CN201490757U - Intelligent elevator power supply device - Google Patents
Intelligent elevator power supply device Download PDFInfo
- Publication number
- CN201490757U CN201490757U CN2009202249653U CN200920224965U CN201490757U CN 201490757 U CN201490757 U CN 201490757U CN 2009202249653 U CN2009202249653 U CN 2009202249653U CN 200920224965 U CN200920224965 U CN 200920224965U CN 201490757 U CN201490757 U CN 201490757U
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- elevator
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- storage device
- energy storage
- electric 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model discloses an intelligent elevator power supply device that comprises a switching device, a controller, an energy storing device, an inverter, a power input end used for being connected with a power grid and a power output end used for being connected with an elevator control cabinet, wherein the switching device comprises two switch paths, one of which is connected between the power input end and the power output end and the other of which is connected between the output end of the inverter and the power output end; the switching device is controlled by the controller and selectively connects one of the switch paths according to a control instruction output by the controller; current output by an elevator lifting motor is converted into direct current electric energy that is subsequently input to the energy storing device to be stored through the elevator control cabinet; the energy storing device is connected with the input end of the inverter; and when choosing the electric energy in the energy storing device to provide power for the elevator, the inverter is provided with power. The device recovers and reuses the electric energy output by the elevator lifting motor, and is strong in the capability of saving energy and free from pollution to the power grid.
Description
Technical field
The utility model belongs to the power circuit technical field, specifically, relates to a kind of green energy conservation type elevator intelligent supply unit.
Background technology
Along with the continuous growth of population, land resource is shortage day by day.Particularly flourishing city, population concentration, density are big, and the usable land area is nervous more.Satisfy dwelling house and the office building that most urban populations are lived and office requires in order to build on limited land resources, the skyscraper pattern is adopted on a large scale.
In skyscraper, elevator is being played the part of vital role.Elevator is in operation process, and during toward the end operation of Heavy Weight, lifting motor can produce and send some electric energy when load and counterweight are uneven, sometimes even up to more than 30% of motor nominal power.Present elevator generally all is to discharge in vain by unloading resistance for this part electric energy that lifting motor sent, and causes the significant wastage of the energy.If these electric energy effectively can be recycled, will play good energy-saving effect undoubtedly.
In order to address this problem, some elevator manufacturer has carried out improving design to the power supply of elevator, after this part electric energy that lifting motor is sent is gathered recovery, feeds back to electrical network.This design can produce electrical network to be polluted, even can the normal power supply of electrical network be impacted.
Based on above reason, demand needing to propose a kind of current collection urgently and can reclaim, solve power failure, outage, the incorporate solution of elevator automatic leveling.
The utility model content
The purpose of this utility model is to provide a kind of brand-new elevator intelligent supply unit, recycles by the electric energy that the elevator lifting motor is produced in running, on the basis of effective conservation of power resource, has kept the pure of line voltage.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of elevator intelligent supply unit, the power input and the power output end that is used to be connected elevator control cabinet that comprise switching device shifter, controller, energy storage device, inverter and be used to connect electrical network; Described switching device shifter comprises two switch ways, article one, switch ways is connected between power input and the power output end, another switch ways is connected between the output and power output end of inverter, switching device shifter is controlled by described controller, selects to be communicated with wherein switch ways according to the control command of controller output; Be input to described energy storage device after the electric current of elevator lifting motor output is converted to direct current energy by elevator control cabinet, electric energy is stored; Described energy storage device connects the input of inverter, when the electric energy in selecting energy storage device is the elevator control cabinet power supply, is described inverter power supply.
Electric current for fear of energy storage device refluxes to elevator control cabinet, cause energy waste, in described elevator intelligent supply unit, also designed one can guide current exactly to the electric energy retracting device of described energy storage device circulation, be input to described electric energy retracting device after the electric current of elevator lifting motor output is converted to direct current energy by elevator control cabinet, electric energy transmitting to energy storage device stored by described electric energy retracting device.
Preferably, described energy storage device preferably adopts the batteries design to realize.
Further, in order to ensure power supply safety, described switching device shifter preferably adopts the two-way interlocking switching switch circuit design of being made up of A.C. contactor to realize.
For when the net electricity disappears, power supply can switch to standby electricity exactly and come to be the elevator continued power, on described power input, be connected with a sample detecting circuit that can detect line voltage, its testing result feeds back to described controller, controls the accurate switching of supply access by controller.
For just control inverter enters the running status that powers on when only the electric energy in adopting energy storage device is elevator supply, consumption with the further reduction energy, described controller is connected with the control end of inverter, when the electric energy in selecting energy storage device is the elevator control cabinet power supply, the operation of output control command control inverter.
Further again, in described elevator intelligent supply unit, also include a battery manager, connect described energy storage device, the dump energy of energy storage device is detected, and testing result is fed back to described controller.
Further again, described energy storage device also is connected with solar-energy photo-voltaic cell or wind power generation system, and it is energy storage device charging accumulation of energy that extraneous solar energy or wind energy are converted to electric energy.
Preferably, described energy storage device connects described electric energy retracting device, solar-energy photo-voltaic cell and wind power generation system by the electric energy optimizer.
Further, when the elevator intelligent supply unit breaks down, maintenance for convenience, described power input is connected described power output end by a by-pass switch, closed described by-pass switch, can when carrying out the power supply maintenance, make elevator under the net electricity, continue operate as normal.
Compared with prior art, advantage of the present utility model and good effect are: elevator intelligent supply unit of the present utility model reclaims and is reused by the electric energy to the output of elevator lifting motor, guaranteed that not only elevator can continue to use when grid power blackout or outage, automatic leveling, safety is put the people, and effectively saved the energy, it is about more than 20% to economize on electricity than traditional elevator, have noiselessness, do not have discharging, pollution-free, safe and reliable to electrical network, to significant advantages such as the load variations adaptive capacity are strong.
After reading the detailed description of the utility model execution mode in conjunction with the accompanying drawings, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the overall structure schematic diagram of elevator supply system;
Fig. 2 is the circuit theory diagrams of a kind of embodiment of the internal circuit configuration of the elevator intelligent supply unit that proposes of the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Elevator intelligent supply unit LPS of the present utility model reclaims the electric energy of elevator lifting motor output automatically by providing energy storage device for oneself, and hold full or grid cut-off, do not have electricity, export to elevator when having a power failure again at electric energy, be its power supply, keep elevator and continue operation, thereby under the prerequisite of effective energy savings, avoided pollution to electrical network.
Fig. 1 is the structural representation that adopts the elevator supply system of elevator intelligent supply unit LPS design of the present utility model.Described LPS device is made up of casing and the Circuits System that is arranged on casing inside, elevator intelligent supply unit LPS is connected between electrical network and the elevator control cabinet, specifically elevator intelligent supply unit LPS can be placed on the next door of elevator control cabinet, its power input is connected with electrical network, power output end is connected with elevator control cabinet, for elevator control cabinet provides Alternating Current Power Supply.Elevator control cabinet produces and the required working power of output elevator load, and the control elevator load normally moves.Lifting motor as elevator load feeds back to elevator control cabinet with the electric energy of its generation in running, convert direct current energy to by elevator control cabinet and export elevator intelligent supply unit LPS to, and described electrical power storage is got up by the energy storage device of elevator intelligent supply unit LPS inside.
Elevator intelligent supply unit LPS is when detecting the full or line voltage of electric energy that its inner energy storage device stores and disappear, automatically the electric energy of enabling in the energy storage device is the elevator control cabinet power supply, to reach saves energy and to keep the purpose of design that elevator runs without interruption.
Elaborate specific design mode and the operation principle thereof of described elevator intelligent supply unit LPS below by a specific embodiment.
Embodiment one, and referring to shown in Figure 2, the elevator intelligent supply unit LPS of present embodiment is mainly by casing, switching device shifter, controller, energy storage device, inverter and be arranged on power input Vin on the casing and several parts such as power output end Vout are formed.Wherein, power input Vin is used to connect external electrical network, when adopting the net electricity to elevator supply, line voltage is introduced the LPS device; Power output end Vout is used to connect the power end of elevator control cabinet, and output AC voltage is the elevator control cabinet power supply; Switching device shifter is used for switching between the deposit electricity of net electricity and energy storage device, comprise two switch ways, article one, switch ways is connected between power input Vin and the power output end Vout, another switch ways is connected between the output and power output end Vout of inverter, controller produces and sends control command according to self detection signal of elevator enabling signal and LPS device, and then control switch device select to be communicated with wherein switch ways, switches with the selection that realizes two kinds of supply power modes; Energy storage device is used for preserving the electric energy that the elevator lifting motor produces and exports at running, after the electric energy of elevator lifting motor output soon converts direct current energy to by elevator control cabinet, is input to described energy storage device, stores by energy storage device; Inverter is used for the dc inverter of energy storage device output is become alternating current, when selecting to use electric energy in the energy storage device as elevator supply, exports elevator control cabinet to, is its power supply.
For the LPS device to present embodiment carries out switch control, also design has a linked switch K1 in the Circuits System of described LPS device, is connected on the line between switching device shifter and the power input Vin respectively and on the line between switching device shifter and the power output end Vout.When needs LPS device puts into operation, only need this linked switch of manual closing K1 to get final product.
For the electric energy that the elevator lifting motor produces being guided to the LPS device exactly, the energy storage device charging accumulation of energy for LPS device inside has also designed an electric energy retracting device in the LPS of present embodiment device, connect described energy storage device.Described electric energy retracting device has the unidirectional on state characteristic of electric energy, only allows electric energy to circulate to energy storage device, and does not allow the electric energy in the energy storage device to reflux.Therefore, can effectively avoid the electric energy of energy storage device to reflux, cause the energy waste problem to elevator control cabinet.
In addition, in the connection line of described electric energy retracting device and elevator control cabinet, also be in series with a manual K switch 2, reclaim and control whether carrying out electric energy.
Consider that the electric energy of exporting by the elevator lifting motor is limited after all,, need the cost long time if energy storage device is full of.In order fully to save the electrical network energy, the LPS device of present embodiment also decision design solar-energy photo-voltaic cell, be that electric energy is the energy storage device accumulation of energy of charging simultaneously by the solar energy converting that will collect, can shorten the accumulation of energy time of energy storage device.
Certainly, also can increase the electricity generation system of other various ways such as wind power generation on this basis again, be the energy storage device accumulation of energy simultaneously, to netting the use of electricity, strengthens energy-saving effect with further minimizing.
As a kind of decision design mode, can between various electricity generation systems and energy storage device, design an electric energy optimizer, as shown in Figure 2, the two-way input of electric energy optimizer is connected with the electric energy output end of solar energy, wind energy or other electricity generation system is corresponding with the output of electric energy retracting device respectively, and the output of electric energy optimizer connects energy storage device.The electric energy optimizer compares the electric energy of input, and preferred big the leading up to of electric energy is the energy storage device accumulation of energy.
For when the net electricity disappears, the electric energy that the LPS device of present embodiment can switch in the energy storage device moment exactly to be the elevator continued power, with the normally operation in the regular hour section of guarantee elevator, and after the power system restoration power supply, the telegram in reply net that can automatically switch is powered.Present embodiment is connected with a sample detecting circuit that can detect having or not of line voltage at the power input Vin place of LPS device, described sample detecting circuit feeds back to controller with its detected result with the simulation or the form of digital signal, generate the control corresponding instruction by controller and export switching device shifter to, realize accurate switching supply access.
Just for control inverter enters the running status that powers on when only the electric energy in selecting energy storage device for use comes for elevator supply, with the consumption of the further reduction energy, present embodiment adopts controller to come the running status of inverter is controlled.When the electric energy in selecting energy storage device was the elevator control cabinet power supply, controller produced the control end that control command exports inverter to, entered running status to start inverter, and it is elevator supply that the dc inverter of energy storage device output is become alternating current.
Meanwhile, in the LPS of present embodiment device, also designed a battery manager, connected described energy storage device, the dump energy of energy storage device has been detected, and testing result is fed back to controller, exhausted to prevent the electric energy in the energy storage device.The required direct current supply of described controller work also can and provide by the battery manager generation.
When the LPS device breaks down, normally move in order not influence elevator, present embodiment has been connected a maintenance bypass between the power input Vin of LPS device and power output end Vout, be in series with a by-pass switch K3 in described maintenance bypass.When the LPS device is keeped in repair, only need described by-pass switch K3 closure, can when carrying out the power supply maintenance, keep the continuous service of elevator under the net electricity.
Below in conjunction with Fig. 2 the operation principle of the LPS device of present embodiment is at length set forth.
A) when electrical network has electricity, the controller control switch device will be netted electricity and directly be inserted elevator control cabinet under the conventional state, be elevator supply.
B) when solar energy, wind energy or other forms can be exchanged into the energy of electric energy, give energy storage device with the electric energy of conversion output by electric energy optimizer first-selection and store for future use.
C) when lifting motor in the running process of elevator produces electric energy, the electric energy retracting device flows to energy storage device with the electric energy that reclaims by the electric energy optimizer, and energy storage device stores for future use direct current energy.
D) when the storage of energy storage device electric energy was full, controller was opened inverter, and transferred switching device shifter to adopt in the energy storage device electric energy power supply, and the direct current energy in the energy storage device is converted to AC energy through inverter and exports by switching device shifter, is elevator supply; When the electric energy in the energy storage device be discharged into total electric energy 90% the time, the controller control inverter is closed, and switching device shifter is switched to net electricity power supply.The elevator automatic leveling used when the electric energy of retention 10% had a power failure suddenly in order to electrical network in the energy storage device.
E) when electrical network stops (breaking) electricity suddenly, controller moment (being generally less than 0.2 second) switches to the energy storage device power supply with switching device shifter, inverter is reverse into AC energy with the direct current energy in the energy storage device and gives elevator supply by switching device shifter, guarantees that elevator continues normal operation.At this moment, as if electric energy that has the elevator lifting motor to produce or photovoltaic electric energy etc., then all participating in is energy storage device charging accumulation of energy.
F) when any parts in the LPS device break down, closes bypass switch K3 when not influencing normal maintenance, guarantees that elevator continues operate as normal under the net electricity.
The elevator intelligent supply unit LPS of present embodiment, its casing is a metal box, on the casing front panel LCD liquid crystal display screen can be set, with parameters such as demonstration input and output voltages.Energy storage device can adopt the batteries design to realize.In order to ensure power supply safety, switching device shifter preferably adopts the two-way interlocking switching switch circuit of being made up of A.C. contactor to design, and in the time of a switch channel connection, another switch passage turn-offs at once, with the electricity consumption of effective protection elevator safety.The integrated chip that controller can adopt digital signal processor DSP or other to have signal handling capacity is realized.Inverter can be used up-to-date SPWM technology and adopt the IGBT module to design, and it is fast to have a dynamic response, and load variations is had very strong adaptive capacity.
The elevator intelligent supply unit LPS self of present embodiment possesses recyclable and function reserve power, and has the function of elevator second source, has successfully solved: the deposit and the reuse of lifting motor output electric energy in (1) running process of elevator; (2) grid power blackout, when outage elevator continue normal the use; (3) when the electric energy storage in disappearance of net electricity and the energy storage device is not enough, the elevator automatic leveling, safety is put the people.
No matter be the elevator of new clothes or the elevator that is using, can install the elevator intelligent supply unit LPS of present embodiment additional, and do not need to transform original circuit of elevator.
Certainly; the above only is a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. an elevator intelligent supply unit is characterized in that: the power input and the power output end that is used to be connected elevator control cabinet that comprise switching device shifter, controller, energy storage device, inverter and be used to connect electrical network; Described switching device shifter comprises two switch ways, article one, switch ways is connected between power input and the power output end, another switch ways is connected between the output and power output end of inverter, switching device shifter is controlled by described controller, selects to be communicated with wherein switch ways according to the control command of controller output; Be input to described energy storage device after the electric current of elevator lifting motor output is converted to direct current energy by elevator control cabinet, electric energy is stored; Described energy storage device connects the input of inverter, when the electric energy in selecting energy storage device is the elevator control cabinet power supply, is described inverter power supply.
2. elevator intelligent supply unit according to claim 1, it is characterized in that: in described elevator intelligent supply unit, also include the electric energy retracting device of a guiding electric energy to described energy storage device circulation, be input to described electric energy retracting device after the electric current of elevator lifting motor output is converted to direct current energy by elevator control cabinet, electric energy transmitting to energy storage device stored by described electric energy retracting device.
3. elevator intelligent supply unit according to claim 1 is characterized in that: the two-way interlocking switching switch circuit that described switching device shifter is made up of A.C. contactor.
4. elevator intelligent supply unit according to claim 2 is characterized in that: be connected with the sample detecting circuit that line voltage is detected at described power input, its testing result feeds back to described controller.
5. elevator intelligent supply unit according to claim 4 is characterized in that: described controller connects the control end of inverter, when the electric energy in selecting energy storage device is the elevator control cabinet power supply, and the operation of output control command control inverter.
6. according to each described elevator intelligent supply unit in the claim 2 to 5, it is characterized in that: in described elevator intelligent supply unit, also include a battery manager, connect described energy storage device, dump energy to energy storage device detects, and testing result is fed back to described controller.
7. elevator intelligent supply unit according to claim 6 is characterized in that: described energy storage device connects solar-energy photo-voltaic cell or wind power generation system.
8. elevator intelligent supply unit according to claim 7 is characterized in that: described energy storage device connects described electric energy retracting device, solar-energy photo-voltaic cell and wind power generation system by the electric energy optimizer.
9. elevator intelligent supply unit according to claim 6 is characterized in that: described power input connects described power output end by by-pass switch.
10. elevator intelligent supply unit according to claim 6 is characterized in that: described energy storage device is a batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202249653U CN201490757U (en) | 2009-08-18 | 2009-08-18 | Intelligent elevator power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202249653U CN201490757U (en) | 2009-08-18 | 2009-08-18 | Intelligent elevator power supply device |
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| CN201490757U true CN201490757U (en) | 2010-05-26 |
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| CN2009202249653U Expired - Fee Related CN201490757U (en) | 2009-08-18 | 2009-08-18 | Intelligent elevator power supply device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938167A (en) * | 2010-08-03 | 2011-01-05 | 海尔集团公司 | Energy conversion device and method and washing machine |
| CN102570581A (en) * | 2010-12-09 | 2012-07-11 | 西安大昱光电科技有限公司 | Solar energy and commercial power combined power supply system for three-dimensional garage |
| CN102838013A (en) * | 2012-09-11 | 2012-12-26 | 广州市京龙工程机械有限公司 | Energy-storage type construction hoist |
| CN102849580A (en) * | 2011-06-29 | 2013-01-02 | 珠海银通新能源有限公司 | Elevator system |
| CN103582604A (en) * | 2011-03-18 | 2014-02-12 | 因温特奥股份公司 | Energy management system for solar-powered elevator installation |
| TWI487653B (en) * | 2012-09-20 | 2015-06-11 | Delta Photoelectric Industry Wujiang Co Ltd | Elevator electrical energy feedback device, feedback method and elevator |
| CN107187966A (en) * | 2017-07-04 | 2017-09-22 | 武汉理工大学 | A kind of multi-section elevator control method and system based on number testing result |
-
2009
- 2009-08-18 CN CN2009202249653U patent/CN201490757U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938167A (en) * | 2010-08-03 | 2011-01-05 | 海尔集团公司 | Energy conversion device and method and washing machine |
| CN102570581A (en) * | 2010-12-09 | 2012-07-11 | 西安大昱光电科技有限公司 | Solar energy and commercial power combined power supply system for three-dimensional garage |
| CN103582604A (en) * | 2011-03-18 | 2014-02-12 | 因温特奥股份公司 | Energy management system for solar-powered elevator installation |
| CN106026363A (en) * | 2011-03-18 | 2016-10-12 | 因温特奥股份公司 | Energy management system for solar-powered elevator installation |
| CN106026363B (en) * | 2011-03-18 | 2019-06-21 | 因温特奥股份公司 | Energy Management System for solar power lift facility |
| CN102849580A (en) * | 2011-06-29 | 2013-01-02 | 珠海银通新能源有限公司 | Elevator system |
| CN102838013A (en) * | 2012-09-11 | 2012-12-26 | 广州市京龙工程机械有限公司 | Energy-storage type construction hoist |
| CN102838013B (en) * | 2012-09-11 | 2015-05-13 | 广州市京龙工程机械有限公司 | Energy-storage type construction hoist |
| TWI487653B (en) * | 2012-09-20 | 2015-06-11 | Delta Photoelectric Industry Wujiang Co Ltd | Elevator electrical energy feedback device, feedback method and elevator |
| CN107187966A (en) * | 2017-07-04 | 2017-09-22 | 武汉理工大学 | A kind of multi-section elevator control method and system based on number testing result |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20130818 |