CN101746656B - Elevator regenerated electricity utilizing system - Google Patents
Elevator regenerated electricity utilizing system Download PDFInfo
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- CN101746656B CN101746656B CN200810239710.4A CN200810239710A CN101746656B CN 101746656 B CN101746656 B CN 101746656B CN 200810239710 A CN200810239710 A CN 200810239710A CN 101746656 B CN101746656 B CN 101746656B
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Abstract
The invention discloses an elevator regenerated electricity utilizing system, which comprises a frequency changer, a monitoring module, a master control module and an inverting module; the monitoring module is used for detecting voltage value at DC end of the frequency changer and converting the voltage value into weak current signals to output; the master control module is used for receiving the weak current signals output by the monitoring module to obtain the voltage value at DC end of the frequency changer, detecting grid voltage value and grid synchronous signals, and giving out inversion control command and inversion parameters when detecting that the voltage value at DC end of the frequency changer is higher than the threshold, wherein the inversion parameters comprise grid voltage value and grid synchronous signals; and the inverting module is used for inverting electricity generated by a joisting motor into electricity meeting requirement of the grid according to the inversion parameters after receiving the inversion control command and inversion parameters given by the master control module, and inputting the electricity to the grid. The elevator regenerated electricity utilizing system in the invention can be applied to elevators of various types and brands, has compatibility, can utilize regenerated electricity of elevators to the largest degree, thus prolonging the service life of elevators.
Description
Technical field
The present invention relates to a kind of regenerative electric energy and utilize system, relate in particular to a kind of renewable power utilization system for elevators.
Background technology
Add up according to related data, China is using elevator total amount more than 1,000,000, elevator year consumption of current reach 30,000,000,000 degree more than, wherein at least 50% electric energy is up or heavily loaded when descending in elevator underloading, because hoisting motor is in generating state, and the electric energy sending cannot feed back to electrical network, can only install energy consumption resistor additional, electric energy energy transform into heat energy is wasted.
Contriver, in the time implementing the embodiment of the present invention, finds that prior art at least exists following problem:
Existing elevator energy regeneration system can only use on the elevator of Own Brand, without compatible;
Existing elevator energy regeneration system is owing to there is no regenerative electric energy memory storage, and in the time of grid power blackout, the driving engine of elevator cannot move, and causes generation elevator ride personnel to be trapped in the phenomenon in elevator.
Existing elevator energy regeneration system does not have sender unit, operational factor in system cannot be sent to prosecution/management end, especially can not utilize the mode of radio communication the operational factor in system to be sent to the monitoring/management end of far-end, the work efficiency of energy regenerating device, generating situation, electric energy generated, even whether energy regenerating device is normally worked and all be can not get reaction, be unfavorable for safeguarding, reliability is not high.
Summary of the invention
The object of this invention is to provide a kind of compatible renewable power utilization system for elevators that has, and utilize to greatest extent the regenerative electric energy of elevator, therefore the embodiment of the present invention provides a kind of renewable power utilization system for elevators, comprises frequency converter, and described regeneration system also comprises:
Monitoring modular, for detection of the magnitude of voltage of described frequency converter DC terminal, and is converted into weak electric signal output by described magnitude of voltage;
Main control module, for receiving the weak electric signal of described monitoring modular output, thereby obtain the magnitude of voltage of described frequency converter DC terminal, and detection of grid magnitude of voltage and synchronized signal, when the magnitude of voltage that described frequency converter DC terminal detected is during higher than threshold value, send inversion control order and inversion parameter, described inversion parameter comprises line voltage value and synchronized signal;
Inversion module, for receiving after the inversion control order and inversion parameter that described main control module sends, the electric energy described hoisting motor being produced according to described inversion parameter changes into after meeting the electric energy that described electrical network requires inputs described electrical network.
The beneficial effect of the embodiment of the present invention is, can apply and the elevator of various models, brand, has compatibility, and can utilize to greatest extent the regenerative electric energy of elevator, extends elevator service life.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of renewable power utilization system for elevators provided by the invention;
Fig. 2 is the schematic diagram of another embodiment of renewable power utilization system for elevators provided by the invention;
Fig. 3 is monitor and communication system schematic diagram in an embodiment of renewable power utilization system for elevators provided by the invention.
The specific embodiment
Fig. 1 is the schematic diagram of an embodiment of renewable power utilization system for elevators provided by the invention.In an embodiment of renewable power utilization system for elevators provided by the invention, as shown in Figure 1, the renewable power utilization system for elevators of the present embodiment comprises:
Frequency converter 1, in the time that elevator heavy duty is descending and underloading is up, the electric energy that hoisting motor 5 is produced also changes into direct current energy;
Monitoring modular 2, for detection of the magnitude of voltage of described frequency converter 1 DC terminal, and is converted into weak electric signal output by described magnitude of voltage;
In the present embodiment, in the time that or underloading descending in elevator heavy duty is up, traction motor is in generating state, and the electric energy occurring passes to frequency converter 1.Monitoring modular 2 detects the magnitude of voltage of described frequency converter 1 DC terminal, and described magnitude of voltage is converted into weak electric signal output, main control module 3 receives the weak electric signal that described monitoring modular 2 is exported, thereby obtain the magnitude of voltage of described frequency converter 1 DC terminal, and while detection of grid magnitude of voltage and synchronized signal; The magnitude of voltage that described frequency converter 1 DC terminal detected when main control module 3 is during higher than threshold value, send inversion control order and inversion parameter, described threshold value can arrange according to different frequency converters, for example arrange according to the electric capacity of different frequency converters, thereby not damaged with the not damaged assurance of protection electric capacity frequency converter, described inversion parameter comprises line voltage value and synchronized signal; Inversion module 4 is received after the inversion control order and inversion parameter that described main control module 3 sends, and according to described inversion parameter, the electric energy that described hoisting motor 5 is produced changes into after meeting the electric energy that described electrical network requires inputs described electrical network.
The elevator electric energy regeneration system of the present embodiment, the electric energy that can utilize the descending or underloading of elevator heavy duty up time, traction motor produces, it is regenerative electric energy, especially can be the three plase alternating current of synchronizeing with AC network through inversion module inversion by the regenerative electric energy exceeding on frequency converter threshold value, the electric energy being transferred by mechanical energy producing while making elevator brake is utilized, simultaneously due to regenerative electric energy is fed back to electrical network, so do not need energy consumption resistor, thereby elevator room can not produce a large amount of heat energy, therefore extend elevator service life, and need not install air-conditioning additional, cost-saving.And the renewable power utilization system for elevators of the present embodiment can, according to the characteristic of different frequency converters, arrange threshold value, thereby makes the renewable power utilization system for elevators of the present embodiment have compatibility.
Fig. 2 is the schematic diagram of another embodiment of renewable power utilization system for elevators provided by the invention.In an embodiment of renewable power utilization system for elevators provided by the invention, as shown in Figure 2, in the present embodiment, above-mentioned renewable power utilization system for elevators can also comprise:
In the present embodiment, also comprise memory module 6, when its energy level information is sent to main control module 3 by memory module 6, in the time that the energy level information of memory module 6 does not reach threshold value,, when electric energy underfill in memory module 6, the magnitude of voltage that described frequency converter 1 DC terminal detected when main control module 3 during higher than threshold value, sends memory command to memory module, control store module 6 storage of electrical energy, until energy level information reaches threshold value, be full of electric energy.When grid power blackout or when unstable, memory module 6 from trend electrical equipment 8 such as elevator or the power supply of its periphery direct-flow electricity utilization apparatus, so that Emergency use.
The renewable power utilization system for elevators of the present embodiment, owing to having increased memory module, when grid power blackout or when unstable, memory module 6 is from trend elevator or the power supply of its periphery direct-flow electricity utilization apparatus, such as, in the time of grid power blackout, memory module 6, from trend elevator supply, makes elevator continue operation, the personnel that take elevator can leave safely elevator, guarantee personal safety, therefore make renewable power utilization system for elevators reliability higher, and increased emergency function.
In an embodiment of renewable power utilization system for elevators provided by the invention, above-mentioned memory module 6, monitoring modular 2, main control module 3 and inversion module 4 are connected by bus.
In the present embodiment, memory module 6, monitoring modular 2, main control module 3 and inversion module 4 are connected by bus, thus make main control module 3 can detection of stored module 6, the data of monitoring modular 2 and inversion module 4, be easy to management and control.
In an embodiment of renewable power utilization system for elevators provided by the invention, the electric energy that above-mentioned inversion module 4 adopts insulated gate bipolar translator power tube that described hoisting motor 5 is produced changes into and meets the electric energy that described electrical network requires.
In the present embodiment, inversion module 4 adopts IGBT (Insulated Gate BipolarTransistor), insulated gate bipolar translator power tube, the compound full-control type voltage driven type power electronic devices being made up of BJT (double pole triode) and MOS (insulating gate type field effect tube), has the advantage of the high input impedance of MOSFET and low conduction voltage drop two aspects of GTR concurrently.GTR saturation pressure reduces, and current carrying density is large, but drive current is larger; MOSFET driving power is very little, and switching speed is fast, but conduction voltage drop is large, and current carrying density is little.IGBT combines the advantage of above two kinds of devices, and the little and saturation pressure of driving power reduces.Because IGBT can realize energy in bidirectional flow, make opening with closing with the combined action of input reactance device of IGBT produce the sinusoidal current waveform consistent with input voltage phase, voltage distortion < 5%, so just subdue current harmonics, power factor is up to 99%, subdue thus the harmonic pollution to electrical network, purified power grid environment.
In another embodiment of renewable power utilization system for elevators provided by the invention, as shown in Figure 2, in above-mentioned renewable power utilization system for elevators, main control module 3 also for detection of and voltage value signal, the energy storage state parameter of described memory module 6, the hoisting motor 5 of exporting described frequency converter 1 DC terminal generate electricity realtime power signal, hoisting motor 5 the accumulative total of generating electricity signals, mains voltage signal and/or synchronized signal, above-mentioned renewable power utilization system for elevators also comprises:
Sending module 7, for sending the signal of described main control module output.
In the present embodiment, voltage value signal, the energy storage state parameter of described memory module 6, the hoisting motor 5 that main control module 3 detected and exported described frequency converter 1 DC terminal generate electricity realtime power signal, hoisting motor 5 the accumulative total of generating electricity signals, mains voltage signal and/or synchronized signal, then send by sending module 7 signal that above-mentioned main control module 3 is exported.
In an embodiment of renewable power utilization system for elevators provided by the invention, above-mentioned sending module comprises gsm module, and described gsm module adopts the mode of USSD, SMS or GPRS to carry out signal transmission.
The sending module 3 of the renewable power utilization system for elevators of the present embodiment is by its gsm module, and the signal that main control module 3 is exported carries out signal transmission by the mode of USSD, SMS or GPRS.For example, Fig. 3 is monitor and communication system schematic diagram in an embodiment of renewable power utilization system for elevators provided by the invention, as shown in Figure 3, the signal that renewable power utilization system for elevators 21 utilizes its sending module 7 that main control module 3 is exported is sent to cordless communication network 22, GSM data platform 24 connects monitor supervision platform communication server 25 by special line with the type of transmission of USSD/SMS/GPRS, monitor supervision platform database server 26 is stored monitoring data, monitor supervision platform WEB server 27 connecting Internets 22, provide remote data access by monitor terminal 28 for client, for the window of monitor staff and renewable power utilization system for elevators 21 interaction datas is provided, have and can watch renewable power utilization system for elevators 21 long journey states, the functions such as historical data statistics.Mobile communication terminal 29 can, in the time of renewable power utilization system for elevators 21 et out of order, be received the information of fault alarm.So that repair and maintenance personnel on-call maintenance, saves electric energy.
When use, operating personal or monitoring personnel login renewable power utilization system for elevators 21 by client's monitor terminal 28, can carry out request of data by internet 22, monitor supervision platform WEB server 27 is sent to GSM data platform 24 described request by monitor supervision platform database server 26 and monitor supervision platform communication server 25, GSM data platform 24 is sending to described request renewable power utilization system for elevators 21, and this request of renewable power utilization system for elevators 21 responses is the passback of the data of request.User can watch the running state of real-time renewable power utilization system for elevators 21 in this way.In the time of renewable power utilization system for elevators 21 et out of order, renewable power utilization system for elevators 21 is by failure message, by gsm module, data transmission is arrived to GSM data platform 24, GSM data platform 24 is transferred to monitor supervision platform communication server 25 fault data again, monitor supervision platform database server 26, and described fault data is published to internet 22 by monitor supervision platform WEB server 27, on client's monitor terminal 28 of operating personal, provide alarm message, monitor supervision platform WEB server 27 also will send to described fault data on maintainer's communication terminal 29 in the mode of note by GSM data platform 24 simultaneously.
The renewable power utilization system for elevators of the present embodiment, detected data can be sent to the monitor supervision platform server of far-end by sending module 7, Platform Server can adopt B/S (Browser/Server, browser/server) software configuration, user can manage and analyze the monitor data of elevator regenerated energy on Internet internet, directly obtain on the internet the data such as running condition and historic records of elevator energy reclaiming scrap, realize monitoring and management to elevator energy reclaiming scrap, be not subject to field wiring, the restriction of lift space position, situ configuration is simple, cost is low, and described monitor supervision platform can adopt B/S System Architecture, solving monitor terminal needs to install, the shortcoming of debugging monitoring software, the Web browser of the monitor terminal connecting Internet of the elevator regenerated energy utility system of the present embodiment, maintainer can learn the mode of operation of elevator energy regeneration system whenever and wherever possible, in time the system of et out of order is processed, owing to adopting wireless GSM network, USSD/GPRS/SMS technology remote transmission data, there is expense with respect to cable data transmission cheap, the on-the-spot simple advantage of configuration of installing, there is real-time with respect to short massage remote transmission data high, the advantage that running cost is low.In interactive application, connect because only needing to set up once, reduce and repeatedly set up the time delay that signaling connects, therefore response time is short, speed is fast.User is without carrying out menu setecting step by step, but directly inputs USSD command-string, easy to use, supports roaming.USSD can move at present all gsm modules, USSD function is all supported in existing mobile base station, therefore lower than wired Internet, telephone network mode service operation expense, and USSD wireless security data terminal has adopted advanced NAT to pass through tunneling technique, has solved bidirectional data communication problem.
Claims (4)
1. a renewable power utilization system for elevators, comprises frequency converter, it is characterized in that, described renewable power utilization system for elevators also comprises:
Monitoring modular, for detection of the magnitude of voltage of described frequency converter DC terminal, and is converted into weak electric signal output by described magnitude of voltage;
Main control module, for receiving the weak electric signal of described monitoring modular output, thereby obtain the magnitude of voltage of described frequency converter DC terminal, and detection of grid magnitude of voltage and synchronized signal, when the magnitude of voltage that described frequency converter DC terminal detected is during higher than threshold value, send inversion control order and inversion parameter, described inversion parameter comprises line voltage value and synchronized signal;
Inversion module, for receiving after the inversion control order and inversion parameter that described main control module sends, electric energy hoisting motor being produced according to described inversion parameter changes into after meeting the electric energy that described electrical network requires inputs described electrical network;
Memory module, for storing the direct current energy of described hoisting motor generation and the energy level information of self being sent to described main control module; Wherein said main control module also for detection of and export energy storage state parameter, hoisting motor generating realtime power signal, hoisting motor the accumulative total of generating electricity signal, mains voltage signal and/or the synchronized signal of the voltage value signal of described frequency converter DC terminal, described memory module; And send memory command to described memory module for detection of the voltage of the DC terminal of the electric energy underfill in described memory module and described frequency converter during higher than threshold value, to control described memory module storage of electrical energy until be full of electric energy;
Described renewable power utilization system for elevators also comprises gsm module, for sending the signal of described main control module output; And for when the described renewable power utilization system for elevators et out of order, fault data is transferred to GSM data platform, so that described GSM data platform is transferred to monitor supervision platform communication server, monitor supervision platform database server and communication terminal fault data.
2. renewable power utilization system for elevators as claimed in claim 1, is characterized in that, described memory module, monitoring modular, main control module and inversion module are connected by bus.
3. renewable power utilization system for elevators as claimed in claim 1, is characterized in that, described inversion module adopts insulated gate bipolar translator power tube that the electric energy of described hoisting motor generation is changed into and meets the electric energy that described electrical network requires.
4. renewable power utilization system for elevators as claimed in claim 1, is characterized in that, described gsm module adopts the mode of USSD, SMS or GPRS to carry out signal transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810239710.4A CN101746656B (en) | 2008-12-16 | 2008-12-16 | Elevator regenerated electricity utilizing system |
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| CN200810239710.4A CN101746656B (en) | 2008-12-16 | 2008-12-16 | Elevator regenerated electricity utilizing system |
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| CN101746656A CN101746656A (en) | 2010-06-23 |
| CN101746656B true CN101746656B (en) | 2014-06-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103508315B (en) * | 2013-09-18 | 2015-09-16 | 深圳市合兴加能科技有限公司 | Elevator operating troubles prognoses system and method |
| CN103508283B (en) * | 2013-09-18 | 2015-09-16 | 深圳市合兴加能科技有限公司 | Elevator energy efficiency monitoring system and method |
| CN106488462A (en) * | 2016-10-20 | 2017-03-08 | 吕子含 | A kind of control system of cell-radio network |
| CN107465256A (en) * | 2017-08-25 | 2017-12-12 | 赵晓晨 | Elevator regenerated electrical energy devices |
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| CN2140360Y (en) * | 1992-11-26 | 1993-08-18 | 赵月 | Gravity elevator |
| CN1401553A (en) * | 2001-08-03 | 2003-03-12 | 三菱电机株式会社 | Elevator control device |
| CN1659095A (en) * | 2002-06-13 | 2005-08-24 | 因温特奥股份公司 | State remote reading device, and uses thereof |
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| CN201071232Y (en) * | 2007-04-30 | 2008-06-11 | 王贤长 | Elevator control gear with electrical energy feedback function |
| CN101259929A (en) * | 2008-03-25 | 2008-09-10 | 秦皇岛开发区前景电子科技有限公司 | Elevator electric energy feedback apparatus |
| CN201113403Y (en) * | 2007-09-13 | 2008-09-10 | 上海师范大学 | Elevator large power electronic energy-saving apparatus |
| CN201385975Y (en) * | 2008-12-26 | 2010-01-20 | 中国建筑科学研究院建筑机械化研究分院 | Renewable power utilization system for elevators |
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2008
- 2008-12-16 CN CN200810239710.4A patent/CN101746656B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140360Y (en) * | 1992-11-26 | 1993-08-18 | 赵月 | Gravity elevator |
| CN1401553A (en) * | 2001-08-03 | 2003-03-12 | 三菱电机株式会社 | Elevator control device |
| CN1659095A (en) * | 2002-06-13 | 2005-08-24 | 因温特奥股份公司 | State remote reading device, and uses thereof |
| CN200983561Y (en) * | 2006-11-06 | 2007-11-28 | 张国良 | Voltage self-control power feedback part |
| CN201071232Y (en) * | 2007-04-30 | 2008-06-11 | 王贤长 | Elevator control gear with electrical energy feedback function |
| CN201113403Y (en) * | 2007-09-13 | 2008-09-10 | 上海师范大学 | Elevator large power electronic energy-saving apparatus |
| CN101259929A (en) * | 2008-03-25 | 2008-09-10 | 秦皇岛开发区前景电子科技有限公司 | Elevator electric energy feedback apparatus |
| CN201385975Y (en) * | 2008-12-26 | 2010-01-20 | 中国建筑科学研究院建筑机械化研究分院 | Renewable power utilization system for elevators |
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