CN218825241U

CN218825241U - Modular intelligent home control system

Info

Publication number: CN218825241U
Application number: CN202223412274.0U
Authority: CN
Inventors: 高超; 罗赟
Original assignee: Junsheng Technology Yangzhou Co ltd
Current assignee: Junsheng Technology Yangzhou Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-07
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a modular intelligent house control system, including main control module, magnetic control switch module, microphone module, temperature sensor module, LED pilot lamp control module, antenna filter circuit and IO interface socket. The utility model discloses a modular design of unified interface, thereby the module combination of different functions realizes different functions to satisfy different customers' demand, the cost is reduced maintains simply, development cycle is short, and scalability is strong.

Description

Modular intelligent home control system

Technical Field

The utility model relates to a thing networking intelligence house field, in particular to modular intelligent house control system.

Background

With continuous progress and development of the internet of things technology and continuous reduction of hardware cost, products of the internet of things gradually enter families of consumers, and the families are applied to a plurality of products of smart homes as the most important life scenes, such as smart air conditioners, smart washing machines, smart door locks, smart curtains, smart lighting, smart cameras, some security alarm devices and the like.

The intelligent home is based on the internet of things technology, is an ecological circle of a family or an office place formed by a hardware system, a software system, cloud computing and a cloud storage platform, and is used for improving the safety, the energy conservation, the convenience, the comfort and the like of life. With the technology upgrading, the demand of consumers for high-tech products is increasing, the intelligent products are also increasing, and the intelligent life has penetrated into the aspects of household life.

The intelligent home product mainly comprises a main control MCU (microprogrammed control unit) matched with peripheral sensors, a 345MHz 433MHz wireless communication module, a Zigbee, Z-Wave and WIFI communication module, a Bluetooth communication module, a storage chip module, a radio frequency chip module, a 4G and 5G communication baseband chip module, a GPS global positioning chip module and the like. The sensors can be used for detecting various sensors such as temperature, humidity, pressure, PM2.5 particles, pyroelectric infrared sensors and the like, different sensors can be selected in different application scenes in a targeted manner, the existing Internet of things intelligent home product is high in price and poor in compatibility, and a user has poor flexibility in selecting the intelligent home product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the prior art defect, providing a modular intelligent house control system, adopting the design of modular interface, satisfying the different demands of customer and use the scene to reduce consumer's use cost.

The purpose of the utility model is realized like this: a modularized intelligent home control system comprises a main control module, a magnetic control switch module, a microphone module, a temperature sensor module, an LED indicator lamp control module, an antenna filter circuit and an IO interface socket;

the magnetic control switch module is electrically connected with the main control module and is used for sending alarm information to a mobile phone end;

the microphone module is electrically connected with the main control module and used for detecting sound with specific frequency and sending a received sound signal to the main control module;

the temperature sensor module is electrically connected with the main control module and used for detecting the ambient temperature in real time, sending temperature information to the mobile phone end through a wireless signal and checking the current temperature in real time;

the LED indicator lamp control module is electrically connected with the main control module and is used for enabling a user to know different working states of the system according to different flashing states of the LED;

the antenna filter circuit is connected with the RF antenna and is used for matching connection with a mobile phone end to realize related function control through application program software installed on the mobile phone;

the IO interface socket is electrically connected with the main control module and is used for connecting the multifunctional sensor module and the various wireless communication modules through the I/O interface so as to enable the system to realize different functions;

the main control module is used for being electrically connected with the peripheral function circuit and is used for realizing specific functions.

The utility model adopts the above technical scheme, compare with prior art, beneficial effect is: the I/O interface socket is connected with the peripheral equipment in a unified interface mode, so that different requirements of different customers can be met, and the corresponding functional modules are connected through the interfaces more conveniently, so that different functions are realized. The modularized design has good maintainability, if a certain functional module breaks down, a new module can be directly used for replacement, the maintenance is convenient, and the cost of a user is reduced. The modularization has the advantage of nimble alternative, designs different application module according to user's demand, and the module of different specifications links together through unified interface, can satisfy the demand of different trades, and the modularized design still is favorable to the developer equally, shortens development cycle and reduces development cost.

As the utility model discloses a further inject, still include power supply circuit module, power supply circuit module is used for providing operating voltage for main control module.

In order to reduce power consumption and improve system reliability, the main control module adopts a UE878 chip.

In order to meet different customer demands and use scenes, the multifunctional sensor modules specifically comprise a pyroelectric infrared sensor alarm module, a fire alarm and fire extinguishing system module, a camera control module and an air purification system control module.

As a further limitation of the present invention, the plurality of wireless communication modules specifically include a 345MHz wireless signal control module and a 433MHz wireless signal control module.

Drawings

Fig. 1 is a system block diagram of the present invention.

Fig. 2 the utility model discloses main control module's circuit schematic diagram.

Fig. 3 is a schematic circuit diagram of the power supply circuit module of the present invention.

Fig. 4 is a schematic circuit diagram of the magnetic control switch module of the present invention.

Fig. 5 is a schematic circuit diagram of the temperature sensor module of the present invention.

Fig. 6 is a schematic circuit diagram of the microphone module of the present invention.

Fig. 7 the utility model discloses LED pilot lamp control module's circuit schematic.

Fig. 8 is a schematic circuit diagram of the pyroelectric infrared sensor alarm module of the present invention.

Fig. 9 is a schematic circuit diagram of a 345MHz wireless signal control module according to the present invention.

Fig. 10 is a schematic circuit diagram of the 433MHz radio signal control module of the present invention.

Fig. 11 is a schematic circuit diagram of the fire alarm and fire extinguishing system module of the present invention.

Fig. 12 is a schematic circuit diagram of the control module of the air purification system of the present invention.

Fig. 13 the utility model discloses camera control module's circuit schematic.

Detailed Description

A modular smart home control system as shown in fig. 1, includes a main control module, a magnetic control switch module, a microphone module, a temperature sensor module, an LED indicator lamp control module, an antenna filter circuit, and an IO interface socket;

the magnetic control switch module is electrically connected with the main control module and is used for sending alarm information to the mobile phone end;

the temperature sensor module is electrically connected with the main control module and used for detecting the environmental temperature in real time, sending temperature information to the mobile phone end through a wireless signal and checking the current temperature in real time;

the antenna filter circuit is connected with the RF antenna and is used for matching connection with the mobile phone end to realize related function control through application program software installed on the mobile phone;

the IO interface socket is electrically connected with the main control module and is used for connecting the multifunctional sensor module and the various wireless communication modules through the I/O interface so as to enable the system to realize different functions; the multifunctional sensor module comprises a pyroelectric infrared sensor alarm module, a fire alarm and fire extinguishing system module, a camera control module and an air purification system control module; the multiple wireless communication modules specifically comprise a 345MHz wireless signal control module and a 433MHz wireless signal control module;

the main control module is used for being electrically connected with the peripheral function circuit and realizing a specific function, and adopts a UE878 chip;

and the power supply circuit module is used for providing working voltage for the main control module.

As shown in fig. 2, the main control module is a main chip control circuit formed by a 45-pin ELP-packaged UE878 main chip, wherein the 13 th pin and the 14 th pin are respectively connected in series with an inductor L1, the inductor L2 is connected to the 1 st pin and the 3 rd pin of the crystal oscillator Y1 (32 MHz) to form a sequential logic control unit of the main chip, and the C3 and the C4 are matching capacitors of the crystal oscillator Y1, so that the crystal oscillator can output stable and accurate frequency. The 3,4 pin is connected to the timing control unit formed by the 1 st and 2 nd pins of the crystal oscillator Y2 (32.768 KHz), and the matching capacitors of C8 and C36, so that the crystal oscillator Y2 outputs stable and accurate frequency. The 1 st pin VDDC is connected to the output terminal VDD of the power supply circuit shown in fig. 2. C7 is a power supply filter capacitor, and the VDD of the 8 th pin and the resistor R2 are connected to the VDD in the figure 2 in series; the capacitor C5, the capacitor C14 and the capacitor C16 play roles in power supply coupling and filtering. VDDDIG series capacitor C6 at pin 40 is connected to ground. The 7 th pin is a RESET pin. RF1 and RF2 are the RF wireless signal transmission interface of the chip, and the two antennas form a differential feed polarized board-carried antenna, which can improve the gain of the antenna, thereby improving the sending and receiving sensitivity of the antenna. The inductor L5, the inductor L7, the capacitor C10, the capacitor C12, the capacitor C1, the capacitor C2 and the capacitor C26 which are connected in series and in parallel form an antenna filter network, and can filter useless noise signals. GPIO 10-14 of pins 31-36 are connected to the socket of CN 1. The GPIO 15-GPIO 22 of the 36 th pin to the 39 th pin and the 5,6 pin are respectively connected to the power supply circuit module, the magnetic control switch module, the temperature sensor module and the LED indicating lamp control module shown in the figures 2, 3,4 and 6, so that the acquisition and monitoring of the ambient temperature and the low voltage detection of the battery can be realized, and the LED indicating lamp can flash to prompt a user to replace the battery when the electric quantity of the battery is lower than a certain value. The 17 th pin to the 19 th pin are connected to the microphone module shown in fig. 5, and the microphone module can be used for monitoring and alarming by sound, if a lawless person prizes a door or breaks glass, the sound can be captured, and therefore the alarm information is sent to the mobile phone end of the user.

As shown in fig. 3, the power supply circuit module uses two parallel CR123A lithium batteries for power supply, and U6 is an NPN field-effect transistor, which prevents reverse installation of the battery, and when the battery is reversely installed, no current passes through the NPN field-effect transistor, and the back-end circuit does not supply power to the battery. U4 is a voltage detection IC, VOUT can output high level when the battery voltage is lower than 2.4V, and is connected to the 38 th pin of the main chip shown in fig. 2 through a LOW _ BATT pin, and according to the function of a program, the main chip receives the high level signal and then sends PWM square wave signals to the LED1 and the two control pins of the LED2, so that the two blue LEDs flicker, and a user can know that the battery voltage is LOW and the battery is replaced. U5 is a voltage regulator chip to output a stable VDD 3.3V voltage. The capacitor C13, the capacitor C17, the capacitor C18 and the capacitor C45 play a role of filtering.

As shown in fig. 4, in the magnetic control SWITCH module, SW1 is a magnetic control SWITCH made of dry REED, when the magnet M1 approaches SW1, the REED inside is closed, and the pin REED _ SWITCH changes from high level to low level. Therefore, the change is transmitted to the main control module shown in fig. 2, the alarm information can be sent to the mobile phone end of the user through the preset function, the module circuit can be installed on the door and window of the user, the alarm signal can be sent after the door and window of the user is illegally opened, and therefore the user can quickly know the family condition.

As shown in fig. 5, the temperature sensor module, U3 is a temperature sensor IC, is attached to the main control board, and is connected to the corresponding pin of the main control chip shown in fig. 2 through two lines, i.e., TEMP _ EN and TEMP _ DATA, so as to detect the ambient temperature in real time, and send the temperature information to the mobile phone of the user through a wireless signal, so as to check the current temperature in real time.

As shown in fig. 6, the microphone module circuit, which is a module circuit composed of a microphone MIC1 and peripheral resistive capacitors, is connected to corresponding pins of the main chip shown in fig. 2 via MIC _ DATA and MIC _ CLK lines; the sound of specific frequency such as glass fragmentation and knocking can be detected through presetting, so that abnormal intrusion can be detected, and an alarm signal can be sent to a mobile phone of a user.

As shown in fig. 7, the LED indicator light control module is composed of two LED lights with different colors, and the circuit mainly functions to let the user know the working state of the product through different states of the LEDs, such as indicating a normal working state when the product is normally on, and indicating a low battery voltage when the product is flickered, so as to remind the user that the battery needs to be replaced.

As shown in fig. 8, a pyroelectric infrared sensor (PIR) alarm module is mainly composed of an infrared signal detection amplifying circuit composed of a U1 PYD1398 pyroelectric infrared sensor and a U7 power amplifier chip, a VDD _ PIR power supply is connected to a power supply filter network composed of a resistor R6, a resistor R7, a capacitor C19, a capacitor C27 and a capacitor C29 and connected to a D pin of the U1 chip, an output terminal S pin is connected to a filter network composed of an inductor L4, an inductor L6, an inductor L8, a capacitor C30, a resistor R9, a capacitor C38 and a capacitor C32 and connected to an input terminal VINA +, VINA-series R21 of the U7 power amplifier, and a capacitor C31 is grounded. VOUTA is the output end of the first-stage amplifying circuit, is connected to the input end VINB-of the second-stage amplifying circuit, and outputs VOUTB after the second-stage amplification to be connected with the 2 nd pin of CN2 through a filter network consisting of a resistor R24, a capacitor C39, a resistor R25 and a capacitor C40. The pyroelectric infrared sensor alarm module circuit formed by the method can be connected with the CN1 shown in the figure 2 through the interface CN2, so that the pyroelectric infrared sensor alarm device can be realized, and when a person intrudes illegally at home, the alarm device can detect the fact that an alarm signal is sent to a mobile phone of a user through a wireless signal.

As shown in fig. 9, the 345MHz wireless signal control module circuit is a phase-locked loop (PLL) VHF/UHF transmitter based on a crystal, U8 MAX7044AKA + T, Y3 is a crystal oscillator connected to two pins XTAL1 and XTAL2 of U8, a VDD _345 power supply is connected to a power filter network formed by a resistor R27, an inductor L10, and a capacitor C47, which is connected to a PAOUT pin of U8, and an antenna filter circuit formed by an inductor L9, a capacitor C49, a capacitor C51, and a capacitor C50 is connected to an ANT1 antenna. The data transmitted by the main chip circuit of fig. 2 can be transmitted to the control terminal via a wireless signal of 345MHz by connecting CN3 with CN1 of fig. 2. And then the signal converted into WIFI or TCP/IP protocol by the home gateway is transmitted to the mobile phone of the user. The circuit of the module mainly processes the self-carried functions of a main board circuit, such as a magnetic control switch, a microphone sound detection circuit and a temperature sensor circuit, and then sends signals to the module circuit to be converted into wireless signals of 345MHz and then sends the wireless signals to a control terminal.

As shown in fig. 10, with the circuit shown in fig. 7, the difference is that the crystal oscillator frequency of Y5 and Y3 is different, and the 13.56MHz crystal oscillator that Y5 used can realize 433 MHz's wireless signal transmission, and to the radio frequency requirement of different regional countries, 345MHz is used to some, then 433MHz is used to some, because the utility model discloses a CN4 is connected with the CN1 shown in fig. 2 can realize selecting to different customers' demand, with magnetic switch, microphone sound detection, temperature sensor's data transmission to this module circuit with signal conversion 433 MHz's wireless signal transmission to control terminal.

As shown in fig. 11, the module circuit is a fire alarm and fire extinguishing system module, and is composed of a relay control circuit composed of a diode D6, a triode Q1 and a resistor R13, wherein CN5 is connected with CN1 shown in fig. 2, and the 4 th pin of CN5 is connected with the relay control pin K1. The output pin FIRE _ ALARM of the relay is connected to the FIRE extinguishing device, and when a user finds that a FIRE disaster occurs at home, the FIRE extinguishing device can be remotely controlled through a mobile phone to activate the FIRE extinguishing device at home, so that the FIRE can be quickly extinguished. The loss of the user is reduced to the maximum extent.

As shown in fig. 12, the module circuit is an air purification control module circuit, and according to the principle shown in fig. 11, a user can remotely open the air purification SYSTEM through a mobile phone, and the EXHAUST _ SYSTEM is connected to the start end of the home air purification SYSTEM, and the module circuit is connected to CN1 shown in fig. 2 through CN 6.

As shown in fig. 13, the module circuit is a camera control module circuit, and as shown in fig. 11 and fig. 12 and according to the principle, the circuit formed by connecting CN7 of the module circuit with CN1 shown in fig. 2 can implement control of camera monitoring, and can control remote controls of a camera, such as screenshot, control of the direction of a camera, video recording, and the like. The real-time images of the family can be transmitted to the mobile phone of the user through wireless signals, so that the family condition can be monitored in real time.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. A modularized intelligent home control system is characterized by comprising a main control module, a magnetic control switch module, a microphone module, a temperature sensor module, an LED indicator light control module, an antenna filter circuit and an IO interface socket;

2. The modular smart home control system of claim 1, further comprising a power supply circuit module, wherein the power supply circuit module is configured to provide a working voltage to the main control module.

3. The modular smart home control system of claim 1, wherein the master control module is a UE878 chip.

4. The modular smart home control system of claim 1, wherein the multi-function sensor module specifically comprises a pyroelectric infrared sensor alarm module, a fire alarm and extinguishing system module, a camera control module and an air purification system control module.

5. The modular smart home control system of claim 1, wherein the plurality of wireless communication modules specifically include a 345MHz wireless signal control module and a 433MHz wireless signal control module.