CN106196575B - The control strategy of water heater and water heater - Google Patents

The control strategy of water heater and water heater Download PDF

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Publication number
CN106196575B
CN106196575B CN201610554339.5A CN201610554339A CN106196575B CN 106196575 B CN106196575 B CN 106196575B CN 201610554339 A CN201610554339 A CN 201610554339A CN 106196575 B CN106196575 B CN 106196575B
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CN
China
Prior art keywords
heating unit
liner
water heater
heating
water
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CN201610554339.5A
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Chinese (zh)
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CN106196575A (en
Inventor
张艺东
申勇兵
彭海斌
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Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Priority to CN201610554339.5A priority Critical patent/CN106196575B/en
Publication of CN106196575A publication Critical patent/CN106196575A/en
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Classifications

    • 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
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18Water-storage heaters
    • F24H1/20Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/202Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
    • 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
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18Water-storage heaters
    • F24H1/20Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • 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
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021Storage 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
    • F24H2250/00Electrical heat generating means
    • F24H2250/02Resistances

Abstract

The invention discloses a kind of water heater and the control strategy of water heater, water heater includes: the first liner, and the first liner is equipped with the first heating unit and the second heating unit, and the first liner has water inlet;Second liner, the lower part of second liner is connected to the top of the first liner, the lower part of second liner is equipped with third heating unit and top is equipped with the 4th heating unit, and third heating unit and the 4th heating unit are protruded into from the different ends of the second liner, and the second liner has water outlet;Wherein, water heater is arranged to optionally open the first heating unit and/or the second heating unit and/or third heating unit and/or the 4th heating unit.The water heater of the embodiment of the present invention can make water heater remain at high-power operation state, and the hot water delivery efficiency of water heater is high, output quantity is big by controlling the working condition of each heating unit.

Description

The control strategy of water heater and water heater
Technical field
The invention belongs to technical field of water heaters, in particular to a kind of water heater and the control strategy of the water heater.
Background technique
In the related technology, the products scheme that double gallbladder Horizontal electric water heaters generally use are as follows: two liners are drawn by liner middle section The middle siphunculus butt welding connection stretched out, one group of heating unit is respectively arranged in two liners, and two groups of heating units are worked alternatively to add Water in the corresponding liner of heat, for above scheme during heating discharges water, there are more mixing phenomenas for the water in two gallbladders, reduce Hot water delivery rate, and the heating power of water heater is low, heating speed is slow, and heating waterdrainage amount is few, it is difficult to meet the need of big water consumption (such as bathtub water) is asked, there are rooms for improvement.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention One purpose is to propose a kind of water heater that heating efficiency is high.
It is another object of the present invention to the control strategies for proposing above-mentioned water heater.
The water heater of embodiment includes: the first liner according to a first aspect of the present invention, and first liner is equipped with first and adds Hot cell and the second heating unit, and first liner has water inlet;Second liner, the lower part of second liner and institute The top connection of the first liner is stated, the lower part of second liner is equipped with third heating unit and top is equipped with the 4th heating list Member, and the third heating unit and the 4th heating unit are protruded into from the different ends of second liner, in described second Gallbladder has water outlet;Wherein, the water heater is arranged to optionally open first heating unit and/or described second Heating unit and/or the third heating unit and/or the 4th heating unit.
Two heating units are respectively set in the water heater of embodiment according to a first aspect of the present invention in each liner, lead to The working condition for controlling each heating unit is crossed, water heater can be made to remain at high-power operation state, and water heater Hot water delivery efficiency is high, and output quantity is big.
In addition, water heater according to the above embodiment of the present invention can also have the following additional technical features:
In some preferred embodiments of the invention, first heating unit and second heating unit are each provided at The lower part of first liner.
Preferably, the power of first heating unit is P1, and the power of second heating unit is P2, the third The power of heating unit is P3, and the power of the 4th heating unit is P4, is met: P1=P3, P2=P4.
Further, meet: 1750W≤P1≤2250W, 2750W≤P2≤3250W.
In some preferred embodiments of the invention, the water heater further include: double-way pipe, the one of the double-way pipe The top of the gallbladder mouth of first liner is protruded at end, and the other end protrudes into the lower part at the gallbladder bottom of second liner.
In some preferred embodiments of the invention, the water heater further include: water inlet pipe, the water inlet pipe run through The gallbladder bottom of first liner, and open at one end, to form the water inlet, the other end is located at the gallbladder bottom of first liner Lower part;Outlet pipe, the outlet pipe runs through the gallbladder bottom of second liner, and open at one end is to form the water outlet, another End is located at the top of the gallbladder mouth of second liner.
Preferably, first heating unit and second heating unit are electric heating tube, and from described first First liner is protruded into the lower part at the gallbladder bottom of liner.
In some preferred embodiments of the invention, the third heating unit and the 4th heating unit are Electric heating tube;The third heating unit protrudes into second liner from the lower part at the gallbladder bottom of second liner;Described 4th Heating unit protrudes into second liner in the middle part of the gallbladder mouth of second liner and is configured to bent.
Optionally, the water heater is vertical or horizontal.
The control strategy of the water heater of embodiment according to a second aspect of the present invention, the water heater are that first aspect is any The water heater includes the following steps: S1, opens the third heating unit and the 4th heating unit, other heating Unit is in close state;When S2, the temperature on second liner top reach the first preset temperature T1, described second is opened Heating unit and the third heating unit, close other heating units;S3, the temperature on second liner top reach When two preset temperature T2, first heating unit and second heating unit are opened, other heating units are closed;S4, When the temperature on first liner top reaches third preset temperature T3, first heating unit and second heating are closed Unit;Wherein, 0 DEG C of T2-T1≤5 DEG C <.
In some preferred embodiments of the invention, the control strategy of water heater further includes following steps: S5, described Water heater starts to open first heating unit and second heating unit after putting hot water, and closes other heating units;S6, When temperature on first liner top reduces the 4th preset temperature T4, opens the second heating unit and third heating is single Member closes other heating units;When S7, the temperature in the middle part of second liner reduce the 5th preset temperature T5, third is opened Heating unit and the 4th heating unit, close other heating units.
In some preferred embodiments of the invention, meet: 50 DEG C≤T1≤80 DEG C, 50 DEG C≤T3≤80 DEG C.
Further, meet: T1=T3.
In some preferred embodiments of the invention, meet: 10 DEG C≤T4≤20 DEG C, 10 DEG C≤T5≤20 DEG C.
Further, meet: T4=T5=15 DEG C.
Possessed advantage is identical compared with the existing technology with above-mentioned water heater for the control strategy of the water heater, herein It repeats no more.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of water heater according to an embodiment of the present;
Fig. 2 is the structural schematic diagram of the gallbladder mouth of water heater according to an embodiment of the present;
Fig. 3 is the structural schematic diagram of the water heater of another embodiment according to the present invention;
Fig. 4 is the structural schematic diagram of the gallbladder mouth of the water heater of another embodiment according to the present invention;
Fig. 5 is the structural schematic diagram at the gallbladder bottom of the water heater of another embodiment according to the present invention;
Fig. 6 is the control strategy schematic diagram of water heater according to an embodiment of the present invention.
Appended drawing reference:
Water heater 100,
First liner 1, the first heating unit 11, the second heating unit 12, the first liner thermometric bar 15,
Second liner 2, third heating unit 23, the 4th heating unit 24, the second liner thermometric bar 25,
Double-way pipe 3,
Water inlet pipe 4, water inlet 41,
Outlet pipe 5, water outlet 51.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Water heater 100 according to an embodiment of the present invention, as Figure 1-Figure 5, hot water is described in detail referring to Fig. 1-Fig. 5 Device 100 includes the first liner 1 and the second liner 2.When water heater 100 is Vertical Heat hydrophone, the second liner 2 and the first liner 1 are simultaneously Row's setting;When water heater 100 is horizontal water heater, the second liner 2 is placed in the top of the first liner 1.
Wherein, the first liner 1 be equipped with the first heating unit 11 and the second heating unit 12, and the first liner 1 have into The mouth of a river 41.Second liner 2 is connected to the first liner 1, and the second liner 2 is equipped with third heating unit 23 and the 4th heating unit 24, Third heating unit 23 and the 4th heating unit 24 protrude into the second liner 2 from the different ends of the second liner 2, and the second liner 2 has Water outlet 51.Third heating unit 23 is located at the lower part of the second liner 2, and the 4th heating unit 24 is located at the top of the second liner 2, In this way, can heat respectively for the upper and lower part of the second liner 2, the heating effect of water heater 100 is more preferable, and heating mode is more Multiplicity.
Water heater 100 is arranged to optionally open the first heating unit 11 and/or the second heating unit 12 and/or Three heating units 23 and/or the 4th heating unit 24.
That is, the water inlet 41 of cold water from below enters the first liner 1, hot water is flowed out from the second liner 2 of top, When using water heater 100, water heater 100 can be according to operating conditions the first heating unit 11, the second heating unit at that time 12, the working condition of third heating unit 23, the 4th heating unit 24, for example when just opening water heater 100, the can be opened Third heating unit 23 and the 4th heating unit 24 on two liners 2, first heat the water in the second liner 2, due to the second liner 2 It is placed in the top of the first liner 1, the hot water heated in the second liner 2 is not easy and the cold water mix in the first liner 1, hot water output Rate is high.It is, of course, also possible to according to the unlatching that other heating units of the operating conditions of water heater 100 combine, for example the first heating is single Member 11 and the second heating unit 12 are opened or the second heating unit 12 and the unlatching of third heating unit 23 etc..
Two heating units are respectively set in each liner, pass through control for water heater 100 according to an embodiment of the present invention The working condition of each heating unit can make water heater 100 remain at high-power operation state, and water heater 100 Hot water delivery efficiency is high, and output quantity is big.
As depicted in figs. 1 and 2, in some preferred embodiments of the invention, water heater 100 can also include double-way pipe 3, one end of double-way pipe 3 can protrude into the top at the gallbladder bottom of the first liner 1, and the other end of double-way pipe 3 can protrude into the second liner 2 Gallbladder mouth lower part.In this way, the water on the top of the first liner 1 can only first flow to the lower part of the second liner 2, the water of the first liner 1 Be not easy to mix with the water of the second liner 2, and the water of the first liner 1 separate out the mouth of a river 51 stroke it is remote, the output of the hot water of water heater 100 Rate is higher.
As shown in Figure 3 and Figure 5, in other preferred embodiments of the invention, water heater 100 can also include bilateral Pipe 3, one end of double-way pipe 3 can protrude into the top of the gallbladder mouth of the first liner 1, and the other end of double-way pipe 3 can protrude into second The lower part at the gallbladder bottom of gallbladder 2.In this way, the water on the top of the first liner 1 can only first flow to the lower part of the second liner 2, the first liner 1 Water is not easy to mix with the water of the second liner 2, and the water of the first liner 1 separate out the mouth of a river 51 stroke it is remote, the hot water of water heater 100 is defeated Extracting rate is higher.
As Figure 1-Figure 5, water heater 100 further includes water inlet pipe 4 and outlet pipe 5.
In some alternative embodiments, with reference to Fig. 1 and Fig. 2, water inlet pipe 4 can run through the gallbladder mouth of the first liner 1, and into For the open at one end of water pipe 4 to form water inlet 41, the other end of water inlet pipe 4 is located at the lower part of the gallbladder mouth of the first liner 1, outlet pipe 5 can run through the gallbladder mouth of the second liner 2, and the open at one end of outlet pipe 5 is to form water outlet 51, the other end position of outlet pipe 5 In the top at the gallbladder bottom of the second liner 2.In this way, the stroke between water inlet 41 and water outlet 51 is long, can be avoided as much as Cold water is not heated just to flow out.
In other optional embodiments, with reference to Fig. 3 and Fig. 5, water inlet pipe 4 can run through the gallbladder bottom of the first liner 1, and For the open at one end of water inlet pipe 4 to form water inlet 41, the other end of water inlet pipe 4 is located at the lower part at the gallbladder bottom of the first liner 1, water outlet Pipe 5 can run through the gallbladder bottom of the second liner 2, and the open at one end of outlet pipe 5 is to form water outlet 51, the other end of outlet pipe 5 Positioned at the top of the gallbladder mouth of the second liner 2.In this way, the stroke between water inlet 41 and water outlet 51 is long, can keep away as much as possible Exempt from the not heated just outflow of cold water.
Preferably, the first liner 1 can be each provided at reference to Fig. 1 and Fig. 3, the first heating unit 11 and the second heating unit 12 Lower part.It can guarantee the heating of the available abundance of cold water of the lower part of the first liner 1 positioned at lower part, water heater in this way 100 is bigger in maximum hot water offer amount immediately.First heating unit 11 and the second heating unit 12 can be U-shaped, and such Effective heated length of one heating unit 11 and the second heating unit 12 is bigger.
As depicted in figs. 1 and 2, in some optional embodiments of the invention, the first heating unit 11 and the second heating Unit 12 can be electric heating tube, and the first heating unit 11 and the second heating unit 12 can be from the gallbladders of the first liner 1 The first liner 1 is protruded at the middle part of mouth, and the first heating unit 11 and the second heating unit 12 are configured to bent, and the first heating is single One end of the separate gallbladder mouth of member 11 and the second heating unit 12 can be bent downward.
As shown in Figure 3 and Figure 5, in other optional embodiments of the invention, the first heating unit 11 and second adds Hot cell 12 is electric heating tube, and the first heating unit 11 and the second heating unit 12 are under the gallbladder bottom of the first liner 1 Portion protrudes into the first liner 1.
Preferably, with reference to Fig. 1 and Fig. 3, third heating unit 23 and the 4th heating unit 24 can be U-shaped, and such Effective heated length of three heating units 23 and the 4th heating unit 24 is bigger.
As depicted in figs. 1 and 2, in some preferred embodiments of the invention, third heating unit 23 and the 4th heating Unit 24 can be electric heating tube, and third heating unit 23 and the 4th heating unit 24 can be from the same ends of the second liner 2 It protrudes into, and third heating unit 23 can protrude into the second liner 2, the 4th heating unit 24 from the lower part of the gallbladder mouth of the second liner 2 The second liner 2 is protruded into the middle part of the gallbladder mouth of the second liner 2 and is configured to bent, the separate gallbladder mouth of the 4th heating unit 24 One end can be folded upward to heat the water on 2 top of the second liner.
As shown in Figure 3 and Figure 4, in other preferred embodiments of the invention, third heating unit 23 and the 4th adds Hot cell 24 is electric heating tube, and third heating unit 23 and the 4th heating unit 24 can be stretched from the different ends of the second liner 2 Enter, in this way, third heating unit 23 and the 4th heating unit 24 to the heating of the second liner 2 more evenly.Third heating unit 23 The second liner 2 can be protruded into from the lower part at the gallbladder bottom of the second liner 2, the 4th heating unit 24 can be from the gallbladder mouth of the second liner 2 Middle part protrude into the second liner 2, and the 4th heating unit 24 is it is so structured that bent, the separate gallbladder mouth of the 4th heating unit 24 One end can be folded upward at heat 2 top of the second liner water.
In some preferred embodiments of the invention, the power of the first heating unit 11 is P1, the second heating unit 12 Power be P2, the power of third heating unit 23 is P3, and the power of the 4th heating unit 24 is P4, and P1, P3, P2, P4 can be with Meet: P1=P3, P2=P4.As long as in this way, control the first heating unit 11 and third heating unit 23 in one unlatching, with And second one in heating unit 12 and the 4th heating unit 24 open water heater 100 can be made to be maintained at highest heating function Rate, and alternating is opened different heating units and can be heated to the different location of the first liner 1 and the second liner 2.
Preferably, P1, P3, P2, P4 can satisfy: 1750W≤P1=P3≤2250W, 2750W≤P2=P4≤3250W. Such as in a specific example, P1=P3=2000W, P2=P4=3000W.In this way, alternately opening different heating lists Member, and control a unlatching and the second heating unit 12 and the 4th in the first heating unit 11 and third heating unit 23 One in heating unit 24 is opened the heating power that water heater 100 can be made to be maintained at 5000W, and it is negative both to have met household electricity Lotus, and it is able to satisfy large hot water volume's demand.
Water heater 100 can be set at least can the first operating mode, the second operating mode and third operating mode it Between switch.Wherein, when water heater 100 is in the first operating mode, third heating unit 23 and the starting of the 4th heating unit 24, He closes at heating unit, and water heater 100 heats the second liner 2 at this time;When water heater 100 is in the second operating mode, second adds Hot cell 12 and third heating unit 23 start, other heating units are closed, and water heater 100 heats under the first liner 1 at this time Portion and the lower part of the second liner 2;When water heater 100 is in third operating mode, the first heating unit 11 and the second heating are single Member 12 starts, other heating units are closed, and water heater 100 heats the lower part of the first liner 1 at this time.
With reference to Fig. 1-Fig. 5, the water temperature of the first liner 1 can be detected in the first liner 1 equipped with the first liner thermometric bar 15, The second liner thermometric bar 25 can be equipped in second liner 2 to detect the water temperature of the second liner 2.Wherein, with reference to Fig. 1 and Fig. 3, One liner thermometric bar 15 can be two, and two the first liner thermometric bars 15 are respectively intended to 1 middle part of the first liner of detection and top Water temperature.Second liner thermometric bar 25 can be two, the second liner thermometric bar 25 be respectively intended to detection the second liner 2 middle part and The water temperature on top.
Optionally, water heater 100 can also include control unit (not shown), control unit and the first liner thermometric Bar 15 is connected with the second liner thermometric bar 25, and control unit also adds with the first heating unit 11, the second heating unit 12, third Hot cell 23, the 4th heating unit 24 are connected, with what is detected according to the first liner thermometric bar 15 and the second liner thermometric bar 25 Water temperature controls the state of the first heating unit 11, the second heating unit 12, third heating unit 23, the 4th heating unit 24.
Specifically, water heater 100 can be set into enters the first operating mode up to the top of the second liner 2 on startup Temperature reach the first preset temperature T1, and be switched to the second operating mode until the temperature on the top of the second liner 2 reaches the Two preset temperature T2, and third operating mode is switched to until the temperature on the top of the first liner 1 reaches third preset temperature T3. Wherein, T1 is slightly below T2, such as 0 DEG C of T2-T1≤5 DEG C <, and T2 is the preset holding temperature of the second liner 2, and T3 is the first liner 1 Preset holding temperature.
Further, water heater 100, which can be set into, enters third operating mode until first after heating discharges water beginning The temperature on the top of liner 1 reduces the 4th preset temperature T4, and is switched to the second operating mode up to the middle part of the second liner 2 Temperature reduces the 5th preset temperature T5, and is switched to the first operating mode.Wherein T4 and T5 can be 15 DEG C or so.
A specific embodiment according to the present invention is described below.
As Figure 1-Figure 2, water heater 100 can be horizontal water heater, and water heater 100 includes the first liner 1 and second Liner 2, and the second liner 2 is placed in the top of the first liner 1, the first liner 1 and the second liner 2 and is connected to by double-way pipe 3, bilateral One end of pipe 3 protrudes into the top at the gallbladder bottom of the first liner 1 from the top of the gallbladder mouth of the first liner 1, and the other end of double-way pipe 3 is from The lower part of the gallbladder mouth of two liners 2 can protrude into the lower part of the gallbladder mouth of the second liner 2.The lower part of the gallbladder mouth of first liner 1 be equipped with into The top of water pipe 4, the gallbladder mouth of the second liner 2 is equipped with outlet pipe 5, and outlet pipe 5 extends to the upper of the gallbladder bottom of the second liner 2 Portion.
First liner 1 is equipped with the first heating unit 11 and the second heating unit 12, and it is single that the second liner 2 is equipped with third heating Member 23 and the 4th heating unit 24, the first heating unit 11,12 third heating unit 23 of the second heating unit and the 4th heating are single Member 24 is electric heating tube, and is U-shaped.
First heating unit 11 and the second heating unit 12 are each provided at the lower part of the first liner 1, and the first heating unit 11 The first liner 1 is protruded into the middle part of the gallbladder mouth of the first liner 1 with the second heating unit 12, the first heating unit 11 and second adds Hot cell 12 is configured to bent, and one end of the separate gallbladder mouth of the first heating unit 11 and the second heating unit 12 is turned under Folding.
Third heating unit 23 is located at the lower part of the second liner 2, and the 4th heating unit 24 is located at the top of the second liner 2, Third heating unit 23 protrudes into the second liner 2 from the lower part of the gallbladder mouth of the second liner 2, and the 4th heating unit 24 is from the second liner 2 Gallbladder mouth in the middle part of protrude into the second liner 2 and be configured to bent, one end of the separate gallbladder mouth of the 4th heating unit 24 is bent up Folding.
The power P 1 of first heating unit 11, the power P 2 of the second heating unit 12, the power P 3 of third heating unit 23 Meet with the power P 4 of the 4th heating unit 24: 1750W≤P1=P3≤2250W, 2750W≤P2=P4≤3250W, P1+P2 =5000W.
Water heater 100 can be set at least can the first operating mode, the second operating mode and third operating mode it Between switch, wherein when water heater 100 is in the first operating mode, third heating unit 23 and the 4th heating unit 24 starting, He closes at heating unit;When water heater 100 is in the second operating mode, the second heating unit 12 and third heating unit 23 are opened Dynamic, other heating units are closed;When water heater 100 is in third operating mode, the first heating unit 11 and the second heating unit 12 startings, other heating units are closed.
Another specific embodiment according to the present invention is described below.
As shown in Figure 3-Figure 5, water heater 100 is Vertical Heat hydrophone or horizontal water heater, and water heater 100 includes the first liner 1 and second liner 2, and the second liner 2 is placed in the top of the first liner 1, the first liner 1 and the second liner 2 and is connected by double-way pipe 3 Logical, one end of double-way pipe 3 protrudes into the top of the gallbladder mouth of the first liner 1 from the top at the gallbladder bottom of the first liner 1, double-way pipe 3 it is another One end can protrude into the lower part at the gallbladder bottom of the second liner 2 from the lower part at the gallbladder bottom of the second liner 2.Under the gallbladder bottom of first liner 1 Portion is equipped with water inlet pipe 4, and the top at the gallbladder bottom of the second liner 2 is equipped with outlet pipe 5, and outlet pipe 5 extends to the second liner 2 The top of gallbladder mouth.
First liner 1 is equipped with the first heating unit 11 and the second heating unit 12, and it is single that the second liner 2 is equipped with third heating Member 23 and the 4th heating unit 24, the first heating unit 11,12 third heating unit 23 of the second heating unit and the 4th heating are single Member 24 is electric heating tube, and is U-shaped.
First heating unit 11 and the second heating unit 12 are each provided at the lower part of the first liner 1, and the first heating unit 11 The first liner 1 is protruded into from the lower part at the gallbladder bottom of the first liner 1 with the second heating unit 12.
Third heating unit 23 is located at the lower part of the second liner 2, and the 4th heating unit 24 is located at the top of the second liner 2, Third heating unit 23 protrudes into the second liner 2 from the lower part at the gallbladder bottom of the second liner 2, and the 4th heating unit 24 is from the second liner 2 Gallbladder mouth in the middle part of protrude into the second liner 2 and be configured to bent, one end of the separate gallbladder mouth of the 4th heating unit 24 is bent up Folding.
The power P 1 of first heating unit 11, the power P 2 of the second heating unit 12, the power P 3 of third heating unit 23 Meet with the power P 4 of the 4th heating unit 24: 1750W≤P1=P3≤2250W, 2750W≤P2=P4≤3250W, P1+P2 =5000W.
Water heater 100 can be set at least can the first operating mode, the second operating mode and third operating mode it Between switch, wherein when water heater 100 is in the first operating mode, third heating unit 23 and the 4th heating unit 24 starting, He closes at heating unit;When water heater 100 is in the second operating mode, the second heating unit 12 and third heating unit 23 are opened Dynamic, other heating units are closed;When water heater 100 is in third operating mode, the first heating unit 11 and the second heating unit 12 startings, other heating units are closed.
In conclusion water heater 100 according to an embodiment of the present invention, can make on the basis of meeting household electricity load Water heater 100 is maintained at highest heating power, and the hot water delivery efficiency of water heater 100 is high, and output quantity is big.
The control strategy of water heater 100 according to an embodiment of the present invention is described below.
With reference to Fig. 1-Fig. 6, water heater 100 is any water heater 100 of above-described embodiment description, the control of water heater 100 Strategy processed includes the following steps: S1, opens third heating unit 23 and the 4th heating unit 24, other heating units, which are in, closes State;When S2, the temperature on 2 top of the second liner reach the first preset temperature T1, opens the second heating unit 12 and third adds Hot cell 23 closes other heating units;When S3, the temperature on 2 top of the second liner reach the second preset temperature T2, the is opened One heating unit 11 and the second heating unit 12, close other heating units;S4, the temperature on 1 top of the first liner reach When three preset temperature T3, the first heating unit 11 and the second heating unit 12 are closed;Wherein, 0 DEG C of T2-T1≤5 DEG C <.
In other words, first heat the water in the second liner 2, until when the water temperature on 2 top of the second liner is close to T2, at this time the 4th plus The heating efficiency of hot cell 24 is lower, the water of heating 2 lower part of the second liner and 1 lower part of the first liner is switched to, to the second liner 2 When the water temperature on top reaches T2, the second liner 2 is in keeping warm mode, and the heating efficiency of third heating unit 23 is extremely low, is switched to The water for heating 1 lower part of the first liner, when the temperature on 1 top of the first liner reaches third preset temperature T3, the first liner 1 is close Keeping warm mode closes all heating units.In some alternative embodiments, T1 and T3 can satisfy: 50 DEG C≤T1≤80 DEG C, 50℃≤T3≤80℃.The specific value of T1 and T3 is depending on the set temperature of water heater 100, for simplified control, T1= T3。
The heating efficiency of the control strategy of water heater 100 according to an embodiment of the present invention, water heater 100 is high, can be quick Ground hot-water supply.
Further, the control strategy of water heater 100 further includes following steps: S5, after water heater 100 starts to put hot water The first heating unit 11 and the second heating unit 12 are opened, other heating units are closed;S6, the temperature on 1 top of the first liner When reducing the 4th preset temperature T4, the second heating unit 12 and third heating unit 23 are opened, other heating units are closed;S7, When temperature at 2 middle part of the second liner reduces the 5th preset temperature T5, third heating unit 23 and the 4th heating unit 24 are opened, Close other heating units.
In other words, start after putting hot water, hot water flows from bottom to top, and the lower section of the first liner of cold water 1 enters.First open To heat the cold water newly injected, the temperature on 1 top of the first liner reduces the 4th for one heating unit 11 and the second heating unit 12 When preset temperature T4, show that the rate that discharges water is not achieved in the heating efficiency of water heater 100, individually heats 1 bottom of the first liner at this time Cold water efficiency it is lower, be changed to heating the second liner 2 lower part and the first liner 1 lower part water, in the second liner 2 When the temperature in portion reduces the 5th preset temperature T5, the cold water of heating 1 bottom of the first liner is unable to reach out the effect of hot water substantially, It is changed to the second liner 2 of heating, in this way, in the process of water release, by gradual control heating mode, keeping water heater 100 most The output quantity of hot water can be increased on the basis of big heating power.In some alternative embodiments, T4 and T5 can satisfy: 10 DEG C≤T4≤20 DEG C, 10 DEG C≤T5≤20 DEG C.It is T4=T5=15 DEG C specific.
In conclusion the control strategy of water heater 100 according to an embodiment of the present invention, the heating efficiency of water heater 100 is high, Can rapidly hot-water supply, and in the process of water release, the lasting water supply capacity of water heater 100 is strong, can satisfy large hot water volume Demand.
In the description of the present invention, it is to be understood that, term " transverse direction ", " length ", " width ", " thickness ", "upper", The orientation or positional relationship of the instructions such as "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (15)

1. a kind of water heater characterized by comprising
First liner, first liner be equipped with the first heating unit and the second heating unit, and first liner have into The mouth of a river;
Second liner, the lower part of second liner are connected to the top of first liner, and the lower part of second liner is set There are third heating unit and top to be equipped with the 4th heating unit, and the third heating unit and the 4th heating unit are from institute The different ends for stating the second liner are protruded into, and second liner has water outlet;
Wherein, the water heater is arranged to optionally open first heating unit and/or second heating unit And/or the third heating unit and/or the 4th heating unit;
The water heater is arranged at least switch between the first operating mode, the second operating mode and third operating mode, Wherein, when the water heater is in the first operating mode, the third heating unit and the starting of the 4th heating unit, other heating Unit is closed;When the water heater is in the second operating mode, second heating unit and third heating unit starting, Other heating units are closed;When the water heater is in third operating mode, first heating unit and second heating Unit starting, other heating units are closed.
2. water heater according to claim 1, which is characterized in that first heating unit and second heating unit It is each provided at the lower part of first liner.
3. water heater according to claim 2, which is characterized in that the power of first heating unit is P1, described the The power of two heating units is P2, and the power of the third heating unit is P3, and the power of the 4th heating unit is P4, full Foot: P1=P3, P2=P4.
4. water heater according to claim 3, which is characterized in that meet:
1750W≤P1≤2250W, 2750W≤P2≤3250W.
5. water heater according to claim 1, which is characterized in that further include:
The top of the gallbladder mouth of first liner is protruded into double-way pipe, one end of the double-way pipe, and the other end protrudes into described second The lower part at the gallbladder bottom of gallbladder.
6. water heater according to claim 1, which is characterized in that further include:
Water inlet pipe, the water inlet pipe runs through the gallbladder bottom of first liner, and open at one end is to form the water inlet, the other end Positioned at the lower part at the gallbladder bottom of first liner;
Outlet pipe, the outlet pipe runs through the gallbladder bottom of second liner, and open at one end is to form the water outlet, the other end Positioned at the top of the gallbladder mouth of second liner.
7. water heater according to claim 2, which is characterized in that first heating unit and second heating unit It is electric heating tube, and protrudes into first liner from the lower part at the gallbladder bottom of first liner.
8. water heater according to claim 1, which is characterized in that the third heating unit and the 4th heating unit It is electric heating tube;
The third heating unit protrudes into second liner from the lower part at the gallbladder bottom of second liner;
4th heating unit protrudes into second liner in the middle part of the gallbladder mouth of second liner and is configured to bent.
9. water heater according to claim 1, which is characterized in that the water heater is vertical or horizontal.
10. a kind of control strategy of water heater, which is characterized in that the water heater is as described in any one of claim 1-9 Water heater, the control strategy includes the following steps:
S1, the unlatching third heating unit and the 4th heating unit, other heating units are in close state;
When S2, the temperature on second liner top reach the first preset temperature T1, second heating unit and institute are opened Third heating unit is stated, other heating units are closed;
When S3, the temperature on second liner top reach the second preset temperature T2, first heating unit and institute are opened The second heating unit is stated, other heating units are closed;
When S4, the temperature on first liner top reach third preset temperature T3, first heating unit and institute are closed State the second heating unit;
Wherein, 0 DEG C of T2-T1≤5 DEG C <.
11. the control strategy of water heater according to claim 10, which is characterized in that further include following steps:
S5, first heating unit and second heating unit are opened after the water heater starts to put hot water, close it His heating unit;
When S6, the temperature on first liner top reduce the 4th preset temperature T4, the second heating unit and described the are opened Three heating units close other heating units;
When S7, temperature in the middle part of second liner reduce the 5th preset temperature T5, third heating unit and described the are opened Four heating units close other heating units.
12. the control strategy of water heater according to claim 10, which is characterized in that meet:
50 DEG C≤T1≤80 DEG C, 50 DEG C≤T3≤80 DEG C.
13. the control strategy of water heater according to claim 12, which is characterized in that meet: T1=T3.
14. the control strategy of water heater according to claim 11, which is characterized in that meet: 10 DEG C≤T4≤20 DEG C, 10 ℃≤T5≤20℃。
15. the control strategy of water heater according to claim 14, which is characterized in that meet: T4=T5=15 DEG C.
CN201610554339.5A 2016-07-14 2016-07-14 The control strategy of water heater and water heater Active CN106196575B (en)

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