CN104656477B - The electric power system and its control method of air-source water heater - Google Patents
The electric power system and its control method of air-source water heater Download PDFInfo
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- CN104656477B CN104656477B CN201410819990.1A CN201410819990A CN104656477B CN 104656477 B CN104656477 B CN 104656477B CN 201410819990 A CN201410819990 A CN 201410819990A CN 104656477 B CN104656477 B CN 104656477B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- Automation & Control Theory (AREA)
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of electric power system of air-source water heater, including：First controllable switch components；Master control borad control module including builtin voltage change-over circuit and main control chip, is changed to export the power end of the first dc source to main control chip when the first controllable switch components are in closure state to the alternating current being input into；Solar module for exporting the second dc source；Second controllable switch components；Voltage comparator circuit, when air-source water heater is in standby mode, if voltage comparator circuit judges the voltage of the second dc source more than or equal to reference voltage, voltage comparator circuit controls the second controllable switch components closure, and controls the first controllable switch components to disconnect.The electric power system is powered when air-source water heater is in standby mode by solar module, the stand-by power consumption of air-source water heater is reduced, while reducing the fault rate of air-source water heater.The invention also discloses a kind of control method of the electric power system of air-source water heater.
Description
Technical field
The present invention relates to air-source water heater technical field, the electric power system of more particularly to a kind of air-source water heater and
A kind of control method of the electric power system of air-source water heater.
Background technology
At present, the conventional power supply mode of household electrical appliance is as shown in figure 1, wherein, power module is using linear transformer or opens
Powered-down source.When household electrical appliance normal work, power module is that the monoblock mainboard assembly in household electrical appliance is powered, and is being connect
When receiving off signal or whole machine in standby wait predetermined set triggering, main control chip can enter standby mode or low-power consumption mould
Formula, now other peripheral circuits such as compressor control, air-blower control etc. will be switched off, only main control chip member-retaining portion function should
With such as receiving semiotic function, perform user preset set-up function, clocking capability, timed startup/shutdown function and temperature detection.
Due to the application characteristic and the application habit of user of air-source water heater itself so that air-source water heater needs
It is connected on power supply within 24 hours.Also, in order to obtain the heating efficiency and application function of maximum, air-source water heater is often used
Intelligent mode or setting time stage mode, to ensure air-source water heater proper temperature, whole machine COP in one day
(Coefficient Of Performance, heating energy efficiency ratio) the highest period works.
But, because the stand-by power consumption of power module is larger, in the power supply mode shown in Fig. 1, even if whole machine is in treating
Machine pattern or low-power consumption mode, air-source water heater still have hundreds of milliwatts to several watts of power attenuations not waited, for single family
For front yard, although only several kilowatts to tens kilowatts of the waste of a year, for a large number of users, the waste of a year
To be very high.
Further, since situations such as the uncontrollability of power grid environment, such as voltage pulsation, moment surge or thunderbolt, will be right
Master control board component being chronically in the air-source water heater of standby mode or low-power consumption mode etc. causes permanent infringement, increases
The fault rate of air-source water heater.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency.
Therefore, it is an object of the present invention to propose a kind of electric power system of air-source water heater, working as air energy thermal
When hydrophone is in standby mode, can be powered by solar module, so as to reduce the stand-by power consumption of air-source water heater, together
When can also reduce the fault rate of air-source water heater.
It is another object of the present invention to propose a kind of control method of the electric power system of air-source water heater.
To reach above-mentioned purpose, the electric power system of the air-source water heater that one aspect of the present invention embodiment is proposed, including：The
One controllable switch components, one end of first controllable switch components is connected with electrical input is exchanged；Master control borad control module, institute
Stating master control borad control module includes builtin voltage change-over circuit and main control chip, the builtin voltage change-over circuit and described first
The other end of controllable switch components is connected, and the builtin voltage change-over circuit is changed alternating current therethrough to export the
One dc source to the main control chip power end；Solar module, the solar module is used to export the
Two dc sources；Second controllable switch components, one end and the solar module of second controllable switch components
Output end is connected, and the other end of second controllable switch components is connected with the power end of the main control chip；Voltage ratio is more electric
Road, the input of the voltage comparator circuit is connected with the output end of the solar module, wherein, when the air energy
When water heater is in standby mode, if the voltage comparator circuit judges the voltage of second dc source more than or equal to ginseng
Voltage is examined, the voltage comparator circuit controls the second controllable switch components closure, and controls the first gate-controlled switch group
Part disconnects.
The electric power system of air-source water heater according to embodiments of the present invention, when air-source water heater is in mode of operation
When, the first controllable switch components are in closure state, and builtin voltage change-over circuit is changed with defeated alternating current therethrough
Go out the power end of the first dc source to main control chip, it is ensured that air-source water heater being capable of normal work.And work as air energy thermal water
When device is in standby mode, if voltage comparator circuit judges the voltage of the second dc source more than or equal to reference voltage, voltage
Comparison circuit controls the second controllable switch components closure, and controls the first controllable switch components to disconnect, now by solar cell
Module exports the second dc source and is powered to main control chip, so as to reduce the stand-by power consumption of air-source water heater, or even realizes
Standby zero-power-consumption.Simultaneously as first controllable switch components of control disconnect, it is to avoid because of the uncontrollability of alternating current being input into,
Such as influence of voltage pulsation, moment surge or thunderbolt to air-source water heater, so as to reduce the event of air-source water heater
Barrier rate.Additionally, the electric power system of embodiment of the present invention air-source water heater can be achieved with to only with voltage comparator circuit
The voltage of two dc sources is compared judgement, substantially increases circuit reliability, reduces erroneous judgement, also reduces cost.
According to one embodiment of present invention, when the air-source water heater is in the standby mode, if described
Voltage comparator circuit judges the voltage of second dc source less than the reference voltage, and the voltage comparator circuit controls institute
The disconnection of the second controllable switch components is stated, and controls first controllable switch components to close.
According to one embodiment of present invention, the electric power system of the air-source water heater also includes：3rd gate-controlled switch
Component, one end of the 3rd controllable switch components is connected with the output end of the solar module, and the described 3rd is controllable
The other end of switch module respectively with the input and one end phase of second controllable switch components of the voltage comparator circuit
Connect, wherein, when the air-source water heater is in mode of operation, the main control chip controls the 3rd controllable switch components
Disconnect.
According to one embodiment of present invention, the electric power system of the air-source water heater also includes：Delay switch circuit,
One end of the delay switch circuit is connected with the other end of the 3rd controllable switch components, the delay switch circuit it is another
One end is connected with the input of the voltage comparator circuit and one end of second controllable switch components respectively, and the time delay is opened
The power end on powered-down road is connected with the builtin voltage change-over circuit, and the delay switch circuit includes that timer and time delay are opened
Close.
According to one embodiment of present invention, wherein, when second controllable switch components are in closure state, described the
When one controllable switch components are off, the delay switch closure；Disconnected when second controllable switch components are in
When state, first controllable switch components are in closure state, the timer starts timing, and the delay switch disconnects.
According to one embodiment of present invention, the voltage comparator circuit is specifically included：First relay, described first after
The input that the first end of electrical equipment is connected as the voltage comparator circuit with the 3rd end of first relay, described first
Second end of relay is connected to second controllable switch components, and the normal-closed end of first relay is connected to described first
Controllable switch components；First diode, the negative electrode of first diode is connected with the 3rd end of first relay, described
The anode of the first diode is connected with the 4th end of first relay；First triode, the current collection of first triode
Pole is connected with the 4th end of first relay, the grounded emitter of first triode；First resistor, first electricity
One end of resistance is connected with the 3rd end of first relay, the base of the other end of the first resistor and first triode
Extremely it is connected；The second resistance and 3rd resistor of series connection, the 3rd end phase of one end of the second resistance and first relay
Even, the other end of the second resistance is connected with one end of the 3rd resistor, the other end of the second resistance and described the
The other end between one end of three resistance with first node, the 3rd resistor is grounded；4th resistance of series connection and the first electricity
Hold, the 4th resistance and the first capacitance connection of the series connection are between the base stage of the first node and first triode；
Voltage comparator, the first end of the voltage comparator is connected with the base stage of first triode, the voltage comparator
Reference voltage end is connected with the first node, the second end ground connection of the voltage comparator；Second triode, the described 2nd 3
The colelctor electrode of pole pipe is connected with the first end of the voltage comparator, the grounded emitter of second triode, described second
The base stage of triode is connected by the 5th resistance with time delay comparison control signal end.
According to one embodiment of present invention, the solar module includes solar panel, secondary battery unit
And power conversion unit, the solar panel be connected with the secondary battery unit with give the secondary battery unit charge, institute
State solar panel and return the power conversion unit and power, the secondary battery unit is used to be supplied to the power conversion unit
Electricity, the output end of the power conversion unit as the solar module output end.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of electric power system of air-source water heater
Control method, wherein, the electric power system of the air-source water heater is the air energy thermal water of first aspect present invention embodiment proposition
The electric power system of device, control method is comprised the following steps：Judge whether the main control chip receives off signal or control institute
State air-source water heater into the signal of low-power consumption mode；If it is determined that the main control chip receives off signal or control institute
Air-source water heater into the signal of low-power consumption mode is stated, controls the air-source water heater to enter standby mode；When the sky
When gas energy water heater is in the standby mode, if the voltage comparator circuit judges that the voltage of second dc source is big
In equal to reference voltage, the voltage comparator circuit controls the second controllable switch components closure, and control described first can
Control switch module disconnects.
The control method of the electric power system of air-source water heater according to embodiments of the present invention, first determines whether that main control chip is
It is no to receive off signal or control air-source water heater into the signal of low-power consumption mode, if it is determined that main control chip is received
Off signal or control air-source water heater enter the signal of low-power consumption mode, and control air-source water heater enters standby mode,
And when air-source water heater is in standby mode, if voltage comparator circuit judges that the voltage of the second dc source is more than
In reference voltage, voltage comparator circuit controls the second controllable switch components closure, and controls the first controllable switch components to disconnect, this
When, the second dc source is exported by solar module and is powered to main control chip, so as to reduce treating for air-source water heater
Machine power consumption, or even realize standby zero-power-consumption.Simultaneously as first controllable switch components of control disconnect, it is to avoid because of the friendship being input into
Flow the uncontrollability of electricity, such as influence of voltage pulsation, moment surge or thunderbolt to air-source water heater, so as to reduce sky
The fault rate of gas energy water heater.
According to one embodiment of present invention, when the air-source water heater is in the standby mode, if described
Voltage comparator circuit judges the voltage of second dc source less than the reference voltage, and the voltage comparator circuit controls institute
The disconnection of the second controllable switch components is stated, and controls first controllable switch components to close.
According to one embodiment of present invention, the electric power system also includes the 3rd controllable switch components and delay switch electricity
Road, one end of the delay switch circuit is connected with the other end of the 3rd controllable switch components, the delay switch circuit
The other end be connected with the input of the voltage comparator circuit and one end of second controllable switch components respectively, it is described to prolong
When on-off circuit power end be connected with the builtin voltage change-over circuit, the delay switch circuit include timer and time delay
Switch, wherein, it is off when second controllable switch components are in closure state, first controllable switch components
When, the delay switch closure；Be off when second controllable switch components, at first controllable switch components
When closure state, the timer starts timing, and the delay switch disconnects.
According to one embodiment of present invention, when the air-source water heater is in mode of operation, the main control chip
The 3rd controllable switch components are controlled to disconnect.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the conventional power supply block diagram of household electrical appliance；
Fig. 2A is the structured flowchart of the electric power system of the air-source water heater according to one embodiment of the invention；
Fig. 2 B are the structured flowchart of the electric power system of the air-source water heater according to another embodiment of the present invention；
Fig. 2 C are the structured flowchart of the electric power system of the air-source water heater according to another embodiment of the invention；
Fig. 3 is the schematic diagram of the voltage comparator circuit according to one embodiment of the invention；
Fig. 4 is power supply selection mode when mode of operation is according to the air-source water heater of one embodiment of the invention
Flow chart；
Fig. 5 is power supply selection mode when standby mode is according to the air-source water heater of one embodiment of the invention
Flow chart；And
Fig. 6 is the flow chart of the control method of the electric power system of the air-source water heater according to the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example is used for realizing different structure of the invention.For letter
Change disclosure of the invention, hereinafter the part and setting to specific examples are described.Certainly, they are only merely illustrative, and
Purpose does not lie in the limitation present invention.Additionally, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is again the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity.This
Outward, the invention provides various specific technique and material example, but those of ordinary skill in the art can be appreciated that
The use of the applicable property and/or other materials of other techniques.In addition, fisrt feature described below second feature it
" on " structure can include that the first and second features be formed as the embodiment of directly contact, it is also possible to including other feature shape
Into the embodiment between the first and second features, such first and second feature may not be directly contact.
In the description of the invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be mechanically connect or electrical connection, or two connections of element internal, can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
The electric power system and sky of the air-source water heater of proposition according to embodiments of the present invention described with reference to the accompanying drawings
The control method of the electric power system of gas energy water heater.
Fig. 2A is the structured flowchart of the electric power system of the air-source water heater according to one embodiment of the invention.Such as Fig. 2A institutes
Show, the electric power system of the air-source water heater includes：First controllable switch components 10, the second controllable switch components 20, master control borad
Control module 30, solar module 40, voltage comparator circuit 50.
Wherein, one end of the first controllable switch components 10 is connected with the input for exchanging electrical input such as AC220V.Master control
Plate control module 30 includes builtin voltage change-over circuit 301 and main control chip 302, and builtin voltage change-over circuit 301 and first can
The other end for controlling switch module 10 is connected, and builtin voltage change-over circuit 301 is changed alternating current therethrough to export the
One dc source to main control chip 302 power end.Solar module 40 is used to export the second dc source, and second is controllable
One end of switch module 20 is connected with the output end of solar module 40, the other end of the second controllable switch components 20 and master
The power end for controlling chip 302 is connected.The input of voltage comparator circuit 50 is connected with the output end of solar module 40, its
In, when air-source water heater is in standby mode, if voltage comparator circuit 50 judges that the voltage of the second dc source is more than
Equal to reference voltage, voltage comparator circuit 50 controls the second controllable switch components 20 to close, and controls the first controllable switch components
10 disconnect.
Also, according to one embodiment of present invention, when air-source water heater be in standby mode when, if voltage ratio compared with
Circuit 50 judges the voltage of the second dc source less than reference voltage, and voltage comparator circuit 50 controls the second controllable switch components 20
Disconnect, and control the first controllable switch components 10 to close.
Wherein it is possible to understand, it is in an embodiment of the present invention, main when air-source water heater is in mode of operation
Control chip 302 can export the time delay comparison control signal of high level signal to voltage comparator circuit 50 by a controlling switch
End so that the first controllable switch components 10 are in closure state, it is ensured that air-source water heater is powered by AC220V.
Specifically, voltage comparator circuit 50 realizes the voltage and ginseng of the second dc source of the output of solar module 40
Examine the comparing of voltage vcc.When air-source water heater is in standby mode, if the output of solar module 40 is second straight
The voltage for flowing power supply is more than or equal to the reference voltage Vcc such as standby minimums of main control chip 302, that is to say, that the sun
Can the power that provides of battery module 40 required power when disclosure satisfy that air-source water heater is in standby mode, then voltage ratio compared with
Circuit 50 controls the second controllable switch components 20 to close, and controls the first controllable switch components 10 to disconnect, now master control borad control
The standby power of module 30 is provided by solar module 40 so that the stand-by power consumption of air-source water heater is zero.
When air-source water heater is in standby mode, if the second dc source of the output of solar module 40
Voltage is less than the reference voltage Vcc such as standby minimums of main control chip 302, that is to say, that solar module 40
The power of offer can not meet air-source water heater and be in power required during standby mode, then voltage comparator circuit 50 is controlled
Second controllable switch components 20 are disconnected, and control first controllable switch components 10 to close, and now master control borad control module 30 is treated
Electromechanical source is provided by AC220V.
, wherein it is desired to explanation, can be set or stores reference voltage Vcc in main control chip.
Preferably, the first controllable switch components 10 can be auxiliary reclay on-off circuit, the second controllable switch components 20
It can be transistor switching circuit.
According to one embodiment of present invention, as shown in Figure 2 A, solar module 40 includes solar panel
401st, secondary battery unit 402 and power conversion unit 403, solar panel 401 are connected with to electric power storage with secondary battery unit 402
Pool unit 402 is charged, and solar panel 40 is returned power conversion unit 403 and powered, and secondary battery unit 402 is used to turn to power supply
Unit 403 is changed to power, the output end of power conversion unit 403 as solar module 40 output end.
Specifically, solar panel 401 converts light energy into electric energy and is filled to secondary battery unit 402 with exporting dc source
Electricity, while the dc source of output is additionally operable to be powered to power conversion unit 403.If the voltage of the dc source of output can not
Voltage needed for meeting power conversion unit 403, then export dc source to power conversion unit 403 by secondary battery unit 402
Power supply, so that the voltage of the second dc source of the output of power conversion unit 403 disclosure satisfy that air-source water heater is in
Required voltage during standby mode.
Wherein, power conversion unit 403 can use special electrical level transferring chip, and the electrical level transferring chip is with model wide
The characteristics of enclosing control source, output voltage stabilization, and according to main control chip 302 be in standby mode when required voltage difference
To select the electrical level transferring chip of different voltage class, to ensure the electricity of the second dc source that solar module 40 is exported
Pressure disclosure satisfy that air-source water heater is in voltage required during standby mode.
According to another embodiment of the invention, as shown in Figure 2 B, the electric power system of above-mentioned air-source water heater is also wrapped
Include the 3rd controllable switch components 60.One end of 3rd controllable switch components 60 is connected with the output end of solar module 40,
The other end of the 3rd controllable switch components 60 respectively with the input of voltage comparator circuit 50 and the second controllable switch components 20
One end is connected, wherein, when air-source water heater is in mode of operation, main control chip 302 controls the 3rd controllable switch components 60
Disconnect.
Specifically, operating circuit when master control borad control module 30 is air-source water heater normal work, it comprises sky
Every application circuit of gas energy water heater, wherein, signal receiving circuit 80 is provided when air-source water heater is in standby mode
The enable signal of main control chip 302 is waken up, master control is waken up in time in user's needs air-source water heater normal work to meet
Chip 302 enters normal operating conditions.
When air-source water heater is in mode of operation, i.e., signal receiving circuit 80 receives starting-up signal or performs normal
Work order, then send and enable signal to main control chip 302, and main control chip 302 exports the 3rd by output pin (GPIO) can
Control switch module control signal gives the 3rd controllable switch components 60, to control the 3rd controllable switch components 60 to disconnect so that the sun
Energy battery module 40 disconnects with voltage comparator circuit 50, while the first controllable switch components 10 are in closure state, it is ensured that air
During energy water heater normal work, the working power of master control borad control module 30 is provided by AC220V, so as to ensure that main control control
The reliability of the work of molding block 30, it is to avoid the control instability problem caused by the electricity shortage of solar module 40.
Preferably, the 3rd controllable switch components 60 can be the normally-closed circuit that metal-oxide-semiconductor or triode are constituted.
Further, according to one embodiment of present invention, as shown in figure 4, when air-source water heater is in mode of operation
Power supply selection mode comprise the following steps：
S101, receives starting-up signal or performs normal work instruction.
S102, air-source water heater is in mode of operation.
S103, the first controllable switch components 10 of control are closed.
S104, the 3rd controllable switch components 60 of control disconnect.
S105, the working power of master control borad control module 30 is provided by AC220V.
According to still another embodiment of the invention, as shown in Figure 2 C, the electric power system of above-mentioned air-source water heater is also wrapped
Include delay switch circuit 70.One end of delay switch circuit 70 is connected with the other end of the 3rd controllable switch components 60, and time delay is opened
The other end on powered-down road 70 is connected with the input of voltage comparator circuit 50 and one end of the second controllable switch components 20 respectively, prolongs
When on-off circuit 70 power end be connected with builtin voltage change-over circuit 301, delay switch circuit 70 include timer and time delay
Switch.
Wherein, according to one embodiment of present invention, when the second controllable switch components 20 are in closure state, first controllable
When switch module 10 is off, delay switch 70 is closed；Be off when the second controllable switch components 20, first
When controllable switch components 10 are in closure state, timer starts timing, and delay switch disconnects.
In an embodiment of the present invention, it is in order to avoid due to solar cell mould using the purpose of delay switch circuit 70
Block 40 output the second dc source voltage shake and cause the first controllable switch components 10 and the second controllable switch components
The situation of 20 frequent switchings.After air-source water heater is powered by solar energy module 40, after delay setting time t, just again
The first controllable switch components 10 and voltage comparator circuit 50 are connected, realizes that voltage compares differentiation again.
According to one embodiment of present invention, as shown in figure 3, voltage comparator circuit 50 specifically includes the first relay
RLY1, the first diode D1, the first triode Q1, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4,
One electric capacity C1, voltage comparator P1, the second triode Q2 and the 5th resistance R5.Wherein, the first end 1 of the first relay RLY1
The of the input Vi being connected as voltage comparator circuit 50 with the 3rd end 3 of the first relay RLY1, the first relay RLY1
Two ends 2 are connected to the second controllable switch components 20, and the normal-closed end of the first relay RLY1 is connected to the first controllable switch components 10.
The negative electrode of the first diode D1 is connected with the 3rd end 3 of the first relay RLY1, the anode and the first relay of the first diode D1
4th end 4 of device RLY1 is connected.The colelctor electrode of the first triode Q1 is connected with the 4th end 4 of the first relay RLY1, and the one or three
The grounded emitter GND of pole pipe Q1.One end of first resistor R1 is connected with the 3rd end 3 of the first relay RLY1, first resistor
The other end of R1 is connected with the base stage of the first triode Q1.Second resistance R2 and 3rd resistor R3 connects, and the one of second resistance R2
End is connected with the 3rd end 3 of the first relay RLY1, and the other end of second resistance R2 is connected with one end of 3rd resistor R3, and second
There is first node J1, the other end ground connection GND of 3rd resistor R3 between the other end of resistance R2 and one end of 3rd resistor R3.
4th resistance R4 and the first electric capacity C1 connects, and the 4th resistance R4 and the first electric capacity C1 of series connection are connected to first node J1 and first
Between the base stage of triode Q1.The first end 1 of voltage comparator P1 is connected with the base stage of the first triode Q1, voltage comparator P1
Reference voltage end be connected with first node J1, second end 2 of voltage comparator P1 ground connection GND.The current collection of the second triode Q2
Pole is connected with the first end 1 of voltage comparator P1, the grounded emitter GND of the second triode Q2, the base stage of the second triode Q2
It is connected with time delay comparison control signal end by the 5th resistance R5.
Specifically, when air-source water heater is in mode of operation, the first relay RLY1 does not work, now, air energy
Water heater is powered by AC220V.
When air-source water heater is in standby mode, if the second dc source of the output of solar module 40
When voltage is more than or equal to reference voltage Vcc, delay switch circuit 70 is in off position due to no working power, then prolong
When comparison control signal end output time delay comparison control signal be low level signal, now, the colelctor electrode of the second triode Q2
It is off with emitter stage, and the end 2 of first end 1 and second of voltage comparator P1 is also at off-state, so that
The base voltage for obtaining the first triode Q1 is more than emitter voltage, and the collector and emitter of the first triode Q1 is turned on, and first
Relay RLY1 is in running order, and second end 2 of the first relay RLY1 is connected with the second controllable switch components 20, and second can
Control switch module 20 is worked, and now, air-source water heater is powered by solar module 40.
When solar module 40 output the second dc source voltage be less than reference voltage Vcc when, voltage ratio compared with
The end 2 of first end 1 and second of device P1 is in the conduction state, and the base voltage of the first triode Q1 is pulled low, the first triode Q1
Disconnect, the first relay RLY1 loses the job voltage, normal-closed end and the phase of the first controllable switch components 10 of the first relay RLY1
Even, the first controllable switch components 10 are worked, and now, air-source water heater is powered by AC220V.Meanwhile, builtin voltage change-over circuit
301 also for delay switch circuit 70 provides power supply, when the time delay comparison control signal of the output of delay switch circuit 70 is high level
During signal, the collector and emitter of the second triode Q2 is in the conduction state, and delay switch circuit 70 initially enters time delay meter
When, after delay adjustmentses time t, set time delay comparison control signal is low level signal, and voltage comparator circuit 50 is compared again
Compared with.
When further, according to one embodiment of present invention, air-source water heater as shown in Figure 5 is in standby mode
Power supply selection mode is comprised the following steps：
S201, receives off signal or enters low-power consumption mode signal.
S202, air-source water heater is in standby mode.
S203, the 3rd controllable switch components 60 are closed.
S204, the set delay control signal of delay switch circuit 70 is low level signal.
Whether S205, judge the second DC voltage of the output of solar module 40 less than reference voltage Vcc.If
It is to perform step S206；If not, performing step S209.
S206, the first controllable switch components 10 are closed, and perform step S208.
S207, delay switch circuit 70 works, and is clocked into state, and delay control signal is high level signal, performs step
Rapid S209.
S208, air-source water heater is powered by AC220V.
S209, delay adjustmentses time t, return to step S204.
S210, the second controllable switch components 20 are closed.
S211, the first controllable switch components 10 disconnect.
S212, delay switch circuit 70 is lost the job power supply, and delay switch circuit 70 does not work, and delay control signal is low
Level signal.
S213, air-source water heater is powered by solar module 40.
In sum, the electric power system of air-source water heater according to embodiments of the present invention, when air-source water heater is in
During mode of operation, the first controllable switch components are in closure state, and builtin voltage change-over circuit carries out alternating current therethrough
Change to export the power end of the first dc source to main control chip, it is ensured that air-source water heater being capable of normal work.And when sky
When gas energy water heater is in standby mode, if voltage comparator circuit judges the voltage of the second dc source more than or equal to reference to electricity
Pressure, voltage comparator circuit controls the second controllable switch components closure, and controls the first controllable switch components to disconnect, now by the sun
Energy battery module exports the second dc source and is powered to main control chip, so as to reduce the stand-by power consumption of air-source water heater, very
To realizing standby zero-power-consumption.Simultaneously as first controllable switch components of control disconnect, it is to avoid because of the alternating current that is input into can not
Control property, such as influence of voltage pulsation, moment surge or thunderbolt to air-source water heater, so as to reduce air-source water heater
Fault rate.Additionally, the electric power system of embodiment of the present invention air-source water heater can be achieved with only with voltage comparator circuit
Voltage to the second dc source is compared judgement, substantially increases circuit reliability, reduces erroneous judgement, also reduces into
This.
Fig. 6 is the flow chart of the control method of the electric power system of the air-source water heater according to the embodiment of the present invention.Such as Fig. 6
It is shown, comprise the following steps：
S1, judges whether main control chip receives off signal or control air-source water heater enters the letter of low-power consumption mode
Number.
S2, if it is determined that main control chip receives off signal or control air-source water heater enters the letter of low-power consumption mode
Number, control air-source water heater enters standby mode.
S3, when air-source water heater is in standby mode, if voltage comparator circuit judges the electricity of the second dc source
Pressure is more than or equal to reference voltage, and voltage comparator circuit controls the second controllable switch components closure, and controls the first gate-controlled switch group
Part disconnects.
According to one embodiment of present invention, when air-source water heater is in standby mode, if voltage comparator circuit
The voltage of the second dc source is judged less than reference voltage, and voltage comparator circuit controls the second controllable switch components to disconnect, and controls
Make the first controllable switch components closure.
According to one embodiment of present invention, electric power system also includes the 3rd controllable switch components and delay switch circuit,
One end of delay switch circuit is connected with the other end of the 3rd controllable switch components, the other end of delay switch circuit respectively with electricity
The input of comparison circuit and one end of the second controllable switch components is pressed to be connected, the power end and builtin voltage of delay switch circuit
Change-over circuit is connected, and delay switch circuit includes timer and delay switch.Wherein, when the second controllable switch components are in closure
When state, the first controllable switch components are off, delay switch closure；Shape is disconnected when the second controllable switch components are in
When state, the first controllable switch components are in closure state, timer starts timing, and delay switch disconnects.
Specifically, as shown in figure 5, first determining whether whether main control chip receives off signal or control air-source water heater
Into the signal of low-power consumption mode, if receiving off signal or control air-source water heater into the letter of low-power consumption mode
Number, then air-source water heater enters standby mode.
When air-source water heater is in standby mode, if voltage comparator circuit judges solar module output
The voltage of the second dc source is more than or equal to the reference voltage Vcc standby minimums of such as main control chip, that is to say, that too
It is positive can the power that provides of battery module disclosure satisfy that air-source water heater is in power required during standby mode, then voltage ratio compared with
Circuit controls the second controllable switch components closure, and controls the first controllable switch components to disconnect, and delay switch circuit is lost the job
Power supply, delay switch closure, now air-source water heater is powered by solar module 40 so that air-source water heater is treated
Machine power consumption is zero.
When air-source water heater is in standby mode, if voltage comparator circuit judges solar module output
The voltage of the second dc source is less than the reference voltage Vcc standby minimums of such as main control chip, that is to say, that solar energy
The power that battery module is provided can not meet air-source water heater and be in power required during standby mode, then voltage ratio is more electric
Road controls the second controllable switch components to disconnect, and controls the first controllable switch components closure, and delay switch circuit timer resets,
Now air-source water heater is powered by AC220V.Meanwhile, delay switch circuit initially enters time delay timing, delay adjustmentses time t
Afterwards, delay switch closure, voltage comparator circuit is compared again.
According to one embodiment of present invention, when air-source water heater is in mode of operation, main control chip control the 3rd
Controllable switch components disconnect.
Specifically, as shown in figure 4, when air-source water heater be in mode of operation when, if now user needs air energy
When water heater is in mode of operation, that is, when receiving starting-up signal or performing normal work instruction, main control chip is drawn by output
Pin (GPIO) exports the 3rd controllable switch components control signal to the 3rd controllable switch components, to control the 3rd controllable switch components
Disconnect so that solar module disconnects with voltage comparator circuit, while the first controllable switch components closure is controlled, so as to protect
Powered by AC220V when having demonstrate,proved air-source water heater normal work, it is ensured that the reliability of air-source water heater work, it is to avoid because
The control instability problem that solar module electricity shortage is caused.
The control method of the electric power system of air-source water heater according to embodiments of the present invention, first determines whether that main control chip is
It is no to receive off signal or control air-source water heater into the signal of low-power consumption mode, if it is determined that main control chip is received
Off signal or control air-source water heater enter the signal of low-power consumption mode, and control air-source water heater enters standby mode,
And when air-source water heater is in standby mode, if voltage comparator circuit judges that the voltage of the second dc source is more than
In reference voltage, voltage comparator circuit controls the second controllable switch components closure, and controls the first controllable switch components to disconnect, this
When, the second dc source is exported by solar module and is powered to main control chip, so as to reduce treating for air-source water heater
Machine power consumption, or even realize standby zero-power-consumption.Simultaneously as first controllable switch components of control disconnect, it is to avoid because of the friendship being input into
Flow the uncontrollability of electricity, such as influence of voltage pulsation, moment surge or thunderbolt to air-source water heater, so as to reduce sky
The fault rate of gas energy water heater.
Any process described otherwise above or method description in flow chart or herein is construed as, and expression includes
It is one or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussion suitable
Sequence, including function involved by basis by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list of the executable instruction for realizing logic function, in may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or with reference to these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
The dress that defeated program is used for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With the electricity that one or more are connected up
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can thereon print described program or other are suitable
Medium, because optical scanner for example can be carried out by paper or other media, then enters edlin, interpretation or if necessary with it
His suitable method is processed electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In implementation method, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.If for example, realized with hardware, and in another embodiment, can be with well known in the art
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
The rapid hardware that can be by program to instruct correlation is completed, and described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, during each functional unit in each embodiment of the invention can be integrated in a processing module, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit is to realize in the form of software function module and as independent production marketing or when using, it is also possible to which storage is in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (10)
1. a kind of electric power system of air-source water heater, it is characterised in that including：
First controllable switch components, one end of first controllable switch components is connected with electrical input is exchanged；
Master control borad control module, the master control borad control module includes builtin voltage change-over circuit and main control chip, the inside
Voltage conversion circuit is connected with the other end of first controllable switch components, and the builtin voltage change-over circuit will be therethrough
Alternating current is changed to export the power end of the first dc source to the main control chip；
Solar module, the solar module is used to export the second dc source；
Second controllable switch components, one end of second controllable switch components and the output end phase of the solar module
Even, the other end of second controllable switch components is connected with the power end of the main control chip；
Voltage comparator circuit, the input of the voltage comparator circuit is connected with the output end of the solar module, its
In, when the air-source water heater is in standby mode, if the voltage comparator circuit judges second dc source
Voltage be more than or equal to reference voltage, the voltage comparator circuit controls the second controllable switch components closure, and controls institute
State the disconnection of the first controllable switch components；
3rd controllable switch components, one end of the 3rd controllable switch components and the output end phase of the solar module
Even；
Delay switch circuit, one end of the delay switch circuit is connected with the other end of the 3rd controllable switch components, institute
State the other end of delay switch circuit respectively with the input of the voltage comparator circuit and second controllable switch components
One end is connected, and the power end of the delay switch circuit is connected with the builtin voltage change-over circuit, the delay switch circuit
Including timer and delay switch.
2. the electric power system of air-source water heater as claimed in claim 1, it is characterised in that at the air-source water heater
When the standby mode, if the voltage comparator circuit judges the voltage of second dc source less than the reference electricity
Pressure, the voltage comparator circuit controls second controllable switch components to disconnect, and controls first controllable switch components to close
Close.
3. the electric power system of air-source water heater as claimed in claim 1, it is characterised in that wherein, when the air energy thermal
When hydrophone is in mode of operation, the main control chip controls the 3rd controllable switch components to disconnect.
4. the electric power system of air-source water heater as claimed in claim 1, it is characterised in that wherein,
When second controllable switch components are in closure state, first controllable switch components to be off, institute
State delay switch closure；
Be off when second controllable switch components, when first controllable switch components are in closure state, institute
State timer and start timing, the delay switch disconnects.
5. the electric power system of air-source water heater as claimed in claim 1, it is characterised in that the voltage comparator circuit is specific
Including：
First relay, the first end of first relay is connected as the voltage with the 3rd end of first relay
The input of comparison circuit, the second end of first relay is connected to second controllable switch components, described first after
The normal-closed end of electrical equipment is connected to first controllable switch components；
First diode, the negative electrode of first diode is connected with the 3rd end of first relay, the one or two pole
The anode of pipe is connected with the 4th end of first relay；
First triode, the colelctor electrode of first triode is connected with the 4th end of first relay, and the described 1st
The grounded emitter of pole pipe；
First resistor, one end of the first resistor is connected with the 3rd end of first relay, the first resistor it is another
One end is connected with the base stage of first triode；
The second resistance and 3rd resistor of series connection, one end of the second resistance are connected with the 3rd end of first relay,
The other end of the second resistance is connected with one end of the 3rd resistor, the other end of the second resistance and the described 3rd electricity
The other end between one end of resistance with first node, the 3rd resistor is grounded；
4th resistance and the first electric capacity of series connection, the 4th resistance and the first capacitance connection of the series connection the first node with
Between the base stage of first triode；
Voltage comparator, the first end of the voltage comparator is connected with the base stage of first triode, the voltage ratio compared with
The reference voltage end of device is connected with the first node, the second end ground connection of the voltage comparator；
Second triode, the colelctor electrode of second triode is connected with the first end of the voltage comparator, and the described 2nd 3
The grounded emitter of pole pipe, the base stage of second triode is connected by the 5th resistance with time delay comparison control signal end.
6. the electric power system of the air-source water heater as any one of claim 1-5, it is characterised in that the solar energy
Battery module includes solar panel, secondary battery unit and power conversion unit, the solar panel and the electric power storage
Pool unit is connected and charged with to the secondary battery unit, and the solar panel is returned the power conversion unit and powered, institute
Secondary battery unit is stated for being powered to the power conversion unit, the output end of the power conversion unit is used as the solar energy
The output end of battery module.
7. a kind of control method of the electric power system of air-source water heater as claimed in claim 1, it is characterised in that including with
Lower step：
Judge whether the main control chip receives off signal or control the air-source water heater to enter low-power consumption mode
Signal；
If it is determined that the main control chip receives off signal or controls the air-source water heater to enter low-power consumption mode
Signal, controls the air-source water heater to enter standby mode；
When the air-source water heater is in the standby mode, if the voltage comparator circuit judges second direct current
The voltage of power supply is more than or equal to reference voltage, and the voltage comparator circuit controls the second controllable switch components closure, and controls
First controllable switch components are made to disconnect.
8. the control method of the electric power system of air-source water heater as claimed in claim 7, it is characterised in that when the air
When energy water heater is in the standby mode, if the voltage comparator circuit judges that the voltage of second dc source is less than
The reference voltage, the voltage comparator circuit controls second controllable switch components to disconnect, and controls described first controllable
Switch module is closed.
9. the control method of the electric power system of air-source water heater as claimed in claim 6, it is characterised in that wherein,
When second controllable switch components are in closure state, first controllable switch components to be off, institute
State delay switch closure；
Be off when second controllable switch components, when first controllable switch components are in closure state, institute
State timer and start timing, the delay switch disconnects.
10. the control method of the electric power system of air-source water heater as claimed in claim 9, it is characterised in that when the sky
When gas energy water heater is in mode of operation, the main control chip controls the 3rd controllable switch components to disconnect.
Priority Applications (1)
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| CN201410819990.1A CN104656477B (en) | 2014-12-24 | 2014-12-24 | The electric power system and its control method of air-source water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410819990.1A CN104656477B (en) | 2014-12-24 | 2014-12-24 | The electric power system and its control method of air-source water heater |
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| CN104656477B true CN104656477B (en) | 2017-06-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104917238B (en) * | 2015-06-10 | 2017-07-04 | 西安海导信息技术有限公司 | Method, device and smart machine that control device is powered |
| CN107513972B (en) * | 2017-07-04 | 2020-07-31 | 长沙普罗科环境装备有限责任公司 | Cleaning vehicle waterway system control method, controller, system and cleaning vehicle |
| CN111208751A (en) * | 2019-10-30 | 2020-05-29 | 浙江苏泊尔家电制造有限公司 | Control method of cooking appliance and cooking appliance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201142585Y (en) * | 2007-11-28 | 2008-10-29 | 叶明祥 | Solar power supply |
| CN201173551Y (en) * | 2008-02-20 | 2008-12-31 | 珠海格力电器股份有限公司 | Air conditioner controller and air conditioning system thereof |
| CN201302086Y (en) * | 2008-11-25 | 2009-09-02 | 叶超 | A power supply system with double power sources for LED street lamp |
| CN203629019U (en) * | 2013-12-13 | 2014-06-04 | 广东志高空调有限公司 | Hybrid electric water heater |
| CN103973106A (en) * | 2013-01-30 | 2014-08-06 | 仁宝电脑工业股份有限公司 | Power supply system with pulse signal generator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59134453A (en) * | 1983-01-20 | 1984-08-02 | Matsushita Electric Ind Co Ltd | Solar heat water heater combined with space heater |
-
2014
- 2014-12-24 CN CN201410819990.1A patent/CN104656477B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201142585Y (en) * | 2007-11-28 | 2008-10-29 | 叶明祥 | Solar power supply |
| CN201173551Y (en) * | 2008-02-20 | 2008-12-31 | 珠海格力电器股份有限公司 | Air conditioner controller and air conditioning system thereof |
| CN201302086Y (en) * | 2008-11-25 | 2009-09-02 | 叶超 | A power supply system with double power sources for LED street lamp |
| CN103973106A (en) * | 2013-01-30 | 2014-08-06 | 仁宝电脑工业股份有限公司 | Power supply system with pulse signal generator |
| CN203629019U (en) * | 2013-12-13 | 2014-06-04 | 广东志高空调有限公司 | Hybrid electric water heater |
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