CN110260516A - The temperature control method of water of constant temperature water tank, water heater and constant temperature water tank - Google Patents
The temperature control method of water of constant temperature water tank, water heater and constant temperature water tank Download PDFInfo
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- CN110260516A CN110260516A CN201910478037.8A CN201910478037A CN110260516A CN 110260516 A CN110260516 A CN 110260516A CN 201910478037 A CN201910478037 A CN 201910478037A CN 110260516 A CN110260516 A CN 110260516A
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- constant temperature
- water tank
- temperature water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement 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)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Control Of Temperature (AREA)
Abstract
This application provides a kind of constant temperature water tanks, the temperature control method of water of water heater and constant temperature water tank, including mixing unit and mixing part, the mixing unit includes shell, liquid plate is crossed in setting first in the shell, described first, which crosses liquid plate, is at least divided into mixed once chamber and secondary mixing chamber for the intracorporal cavity of the shell, liquid channel was provided on the first mistake liquid plate, the mixed once chamber is connected with the secondary mixing chamber by the liquid channel of crossing, the shell includes opposite the first side and second side, described first one end for crossing liquid plate is arranged on first side, the other end extends towards described second side, the mixing part includes that the first intracavitary stirring parts of the mixed once are arranged in.Water in constant temperature water tank can be sufficiently mixed by a kind of constant temperature water tank provided in the embodiment of the present invention, make the water temperature stability of the discharge water of constant temperature water tank.
Description
Technical field
The application belongs to water technical field of heating, and in particular to the water temperature of a kind of constant temperature water tank, water heater and constant temperature water tank
Control method.
Background technique
Existing constant temperature water tank impacts mixed water wheels by hot water or cold water, makes mixed water wheels rotation, and then realizes that hot water or cold water's is mixed
It closes, but water cannot be sufficiently mixed by the hybrid mode of this hot water or cold water, the water in constant temperature water tank has part heat, and part is cold
Problem causes the water temperature of the discharge water of constant temperature water tank unstable.
Summary of the invention
Therefore, the application technical problems to be solved are to provide the water of a kind of constant temperature water tank, water heater and constant temperature water tank
Water in constant temperature water tank can be sufficiently mixed by warm control method, make the water temperature stability of the discharge water of constant temperature water tank.
To solve the above-mentioned problems, this application provides a kind of constant temperature water tank, including mixing unit and mixing part,
The mixing unit includes shell, and liquid plate is crossed in setting first in the shell, and described first crosses liquid plate for the shell
Interior cavity is at least divided into mixed once chamber and secondary mixing chamber, and described first crosses on liquid plate and be provided with liquid channel, and described one
Secondary mixing chamber is connected with the secondary mixing chamber by the liquid channel of crossing, and the shell includes opposite the first side and second
Side, described first one end for crossing liquid plate are arranged on first side, and the other end extends towards described second side,
The mixing part includes that the first intracavitary stirring parts of the mixed once are arranged in.
Preferably, described first liquid plate is crossed with cylindrical structure, the upper surface of the cylindrical structure is set to the shell
Top surface, the inner space that the cylindrical structure is surrounded forms the mixed once chamber, and the secondary mixing chamber is circumferentially arranged
Outside the cylindrical structure.
Preferably, the mixing part includes protruding into the intracavitary agitating shaft of the mixed once, is provided on the agitating shaft
First stirring parts are provided with water inlet pipe on the shell, and the mixed once chamber is communicated with the water inlet pipe.
Preferably, mixing chamber three times, the mixing chamber three times and the mixed once chamber, institute are additionally provided in the shell
It states and is provided with the second mistake liquid plate between secondary mixing chamber, be provided with drainage hole, the secondary mixing chamber on the second mistake liquid plate
It is communicated with the mixing chamber three times by the drainage hole.
Preferably, described second the bottom that the mixed once chamber and the secondary mixing chamber is arranged in liquid plate is crossed, it is described
The lower section and the bottom for being located at the shell that described second crosses liquid plate is arranged in mixing chamber three times, is arranged on the bottom surface of the shell
There is outlet pipe, the outlet pipe is communicated with the mixing chamber three times.
Preferably, the agitating shaft extends in the mixing chamber three times, the agitating shaft in the mixing chamber three times
On be provided with the second stirring parts.
Preferably, the described second liquid plate excessively is provided with axis hole, and the agitating shaft passes through the axis hole.
Preferably, the hole wall of the axis hole and the agitating shaft interval 1-2mm.
Preferably, the quantity for crossing liquid channel is multiple, and the total cross sectional area for crossing liquid channel is the water outlet
3-5 times of tube section product.
Preferably, the quantity of the drainage hole is multiple, and the gross area of the drainage hole is the outlet pipe sectional area
3-5 times.
Preferably, the constant temperature water tank further includes temperature control portion, and the temperature control portion includes that setting is intracavitary in the mixed once
Heating member.
Preferably, it is provided with extension on the heating member, to increase the heat dissipation area of the heating member.
Preferably, the extension includes the wire and/or fin being arranged on the heating member.
Preferably, the temperature control portion further includes data input module, the calculating with data input module communication connection
Module, the control module being electrically connected with the computing module and the heating member, the data input module are inputted for parameter,
Thermic load needed for the computing module is calculated according to the parameter of input, the control unit is according to the computing module acquired results control
The heating member is made to be heated.
Preferably, the data input module includes the temperature sensor that the water inlet end of the constant temperature water tank is arranged in, sets
It sets and is filled in the temperature sensor of the water outlet of the constant temperature water tank, the human-computer interaction for inputting target water temperature and target flow
It sets.
Another aspect of the present invention provides a kind of water heater, including above-mentioned constant temperature water tank.
Another aspect of the present invention provides a kind of temperature control method of water of constant temperature water tank, using above-mentioned constant temperature water tank,
Thermostatic control is carried out to its water temperature.
Preferably, include the following steps:
(1) data input
Target water temperature T and target water flow Q is inputted, the inflow temperature T of constant temperature water tank is obtainedEnterWith leaving water temperature TOut；
(2) data calculate
Calculate temperature difference △ T and demand thermic load W that target temperature T and leaving water temperature T goes out；
(3) △ T mode interval is determined
According to △ T calculated in step (2), determine that the mode interval where △ T, different mode intervals are corresponding different
Operating mode；
(4) constant temperature is handled
When △ T is located in heating interval, the water in constant temperature water tank is heated；When △ T is located at heating draining section
When interior, the water in constant temperature water tank is heated, constant temperature water tank drains outward；When △ T is located in draining section, constant temperature water tank
Draining outward.
Preferably, the heating interval includes the first value interval, the second value interval and third value interval, as △ T
When in the first value interval, start to heat the water in constant temperature water tank, thermic load W1；It is taken when △ T is located at second
When being worth in section, start to heat the water in constant temperature water tank, thermic load W2；When △ T is located in third value interval,
Start to heat the water in constant temperature water tank, thermic load W；
Heating draining section includes that the 4th value interval starts when △ T is located in the 4th value interval to constant temperature
Water in water tank is heated, and thermic load is W and water filling and constant temperature water tank drain outward into constant temperature water tank；
The draining section includes that the 5th value interval is infused when △ T is located in the 5th value interval into constant temperature water tank
Water and constant temperature water tank drain outward；
Wherein W1Thermic load when for heating with full power, W2For W and W1The sum of half, the water filling and permanent into constant temperature water tank
The flow that reservoir drains outward is Q, W=(T-TEnter) × Q × Cp, wherein Cp is the specific heat at constant pressure of water.
Preferably, first value interval is that △ T is greater than 3 DEG C, and second value interval is △ T greater than 1 DEG C and small
In 3 DEG C, the third value interval is △ T greater than 0.5 DEG C and less than 1 DEG C, and the 4th value interval is that △ T is greater than -0.5 DEG C
And less than 0.5 DEG C, the 5th value interval is that △ T is less than -0.5 DEG C.
Beneficial effect
Water in constant temperature water tank can be sufficiently mixed, make by a kind of constant temperature water tank provided in the embodiment of the present invention
The water temperature stability of the discharge water of constant temperature water tank.
Detailed description of the invention
Fig. 1 is the main view sectional view of the embodiment of the present application；
The top view that Fig. 2 crosses liquid plate for the second of one embodiment of the application；
The top view that Fig. 3 crosses liquid plate for the second of the another embodiment of the application；
The structural schematic diagram that Fig. 4 crosses liquid plate for the first of the embodiment of the present application；
Fig. 5 is the control logic figure of the embodiment of the present application.
Appended drawing reference indicates are as follows:
1, shell；11, first liquid plate is crossed；111, liquid channel is crossed；12, second liquid plate is crossed；121, drainage hole；2, mixed once
Chamber；3, secondary mixing chamber；4, mixing chamber three times；5, heating member；61, agitating shaft；62, the first stirring parts；63, the second stirring parts.
Specific embodiment
In conjunction with referring to figs. 1 to 5, according to an embodiment of the present application, a kind of constant temperature water tank, including mixing unit and stirring
Portion, the mixing unit include shell 1, and liquid plate 11 is crossed in setting first in the shell 1, and described first crosses liquid plate 11 for the shell
Cavity in 1 is at least divided into mixed once chamber 2 and secondary mixing chamber 3, is provided with liquid channel on the first mistake liquid plate 11
111, the mixed once chamber 2 is connected with the secondary mixing chamber 3 by the liquid channel 111 of crossing, and the shell 1 includes phase
Pair the first side and second side, described first one end for crossing liquid plate 11 be arranged on first side, the other end is towards described the
Two sides extend, and the mixing part includes the first stirring parts 62 being arranged in the mixed once chamber 2.By the secondary mixing chamber
3 are arranged in the lateral of the mixed once chamber 2, and by the way that the first stirring parts 62 are arranged in the mixed once chamber 2, can
Water in the mixed once chamber 2 is stirred into rotation, and then makes the water in mixed once chamber 2 behind the liquid channel 111 excessively
Into in second mixing chamber, flow-disturbing is realized in the secondary mixing chamber 3, keeps water more abundant in secondary mixing chamber 3
Mixing.
Further, suitable shape can be made in the shell 1 according to actual needs, such as with the rectangular of hollow structure
Body structure, the cylindrical structure with hollow structure, the shell 1 in the present embodiment have the cylindrical body knot of hollow structure
Structure.
Described first, which crosses liquid plate 11, has cylindrical structure, and the upper surface of the cylindrical structure is set to the top of the shell 1
Face, the inner space that the cylindrical structure is surrounded form the mixed once chamber 2, and the circumferential setting of the secondary mixing chamber 3 exists
Outside the cylindrical structure.It is set as cylindrical structure by crossing liquid plate 11 for described first, the mixed once chamber 2 is made to form cylinder
Body structure, and increase the secondary mixing chamber 3 circumferentially around outside the mixed once chamber 2, along the mixed once chamber 2
The intercommunication area of the mixed once chamber 2 and the secondary mixing chamber 3, is easier water from the mixed once chamber 2
It enters in the secondary mixing chamber 3, completes further mixing.
Further, the liquid-passing hole is uniformly arranged in the circumferential direction crosses on liquid plate 11 described first.
Further, the liquid-passing hole can be set as multirow along short transverse, and in the present embodiment, the liquid-passing hole is one
Row.
Further, the described first liquid plate 11 excessively is vertically arranged.
The mixing part includes the agitating shaft 61 protruded into the mixed once chamber 2, and is provided on the agitating shaft 61
One stirring parts 62 are provided with water inlet pipe on the shell 1, and the mixed once chamber 2 is communicated with the water inlet pipe.Pass through setting institute
Agitating shaft 61 is stated, and the agitating shaft 61 drives the rotation of the first stirring parts 62, it can be achieved that the water in mixed once chamber 2
It carries out mixing to stir evenly, under the action of stirring parts and heating member 5, be mixed into the water in constant temperature water tank with the water of heating,
Forced-convection heat transfer occurs, keeps heating more thorough, each portion's temperature of water is identical.And the rotation of first stirring parts 62 is also
The water in mixed once chamber 2 can be made to rotate, liquid plate 11 is crossed to described first and form pressure, the water in mixed once chamber 2 is with certain
Speed be dumped into secondary mixing chamber 3, cause liquid in secondary mixing chamber 3 to be forced to disturb, intracavity liquid carries out secondary mixing
Heat exchange.
Further, inlet valve is provided on the water inlet pipe.
Further, first stirring parts 62 include that multiple circumferential directions are uniformly arranged on the flabellum on the agitating shaft 61,
The water in mixed once chamber 2 can be made to be rapidly heated.
Further, the agitating shaft 61 is driven by stirring motor.
Further, cold water is entered in the mixed once chamber 2 by the water inlet pipe, and the inlet valve is cold for controlling
The circulation and blocking of water.
It is additionally provided with mixing chamber 4 three times in the shell 1, it is the mixing chamber three times 4 and the mixed once chamber 2, described
It is provided with the second mistake liquid plate 12 between secondary mixing chamber 3, is provided with drainage hole 121 on the second mistake liquid plate 12, it is described secondary
Mixing chamber 3 is communicated with the mixing chamber three times 4 by the drainage hole 121.By the way that mixing chamber 4 three times and the second mistake liquid plate is arranged
12, it can be achieved that water mixing again, achieve the purpose that mix well.
Further, described second liquid plate 12 is crossed with circular configuration.
Further, as shown in Fig. 2, in the present embodiment, the drainage hole 121 has circular configuration, the drainage hole 121
It is uniformly distributed circumferentially and is crossed on liquid plate 12 described second.
Further, as shown in figure 3, in another embodiment, the drainage hole 121 has semi-circular structure, the drainage hole
121 are uniformly distributed circumferentially at the described second excessively outer rim of liquid plate 12.
Described second, which crosses liquid plate 12, is arranged in the bottom of the mixed once chamber 2 and the secondary mixing chamber 3, it is described three times
Mixing chamber 4 is arranged in the lower section that described second crosses liquid plate 12 and is located at the bottom of the shell 1, sets on the bottom surface of the shell 1
It is equipped with outlet pipe, the outlet pipe is communicated with the mixing chamber three times 4.Water in the secondary mixing chamber 3 passes through gravity and one
The pressure of water in secondary mixing chamber 2 enters in mixing chamber 4 three times, realizes and further mixes.
Further, outlet valve is provided on the outlet pipe.
Further, the described second liquid plate 12 excessively is horizontally disposed, and the mixing chamber three times 4 is located at described second and crosses liquid plate 12
Underface.
Further, the water in mixing chamber 4 is used by the outlet pipe discharge constant temperature water tank, the outlet valve three times
In the circulation and blocking of control water.
The agitating shaft 61 extends in the mixing chamber 4 three times, on the agitating shaft 61 in the mixing chamber three times 4
It is provided with the second stirring parts 63.The water in mixing chamber 4 three times can be sufficiently stirred, be reached by the way that the second stirring parts 63 are arranged
The purpose mixed well.Repeatedly strength can be achieved to mix, internal temperature gradient reduces step by step, and avoid cold and hot fluid mixing uneven,
The problem of causing out liquid temperature to float up and down, be unable to accurately control.
Further, second stirring parts 63 include that multiple circumferential directions are uniformly arranged on the flabellum on the agitating shaft 61.
Described second, which crosses liquid plate 12, is provided with axis hole, and the agitating shaft 61 passes through the axis hole, the hole wall of the axis hole with
The agitating shaft 61 is spaced 1-2mm.It is described cross liquid channel 111 quantity be it is multiple, it is described cross liquid channel 111 the gross area be institute
3-5 times for stating outlet pipe sectional area.The quantity of the drainage hole 121 be it is multiple, the gross area of the drainage hole 121 be it is described go out
3-5 times of pipe section product.
Further, by the way that the interval of 1-2mm is arranged, the water in a small amount of mixed once chamber 2 is under the effect of gravity through this hole
Into third mixing chamber, the purpose of mixing is reached.
The constant temperature water tank further includes temperature control portion, and the temperature control portion includes the heating being arranged in the mixed once chamber 2
Part 5.By the heating member 5, the heating to water in mixed once chamber 2 is set.
Further, the heating member 5 can be heating wire.
Further, heating element can also be bar shaped, spiral shape, annular etc..
It is provided with extension on the heating member 5, to increase the heat dissipation area of the heating member 5.
Further, it is provided with expansion structure, such as wire, fin etc. on the heating member 5, to increase heating member 5
With the contact area of water.
The temperature control portion further include data input module, with the data input module communication connection computing module, with
The control module that the computing module and the heating member 5 are electrically connected, the data input module are inputted for parameter, the meter
Thermic load needed for module is calculated according to the parameter of input is calculated, the control unit is according to computing module acquired results control
Heating member 5 is heated.
Further, the stirring motor, the inlet valve and the outlet valve and the control module communicate to connect.
Further, the data input module obtains constant temperature water tank for inputting target water temperature T and target water flow Q
Inflow temperature T incoming and outgoing coolant-temperature gage T go out, the computing module is used to calculate the temperature difference that target temperature T and leaving water temperature T go out
△ T and demand thermic load W, the control module include host, for judging △ by the calculated temperature difference △ T of computing module
Section locating for T, and heating member 5 is controlled by calculated thermic load W and is heated, it is realized by control inlet valve and outlet valve
The control of control and constant temperature water tank discharge water to water temperature in constant temperature water tank, realizes constant-temperature effluent.
The data input module includes the temperature sensor that the water inlet end of the constant temperature water tank is arranged in, is arranged described
The temperature sensor of the water outlet of constant temperature water tank, the human-computer interaction device for inputting target water temperature and target flow.
Further, the data input module pass through be arranged in the constant temperature water tank water inlet end temperature sensor,
Water temperature in the temperature sensor acquisition water inlet pipe and outlet pipe of the water outlet of the constant temperature water tank is set, human-computer interaction is passed through
Device inputs target water temperature T and target water flow Q.
Another embodiment of the present invention provides a kind of water heater, including above-mentioned constant temperature water tank.
Another embodiment of the present invention provides a kind of temperature control method of water of constant temperature water tank, uses above-mentioned thermostatted water
Case carries out thermostatic control to its water temperature.
Include the following steps:
(1) data input
Target water temperature T and target water flow Q is inputted, the inflow temperature T incoming and outgoing coolant-temperature gage T for obtaining constant temperature water tank goes out；
(2) data calculate
Calculate temperature difference △ T and demand thermic load W that target temperature T and leaving water temperature T goes out；
(3) △ T mode interval is determined
According to △ T calculated in step (2), determine that the mode interval where △ T, different mode intervals are corresponding different
Operating mode；
(4) constant temperature is handled
When △ T is located in heating interval, the water in constant temperature water tank is heated；When △ T is located at heating draining section
When interior, the water in constant temperature water tank is heated, constant temperature water tank drains outward；When △ T is located in draining section, constant temperature water tank
Draining outward.
By the way that multiple mode intervals are arranged, the accurate control to water temperature can be realized.
Further, the heating interval includes the first value interval, the second value interval and third value interval, works as △
When T is located in the first value interval, start to heat the water in constant temperature water tank, thermic load W1；It is taken when △ T is located at second
When being worth in section, start to heat the water in constant temperature water tank, thermic load W2；When △ T is located in third value interval,
Start to heat the water in constant temperature water tank, thermic load W；
Heating draining section includes that the 4th value interval starts when △ T is located in the 4th value interval to constant temperature
Water in water tank is heated, and thermic load is W and water filling and constant temperature water tank drain outward into constant temperature water tank；
The draining section includes that the 5th value interval is infused when △ T is located in the 5th value interval into constant temperature water tank
Water and constant temperature water tank drain outward；
Thermic load when wherein W1 is heating with full power, W2 are the half of the sum of W and W1, water filling and perseverance into constant temperature water tank
The flow that reservoir drains outward is Q, W=(T-T enters) × Q × Cp, and wherein Cp is the specific heat at constant pressure of water.
By the way that different value intervals is arranged, corresponding different value interval applies corresponding thermic load, can be more accurate
The water in constant temperature water tank is heated.
First value interval is that △ T is greater than 3 DEG C, and second value interval is △ T greater than 1 DEG C and less than 3 DEG C, institute
Stating third value interval is △ T greater than 0.5 DEG C and less than 1 DEG C, and the 4th value interval is that △ T is greater than -0.5 DEG C and is less than
0.5 DEG C, the 5th value interval is that △ T is less than -0.5 DEG C.
Further, when △ T is located in the first value interval, 5 heating with full power of heating member, realize water temperature it is quick on
It rises, when △ T is located in the second value interval, the heating of 5 Partial Power of heating member controls the rate of climb of water temperature, avoids heating
It is too fast, it is more than required water temperature, when △ T is located in third value interval, the further rate of climb for controlling water temperature is realized
Precisely heating, when △ T is located in the 4th value interval, is accurately heated to water and is externally exported thermostatted water, when △ T
It when in the 5th value interval, is no longer heated, and externally exports water.
Water in constant temperature water tank can be sufficiently mixed, make by a kind of constant temperature water tank provided in the embodiment of the present invention
The water temperature stability of the discharge water of constant temperature water tank.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is only the preferred embodiments of the application, not to limit the application, it is all in spirit herein and
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within principle.Above only
It is the preferred embodiment of the application, it is noted that for those skilled in the art, do not departing from this Shen
Several improvements and modifications please can also be made, these improvements and modifications also should be regarded as the guarantor of the application under the premise of technical principle
Protect range.
Claims (20)
1. a kind of constant temperature water tank, which is characterized in that including mixing unit and mixing part,
The mixing unit includes shell (1), and liquid plate (11) are crossed in setting first in the shell (1), and described first crosses liquid plate (11)
Cavity in the shell (1) is at least divided into mixed once chamber (2) and secondary mixing chamber (3), described first crosses liquid plate (11)
On be provided with liquid channel (111), the mixed once chamber (2) and the secondary mixing chamber (3) cross liquid channel by described
(111) it is connected, the shell (1) includes opposite the first side and second side, and described first crosses one end setting of liquid plate (11)
On first side, the other end extends towards described second side,
The mixing part includes the first stirring parts (62) being arranged in the mixed once chamber (2).
2. constant temperature water tank according to claim 1, which is characterized in that described first, which crosses liquid plate (11), has cylindrical structure,
The upper surface of the cylindrical structure is set to the top surface of the shell (1), and the inner space that the cylindrical structure is surrounded is formed
The mixed once chamber (2), the secondary mixing chamber (3) are circumferentially arranged outside the cylindrical structure.
3. constant temperature water tank according to claim 1, which is characterized in that the mixing part includes protruding into the mixed once chamber
(2) agitating shaft (61) in is provided with the first stirring parts (62) on the agitating shaft (61), be provided on the shell (1) into
Water pipe, the mixed once chamber (2) communicate with the water inlet pipe.
4. constant temperature water tank according to claim 3, which is characterized in that be additionally provided with mixing chamber three times in the shell (1)
(4), it is provided with second between the mixing chamber three times (4) and the mixed once chamber (2), the secondary mixing chamber (3) and crosses liquid
Plate (12), it is described second cross liquid plate (12) on be provided with drainage hole (121), the secondary mixing chamber (3) mixes three times with described
Chamber (4) is communicated by the drainage hole (121).
5. constant temperature water tank according to claim 4, which is characterized in that described second crosses liquid plate (12) setting described primary
The bottom of mixing chamber (2) and the secondary mixing chamber (3), mixing chamber three times (4) setting cross liquid plate (12) described second
Lower section and be located at the bottom of the shell (1), be provided with outlet pipe, the outlet pipe and institute on the bottom surface of the shell (1)
Mixing chamber (4) three times is stated to communicate.
6. constant temperature water tank according to claim 4, which is characterized in that the agitating shaft (61) extends to described to be mixed three times
In chamber (4), the second stirring parts (63) are provided on the agitating shaft (61) in the mixing chamber three times (4).
7. constant temperature water tank according to claim 6, which is characterized in that described second, which crosses liquid plate (12), is provided with axis hole, institute
Agitating shaft (61) are stated across the axis hole.
8. constant temperature water tank according to claim 7, which is characterized in that between the hole wall of the axis hole and the agitating shaft (61)
Every 1-2mm.
9. constant temperature water tank according to claim 1, which is characterized in that the quantity for crossing liquid channel (111) is multiple, institute
The total cross sectional area for stating liquid channel (111) is 3-5 times of the outlet pipe sectional area.
10. constant temperature water tank according to claim 4, which is characterized in that the quantity of the drainage hole (121) is multiple, institute
The gross area for stating drainage hole (121) is 3-5 times of the outlet pipe sectional area.
11. constant temperature water tank according to claim 1, which is characterized in that the constant temperature water tank further includes temperature control portion, the temperature
Control portion includes the heating member (5) being arranged in the mixed once chamber (2).
12. constant temperature water tank according to claim 11, which is characterized in that it is provided with extension on the heating member (5), with
Increase the heat dissipation area of the heating member (5).
13. constant temperature water tank according to claim 12, which is characterized in that the extension includes being arranged in the heating member
(5) wire and/or fin on.
14. constant temperature water tank according to claim 11, which is characterized in that the temperature control portion further include data input module,
With the computing module of data input module communication connection, the control being electrically connected with the computing module and the heating member (5)
Molding block, the data input module are inputted for parameter, thermic load needed for the computing module is calculated according to the parameter of input,
The control unit controls the heating member (5) according to the computing module acquired results and is heated.
15. constant temperature water tank according to claim 14, which is characterized in that the data input module includes being arranged described
The temperature sensor of the water inlet end of constant temperature water tank, be arranged in the constant temperature water tank water outlet temperature sensor, for inputting
The human-computer interaction device of target water temperature and target flow.
16. a kind of water heater, which is characterized in that including constant temperature water tank described in claim 1-15 any one.
17. a kind of temperature control method of water of constant temperature water tank, which is characterized in that use perseverance described in any one of claim 1-15
Reservoir carries out thermostatic control to its water temperature.
18. the temperature control method of water of constant temperature water tank according to claim 17, which comprises the steps of:
(1) data input
Target water temperature T and target water flow Q is inputted, the inflow temperature T incoming and outgoing coolant-temperature gage T for obtaining constant temperature water tank goes out；
(2) data calculate
Calculate temperature difference △ T and demand thermic load W that target temperature T and leaving water temperature T goes out；
(3) △ T mode interval is determined
According to △ T calculated in step (2), determine that the mode interval where △ T, different mode intervals correspond to different works
Operation mode；
(4) constant temperature is handled
When △ T is located in heating interval, the water in constant temperature water tank is heated；When △ T is located in heating draining section,
Water in constant temperature water tank is heated, constant temperature water tank drains outward；When △ T is located in draining section, constant temperature water tank is outside
Draining.
19. the temperature control method of water of constant temperature water tank according to claim 18, which is characterized in that the heating interval includes
First value interval, the second value interval and third value interval start when △ T is located in the first value interval to constant temperature
Water in water tank is heated, thermic load W1；When △ T is located in the second value interval, start to the water in constant temperature water tank
It is heated, thermic load W2；When △ T is located in third value interval, start to heat the water in constant temperature water tank, heat
Load is W；
Heating draining section includes that the 4th value interval starts when △ T is located in the 4th value interval to constant temperature water tank
Interior water is heated, and thermic load is W and water filling and constant temperature water tank drain outward into constant temperature water tank；
The draining section include the 5th value interval, when △ T is located in the 5th value interval, into constant temperature water tank fill the water and
Constant temperature water tank drains outward；
Thermic load when wherein W1 is heating with full power, W2 are the half of the sum of W and W1, water filling and thermostatted water into constant temperature water tank
The flow that case drains outward is Q, W=(T-T enters) × Q × Cp, and wherein Cp is the specific heat at constant pressure of water.
20. the temperature control method of water of constant temperature water tank according to claim 19, which is characterized in that first value interval
It is greater than 3 DEG C for △ T, second value interval is △ T greater than 1 DEG C and less than 3 DEG C, and the third value interval is that △ T is greater than
0.5 DEG C and less than 1 DEG C, the 4th value interval is that △ T is greater than -0.5 DEG C and less than 0.5 DEG C, and the 5th value interval is
△ T is less than -0.5 DEG C.
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