CN204454215U - The escalator of two permanent-magnet synchronous host driven or footway control system - Google Patents
The escalator of two permanent-magnet synchronous host driven or footway control system Download PDFInfo
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- CN204454215U CN204454215U CN201520062015.0U CN201520062015U CN204454215U CN 204454215 U CN204454215 U CN 204454215U CN 201520062015 U CN201520062015 U CN 201520062015U CN 204454215 U CN204454215 U CN 204454215U
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- magnet synchronous
- main frame
- synchronous main
- footway
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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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- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses escalator or the footway control system of a kind of pair of permanent-magnet synchronous host driven, described system comprise microcomputer plate, the first permanent-magnet synchronous main frame, the second permanent-magnet synchronous main frame, primary transducer, from frequency converter, energy back feed device and pedestrian detection device, pedestrian detection device is arranged on the two ends on escalator or footway, described primary transducer is connected with the first permanent-magnet synchronous main frame, for driving the first permanent-magnet synchronous main frame; Be connected from frequency converter with the second permanent-magnet synchronous main frame, for driving the second permanent-magnet synchronous main frame; First permanent-magnet synchronous main frame and the second permanent-magnet synchronous main frame are used for dragging staircase or footway; Microcomputer plate is respectively with primary transducer, be connected from frequency converter and pedestrian detection device, primary transducer, in parallel with energy back feed device from frequency converter.The utility model can not only control two permanent-magnet synchronous main frames independently, and the regenerated energy that can also master synchronization be utilized efficiently to produce, drive efficiency is high, and energy-saving effect is remarkable.
Description
Technical field
The utility model relates to a kind of escalator or footway control system, and especially the escalator of a kind of pair of permanent-magnet synchronous host driven or footway control system, belong to escalator or footway control field.
Background technology
Along with the development of city traffic track, subway, high ferro, bus rapid transit circuit is constantly built, and especially load-carrying is large, and the demand of the staircase that hoisting depth is high also constantly increases.Current staircase on the market, when hoisting depth is higher, the power-handling capability of separate unit main frame can not satisfy the demands, and staircase producer generally takes the Dual Drive operational mode of use two asynchronous hosts.Along with the increase of hoisting depth, increase as the main engine power needed for driving is also corresponding, the asynchronous host efficiency of current staircase main flow is low, energy-saving effect is far worse than master synchronization, need to consume a large amount of electric energy when using separate unit asynchronous host or two asynchronous hosts to drive in large hoisting depth, use bypass frequency conversion type of drive also cannot utilize the regenerated energy of generation efficiently in time.
In addition, also someone have developed the patent No. is CN200810029128.5, and notification number is CN101298308B, and title is the utility model patent of " escalator of a kind of pair of host driven or moving sidewalk ".This patent specifically discloses: comprise actuating device, the first main frame be arranged in parallel and the second main frame, control setup, also be provided with Weight detector, wherein Weight detector is for detecting the load status signal of escalator or moving sidewalk and exporting in control setup, two main frame is adopted independently to control, the running state of main frame is regulated according to loading condition, energy actv. improves the service efficiency of main frame, but the main frame driven adopts star triangle joint, the Host Type described is asynchronous host, and the regenerated energy how consumption systems produces is not described under full variable mode.
Utility model content
The purpose of this utility model is the defect in order to solve above-mentioned prior art, escalator or the footway control system of a kind of pair of permanent-magnet synchronous host driven are provided, this system can not only control two permanent-magnet synchronous main frames independently, the regenerated energy that can also master synchronization be utilized efficiently to produce, drive efficiency is high, and energy-saving effect is remarkable.
The purpose of this utility model can reach by taking following technical scheme:
The escalator of two permanent-magnet synchronous host driven or footway control system, comprise microcomputer plate and pedestrian detection device, described pedestrian detection device is arranged on the two ends on escalator or footway, it is characterized in that: also comprise the first permanent-magnet synchronous main frame, the second permanent-magnet synchronous main frame, primary transducer, from frequency converter and energy back feed device; Described primary transducer is connected with the first permanent-magnet synchronous main frame, for driving the first permanent-magnet synchronous main frame; Describedly to be connected from frequency converter with the second permanent-magnet synchronous main frame, for driving the second permanent-magnet synchronous main frame; Described first permanent-magnet synchronous main frame and the second permanent-magnet synchronous main frame are used for dragging staircase or footway; Described microcomputer plate is respectively with primary transducer, be connected from frequency converter and pedestrian detection device, described primary transducer, in parallel with energy back feed device from frequency converter.
As a kind of preferred version, described primary transducer by first run contactless switch is connected with the band-type brake contactless switch of the first permanent-magnet synchronous main frame, described from frequency converter pass through second operation contactless switch be connected with the band-type brake contactless switch of the second permanent-magnet synchronous main frame.
As a kind of preferred version, the two-way communication interface of described microcomputer plate is respectively with primary transducer with carry out communication from frequency converter and be connected.
As a kind of preferred version, described first permanent-magnet synchronous main frame is connected by drive shaft with between the second permanent-magnet synchronous main frame, and the first permanent-magnet synchronous main frame and the second permanent-magnet synchronous main frame are symmetricly set on the both sides of drive shaft; Described first permanent-magnet synchronous main frame and the second permanent-magnet synchronous main frame all contain drg, drive motor and gearing speed-reducer.
As a kind of preferred version, described energy back feed device comprises electric network source access module, common DC bus load module, bus voltage monitoring modular and inverted power module, described common DC bus load module is connected with bus voltage monitoring modular respectively with inverted power module, and described electric network source access module is connected with inverted power module.
As a kind of preferred version, described primary transducer and be the frequency converter of four quadrant running from frequency converter.
As a kind of preferred version, described pedestrian detection device is opposite type sensor, microwave remote sensor or radar sensor.
The utility model has following beneficial effect relative to prior art:
1, the utility model System Implementation is simple, the regenerated energy that can master synchronization be utilized efficiently to produce, drive efficiency is high, solving existing Dual Drive main frame uses asynchronous host efficiency low, and separate unit asynchronous machine is when dragging, trailing main frame is in idling conditions, can not produce regenerated energy, the unconspicuous problem of energy-saving effect, can be widely used in escalator or footway.
2, the utility model system passes through primary transducer, from the pattern that the DC bus loop of frequency converter is in parallel with the DC bus loop of energy back feed device, when staircase or footway light running, second permanent-magnet synchronous main frame is dragged generating by the first permanent-magnet synchronous main frame, the energy that primary transducer consumption produces from the DC bus loop of frequency converter, thus reduce the electric energy of primary transducer electrical network absorption, the magnitude of voltage in the bus voltage detection module monitoring DC bus loop of energy back feed device simultaneously, when the magnitude of voltage in DC bus loop is too high, energy back feed device action, the electric energy in DC bus loop is converted to the electric energy identical with mains frequency by inversion.
3, the utility model system is when staircase or footway heavy service, two permanent-magnet synchronous main frames are all in generating state, primary transducer, to raise from the DC bus-bar voltage of frequency converter, energy back feed device action, electric energy in DC bus loop is reverse into the electric energy identical with mains frequency, can not only reclaiming and utilize the regenerated energy of generation can also by the electric energy feedback that produces during elevator heavy service to electrical network, the service efficiency of main frame can also to be improved by controlling frequency converter to the control of permanent-magnet synchronous main frame.
Accompanying drawing explanation
Fig. 1 is escalator or the footway control system electrical structure schematic diagram of two permanent-magnet synchronous host driven of the utility model embodiment 1.
Fig. 2 is the microcomputer plate schematic diagram in the escalator of two permanent-magnet synchronous host driven of the utility model embodiment 1 or footway control system.
Fig. 3 is the scheme of installation of two permanent-magnet synchronous main frames in the escalator of two permanent-magnet synchronous host driven of the utility model embodiment 1 or footway control system.
Fig. 4 is the structural principle block diagram of energy back feed device in the escalator of two permanent-magnet synchronous host driven of the utility model embodiment 1 or footway control system.
Fig. 5 is the microcomputer plate workflow diagram in the escalator of two permanent-magnet synchronous host driven of the utility model embodiment 1 or footway control system.
Fig. 6 is the workflow diagram of energy back feed device when staircase or footway light running in the escalator of two permanent-magnet synchronous host driven of the utility model embodiment 1 or footway control system.
Fig. 7 is the workflow diagram of energy back feed device when staircase or footway heavy service in the escalator of two permanent-magnet synchronous host driven of the utility model embodiment 1 or footway control system.
Wherein, 1-microcomputer plate, 2-primary transducer, 3-is from frequency converter, and 4-energy back feed device, 5-drive shaft, M1-first permanent-magnet synchronous main frame, M2-second permanent-magnet synchronous main frame, MC1-first runs contactless switch, and MC2-second runs contactless switch.
Detailed description of the invention
Embodiment 1:
As depicted in figs. 1 and 2, the escalator of the present embodiment or footway control system comprise microcomputer plate 1, first permanent-magnet synchronous main frame M1, the second permanent-magnet synchronous main frame M2, primary transducer 2, from frequency converter 3, energy back feed device 4 and pedestrian detection device (not shown), the two ends that described pedestrian detection device is arranged on escalator or footway (if escalator, are arranged on top and bottom; If footway, be arranged on front-end and back-end), described microcomputer plate 1 is respectively with primary transducer 2, be connected from frequency converter 3 and pedestrian detection device, described primary transducer 2, in parallel with energy back feed device 4 from frequency converter 3, namely primary transducer 2, from the DC bus loop of frequency converter 3 and the DC bus loop of energy back feed device 4 in parallel, wherein:
Described microcomputer plate 1 can accept and process uplink/downlink (front/rear row) signal on staircase (footway), safety signal, high low speed switching signal, frequency converter switch and use signal, and can respectively with primary transducer 2 with carry out communication from frequency converter 3 and be connected by two-way communication interface (being respectively A and B); Can record separately the parameter of two or more main frames, and the independent frequency converter that controls carries out Parameter Self-learning to permanent-magnet synchronous main frame respectively; The basic logic signal that staircase runs can not only be processed, can also the relevant safety signal for the treatment of S IL.
Described primary transducer 2 and be the frequency converter of four quadrant running from frequency converter 3, described primary transducer 2 is run contactless switch MC1 by first and is connected with the band-type brake contactless switch of the first permanent-magnet synchronous main frame M1, for driving the first permanent-magnet synchronous main frame M1; Describedly run contactless switch MC2 from frequency converter 3 by second and be connected with the band-type brake contactless switch of the second permanent-magnet synchronous main frame M2, for driving the second permanent-magnet synchronous main frame M2; Described primary transducer 2 to the first permanent-magnet synchronous main frame M1, adopt closed-loop vector to control from frequency converter 3 to the second permanent-magnet synchronous main frame M2, or adopts based on the open loop control mode of motor model.
Described first permanent-magnet synchronous main frame M1 and the second permanent-magnet synchronous main frame M2 is used for dragging staircase or footway, as shown in Figure 3, be connected (flange in the output flange specifically on main frame and drive shaft 5 is bolted) by drive shaft 5 between first permanent-magnet synchronous main frame M1 with the second permanent-magnet synchronous main frame M2, and the first permanent-magnet synchronous main frame M1 and the second permanent-magnet synchronous main frame M2 is symmetricly set on the both sides of drive shaft 5, and two main frames all contain drg, drive motor and gearing speed-reducer.
Described energy back feed device 4 belongs to prior art, its structure as shown in Figure 4, comprise electric network source access module, common DC bus load module, bus voltage monitoring modular and inverted power module, described common DC bus load module is connected with bus voltage monitoring modular respectively with inverted power module, and described electric network source access module is connected with inverted power module; Primary transducer, from the DC bus of frequency converter and the common DC bus load module of energy back feed device in parallel, whether the DC bus-bar voltage of bus voltage monitoring module monitoring input exceedes setting threshold, when DC bus-bar voltage exceedes setting threshold, bus voltage monitoring module drives inverted power module work, the DC inverter in DC bus loop is become alternating current by inverted power module, the alternating current of inverted power module inversion for monitoring phase angle and the frequency of electrical network, and is fed back to electrical network by electric network source access module.
Described pedestrian detection device is opposite type sensor, microwave remote sensor or radar sensor, and microcomputer plate 1 can according to the state of pedestrian detection device, and the high speed operation mode and the low-speed operation mode that carry out staircase or footway switch.
As shown in Figure 5, the microcomputer plate control process of the present embodiment is as follows:
1) when perimeter security loop signal is normal, if staircase or footway receive run signal, microcomputer plate exports run signal and band-type brake signal, the band-type brake contactless switch adhesive that first runs contactless switch and the first permanent-magnet synchronous main frame is controlled by primary transducer, by running the band-type brake contactless switch adhesive of contactless switch and the second magnetic-synchro main frame from Frequency Converter Control second, now enter high speed operation mode;
2) microcomputer plate controls primary transducer and drives the first permanent-magnet synchronous main frame operation (primary transducer access driving, stop driving from frequency converter), in operational process, microcomputer board monitoring and process primary transducer feedback output current signal, when the outgoing current of primary transducer reaches 70% of the first permanent-magnet synchronous main frame rated current, microcomputer plate controls to drive (driving from frequency converter access) from frequency converter the second permanent-magnet synchronous main frame; When pedestrian detection device at time t (if staircase, t >=H/Sin α/V, wherein H is the hoisting depth of staircase, α is the leaning angle of staircase, V is the running velocity of staircase, and the minimum value of t guarantees that pedestrian runs to the minimum time of run needed for staircase top bottom staircase) in be not triggered, staircase or footway enter low-speed operation mode, microcomputer plate stops drive singal to exporting from frequency converter, and exports low cruise signal to primary transducer;
3) the security monitoring module when staircase or footway detects that staircase is in hypervelocity, stall NOR operation reverses (i.e. security monitoring signal mal), safety return circuit disconnects, during the states such as handrail velocity anomaly, step velocity anomaly, microcomputer plate exports danger signal to frequency converter, and stop the first operation contactless switch, second to run the output of the band-type brake contactless switch of contactless switch and two main frames, staircase or footway can be braked in time, make staircase or footway out of service.
As shown in Figure 6, when staircase or footway light running, primary transducer drives the first permanent-magnet synchronous main frame to run, readiness for action is in from frequency converter, second permanent-magnet synchronous main frame is dragged by the first permanent-magnet synchronous main frame and runs, the magnetic induction line that rotor windings cutting permanent magnet produces produces electric energy, electric energy is by the inverter circuit access DC bus loop from frequency converter, make to raise from the DC bus-bar voltage of frequency converter, due to primary transducer, from frequency converter and energy back feed device parallel connection, work as primary transducer, when not reaching secure threshold (namely the energy of the second permanent-magnet synchronous main frame generation is not high) of setting from the d-c bus voltage value of frequency converter, the energy produced is consumed by primary transducer, work as primary transducer, when exceeding secure threshold (namely the energy of the second permanent-magnet synchronous main frame generation is too high) of setting from the d-c bus voltage value of frequency converter, energy back feed device action, the Way of Regenerating Energy Feedback produced in DC bus loop is to electrical network, but still some regenerated energy is consumed by primary transducer,
In above-mentioned light running process, when the outgoing current of primary transducer more than the first permanent-magnet synchronous main frame rated current 70% time, the second permanent-magnet synchronous main frame is driven from frequency converter, thus improve the power-handling capability on staircase or footway, now primary transducer and be all in the state of energy ezpenditure from frequency converter, does not produce regenerated energy.
As shown in Figure 7, when staircase or footway heavy service, primary transducer and simultaneously accessing from frequency converter, drive the first permanent-magnet synchronous main frame and the second permanent-magnet synchronous main frame, now the drive motor of the first permanent-magnet synchronous main frame and the second permanent-magnet synchronous main frame works in fourth quadrant, produce regenerated energy, primary transducer and raising from the DC bus-bar voltage of frequency converter, energy back feed device action, the regenerated energy that DC bus loop produces is reverse into the electric energy feedback identical with mains frequency to electrical network, realizes regenerative braking.
In sum, the utility model System Implementation is simple, the regenerated energy that can master synchronization be utilized efficiently to produce, drive efficiency is high, solves existing Dual Drive main frame and uses asynchronous host efficiency low, and when separate unit asynchronous machine drags, trailing main frame is in idling conditions, can not produce regenerated energy, the unconspicuous problem of energy-saving effect, can be widely used in escalator or footway.
The above; be only the utility model patent preferred embodiment; but the protection domain of the utility model patent is not limited thereto; anyly be familiar with those skilled in the art in the scope disclosed in the utility model patent; be equal to according to the technical scheme of the utility model patent and utility model design thereof and replaced or change, all belonged to the protection domain of the utility model patent.
Claims (7)
1. the escalator of pair permanent-magnet synchronous host driven or footway control system, comprise microcomputer plate and pedestrian detection device, described pedestrian detection device is arranged on the two ends on escalator or footway, it is characterized in that: also comprise the first permanent-magnet synchronous main frame, the second permanent-magnet synchronous main frame, primary transducer, from frequency converter and energy back feed device; Described primary transducer is connected with the first permanent-magnet synchronous main frame, for driving the first permanent-magnet synchronous main frame; Describedly to be connected from frequency converter with the second permanent-magnet synchronous main frame, for driving the second permanent-magnet synchronous main frame; Described first permanent-magnet synchronous main frame and the second permanent-magnet synchronous main frame are used for dragging staircase or footway; Described microcomputer plate is respectively with primary transducer, be connected from frequency converter and pedestrian detection device, described primary transducer, in parallel with energy back feed device from frequency converter.
2. the escalator of according to claim 1 pair of permanent-magnet synchronous host driven or footway control system, it is characterized in that: described primary transducer by first run contactless switch is connected with the band-type brake contactless switch of the first permanent-magnet synchronous main frame, described from frequency converter pass through second operation contactless switch be connected with the band-type brake contactless switch of the second permanent-magnet synchronous main frame.
3. the escalator of according to claim 1 pair of permanent-magnet synchronous host driven or footway control system, is characterized in that: the two-way communication interface of described microcomputer plate is respectively with primary transducer with carry out communication from frequency converter and be connected.
4. the escalator of the two permanent-magnet synchronous host driven according to any one of claim 1-3 or footway control system, it is characterized in that: described first permanent-magnet synchronous main frame is connected by drive shaft with between the second permanent-magnet synchronous main frame, and the first permanent-magnet synchronous main frame and the second permanent-magnet synchronous main frame are symmetricly set on the both sides of drive shaft; Described first permanent-magnet synchronous main frame and the second permanent-magnet synchronous main frame all contain drg, drive motor and gearing speed-reducer.
5. the escalator of the two permanent-magnet synchronous host driven according to any one of claim 1-3 or footway control system, it is characterized in that: described energy back feed device comprises electric network source access module, common DC bus load module, bus voltage monitoring modular and inverted power module, described common DC bus load module is connected with bus voltage monitoring modular respectively with inverted power module, and described electric network source access module is connected with inverted power module.
6. the escalator of the two permanent-magnet synchronous host driven according to any one of claim 1-3 or footway control system, is characterized in that: described primary transducer and be the frequency converter of four quadrant running from frequency converter.
7. the escalator of the two permanent-magnet synchronous host driven according to any one of claim 1-3 or footway control system, is characterized in that: described pedestrian detection device is opposite type sensor, microwave remote sensor or radar sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062015.0U CN204454215U (en) | 2015-01-28 | 2015-01-28 | The escalator of two permanent-magnet synchronous host driven or footway control system |
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| CN201520062015.0U CN204454215U (en) | 2015-01-28 | 2015-01-28 | The escalator of two permanent-magnet synchronous host driven or footway control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609289A (en) * | 2015-01-28 | 2015-05-13 | 广州广日电梯工业有限公司 | Control system and method for escalator or sidewalk driven by double permanent magnet synchronous main engines |
| RU216793U1 (en) * | 2022-08-18 | 2023-03-01 | Общество с ограниченной ответственностью "НТЦ Приводная Техника" | POWER DEVICE FOR DRIVES OF PAIR ESCALATORS OF ONCOMING TRAFFIC |
| CN115833071A (en) * | 2022-11-09 | 2023-03-21 | 中联重科股份有限公司 | Multi-motor driving system and feedback energy dissipation method and system thereof |
-
2015
- 2015-01-28 CN CN201520062015.0U patent/CN204454215U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609289A (en) * | 2015-01-28 | 2015-05-13 | 广州广日电梯工业有限公司 | Control system and method for escalator or sidewalk driven by double permanent magnet synchronous main engines |
| RU216793U1 (en) * | 2022-08-18 | 2023-03-01 | Общество с ограниченной ответственностью "НТЦ Приводная Техника" | POWER DEVICE FOR DRIVES OF PAIR ESCALATORS OF ONCOMING TRAFFIC |
| CN115833071A (en) * | 2022-11-09 | 2023-03-21 | 中联重科股份有限公司 | Multi-motor driving system and feedback energy dissipation method and system thereof |
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