CN206538078U - Flywheel energy storage energy saving system of elevator - Google Patents
Flywheel energy storage energy saving system of elevator Download PDFInfo
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- CN206538078U CN206538078U CN201720132222.8U CN201720132222U CN206538078U CN 206538078 U CN206538078 U CN 206538078U CN 201720132222 U CN201720132222 U CN 201720132222U CN 206538078 U CN206538078 U CN 206538078U
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- elevator
- energy storage
- flywheel
- control system
- energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The utility model discloses a kind of flywheel energy storage energy saving system of elevator, including flywheel energy storage unit, power cell, control system, guidance panel, described power cell is electrically connected with flywheel energy storage unit, control system, control system is electrically connected with flywheel energy storage unit, control system is provided with guidance panel, and guidance panel is provided with keypad and industrial computer；Elevator motor is connected by inverter, rectifier and power line, and capacitor is provided between inverter and rectifier；Power cell is electrically connected by capacitor, inverter with elevator motor.The system is released energy when elevator absorbs energy by setting flywheel energy storage unit, energy is absorbed during lift energy feedback, and the energy regenerating of elevator feedback is recycled, and is reached energy-conservation and is mitigated the purpose of network load；Serve as stand-by power supply in power network catastrophic failure, it is ensured that elevator it is safe and reliable.
Description
Technical field
The utility model is related to electrical control gear, specifically a kind of flywheel energy storage energy saving system of elevator.
Background technology
Elevator is a potential energy loading high.In order to reduce dragging load, the power of elevator motor is reduced, the car of elevator is all
Equipped with counterbalancing block.The weight of counterbalancing block is generally equivalent to weight during 50% nominal load of car weight.When the two it
Between when having of poor quality, elevator lifting will cause the change of mechanical potential energy.When wherein the heavily loaded up and underloading of elevator is descending, electricity
Terraced motor absorbs energy from power network, and dragging elevator increases the mechanical potential energy of elevator；Elevator startup optimization reaches highest operation speed
There is maximum mechanical kinetic energy, elevator progressively to slow down untill elevator stop motion before reaching destination after degree, this
Process also elevator discharge mechanical kinetic energy process, when elevator underloading is up or heavily loaded descending, running needs to make mechanical gesture
It can reduce, elevator machine potential energy is converted to electric energy by traction machine, traction machine is in generating state.Traction machine power generation process is produced
Electric energy need timely processing, not so have serious harm to traction machine.For AC frequency conversion elevator, the production of traction machine power generation process
Raw electric energy is reversed back to by the three-phase IGBT inverter bridges of frequency converter inside the DC terminal of frequency conversion, storage to DC capacitor, and
The finite capacity of DC capacitor, when the electric energy that traction machine is produced is sufficiently large, more than the capacity of DC capacitor, makes DC bus-bar voltage
It is too high, frequency converter will be caused damage when serious, and cause the expendable failure of elevator, so the electric energy part having more must disappear
Consume.
Most of elevator of Current Domestic carries out dynamic braking in braking procedure using braking resistor, simultaneously because
The generation of amount of heat in braking procedure and have to once set the heat dissipation equipments such as air-conditioning in elevator(lift) machine room, this is just further increased
The waste of electric energy and the operation cost of elevator.Therefore vast elevator customer is highly desirable has a kind of device to recycle electricity
The energy produced in terraced braking procedure, reduces the waste of the energy.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of flywheel energy storage energy saving system of elevator, and the system is provided with winged
Energy-storage units are taken turns, is released energy when elevator absorbs energy, energy is absorbed during lift energy feedback, the energy of elevator feedback is returned
Receive and recycle, reach energy-conservation and mitigate the purpose of network load；Stand-by power supply is served as in power network catastrophic failure, it is ensured that elevator
It is safe and reliable.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：
A kind of flywheel energy storage energy saving system of elevator, including flywheel energy storage unit, power cell, control system, guidance panel,
Described power cell is electrically connected with flywheel energy storage unit, control system, and control system is electrically connected with flywheel energy storage unit, control
System is provided with guidance panel, and guidance panel is provided with keypad and industrial computer；Elevator motor is connected by inverter, rectifier and power line
Connect, capacitor is provided between inverter and rectifier；Power cell is electrically connected by capacitor, inverter with elevator motor.
Flywheel energy storage unit is provided with rotor-support-foundation system, conversion energy system；Rotor-support-foundation system is provided with flywheel body；Flywheel body by
Carbon fiber composite rotors, passive magnetic bearing, high-speed permanent magnet motor composition, wherein carbon fiber composite rotors has high intensity, tension
The characteristics of stretching；Passive magnetic bearing is magnetic levitation technology, no control unit, not power consumption, zero abrasion, and 20 years non-maintaining；Change energy
System is provided with high-speed permanent magnet motor, and it can reach higher rotation speed, efficiency high.
Flywheel energy storage unit has two parameters of charge threshold and discharge threshold, can be configured according to actual conditions, simultaneously
Flywheel controller has embedded optimized algorithm, possesses threshold adaptive adjustment function, it is ensured that flywheel can store at any time and
Release regeneration energy, and energy-saving benefit is reached most preferably.
Power cell, is inversion, rectification four-quadrant reversible operation, completes the bi-directional conversion of electric energy and kinetic energy.
Control system, operates the start and stop of flywheel, and after fly wheel start-up completes to enter recovery district, flywheel just can coordinate elevator certainly
It is dynamic to complete charge/discharge operation.When system breaks down, flywheel can slide shutdown, and can also be manipulated by system enters flywheel
Enter BREAK patterns and intervene shutdown manually.Control system can gather temperature, pressure and the rate signal of flywheel body and carry out phase
Close operation.Control system can carry out discharge and recharge by gathering DC bus-bar voltage driving power unit.
Guidance panel, including keypad and industrial computer, can give control system input instruction, control system by guidance panel
The signal that can be collected is included on industrial computer.
Using the utility model of above-mentioned technical proposal, compared with prior art, the characteristics of it is protruded is：
(1) due to flywheel energy storage unit in the form of mechanical kinetic energy storage energy, by motor discharge and recharge, not only have
Good power characteristic and high-energy conversion efficiency, and without the limitation of discharge and recharge number of times, so the efficient, long-life can be reached
Purpose.
(2) flywheel energy storage unit can function simultaneously as energy recovery unit when elevator machine can discharge, accessory power supply and
Stand-by power supply, three kinds of functions are realized with set of device, system architecture is become simple；Save the cost and maintenance expense of equipment
With.
(3) during elevator motor driving operation, especially need to absorb larger power, flywheel energy storage unit in startup stage
Power network driving elevator motor is assisted as accessory power supply, the influence to power network when elevator starts is alleviated, improves the steady of power network
It is qualitative.
(4) energy feedback when elevator motor brakes are run, flywheel energy storage unit is fully absorbed back as energy recovery unit
The energy of feedback is stored；Having reached in the purpose of energy-conservation, elevator device no longer needs traditional energy bleed-off circuit.
(5) flywheel energy storage unit is with mechanical kinetic energy form storage energy, and stored energy capacitance will not increasing with discharge and recharge number of times
And reduce, and the energy of storage is easily measured, and is easy to the design of control system.
(6) flywheel energy storage unit is free of harmful substance, environmentally safe.
Further optimal technical scheme is as follows：
Flywheel energy storage unit is provided with sensor, and sensor electrically connects with control system, and sensor is by the flywheel detected
Temperature, pressure and rate signal are transferred to control system.
By setting sensor, automaticity, convenience and the performance timely responded to of the system control can be increased.
Failure dry contact is provided between power cell and control system, fault message passes through dry during power cell failure
Contact is transferred to control system, and makes associative operation by control system.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is energy hole conversion figure；
Description of reference numerals：1- rectifiers；2- capacitors；3- inverters；4- elevator motors；5- power cells；
6- contactors；7- flywheel energy storage units；8- control systems；9- keypads；10- industrial computers.
Embodiment
With reference to embodiment, the utility model is further illustrated.
Referring to Fig. 1, Fig. 2, a kind of flywheel energy storage energy saving system of elevator is by flywheel energy storage unit 7, power cell 5, control
System 8, guidance panel composition, power cell 5 are electrically connected with flywheel energy storage unit 7, control system 8, control system 8 and flywheel energy storage
Unit 7 is electrically connected, and control system 8 is provided with guidance panel, and guidance panel is provided with keypad 9 and industrial computer 10；Elevator motor 4 is by inverse
Become device 3, rectifier 1 to be connected with power line, capacitor 2 is provided between inverter 3 and rectifier 1；Power cell 5 passes through capacitor
2nd, inverter 3 is electrically connected with elevator motor 4.
Flywheel energy storage unit 7 is provided with rotor-support-foundation system, conversion energy system；Rotor-support-foundation system is provided with flywheel body；Flywheel body
It is made up of carbon fiber composite rotors, passive magnetic bearing, high-speed permanent magnet motor, wherein carbon fiber composite rotors has high intensity, resisted
The characteristics of stretching；Passive magnetic bearing is magnetic levitation technology, no control unit, not power consumption, zero abrasion, and 20 years non-maintaining；Change energy
Amount system is provided with high-speed permanent magnet motor, and it can reach higher rotation speed, efficiency high.
Flywheel energy storage unit 7 has two parameters of charge threshold and discharge threshold, can be configured according to actual conditions, simultaneously
Flywheel controller has embedded optimized algorithm, possesses threshold adaptive adjustment function, it is ensured that flywheel can store at any time and
Release regeneration energy, and energy-saving benefit is reached most preferably.
Power cell 5, is inversion, rectification four-quadrant reversible operation, completes the bi-directional conversion of electric energy and kinetic energy.
Control system 8, operates the start and stop of flywheel, and after fly wheel start-up completes to enter recovery district, flywheel just can coordinate elevator
It is automatically performed charge/discharge operation.When system breaks down, flywheel can slide shutdown, and can also be manipulated by system 8 makes to fly
Wheel intervenes shutdown manually into BREAK patterns.Control system 8 can gather temperature, pressure and the rate signal of flywheel body simultaneously
Carry out associative operation.Control system 8 can carry out discharge and recharge by gathering DC bus-bar voltage driving power unit 5.
Guidance panel, including keypad 9 and industrial computer 10, can give the input instruction of control system 8, control system by guidance panel
The signal that system 8 can also be collected is included on industrial computer 10.
Flywheel energy storage unit 7 is provided with sensor, and sensor electrically connects with control system 8, and sensor is by the flywheel detected
Temperature, pressure and rate signal be transferred to control system 8.
By setting sensor, automaticity, convenience and the performance timely responded to of the system control can be increased.
Failure dry contact, fault message when power cell 5 breaks down are provided between power cell 5 and control system 8
Control system 8 is transferred to by dry contact, and associative operation is made by control system 8.
Referring to Fig. 2, flywheel energy storage unit 7 has two parameters of charge threshold and discharge threshold, can be carried out according to actual conditions
Set, while flywheel controller has embedded optimized algorithm, possess threshold adaptive adjustment function, it is ensured that flywheel at any time can
Enough storage and release regeneration energy, and energy-saving benefit is reached most preferably.In Fig. 2, U2- a is discharge threshold, U2+ a is charge threshold,
Map parameter may be programmed, and be modified according to field demand.
The operation principle of the system is as follows：
（1）When elevator is in generating state, now elevator DC bus voltage is raised, and control system 8 is by gathering direct current
Busbar voltage, flywheel enters charged state, now the adhesive of contactor 6, is charged, made to flywheel energy storage unit 7 by power cell 5
Flywheel body rotates at a high speed, and now control system 8 can also gather temperature, pressure and the speed letter of flywheel body by sensor
Number, and communicate to industrial computer 10, complete monitoring and data display.Fault message can be transmitted when power cell 5 breaks down
To control system 8, control system 8 makes associative operation again.
（2）When elevator is in power consumption state, now elevator DC bus voltage is reduced, and power cell 5 is by gathering direct current
Busbar voltage, makes flywheel body reduce rotating speed and be discharged by power cell 5 elevator, power supply ladder is used, and reaches the mesh of energy-conservation
's.
（3）When power network is powered off suddenly, it is zero that control system 8, which detects line voltage bust, and power-off signal is located immediately
Manage and transmit flywheel energy storage unit 7；Flywheel body is set to discharge the floor near elevator safety is sent to by power cell 5 simultaneously
Open elevator, it is ensured that the safety of passenger in elevator.
Embodiment of the present utility model, but protection not limited to this of the present utility model are the foregoing is only, it is any
Those skilled in the art the thinkable change being equal with the technical program technical characteristic or replacement, all cover this
Within the protection domain of utility model.
Claims (4)
1. a kind of flywheel energy storage energy saving system of elevator, including flywheel energy storage unit, power cell, control system, guidance panel, its
It is characterised by：Described power cell is electrically connected with flywheel energy storage unit, control system, control system and flywheel energy storage unit electricity
Connection, control system is provided with guidance panel, and guidance panel is provided with keypad and industrial computer；Elevator motor passes through inverter, rectifier
It is connected with power line, capacitor is provided between inverter and rectifier；Power cell passes through capacitor, inverter and elevator motor
Electrical connection.
2. flywheel energy storage energy saving system of elevator according to claim 1, it is characterised in that：Described flywheel energy storage unit is set
There is sensor, sensor is electrically connected with control system, sensor transmits the temperature of the flywheel detected, pressure and rate signal
To control system.
3. flywheel energy storage energy saving system of elevator according to claim 1, it is characterised in that：Described power cell and control
Failure dry contact is provided between system, fault message during power cell failure is transferred to control system by dry contact.
4. flywheel energy storage energy saving system of elevator according to claim 1, it is characterised in that：Described power cell is by connecing
Tentaculum is electrically connected with flywheel energy storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132222.8U CN206538078U (en) | 2017-02-14 | 2017-02-14 | Flywheel energy storage energy saving system of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132222.8U CN206538078U (en) | 2017-02-14 | 2017-02-14 | Flywheel energy storage energy saving system of elevator |
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| Publication Number | Publication Date |
|---|---|
| CN206538078U true CN206538078U (en) | 2017-10-03 |
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ID=59945658
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720132222.8U Active CN206538078U (en) | 2017-02-14 | 2017-02-14 | Flywheel energy storage energy saving system of elevator |
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| Country | Link |
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| CN (1) | CN206538078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115296428A (en) * | 2022-10-10 | 2022-11-04 | 华驰动能(北京)科技有限公司 | Traction type elevator energy recovery method and equipment based on flywheel energy storage system |
-
2017
- 2017-02-14 CN CN201720132222.8U patent/CN206538078U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115296428A (en) * | 2022-10-10 | 2022-11-04 | 华驰动能(北京)科技有限公司 | Traction type elevator energy recovery method and equipment based on flywheel energy storage system |
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| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: 050800 No.12, jiaojiaopu street, North District, high tech Development Zone, Zhengding County, Shijiazhuang City, Hebei Province Patentee after: DUNSHI MAGNETIC ENERGY TECHNOLOGY Co.,Ltd. Address before: 063021 No. 35, Daqing Road, Tangshan City hi tech Development Zone, Hebei Patentee before: DUNSHI MAGNETIC ENERGY TECHNOLOGY Co.,Ltd. |