CN110543136A - Monitoring control system of movable curtain - Google Patents
Monitoring control system of movable curtain Download PDFInfo
- Publication number
- CN110543136A CN110543136A CN201910822576.9A CN201910822576A CN110543136A CN 110543136 A CN110543136 A CN 110543136A CN 201910822576 A CN201910822576 A CN 201910822576A CN 110543136 A CN110543136 A CN 110543136A
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- unit
- curtain
- monitoring
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- programmable logic
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The present invention relates to a monitoring control system for a moving curtain for controlling a drive unit and monitoring the movement of the moving curtain, the monitoring control system comprising: the operation unit is connected with the control unit, the control unit is respectively connected with the driving unit and the signal feedback unit, and the operation unit is used for acquiring instructions input by a user; the signal feedback unit is used for detecting different parking positions and initial positions of the movable curtain on each track; the control unit is used for receiving an instruction input by a user, performing related drive control on the drive unit, and acquiring a signal and a related control instruction sent by the signal feedback unit. The monitoring and control system for the movable curtain controls the related motors to control and monitor the running condition of the curtain and can ensure the safe operation of the curtain through related measures.
Description
Technical Field
the invention belongs to the field of monitoring and control, and relates to a monitoring and control system for a movable curtain.
Background
The movable curtain is a novel external decorative structure, namely a three-layer external decorative structure which is similar to a curtain and can rotate around a building is formed by surrounding an aluminum alloy pipe at the periphery of the building, and the movable curtain is used for beautifying the building and surrounding building groups. The pipe curtain of the movable curtain is fixed on the driving mechanism, the driving mechanism is arranged on the track of the hanging bracket, and the track is arranged around the building and fixed on the eave, so that the driving mechanism drives the pipe curtain to move around the eave when the driving mechanism drives the pipe curtain to move along the track.
A monitoring and control system for moving the curtain is a device for controlling related motors of a driving mechanism and monitoring the running condition of the curtain, and can ensure the safe operation of the curtain through related measures. Currently, there is little research on control systems and monitoring systems for moving curtains, and the present invention proposes a set of technical solutions to meet design requirements.
disclosure of Invention
the invention aims to provide a monitoring and controlling system for moving a curtain, which is used for controlling a related motor of a driving unit and monitoring the running condition of the curtain and can ensure the safe operation of the curtain through related measures.
In order to achieve the above purpose, the solution of the invention is as follows:
In one embodiment, a monitoring and control system for moving a shade for controlling a drive unit and monitoring movement of the moving shade includes: an operation unit, a signal feedback unit and a control unit, wherein the operation unit is connected with the control unit, the control unit is respectively connected with the driving unit and the signal feedback unit,
the operation unit is used for acquiring an instruction input by a user;
The signal feedback unit is used for detecting different parking positions and initial positions of the movable curtain on each track;
The control unit is used for receiving an instruction input by a user, performing related drive control on the drive unit, and acquiring a signal and a related control instruction sent by the signal feedback unit.
In one embodiment, the control unit includes a programmable logic controller and a frequency converter, the programmable logic controller is respectively connected to the signal feedback unit and the frequency converter, the programmable logic controller is further connected to the operation unit, the operation unit sends an operation instruction to the programmable logic controller, and the programmable logic controller performs related driving control on the driving unit through the frequency converter.
in one embodiment, the operation unit comprises a human-machine interface and an operation panel, the human-machine interface and the operation panel are respectively connected with the programmable logic controller,
The human-computer interface is used for manual operation and setting automatic linkage tracks of the movable curtain on the plurality of tracks according to user requirements, so that the purpose of different stopping effects is achieved;
and an operation panel for controlling movement and stop of the moving curtain of the single track, respectively, at a parking position decided by a user.
In one embodiment, the signal feedback unit comprises a position sensor, a wind speed sensor and an encoder, the position sensor, the wind speed sensor and the encoder are all connected with the programmable logic controller for acquiring the working information of the moving curtain, the working information comprises position, speed and outside wind speed.
In one embodiment, each track is provided with at least six position sensors and an encoder, wherein five position sensors are used for displaying the effect of the parking position of the trolley, the other position sensor is used for detecting the return to the initial position, and the encoder is used for monitoring the walking distance and the walking speed of the moving curtain on each track in real time.
In one embodiment, the monitoring control system further comprises an alarm unit, the alarm unit is respectively connected with the driving unit and the signal feedback unit and used for giving an alarm when system electrical equipment detects a fault, and the alarm unit is further connected with the human-computer interface so that fault information is recorded on the human-computer interface, and information can be consulted during later fault diagnosis;
The alarm unit comprises one or more of a buzzer and an alarm lamp.
in one embodiment, the wind speed sensors are located on the outer sides of the tracks and used for detecting external wind speeds, the wind speed sensors send signals to the programmable logic controller, the programmable logic controller receives the signals and diagnoses the signals, and when the external wind speeds exceed a preset threshold value, the programmable logic controller sends an operation instruction to the frequency converter to enable the movable curtains of the tracks to run to a leeward side so as to reduce the influence of wind loads on equipment.
In one embodiment, the electric cabinet is used for providing electric power and comprises two electric cabinets and an electric bridge, the incoming line of each electric cabinet is 380V three-phase five-line, the electric power consumption is 50kw, each electric cabinet is provided with more driving output cables and sensor input signal cables, and the width of each electric bridge is larger than or equal to 200 mm.
due to the adoption of the scheme, the invention has the beneficial effects that: the monitoring control system of the movable curtain controls related motors of the driving units and monitors the running condition of the curtain, and can ensure the safe operation of the curtain through related measures when the wind speed sensor detects that the strong wind exceeds more than 6 grades, and the programmable logic controller sends an operation command to the movable curtain to run to the leeward side so as to reduce the influence of wind load on equipment. In addition, all drive, control and signal feedback units all adopt import module, and control system takes each item action interlocking protection device, and system job stabilization, the reliability is high.
Drawings
FIG. 1 is a schematic view of a supervisory control system according to the present invention;
FIG. 2 is a schematic diagram of an overall monitoring and control system of the present invention;
FIG. 3 is a schematic diagram of an electrical cabinet arrangement of the monitoring and control system of the present invention;
FIG. 4 is a logic flow diagram of the monitoring control system according to the present invention;
FIG. 5 is a flow chart of the high wind alert mode of the present invention;
FIG. 6 is a flow chart of the fault alert mode of the present invention;
FIG. 7 is a flow chart of a follow-up mode of operation of the present invention;
FIG. 8 is a flow chart of the location mode of operation of the present invention.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
In one embodiment, a monitoring and control system for moving a shade for controlling a drive unit and monitoring movement of the moving shade, the monitoring and control system comprising: an operation unit, a signal feedback unit and a control unit, wherein the operation unit is connected with the control unit, the control unit is respectively connected with the driving unit and the signal feedback unit,
The operation unit is used for acquiring an instruction input by a user;
The signal feedback unit is used for detecting different parking positions and initial positions of the movable curtain on each track;
the control unit is used for receiving an instruction input by a user, performing related drive control on the drive unit, and acquiring a signal and a related control instruction sent by the signal feedback unit.
as shown in fig. 1, the whole system has three tracks, each track is provided with a set of driving unit, the driving unit comprises two sets of driving mechanisms, the two sets of driving mechanisms comprise a first driving mechanism and a second driving mechanism, under normal operation, the movable curtain of each track is driven by the first driving mechanism, the second driving mechanism is used as a standby, and the power of a driving motor of each set of driving mechanism is 5.5 KW. This control system is designed to control the operation of the 6 drive motors distributed on the three rails and thus drive the curtain to different positions by means of a central control unit in the electric room, said central control unit comprising an operating unit and a control unit. For a single track, the following conditions may occur due to the field dynamic effect: each track rests in an initial position: the device is a parking position when not working at ordinary times, and the parking position is the position which is influenced the least when strong typhoon comes.
each track is provided with 5 position sensors with different effects for parking positions, and the combined result of the three tracks can form 125 different parking effects. The dynamic effect required to be presented by each track can be monitored by the encoder in real time, and the travelling distance and the travelling speed of the movable curtain on each track can be monitored by the encoder.
in one embodiment, the operation unit includes:
The human-computer interface is used for manual operation and setting automatic linkage tracks of the movable curtain on the plurality of tracks according to user requirements, so that the purpose of different stopping effects is achieved; each track is provided with 5 parking positions with different effects, the combined result of the three tracks can form 125 different parking effects,
And an operation panel for controlling movement and stop of the moving curtain of the single track, respectively, at a parking position decided by a user.
In one embodiment, the control unit includes a programmable logic controller and a frequency converter, the programmable logic controller is respectively connected to the signal feedback unit and the frequency converter, the programmable logic controller is further connected to the operation unit, the operation unit sends an operation instruction to the programmable logic controller, the programmable logic controller performs related drive control on the drive unit through the frequency converter, and the frequency converter is selected for performing related drive control on the reduction motor in order to effectively control and protect the drive unit. Safety protection measures such as a fuse, an electromagnetic anti-interference device and the like are added at the front end of the frequency converter.
In this embodiment, the signal feedback unit includes a position sensor, a wind speed sensor, and an encoder, and the position sensor, the wind speed sensor, and the encoder are all connected to the programmable logic controller to obtain working information of the movable curtain, where the working information includes a position, a speed, and an external wind speed, and the waterproof rating of the position and the wind speed sensor is IP67 or higher.
In this embodiment, each track is equipped with at least 6 position sensors for detecting a stop position effect display of the moving curtain and another position sensor for detecting when returning to the initial position, and an encoder for monitoring the distance traveled and speed traveled by the moving curtain on each track in real time.
The wind speed sensors are located on the outer sides of the three tracks and used for detecting external wind speeds, the wind speed sensors send wind speed signals to the programmable logic controller, the programmable logic controller receives the signals, and when the detected external wind speeds exceed a preset threshold value, the programmable logic controller sends operation instructions to the frequency converter and the frequency converter is used for enabling the movable curtains of the multiple tracks to run to a leeward side so as to reduce influences of wind loads on equipment.
as shown in fig. 2, the system includes a display touch screen (human-computer interface), a PLC (Programmable Logic Controller), a frequency converter, a driving mechanism, a position sensor, a wind speed sensor, and an operation panel.
In one embodiment, the monitoring control system further comprises an alarm unit, the alarm unit is respectively connected with the driving unit and the signal feedback unit, namely the alarm unit is connected with a motor of the driving unit and is also respectively connected with a position sensor, an air speed sensor and an encoder and used for giving an alarm when system electrical equipment detects a fault, and the alarm unit is also connected with the human-computer interface so that fault information is recorded on the human-computer interface and information is consulted during later fault diagnosis; the alarm unit includes one or more of a buzzer and an alarm lamp.
referring to fig. 4, fig. 4 is a main logic control flow of the system, considering the operation safety of the equipment, the curtain driving mechanism works below 6 grades of wind, and stops at a wind-sheltering position above six grades of wind, so in the control algorithm, the wind speed detection is a main factor of safety consideration, and the wind speed detection is divided into two modes of automatic detection of a wind speed sensor and manual alarm. And after the wind speed is alarmed, the system starts an emergency plan, and the equipment returns to the initial wind shielding position.
Referring to fig. 5, fig. 5 is a flow chart of a strong wind warning mode, if the wind speed sensor detects that the strong wind exceeds 8 levels, all systems are kept in place and the motor brake is fully braked. To prevent tassels from being blown by strong wind. If the motor fails in the strong wind alarm mode, the emergency processing mode is started, one motor brake is opened, and the other motor intermittently moves to the original position in a cycle of every minute so as to ensure that the tassels can return to the initial position.
Referring to fig. 6, fig. 6 is a flow chart of a fault alarm operation mode, in a normal operation, when a fault alarm occurs in a device, alarm items are first displayed, and then responses are respectively made according to alarm contents.
Referring to fig. 7, fig. 7 is a flow chart of a follow-up operation mode, in which the motor performs forward rotation and reverse rotation control according to a rotation direction command, and displays a corresponding travel stroke and a corresponding speed on a liquid crystal display.
referring to fig. 8, fig. 8 is a flowchart of a position operation mode, in the position mode, a position instruction signal source is first determined, then the forward and reverse installation directions of the motor are automatically determined according to the stroke information fed back by the encoder, and the motor is started to rotate until the corresponding position is reached.
In one embodiment, the control unit further comprises a diagnosis module, the diagnosis module is connected with the alarm unit, the diagnosis module is connected with the programmable logic controller, the programmable logic controller sends the acquired signals to the diagnosis module, the diagnosis module is used for receiving the alarm signals of the alarm unit and diagnosing the related motor state of the driving unit, the monitoring control system comprises an alarm mode and a working mode, the alarm mode comprises a strong wind alarm working mode and a fault alarm working mode, when the system is in the strong wind alarm working mode, the diagnosis module is used for acquiring the position of the movable curtain, and if the movable curtain is stopped at the initial position, the first driving mechanism is kept still, namely the motor is kept still; if the movable curtain is not stopped at the initial position, the diagnosis module further diagnoses whether the motor of the first driving mechanism is in fault, if the motor is in fault, an emergency processing mode is adopted, the programmable logic controller drives the second driving mechanism to return to the initial position through the frequency converter, and if the motor is not in fault, the programmable logic controller drives the first driving mechanism to return to the initial position through the frequency converter. When the monitoring system is in a fault alarm mode, the diagnosis module is used for judging fault reasons according to an alarm signal source, wherein the fault reasons comprise position sensor faults, encoder faults and motor faults.
the working modes are set through a human-computer interface, the working modes comprise a follow-up working mode and a position working mode and can be switched mutually, the driving mechanism of each track in the follow-up mode can set independent speed and direction respectively to walk, a full dynamic feeling and stereoscopic impression can be presented, and in the position mode, the movable curtain can be selected from 5 positions in each track, and 125 combinations are provided in total, so that three layers of tassels can present multiple effects.
in one embodiment, the monitoring control system further comprises an electrical cabinet for providing power, the electrical cabinet comprises two electrical cabinets and an electrical bridge, the electrical cabinet incoming line is 380V three-phase five-line, the power consumption is 50kw, the electrical cabinets have more driving output cables and sensor input signal cables, and the width of the electrical bridge is greater than or equal to 200 mm. Specifically, as shown in fig. 3, two electrical boxes are arranged in the electrical cabinet, each electrical box has a size of 1200mm (long) × 400mm (wide) × 2000mm (high), and the two electrical boxes are arranged in parallel; the distance between the back of the electrical box and the wall is more than or equal to 200mm, a space for walking and debugging operation is reserved on the front of the electrical box, and the distance between the side of the electrical box and the wall or other equipment is more than or equal to 300 mm; the electric box is provided with more driving output cables and sensor input signal cables, and the width of the electric bridge is more than or equal to 200 mm; the site selection of the electric room preferably meets the requirements of electric incoming and outgoing lines, electric box transportation, installation, maintenance, management and the like, and is far away from the place of facilities influencing the normal work of the system; the electric room environment keeps clean and tidy, has good ventilation environment, has the air conditioner room to be good, makes things convenient for the electrical equipment heat dissipation.
The scheme designs a plurality of control schemes aiming at various different working conditions, such as strong wind, equipment failure and the like; in addition, all drive and control detection unit all adopt import module, and control system takes each item action interlocking protection device, and system job stabilization, the reliability is high.
The embodiments described above are intended to facilitate the understanding and appreciation of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (8)
1. a monitor and control system for moving a shade for controlling a drive unit and monitoring movement of the moving shade, the monitor and control system comprising: an operation unit, a signal feedback unit and a control unit, wherein the operation unit is connected with the control unit, the control unit is respectively connected with the driving unit and the signal feedback unit,
the operation unit is used for acquiring an instruction input by a user;
The signal feedback unit is used for detecting different parking positions and initial positions of the movable curtain on each track;
The control unit is used for receiving an instruction input by a user, performing related drive control on the drive unit, and acquiring a signal and a related control instruction sent by the signal feedback unit.
2. A monitoring and control system for a moving curtain as claimed in claim 1, wherein the control unit includes a programmable logic controller and a frequency converter, the programmable logic controller is connected to the signal feedback unit and the frequency converter, respectively, the programmable logic controller is further connected to the operation unit, the operation unit sends an operation command to the programmable logic controller, and the programmable logic controller performs related drive control on the drive unit through the frequency converter.
3. A monitoring control system for a moving curtain as claimed in claim 2, wherein the operator units include a human-machine interface and an operator panel, the human-machine interface and the operator panel being respectively connected to the programmable logic controller,
The human-computer interface is used for manual operation and setting automatic linkage tracks of the movable curtain on the plurality of tracks according to user requirements, so that the aim of different stopping effects is fulfilled;
The operating panel is used for respectively controlling the movement and the stop of the moving curtain of the single track, and the stop position is determined by a user.
4. a monitoring control system for a moving curtain as claimed in claim 2, wherein the signal feedback unit includes a position sensor, a wind speed sensor and an encoder, the position sensor, the wind speed sensor and the encoder being connected to the programmable logic controller for obtaining operational information about the moving curtain, the operational information including position, speed of travel and ambient wind speed.
5. A monitoring control system for a moving curtain as claimed in claim 4, wherein each track has at least six position sensors mounted thereon, five of which are used for the purpose of displaying the effects of the parked position of the cart, and another of which is used for detection of the return to the home position, and an encoder for monitoring the distance traveled and the speed traveled of the moving curtain on each track in real time.
6. A monitoring and control system for a moving curtain as claimed in claim 3, wherein the monitoring and control system further comprises an alarm unit, the alarm unit is respectively connected with the driving unit and the signal feedback unit and is used for alarming when system electrical equipment detects a fault, and the alarm unit is further connected with the human-computer interface so as to record fault information on the human-computer interface and refer to the information during later fault diagnosis;
the alarm unit comprises one or more of a buzzer and an alarm lamp.
7. The system as recited in claim 4, wherein said wind speed sensors are located on the outside of each of said tracks for sensing ambient wind speed, said wind speed sensors sending signals to said programmable logic controller, said programmable logic controller receiving said signals and diagnosing, said programmable logic controller sending operational instructions to said frequency converter for moving the moving curtains of the plurality of tracks to a leeward side for reducing the effect of wind loading on the equipment when the ambient wind speed exceeds a predetermined threshold.
8. The monitoring control system for a moving curtain as claimed in claim 1, further comprising an electrical cabinet for providing power, the electrical cabinet comprising two electrical cabinets and an electrical bridge, the electrical cabinet incoming line is 380V three-phase five-wire, the power consumption is 50kw, the electrical cabinets have more drive output cables and sensor input signal cables, and the width of the electrical bridge is greater than or equal to 200 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822576.9A CN110543136B (en) | 2019-09-02 | 2019-09-02 | Monitoring control system of movable curtain |
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|---|---|---|---|
| CN201910822576.9A CN110543136B (en) | 2019-09-02 | 2019-09-02 | Monitoring control system of movable curtain |
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| CN110543136B CN110543136B (en) | 2021-11-12 |
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| CN110543136B (en) | 2021-11-12 |
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