CN105223846A - A kind of shutter control system and roller shutter control method - Google Patents

Abstract

The embodiment of the invention discloses a kind of shutter control system and a kind of roller shutter control method, wherein, described system comprises: master controller, communication module, angular transducer, limiting and protecting device and driving governor; Angular transducer is arranged on the cantilever of shutter, for gathering the angle information of described cantilever; Communication module, for receiving steering order, and is sent to master controller by steering order; Master controller, for determining the real time position of roller shutter to the angle information analysis of angular transducer collection; And, response limiting instruction, and according to the real time position determined, send the first operational order to driving governor; Driving governor, for performing the operation indicated by the first operational order, controls the folding and unfolding of roller shutter; Limiting and protecting device, for monitoring the position of roller shutter, the auto-breaking when roller shutter exceedes extreme higher position or extreme lower position is also reported to the police., equipment flimsy problem low by the efficiency that the invention solves the existence of manual control shutter.

Description

A roller blind machine control system and a roller blind control method

technical field

The invention relates to the technical field of roller blinds, in particular to a roller blind control system and a roller blind control method based on the roller blind control system.

Background technique

The rolling machine, also known as the greenhouse rolling machine, is mainly used in agricultural production such as greenhouses. According to the placement position, it can be divided into ground-climbing roller roller blinds and rear-pull upper roller blinds. The emergence of roller blinds has greatly promoted the mechanization of the greenhouse industry and reduced the labor burden of farmers. It can be used with thermal insulation quilt and thermal insulation blanket.

However, when using the roller shutter machine at present, it is usually to manually operate the roller shutter machine to control the retraction and retraction of the roller blind, which is labor-intensive, especially in large-scale greenhouses, where the number of roller shutter machines is huge. It will consume a lot of time and be inefficient to manually complete the retraction and retraction of each roller blind.

Moreover, it is also difficult to accurately control the retractable distance of the roller blind by manual operation, and there are often problems of equipment damage due to the retraction and retraction of the roller blind beyond the maximum limit position, which poses a serious safety hazard.

Contents of the invention

Embodiments of the present invention provide a roller blind machine control system and a roller blind control method based on the roller blind machine control system, so as to solve the problems of low efficiency and easy damage of equipment existing in manual control of roller blind machines.

In order to solve the above problems, the embodiment of the present invention discloses a roller blind machine control system, including: a main controller, a communication module, an angle sensor, a limit protection device and a drive controller; the main controller communicates with the Module, angle sensor, limit protection device and drive controller connection;

in,

The angle sensor is arranged on the cantilever of the roller blind machine, and is used to collect the angle information of the cantilever;

The communication module is configured to receive a control command and send the control command to the main controller;

The main controller is used to analyze the angle information collected by the angle sensor to determine the real-time position of the roller blind of the roller blind machine; and respond to the control instruction, and according to the determined real-time position of the roller blind position, sending a first operation instruction to the drive controller;

The drive controller is configured to execute the operation indicated by the first operation instruction, and control the retraction and retraction of the roller blind;

The limit protection device is used for monitoring the position of the roller blind, and automatically cuts off the power and gives an alarm when the roller blind exceeds the highest position or the lowest position.

Optionally, the limit protection device includes: a first permanent magnet, a second permanent magnet and at least one Hall proximity switch;

in,

The first permanent magnet and the second permanent magnet are respectively arranged at the highest position and the lowest position of the roller blind;

The at least one Hall proximity switch is arranged on both sides of the reducer of the shutter machine;

The at least one Hall proximity switch is used to monitor the first permanent magnet and the second permanent magnet, and report a monitoring signal to the main controller;

The main controller is further configured to judge whether the roller blind has reached the highest position or the lowest position according to the monitoring signal, and, when it is determined that the roller blind has reached the highest or lowest position, send the first 2. Operating instructions;

The drive controller is further configured to execute the operation indicated by the second operation instruction; wherein, the operation indicated by the second operation instruction includes at least one of the following operations: controlling the roller blind to rotate forward, reverse and power down.

Optionally, the system further includes: a power management device, the power management device is respectively connected to the main controller, the communication module, the angle sensor, the limit protection device and the drive controller;

in,

The power management device includes: a solar photovoltaic panel, a lithium battery pack, a power management controller, a switching module and a step-up chopper circuit module;

The power management controller is used to control the charging and discharging of the lithium battery pack, and control the switching of the switching module;

The switching module is used to switch the circuit and control the lithium battery pack or the solar photovoltaic panel as the power supply;

The boost chopper circuit module is used to boost the output voltage of the lithium battery pack.

Optionally, the power management device further includes: a control circuit module;

The main controller is also used to send a forward rotation signal or a reverse rotation signal to the control circuit module;

The control circuit module is used to respectively power on the forward rotation relay or the reverse rotation relay of the roller blind machine according to the forward rotation signal or the reverse rotation signal, so as to control the retraction and retraction of the roller blind.

Optionally, the system further includes: at least one standard common interface for connecting with a third-party system.

Optionally, the main controller includes: an STM32 chip; the communication module includes: a ZigBee module in the 780MHz frequency band.

In order to solve the above problems, the embodiment of the present invention also discloses a roller blind control method based on the roller blind machine control system, which is characterized in that it includes:

Sending the control command received through the communication module to the main controller, and sending the angle information of the cantilever collected by the angle sensor installed on the cantilever of the roller blind machine to the main controller;

The main controller analyzes the angle information to determine the real-time position of the roller blind of the roller blind machine, and responds to the control instruction, according to the determined real-time position of the roller blind, to the drive control The device sends the first operation instruction;

controlling the retraction and retraction of the roller blind by driving the controller to execute the operation indicated by the first operation instruction; and,

The position of the roller shutter is monitored by the limit protection device, and when the roller shutter exceeds the highest position or the lowest position, it will automatically cut off the power and give an alarm.

Optionally, monitoring the position of the roller blind through the limit protection device, and automatically powering off and alarming when the roller blind exceeds the highest position or the lowest position, including:

Monitoring the first permanent magnet and the second permanent magnet arranged at the highest position and the lowest position of the roller blind through at least one Hall proximity switch, and reporting a monitoring signal to the main controller;

Analyze the monitoring signal through the main controller to judge whether the roller blind has reached the highest position or the lowest position, and when it is determined that the roller blind has reached the highest or lowest position, send the first 2. Operating instructions;

Execute the operation indicated by the second operation instruction through the drive controller; wherein, the operation indicated by the second operation instruction includes at least one of the following operations: control the forward rotation, reverse rotation and power-off of the roller blind .

Optionally, the method further includes: supplying power to the main controller, communication module, angle sensor, limit protection device and drive controller through a power management device;

Wherein, the power supply to the main controller, communication module, angle sensor, limit protection device and drive controller through the power management device includes:

Through the switching module, the circuit is switched to be powered by the solar photovoltaic panel, and the electric energy generated by the solar photovoltaic panel is respectively output to the main controller, the communication module, the angle sensor, the limit protection device and the drive controller, and the lithium battery group; and control the charging of the lithium battery pack through the power management controller;

or,

Through the switching module, the circuit is switched to the lithium battery pack for power supply, the discharge of the lithium battery pack is controlled by the power management controller, and the output voltage of the lithium battery pack is boosted by the step-up chopper circuit module and then output to the Describe the main controller, communication module, angle sensor, limit protection device and drive controller.

Optionally, the power supply to the main controller, communication module, angle sensor, limit protection device and drive controller through the power management device further includes:

sending a forward rotation signal or a reverse rotation signal to the control circuit module through the main controller;

Responding to the forward rotation signal or the reverse rotation signal, the control circuit module powers on the forward rotation relay or the reverse rotation relay of the roller blind machine respectively to control the retraction and retraction of the roller blind.

The present invention has following beneficial effects:

The invention discloses a control scheme of a roller blind machine. The main controller is respectively connected with a communication module, an angle sensor, a limit protection device and a drive controller; The angle information of the cantilever; the communication module is used to receive control instructions and send the control instructions to the main controller; the main controller is used to analyze the angle information collected by the angle sensor determining the real-time position of the roller blind of the roller blind machine; and, in response to the control instruction, and according to the determined real-time position of the roller blind, sending a first operation instruction to the drive controller; the drive controller , for performing the operation indicated by the first operation instruction, and controlling the retraction and retraction of the roller blind; the limit protection device is used for monitoring the position of the roller blind, and when the roller blind exceeds the highest position or the lowest position Automatic power off and alarm. It can be seen that in this embodiment, the angle information of the cantilever can be obtained through the angle sensor, and then the real-time position of the roller blind can be determined, and the retractable distance of the roller blind can be controlled according to the real-time position of the roller blind, so as to realize precise control of the roller blind.

Moreover, the present invention can protect the retraction and retraction of the roller blind through the limit protection device, prevent equipment failure caused by the retraction and retraction of the roller blind beyond the maximum limit position, and improve the reliability and stability of the system.

Furthermore, on the basis of the communication module, angle sensor, limit protection device and drive controller, the present invention can complete the automatic and intelligent management of the roller shutter machine through the main controller, and can perform batch control on multiple roller shutter machines , greatly improving work efficiency.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same parts. In the attached picture:

Fig. 1 is a structural block diagram of a roller blind machine control system in Embodiment 1 of the present invention;

Fig. 2 is a structural block diagram of a roller blind machine control system in Embodiment 2 of the present invention;

Fig. 3 is a structural block diagram of a limit protection device in Embodiment 2 of the present invention;

FIG. 4 is a structural block diagram of a power management device in Embodiment 2 of the present invention;

Fig. 5 is a flow chart of the steps of a roller blind control method based on the roller blind machine control system in Embodiment 3 of the present invention;

Fig. 6 is a flow chart of the steps of a roller blind control method based on the roller blind machine control system in Embodiment 4 of the present invention.

detailed description

In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the machine or element referred to must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

Embodiment one

Referring to Fig. 1 , it shows a structural block diagram of a roller blind machine control system in Embodiment 1 of the present invention. In this embodiment, the roller blind machine control system may include: a main controller 1 , a communication module 2 , an angle sensor 3 , a limit protection device 4 and a drive controller 5 . Wherein, the main controller 1 can be respectively connected with the communication module 2 , the angle sensor 3 , the limit protection device 4 and the drive controller 5 . It should be clear to those skilled in the art that the connection described in this embodiment can be, but not limited to: connection through an interface (for example, the signal output interface of the communication module 2 is connected to the signal input interface of the main controller 1 ); and, network connection is performed based on a wireless data transmission protocol or an IP protocol (Internet Protocol, a protocol for interconnection between networks).

In this embodiment, the angle sensor 3 can be arranged on the cantilever of the roller blind machine, and is used to collect angle information of the cantilever. For example, the angle sensor 3 installed on the cantilever can obtain the inclination information of the cantilever and the ground, or measure the Euler angle of the cantilever.

The communication module 2 is configured to receive control instructions and send the control instructions to the main controller. The communication module 2 can receive the control instruction input by the user, and send the control instruction to the main controller 1 . It should be noted that the communication module 2 may use any appropriate communication method to receive and transmit data. For example, a connection with a remote client can be established through the communication module 2 to realize the remote control of the roller blind machine control system by the user.

The main controller 1 can be used to analyze the angle information collected by the angle sensor 3 to determine the real-time position of the roller blind of the roller blind machine; The real-time position of the curtain is sent to the drive controller 5 with a first operation instruction.

For example, when the control instruction instructs to retract the roller blind, the main controller 1 can determine the current position of the roller blind according to the angle information of the cantilever collected by the angle sensor 3, and according to the current position of the roller blind An operation instruction for instructing to retract the roller blind is sent to the drive controller 5, wherein the operation instruction for instructing to retract the roller blind may include: the need to retract according to the current position of the roller blind The length information of the roller blind, so that the drive controller 5 controls the roller blind to retract the length indicated by the length information, avoiding insufficient or excessive retraction of the roller blind, and realizing precise control of the position of the roller blind. For the lowering process of the roller blind, reference may be made to the above-mentioned retracting process of the roller blind, which will not be described one by one here.

The drive controller 5 is configured to execute the operation indicated by the first operation instruction, and control the retraction and retraction of the roller blind.

The limit protection device 4 is used to monitor the position of the roller blind, and automatically cut off the power and give an alarm when the roller blind exceeds the highest position or the lowest position.

In this embodiment, when the shutter machine has not stopped working when the shutter exceeds the highest position or the lowest position, the shutter machine can be powered off with the limit protection device 4 to protect the shutter machine. Limit the roller blind. Avoid roller blinds exceeding the set minimum or maximum position. Prevent damage to the roller blind machine caused by mechanical or human failures that cause the roller blind to exceed the maximum movable range.

In summary, this embodiment discloses a roller blind machine control system, including: a main controller, a communication module, an angle sensor, a limit protection device, and a drive controller; the main controller communicates with the communication module, the angle sensor, the The limit protection device is connected to the drive controller; the angle sensor is arranged on the cantilever of the roller shutter machine, and is used to collect the angle information of the cantilever; the communication module is used to receive control instructions, and transmit the control instructions sent to the main controller; the main controller is used to analyze the angle information collected by the angle sensor to determine the real-time position of the roller blind of the roller blind machine; and respond to the control instruction, and according to The determined real-time position of the roller blind sends a first operation instruction to the drive controller; the drive controller is configured to perform the operation indicated by the first operation instruction and control the retraction and retraction of the roller blind ; The limit protection device is used to monitor the position of the roller blind, and when the roller blind exceeds the highest position or the lowest position, it will automatically cut off the power and give an alarm. It can be seen that in this embodiment, the angle information of the cantilever can be obtained through the angle sensor, and then the real-time position of the roller blind can be determined, and the retractable distance of the roller blind can be controlled according to the real-time position of the roller blind, so as to realize precise control of the roller blind.

Moreover, in this embodiment, the retraction and retraction of the roller blind can be protected by the limit protection device, preventing equipment failure caused by the retraction and retraction of the roller blind beyond the maximum limit position, and improving the reliability and stability of the system.

Furthermore, in this embodiment, on the basis of the communication module, angle sensor, limit protection device and drive controller, the automatic intelligent management of the roller blind machine can be completed through the main controller, and batch processing of multiple roller blind machines can be performed. control, greatly improving work efficiency.

Embodiment two

Referring to FIG. 2 , it shows a structural block diagram of a roller blind machine control system in Embodiment 2 of the present invention. In this embodiment, the roller blind machine control system may include: a main controller 1 , a communication module 2 , an angle sensor 3 , a limit protection device 4 and a drive controller 5 . Wherein, the main controller 1 is respectively connected with the communication module 2 , the angle sensor 3 , the limit protection device 4 and the driving controller 5 .

In this embodiment, the angle sensor 3 may be arranged on the cantilever of the roller blind machine, and the angle sensor 3 may specifically be an angle sensor for collecting angle information of the cantilever.

The communication module 2 may specifically be a communication module for receiving control instructions and sending the control instructions to the main controller 1 . For example, ZigBee (a low-power local area network protocol based on IEEE802.15.4 standard) module with a working frequency band of 780MHz can be used, but not limited to, as the communication module 2. The ZigBee module effectively avoids the traditional 433MHz and 2.4GHz frequency bands, and has little interference , strong penetrability, longer transmission distance and better communication quality, which enhances the stability and reliability of the system's long-distance wireless communication.

Specifically, the main controller 1 may be used to analyze the angle information collected by the angle sensor to determine the real-time position of the roller blind of the roller blind machine; The real-time position of the curtain, the controller that sends the first operation instruction to the drive controller, for example, may, but is not limited to, use an STM32 chip as the main controller 1 .

Specifically, the drive controller 5 may be a drive controller for performing the operation indicated by the first operation instruction and controlling the retraction and retraction of the roller blind.

The limit protection device 4 can specifically be a device for monitoring the position of the roller blind, and automatically powering off and giving an alarm when the roller blind exceeds the highest position or the lowest position.

In a preferred solution of this embodiment, refer to FIG. 3 , which shows a structural block diagram of a limit protection device in Embodiment 2 of the present invention. In this embodiment, the limit protection device 4 may include: a first permanent magnet 401 , a second permanent magnet 402 and at least one Hall proximity switch. The first permanent magnet 401 and the second permanent magnet 402 can be respectively arranged at the highest position and the lowest position of the roller blind; the at least one Hall proximity switch can be arranged at the deceleration of the roller blind machine on both sides of the machine. The at least one Hall proximity switch and the first permanent magnet 401 and the second permanent magnet 402 may be connected based on the Hall effect. It should be noted that the at least one Hall proximity switch can also be connected to the main controller 1 through an interface or any other appropriate way.

Preferably, the at least one Hall proximity switch can be used to monitor the first permanent magnet 401 and the second permanent magnet 402 , and report a monitoring signal to the main controller 1 . The main controller 1 can also be used to judge whether the roller blind has reached the highest position or the lowest position according to the monitoring signal, and, when it is determined that the roller blind has reached the highest or the lowest position, send a notification to the drive controller Send the second operation instruction. Preferably, when it is determined that the roller blind has reached the highest or lowest position, the main controller 1 can also be used to send an alarm message. Correspondingly, the drive controller 5 can also be used to execute the operation indicated by the second operation instruction. Wherein, the operation indicated by the second operation instruction includes at least one of the following operations: controlling the roller blind to rotate forward, reverse, and power off.

In yet another preferred solution of this embodiment, as shown in FIG. 2 above, the roller blind machine control system may further include: a power management device 6 . The power management device 6 can be respectively connected with the main controller 1 , the communication module 2 , the angle sensor 3 , the limit protection device 4 and the drive controller 5 . The power management device 6 can be used to intelligently manage the power supply and power usage of the entire system.

Referring to FIG. 4 , it shows a structural block diagram of a power management device in Embodiment 2 of the present invention. In this embodiment, the power management device 6 may include: a solar photovoltaic panel 601 , a lithium battery pack 602 , a power management controller 603 , a switching module 604 and a step-up chopper circuit module 605 . The connection structure of the solar photovoltaic panel 601, lithium battery pack 602, power management controller 603, switching module 604 and step-up chopper circuit module 605 can be referred to as shown in Figure 4, the power management controller 603 is connected with the solar photovoltaic panel respectively 601 , the switching module 604 is connected to the lithium battery pack 602 ; the switching module 604 can also be connected to the solar photovoltaic panel 601 , and connected to the lithium battery pack 602 through the step-up chopper circuit module 605 .

Wherein, the power management controller 603 can be used to control the charging and discharging of the lithium battery pack, and control the switching of the switching module. The switching module 604 is used to switch the circuit and control the lithium battery pack 602 or the solar photovoltaic panel 601 as the power supply. The boost chopper circuit module 605 is used to boost the output voltage of the lithium battery pack 602 .

In another preferred solution of this embodiment, the power management device 6 may further include: a control circuit module. The main controller 1 can also be used to send a forward rotation signal or a reverse rotation signal to the control circuit module. The control circuit module is used to respectively power on the forward rotation relay or the reverse rotation relay of the roller blind machine according to the forward rotation signal or the reverse rotation signal, so as to control the retraction and retraction of the roller blind.

It should be noted that, in this embodiment, the power management controller 603, the switch module 604, the step-up chopper circuit module 605 and the control circuit module can be, but not limited to, arranged on one hardware circuit board. The power management device 6 can use an anti-reverse charging circuit to automatically adjust the charging current through thermal feedback, so as to limit the chip temperature under high-power operation or high ambient temperature conditions. The maximum charging current can reach 1A, and the intelligent thermal regulation function can realize the intelligent recharging function to maximize the charging rate. In theoretical design, a 3.7V/10000MAh lithium battery pack can be fully charged within 10 hours.

In addition, the roller blind machine control system may further include: at least one standard universal interface for connecting with a third-party system. For example, through the at least one standard universal interface and based on the networking network covered by the ZigBee module, the roller shutter machine control system can be integrated with other third-party systems such as the existing Internet of Things system in the park to realize the control of the roller shutter. Wireless remote intelligent control of the machine.

In summary, this embodiment discloses a roller blind machine control system, including: a main controller, a communication module, an angle sensor, a limit protection device, and a drive controller; the main controller communicates with the communication module, the angle sensor, the The limit protection device is connected to the drive controller; the angle sensor is arranged on the cantilever of the roller shutter machine, and is used to collect the angle information of the cantilever; the communication module is used to receive control instructions, and transmit the control instructions sent to the main controller; the main controller is used to analyze the angle information collected by the angle sensor to determine the real-time position of the roller blind of the roller blind machine; and respond to the control instruction, and according to The determined real-time position of the roller blind sends a first operation instruction to the drive controller; the drive controller is configured to perform the operation indicated by the first operation instruction and control the retraction and retraction of the roller blind ; The limit protection device is used to monitor the position of the roller blind, and when the roller blind exceeds the highest position or the lowest position, it will automatically cut off the power and give an alarm. It can be seen that in this embodiment, the angle information of the cantilever can be obtained through the angle sensor, and then the real-time position of the roller blind can be determined, and the retractable distance of the roller blind can be controlled according to the real-time position of the roller blind, so as to realize precise control of the roller blind.

Moreover, in this embodiment, the retraction and retraction of the roller blind can be protected by the limit protection device, preventing equipment failure caused by the retraction and retraction of the roller blind beyond the maximum limit position, and improving the reliability and stability of the system.

Furthermore, in this embodiment, on the basis of the communication module, angle sensor, limit protection device and drive controller, the automatic intelligent management of the roller blind machine can be completed through the main controller, and batch processing of multiple roller blind machines can be performed. control, greatly improving work efficiency.

In addition, this embodiment can use ZigBee modules in the 780MHz frequency band for networking, effectively avoiding the traditional 433MHz and 2.4GHz frequency bands, with low interference, strong penetration, and longer transmission distance and better communication quality. The stability and reliability of the remote wireless communication of the system are improved, and this embodiment also provides at least one standard common interface for connecting with a third-party system, which can be integrated with the Internet of Things in the production park through the at least one standard common interface, Complete the point-to-point control and broadcast control from the control terminal to the park, with a wide range of control and flexible control modes.

Embodiment three

Based on the above system embodiment, this embodiment discloses a roller blind control method based on the above roller blind machine control system. In this embodiment, as shown in FIG. 1 above, the roller shutter machine control system may include: a main controller 1 , a communication module 2 , an angle sensor 3 , a limit protection device 4 and a drive controller 5 .

Referring to FIG. 5 , it shows a flow chart of the steps of a roller blind control method based on the roller blind machine control system in Embodiment 3 of the present invention. In this embodiment, the roller blind control method based on the roller blind machine control system may include:

Step S502, sending the control command received through the communication module 2 to the main controller 1, and sending the angle information of the cantilever collected by the angle sensor 3 installed on the cantilever of the roller blind machine to the main controller 1.

Step S504, analyzing the angle information through the main controller 1, determining the real-time position of the roller blind of the roller shutter machine, and responding to the control instruction, according to the determined real-time position of the roller blind, Send the first operation instruction to the drive controller 1 .

Step S506, controlling the retraction and retraction of the roller blind by driving the controller 5 to execute the operation indicated by the first operation instruction.

Step S508, monitor the position of the roller blind through the limit protection device 4, and automatically cut off the power and give an alarm when the roller blind exceeds the highest position or the lowest position.

In summary, this embodiment discloses a method for controlling a roller blind machine, which sends the control commands received through the communication module to the main controller, and sends the control commands collected by the angle sensor installed on the cantilever of the roller blind machine to the main controller. The angle information of the cantilever is sent to the main controller; the main controller analyzes the angle information to determine the real-time position of the roller blind of the roller blind machine, and responds to the control instruction, according to the determined roller blind position. The real-time position of the curtain is sent to the drive controller to send the first operation command; the drive controller executes the operation indicated by the first operation command to control the retraction and retraction of the roller blind; The position of the roller shutter, and when the roller shutter exceeds the highest position or the lowest position, it will automatically cut off the power and give an alarm. It can be seen that in this embodiment, the angle information of the cantilever can be obtained through the angle sensor, and then the real-time position of the roller blind can be determined, and the retractable distance of the roller blind can be controlled according to the real-time position of the roller blind, so as to realize precise control of the roller blind.

Moreover, in this embodiment, the retraction and retraction of the roller blind can be protected by the limit protection device, preventing equipment failure caused by the retraction and retraction of the roller blind beyond the maximum limit position, and improving the reliability and stability of the system.

Furthermore, in this embodiment, on the basis of the communication module, angle sensor, limit protection device and drive controller, the automatic intelligent management of the roller blind machine can be completed through the main controller, and batch processing of multiple roller blind machines can be performed. control, greatly improving work efficiency.

Embodiment Four

In this embodiment, a method for controlling a roller blind in a roller blind machine control system is described in detail in combination with the above system embodiments. Referring to FIG. 6 , it shows a flow chart of the steps of a roller blind control method based on the roller blind machine control system in Embodiment 4 of the present invention.

Wherein, the roller blind control method based on the roller blind machine control system may include:

Step S602, send the control instruction received through the communication module 2 to the main controller 1, and send the angle information of the cantilever collected by the angle sensor 3 installed on the cantilever of the roller blind machine to the main controller 1.

Step S604, analyzing the angle information through the main controller 1, determining the real-time position of the roller blind of the roller blind machine, and responding to the control instruction, according to the determined real-time position of the roller blind, Send the first operation instruction to the drive controller 5 .

In this embodiment, the main controller 1 can filter and fuse the angle information to obtain the real-time position of the roller blind, and then control the roller blind to reach a designated position. For example, the main controller 1 can solve and filter the Euler angle measured by the angle sensor (such as MPU6050 angle sensor) to obtain the angle between the cantilever and the ground, and then compare it with the initial angle during installation and the preset model. Yes, and then get the real-time position of the roller blind,

Step S606, controlling the retraction and retraction of the roller blind by driving the controller 5 to execute the operation indicated by the first operation instruction.

Step S608, monitor the position of the roller blind through the limit protection device 4, and automatically cut off the power and give an alarm when the roller blind exceeds the highest position or the lowest position.

In this embodiment, the step S608 may specifically include:

Sub-step S6082, monitor the first permanent magnet 401 and the second permanent magnet 402 arranged at the highest position and the lowest position of the roller blind through at least one Hall proximity switch, and report to the main controller 1 monitor signal.

In sub-step S6084, the main controller 1 analyzes the monitoring signal to determine whether the roller blind has reached the highest position or the lowest position, and when it is determined that the roller blind has reached the highest or lowest position, send the The drive controller 5 sends the second operation instruction.

Sub-step S6086, execute the operation indicated by the second operation instruction through the drive controller 5; wherein, the operation indicated by the second operation instruction includes at least one of the following operations: controlling the roller blind to rotate forward, reverse and power down.

In a preferred version of this embodiment, the method also includes:

Step S610 , supplying power to the main controller 1 , communication module 2 , angle sensor 3 , limit protection device 4 and drive controller 5 through the power management device 6 .

It should be noted that there is no necessary sequence between the step S610 and the above step S602-step S608. Generally, the step S610 can be executed in parallel with any one or more steps of the step S602-step S608. In this embodiment There is no limit to this.

Preferably, the step S610 may specifically include: switching the circuit to power the solar photovoltaic panel 601 through the switching module 604, and outputting the electric energy generated by the solar photovoltaic panel 601 to the main controller 1, the communication module 2, the The angle sensor 3 , the limit protection device 4 and the drive controller 5 , and the lithium battery pack 602 ; and the charging of the lithium battery pack 602 is controlled by the power management controller 603 . Or, switch the circuit to the lithium battery pack 602 to supply power through the switching module 604, control the discharge of the lithium battery pack 602 through the power management controller 603, and output the lithium battery pack 602 through the step-up chopper circuit module 605 The voltage is boosted and then output to the main controller 1 , communication module 2 , angle sensor 3 , limit protection device 4 and drive controller 5 .

In this embodiment, the solar photovoltaic panel 601 can be used to convert solar energy into electrical energy, and the power management controller 603 can control the switching of the switching module 604 according to the light intensity of the outside world. Switching between board 601 and lithium battery pack 602. For example, when the external light intensity meets the set light intensity requirements, the power management controller 603 can control the switching module 604 to switch the circuit to the solar photovoltaic panel 601 for power supply, and the electric energy converted by the solar photovoltaic panel 601 One part is used to supply the normal operation of each device (module) in the shutter machine control system, and the other part can be used for charging the lithium battery pack 602 . When the external light intensity does not meet the set light intensity requirement, the power management controller 603 can control the switching module 604 to switch the circuit to the lithium battery pack 602 for power supply. Wherein, the voltage released by the lithium battery pack 602 can be converted into a working voltage that meets the requirements by the step-up chopper circuit module 605 .

Alternatively, the step S610 may further include: sending a forward rotation signal or a reverse rotation signal to the control circuit module through the main controller 1; responding to the forward rotation signal or the reverse rotation signal through the control circuit module , respectively energizing the forward rotation relay or the reverse rotation relay of the roller blind machine to control the retraction and retraction of the roller blind.

In this embodiment, when the main controller 1 controls the main board to give a high-potential (for example, 3.3V) forward rotation signal, the optocoupler is driven, and the forward rotation relay is powered on, so that the roller blind machine rotates forward. When the main controller 1 controls the main board to give a high-potential inversion signal, it drives the optocoupler, and the inversion relay is powered on, so that the roller blind machine inverts. When no signal is given, it is in a power-off state.

In summary, this embodiment discloses a method for controlling a roller blind machine, which sends the control commands received through the communication module to the main controller, and sends the control commands collected by the angle sensor installed on the cantilever of the roller blind machine to the main controller. The angle information of the cantilever is sent to the main controller; the main controller analyzes the angle information to determine the real-time position of the roller blind of the roller blind machine, and responds to the control instruction, according to the determined roller blind position. The real-time position of the curtain is sent to the drive controller to send the first operation command; the drive controller executes the operation indicated by the first operation command to control the retraction and retraction of the roller blind; The position of the roller shutter, and when the roller shutter exceeds the highest position or the lowest position, it will automatically cut off the power and give an alarm. It can be seen that in this embodiment, the angle information of the cantilever can be obtained through the angle sensor, and then the real-time position of the roller blind can be determined, and the retractable distance of the roller blind can be controlled according to the real-time position of the roller blind, so as to realize precise control of the roller blind.

Moreover, in this embodiment, the retraction and retraction of the roller blind can be protected by the limit protection device, preventing equipment failure caused by the retraction and retraction of the roller blind beyond the maximum limit position, and improving the reliability and stability of the system.

Furthermore, in this embodiment, on the basis of the communication module, angle sensor, limit protection device and drive controller, the automatic intelligent management of the roller blind machine can be completed through the main controller, and batch processing of multiple roller blind machines can be performed. control, greatly improving work efficiency.

In addition, this embodiment can use ZigBee modules in the 780MHz frequency band for networking, effectively avoiding the traditional 433MHz and 2.4GHz frequency bands, with low interference, strong penetration, and longer transmission distance and better communication quality. The stability and reliability of the remote wireless communication of the system are improved, and this embodiment also provides at least one standard common interface for connecting with a third-party system, which can be integrated with the Internet of Things in the production park through the at least one standard common interface, Complete the point-to-point control and broadcast control from the control terminal to the park, with a wide range of control and flexible control modes.

It should be noted that, for the description of the method embodiment, for the sake of simple description, it is expressed as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence, because Certain steps may be performed in other orders or simultaneously in accordance with the present invention. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions involved are not necessarily required by the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. A roller blind machine control system, comprising: the device comprises a main controller, a communication module, an angle sensor, a limit protection device and a drive controller; the main controller is respectively connected with the communication module, the angle sensor, the limiting protection device and the driving controller;

wherein,

the angle sensor is arranged on a cantilever of the rolling machine and used for acquiring angle information of the cantilever;

the communication module is used for receiving a control instruction and sending the control instruction to the main controller;

the main controller is used for analyzing the angle information acquired by the angle sensor to determine the real-time position of the roller shutter machine; responding to the control command, and sending a first operation command to the driving controller according to the determined real-time position of the roller shutter;

the driving controller is used for executing the operation indicated by the first operation instruction and controlling the rolling shutter to be retracted;

the limiting protection device is used for monitoring the position of the roller shutter and automatically cutting off the power and giving an alarm when the roller shutter exceeds the highest position or the lowest position.

2. The system of claim 1, wherein the position limiting protection device comprises: the Hall switch comprises a first permanent magnet, a second permanent magnet and at least one Hall proximity switch;

wherein,

the first permanent magnet and the second permanent magnet are respectively arranged at the highest position and the lowest position of the roller shutter;

the at least one Hall proximity switch is arranged on two sides of a speed reducer of the curtain rolling machine;

the at least one Hall proximity switch is used for monitoring the first permanent magnet and the second permanent magnet and reporting monitoring signals to the main controller;

the main controller is further used for judging whether the roller shutter reaches the highest position or the lowest position according to the monitoring signal, and sending a second operation instruction to the driving controller when the roller shutter is determined to reach the highest position or the lowest position;

the driving controller is further used for executing the operation indicated by the second operation instruction; wherein the operation indicated by the second operation instruction comprises at least one of the following operations: controlling the roller shutter to rotate forwards, reversely and cut off the power.

3. The system of claim 1, further comprising: the power management device is respectively connected with the main controller, the communication module, the angle sensor, the limiting protection device and the driving controller;

wherein,

the power management device comprises: the solar photovoltaic panel, the lithium battery pack, the power management controller, the switching module and the boost chopper circuit module;

the power management controller is used for controlling the charging and discharging of the lithium battery pack and controlling the switching of the switching module;

the switching module is used for switching the circuit and controlling the lithium battery pack or the solar photovoltaic panel to be used as a power supply;

and the boost chopper circuit module is used for boosting the output voltage of the lithium battery pack.

4. The system of claim 3, wherein the power management device further comprises: a control circuit module;

the main controller is also used for sending a forward rotation signal or a reverse rotation signal to the control circuit module;

and the control circuit module is used for electrifying the forward rotation relay or the reverse rotation relay of the roller shutter machine according to the forward rotation signal or the reverse rotation signal so as to control the rolling shutter to be folded and unfolded.

5. The system of claim 1, further comprising: and the standard general interface is used for connecting with a third-party system.

6. The system of claim 1,

the main controller includes: an STM32 chip;

the communication module includes: ZigBee module in 780MHz frequency band.

7. A roller shutter control method based on a roller shutter control system is characterized by comprising the following steps:

sending a control instruction received by the communication module to the main controller, and sending the angle information of the cantilever, which is acquired by an angle sensor arranged on the cantilever of the rolling machine, to the main controller;

analyzing the angle information through the main controller to determine the real-time position of a roller shutter of the roller shutter machine, responding to the control command, and sending a first operation command to the driving controller according to the determined real-time position of the roller shutter;

controlling the rolling shutter to be retracted and extended by the driving controller to execute the operation indicated by the first operation instruction; and the number of the first and second groups,

the position of the roller shutter is monitored through a limiting protection device, and when the roller shutter exceeds the highest position or the lowest position, the power is automatically cut off and an alarm is given.

8. The method of claim 7, wherein the monitoring of the position of the roller shutter by the position limit protection device and the automatic power off and alarm when the roller shutter exceeds the highest position or the lowest position comprises:

monitoring a first permanent magnet and a second permanent magnet which are arranged at the highest position and the lowest position of the roller shutter through at least one Hall proximity switch, and reporting monitoring signals to the main controller;

analyzing the monitoring signal through the main controller, judging whether the roller shutter reaches the highest position or the lowest position, and sending a second operation instruction to the driving controller when the roller shutter is determined to reach the highest position or the lowest position;

executing, by the drive controller, an operation indicated by the second operation instruction; wherein the operation indicated by the second operation instruction comprises at least one of the following operations: controlling the roller shutter to rotate forwards, reversely and cut off the power.

9. The method of claim 1, further comprising: the power supply management device supplies power to the main controller, the communication module, the angle sensor, the limiting protection device and the driving controller;

wherein, through power management device to main control unit, communication module, angle sensor, spacing protection device and drive controller power supply include:

the circuit is switched into a solar photovoltaic panel to supply power through a switching module, and electric energy generated by the solar photovoltaic panel is respectively output to the main controller, the communication module, the angle sensor, the limiting protection device, the driving controller and the lithium battery pack; the charging of the lithium battery pack is controlled through the power management controller;

or,

through switching the module, switch the circuit into the power supply of lithium cell group, through the discharge of power management controller control lithium cell group to, it is right through the chopper circuit module that steps up the output voltage of lithium cell group exports after stepping up extremely main control unit, communication module, angle sensor, spacing protection device and drive controller.

10. The method of claim 9, wherein the power is supplied to the master controller, the communication module, the angle sensor, the limit protection device, and the drive controller by a power management device, further comprising:

sending a forward rotation signal or a reverse rotation signal to a control circuit module through the main controller;

and the control circuit module responds to the forward rotation signal or the reverse rotation signal, and the forward rotation relay or the reverse rotation relay of the roller shutter machine is electrified respectively to control the rolling shutter to be folded and unfolded.