CN211748677U

CN211748677U - Intelligent curtain control system

Info

Publication number: CN211748677U
Application number: CN202020116942.7U
Authority: CN
Inventors: 黄�良; 薛嘉豪; 林晓辉
Original assignee: Guangdong Communications Polytechnic
Current assignee: Zhongshan Tianmei Electrical Appliance Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-27
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses an intelligent curtain control system, which comprises a light ray detection module, a human body induction module, a main control module, a motor module and an alarm module; the output end of the light detection module and the output end of the human body induction module are connected with the input end of the main control module, and the output end of the main control module is connected with the input end of the motor module and the input end of the alarm module respectively. The light detection module is used for detecting the intensity of external light, and the motor module is controlled to open and close the curtain according to the illumination intensity, so that the curtain is opened in the daytime and closed at night; the human body sensing module is arranged, when a person approaches the curtain and intends to enter a room, the alarm module gives out alarm sound to deter thieves. The utility model can be widely applied to the technical field of curtain control.

Description

Intelligent curtain control system

Technical Field

The utility model relates to a (window) curtain control technology field especially relates to an intelligence (window) curtain control system.

Background

The curtain is used as a household article for daily life, plays a role in protecting privacy of residents and shading sun, but the operation of drawing the curtain for lighting and ventilating in the daytime every day and closing the curtain for shielding at night is a relatively complicated thing, and the large curtain of a villa or a duplex house is heavy and long, and the operation of drawing the curtain and closing the curtain every day is a labor-consuming thing. In addition, the common curtain design has no anti-theft function, a thief can see the indoor condition through the opened curtain in the daytime, and the family property is in a dangerous state, so the anti-theft function after the curtain is opened is also a problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a: an intelligent curtain control system is provided.

The utility model adopts the technical proposal that:

an intelligent curtain control system comprises a light ray detection module, a human body induction module, a main control module, a motor module and an alarm module;

the output end of the light detection module and the output end of the human body induction module are connected with the input end of the main control module, and the output end of the main control module is connected with the input end of the motor module and the input end of the alarm module respectively.

And the output end of the limit switch module is connected with the input end of the main control module.

And the output end of the wireless receiving module is connected with the input end of the main control module.

Further, the wireless receiving module comprises a wireless receiving unit and a decoding unit.

Further, the remote control device also comprises a remote control module, and the remote control module is in wireless connection with the wireless receiving module.

Further, the remote control module comprises a key unit and a wireless transmitting unit.

And the input end of the indicator light module is connected with the output end of the main control module.

Further, the human body induction module comprises a pyroelectric infrared sensor, a first resistor, a second resistor and a first triode;

the pyroelectric infrared sensor comprises a pyroelectric infrared sensor body, a first triode, a second triode, a power supply end, a signal output end, a base electrode, a grounding end and a main control module, wherein the power supply end of the pyroelectric infrared sensor body and a collector of the first triode are both connected to a power supply end, the signal output end of the pyroelectric infrared sensor body is connected with one end of a first resistor, the other end of the first resistor is connected with the base electrode of the first triode, the grounding end of the pyroelectric infrared sensor body and one end of the second resistor are both connected to the ground, the other end of the second resistor is connected to an emitting.

The utility model has the advantages that: the light detection module detects the intensity of external light, and the main control module controls the motor module to open and close the curtain according to the illumination intensity, so that the curtain is opened in the day for lighting and ventilation, and the curtain is closed at night; the human body sensing module is arranged, when a person approaches the curtain and intends to enter the room, the alarm module gives out alarm sound, and the effect of deterring thieves is achieved.

Drawings

Fig. 1 is a block diagram of an intelligent curtain control system according to the present invention;

fig. 2 is a schematic circuit diagram of the main control module of the present invention;

fig. 3 is a schematic circuit diagram of the light detection module of the present invention;

FIG. 4 is a schematic circuit diagram of the human body induction module of the present invention;

fig. 5 is a schematic circuit diagram of the motor module of the present invention;

fig. 6 is a schematic circuit diagram of an alarm module of the present invention;

fig. 7 is a schematic circuit diagram of a limit switch module according to the present invention;

fig. 8 is a schematic circuit diagram of an indicator light module according to the present invention;

fig. 9 is a schematic circuit diagram of the remote control module of the present invention;

fig. 10 is a schematic circuit diagram of the wireless receiving module of the present invention.

Detailed Description

Referring to fig. 1, an intelligent curtain control system includes a light detection module, a human body induction module, a main control module, a motor module and an alarm module;

the light detection module is used for detecting the intensity of external light to obtain a first detection signal;

the human body sensing module is used for detecting whether a person approaches the curtain or not to obtain a second detection signal;

the main control module is used for triggering a first control signal and a second control signal according to the received first detection signal and the second detection signal;

the motor module is used for opening or closing the curtain according to the first control signal;

and the alarm module is used for giving out an alarm sound according to the second control signal.

The light detection module detects the intensity change of outdoor light intensity, namely detects whether the outside is in daytime or at night, transmits a first detection signal to the main control module, and the main control module triggers a first control signal according to the received first detection signal, so that the control motor module pulls open the curtain or closes the curtain, and the purposes of pulling open the curtain in daytime and closing the curtain at night are achieved. The human body induction module is arranged, when the human body induction module detects that a person approaches, a second detection signal is transmitted to the main control module, the main control module triggers a second control signal according to the second detection signal transmitted by the human body induction module, and then the alarm module is controlled to send out an alarm sound, so that the effect of deterring thieves is achieved.

Further as a preferred embodiment, the device also comprises a limit switch module,

the intelligent control system is characterized by further comprising a limit switch module, wherein the output end of the limit switch module is connected with the input end of the main control module.

The limit switch module is used for controlling the motor module to stop working when detecting that the curtain touches the limit switch module, and when the limit switch module detects that the curtain touches the limit switch module, the third detection signal is transmitted to the main control module, and the main control module triggers the stop signal according to the third detection signal, so that the motor module is controlled to stop working.

Further as a preferred embodiment, the remote control device further comprises a remote control module, and the remote control module is used for transmitting a remote control signal.

The utility model discloses add remote control module, will switch mode, the cloth defence withdraw a garrison, pull open remote control signal transmission to host system such as (window) curtain and closed (window) curtain, host system triggers corresponding control signal according to remote control signal to control corresponding module and carry out work.

Further as a preferred embodiment, the remote control module comprises a key unit and a wireless transmission unit.

As shown in fig. 9, the remote control module includes a key unit and a wireless transmission unit. The key unit comprises a plurality of keys such as a switch working mode key, a defense deployment and withdrawal key, a curtain opening key and a curtain closing key, and the working modes comprise an intelligent mode and a manual mode. The wireless transmission unit comprises a coding subunit and a wireless transmission subunit, the coding subunit codes the input key signals to obtain serial number key signals, and the wireless transmission subunit transmits the coded key signals to the wireless receiving module.

Further as a preferred embodiment, the remote control device further comprises a wireless receiving module, and the wireless receiving module is used for receiving the remote control signal transmitted by the wireless remote control module.

The wireless receiving module further processes the coding key signal after receiving the coding key signal and transmits the processed coding key signal to the main control module.

Further preferably, the wireless receiving module includes a wireless receiving unit and a decoding unit.

The wireless receiving unit is used for receiving the coding key signal, the decoding unit is used for decoding the received coding key signal to obtain a decoding key signal, and the main control module receives the decoding key signal and triggers the control signal so as to control the corresponding module to work.

Further as a preferred embodiment, the intelligent curtain system further comprises an indicator light module, wherein the indicator light module is used for indicating the working states of the motor module and the alarm module and the working mode of the intelligent curtain system.

As shown in fig. 8, the indicator lamp module includes a first light emitting diode D1, a second light emitting diode D2, a third light emitting diode D3, a fourth light emitting diode D4, a first resistor R1, a second resistor R2, a third resistor R3, and a fourth resistor R4. When the first light emitting diode D1 is on, the motor of the motor module is indicated to rotate forward, and the curtain is pulled open. When the second light emitting diode D2 is on, the motor of the motor module is reversed to close the curtain. When the third light emitting diode D3 is on, it indicates that the smart window covering system is in the smart mode, and when the third light emitting diode D3 is off, it indicates that the smart window covering system is in the manual mode. The fourth light emitting diode D4 will illuminate when the alarm module sounds an alarm.

Further as a preferred embodiment, the human body sensing module includes a pyroelectric infrared sensor, a first resistor, a second resistor and a first triode;

The invention is further described with reference to the drawings and the specific embodiments.

The embodiment provides an intelligent curtain control system which is mainly divided into a hardware part and a software part.

As shown in fig. 1, an intelligent curtain control system comprises a light detection module, a human body induction module, a main control module, a motor module, an alarm module, an indicator light module, a limit switch module, a remote control module, a wireless receiving module and a power supply module, wherein the remote control module comprises a key unit and a wireless transmitting unit, and the wireless receiving module comprises a wireless receiving unit and a decoding unit;

the output end of the light ray detection module, the output end of the human body induction module, the output end of the wireless receiving module and the output end of the limit switch module are connected with the input end of the main control module, the output end of the main control module is respectively connected with the input end of the motor module, the input end of the alarm module and the input end of the indicator light module, and the remote control module is wirelessly connected with the wireless receiving module;

the output end of the power supply module is respectively connected with the input end of the light detection module, the input end of the human body induction module, the input end of the main control module, the input end of the motor module, the input end of the alarm module, the input end of the limit switch module, the input end of the remote control module and the input end of the wireless receiving module.

As shown in fig. 2, the main control module is composed of a single chip microcomputer U3 and a single chip microcomputer peripheral circuit. The singlechip U3 can be STC89C52 singlechip. The peripheral circuit of the single chip microcomputer can comprise a crystal oscillator circuit and a reset circuit which are shown in fig. 2, the crystal oscillator circuit comprises a crystal oscillator Y1, a twenty-second capacitor C22 and a twenty-third capacitor C23, and the output of the crystal oscillator Y1 is connected to the single chip microcomputer U3. The reset circuit comprises a twenty-seventh resistor R27, a first capacitor C1 and a reset key KS.

As shown in fig. 3, the light detecting module includes a twenty-first photo resistor R21, a sixth triode Q6, a nineteenth resistor R19, and a twentieth resistor R20, and an output end of the light detecting module is connected to an input end of the main control module.

When light is dark, the resistance value of the photoresistor R21 is increased, the voltage of the base electrode of the sixth triode Q6 is pulled low, the sixth triode Q6 is in a cut-off state, the voltage of the emitter electrode of the sixth triode Q6 is pulled low by the twentieth resistor R20, and the light detection module outputs a low level signal to the main control module; when the intensity of light is strong, the resistance of the photo resistor R21 becomes small, the voltage of the base of the sixth transistor Q6 becomes high, the sixth transistor Q6 is in a conducting state, and the voltage of the emitter of the sixth transistor Q6 is pulled high, so that the light detection module outputs a high level signal to the main control module. The light detection module triggers a first control signal according to a first detection signal received by the light detection module, controls the motor module, and controls the motor module to rotate forwards and backwards, so that the curtain is pulled open in the daytime and closed at night.

As shown in fig. 4, the human body sensing module includes a pyroelectric infrared sensor U1, a first resistor R1, a second resistor R2 and a first transistor Q1;

the pyroelectric infrared sensor U1's power supply end and first triode Q1's collection motor all are connected to power supply end VCC, the signal output part of pyroelectric infrared sensor is connected with the one end of first resistance R1, the other end of first resistance R1 is connected with first triode Q1's base, the earthing terminal of pyroelectric infrared sensor U1 and the one end of second resistance R2 all are connected to ground GND, the other end of second resistance R2 is connected to the projecting pole of first triode Q1, the projecting pole of first triode Q1 still is connected to host system.

When the pyroelectric infrared sensor U1 detects that someone is close to the curtain, the signal output end of the pyroelectric infrared sensor U1 outputs a high level, the first triode Q1 is in a conducting state, and the human body induction module outputs a high level signal, namely a second detection signal, to the main control module. And the main control module triggers a second control signal according to the received second detection signal so as to control the alarm module to give out an alarm sound.

As shown in fig. 5, the motor module includes a third transistor Q3, a fourth transistor Q4, a first relay JD1, a second relay JD2, a motor M, a ninth resistor R9, a tenth resistor R10, and an eleventh resistor R11.

According to the first control signal of the main control module, the motor module adopts double relays to respectively control the positive rotation and the negative rotation of the motor, so that the curtain is controlled to be opened and closed.

As shown in fig. 6, the alarm module includes a BUZZER, a twenty-first resistor R21, and a seventh transistor Q3. The seventh triode Q7 plays a role of a switch, when the main control module sends a low level signal to the alarm module, namely a second control signal, the seventh triode Q7 is conducted, and current passes through the BUZZER, so that the BUZZER sends out alarm sound, the effect of frightening the thief is achieved, and the thief can cancel the intention of entering the room. When the master control module inputs a high level signal to the alarm module, the seventh triode Q7 is in a cut-off state, no current passes through the BUZZER, and the BUZZER does not sound.

The limit switch module comprises an upper limit switch module and a lower limit switch module, the upper limit switch module and the lower limit switch module are identical in realization principle, and the upper limit switch module and the lower limit switch module are respectively installed at the opening position and the closing position of the curtain. For example, as shown in fig. 7, the upper limit switch module includes an infrared pair tube including an infrared transmitting tube D6 and an infrared receiving tube D5, and a voltage comparator U2, where the voltage comparator U2 may be an LM 393.

The curtain is driven to be opened along with the forward rotation of the motor, the infrared receiving tube D5 of the upper limit switch module receives infrared light which is emitted by the infrared emitting tube D6 and reflected by the curtain, the voltage comparator U2 receives an infrared light signal and outputs a low level signal, namely a third detection signal, to the main control module after voltage comparison, and the main control module triggers a stop signal according to the third detection signal so as to control the motor module to stop working. Similarly, when the curtain is closed, the lower limit switch module can also output a low level signal to the main control module, and the main control module triggers the stop signal to control the motor module to stop working.

As shown in fig. 8, the indicator light module includes a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a first light emitting diode D1, a second light emitting diode D2, a third light emitting diode D3, and a fourth light emitting diode D4. When the first light emitting diode D1 is on, the motor is rotated forward to open the curtain. When the second light emitting diode D2 is on, the motor is reversed to close the curtain. When the third light-emitting diode D3 is on, the intelligent curtain control system is in the intelligent mode, and when the intelligent curtain control system is in the intelligent mode, the intelligent curtain control system automatically controls the motor module according to the outdoor light condition, so that the curtain is opened and closed; when the third light emitting diode D3 goes out, it indicates that the intelligent curtain control system is in the manual mode, when the intelligent curtain control system is in the manual mode, the key signals for opening and closing the curtain can be manually input, and the main control module controls the opening and closing of the curtain after receiving the corresponding key signals. The fourth led D4 is lit to indicate that the buzzer of the alarm module is sounding an alarm.

As shown in fig. 9, the remote control module includes a key unit and a wireless transmission unit.

And the key unit is used for inputting key signals, and the key signals comprise key signals of curtain opening, curtain closing, working mode switching, defense deployment and withdrawing and the like. As shown in fig. 9, the key unit includes a first key K1, a second key K2, a third key K3, a fourth key K4, a first diode D1, a second diode D2, a third diode D3, and a fourth diode D4. The first button K1 is a curtain opening button for inputting a button signal for opening the curtain. The second button K2 is a curtain closing button for inputting a button signal for closing the curtain. The third key K3 is a switch working mode key for inputting a key signal of a working mode of the intelligent curtain control system, the working mode comprises a manual mode and an intelligent mode, when the intelligent mode is in the intelligent mode, the intelligent curtain control system autonomously detects external environmental conditions so as to open or close the curtain, when the intelligent mode is in the manual mode, a key signal for opening or closing the curtain is inputted through a key unit on the remote control module, and after the main control module receives the corresponding key signal, the motor module is controlled so as to control the opening or closing of the curtain through a manual hole. The fourth key K4 is a arming and disarming key and is used for inputting arming or disarming key signals, the intelligent curtain control system enters a working state after the master control module receives the arming key signals, and when the human body sensing module detects that a person approaches the curtain, the master control module controls the alarm module to give an alarm sound; when the master control module receives the disarming key signal, the human body sensing module and the alarm module are in a non-working state. The first diode D1, the second diode D2, and the third diode D3 function to filter the foreign signal.

As shown in fig. 9, the wireless transmitting unit includes an encoding subunit and a wireless transmitting subunit. The coding subunit is used for coding the key signals input from the key unit to obtain coded key signals, and the coding subunit comprises a coding chip U4, and the coding chip U4 can adopt SC 2262. And the wireless transmitting unit is used for transmitting the coded key signals to the main control module. The wireless transmitting unit adopts a 315M wireless transmitting module U5, and the 315M wireless transmitting module U5 adopts a sound meter resonator SAW for frequency stabilization, so that the frequency stability is extremely high, and the frequency point can not deviate.

As shown in fig. 10, the wireless receiving module includes a wireless receiving unit and a decoding unit.

And the wireless receiving unit is used for receiving the coded signal from the wireless transmitting module. The wireless receiving unit adopts a 315M super-regenerative wireless receiving module M2, and the receiving sensitivity can reach-105 dB.

A decoding unit for decoding the encoded signal. The decoding unit is composed of a decoding chip M3 and peripheral circuits. The decoding chip M3 may employ SC 2272. The 315M super-regenerative wireless receiving module M3 does not have a decoding ic, and therefore needs to be used with a decoding circuit. The decoding unit decodes the coded signal to obtain a decoded signal and transmits the decoded signal to the main control module.

The power supply module comprises a voltage stabilizing element, and the voltage stabilizing element can adopt a 7805 voltage stabilizing tube. Firstly, the transformer is used for converting 220V voltage of the mains supply into 5V voltage, and the 5V voltage output by the transformer is not stable enough, so that the voltage output by the transformer using the voltage stabilizing element is stabilized at 5V, the voltage supplied to the intelligent curtain control system is ensured to be 5V, and the circuit safety is improved.

The utility model discloses dry theory of operation as follows:

after the system is powered on, a key signal for switching the working mode is input through the remote control module, so that the intelligent curtain control system is in the intelligent mode, referring to fig. 1, the light detection module detects the change of the external illumination intensity to generate a first detection signal, the main control module triggers the first control signal according to the received first detection signal to control the forward rotation and the reverse rotation of the motor module, so that the ventilation and lighting of the curtain are opened in the daytime, the curtain is closed at night, when the motor drives the curtain to be opened and closed in the forward rotation and the reverse rotation, a third detection signal is generated through the limit switch module, and the main control module triggers a stop signal according to the third detection signal to control the motor module to stop working, namely, the motor to stop rotating, thereby preventing the curtain from being excessively opened and closed, protecting the curtain and prolonging the.

When a key signal for switching the working mode is input through the remote control module, the intelligent curtain control system is in a manual mode, in the manual mode, a key signal for opening the curtain and a key signal for closing the curtain are input through the remote control module, the received key signals are transmitted to the main control module through the wireless receiving module, and the main control module triggers a control signal according to the corresponding key signals, so that the electric control machine module opens the curtain or closes the curtain.

The intelligent curtain control system is in a defense deployment state by inputting a key signal for defense deployment and fortification through the remote control module, when the human body sensing module detects that a person is close to the curtain, a second detection signal can be generated, and the main control module triggers the second control signal according to the second detection signal so as to control the alarm module to give an alarm sound.

The intelligent curtain control system is in a disarming state by inputting a key signal for arming and disarming through the remote control module, and the human body sensing module and the alarm module do not work.

To sum up, the utility model relates to an intelligence (window) curtain control system has following advantage:

(1) in an intelligent mode, the light detection module detects the change of the external light intensity, so that the aims of opening the curtain in the day and closing the curtain at night are fulfilled;

(2) whether a person approaches the curtain is detected through the human body sensing module, and when the person approaches the curtain, the alarm module gives out an alarm sound, so that a thief who is in the heart of burglary is deterred;

(3) whether the curtain is excessively stretched and closed is detected through the limit switch module, so that the curtain is protected, and the service life of the curtain is prolonged;

(4) the curtain is manually controlled to be opened and closed through the remote control module, and the purposes that the burglar is defended and wakened when no person is at home, and the domestic life is not disturbed when the burglar is defensed when the person is at home are achieved.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. An intelligent curtain control system is characterized by comprising a light ray detection module, a human body induction module, a main control module, a motor module and an alarm module;

2. The intelligent curtain control system according to claim 1, further comprising a limit switch module, wherein an output end of the limit switch module is connected with an input end of the main control module.

3. The intelligent curtain control system according to claim 1, further comprising a wireless receiving module, wherein an output end of the wireless receiving module is connected with an input end of the main control module.

4. The intelligent window shade control system of claim 3, wherein the wireless receiving module comprises a wireless receiving unit and a decoding unit.

5. The intelligent curtain control system of claim 3, further comprising a remote control module, wherein the remote control module is wirelessly connected with the wireless receiving module.

6. The intelligent window covering control system of claim 5, wherein the remote control module comprises a key unit and a wireless transmitting unit.

7. The intelligent curtain control system of claim 1, further comprising an indicator light module, wherein an input end of the indicator light module is connected with an output end of the main control module.

8. The intelligent curtain control system of claim 1, wherein the human body sensing module comprises a pyroelectric infrared sensor, a first resistor, a second resistor and a first triode;