CN111904246A - Curtain control method and device, curtain controller and curtain - Google Patents
Curtain control method and device, curtain controller and curtain Download PDFInfo
- Publication number
- CN111904246A CN111904246A CN202010829698.3A CN202010829698A CN111904246A CN 111904246 A CN111904246 A CN 111904246A CN 202010829698 A CN202010829698 A CN 202010829698A CN 111904246 A CN111904246 A CN 111904246A
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- China
- Prior art keywords
- curtain
- information
- driving motor
- data packet
- instruction
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Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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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
- A47H2005/025—Devices for opening and closing curtains controlled by electronic sensors
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/6818—Control using sensors
Abstract
The embodiment of the invention discloses a curtain control method and device, a curtain controller and a curtain. The curtain control method comprises the steps of obtaining a curtain control data packet; analyzing the curtain control data packet to obtain curtain action instruction information, curtain action direction information and curtain action length information; generating a driving instruction according to the curtain action instruction information and the curtain action direction information, and sending the driving instruction to a target driving motor; calculating to obtain target turn number information according to the curtain action length information; acquiring the rotation turn number information of the target driving motor; and when the rotating circle number information is equal to the target circle number information, generating a pause instruction and transmitting the pause instruction to the target driving motor. The embodiment of the invention can accurately control the action length of the curtain.
Description
Technical Field
The invention relates to the technical field of smart homes, in particular to a curtain control method, a curtain control device, a curtain controller and a curtain.
Background
At present, the existing curtain control method can only control the action or stop of the driving motor, namely, the action of the driving motor is controlled by a control button, and when the shielding piece of the curtain is contracted or expanded to a satisfactory position, a pause key is pressed to pause the driving motor.
Therefore, the existing curtain control method cannot accurately control the action length (expansion length or contraction length) of the curtain.
Disclosure of Invention
Therefore, the embodiment of the invention provides a curtain control method, a curtain control device, a curtain controller and a curtain, which can accurately control the action length of the curtain.
In one aspect, a curtain control method provided by an embodiment of the present invention includes: acquiring a curtain control data packet; analyzing the curtain control data packet to obtain curtain action instruction information, curtain action direction information and curtain action length information; generating a driving instruction according to the curtain action instruction information and the curtain action direction information, and sending the driving instruction to a target driving motor; calculating to obtain target turn number information according to the curtain action length information; acquiring the rotation turn number information of the target driving motor; and when the rotating circle number information is equal to the target circle number information, generating a pause instruction and transmitting the pause instruction to the target driving motor.
In one embodiment of the present invention, the curtain motion command information includes start command information and pause command information, and the curtain motion direction information includes forward direction information and reverse direction information.
In an embodiment of the present invention, before the parsing the curtain control packet, the method further includes: and decrypting the curtain control data packet by using the secret key, and updating the secret key.
On the other hand, the curtain control device provided by the embodiment of the invention comprises a first obtaining module, a second obtaining module and a control module, wherein the first obtaining module is used for obtaining the curtain control data packet; the analysis module is used for analyzing the curtain control data packet to obtain curtain action instruction information, curtain action direction information and curtain action length information; the first issuing module is used for generating a driving instruction according to the curtain action instruction information and the curtain action direction information and issuing the driving instruction to a target driving motor; the calculation module is used for calculating to obtain target turn number information according to the curtain action length information; the second acquisition module is used for acquiring the rotation turn number information of the target driving motor; and the second issuing module generates a pause instruction and issues the pause instruction to the target driving motor when the rotation turn number information is equal to the target turn number information.
In another aspect, an embodiment of the present invention provides a window covering controller, including: a control unit for executing the curtain control method according to any one of the above embodiments; the target driving motor is electrically connected with the control unit and is used for receiving and carrying out corresponding actions according to the driving command and/or the pause command; and the wireless receiver is electrically connected with the control unit and is used for wirelessly receiving the curtain control data packet and sending the curtain control data packet to the control unit.
In one embodiment of the present invention, the shade controller further comprises: and the driver is electrically connected between the control unit and the target driving motor, and is used for receiving the driving command and/or the pause command and controlling the target driving motor to perform corresponding actions.
In one embodiment of the present invention, the shade controller further comprises: the sensor is electrically connected with the control unit, arranged on the rotating part of the target driving motor and used for generating a sensing signal and sending the sensing signal to the control unit when sensing the rotating action of the rotating part; the control unit is further used for generating the rotation number information according to the induction signal.
In one embodiment of the invention, the rotating part is provided with a magnetic ring, and the magnetic ring is provided with X pairs of N poles and S poles which are arranged at intervals; the sensor is opposite to the magnetic ring and is fixedly arranged on one side of the driving motor; when the driving motor drives the rotating part to rotate, the sensor generates a sensing signal and sends the sensing signal to the control unit when sensing an S pole and an N pole; the control unit is further used for increasing the rotation number information by one circle when X induction signals are received.
In one embodiment of the present invention, the shade controller further comprises: the router is provided with a wireless transmitter and is in wireless connection with the wireless receiver; the intelligent terminal is in communication connection with the router; the curtain control data packet is generated in response to the operation of a user and is sent to the router; and the router is used for receiving the curtain control data packet and sending the curtain control data packet to the wireless receiver through the wireless transmitter.
In another aspect, an embodiment of the present invention provides a window covering having a window covering controller as described in any one of the above embodiments.
In summary, the above embodiments of the present application may have one or more of the following advantages or benefits: i) the pulling length of the curtain is accurately controlled by accurately controlling the number of rotation turns of the motor; ii) the curtain controller can be accessed to the router and controlled by the intelligent terminal connected with the router, so that the aim of accessing the curtain to the Internet of things is fulfilled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart illustrating a curtain control method according to a first embodiment of the present invention.
Fig. 2 is a block diagram of a curtain control device 100 according to a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a window shade controller 101 according to a third embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating a positional relationship between the rotating portion 122 provided to the target driving motor 120 in fig. 3 and the sensor 150.
Fig. 5 is a circuit connection diagram of the control unit 110 in fig. 3.
Fig. 6 is a circuit connection diagram of the wireless receiver 130 in fig. 3.
Fig. 7 is a block diagram of a storage medium according to a fifth embodiment of the present invention.
Description of the main element symbols:
100 is a charging control device; 10 is a first obtaining module; 20 is an analysis module; 30 is a first sending module; 40 is a calculation module; 50 is a second obtaining module; 60 is a second issuing module; 101 is a curtain controller; 110 is a control unit; 120 is a target drive motor; 121 is a driver; 122 is a rotating part; 123 is a driving shaft; 130 is a wireless receiver; 140 is a printed circuit board; 150 is a sensor; 160 is a wireless transmitter; 170 is a router; and 180 is an intelligent terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
[ first embodiment ] A method for manufacturing a semiconductor device
Referring to fig. 1, which is a schematic flow chart of a curtain control method according to a first embodiment of the present invention, the curtain control method includes:
step S10, obtaining a curtain control data packet;
step S20, analyzing the curtain control data packet to obtain curtain action instruction information, curtain action direction information and curtain action length information;
step S30, generating a driving instruction according to the curtain action instruction information and the curtain action direction information, and sending the driving instruction to a target driving motor;
step S40, calculating to obtain target coil number information according to the curtain action length information;
step S50, obtaining the rotation circle number information of the target driving motor;
and step S60, when the rotation turn number information is equal to the target turn number information, generating a pause instruction and sending the pause instruction to the target driving motor.
The curtain control data packet in step S10 may be information sent by the control end, and may be a curtain control data packet sent by the control end in a wireless or wired manner. For example, the control end acquires curtain motion instruction information (such as start instruction information or pause instruction information), curtain motion direction information (such as forward direction information or reverse direction information), and curtain motion length information (which may be in units of centimeters) in response to a user operation.
The window shade control method may be used to control an opening and closing type window shade, a roll type window shade, or a blind window shade, the forward direction information may be used as control information for controlling a target driving motor to rotate forward to open the window shade, and the reverse direction information may be used as control information for controlling the target driving motor to rotate in reverse to close the window shade.
Preferably, the curtain control method further includes: decrypting the shade control data packet using a key, and updating the key. For example, the control end sends a curtain control data packet encrypted by using the secret key, and the secret key is updated similarly. After decryption, the curtain control data packet is parsed.
[ second embodiment ]
Referring to fig. 2, a window covering control device according to a second embodiment of the present invention is provided, where the window covering control device 100 includes: the first acquisition module 10 is used for acquiring the curtain control data packet; the analysis module 20 is configured to analyze the curtain control data packet to obtain curtain action instruction information, curtain action direction information, and curtain action length information; the first issuing module 30 is configured to generate a driving instruction according to the curtain action instruction information and the curtain action direction information, and issue the driving instruction to a target driving motor; the calculating module 40 is used for calculating to obtain target turn number information according to the curtain action length information; a second obtaining module 50, configured to obtain information of the number of turns of the target drive motor; and the second issuing module 60 generates a pause instruction and issues the pause instruction to the target driving motor when the rotation turn number information is equal to the target turn number information.
The curtain control device 100 further includes, for example: and the decryption module (not shown in the figure) is used for decrypting the curtain control data packet by using the secret key and updating the secret key.
[ third embodiment ]
Referring to fig. 3, the third embodiment of the present invention also provides a window shade controller 101, for example, including a control unit 110, a target driving motor 120 electrically connected to the control unit 110, and a wireless receiver 130 electrically connected to the control unit 110. Wherein the control unit 110 is configured to execute the window shade control method according to the first embodiment; or the control unit 110 is provided with the window shade control apparatus 100 as described in the second embodiment.
The window shade controller 101 further includes a printed circuit board 140, and the control unit 110 and the wireless receiver 130 are disposed at different positions of the printed circuit board 140.
To better illustrate the specific application of the window covering controller 101, the following description is provided in detail with reference to specific embodiments.
The wireless receiver 130 is wirelessly connected with the wireless transmitter 160 of the router 170, and the intelligent terminal 180 is accessed to the router 170; the smart terminal 180 generates a curtain control packet by responding to the user's operation, and transmits the curtain control packet to the router 170. Specifically, the user operates the intelligent terminal 180, and the information acquired by the intelligent terminal 180 includes start instruction information, information that the rotation direction is the forward direction, and curtain movement length information, and accordingly generates the curtain control data packet, and sends the curtain control data packet to the router 170. The intelligent terminal 180 may be a mobile phone, a tablet computer, or other intelligent devices.
After receiving the shade control packet, the router 170 sends it to the shade controller 101 via the wireless transmitter 160. Of course, the router 170 may also be wirelessly connected to a plurality of shade controllers 101 and route the shade control packets to each of the shade controllers 101. The router 170 is preferably a wireless router, and may be, for example, a Huacheng wireless router.
When the router 170 is wirelessly connected to the plurality of curtain controllers 101, the curtain control data packet generated by the intelligent terminal 180 includes target curtain information, and the target curtain information corresponds to at least one curtain controller of the plurality of curtain controllers 101. When the curtain controllers 101 respectively obtain the curtain control data packets, the curtain control data packet is analyzed by the at least one curtain controller corresponding to the target curtain information, and the curtain control method according to the first embodiment is executed, while the curtain controllers do not analyze the curtain control data packet.
In order to ensure data security, the smart terminal 180 further includes a process of encrypting the curtain control data packet by using a key when generating the curtain control data packet, or encrypting the curtain control data packet by using the key after generating the curtain control data packet. And after acquiring the curtain control data packet, the curtain controller 101 decrypts the curtain control data packet by using the same secret key, and then analyzes the curtain control data packet.
In another case, in order to further ensure data security, the corresponding encryption process and decryption process may be performed in a manner that the key is used once. Specifically, the smart terminal 180 encrypts the secret key again, sends the corresponding curtain control data packet to the curtain controller 101, and updates the secret key after obtaining the feedback of the curtain controller 101; accordingly, the shade controller 101 updates the key in the same manner after decrypting the shade control packet. So that the key of the smart terminal 180 and the shade controller 101 are the same and are updated synchronously in the same manner.
The window shade controller 101, for example, further includes a driver 121, the driver 121 being electrically connected between the control unit 110 and the target drive motor 120. After the control unit 110 of the curtain controller 101 acquires the curtain control data packet through the wireless receiver 130, the control unit 110 generates a driving instruction according to the starting instruction information and the forward direction information obtained by analyzing the curtain control data packet; the control unit 110 issues the driving instruction to the driver 121, and the driver 121 drives the target driving motor 120 to rotate in the forward direction according to the driving instruction; the control unit 110 further calculates the target number of turns according to the curtain action length information.
For example, the curtain movement length information is 55cm, and the target number of turns information is 5.5 turns when the target driving motor 120 rotates one turn to pull the curtain by 10 cm.
The window shade controller 101 further includes, for example, a sensor 150, wherein the sensor 150 is electrically connected to the control unit 110, and is configured to acquire rotation information of the target driving motor 120 and transmit the rotation information to the control unit 110; the control unit 110 calculates rotation number information of the target driving motor 120 according to the rotation information, generates a pause instruction and sends the pause instruction to the driver 121 when the rotation number information is equal to the target rotation number information, and the driver 121 stops the target driving motor 120 according to the pause instruction.
Referring to fig. 4, the driving shaft 123 of the target driving motor 120 is, for example, further sleeved with a rotating portion 122, and a magnetic ring is disposed on the rotating portion 122; the sensor 150 may be a magnetic sensor, such as a hall sensor, provided at one side of the rotation part 122. When the target driving motor 120 rotates, the driving shaft 123 drives the rotating part 122 to rotate, when the magnetic poles (S poles or N poles) of the magnetic rings at the end of the driving part 122 sequentially approach the sensor 150, the sensor 150 detects a magnetic signal, and when the sensor 150 is set to detect an S pole magnetic signal or an N pole magnetic signal, the sensor 150 feeds back an induction signal to the control unit 110; therefore, when the control unit 110 acquires two induction signals, the information of the number of turns is calculated to be 1 turn.
Or, the control unit 110 may also calculate that the number of sensing signals to be acquired is 11 according to the target turn number information 5.5 turns, so that when 11 sensing signals are acquired in an accumulation manner, the pause instruction is generated.
It should be noted that the magnetic ring may further include a plurality of magnetic members, the plurality of magnetic members are circumferentially distributed on the rotating portion 122 around the driving shaft 123, and the greater the number of the magnetic members, the more precise the length control of the window curtain is.
Further, the wireless receiver 130 in the curtain controller 101 may also be a bluetooth module, and the control terminals such as the intelligent terminal 180 are directly connected to the curtain controller 101 via bluetooth. Of course, the wireless receiver 130 may be other wireless connection technologies such as Lora.
Another specific embodiment of the curtain controller 101 may also be: the control unit 110 may be an MCU chip, such as an MCU chip with a product model number HC32L130F8UA-QFN32, and FIG. 5 is a circuit connection diagram thereof. The wireless receiver 130 may be a wireless transceiver chip, such as a CMT2300A chip, and fig. 6 is a circuit connection diagram thereof. While the target driving motor 120 may be an existing motor for curtain motor control, the driver 121 is a motor driver matched with the target driving motor 120.
[ fourth example ] A
A fourth embodiment of the invention provides a blind (not shown) which may be a window covering of the opening and closing type, a roller blind or a blind; the window covering is provided with a window covering controller 101 as described in the third embodiment.
The detailed description of the curtain will be referred to in the detailed description of the third embodiment, and will not be repeated herein.
[ fifth embodiment ]
Referring to fig. 7, which is a schematic structural diagram of a storage medium according to a fifth embodiment of the present invention, the storage medium 500 is, for example, a non-volatile memory, and is, for example: magnetic media (e.g., hard disks, floppy disks, and magnetic tape), optical media (e.g., CDROM disks and DVDs), magneto-optical media (e.g., optical disks), and hardware devices specially constructed for storing and executing computer-executable instructions (e.g., Read Only Memories (ROMs), Random Access Memories (RAMs), flash memories, etc.). The storage medium 500 has stored thereon computer-executable instructions 510. The storage medium 500 may execute computer-executable instructions 510 by one or more processors or processing devices to implement the shade control method as described in the first embodiment.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a division of one logic function, and an actual implementation may have another division, for example, multiple 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 through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The 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 also be distributed on multiple 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.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method of controlling a window covering, comprising:
acquiring a curtain control data packet;
analyzing the curtain control data packet to obtain curtain action instruction information, curtain action direction information and curtain action length information;
generating a driving instruction according to the curtain action instruction information and the curtain action direction information, and sending the driving instruction to a target driving motor;
calculating to obtain target turn number information according to the curtain action length information;
acquiring the rotation turn number information of the target driving motor;
and when the rotating circle number information is equal to the target circle number information, generating a pause instruction and transmitting the pause instruction to the target driving motor.
2. The window shade control method of claim 1, wherein the window shade movement command information comprises a start command information and a pause command information, and the window shade movement direction information comprises a forward direction information and a reverse direction information.
3. The shade control method of claim 1, further comprising, prior to the parsing the shade control packet: and decrypting the curtain control data packet by using the secret key, and updating the secret key.
4. A window covering control apparatus, comprising:
the first acquisition module is used for acquiring the curtain control data packet;
the analysis module is used for analyzing the curtain control data packet to obtain curtain action instruction information, curtain action direction information and curtain action length information;
the first issuing module is used for generating a driving instruction according to the curtain action instruction information and the curtain action direction information and issuing the driving instruction to a target driving motor;
the calculation module is used for calculating to obtain target turn number information according to the curtain action length information;
the second acquisition module is used for acquiring the rotation turn number information of the target driving motor;
and the second issuing module generates a pause instruction and issues the pause instruction to the target driving motor when the rotation turn number information is equal to the target turn number information.
5. A window covering controller, comprising:
a control unit for performing the window shade control method of any one of claims 1-3;
the target driving motor is electrically connected with the control unit and is used for receiving and carrying out corresponding actions according to the driving command and/or the pause command;
and the wireless receiver is electrically connected with the control unit and is used for wirelessly receiving the curtain control data packet and sending the curtain control data packet to the control unit.
6. The window covering controller of claim 5, further comprising:
and the driver is electrically connected between the control unit and the target driving motor, and is used for receiving the driving command and/or the pause command and controlling the target driving motor to perform corresponding actions.
7. The window covering controller of claim 6, further comprising:
the sensor is electrically connected with the control unit, arranged on the rotating part of the target driving motor and used for generating a sensing signal and sending the sensing signal to the control unit when sensing the rotating action of the rotating part;
the control unit is further used for generating the rotation number information according to the induction signal.
8. The window curtain controller as claimed in claim 6, wherein the rotating portion is provided with a magnetic ring, the magnetic ring being provided with X pairs of N and S poles arranged at intervals; the sensor is opposite to the magnetic ring and is fixedly arranged on one side of the driving motor;
when the driving motor drives the rotating part to rotate, the sensor generates a sensing signal and sends the sensing signal to the control unit when sensing an S pole and an N pole;
the control unit is further used for increasing the rotation number information by one circle when X induction signals are received.
9. The window covering controller of claim 5, further comprising:
the router is provided with a wireless transmitter and is in wireless connection with the wireless receiver;
the intelligent terminal is in communication connection with the router; the curtain control data packet is generated in response to the operation of a user and is sent to the router;
and the router is used for receiving the curtain control data packet and sending the curtain control data packet to the wireless receiver through the wireless transmitter.
10. A sunblind, characterised in that the sunblind has a sunblind controller as claimed in any one of claims 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010829698.3A CN111904246A (en) | 2020-08-18 | 2020-08-18 | Curtain control method and device, curtain controller and curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010829698.3A CN111904246A (en) | 2020-08-18 | 2020-08-18 | Curtain control method and device, curtain controller and curtain |
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| Publication Number | Publication Date |
|---|---|
| CN111904246A true CN111904246A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010829698.3A Pending CN111904246A (en) | 2020-08-18 | 2020-08-18 | Curtain control method and device, curtain controller and curtain |
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| CN (1) | CN111904246A (en) |
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Application publication date: 20201110 |