CN110044064A - A kind of intelligence water purification heat hot water device and heating means - Google Patents
A kind of intelligence water purification heat hot water device and heating means Download PDFInfo
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- CN110044064A CN110044064A CN201910421228.0A CN201910421228A CN110044064A CN 110044064 A CN110044064 A CN 110044064A CN 201910421228 A CN201910421228 A CN 201910421228A CN 110044064 A CN110044064 A CN 110044064A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/185—Water-storage heaters using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of intelligent water purification heat hot water device and heating means.Including water purifier, controller, boiler and heater, water purification is injected into boiler by water pipe by water purifier, valve and flowmeter are provided on water pipe, controller is measured by water purification of the flowmeter to injection, temperature sensor and low water level sensor are provided in boiler, after the water level in low water level sensor measurement boiler is lower than water level lower limit, valve is opened, flowmeter measures the single water injection rate for being injected into boiler, after single water injection rate reaches the threshold value of setting, valve is closed, and single water filling is completed；Heater heats the water of boiler, and after temperature sensor measurement water temperature reaches the temperature value of setting, heater stops heating, completes single heating；After repeated multiple times single water filling and single heating, until water is full in boiler and reaches the temperature value of setting.Present invention reduces the power consumptions of water heater, improve the safety that water heater uses.
Description
Technical field
The present invention relates to technical field of water heaters more particularly to a kind of intelligent water purification heat hot water device and heating means.
Background technique
In public situations such as school, hospitals, it will usually have the biggish water heater of volume capacity, in the prior art to this heat
When hydrophone is heated, it usually needs first inject tap water or filtered water purification to boiler, then carry out laser heating to boiling
It rises, heating process power consumption is larger, is also easily damaged heater, needs to reduce the power consumption to this water heater thus, and improve
The safety that water heater uses.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of intelligent water purification heat hot water device and heating means, solve existing
Have in technology that water heater long-time laser heating bring power consumption is big, calorific value is high, there are problems that security risk.
In order to solve the above technical problems, one technical scheme adopted by the invention is that providing a kind of intelligent water purification heat hot water
Device, including water purifier, controller, boiler and heater, are connected between the water purifier and boiler by water pipe, described
Purified water is injected into the boiler by the water pipe by water purifier, and valve and flowmeter are provided on the water pipe, described
The switch state of valve is controlled by the controller, and the controller is counted by purified water of the flowmeter to injection
It measures, the low water level sensor of the temperature sensor and measurement water level lower limit for measuring water temperature, institute is provided in the boiler
It states temperature sensor and low water level sensor to be electrically connected with the controller, the heater is also electrically connected with the controller
It connects；
After the water level in low water level sensor measurement boiler is lower than water level lower limit, described in the controller control
Valve is opened, and is measured by flowmeter to the single water injection rate for being injected into boiler, when single water injection rate reaches setting
Threshold value after, the controller controls the valve and closes, and completes single water filling；The controller control heater is to the warm
The water of water tank is heated, and after temperature sensor measurement water temperature reaches the temperature value of setting, the controller controls heater
Stop heating, completes single heating；After repeated multiple times single water filling and single heating, until in the boiler
Water is full and reaches the temperature value of setting, completes water filling heating process.
Preferably, the high water level sensor for measuring the water level upper limit is additionally provided in the boiler, to the heat
It is described when the high water level sensor, which detects the water level in the boiler, reaches the water level upper limit during water tank with water
Controller, which controls the valve closing, then to be stopped filling the water.
Preferably, the controller includes water filling valve controling circuit, water injection rate detection circuit, low water level detection circuit, height
Water level detection circuit, heating control circuit, water temperature detection circuit and the single-chip microcontroller being electrically connected with these circuits, and be this
The power circuit of a little circuits and single-chip microcontroller power supply, the water filling valve controling circuit open or close water filling for controlling to boiler
Valve, the water injection rate detection circuit flows through the water that the flowmeter is injected to boiler for detecting, the low water level
Detection circuit and the high water level detection circuit are electrically connected low water level sensor and high water level sensor, for detecting hot water
Low water level and high water level in case, the heating control circuit add for controlling heater and opening or closing to the water in boiler
Heat, the water temperature detection circuit is electrically connected with the temperature sensor, for detecting the temperature of water in boiler.
Preferably, the power circuit includes chip XL1509-5V, and the input of the chip XL1509-5V terminates external
DC power supply, the cathode of output one output protection diode of termination, the plus earth of the output protection diode, and meanwhile it is described
Output end also connects an inductance, the anode of the first polar capacitor of another termination of the inductance, the cathode of first polar capacitor
The anode of ground connection, first polar capacitor is also electrically connected with the feedback end of the chip XL1509-5V, the chip
The switch terminals of XL1509-5V are grounded, and other leads ends of the chip XL1509-5V are grounded；First polar capacitor
Anode connects the anode of first diode, and the cathode of the first diode connects the anode of the second diode, second diode
Cathode connect power supply current-limiting resistance, the other end of the power supply current-limiting resistance be supplied to single-chip microcontroller power supply+4V power supply.
Preferably, the low water level detection circuit is identical as high water level detection circuit composition, wherein the high water level detection
Circuit includes that high water level detects the first divider resistance and high water level the second divider resistance of detection, first partial pressure of high water level detection
Resistance and high water level detect and are electrically connected high water level detection sensor at the electrical connection between the second divider resistance, and are also electrically connected
High water level detects one end of current-limiting resistance, and the other end of the high water level detection current-limiting resistance is as high water level detection signal input
End is electrically connected with an input/output terminal of single-chip microcontroller；The high water level detects the other end of the first divider resistance as high water level
Detection control terminal is electrically connected with another input/output terminal of single-chip microcontroller, when high water level detection control terminal generates high voltage
When, the single-chip microcontroller acquires the signal voltage of the high water level detection signal input part, the second partial pressure of high water level detection electricity
The other end of resistance is grounded.
Preferably, the water filling valve controling circuit includes metal-oxide-semiconductor STU432, and the external dc power connects power supply protection
The anode of the cathode of diode, the power supply protection diode is connect with the drain electrode of the metal-oxide-semiconductor STU432, the power supply protection
Capacitor is also parallel between the positive electrode and negative electrode of diode；The drain electrode of the metal-oxide-semiconductor STU432 is electrically connected as water injection valve control terminal
A terminals of water injection valve are connect, another terminals of water injection valve are electrically connected with external dc power；The metal-oxide-semiconductor STU432
Source electrode ground connection；The input that the grid of the metal-oxide-semiconductor STU432 passes through electrical connection water filling control current-limiting resistance and single-chip microcontroller
Output end electrical connection.
Preferably, the water injection rate detection circuit includes flow detection interface, wherein the first terminals connection+4V power supply,
For powering to flowmeter；Second terminals are electrically connected one end of a flow detection current-limiting resistance, the flow detection current limliting
The resistance other end is electrically connected as water injection rate detection signal input part with an input/output terminal of single-chip microcontroller, the water injection rate inspection
It is grounded after surveying a signal input part capacitor also in parallel；Third terminals are also grounded.
Preferably, the heating control circuit includes heating relay, and the positive control terminal of the heating relay is electrically connected
External dc power is connect, cathode control terminal is electrically connected the collector of computer heating control triode, the hair of the computer heating control triode
Emitter grounding accesses an input/output terminal of the single-chip microcontroller, the heating after base stage electrical connection the first heating current-limiting resistance
It controls and is also connected with the second heating current-limiting resistance between the base stage and emitter of triode；One of the heating relay is controlled
The zero line of end electrical connection external communication electricity, another controlled end are electrically connected the zero line of the alternating current of heater.
The present invention also provides a kind of intelligent water purification heating means, comprising steps of the first step, single water filling, work as boiler
In low water level detection sensor detect water level lower than setting water level lower limit when, controller control valve door open, water purification stream
Enter in the boiler, while flowmeter measures the water of injection, when this water injection rate reaches preset single water filling
After magnitude, the controller control valve door is closed；Second step, single heating, controller control heater to being injected into boiler
In water purification heated, while the temperature sensor in boiler is set, water temperature is detected, when water temperature reaches setting
Temperature upper limit after, controller control heater stops heating；Third step, repeatedly water filling and heating, are repeated several times the
One step and second step, until when the high water level detection sensor in boiler detects that water level reaches the water level upper limit of setting, institute
It states controller control Water filling valve to close, then controller control heater is heated to setting to the water purification being injected into boiler
Temperature upper limit after stop heating；4th step, monitoring temperature, the temperature sensor inside boiler hold water temperature
Continuous monitoring, after temperature upper limit value of the water temperature drop to setting, controller control heater is heated to the water purification in boiler
Stop heating after the temperature upper limit of setting；5th step, monitoring water level carry out the water level in boiler to continue monitoring, work as water
When position drops to the water level lower limit of setting, control boiler stops externally water outlet, then returnes to first step cycle operation.
Preferably, the single water filling magnitude is 1/10th of the boiler volume, the temperature upper limit
5 degrees Celsius are differed with the temperature upper limit value.
The beneficial effects of the present invention are: the invention discloses a kind of intelligent water purification heat hot water device and heating means.Including
Water purification is injected into boiler by water pipe, is provided with valve on water pipe by water purifier, controller, boiler and heater, water purifier
Door and flowmeter, controller are measured by water purification of the flowmeter to injection, and temperature sensor and low is provided in boiler
Water level sensor, after the water level in low water level sensor measurement boiler is lower than water level lower limit, valve is opened, and flowmeter is to note
The single water injection rate entered to boiler is measured, and after single water injection rate reaches the threshold value of setting, valve is closed, and completes single
Water filling；Heater heats the water of boiler, after temperature sensor measurement water temperature reaches the temperature value of setting, heater
Stop heating, completes single heating；After repeated multiple times single water filling and single heating, until water is full in boiler and reaches
To the temperature value of setting.Present invention reduces the power consumptions of water heater, improve the safety that water heater uses.
Detailed description of the invention
Fig. 1 is the composition block diagram of intelligent one embodiment of water purification heat hot water device according to the present invention；
Fig. 2 is the composition block diagram of the controller of intelligent one embodiment of water purification heat hot water device according to the present invention；
Fig. 3 is the power circuit in intelligent another embodiment of water purification heat hot water device according to the present invention；
Fig. 4 is the singlechip chip circuit in intelligent another embodiment of water purification heat hot water device according to the present invention；
Fig. 5 is the high water level detection circuit in intelligent another embodiment of water purification heat hot water device according to the present invention；
Fig. 6 is the water filling valve controling circuit in intelligent another embodiment of water purification heat hot water device according to the present invention；
Fig. 7 is the water injection rate detection circuit in intelligent another embodiment of water purification heat hot water device according to the present invention；
Fig. 8 is the heating control circuit in intelligent another embodiment of water purification heat hot water device according to the present invention；
Fig. 9 is the water temperature detection circuit in intelligent another embodiment of water purification heat hot water device according to the present invention；
Figure 10 is the warning circuit in intelligent another embodiment of water purification heat hot water device according to the present invention；
Figure 11 is the flow chart of intelligent one embodiment of water purification heating means according to the present invention；
Figure 12 is according to the present invention in intelligent another embodiment of water purification heating means to the control sequential figure of water level detecting.
Specific embodiment
To facilitate the understanding of the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
A better embodiment of the invention is given in the attached drawing.But the invention can be realized in many different forms, and unlimited
In this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to the disclosure
Understand more thorough and comprehensive.
It should be noted that unless otherwise defined, all technical and scientific terms used in this specification with belong to
The normally understood meaning of those skilled in the art of the invention is identical.Used term in the description of the invention
It is the purpose in order to describe specific embodiment, is not intended to the limitation present invention.Term "and/or" packet used in this specification
Include any and all combinations of one or more related listed items.
As shown in Figure 1, intelligent water purification heat hot water device includes water purifier S1, controller S2, boiler S4 and heater S3,
It is connected between the water purifier S1 and boiler S4 by water pipe, the water purifier S1 is injected purified water by the water pipe
To the boiler S4, it is provided with valve S5 and flowmeter S6 on the water pipe, the switch state of the valve S5 is controlled by institute
Controller S2 is stated, the controller S2 measures the purified water of injection by the flowmeter S6, in the boiler S4
It is provided with the low water level sensor S8, low water level sensor S8 of the temperature sensor S7 and measurement water level lower limit for measuring water temperature
It is positioned close in boiler S4 on the side wall of boiler bottom surface, the temperature sensor S7 and low water level sensor S8 are equal
It is electrically connected with the controller S2, the heater S3 is also electrically connected with the controller S2.
After the water level in low water level sensor S8 measurement boiler S4 is lower than water level lower limit, the controller S2 control
It makes the valve S5 to open, and the single water injection rate for being injected into boiler S4 is measured by flowmeter S6, when single is infused
After water reaches the single water filling magnitude of setting, the controller S2 controls the valve S5 and closes, and completes single water filling；It is described
Controller S2 control heater S3 heats the water of the boiler S4, when temperature sensor S8 measurement water temperature reaches setting
Temperature upper limit after, controller S2 control heater S3 stops heating, completes single heating；By repeated multiple times institute
After stating single water filling and single heating, until water is full in the boiler S4 and reaches the temperature upper limit of setting, water filling is completed
Heating process.
Above-mentioned intelligent water purification heat hot water device be can be seen that by way of control single water injection rate and single heating, it can
So that the water heater will not make heater long time continuous working when being heated, but heating duration is without longer every time
It can be so that the temperature of single water filling be heated to the temperature value of setting.And after reinjecting water purification, the water purification newly injected with
After the hot water of boiler is mixed, water temperature will not decline too much, in this way it is also possible that the duration that water heater heats again
Will not be very long, and in boiler water increase, water temperature drop caused by single fills the water is smaller, so that water heater
Heating duration also shortens.Preferably, in order to enable to water temperature detect it is more rational, can the bottom of boiler, top and in
Between position multiple temperature sensors are set, in this way can be more accurate to temperature measurement.
Preferably, the high water level sensor S9 for measuring the water level upper limit, high water level are additionally provided in the boiler S4
Sensor S9 is positioned close in boiler S4 on the side wall of boiler top surface.To the boiler S4 the injecting process
In, when the water level in high water level sensor detection S9 to the boiler S4 reaches the water level upper limit, the controller S2
The valve S5 closing is controlled then to stop filling the water.
It is further preferred that a mid water levels sensor can also be arranged at the intermediate position of boiler, work as boiler
It,, should when the position where water level decreasing to the mid water levels sensor with water level decreasing after filling in use process
Mid water levels sensor can find out water level conditions, then can star single water filling and single heating process, can protect in this way
Hot water in card boiler is in always on half of water tank volume.
As shown in Fig. 2, the controller includes water filling valve controling circuit 2, water injection rate detection circuit 3, low water level detection electricity
Road 4, high water level detection circuit 9, heating control circuit 5, water temperature detection circuit 6 and the single-chip microcontroller being electrically connected with these circuits
1, and the power circuit 7 powered for these circuits and single-chip microcontroller, the water filling valve controling circuit 2 is for controlling the heat into Fig. 1
Water tank S4 opens or closes the valve S5 of water filling, and the water injection rate detection circuit 3 flows through flowmeter S6 described in Fig. 1 for detecting
The water injected to boiler S4, the low water level detection circuit 4 and the high water level detection circuit 9 are electrically connected in Fig. 1
Low water level sensor S7 and high water level sensor S9, for detecting low water level and high water level in boiler S4, the heating control
Circuit 5 processed opens or closes heating, the water temperature detection circuit 6 to the water in boiler S4 for heater S3 in control figure 1
It is electrically connected with the temperature sensor S8, for detecting the temperature of water in boiler S4.Power circuit 7 connects external power supply 8.
As shown in Figure 3 and Figure 4, the power circuit includes chip XL1509-5V, and single-chip microcontroller is chip
STC8A4K32S2A12, the input terminal IN of the chip XL1509-5V meet external dc power+24V, and it is defeated that output end OUT connects one
The cathode of protection diode D6 out, the plus earth of the output protection diode D6, while the output end OUT also connect an electricity
Feel L1, the anode of the first polar capacitor of another termination C3 of the inductance L1, the cathode ground connection of the first polar capacitor C3, institute
The anode for stating the first polar capacitor C3 is also electrically connected with the feedback end FB of the chip XL1509-5V, the chip XL1509-5V
Switch terminals ON/OFF ground connection, other leads ends of the chip XL1509-5V are grounded；The first polar capacitor C3 is just
Pole connects the anode of first diode D1, and the cathode of the first diode D1 connects the anode of the second diode D2, and the described 2nd 2
The cathode of pole pipe D2 connects power supply current-limiting resistance R6, the other end of the power supply current-limiting resistance R6 be supplied to single-chip microcontroller power supply+
4V power supply.
Preferably, the negative of protection diode D4 is accessed after the input terminal IN connection thermistor RT1 of chip XL1509-5V
Pole, the anode access external power supply+24V of protection diode D4, while the input terminal IN of chip XL1509-5V is also connected with polarity electricity
Hold the anode of C1, the cathode ground connection of polar capacitor C1, the input terminal IN of chip XL1509-5V is grounded after being also connected with capacitor C2.The
The anode of one polar capacitor C3 is also connected with the anode of polar capacitor C4, and the cathode of polar capacitor C4 is grounded, and D4 pairs of protection diode
Microarray biochip XL1509-5V shields.
Fig. 5 is that the circuit of high water level detection circuit forms, and the low water level detection circuit and high water level detection circuit form
Identical, in Fig. 5, the high water level detection circuit includes that high water level detects the first divider resistance R63 and high water level detection second
Divider resistance R67, the high water level detect the electricity between the second divider resistance R67 of the first divider resistance R63 and high water level detection
Junction is electrically connected high water level detection sensor, and one end of also electrical connection high water level detection current-limiting resistance R42, the Gao Shui
An input and output of the other end gyh_in of position detection current-limiting resistance R42 as high water level detection signal input part and single-chip microcontroller
End electrical connection；The other end gy_vcc that the high water level detects the first divider resistance R63 detects control terminal and list as high water level
Another input/output terminal of piece machine is electrically connected, and when high water level detection control terminal generates high voltage, the single-chip microcontroller is adopted
Collect the signal voltage of the high water level detection signal input part, the high water level detects another termination of the second divider resistance R67
Ground.Preferably, capacitor C23 is also parallel at the both ends that the high water level detects the second divider resistance R67.Low water level detection circuit
Identical as high water level detection circuit composition, which is not described herein again.
Preferably, when level detection sensor is metal probe, which is equivalent to open circuit when not soaking,
And when the metal probe is after immersion, since the degree of purity of water quality is higher, which is rendered as the characteristic of capacitor.If
It then in water level detecting signal input part is divided by water level detecting first always when water level detecting and controlling end applies fixed voltage value
Resistance and the second divider resistance of water level detecting to the partial pressure value of the fixed voltage value, can not identify metal probe be immersion or
Do not soak.And it is preferred, apply pulse signal at water level detecting and controlling end, when pulse signal is high voltage, is equivalent to pair
Metal probe with capacitance characteristic charges, and when pulse signal is low-voltage, is equivalent to the gold with capacitance characteristic
Belong to probe to discharge, one continuous charge and discharge process of formation, and acquisition of the water level detecting signal input part to voltage signal
The a certain moment that moment is exactly in the high voltage pulse duration is acquired.In this way, if metal probe does not soak, water
The voltage of position detection signal input part acquisition is by the first divider resistance of water level detecting and the second divider resistance of water level detecting to this
The partial pressure value of fixed voltage value, if metal probe soak, water level detecting signal input part acquisition voltage value if be based on pair
A voltage value in metal probe charging process takes the voltage of several sampling instants by reasonably selecting sampling instant or multiselect
Value, it is different from fixed partial pressure value above-mentioned can obviously to distinguish the value.In addition, being applied by applying this pulse signal
The voltage value being fixed is also beneficial to save energy consumption.
As shown in fig. 6, the water filling valve controling circuit includes metal-oxide-semiconductor STU432, the external dc power+24V connection
The anode of the cathode of power supply protection diode D8, the power supply protection diode D8 is connect with the drain electrode of the metal-oxide-semiconductor STU432,
Capacitor C15 is also parallel between the positive electrode and negative electrode of the power supply protection diode D8；The drain electrode conduct of the metal-oxide-semiconductor STU432
Water injection valve control terminal is electrically connected a terminals of water injection valve, another terminals and external dc power+24V electricity of water injection valve
Connection；The source electrode of the metal-oxide-semiconductor STU432 is grounded；The grid of the metal-oxide-semiconductor STU432 passes through electrical connection water filling control current limliting electricity
Resistance R48 is electrically connected with the input/output terminal P7.2 of single-chip microcontroller in Fig. 4.
As shown in fig. 7, water injection rate detection circuit includes flow detection interface J6, wherein the first terminals connection+4V electricity
Source, for powering to flowmeter, the first terminals are grounded after being also connected with capacitor C10；Second terminals are electrically connected a flow inspection
One end of current-limiting resistance R33 is surveyed, the flow detection current-limiting resistance R33 other end is as water injection rate detection signal input part and figure
The flow input/output terminal P3.4/T0 electrical connection of single-chip microcontroller in 4, a water injection rate detection signal input part capacitor also in parallel
It is grounded after C11；Third terminals are also grounded.
As can be seen that the flowmeter is constantly in power supply state by+4V power supply, and when there is water filling to flow through the flowmeter, warp
Crossing the second terminals can be to the flow input/output terminal P3.4/T0 input pulse signal of single-chip microcontroller, and single-chip microcontroller is to the pulse
Pulse in signal is counted, and the single quantity of M pulse shows single water injection rate, and the quantity of the accumulation of pulse then shows
The number of water injection rate.Accumulation can be measured to the water filling in boiler by flowmeter detection.
As shown in figure 8, the heating control circuit includes heating relay, the positive control terminal electricity of the heating relay
External dc power+24V is connected, cathode control terminal is electrically connected the collector of computer heating control triode Q3, the computer heating control three
The emitter of pole pipe Q3 is grounded, and the input/output terminal of single-chip microcontroller in Fig. 4 is accessed after the first heating of base stage electrical connection current-limiting resistance R47
P7.3 is also connected with the second heating current-limiting resistance R53 between the base stage and emitter of the computer heating control triode Q3；It is described to add
The zero line L of the controlled end electrical connection external communication electricity of electrothermal relay, another controlled end are electrically connected the exchange of heater
The zero line L_OUT of electricity.
Preferably, the positive control terminal of the heating relay is also electrically connected the anode of heated protective diode D7, described
The cathode of heated protective diode D7 connects the collector of the computer heating control triode Q3, the cathode of heated protective diode D7
Capacitor C14 is also connected between anode.
As can be seen that passing through the first heating current limliting electricity after the input/output terminal P7.3 output HIGH voltage signal of single-chip microcontroller
Computer heating control triode Q3 is connected after resistance R47, and then makes the two controlled ends electrical connection for heating relay, heater access is handed over
Galvanic electricity pressure is begun to warm up.
As shown in figure 9, the water temperature detection circuit includes temperature sensor J2, a termination+4V of the temperature sensor
Power supply, the other end are electrically connected as temperature detection signal collection terminal with the input/output terminal P0.0 of single-chip microcontroller in Fig. 3, the temperature
Detectable signal collection terminal wd_ad is grounded after being also electrically connected a temperature sensing divider resistance R21.
As can be seen that the temperature sensor is constantly in power supply state by+4V power supply, for detecting the water in boiler
Temperature, can be to the input/output terminal P0.0 input temp signal of single-chip microcontroller by temperature detection signal collection terminal wd_ad, and leads to
Cross the heating power after single-chip microcontroller control boiler fills the water every time.
As shown in Figure 10, further include warning circuit with monolithic mechatronics, the warning circuit includes buzzer B1, institute
The first terminals for stating buzzer B1 are electrically connected external dc power+24V, the buzzing by the first alarm current-limiting resistance R45
The second terminals of device B1 are also electrically connected the collector of controlling alarm triode Q4, the emitter of the controlling alarm triode Q4
Ground connection, is also electrically connected the second alarm current-limiting resistance R62, the report between the emitter and base stage of the controlling alarm triode Q4
The alarm input/output terminal P6.5 of single-chip microcontroller in Fig. 4 is accessed after the base stage connection third alarm current-limiting resistance R52 of alert triode Q4.
Preferably, the cathode of the first terminals connection alarm and protection diode D12 of the buzzer B1, the buzzer
The second terminals of B1 connect the anode of the alarm and protection diode D12.
When the water level in heater is in low water level, the alarm input/output terminal P6.5 output HIGH voltage of single-chip microcontroller makes
Controlling alarm triode Q4 conducting, buzzer B1 acquisition+24V voltage start warning note.
Based on same design, the present invention also provides a kind of intelligent water purification heating means embodiments, as shown in figure 11, should add
Hot method comprising steps of
First step S101, single water filling, when the low water level detection sensor in boiler detects water level lower than setting
When water level lower limit, controller control valve door is opened, and water purification flows into the boiler, while flowmeter carries out the water of injection
Metering, after this water injection rate reaches preset single water filling magnitude, the controller control valve door is closed；
Second step S102, single heating, controller control heater heat the water purification being injected into boiler, together
When the temperature sensor that is arranged in boiler water temperature is detected, it is described after water temperature reaches the temperature upper limit of setting
Controller controls heater and stops heating；
Third step S103, repeatedly water filling and heating, are repeated several times the first step and second step, until the high water level in boiler
When detection sensor detects that water level reaches the water level upper limit of setting, the controller control Water filling valve is closed, and is then controlled
Device controls heater and is heated to stopping heating after the temperature upper limit set to the water purification being injected into boiler；
4th step S104, monitoring temperature, the temperature sensor inside boiler carry out water temperature to continue monitoring, work as water
After temperature drops to the temperature upper limit value of setting, controller controls heater and is heated in the temperature of setting to the water purification in boiler
Stop heating after limit value；
5th step S105, monitoring water level carry out the water level in boiler to continue monitoring, when water level decreasing to the water of setting
When the lower limit of position, control boiler stops externally water outlet, then returnes to first step cycle operation.Before the reference of correlative detail content
It states, which is not described herein again.
Preferably, the single water filling magnitude is 1/10th of the boiler volume, the temperature upper limit
5 degrees Celsius are differed with the temperature upper limit value.
Preferably, high water level detection circuit as shown in connection with fig. 5, Figure 12 show further the timing of level testing methods
Figure.Here, level detection sensor is preferably metal probe, in conjunction with foregoing teachings, in high water level detection control terminal by list
Piece machine, which generates, exports control wave TS1 as shown in Figure 12, is obtained in this way in water level detecting signal input part
Signal TS2 is detected shown in Figure 12, in order to obtain optimal detection sampled value in water level detecting signal input part, can controlled
The high voltage pulse of pulse signal TS1 processed reasonably selects sampling instant during continuing, single such as the sampling instant TS2-1 in Figure 12
Piece machine samples the voltage signal of water level detecting signal input part, and thus identification judges water level conditions.It is this to apply continuously
The mode of pulse also helps and repeatedly carries out sampling comparison, and carries out average calculating operation, can obtain the sampling letter of accurate stable
Number, be conducive to the accuracy for improving water level detecting.
Preferably, mid water levels detection sensor can also be set in the embodiment shown in fig. 11, pass through mid water levels
Detection sensor carry out mid water levels detection, when water level decreasing arrive mid water levels when, also may be repeated repeatedly progress single
Water filling and single heating process.
It can be seen that the invention discloses a kind of intelligent water purification heat hot water device and heating means.Including water purifier, control
Water purification is injected into boiler by water pipe, is provided with valve and flowmeter on water pipe by device, boiler and heater, water purifier,
Controller is measured by water purification of the flowmeter to injection, and temperature sensor and low water level sensor are provided in boiler,
After the water level in low water level sensor measurement boiler is lower than water level lower limit, valve is opened, and flowmeter is to being injected into boiler
Single water injection rate measured, after single water injection rate reaches the threshold value of setting, valve close, complete single water filling；Heating
Device heats the water of boiler, and after temperature sensor measurement water temperature reaches the temperature value of setting, heater stops heating,
Complete single heating；After repeated multiple times single water filling and single heating, until water is full in boiler and reaches setting
Temperature value.Present invention reduces the power consumptions of water heater, improve the safety that water heater uses.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of intelligence water purification heat hot water device, which is characterized in that described including water purifier, controller, boiler and heater
It is connected between water purifier and boiler by water pipe, purified water is injected into the hot water by the water pipe by the water purifier
Case is provided with valve and flowmeter on the water pipe, and the switch state of the valve is controlled by the controller, the controller
It is measured by purified water of the flowmeter to injection, the temperature sensing for measuring water temperature is provided in the boiler
The low water level sensor of device and measurement water level lower limit, the temperature sensor and low water level sensor are electrically connected with the controller
It connects, the heater is also electrically connected with the controller；
After the water level in low water level sensor measurement boiler is lower than water level lower limit, the controller controls the valve
It opens, and the single water injection rate for being injected into boiler is measured by flowmeter, when single water injection rate reaches the list of setting
After secondary water filling magnitude, the controller controls the valve and closes, and completes single water filling；The controller control heater is to institute
The water for stating boiler is heated, after temperature sensor measurement water temperature reaches the temperature upper limit of setting, the controller control
Heater processed stops heating, completes single heating；After repeated multiple times single water filling and single heating, until described
Water is full in boiler and reaches the temperature upper limit of setting, completes water filling heating process.
2. intelligence water purification heat hot water device according to claim 1, which is characterized in that be additionally provided with use in the boiler
In the high water level sensor of the measurement water level upper limit, into the boiler the injecting process, when the high water level sensor detects
When reaching the water level upper limit to the water level in the boiler, the controller, which controls the valve closing, then to be stopped filling the water.
3. intelligence water purification heat hot water device according to claim 2, which is characterized in that the controller includes water injection valve control
Circuit processed, water injection rate detection circuit, low water level detection circuit, high water level detection circuit, heating control circuit, water temperature detection circuit
With the single-chip microcontroller being electrically connected with these circuits, and the power circuit powered for these circuits and single-chip microcontroller, the water filling
Valve controling circuit is flowed through for controlling the valve for opening or closing water filling to boiler, the water injection rate detection circuit for detecting
The water that the flowmeter is injected to boiler, the low water level detection circuit and the high water level detection circuit are electrically connected
Low water level sensor and high water level sensor, for detecting low water level and high water level in boiler, the heating control circuit
Heating, the water temperature detection circuit and temperature sensor electricity are opened or closed to the water in boiler for controlling heater
Connection, for detecting the temperature of water in boiler.
4. according to claim 3 for intelligent water purification heat hot water device, which is characterized in that the power circuit includes core
The input of piece XL1509-5V, the chip XL1509-5V terminate external dc power, output one output protection diode of termination
Cathode, the plus earth of the output protection diode, while the output end also connects an inductance, the other end of the inductance
Connect the anode of the first polar capacitor, the cathode ground connection of first polar capacitor, the anode of first polar capacitor also with institute
State the feedback end electrical connection of chip XL1509-5V, the switch terminals ground connection of the chip XL1509-5V, the chip XL1509-5V
Other leads ends be grounded；The anode of first polar capacitor connects the anode of first diode, the first diode
Cathode connects the anode of the second diode, and the cathode of second diode connects power supply current-limiting resistance, the power supply current-limiting resistance
The other end be supplied to single-chip microcontroller power supply+4V power supply.
5. according to claim 4 for intelligent water purification heat hot water device, which is characterized in that the high water level detection circuit
The first divider resistance is detected including high water level and high water level detects the second divider resistance, and the high water level detects the first divider resistance
And high water level detects and is electrically connected high water level detection sensor at the electrical connection between the second divider resistance, and is also electrically connected Gao Shui
One end of position detection current-limiting resistance, the other end of high water level detection current-limiting resistance as high water level detection signal input part and
One input/output terminal of single-chip microcontroller is electrically connected；The other end that the high water level detects the first divider resistance is detected as high water level
Control terminal is electrically connected with another input/output terminal of single-chip microcontroller, when high water level detection control terminal generates high voltage, institute
The signal voltage that single-chip microcontroller acquires the high water level detection signal input part is stated, the high water level detects the another of the second divider resistance
One end ground connection.
6. according to claim 4 for intelligent water purification heat hot water device, which is characterized in that the water filling valve controling circuit
Including metal-oxide-semiconductor STU432, the cathode of the external dc power connection power supply protection diode, the power supply protection diode
The positive drain electrode with the metal-oxide-semiconductor STU432 is connect, and is also parallel with electricity between the positive electrode and negative electrode of the power supply protection diode
Hold；The metal-oxide-semiconductor STU432 drain electrode as water injection valve control terminal be electrically connected water injection valve a terminals, water injection valve it is another
A terminals are electrically connected with external dc power；The source electrode of the metal-oxide-semiconductor STU432 is grounded；The grid of the metal-oxide-semiconductor STU432
Control current-limiting resistance is filled the water by electrical connection to be electrically connected with an input/output terminal of single-chip microcontroller.
7. according to claim 4 for intelligent water purification heat hot water device, which is characterized in that the water injection rate detection circuit
Including flow detection interface, wherein the first terminals connection+4V power supply, for powering to flowmeter；The electrical connection of second terminals
One end of one flow detection current-limiting resistance, the flow detection current-limiting resistance other end detect signal input part as water injection rate
It is electrically connected with an input/output terminal of single-chip microcontroller, is grounded after a water injection rate detection signal input part capacitor also in parallel；The
Three terminals are also grounded.
8. according to claim 4 for intelligent water purification heat hot water device, which is characterized in that the heating control circuit packet
Heating relay is included, the positive control terminal of the heating relay is electrically connected external dc power, and the electrical connection of cathode control terminal adds
The collector of thermal control triode, the emitter ground connection of the computer heating control triode, base stage electrical connection the first heating current limliting electricity
The input/output terminal that the single-chip microcontroller is accessed after resistance, is also connected between the base stage and emitter of the computer heating control triode
There is the second heating current-limiting resistance；The zero line of the controlled end electrical connection external communication electricity of the heating relay, another
Controlled end is electrically connected the zero line of the alternating current of heater.
9. a kind of intelligence water purification heating means, which is characterized in that comprising steps of
The first step, single water filling, when the low water level detection sensor in boiler detects water level lower limit of the water level lower than setting
When, controller control valve door is opened, and water purification flows into the boiler, while flowmeter measures the water of injection, when
After this water injection rate reaches preset single water filling magnitude, the controller control valve door is closed；
Second step, single heating, controller control heater heats the water purification being injected into boiler, while being arranged
Temperature sensor in boiler detects water temperature, after water temperature reaches the temperature upper limit of setting, the controller control
Heater processed stops heating；
Third step, repeatedly water filling and heating, are repeated several times the first step and second step, until the high water level in boiler detects sensing
When device detects the water level upper limit of water level arrival setting, the controller control Water filling valve is closed, and then controller control adds
Hot device stops heating after being heated to the water purification being injected into boiler the temperature upper limit of setting；
4th step, monitoring temperature, the temperature sensor inside boiler carries out water temperature to continue monitoring, when water temperature drop arrives
After the temperature upper limit value of setting, controller, which controls after heater is heated to the temperature upper limit set to the water purification in boiler, to stop
Only heat；
5th step, monitoring water level carry out the water level in boiler to continue monitoring, when water level decreasing to the water level lower limit of setting
When, control boiler stops externally water outlet, then returnes to first step cycle operation.
10. intelligence water purification heating means according to claim 9, which is characterized in that the single water filling magnitude is described
/ 10th of the boiler volume, the temperature upper limit differs 5 degrees Celsius with the temperature upper limit value.
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