CN104792023B - The control system and control method of water heater - Google Patents
The control system and control method of water heater Download PDFInfo
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- CN104792023B CN104792023B CN201510205715.5A CN201510205715A CN104792023B CN 104792023 B CN104792023 B CN 104792023B CN 201510205715 A CN201510205715 A CN 201510205715A CN 104792023 B CN104792023 B CN 104792023B
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Abstract
The invention discloses a kind of control system of water heater and control method, the control system of the water heater includes：Blowdown trigger element；Main control unit, the main control unit is connected with the blowdown trigger element, control the blowoff valve of the water heater to open and control the water intaking valve of the water heater to close when the main control unit receives the blowdown signal of the blowdown trigger element, control the blowoff valve of the water heater to close when the main control unit does not receive the blowdown signal of the blowdown trigger element；Blowdown process Tip element, the blowdown process Tip element is connected with the main control unit, and the main control unit controls the blowoff valve of the water heater to open and controls the blowdown process Tip element to send blowdown when controlling the water intaking valve of the water heater to close and prompted.The control system of water heater according to embodiments of the present invention has the advantages that to make the blowdown of water heater more to facilitate, the automaticity of raising water heater.
Description
This case be Application No. 201310202476.9, the applying date be on 05 27th, 2013, invention and created name be " heat
The divisional application of the control system and control method of hydrophone ".
Technical field
The present invention relates to field of household appliances, the controlling party of control system and water heater in particular to a kind of water heater
Method.
Background technology
During the use of storage-type electric water heater, its inner bag is chronically at water-filled state.Due to various regions water quality
Difference, it is easy to inside the inner bag of the storage-type electric water heater precipitate dirt, not only influences water quality, also have impact on internal heating element
The thermal efficiency.Therefore, storage-type electric water heater needs timing that the sewage in its inner bag is discharged and cleaned in use.
Existing storage-type electric water heater discharged more than water or cleaning when, it is necessary to water storage will be arranged at by specific purpose tool by professional
Mudhole bolt outside formula water heater is opened, and the magnesium rod being fixed in inner bag is disassembled, could carry out draining.Above-mentioned
Drainage pattern workload is big, operation is complex, it is necessary to professional person could operate, and is not easy to user's self-cleaning and maintenance.
Some water heaters set blowdown apparatus, but need control water intaking valve and blowoff valve manually respectively, and automaticity is relatively low, using rising
Not being very convenient.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, one object of the present invention
It is to propose a kind of control system for the automaticity that the blowdown of water heater can be made more to facilitate, improve water heater.
It is another object of the present invention to propose a kind of control method of water heater.
To achieve the above object, the first aspect of the present invention proposes a kind of control system of water heater, the water heater
Control system includes：Blowdown trigger element；Main control unit, the main control unit is connected with the blowdown trigger element, when described
Main control unit controls the blowoff valve of the water heater to open and controls institute when receiving the blowdown signal of the blowdown trigger element
The water intaking valve for stating water heater is closed, and institute is controlled when the main control unit does not receive the blowdown signal of the blowdown trigger element
The blowoff valve for stating water heater is closed；Blowdown process Tip element, the blowdown process Tip element are connected with the main control unit,
When the main control unit controls the blowoff valve of the water heater to open and controls the water intaking valve of the water heater to close described in control
Blowdown process Tip element sends blowdown and prompted.
The control system of water heater according to embodiments of the present invention by set the blowdown trigger element and with the row
The connected main control unit of dirty trigger element, the blowdown letter of the blowdown trigger element can be received in the main control unit
The blowoff valve of the water heater is controlled to open after number, so that the sewage in the water storage cavity is discharged by the blowdown apparatus, together
When control the closing of water intaking valve of the water heater to be emptied with the sewage ensured in the water storage cavity of the water heater.It is and described
Main control unit can control the blowoff valve of the water heater to close when not receiving the blowdown signal of the blowdown trigger element, make
Hot water in the water storage cavity will not discharge with saving water resource from the blowdown apparatus and ensure that the normal of the water heater makes
With.That is, it is not necessary to user individually controls the blowoff valve of the water heater and the water intaking valve of the water heater, the heat
The control system of hydrophone can realize the water heater sewage automatic-discharging and sewage emptying after valve-closing, can so make
The use of the water heater more facilitates, is more quick, more saving, and provides the user more cleaning, the bath water of health.
Therefore, the control system of water heater according to embodiments of the present invention, which has, can make the blowdown of water heater more facilitate, improve heat
The advantages that automaticity of hydrophone.
In addition, following additional technical feature is also had according to the control system of the water heater of the present invention：
According to one embodiment of present invention, the control system of the water heater also includes blowdown alarm unit, the row
Dirty alarm unit is connected with the main control unit, when the working time of the water heater reaching default blowing time, the master
Control unit controls the blowdown alarm unit to send blowdown warning.It is possible thereby to the use of the water heater is set more to facilitate, more
Add hommization.
According to one embodiment of present invention, the control system of the water heater also includes being used to detect the water heater
The water amount of blowdown detection unit of water surplus in water storage cavity, the water amount of blowdown detection unit are connected with the main control unit, when
When the main control unit controls the blowoff valve of the water heater to open and controls the water intaking valve of the water heater to close, if described
Water amount of blowdown detection unit detects that the water surplus in the water storage cavity of the water heater are zero, then described in the main control unit control
Blowdown process Tip element sends blowdown and finishes prompting.It is possible thereby to further improve the facility used of the water heater
Property.
According to one embodiment of present invention, when the main control unit controls the blowoff valve of the water heater to open and controls
When the water intaking valve of the water heater is closed, if the water heater powers off, the main control unit controls the row of the water heater
Dirty valve is closed.It is possible thereby to make the performance of the water heater more stable, reliable.
According to one embodiment of present invention, the control system of the water heater also includes power-fail memory function unit, described disconnected
Electric mnemon is connected with the main control unit, and when the water heater powers off, the power-fail memory function unit stores the master control list
Working condition before member power-off, when the water heater connects electricity again, the main control unit recovers the power-fail memory function unit storage
Working condition before the main control unit power-off deposited.It is possible thereby to further improve the performance of the water heater stability and
Reliability.
According to one embodiment of present invention, the control system of the water heater also includes blowdown valve control unit, VCU and water inlet
Valve control unit, VCU, the main control unit are connected with the blowdown valve control unit, VCU and control institute by the blowdown valve control unit, VCU
The switch of the blowoff valve of water heater is stated, the main control unit is connected and by the water intaking valve control with the water inlet valve control unit, VCU
Unit processed controls the switch of the water intaking valve of the water heater.It can so make the main control unit more convenient, fast, stably
Control the blowoff valve of the water heater and the water intaking valve of the water heater.
The second aspect of the present invention proposes a kind of control method of water heater, and the control method of the water heater is including following
Step：A) judge whether to receive blowdown signal；B) if it is, controlling described in the blowoff valve opening of the water heater and control
The water intaking valve of water heater is closed, and is controlled the water heater to send blowdown and prompted；If it is not, then control the water heater
Blowoff valve is closed.
The control method of water heater according to embodiments of the present invention can realize the sewage automatic-discharging and sewage of water heater
Valve-closing after emptying, the use of water heater can be made more to facilitate, be more quick, more saved, provided the user more clear
Clean, hygienic bath water, having can make the more convenient, automaticity of raising water heater of the blowdown of water heater etc. excellent
Point.
According to one embodiment of present invention, when the working time of the water heater reaching default blowing time, control
The water heater sends blowdown warning.Can so realize periodically reminds user to carry out blowdown, makes the use of the water heater more
Add convenience, more hommization.
According to one embodiment of present invention, when the blowoff valve of the water heater is opened and the water intaking valve of the water heater closes
When closing, the water surplus in the water storage cavity of the water heater are detected, if the water surplus in the water storage cavity of the water heater are zero,
Control the water heater to send blowdown and finish prompting.It is possible thereby to further improve the facility used of the water heater
Property.
According to one embodiment of present invention, when the water heater blowoff valve is opened and the Water intaking valve of water heater is closed
When, if the water heater powers off, control the blowoff valve of the water heater to close.It is possible thereby to make the performance of the water heater
It is more stable, reliable.
According to one embodiment of present invention, the work shape before the water heater power-off is stored when the water heater powers off
State, the water heater is controlled to recover the working condition before the water heater power-off of storage when the water heater connects electricity again.
It is possible thereby to further improve the stability and reliability of the performance of the water heater.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structural representation of water heater；
Fig. 2 is the structural representation of the control system of water heater according to embodiments of the present invention；
Fig. 3 is the flow chart of the control method of water heater according to embodiments of the present invention.
Water heater 1, the blowoff valve 10 of water heater 1, the water intaking valve 20 of water heater 1, water inlet pipe 40, blowdown apparatus 50, water storage
Chamber 60；
The control system 30 of water heater 1, blowdown trigger element 100, main control unit 200, blowdown alarm unit 300, blowdown
Process Tip element 400, water amount of blowdown detection unit 500, power-fail memory function unit 600, blowdown valve control unit, VCU 700, water intaking valve
Control unit 800, general operation unit 900, water temperature detection unit 1000, power supply unit 1100, non-water discharge time Tip element
1200th, water detection unit 1300, universal control unit 1400.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint are relative
Importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be with bright
Show or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " contain
Justice is two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In order to make it easy to understand, the structure of water heater 1 is described with reference first to Fig. 1.As shown in figure 1, water heater 1 be provided be used for
Water storage cavity 60 conveys the water inlet pipe 40 of cold water and the blowdown apparatus 50 for the sewage in water storage cavity 60 to be discharged, on water inlet pipe 40
Water intaking valve 20 provided with the break-make for controlling water inlet pipe 40, blowdown apparatus 50 are provided with the break-make for control of sewage disposal device 50
Blowoff valve 10.
The control system 30 of water heater 1 according to embodiments of the present invention is described below with reference to Fig. 2.As shown in figure 1, according to this
The control system 30 of the water heater 1 of inventive embodiments includes blowdown trigger element 100 and main control unit 200.
Main control unit 200 is connected with blowdown trigger element 100, when main control unit 200 receives blowdown trigger element 100
The blowoff valve 10 of blowdown signal time control heat water producer 1 is opened and controls the water intaking valve 20 of water heater 1 to close, when main control unit 200
The blowoff valve 10 for not receiving the blowdown signal time control heat water producer 1 of blowdown trigger element 100 is closed.
The control system 30 of water heater 1 according to embodiments of the present invention is by setting blowdown trigger element 100 and and blowdown
The connected main control unit 200 of trigger element 100, the blowdown signal of blowdown trigger element 100 can be received in main control unit 200
Control the blowoff valve 10 of water heater 1 to open afterwards, so that the sewage in water storage cavity 60 is discharged by blowdown apparatus 50, while control heat
The closing of the water intaking valve 20 of hydrophone 1 can be emptied with the sewage ensured in water storage cavity 60.And main control unit 200 does not receive blowdown
The blowoff valve 10 of water heater 1 can be controlled to close during the blowdown signal of trigger element 100, make hot water in water storage cavity 60 will not be from
The normal use of water heater 1 is discharged with saving water resource and ensured to blowdown apparatus 50.That is, it is not necessary to user is individually controlled
The blowoff valve 10 of heat water producer 1 and the water intaking valve 20 of water heater 1, the control system 30 of water heater 1 can realize the dirt of water heater 1
Valve-closing after water automatic-discharging and sewage emptying, the use of water heater 1 can so more facilitated, be more quick, more
Energy-conservation, provide the user more cleaning, the bath water of health.Therefore, the control system of water heater 1 according to embodiments of the present invention
System 30 has the advantages that to make the blowdown of water heater more to facilitate, the automaticity of raising water heater.
Specifically, blowdown trigger element 100 can be blowdown button, and when user presses down blow button, blowdown button is to master
Control unit 200 sends blowdown signal.
Alternatively, can be with time control hot water when main control unit 200 does not receive the blowdown signal of blowdown trigger element 100
The water intaking valve 20 of device 1 is opened so that cold water enters water storage cavity 60 by water inlet pipe 40.It is possible thereby to realize the work(for rinsing water storage cavity 60
Energy.Specifically, the sewage in water storage cavity 60 close to it is drained or drained when, can discontinuously trigger blowdown trigger element 100, make row
Dirty trigger element 100 it is interrupted send blowdown signal, so blowdown, water inlet, blowdown continuously can be carried out to water storage cavity 60..Follow
Ring is operated, and water storage cavity 60 is rinsed so as to realize.
Wherein, as shown in Fig. 2 the control system 30 of water heater 1 can also include blowdown valve control unit, VCU 700 and water intaking valve
Control unit 800, blowdown valve control unit, VCU 700 can be connected with the blowoff valve 10 of water heater 1, and water inlet valve control unit, VCU 800 can
It is connected with the water intaking valve 20 with water heater 1, main control unit 200 can be connected with 700 yuan of blowdown valve control unit, VCU and main control unit
200 can control the switch of the blowoff valve 10 of water heater 1 by blowdown valve control unit, VCU 700, and main control unit 200 can be with water inlet
Valve control unit, VCU 800 is connected and main control unit 200 can control the water intaking valve 20 of water heater 1 by valve control unit, VCU 800 of intaking
Switch.Can so make main control unit 200 it is more convenient, fast, stably control water heater 1 blowoff valve 10 and water heater
1 water intaking valve 20.
Fig. 2 shows the control system 30 of the water heater 1 according to a specific embodiment of the invention.As shown in Fig. 2 hot water
The control system 30 of device 1 can also include blowdown alarm unit 300, and blowdown alarm unit 300 can be with the phase of main control unit 200
Even, when the working time of water heater 1 reaching default blowing time, main control unit 200 can be single with control of sewage disposal alarm unit 300
Member sends blowdown warning.Specifically, the default blowing time can be by user's sets itself, and blowdown alarm unit 300 can be with
For blowdown warning lamp, represent to send blowdown warning when blowdown warning lamp lights.So water heater 1 needs blowdown using certain time
When blowdown alarm unit 300 can send blowdown warning, you can periodically remind user to carry out blowdown to realize, it is possible thereby to make hot water
The use of device 1 is more convenient, more hommization.
Advantageously, as shown in Fig. 2 the control system 30 of water heater 1 can also include blowdown process Tip element 400, row
Dirty process Tip element 400 can be connected with main control unit 200, main control unit 200 control water heater 1 blowoff valve 10 open and
The water intaking valve 20 of control water heater 1 can send blowdown with control of sewage disposal process Tip element 400 when closing and be prompted.Change speech
It, when water heater 1 carries out blowdown, blowdown process Tip element 400 can send blowdown and be prompted, to prompt user's blowdown just
It is underway.The convenience used of water heater 1 so can be further improved with real-time display blowdown process.
More advantageously, as shown in Fig. 2 the control system 30 of water heater 1 can also include being used for the storage for detecting water heater 1
The water amount of blowdown detection unit 500 of water surplus in water cavity 60, water amount of blowdown detection unit 500 can be with the phases of main control unit 200
Even, when main control unit 200 controls the blowoff valve 10 of water heater 1 to open and controls the water intaking valve 20 of water heater 1 to close, if row
Sewage amount detection unit 500 detects that the water surplus in the water storage cavity 60 of water heater 1 are zero, then main control unit 200 can control
Blowdown process Tip element 400 sends blowdown and finishes prompting.Specifically, when water heater 1 carries out blowdown, water amount of blowdown detection is single
Member 500 detects the water surplus in water storage cavity 60, when it is zero that water amount of blowdown detection unit 500, which detects the water surplus of water storage cavity 60,
Then represent that the blowdown of water heater 1 finishes, now the control of sewage disposal process Tip element 400 of main control unit 200, which sends blowdown and finished, carries
Show, to prompt user that blowdown has been completed.It is possible thereby to further improve the convenience used of water heater 1.
Wherein, blowdown process Tip element 400 can be blowdown process warning light, can when blowdown process warning light lights
To represent that blowdown is carried out, it can represent that blowdown is completed when blowdown process warning light flashes.Blowdown process Tip element 400
Can also be the prompting device that vision engages with sound, when carrying out blowdown, blowdown process Tip element 400 can flash, and
When blowdown is completed, blowdown process Tip element 400 can flash and send buzzing.
Fig. 2 shows the control system 30 of the water heater 1 according to a specific example of the invention.As shown in Fig. 2 work as master control
When unit 200 controls the blowoff valve 10 of water heater 1 to open and controls the water intaking valve 20 of water heater 1 to close, if water heater 1 is disconnected
Electricity, then main control unit 200 blowoff valve 10 of water heater 1 can be controlled to close.That is, when water heater 1 carries out blowdown, such as
Fruit runs into the fortuitous events such as power-off, then main control unit 200 can control the blowoff valve 10 of water heater 1 to close to stop blowdown.By
This can make the performance of water heater 1 more stable, reliable.
Further, as shown in Fig. 2 the control system 30 of water heater 1 can also include power-fail memory function unit 600, power-off
Mnemon 600 can be connected with main control unit 200, and when water heater 1 powers off, power-fail memory function unit 600 can store master control list
Working condition before the power-off of member 200, when water heater 1 connects electricity again, main control unit 200 can recover power-fail memory function unit 600
Working condition before the power-off of main control unit 200 of storage.In other words, when water heater 1 runs into the fortuitous event such as power-off suddenly, break
Electric mnemon 600 can record the water intaking valve of the blowoff valve 10 of control water heater 1 and water heater 1 before main control unit 200 powers off
20 on off state, the Information recovering water heater 1 that main control unit 200 can store according to power-fail memory function unit 600 after incoming call
On off state before the power-off of the water intaking valve 20 of blowoff valve 10 and water heater 1, so that water heater 1 after connecing electricity again before power-off is recovered
Water inlet or blowdown work.It is possible thereby to further improve the stability and reliability of the performance of water heater 1.
In one embodiment of the invention, the control system 30 of water heater 1 can also include general operation unit 900,
Main control unit 200 can be connected with general operation unit 900, and user can adjust water storage by operating general operation unit 900
Water temperature in chamber 60.
Alternatively, the control system 30 of water heater 1 can also include being used for the water temperature inspection for detecting the water temperature in water storage cavity 60
Unit 1000 is surveyed, main control unit 200 can be connected with water temperature detection unit 1000, it is possible thereby to utilize water temperature detection unit 1000
The temperature of water in detection user water storage cavity 60 in real time.
Certainly, control system 30 can also include being used for the power supply unit 1100 for powering to main control unit 200, with more square
Just, stably powered to main control unit 200.In addition, the control system 30 of water heater 1 can also include respectively with main control unit
200 connected non-water discharge time Tip elements 1200, water detection unit 1300 and universal control unit 1400 are existing to realize
The function of water heater.
The control method of water heater 1 according to embodiments of the present invention, the control method of water heater 1 are described below with reference to Fig. 3
Comprise the following steps：
A) judge whether to receive blowdown signal；With
B) if it is, the blowoff valve 10 of control water heater 1 is opened and controls the water intaking valve 20 of water heater 1 to close；If
It is no, then control the blowoff valve 10 of water heater 1 to close.
The control method of water heater 1 according to embodiments of the present invention can realize sewage automatic-discharging and the dirt of water heater 1
Valve-closing after water emptying, the use of water heater 1 can be made more to facilitate, be more quick, more saved, provided the user more
Cleaning, the bath water of health, having can make the more convenient, automaticity of raising water heater of the blowdown of water heater etc. excellent
Point.
Alternatively, can be opened when not receiving blowdown signal with the water intaking valve 20 of time control water heater 1.It is it is possible thereby to real
Now rinse the function of water storage cavity 60.Specifically, the sewage in water storage cavity 60 close to it is drained or drained when, can the interrupted row of sending
Dirty signal, so blowdown, water inlet, blowdown continuously can be carried out to water storage cavity 60..Circulate operation, so as to realize to water storage cavity 60
It is rinsed.
In one particular embodiment of the present invention, can be with when the working time of water heater 1 reaching default blowing time
Control water heater 1 sends blowdown warning.Specifically, the default blowing time can be used by user's sets itself, water heater 1
Certain time needs that blowdown warning can be sent during blowdown, can so realize and periodically remind user to carry out blowdown, make water heater 1
Use more convenient, more hommization.
Further, when the blowoff valve 10 of water heater 1 is opened and the water intaking valve of water heater 1 20 is closed, heat can be controlled
Hydrophone 1 sends blowdown and prompted.Prompted that is, blowdown can be sent when water heater 1 carries out blowdown, to prompt to use
Family blowdown is in progress.The convenience used of water heater 1 so can be further improved with real-time display blowdown process.
Further, when the blowoff valve 10 of water heater 1 is opened and the water intaking valve of water heater 1 20 is closed, can detect
Water surplus in the water storage cavity 60 of water heater 1, if the water surplus in the water storage cavity 60 of water heater 1 are zero, heat can be controlled
Hydrophone 1 sends blowdown and finishes prompting.In other words, when water heater 1 carries out blowdown, the water surplus in water storage cavity 60 can be detected,
Then represent that the blowdown of water heater 1 finishes when detecting that the water surplus in water storage cavity 60 are zero, now it is complete to send blowdown for water heater 1
Finish prompting, to prompt user that blowdown has been completed.It is possible thereby to further improve the convenience used of water heater 1.
In the specific example of the present invention, when the blowoff valve 10 of water heater 1 is opened and the water intaking valve of water heater 1 20 closes
When closing, if water heater 1 powers off, the blowoff valve 10 of water heater 1 can be controlled to close.I.e. when water heater 1 carries out blowdown, such as
Fruit runs into the fortuitous events such as power-off, then the blowoff valve 10 of water heater 1 can be controlled to close to stop blowdown.It is possible thereby to make hot water
The performance of device 1 is more stable, reliable.
Advantageously, the working condition before water heater 1 powers off can be stored when water heater 1 powers off, when water heater 1 connects again
Water heater 1 can be controlled to recover the working condition before the power-off of water heater 1 of storage when electric.In other words, when water heater 1 runs into suddenly
During the fortuitous events such as power-off, the switch shape of the water intaking valve 20 of the blowoff valve 10 of water heater 1 and water heater 1 before powering off can be recorded
State, opening before being powered off according to the blowoff valve 10 of the Information recovering water heater 1 of storage and the water intaking valve 20 of water heater 1 after incoming call
Off status, so that water inlet or blowdown work of the water heater 1 before power-off is recovered after connecing electricity again.It is possible thereby to further improve heat
The stability and reliability of the performance of hydrophone 1.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (11)
- A kind of 1. control system of water heater, it is characterised in that including：Blowdown trigger element；Main control unit, the main control unit are connected with the blowdown trigger element, when the main control unit receives the blowdown The blowoff valve of the water heater is controlled to open and control the water intaking valve of the water heater to close during the blowdown signal of trigger element, when The main control unit controls the blowoff valve of the water heater to close when not receiving the blowdown signal of the blowdown trigger element；Blowdown process Tip element, the blowdown process Tip element are connected with the main control unit, the main control unit control The blowoff valve of the water heater is opened and controls the blowdown process Tip element when controlling the water intaking valve of the water heater to close Blowdown is sent to be prompted；When the sewage in the water storage cavity of the water heater is drained, the blowdown trigger element intermittently sends the blowdown letter Number.
- 2. the control system of water heater according to claim 1, it is characterised in that described also including blowdown alarm unit Blowdown alarm unit is connected with the main control unit, described when the working time of the water heater reaching default blowing time Main control unit controls the blowdown alarm unit to send blowdown warning.
- 3. the control system of water heater according to claim 1, it is characterised in that also include being used to detect the water heater Water storage cavity in water surplus water amount of blowdown detection unit, the water amount of blowdown detection unit is connected with the main control unit, When the main control unit controls the blowoff valve of the water heater to open and controls the water intaking valve of the water heater to close, if institute State water amount of blowdown detection unit and detect that the water surplus in the water storage cavity of the water heater are zero, then the main control unit control institute State blowdown process Tip element and send blowdown and finish prompting.
- 4. the control system of water heater according to claim 1, it is characterised in that when the main control unit controls the heat When the blowoff valve of hydrophone is opened and controls the water intaking valve of the water heater to close, if the water heater powers off, the master control Unit controls the blowoff valve of the water heater to close.
- 5. the control system of water heater according to claim 1, it is characterised in that described also including power-fail memory function unit Power-fail memory function unit is connected with the main control unit, and when the water heater powers off, the power-fail memory function unit stores the master control Working condition before unit power-off, when the water heater connects electricity again, the main control unit recovers the power-fail memory function unit Working condition before the main control unit power-off of storage.
- 6. the control system of water heater according to claim 1, it is characterised in that also including blowdown valve control unit, VCU and enter Water valve control unit, the main control unit are connected with the blowdown valve control unit, VCU and controlled by the blowdown valve control unit, VCU The switch of the blowoff valve of the water heater, the main control unit are connected and by the water intaking valve with the water inlet valve control unit, VCU Control unit controls the switch of the water intaking valve of the water heater.
- 7. a kind of control method of water heater, it is characterised in that comprise the following steps：A) judge whether to receive blowdown signal；B) if it is, controlling the blowoff valve of the water heater to open and control the water intaking valve of the water heater to close, and control The water heater sends blowdown and prompted；If it is not, then the blowoff valve of the water heater is controlled to close；When sewage in the water storage cavity of the water heater is drained, the blowdown signal is discontinuously sent.
- 8. the control method of water heater according to claim 7, it is characterised in that reached when the working time of the water heater During to default blowing time, the water heater is controlled to send blowdown warning.
- 9. the control method of water heater according to claim 7, it is characterised in that when the blowoff valve of the water heater is opened And during the water intaking valve closing of the water heater, the water surplus in the water storage cavity of the water heater are detected, if the water heater Water surplus in water storage cavity are zero, then control the water heater to send blowdown and finish prompting.
- 10. the control method of water heater according to claim 7, it is characterised in that when the water heater blowoff valve is opened And the Water intaking valve of water heater if the water heater powers off, controls the blowoff valve of the water heater to close when closing.
- 11. the control method of water heater according to claim 7, it is characterised in that stored when the water heater powers off Working condition before the water heater power-off, controls the water heater to recover described in storage when the water heater connects electricity again Working condition before water heater power-off.
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| CN201510205715.5A CN104792023B (en) | 2013-05-27 | 2013-05-27 | The control system and control method of water heater |
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| CN201510205715.5A CN104792023B (en) | 2013-05-27 | 2013-05-27 | The control system and control method of water heater |
| CN201310202476.9A CN104110870B (en) | 2013-05-27 | 2013-05-27 | Control system and control method of water heater |
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| WO2016041159A1 (en) * | 2014-09-17 | 2016-03-24 | 芜湖美的厨卫电器制造有限公司 | Control system and control method for water storage-type electric water heater |
| CN104896723A (en) * | 2015-05-15 | 2015-09-09 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and drainage detection method thereof |
| CN109028588A (en) * | 2018-09-10 | 2018-12-18 | 熊国辉 | A kind of water heater cleaning device |
| CN111854173A (en) * | 2020-06-16 | 2020-10-30 | 华帝股份有限公司 | Control method and control system for electric water heater |
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| CN2435688Y (en) * | 2000-05-24 | 2001-06-20 | 张乃禄 | Intelligent heat-accumulating electric drinking water boiler |
| CN2872217Y (en) * | 2006-01-17 | 2007-02-21 | 周小峰 | Multifunctional pipeline emptying control device of water heater |
| CN201837078U (en) * | 2010-08-20 | 2011-05-18 | 宁波帅康热水器有限公司 | Water heater with scale warning and indicating functions |
| CN201926105U (en) * | 2011-01-30 | 2011-08-10 | 北京宏华电器有限公司 | Novel less-scale water boiler |
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| JP4937870B2 (en) * | 2007-09-25 | 2012-05-23 | 株式会社コロナ | Water heater with drain neutralization tank |
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Patent Citations (4)
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|---|---|---|---|---|
| CN2435688Y (en) * | 2000-05-24 | 2001-06-20 | 张乃禄 | Intelligent heat-accumulating electric drinking water boiler |
| CN2872217Y (en) * | 2006-01-17 | 2007-02-21 | 周小峰 | Multifunctional pipeline emptying control device of water heater |
| CN201837078U (en) * | 2010-08-20 | 2011-05-18 | 宁波帅康热水器有限公司 | Water heater with scale warning and indicating functions |
| CN201926105U (en) * | 2011-01-30 | 2011-08-10 | 北京宏华电器有限公司 | Novel less-scale water boiler |
Also Published As
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| CN104110870A (en) | 2014-10-22 |
| CN104792023A (en) | 2015-07-22 |
| CN104110870B (en) | 2015-05-27 |
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Effective date of registration: 20230317 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |