CN113367551A - Intelligent curtain control system, intelligent curtain and control method - Google Patents
Intelligent curtain control system, intelligent curtain and control method Download PDFInfo
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- CN113367551A CN113367551A CN202110799974.0A CN202110799974A CN113367551A CN 113367551 A CN113367551 A CN 113367551A CN 202110799974 A CN202110799974 A CN 202110799974A CN 113367551 A CN113367551 A CN 113367551A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 97
- 230000000630 rising effect Effects 0.000 claims abstract description 45
- 238000005286 illumination Methods 0.000 claims description 29
- 239000003990 capacitor Substances 0.000 claims description 28
- 230000008859 change Effects 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 25
- 239000000779 smoke Substances 0.000 claims description 15
- 238000011217 control strategy Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004590 computer program Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 230000003287 optical effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H5/00—Devices for drawing draperies, curtains, or the like
- A47H5/02—Devices for opening and closing curtains
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/08—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
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Abstract
The application provides an intelligent curtain control system, an intelligent curtain and a control method. The intelligent curtain control system comprises: a curtain motor; the first end of the relay is connected with the curtain motor; the first end of the voltage sampling module is connected with the second end of the relay, and when the relay is in a closed state, the voltage sampling module is used for acquiring a voltage variation waveform in a circuit when the curtain motor runs; and the control module is respectively connected with the second end of the voltage sampling module and the control end of the relay, and is used for controlling the relay to be opened and controlling the relay to be closed when the number of the rising edges in the voltage variation waveform sent by the voltage sampling module reaches the target number, so that the curtain motor stops running, and further the opening and closing degree of the curtain reaches the target opening and closing degree. Compared with the prior art, the intelligent curtain control system provided by the application can achieve accurate control of the opening and closing degree of the curtain through control of the number of rising edges in the voltage variation waveform.
Description
Technical Field
The application relates to the technical field of smart homes, in particular to an intelligent curtain control system, an intelligent curtain and a control method.
Background
Along with the improvement of life concepts and consumption levels of people, more and more intelligent household products are brought into the life of people, so that the life of people is more convenient. The electric curtain is also called an intelligent curtain and comprises an intelligent control system for controlling the opening and closing of the curtain, a wireless controller, a motor for pulling the curtain, a pulling mechanism and the like. The electric curtain is the same as the traditional curtain in nature, and is mainly used for shading light, protecting personal privacy and meeting various requirements of users.
At present, most of intelligent curtains on the market are controlled to be opened and closed through a wall body key switch or a touch screen switch. Specifically, a user sends a control command to the electric transmission system through a switch; the motor transmission system drives the curtain to move back and forth along the track based on the control instruction, so that the curtain is opened or closed. However, the intelligent curtain in the prior art can only control the curtain to be fully opened or fully closed, and cannot control the opening and closing degree of the curtain as required.
Disclosure of Invention
An object of the embodiment of the application is to provide an intelligent curtain control system, an intelligent curtain and a control method, so that the opening and closing degree of the intelligent curtain can be controlled as required.
The invention is realized by the following steps:
in a first aspect, an embodiment of the present application provides an intelligent curtain control system, including: the curtain motor is used for driving the curtain to open and close; the first end of the relay is connected with the curtain motor; the first end of the voltage sampling module is connected with the second end of the relay, and when the relay is in a closed state, the voltage sampling module is used for acquiring a voltage variation waveform in a circuit when the curtain motor runs; the control module is respectively connected with the second end of the voltage sampling module and the control end of the relay, and is used for controlling the relay to be opened and controlling the relay to be closed when the number of rising edges in the voltage variation waveform sent by the voltage sampling module reaches a target number, so that the curtain motor stops running, and the opening and closing degree of the curtain reaches a target opening and closing degree; the control module stores the total number of rising edges in the voltage change waveform collected by the voltage sampling module when the curtain is completely closed to completely opened.
The embodiment of the application provides an intelligence (window) curtain control system, through add voltage sampling module in order to obtain the voltage variation waveform of (window) curtain motor in the circuit when the operation for when the number of control module can be when the number of rising edge reaches the target number in the voltage variation waveform that voltage sampling module sent, control (window) curtain motor stall, and then make the degree of opening and shutting of (window) curtain reach the target degree of opening and shutting. Compared with the prior art, the intelligent curtain control system provided by the application can achieve accurate control of the opening and closing degree of the curtain through control of the number of the rising edges in the voltage variation waveform, and improves the use experience of a user.
With reference to the technical solution provided by the first aspect, in some possible implementation manners, the voltage sampling module includes a sampling resistor and a voltage comparison chip; the first end of the sampling resistor is connected with the second end of the relay, the second end of the sampling resistor is used for being connected with a live wire, the first end of the sampling resistor is further connected with the first end of the voltage comparison chip, the second end of the sampling resistor is further connected with the second end of the voltage comparison chip, and the third end of the voltage comparison chip is connected with the control module; the voltage comparison chip is used for acquiring the voltages at two ends of the sampling resistor, comparing the voltages with a reference voltage and generating the voltage change waveform.
In the embodiment of the application, the voltage change waveform in the line of the curtain motor during operation can be obtained only through the sampling resistor and the voltage comparison chip, and the voltage sampling module is simpler in structure and lower in cost in the mode.
With reference to the technical solution provided by the first aspect, in some possible implementation manners, the voltage sampling module further includes a first current-limiting resistor, a second current-limiting resistor, a first pull-down capacitor, and a second pull-down capacitor; the first end of the first current limiting resistor is connected with the first end of the sampling resistor, the second end of the first current limiting resistor is connected with the first end of the voltage comparison chip, the first end of the second current limiting resistor is connected with the second end of the sampling resistor, and the second end of the second current limiting resistor is connected with the second end of the voltage comparison chip; the first end of the first pull-down capacitor is connected with the second end of the first current-limiting resistor, the second end of the first pull-down capacitor is grounded, the first end of the second pull-down capacitor is connected with the second end of the second current-limiting resistor, and the second end of the second pull-down capacitor is grounded.
In the embodiment of the application, the first current limiting resistor, the second current limiting resistor, the first pull-down capacitor and the second pull-down capacitor can effectively protect the voltage comparison chip.
With reference to the technical solution provided by the first aspect, in some possible implementations, the intelligent curtain control system further includes a communication module; the communication module is connected with the control module; the communication module is used for receiving an opening and closing instruction sent by the terminal equipment; wherein, the opening and closing instruction comprises the target opening and closing degree; the control module is used for controlling the relay to be opened based on the opening and closing instruction, and controlling the relay to be closed when the number of rising edges in the voltage variation waveform sent by the voltage sampling module reaches the target number, so that the curtain motor stops running, and the opening and closing degree of the curtain reaches the target opening and closing degree.
In the embodiment of the application, the communication module is additionally arranged in the intelligent curtain control system, so that the remote control of the curtain can be conveniently realized, convenience is provided for a user, and the user experience is further improved.
In combination with the technical solution provided by the first aspect, in some possible implementation manners, the control module is further configured to control the relay to be turned on based on a preset control strategy, and to control the relay to be turned off when the number of rising edges in a voltage variation waveform sent by the voltage sampling module reaches a preset number, so that the curtain motor stops operating, and further the opening and closing degree of the curtain reaches a first preset opening and closing degree; the preset control strategy comprises control time and the first preset opening and closing degree.
The intelligent curtain control system that this application embodiment provided can also carry out corresponding control according to preset control strategy, for example controls the opening time and the degree of opening and shutting of curtain every day according to user's demand, and through this mode, further improvement the flexibility and the convenience that the user used the curtain.
With reference to the technical solution provided by the first aspect, in some possible implementation manners, the intelligent curtain control system further includes a touch screen; the touch screen is connected with the control module; the touch screen is used for receiving a click event of a user; sending an opening and closing instruction to the control module based on the click event; wherein the opening and closing instruction comprises the target opening and closing degree; the control module is used for controlling the relay to be opened based on the opening and closing instruction, and controlling the relay to be closed when the number of rising edges in the voltage variation waveform sent by the voltage sampling module reaches the target number, so that the curtain motor stops running, and the opening and closing degree of the curtain reaches the target opening and closing degree.
In the embodiment of the application, the original single-pole double-throw switch can be replaced by the touch screen, and the form of the touch screen is adopted, so that the attractiveness can be achieved, the forward and reverse rotation of the curtain motor can be efficiently and quickly realized, and the real-time property of pause control is improved.
With reference to the technical solution provided by the first aspect, in some possible implementations, the intelligent curtain control system further includes an illumination sensor; the illumination sensor is connected with the control module; the illumination sensor is used for acquiring illumination intensity data in the environment and sending the illumination intensity data to the control module, and the control module is further used for controlling the opening and closing degree of the curtain based on the illumination intensity data.
The intelligent curtain control system that this application embodiment provided can make intelligent curtain control system self accomplish the control to the curtain degree of opening and shutting according to illumination intensity through addding the illumination sensor, for example when light intensity is very high, the control curtain pulls down, and then effectively avoids indoor environment to be penetrated directly by sunshine, provides convenience for the user, further improvement user experience.
With reference to the technical solution provided by the first aspect, in some possible implementation manners, the intelligent curtain control system further includes a smoke detection module; the smoke detection module is connected with the control module; the control module is used for controlling the curtain motor to operate until the opening degree of the curtain reaches a second preset opening and closing degree.
The control of the degree that opens and shuts can be accomplished to the window curtain to intelligence (window) curtain control system self according to indoor smog concentration through addding smog detection module to the intelligence (window) curtain control system that this application embodiment provided, for example when a large amount of dense smokes appear in indoor, open (window) curtain to the second in the initiative and predetermine the degree that opens and shuts. By the method, safety is brought to the user, and user experience is further improved.
In a second aspect, an embodiment of the present application provides an intelligent window shade, which includes a window shade, and the intelligent window shade control system provided in the embodiment of the first aspect, connected to the window shade.
In a third aspect, an embodiment of the present application provides a control method, which is applied to a control module in an intelligent curtain control system, where the intelligent curtain control system further includes a curtain motor, a relay, and a voltage sampling module; the first end of the relay is connected with the curtain motor; the first end of the voltage sampling module is connected with the second end of the relay, the control module is respectively connected with the second end of the voltage sampling module and the control end of the relay, and the method comprises the following steps: controlling the relay to be opened; receiving a voltage change waveform sent by the voltage sampling module; the voltage change waveform is a waveform generated by voltage change in a line when the curtain motor operates; and when the number of the rising edges in the voltage change waveform reaches the target number, controlling the relay to be closed so as to stop the curtain motor to run and further enable the opening and closing degree of the curtain to reach the target opening and closing degree.
In a fourth aspect, the embodiment of the present application provides a control device, which is applied to a control module in an intelligent curtain control system, where the intelligent curtain control system further includes a curtain motor, a relay, and a voltage sampling module; the first end of the relay is connected with the curtain motor; the first end of voltage sampling module with the second end of relay is connected, control module respectively with the second end of voltage sampling module reaches the control end of relay is connected, the device includes: the first control module is used for controlling the relay to be opened; the receiving module is used for receiving the voltage change waveform sent by the voltage sampling module; the voltage change waveform is a waveform generated by voltage change in a line when the curtain motor operates; and the second control module controls the relays to be closed when the number of the rising edges in the voltage change waveform reaches the target number, so that the curtain motor stops running, and the opening and closing degree of the curtain reaches the target opening and closing degree.
In a fifth aspect, embodiments of the present application provide a computer-readable storage medium, on which a computer program is stored, the computer program, when executed by a processor, performing a method as set forth in the embodiments of the second aspect above and/or in combination with some possible implementations of the embodiments of the second aspect above.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a block diagram of a smart window shade control system according to an embodiment of the present disclosure.
Fig. 2 is a schematic structural diagram of an intelligent curtain control system according to an embodiment of the present application.
Fig. 3 is a block diagram of a voltage sampling module according to an embodiment of the present disclosure.
Fig. 4 is a schematic circuit diagram of a voltage sampling module according to an embodiment of the present disclosure.
Fig. 5 is a block diagram of another intelligent window shade control system according to an embodiment of the present disclosure.
Fig. 6 is a flowchart illustrating steps of a control method according to an embodiment of the present disclosure.
Fig. 7 is a block diagram of a control device according to an embodiment of the present disclosure.
Icon: 100-intelligent curtain control system; 10-curtain motor; 20-a relay; 30-a voltage sampling module; 31-voltage comparison chip; 40-a control module; 50-a communication module; 60-a touch screen; 70-an illumination sensor; 80-a smoke detection module; 200-a control device; 201-a first control module; 202-a receiving module; 203-second control module.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
Referring to fig. 1 and fig. 2, an embodiment of the present application provides an intelligent curtain control system 100, including: the curtain control system comprises a curtain motor 10, a relay 20, a voltage sampling module 30 and a control module 40.
Wherein, a first end of the relay 20 is connected with the curtain motor 10, and a second end of the relay 20 is connected with a first end of the voltage sampling module 30. The control module 40 is connected to the second terminal of the voltage sampling module 30 and the control terminal of the relay 20.
The power input of the intelligent curtain control system 100 is connected through the mains supply (including the live wire and the zero wire). In this embodiment, the intelligent curtain control system 100 further includes an AC (Alternating Current) power conversion module to a DC (Direct Current) power conversion module and a DC-DC power conversion module. The AC-DC power conversion module is used for realizing the conversion of power supply, and the DC-DC power conversion module is used for the power supply input of the low-voltage device in the intelligent curtain control system 100. Since the AC-DC power conversion module and the DC-DC power conversion module are well known in the art, they will not be described in detail herein.
The curtain motor 10 is connected with the curtain through a pulling mechanism, and the curtain motor 10 drives the curtain to open and close through the forward rotation and the reverse rotation of the curtain motor.
The voltage sampling module 30 is connected in series in a power supply line of the curtain motor 10 (as shown in fig. 2), and the voltage sampling module 30 is configured to obtain a voltage variation waveform in the line when the curtain motor 10 is in operation.
The control module 40 may be an integrated circuit chip having signal processing capabilities. The control module 40 may also be a general-purpose Processor, such as a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a discrete gate or transistor logic device, or a discrete hardware component, which can implement or execute the methods, steps, and logic blocks disclosed in the embodiments of the present Application. Further, a general purpose processor may be a microprocessor or any conventional processor or the like.
The control module 40 is specifically configured to control the relay 20 to open, and to control the relay 20 to close when the number of rising edges in the voltage variation waveform sent by the voltage sampling module 30 reaches a target number (or a required number), so as to stop the operation of the curtain motor 10, and further enable the opening and closing degree of the curtain to reach a target opening and closing degree.
It should be noted that the control module 40 stores the total number of rising edges in the voltage variation waveform that can be collected by the voltage sampling module 30 when the curtain is fully closed (the curtain opening degree is 0) to fully opened (the curtain opening degree is 100%). The number of the targets corresponds to the opening and closing degree of the targets. The control module 40 may obtain the total number of rising edges in the voltage variation waveform collected by the voltage sampling module 30 by controlling the curtain from fully closed to fully opened when the user uses the intelligent curtain control system for the first time. Of course, in other embodiments, the total number may be already configured in the control module 40 when the intelligent curtain control system 100 leaves the factory, and the application is not limited thereto.
For example, it is assumed that the total number of rising edges in the voltage variation waveform collected by the voltage sampling module 30 is 100 when the window covering is fully closed to fully opened. That is, when the curtain opening degree is 0, the number of rising edges in the voltage variation waveform at this time is 0, and when the curtain opening degree is 100%, the number of rising edges in the voltage variation waveform at this time is 100. According to the rule, the corresponding relation between the opening and closing degree and the number of the rising edges can be determined. If the target opening and closing degree is 70%, the number of rising edges in the voltage change waveform is 70, namely the target number is 70; if the target opening/closing degree is 40%, the number of rising edges in the voltage variation waveform is 40, that is, the target number is 40.
In addition, it should be noted that, the process of determining whether the number of the rising edges in the voltage variation waveform reaches the target number is an accumulation process, for example, when the curtain currently stops at the opening degree of 30%, if the curtain needs to be opened to 70% at this time, because the curtain is opened to 30%, the number of the rising edges in the voltage variation waveform that has been collected by the control module 40 at this time is 30, therefore, only when the control module 40 collects the number of the rising edges in the voltage variation waveform again to be 40 at this time, the target number of the rising edges in the voltage variation waveform can reach 70, at this time, the control module 40 controls the relay 20 to close, so that the curtain motor stops operating, and further, the opening and closing degree of the curtain reaches the target opening and closing degree of 70%.
Correspondingly, if the curtain is currently stopped at the opening degree of 70%, if the curtain needs to be opened to 30% at the moment, because the curtain is opened to 70%, the number of the rising edges in the voltage change waveform collected by the control module 40 is 70 at the moment, and therefore, the control relay 20 is only required to be closed when the number of the rising edges in the voltage change waveform collected by the control module 40 is reduced to the target number of 30, so that the curtain motor stops running, and further the opening and closing degree of the curtain reaches the target opening and closing degree of 30%.
Of course, the control module 40 may also be composed of multiple processors, with different processors being used to perform different control tasks. For example, the control module 40 includes a first processor and a second processor, the first processor being coupled to the second processor. The first processor is configured to determine whether the number of rising edges in the voltage variation waveform sent by the voltage sampling module 30 reaches a target number. And a second processor is used to control the relay 20. Specifically, after the first processor determines that the number of rising edges in the voltage variation waveform sent by the voltage sampling module 30 reaches the target number, a trigger instruction is sent to the second processor, so that the second processor controls the relay 20 to close, so that the curtain motor 10 stops running, and further the opening and closing degree of the curtain reaches the target opening and closing degree.
To sum up, the embodiment of the present application provides an intelligent curtain control system 100, which obtains the voltage variation waveform of the curtain motor 10 in the operation process by adding the voltage sampling module 30, so that the control module 40 can control the curtain motor 10 to stop operating when the number of rising edges in the voltage variation waveform sent by the voltage sampling module 30 reaches the target number, and further the opening and closing degree of the curtain reaches the target opening and closing degree. Compared with the prior art, the intelligent curtain control system 100 provided by the application can achieve accurate control of the opening and closing degree of the curtain by controlling the number of the rising edges in the voltage variation waveform, and improves the use experience of a user.
The following is a description of a specific circuit configuration of the voltage sampling module 30.
Referring to fig. 3, optionally, the voltage sampling module 30 includes a sampling resistor R1 and a voltage comparing chip 31.
The first end of the sampling resistor R1 is connected with the second end of the relay 20, the second end of the sampling resistor R1 is used for being connected with a live wire, the first end of the sampling resistor R1 is further connected with the first end of the voltage comparison chip 31, the second end of the sampling resistor R1 is further connected with the second end of the voltage comparison chip 31, and the third end of the voltage comparison chip 31 is connected with the control module 40.
The voltage comparison chip 31 is also an integrated circuit chip having signal processing capability. The voltage comparing chip 31 may also be a general-purpose Processor, such as a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a discrete gate or transistor logic device, or a discrete hardware component, which can implement or execute the methods, steps, and logic blocks disclosed in the embodiments of the present Application. Further, a general purpose processor may be a microprocessor or any conventional processor or the like.
The voltage comparison chip 31 is configured to obtain a voltage across the sampling resistor R1, compare the voltage with a reference voltage, and generate a voltage variation waveform. The reference voltage is a voltage set in advance as a reference, and the generated voltage variation waveform is a rectangular wave.
In the embodiment of the application, the voltage variation waveform in the line of the curtain motor during operation can be obtained only through the sampling resistor R1 and the voltage comparison chip 31, and this way makes the voltage sampling module 30 simpler in structure and lower in cost.
In other embodiments, the voltage comparison chip 31 may also be used to determine whether the number of rising edges in the voltage variation waveform sent by the voltage sampling module 30 reaches the target number. And the control module 40 is used to control the relay 20. Specifically, after the voltage comparison chip 31 determines that the number of rising edges in the voltage variation waveform sent by the voltage sampling module 30 reaches the target number, a trigger instruction is sent to the control module 40, so that the control module 40 controls the relay 20 to close, so that the curtain motor 10 stops operating, and further the opening and closing degree of the curtain reaches the target opening and closing degree.
Referring to fig. 4, fig. 4 shows a specific circuit diagram of a voltage sampling module 30, and optionally, the voltage sampling module 30 further includes a first current limiting resistor R2, a second current limiting resistor R3, a first pull-down capacitor C1, and a second pull-down capacitor C2. In fig. 4, the voltage comparison chip is U2.
The first end of the first current limiting resistor R2 is connected with the first end of the sampling resistor R1, the second end of the first current limiting resistor R2 is connected with the first end (+ INA port) of the voltage comparison chip U2, the first end of the second current limiting resistor R3 is connected with the second end of the sampling resistor R2, and the second end of the second current limiting resistor R3 is connected with the second end (-INA port) of the voltage comparison chip.
The first end of the first pull-down capacitor C1 is connected to the second end of the first current limiting resistor R2, the first end of the first pull-down capacitor C1 is further connected to the first end of the voltage comparison chip U2, and the second end of the first pull-down capacitor C1 is grounded.
The first end of the second pull-down capacitor C2 is connected to the second end of the second current limiting resistor R3, the first end of the second pull-down capacitor C2 is further connected to the second end of the voltage comparing chip U2, and the second end of the second pull-down capacitor C2 is grounded.
The third terminal (OUTA port) of the voltage comparison chip U2 is connected to the control module 40. The fourth terminal (V-port) of the voltage comparison chip U2 is grounded.
The voltage sampling module 30 further includes a third capacitor C3, a first end of the third capacitor C3 is connected to a fifth end (V + port) of the voltage comparing chip U2, a first end of the third capacitor C3 is further connected to a power supply (VDD5), and a second end of the third capacitor C3 is grounded.
In the embodiment of the application, the first current-limiting resistor R2, the second current-limiting resistor R3, the first pull-down capacitor C1 and the second pull-down capacitor C2 can effectively protect the voltage comparison chip U2.
In other embodiments, the voltage sampling module 30 may have more or less components, and the present application is not limited thereto.
The embodiment of the present application provides the following five triggers to the control module 40.
Referring to fig. 5, as a first triggering manner for the control module 40, the intelligent window covering control system 100 further includes a communication module 50. The communication module 50 is connected to the control module 40.
The communication module 50 is configured to receive an open/close instruction sent by the terminal device. Wherein, the opening and closing instruction comprises a target opening and closing degree.
The control module 40 is configured to control the relay 20 to open based on the opening/closing instruction, and when the number of rising edges in the voltage variation waveform sent by the voltage sampling module 30 reaches a target number (corresponding to a target opening/closing degree), control the relay 20 to close, so that the curtain motor 10 stops operating, and further the opening/closing degree of the curtain reaches the target opening/closing degree.
The communication module 50 may be, but is not limited to, a WiFi module, a bluetooth module, a ZigBee module, a 5G module, etc.
As an application scenario, the control module 40 may establish a communication connection with a terminal device of a user through the communication module 50. By the mode, a user can directly remotely control the opening and closing degree of the curtain through the terminal equipment. For example, the terminal device of the user loads an application program for controlling the curtain, and when the user opens the application program and clicks or inputs the opening/closing degree of the curtain to be set, the control module can receive a control instruction corresponding to the application program through the communication module 50, and further control the opening/closing degree of the curtain to reach the opening/closing degree set by the user.
As another application scenario, the control module 40 may also establish a communication connection with the smart speaker through the communication module 50. By the mode, the user can directly control the opening and closing degree of the curtain in a voice mode. For example, if the user says "open half of the window curtains" to the smart speaker, the smart speaker recognizes the voice message of the user and sends the voice message to the control module 40. After the control module 40 receives the corresponding control command through the communication module 50, the opening and closing degree of the curtain is controlled to reach 50%.
It can be seen that, in the embodiment of the present application, the communication module 50 is additionally arranged in the intelligent curtain control system 100, so that remote control of a curtain can be conveniently achieved, convenience is provided for a user, and user experience is further improved.
As a second triggering manner for the control module 40, the intelligent window covering control system 100 further includes a touch screen 60. The touch screen 60 is connected to the control module 40.
The touch screen 60 is used for receiving a click event of a user; and sends an open/close command to the control module 40 based on the click event. The control module 40 is used for controlling the relay 20 to be opened based on the opening and closing instruction, and controlling the relay 20 to be closed when the number of the rising edges in the voltage variation waveform sent by the voltage sampling module 30 reaches the target number, so that the curtain motor 10 stops running, and further the opening and closing degree of the curtain reaches the target opening and closing degree.
Wherein, the opening and closing instruction comprises a target opening and closing degree. The above-mentioned click event may refer to a user clicking a button region of the opening and closing degree of the window blind on the touch screen 60. For example, the touch screen 60 includes key areas of the opening and closing degrees of four curtains, which are 25%, 50%, 75%, and 100%, respectively. The user can click the corresponding button area according to the requirement to realize the control of the opening and closing degree of the curtain. The click event may also refer to a user inputting a desired opening/closing degree of the window covering in the input box. The user may enter any number, such as 10%, 60%, in the input box.
In addition, the touch screen 60 in the embodiment of the present application further includes a key area for controlling the opening and the pause. Of course, the touch screen 60 can also be used to control LED indicators provided on the intelligent curtain control system 100.
The original single-pole double-throw switch can be replaced by the touch screen 60, and the form of the touch screen 60 is adopted, so that the attractiveness can be achieved, the forward and reverse rotation of the curtain motor 10 can be efficiently and quickly achieved, and the real-time performance of pause control is improved.
It should be noted that the touch circuit of the touch screen 60 does not directly control the on/off of the LED indicator, nor directly controls the on/off of the relay 20. The touch screen 60 is mainly used for sending a trigger instruction to the control module 40, so that the control module 40 performs a corresponding control operation after receiving the trigger instruction.
As a third triggering method for the control module, the control module 40 is further configured to control the relay to be opened based on a preset control strategy, and to control the relay 20 to be closed when the number of rising edges in the voltage variation waveform sent by the voltage sampling module 30 reaches a preset number, so as to stop the operation of the curtain motor 10, and further enable the opening and closing degree of the curtain to reach the first preset opening and closing degree.
The preset control strategy comprises control time and a first preset opening and closing degree. The preset number corresponds to a first preset opening and closing degree.
As an embodiment, the preset control strategy may be configured in the control module 40 when the intelligent curtain control system 100 is shipped, and for example, the intelligent curtain control system 100 is shipped and set to open the curtain to 50% every 12 hours to achieve indoor timed ventilation.
As another embodiment, the preset control strategy may be set by a user, for example, when the intelligent curtain control system includes the communication module 50, the user may set the opening time and the opening/closing degree of the curtain through an application program on the terminal device. For example, the user sets the opening time to be eight am, and the first preset opening degree is 50%. At eight morning hours each day, the control module 40 controls the relay 20 to open, and controls the opening and closing degree of the curtain to reach 50% by detecting the number of rising edges in the voltage variation waveform sent by the voltage sampling module. For another example, when the intelligent curtain control system 100 includes the touch screen 60, the user can directly set the opening time and the opening/closing degree of the curtain on the touch screen 60. The present application is not limited to the setting method.
Therefore, the intelligent curtain control system 100 provided in the embodiment of the present application may further perform corresponding control according to a preset control strategy, for example, control the opening time and the opening/closing degree of a curtain every day according to the requirement of a user, and through this way, the flexibility and the convenience of using the curtain by the user are further improved.
As a fourth way of triggering the control module 40, the intelligent window covering control system 100 further includes an illumination sensor 70. The illumination sensor 70 is connected to the control module 40.
The illumination sensor 70 is configured to obtain illumination intensity data in an environment and send the illumination intensity data to the control module 40, and the control module 40 is further configured to control the opening and closing degree of the curtain based on the illumination intensity data.
Specifically, the control module 40 is configured to receive the illumination intensity data sent by the illumination sensor 70; determining a first target opening and closing degree of the curtain corresponding to the illumination intensity data and a first target number corresponding to the first target opening and closing degree based on the illumination intensity data; the relay 20 is controlled to be opened; receiving a voltage variation waveform sent by the voltage sampling module 30; when the number of rising edges in the voltage variation waveform reaches the first target number, the control relay 20 is closed to stop the operation of the curtain motor 10, so that the opening and closing degree of the curtain reaches the first target opening and closing degree.
The control module 40 may preset a corresponding relationship between the illumination intensity and the opening/closing degree of the curtain, and then determine the first target opening/closing degree of the curtain corresponding to the illumination intensity data according to the preset corresponding relationship. For example, when the light intensity reaches a first value, the opening and closing degree of the curtain is 80%, when the light intensity reaches a second value, the opening and closing degree of the curtain is 60%, when the light intensity reaches a third value, the opening and closing degree of the curtain is 40%, and when the light intensity reaches a fourth value, the opening and closing degree of the curtain is 20%. The above numerical values are only examples, and the correspondence relationship may also be set according to actual requirements, which is not limited in the present application. The number of the first targets and the opening/closing degree of the first targets can refer to the description in the foregoing embodiments, and are not described in detail in this application.
It can be seen that the intelligent curtain control system 100 that this application embodiment provided can make intelligent curtain control system 100 self accomplish the control to the curtain degree of opening and shutting according to illumination intensity through addding illumination sensor 70, for example when light intensity is very high, the control curtain pulls down, and then effectively avoids indoor environment to be penetrated directly by sunshine, provides convenience for the user, further improvement user experience.
As a fifth triggering manner for the control module, the intelligent window shade control system 100 further includes a smoke detection module 80.
The smoke detection module 80 is connected to the control module 40.
The smoke detection module 80 is configured to obtain smoke concentration data in an environment, and send the smoke concentration data to the control module 40, and the control module 40 is further configured to control the relay 20 to open when the smoke concentration data is greater than a preset threshold value, so that the curtain motor 10 operates until the opening and closing degree of the curtain reaches a second preset opening and closing degree.
The preset threshold and the second preset opening and closing degree may be determined according to actual conditions, for example, the second preset opening and closing degree may be 100%, and the application is not limited.
In addition, when the intelligent window shade control system 100 includes the communication module 50 and when the smoke concentration data is greater than the preset threshold, the control module 40 may also alarm through the communication module 50.
It can be seen that the intelligent curtain control system 100 provided in the embodiment of the present application can control the opening and closing degree of the curtain according to the indoor smoke concentration by additionally providing the smoke detection module 80, for example, when a large amount of smoke occurs indoors, the curtain is actively opened to the second preset opening and closing degree. By the method, safety is brought to the user, and user experience is further improved.
It should be noted that the structure shown in fig. 5 is only an illustration, and the intelligent window covering control system 100 provided by the embodiment of the present application may have fewer or more components than those shown in fig. 5, or may have a different configuration than that shown in fig. 5.
Based on the same inventive concept, the embodiment of the present application further provides an intelligent curtain, which includes a curtain and the intelligent curtain control system 100 provided in the foregoing embodiment.
The curtain motor 10 in the intelligent curtain control system 100 is connected to the curtain via a pulling mechanism. Since the intelligent curtain control system 100 has been described in the foregoing embodiments, the detailed description is not repeated here.
Referring to fig. 6, based on the same inventive concept, an embodiment of the present invention further provides a control method, which is applied to the control module 40 of the intelligent curtain control system 100 shown in fig. 1. It should be noted that the control method provided in the embodiment of the present application is not limited by the sequence shown in fig. 6 and the following, and the method includes: step S101-step S103.
Step S101: and controlling the relay to be opened.
Step S102: receiving a voltage change waveform sent by a voltage sampling module; the voltage change waveform is a waveform generated by voltage change in a line when the curtain motor operates.
Step S103: when the number of rising edges in the voltage change waveform reaches the target number, the relay is controlled to be closed, so that the curtain motor stops running, and the opening and closing degree of the curtain reaches the target opening and closing degree.
It should be noted that, since the specific execution process of the control module has already been described in the foregoing implementation, the same parts may be referred to each other, and repeated description is not repeated here.
Referring to fig. 7, based on the same inventive concept, an embodiment of the present application further provides a control apparatus 200, including the apparatus 200: a first control module 201, a receiving module 202 and a second control module 203.
And the first control module 201 is used for controlling the relay to be opened.
A receiving module 202, configured to receive the voltage variation waveform sent by the voltage sampling module; the voltage change waveform is a waveform generated by voltage change in a line when the curtain motor operates.
And the second control module 203 is used for controlling the relays to be closed when the number of the rising edges in the voltage variation waveform reaches the target number, so that the curtain motor stops running, and further the opening and closing degree of the curtain reaches the target opening and closing degree.
It should be noted that, as those skilled in the art can clearly understand, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Based on the same inventive concept, embodiments of the present application further provide a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed, the computer program performs the methods provided in the above embodiments.
The storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more integrated servers, data centers, and the like. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
In addition, units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Furthermore, the functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An intelligent window covering control system, comprising:
the curtain motor is used for driving the curtain to open and close;
the first end of the relay is connected with the curtain motor;
the first end of the voltage sampling module is connected with the second end of the relay, and when the relay is in a closed state, the voltage sampling module is used for acquiring a voltage variation waveform in a circuit when the curtain motor runs;
the control module is respectively connected with the second end of the voltage sampling module and the control end of the relay, and is used for controlling the relay to be opened and controlling the relay to be closed when the number of rising edges in the voltage variation waveform sent by the voltage sampling module reaches a target number, so that the curtain motor stops running, and the opening and closing degree of the curtain reaches a target opening and closing degree; the control module stores the total number of rising edges in the voltage change waveform collected by the voltage sampling module when the curtain is completely closed to completely opened.
2. The intelligent curtain control system of claim 1, wherein the voltage sampling module comprises a sampling resistor and a voltage comparison chip;
the first end of the sampling resistor is connected with the second end of the relay, the second end of the sampling resistor is used for being connected with a live wire, the first end of the sampling resistor is further connected with the first end of the voltage comparison chip, the second end of the sampling resistor is further connected with the second end of the voltage comparison chip, and the third end of the voltage comparison chip is connected with the control module;
the voltage comparison chip is used for acquiring the voltages at two ends of the sampling resistor, comparing the voltages with a reference voltage and generating the voltage change waveform.
3. The intelligent window shade control system of claim 2, wherein the voltage sampling module further comprises a first current limiting resistor, a second current limiting resistor, a first pull-down capacitor, a second pull-down capacitor;
the first end of the first current limiting resistor is connected with the first end of the sampling resistor, the second end of the first current limiting resistor is connected with the first end of the voltage comparison chip, the first end of the second current limiting resistor is connected with the second end of the sampling resistor, and the second end of the second current limiting resistor is connected with the second end of the voltage comparison chip;
the first end of the first pull-down capacitor is connected with the second end of the first current-limiting resistor, the second end of the first pull-down capacitor is grounded, the first end of the second pull-down capacitor is connected with the second end of the second current-limiting resistor, and the second end of the second pull-down capacitor is grounded.
4. The intelligent window shade control system of claim 1, further comprising a communication module;
the communication module is connected with the control module;
the communication module is used for receiving an opening and closing instruction sent by the terminal equipment; wherein, the opening and closing instruction comprises the target opening and closing degree;
the control module is used for controlling the relay to be opened based on the opening and closing instruction, and controlling the relay to be closed when the number of rising edges in the voltage variation waveform sent by the voltage sampling module reaches the target number, so that the curtain motor stops running, and the opening and closing degree of the curtain reaches the target opening and closing degree.
5. The intelligent curtain control system according to claim 1, wherein the control module is further configured to control the relay to be turned on based on a preset control strategy, and to control the relay to be turned off when the number of rising edges in the voltage variation waveform sent by the voltage sampling module reaches a preset number, so that the curtain motor stops operating, and further the opening and closing degree of the curtain reaches a first preset opening and closing degree;
the preset control strategy comprises control time and the first preset opening and closing degree.
6. The intelligent window shade control system of claim 1, further comprising a touch screen;
the touch screen is connected with the control module;
the touch screen is used for receiving a click event of a user; sending an opening and closing instruction to the control module based on the click event; wherein the opening and closing instruction comprises the target opening and closing degree;
the control module is used for controlling the relay to be opened based on the opening and closing instruction, and controlling the relay to be closed when the number of rising edges in the voltage variation waveform sent by the voltage sampling module reaches the target number, so that the curtain motor stops running, and the opening and closing degree of the curtain reaches the target opening and closing degree.
7. The intelligent window shade control system of claim 1, further comprising an illumination sensor;
the illumination sensor is connected with the control module;
the illumination sensor is used for acquiring illumination intensity data in the environment and sending the illumination intensity data to the control module, and the control module is further used for controlling the opening and closing degree of the curtain based on the illumination intensity data.
8. The intelligent window shade control system of claim 1, further comprising a smoke detection module;
the smoke detection module is connected with the control module;
the control module is used for controlling the curtain motor to operate until the opening degree of the curtain reaches a second preset opening and closing degree.
9. An intelligent window shade, comprising a window shade, and the intelligent window shade control system as claimed in any one of claims 1-8 connected to the window shade.
10. A control method is characterized in that the control method is applied to a control module in an intelligent curtain control system, and the intelligent curtain control system further comprises a curtain motor, a relay and a voltage sampling module; the first end of the relay is connected with the curtain motor; the first end of the voltage sampling module is connected with the second end of the relay, the control module is respectively connected with the second end of the voltage sampling module and the control end of the relay, and the method comprises the following steps:
controlling the relay to be opened;
receiving a voltage change waveform sent by the voltage sampling module; the voltage change waveform is a waveform generated by voltage change in a line when the curtain motor operates;
and when the number of the rising edges in the voltage change waveform reaches the target number, controlling the relay to be closed so as to stop the curtain motor to run and further enable the opening and closing degree of the curtain to reach the target opening and closing degree.
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| CN202110799974.0A CN113367551A (en) | 2021-07-15 | 2021-07-15 | Intelligent curtain control system, intelligent curtain and control method |
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| CN202110799974.0A CN113367551A (en) | 2021-07-15 | 2021-07-15 | Intelligent curtain control system, intelligent curtain and control method |
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Application publication date: 20210910 |