CN107807687A - A kind of temperature sensing circuit based on intelligent domestic tank - Google Patents
A kind of temperature sensing circuit based on intelligent domestic tank Download PDFInfo
- Publication number
- CN107807687A CN107807687A CN201711299004.4A CN201711299004A CN107807687A CN 107807687 A CN107807687 A CN 107807687A CN 201711299004 A CN201711299004 A CN 201711299004A CN 107807687 A CN107807687 A CN 107807687A
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- China
- Prior art keywords
- resistance
- electric capacity
- sensing circuit
- temperature sensing
- amplifier
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1917—Control of temperature characterised by the use of electric means using digital means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a kind of temperature sensing circuit based on intelligent domestic tank, it is related to temperature sensing circuit field；Including single-chip microcomputer and temperature sensing circuit, the temperature sensing circuit is electrically connected with single-chip microcomputer；The temperature sensing circuit includes temperature sensor DS, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, voltage-stabiliser tube D1 and amplifier U1A；The present invention solves the technical problem that current domestic water tank can not realize intelligent control outlet pipe leaving water temperature using mechanical switch；By setting temperature sensing circuit to detect leaving water temperature, display screen is set to realize input control, it is easy to operate, realize Intelligent water outlet temperature control.
Description
Technical field
The present invention relates to temperature sensing circuit field, especially a kind of temperature sensing circuit based on intelligent domestic tank.
Background technology
At present, tank is both provided with kitchen, is broadly divided into two kinds of tanks, a kind of is the accommodating use only as cleaning, this
Kind tank cleaning needs are accomplished manually, and majority cleans tableware before food preparation and after the meal, and user's Manual-cleaning is time-consuming to take
Power.Another is mainly to include the function of washing the dishes with wash vegetables with the tank cleaned automatically, this tank cleaned automatically；On
Two kinds of tanks are stated when for different cleaning materials, can not be adjusted, cause the water waste that uses of cleaning more, water outlet and
Leaving water temperature cannot intelligently control.
The content of the invention
It is an object of the invention to：The invention provides a kind of temperature sensing circuit based on intelligent domestic tank, solves
Current domestic water tank can not realize the technical problem of intelligent control outlet pipe leaving water temperature using mechanical switch.
The technical solution adopted by the present invention is as follows：
A kind of temperature sensing circuit based on intelligent domestic tank, including single-chip microcomputer and temperature sensing circuit, the temperature
Circuit is detected to be electrically connected with single-chip microcomputer；The temperature sensing circuit includes temperature sensor DS, resistance R1, resistance R2, resistance
R3, resistance R4, resistance R5, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, voltage-stabiliser tube D1 and amplifier U1A, its connection are as follows：
VREF connection resistance R1 one end, resistance R1 other ends connection resistance R2 one end, resistance R2 other ends ground connection, resistance R2 one end also connects
Voltage-stabiliser tube D1 negative electrodes, voltage-stabiliser tube D1 plus earths are connect, voltage-stabiliser tube D1 negative electrodes are grounded after being also connected with electric capacity C4, and electric capacity C4 one end is also
Temperature sensor DS 3 pin are connected, temperature sensor DS 3 pin and 1 pin are connected in parallel electric capacity C5, and electric capacity C5 one end is also connected with electricity
Amplifier U1A inverting input is connected after resistance R3, the amplifier U1A normal phase input end connection electric capacity C5 other ends, amplifier U1A's is anti-
Phase input is also connected with the output end of connection amplifier U1A after the resistance R5 and electric capacity C6 of parallel connection, and amplifier U1A output end also connects
It is grounded after meeting electric capacity C7, amplifier U1A output end is also connected with connection single-chip microcomputer pin P1.0 after resistance R4.
Preferably, in addition to touch screen display, the touch display screen are electrically connected with single-chip microcomputer.
Preferably, the touch display screen uses TFT color screen.
Preferably, the single-chip microcomputer is using STC89C51 series.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. by setting temperature sensing circuit to detect leaving water temperature, display screen is set to realize input control, it is easy to operate, it is real
Existing Intelligent water outlet temperature control.
2. can set leaving water temperature in touch display screen, temperature sensor can experience the temperature of current outlet pipe, and
Temperature information is sent to single-chip microcomputer and handled, single-chip microcomputer controls flow control valve A and flow control valve B inflow, real
The Intelligent adjustment of existing temperature.
3. suitable population is wide, without worrying that water outlet is too boiling hot or the too cold injury to caused by user of water outlet.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the temperature sensing circuit figure of the present invention；
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
The present invention is elaborated with reference to Fig. 1.
A kind of temperature sensing circuit based on intelligent domestic tank, including single-chip microcomputer and temperature sensing circuit, temperature detection
Circuit is electrically connected with single-chip microcomputer；Temperature sensing circuit includes temperature sensor DS, resistance R1, resistance R2, resistance R3, resistance
R4, resistance R5, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, voltage-stabiliser tube D1 and amplifier U1A, its connection are as follows：VREF connections
Resistance R1 one end, resistance R1 other ends connection resistance R2 one end, resistance R2 other ends ground connection, resistance R2 one end is also connected with voltage stabilizing
Pipe D1 negative electrodes, voltage-stabiliser tube D1 plus earths, voltage-stabiliser tube D1 negative electrodes are grounded after being also connected with electric capacity C4, and electric capacity C4 one end is also connected with temperature
Sensor DS 3 pin, temperature sensor DS 3 pin and 1 pin are connected in parallel electric capacity C5, and electric capacity C5 one end connects after being also connected with resistance R3
Connect amplifier U1A inverting input, the amplifier U1A normal phase input end connection electric capacity C5 other ends, amplifier U1A inverting input
It is also connected with connecting after the resistance R5 and electric capacity C6 of parallel connection amplifier U1A output end, after amplifier U1A output end is also connected with electric capacity C7
Ground connection, amplifier U1A output end are also connected with connection single-chip microcomputer pin P1.0 after resistance R4.Temperature detection goes to clean by filtering
Ripple, by amplifier amplification detection signal, it is easy to post-digital to handle, promotes to improve accuracy of detection.
Embodiment 1
Also include touch screen display, touch display screen is electrically connected with single-chip microcomputer.Water outlet is inputted by touch display screen
Demand, single-chip microcomputer control valve device, such as magnetic valve, realize water outlet and include, in touch display screen, being easy to by leaving water temperature
Check, realize intelligent control and display.
Embodiment 2
Touch display screen uses TFT color screen.
Single-chip microcomputer is using STC89C51 series.
Operation principle：Temperature sensor detects leaving water temperature, and temperature sensing circuit removes noise wave removing by filtering, passes through amplifier
Amplification detection signal, it is easy to later stage analog signal and data signal to change, and is shown by single-chip microcomputer control display screen, is touched
Screen input demand for control, single-chip microcomputer correspondingly control magnetic valve to realize intelligent control water outlet；Display screen uses TFT color screen, single-chip microcomputer
Including including minimum system using STC89C51 series, single-chip microcomputer, minimum system includes crystal oscillating circuit and reset circuit, realizes base
This control, if desired hot water, hot water and corresponding temperature are inputted by touch display screen, then at single-chip microcomputer control control hot-water line
Magnetic valve open, and control magnetic valve at cold water pipe and flow control valve to realize control leaving water temperature, and pass through display screen
Leaving water temperature is shown；The present invention solves current domestic water tank can not realize that intelligent control outlet pipe goes out using mechanical switch
The technical problem of coolant-temperature gage；By setting temperature sensing circuit to detect leaving water temperature, display screen is set to realize input control, operation
It is convenient, realize Intelligent water outlet temperature control.
Claims (4)
- A kind of 1. temperature sensing circuit based on intelligent domestic tank, it is characterised in that：Including single-chip microcomputer and temperature sensing circuit, The temperature sensing circuit is electrically connected with single-chip microcomputer；The temperature sensing circuit includes temperature sensor DS, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, voltage-stabiliser tube D1 and amplifier U1A, it is connected It is as follows：VREF connection resistance R1 one end, resistance R1 other ends connection resistance R2 one end, resistance R2 other ends ground connection, resistance R2 mono- End is also connected with voltage-stabiliser tube D1 negative electrodes, voltage-stabiliser tube D1 plus earths, and voltage-stabiliser tube D1 negative electrodes are grounded after being also connected with electric capacity C4, electric capacity C4 mono- End is also connected with temperature sensor DS 3 pin, and temperature sensor DS 3 pin and 1 pin are connected in parallel electric capacity C5, and electric capacity C5 one end also connects Amplifier U1A inverting input, the amplifier U1A normal phase input end connection electric capacity C5 other ends, amplifier U1A are connected after connecting resistance R3 Inverting input be also connected with connecting after the resistance R5 and electric capacity C6 of parallel connection amplifier U1A output end, amplifier U1A output end is also It is grounded after connection electric capacity C7, amplifier U1A output end is also connected with connection single-chip microcomputer pin P1.0 after resistance R4.
- A kind of 2. temperature sensing circuit based on intelligent domestic tank according to claim 1, it is characterised in that：Also include Touch screen display, the touch display screen are electrically connected with single-chip microcomputer.
- A kind of 3. temperature sensing circuit based on intelligent domestic tank according to claim 2, it is characterised in that：It is described to touch Touch display screen and use TFT color screen.
- A kind of 4. temperature sensing circuit based on intelligent domestic tank according to claim 1, it is characterised in that：The list Piece machine is using STC89C51 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711299004.4A CN107807687A (en) | 2017-12-08 | 2017-12-08 | A kind of temperature sensing circuit based on intelligent domestic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711299004.4A CN107807687A (en) | 2017-12-08 | 2017-12-08 | A kind of temperature sensing circuit based on intelligent domestic tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107807687A true CN107807687A (en) | 2018-03-16 |
Family
ID=61579732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711299004.4A Withdrawn CN107807687A (en) | 2017-12-08 | 2017-12-08 | A kind of temperature sensing circuit based on intelligent domestic tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107807687A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162116A (en) * | 2019-05-09 | 2019-08-23 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of adaptively heating switching on/off circuit and monitoring temperature detection circuit |
-
2017
- 2017-12-08 CN CN201711299004.4A patent/CN107807687A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162116A (en) * | 2019-05-09 | 2019-08-23 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of adaptively heating switching on/off circuit and monitoring temperature detection circuit |
| CN110162116B (en) * | 2019-05-09 | 2021-09-14 | 中国航空工业集团公司西安航空计算技术研究所 | Self-adaptive heating start-stop circuit and temperature monitoring detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180316 |
|
| WW01 | Invention patent application withdrawn after publication |