CN109724241A - Electric heater and its control method - Google Patents

Electric heater and its control method Download PDF

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Publication number
CN109724241A
CN109724241A CN201711041136.7A CN201711041136A CN109724241A CN 109724241 A CN109724241 A CN 109724241A CN 201711041136 A CN201711041136 A CN 201711041136A CN 109724241 A CN109724241 A CN 109724241A
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CN
China
Prior art keywords
heating tube
layer heating
top layer
pipe
electric heater
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.)
Pending
Application number
CN201711041136.7A
Other languages
Chinese (zh)
Inventor
谢亚光
邹树平
申勇兵
王明
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.)
Midea Group Co Ltd
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
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 Midea Group Co Ltd, Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201711041136.7A priority Critical patent/CN109724241A/en
Publication of CN109724241A publication Critical patent/CN109724241A/en
Pending legal-status Critical Current

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  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention discloses a kind of electric heaters, including liner, the water inlet pipe and outlet pipe being fixedly connected on liner, the top layer heating tube that is placed at the top of the liner and the bottom heating tube for being placed in the liner at the bottom, the water inlet of water inlet pipe is located at the bottom of liner, the water outlet of outlet pipe is located at liner top, the bottom heating tube is set to the side of water inlet pipe, the top layer heating tube is arranged around the water outlet of outlet pipe, the electric heater further includes the middle layer heating tube being placed among the liner, the middle layer heating tube is set to the top of the water inlet of water inlet pipe, the pipe table load of the top layer heating tube is 6W/cm2‑12W/cm2.It is 6W/cm present invention employs pipe table load2‑12W/cm2Top layer heating tube, since top layer heating tube pipe table load is lower, top layer heating tube can participate in completely electric heater water storage heating in.In this way, make electric heater can water in rapidly pre-warming liner, greatly reduce the water storage preheating waiting time.The invention also discloses the control methods of the electric heater.

Description

Electric heater and its control method
Technical field
The present invention relates to technical field of water heaters more particularly to water-storage electric heater and its control methods.
Background technique
Water-storage electric heater generallys use two heating units up and down.The heating unit of the lower part of the electric heater is pre- Hot heating unit, using the preheating heating unit, is used generally when the temperature of the water of autumn and winter injection water heater liner is lower To carry out the pre-heat treatment to the water in liner.The heating unit on top is i.e. hot heating unit, generally same what is be discharged from liner When, directly water outlet is heated immediately by the i.e. hot heating unit.
However, once carrying out the pre-heat treatment using preheating heating unit using above-mentioned water-storage electric heater, then preheating adds Water in entire liner can all be carried out the pre-heat treatment by hot cell.If water consumption at this time be not it is very big, on the one hand by The water that the pre-heat treatment is crossed can radiate outward and cool off, on the other hand, a large amount of pre- with regard to carrying out in the case where seldom water consumption Heat heating, and these can all lead to the waste of energy.
Summary of the invention
The main purpose of the present invention is to provide a kind of electric heaters, it is intended to solve due to traditional electric heater full gallbladder without exception The technical issues of energy dissipation brought by preheating.
To achieve the above object, electric heater provided by the invention include liner, the water inlet pipe that is fixedly connected on liner With outlet pipe, the top layer heating tube being placed at the top of the liner and the bottom heating tube for being placed in the liner at the bottom, water inlet pipe Water inlet be located at the bottom of liner, the water outlet of outlet pipe is located at liner top, which is set to water inlet pipe Side, the top layer heating tube are arranged around the water outlet of outlet pipe, and the electric heater further includes in being placed among the liner Interbed heating tube, the middle layer heating tube are set to the top of the water inlet of water inlet pipe, and the pipe table load of the top layer heating tube is 6W/cm2-12W/cm2
Preferably, the middle layer heating tube and top layer heating tube are fixed on the same flange.
Preferably, the top layer heating tube includes Heat preservation section, which is extended in the horizontal direction In the water outlet of outlet pipe.
Preferably, the top layer heating tube includes Heat preservation section, and the gap of Heat preservation section and outlet pipe is 10- 20mm。
Preferably, the Heat preservation section is formed double inverted U-shaped, the Heat preservation section by outlet pipe be located in two U-shaped it Between.
Preferably, the Heat preservation section forms M shape, which is located in outlet pipe between the M shape.
Preferably, the electric heater further includes the key for setting bather number.
The present invention also provides a kind of control method of above-mentioned electric heater comprising steps of
A. the operating mode of setting is obtained;
B. when the operating mode set is the first operating mode, starting bottom heating tube, middle layer heating tube and top layer Heating tube is heated to the first preheating target temperature, and stops heating after reaching the first preheating target temperature, when water in outlet pipe When stream is greater than starting flow, start top layer heating tube;When the operating mode set is the second operating mode, starting middle layer adds Heat pipe and top layer heating tube are heated to the second preheating target temperature and stop heating after reaching the second preheating target temperature, when out When water in-pipe flow is greater than starting flow, start top layer heating tube;When the operating mode set is third operating mode, starting Middle layer heating tube and top layer heating tube are heated to third preheating target temperature and stop after reaching third preheating target temperature Heating work starts top layer heating tube and middle layer heating tube when being discharged in-pipe flow greater than starting flow;When the work of setting When operation mode is four operating mode, when being discharged in-pipe flow greater than starting flow, starts top layer heating tube and middle layer adds Heat pipe.
Preferably, further comprise the steps of: in b step, according to water temperature in water inlet pipe and the operating mode of setting selection first, Second, third preheating target temperature.
Preferably, in b step, the first operating mode is more people's mold cleaning formulas, and the second operating mode is two people's mold cleaning formulas, the Three operating modes are single mold cleaning formula, and the 4th operating mode is quick mold cleaning formula.
Electric heater proposed by the present invention uses pipe table load for the top layer heating tube of 8W/cm2-11W/cm2, due to top Layer heating tube pipe table load is lower, therefore top layer heating tube can be participated in completely in the water storage heating of electric heater.In this way, So that electric water heater, there are many operating mode, each operating mode uses different control methods, had both met consumption The water yield demand of person's bathing, also reduces the loss of energy;In addition, in the first operating mode, that is, more people mold cleaning formula, it is also same When start bottom heating tube, middle layer heating tube and top layer heating tube and be heated to the first preheating target temperature, greatly reduce Preheat the waiting time.
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 electric heater of the present invention;
Fig. 2 is the perspective view of top layer heating tube and middle layer heating tube shown in FIG. 1;
Fig. 3 is the top view of top layer heating tube and temperature-sensitive blind pipe shown in FIG. 1.
Drawing reference numeral explanation:
Label Title Label Title
10 Electric heater 11 Liner
12 Water inlet pipe 13 Outlet pipe
14 Top layer heating tube 15 Bottom heating tube
16 Middle layer heating tube 17 Flange
141 Heat preservation section 142 First cold end
143 First connection bringing-up section 161 Second cold end
162 Second connection bringing-up section 163 Assist bringing-up section
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, it is obtained by those of ordinary skill in the art without making creative efforts 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 such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense, For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral;It can be mechanical connection, be also possible to Electrical connection;It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this The combination of technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of electric heater.
Please refer to Fig. 1, in the present embodiment, the electric heater 10 include liner 11, be fixedly connected on liner 11 into Water pipe 12 and outlet pipe 13, the top layer heating tube 14 for being placed in 11 top of liner and the bottom for being placed in 11 bottom of liner Heating tube 15, the water inlet of water inlet pipe 12 are located at the bottom of liner 11, and the water outlet of outlet pipe 13 is located at 11 top of liner, the bottom Layer heating tube 15 is set to the side of water inlet pipe 12, which is arranged around the water outlet of outlet pipe 13, the electricity Water heater 10 further includes the middle layer heating tube 16 being placed among the liner, which is set to water inlet pipe 12 The top of water inlet, the pipe table load of the top layer heating tube 14 are 6W/cm2-12W/cm2
It is 6W/cm present invention employs pipe table load2-12W/cm2Top layer heating tube 14, due to top layer heating tube 14 manage Table load is lower, therefore top layer heating tube 14 can be participated in completely in the water storage heating of electric heater 10.In this way, making electricity Water heater 10 can water in rapidly pre-warming liner, greatly reduce the water storage preheating waiting time.
As the preferred embodiment of the present invention, the middle layer heating tube 16 and top layer heating tube 14 are fixed on same On flange 17.The flange installing port on liner 11 can be so reduced, top layer heating tube 14 and middle layer heating tube 16 are reduced Technique and installation complexity, saved production cost, ensure that product quality.
Referring to Figure 2 together, specifically, the top layer heating tube 14 include Heat preservation section 141, it is inside from flange 17 Horizontal-extending first cold end 142 of gallbladder and the first connection heating extended from one end of cold end 142 to 11 upper angled of liner Section 143, first cold end of the first connection connection of bringing-up section 143 142 and Heat preservation section 141.
Preferably, the Heat preservation section 141 of the top layer heating tube 14 is extended in the horizontal direction in outlet pipe 13 Water outlet.In addition, the Heat preservation section 141 and the gap setting of outlet pipe 13 are 10-20mm.Setting can guarantee in this way The temperature for the hot water sent out from electric heater is stablized, and so that heat is concentrated on the water inlet of outlet pipe, directly mention Water temperature at this is risen, the loss of heat is avoided.
The Heat preservation section can form double inverted U-shaped (as shown in Figure 2), i.e. self back bending of Heat preservation section folds to be formed, Outlet pipe can be located between two U-shaped by such Heat preservation section.Using double inverted u-shaped, promotion water outlet not only ensure that The water inlet water temperature of pipe 4, and the probability that scale is deposited on electric heating pipe surface can also be reduced, improve heating tube uses the longevity Life.
Certainly, which can also form M shape, which is located in outlet pipe between the M shape.It adopts With M shape, similar double inverted u-shaped effects can also be obtained.
The electric heater further includes the key for setting bather number, in order to which consumer selects in their own needs Select suitable control program.
The specific work steps of the electric heater is as follows:
When user selects the first operating mode, such as three people's mold cleaning formulas, starting bottom heating tube 15, middle layer heating tube 16 And top layer heating tube 14 is heated to the first preheating target temperature.When water temperature reaches the first preheating target temperature and water outlet is not detected Water flow in pipe 13 reaches starting flow, then bottom heating tube 15, middle layer heating tube 16 and top layer heating tube 14 stop working. When the water flow in outlet pipe 13 reaches starting flow, starting top layer heating tube 14.
When user selects the second operating mode, such as two people's mold cleaning formulas, starting middle layer heating tube 16 and top layer heating tube 14 are heated to the second preheating target temperature.When the water flow that water temperature reaches the second preheating target temperature and is not detected in outlet pipe 13 Reach starting flow, then middle layer heating tube 16 and top layer heating tube 14 stop working.It is opened when the water flow in outlet pipe 13 reaches Dynamic flow, starting top layer heating tube 14 work.
When user selects third operating mode, such as people's mold cleaning formula, starting middle layer heating tube 16 and top layer heating tube 14 are heated to third preheating target temperature.When the water flow that water temperature reaches third preheating target temperature and is not detected in outlet pipe 13 Reach starting flow, then middle layer heating tube 16 and top layer heating tube 14 stop working.It is opened when the water flow in outlet pipe 13 reaches Dynamic flow, starts top layer heating tube 14 and middle layer heating tube 16.Since third preheating target temperature is lower than the second preheating target Temperature, in order to be able to satisfy the bathing requirement of user during bathing discharges water, therefore need to start simultaneously top layer heating tube 14 and Middle layer heating tube 16, so will not also waste of energy to promote the immediate thermal function effect of a small amount of water.
When user selects the 4th operating mode (quick mold cleaning formula), when the water flow in outlet pipe 13 reaches starting flow, open Dynamic top layer heating tube 14 and middle layer heating tube 16, without preheating in advance.
In addition, in other embodiments of the invention can also according to the flow rate of water flow in water inlet pipe 12 or outlet pipe 13 come Determine whether to start the work of associated heat pipe.
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 design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly He is included in scope of patent protection of the invention relevant technical field.

Claims (10)

1. a kind of electric heater including liner, the water inlet pipe being fixedly connected on liner and outlet pipe, is placed at the top of the liner Top layer heating tube and be placed in the bottom heating tube of the liner at the bottom, the water inlet of water inlet pipe is located at the bottom of liner, out The water outlet of water pipe is located at liner top, which is set to the side of water inlet pipe, and the top layer heating tube is around water outlet The water outlet of pipe is arranged, which is characterized in that the electric heater further includes the middle layer heating tube being placed among the liner, in this Interbed heating tube is set to the top of the water inlet of water inlet pipe, and the pipe table load of the top layer heating tube is 6W/cm2-12W/cm2
2. electric heater as described in claim 1, which is characterized in that the middle layer heating tube and top layer heating tube are fixed on On the same flange.
3. electric heater as claimed in claim 2, which is characterized in that the top layer heating tube includes Heat preservation section, the guarantor Warm bringing-up section is extended the water outlet in outlet pipe in the horizontal direction.
4. electric heater as claimed in claim 2, which is characterized in that the top layer heating tube includes Heat preservation section, heat preservation The gap of bringing-up section and outlet pipe is 10-20mm.
5. electric heater as described in claim 3 or 4, which is characterized in that the Heat preservation section forms double inverted U-shaped, guarantors Outlet pipe is located between two U-shaped by warm bringing-up section.
6. electric heater as described in claim 3 or 4, which is characterized in that state Heat preservation section and form M shape, the Heat preservation Outlet pipe is located between the M shape by section.
7. the electric heater as described in Claims 1-4 any one, which is characterized in that the electric heater further includes being used for Set the key of bather number.
8. a kind of control method of electric heater as described in claim 1, which is characterized in that comprising steps of
A. the operating mode of setting is obtained;
B. when the operating mode set is the first operating mode, starting bottom heating tube, middle layer heating tube and top layer heating Pipe is heated to the first preheating target temperature, and stops heating after reaching the first preheating target temperature, when water outlet in-pipe flow is big When starting flow, start top layer heating tube;When the operating mode set is the second operating mode, start middle layer heating tube And top layer heating tube is heated to the second preheating target temperature and stops heating after reaching the second preheating target temperature, works as outlet pipe When interior water flow is greater than starting flow, start top layer heating tube;When the operating mode set is third operating mode, starting is intermediate Layer heating tube and top layer heating tube are heated to third preheating target temperature and stop heating after reaching third preheating target temperature Work starts top layer heating tube and middle layer heating tube when being discharged in-pipe flow greater than starting flow;When the Working mould of setting When formula is four operating mode, when being discharged in-pipe flow greater than starting flow, start top layer heating tube and middle layer heating tube.
9. the control method of electric heater as claimed in claim 8, which is characterized in that further comprise the steps of: in b step, root The first, second, third preheating target temperature is selected according to water temperature in water inlet pipe and the operating mode of setting.
10. the control method of electric heater as claimed in claim 8, which is characterized in that in b step, the first operating mode For more people's mold cleaning formulas, the second operating mode is two people's mold cleaning formulas, and third operating mode is single mold cleaning formula, and the 4th operating mode is Quick mold cleaning formula.
CN201711041136.7A 2017-10-30 2017-10-30 Electric heater and its control method Pending CN109724241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711041136.7A CN109724241A (en) 2017-10-30 2017-10-30 Electric heater and its control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711041136.7A CN109724241A (en) 2017-10-30 2017-10-30 Electric heater and its control method

Publications (1)

Publication Number Publication Date
CN109724241A true CN109724241A (en) 2019-05-07

Family

ID=66294107

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711041136.7A Pending CN109724241A (en) 2017-10-30 2017-10-30 Electric heater and its control method

Country Status (1)

Country Link
CN (1) CN109724241A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201184684Y (en) * 2008-01-14 2009-01-21 欧永源 Separate type heating dual-inner-bag electric water heater
KR20100044522A (en) * 2008-10-22 2010-04-30 김정훈 Warm water boiler apparatus using carbon fiber tube heater
CN201476311U (en) * 2009-08-03 2010-05-19 海尔集团公司 Layered heating unit and layered heating water heater
CN201547939U (en) * 2009-10-26 2010-08-11 宁波帅康热水器有限公司 Improved electric water heater
CN204063537U (en) * 2014-09-16 2014-12-31 芜湖美的厨卫电器制造有限公司 Electric heater
CN204460671U (en) * 2015-01-14 2015-07-08 青岛经济技术开发区海尔热水器有限公司 Electric water heater

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201184684Y (en) * 2008-01-14 2009-01-21 欧永源 Separate type heating dual-inner-bag electric water heater
KR20100044522A (en) * 2008-10-22 2010-04-30 김정훈 Warm water boiler apparatus using carbon fiber tube heater
CN201476311U (en) * 2009-08-03 2010-05-19 海尔集团公司 Layered heating unit and layered heating water heater
CN201547939U (en) * 2009-10-26 2010-08-11 宁波帅康热水器有限公司 Improved electric water heater
CN204063537U (en) * 2014-09-16 2014-12-31 芜湖美的厨卫电器制造有限公司 Electric heater
CN204460671U (en) * 2015-01-14 2015-07-08 青岛经济技术开发区海尔热水器有限公司 Electric water heater

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Application publication date: 20190507

RJ01 Rejection of invention patent application after publication