CN106679188A - Water-saving intelligent temperature-control water heater based on PID adjustment and method thereof - Google Patents
Water-saving intelligent temperature-control water heater based on PID adjustment and method thereof Download PDFInfo
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- CN106679188A CN106679188A CN201710028097.0A CN201710028097A CN106679188A CN 106679188 A CN106679188 A CN 106679188A CN 201710028097 A CN201710028097 A CN 201710028097A CN 106679188 A CN106679188 A CN 106679188A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 226
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 4
- 230000002452 interceptive effect Effects 0.000 claims description 15
- 230000002706 hydrostatic effect Effects 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims 1
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 230000003993 interaction Effects 0.000 abstract 3
- 229920001577 copolymer Polymers 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
Classifications
-
- 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
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
- G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a water-saving intelligent temperature-control water heater based on PID adjustment and a method thereof. The water heater comprises a hot water tank shell, a water storing unit, a central control unit, an interaction unit, a conveying unit, a detecting unit, a flow direction unit, a heating unit and a power unit. The hot water tank shell is made of a acrylonitrile-butadiene-styrol copolymer material; the interaction unit is arranged on the hot water tank shell; the heating unit is arranged inside the water storing unit; the flow direction unit and the power unit are arranged in the conveying unit; the water storing unit, the conveying unit, the central control unit and the detecting unit are disposed inside the hot water tank shell; the water storing unit is interconnected with the conveying unit; and the central control unit is connected with the heating unit, the detecting unit, the interaction unit and the flow direction unit, and the detecting unit is connected with the water storing unit and the conveying unit. By means of the water-saving intelligent temperature-control water heater based on PID adjustment and the method thereof, during usage, the water temperature is convenient to adjust, and the temperature and flow are stable.
Description
Technical field
The invention belongs to the field of water heaters of daily life, and in particular to a kind of water-saving intelligent temperature adjusted based on PID
Control water heater and its method.
Background technology
Water heater on current market has two mostly, and one is to adjust water temperature inconvenience, and two is during use
Temperature can change.Multiple use is had when people are using water heater, such as is had a bath, washed hair, foot bath, it is difficult to ought
Front water heater is adjusted to accurate temperature, and there is no memory function, even if user is also needed using the same function of water heater
Hot water temperature is adjusted every time.Two is that temperature can change during use, because the temperature of hot water can be present
Change, to the comfort that user uses deleterious effect is caused.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of water-saving intelligent temperature adjusted based on PID
Control water heater and its method.
Technical scheme is as follows：
A kind of water-saving intelligent temperature control water heater adjusted based on PID is included：
Housing of hot water box, water cell, maincenter control unit, interactive unit, supply unit, detector unit, flow to unit,
Heating unit, power unit；
Described housing of hot water box adopts ABS polymer；Described interactive unit is arranged
On housing of hot water box；Described heating unit is arranged in water cell, it is described flow to unit, power unit be arranged on it is defeated
Send in unit；Described water cell, supply unit, maincenter control unit, detector unit are arranged in housing of hot water box；Water storage
Unit and supply unit are interconnected, maincenter control unit and heating unit, detector unit, interactive unit, are flowed to unit and are connected, detection
Unit is connected respectively with water cell, supply unit.
Preferably, described supply unit is PVC pipeline.Described flows to unit for electronic valve.
Preferably, described water cell is three storage tanks and two mixing pits；Three storage tanks include hot water water storage
Case, recirculation water storage tank, water outlet storage tank；Two mixing pits include a mixing pit and No. two mixing pits；Hot water storage tank is led to
Supply unit is crossed, unit is flowed to and is connected with a mixing pit again；A number mixing pit is connected by flowing to unit with No. two mixing pits；
No. two mixing pits by supply unit, flow to unit and be connected with recirculation water storage tank, water outlet storage tank respectively；Recirculation water storage tank
By power unit, supply unit, flow to unit and be connected with hot water storage tank；Hot water storage tank, mixing pit, a water outlet water storage
Case by supply unit, flow to unit and be connected with extraneous；The shell of hot water storage tank is using the internal double-deck propylene for clogging sponge
Nitrile-BS material envelope.
Preferably, described power unit is water pump.
Preferably, described detector unit is temperature sensor and hydrostatic sensor；Temperature sensor is separately positioned on heat
In the PVC pipeline that water storage tank, No. two mixing pits and a mixing pit are connected with the external world；Hydrostatic sensor is separately positioned on heat
In water storage tank, water outlet storage tank, backflow storage tank.
Preferably, described interactive unit is keyboard, display screen, button, display lamp and knob.
Preferably, described maincenter control unit is MSP430 single-chip microcomputers and its peripheral circuit.
Preferably, described heating unit is metal tube and on-off circuit；Heating unit is connected with maincenter control unit.
The temp. control method of the described water-saving intelligent temperature control water heater adjusted based on PID, it is characterised in that including as follows
Step：1) equipment initialization
Switch on power and heating unit, maincenter control unit, interactive unit, power unit, detector unit are powered；It is logical
Cross and press the button startup heating, the setting value of user is input into by keyboard or knob, setting value includes the temperature of hot water and goes out
The size of water current, maincenter control unit is operated；
2) link is heated
Maincenter control unit control heating unit is heated to the water in hot water storage tank, the output of MSP430 single-chip microcomputers
The on-off circuit of PWM ripples to heating unit, the output voltage size of controlling switch circuit, the duty of PWM ripples is bigger, output voltage
It is bigger；This output voltage is added on metal tube, and metal tube generates heat to the hot water heating in hot water storage tank, the bigger heating of voltage
Power is bigger；The temperature sensor that has in hot water storage tank and hydrostatic sensor are by the water yield in hot water storage tank and the temperature of hot water
Degree gathers and passes to MSP430 single-chip microcomputers, when the water yield crosses what control hot water storage tank at least was connected with the external world in hot water storage tank
Electronic valve in PVC pipeline is opened, and flows into cold water, when hypervolia then controls hot water storage tank and is connected with the external world in boiler
PVC pipeline on electronic valve close；When judging that water temperature is increased to temperature upper limit in boiler, then control heating unit and stop
Only heat, when the temperature in water tank is reduced to lowest temperature, then control the heating of heating unit full power so that the heat in boiler
Water is maintained at suitable temperature and the water yield；
3) governing loop
It is required whenever user input water temperature t0 and during discharge c0, single-chip microcomputer MSP430 just can read input
Temperature t1 of hot water is input into MSP430 single-chip microcomputers by value, the temperature sensor in hot water storage tank, and a mixing pit connects with extraneous
The temperature of cold water t2 is input into MSP430 single-chip microcomputers by the temperature sensor in logical PVC pipeline, and single-chip microcomputer is according to the two temperature
Electronic valve aperture x1 in the PVC pipeline that a mixing pit is connected with the external world, heat are controlled with the temperature and discharge of user's setting
Electronic valve aperture x2 in the PVC pipeline that water storage tank is connected with a mixing pit, two apertures meet following equation：
Solution can be obtained
A number mixing pit is, in order to allow hot water and cold water to be sufficiently mixed, through mixed hot water No. two mixing pits to have been flowed into
In, the temperature of hot water in No. two mixing pits is passed to MSP430 by the temperature sensor in No. two mixing pits, when in No. two mixing pits
Hot water temperature and user setting temperature difference within the specific limits, then MSP430 controls No. two mixing pits and water outlet storage tank
Electronic valve in connected PVC pipeline is opened, and the hot water for making proper temperature flows into water outlet tank, otherwise opens No. two mixing
The electronic valve in PVC pipeline that pond is connected with recirculation water storage tank；When system detectio is to when the hot water temperature in No. two mixing pits
More than a less value, MSP430 adjusts x1 and x2 to the temperature difference that degree sets with user using pid control algorithm, until two
The temperature gap of the hot water temperature in number mixing pit and setting is in set point；When MSP430 is passed by the hydraulic pressure in storage tank
Sensor detects its interior water yield and reaches setting value, just starts to open at the electronics in the PVC pipeline that water outlet storage tank is communicated with the external world
Valve.
Description of the drawings
Fig. 1 is the cellular construction schematic diagram of the water-saving intelligent temperature control water heater adjusted based on PID.
Specific embodiment
As shown in figure 1, a kind of water-saving intelligent temperature control water heater adjusted based on PID is included：Housing of hot water box, water storage list
Unit, maincenter control unit, interactive unit, supply unit, detector unit, flow to unit, heating unit, power unit；
Described housing of hot water box adopts ABS polymer；Described interactive unit is arranged
On housing of hot water box；Described heating unit is arranged in water cell, it is described flow to unit, power unit be arranged on it is defeated
Send in unit；Described water cell, supply unit, maincenter control unit, detector unit are arranged in housing of hot water box；Water storage
Unit and supply unit are interconnected, maincenter control unit and heating unit, detector unit, interactive unit, are flowed to unit and are connected, detection
Unit is connected respectively with water cell, supply unit.
Preferably, described supply unit is PVC pipeline.Described flows to unit for electronic valve.
Preferably, described water cell is three storage tanks and two mixing pits；Three storage tanks include hot water water storage
Case, recirculation water storage tank, water outlet storage tank；Two mixing pits include a mixing pit and No. two mixing pits；Hot water storage tank is led to
Supply unit is crossed, unit is flowed to and is connected with a mixing pit again；A number mixing pit is connected by flowing to unit with No. two mixing pits；
No. two mixing pits by supply unit, flow to unit and be connected with recirculation water storage tank, water outlet storage tank respectively；Recirculation water storage tank
By power unit, supply unit, flow to unit and be connected with hot water storage tank；Hot water storage tank, mixing pit, a water outlet water storage
Case by supply unit, flow to unit and be connected with extraneous；The shell of hot water storage tank is using the internal double-deck propylene for clogging sponge
Nitrile-BS material envelope.
Preferably, described power unit is water pump.
Preferably, described detector unit is temperature sensor and hydrostatic sensor；Temperature sensor is separately positioned on heat
In the PVC pipeline that water storage tank, No. two mixing pits and a mixing pit are connected with the external world；Hydrostatic sensor is separately positioned on heat
In water storage tank, water outlet storage tank, backflow storage tank.
Preferably, described interactive unit is keyboard, display screen, button, display lamp and knob.
Preferably, described maincenter control unit is MSP430 single-chip microcomputers and its peripheral circuit.
Preferably, described heating unit is metal tube and on-off circuit；Heating unit is connected with maincenter control unit.
The temp. control method of the described water-saving intelligent temperature control water heater adjusted based on PID, it is characterised in that including as follows
Step：1) equipment initialization
Switch on power and heating unit, maincenter control unit, interactive unit, power unit, detector unit are powered；It is logical
Cross and press the button startup heating, the setting value of user is input into by keyboard or knob, setting value includes the temperature of hot water and goes out
The size of water current, maincenter control unit is operated；
2) link is heated
Maincenter control unit control heating unit is heated to the water in hot water storage tank, the output of MSP430 single-chip microcomputers
The on-off circuit of PWM ripples to heating unit, the output voltage size of controlling switch circuit, the duty of PWM ripples is bigger, output voltage
It is bigger；This output voltage is added on metal tube, and metal tube generates heat to the hot water heating in hot water storage tank, the bigger heating of voltage
Power is bigger；The temperature sensor that has in hot water storage tank and hydrostatic sensor are by the water yield in hot water storage tank and the temperature of hot water
Degree gathers and passes to MSP430 single-chip microcomputers, when the water yield crosses what control hot water storage tank at least was connected with the external world in hot water storage tank
Electronic valve in PVC pipeline is opened, and flows into cold water, when hypervolia then controls hot water storage tank and is connected with the external world in boiler
PVC pipeline on electronic valve close；When judging that water temperature is increased to temperature upper limit in boiler, then control heating unit and stop
Only heat, when the temperature in water tank is reduced to lowest temperature, then control the heating of heating unit full power so that the heat in boiler
Water is maintained at suitable temperature and the water yield；
3) governing loop
It is required whenever user input water temperature t0 and during discharge c0, single-chip microcomputer MSP430 just can read input
Temperature t1 of hot water is input into MSP430 single-chip microcomputers by value, the temperature sensor in hot water storage tank, and a mixing pit connects with extraneous
The temperature of cold water t2 is input into MSP430 single-chip microcomputers by the temperature sensor in logical PVC pipeline, and single-chip microcomputer is according to the two temperature
Electronic valve aperture x1 in the PVC pipeline that a mixing pit is connected with the external world, heat are controlled with the temperature and discharge of user's setting
Electronic valve aperture x2 in the PVC pipeline that water storage tank is connected with a mixing pit, two apertures meet following equation：
Solution can be obtained
A number mixing pit is, in order to allow hot water and cold water to be sufficiently mixed, through mixed hot water No. two mixing pits to have been flowed into
In, the temperature of hot water in No. two mixing pits is passed to MSP430 by the temperature sensor in No. two mixing pits, when in No. two mixing pits
Hot water temperature and user setting temperature difference within the specific limits, general desirable ± 1.5 DEG C, then MSP430 controls No. two and mixes
The electronic valve closed in the PVC pipeline that pond is connected with water outlet storage tank is opened, and the hot water for making proper temperature flows into water outlet tank,
Otherwise open the electronic valve in the PVC pipeline that No. two mixing pits are connected with recirculation water storage tank；When system detectio is to when No. two
The temperature difference that hot water temperature in mixing pit sets with user is more than a less value, when generally ± 0.2 DEG C, MSP430
X1 and x2 is adjusted using pid control algorithm, the hot water temperature in No. two mixing pits is setting model with the temperature gap of setting
In enclosing；Setting value is reached when MSP430 detects its interior water yield by the hydrostatic sensor in storage tank, water outlet is just started to open at
The electronic valve in PVC pipeline that storage tank is communicated with the external world.
Claims (10)
1. it is a kind of based on PID adjust water-saving intelligent temperature control water heater, it is characterised in that include：
Housing of hot water box, water cell, maincenter control unit, interactive unit, supply unit, detector unit, flow to unit, heating
Unit, power unit；
Described housing of hot water box adopts ABS polymer；Described interactive unit is arranged on heat
On tank shell；Described heating unit is arranged in water cell, and described flow to unit, power unit is arranged on conveying list
In first；Described water cell, supply unit, maincenter control unit, detector unit are arranged in housing of hot water box；Water cell
With supply unit interconnection, maincenter control unit and heating unit, detector unit, interactive unit, flow to unit and be connected, detector unit
It is connected with water cell, supply unit respectively.
2. it is according to claim 1 it is a kind of based on PID adjust water-saving intelligent temperature control water heater, it is characterised in that it is described
Supply unit be PVC pipeline.
3. it is according to claim 1 and 2 it is a kind of based on PID adjust water-saving intelligent temperature control water heater, it is characterised in that
Described flows to unit for electronic valve.
4. it is according to claim 1 it is a kind of based on PID adjust water-saving intelligent temperature control water heater, it is characterised in that it is described
Water cell be three storage tanks and two mixing pits；Three storage tanks include hot water storage tank, recirculation water storage tank, water outlet
Storage tank；Two mixing pits include a mixing pit and No. two mixing pits；Hot water storage tank passes through supply unit, flows to unit again
It is connected with a mixing pit；A number mixing pit is connected by flowing to unit with No. two mixing pits；No. two mixing pits are single by conveying
Unit, flow to unit and be connected with recirculation water storage tank, water outlet storage tank respectively；Recirculation water storage tank is single by power unit, conveying
Unit, flow to unit and be connected with hot water storage tank；Hot water storage tank, mixing pit, a water outlet storage tank are by supply unit, flow direction
Unit is connected with the external world；The shell of hot water storage tank is using the internal double-deck acrylonitrile-butadiene-styrene (ABS) copolymerization for clogging sponge
Thing material envelope.
5. it is according to claim 4 it is a kind of based on PID adjust water-saving intelligent temperature control water heater, it is characterised in that it is described
Power unit be water pump.
6. it is according to claim 4 it is a kind of based on PID adjust water-saving intelligent temperature control water heater, it is characterised in that it is described
Detector unit be temperature sensor and hydrostatic sensor；Temperature sensor is separately positioned on hot water storage tank, No. two mixing pits
And a mixing pit with the PVC pipeline that is connected of the external world；Hydrostatic sensor is separately positioned on hot water storage tank, water outlet water storage
In case, backflow storage tank.
7. it is according to claim 1 it is a kind of based on PID adjust water-saving intelligent temperature control water heater, it is characterised in that it is described
Interactive unit be keyboard, display screen, button, display lamp and knob.
8. it is according to claim 1 it is a kind of based on PID adjust water-saving intelligent temperature control water heater, it is characterised in that it is described
Maincenter control unit be MSP430 single-chip microcomputers and its peripheral circuit.
9. it is according to claim 8 it is a kind of based on PID adjust water-saving intelligent temperature control water heater, it is characterised in that it is described
Heating unit be metal tube and on-off circuit；Heating unit is connected with maincenter control unit.
10. a kind of temp. control method of the as claimed in claim 9 water-saving intelligent temperature control water heater adjusted based on PID, it is special
Levy is to comprise the steps：
1) equipment initialization
Switch on power and heating unit, maincenter control unit, interactive unit, power unit, detector unit are powered；By pressing
Lower button starts heating, and by keyboard or knob the setting value of user is input into, and setting value includes the temperature and water outlet water of hot water
The size of stream, maincenter control unit is operated；
2) link is heated
Maincenter control unit control heating unit is heated to the water in hot water storage tank, MSP430 single-chip microcomputers output PWM ripples
To the on-off circuit of heating unit, the output voltage size of controlling switch circuit, the duty of PWM ripples is bigger, and output voltage is bigger；
This output voltage is added on metal tube, and metal tube generates heat to the hot water heating in hot water storage tank, the power of the bigger heating of voltage
It is bigger；The temperature of the water yield in hot water storage tank and hot water is adopted in the temperature sensor and hydrostatic sensor having in hot water storage tank
Collect and pass to MSP430 single-chip microcomputers, when the water yield crosses the pvc pipe that at least control hot water storage tank is connected with the external world in hot water storage tank
Electronic valve on road is opened, and flows into cold water, when hypervolia then controls the PVC that hot water storage tank is connected with the external world in boiler
Electronic valve on pipeline is closed；When judging that water temperature is increased to temperature upper limit in boiler, then control heating unit and stop adding
Heat, when the temperature in water tank is reduced to lowest temperature, then controls the heating of heating unit full power so that the hot water in boiler is protected
Hold in suitable temperature and the water yield；
3) governing loop
It is required whenever user input water temperature t0 and during discharge c0, single-chip microcomputer MSP430 just can read the value of input,
Temperature t1 of hot water is input into MSP430 single-chip microcomputers by the temperature sensor in hot water storage tank, what mixing pit was in communication with the outside
The temperature of cold water t2 is input into MSP430 single-chip microcomputers by the temperature sensor in PVC pipeline, and single-chip microcomputer is according to the two temperature and use
The temperature and discharge of family setting controls electronic valve aperture x1 in the PVC pipeline that a mixing pit is connected with the external world, hot water storage
Electronic valve aperture x2 in the PVC pipeline that water tank is connected with a mixing pit, two apertures meet following equation：
Solution can be obtained
The mixed hot water of number mixing pit has been flowed in No. two mixing pits, and the temperature sensor in No. two mixing pits is mixed by No. two
The temperature for closing hot water in pond passes to MSP430, when the temperature difference of the hot water temperature in No. two mixing pits and user's setting is in setting
In the range of, then the electronic valve that MSP430 is controlled in the PVC pipeline that No. two mixing pits are connected with water outlet storage tank is opened, and makes temperature
Suitable hot water flows into water outlet tank, otherwise opens the electricity in the PVC pipeline that No. two mixing pits are connected with recirculation water storage tank
Sub- valve；When system detectio is to when the hot water temperature in No. two mixing pits and temperature difference setting more than of user's setting
Value, MSP430 adjusts x1 and x2, the hot water temperature in No. two mixing pits and the temperature gap for setting using pid control algorithm
In set point；Setting value is reached when MSP430 detects its interior water yield by the hydrostatic sensor in storage tank, is just started
Open the electronic valve in the PVC pipeline that water outlet storage tank is communicated with the external world.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710028097.0A CN106679188A (en) | 2017-01-12 | 2017-01-12 | Water-saving intelligent temperature-control water heater based on PID adjustment and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710028097.0A CN106679188A (en) | 2017-01-12 | 2017-01-12 | Water-saving intelligent temperature-control water heater based on PID adjustment and method thereof |
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| CN106679188A true CN106679188A (en) | 2017-05-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655209A (en) * | 2017-11-10 | 2018-02-02 | 西安领投企业管理咨询有限公司 | Domestic intelligent keeps the air-source water heater of water temperature |
| US11313588B2 (en) | 2019-09-20 | 2022-04-26 | Camus Hydronics Ltd. | System and method for controlling water heater output temperature |
| CN115268538A (en) * | 2022-07-11 | 2022-11-01 | 宁波新芝生物科技股份有限公司 | Synchronous PID control device and method for water temperature and flow |
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| CN107655209A (en) * | 2017-11-10 | 2018-02-02 | 西安领投企业管理咨询有限公司 | Domestic intelligent keeps the air-source water heater of water temperature |
| US11313588B2 (en) | 2019-09-20 | 2022-04-26 | Camus Hydronics Ltd. | System and method for controlling water heater output temperature |
| CN115268538A (en) * | 2022-07-11 | 2022-11-01 | 宁波新芝生物科技股份有限公司 | Synchronous PID control device and method for water temperature and flow |
| CN115268538B (en) * | 2022-07-11 | 2024-04-05 | 宁波新芝生物科技股份有限公司 | Synchronous PID control device and method for water temperature and flow |
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