CN206056658U

CN206056658U - A kind of Domestic water monitoring and leak-proof device

Info

Publication number: CN206056658U
Application number: CN201621083666.9U
Authority: CN
Inventors: 蒋嘉华; 顾涵; 徐健; 刘俊
Original assignee: Changshu Institute of Technology
Current assignee: Changshu Institute of Technology
Priority date: 2016-09-27
Filing date: 2016-09-27
Publication date: 2017-03-29
Anticipated expiration: 2026-09-27

Abstract

The utility model discloses a kind of Domestic water monitoring and leak-proof device, including control module and the connected power module of difference, leak water detdction module, water quality monitoring module, LCD MODULE, alarm module and electromagnetic water valve；The leak water detdction module, water quality monitoring module detect leak information and water quality information respectively, and it is sent to control module, control module control LCD MODULE carries out water quality information and shows, control module carries out leakproof according to control leak information control electromagnetic water valve action, and controls alarm module and carry out water quality and water leakage alarm.Domestic water monitoring provided by the utility model and leak-proof device, without the need for artificial on duty, temperature resolution height, fast response time, certainty of measurement are high.Good stability, easy for installation, long service life, can domestic, occasion strong adaptability.

Description

A kind of Domestic water monitoring and leak-proof device

Technical field

This utility model is related to leak water detdction and water quality inspection technique, and more particularly to a kind of SCM Based environment is adapted to Property it is high, can domestic, the water quality monitoring of good stability and leak-proof device.

Background technology

With the development of modern science and technology, electric pole type water logging detection becomes a kind of water level test mode of prevalence, perhaps Many water sensors are all based on this thinking and develop.This technology is in current numerous sides for needing detecting water level or water logging Face has a wide range of applications, and has played important function.The starting point of this water quality monitoring and leak-proof device system design is also just It is based on this.

Electric pole type water logging detection mode, is that, by electrode probe, two sections add a voltage in electrode, immersion probe is coordinated Controller is used, and can be used to carry out water logging detection to ground or restriction height water level space, when probe detects leak, will Signal transmission carries out signal conversion processes to controller, and controller can access various modules, such as alarm, relay etc. to realize Control.The method is concisely directly perceived, and electrode probe is easy for installation flexibly, can be with, and side dress founds dress, is horizontally mounted, detection error also pole It is little.

Recently always occur causing total in the news of economic loss, and our families to resident family due to the pipe burst under pond It is have the pipe burst or the situation for coming off under pond.This not only causes loss economically, also results in a large amount of of water resource Waste.And resident family is also extremely paid close attention to for the water quality of tap water, this is related to the health of one.Based on this background, we Research design is with the basis such as STM32f1 single-chip microcomputers, leak water detdction module, voltage reduction module, water quality detection module, electromagnetic water valve Water quality detection and leak-proof device.While water resource has been saved, the health of people is also protected.The design exactly employs electricity Pole formula water logging detection mode, it has the advantages that high resolution, fast response time, certainty of measurement height and good stability；Other water The species of leaching sensor is more, and development is very fast, and Technical comparing is ripe, and this is also that the design adopts electric pole type water logging detection mode Designer's water quality monitoring and the one of the main reasons of leak-proof device.

Utility model content

This utility model purpose is：There is provided a kind of environmental suitability it is high, can domestic, good stability and low cost water quality prison Survey and leak-proof device.

The technical solution of the utility model is：

A kind of Domestic water monitoring and leak-proof device, including control module and the connected power module of difference, leak Detection module, water quality monitoring module, LCD MODULE, alarm module and electromagnetic water valve；The leak water detdction module, water quality prison Survey module and detect leak information and water quality information respectively, and be sent to control module, control module control LCD MODULE is entered Water-filling matter presentation of information, control module carry out leakproof according to control leak information control electromagnetic water valve action, and control warning mould Block carries out water quality and water leakage alarm.

Preferably, described control module adopts single-chip microcomputer STM32f1.

Preferably, described LCD MODULE adopts LCD1602.

Preferably, described water quality monitoring module adopts TDS water quality monitoring modules.

Preferably, the power module includes rechargeable lithium ion batteries and the reduction voltage circuit for interconnecting, reduction voltage circuit The voltage of blood pressure lowering output to remaining module for power supply is carried out to battery.

Preferably, the control module is by relay output control circuit connection control electromagnetic water valve.

Preferably, the leak water detdction module is inserted vertically in water using the lower end of two probes, wherein a probe Upper end adds 3.3V voltages, and the upper end of another root probe is grounded by sampling resistor, and sampling resistor exports sampled voltage to control Module, control module judge fluctuation in stage according to sampled voltage size, and then judge whether leak.

The utility model has the advantages that：

1. Domestic water provided by the utility model is monitored and leak-proof device, without the need for artificial on duty, temperature resolution height, Fast response time, certainty of measurement are high.

2. this utility model good stability, easy for installation, long service life.

3. this utility model can domestic, occasion strong adaptability.

Description of the drawings

Below in conjunction with the accompanying drawings and embodiment is further described to this utility model：

Fig. 1 is the general construction block diagram of Domestic water monitoring and leak-proof device in example；

Fig. 2 is the chip pin figure of LCD MODULE in example；

Fig. 3 is the governor circuit design drawing of single-chip microcomputer in example；

Fig. 4 is the schematic diagram of reduction voltage circuit in example；

Fig. 5 is the schematic diagram of water leakage monitoring in example.

Specific embodiment

In order to become apparent from illustrating this utility model, technical side of the present utility model is further described below in conjunction with embodiment Case.

As shown in figure 1, the Domestic water monitoring and leak-proof device disclosed in this utility model, including control module and difference Connected power module, leak water detdction module, water quality monitoring module, LCD MODULE, alarm module and electromagnetic water valve； The leak water detdction module, water quality monitoring module detect leak information and water quality information respectively, and are sent to control module, control Module control LCD MODULE carries out water quality information and shows, control module is according to control leak information control electromagnetic water valve action Carry out leakproof, and control alarm module carrying out water quality and water leakage alarm.

As shown in Fig. 2 in LCD MODULE, using chip LCD1602, its each pin function is as follows：

Pin 1：VSS is ground power supply, meets the GND of single-chip microcomputer；

Pin 2：VDD connects 5V positive supplies, meets the VCC of minimum system plate；

Pin 3：V0 is liquid crystal display setting contrast end, and when connecing positive supply, contrast is most weak, is contrasted during earthing power supply Degree highest, can produce " ghost " when contrast is too high, can adjust contrast or straight by the potentiometer of a 10K during use Ground connection；

Pin 4：RS is selected for depositor, and during high level, selection instruction depositor when selection data register, low level, connects The PB8 pins of single-chip microcomputer；

Pin 5：R/W is reading writing signal line, and read operation is carried out during high level, carries out write operation, connect single-chip microcomputer during low level PB9 pins；

Pin 6：E ends be Enable Pin, when E ends by high level saltus step into low level when, Liquid Crystal Module performs order, order piece 10 pins of PB of machine；

Pin 7～14：D0～D7 is 8 bidirectional data lines, meets the PB0-PB7 of single-chip microcomputer；

Pin 15～16：Empty foot.

LCD1602 liquid crystal displays depositor selects control as shown in table 1.

1 depositor of table selects control table

It is 0 that E is initialized during beginning, then puts E for 1, then clear 0.During reading state word, D7 positions are noted, D7 is 1, forbid reading Write operation；D7 is 0, it is allowed to read-write operation.So before being written and read operation to controller every time, it is necessary to be written and read detection.

As shown in figure 3, in the design of the system, examining in terms of price, familiarity and the demand for meeting system etc. Worry employs STM32f1 series monolithics.Core of the single-chip microcomputer for whole system, controls the operation of whole system.STM32f1 is mono- The modules of piece machine connection system, PB mouths connect the data wire of LCD1602 display apparatus modules, and PB8 meets 1602 RS, and PB9 connects 1602 RW, PB10 meet 1602 EN；PB14 and PB15 connect relay output circuit and buzzer alarm circuit respectively.PA9、PA10 Pin connects water quality monitoring module, and described water quality monitoring module adopts TDS water quality monitoring modules.

As shown in figure 4, we are by lm2596 electric current output buck switching mode integrated voltage-stabilized chips, by chargeable lithium cell Output voltage 12V drop to 5V, power to STM32f1 minimum system plates；Simultaneously original 12V voltages can be used to drive 12V normal Open electromagnetic valve, solves the problems, such as that required voltage is different between modules.

As shown in figure 5, the leak water detdction module is inserted vertically in water using the lower end of two probes, wherein a probe Upper end add 3.3V voltages, sampling resistor ground connection is used as by rheostat in the upper end of another root probe, immersed according to what is popped one's head in No degree, different sample voltage values can be obtained, sampling resistor output sampled voltage enters to STM32f1 single-chip microcomputer PA0 pins Row ADC is changed, and single-chip microcomputer judges fluctuation in stage according to sampled voltage size, and then judges whether leak.According to user itself need Ask, scalable rheostat, to adjust water logging low alarm setting, the false alarm caused situations such as such as ground can be avoided moist.

Above-described embodiment is only to illustrate the technology design and feature of the design, its object is to allow person skilled in the art Will appreciate that the content of the design and implement according to this, the protection domain of the design can not be limited with this.It is all to be set according to the system The modification done by the spirit of the main technical schemes of meter, should all cover within the protection domain of the design.

Claims

1. a kind of Domestic water is monitored and leak-proof device, it is characterised in that：Including control module and the connected power supply of difference Module, leak water detdction module, water quality monitoring module, LCD MODULE, alarm module and electromagnetic water valve；The leak water detdction mould Block, water quality monitoring module detect leak information and water quality information respectively, and are sent to control module, control module control liquid crystal Show that module carries out water quality information and shows, control module carries out leakproof according to control leak information control electromagnetic water valve action, and controls Alarm module processed carries out water quality and water leakage alarm.

2. Domestic water according to claim 1 is monitored and leak-proof device, it is characterised in that：Described control module is adopted Single-chip microcomputer STM32f1.

3. Domestic water according to claim 1 is monitored and leak-proof device, it is characterised in that：Described LCD MODULE Using LCD1602.

4. Domestic water according to claim 1 is monitored and leak-proof device, it is characterised in that：Described water quality monitoring module Using TDS water quality monitoring modules.

5. Domestic water according to claim 1 is monitored and leak-proof device, it is characterised in that：The power module includes mutually The rechargeable lithium ion batteries being connected and reduction voltage circuit, reduction voltage circuit carry out blood pressure lowering and export to remaining module for power supply to battery Voltage.

6. Domestic water according to claim 1 is monitored and leak-proof device, it is characterised in that：The control module by after Electricity output control circuit connection control electromagnetic water valve.

7. Domestic water according to claim 1 is monitored and leak-proof device, it is characterised in that：The leak water detdction module is adopted It is inserted vertically in water with the lower end of two probes, wherein the upper end of a probe adds 3.3V voltages, the upper end of another root probe It is grounded by sampling resistor, sampling resistor exports sampled voltage to control module, and control module is judged according to sampled voltage size Fluctuation in stage, and then judge whether leak.