CN104110870B - Control system and control method of water heater - Google Patents

Control system and control method of water heater Download PDF

Info

Publication number
CN104110870B
CN104110870B CN201310202476.9A CN201310202476A CN104110870B CN 104110870 B CN104110870 B CN 104110870B CN 201310202476 A CN201310202476 A CN 201310202476A CN 104110870 B CN104110870 B CN 104110870B
Authority
CN
China
Prior art keywords
water heater
blowdown
control unit
described water
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310202476.9A
Other languages
Chinese (zh)
Other versions
CN104110870A (en
Inventor
江渝
王明
刘伟君
曲绍鹤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Original Assignee
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd filed Critical Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority to CN201510205715.5A priority Critical patent/CN104792023B/en
Priority to CN201310202476.9A priority patent/CN104110870B/en
Publication of CN104110870A publication Critical patent/CN104110870A/en
Application granted granted Critical
Publication of CN104110870B publication Critical patent/CN104110870B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a control system and a control method of a water heater. The control system comprises a sewage discharge triggering unit and a main control unit. The main control unit is connected with the sewage discharge triggering unit, controls a sewage discharge valve of the water heater to be turned on and controls a water inlet valve of the water heater to be turned off when receiving a sewage discharge signal of the sewage discharge triggering unit, and controls the sewage discharge valve of the water heater to be turned off when not receiving the sewage discharge signal of the sewage discharge triggering unit. The control system of the water heater has the advantages that sewage of the water heater can be discharged more conveniently, automation degree of the water heater is improved and the like.

Description

The control system of water heater and control method
Technical field
The present invention relates to field of household appliances, in particular to a kind of control system of water heater and the control method of water heater.
Background technology
In the use procedure of storage-type electric water heater, its inner bag is in water-filled state for a long time.Due to the difference of various places water quality, the inner bag inside of this storage-type electric water heater is easy to precipitate dirt, not only affects water quality, also have impact on the thermal efficiency of internal heating element.Therefore, storage-type electric water heater in use needs timing discharged by the sewage in its inner bag and clean.When existing storage-type electric water heater carries out discharging remaining water or cleaning, by specific purpose tool, the mudhole bolt being arranged at storage-type electric water heater outside must be opened by professional, the magnesium rod be fixed in inner bag is disassembled, just can carry out draining.Above-mentioned drainage pattern workload is large, operation is comparatively complicated, needs professional person to operate, is not easy to user's self-cleaning and maintenance.Some water heaters arrange blowdown apparatus, but need Non-follow control water intaking valve and blowoff valve respectively, and automaticity is lower, and it is not very convenient for using.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is that proposition is a kind of and can makes the control system that the blowdown of water heater is convenient, improve the automaticity of water heater.
Another object of the present invention is the control method proposing a kind of water heater.
For achieving the above object, a first aspect of the present invention proposes a kind of control system of water heater, and the control system of described water heater comprises: blowdown trigger element; And main control unit, described main control unit is connected with described blowdown trigger element, the blowoff valve controlling described water heater when described main control unit receives the blowdown signal of described blowdown trigger element opens and controls the water intaking valve cut out of described water heater, and the blowoff valve controlling described water heater when described main control unit does not receive the blowdown signal of described blowdown trigger element cuts out.
According to the control system of the water heater of the embodiment of the present invention by the described main control unit arranging described blowdown trigger element and be connected with described blowdown trigger element, the blowoff valve that can control described water heater after described main control unit receives the blowdown signal of described blowdown trigger element is opened, to make the sewage in described water storage cavity be discharged by described blowdown apparatus, control the closedown of the water intaking valve of described water heater to ensure that the sewage in the water storage cavity of described water heater can be emptying simultaneously.And the blowoff valve that described main control unit can control described water heater when not receiving the blowdown signal of described blowdown trigger element cuts out, the hot water in described water storage cavity can not be discharged with saving water resource and the normal use ensureing described water heater from described blowdown apparatus.That is, user need not individually control the blowoff valve of described water heater and the water intaking valve of described water heater, the control system of described water heater can realize sewage automatic-discharging and the emptying rear valve-closing of sewage of described water heater, can make like this use of described water heater convenient, more fast, more energy-conservation, for user provide more clean, the bath water of health.Therefore, according to the control system of the water heater of the embodiment of the present invention, there is advantages such as can making the blowdown of water heater is convenient, the automaticity of raising water heater.
In addition, according to the control system of water heater of the present invention, also there is following additional technical feature:
According to one embodiment of present invention, the control system of described water heater also comprises blowdown alarm unit, described blowdown alarm unit is connected with described main control unit, when the working time of described water heater arrives default blowing time, described main control unit controls described blowdown alarm unit and sends blowdown warning.Can make that the use of described water heater is convenient, hommization more thus.
According to one embodiment of present invention, the control system of described water heater also comprises blowdown process Tip element, described blowdown process Tip element is connected with described main control unit, the blowoff valve that described main control unit controls described water heater is opened and the water intaking valve controlling described water heater is closed time control described blowdown process Tip element and send blowdown and point out.Blowdown process can be shown so in real time to improve the convenience of the use of described water heater further.
According to one embodiment of present invention, the control system of described water heater also comprises the water amount of blowdown detecting unit of the water surplus in the water storage cavity for detecting described water heater, described water amount of blowdown detecting unit is connected with described main control unit, when the blowoff valve that described main control unit controls described water heater opens and controls the water intaking valve cut out of described water heater, if described water amount of blowdown detecting unit detects that the water surplus in the water storage cavity of described water heater is zero, then described main control unit controls described blowdown process Tip element and sends the complete prompting of blowdown.Further can improve the convenience of the use of described water heater thus.
According to one embodiment of present invention, when the blowoff valve that described main control unit controls described water heater opens and controls the water intaking valve cut out of described water heater, if described water heater power-off, then described main control unit controls the blowoff valve closedown of described water heater.The performance of described water heater can be made thus more stable, reliable.
According to one embodiment of present invention, the control system of described water heater also comprises power-fail memory function unit, described power-fail memory function unit is connected with described main control unit, when described water heater power-off, described power-fail memory function unit stores the duty before described main control unit power-off, when described water heater connects electricity again, described main control unit recovers the duty before the described main control unit power-off of described power-fail memory function unit storage.Stability and the reliability of the performance of described water heater can be improved thus further.
According to one embodiment of present invention, the control system of described water heater also comprises blowoff valve control unit and water intaking valve control unit, described main control unit is connected with described blowoff valve control unit and is controlled the switch of the blowoff valve of described water heater by described blowoff valve control unit, and described main control unit is connected with described water intaking valve control unit and is controlled the switch of the water intaking valve of described water heater by described water intaking valve control unit.Can make that described main control unit is convenient like this, the water intaking valve of the blowoff valve that fast, stably controls described water heater and described water heater.
A second aspect of the present invention proposes a kind of control method of water heater, and the control method of described water heater comprises the following steps:
A) judge whether to receive blowdown signal; With
B) if the blowoff valve then controlling described water heater opens and controls the water intaking valve cut out of described water heater; If not, then the blowoff valve controlling described water heater cuts out.
Sewage automatic-discharging and the emptying rear valve-closing of sewage of water heater can be realized according to the control method of the water heater of the embodiment of the present invention, can make the use of water heater convenient, more fast, more energy-conservation, for user provides bath water that is more clean, health, there is advantages such as can making the blowdown of water heater is convenient, the automaticity of raising water heater.
According to one embodiment of present invention, when the working time of described water heater reaches default blowing time, control described water heater and send blowdown warning.Regular reminding user can be realized like this and carry out blowdown, make that the use of described water heater is convenient, hommization more.
According to one embodiment of present invention, when the blowoff valve of described water heater is opened and the water intaking valve of described water heater is closed, control described water heater and send blowdown and point out.Blowdown process can be shown so in real time to improve the convenience of the use of described water heater further.
According to one embodiment of present invention, when the blowoff valve of described water heater is opened and the water intaking valve of described water heater is closed, detect the water surplus in the water storage cavity of described water heater, if the water surplus in the water storage cavity of described water heater is zero, then controls described water heater and send the complete prompting of blowdown.Further can improve the convenience of the use of described water heater thus.
According to one embodiment of present invention, when described water heater blowoff valve is opened and described Water intaking valve of water heater is closed, if described water heater power-off, then the blowoff valve controlling described water heater cuts out.The performance of described water heater can be made thus more stable, reliable.
According to one embodiment of present invention, store the duty before described water heater power-off when described water heater power-off, control the duty before the described water heater power-off of described water heater recovery storage when described water heater connects electricity again.Stability and the reliability of the performance of described water heater can be improved thus further.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, 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 the embodiment of the present invention;
Fig. 3 is the flow chart of the control method of water heater according to the embodiment of the present invention.
The blowoff valve 10 of water heater 1, water heater 1, the water intaking valve 20 of water heater 1, water inlet pipe 40, blowdown apparatus 50, water storage cavity 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 detecting unit 500, power-fail memory function unit 600, blowoff valve control unit 700, water intaking valve control unit 800, general operation unit 900, water temperature detecting unit 1000, power supply unit 1100, non-water discharge time Tip element 1200, water yield detecting unit 1300, universal control unit 1400.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
For the ease of understanding, first the structure of water heater 1 is described with reference to figure 1.As shown in Figure 1, water heater 1 is provided with for carrying the water inlet pipe 40 of cold water and the blowdown apparatus 50 for being discharged by the sewage in water storage cavity 60 to water storage cavity 60, water inlet pipe 40 is provided with the water intaking valve 20 of the break-make for controlling water inlet pipe 40, and blowdown apparatus 50 is provided with the blowoff valve 10 for the break-make of control of sewage disposal device 50.
Below with reference to Fig. 2, the control system 30 according to the water heater 1 of the embodiment of the present invention is described.As shown in Figure 1, blowdown trigger element 100 and main control unit 200 is comprised according to the control system 30 of the water heater 1 of the embodiment of the present invention.
Main control unit 200 is connected with blowdown trigger element 100, the blowoff valve 10 receiving the blowdown signal time control heat water producer 1 of blowdown trigger element 100 when main control unit 200 is opened and the water intaking valve 20 controlling water heater 1 is closed, and the blowoff valve 10 not receiving the blowdown signal time control heat water producer 1 of blowdown trigger element 100 when main control unit 200 cuts out.
According to the control system 30 of the water heater 1 of the embodiment of the present invention by the main control unit 200 arranging blowdown trigger element 100 and be connected with blowdown trigger element 100, the blowoff valve 10 that can control water heater 1 after main control unit 200 receives the blowdown signal of blowdown trigger element 100 is opened, to make the sewage in water storage cavity 60 be discharged by blowdown apparatus 50, control the closedown of the water intaking valve 20 of water heater 1 to ensure that the sewage in water storage cavity 60 can be emptying simultaneously.And the blowoff valve 10 that main control unit 200 can control water heater 1 when not receiving the blowdown signal of blowdown trigger element 100 cuts out, the hot water in water storage cavity 60 can not be discharged with saving water resource and the normal use ensureing water heater 1 from blowdown apparatus 50.That is, user need not individually control the blowoff valve 10 of water heater 1 and the water intaking valve 20 of water heater 1, the control system 30 of water heater 1 can realize sewage automatic-discharging and the emptying rear valve-closing of sewage of water heater 1, can make like this use of water heater 1 convenient, more fast, more energy-conservation, for user provide more clean, the bath water of health.Therefore, according to the control system 30 of the water heater 1 of the embodiment of the present invention, there is advantages such as can making the blowdown of water heater is convenient, the automaticity of raising water heater.
Particularly, blowdown trigger element 100 can be blowdown button, when user sends blowdown signal by blowdown button during down blow button to main control unit 200.
Alternatively, can open to make cold water enter water storage cavity 60 by water inlet pipe 40 with the water intaking valve 20 of time control water heater 1 when main control unit 200 does not receive the blowdown signal of blowdown trigger element 100.The function of rinsing water storage cavity 60 can be realized thus.Particularly, the sewage in water storage cavity 60, close to time drained or drained, can intermittently trigger blowdown trigger element 100, make blowdown trigger element 100 interrupted send blowdown signal, like this can carry out blowdown, water inlet, blowdown to water storage cavity 60 continuously.。Cycling, thus realize water storage cavity 60 is rinsed.
Wherein, as shown in Figure 2, the control system 30 of water heater 1 can also comprise blowoff valve control unit 700 and water intaking valve control unit 800, blowoff valve control unit 700 can be connected with the blowoff valve 10 of water heater 1, water intaking valve control unit 800 can be connected with the water intaking valve 20 of water heater 1, main control unit 200 can be connected with blowoff valve control unit 700 yuan and main control unit 200 can control the switch of the blowoff valve 10 of water heater 1 by blowoff valve control unit 700, main control unit 200 can be connected with water intaking valve control unit 800 and main control unit 200 can control the switch of the water intaking valve 20 of water heater 1 by water intaking valve control unit 800.Can make like this main control unit 200 convenient, fast, stably control the blowoff valve 10 of water heater 1 and the water intaking valve 20 of water heater 1.
Fig. 2 shows the control system 30 of the water heater 1 according to the present invention's specific embodiment.As shown in Figure 2, the control system 30 of water heater 1 can also comprise blowdown alarm unit 300, blowdown alarm unit 300 can be connected with main control unit 200, when the working time of water heater 1 arrives default blowing time, main control unit 200 can send blowdown warning by control of sewage disposal alarm unit 300 unit.Particularly, described default blowing time can by user's sets itself, and blowdown alarm unit 300 can be blowdown warning lamp, represents and send blowdown warning when blowdown warning lamp lights.When such water heater 1 uses certain hour to need blowdown, blowdown alarm unit 300 can send blowdown warning, namely can realize regular reminding user and carry out blowdown, can make that the use of water heater 1 is convenient, hommization more thus.
Advantageously, as shown in Figure 2, the control system 30 of water heater 1 can also comprise blowdown process Tip element 400, blowdown process Tip element 400 can be connected with main control unit 200, the blowoff valve 10 that main control unit 200 controls water heater 1 is opened and the water intaking valve 20 controlling water heater 1 is closed time can send blowdown and point out by control of sewage disposal process Tip element 400.In other words, when water heater 1 carries out blowdown, blowdown process Tip element 400 can send blowdown and points out, to point out user's blowdown well afoot.Blowdown process can be shown so in real time to improve the convenience of the use of water heater 1 further.
More advantageously, as shown in Figure 2, the control system 30 of water heater 1 can also comprise the water amount of blowdown detecting unit 500 for detecting the water surplus in the water storage cavity 60 of water heater 1, water amount of blowdown detecting unit 500 can be connected with main control unit 200, when the blowoff valve 10 that main control unit 200 controls water heater 1 is opened and the water intaking valve 20 controlling water heater 1 is closed, if water amount of blowdown detecting unit 500 detects that the water surplus in the water storage cavity 60 of water heater 1 is zero, then main control unit 200 can send the complete prompting of blowdown by control of sewage disposal process Tip element 400.Particularly, when water heater 1 carries out blowdown, water amount of blowdown detecting unit 500 detects the water surplus in water storage cavity 60, then represent that the blowdown of water heater 1 is complete when the water surplus that water amount of blowdown detecting unit 500 detects water storage cavity 60 is zero, now main control unit 200 control of sewage disposal process Tip element 400 sends the complete prompting of blowdown, completes to point out user's blowdown.Further can improve the convenience of the use of water heater 1 thus.
Wherein, blowdown process Tip element 400 can be blowdown process warning light, can represent that blowdown is being carried out, can represent that blowdown completes when blowdown process warning light glimmers when blowdown process warning light lights.Blowdown process Tip element 400 also can be the prompting device that vision engages with sound, and when carrying out blowdown, blowdown process Tip element 400 can glimmer, and blowdown process Tip element 400 can glimmer and send buzzing when blowdown completes.
Fig. 2 shows the control system 30 of the water heater 1 according to the present invention's concrete example.As shown in Figure 2, when the blowoff valve 10 that main control unit 200 controls water heater 1 is opened and the water intaking valve 20 controlling water heater 1 is closed, if water heater 1 power-off, then the blowoff valve 10 that main control unit 200 can control water heater 1 cuts out.That is, when water heater 1 carries out blowdown, if run into the fortuitous events such as power-off, then the blowoff valve 10 that main control unit 200 can control water heater 1 cuts out to stop blowdown.The performance of water heater 1 can be made thus more stable, reliable.
Further, as shown in Figure 2, the control system 30 of water heater 1 can also comprise power-fail memory function unit 600, power-fail memory function unit 600 can be connected with main control unit 200, when water heater 1 power-off, power-fail memory function unit 600 can store the duty before main control unit 200 power-off, when water heater 1 connects electricity again, main control unit 200 can recover the duty before main control unit 200 power-off of power-fail memory function unit 600 storage.In other words, when water heater 1 runs into the fortuitous events such as unexpected power-off, power-fail memory function unit 600 controls the on off state of the blowoff valve 10 of water heater 1 and the water intaking valve 20 of water heater 1 before can recording main control unit 200 power-off, after incoming call, main control unit 200 according to the on off state before the blowoff valve 10 of Information recovering water heater 1 of power-fail memory function unit 600 storage and water intaking valve 20 power-off of water heater 1, can recover the water inlet before power-off or blowdown work to make water heater 1 after again connecing electricity.Stability and the reliability of the performance of water heater 1 can be improved thus further.
In one embodiment of the invention, the control system 30 of water heater 1 can also comprise general operation unit 900, and main control unit 200 can be connected with general operation unit 900, and user can regulate the water temperature in water storage cavity 60 by operation general operation unit 900.
Alternatively, the control system 30 of water heater 1 can also comprise the water temperature detecting unit 1000 for detecting the water temperature in water storage cavity 60, main control unit 200 can be connected with water temperature detecting unit 1000, and water temperature detecting unit 1000 can be utilized thus to detect the temperature of the water in user's water storage cavity 60 in real time.
Certainly, control system 30 can also comprise the power supply unit 1100 for powering to main control unit 200, with convenient, stably power to main control unit 200.In addition, the control system 30 of water heater 1 can also comprise the non-water discharge time Tip element 1200, water yield detecting unit 1300 and the universal control unit 1400 that are connected with main control unit 200 respectively to realize the function of existing water heater.
Describe the control method according to the water heater 1 of the embodiment of the present invention below with reference to Fig. 3, the control method of water heater 1 comprises the following steps:
A) judge whether to receive blowdown signal; With
B) if then control the blowoff valve 10 of water heater 1 and to open and the water intaking valve 20 controlling water heater 1 is closed; If not, then the blowoff valve 10 controlling water heater 1 cuts out.
Sewage automatic-discharging and the emptying rear valve-closing of sewage of water heater 1 can be realized according to the control method of the water heater 1 of the embodiment of the present invention, can make the use of water heater 1 convenient, more fast, more energy-conservation, for user provides bath water that is more clean, health, there is advantages such as can making the blowdown of water heater is convenient, the automaticity of raising water heater.
Alternatively, can open with the water intaking valve 20 of time control water heater 1 when not receiving blowdown signal.The function of rinsing water storage cavity 60 can be realized thus.Particularly, the sewage in water storage cavity 60, close to time drained or drained, can intermittently send blowdown signal, can carry out blowdown, water inlet, blowdown continuously like this to water storage cavity 60.。Cycling, thus realize water storage cavity 60 is rinsed.
In one particular embodiment of the present invention, when the working time of water heater 1 reaches default blowing time, water heater 1 can be controlled and send blowdown warning.Particularly, described default blowing time can by user's sets itself, and water heater 1 uses certain hour to need to send blowdown warning during blowdown, can realize regular reminding user like this and carry out blowdown, makes that the use of water heater 1 is convenient, hommization more.
Further, when the blowoff valve 10 of water heater 1 is opened and the water intaking valve 20 of water heater 1 is closed, water heater 1 can be controlled and send blowdown and point out.That is, blowdown can be sent when water heater 1 carries out blowdown and point out, to point out user's blowdown well afoot.Blowdown process can be shown so in real time to improve the convenience of the use of water heater 1 further.
Further, when the blowoff valve 10 of water heater 1 is opened and the water intaking valve 20 of water heater 1 is closed, the water surplus in the water storage cavity 60 of water heater 1 can be detected, if the water surplus in the water storage cavity 60 of water heater 1 is zero, then can controls water heater 1 and send the complete prompting of blowdown.In other words, when water heater 1 carries out blowdown, the water surplus in water storage cavity 60 can being detected, then representing that when detecting that the water surplus in water storage cavity 60 is zero the blowdown of water heater 1 is complete, now water heater 1 sends the complete prompting of blowdown, completes to point out user's blowdown.Further can improve the convenience of the use of water heater 1 thus.
In a concrete example of the present invention, when the blowoff valve 10 of water heater 1 is opened and the water intaking valve 20 of water heater 1 is closed, if water heater 1 power-off, then the blowoff valve 10 that can control water heater 1 cuts out.Namely when water heater 1 carries out blowdown, if run into the fortuitous events such as power-off, then the blowoff valve 10 that can control water heater 1 cuts out to stop blowdown.The performance of water heater 1 can be made thus more stable, reliable.
Advantageously, can duty before store heat hydrophone 1 power-off when water heater 1 power-off, can control when water heater 1 connects electricity again water heater 1 recover water heater 1 power-off stored before duty.In other words, when water heater 1 runs into the fortuitous events such as unexpected power-off, the on off state of the blowoff valve 10 of water heater 1 and the water intaking valve 20 of water heater 1 before power-off can be recorded, according to the on off state before the blowoff valve 10 of Information recovering water heater 1 stored and water intaking valve 20 power-off of water heater 1, the water inlet before power-off or blowdown work can be recovered to make water heater 1 after again connecing electricity after incoming call.Stability and the reliability of the performance of water heater 1 can be improved thus further.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.

Claims (13)

1. a control system for water heater, is characterized in that, comprising:
Blowdown trigger element; With
Main control unit, described main control unit is connected with described blowdown trigger element, the blowoff valve controlling described water heater when described main control unit receives the blowdown signal of described blowdown trigger element opens and controls the water intaking valve cut out of described water heater, the blowoff valve controlling described water heater when described main control unit does not receive the blowdown signal of described blowdown trigger element is cut out and the water intaking valve controlling described water heater is opened, when sewage in the water storage cavity of described water heater is drained, described blowdown trigger element sends described blowdown signal intermittently.
2. the control system of water heater according to claim 1, it is characterized in that, also comprise blowdown alarm unit, described blowdown alarm unit is connected with described main control unit, when the working time of described water heater arrives default blowing time, described main control unit controls described blowdown alarm unit and sends blowdown warning.
3. the control system of water heater according to claim 1, it is characterized in that, also comprise blowdown process Tip element, described blowdown process Tip element is connected with described main control unit, the blowoff valve that described main control unit controls described water heater is opened and the water intaking valve controlling described water heater is closed time control described blowdown process Tip element and send blowdown and point out.
4. the control system of water heater according to claim 3, it is characterized in that, also comprise the water amount of blowdown detecting unit of the water surplus in the water storage cavity for detecting described water heater, described water amount of blowdown detecting unit is connected with described main control unit, when the blowoff valve that described main control unit controls described water heater opens and controls the water intaking valve cut out of described water heater, if described water amount of blowdown detecting unit detects that the water surplus in the water storage cavity of described water heater is zero, then described main control unit controls described blowdown process Tip element and sends the complete prompting of blowdown.
5. the control system of water heater according to claim 1, it is characterized in that, when the blowoff valve that described main control unit controls described water heater opens and controls the water intaking valve cut out of described water heater, if described water heater power-off, then described main control unit controls the blowoff valve closedown of described water heater.
6. the control system of water heater according to claim 1, it is characterized in that, also comprise power-fail memory function unit, described power-fail memory function unit is connected with described main control unit, when described water heater power-off, described power-fail memory function unit stores the duty before described main control unit power-off, when described water heater connects electricity again, described main control unit recovers the duty before the described main control unit power-off of described power-fail memory function unit storage.
7. the control system of water heater according to claim 1, it is characterized in that, also comprise blowoff valve control unit and water intaking valve control unit, described main control unit is connected with described blowoff valve control unit and is controlled the switch of the blowoff valve of described water heater by described blowoff valve control unit, and described main control unit is connected with described water intaking valve control unit and is controlled the switch of the water intaking valve of described water heater by described water intaking valve control unit.
8. a control method for water heater, is characterized in that, comprises the following steps:
A) judge whether to receive blowdown signal; With
B) if the blowoff valve then controlling described water heater opens and controls the water intaking valve cut out of described water heater; If not, then the blowoff valve controlling described water heater is cut out and the water intaking valve controlling described water heater is opened, and when the sewage in the water storage cavity of described water heater is drained, intermittently sends described blowdown signal.
9. the control method of water heater according to claim 8, is characterized in that, when the working time of described water heater reaches default blowing time, controls described water heater and sends blowdown warning.
10. the control method of water heater according to claim 8, is characterized in that, when the blowoff valve of described water heater is opened and the water intaking valve of described water heater is closed, controls described water heater and sends blowdown and point out.
The control method of 11. water heaters according to claim 8, it is characterized in that, when the blowoff valve of described water heater is opened and the water intaking valve of described water heater is closed, detect the water surplus in the water storage cavity of described water heater, if the water surplus in the water storage cavity of described water heater is zero, then controls described water heater and send the complete prompting of blowdown.
The control method of 12. water heaters according to claim 8, is characterized in that, when described water heater blowoff valve is opened and described Water intaking valve of water heater is closed, if described water heater power-off, then the blowoff valve controlling described water heater cuts out.
The control method of 13. water heaters according to claim 8, it is characterized in that, store the duty before described water heater power-off when described water heater power-off, control the duty before the described water heater power-off of described water heater recovery storage when described water heater connects electricity again.
CN201310202476.9A 2013-05-27 2013-05-27 Control system and control method of water heater Active CN104110870B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310202476.9A CN104110870B (en) 2013-05-27 2013-05-27 Control system and control method of water heater

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201510205715.5A Division CN104792023B (en) 2013-05-27 2013-05-27 The control system and control method of water heater

Publications (2)

Publication Number Publication Date
CN104110870A CN104110870A (en) 2014-10-22
CN104110870B true CN104110870B (en) 2015-05-27

Family

ID=51707770

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201310202476.9A Active CN104110870B (en) 2013-05-27 2013-05-27 Control system and control method of water heater
CN201510205715.5A Active CN104792023B (en) 2013-05-27 2013-05-27 The control system and control method of water heater

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201510205715.5A Active CN104792023B (en) 2013-05-27 2013-05-27 The control system and control method of water heater

Country Status (1)

Country Link
CN (2) CN104110870B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2435688Y (en) * 2000-05-24 2001-06-20 张乃禄 Intelligent heat-accumulating electric drinking water boiler
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2872217Y (en) * 2006-01-17 2007-02-21 周小峰 Multifunctional pipeline discharging controller of water heater
JP4937870B2 (en) * 2007-09-25 2012-05-23 株式会社コロナ Water heater with drain neutralization tank
CN201926105U (en) * 2011-01-30 2011-08-10 北京宏华电器有限公司 Novel less-scale water boiler

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2435688Y (en) * 2000-05-24 2001-06-20 张乃禄 Intelligent heat-accumulating electric drinking water boiler
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

Also Published As

Publication number Publication date
CN104792023B (en) 2018-04-03
CN104110870A (en) 2014-10-22
CN104792023A (en) 2015-07-22

Similar Documents

Publication Publication Date Title
CN104110870B (en) Control system and control method of water heater
CN104101095B (en) Water heater and blowdown apparatus and blowdown control method
CN107606780B (en) Water heater and control method thereof
CN202757269U (en) Two-level freeze-proof gas water heater
CN208238261U (en) The antifreeze and prompt system of domestic gas-fired water heater
JP2011122760A (en) Storage type hot water supply bath device including remaining hot water heat recovery function
CN203501462U (en) Water heater and blow-down apparatus thereof
CN203941401U (en) A kind of controller of household water-purifying machine
CN104433795A (en) Pipeline machine
CN103015144A (en) Steam station electric iron
CN203468336U (en) Pipeline machine
CN203501471U (en) Water heater
CN203943515U (en) A kind of kettle
CN106983367A (en) A kind of full touch-control Intelligent reverse osmosis cold-hot integrated Drinking fountain and its control method
CN205043693U (en) Novel equipment of unsealing of measurement seal
CN103925702A (en) Heat pump water heater and control method thereof
CN209978400U (en) Electromagnetic electric water heater with centralized control emptying function
KR101164157B1 (en) Hot water discharging apparatus of water purifier
CN106766216B (en) A kind of intelligent backwater control method, controller and control system
CN204718103U (en) A kind of intelligent water heater
KR101868671B1 (en) Hot Water Supply System using Dish Washer
CN104110873B (en) Water heater
CN204113606U (en) A kind of water pump timing constant temperature controller
CN1953621A (en) A temperature controller of electric heating pot
CN206724488U (en) A kind of water heater with intelligent reminding function

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant