CN106247623B - Hot water machine and its control method - Google Patents

Hot water machine and its control method Download PDF

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Publication number
CN106247623B
CN106247623B CN201610581658.5A CN201610581658A CN106247623B CN 106247623 B CN106247623 B CN 106247623B CN 201610581658 A CN201610581658 A CN 201610581658A CN 106247623 B CN106247623 B CN 106247623B
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China
Prior art keywords
hot water
water
outlet pipeline
water machine
outlet
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CN201610581658.5A
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CN106247623A (en
Inventor
曹庭学
张勇
王伟
潘志升
简卓豪
郭峰
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TCL Air Conditioner Zhongshan Co Ltd
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TCL Air Conditioner Zhongshan Co Ltd
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Publication of CN106247623A publication Critical patent/CN106247623A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/12Arrangements for connecting heaters to circulation pipes
    • F24H9/13Arrangements for connecting heaters to circulation pipes for water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention discloses a kind of hot water machine and its control methods, the hot water machine includes water tank and the water inlet pipe and water outlet pipe on the water tank, hot water machine further includes master control borad, the flow detector on outlet pipeline and the negative pressure generator on water tank, and flow detector and negative pressure generator are electrically connected with master control borad respectively;Wherein, master control borad is used for when flow detector detects outlet pipeline without water outlet, and control negative pressure generator is opened.The present invention reduces the remaining waters of pipeline class, save thermal water resource.

Description

Hot water machine and its control method
Technical field
The present invention relates to hot water machine technical field more particularly to a kind of hot water machine and its control methods.
Background technique
Existing hot water machine, can also residual fraction in the pipeline of water tank to user water outlet after user has used hot water Hot water, since the heat insulation effect of pipeline is poor, the hot water in the residual pipeline can cool down in a relatively short period of time.When user again When using hot water, since hot water remaining in pipeline has cooled down, it is necessary to which first by the part, water is released, and can just reuse heat Water, this is all greatly to waste to water source and heat source;And hot water easily breeds bacterium during cooling in pipeline, pollutes Pipe network damages the health of user.
Summary of the invention
The main purpose of the present invention is to provide a kind of hot water machines, it is intended to reduce the remaining water of pipeline class, save hot water Resource.
To achieve the above object, the present invention proposes a kind of hot water machine, which includes water tank and on the water tank Water inlet pipe and water outlet pipe, which is characterized in that the hot water machine further includes master control borad, the flow on the outlet pipeline Detection device and the negative pressure generator on the water tank, the flow detector and the negative pressure generator respectively with institute State master control borad electrical connection;The master control borad is used to control institute when the flow detector detects outlet pipeline without water outlet State the unlatching of negative pressure generator.
Preferably, the master control borad is used to detect that outlet pipeline stops water outlet in the flow detector, and pre- If be not discharged again in the time, control the negative pressure generator and open.
Preferably, the inlet valve being electrically connected with the master control borad is provided on the inlet pipeline;The master control borad is used for When the flow detector detects outlet pipeline without water outlet, also controls the inlet valve and close.
Preferably, the master control borad is used to control institute when the flow detector detects outlet pipeline without water outlet It states and controls the negative pressure generator unlatching after inlet valve is closed again.
Preferably, the master control borad is also used to detect non-water flow in the outlet pipeline when the flow detector When, the master control borad controls the negative pressure generator and closes.
Preferably, flow-stop valve is additionally provided on the outlet pipeline, the flow-stop valve is set to the flow detector and institute It states between water tank.
In addition, to achieve the above object, the present invention also proposes a kind of control method of hot water machine, this method comprises:
Detect the water flow flow signals in the outlet pipeline of hot water machine;
Determine whether the outlet pipeline of the hot water machine is discharged according to the water flow flow signals;
When the outlet pipeline for determining the hot water machine is without water outlet, the hot water controlled in the outlet pipeline of the hot water machine is returned It flow in the water tank of the hot water machine.
Preferably, described that the step of whether outlet pipeline of the hot water machine is discharged determined according to the water flow flow signals Later further include:
In the outlet pipeline for determining the hot water machine without water outlet, and determine the hot water machine be in it is non-with water state when, control It makes in the hot water return to the water tank of the hot water machine in the outlet pipeline of the hot water machine.
Preferably, the determination hot water machine includes: with water state in non-
When stopping water outlet in the outlet pipeline for determining the hot water machine, and not being discharged again within a preset time, institute is determined It states hot water machine and uses water state in non-.
Preferably, described that the step of whether outlet pipeline of the hot water machine is discharged determined according to the water flow flow signals Later further include:
When the outlet pipeline for determining the hot water machine is without water outlet, the inlet pipeline for controlling the hot water machine closes water inlet It is controlled again in the hot water return to the water tank of the hot water machine in the outlet pipeline of the hot water machine afterwards.
The present invention is arranged negative pressure on water tank and generates by the way that flow detector is arranged on the outlet pipeline of hot water machine Device, in this way, when flow detector detects outlet pipeline without water outlet, master control borad control is negative during using hot water Generator is pressed to open, reducing in water tank by way of pressure, to realize the hot water return in control outlet pipeline, to realize The purpose of pipeline class quantity of residual is reduced, and is stored in after hot water return in water tank, does not need to discharge, is used for next time, Then further achieve the purpose that save thermal water resource.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of hot water machine preferred embodiment of the present invention;
Fig. 2 is the flow diagram of the control method first embodiment of hot water machine of the present invention;
Fig. 3 is the flow diagram of the control method second embodiment of hot water machine of the present invention;
Fig. 4 is the flow diagram of the control method 3rd embodiment of hot water machine of the present invention.
Drawing reference numeral explanation:
Label Title Label Title
10 Water tank 20 Master control borad
30 Flow detector 40 Negative pressure generator
101 Inlet pipeline 102 Outlet pipeline
50 Inlet valve 60 Water pump
70 Flow-stop valve
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art under that premise of not paying creative labor it is obtained it is all its His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result, Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model Within enclosing.
The present invention proposes a kind of hot water machine.
Referring to Fig.1, in an embodiment of the present invention, which includes water tank 10, master control borad 20, flow detector 30 And negative pressure generator 40, the water tank 10 have inlet pipeline 101 and outlet pipeline 102, flow detector 30 goes out described in In water lines 102, to detect the aqueous condition that goes out of outlet pipeline 102, and feedback signal is to master control borad 20;Negative pressure generator 40 is set In on the water tank 10, to when opening, reduced in water tank 10 by releasing 10 pressure of water tank or other decompression modes Pressure when closing, then stops reducing pressure in water tank 10;Wherein, flow detector 30 and negative pressure generator 40 respectively with institute State the electrical connection of master control borad 20;In hot water use process, which is used to detect outlet pipe in flow detector 30 When road 102 is without water outlet, controls the negative pressure generator 40 and open, reducing in water tank 10 by way of pressure, to realize control Hot water return in outlet pipeline 102.
It is understood that in the process of using hot water by users, if flow detector 30 detects outlet pipeline 102 When without water outlet, then it represents that user stops using hot water or finished with water, at this point, opening negative pressure generator 40, reduces water Pressure in case 10.It is remaining in outlet pipeline 102 when the pressure reduction of water tank 10 and when lower than pressure in outlet pipeline 102 Hot water is back under the effect of the pressure in water tank 10, that is, realizes the purpose for reducing pipeline class quantity of residual, and after hot water return It is stored in water tank 10, does not need to discharge, used for next time, then further achieve the purpose that save thermal water resource.In addition, Due to after having used hot water, being returned in water tank 10 in time with regard to water remaining in control piper in user, avoiding hot water It rests in pipeline and leads to the problem of bacterium after cooling, so that the bacteria breed in pipeline is reduced, it is safer using water, strong Health.
It is understood that the control model of master control borad 20 is not limited to aforesaid way, and in a preferred embodiment, institute It states master control borad 20 to be also used to detect that outlet pipeline 102 stops water outlet in the flow detector 30, and within a preset time When not being discharged again, controls the negative pressure generator 40 and open.It should be noted that sometimes user with water be not continue , may suspend a period of time, if at this point, open negative pressure generator 40 will cause interference, user can be caused using hot water It influences, such as causes to be difficult to the case where being discharged.
It is understood that above-mentioned negative pressure generator 40 can be the valve body of pressure in any reduction or water tank 10 of releasing, It is preferably relief valve in the present embodiment.
It is understood that above-mentioned flow detector 30 can be any device with flow detection function, this implementation It is preferably target formula water flow switch in example, target formula water flow switch has the advantages that detection accuracy is high, and will not influence water flow in pipeline Flowing.
In above-described embodiment, further, referring to Fig.1, it is provided on the inlet pipeline 101 and 20 electricity of master control borad The inlet valve 50 of connection;The master control borad 20 is used for when the flow detector 30 detects outlet pipeline 102 without water outlet, The inlet valve 50 is also controlled to close.Wherein, inlet valve 50 can be closes together with negative pressure generator 40, is also possible to timesharing It successively closes, in a preferred embodiment, in order to avoid keeping the water inlet in inlet pipeline 101 quick when the unlatching of negative pressure generator 40 It injects in water tank 10, the master control borad 20 controls institute when the flow detector 30 detects outlet pipeline 102 without water outlet It states and controls the unlatching of negative pressure generator 40 after inlet valve 50 is closed again.It is understood that after inlet valve 50 is closed, into The water inlet of water lines 101 is cut off, so that negative pressure generator 40 be avoided to be rapidly injected the water inlet in inlet pipeline 101 when opening Problem in water tank 10.
Wherein, inlet valve 50 can be with any type of water flow switch valve, preferably solenoid valve in the present embodiment.Solenoid valve is rung Answer speed fast, control effect is good.
In above-described embodiment, further, referring to Fig.1, when in order to avoid negative pressure 40 operational failure of generator, guarantee water outlet In hot water return to water tank 10 in pipeline 102, water pump 60 is additionally provided on the outlet pipeline 102.In flow detector 30 detect outlet pipeline 102 without water outlet when, by master control borad 20 control water pump 60 open, even if negative pressure generator 40 work lose Effect, can also draw back the hot water in outlet pipeline 102 to water tank 10.
In above-described embodiment, further, referring to Fig.1, flow-stop valve 70 is additionally provided on the outlet pipeline 102.The fluid stopping Valve 70 is used to avoid water flow in water tank 10 from flowing into outlet pipeline 102 in water tank 10 pressure instability timing.
Wherein, flow-stop valve 70 can be set to any position of outlet pipeline 102, for example, the flow-stop valve 70 is set to the stream Between amount detecting device 30 and the water tank 10 or flow-stop valve 70 is set between the water tank 10 and water pump 60, it is possible to understand that , flow-stop valve 70 closer to water tank 10 be arranged, then can largely avoid the water of water tank 10 from entering outlet pipeline 102 It is interior, form ponding.
Wherein, the flow-stop valve 70 can be with any type of water flow switch valve, preferably solenoid valve in the present embodiment.Electromagnetism Response valve speed is fast, and control effect is good.
In addition, in above-described embodiment, it should be noted that when the flow detector 30 detects the outlet pipeline In 102 when non-water flow, the master control borad 20 controls the negative pressure generator 40 and closes, and controls the inlet valve 50 and open.This Sample user's next time is when hot water is used, it is ensured that the regular supply of hot water.
In addition, the structure based on above-mentioned hot water machine, the present invention also provides a kind of control methods of hot water machine, referring to Fig.1 and Fig. 2, this method comprises:
Step S10 detects the water flow flow signals in the outlet pipeline 102 of hot water machine;
In the use hot water conditions of hot water machine, it is discharged by 30 real-time detection of flow monitoring device on outlet pipeline 102 Water flow flow signals in pipeline 102, the water flow flow signals can be flow rate of water flow.
Step S20 determines whether the outlet pipeline 102 of the hot water machine is discharged according to the water flow flow signals;
In this step, it is assumed that water flow flow signals are flow rate of water flow, when detecting that the flow rate of water flow in outlet pipeline 102 is big When threshold value, then it represents that user is using hot water, i.e. outlet pipeline 102 is discharged;When detecting the water flow stream in outlet pipeline 102 When speed is less than or equal to threshold value, then it represents that user is in unused hot water, i.e., outlet pipeline 102 is without water outlet.
Step S30 controls the outlet pipe of the hot water machine when the outlet pipeline 102 for determining the hot water machine is without water outlet In hot water return to the water tank 10 of the hot water machine in road 102.
In the process of using hot water by users, when the outlet pipeline of hot water machine 102 is without water outlet, then it represents that user stops making It with hot water or has been finished with water, remaining hot water in outlet pipeline 102 can have been made to press by reducing the pressure in water tank 10 It is back under the action of power in water tank 10, that is, realizes the purpose for reducing pipeline class quantity of residual, and be stored in water after hot water return It in case 10, is used for next time, then further achievees the purpose that save thermal water resource.Further, since being used every time in user It after complete hot water, automatically controls remaining water in pipeline and is returned in water tank 10 in time, avoid hot water and rest on drop in pipeline Bacterium is led to the problem of after temperature, so that the bacteria breed in pipeline is reduced, it is more safe and healthy using water.
Further, after reference Fig. 3, above-mentioned steps S20 further include:
Step S30a in the outlet pipeline 102 for determining the hot water machine without water outlet, and determines that the hot water machine is in non-use When water state, control in the hot water return to the water tank 10 of the hot water machine in the outlet pipeline 102 of the hot water machine.
It is understood that sometimes user with water be not it is lasting, a period of time may be suspended, if at this point, control It will cause interference in hot water return to water tank 10 in the outlet pipeline 102 of water heating machine, shadow can be caused using hot water to user It rings, such as causes to be difficult to the case where being discharged.The present embodiment, it is ensured that the just common water of user is unaffected.
In the present embodiment, it is preferable that it with water state includes: to determine the hot water that the determination hot water machine, which is in non-, The outlet pipeline 102 of machine stops water outlet, and when not being discharged again within a preset time, determines that the hot water machine is in non-with watery State.Certainly, it can also be realized using other modes, not limited herein in other embodiments.
Further, after reference Fig. 4, above-mentioned steps S20 further include:
Step S30b controls the water inlet pipe of the hot water machine when the outlet pipeline 102 for determining the hot water machine is without water outlet The water tank that water inlet controls the hot water return in the outlet pipeline 102 of the hot water machine to the hot water machine again later is closed on road 101 In 10.
It is understood that when make in outlet pipeline 102 remaining hot water in pressure using the pressure reduced in water tank 10 Under the action of when being back in water tank 10, if not closing the water inlet of hot water machine inlet pipeline 101, it will cause hot water return when It waits, cold water is also rapidly injected in water tank 10, and after the water inlet of inlet pipeline 101 is closed, it avoids 10 negative pressure of water tank and makes Water inlet in inlet pipeline 101 is rapidly injected the problem in water tank 10.
To sum up, the method for the present invention user use hot water after, automatically control outlet pipeline 102 in remaining hot water and When be back in water tank 10, realize the purpose for reducing pipeline class quantity of residual, and be stored in after hot water return in water tank 10, can It is used for next time, then further achievees the purpose that save thermal water resource.Further, since user every time used hot water it Afterwards, it automatically controls remaining water in pipeline to return in time in water tank 10, avoids after hot water rests on the interior cooling of pipeline and generate The problem of bacterium, so that the bacteria breed in pipeline is reduced, it is more safe and healthy using water.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in scope of patent protection of the invention.

Claims (10)

1. a kind of hot water machine, the water inlet pipe and water outlet pipe including water tank and on the water tank, which is characterized in that the heat Water dispenser further includes that master control borad, the flow detector on the outlet pipeline and the negative pressure on the water tank generate Device, the flow detector and the negative pressure generator are electrically connected with the master control borad respectively;The master control borad is used in institute When stating flow detector and detecting outlet pipeline without water outlet, controls the negative pressure generator and open, to control the outlet pipe The water of road flows back into the water tank.
2. hot water machine as described in claim 1, which is characterized in that the master control borad is used to detect in the flow detector When stopping being discharged to outlet pipeline, and not being discharged again within a preset time, controls the negative pressure generator and open.
3. hot water machine as claimed in claim 1 or 2, which is characterized in that be provided on the inlet pipeline and the master control borad The inlet valve of electrical connection;The master control borad is used to also control when the flow detector detects outlet pipeline without water outlet The inlet valve is closed.
4. hot water machine as claimed in claim 3, which is characterized in that the master control borad is used to detect in the flow detector When to outlet pipeline without water outlet, controls and control the negative pressure generator unlatching after the inlet valve is closed again.
5. hot water machine as described in claim 1, which is characterized in that the master control borad is also used to examine when the flow detector When measuring non-water flow in the outlet pipeline, the master control borad controls the negative pressure generator and closes.
6. hot water machine as described in claim 1, which is characterized in that be additionally provided with flow-stop valve, the fluid stopping on the outlet pipeline Valve is set between the flow detector and the water tank.
7. a kind of control method of hot water machine, which is characterized in that this method comprises:
Detect the water flow flow signals in the outlet pipeline of hot water machine;
Determine whether the outlet pipeline of the hot water machine is discharged according to the water flow flow signals;
When the outlet pipeline for determining the hot water machine is without water outlet, hot water return in the outlet pipeline of the hot water machine is controlled extremely In the water tank of the hot water machine.
8. the control method of hot water machine as claimed in claim 7, which is characterized in that described true according to the water flow flow signals After the step of whether outlet pipeline of the fixed hot water machine is discharged further include:
In the outlet pipeline for determining the hot water machine without water outlet, and determine the hot water machine be in it is non-with water state when, control institute It states in the hot water return to the water tank of the hot water machine in the outlet pipeline of hot water machine.
9. the control method of hot water machine as claimed in claim 8, which is characterized in that the determination hot water machine is in non-use Water state includes:
When stopping water outlet in the outlet pipeline for determining the hot water machine, and not being discharged again within a preset time, the heat is determined Water dispenser is in non-and uses water state.
10. the control method of hot water machine as claimed in claim 7, which is characterized in that described according to the water flow flow signals After determining the step of whether outlet pipeline of the hot water machine is discharged further include:
When the outlet pipeline for determining the hot water machine is without water outlet, the inlet pipeline for controlling the hot water machine is closed after water inlet again It controls in the hot water return to the water tank of the hot water machine in the outlet pipeline of the hot water machine.
CN201610581658.5A 2016-07-21 2016-07-21 Hot water machine and its control method Active CN106247623B (en)

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CN106247623B true CN106247623B (en) 2019-06-07

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110906542B (en) * 2019-12-10 2021-06-11 海普电器有限公司 Water-saving temperature control system of air energy water heater
CN113110358A (en) * 2021-05-15 2021-07-13 周文波 Wisdom building integrated management system based on waste water circulation handles

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Publication number Priority date Publication date Assignee Title
CN201028795Y (en) * 2007-03-27 2008-02-27 王春宏 Pipe emptier of water heater
CN201983421U (en) * 2010-12-23 2011-09-21 东莞市蓝冠环保节能科技有限公司 Water heater with water return function
CN103411314A (en) * 2013-08-05 2013-11-27 广东美的暖通设备有限公司 Hot water machine backwater control component, hot water machine and backwater control method thereof
JP2014089008A (en) * 2012-10-31 2014-05-15 Noritz Corp Hot water heating circuit
CN104034044A (en) * 2014-06-27 2014-09-10 赵柯 Water saving device applicable to different types of water heaters
CN104344545A (en) * 2013-08-07 2015-02-11 吴江市龙发不锈钢制品有限公司 Intelligent electrical water boiler

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201028795Y (en) * 2007-03-27 2008-02-27 王春宏 Pipe emptier of water heater
CN201983421U (en) * 2010-12-23 2011-09-21 东莞市蓝冠环保节能科技有限公司 Water heater with water return function
JP2014089008A (en) * 2012-10-31 2014-05-15 Noritz Corp Hot water heating circuit
CN103411314A (en) * 2013-08-05 2013-11-27 广东美的暖通设备有限公司 Hot water machine backwater control component, hot water machine and backwater control method thereof
CN104344545A (en) * 2013-08-07 2015-02-11 吴江市龙发不锈钢制品有限公司 Intelligent electrical water boiler
CN104034044A (en) * 2014-06-27 2014-09-10 赵柯 Water saving device applicable to different types of water heaters

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