CN201710098U - Intelligent curtain with safety precaution alarm function - Google Patents

Abstract

An intelligent curtain with security anti-criminal alarm function, the main control board includes the microprocessor MCU installed on the electric board, respectively electrically connected to the remote control receiver, clock circuit, telephone online programming circuit, and curtain motor installed on the same electric board Control circuit, connector J5, connector J4, connector J5 is connected to the security alarm control board, connector J4 is connected to the infrared processing circuit and the gas induction circuit; the security alarm control board includes a FLASH memory installed on another electric board, a dial It is connected with the number receiving processing circuit, LCD display, voice recording and playback circuit, signal tone detection circuit, keyboard and telephone interface circuit with several interfaces of the microprocessor MCU, controls the opening and closing of curtains through the remote control, and has infrared human body monitoring and gas leakage monitoring Function and connected to the telephone network for alarm, voice prompt and display monitoring function solution, which overcomes the defect of single function of the existing electric curtains, and is suitable for home installation.

Description

Smart curtains with security alarm function

technical field

The utility model relates to an intelligent curtain with a security anti-crime alarm function. the

Background technique

At present, most of the curtains used in household and office buildings and hotels are directly opened and closed manually. The functions of the electric control curtains that have been on the market only have three action control functions of opening, closing and stopping the curtains. Turn, reverse, stop to realize the opening, closing and stopping of the curtains, the control board timer counts regularly, and the control board drives the action of the curtain motor after the timing count reaches the set value; but the electric curtain products only have the function of opening and closing the curtains. Single, the electrical components and circuit design used are low in intelligence and expensive, and cannot be popularized in actual use, and do not have the security alarm functions of human body infrared induction monitoring and indoor gas monitoring. the

Contents of the invention

In view of the above situation, the utility model provides a simple structure, high reliability, low cost, integrated remote controller to control the opening and closing of curtains, stop, with infrared induction monitoring and indoor gas monitoring and connected with the telephone network to realize security alarm function, with voice Smart curtains with security alarm function for reminder and display function. the

In order to achieve the above object, a kind of intelligent curtain with security anti-criminal alarm function, its main control board includes the microprocessor MCU installed on the electric board, respectively electrically connected to the remote control receiver, clock circuit, telephone, etc. installed on the same electric board. Online programming circuit, curtain motor control circuit, connector J5, connector J4, connector J5 is connected to the security alarm control board, connector J4 is connected to the infrared processing circuit and gas induction circuit, the curtain motor control circuit is connected to the curtain motor, and the mechanical mechanism of the curtain motor The control device and the curtain motor are packaged in the curtain opening and closing transmission box; the security alarm control board includes a FLASH memory installed on another electric board, a dialing and number receiving processing circuit, an LCD display, a voice recording and playback circuit, and signal tone detection circuit, keyboard and telephone interface circuit are connected with several interfaces of the microprocessor MCU; The network telephone line is connected to the local telephone office; the curtain motor control circuit includes ACL and ACN, which are live wires and neutral wires of 220V alternating current, respectively, relay T5 is connected to the forward connector of the curtain motor and transistor Q8, and relay T6 is connected to the reverse connector of the curtain motor and transistor Q9 , the curtain motor control circuit is connected to the P13 and P14 ports of the microprocessor MCU; the infrared processing circuit includes an infrared sensor connected to a pyro-integrated circuit chip, and a pyro-integrated circuit chip connected to a filter circuit and a triode Q15, and connected to a microprocessor via a relay T8 The P33 port of the device MCU; the gas induction circuit includes a gas sensor connected to the triode Q5, connected to the relay T2 through the connectors J1 and J2, and the relay T2 is connected to the P35 port of the microprocessor MCU; the telephone interface circuit and the signal tone detection circuit include The contacts of the relay JP1 are connected to the telephone line interface and the coupling transformer, the relay JP1 is connected to the detection chip through the transistor Q1, and the transistor Q1 is connected to the P36 port of the microprocessor MCU; The second pin of the transformer is connected, and the binary data of the dialed number and the received number are connected with the I/O port of the microprocessor MCU through the pins D3, D2, D1, and D0. the

In order to achieve results optimization, improve, and improve the comprehensive performance of the new and practical new types, further measures are:

The model of the microprocessor MCU is AT89S52 single-chip microcomputer.

The model of the infrared sensor is RE200B, and the model of the pyroelectric integrated circuit chip is BIS0001. the

The model of the FLASH memory is AT24C02. the

The detection chip model is CR6230. the

The integrated circuit model is MT8880. the

The LCD display model is LCD1602. the

The voice recording and playback chip model of the voice recording and playback circuit is ISD1420. the

The remote control receiver is wirelessly connected to the remote control, and the microprocessor in the remote control is a SMD-packaged MCS89C2051 single-chip microcomputer. the

The utility model adopts the main control board including the microprocessor MCU installed on the electric board to be respectively electrically connected to the remote control receiver installed on the same electric board, the clock circuit, the telephone online programming circuit, the curtain motor control circuit, the connector J5, the connecting The connector J4 is connected to the security alarm control board, and the connector J4 is connected to the infrared processing circuit and the gas induction circuit; the security alarm control board includes a FLASH memory installed on another electric board, a dialing and number receiving processing circuit, LCD display, voice recording and playback circuit, signal tone detection circuit, keyboard and telephone interface circuit are connected to several interfaces of the microprocessor MCU; the telephone interface circuit is electrically connected to the dialing and number receiving processing circuit, LCD display, voice recording and playback circuit, public telephone network Telephone line, signal tone detection circuit, the telephone line of the public telephone network is connected to the local office, and the opening and closing of the curtains are controlled by the remote control. It has infrared human body monitoring and gas leakage monitoring functions and is connected to the telephone network for alarm, and has voice prompts and display monitoring functions. The utility model overcomes the single-function defect of the existing electric curtains. the

Compared with the beneficial effects produced by the prior art, the utility model:

1. Make the functions of electric curtains diversified, integrated, intelligent, and reliable.

2. Bring the comfort of home life and enhance the safety of home life. the

3. It integrates electric curtain remote control, manual power failure, infrared sensor monitoring, and indoor gas leakage monitoring. the

4. Make full use of public telephones to dial the alarm. the

5. Using a variety of chips and integrated circuits makes the product small in size, multi-functional and easy to operate. the

6. The structure is simple, the reliability is high, the manufacturing cost is low, the price is cheap and the quality is good, and the economic benefit is good. the

The utility model is suitable for family use, and is also suitable for office buildings and hotels. the

The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment. the

Description of drawings

Fig. 1 is the overall structural frame diagram of the present utility model. the

Figure 2 is the circuit structure diagram of the main control board. the

Figure 3 is a circuit connection diagram of the microprocessor MCU. the

Figure 4 is a diagram of the curtain motor control circuit. the

Figure 5 is a circuit diagram of infrared induction processing. the

Figure 6 is a gas induction circuit diagram. the

Figure 7 is a circuit structure diagram of the security alarm control board. the

FIG. 8 is a circuit diagram of serial FLASH storage. the

Fig. 9 is a diagram of the telephone interface circuit and signal tone detection circuit. the

Fig. 10 is a circuit diagram of DTMF signal sending and receiving for dialing and number receiving processing. the

Fig. 11 is a working principle diagram of the utility model. the

In the figure: 1. Curtain opening and closing transmission box, 2. Curtain motor, 3. Main control board, 4. Infrared sensor, 5. Gas sensor, 6. Remote controller, 7. Security alarm control board, 8. Local office, 9 , Microprocessor MCU, 10, infrared processing circuit, 11, gas induction circuit, 12, curtain motor control circuit, 13, clock circuit, 14, remote control receiver, 15, telephone online programming circuit, 16, connector J5, 17 , Connector J4, 18, Relay, 19, Curtain motor forward connector, 20, Transistor, 21, Curtain motor reverse connector, 22, Filter circuit, 23, Pyro IC chip, 24, FLASH memory, 25, Dialing and number receiving processing circuit, 26, LCD display, 27, public telephone network telephone line, 28, keyboard, 29, telephone interface circuit, 30, voice recording and playback circuit, 31, signal tone detection circuit, 32, telephone line interface, 33 . Audio coupling transformer, 34. Detection chip, 35. Integrated circuit. the

Detailed ways

As shown in Figure 1 to Figure 11 of the accompanying drawings, a smart curtain with a security alarm function, its main control board 3 includes a microprocessor MCU9 installed on the electric board, respectively electrically connected to the remote control installed on the same electric board Receiver 14, clock circuit 13, telephone online programming circuit 15, curtain motor control circuit 12, connector J516, connector J417, connector J516 is connected to security alarm control board 7, connector J417 is connected to infrared processing circuit 10 and gas induction circuit 11. The curtain motor control circuit 12 is connected to the curtain motor 2, and the mechanical control device of the curtain motor 2 and the curtain motor 2 are packaged in the curtain opening and closing transmission box 1; the security alarm control board 7 includes a FLASH memory installed on another electric board 24, dialing and number receiving processing circuit 25, LCD display 26, voice recording and playback circuit 30, signal tone detection circuit 31, keyboard 28 and telephone interface circuit 29 are connected with several interfaces of microprocessor MCU9; Telephone interface circuit 29 is electrically connected dialing With receiving number processing circuit 25, LCD display 26, voice recording and playback circuit 30, public telephone network telephone line 27, signal tone detection circuit 31, public telephone network telephone line 27 is connected local telephone bureau 8; Described curtain motor control circuit 12 comprises ACL and ACN is the live wire and neutral wire of 220V alternating current respectively, the relay 18T5 is connected to the forward connector 19 of the curtain motor 2 and the transistor 20Q8, the relay 18T6 is connected to the reverse connector 21 of the curtain motor 2 and the transistor 20Q9, and the curtain motor control circuit 12 is connected to the microprocessor MCU9 P13 and P14 port; infrared processing circuit 10 comprises infrared sensor 4 and connects pyrolysis integrated circuit chip 23, and pyrolysis integrated circuit chip 23 connects filter circuit 22 and triode 20Q15, connects the P33 port of microprocessor MCU9 through relay 18T8; gas induction circuit 11 includes gas sensor 5 connected to triode 20Q5, connected to relay 18T2 via connectors J1 and J2, and relay 18T2 connected to P35 port of microprocessor MCU9; telephone interface circuit 29 and signal tone detection circuit 31 including contact of relay 18JP1 connected to telephone line interface 32 And coupling transformer 33, relay 18JP1 connects detection chip 34 through triode 20Q1, and triode 20Q1 connects the P36 port of microprocessor MCU9; The pins are connected, and the binary data of the dialed number and the received number are connected with the I/O port of the microprocessor MCU9 through pins D3, D2, D1, and D0. the

As shown in Fig. 1 and Fig. 2, Fig. 1 is the overall structure diagram, Fig. 2 is the circuit structure diagram of the main control board 3, the main control board 3 and the security alarm control board 7 are all centered on the microcontroller MCU9, and the micro-controller MCU9 adopts AT89S52 microcontroller, which is a low-power, high-performance 8-bit microcontroller MCU, embedded with 8K programmable Flash memory. It satisfies the requirements of small volume and large function of the remote controller. the

Shown in Fig. 3, be the circuit connection diagram of microprocessor MCU9, install microcontroller MCU9 and the clock circuit 13 that is electrically connected with controller MCU9, telephone online programming circuit 15, remote control receiver 6, connect Connector J516, connector J417, the connector J417 is used to receive the detection information sent by the infrared sensor 4 and the gas sensor 5 and the processing circuit, and the connector J516 is used to send various alarm signals to the security alarm control board 7. the

As shown in Figure 4, it is the control circuit diagram of the curtain motor 2. In order to realize the electric control of the curtain, a low-speed AC synchronous motor capable of forward and reverse rotation is selected as the curtain motor 2, and it is powered by the mains 220V. The mechanical control device for the rotation of the curtain motor 2 and the curtain motor 2 are packaged in the curtain opening and closing transmission box 1, which is set according to the size and position of the curtain during installation; ACL and ACN are the live wire and neutral wire of 220V AC, and the curtain motor rotates forward Connector 19 is connected to the positive pole of curtain motor 2, curtain motor reverse connector 21 is connected to the negative pole of curtain motor 2, relay 18 T5 is activated, relay 18 T6 is released, and curtain motor 2 rotates forward; relay 18T6 is activated, relay 18T5 is released, and the curtain motor 2 reverse; relay 18 T5, T6 do not act, the curtain motor 2 does not move; relay 18T5 and T6 are respectively controlled by the P13 and P14 ports of the microcontroller MCU9, "1" level is action, "0" power Flat for release. the

As shown in Fig. 5, it is a circuit diagram of the infrared induction processing circuit 10. According to the principle of the human body's induction of infrared pyrolysis, the pyroelectric infrared sensor 4 converts the detected infrared signal radiated by the human body into a low-frequency 0.5-9 Hz electrical signal, adding To the input terminal 14 pins of the first-stage operational amplifier of the pyroelectric integrated circuit chip 23, after bipolar amplification, filtering and signal processing, a high-level control signal with a certain delay is output at its output terminal VO2 pin; the control signal Add it to the base of the triode 20Q15 to turn it on, so that the relay 18T8 will act and send an alarm message to the P33 port of the microcontroller MCU9; sensor. the

As shown in Fig. 6, it is the diagram of the gas induction circuit 11. The gas sensor 5 detects whether there is a gas leak. If there is a gas leak, the fourth pin outputs a high level to turn on the triode 20Q5, and then the triode 20Q5 drives the relay 18T2 Pulling in, the gas leakage alarm signal is sent to the P35 port of the microcontroller MCU9 by the moving contact of the relay 18T2. the

As shown in Figure 7, it is a circuit structure diagram of the security alarm control board 12, and a FLASH memory 14, a signal tone detection circuit 31, a dialing and receiving number processing circuit 25, a voice recording and playback circuit 30, an LCD display 26, and a telephone interface are installed on the control board The circuits 29 are respectively interfaced with the microcontroller MCU9. Voice recording and playback circuit 30 adopts ISD1420 voice recording and playback chip, and the whole circuit is composed of voice recording and playback chip and peripheral circuit, and an interface circuit with microcontroller MCU9. ISD1420 chip can store 20 seconds voice information in segments, and can read 3 seconds per second. 600 Chinese characters can be stored in segments within 20 seconds, and can be divided into 160 segments at most; LCD display 26 is used for querying numbers, passwords and operation codes, and LCD display 26 adopts LCD1602 lines×16 characters, and the character type liquid crystal module is The information display device in the application system; LCD1602 has the characteristics of small size, low power consumption, and rich display content. The controller inside the LCD module has a total of 11 control instructions. Controller MCU9 instructions programming to achieve. the

Shown in Fig. 8, be the circuit diagram of serial FLASH memory 24, the mobile phone number that FLASH memory 24 dials when being used for pre-storing the alarm, office landline number, 110, 119, 120 and the password and the operation code of home appliance remote control, selection capacity is 256 bytes of AT24C02. The AT24C02 chip is an E2PROM memory with an I ² C bus interface. It has a power-off memory function. Its internal address space is 00H～ffH, and there are three addresses A2, A1, and A0 outside. Eight AT24C02 chips can be connected to the bus. I ² C bus structure is very simple, only two lines, including a data line SDA and a serial clock line SCL. Devices with an I ² C interface can be connected to the bus through these two lines to transmit information between each other. The AT24C02 chip and the microcontroller MCU9 are connected by the I ² C bus through I/O ports P30 and P31.

By shown in Figure 9, be the circuit diagram of telephone interface circuit 29 and signal tone detection circuit 31, comprise the coupling circuit of the off-hook circuit of telephone and audio frequency coupling transformer 33, audio frequency coupling transformer 33 is used for signal tone, message voice, DTMF signal couple. The off-hook circuit is realized by the microcontroller MCU9 controlling the pull-in and release of the relay 18JP1. When the P36 port of the microcontroller MCU9 sends a high level, the transistor Q1 is turned on, and the relay 18JP1 pulls in. Contacts 7 and 8 of the relay 18JP1 are connected to the phone The external line is connected, and the off-hook circuit is formed by R2 and other components. When the P36 port of the microcontroller MCU9 sends a low level, the off-hook circuit is disconnected, which is equivalent to returning to the on-hook state. Among the figure, SIGN is the interface of audio coupling transformer 33 and signal tone detection circuit 31, TONE is the interface of dual-tone multi-frequency DTMF number transceiver circuit, and SP+ and SP- are the interface of voice playback circuit. Signal tone detection circuit 31 is completed by signal tone special detection chip 34, and detection chip 34 model is CR6230, and the pin of its signal input SIGN is connected with audio coupling transformer 33, can accurately identify various signal tones of telephone line, dial tone, Ringback tone, busy tone, reminder tone; output by four pins respectively, connected to the input port of the microcontroller MCU9, the microcontroller MCU9 only needs to read the state of each pin. the

Shown in Fig. 10, be the circuit diagram of dialing and number receiving processing circuit 25, mainly finish the dialing of telephone number, send and the reception of remote control password and operation code operation command code, because the number and signaling on the public telephone exchange network are all To transmit in DTMF mode, the DTMF transceiver ASIC 35 is adopted in the figure, and the model is MT8880. The input IN and output TONE of the DTMF signal of the MT8880 are connected to the second pin of the audio coupling transformer 33 through the peripheral amplifier circuit, and the dial number The binary data of the received number is connected to the I/O port of the microcontroller MCU9 through pins D3, D2, D1, D0, so that the DTMF signal of the dialed number is uploaded to the telephone line, and the DTMF signal on the telephone line is sent to the remote end It is also decoded into a number to be read by the microcontroller MCU9.

The curtain motor 2 controls the opening and closing of the curtain, and the working control of the curtain motor 2 has the following three methods:

1. Use the remote control 6 to operate. When pressing the command key on the remote control 6, the remote control receiver 14 receives the signal and transmits the signal to the microcontroller MCU9. After the signal is processed by the microcontroller MCU9, it is transmitted to the curtain motor Control circuit 12, when pressing the "close" key on the remote controller 6, the curtain motor 2 works in forward rotation, and the curtain is pulled and closed; when the "stop" key is pressed, the curtain motor 2 stops working; the curtain stops moving; press " When the "open" button is pressed, the curtain motor 2 will work in reverse, the curtain will be opened and opened to the end. During the movement of the curtain 2, no matter whether it is opened or closed, the curtain motor 2 will stop moving when the "stop" button is pressed.

2. To open and close the curtains regularly, press the number key of the command key on the remote controller 6, the remote receiver 14 receives the signal, and transmits the signal to the microcontroller MCU9, and the microcontroller MCU9 starts the clock circuit 13, and the remote controller 6 commands The keyboard has 1-9 keys, input a certain number, the clock circuit 13 that is connected with microcontroller MCU9 will record this number, when the time prolongs to this time, microcontroller MCU9 sends signal to curtain motor control circuit 12, The curtain motor 2 works to realize the opening and closing of the curtain; press the "cancel" button, the above settings are automatically canceled, press the "clear" button, the curtain motor 2 is forced to stop rotating, and the previously set timing on or timing off will be cleared. , last valid. The microprocessor in the remote controller 6 is an SMD package MCS89C2051 single-chip microcomputer. the

3. Infrared induction and self-gas induction automatic control and alarm. The infrared sensor 4 is installed at the entrance of the room. When someone enters the room, the infrared sensor 4 detects the signal that someone enters the room, and passes the signal through the infrared induction processing circuit 10. Send to microcontroller MCU9 after processing, after microcontroller MCU9 reprocesses the signal, send to curtain motor control circuit 12, make curtain motor 2 work, open curtain automatically; A gas leakage signal is detected, and the signal is processed by the gas induction circuit 11 and sent to the microcontroller MCU9. After the microcontroller MCU9 reprocesses the signal, it is sent to the curtain motor control circuit 12 to make the curtain motor 2 work. Automatically open the curtains; if someone is at home, the microcontroller MCU9 will send the processed signal to the voice recording and playback circuit 30, and give a voice prompt to remind the owner to process it. If no one is at home, the microcontroller MCU9 will again The processed signal is transmitted to the dialing and number receiving processing circuit 25, and automatically connects to the public telephone network telephone line 27, starts the automatic dialer, dials out the 5 pre-stored telephone numbers in turn, and repeats 4 times, and starts voice recording and playback at the same time The circuit 30 plays the voice of address and processing request to the called party who has gone off-hook. Any callee who goes off-hook presses a specific key to cancel the remaining dialing alarms, and the * key or # key is set as a specific key. the

Claims (9)

1. intelligent curtain with safety protection alarm function, the master control borad (3) that it is characterized in that it comprises the microprocessor MCU(9 that is installed on the electroplax) be electrically connected the remote-controlled receiver (14) be installed on the same electroplax respectively, clock circuit (13), phone online programming circuit (15), curtain circuit for controlling motor (12), connector J5(16), connector J4(17), connector J5(16) connects security alarm control panel (7), connector J4(17) connects infra red treatment circuit (10) and combustion gas sensor circuit (11), curtain circuit for controlling motor (12) connects curtain motor (2), and the machine control unit of curtain motor (2) and curtain motor (2) are encapsulated in the curtain open/close gear box (1); Described security alarm control panel (7) comprises the FLASH holder (24) that is installed on another electroplax, dial and the treatment circuit that collects the digits (25), LCD display (26), audio record circuit (30) signal tone testing circuit (31), keyboard (28) and telephone interface circuit (29) and microprocessor MCU(9) several interfaces be connected; Telephone interface circuit (29) is electrically connected dialing and collects the digits treatment circuit (25), LCD display (26), audio record circuit (30), public phone network telephone wire (27), signal tone testing circuit (31), and public phone network telephone wire (27) connects Local Exchange (8); Described curtain circuit for controlling motor (12) comprises that ACL and ACN are respectively the live wire and the zero line of 220V alternating current, relay (18) T5 connects positive adapter (19) of curtain motor (2) and triode (20) Q8, relay (18) T6 connects curtain motor (2) counter-rotating joint (21) and triode (20) Q9, curtain circuit for controlling motor (12) connection microprocessor MCU(9) P13 and P14 port; Described infra red treatment circuit (10) comprises that infrared sensor (4) connects heat and releases IC chip (23), heat is released IC chip (23) and is connected filter circuit (22) and triode (20) Q15, through relay (18) T8 connection microprocessor MCU(9) the P33 port; Described combustion gas sensor circuit (11) comprises that gas security (5) connects triode (20) Q5, connects relay (18) T2 through connector J1, J2, and relay (18) T2 connects microprocessor MCU(9) the P35 port; Described telephone interface circuit (29) comprises that with signal tone testing circuit (31) relay (18) JP1 contact is connected telephone line interface (32) and audio frequency coupling transformer (33), relay (18) JP1 connects detection chip (34) through triode (20) Q1, and triode (20) Q1 connects microprocessor MCU(9) the P36 port; Described dialing comprises that with the treatment circuit that collects the digits (25) integrated circuit (35) links to each other by the 2nd pin of peripheral amplifying circuit with coupling transformer (33), the binary data of dialed number and receiving number is by pin D3, D2, D1, D0 and microprocessor MCU(9) the I/O port be connected.

2. a kind of intelligent curtain with safety protection alarm function according to claim 1 is characterized in that described microprocessor MCU(9) model be the AT89S52 single-chip microcomputer.

3. a kind of intelligent curtain with safety protection alarm function according to claim 1 is characterized in that described infrared sensor (4) model is RE200B, and it is BIS0001 that heat is released IC chip (23) model.

4. a kind of intelligent curtain with safety protection alarm function according to claim 1 is characterized in that described FLASH holder (24) model is AT24C02.

5. a kind of intelligent curtain with safety protection alarm function according to claim 1 is characterized in that described detection chip (34) model is CR6230.

6. a kind of intelligent curtain with safety protection alarm function according to claim 1 is characterized in that described integrated circuit (35) model is MT8880.

7. a kind of intelligent curtain with safety protection alarm function according to claim 1 is characterized in that described LCD display (26) model is LCD1602.

8. a kind of intelligent curtain with safety protection alarm function according to claim 1, the voice recording and playback ic model that it is characterized in that described audio record circuit (30) is ISD1420.

9. a kind of intelligent curtain according to claim 1 with safety protection alarm function, it is characterized in that described remote-controlled receiver (14) dedicated radio link remote controller (6), the microprocessor in the remote controller (6) is SMD encapsulation MCS89C2051 single-chip microcomputer.

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