CN110094882A - Gas heater and control method, computer readable storage medium, heating system - Google Patents
Gas heater and control method, computer readable storage medium, heating system Download PDFInfo
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- CN110094882A CN110094882A CN201810099754.5A CN201810099754A CN110094882A CN 110094882 A CN110094882 A CN 110094882A CN 201810099754 A CN201810099754 A CN 201810099754A CN 110094882 A CN110094882 A CN 110094882A
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- water
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- water inlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/065—Construction of housing; Use of materials therefor of taps or cocks with cylindrical plugs
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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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
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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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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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
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The present invention discloses control method, computer readable storage medium, gas heater and the heating system of a kind of gas heater, the gas heater includes heat-exchange system, the combustion system for heating the heat-exchange system, the first temperature sensor and controller, the heat-exchange system has hot water inlet, cooling water inlet and mixed water out, and first temperature sensor is set to the hot water inlet；The control method of the gas heater is the following steps are included: first temperature sensor detects the inflow temperature at the hot water inlet；When the inflow temperature is lower than preset target temperature, the controller controls the combustion system burning；When the inflow temperature is higher than the target temperature, the controller controls the cooling water inlet water inlet.Technical solution of the present invention can be avoided the generation of the too high or too low phenomenon of target temperature.
Description
Technical field
The present invention relates to gas heater technical field, in particular to a kind of gas heater and control method, computer
Readable storage medium storing program for executing, heating system.
Background technique
Currently, new energy is more more and more universal with central heating appliance, for example, for students' dormitory or residential building, by
Roof establishes the solar energy system of large area, provides hot water to concentrate for all residents downstairs, independent relative to each family user
It is arranged for a solar energy system, the solar energy system of large area set by central heating, structure is more compact, integrally accounts for
Ground area is smaller, and heating efficiency and energy utilization rate are higher.
But since the resident in every building is often more, in water use peak section, or when continuous rainy days, big greasy weather,
It is easy to appear the case where hot water can not be supplied in time；And within period of the less user using hot water, solar energy system is to water
Continuous heating is carried out, causes hot water temperature excessively high, is easy scald user.
Summary of the invention
The main object of the present invention is to provide a kind of control method of gas heater, it is intended to avoid target temperature excessively high or
The generation of too low phenomenon.
To achieve the above object, the present invention proposes a kind of control method of gas heater, and the gas heater includes
Heat-exchange system, the combustion system for heating the heat-exchange system, the first temperature sensor and controller, the heat-exchange system
With hot water inlet, cooling water inlet and mixed water out, first temperature sensor is set to the hot water inlet；
The control method of the gas heater the following steps are included:
First temperature sensor detects the inflow temperature at the hot water inlet；
When the inflow temperature is lower than preset target temperature, the controller controls the combustion system burning；
When the inflow temperature is higher than the target temperature, the controller controls the cooling water inlet water inlet.
Preferably, when the inflow temperature is lower than preset target temperature, the controller controls the combustion system
Burning specifically:
When the inflow temperature is lower than the target temperature, the controller is according to the inflow temperature and the target
Temperature adjusts the firepower size of the combustion system.
Preferably, when the inflow temperature is higher than the target temperature, the controller control the cooling water inlet into
Water specifically:
When the inflow temperature is higher than the target temperature, the controller is according to the inflow temperature and the target
Temperature adjusts the ratio of the flow of inlet water of the cooling water inlet and the hot water inlet.
Preferably, the gas heater further includes the second temperature sensor being arranged at the mixed water out；
The control method of the gas heater is further comprising the steps of:
The second temperature sensor detects the leaving water temperature at the mixed water out；
When the leaving water temperature is lower than the inflow temperature and is lower than the target temperature, described in the controller control
The flow of inlet water of cooling water inlet reduces, and/or the flow of inlet water of the control hot water inlet increases；
When the leaving water temperature is lower than the inflow temperature and is higher than the target temperature, described in the controller control
The flow of inlet water of cooling water inlet increases, and/or the flow of inlet water of the control hot water inlet reduces；
When the leaving water temperature is higher than the inflow temperature and is lower than the target temperature, described in the controller control
Combustion system increases firepower；
When the leaving water temperature is higher than the inflow temperature and is higher than the target temperature, described in the controller control
Combustion system reduces firepower.
The present invention also proposes a kind of computer readable storage medium, is stored with combustion gas on the computer readable storage medium
The control program of water heater, the control program of the gas heater realize gas and hot water as described above when being executed by a controller
The step of control method of device.
The present invention also proposes a kind of gas heater, comprising:
Heat-exchange system has hot water inlet, cooling water inlet and mixed water out；
Combustion system, for heating the heat-exchange system；
First temperature sensor is set to the hot water inlet；
Memory is stored with the control program of gas heater；And
Controller is configured to execute the control program of the gas heater, to realize gas heater as described above
Control method the step of.
Preferably, the heat-exchange system is equipped with proportioning valve, and the proportioning valve has a water cavity, is connected to the two of the water cavity
Input port and a delivery outlet, the spool in the water cavity and the actuator being electrically connected with the spool, the cold water into
Mouth and the hot water inlet are respectively connected to an input port, and the controller is electrically connected with the actuator, and described in control
Actuator drives the spool to move in the water cavity, so that two input ports are connected to or disconnect with the delivery outlet.
Preferably, the spool is bonded setting with the peritreme of two input ports, and the spool is equipped with and the output
The water passage of mouth connection, the width of the water passage are greater than the wall thickness between two input ports, the controller control
The actuator drives the valve core movement, so that the water passage is connected to at least one input port.
Preferably, the section of the water cavity is rounded, and the spool is in the semi-cylindrical being adapted to the water cavity, the mistake
Aquaporin is set on the axial plane of the spool, and is arranged through the circumferential surface of the spool, and the controller controls the actuator
The spool is driven to rotate in the water cavity.
The present invention also proposes a kind of heating system, and the heating system includes solar water heater and gas heater,
The solar water appliance has hot water outlet, and the hot water outlet is connected to the hot water inlet of the gas heater.
In the present invention, when inflow temperature is lower than preset target temperature, illustrate hot water provided by solar water heater
Temperature it is lower, it is difficult to meet user demand, therefore when controller determines that inflow temperature is lower than preset target temperature, control combustion
The fuel gas inlet and air intlet air inlet of burning system, and control the igniter of combustion system to the mixed gas of combustion gas and air into
Row ignition carries out combustion heating to exchange hot systems, and the hot water for flowing through heat-exchange system is burned system and further heats, with
Meet user's water demand.When inflow temperature is higher than preset target temperature, show hot water provided by solar water heater
Temperature it is higher, be easy scald user, therefore when controller determine inflow temperature be higher than preset target temperature when, control cold water into
Mouth water inlet, so that cold water is mixed with hot water, to reduce leaving water temperature, avoids user from being burned.
Detailed description of the invention
Fig. 1 is the flow diagram of one embodiment of control method of gas heater of the present invention；
Fig. 2 is the flow diagram of another embodiment of control method of gas heater of the present invention；
Fig. 3 is the structural schematic diagram of an embodiment of gas heater of the present invention；
Fig. 4 is the schematic diagram of internal structure of gas heater in Fig. 3；
Fig. 5 is the cut-away illustration of proportioning valve in Fig. 4.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 10 | Heat-exchange system | 50 | Second temperature sensor |
| 11 | Hot water inlet | 60 | Proportioning valve |
| 12 | Cooling water inlet | 61 | Water cavity |
| 13 | Mixed water out | 62 | Input port |
| 20 | Combustion system | 63 | Delivery outlet |
| 30 | First temperature sensor | 64 | Spool |
| 40 | Controller | 641 | Water passage |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of heating system, and the heating system includes solar water heater and gas heater, described
Solar water appliance has hot water outlet, and the hot water outlet is connected to the hot water inlet of the gas heater.In general, the sun
Can water heater be arranged on roof, for tentatively being heated to tap water, and by the delivery after heating to gas heater,
It can be resident's centralizedly supply hot water of entire building.Requirement due to each resident to water temperature is different, therefore each resident is right
It should be provided with auxiliary water heater, the auxiliary water heater in the present invention is gas heater, can be provided solar water heater
Hot water carries out heating or cooling processing.
In the present embodiment, the gas heater includes heat-exchange system and the burning system for heating the heat-exchange system
System, heat-exchange system is usually finned tube exchanger；In other embodiments, heat-exchange system is finned and hot cubic structure, or
Person is finned and sleeve type structure.The heat-exchange system have hot water inlet, cooling water inlet and mixed water out, hot water inlet with
The hot water outlet of solar water heater is connected to, and cooling water inlet is connected to tap water water source, and mixed water out is connected to user with water end (W.E.).
Combustion system includes burner, burner can specifically be located at below heat-exchange system, heats heat-exchange system with flame upward；Or
Burner is located above heat-exchange system, heats heat-exchange system with flame downward；Or burner is located at heat-exchange system side, with
Heat-exchange system is heated towards side flame.
Further, the gas heater further includes the first temperature sensor being arranged at the hot water inlet, institute
The first temperature sensor is stated to be electrically connected with the controller.
As shown in Figure 1, being based on the gas heater, the present invention proposes a kind of control method of gas heater, the combustion
The control method of gas water heater the following steps are included:
Step S10, first temperature sensor detect the inflow temperature at the hot water inlet.
In the step, the first temperature sensor is measured in real time the inflow temperature at hot water inlet, and will test knot
Fruit is sent to controller.In the present embodiment, the first temperature sensor is connect with controller by electric connection line；Certainly, in other
In embodiment, the first temperature sensor and controller are wirelessly connected, for example, the first temperature sensor is equipped with wireless transmission mould
Block, controller are equipped with wireless receiving module.
Step S20, when the inflow temperature is lower than preset target temperature, the controller controls the combustion system
Burning.
In the step, preset target temperature is set by user according to personal habits, when the inflow temperature is lower than default
Target temperature when, illustrate that the temperature of hot water provided by solar water heater is lower, it is difficult to meet user demand, therefore when control
When device determines that inflow temperature is lower than preset target temperature, the fuel gas inlet and air intlet air inlet of combustion system are controlled, and control
The igniter of combustion system processed carries out ignition to the mixed gas of combustion gas and air, is added with exchanging hot systems and burn
Heat, the hot water for flowing through heat-exchange system is burned system and further heats, to meet user's water demand.
In the present invention, step S20 specifically:
Step S21, when the inflow temperature is lower than the target temperature, the controller according to the inflow temperature and
The target temperature adjusts the firepower size of the combustion system.
In general, controller controls the firepower size of combustion system by controlling the air inflow of fuel gas inlet.The present embodiment
In, controller is according to the difference of inflow temperature and target temperature, to adjust the firepower of combustion system, when inflow temperature and target temperature
When the difference of degree is greater than default upper difference (for example, the default upper difference is greater than 5 DEG C, concretely 6 DEG C, 7 DEG C or 9 DEG C), show
Inflow temperature is far smaller than target temperature, then controller control combustion system increases firepower, for example, controller controls combustion system
It is burnt with high flame.When the difference of inflow temperature and target temperature, which is less than, sets difference in advance (for example, this pre- sets difference
Greater than 0 DEG C, less than 2 DEG C, concretely 0.5 DEG C, 1 DEG C or 1.5 DEG C), show inflow temperature close to target temperature, then controller control
Combustion system processed reduces firepower, for example, controller control combustion system is burnt with small firepower.When inflow temperature and target temperature
The difference of degree between default upper difference and when setting between difference in advance, burnt with middle firepower by controller control combustion system.
Water temperature difference-gas inlet amount table of comparisons, the water temperature difference and combustion are prestored in another embodiment, in memory
Corresponding relationship between water temperature difference and gas inlet amount of the gas air inflow table of comparisons to characterize inflow temperature and target temperature,
Controller gets gas inlet amount corresponding with water temperature difference, and according to the gas inlet of acquisition by inquiring the table of comparisons
It measures to adjust the firepower of combustion system.
In another embodiment, controller is according to the ratio of inflow temperature and target temperature, to adjust the fire of combustion system
Power, when the ratio of inflow temperature and target temperature, which is less than, sets ratio in advance (for example, the pre- ratio of setting specifically may be used less than 0.6
Being 0.1,0.4 or 0.5), shows that inflow temperature is far smaller than target temperature, then controller control combustion system increases firepower, e.g.,
Controller control combustion system is burnt with high flame.When the ratio of inflow temperature and target temperature is greater than default upper ratio
(for example, the default upper ratio is greater than 0.8, concretely 0.85,0.9 or 0.95), show inflow temperature close to target temperature, then
Controller controls combustion system and reduces firepower, and e.g., controller control combustion system is burnt with small firepower.When inflow temperature with
For the ratio of target temperature between default upper ratio and when setting between ratio in advance, controller controls combustion system with the progress of middle firepower
Burning.
Certainly, water temperature ratio-gas inlet amount table of comparisons is prestored in other embodiments, in memory, the water temperature ratio
Pair between the water temperature ratio and gas inlet amount of value and the gas inlet amount table of comparisons to characterize inflow temperature and target temperature
It should be related to, controller gets gas inlet amount corresponding with water temperature ratio, and according to the combustion of acquisition by inquiring the table of comparisons
Gas air inflow adjusts the firepower of combustion system.
Step S30, when the inflow temperature is higher than the target temperature, the controller control the cooling water inlet into
Water.
In the step, when the inflow temperature is higher than preset target temperature, show provided by solar water heater
The temperature of hot water is higher, is easy scald user, therefore when controller determines that inflow temperature is higher than preset target temperature, it controls cold
Water inlet water inlet, so that cold water is mixed with hot water, to reduce leaving water temperature.
In the present invention, step S30 specifically:
Step S31, when the inflow temperature is higher than the target temperature, the controller according to the inflow temperature and
The target temperature adjusts the ratio of the flow of inlet water of the cooling water inlet and the hot water inlet.
In the present embodiment, when the inflow temperature is higher than the target temperature, controller is according to inflow temperature and target
The difference of temperature adjusts the flow of inlet water of cooling water inlet and hot water inlet respectively.When the difference of inflow temperature and target temperature is big
When preset difference value (for example, the preset difference value is greater than 5 DEG C, concretely 6 DEG C, 7 DEG C or 9 DEG C), show that inflow temperature is much big
In target temperature, then the ratio of the flow of inlet water of controller control cooling water inlet and the hot water inlet increases, i.e., corresponding control
The flow of inlet water of cooling water inlet increases, while keeping the flow of inlet water of hot water inlet constant or controlling the water inlet of hot water inlet simultaneously
Flow reduces；Alternatively, accordingly the flow of inlet water of control cooling water inlet is constant, while the flow of inlet water for controlling hot water inlet reduces,
So that the ratio of the flow of inlet water of cooling water inlet and the hot water inlet increases.When the difference of inflow temperature and target temperature is small
When preset difference value, show inflow temperature close to target temperature, then controller control cooling water inlet and the hot water inlet into
The ratio of water flow reduces, i.e., accordingly the flow of inlet water of control cooling water inlet reduces, while keeping the flow of inlet water of hot water inlet
Flow of inlet water that is constant or controlling hot water inlet simultaneously increases；Or the flow of inlet water of corresponding control cooling water inlet is constant, and controls
The flow of inlet water for heating water inlet increases, so that the ratio of the flow of inlet water of cooling water inlet and the hot water inlet reduces.
Prestore water temperature difference-flow of inlet water ratio control table in another embodiment, in memory, the water temperature difference with
Water temperature difference of the flow of inlet water ratio control table to characterize inflow temperature and target temperature, with cooling water inlet and hot water inlet
Corresponding relationship between flow of inlet water ratio, controller get water inlet corresponding with water temperature difference by inquiring the table of comparisons
Flow proportional, and adjust according to the flow of inlet water ratio of acquisition the flow of inlet water of cooling water inlet and hot water inlet.
In another embodiment, controller is according to the ratio of inflow temperature and target temperature, to adjust cooling water inlet and heat
The flow of inlet water cooling water inlet of water inlet and the flow of inlet water of hot water inlet.Certainly, it in other embodiments, is prestored in memory
There is water temperature ratio-flow of inlet water ratio control table, the water temperature ratio and flow of inlet water ratio control table are to characterize inflow temperature
Corresponding relationship between the water temperature ratio and flow of inlet water ratio of target temperature, controller are obtained by inquiring the table of comparisons
To flow of inlet water ratio corresponding with water temperature ratio, and adjusted according to the flow of inlet water ratio of acquisition cooling water inlet and hot water into
The flow of inlet water of mouth.
Further, the gas heater further includes the second temperature sensor being arranged at the mixed water out, institute
Second temperature sensor is stated to be electrically connected with the controller.
As shown in Fig. 2, the control method of the gas heater is further comprising the steps of:
Step S40, the second temperature sensor detect the leaving water temperature at the mixed water out.
In the step, second temperature sensor is measured in real time the inflow temperature at mixed water out, and will test knot
Fruit is sent to controller.In the present embodiment, second temperature sensor is connect with controller by electric connection line；Certainly, in other
In embodiment, second temperature sensor and controller are wirelessly connected, for example, second temperature sensor is equipped with wireless transmission mould
Block, controller are equipped with wireless receiving module.
Step S50, when the leaving water temperature is lower than the inflow temperature and is lower than the target temperature, the controller
The flow of inlet water for controlling the cooling water inlet reduces, and/or the flow of inlet water of the control hot water inlet increases.
In the step, when the leaving water temperature is lower than inflow temperature, then inevitably, cooling water inlet is open, and mixes water
The water of outlet is the mixing water of cold water and hot water.When the leaving water temperature is lower than target temperature, show the aperture of cooling water inlet
Larger or hot water inlet aperture is smaller, therefore the flow of inlet water of controller control cooling water inlet reduces, and/or control institute
The flow of inlet water for stating hot water inlet increases, so that leaving water temperature is close or equal to target temperature, to meet user demand.
Step S60, when the leaving water temperature is lower than the inflow temperature and is higher than the target temperature, the controller
The flow of inlet water for controlling the cooling water inlet increases, and/or the flow of inlet water of the control hot water inlet reduces.
In the step, when the leaving water temperature is higher than target temperature, show that the aperture of cooling water inlet is smaller, or heat
The aperture of water inlet is larger, therefore the flow of inlet water that controller controls the cooling water inlet increases, and/or the control hot water inlet
Flow of inlet water reduce.
Step S70, when the leaving water temperature is higher than the inflow temperature and is lower than the target temperature, the controller
It controls the combustion system and increases firepower.
Step S80, when the leaving water temperature is higher than the inflow temperature and is higher than the target temperature, the controller
It controls the combustion system and reduces firepower.
In step S70 and S80, when the leaving water temperature is higher than the inflow temperature, then inevitably, combustion system is
In heated condition.When the leaving water temperature is lower than target temperature, show that the firepower of combustion system is smaller, therefore controller control
The firepower of combustion system processed increases.When the leaving water temperature is higher than target temperature, show that the firepower of combustion system is larger, therefore controls
The firepower of device control combustion system processed reduces, so that leaving water temperature is equal to target temperature, meets user demand.
In the present invention, by the way that the first temperature sensor is arranged, the inflow temperature of hot water inlet is fed back into controller, is controlled
Device carries out preliminary temperature adjustment according to inflow temperature.It is by the way that second temperature sensor is arranged, the leaving water temperature of mixed water out is precisely anti-
It feeds controller, controller carries out accurate temperature adjustment according to leaving water temperature, so that effluent temperature constancy, and leaving water temperature is more nearly
Target temperature more preferably meets user demand, avoids the generation of the too high or too low phenomenon of leaving water temperature.
Incorporated by reference to reference Fig. 3 to Fig. 5, the present invention also proposes a kind of gas heater, comprising:
Heat-exchange system 10 has hot water inlet 11, cooling water inlet 12 and mixed water out 13；
Combustion system 20, for heating the heat-exchange system 10；
First temperature sensor 30 is set to the hot water inlet 11；
Memory is stored with the control program of gas heater；And
Controller 40 is configured to execute the control program of the gas heater, to realize gas and hot water as described above
The step of control method of device.
Specifically, controller 40 is electrically connected with the combustion system 20 and first temperature sensor 30 respectively, described
Controller 40 is used to control the combustion system 20 when the inflow temperature of the hot water inlet 11 is lower than preset target temperature
Burning；The controller 40 be also used to when the inflow temperature be higher than the target temperature when, control the cooling water inlet 12 into
Water.
In the present invention, the first temperature sensor 30 is measured in real time the inflow temperature at hot water inlet 11, and will inspection
It surveys result and is sent to controller 40.In the present embodiment, the first temperature sensor 30 is connect with controller 40 by electric connection line；When
So, in other embodiments, the first temperature sensor 30 is wirelessly connected with controller 40, for example, on the first temperature sensor 30
Equipped with wireless transmitter module, controller 40 is equipped with wireless receiving module.
Preset target temperature is set by user according to personal habits, when the inflow temperature is lower than preset target temperature
When, illustrate that the temperature of hot water provided by solar water heater is lower, it is difficult to meet user demand, thus when controller 40 determine into
When coolant-temperature gage is lower than preset target temperature, the fuel gas inlet and air intlet air inlet of combustion system 20 are controlled, and controls burning
The igniter of system 20 carries out ignition to the mixed gas of combustion gas and air, carries out combustion heating to exchange hot systems 10,
The hot water for flowing through heat-exchange system 10 is burned the further heating of system 20, to meet user's water demand.When the inflow temperature
When higher than preset target temperature, show that the temperature of hot water provided by solar water heater is higher, is easy scald user, therefore works as
When controller 40 determines that inflow temperature is higher than preset target temperature, control cooling water inlet 12 is intake, so that cold water and hot water are mixed
It closes, to reduce leaving water temperature.
Further, the controller 40 is also used to when the inflow temperature is lower than the target temperature, according to described
Inflow temperature and the target temperature adjust the firepower of the combustion system 20.
In general, controller 40 controls the firepower size of combustion system 20 by controlling the air inflow of fuel gas inlet.This reality
It applies in example, controller 40 works as inflow temperature according to the difference of inflow temperature and target temperature to adjust the firepower of combustion system 20
When being greater than default upper difference with the difference of target temperature (for example, the default upper difference is greater than 5 DEG C, concretely 6 DEG C, 7 DEG C or 9
DEG C), show that inflow temperature is far smaller than target temperature, then controller 40 controls the increase firepower of combustion system 20, for example, controller
40 control combustion systems 20 are burnt with high flame.When the difference of inflow temperature and target temperature, which is less than, sets difference in advance
(for example, the pre- difference of setting is greater than 0 DEG C, less than 2 DEG C, concretely 0.5 DEG C, 1 DEG C or 1.5 DEG C), show that inflow temperature is close
Target temperature, then controller 40 controls the reduction firepower of combustion system 20, for example, controller 40 controls combustion system 20 with small firepower
It burns.When the difference of inflow temperature and target temperature is between default upper difference and sets between difference in advance, controller 40
Control combustion system 20 is burnt with middle firepower.
Water temperature difference-gas inlet amount table of comparisons, the water temperature difference and combustion are prestored in another embodiment, in memory
Corresponding relationship between water temperature difference and gas inlet amount of the gas air inflow table of comparisons to characterize inflow temperature and target temperature,
Controller 40 gets gas inlet amount corresponding with water temperature difference by inquiring the table of comparisons, and according to the combustion gas of acquisition into
Tolerance adjusts the firepower of combustion system 20.
In another embodiment, controller 40 is according to the ratio of inflow temperature and target temperature, to adjust combustion system 20
Firepower, when the ratio of inflow temperature and target temperature, which is less than, sets ratio in advance (for example, the pre- ratio of setting is less than 0.6, tool
Body can be 0.1,0.4 or 0.5), show that inflow temperature is far smaller than target temperature, then controller 40 controls combustion system 20 and increases
Firepower, e.g., controller 40 are controlled combustion system 20 and are burnt with high flame.When the ratio of inflow temperature and target temperature is greater than
When default upper ratio (for example, the default upper ratio is greater than 0.8, concretely 0.85,0.9 or 0.95), show that inflow temperature connects
Close-target temperature, then controller 40 controls the reduction firepower of combustion system 20, and e.g., controller 40 controls combustion system 20 with small firepower
It burns.When the ratio of inflow temperature and target temperature is between default upper ratio and sets between ratio in advance, controller 40
Control combustion system 20 is burnt with middle firepower.
Certainly, water temperature ratio-gas inlet amount table of comparisons is prestored in other embodiments, in memory, the water temperature ratio
Pair between the water temperature ratio and gas inlet amount of value and the gas inlet amount table of comparisons to characterize inflow temperature and target temperature
It should be related to, controller 40 gets gas inlet amount corresponding with water temperature ratio, and according to acquisition by inquiring the table of comparisons
Gas inlet amount adjusts the firepower of combustion system 20.
Further, the controller 40 is also used to when the inflow temperature is higher than the target temperature, according to described
Inflow temperature and the target temperature adjust the ratio of the flow of inlet water of the cooling water inlet 12 and the hot water inlet 11.
In the present embodiment, when the inflow temperature is higher than the target temperature, controller 40 is according to inflow temperature and mesh
The difference of temperature is marked, adjusts the flow of inlet water of cooling water inlet 12 and hot water inlet 11 respectively.When inflow temperature and target temperature
When difference is greater than preset difference value (for example, the preset difference value is greater than 5 DEG C, concretely 6 DEG C, 7 DEG C or 9 DEG C), show inflow temperature
It is far longer than target temperature, then the ratio that controller 40 controls the flow of inlet water of cooling water inlet 12 and the hot water inlet 11 increases
Greatly, i.e., accordingly the flow of inlet water of control cooling water inlet 12 increases, while keeping the flow of inlet water of hot water inlet 11 constant or simultaneously
The flow of inlet water for controlling hot water inlet 11 reduces；Alternatively, accordingly the flow of inlet water of control cooling water inlet 12 is constant, while controlling heat
The flow of inlet water of water inlet 11 reduces, so that the ratio of the flow of inlet water of cooling water inlet 12 and the hot water inlet 11 increases.
When the difference of inflow temperature and target temperature is less than preset difference value, show inflow temperature close to target temperature, then controller 40
The ratio for controlling the flow of inlet water of cooling water inlet 12 and the hot water inlet 11 reduces, i.e. the accordingly water inlet of control cooling water inlet 12
Flow reduces, while keeping the flow of inlet water of hot water inlet 11 constant or controlling the flow of inlet water increase of hot water inlet 11 simultaneously；
Or the flow of inlet water of corresponding control cooling water inlet 12 is constant, and the flow of inlet water for controlling hot water inlet 11 increases, so that cold
The ratio of the flow of inlet water of water inlet 12 and the hot water inlet 11 reduces.
Prestore water temperature difference-flow of inlet water ratio control table in another embodiment, in memory, the water temperature difference with
Water temperature difference of the flow of inlet water ratio control table to characterize inflow temperature and target temperature, with cooling water inlet 12 and hot water inlet
Corresponding relationship between 11 flow of inlet water ratio, controller 40 are got corresponding with water temperature difference by inquiring the table of comparisons
Flow of inlet water ratio, and adjust according to the flow of inlet water ratio of acquisition the feed water flow of cooling water inlet 12 and hot water inlet 11
Amount.
In another embodiment, controller 40 is according to the ratio of inflow temperature and target temperature, to adjust cooling water inlet 12
With the flow of inlet water cooling water inlet 12 of hot water inlet 11 and the flow of inlet water of hot water inlet 11.Certainly, it in other embodiments, deposits
Water temperature ratio-flow of inlet water ratio control table is prestored in reservoir, the water temperature ratio and flow of inlet water ratio control table are to table
The corresponding relationship between inflow temperature and the water temperature ratio and flow of inlet water ratio of target temperature is levied, controller 40 should by inquiry
The table of comparisons gets flow of inlet water ratio corresponding with water temperature ratio, and adjusts cold water according to the flow of inlet water ratio of acquisition
The flow of inlet water of import 12 and hot water inlet 11.
Further, the gas heater further includes the second temperature sensor being arranged at the mixed water out 13
50；Second temperature sensor 50 is measured in real time the inflow temperature at mixed water out 13, and will test result and be sent to control
Device 40 processed.In the present embodiment, second temperature sensor 50 is connect with controller 40 by electric connection line；Certainly, in other implementations
In example, second temperature sensor 50 and controller 40 are wirelessly connected, for example, second temperature sensor 50 is equipped with wireless transmission mould
Block, controller 40 are equipped with wireless receiving module.
In the present embodiment, the controller 40 is also used to the leaving water temperature at the mixed water out 13 lower than the water inlet
Temperature, and when being lower than the target temperature, the flow of inlet water for controlling the cooling water inlet 12 reduces, and/or the control hot water
The flow of inlet water of import 11 increases；The controller 40 is also used to be lower than the inflow temperature when the leaving water temperature, and is higher than
When the target temperature, the flow of inlet water for controlling the cooling water inlet 12 increases, and/or the water inlet of the control hot water inlet 11
Flow reduces.When the leaving water temperature is lower than inflow temperature, then inevitably, cooling water inlet 12 is open, and mixes water out 13
Water be cold water and hot water mixing water.When the leaving water temperature is lower than target temperature, show the aperture of cooling water inlet 12 compared with
Greatly or the aperture of hot water inlet 11 is smaller, therefore the flow of inlet water that controller 40 controls cooling water inlet 12 reduces, and/or control
The flow of inlet water for making the hot water inlet 11 increases, so that leaving water temperature is close or equal to target temperature, to meet user's need
It asks.In the step, when the leaving water temperature is higher than target temperature, show that the aperture of cooling water inlet 12 is smaller or hot water
The aperture of import 11 is larger, therefore the flow of inlet water that controller 40 controls the cooling water inlet 12 increases, and/or the control hot water
The flow of inlet water of import 11 reduces.
Further, the controller 40 is also used to be higher than the inflow temperature when the leaving water temperature, and lower than described
When target temperature, controls the combustion system 20 and increase firepower；The controller 40 is also used to be higher than institute when the leaving water temperature
When stating inflow temperature, and being higher than the target temperature, controls the combustion system 20 and reduce firepower.When the leaving water temperature is higher than
When the inflow temperature, then inevitably, combustion system 20 is in heated condition.When the leaving water temperature is lower than target temperature
When, show that the firepower of combustion system 20 is smaller, therefore the firepower that controller 40 controls combustion system 20 increases.When the leaving water temperature
When higher than target temperature, show that the firepower of combustion system 20 is larger, therefore the firepower that controller 40 controls combustion system 20 reduces, with
So that leaving water temperature is equal to target temperature, meet user demand.
In the present embodiment, the heat-exchange system 10 is equipped with proportioning valve 60, and the proportioning valve 60 has a water cavity 61, connection
Two input ports 62 of the water cavity 61 and a delivery outlet 63, the spool 64 in the water cavity 61 and with 64 electricity of spool
The actuator of connection, the cooling water inlet 12 and the hot water inlet 11 are respectively connected to an input port 62, the controller
40 are electrically connected with the actuator, and control the actuator and the spool 64 is driven to move in the water cavity 61, so that institute
At least one of delivery outlet 63 and two input ports 62 is stated to be connected to or disconnect.Specifically, actuator is stepper motor or gas
Cylinder etc..When actuator driving spool 64 moves, so that there are four states for the tool of proportioning valve 60: the input port of corresponding hot water inlet 11
62 are connected to delivery outlet 63, and another input port 62 is then disconnected with delivery outlet 63, and for heat-exchange system 10 only into hot water, this is first at this time
State.Two input ports 62 are connected to delivery outlet 63, at this time the both hot water or into cold water of heat-exchange system 10, and cold water and hot water are in water cavity
It is mixed in 61 and flows out delivery outlet 63 jointly, this is the second state.For the second state, each input port 62 can be fully open,
That is the opening of input port 62 opens to the maximum, so that hot water or cold water flowing full amount flows out；Certainly, each input port 62 can also only part
It opens, i.e. 64 partial occlusion input port 62 of spool, to reduce the flow of inlet water of cold water or hot water, to adjust cold water and hot water
Water inlet ratio.Two input ports 62 are disconnected with delivery outlet 63, and the anhydrous circulation of heat-exchange system 10, i.e. user do not use hydrodynamic(al) at this time
Make, controller 40 is not detected with water signal, this is the third state.The input port 62 of corresponding cooling water inlet 12 and delivery outlet 63 connect
Logical, another input port 62 is then disconnected with delivery outlet 63, and heat-exchange system 10 is only into cold water at this time, and not into hot water, this is the 4th state.
For the 4th state, due to the purpose of gas heater itself be exactly the hot water from solar water heater is provided for user, therefore
Under normal circumstances, spool 64 will not go to the position of the 4th state.In other embodiments, the hot water inlet 11 and described
A proportioning valve 60 is respectively provided at cooling water inlet 12, the controller 40 is electrically connected with proportioning valve 60.It should be noted that in hot water
The case where proportioning valve 60 are respectively arranged at import 11 and the cooling water inlet 12, the proportioning valve 60 are that have 62 He of input port
One delivery outlet 63, and equally have the function of adjusting flow of inlet water.
In the present embodiment, the spool 64 is bonded setting with the peritreme of two input ports 62, and the spool 64 is equipped with
The width of the water passage 641 being connected to the delivery outlet 63, the water passage 641 is greater than between two input ports 62
Wall thickness, the controller 40 controls the actuator and the spool 64 is driven to move, so that the water passage 641 and at least one
The input port 62 is connected to.In this present embodiment, no matter how spool 64 rotates, water passage 641 is and delivery outlet 63 always
Connection.Since spool 64 is to be bonded setting with the peritreme of two input ports 62, as long as the water passage 641 and two on spool 64
Input port 62 is staggered, then can guarantee that two input ports 62 are not connected to delivery outlet 63.Spool 64 during the motion, on spool 64
Water passage 641 move to and be connected to any one input port 62, then can guarantee the input port 62 by water passage 641 with
Delivery outlet 63 is connected to, so that hot water inlet 11 corresponding with the input port 62 or cooling water inlet 12 are intake.Due to water passage 641
Width be greater than the wall thickness between two input ports 62, then mean that when spool 64 moves to water passage 641 be against two
When wall surface between the input port 62, two input ports 62 can be connected to water passage 641, at this time hot water inlet 11 and institute
Stating cooling water inlet 12 can intake.Meanwhile by the way that spool 64 is moved towards the direction where hot water inlet 11, or towards cold water
The direction at place moves, and can adjust water passage 641 and hot water inlet 11 and the corresponding surface between the cooling water inlet 12
Product, so as to adjust the ratio of hot water inlet 11 and the flow of inlet water of the cooling water inlet 12.Certainly, in other embodiments, water
Settable two spool 64 in chamber 61, a corresponding input port 62 setting of each spool 64, equally achievable hot water inlet 11 and described
The adjusting of the ratio of the flow of inlet water of cooling water inlet 12.
In the present embodiment, the controller 40 controls the actuator and the spool 64 is driven to turn in the water cavity 61
It is dynamic.Specifically, in the present embodiment, the section of the water cavity 61 is rounded, and the spool 64 is in be adapted to the water cavity 61
Semi-cylindrical, the water passage 641 are set on the axial plane of the spool 64, and are arranged through the circumferential surface of the spool 64, institute
It states controller 40 and controls the actuator and the spool 64 is driven to rotate in the water cavity 61.Delivery outlet 63 and two input ports 62
It is preferred that being divided into the two sides radially of water cavity 61, and it is arranged between input port 62 described in 63 face two of the delivery outlet.
The axial plane of spool 64 is directed towards delivery outlet 63, is spaced apart between the axial plane and delivery outlet 63 of spool 64, therefore at 64 turns of spool
During dynamic, it can guarantee that water passage 641 is connected to delivery outlet 63 always.Certainly, the shape of spool 64 is not limited to semicircle
Cylindricality, such as may be greater than semicolumn or be less than semi-cylindrical either bulk；The section of water cavity 61 is also not limited to circle,
It may be, for example, semicircle plus rectangular combination, or be square.
In other embodiments, the controller 40 controls the actuator and drives the spool 64 in the water cavity 61
Translation.In the embodiment, the section of water cavity 61 can be square, and spool 64 is arranged at square block, two input ports 62 in the same side
On wall, water passage 641 is located at the wall surface towards 62 place of input port of spool 64, is moved by driving spool 64 along the side wall
It is dynamic, enable to water passage 641 to be connected to or disconnect with two input ports 62.Certainly, the section of water cavity 61 is not limited to rectangular, example
It such as can be trapezoidal, semicircle, triangle；The shape of spool 64 is also not limited to square block, for example, can also for it is trapezoidal it is blocky,
Semicolumn etc..
The present invention also proposes a kind of computer readable storage medium, is stored with combustion gas on the computer readable storage medium
The control program of water heater, the control program of the gas heater realize gas and hot water as described above when being executed by a controller
The step of control method of device.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of control method of gas heater, which is characterized in that the gas heater includes heat-exchange system, for heating
The combustion system of the heat-exchange system, the first temperature sensor and controller, the heat-exchange system have hot water inlet, cold water
Import and mixed water out, first temperature sensor are set to the hot water inlet；
The control method of the gas heater the following steps are included:
First temperature sensor detects the inflow temperature at the hot water inlet；
When the inflow temperature is lower than preset target temperature, the controller controls the combustion system burning；
When the inflow temperature is higher than the target temperature, the controller controls the cooling water inlet water inlet.
2. the control method of gas heater as described in claim 1, which is characterized in that when the inflow temperature is lower than default
Target temperature when, the controller controls the combustion system burning specifically:
When the inflow temperature is lower than the target temperature, the controller is according to the inflow temperature and the target temperature
Degree, adjusts the firepower size of the combustion system.
3. the control method of gas heater as described in claim 1, which is characterized in that described in being higher than when the inflow temperature
When target temperature, the controller controls the cooling water inlet water inlet specifically:
When the inflow temperature is higher than the target temperature, the controller is according to the inflow temperature and the target temperature
Degree, adjusts the ratio of the flow of inlet water of the cooling water inlet and the hot water inlet.
4. the control method of gas heater as described in claim 1, which is characterized in that the gas heater further includes setting
Set the second temperature sensor at the mixed water out；
The control method of the gas heater is further comprising the steps of:
The second temperature sensor detects the leaving water temperature at the mixed water out；
When the leaving water temperature is lower than the inflow temperature and is lower than the target temperature, the controller controls the cold water
The flow of inlet water of import reduces, and/or the flow of inlet water of the control hot water inlet increases；
When the leaving water temperature is lower than the inflow temperature and is higher than the target temperature, the controller controls the cold water
The flow of inlet water of import increases, and/or the flow of inlet water of the control hot water inlet reduces；
When the leaving water temperature is higher than the inflow temperature and is lower than the target temperature, the controller controls the burning
System increases firepower；
When the leaving water temperature is higher than the inflow temperature and is higher than the target temperature, the controller controls the burning
System reduces firepower.
5. a kind of computer readable storage medium, which is characterized in that be stored with combustion gas heat on the computer readable storage medium
The control program of hydrophone is realized when the control program of the gas heater is executed by a controller as any in Claims 1-4
The step of control method of gas heater described in.
6. a kind of gas heater characterized by comprising
Heat-exchange system has hot water inlet, cooling water inlet and mixed water out；
Combustion system, for heating the heat-exchange system；
First temperature sensor is set to the hot water inlet；
Memory is stored with the control program of gas heater；And
Controller is configured to execute the control program of the gas heater, to realize such as any one of claims 1 to 4 institute
The step of control method for the gas heater stated.
7. gas heater as claimed in claim 6, which is characterized in that the heat-exchange system is equipped with proportioning valve, the ratio
Example valve have a water cavity, two input ports of the connection water cavity and a delivery outlet, the spool in the water cavity and with institute
The actuator of spool electrical connection is stated, the cooling water inlet and the hot water inlet are respectively connected to an input port, the control
Device is electrically connected with the actuator, and controls the actuator and the spool is driven to move in the water cavity, so that described in two
Input port is connected to or disconnects with the delivery outlet.
8. gas heater as claimed in claim 7, which is characterized in that the spool is bonded with the peritreme of two input ports
Setting, the spool are equipped with the water passage being connected to the delivery outlet, and it is described defeated that the width of the water passage is greater than two
Wall thickness between entrance, the controller control the actuator and drive the valve core movement so that the water passage with extremely
A few input port connection.
9. gas heater as claimed in claim 8, which is characterized in that the section of the water cavity is rounded, and the spool is in
The semi-cylindrical being adapted to the water cavity, the water passage are set on the axial plane of the spool, and run through the week of the spool
Face setting, the controller control the actuator and the spool are driven to rotate in the water cavity.
10. a kind of heating system, which is characterized in that the heating system includes solar water heater, and as claim 6 to
Gas heater described in 9 any one, the solar water appliance have hot water outlet, the hot water outlet and the combustion gas
The hot water inlet of water heater is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810099754.5A CN110094882A (en) | 2018-01-31 | 2018-01-31 | Gas heater and control method, computer readable storage medium, heating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810099754.5A CN110094882A (en) | 2018-01-31 | 2018-01-31 | Gas heater and control method, computer readable storage medium, heating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081957A (en) * | 2020-09-23 | 2020-12-15 | 宁波华成阀门有限公司 | Accurate temperature control water distribution valve and related components thereof |
| CN112200735A (en) * | 2020-09-18 | 2021-01-08 | 安徽理工大学 | Temperature identification method based on flame image and control method of low-concentration gas combustion system |
| CN112484311A (en) * | 2020-12-03 | 2021-03-12 | 芜湖美的厨卫电器制造有限公司 | Control method and device for water heater, water heater and processor |
| CN113566429A (en) * | 2020-04-28 | 2021-10-29 | 芜湖美的厨卫电器制造有限公司 | Control method of water heater, water heater and computer readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006343074A (en) * | 2005-06-10 | 2006-12-21 | Chofu Seisakusho Co Ltd | Hot water supply system and three-way valve |
| JP2013036517A (en) * | 2011-08-06 | 2013-02-21 | Time Engineering Co Ltd | Mixing valve unit |
| CN204122271U (en) * | 2014-09-26 | 2015-01-28 | 肖华军 | Temperature control gondola water faucet |
| CN206207715U (en) * | 2016-08-26 | 2017-05-31 | 华帝股份有限公司 | Intelligent gas water heater with variable-lift function |
| CN107144019A (en) * | 2017-05-17 | 2017-09-08 | 广东万家乐燃气具有限公司 | A kind of solar energy linkage gas instantaneous water heater with water mixing valve |
-
2018
- 2018-01-31 CN CN201810099754.5A patent/CN110094882A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006343074A (en) * | 2005-06-10 | 2006-12-21 | Chofu Seisakusho Co Ltd | Hot water supply system and three-way valve |
| JP2013036517A (en) * | 2011-08-06 | 2013-02-21 | Time Engineering Co Ltd | Mixing valve unit |
| CN204122271U (en) * | 2014-09-26 | 2015-01-28 | 肖华军 | Temperature control gondola water faucet |
| CN206207715U (en) * | 2016-08-26 | 2017-05-31 | 华帝股份有限公司 | Intelligent gas water heater with variable-lift function |
| CN107144019A (en) * | 2017-05-17 | 2017-09-08 | 广东万家乐燃气具有限公司 | A kind of solar energy linkage gas instantaneous water heater with water mixing valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566429A (en) * | 2020-04-28 | 2021-10-29 | 芜湖美的厨卫电器制造有限公司 | Control method of water heater, water heater and computer readable storage medium |
| CN112200735A (en) * | 2020-09-18 | 2021-01-08 | 安徽理工大学 | Temperature identification method based on flame image and control method of low-concentration gas combustion system |
| CN112081957A (en) * | 2020-09-23 | 2020-12-15 | 宁波华成阀门有限公司 | Accurate temperature control water distribution valve and related components thereof |
| CN112484311A (en) * | 2020-12-03 | 2021-03-12 | 芜湖美的厨卫电器制造有限公司 | Control method and device for water heater, water heater and processor |
| CN112484311B (en) * | 2020-12-03 | 2022-07-15 | 芜湖美的厨卫电器制造有限公司 | Control method and device for water heater, water heater and processor |
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