉华
陈庆伟
董晟
王瑨
文云
姜珊
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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Priority to CN201810495305.2A priority Critical patent/CN108616158A/en
Publication of CN108616158A publication Critical patent/CN108616158A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load

Abstract

The present invention provides a kind of energy savers of multi-connected machine team control type lift driving and controlling system, including several two-way DC DC modules, several super capacitor modules, several monitoring data acquisition modules, energy-saving distribution module;The collection terminal of each monitoring data acquisition module is connect with DC bus both ends and transmitting terminal is connect with elevator signal processing module, each two-way DC DC modules include booster circuit and reduction voltage circuit, the control terminal of booster circuit and reduction voltage circuit is connect with elevator signal processing module, energy-saving distribution module includes two-way step down circuit, energy-saving distribution module control terminal is connect with elevator signal processing module, cathode is connected between super capacitor module and two super capacitor groups form a capacitor cell, each super capacitor module is connect by corresponding booster circuit and reduction voltage circuit with DC bus both ends, anode between super capacitor module is connected by corresponding two-way step down module.

Description

The energy saver of multi-connected machine team control type lift driving and controlling system
Technical field
The present invention relates to a kind of Elevator group control technology, especially a kind of section of multi-connected machine team control type lift driving and controlling system It can device.
Background technology
With the development of society, the continuous breakthrough of building height, elevator are gradually popularized in life.The increasing of elevator usage amount Length causes the energy consumption problem of thing followed elevator also to become increasingly conspicuous.According to statistics, China's elevator is averaged day power consumption every about 40kWh, year power consumption reach 1.5 ten thousand degree, the total power consumption of domestic elevator annual so just reaches 60,000,000,000 degree, huge energy consumption The extensive research for elevator energy-saving technology is caused.If developing related elevator power-saving technology, the energy consumption of elevator is reduced, it will With huge economic benefit, meet environmental protection, the requirement of green, sustainable development view.And domestic energy-conserving elevator occupies at present Rate is only 10% or so, and the theory of this environmentally protective sustainable development vigorously advocated with country is not inconsistent, and develops energy-saving lift Seem particularly critical.
At present for the research in terms of elevator energy-saving, it is divided into two kinds in general orientation.The first is directed to certain group control algorithm, leads to Improvement group control algorithm is crossed, the efficiency of decision-making is promoted, is reduced with this and sends the terraced distance of echelon number and group, realize efficient group's ladder, in turn Realize energy saving of system;Another kind is directed to motor driving energy source, introduces traction machine electric energy feedback mechanism, and to traction machine feedback Electric energy is recycled.Also there are two aspects for current second of research, and one is pass through special electric energy feedback inverter By the electrical energy transportation of traction machine feedback to power grid, but it is easy to cause the pollution of higher hamonic wave to power grid;Another kind is to pass through energy storage Element stores the electric energy of feedback, and carries out discharge-assisted motor operation on corresponding opportunity.
Invention content
The purpose of the present invention is to provide a kind of energy saver of multi-connected machine team control type lift driving and controlling system, the devices It can not only realize that single elevator system is independently energy saving, also want to realize the energy between the super capacitor module of multiple lift control system It transmits.
Realize that the technical solution of the object of the invention is:A kind of energy saving dress of multi-connected machine team control type lift driving and controlling system It sets, including several bi-directional DC-DC modules, several super capacitor modules, several monitoring data acquisition modules, energy-saving distribution module; The collection terminal of each monitoring data acquisition module is connect with DC bus both ends and transmitting terminal is connect with elevator signal processing module, Each bi-directional DC-DC module includes booster circuit and reduction voltage circuit, the control terminal and elevator signal of booster circuit and reduction voltage circuit Processing module connects, and energy-saving distribution module includes two-way step down circuit, and energy-saving distribution module control terminal handles mould with elevator signal Block connects, and cathode is connected between super capacitor module and multiple super capacitor groups form a capacitor cell, each super capacitor Module is connect by corresponding booster circuit and reduction voltage circuit with DC bus both ends, and the anode between super capacitor module passes through Corresponding two-way step down module connection;The data of monitoring data acquisition module acquisition include the speed, rotation direction and machine of traction machine Tool angle, further include DC bus both end voltage, each super capacitor mould both end voltage, driving traction machine three-phase electricity electric current, Super capacitor module charging and discharging currents information, the booster circuit and reduction voltage circuit of bi-directional DC-DC module realize super capacitor module Energy work rate transmits between DC bus, and the two-way step down circuit of energy-saving distribution module realizes the energy of super capacitor membrane module Power transfer.
Compared with prior art, the present invention haing the following advantages:(1) energy saver of the invention, compared to existing super Capacitance power-saving technology improves the present situation of energy demand braking resistor energy consumption extra when super capacitor electric energy is full of;Compared to electricity The technology of energy feedback grid, will not cause higher hamonic wave to pollute in power grid;(2) energy saver of the invention, not only may be implemented Single rack elevator it is energy saving, be designed also directed to the elevator group for possessing two framves and the above elevator of two framves, compared to existing single rack The energy saver of elevator or pairs of elevator has wider applicability, possesses broader foreground, be truly realized team control type The Energy Saving Strategy of elevator;(3) energy saver of the invention, the on-demand energy transmission being accomplished that between super capacitor module are first Existing electromagnetic radiation leads to energy loss when first solving super capacitor module whole parallel energy special delivery, and connection on demand can be maximum Reduce to limit energy loss caused by electromagnetic radiation;Ensure the smooth transfer of energy secondly by two-way step down module.
The invention will be further described with reference to the accompanying drawings of the specification.
Description of the drawings
Fig. 1 is the multi-connected machine team control type lift driving and controlling system structural schematic diagram that the present invention carries energy saver.
The principle schematic of Fig. 2 energy transmissions between the super capacitor module and DC bus of energy saver of the present invention.
The principle schematic of Fig. 3 energy transmissions between the super capacitor module of energy saver of the present invention.
Fig. 4 is the principle schematic of the two-way step down module of energy saver of the present invention.
Specific implementation mode
In conjunction with Fig. 1, energy saver of the invention is mounted on multi-connected machine team control type lift driving and controlling system, realizes elevator Group control system it is energy saving, the system comprises rectification module 2, inverter module 3, elevator traction machine 4, elevator signal processing module 8, External calling signal, hoistway signal and safety return circuit signal 9, team control control module 10, traction machine drive control module 12;It is described Energy saver includes:Bi-directional DC-DC module 5, super capacitor module 6, monitoring data acquisition module 7, energy-saving distribution module 11.Its In, power grid three-phase electricity 1 connects multiple rectification modules 2, and inverter module 3 is connected after the voltage stabilizing of DC bus;Inverter module 3 According to the control signal of traction machine drive control module 12,4 required three-phase electricity of corresponding driving traction machine is generated;Monitoring data Acquisition module 7 is responsible for speed, angle, three-phase electricity electric current, DC bus-bar voltage and the super capacitor module voltage of acquisition traction machine The information of electric current is sent to elevator signal processing module 8;Team control control module 8 receive external signal 9, under automation strategy to Elevator signal processing module 8 sends team control signal;After elevator signal processing module 8 receives each road signal, drives and control to traction machine Molding block 12 sends control signal, while sending control signal to energy saver.
The collection terminal of each monitoring data acquisition module 7 connect with 13 both ends of DC bus and at transmitting terminal and elevator signal It manages module 8 to connect, each bi-directional DC-DC module 5 includes booster circuit and reduction voltage circuit, the control of booster circuit and reduction voltage circuit End is connect with elevator signal processing module 8, and energy-saving distribution module 11 includes two-way step down circuit, 11 control terminal of energy-saving distribution module It is connect with elevator signal processing module 8, cathode is connected between super capacitor module 6 and multiple super capacitor groups 6 form an electricity Hold unit, each super capacitor module 6 is connect by corresponding booster circuit and reduction voltage circuit with 13 both ends of DC bus, super Anode between electric capacity module 6 is connected by corresponding two-way step down module;The data that monitoring data acquisition module 7 acquires include draging The speed, rotation direction and mechanical angle for drawing machine further include 13 both end voltage of DC bus, each 6 both ends of super capacitor mould electricity Pressure, the three-phase electricity electric current of driving traction machine, 6 charging and discharging currents information of super capacitor module, the boosting electricity of bi-directional DC-DC module 5 Road and reduction voltage circuit realize that energy work rate transmits between super capacitor module 6 and DC bus 13, pair of energy-saving distribution module 11 Realize that the energy work rate of super capacitor module 6 transmits to reduction voltage circuit.
The monitoring data acquisition module 7 includes encoder, Hall voltage sensor and Hall current sensor.Wherein, Encoder acquires the speed of traction machine, rotation direction and mechanical angle;Hall voltage sensor acquires DC bus both end voltage With the voltage at 6 both ends of super capacitor module;Hall current sensor acquires the three-phase electricity electric current and super capacitor of driving traction machine Module charging and discharging currents information.
The elevator signal processing module 8 is the module of multiple lift control system processing information publication instruction.Monitoring data are adopted The velocity information of collection 7 collected three-phase electricity electric current of module and traction machine can obtain after being sent to elevator signal processing module 8 The load torque of traction machine;Elevator signal processing module 8 combines the information such as load torque and rotation direction to may determine that traction machine It is motoring condition or generating state;The voltage at 7 collected 6 both ends of super capacitor module of monitoring data acquisition module is sent to After elevator signal processing module 8, it can be determined that whether super capacitor is full power state;Monitoring data acquisition module 7 is collected After the voltage at DC bus both ends is sent to elevator signal processing module 8, control bi-directional DC-DC module energy can be sent out and transmitted The instruction in direction.
In conjunction with Fig. 2, the bi-directional DC-DC module in the energy saver of multi-connected machine team control type lift driving and controlling system of the present invention 5.The bi-directional DC-DC module 5 includes light-coupled isolation module, relay module and DC-DC module.Wherein, light-coupled isolation module is protected The weak electric signal of elevator signal processing module 8 is demonstrate,proved not by the forceful electric power signal interference of bi-directional DC-DC module 5;Relay module can incite somebody to action Access cut-out between super capacitor module 6 and DC bus, prevents energy conserving system maloperation.DC-DC module is energy conserving system Main power device, be to realize energy work rate stream transmits between DC bus and super capacitor nucleus module.Because direct current is female Line voltage, so when DC bus is to super capacitor energy-storage, needs to carry out at decompression always above 6 voltage of super capacitor module Reason, and when super capacitor is to DC bus feedback energy, it needs to carry out boosting processing.
In conjunction with Fig. 3, the energy-saving distribution module in the energy saver of multi-connected machine team control type lift driving and controlling system of the present invention 11.The energy-saving distribution module 11 includes light-coupled isolation and two-way step down module 14.Wherein light-coupled isolation module ensures elevator letter The weak electric signal of number processing module 8 is not by the forceful electric power signal interference of super capacitor module 6;Two-way step down module 14 can guarantee super The smooth transfer of energy between electric capacity module 6.
Energy transmission pattern between super capacitor module 6 is accomplished that the on-demand energy between super capacitor module 6 passes It passs.The cathode of all super capacitor modules 6 is connected, each two super capacitor module 6 forms a unit, if super capacitor mould 6 total quantitys of group are odd number, then one unit of last group of self-contained.When a super capacitor module 6 has been in full power state but still In charged state, and with when another group of super capacitor module 6 is not in full power state in unit, elevator signal handles mould Block 8 will send a command to the two-way step down module 14 of energy-saving distribution module 11, be transmitted in the unit to realize energy;When a list Two 6 electricity of super capacitor module in member are full, then can connect the unit for realizing energy with adjacent unit by relay Between transmit.
As shown in figure 4, the two-way step down mould in the energy saver of multi-connected machine team control type lift driving and controlling system of the present invention Block 14.The two-way step down module is the transformation to buck circuit, and it is double that two buck circuits are synthesized an energy To the circuit of decompression, two buck circuits share an inductance, inductance need it is sufficiently large with this proof load electric current it is continuous and It pulses small;Fly-wheel diode controls the transmission direction of electric current;Relay module cuts off access, and circuit is realized by sending I/O signal Break-make.The anode of first super capacitor module 6 in one unit connects the first insulated gate bipolar crystal by relay module Pipe collector, the first insulated gate bipolar transistor transmitter connect the cathode of the first pin of inductance L, the first diode respectively, The second pin of inductance L connects the second insulated gate bipolar transistor emitter, the second diode cathode respectively, and the second insulated gate is double Bipolar transistor collector is connect by relay module with the anode of second super capacitor module 6 in the unit, two two poles The anode of pipe is connect with the cathode of two super capacitor modules 6, at two insulated gate bipolar transistor grids and elevator signal Module 8 is managed to connect.
In conclusion the strategy that super capacitor overflows energy is consumed by braking resistor in being different from the prior art, this Invention realizes the storage for overflowing energy by super capacitor module in parallel on demand;It, will not be right compared to the technology of electric energy feedback power grid Power grid causes higher hamonic wave to pollute.The present invention can be mounted on the multiple lift control system of the overwhelming majority, compare existing energy saving skill Art has higher efficiency of energy utilization and wider applicability, possesses broader foreground, and simple in structure flexible, Energy saving cost is further reduced, transformation and later stage repair and maintenance are easy to.

Claims (5)

1. a kind of energy saver of multi-connected machine team control type lift driving and controlling system, which is characterized in that including several bi-directional DC-DCs Module (5), several super capacitor modules (6), several monitoring data acquisition modules (7), energy-saving distribution module (11);Wherein
The collection terminal of each monitoring data acquisition module (7) connect with DC bus (13) both ends and at transmitting terminal and elevator signal Module (8) is managed to connect,
Each bi-directional DC-DC module (5) includes booster circuit and reduction voltage circuit,
The control terminal of booster circuit and reduction voltage circuit is connect with elevator signal processing module (8),
Energy-saving distribution module (11) includes two-way step down circuit,
Energy-saving distribution module (11) control terminal is connect with elevator signal processing module (8),
Cathode is connected between super capacitor module (6) and two super capacitor groups (6) form a capacitor cell, each super electricity Molar group (6) is connect by corresponding booster circuit and reduction voltage circuit with DC bus (13) both ends,
Anode between super capacitor module (6) is connected by corresponding two-way step down module;
The data of monitoring data acquisition module (7) acquisition include the speed, rotation direction and mechanical angle of traction machine, further include straight Flow the three-phase electricity electric current, super capacitor of busbar (13) both end voltage, each super capacitor mould (6) both end voltage, driving traction machine Module (6) charging and discharging currents information,
The booster circuit and reduction voltage circuit of bi-directional DC-DC module (5) are realized between super capacitor module (6) and DC bus (13) Energy work rate transmits,
The two-way step down circuit of energy-saving distribution module (11) realizes that the energy work rate of super capacitor module (6) part transmits.
2. the apparatus according to claim 1, which is characterized in that monitoring data acquisition module (7) includes encoder, Hall electricity Pressure sensor, Hall current sensor;Wherein
Encoder acquires speed, rotation direction and the mechanical angle of traction machine,
Hall voltage sensor acquires DC bus (13) both end voltage, each super capacitor mould (6) both end voltage,
Hall current sensor acquires the three-phase electricity electric current of driving traction machine, super capacitor module (6) charging and discharging currents information.
3. the apparatus according to claim 1, which is characterized in that bi-directional DC-DC module (5) further include light-coupled isolation module, Relay module;Wherein
Super capacitor module (6) is between booster circuit and relay module is arranged in DC bus (13) between reduction voltage circuit,
Booster circuit, reduction voltage circuit, relay module control terminal are connected by light-coupled isolation module and elevator signal processing module (8) It connects.
4. the apparatus according to claim 1, which is characterized in that each two-way step down module include relay module, two absolutely Edge grid bipolar transistor, inductance (L) and two diodes;Wherein
The anode of first super capacitor module (6) in one unit connects the first insulated gate bipolar crystal by relay module Pipe collector,
First insulated gate bipolar transistor transmitter connects the cathode of the first pin of inductance (L), the first diode respectively,
The second pin of inductance (L) connects the second insulated gate bipolar transistor emitter, the second diode cathode respectively,
Second insulated gate bipolar transistor collector passes through second super capacitor module (6) in relay module and the unit Anode connection,
The anode of two diodes is connect with the cathode of two super capacitor modules (6),
Two insulated gate bipolar transistor grids are connect with elevator signal processing module (8).
5. device according to claim 4, which is characterized in that two insulated gate bipolar transistor grids by optocoupler every It is connect with elevator signal processing module (8) from module.
CN201810495305.2A 2018-05-22 2018-05-22 The energy saver of multi-connected machine team control type lift driving and controlling system Pending CN108616158A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113224808A (en) * 2021-04-14 2021-08-06 钟亮 Novel elevator energy-saving device based on super capacitor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101567574A (en) * 2009-06-03 2009-10-28 王创社 Proportional balancing method for voltage of energy storage device and circuit
CN101976833A (en) * 2010-10-31 2011-02-16 华南理工大学 System and method for monitoring and managing electric energy of elevator group
CN103560667A (en) * 2013-09-10 2014-02-05 北京工业大学 Bidirectional power converter for vehicle hybrid energy storage system
CN105098967A (en) * 2015-08-07 2015-11-25 富华德电子有限公司 Elevator automatic rescuing and energy-saving device, elevator automatic rescuing and energy-saving control method and supercapacitor module
CN106276445A (en) * 2016-09-23 2017-01-04 南京理工大学 A kind of elevator drives control, energy saving integrated system and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101567574A (en) * 2009-06-03 2009-10-28 王创社 Proportional balancing method for voltage of energy storage device and circuit
CN101976833A (en) * 2010-10-31 2011-02-16 华南理工大学 System and method for monitoring and managing electric energy of elevator group
CN103560667A (en) * 2013-09-10 2014-02-05 北京工业大学 Bidirectional power converter for vehicle hybrid energy storage system
CN105098967A (en) * 2015-08-07 2015-11-25 富华德电子有限公司 Elevator automatic rescuing and energy-saving device, elevator automatic rescuing and energy-saving control method and supercapacitor module
CN106276445A (en) * 2016-09-23 2017-01-04 南京理工大学 A kind of elevator drives control, energy saving integrated system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113224808A (en) * 2021-04-14 2021-08-06 钟亮 Novel elevator energy-saving device based on super capacitor

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Application publication date: 20181002