CN104473546A - Electric curtain controller - Google Patents

Electric curtain controller Download PDF

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Publication number
CN104473546A
CN104473546A CN201510013463.6A CN201510013463A CN104473546A CN 104473546 A CN104473546 A CN 104473546A CN 201510013463 A CN201510013463 A CN 201510013463A CN 104473546 A CN104473546 A CN 104473546A
Authority
CN
China
Prior art keywords
module
motor
control
signal
electric curtain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510013463.6A
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Chinese (zh)
Other versions
CN104473546B (en
Inventor
张戈
张炎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Yijing Electronic Technology Co. Ltd.
Original Assignee
CHONGQING CHENGU SCIENCE & TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHONGQING CHENGU SCIENCE & TECHNOLOGY Co Ltd filed Critical CHONGQING CHENGU SCIENCE & TECHNOLOGY Co Ltd
Priority to CN201510013463.6A priority Critical patent/CN104473546B/en
Publication of CN104473546A publication Critical patent/CN104473546A/en
Application granted granted Critical
Publication of CN104473546B publication Critical patent/CN104473546B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47HFURNISHINGS FOR WINDOWS OR DOORS
    • A47H5/00Devices for drawing draperies, curtains, or the like
    • A47H5/02Devices for opening and closing curtains
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809Control

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

The invention provides an electric curtain controller, and particularly relates to the field of automatic control. The electric curtain controller is provided with a wireless signal receiving module which can receive motion instructions of a control end from a far distance through wireless electric signals, what the received control instructions are can be determined through a logic judgment module, the motion state of an electric curtain motor is operated through a motor control module, and accordingly control of the electric curtain motor is achieved in a wireless control mode. Accordingly, wiring is not needed during installation, and the problems that wiring is complex and installation is inconvenient are avoided.

Description

Electric curtain controller
Technical field
The present invention relates to automation field, in particular to electric curtain controller.
Background technology
Electrically driven curtain is the control by the signal of telecommunication, realizes a kind of curtain of curtain open and close.Current intelligent domestic system is to the control of electrically driven curtain motor, substantially the mode of external controller is all adopted, controller is electrically connected with electrically driven curtain by connecting line, user controls the signal of controller generation work and stopping, controller sends control signal to electrically driven curtain by connecting line again, with the action making electrically driven curtain complete open and close.On before common electric curtain controller is mainly arranged on, be similar to wall surface switch, and between motor, have longer connecting line.Mode on the controller by tapping realizes local control.
As noted earlier, existing electric curtain controller need embed body of wall and be arranged among metope, so just installation environment is had higher requirements, need reserved installation site as wall surface switch, and the power line that need arrange electric curtain controller work at body of wall and the connecting line be connected with motor.Need rewiring, wiring when installation electric curtain controller, this is large for old room installation difficulty, not easily realize, and the controller power source line had more can increase installation cost with the longer control line be connected with motor.And existing controller is arranged on body of wall, needs to possess local control, will certainly need to carry out specialized designs to the outward appearance of controller like this, increase design cost.
To sum up, existing electric curtain controller is installed inconvenient.
Summary of the invention
The object of the present invention is to provide electric curtain controller, to solve the above problems.
Provide electric curtain controller in an embodiment of the present invention, comprising: the reception of wireless signals module, logic judgment module and the motor control module that are linked in sequence
Reception of wireless signals module, for receiving the control signal that control end generates;
Logic judgment module, for generating the positive rotaring signal of motor according to control signal, motor reversal signal, or motor stop signal;
Motor control module, rotates forward for controlling electrically driven curtain motor according to the positive rotaring signal of motor, or controls electrically driven curtain motor reversal according to motor reversal signal, or control electrically driven curtain motor stalling according to motor stop signal.
Preferably, also comprise: AC-DC conversion module,
The input of modular converter is electrically connected with household AC electrical input, and output is electrically connected with no signal receiver module, logic judgment module and motor control module respectively, and for alternating current is converted to direct current.
Preferably, also comprise: DC decompression module,
Reception of wireless signals module and logic judgment module are all electrically connected with AC-DC conversion module by DC decompression module.
Preferably, also comprise: motor status detection module and motor status display module;
Motor status display module is electrically connected with electrically driven curtain motor by electric machines test module;
Motor status detection module, generates machine operation signal for the duty according to motor, and the duty of motor comprises rotating forward, reversion and stall;
Motor status display module, for according to different types of machine operation signal, shows in different forms.
Preferably, also comprise: current detection module and turn-off module,
Current detection module is electrically connected with motor control module, logic judgment module, reception of wireless signals module and turn-off module respectively;
Current detection module for detecting the current value of motor control module, logic judgment module and reception of wireless signals module, and generates current value signals;
Turn-off module, for current value signals and standard signal being contrasted, and when current value signals is above standard signal, sends silence signal to AC-DC conversion module, to make AC-DC conversion module from service.
Preferably, motor control module is by Control electrically driven curtain motor.
Preferably, also comprise the controller box of hollow, no signal receiver module, logic judgment module, motor control module, AC-DC conversion module, DC decompression module, electric machines test module, motor status display module, motor status detection module and motor status display module are all placed in controller box inside.
Preferably, controller box comprises upper cover and the lower cover with upper cover clamping, under cover be provided with power supply string holes and control string holes, motor control module is electrically connected by control signal wire with electrically driven curtain motor, control signal wire through control string holes;
AC-DC conversion module is electrically connected with household AC electrical input by power line, and power line is through power supply string holes.
Preferably, the side of controller box is also provided with connecting portion.
Preferably, also comprise for power line and control signal wire being stuck in down the shackle member covered.
The electric curtain controller that the embodiment of the present invention provides, with electric curtain controller of the prior art, owing to being just electrically connected with gauge tap and electrically driven curtain respectively by connecting line, and then carry out controlling, thus connect up loaded down with trivial details, installation is inconvenient to compare, it is by being provided with reception of wireless signals module, make it possible to the action command being received control end at a distance by radio signal, and confirm what the control instruction received is by logic judgment module, and the operating state of electrically driven curtain motor is operated further by motor control module, control to electrically driven curtain motor is achieved by the means of controlled in wireless to complete, thus do not need wiring when installation, thus it is loaded down with trivial details to avoid wiring, inconvenient problem is installed.
Accompanying drawing explanation
Fig. 1 shows the basic module connection layout of electric curtain controller provided by the present invention;
Fig. 2 shows the optimization model calling figure of electric curtain controller provided by the present invention;
Fig. 3 shows the external structure schematic diagram of electric curtain controller provided by the present invention;
Fig. 4 shows external structure side schematic view of electric curtain controller provided by the present invention;
Fig. 5 shows another side schematic view of external structure of electric curtain controller provided by the present invention;
Fig. 6 show electric curtain controller provided by the present invention with electrically driven curtain motor position relation schematic diagram.
In figure, 201, upper cover; 202, lower cover; 203, power supply string holes; 204, control string holes; 205, connecting portion; 206, control line; 207, electrically driven curtain motor; 208, electric curtain controller.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Embodiments provide electric curtain controller, as shown in figures 1 to 6, comprising: the reception of wireless signals module, logic judgment module and the motor control module that are linked in sequence
Reception of wireless signals module 101, for receiving the control signal that control end generates;
Logic judgment module 102, for generating the positive rotaring signal of motor according to control signal, motor reversal signal, or motor stop signal;
Motor control module 103, rotates forward for controlling electrically driven curtain motor 207 according to the positive rotaring signal of motor, or reverses according to motor reversal signal control electrically driven curtain motor 207, or controls the stall of electrically driven curtain motor 207 according to motor stop signal.
Wherein, the control signal that reception of wireless signals module 101 generates for receiving control end, control signal can be divided into rotating forward, reversion, stopping, power-off etc.Control signal can be high level, low level control signal, or the control signal that amplitude is different, also can be the signal that this several different conditions can carry out distinguishing by other.The generation of control signal belongs to prior art, at this, repeats no more.
Logic judgment module 102, effect the control signal accessed by reception of wireless signals module 101 is compared, judges (as compared with the signal being prestored to its inside, the amplitude of comparison signal, form) and then determine what the control instruction corresponding to control signal received is.Control instruction refers to the positive rotaring signal of motor, motor reversal signal, motor stop signal, or power-off signal etc.
The effect of motor control module 103 is that the signal generated according to logic judgment module 102 is performed concrete action.Control as electrically driven curtain motor 207 is controlled respectively by 4 circuits (positive crossover, inversion line, stopping circuit, deenergizing circuit), according to the signal that logic judgment module 102 generates, motor control module 103 just can make corresponding circuit perform on-off action (or being sent the control signal of low and high level by corresponding circuit), and then control electrically driven curtain motor 207 carries out action.
Further, electric curtain controller 208 provided by the present invention also comprises: AC-DC conversion module 105,
The input of modular converter is electrically connected with household AC electrical input, and output is electrically connected with no signal receiver module, logic judgment module 102 and motor control module 103 respectively, and for alternating current is converted to direct current.
Electric curtain controller 208 provided by the present invention also comprises: DC decompression module 104,
Reception of wireless signals module 101 and logic judgment module 102 are all electrically connected with AC-DC conversion module 105 by DC decompression module 104.
The electric energy that electric curtain controller 208 uses is less relatively, and with the 220V alternating current of family expenses, or the higher power electric of magnitude of voltage is compared, and the magnitude of voltage of its electric energy used is relatively low.Therefore need to use DC decompression module 104 to reduce the operating voltage of input, and because the electric energy that power transmission cable transmits is alternating current, needing to be converted into direct current can use.
The control signal sent in order to ensure control end is effectively performed by electrically driven curtain motor 207, and electric curtain controller 208 provided by the present invention, also comprises: motor status detection module and motor status display module;
Motor status display module is electrically connected with electrically driven curtain motor 207 by electric machines test module;
Motor status detection module, generates machine operation signal for the duty according to motor, and the duty of motor comprises rotating forward, reversion and stall;
Motor status display module, for according to different types of machine operation signal, shows in different forms.
The mode of display can be light display, sound display etc.During light display, the duty different according to electrically driven curtain motor 207 can send different colours, or the light of brightness, with enable operator clear and definite know the current duty of electrically driven curtain motor 207 be rotate forward, reversion, stall or power-off.Consider that motor (cannot rolling curtain when rotating to a certain degree, motor or curtain are stuck), meeting stall, and can locked rotor current be produced, and then may motor be damaged, therefore, electric machines test module can also be increased, when motor is in the state of stall, (electric machines test module is connected with electrically driven curtain motor 207 electric machines test module, to obtain its current value, and this current value and the threshold value preset are contrasted) can judge whether the running current of the electrically driven curtain motor 207 collected is greater than default locked rotor current, if be greater than, then should stop the action (power-off of electrically driven curtain motor 207, or stall), or send warning, stable to ensure that electrically driven curtain motor 207 works.
Further, electric curtain controller 208 provided by the present invention, also comprises: current detection module and turn-off module,
Current detection module is electrically connected with motor control module 103, logic judgment module 102, reception of wireless signals module 101 and turn-off module respectively;
Current detection module for detecting the current value of motor control module 103, logic judgment module 102 and reception of wireless signals module 101, and generates current value signals;
Turn-off module, for current value signals and standard signal being contrasted, and when current value signals is above standard signal, sending silence signal to AC-DC conversion module 105, quitting work to make AC-DC conversion module 105.
Except electrically driven curtain motor 207 may face a danger when operation, electric curtain controller 208 inside also may face a danger when operation, therefore, need to detect the operating current of the device of electric curtain controller 208 inside whether in normal scope by current detection module.When the current value signals that current detection module detects exceedes default standard signal the amplitude of signal (amplitude of the current value signals detected be above standard), then control AC-DC conversion module 105 to quit work, to stop the power supply to motor control module 103, logic judgment module 102, reception of wireless signals module 101, and then stopped the work of electric curtain controller 208 entirety.
Further, motor control module 103 is by Control electrically driven curtain motor 207.Relay is the work being controlled the larger equipment of operating current by less control electric current, makes the work of motor control module 103 safer, also ensure that the safety of user.
In order to no signal receiver module can be ensured, logic judgment module 102, motor control module 103, AC-DC conversion module 105, DC decompression module 104, electric machines test module, motor status display module, the work of motor status detection module and motor status display module is in stable state, also comprise the controller box of hollow, no signal receiver module, logic judgment module 102, motor control module 103, AC-DC conversion module 105, DC decompression module 104, electric machines test module, motor status display module, motor status detection module and motor status display module are all placed in controller box inside.
Controller box is hollow cavity, as being designed to cuboid or other shapes.Controller box is preferably the material of perfect heat-dissipating, when electric curtain controller 208 is when working, multiple modules of its inside are inevitable starts heating after a period of operation, in order to ensure that electric curtain controller 208 keeps comparatively stable duty and ensures security of operation, the part of controller box is preferably made up of heat sink material, as graphite etc.Also can be controller box is provided with multiple air vent, to improve heat dispersion.
Controller box comprises upper cover 201 and the lower cover 202 with upper cover 201 clamping, lower cover 202 be provided with power supply string holes 203 and control string holes 204, motor control module 103 is electrically connected by control signal wire with electrically driven curtain motor 207, and control signal wire is through controlling string holes 204;
AC-DC conversion module 105 is electrically connected with household AC electrical input by power line, and power line is through power supply string holes 203.
As description above, control string holes 204 and can be divided into rotating forward control line, reversion control line, stall control line and power-off control line etc.Different control lines 206 through different control string holes 204, and then is electrically connected with electrically driven curtain motor 207.
In order to being fixed on metope of making that electric curtain controller 208 can be stable, or on electrically driven curtain, the side of controller box is also provided with connecting portion 205.By connecting portion 205, controller box can be fixed on fixation.
Further, controller box also comprises the shackle member for power line and control signal wire being stuck on lower cover 202.
By arranging shackle member, by power line and more stable being stuck on lower cover 202 of holding wire, can ensure that power line and holding wire can have more permanent operating time.
Electric curtain controller 208 provided by the present invention also should be provided with LED, this LED is electrically connected with AC-DC conversion module 105, when AC-DC conversion module 105 works time, LED is powered by AC-DC conversion module 105, and luminous, in running order so that electric curtain controller 208 to be described.
Electric curtain controller 208 provided by the present invention, can not be installed on body of wall, but is attached near curtain motor or on it, and reduce cabling, installation site can hide, and does not affect existing finishing, working power line and Electric Machine Control line easy to connect.The inner each module placement of controller is separated from each other, and does not interfere with each other, and can make communication stability and perform reliability to strengthen.Adopt all curtain motors of the adaptive existing identical function of crystal head patchcord terminal mode energy, compatible high.
Only need at controller no power, or during the situation of irregular working, open controller upper cover 201, insert connecting line, tighten the screws.Do not need, as more existing controllers need to pry open panel, then to take down top board, insert connecting line by thinner gap, very inconvenience is installed.
The internal module input parameter of electric curtain controller 208 has 12V power supply, module control signal line, export the closed and disconnected for relay contact, circuit comprises relay and relay drive circuit, 3 tunnel control signals are connected to logical process and the I/O port controlling output master control IC, with its I/O signal control relay drive circuit, by 12V Power supply, relay is driven to connect the output closing of contact or the disconnection of Electric Machine Control line.
Drive circuit, through strict design, can drive the actuating of relay with very little drive current, reach units milliampere level, and common type of power relay be selected by relay, the direct current of the external high voltage of its output energy or AC load.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. electric curtain controller, is characterized in that, comprising: the reception of wireless signals module, logic judgment module and the motor control module that are linked in sequence,
Reception of wireless signals module, for receiving the control signal that control end generates;
Logic judgment module, for generating the positive rotaring signal of motor according to described control signal, motor reversal signal, or motor stop signal;
Motor control module, rotates forward for controlling electrically driven curtain motor according to the positive rotaring signal of motor, or controls electrically driven curtain motor reversal according to motor reversal signal, or control electrically driven curtain motor stalling according to described motor stop signal.
2. electric curtain controller according to claim 1, is characterized in that, also comprises: AC-DC conversion module,
The input of described modular converter is electrically connected with household AC electrical input, and output is electrically connected with described no signal receiver module, logic judgment module and motor control module respectively, and for alternating current is converted to direct current.
3. electric curtain controller according to claim 2, is characterized in that, also comprises: DC decompression module,
Described reception of wireless signals module and described logic judgment module are all electrically connected with described AC-DC conversion module by described DC decompression module.
4. electric curtain controller according to claim 1, is characterized in that, also comprises: motor status detection module and motor status display module;
Described motor status display module is electrically connected with described electrically driven curtain motor by described electric machines test module;
Motor status detection module, generates machine operation signal for the duty according to motor, and the duty of motor comprises rotating forward, reversion and stall;
Motor status display module, for according to different types of machine operation signal, shows in different forms.
5. electric curtain controller according to claim 2, is characterized in that, also comprises: current detection module and turn-off module,
Described current detection module is electrically connected with described motor control module, described logic judgment module, described reception of wireless signals module and turn-off module respectively;
Current detection module for detecting the current value of described motor control module, described logic judgment module and described reception of wireless signals module, and generates current value signals;
Turn-off module, for described current value signals and standard signal being contrasted, and when described current value signals exceedes described standard signal, sends silence signal to described AC-DC conversion module, to make described AC-DC conversion module from service.
6. electric curtain controller according to claim 2, is characterized in that, described motor control module is by electrically driven curtain motor described in Control.
7. the electric curtain controller according to any one of claim 1-6, it is characterized in that, also comprise the controller box of hollow, it is inner that described no signal receiver module, logic judgment module, motor control module, described AC-DC conversion module, described DC decompression module, described electric machines test module, described motor status display module, described motor status detection module and described motor status display module are all placed in described controller box.
8. electric curtain controller according to claim 7, it is characterized in that, described controller box comprises upper cover and the lower cover with described upper cover clamping, cover under described and be provided with power supply string holes and control string holes, described motor control module is electrically connected by control signal wire with described electrically driven curtain motor, and described control signal wire is through described control string holes;
Described AC-DC conversion module is electrically connected with household AC electrical input by power line, and described power line is through described power supply string holes.
9. electric curtain controller according to claim 8, is characterized in that, the side of described controller box is also provided with connecting portion.
10. electric curtain controller according to claim 8, is characterized in that, also comprise for described power line and described control signal wire are stuck in described under the shackle member that covers.
CN201510013463.6A 2015-01-12 2015-01-12 Electric curtain controller Expired - Fee Related CN104473546B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510013463.6A CN104473546B (en) 2015-01-12 2015-01-12 Electric curtain controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510013463.6A CN104473546B (en) 2015-01-12 2015-01-12 Electric curtain controller

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CN104473546A true CN104473546A (en) 2015-04-01
CN104473546B CN104473546B (en) 2017-11-14

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109297173A (en) * 2018-09-07 2019-02-01 郑丽娟 A kind of air conditioner refrigerating plate freezing preventer with automatic extrusion drainage function
CN109386226A (en) * 2018-10-16 2019-02-26 浙江容豪智能家居科技有限公司 Electric curtain control system and control method
CN111292316A (en) * 2020-03-11 2020-06-16 成都极米科技股份有限公司 Test method, test device, electronic equipment and storage medium
CN112244608A (en) * 2020-10-30 2021-01-22 广东奥科伟业科技发展有限公司 Control method of electric curtain motor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2510896Y (en) * 2001-10-10 2002-09-11 李宝珍 Locating and adjusting device for electric-driven opening-closing equipment
CN101592942A (en) * 2008-05-30 2009-12-02 当代天启技术(北京)有限公司 A kind of control method of electrically driven curtain and system
CN201958576U (en) * 2011-01-25 2011-09-07 安徽工程大学 Automatic curtain control device
JP2012045372A (en) * 2011-06-02 2012-03-08 Shigeo Ikeda Electric curtain opening/closing device and curtain opening and closing method using the same
CN203182640U (en) * 2012-11-18 2013-09-11 邹伟 Curtain controlled by Bluetooth or ZigBee or Wi-Fi signal
CN103844863A (en) * 2014-02-14 2014-06-11 邹伟 Method for remotely controlling curtain by mobile phone
CN204698302U (en) * 2015-01-12 2015-10-14 重庆晨古科技有限公司 Electric curtain controller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2510896Y (en) * 2001-10-10 2002-09-11 李宝珍 Locating and adjusting device for electric-driven opening-closing equipment
CN101592942A (en) * 2008-05-30 2009-12-02 当代天启技术(北京)有限公司 A kind of control method of electrically driven curtain and system
CN201958576U (en) * 2011-01-25 2011-09-07 安徽工程大学 Automatic curtain control device
JP2012045372A (en) * 2011-06-02 2012-03-08 Shigeo Ikeda Electric curtain opening/closing device and curtain opening and closing method using the same
CN203182640U (en) * 2012-11-18 2013-09-11 邹伟 Curtain controlled by Bluetooth or ZigBee or Wi-Fi signal
CN103844863A (en) * 2014-02-14 2014-06-11 邹伟 Method for remotely controlling curtain by mobile phone
CN204698302U (en) * 2015-01-12 2015-10-14 重庆晨古科技有限公司 Electric curtain controller

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109297173A (en) * 2018-09-07 2019-02-01 郑丽娟 A kind of air conditioner refrigerating plate freezing preventer with automatic extrusion drainage function
CN109297173B (en) * 2018-09-07 2020-12-08 汇鑫环境科技有限公司 Air conditioner refrigeration plate anti-freezing device with automatic extrusion and drainage functions
CN109386226A (en) * 2018-10-16 2019-02-26 浙江容豪智能家居科技有限公司 Electric curtain control system and control method
CN111292316A (en) * 2020-03-11 2020-06-16 成都极米科技股份有限公司 Test method, test device, electronic equipment and storage medium
CN111292316B (en) * 2020-03-11 2023-09-01 成都极米科技股份有限公司 Test method, test device, electronic equipment and storage medium
CN112244608A (en) * 2020-10-30 2021-01-22 广东奥科伟业科技发展有限公司 Control method of electric curtain motor

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