CN101746656A - Elevator regenerated electricity utilizing system - Google Patents
Elevator regenerated electricity utilizing system Download PDFInfo
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- CN101746656A CN101746656A CN200810239710A CN200810239710A CN101746656A CN 101746656 A CN101746656 A CN 101746656A CN 200810239710 A CN200810239710 A CN 200810239710A CN 200810239710 A CN200810239710 A CN 200810239710A CN 101746656 A CN101746656 A CN 101746656A
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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 elevator regenerated electrical usage system.
Background technology
Add up according to related data, China is using the elevator total amount more than 1,000,000 ones, elevator year consumption of current reach 30,000,000,000 the degree more than, wherein at least 50% electric energy is up or heavily loaded when descending in the elevator underloading, because hoisting motor is in generating state, and the electric energy that sends can't feed back to electrical network, can only install power consumption resistance additional, electric energy is converted to heat energy wasted.
The contriver finds that there is following problem at least in prior art when implementing the embodiment of the invention:
Existing elevator energy regeneration system can only use on the elevator of Own Brand, does not have compatible;
Existing elevator energy regeneration system is not owing to there is the regenerative electric energy memory storage, and when grid power blackout, the driving engine of elevator then can't move, and causes generation elevator ride personnel to be trapped in the interior phenomenon of elevator.
Existing elevator energy regeneration system does not have sender unit, operational factor in the system can't be sent to prosecution/management end, especially can not utilize the mode of radio communication the operational factor in the system to be sent to the monitoring/management end of far-end, the work efficiency of energy regeneration device, generating situation, electric energy generated, even the energy regeneration device whether normal operation all can not get reaction, be unfavorable for safeguarding that reliability is not high.
Summary of the invention
The purpose of this invention is to provide a kind of compatible elevator regenerated electrical usage system that has, and utilize the regenerative electric energy of elevator to greatest extent, therefore the embodiment of the invention provides a kind of elevator regenerated electrical usage system, comprises frequency converter, and described regeneration system also comprises:
Monitoring modular is used to detect the magnitude of voltage of described frequency converter dc terminal, and described magnitude of voltage is converted into weak electric signal output;
Main control module, be used to receive 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 detects described frequency converter dc terminal is higher than threshold value, send inversion control order and inversion parameter, described inversion parameter comprises line voltage value and synchronized signal;
Inversion module, be used to receive the inversion control order and inversion parameter that described main control module sends after, the electric energy that described hoisting motor is produced according to described inversion parameter changes into and meets the described electrical network of input behind the electric energy that described electrical network requires.
The beneficial effect of the embodiment of the invention is, can use the elevator with various models, brand, has compatibility, and can utilize the regenerative electric energy of elevator to greatest extent, prolongs elevator service life.
Description of drawings
Fig. 1 is the scheme drawing of an embodiment of elevator regenerated electrical usage provided by the invention system;
Fig. 2 is the scheme drawing of another embodiment of elevator regenerated electrical usage provided by the invention system;
Fig. 3 is a monitor and communication system scheme drawing among the embodiment of elevator regenerated electrical usage provided by the invention system.
The specific embodiment
Fig. 1 is the scheme drawing of an embodiment of elevator regenerated electrical usage provided by the invention system.In an embodiment of elevator regenerated electrical usage provided by the invention system, as shown in Figure 1, the elevator regenerated electrical usage system of present embodiment comprises:
Frequency converter 1, when descending and underloading was up when elevator heavy duty, the electric energy that hoisting motor 5 is produced also changed into direct current energy;
Monitoring modular 2 is used to detect 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, be used to receive the weak electric signal of described monitoring modular 2 outputs, thereby obtain the magnitude of voltage of described frequency converter 1 dc terminal, and detection of grid magnitude of voltage and synchronized signal, when the magnitude of voltage that detects described frequency converter 1 dc terminal is higher than threshold value, send inversion control order and inversion parameter, described inversion parameter comprises line voltage value and synchronized signal;
In the present embodiment, when or underloading descending in elevator heavy duty was up, traction motor was in generating state, and the electric energy that is taken place 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 of described monitoring modular 2 outputs, thereby obtain the magnitude of voltage of described frequency converter 1 dc terminal, and while detection of grid magnitude of voltage and synchronized signal; When the magnitude of voltage that detects described frequency converter 1 dc terminal when main control module 3 is higher than threshold value, send inversion control order and inversion parameter, described threshold value can be provided with according to different frequency converters, for example the electric capacity according to different frequency converters is provided with, be not damaged thereby be not damaged the assurance frequency converter with protection electric capacity, described inversion parameter comprises line voltage value and synchronized signal; After inversion module 4 was received the inversion control order and inversion parameter that described main control module 3 sends, according to described inversion parameter, the electric energy that described hoisting motor 5 is produced changed into and meets the described electrical network of input behind the electric energy that described electrical network requires.
The elevator electric energy regeneration system of present embodiment, the electric energy that traction motor produces in the time of can utilizing the descending or underloading of elevator heavy duty up, it is regenerative electric energy, especially can be the three plase alternating current synchronous through the inversion module inversion with the regenerative electric energy that surpasses on the frequency converter threshold value with AC network, the electric energy that is transferred by mechanical energy that produces when making elevator brake is utilized, simultaneously because regenerative electric energy is fed back to electrical network, so do not need the resistance that consumes energy, thereby the elevator room can not produce a large amount of heat energy, therefore prolong elevator service life, and need not install air-conditioning additional, save cost.And the elevator regenerated electrical usage system of present embodiment can be provided with threshold value according to the characteristic of different frequency converters, thereby makes the elevator regenerated electrical usage system of present embodiment have compatibility.
Fig. 2 is the scheme drawing of another embodiment of elevator regenerated electrical usage provided by the invention system.In an embodiment of elevator regenerated electrical usage provided by the invention system, as shown in Figure 2, in the present embodiment, above-mentioned elevator regenerated electrical usage system can also comprise:
Memory module 6 is used to store the direct current energy that described hoisting motor 5 produces.
In the present embodiment, also comprise memory module 6, when memory module 6 is sent to main control module 3 with its energy level information, when the energy level information of memory module 6 does not reach threshold value, promptly, during electric energy underfill in the memory module 6, when the magnitude of voltage that detects described frequency converter 1 dc terminal when main control module 3 is higher than threshold value, send memory command to memory module, control store module 6 storage of electrical energy, reach threshold value until energy level information, promptly be full of electric energy.When grid power blackout or instability, memory module 6, is used so that meet an urgent need such as elevator or its peripheral direct-flow electricity utilization apparatus power supply from trend electrical equipment 8.
The elevator regenerated electrical usage system of present embodiment, owing to increased memory module, when grid power blackout or instability, memory module 6 is from trend elevator or its peripheral direct-flow electricity utilization apparatus power supply, such as, when grid power blackout, memory module 6 makes elevator continue operation from the trend elevator supply, the personnel that take elevator can leave elevator safely, guarantee personal safety, therefore make elevator regenerated electrical usage system reliability higher, and increased emergency function.
In an embodiment of elevator regenerated electrical usage provided by the invention system, above-mentioned memory module 6, monitoring modular 2, main control module 3 and inversion module 4 are by total wire joint.
In the present embodiment, memory module 6, monitoring modular 2, main control module 3 and inversion module 4 be by total wire joint, 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 elevator regenerated electrical usage provided by the invention system, the electric energy that above-mentioned inversion module 4 adopts the insulated gate bipolar power tubes 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), the insulated gate bipolar power tube, by the compound full-control type voltage driven type power electronic devices that BJT (double pole triode) and MOS (insulating gate type field effect tube) form, have the advantage of low conduction voltage drop two aspects of the high input impedance of MOSFET and GTR concurrently.The GTR saturation pressure reduces, and current carrying density is big, but drive current is bigger; The MOSFET driving power is very little, and switching speed is fast, but conduction voltage drop is big, 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 the energy two-way flow, make opening of IGBT produce the sinusoidal current waveform consistent with input voltage phase with closing with the combined action of input reactance device, voltage distortion＜5%, so just subdued current harmonics, power factor is up to 99%, subdued harmonic pollution thus, purified power grid environment electrical network.
In another embodiment of elevator regenerated electrical usage provided by the invention system, as shown in Figure 2, in the above-mentioned elevator regenerated electrical usage system, main control module 3 also is used to detect and export energy storage state parameter, hoisting motor 5 generating realtime power signals, hoisting motor 5 accumulative total electric energy generated signals, mains voltage signal and/or the synchronized signal of voltage value signal, the described memory module 6 of described frequency converter 1 dc terminal, and above-mentioned elevator regenerated electrical usage system also comprises:
Sending module 7 is used to send the signal that described main control module is exported.
In the present embodiment, main control module 3 detects and exports the voltage value signal of described frequency converter 1 dc terminal, energy storage state parameter, hoisting motor 5 generating realtime power signals, hoisting motor 5 accumulative total electric energy generated signals, mains voltage signal and/or the synchronized signal of described memory module 6, is sent the signal of above-mentioned main control module 3 outputs then by sending module 7.
In an embodiment of elevator regenerated electrical usage provided by the invention system, above-mentioned sending module comprises gsm module, and described gsm module adopts the mode of USSD, SMS or GPRS to carry out the signal transmission.
The sending module 3 of the elevator regenerated electrical usage system of present embodiment is by its gsm module, and the signal of main control module 3 outputs is carried out the signal transmission by the mode of USSD, SMS or GPRS.For example, Fig. 3 is a monitor and communication system scheme drawing among the embodiment of elevator regenerated electrical usage provided by the invention system, as shown in Figure 3, elevator regenerated electrical usage system 21 utilizes its sending module 7 that the signal of main control module 3 outputs is sent to cordless communication network 22, GSM data platform 24 is by the type of transmission connection monitor supervision platform communication server 25 of special line with USSD/SMS/GPRS, monitor supervision platform database server 26 storage monitoring data, monitor supervision platform WEB server 27 connects internet 22, provide remote data access by monitor terminal 28 for the client, be used to provide the window of monitor staff and elevator regenerated electrical usage system 21 interaction datas, have and to watch elevator regenerated electrical usage system 21 long journey states, functions such as historical data statistics.Mobile communication terminal 29 can be received the information of fault alarm when elevator regenerated electrical usage system 21 et out of orders.So that repair and maintenance personnel on-call maintenance is saved electric energy.
During use, operating personal or monitoring personnel are by the elevator regenerated electrical usage of client's monitor terminal 28 logins system 21, can carry out request of data by internet 22, monitor supervision platform WEB server 27 is sent to GSM data platform 24 to 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 elevator regenerated electrical usage system 21, and this request of 21 responses of elevator regenerated electrical usage system is the passback of the data of request.The user can watch the running state of real-time elevator regenerated electrical usage system 21 in this way.When elevator regenerated electrical usage system 21 et out of orders, elevator regenerated electrical usage system 21 is with failure message, by gsm module data transmission is arrived GSM data platform 24, GSM data platform 24 is transferred to monitor supervision platform communication server 25 to 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, provide alarm message on client's monitor terminal 28 of operating personal, monitor supervision platform WEB server 27 also will send to described fault data on maintainer's the communication terminal 29 with way of short messages by GSM data platform 24 simultaneously.
The elevator regenerated electrical usage system of present embodiment, the data that detected 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, the user can manage and analyze by the monitor data to elevator regenerated energy on the Internet internet; Directly obtain data such as the running condition of elevator energy reclaiming scrap and historic records on the internet, realization is to the monitoring and the management of elevator energy reclaiming scrap, be not subjected 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 software architecture framework, solving monitor terminal needs to install, the shortcoming of debugging monitoring software, the monitor terminal of the elevator regenerated energy utility system of present embodiment connects the Web browser of internet, the maintainer can learn the mode of operation of elevator energy regeneration system whenever and wherever possible, in time the system to et out of order handles, owing to adopt wireless GSM network, USSD/GPRS/SMS technology remote transmission data, it is cheap to have expense with respect to the cable data transmission, on-site installation disposes simple advantage, has the real-time height with respect to short massage remote transmission data, the advantage that running cost is low.In interactive application, connect because of only needing to set up once, reduced and repeatedly set up signaling bonded assembly time delay, so response time is short, speed is fast.The user need not to carry out menu selection step by step, but directly imports the USSD command-string, and is easy to use, supports roaming.USSD can move at present all gsm modules, the 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 the bidirectional data communication problem.
Claims (6)
1. an elevator regenerated electrical usage system comprises frequency converter, it is characterized in that described regeneration system also comprises:
Monitoring modular is used to detect the magnitude of voltage of described frequency converter dc terminal, and described magnitude of voltage is converted into weak electric signal output;
Main control module, be used to receive 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 detects described frequency converter dc terminal is higher than threshold value, send inversion control order and inversion parameter, described inversion parameter comprises line voltage value and synchronized signal;
Inversion module, be used to receive the inversion control order and inversion parameter that described main control module sends after, the electric energy that described hoisting motor is produced according to described inversion parameter changes into and meets the described electrical network of input behind the electric energy that described electrical network requires.
2. elevator regenerated electrical usage as claimed in claim 1 system is characterized in that, also comprises:
Memory module is used to store the direct current energy that described hoisting motor produces.
3. elevator regenerated electrical usage as claimed in claim 2 system is characterized in that described memory module, monitoring modular, main control module and inversion module are by total wire joint.
4. elevator regenerated electrical usage as claimed in claim 1 system, it is characterized in that, described main control module also is used to detect and export energy storage state parameter, hoisting motor generating realtime power signal, hoisting motor accumulative total electric energy generated signal, mains voltage signal and/or the synchronized signal of the voltage value signal of described frequency converter dc terminal, described memory module, and described regeneration system also comprises:
Sending module is used to send the signal that described main control module is exported.
5. elevator regenerated electrical usage as claimed in claim 1 system is characterized in that, the electric energy that described inversion module adopts the insulated gate bipolar power tube that described hoisting motor is produced changes into and meets the electric energy that described electrical network requires.
6. elevator regenerated electrical usage as claimed in claim 1 system is characterized in that described sending module comprises gsm module, and described gsm module adopts the mode of USSD, SMS or GPRS to carry out the signal transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810239710.4A CN101746656B (en) | 2008-12-16 | 2008-12-16 | Elevator regenerated electricity utilizing system |
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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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| CN101746656A true CN101746656A (en) | 2010-06-23 |
| CN101746656B CN101746656B (en) | 2014-06-11 |
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| CN200810239710.4A Expired - Fee Related CN101746656B (en) | 2008-12-16 | 2008-12-16 | Elevator regenerated electricity utilizing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508315A (en) * | 2013-09-18 | 2014-01-15 | 深圳市合兴加能科技有限公司 | System and method for predicting operating failures of elevator |
| CN103508283A (en) * | 2013-09-18 | 2014-01-15 | 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140360Y (en) * | 1992-11-26 | 1993-08-18 | 赵月 | Gravity elevator |
| JP2003048672A (en) * | 2001-08-03 | 2003-02-21 | Mitsubishi Electric Corp | Elevator control device |
| FR2841084B1 (en) * | 2002-06-13 | 2004-12-17 | Systemig Sa | STATE REMOTE DEVICE AND APPLICATIONS |
| 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 |
-
2008
- 2008-12-16 CN CN200810239710.4A patent/CN101746656B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508315A (en) * | 2013-09-18 | 2014-01-15 | 深圳市合兴加能科技有限公司 | System and method for predicting operating failures of elevator |
| CN103508283A (en) * | 2013-09-18 | 2014-01-15 | 深圳市合兴加能科技有限公司 | Elevator energy efficiency monitoring system and method |
| 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 |
| 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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| CN101746656B (en) | 2014-06-11 |
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