CN212694534U

CN212694534U - Intelligent door and window opening and closing detection alarm device

Info

Publication number: CN212694534U
Application number: CN202021557691.2U
Authority: CN
Inventors: 陈秋煌
Original assignee: Hangzhou Yutong Technology Co ltd
Current assignee: Hangzhou Yutong Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-12
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to an intelligent door and window switching detection alarm device, including a casing and locate the detection alarm circuit in the casing, detect alarm circuit and include central processing unit, door and window switching detecting element and wireless communication unit and electrical unit, door and window switching detecting element, wireless communication unit link to each other with central processing unit respectively, and door and window switching detecting element adopts the six sensors that contain 3 magnetic sensor and 3 acceleration sensor. The utility model discloses a monomer formula structure, a single part just can detect door and window switching state, can will open the door the state, open the door the angle, open the door the dynamics and report to user's cell-phone or high in the clouds server, possesses drop and pick-proof alarming function simultaneously, installs and can also carry out rainy day and report to the police in the skylight. The utility model discloses can install the optional position on door leaf (casement), mounted position and installation distance are unrestricted, are difficult for causing the erroneous judgement, installation and convenient to use, and the detection accuracy is high.

Description

Intelligent door and window opening and closing detection alarm device

Technical Field

The utility model relates to a door and window switching detector especially relates to an intelligent door and window switching detection alarm device.

Background

Along with the rise of intelligent home and the improvement of people's security consciousness, door and window opening and closing detector receives people's favor. The door and window opening and closing detector commonly used in the market at present is also called a door magnetic alarm, and the door magnetic alarm consists of two parts, namely a switch part and a magnet part. The switch part is formed by connecting a magnetic reed switch through a lead, shaping and packaging; the magnet part is encapsulated in the plastic or alloy shell by a magnet corresponding to the magnetic field intensity. The switch part and the magnet part are respectively arranged in a door frame (a window frame) and a door leaf (a window sash), and when the two parts are separated or close to a certain distance, the switch is switched on and off so as to sense the change of the position of the door and the window.

The door magnetic alarm has the following defects:

1. must be used in pairs: the main and auxiliary components (the switch part and the magnet part) are used in pairs, and the two components are not available;

2. the distance is limited: the main and auxiliary components are required to be installed close to each other, the effective distance is limited, misjudgment is easily caused due to poor installation, the opening and closing detection precision of doors and windows is influenced, and meanwhile, the construction difficulty is increased;

3. the position is limited: can only be installed in the door frame (window frame) and the door edge (window edge) area, has great limitation on the installation position, and is easy to be touched to cause the falling-off phenomenon.

Disclosure of Invention

The utility model provides a solve above-mentioned technical problem, provide an intelligent door and window switching detection alarm device, it is monomer formula structure, and a single part just can detect door and window switching state, can install the optional position on door leaf (casement), and mounted position and installation distance are unrestricted, detect the influence that the precision does not receive mounted position, are difficult for causing the erroneous judgement, installation and convenient to use, and the detection accuracy is high.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model discloses an intelligent door and window switching detection alarm device, including a casing and locate the detection alarm circuit in the casing, detect alarm circuit and include central processing unit, door and window switching detecting element and wireless communication unit and provide operating voltage's electrical unit for whole detection alarm circuit, door and window switching detecting element, wireless communication unit link to each other with central processing unit respectively. The door and window opening and closing detection unit detects the angle and the position of a door leaf (window sash), performs data transmission with the central processing unit to obtain a door opening and closing state, and transmits data and information to a user mobile phone or a cloud server through the wireless communication unit to realize door opening and closing alarm. The utility model discloses a detect alarm circuit and install in a casing, whole device formula structure as an organic whole constitutes a single part, and unlike traditional door magnetic alarm device need install in pairs, consequently the utility model discloses can install the optional position on door leaf (casement), mounted position and installation distance are unrestricted, detect the precision and do not receive the influence of mounted position, are difficult for causing the erroneous judgement, and it is all very convenient to install and use, and the detection accuracy is high.

The utility model discloses well wireless communication unit is preferred to adopt NB-IOT communication mode, also can adopt communication modes such as CAT, 2G, 4G, 5 GWIFISI, BLE, RF.

The door opening and closing alarm of the scheme is carried out at the mobile phone end of the user and the cloud server. The utility model discloses also can add the alarm unit including bee calling organ and emitting diode in detecting alarm circuit, alarm unit links to each other with central processing unit, when needs switch door was reported to the police, starts audible-visual alarm, realizes local warning.

Preferably, the door opening/closing detection unit includes a six-axis sensor U6 including a 3-axis magnetic sensor and a 3-axis acceleration sensor. The door opening (window opening) angle is obtained by sensing the change of the earth magnetic field through the 3-axis magnetic sensor, the door opening (window opening) speed is sensed through the 3-axis acceleration sensor, the door opening and closing state is judged, the door opening (window opening) state, the door opening (window opening) angle and the door opening (window opening) force are reported to a user mobile phone or a cloud server, and door opening and closing alarming, door re-opening and door re-closing alarming are achieved. Meanwhile, through setting and judging, the falling-off and prying-resistant alarm can be realized. The device installed on the skylight can also realize rain alarm. The utility model discloses the warning kind is many, and the warning is more comprehensive, and the function is various, satisfies people's different demands.

Preferably, the six-axis sensor U6 adopts an LSM303DLH six-axis sensor,

pins

1, 2, 3, 17 and 28 of the six-axis sensor U6 are grounded,

pins

6 and 7 of the six-axis sensor U6 are both connected to a voltage VDD,

pins

21, 22, 23 and 5 of the six-axis sensor U6 are all connected to a voltage VDD of 1.8V, a capacitor C8 is connected between

pins

16 and 12 of the six-axis sensor U6, pin 15 of the six-axis sensor U6 is grounded via a capacitor C7, pin 4 of the six-axis sensor U6 is connected to the central processing unit and also to a resistor R33, and pin 26, pin 27 and pin 18 of the six-axis sensor U6 are respectively connected to the central processing unit;

pins

25 and 19 of a six-axis sensor U6 are connected, the pin 19 of the six-axis sensor U6 is connected with a voltage VDD 1.8V through a resistor R12 and is connected with a source electrode of a MOC tube Q12, a grid electrode of the MOC tube Q12 is connected with the voltage VDD 1.8V, and a drain electrode of the MOC tube Q12 is connected with the voltage VDD through a resistor R11; the pin 24 and the pin 20 of the six-axis sensor U6 are connected, the pin 20 of the six-axis sensor U6 is connected with a voltage VDD 1.8V through a resistor R10 and is connected with the source electrode of a MOC tube Q11, the grid electrode of the MOC tube Q11 is connected with the voltage VDD 1.8V, and the drain electrode of the MOC tube Q11 is connected with the voltage VDD through a resistor R14; the drain electrode of the MOC tube Q11 and the drain electrode of the MOC tube Q12 are respectively connected with the central processing unit. The circuit is simple and convenient to realize.

Preferably, the central processing unit comprises a singlechip U2, and the singlechip U2 adopts an STM8L052C6 singlechip; the

pins

16, 20, 21 and 22 of the single chip microcomputer U2 are respectively connected with the

pins

4, 18, 27 and 26 of the six-axis sensor U6, and the

pins

38 and 37 of the single chip microcomputer U2 are respectively connected with the drain electrode of the MOC tube Q11 and the drain electrode of the MOC tube Q12. The singlechip adopts low-power consumption MCU controller, can select STM8L series of ST company for use, also can be STM32 series, also can select low-power consumption singlechips such as MSP430 series of TI company for use to reduce the consumption.

Preferably, the detection alarm circuit comprises a working indicator light unit for displaying the working state of the mobile phone remotely issued calibration command and the use mode, and the working indicator light unit is connected with the central processing unit. This device is installed on door and window, at first will debug, calibrates door and window initial value, sets for the use pattern, if: a rotating door and window mode, a translating door and window mode, a skylight mode, and the like. When the mobile phone remotely issues a calibration command and a use mode, the working indicator lamp flickers.

Preferably, the detection alarm circuit comprises a key unit for informing the mobile phone to remotely issue a calibration command and a use mode, and the key unit is connected with the central processing unit. The utility model discloses when networking with the cell-phone, press the button for a long time (if press the button 5 seconds), the work pilot lamp begins to twinkle, and calibration command and user mode are issued to cell-phone remote control. That is, the mobile phone can directly issue the calibration command and the usage mode, and can also select whether to issue or not by pressing a key.

Preferably, the power supply unit is powered by a battery or a rechargeable battery, the detection alarm circuit comprises an electric quantity detection unit, the input end of the electric quantity detection unit is connected with the battery or the rechargeable battery, and the output end of the electric quantity detection unit is connected with the central processing unit. The electric quantity detection unit detects the battery voltage, when the battery voltage is lower than a set value, a user mobile phone or a cloud server can be provided with a device low-voltage alarm to remind the user or a manager of charging the device, and the device can continue to work normally.

Preferably, the shell comprises a shell which is round, a face cover which is arranged at the top of the shell and a rear cover which is arranged at the bottom of the shell, a circuit board which is welded with the detection alarm circuit is arranged in the shell and is close to the face cover, and a battery cover which is provided with a battery is arranged in the shell and is close to the rear cover. Compact structure, small volume and beautiful appearance. The double-sided adhesive tape is adhered to the rear cover, so that the device can be adhered to any position on a door leaf (window sash), the installation is very convenient, the installation position can be conveniently adjusted at any time according to needs, and the use is very flexible.

Preferably, the relative position of the inner side surface of the shell is provided with two mounting columns with internal threads, the circuit board is provided with mounting through holes, the circuit board is fixed at the front ends of the mounting columns through screws penetrating through the mounting through holes and the mounting columns in a threaded connection mode, three notches are evenly distributed along the circumference of the circuit board and are arranged at the edge of the circuit board, three limiting clamping hooks are arranged on the back surface of the face cover and are in threaded connection with the shell, and the limiting clamping hooks penetrate through the notches. The circuit board passes through the screw to be installed at the front end of erection column, and is adjacent with the face lid, face lid and shell threaded connection, easy dismounting, the maintenance of being convenient for.

Preferably, the battery cover on be equipped with the screw via hole, the battery cover is fixed through screw and the erection column threaded connection who passes the screw via hole the rear end of erection column, the back cover be equipped with three joint along the circumferential equipartition of back lid, the battery cover on be equipped with three with the joint via hole that the joint corresponds, near three joint via hole respectively is equipped with a joint seat, the joint pass joint with the joint seat joint. The battery cover is fixed at the rear end of the mounting column through a screw and adjacent to the rear cover, and the rear cover is clamped with the battery cover after rotating. The disassembly and assembly are convenient, and the battery is convenient to replace.

The utility model has the advantages that: adopt the monomer formula structure, a single part just can detect door and window open and close state, can also detect the angle of opening the door (windowing), the dynamics of opening the door (windowing), reports to user's cell-phone or management platform, possesses drop and pick-proof alarming function simultaneously, can also carry out rainy day to the skylight and report to the police, reminds the user in time to close the skylight. The utility model discloses can install the optional position on door leaf (casement), mounted position and installation distance are unrestricted, detect the precision and do not receive the influence of mounted position, are difficult for causing the erroneous judgement, installation and convenient to use, and the detection accuracy is high.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a three-dimensional exploded structure of the present invention.

Fig. 3 is a schematic circuit connection block diagram of the middle detection alarm circuit of the present invention.

Fig. 4 is a schematic circuit diagram of the central processing unit, the work indicator light unit and the key unit in the detection alarm circuit of the present invention.

Fig. 5 is a schematic circuit diagram of the door and window opening and closing detecting unit in the detecting and alarming circuit of the present invention.

Fig. 6 is a schematic circuit diagram of the power supply unit and the electric quantity detection unit in the detection alarm circuit of the present invention.

In the figure, 1, a shell, 2, a face cover, 3, a rear cover, 4, a mounting column, 5, a circuit board, 6, a gap, 7, a limiting clamping hook, 8, a battery cover, 9, a clamping joint, 10, a clamping seat, 11, a central processing unit, 12, a door and window opening and closing detection unit, 13, a work indicator light unit, 14, a key unit, 15, an electric quantity detection unit, 16, a wireless communication unit, 17, a power supply unit, 18, a rechargeable battery and 19, an indicator light are arranged.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the intelligent door and window opening and closing detection alarm device of the embodiment comprises a shell and a detection alarm circuit arranged in the shell, as shown in fig. 1 and 2. The shell comprises a shell 1 which is round, a face cover 2 which is arranged on the top of the shell and a rear cover 3 which is arranged on the bottom of the shell, wherein the face cover and the rear cover are both round, and an indicator lamp 19 is embedded on the face cover. Two mounting posts 4 with internal threads are provided at opposite positions on the inner side of the housing. The front end installation circuit board 5 of erection column, the welding has detection alarm circuit on the circuit board, and it has the erection hole to open on the circuit board, and the circuit board is fixed at the front end of erection column through the screw that passes the erection hole and erection column threaded connection, and the edge of circuit board has the breach 6 of three circuit board circumference equipartition along the line, and the protrusion of face lid back has three spacing trip 7, and face lid and shell threaded connection, spacing trip pass the breach. A battery cover 8 with a rechargeable battery 18 is fixed at the rear end of the mounting post. The battery cover is provided with a screw through hole, and the battery cover is fixed at the rear end of the mounting column through the screw penetrating through the screw through hole and the mounting column in a threaded connection mode. The back is covered and is had three joint 9 along the circumferential equipartition of back lid, and the battery is covered and is had three joint via hole that corresponds with the joint, and near three joint via hole respectively there is a joint seat 10, and joint 9 passes joint via hole and joint seat 10 joint.

As shown in fig. 3, the detection alarm circuit includes a central processing unit 11, a door/window opening/closing detection unit 12, a work indicator light unit 13, a key unit 14, an electric quantity detection unit 15, a wireless communication unit 16, and a power supply unit 17 for supplying a working voltage to the whole detection alarm circuit, the door/window opening/closing detection unit, the work indicator light unit, the key unit and the wireless communication unit are respectively connected with the central processing unit, the power supply unit is powered by a rechargeable battery, an input end of the electric quantity detection unit is connected with the rechargeable battery, and an output end of the electric quantity detection unit is connected with the central processing unit.

As shown in fig. 4 and 5, the central processing unit 11 includes a single chip microcomputer U2, and the single chip microcomputer U2 adopts an STM8L052C6 single chip microcomputer; the door opening/closing detection unit 12 employs a six-axis sensor U6 including a 3-axis magnetic sensor and a 3-axis acceleration sensor, and the six-axis sensor U6 employs an LSM303DLH six-axis sensor. The 2 feet of the single chip microcomputer U2 are connected with a voltage VDD through a resistor R8 and are grounded through a capacitor C8, the 10 feet, the 11 feet, the 12 feet and the 39 feet of the single chip microcomputer U2 are all connected with the voltage VDD, and a parallel circuit of a capacitor C12, a capacitor C13, a capacitor C14 and a capacitor C15 is connected between the 39 feet of the single chip microcomputer U2 and a ground end. The pin 13 of the singlechip U2 is connected with the voltage VDD and is grounded through a capacitor C10, and the

pins

9 and 40 of the singlechip U2 are grounded. Pins 1, 2, 3, 17 and 28 of a six-axis sensor U6 are grounded, pins 6 and 7 of a six-axis sensor U6 are both connected with a voltage VDD, pins 21, 22, 23 and 5 of the six-axis sensor U6 are both connected with a voltage VDD 1.8V, a capacitor C8 is connected between pins 16 and 12 of the six-axis sensor U6, pin 15 of the six-axis sensor U6 is grounded through a capacitor C7, pin 4 of the six-axis sensor U6 is connected with pin 16 of a single chip microcomputer U2 and also grounded through a resistor R33, and pin 26, pin 27 and pin 18 of the six-axis sensor U6 are respectively connected with pin 22, pin 21 and pin 20 of the single chip microcomputer U2; pins 25 and 19 of a six-axis sensor U6 are connected, the pin 19 of the six-axis sensor U6 is connected with a voltage VDD 1.8V through a resistor R12 and is connected with a source electrode of a MOC tube Q12, a grid electrode of the MOC tube Q12 is connected with the voltage VDD 1.8V, and a drain electrode of the MOC tube Q12 is connected with the voltage VDD through a resistor R11; the pin 24 and the pin 20 of the six-axis sensor U6 are connected, the pin 20 of the six-axis sensor U6 is connected with a voltage VDD 1.8V through a resistor R10 and is connected with the source electrode of a MOC tube Q11, the grid electrode of the MOC tube Q11 is connected with the voltage VDD 1.8V, and the drain electrode of the MOC tube Q11 is connected with the voltage VDD through a resistor R14; and the drain electrode of the MOC pipe Q11 and the drain electrode of the MOC pipe Q12 are respectively connected with a pin 38 and a pin 37 of the singlechip U2.

The work indicator lamp unit 13 is used for displaying the work state of the mobile phone remotely issuing the calibration command and the use mode, the work indicator lamp unit comprises a resistor R9 and a light emitting diode LED2, a pin 26 of the single chip microcomputer U2 is connected with the anode of the light emitting diode LED2 through the resistor R9, and the cathode of the light emitting diode LED2 is grounded. The light emitting diode LED2 is an indicator light 19 embedded in the face cover. The key unit 14 is used for informing the mobile phone to issue a calibration command and a use mode remotely, and comprises a key SW2, a capacitor C11 is connected in parallel to the key SW2, one end of the key SW2 is grounded, and the other end of the key SW2 is connected with a voltage VDD through a resistor R16 and is connected with an 8-pin of the singlechip U2. The wireless communication unit 16 adopts the NB module, optionally uses BC26 module, and singlechip U2's 24 feet, 25 feet, 41 feet, 42 feet and 35 feet link to each other with BC26 module respectively, and the BC26 module is connected with the SIM chip card, and BC26 module and singlechip U2 pass through level conversion circuit connection, transmit data for user's cell-phone or cloud server through NB-IOT communication mode.

As shown in fig. 6, the power supply unit 17 includes a main power conversion circuit, a matching power conversion circuit and a charging circuit, the interface J1 is connected to a rechargeable battery, the pin 1 of the interface J1 is grounded, the pin 2 of the interface J1 is connected to the pin 2 of the switch SW1, the pin 1 of the switch SW1 is grounded via the capacitor C1 and is connected to the drain of the MOS transistor Q2, the source of the MOS transistor Q2 outputs a voltage VCC, and the gate of the MOS transistor Q2 is grounded via the resistor R4. The charging circuit comprises a charging management chip U7, the charging management chip U7 adopts a tlc4054 charging chip, 4 pins of the charging management chip U7 are connected, one path is connected with a voltage VCC _5V, the other path is grounded through a capacitor C27, the other path is connected with the anode of a light-emitting diode LED1 through a resistor R17, the cathode of the light-emitting diode LED1 is connected with a pin 1 of the charging management chip U7, a pin 3 of the charging management chip U7 is connected with a pin 3 of a switch SW1 and is grounded through a capacitor C28, and a pin 2 and a pin 5 of the charging management chip U7 are both grounded. The pin 1 and the pin 6 of the charging interface J2 are grounded, the pin 2 and the pin 5 of the charging interface J2 are both voltage VCC _5V ends, and the pin 3 and the pin 4 of the charging interface J2 are respectively connected with the pin 1 and the pin 2 of the singlechip U2. When the pin 2 and the pin 1 of the switch SW1 are switched on, the rechargeable battery supplies power; when pins 2 and 3 of the switch SW1 are on, the rechargeable battery is charged. The main power supply conversion circuit comprises a three-terminal voltage stabilization block U1, the three-terminal voltage stabilization block U1 adopts an HT7830 chip, a pin 2 of the three-terminal voltage stabilization block U1 is connected with a voltage VCC and is grounded through a capacitor C4, a pin 1 of the three-terminal voltage stabilization block U1 is grounded, a parallel circuit of a capacitor C2 and a capacitor C3 is connected between a pin 3 of the three-terminal voltage stabilization block U1 and a ground terminal, and the pin 3 of the three-terminal voltage stabilization block U1 outputs a voltage VDD. The matching power supply conversion circuit comprises a power supply chip U3, the power supply chip U3 adopts a BL8568 chip, pins 3 and 1 of the power supply chip U3 are connected, pin 1 of the power supply chip U3 is connected with a voltage VCC and is grounded through a capacitor C9, pin 2 of the power supply chip U3 is grounded, a capacitor C5 is connected between pin 5 of the power supply chip U3 and a ground terminal, and pin 5 of the power supply chip U3 outputs a voltage VDD 1.8V. The electric quantity detection unit 15 comprises a triode Q1 and a triode Q3, an emitter of a triode Q1 is connected with a voltage VCC and is connected with a base of a triode Q1 through a resistor R1, a base of a triode Q1 is connected with a collector of a triode Q3 through a resistor R3, a collector of the triode Q1 is grounded through a series circuit of a resistor R5 and a resistor R7, a connecting end of the resistor R5 and the resistor R7 is connected with a pin 6 of a singlechip U2, an emitter of the triode Q3 is grounded, and a base of a triode Q3 is connected with a pin 7 of the singlechip U2.

The back cover of the utility model is stuck with double faced adhesive tape which can be stuck on any position of the door leaf (window sash), and the installation is very convenient. The light emitting diode LED2 is embedded on the face cover to remind the user and the debugging personnel of the working state of the device. After the installation, the utility model discloses a NB module and user's cell-phone, high in the clouds server are networked, and behind the networking, press button SW2 probably 5 seconds, emitting diode LED2 begins to twinkle, and calibration command and user mode are issued to cell-phone remote control, set up door and window initial position through the calibration command, and user mode includes: a rotating door and window mode, a translating door and window mode, a skylight mode, and the like. Taking a revolving door as an example, when the door is opened and rotates to an angle during use, the 3-axis magnetic sensor in the six-axis sensor senses the change of the earth magnetic field, X, Y of the 3-axis magnetic sensor and Z-axis output data have different difference values from the initial values, and when the difference values are larger than the set door opening threshold value, the door is judged to be in a door opening state; when the X, Y and Z-axis output data of the 3-axis magnetic sensor approach or are equal to each other (smaller than the set door opening threshold), it is determined that the door is in the closed state. And meanwhile, the 3-axis acceleration sensor in the six-axis sensor is used for acquiring the acceleration change in the door opening and closing process in real time, and if the acceleration exceeds a set value, the door is judged to be closed again or opened again. The judgment results (door opening state, door opening angle and door opening force) are all sent to a mobile phone or a cloud server of a user through the NB module, and door opening and closing alarming is achieved.

When the X, Y and Z-axis output data of the 3-axis magnetic sensor are obviously larger than a set value or the data are in a messy and disordered phenomenon in a short time, the device is judged to be detached or dropped, the judgment result is sent to a mobile phone or a cloud server of a user through the NB module, the user can conveniently and timely perform corresponding processing, and dropping and pick-proof alarming are achieved.

When the device is installed on a skylight, the device is set to a skylight mode. Set up an acceleration threshold value as the interrupt value, the acceleration value is gathered in real time to 3 acceleration sensor among the six sensors, and the acceleration interruption number of times is greater than the number of times of settlement (if 5) in the short time (if 15 seconds), then judges for raining, and the judged result is sent for user's cell-phone or high in the clouds server through the NB module, and the user of being convenient for in time closes the skylight or in time makes other processings, realizes the warning of raining.

The utility model discloses compare with traditional door magnetic alarm, mounting structure is different, and core detection circuitry is different completely. The utility model discloses only need a single part just can detect door and window switching state, experience earth magnetic field through 3 axle magnetic sensor and change and obtain opening the door (windowing) angle, experience door (windowing) speed through 3 axle acceleration sensor, thereby judge the switch door state, and will open the door (windowing) state, open the door (windowing) angle and open the door (windowing) dynamics report to user's cell-phone or high in the clouds server, realize opening the door and window and report to the police, close the door and window and report to the police and reopen the door and window and report to the police, reclose the door and window and report to the police. Possess simultaneously and drop and pick-proof alarming function, can also carry out the rainy day to the skylight and report to the police, remind the user in time to close the skylight. Because the utility model discloses only a single part, unlike traditional door magnetic alarm needs to install in pairs, consequently the utility model discloses can install the optional position on door leaf (casement), mounted position and installation distance are unrestricted, detect the precision and do not receive the influence of mounted position, consequently are difficult for causing the erroneous judgement, and it is all very convenient to install and use, and the detection accuracy is high.

Claims

1. The utility model provides an intelligence door and window switching detection alarm device, its characterized in that includes a casing and locates the detection alarm circuit in the casing, detects alarm circuit and includes central processing unit, door and window switching detecting element and wireless communication unit and for whole detection alarm circuit provides operating voltage's electrical unit, door and window switching detecting element, wireless communication unit link to each other with central processing unit respectively.

2. The intelligent door and window opening and closing detection alarm device as claimed in claim 1, wherein the door and window opening and closing detection unit adopts a six-axis sensor U6 comprising a 3-axis magnetic sensor and a 3-axis acceleration sensor.

3. The intelligent door and window opening and closing detection alarm device as claimed in claim 2, wherein the six-axis sensor U6 adopts an LSM303DLH six-axis sensor, the 1, 2, 3, 17 and 28 pins of the six-axis sensor U6 are grounded, the 6 and 7 pins of the six-axis sensor U6 are both connected to a voltage VDD, the 21, 22, 23 and 5 pins of the six-axis sensor U6 are all connected to a voltage VDD of 1.8V, a capacitor C8 is connected between the 16 and 12 pins of the six-axis sensor U6, the 15 pins of the six-axis sensor U6 are grounded through a capacitor C7, the 4 pins of the six-axis sensor U6 are connected to the central processing unit and are grounded through a resistor R33, and the 26, 27 and 18 pins of the six-axis sensor U6 are connected to the central processing unit respectively; pins 25 and 19 of a six-axis sensor U6 are connected, the pin 19 of the six-axis sensor U6 is connected with a voltage VDD 1.8V through a resistor R12 and is connected with a source electrode of a MOC tube Q12, a grid electrode of the MOC tube Q12 is connected with the voltage VDD 1.8V, and a drain electrode of the MOC tube Q12 is connected with the voltage VDD through a resistor R11; the pin 24 and the pin 20 of the six-axis sensor U6 are connected, the pin 20 of the six-axis sensor U6 is connected with a voltage VDD 1.8V through a resistor R10 and is connected with the source electrode of a MOC tube Q11, the grid electrode of the MOC tube Q11 is connected with the voltage VDD 1.8V, and the drain electrode of the MOC tube Q11 is connected with the voltage VDD through a resistor R14; the drain electrode of the MOC tube Q11 and the drain electrode of the MOC tube Q12 are respectively connected with the central processing unit.

4. The intelligent door and window opening and closing detection alarm device as claimed in claim 3, wherein the central processing unit comprises a single chip microcomputer U2, and the single chip microcomputer U2 adopts an STM8L052C6 single chip microcomputer; the pins 16, 20, 21 and 22 of the single chip microcomputer U2 are respectively connected with the pins 4, 18, 27 and 26 of the six-axis sensor U6, and the pins 38 and 37 of the single chip microcomputer U2 are respectively connected with the drain electrode of the MOC tube Q11 and the drain electrode of the MOC tube Q12.

5. The intelligent door and window opening and closing detection alarm device as claimed in claim 1, wherein the device comprises a work indicator light unit for displaying the work state of the mobile phone remotely issued calibration command and the use mode, and the work indicator light unit is connected with the central processing unit.

6. The intelligent door and window opening and closing detection alarm device as claimed in claim 1 or 5, characterized by comprising a key unit for informing a mobile phone to remotely issue a calibration command and a use mode, wherein the key unit is connected with the central processing unit.

7. The intelligent door and window opening and closing detection alarm device according to claim 1, 2 or 5, wherein the power supply unit is powered by a battery or a rechargeable battery, the detection alarm circuit comprises an electric quantity detection unit, an input end of the electric quantity detection unit is connected with the battery or the rechargeable battery, and an output end of the electric quantity detection unit is connected with the central processing unit.

8. The intelligent door and window opening and closing detection alarm device as claimed in claim 1, wherein the housing comprises a circular housing, a face cover arranged on the top of the housing, and a rear cover arranged at the bottom of the housing, wherein a circuit board welded with the detection alarm circuit is arranged in the housing near the face cover, and a battery cover provided with a battery is arranged in the housing near the rear cover.

9. The intelligent door and window opening and closing detection alarm device according to claim 8, wherein two mounting posts with internal threads are arranged at opposite positions of the inner side surface of the shell, mounting through holes are formed in the circuit board, the circuit board is fixed at the front ends of the mounting posts through screws penetrating through the mounting through holes and the mounting posts in a threaded connection mode, three notches are uniformly distributed along the circumference of the circuit board along the edge of the circuit board, three limiting clamping hooks are arranged on the back surface of the surface cover and are connected with the shell in a threaded connection mode, and the limiting clamping hooks penetrate through the notches.

10. The intelligent door and window opening and closing detection alarm device according to claim 8 or 9, wherein the battery cover is provided with screw through holes, the battery cover is fixed at the rear end of the mounting column through screws penetrating through the screw through holes and the mounting column in a threaded connection manner, the rear cover is provided with three clamping joints which are uniformly distributed along the circumference of the rear cover, the battery cover is provided with three clamping joint through holes corresponding to the clamping joints, clamping seats are respectively arranged nearby the three clamping joint through holes, and the clamping joints penetrate through the clamping joint through holes and are clamped with the clamping seats.