CN109899993A - Intelligent purifying type water heater control system and method - Google Patents
Intelligent purifying type water heater control system and method Download PDFInfo
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- CN109899993A CN109899993A CN201910276418.8A CN201910276418A CN109899993A CN 109899993 A CN109899993 A CN 109899993A CN 201910276418 A CN201910276418 A CN 201910276418A CN 109899993 A CN109899993 A CN 109899993A
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Abstract
A kind of intelligence purifying type water heater control system and method, the system comprises: temperature detecting unit, real-time detection temperature；Leak water detdction unit detects whether that there are leaks；Liquid level detection unit, real-time detection liquid level；TDS detection unit detects TDS value；Water control unit is passed in and out, Inlet and outlet water is controlled；Control processing unit, control temperature detecting unit, leak water detdction unit, liquid level detection unit, TDS detection unit and disengaging water control unit；Wireless communication unit carries out data transmission for network by wireless communication and control processing unit.The method includes the steps: temperature information, leak information, liquid level information, TDS detection information and disengaging water management information are obtained in real time；Corresponding carry out control instruction is sent to the purifying type water heater according to temperature information, leak information, liquid level information, TDS detection information and disengaging water management information.Circuit structure of the present invention is simple, small in size, fast response time, superior performance, guarantees the stability of purifying type water heater control.
Description
Technical field
The present invention relates to purifying type water heater control field more particularly to a kind of intelligent purifying type water heater control system and sides
Method.
Background technique
With the extensive use of electronic technology and developing by leaps and bounds for automatic control technology, requirement day of the people to control industry
Benefit improves；People are higher and higher to the comfort requirement in family, work simultaneously, the following various electric equipment products sides
People life, also occupy no small space.Water heater just refer to made within a certain period of time by various physical principles it is cold
Coolant-temperature gage increases a kind of device for becoming hot water.Purifying type water heater be then water source before entering water heater by purifier into
The filtering of the water in tap water may be implemented in row water purification.Purifying type water heater control traditional at present is controlled using single-chip microcontroller
Several simple modules are made, but nowadays traditional purifying type water heater has no longer met the needs of life pursuit instantly, after water purification
Connection circuit between water quality safety and the timely replacement problem of filter core, purifying type water heater and single-chip microcontroller is many and diverse, with intelligent family
The development in residence, current purifying type water heater not can guarantee smooth accurate with the data communication of smart phone.
Summary of the invention
The main object of the present invention is to provide a kind of intelligent purifying type water heater control system and method, it is intended to solve existing skill
In art purifying type water heater can not real-time detection water quality safety and filter core replace in time caused by security risk the problem of.
To achieve the above object, the present invention proposes a kind of intelligent purifying type water heater control system, the intelligence water purification hot water
Device control system includes:
Temperature detecting unit, the temperature for purifying type water heater described in real-time detection；
Leak water detdction unit, for detecting the purifying type water heater with the presence or absence of leak；
Liquid level detection unit, the liquid level for purifying type water heater described in real-time detection；
TDS detection unit, the TDS value for purifying type water heater described in real-time detection；
Water control unit is passed in and out, for controlling the Inlet and outlet water of the purifying type water heater；
Processing unit is controlled, for controlling the temperature detecting unit, leak water detdction unit, liquid level detection unit, TDS inspection
Survey unit and disengaging water control unit；
Wireless communication unit carries out data transmission for network by wireless communication and the control processing unit.
Optionally, the TDS detection unit includes: impedance measurement chip, two operational amplifiers and several resistance
Capacitor.
Optionally, the control processing unit includes: microprocessor, and microprocessor connection power circuit standby is called out
Awake circuit, LED circuit, buzzer circuit, SWD SWC debug circuit and system clock circuit.
Optionally, the disengaging water control unit includes:
Key control circuit, for taking cold and/or hot water；
Solenoid valve control circuit, for controlling solenoid valve, the solenoid valve is for controlling water inlet and/or water outlet；
Control relay circuit, for controlling relay；
It is single that the key control circuit, solenoid valve control circuit and control relay circuit are all connected with the control processing
Member.
Optionally, the intelligent purifying type water heater control system further include:
Touch control unit, for controlling processing unit described in touch control.
Optionally, the wireless communication unit includes: GPRS telecommunication circuit.
Optionally, the touch control unit includes Internet of Things serial ports configuration screen DC80480F070.
Optionally, the GPRS telecommunication circuit includes communication chip GA6.
To achieve the above object, the present invention also provides a kind of intelligent purifying type water heater control methods, comprising steps of
Temperature information, leak information, liquid level information, TDS detection information and the disengaging of the purifying type water heater are obtained in real time
Water management information；
According to the temperature information of the purifying type water heater, leak information, liquid level information, TDS detection information and disengaging water control
Information processed sends corresponding carry out control instruction to the purifying type water heater.
TDS detection circuit realizes the real-time detection of TDS value in technical solution proposed by the present invention, avoids due to water
Quality detection not in time caused by water utilizing process in security risk.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is purifying type water heater control system overall structure block diagram of the present invention；
Fig. 2 is the circuit structure diagram of leak water detdction unit of the present invention；
Fig. 3 is the circuit structure diagram of liquid level detection unit of the present invention；
Fig. 4 is the circuit structure diagram of push-button unit of the present invention；
Fig. 5 is the circuit structure diagram of temperature detecting unit of the present invention；
Fig. 6 is the circuit structure diagram of TDS detection unit of the present invention；
Fig. 7 is the circuit structure diagram of present invention control processing unit；
Fig. 8 is the circuit structure diagram of wireless communication unit of the present invention；
Fig. 9 is the circuit structure diagram of inventive touch control unit；
Figure 10 is the circuit structure diagram of solenoid valve control control circuit of the present invention；
Figure 11 is the circuit structure diagram of invention relay control circuit；
Figure 12 is the circuit structure diagram of power circuit of the present invention；
Figure 13 is the flow chart of purifying type water heater control method of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
As shown in Figure 1, the present invention provides a kind of intelligent purifying type water heater control system, the intelligence purifying type water heater control
System includes:
Temperature detecting unit, the temperature for purifying type water heater described in real-time detection；
Leak water detdction unit, for detecting the purifying type water heater with the presence or absence of leak；
Liquid level detection unit, the liquid level for purifying type water heater described in real-time detection；
TDS (total dissolved solids total dissolved solid substance) detection unit, for described in real-time detection
The TDS value of purifying type water heater；
Water control unit is passed in and out, for controlling the Inlet and outlet water of the purifying type water heater；
Processing unit is controlled, for controlling the temperature detecting unit, leak water detdction unit, liquid level detection unit, TDS inspection
Survey unit and disengaging water control unit；
Wireless communication unit carries out data transmission for network by wireless communication and the control processing unit.
The real-time detection to water quality is realized by TDS detection unit, is realized by temperature, leak, liquid level detection unit
To the real-time detection of the temperature of the purifying type water heater, leak and liquid level, user is allowed preferably to grasp the information of water heater, increased
Add user experience, while being equipped with wireless communication unit, realize intelligent terminal (such as smart phone, iPad, palm PC,
The intelligent terminals such as PC) control to purifying type water heater.
In one embodiment, as shown in Fig. 2, leak water detdction unit includes: connecting terminal J1, the of connecting terminal J1
1 pin connects STM32F103RBT6 single-chip microcontroller U3A, the 2nd pin ground connection of connecting terminal J1.Connecting terminal J1 is for connecting leakage
Water sensor.
The lower section of large water tank welding position is directly placed at using the probe of sensor, once water has feelings of dripping from water tank
Condition, the I/O mouth that sensor can pass to digital signal single-chip microcontroller are alarmed.
In one embodiment, as shown in figure 3, liquid level detection unit includes: connecting terminal J2 and connecting terminal J3, institute
State the 1st pin connection of the connection of the 1st pin the STM32F103RBT6 single-chip microcontroller U3A, the connecting terminal J3 of connecting terminal J2
The 2nd pin of STM32F103RBT6 single-chip microcontroller U3A, the connecting terminal J2 are grounded, and the 2nd pin of the connecting terminal J3 connects
Ground.Connecting terminal J2 is respectively used to connect liquid level sensor with J3.
In order to which correct measurement water level detecting and water inlet control, when purifying type water heater works normally, designed water level inspection
The high and low level probe of slowdown monitoring circuit is placed position as defined in water tank respectively and is measured in real time, once liquid level is not in defined
In range, the I/O mouth that sensor can pass to digital signal single-chip microcontroller carries out control inlet water solenoid valve water inlet, until sensor
Until no longer issuing signal.
In one embodiment, as shown in figure 5, temperature detecting unit includes: connecting terminal J6, the of connecting terminal J6
1 pin connects STM32F103RBT6 single-chip microcontroller U3A, and the 1st pin of connecting terminal J6 passes through resistance R5 connection 3.3V power end,
The 1st pin of connecting terminal J6 is grounded by capacitor C5, the 2nd pin ground connection of connecting terminal J6.Connecting terminal J6 is for connecting
Temperature sensor.
In order to correctly detect the temperature and computer heating control of water tank, when purifying type water heater works normally, designed temperature
The temperature sensor NTC of detection circuit, which is placed, to be close in water tank with cabinet, carries out real-time measurement, temperature to the water temperature in water tank
Detection includes NTC sensor, R5 and C5, and R5 is resistance 10K for dividing, and C5 is that capacitor 106pF is used for High frequency filter, to acquisition
Temperature signal through sensor be converted into voltage signal again by Chip Microcomputer A/D conversion be acquired keep and upload to host computer into
Row real-time detection issues signal control relay by single-chip microcontroller and carries out if Water in Water Tanks temperature is not able to satisfy the needs of actual temperature
Heating.
In one embodiment, the TDS detection unit include: impedance measurement chip, two operational amplifiers and
Several resistance capacitances.
As shown in fig. 6, the particular circuit configurations of shown TDS detection unit are as follows: the SCL pin of impedance measurement chip AD5933
Microprocessor is connect with SDA pin, the output that the MCLK pin of the impedance measurement chip AD5933 is connected with source crystal oscillator X1 is drawn
Foot, the RFB pin of the impedance measurement chip AD5933 pass through the output end of resistance R3 connection operational amplifier U6B, the resistance
The output end of the VIN pin connection operational amplifier U6B of anti-measurement chip AD5933, the output end of the operational amplifier U6B
I- pin is connected, the I+ pin of the operational amplifier U6B is grounded by resistance R28, the I+ pin of the operational amplifier U6B
By resistance R27 connection 5V power end, the 1st pin of the I+ pin connection J4 of the operational amplifier U6B, the 1st of the J4 the
Pin is put by the 2nd pin of resistance R1 connection, the output end of the 2nd pin connection operational amplifier U6A of the J4, the operation
The output end of big device U6A connects I- pin, and the I+ pin of the operational amplifier U6A passes through capacitor C1 connection impedance measurement chip
The I+ pin of the VOUT pin of AD5933, the operational amplifier U6A is grounded by resistance R4, the I of the operational amplifier U6A
+ pin is connected in parallel polar capacitor C2, the impedance measurement chip by resistance R2 connection 5V power end, the capacitor C1
The DVDD pin connection AVDD1 and AVDD2 pin, the DVDD pin of the impedance measurement chip AD5933 of AD5933 passes through capacitor
The DVDD pin of C3 ground connection, the impedance measurement chip AD5933 connects 5V power end, the impedance measurement chip AD5933's
DVDD pin is grounded by capacitor C4, and the GND pin ground connection for having source crystal oscillator X1, the VCC pin for having source crystal oscillator X1 connects
Connect 3.3V power supply.
AD5933 is a high-precision testing impedance chip, has been internally integrated with 12 sample frequencys, up to 1MSPS
AD conversion frequency generator, this frequency generator can produce specific frequency excitation non-essential resistance, obtains on resistance
Response signal is sampled by ADC and passes through the DSP progress Fourier transform of on piece.32 single-chip microcontrollers and AD5933 are realized logical by serial ports
The real and imaginary parts for the impedance test results read from AD5933 are passed to host computer, host computer meter by serial ports by news, single-chip microcontroller
Calculation obtains impedance value.A kind of testing impedance chip of AD5933 is chosen, volume small-power is low, and highest frequency divides up to 100KHZ
Resolution is less than 0.1HZ, and there is 0.5% system accuracy can substantially reduce the cost in relation to instrument.Drawn by AD5933 voltage output
Foot Vout, it can issue the sinusoidal scanning signal of certain frequency, motivate to external impedance, and signal is by being tested after water quality again
Through amplifying, is sampled after filtering by analog-digital converter and carry out Discrete Fourier Transform, finally calculate impedance value to be measured, and then obtain
Its conductivity realizes the detection of TDS value.When TDS value is more than defined range, STM32F103RBT6 single-chip microcontroller is sent out to server end
Prompting message is sent, server end sends the information of prompting changing filter core to the PC in relation to staff after receiving information to guarantee
The safety problem of water quality.
In one embodiment, the control processing unit includes: microprocessor, the microprocessor connection power supply electricity
Road, standby wake up circuit, LED circuit, buzzer circuit, SWD SWC debug circuit and system clock circuit.
As shown in fig. 7, the particular circuit configurations figure of the control processing unit are as follows: microprocessor STM32F103RBT6
Single-chip microcontroller U3A and STM32F103RBT6 single-chip microcontroller U3B, the STM32F103RBT6 single-chip microcontroller U3A connection LED circuit, buzzing
Device circuit, standby wake up circuit, SWD SWC debug circuit and system clock circuit.LED circuit is that resistance R6 passes through LED light D1
Ground connection.It is worth noting that STM32F103RBT6 single-chip microcontroller U3A and STM32F103RBT6 single-chip microcontroller U3B is a single-chip microcontroller,
Wherein, U3B is the power-switching circuit of single-chip microcontroller.Buzzer circuit includes: that resistance R7 passes through resistance R8 connecting triode QN1
Emitter, the emitter ground connection of triode QN1, the base stage of triode QN1 are connected to the section between the resistance R7 and resistance R8
The collector of point, triode QN1 connects buzzer.Standby wake up circuit includes starting key J8, the 2nd pin of starting key J8
By the base stage of resistance R11 connecting triode Q1, the base stage of triode Q1 passes through resistance R10 connection 3.3V power end, triode
The emitter of Q1 connects 3.3V power end, and the collector of triode Q1 connects STM32F103RBT6 single-chip microcontroller U3A.SWD SWC tune
Examination circuit includes: debugging key J7, and the 2nd pin of debugging key J7 connect STM32F103RBT6 single-chip microcontroller U3A with the 3rd pin,
The 1st pin for debugging pin J7 connects 3.3V power end, the 4th pin ground connection of debugging pin J7.System clock circuit includes: nothing
The 2nd pin of source crystal oscillator Y1, no source crystal oscillator Y1 are grounded, and are connected between the 1st pin and the 2nd pin of no source crystal oscillator Y1 by capacitor C8
It connects, the 1st pin of no source crystal oscillator Y1 connects STM32F103RBT6 single-chip microcontroller U3A, and the 4th pin of no source crystal oscillator Y1 passes through capacitor
C7 connection STM32F103RBT6 single-chip microcontroller U3A.
In one embodiment, the disengaging water control unit includes:
As shown in figure 4, key control circuit, for taking cold and/or hot water；The key control circuit includes hot water control
Key J5, cold water control button J13, the hot water control button J5 connection STM32F103RBT6 single-chip microcontroller U3A, the cold water
Control button J13 connection STM32F103RBT6 single-chip microcontroller U3A.
Key circuit is used to control water yield, and wherein KH key is the water outlet for controlling hot water, and KC key is control cold water
Water outlet, passes to signal I/O mouth of single-chip microcontroller and uploads to host computer and carry out control water yield by key circuit, thus reality
The operation of key water intaking is showed.
As shown in Figure 10, solenoid valve control circuit, for controlling solenoid valve, the solenoid valve for control water inlet and/
Or water outlet；The solenoid valve control circuit includes two-way electromagnetic valve circuit, wherein all the way are as follows: the 1st pin of connecting terminal J10
2nd pin of the collector of connecting triode QN2, the connecting terminal J10 connects 24V power end, the collection of the triode QN2
Electrode connect 24V power end, the emitter ground connection of the triode QN2, the triode with diode D2 by resistance R12
The base stage of QN2 is grounded by resistance R14 and light emitting diode D3, and the base stage of the triode QN2 is connected by resistance R13
STM32F103RBT6 single-chip microcontroller U3A.Another way electromagnetic valve circuit are as follows: the 1st pin connecting triode QN4's of connecting terminal J14
Collector, the 2nd pin of the connecting terminal J14 connect 24V power end, and the collector of the triode QN4 passes through resistance R29
24V power end, the emitter ground connection of the triode QN4 are connect with diode D6, the base stage of the triode QN4 passes through resistance
R31 and light emitting diode D11 is grounded, and the base stage of the triode QN4 passes through resistance R30 connection STM32F103RBT6 single-chip microcontroller
U3A.Connecting terminal J10 is respectively used to connect solenoid valve with J14.
As shown in figure 11, control relay circuit, for controlling relay；The control relay circuit includes: relay
The 1st pin of the 3rd pin connection connecting terminal J11 of device K1, the relay K1, the 5th pin connection of the relay K1
2nd pin of the 2nd pin of connecting terminal J11, the relay K1 connects 24V power end, the 1st pin of the relay K1
The collector of connecting triode QN3, the emitter ground connection of the triode QN3, the base stage of the triode QN3 pass through resistance
R16 connection STM32F103RBT6 single-chip microcontroller U3A, the base stage of the triode QN3 are connect by resistance R17 and light emitting diode D5
Ground, for the collector of the triode QN3 by diode D4 connection 24V power end, the collector of the triode QN3 passes through electricity
R15, capacitor CF7, capacitor C9 ground connection are hindered, the node between the capacitor C9 and the capacitor CF7 connects 24V power end.It is described
Relay is used to control the heating of purifying type water heater.
From the foregoing, it will be observed that the key control circuit, solenoid valve control circuit and control relay circuit be all connected with it is described
Control processing unit.
In a certain embodiment mode, as shown in figure 9, the intelligence purifying type water heater control system further include:
Touch control unit, for controlling processing unit described in touch control.The touch control unit includes Internet of Things
Serial ports configuration screen J9, the model DC80480F070 of the Internet of Things serial ports configuration screen J9.The Internet of Things serial ports configuration screen J9
1-2 pin connect 5V power end, the 4th of the Internet of Things serial ports configuration screen J9 connect STM32F103RBT6 with the 5th pin
The 6th pin of single-chip microcontroller U3A, the Internet of Things serial ports configuration screen J9 connect the 5th pin, the Internet of Things serial ports configuration screen J9's
7-8 pin ground connection.
Touch screen display portion uses Internet of Things serial ports configuration screen for DC80480F070 series, which, which shields very much, has
Program debugging: host computer is integrated with " virtual machine serial ports screen ", and " virtual serial port screen " simulation result and true serial ports are the same, nothing
Hardware need to be connected, is connected with it and can be in communication with each other by oneself single-chip microcontroller RS232 serial ports, direct keil IDE binds tune with it
Examination；The starting time: i.e. operation is powered on without the system loads time；Configuration control: possess button, text, drop-down menu, two dimensional code,
The various Combining soft controls such as curve, data record；System keyboard: built-in virtual digit, figure keyboard, user-defined keyboard.Data
Record: data recording control content is supported to export to SID (System Identification) card.User's single-chip microcontroller only needs
Sending and receiving corresponding serial ports instruction can easily realize that text, picture and curve are shown.Display unit as touch screen
Point, simplerization is on the one hand connect with single-chip microcontroller compared with the design of traditional display portion, on the other hand can touched
It touches and button part is set on screen, control water yield, while the present invention can also increase advertisement on the touchscreen, can not only transmit
The management philosophy and development history of company, can also invite outside investment, and realize enterprise's maximum benefit.
In one embodiment, the wireless communication unit includes: GPRS telecommunication circuit.As shown in figure 8, the GPRS
Telecommunication circuit includes communication chip GA6.
GPRS data communications portion uses GA6 module, which has always online: as long as after activation GPRS application, it will
It is always maintained at online, is similar to wireless private line network service；Charging according to quantity: although GPRS service holding is always on, you are not
It must worry cost issues；Because only that ability charging when generating communication flows；High-speed transfer: GPRS can support 85.6Kbps's at present
Hardware circuit solution, theoretical peak are transmitted up to more than 100 Kbps；Cheap: the Module Price relative to SIM series only has it
Half.Greatly reduce internet of things equipment enters gate threshold.GA6 module is resetted by TTL interface (U_RX U_TX) and RST
Pin is connected with MCU.Network communication function may be implemented by using GA6 data communication module, be connected with server.Not only may be used
It, can also be by the temperature of acquisition, leak, the reception of order, the upload of water, TDS to realize Real-time Feedback current state information
The data accurate deliveries such as value realize the control to water heater " internet+" to data center.
As shown in figure 12, power circuit can provide the power supply of needs for shown intelligent purifying type water heater control system, mention
For 24V, 5V, 4V and 3.3V power end, including 24V, to 5V power-switching circuit, 24V to 4V power-switching circuit, 5V is extremely
3.3V power-switching circuit；Wherein, 24V is realized to 5V power-switching circuit by power supply chip U4 (model MP1548), 24V
It is realized to 4V power-switching circuit by power supply chip U8 (model MP1548), 5V to 3.3V power-switching circuit passes through power supply
Chip U5 (model SPX1117) is realized.
It is of the present invention intelligence purifying type water heater control system be by PCB making sheet, by leakage sensor, liquid level sensor,
It is carried out after the analog signal and digital signal of NTC temperature sensor and AD5933 circuit progress detection circuit by 32 single chip circuits
Sampling processing simultaneously carries out host computer operation by single-chip microcontroller and touch screen module and GPRS data communication module.The present invention detects electricity
Road design structure is simple, small in size, fast response time, superior performance, and the accuracy and reliability of whole system can be improved, can be real
The now inspection and control of intelligent purifying type water heater.
To achieve the above object, as shown in figure 13, the present invention also provides a kind of intelligent purifying type water heater control methods, including
Step:
Temperature information, leak information, liquid level information, TDS detection information and the disengaging of the purifying type water heater are obtained in real time
Water management information；
According to the temperature information of the purifying type water heater, leak information, liquid level information, TDS detection information and disengaging water control
Information processed sends corresponding carry out control instruction to the purifying type water heater.
The real-time detection to water quality is realized by TDS detection unit, is realized by temperature, leak, liquid level detection unit
To the real-time detection of the temperature of the purifying type water heater, leak and liquid level, user is allowed preferably to grasp the information of water heater, increased
Add user experience, while being equipped with wireless communication unit, realize intelligent terminal (such as smart phone, iPad, palm PC,
The intelligent terminals such as PC) control to purifying type water heater.
The beneficial effect comprise that
1) leak water detdction circuit of the invention is detection digital signal, and structure is simple, easy to operate, and detection is reliable, at
This low, detection efficiency height etc.
2) liquid level detection circuit of the invention is the height situation of real-time monitoring cistern water level, it is by the high-degree of conversion of position
It is exported for the form of electric signal, using bipolar system probe, stability is good, has repercussion protection, current-limiting protection circuit, peace
Dress is simple, and structure is simple, economy and durability.
3) NTC temperature sensing circuit of the invention, detection sensitivity is high, and response is fast, and structure simply has good exhausted
Edge sealing and bend resistance ability
4) TDS detection circuit of the invention, AD5933 are a high-precision testing impedance chips, have been internally integrated band
There are 12 sample frequencys, the up to frequency generator of the AD conversion of 1MSPS, this frequency generator can produce specific frequency
Non-essential resistance is motivated, response signal is obtained on resistance and is sampled by ADC and passes through the DSP progress Fourier transform of on piece.32 monolithics
Machine and AD5933 are realized by serial ports to be communicated, and single-chip microcontroller leads to the real and imaginary parts for the impedance test results read from AD5933
It crosses serial ports and passes to host computer, impedance value is calculated in host computer.
5) GPRS data communications portion of the present invention uses GA6 module, which has always online: as long as activation GPRS is answered
It with rear, will be always maintained at online, be similar to wireless private line network service；Charging according to quantity: although GPRS service holding is always on,
But you do not have to concern cost issues；Because only that ability charging when generating communication flows；High-speed transfer: GPRS can be supported at present
The hardware circuit solution of 85.6Kbps, theoretical peak are transmitted up to more than 100 Kbps；It is cheap: the module relative to SIM series
Price only has its half.
6) touch screen display portion uses Internet of Things serial ports configuration screen for DC80480F070 series, which shields very much tool
Have program debugging: host computer is integrated with " virtual machine serial ports screen ", and " virtual serial port screen " simulation result and true serial ports are the same,
Without connecting hardware, it is connected with it and can be in communication with each other by oneself single-chip microcontroller RS232 serial ports, direct keil IDE is bound with it
Debugging；The starting time: i.e. operation is powered on without the system loads time；Configuration control: possess button, text, drop-down menu, two dimension
The various Combining soft controls such as code, curve, data record.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (9)
1. a kind of intelligence purifying type water heater control system, which is characterized in that the intelligence purifying type water heater control system includes:
Temperature detecting unit, the temperature for purifying type water heater described in real-time detection；
Leak water detdction unit, for detecting the purifying type water heater with the presence or absence of leak；
Liquid level detection unit, the liquid level for purifying type water heater described in real-time detection；
TDS detection unit, the TDS value for purifying type water heater described in real-time detection；
Water control unit is passed in and out, for controlling the Inlet and outlet water of the purifying type water heater；
Processing unit is controlled, for controlling the temperature detecting unit, leak water detdction unit, liquid level detection unit, TDS detection list
Member and disengaging water control unit；
Wireless communication unit carries out data transmission for network by wireless communication and the control processing unit.
2. intelligence purifying type water heater control system according to claim 1, which is characterized in that the TDS detection unit packet
It includes: impedance measurement chip, two operational amplifiers and several resistance capacitances.
3. intelligence purifying type water heater control system according to claim 2, which is characterized in that the control processing unit packet
Include: microprocessor, the microprocessor connect power circuit, standby wake up circuit, LED circuit, buzzer circuit, SWD SWC
Debug circuit and system clock circuit.
4. intelligence purifying type water heater control system according to claim 1 to 3, which is characterized in that the disengaging water control
Unit processed includes:
Key control circuit, for taking cold and/or hot water；
Solenoid valve control circuit, for controlling solenoid valve, the solenoid valve is for controlling water inlet and/or water outlet；
Control relay circuit, for controlling relay；
The key control circuit, solenoid valve control circuit and control relay circuit are all connected with the control processing unit.
5. intelligence purifying type water heater control system according to claim 1 to 3, which is characterized in that the intelligence water purification
Water heater control system further include:
Touch control unit, for controlling processing unit described in touch control.
6. intelligence purifying type water heater control system according to claim 1 to 3, which is characterized in that the wireless communication
Unit includes: GPRS telecommunication circuit.
7. intelligence purifying type water heater control system according to claim 5, which is characterized in that the touch control unit packet
Include Internet of Things serial ports configuration screen DC80480F070.
8. intelligence purifying type water heater control system according to claim 6, which is characterized in that the GPRS telecommunication circuit packet
Include communication chip GA6.
9. a kind of method for realizing any intelligent purifying type water heater control system of claim 1-8, feature exist
In, comprising steps of
Temperature information, leak information, liquid level information, TDS detection information and the disengaging water control of the purifying type water heater are obtained in real time
Information processed；
According to the temperature information of the purifying type water heater, leak information, liquid level information, TDS detection information and disengaging water management letter
It ceases to the purifying type water heater and sends corresponding carry out control instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276418.8A CN109899993A (en) | 2019-04-08 | 2019-04-08 | Intelligent purifying type water heater control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276418.8A CN109899993A (en) | 2019-04-08 | 2019-04-08 | Intelligent purifying type water heater control system and method |
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| CN109899993A true CN109899993A (en) | 2019-06-18 |
Family
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| CN201910276418.8A Pending CN109899993A (en) | 2019-04-08 | 2019-04-08 | Intelligent purifying type water heater control system and method |
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| CN206541151U (en) * | 2017-01-17 | 2017-10-03 | 成都明道食品有限公司 | A kind of Intelligent control system for water dispenser |
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