CN107591864A - A kind of elevator energy recovery system based on intelligent super capacitor module - Google Patents
A kind of elevator energy recovery system based on intelligent super capacitor module Download PDFInfo
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- CN107591864A CN107591864A CN201710936502.9A CN201710936502A CN107591864A CN 107591864 A CN107591864 A CN 107591864A CN 201710936502 A CN201710936502 A CN 201710936502A CN 107591864 A CN107591864 A CN 107591864A
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Abstract
The invention discloses a kind of elevator energy recovery system based on intelligent super capacitor module, including multiple connected super capacitor modules, super capacitor module to be connected with CAN communication bus, and is connected by CAN communication bus with system control mainboard；Super capacitor module is connected by IGBT and driving and power inductance with D.C. contactor, and super capacitor module is also connected with electric life controller；Super capacitor module is also connected with single-phase inversion module, exports 220VAC.Display module, IGBT and driving and power inductance, D.C. contactor are connected in system control mainboard；Electric life controller is connected with D.C. contactor, and electric life controller is also associated with elevator input switch, and elevator input switch is connected by three-phase contactor with 380VAC input powers.The present invention can use more elevator customers accreditation elevator energy recovery system, promote the popularization of elevator energy recovery system to a certain extent.
Description
Technical field
The present invention relates to a kind of elevator energy retracting device, and in particular to by a kind of intelligent super capacitor module as energy storage
The elevator energy recovery system of unit.
Background technology
With the continuous development of elevator technology and power-saving technology, there is elevator energy recovery system in elevators field in recent years
System, its major function is that the electric energy that elevator potential energy is changed is reclaimed when elevator is in generating state, and is in power consumption in elevator
The electric energy secondary use that will have been reclaimed during state.Industry all uses super capacitor conduct in current elevator energy recovery system
Energy storage device, because elevator energy recovery system power difference used by super capacitor monomer capacity and string number also not phase
Together.
In the existing elevator energy recovery system in market, super capacitor module all be use common module, i.e., super electricity
Molar group only has monomer overvoltage discharge protection circuit.And this common modular fashion exists very in elevator energy recovery system
Big potential safety hazard.Super capacitor is as big energy type energy storage device, the pressure-resistant specified only 2.7V of monomer in itself, but energy
The charging or discharging current born is up to kiloampere on hundreds of.Application of the super capacitor in elevator energy recovery system is exactly that make use of it
Large current density electrical characteristics, when elevator is in generating state, its busbar voltage can be raised by elevator traction motor electricity pressure
To more than 700V, but the highest storage voltage of used super capacitor storage unit in elevator energy recovery system is 150V
~200V, when elevator is in generating state, elevator energy recovery system will will be up to 700V and the voltage of the above passes through BUCK
Reduction voltage circuit is charged to super capacitor, and generated energy will be stored in super capacitor by system in the finite time of Elevator power generation
In, the average value of its charging current is up to tens amperes, and its peak point current is up to hundreds of amperes.But in common super capacitor mould
The euqalizing current of overvoltage crowbar in group only has 1~5A, when the voltage of super capacitor monomer in part in module reaches 2.65V
When its corresponding monomer protection circuit start working, to beyond electricity discharge, ensure that its super capacitor monomer voltage limits
System is within 2.7V.But if when charging current is much larger than the discharge current of protection circuit, charging current is possible altogether will be super
Electric capacity monomer voltage is charged to more than 2.7V, and this phenomenon can reduce the service life of super capacitor module, and when charging electricity
When flowing through big, it is also possible to open the explosion-proof valve of super capacitor, cause the leakage of super capacitor monomer to damage, or even occur quick-fried
It is fried.
In elevator energy recovery system, because of the load-carrying difference of the elevator corresponding to reality, the i.e. work(of elevator traction motor
Rate is different, and the total capacity of the super capacitor module provisioned in system also differs.So in Practical Project, elevator energy recovery
Super capacitor module provisioned in system is probably the connection in series-parallel combination of multiple super capacitor modules differently.In this feelings
Under condition, because of the consistency problem of super capacitor monomer and the consistency problem of super capacitor submodule group, uniformity will necessarily be caused
Poor super capacitor monomer or submodule group premature breakdown, and in Practical Project, it is to pass through electricity to elevator energy recovery system
Terraced maintenance staff maintenance, but general elevator maintenance staff do not know about super capacitor this novel energy-storing element.So generally
In the case of if super capacitor storage unit damage after be all to change whole super capacitor module, this is just in Practical Project
The wasting of resources is caused, and the processing for the super capacitor module changed and one kind to natural environment pollute.
The protection scheme of super capacitor monomer protection circuit in existing elevator energy recovery system is to work as super capacitor
Super capacitor monomer is discharged using resistance when monomer voltage is higher than 2.65V, by its unnecessary electrical transformation into heat simultaneously
It is dispersed into place.It is dirty that actually this super capacitor overvoltage protection scheme also result in certain heat to place in itself
Dye, and this mode also limit the limitation for the peak efficiency that elevator energy recovery system reclaims to electricity.Because inherently
Some recovery electric energy becomes heat by super capacitor monomer protection circuit.
According to above present situation, in elevator energy recovery system, how peak efficiency utilizes super capacitor moduleHow
Ensure that the service life of super capacitor monomer and submodule group reaches the super capacitor due life-span itselfHow super capacitor is allowed to exist
Matching combination in elevator energy recovery system is more flexible, more intelligentHow to allow super capacitor and module working condition and
Service life state more intuitively shows, and allows elevator maintenance staff to be easier to understand super capacitor and module situationHow to reduce
The wasting of resources caused by during system maintenance and natural environment pollutionEtc. this series of problems be all us in research elevator energy
It should consider during recovery system and progressively solve.
The content of the invention
The purpose of the present invention is that for the existing issue and technical bottleneck in above elevator energy recovery system, research
A kind of intelligent super capacitor module realizes the free connection in series-parallel combination of more modules, and distributes module Hardware I P address automatically, realizes super
Energy moving type balanced way between level electric capacity monomer and submodule group, high current can be adapted to automatically by ensureing the euqalizing current of module
Discharge and recharge and the utilization rate and the service life of protection super capacitor for improving super capacitor.And reclaimed in existing elevator energy and be
Unite and realize elevator energy recovery system mainboard to be equipped with a kind of special communication mode between intelligent super capacitor module substantially
With the automatic communication of super capacitor storage unit, the various main of each monomer of super capacitor storage unit or submodule group is gathered in real time
Parameter, and included the major parameter of super capacitor on system display by the certain number subalgorithm of system board, realize
Real-time human-computer interaction function, there is provided give foundation of the elevator maintenance staff as system maintenance and maintenance.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of elevator energy recovery system based on intelligent super capacitor module, including multiple connected super capacitor moulds
Group, super capacitor module are connected with CAN communication bus, and are connected by CAN communication bus with system control mainboard；Super electricity
Molar group by IGBT and driving and power inductance be connected with D.C. contactor, super capacitor module also with electric life controller phase
Even；Super capacitor module is also connected with single-phase inversion module, exports 220VAC.
Display module, IGBT and driving and power inductance, D.C. contactor are connected in system control mainboard；
Electric life controller is connected with D.C. contactor, and electric life controller is also associated with elevator input switch, and elevator input is opened
Pass is connected by three-phase contactor with 380VAC input powers.
A kind of elevator energy recovery system based on intelligent super capacitor module, including super capacitor monomer voltage detection electricity
Road, protection circuit of super capacitor monomer, the secondary transformer type energy of super capacitor monomer packet type move active equalization electricity
Circuit, the intelligent onboard switch of module occur for road, super capacitor packet voltage detecting circuit, super capacitor packet PWM waveform
Power supply, module single chip circuit, module Hardware I P address automatic distribution circuit, module CAN communication circuit, LED indicating circuit, mould
Group active equalization power supply input circuit, 220V inversion modules, wide-voltage range system power supply, IGBT drive module, LED are digital aobvious
Show module, BUCK/BOOST conversions inductance, mainboard DSP control system, mainboard CAN communication module, mainboard voltage detecting system, electricity
Flow detecting system, power supply self-locking system, accessory power supply output control system, in addition to input three-phase contactor, 24V dc bus
Control contactor, high-power IGBT module, input/output and energy storage connection air switch, system switching.The super capacitor list
Bulk voltage detection circuit detects the voltage between super capacitor monomer both positive and negative polarity in real time；The super capacitor monomer once protects electricity
Road is protection circuit when super capacitor monomer voltage detection electric circuit inspection is higher than 2.65V to super capacitor monomer voltage
First corresponding super capacitor monomer is discharged with 1~2A low current, this is in low current charge or the faint overvoltage of super capacitor
When a kind of buffer protection mode, once protect no pulse electric current to produce, protect the functional reliability of system board；It is described super
The effect that the secondary transformer type energy of electric capacity monomer packet type moves active equalization circuit is that super capacitor monomer once protects electricity
After the work of road, when charging current is still above 2A, second energy moving type active equalization circuit is by elevator energy recovery system
The super capacitor packet minimum to voltage is charged after the 24V DC voltages isolation pressure regulation that mainboard is sent, and reaches each point of reduction
The purpose of voltage difference between group, while secondary euqalizing current can reach more than 10A, because employing the electromagnetic conversion of transformer
Mode, it is low compared to its loss for the balanced way of conductive discharge, while reached the purpose for improving elevator energy organic efficiency；
The effect of the super capacitor packet voltage detecting circuit is to detect the total voltage of each packet in real time, and voltage signal is sent into mould
Group single chip circuit carries out Digital Signal Processing, the logic basis as the work of secondary equalizing circuit；The super capacitor packet
The effect that circuit occurs for PWM waveform is to produce the 30KHz complementary PWM ripples driving secondary transformer type of super capacitor monomer packet type
Energy moves the metal-oxide-semiconductor in equalizing circuit, realizes switch control；The effect of the onboard Switching Power Supply of intelligent module be by
The 12V DC voltage isolation that elevator energy recovery system mainboard is sent is converted to the work electricity that each submodular circuits need on module
Pressure, there is provided to each submodular circuits on super capacitor module；The effect of the module single chip circuit is to realize numeral letter
Number processing, and control according to component logic the logic working of each submodular circuits；The module Hardware I P address distributes electricity automatically
The effect on road is the hardware logic combination for using signal input/output interface for each super capacitor module in system
Automatically an IP address is distributed, and this IP address is sent to the I/O port pin of uniset in a manner of parallel digital signal, is
Make the address of this super capacitor module in the entire system；The module CAN communication circuit is led to using the CAN2.0B of isolation
News mode is realized two-way between each super capacitor module and between super capacitor module and elevator energy recovery system mainboard
Communication；The effect of the LED indicating circuit is to indicate each super capacitor monomer protection electricity of current module with the plain mode of LED
Road and the working condition of super capacitor monomer packet second protection circuit, facilitate system debug and maintenance circuit；The module master
It is to receive the 24V DC voltages that elevator energy recovery system mainboard is sent to move balanced power supply input circuit, will be to this power supply again
Secondary progress EMC processing, prevents the power supply disturbance between super capacitor module and system board；The 220V inversions are met an urgent need module,
Using the DC voltage of intelligent super capacitor module be reverse into 220V AC voltage elevator system as elevator control cabinet inside
Low-voltage power supply；The wide-voltage range system power supply, using Switching Power Supply mode, input voltage range can reach 70V~200V.
The IGBT drive module is made up of bootstrap power supply, drive circuit, coordinates BUCK/BOOST conversion inductance to realize stepping functions.
The LED charactrons display module, LED digital display screens, voltage-stabilized power supply, single-chip microcomputer, communicating circuit, digital drive circuit group
Into the presentation of information of responsible system.The BUCK/BOOST conversions inductance uses high-power EE magnetic cores and multiply enamel-covered wire coiling,
Realize buck energy conversion.The DSP control system uses TMS320F28335 digital signal processing chips, realizes that mainboard is each
The signal transacting of individual unit and various controls.The mainboard CAN communication module, realize mainboard and display module and the super electricity of intelligence
Digital communication between molar group energy-storage module.The voltage detecting system, realized using linear optical coupling isolation technology to system
The accurate detection of bus and super-capacitor voltage, and given DSP and carry out Digital Signal Processing.The current detecting system,
For realizing current detecting during BUCK/BOOST voltage conversions, and judge charging and discharging state, be sent to DSP and carry out at signal
Reason.The power supply self-locking system, locking power supply is controlled by external power source and internal intelligent super capacitor by DSP after system boot
Module two-way is powered simultaneously, ensures that system can continue normal work after grid power blackout, realize system during elevator emergency flat bed
Power supply.The accessory power supply output control system, the power supply of outside each submodule is disconnected before system boot, ensures main board system
The smooth startup of power supply, after all circuits all working stabilities on system board power initiation and system board, sent by DSP
Control signal control relay connects the power supply of each submodule.
Preferably, super capacitor monomer used in the intelligent super capacitor module is the super of 600F or 3000F
Level electric capacity monomer.
Preferably, the super capacitor monomer voltage detection circuit uses TL431 reference voltage chips, its cost is low,
Circuit reaction is fast.
Preferably, described protection circuit of super capacitor monomer using metal-oxide-semiconductor and power resistor electric discharge by the way of, its
Cost is low, circuit functional reliability is high.
Preferably, the secondary transformer type energy of super capacitor monomer packet type moves active equalization circuit, use
Push-pull type switch transformer is as electromagnetic conversion device, and its operating efficiency is high, and output current is big.
Preferably, circuit, which occurs, for the super capacitor packet PWM waveform uses EG3525 chips, its integrated level is high, electricity
Road reliable operation.
Preferably, the module single chip circuit uses MCS08DZ60 single-chip microcomputers, it carries CAN communication module and ADC
Module, integrated level is high, and chip stability is good.
Preferably, the module Hardware I P address automatic distribution circuit communication interface input/output cascade system is hard
Part mode, when module connection in series-parallel cascades, module matches somebody with somebody different Hardware I P for this mould splits automatically according to the sequencing of cascade
Address.
Preferably, the module CAN communication circuit is powered using isolation method, each module of different voltage platforms is realized
Between digital communication.
Preferably, the module active equalization power supply input circuit will be designed with power supply EMC process circuits, intelligence is prevented
Power supply disturbance between super capacitor module and elevator energy recovery system mainboard.
Preferably, the 220V inversion modules are directly by the DC voltage inversion of intelligent super capacitor module energy-storage units
And elevator control cabinet is sent to by A.C. contactor after isolating.
Preferably, the input voltage range of the wide-voltage range system power supply will be designed direct current 70V~200V's
Scope.
Preferably, the BUCK/BOOST conversions inductance uses high-power EE magnetic cores and multiply enamel-covered wire coiling.
Preferably, the mainboard DSP control system uses TMS320F28335 digital signal processing chips, chip uses
4 level production line modes, its arithmetic speed is fast, and reliability is high.
Preferably, the mainboard voltage detecting system uses linear optical coupling detection mode, its cost is low, and circuit safety can
Lean on.
Compared with prior art, the advantage of the invention is that：On the one hand surpass used by existing elevator energy recovery system
Level electric capacity module is common super capacitor module, and its function is single, and equalizing circuit is only balanced to super capacitor monomer voltage, and
And balanced way is resistance discharging mode, euqalizing current only has 1~5A, and such super capacitor module should return in elevator energy
In receipts system, because euqalizing current only has 1~5A, but the charging current when elevator is in generating state is up to good dozens of Ann
Training even hundreds of amperes, when super capacitor monomer is full of, because euqalizing current with charging current differ too big, so mutually equilibrium is electric
The effect unobvious on road.Again because the balanced way of common super capacitor module is directly to be released electricity conversion into heat energy using resistance
Place is put into, so in this case, limiting the efficiency of elevator energy recovery system, while also makes super capacitor mould
Pool-size maximum cannot utilize, and it is balanced when caused heat be also a kind of thermal pollution to natural environment.The opposing party
Common super capacitor module does not all have module signal collection and communication system used by the existing elevator energy recovery system in face,
In this case, after system comes into operation, system can not judge the working condition and performance condition of super capacitor module.When super
Level electric capacity when being damaged during long-term use, it is usually because the consistency problem of super capacitor monomer cause it is a certain
Super capacitor monomer premature breakdown, but general elevator service personnel does not know about the physical property of super capacitor substantially, plus elevator
Energy-recuperation system does not possess the function of checking and judge super capacitor module and free state and performance in itself yet, it is impossible to for electricity
Ladder maintenance people do not provide any useful reference information, so in actual items, after super capacitor module damages, repairs people
Member is all to replace whole super capacitor module, and the bad super capacitor module gained is generally also reported after returning factory
Useless processing.This result causes the very big wasting of resources, while also increases the use cost of user, reduces user
The organic efficiency of cost, the investment risk of user is added, this is also one that current elevator energy recovery system is difficult to popularize
Realistic problem.The processing of scrapping to bad module also causes certain pollution to natural environment simultaneously.And the present invention is exactly mainly
The research and development problem that is specially proposed for these practical problems in the presence of existing elevator energy recovery system has simultaneously carried out skill
Art is realized, while concrete application has also been obtained in project is realized, achieves relatively good effect.In the present invention, super
Two-stage equilibrium means are employed in electric capacity module energy-storage units, the first order is the conductive discharge as common super capacitor module
Formula super capacitor monomer equalizing circuit, but monomer euqalizing current is designed in the present invention it is smaller, because not acting on not
It is the equalization concept in common module, effect is that the impulse type voltage reflected to pulse current on super capacitor makees one
Fixed buffering proportionality action, and be not to make equilibrium to burning voltage, the overall heat condition of such super capacitor module is relative
Substantially reduced for common super capacitor, while the loss to reclaiming electricity is also largely reduced, and is come relatively
Say and the utilization rate of super capacitor module capacity is improved.Certain several super capacitor conduct in super capacitor module simultaneously
One group, whole super capacitor module be divide into multiple packets, and the energy for employing transformer mode to each packet is moved
Formula active equalization, the principle of this balanced way are to realize that electromagnetic energy is changed using transformer to remove the high panel voltage of voltage
The low electricity group voltage of voltage is moved on to, the loss of transformer mode is very low, relative almost to can be ignored with normal equalizer mode,
So the utilization rate and elevator energy organic efficiency of super capacitor capacity are further improved in systems.The present invention exists simultaneously
Each submodule group is tied using hardware mode automatically in super capacitor module and distributes IP address, in actual items, elevator energy recovery
The energy-storage units of system are all used using multiple super capacitor submodule groups by series connection and parallel combination, when multiple submodule groups
Cascade is in use, each super capacitor module distributes an IP being located at using situation of the hardware mode automatically according to cascade to oneself
Address, information all is sent with the IP address of oneself so in system communication, elevator energy recovery system mainboard is with regard to that can pass through
IP address identifies all information of each submodule group and carries out correct Digital Signal Processing.In the present invention, each super electricity
The real-time status and performance for holding submodule group convert thereof into digital information simultaneously by the single-chip microcomputer in modular circuit and auxiliary circuit
Make to send system board to by connection after certain Digital Signal Processing, system board makees numeral again according to system logic
These presentation of information are realized into man-machine interaction on LED nixie displays after processing, there is provided make to user and elevator service personnel
To refer to and repairing foundation, for the relatively existing elevator energy recovery system of this aptitude manner, reduce the wasting of resources, reduce
User cost, reduce customer investment risk, avoid because whole super capacitor module scrapping processing the nature that brings
Environmental pollution.The various advantages of the comprehensive present invention, more elevator customers accreditation elevator energy recovery system can be used, certain
Promote the popularization of elevator energy recovery system in degree.
Brief description of the drawings
Accompanying drawing 1 is the block diagram of system of the invention；
The intelligent super capacitor module composition frame chart of accompanying drawing 2；
The transformer balance module circuit theory diagrams of accompanying drawing 3.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is done further retouched in detail below
State.
With reference to accompanying drawing 1 (block diagram of system), a kind of elevator energy recovery system bag based on intelligent super capacitor module
Include：Intelligent super capacitor module, 220V inversion modules, wide-voltage range system power supply, IGBT drive module, LED digital-scroll techniques
Module, BUCK/BOOST conversions inductance, mainboard DSP control system, mainboard CAN communication module, mainboard voltage detecting system, electric current
Detecting system, power supply self-locking system, accessory power supply output control system, three-phase contactor, 24V dc bus control contactor,
High-power IGBT module.The three-phase contactor is the input of system power supply, and wherein two-phase 380V alternating voltages are connected to three-phase
The control coil of contactor, the three-phase contactor adhesive when power network normal power supply, normally opened contact closure, power network three-phase electricity are supplied to
Electric life controller.During system worked well, after grid power blackout, the 220V alternating currents of inversion module work output pass through
Outside isolating transformer or circuit breaker are sent to the low-voltage circuit power supply of elevator control cabinet, protect the control section energy of elevator control cabinet
Normal work.The effect of the direct-current voltage reducing circuit is that the DC voltage that the high direct voltage on dc bus is converted into 350V carries
Supply inverter module.The function of the inversion module is when grid power blackout, after by the control of system board, BOOST is boosted
DC bus-bar voltage is reverse into 220V alternating voltage after being depressured again is supplied to the low pressure power unit of electric life controller；It is described
Intelligent super capacitor module by 500F or 3000F the monomer series-connected store function for forming, realizing energy regenerating of super capacitor.Institute
The function of stating IGBT is to realize the switch control in BUCK and BOOST circuits.The IGBT drive circuit is by bootstrap power supply, isolation
It is the pwm signal control that reception system mainboard is sent that type driving chip, which forms its effect, is realized in BUCK and BOOST circuits
IGBT effective driving；The power conversion inductance is mainly the electromagnetic conversion for realizing BUCK and BOOST circuits, and this inductance uses
High-power EE magnetic cores and multiply enamel-covered wire coiling form, and its high frequency characteristics is good, high conversion efficiency；The display module uses LED
Nixie display, it is to realize in a manner of numeral to show on LED nixie displays each major parameter of system that it, which is acted on,
Come, understand system instantaneous operating conditions for equipment user or operating personnel.The effect of the CAN communication module is to realize system master
The plate also digital communication between intelligent super capacitor module, mutually transmit the various real-time parameters of super capacitor.
Mainly include with reference to the intelligent super capacitor module of accompanying drawing 2 (the intelligent super capacitor module composition frame chart) present invention：
Power circuit, super capacitor monomer, super capacitor monomer equalizing circuit, super capacitor packet equalizing circuit, single-chip microcomputer numeral letter
Number process circuit, voltage collection circuit, temperature collection circuit, CAN communication circuit, Hardware I P address automatic distribution circuit.It is described
Power circuit is to provide the power supply of each unit circuit on intelligent super capacitor module；The super capacitor monomer by 500F or
3000F super capacitor monomer composition；The effect of the super capacitor monomer equalizing circuit is the voltage when corresponding super capacitor
When charging reaches more than 2.7V, circuit is fallen unnecessary electric quantity consumption using discharge resistance, protects super electricity to a certain extent
Hold the service life of monomer；The super capacitor packet equalizing circuit uses transformer balanced way, efficient by high voltage
Divide this electricity to move low-voltage by way of transformer uses electromagnetic conversion to be grouped；The single-chip microcomputer Digital Signal Processing
Circuit is using MC9S12DJ64 chips as processor core, and its stability is good, and functional integration is high, built-in CAN communication function；Institute
State voltage collection circuit and super capacitor module voltage is used using electric resistance partial pressure mode, and be sent to the AD input ports of single-chip microcomputer；Institute
The relative temperature that temperature collection circuit uses super capacitor by the way of NTC temperature and resistances and precision resister partial pressure is stated, and
It is sent to the AD input ports of single-chip microcomputer；The CAN communication circuit is to realize isolated form CAN communication, ensures each intelligent super capacitor mould
Digital communication between group and with elevator energy recovery system mainboard；The effect of the Hardware I P address distributor circuit
When, when the energy-storage units of elevator energy recovery system are made up of multiple intelligent super capacitor modules, Hardware I P address distribution electricity
The actual conditions that road cascades according to module are one unique IP address of this module assignment automatically.
With reference to being transformer balance module circuit theory diagrams in accompanying drawing 3 (transformer balance module circuit theory diagrams) figure, scheme
Middle T1 is equalizer transformer, and its effect is to realize electromagnetic conversion, and its input direct voltage is grouped from high-tension super capacitor.
D1 and C52 composition current rectifying and wave filtering circuits, effect is that the high-frequency ac voltage after transformer is changed is converted into DC voltage and filtered
Charged after ripple to the super capacitor that low-voltage is grouped.Q1, Q2 are switch metal-oxide-semiconductor, collectively constitute push-pull type with equalizer transformer and open
Powered-down road, high frequency electromagnetic energy is provided for transformer equalizing circuit.U1 uses EG3525 and aided in make acp chip with its periphery
Element collectively constitutes PWM generation circuits, and PWM drive signal is provided for Q1, Q2.
Above is a kind of elevator energy recovery system based on intelligent super capacitor module provided by the present invention is carried out
Exhaustive presentation, specific case used herein are set forth to the principle and embodiment of the present invention, above example
Explanation be only intended to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes, to change of the invention and change in specific embodiments and applications
It will be possible to enter, and without the spirit and scope beyond accessory claim defined, in summary, this specification content is not
It is interpreted as limitation of the present invention.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferable embodiment, embodiments of the present invention are simultaneously not restricted to the described embodiments, it should be appreciated that people in the art
Member can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in principle disclosed in the present application
Within scope and spirit.
Claims (10)
- A kind of 1. elevator energy recovery system based on intelligent super capacitor module, it is characterised in that：Surpass including multiple connected Level electric capacity module, super capacitor module is connected with CAN communication bus, and passes through CAN communication bus and system control mainboard phase Even；Super capacitor module by IGBT and driving and power inductance be connected with D.C. contactor, super capacitor module also with elevator Controller is connected；Super capacitor module is also connected with single-phase inversion module, exports 220VAC；Display module, IGBT and driving and power inductance, D.C. contactor are connected in system control mainboard；Electric life controller is connected with D.C. contactor, and electric life controller is also associated with elevator input switch, and elevator input switch leads to Three-phase contactor is crossed to be connected with 380VAC input powers.
- 2. the elevator energy recovery system according to claim 1 based on intelligent super capacitor module, it is characterised in that：The super capacitor module includes super capacitor monomer voltage detection circuit, super capacitor monomer protection circuit, surpassed The level secondary transformer type energy of electric capacity monomer packet type moves active equalization circuit, super capacitor packet voltage detecting circuit, surpasses Circuit, the intelligent onboard Switching Power Supply of module, module single chip circuit, module Hardware I P occur for level electric capacity packet PWM waveform Address automatic distribution circuit, module CAN communication circuit, module active equalization power supply input circuit, 220V inversion modules, Width funtion Range systems power supply, IGBT drive module；The elevator energy recovery system based on intelligent super capacitor module also includes LED Digital display module, BUCK/BOOST conversions inductance, mainboard DSP control system, mainboard CAN communication module, mainboard voltage detection System, current detecting system, power supply self-locking system, accessory power supply output control system, input three-phase contactor, 24V direct currents are female Line traffic control contactor, high-power IGBT module, input/output and energy storage connection air switch, system switching；Described protection circuit of super capacitor monomer is when super capacitor monomer voltage detects electric circuit inspection to super capacitor list When bulk voltage is higher than 2.65V, one time protection circuit is first discharged corresponding super capacitor monomer with 1~2A low current；It is described The effect that the secondary transformer type energy of super capacitor monomer packet type moves active equalization circuit is the 24V direct currents for sending mainboard The super capacitor packet minimum to voltage is charged after voltage isolation transformation, reaches the mesh for reducing the voltage difference between each packet 's；The effect that circuit occurs for the super capacitor packet PWM waveform is to produce 30KHz complementary PWM ripples driving super capacitor list The secondary transformer type energy of body packet type moves the metal-oxide-semiconductor in equalizing circuit, realizes switch control；The module single chip circuit Effect be to realize Digital Signal Processing；The effect of the module Hardware I P address automatic distribution circuit be using signal input/ The hardware logic combination of output interface is that each super capacitor module in system distributes an IP address automatically；It is described 220V inversions are met an urgent need module, using the DC voltage of intelligent super capacitor module be reverse into 220V AC voltage elevator system as Low-voltage power supply inside elevator control cabinet；The wide-voltage range system power supply, using Switching Power Supply mode, input voltage range It can reach 70V~200V；The IGBT drive module is made up of bootstrap power supply, drive circuit, coordinates BUCK/BOOST conversion electricity Stepping functions are realized in sense；The LED charactrons display module, LED digital display screens, voltage-stabilized power supply, single-chip microcomputer, communication electricity Road, digital drive circuit composition, it is responsible for the presentation of information of system；The BUCK/BOOST conversions inductance uses high-power EE magnetic cores With multiply enamel-covered wire coiling, buck energy conversion is realized；The DSP control system is using at TMS320F28335 data signals Chip is managed, realizes the signal transacting of mainboard unit and various controls；The mainboard CAN communication module, realize mainboard with showing Show the digital communication between module and intelligent super capacitor module energy-storage module；The voltage detecting system, using linear optical coupling Isolation technology realizes the accurate detection to system busbar and super-capacitor voltage, and is given DSP and carry out Digital Signal Processing.
- 3. the elevator energy recovery system according to claim 2 based on intelligent super capacitor module, it is characterised in that：Institute It is double layer capacitor to state the ultracapacitor in super capacitor module；The 220V inversions meet an urgent need module input voltage be 350V DC voltages；The input voltage range of the wide-voltage range system power supply is 70V~200V.
- 4. the elevator energy recovery system according to claim 2 based on intelligent super capacitor module, it is characterised in that：Institute State LED nixie displays to be installed on system chassis panel, there is provided human-computer interaction interface；The BUCK/BOOST conversions inductance is adopted With high-power EE magnetic cores and multiply enamel-covered wire coiling；Single-chip microcomputer in the single-chip computer control system uses MC9S12DJ64 monolithics Machine.
- 5. the elevator energy recovery system according to claim 2 based on intelligent super capacitor module, it is characterised in that：Institute Voltage detecting system is stated, the accurate detection to system busbar and super-capacitor voltage is realized using linear optical coupling isolation technology；Institute Accessory power supply output control system is stated using triode as output control switch device.
- 6. the elevator energy recovery system according to claim 2 based on intelligent super capacitor module, it is characterised in that：Institute The capacity for stating super capacitor monomer is 500F or 3000F super capacitor monomer.
- 7. the elevator energy recovery system based on intelligent super capacitor module according to claim 1,2 or 6, its feature exist In：Super capacitor storage unit in the intelligent super capacitor module is using multigroup submodule group serial or parallel connection and its mixing Mode combines.
- 8. the elevator energy recovery system according to claim 2 based on intelligent super capacitor module, it is characterised in that：Institute State secondary transformer type energy and move active equalization circuit, it is balanced using the coiling of PQ3535 magnetic cores using push-pull type on-off circuit Transformer.
- 9. the elevator energy recovery system according to claim 1 based on intelligent super capacitor module, it is characterised in that：Institute Module Hardware I P address automatic distribution circuit is stated, by the way of signal wire input and output misplace connection combination.
- 10. the elevator energy recovery system according to claim 1 based on intelligent super capacitor module, the DSP controls System is using TMS320F28335 digital signal processing chips as core digital signal processing chip.
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