CN210944480U - Energy-saving device of escalator - Google Patents
Energy-saving device of escalator Download PDFInfo
- Publication number
- CN210944480U CN210944480U CN201922095543.7U CN201922095543U CN210944480U CN 210944480 U CN210944480 U CN 210944480U CN 201922095543 U CN201922095543 U CN 201922095543U CN 210944480 U CN210944480 U CN 210944480U
- Authority
- CN
- China
- Prior art keywords
- contactor
- driving motor
- escalator
- control end
- microcontroller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009193 crawling Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000257303 Hymenoptera Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses an automatic economizer of staircase, the package economizer includes microcontroller, super capacitor, photoelectric switch subassembly, drive unit, the converter, the operation contactor, the braking contactor, the running switch, driving motor and install in the human inductor in staircase entrance and exit, photoelectric switch subassembly and human inductor are connected with microcontroller respectively, super capacitor passes through the dc-to-ac converter and is connected with drive unit's power input control end, drive unit's output control end passes through converter and driving motor's frequency conversion end electric connection, three-phase alternating current wire passes through the output of running switch and is connected with operation contactor and braking contactor respectively, microcontroller's output control end through the control end of operation contactor and the control end of braking contactor respectively with driving motor's control end electric connection. The utility model discloses can adjust driving motor's functioning speed, improve the reliability and the commonality of automatic escalator operation greatly, avoid the waste of electric energy.
Description
Technical Field
The utility model belongs to the technical field of automatic escalator control system, especially, relate to an energy-saving device of automatic escalator.
Background
The escalator is applied to places such as hotels, shopping malls, subways, railway stations, office buildings and airports, and plays a very important role in facilitating customers and improving service quality. However, due to the particularity of the use occasions, part of the escalators are often in a light load or no-load state, which inevitably wastes a large amount of electric energy and can cause abrasion of the escalators. According to the related technical standard at present, the work busy degree of the escalator can be divided into a common type and a public traffic type. The most typical and common public transportation type escalator stops the operation of the escalator when no person takes the escalator, and starts the escalator when someone takes the escalator, so that the aim of saving electricity is fulfilled. However, this method has some disadvantages in that, first, when no one takes the escalator, the escalator is in a stopped state, so that most of passengers may consider the escalator to be stopped or in maintenance to turn to a nearby stair, especially when the stair is arranged in parallel with the escalator, thereby losing the function of the escalator. The most typical and most common public traffic type escalator is an outbound ascending escalator arranged in a subway station, and according to the results of field tests on the escalator, every time when a subway arrives at the station, the duration of the pedestrian flow owned by bees on the escalator is about 45 seconds, if the subway duration is calculated every 3 minutes, the load duration rate of the escalator is only about 25%, the escalator runs under no load or very low load in the rest of time, the public traffic type escalator is still and so, and the situations of the rest of common type escalators are not to mention. Therefore, it is very necessary to take energy saving measures for the escalator.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic escalator's economizer, the utility model discloses an economizer can adjust driving motor's functioning speed, improves the reliability and the commonality of system operation greatly, has avoided the waste of electric energy, has reduced the energy consumption. In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to the utility model discloses an aspect provides an economizer of automatic staircase, its characterized in that: the energy-saving device comprises a microcontroller, a super capacitor, a photoelectric switch component, a driving unit, a frequency converter, an operation contactor, a brake contactor, an operation switch, a driving motor and human body sensors arranged at the entrance and the exit of the escalator, the photoelectric switch assembly and the human body inductor are respectively connected with the microcontroller, the super capacitor is connected with the power input control end of the driving unit through the inverter, the output control end of the driving unit is electrically connected with the frequency conversion end of the driving motor through a frequency converter, a three-phase alternating current wire is respectively connected with the running contactor and the braking contactor through the output end of the running switch, the operation contactor and the brake contactor are interlocking contactors, and the output control end of the microcontroller is respectively and electrically connected with the control end of the driving motor through the control end of the operation contactor and the control end of the brake contactor.
Preferably, the energy-saving device further comprises an operating state display screen and a parameter setting keyboard, and the operating state display screen and the parameter setting keyboard are electrically connected with the microcontroller respectively.
Preferably, the photoelectric switch assembly is composed of 6 photoelectric switches respectively connected with the microcontroller.
Preferably, the driving motor is composed of a first variable-frequency driving motor and a second variable-frequency driving motor, a first variable-frequency contactor KM1 is arranged at the input end of the first variable-frequency driving motor, and a second variable-frequency contactor KM2 is further arranged at the input end of the second variable-frequency driving motor.
Above-mentioned scheme is preferred, the human sensor is located staircase entrance and exit, and is not less than 1.5m apart from staircase entrance and exit, the human sensor is infrared inductor, laser sensor or ultrasonic sensor.
To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:
the utility model discloses adjusting driving motor's functioning speed according to passenger's situation on the staircase, when nobody on the elevator, reduce driving motor's power supply frequency in order to reduce the energy consumption of motor, when the elevator is nobody to take for a long time, close the motor and make staircase stop motion or low-speed operation, when guest need take the staircase, staircase automatic smooth transition to normal speed is in order to improve conveying efficiency, improve the reliability and the commonality of system operation greatly, the waste of electric energy has been avoided, the energy consumption is reduced.
Drawings
Fig. 1 is a schematic diagram of an energy-saving device of an escalator of the present invention;
fig. 2 is an electrical connection diagram of an energy saving device of an escalator of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1 and 2, the energy saving device of an escalator according to the present invention comprises a microcontroller, a super capacitor, a photoelectric switch assembly, a driving unit, a frequency converter, a running contactor, a braking contactor, a running switch, a driving motor and a human body sensor installed at an entrance and an exit of the escalator, wherein the microcontroller is an FX2N-PLC programmable controller, the photoelectric switch assembly and the human body sensor are respectively connected with the microcontroller, the super capacitor is connected with a power input control end of the driving unit through an inverter, an output control end of the driving unit is electrically connected with a frequency conversion end of the driving motor through the frequency converter, a three-phase alternating current line is respectively connected with the running contactor and the braking contactor through an output end of the running switch, the running contactor and the braking contactor are interlocking contactors, the output control end of the microcontroller is respectively and electrically connected with the control end of the driving motor through the control end of the operating contactor and the control end of the braking contactor; in order to ensure the safe operation of the escalator, the super capacitor is connected in the circuit, when the driving motor drives the escalator to run upwards and downwards normally (in a variable frequency driving mode), energy generated by light load and heavy load is charged to the super capacitor, when the escalator runs in light load or no load, the microcontroller outputs a control signal to switch on the inverter, and at the moment, the super capacitor supplies power to the frequency converter, so that the driving motor continues to rotate, the escalator is driven to move, and the effect of effectively saving electricity under the normal running condition of the escalator is achieved.
In the utility model, as shown in fig. 1, the energy-saving device further comprises an operation state display screen and a parameter setting keyboard, the operation state display screen and the parameter setting keyboard are respectively electrically connected with the microcontroller, the parameter setting keyboard is used for inputting the input of a parameter setting key, a crawling key, an emergency stop key, a direction key and a start-stop key of the escalator operation, the parameter setting key inputs control parameter information to the microcontroller, such as the escalator operation speed, the photoelectric switch component and the time interval of the scanning detection of a human body sensor, the microcontroller outputs a start signal to drive the driving motor to operate after receiving a key signal of the crawling key, the microcontroller outputs a change of the rotation direction of the driving motor after receiving a key signal of the direction key, the microcontroller receives a key signal of the start-stop key, the microcontroller outputs a start or stop driving motor to operate, and when receiving a key signal of the emergency stop key, the microcontroller outputs a stop driving motor to operate and simultaneously drives the motor brake to close, and the operating condition of the escalator is displayed on the operating state display screen at the same time. The utility model discloses in, as shown in fig. 1, economizer still include with the angular velocity sensor that microcontroller connects, this angular velocity is used for measuring the rotational speed of the epaxial drive gear of driving motor output to acquire the functioning speed of staircase and send into microcontroller, thereby through microcontroller to driving motor functioning speed's control. Human sensor staircase entrance and exit, and the distance from staircase entrance and exit is not less than 1.5m, human sensor is infrared inductor, laser sensor or ultrasonic sensor, when the passenger gets into the staircase entry or leaves the staircase export, human sensor will detect whether the passenger is close to the staircase or leaves the staircase, when the passenger is close to and gets into the staircase, driving motor opens and slowly accelerate the operation, treat after the passenger leaves the staircase, human sensor continues to detect whether have the passenger to be close to in setting for the time, if not, then get into the slow operating condition of economize on electricity, thereby the idle running condition of staircase when unmanned taking can not appear, the waste of electric energy has been avoided. The photoelectric switch assembly is composed of 6 photoelectric switches respectively connected with a microcontroller, wherein 1 photoelectric switch is respectively installed at the upper end and the lower end of the step, 1 photoelectric switch is respectively installed at the upper end and the lower end of the handrail, safe operation signals of the handrail and the step are detected through the photoelectric switches, driving motors are arranged at the upper end and the lower end of the step, driving gears on output shafts of the driving motors at the two ends are detected through the photoelectric switches, the driving gears on the output shafts of the driving motors at the two ends are connected through step chain transmission, 1 photoelectric switch is respectively arranged for detecting the safe distance between the driving gear and the step chain, if the driving gear on the output shaft of the driving motor inclines, the safe operation signals of the driving gears are detected through the photoelectric switches, and the safe signals detected by the 6 photoelectric switches are sent into the microcontroller for judgment through a logic processing circuit, the logic processing circuit is composed of a photoelectric coupler and a Schmidt trigger, and signals detected by the photoelectric switch are judged and shaped by the photoelectric coupler and the Schmidt trigger and then are sent to the micro-controller, so that the detection accuracy of the photoelectric switch is improved, and the running safety of the elevator is ensured.
In the utility model, as shown in fig. 1 and fig. 2, the driving motor comprises a first variable frequency driving motor VFD and a second variable frequency driving motor ML, a first variable frequency contactor KM1 is arranged at the input end of the first variable frequency driving motor VFD, a second variable frequency contactor KM5 is arranged at the input end of the second variable frequency driving motor ML, the second variable frequency driving motor ML is driven by a first variable frequency driving module FR and a second variable frequency driving module to perform variable frequency operation, the second variable frequency driving motor ML adopts a double-speed alternating current asynchronous motor, three-phase alternating current wires L1, L2 and L3 are respectively connected with an operating contactor KM3 and a braking contactor KM4 after passing through an operating switch KM2, when the operating contactor KM3 is powered in an attracting mode and the second variable frequency contactor KM5 is powered in an attracting mode, a normally open contact of the second variable frequency contactor KM5 is self-locked after being maintained for a certain time, and the normally open contact is self-locked through an auxiliary normally open contact, the normally closed contact of the brake contactor KM4 is pulled in to realize interlocking, at the moment, the brake contactor KM4 is powered off, and the escalator enters a high-speed running state; when the braking contactor KM4 is attracted to be electrified and is self-locked by starting the auxiliary normally open contact, the normally closed contact of the operation contactor KM3 is attracted to realize interlocking, so that the operation contactor KM3 is powered off, and the escalator enters a low-speed operation state after the second variable-frequency contactor KM5 is self-maintained for a certain time; the running switch KVS adopts a power monitoring relay to control a total power supply of three-phase alternating current electric wires L1, L2 and L3, after the running switch KVS is switched on, a power supply can be provided for the whole energy-saving device, and the microcontroller controls the first variable-frequency contactor KM1, the running switch KM2, the second variable-frequency contactor KM5 and the running contactor KM3 to realize a variable-frequency running mode, namely, the variable-frequency driving mode is adopted during normal running.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. An energy-saving device of an escalator is characterized in that: the energy-saving device comprises a microcontroller, a super capacitor, a photoelectric switch component, a driving unit, a frequency converter, an operation contactor, a brake contactor, an operation switch, a driving motor and human body sensors arranged at the entrance and the exit of the escalator, the photoelectric switch assembly and the human body inductor are respectively connected with the microcontroller, the super capacitor is connected with the power input control end of the driving unit through the inverter, the output control end of the driving unit is electrically connected with the frequency conversion end of the driving motor through a frequency converter, a three-phase alternating current wire is respectively connected with the running contactor and the braking contactor through the output end of the running switch, the operation contactor and the brake contactor are interlocking contactors, and the output control end of the microcontroller is respectively and electrically connected with the control end of the driving motor through the control end of the operation contactor and the control end of the brake contactor.
2. The escalator energy-saving device according to claim 1, characterized in that: the energy-saving device further comprises an operating state display screen and a parameter setting keyboard, wherein the operating state display screen and the parameter setting keyboard are electrically connected with the microcontroller respectively.
3. An escalator energy saving device according to claim 1 or 2, characterized in that: the photoelectric switch assembly consists of 6 photoelectric switches which are respectively connected with the microcontroller.
4. The escalator energy-saving device according to claim 1, characterized in that: the driving motor comprises first frequency conversion driving motor and second frequency conversion driving motor, is provided with first frequency conversion contactor KM1 at first frequency conversion driving motor's input, second frequency conversion driving motor's input still is provided with second frequency conversion contactor KM 2.
5. The escalator energy-saving device according to claim 1, characterized in that: the human body sensor is located at the entrance and the exit of the escalator and is not less than 1.5m away from the entrance and the exit of the escalator, and the human body sensor is an infrared sensor, a laser sensor or an ultrasonic sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095543.7U CN210944480U (en) | 2019-11-28 | 2019-11-28 | Energy-saving device of escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095543.7U CN210944480U (en) | 2019-11-28 | 2019-11-28 | Energy-saving device of escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210944480U true CN210944480U (en) | 2020-07-07 |
Family
ID=71374861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922095543.7U Active CN210944480U (en) | 2019-11-28 | 2019-11-28 | Energy-saving device of escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210944480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239129A (en) * | 2020-08-25 | 2021-01-19 | 武汉理工大学 | Novel energy-saving escalator based on regenerative braking and gravity work-doing balance principle and control method |
-
2019
- 2019-11-28 CN CN201922095543.7U patent/CN210944480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239129A (en) * | 2020-08-25 | 2021-01-19 | 武汉理工大学 | Novel energy-saving escalator based on regenerative braking and gravity work-doing balance principle and control method |
| CN112239129B (en) * | 2020-08-25 | 2023-06-06 | 武汉理工大学 | A new type of energy-saving escalator and its control method based on the principle of regenerative braking and gravity work balance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102085985B (en) | Elevator power saving system and power saving method | |
| CN103508286B (en) | Elevator safety protection method | |
| CN103523624B (en) | Backup rescue system of elevator | |
| CN206857918U (en) | A kind of intelligent passageway mobile unit and the apparatus and system using the unit | |
| CN106904512A (en) | A kind of intelligent passageway mobile unit and the apparatus and system using the unit | |
| CN105398929A (en) | Escalator drive control system | |
| CN210944480U (en) | Energy-saving device of escalator | |
| CN107572321B (en) | Capacity-increasing speed-increasing high-capacity passenger elevator and control method thereof | |
| CN104030145B (en) | Frequency converting controller for moving staircase and method thereof | |
| CN207346922U (en) | The high transport power passenger lift of increase-volume speed-raising | |
| CN202201606U (en) | Energy-saving elevator system | |
| CN103601063A (en) | Full-automatic frequency conversion energy-saving escalator | |
| CN205998842U (en) | A kind of automatic energy saving staircase control system | |
| JP6352498B1 (en) | Passenger conveyor | |
| CN2471761Y (en) | Energy saving controller for electric moving staircase | |
| CN210048351U (en) | Automatic door and escalator linkage system | |
| CN209974079U (en) | Escalator's of security drive assembly | |
| CN202785222U (en) | Energy-saving automatic escalator | |
| CN2711115Y (en) | Device for controlling simple lifting/lowering freight lift used in building construction | |
| CN2286741Y (en) | Frequency-chanageable voltage-variable ac. speed-adjusting dual-purpose elevator both for passenger and goods | |
| CN2340751Y (en) | Frequency converting controller for moving staircase | |
| CN2347945Y (en) | Elevator power failure automatic leveling device | |
| JP7238953B1 (en) | escalator | |
| CN115303916B (en) | Braking device capable of braking with high precision for traction elevator and use method of braking device | |
| CN222989496U (en) | Circuit for outdoor escalator entrance and exit control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |