CN203241760U

CN203241760U - Water dispenser intelligent control device

Info

Publication number: CN203241760U
Application number: CN2013202818434U
Authority: CN
Inventors: 周曼; 邹志勇; 倪福全; 胡建; 杨萍
Original assignee: Sichuan Agricultural University
Current assignee: Sichuan Agricultural University
Priority date: 2013-05-17
Filing date: 2013-05-17
Publication date: 2013-10-16
Anticipated expiration: 2023-05-17

Abstract

The utility model discloses a water dispenser intelligent control device, which is designed by adopting a high-cost-performance single chip microcomputer as the core and combining the sensor technology with the GPRS technology. The water dispenser intelligent control device is composed of a single chip microcomputer controller (1), a water level detection sensor circuit (2), a pressure detection sensor circuit (3), a GPRS module (4), and an electromagnetic valve switch (5). The water dispenser intelligent control device realizes automatic detection of water shortage information, sends water shortage information messages to the mobile phones of water carrying workers through the GPRS module, and realizes a remote intelligent water ordering function; when a cup is placed on a water receiving platform, a water receiving signal is detected through a pressure strain gauge sensor, thereby realizing the automatic water discharging function; and the water dispenser intelligent control device has the remarkable advantages of high degree of intelligence, strong practicability, and the like.

Description

A kind of water dispenser intelligent control device

Technical field

The utility model relates to single-chip microcomputer control technology, sensor information acquisition technique, GPRS Communication Control Technology, especially a kind of water dispenser intelligent control device.

Background technology

Along with the development of control technology, sensor detecting, the communication technology and people to improving constantly that living standard requires, water dispenser is just towards intelligent development.

GPRS network is a kind of network of data packet transfer business, its unique Heterosis this several aspect, cover wide, always online, charge by flow, the transmission speed advantages of higher.

It is that core combined sensor information acquiring technology, GPRS Communication Control Technology etc. design that this device adopts the high performance-price ratio single-chip microcomputer, for water dispenser provides a kind of intelligent control device.

Summary of the invention

The purpose of this utility model is to provide a kind of water dispenser intelligent control device, obtains lack of water information by the level switch sensor, and sends lack of water information note to the mobile phone that send the water conservancy project people by the GPRS module, realizes that long-distance intelligent is water function; When water tumbler is put on the water receiving stand, detect the water receiving signal by pressure-strain sheet sensor, realize the automatic draining function.

The technical scheme that its technical matters that solves the utility model adopts is: the utility model is take high performance-price ratio STM8S105K6T6 single-chip microcomputer as core combined sensor technology, the GPRS module, electromagnetic valve switch designs, by singlechip controller, the level detection sensor circuit, the press detection sensor circuit, the GPRS module, electromagnetic valve switch forms jointly, it is characterized in that: consist of singlechip controller (1) by the STM8S105K6T6 single-chip microcomputer, consist of level detection sensor circuit (2) by SUS3041B type floating-ball level switch sensor, by BHF350-3AA constantan metal foil resistor pressure-strain sheet sensor, metalfilmresistor, the AD623 instrument amplifier consists of press detection sensor circuit (3), by the M23 of Benq module composition GPRS module (4), consist of electromagnetic valve switch (5) by the AM-8902 solenoid valve; Wiring port B, the C of SUS3041B receives respectively PA3, the PA4 port of STM8S105K6T6, the PA3 port connects pull down resistor simultaneously, SUS3041B inserts the inner bag of water dispenser, liquid level will be lower than the physical height of ball float when water is finished, cause B, the C port of SUS3041B to turn on PA4 port generation negative edge trigger pip, realize the lack of water acquisition of information; BHF350-3AA and metalfilmresistor are connected into bridge diagram, and its output port connects the input port of AD623, and the output port of AD623 connects the PB2 port of STM8S105K6T6 and realizes the water receiving input; The PB1 port of STM8S105K6T6 is received connected with water faucet solenoid valve AM-8902 control signal input port, BHF350-3AA inserts on the water receiving stand under the connected with water faucet, PB1 port output high level makes that AM-8902 is logical to discharge water when detecting pressure, PB1 port output low level does not make the disconnected water that closes of AM-8902 when detecting pressure, realizes the automatic draining function; The PD5 serial ports of STM8S105K6T6 sends the RXD port that FPDP TXD meets M23, and PD6 serial ports receive data port RXD connects the TXD port of M23, and control GPRS module sends lack of water information note to the mobile phone that send the water conservancy project people, realizes that long-distance intelligent is water function.

The beneficial effects of the utility model are: adopting the high performance-price ratio single-chip microcomputer is that core combined sensor technology, GPRS technology design, realize that lack of water information detects automatically, and send lack of water information note to the mobile phone that send the water conservancy project people by the GPRS module, realize that long-distance intelligent is water function; When water tumbler is put on the water receiving stand, detect the water receiving signal by pressure-strain sheet sensor, realize the automatic draining function; Device has the remarkable advantages such as intelligent degree is high, practical.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing.

Shown in Figure 1 is theory structure block diagram of the present utility model, among the figure: 1. singlechip controller, 2. level detection sensor circuit, 3. press detection sensor circuit, 4.GPRS module, 5. electromagnetic valve switch.

Embodiment

Jointly formed by singlechip controller (1), level detection sensor circuit (2), press detection sensor circuit (3), GPRS module (5), electromagnetic valve switch (6) referring to Fig. 1 the utility model.

The PA3 of singlechip controller STM8S105K6T6, PA4 port meet Wiring port B, the C of SUS3041B, and the PA3 port connects pull down resistor simultaneously; The PB2 port connects the output port of AD623; The PB1 port connects AM-8902 solenoid control signal input port; The PD5 serial ports sends the RXD port that FPDP TXD meets M23, and PD6 serial ports receive data port RXD connects the TXD port of M23 and realizes that communication interface links to each other.

Consist of level detection sensor circuit (2) by SUS3041B type floating-ball level switch sensor, two terminals B-C connected when sensor SUS3041B, 1B represented that liquid level is lower than ball float, sensor was inserted the inner bag of water dispenser and drew by terminals; Liquid level will be lower than the physical height of ball float when water is finished, and cause the B of SUS3041B, the PA4 port that the C port turns on STM8S105K6T6 to produce the negative edge trigger pip, realize the lack of water acquisition of information.

Consist of press detection sensor circuit (3) by BHF350-3AA constantan metal foil resistor pressure-strain sheet sensor, metalfilmresistor, AD623 instrument amplifier, BHF350-3AA constantan metal foil resistor pressure-strain sheet sensor and three metalfilmresistors are connected into four brachium pontis of bridge diagram, BHF350-3AA inserts on the water receiving stand under the connected with water faucet, the BHF350-3AA electric bridge out of trim that is under pressure when water tumbler is put on the water receiving stand, the output induced voltage, this voltage is relatively faint to be delivered to instrument amplifier AD623 input end with it and amplifies; Induced voltage after the amplification is delivered to the PB2 port of STM8S105K6T6 from the AD623 output terminal, the PB2 port is the input port of the inner ADC of STM8S105K6T6, realizes that pressure signal detects.

By the M23 of Benq module composition GPRS module (4), STM8S105K6T6 sends the AT instruction by TXD, RXD port to the M23 module, writes the AT+CMGF=1 instruction short message text form is set; AT+CMGS=" send water conservancy project people telephone number " and sends note; The design's short message content is " QS, X-Y-ZZZ ", and wherein QS represents that lack of water, X represent that building number, Y represent that level number, ZZZ represent room number, realize that long-distance intelligent is water function.

Consist of electromagnetic valve switch (5) by the AM-8902 solenoid valve, STM8S105K6T6 makes by the PB2 Port detecting that AM-8902 is logical to discharge water during to pressure by PB1 port output high level; Do not make the disconnected water that closes of AM-8902 by PB1 port output low level when detecting pressure, realize the automatic draining function.

Claims

1. a water dispenser intelligent control device is by singlechip controller, the level detection sensor circuit, the press detection sensor circuit, the GPRS module, electromagnetic valve switch forms jointly, it is characterized in that: a). consist of singlechip controller (1) by the STM8S105K6T6 single-chip microcomputer, consist of level detection sensor circuit (2) by SUS3041B type floating-ball level switch sensor, by BHF350-3AA constantan metal foil resistor pressure-strain sheet sensor, metalfilmresistor, the AD623 instrument amplifier consists of press detection sensor circuit (3), by the M23 of Benq module composition GPRS module (4), consist of electromagnetic valve switch (5) by the AM-8902 solenoid valve; B) Wiring port B, the C of .SUS3041B receive respectively PA3, the PA4 port of STM8S105K6T6, the PA3 port connects pull down resistor simultaneously, SUS3041B inserts the inner bag of water dispenser, liquid level will be lower than the physical height of ball float when water is finished, cause B, the C port of SUS3041B to turn on PA4 port generation negative edge trigger pip, realize the lack of water acquisition of information; C) .BHF350-3AA and metalfilmresistor are connected into bridge diagram, and its output port connects the input port of AD623, and the output port of AD623 connects the PB2 port of STM8S105K6T6 and realizes the water receiving input; D) the PB1 port of STM8S105K6T6 is received connected with water faucet solenoid valve AM-8902 control signal input port, BHF350-3AA inserts on the water receiving stand under the connected with water faucet, PB1 port output high level makes that AM-8902 is logical to discharge water when detecting pressure, PB1 port output low level does not make the disconnected water that closes of AM-8902 when detecting pressure, realizes the automatic draining function; E) the PD5 serial ports of STM8S105K6T6 sends the RXD port that FPDP TXD meets M23, and PD6 serial ports receive data port RXD connects the TXD port of M23, and control GPRS module sends lack of water information note to the mobile phone that send the water conservancy project people, realizes that long-distance intelligent is water function.