CN105546803A - Gas-fired water heating device, gas-fired water heating system, gas-fired water heater and water heating device - Google Patents
Gas-fired water heating device, gas-fired water heating system, gas-fired water heater and water heating device Download PDFInfo
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- CN105546803A CN105546803A CN201610071146.4A CN201610071146A CN105546803A CN 105546803 A CN105546803 A CN 105546803A CN 201610071146 A CN201610071146 A CN 201610071146A CN 105546803 A CN105546803 A CN 105546803A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 593
- 238000010438 heat treatment Methods 0.000 title claims abstract description 77
- 239000002737 fuel gas Substances 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 28
- 235000006506 Brasenia schreberi Nutrition 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 239000003517 fume Substances 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000008236 heating water Substances 0.000 abstract 1
- 230000004907 flux Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- F24H1/108—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 using solid 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
- 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
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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
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
- F24H15/174—Supplying heated water with desired temperature or desired range of temperature
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/305—Control of valves
- F24H15/315—Control of valves of mixing valves
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/335—Control of pumps, e.g. on-off control
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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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/345—Control of fans, e.g. on-off control
- F24H15/35—Control of the speed of fans
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/40—Control of fluid heaters characterised by the type of controllers
- F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
- F24H15/421—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data
- F24H15/429—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data for selecting operation modes
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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
-
- 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
-
- 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
- F24H9/2028—Continuous-flow heaters
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
- F24H15/176—Improving or maintaining comfort of users
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/281—Input from user
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/355—Control of heat-generating means in heaters
- F24H15/36—Control of heat-generating means in heaters of burners
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/355—Control of heat-generating means in heaters
- F24H15/37—Control of heat-generating means in heaters of electric heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a gas-fired water heating device, a gas-fired water heating system, a gas-fired water heater and a water heating device. The gas-fired water heating device comprises a heat exchanger provided with a water inlet and a water outlet, a burning device, a water pump and a control device; the burning device is used for heating water in the heat exchanger, the burning device has a first working mode with a first output power range and a second working mode with a second output power range, and the first output power range is smaller than 4 KW; the water pump is communicated with the heat exchanger, and the control device is connected with the burning device and the water pump; the gas-fired water heating device has a preheating circulation mode which meets the conditions that the control device controls the water pump to drive the water in the heat exchanger to flow and controls the burning device to be in the first working mode. By means of the gas-fired water heating device, the starting frequency of the burning device and the water pump can be reduced, sound made by the gas-fired water heating device can be reduced, and the temperature of outflow water can be kept stable.
Description
Technical field
The present invention relates to a kind of hot water technique field, particularly relate to a kind of gas-fired water heater, fuel gas water heating system, gas heater and hot water apparatus.
Background technology
Existing hot water apparatus (gas heater, heating stove and electric heater), forms circulation line often through return pipe and avoids waste and user to use inconvenience.Water in circulation line is heated by hot water apparatus, such user use hot water time, without the need to discharging hot water apparatus and by the normal-temperature water in the pipeline between water terminal or water at low temperature, can hot water being used at any time.。
In the prior art, hot water apparatus is carrying out circulation time, and because hot water apparatus heating power is higher, the water temperature of the water in circulation line often comparatively fast reaches or comparatively fast exceedes the leaving water temperature of setting, heater stop heating now in hot water apparatus, circulation line stops circulation.But once stop heating and circulation, the temperature of the water in circulation line will reduce again, and the temperature once the water in circulation line is down to lower, and heater and water pump can be caused again to start.Heating after again starting and water pump can make the temperature of the water in circulation line comparatively fast reach again or comparatively fast exceed the leaving water temperature of setting, and the heater now in hot water apparatus stops heating again.Thus, hot water apparatus of the prior art just must usually open and close water pump and heater in order to the water temperature realizing the water in circulation line meets the requirements.Circulate at circulation line simultaneously and stop in the process of circulation, in circulation line, the excursion of the temperature of water is larger, affects the comfort level that user uses.In addition, due to hot water apparatus, especially gas-fired water heater, runs at higher-wattage and can produce larger noise in frequent start-stop process.
Summary of the invention
In order to overcome the above-mentioned defect of prior art, technical problem to be solved by this invention there is provided a kind of gas-fired water heater, fuel gas water heating system, gas heater and hot water apparatus, its at least one that can solve the problem.
Concrete technical scheme of the present invention is:
The invention discloses a kind of gas-fired water heater, described gas-fired water heater comprises: the heat exchanger with water inlet and delivery port; For the burner heated the water in described heat exchanger, described burner has the first mode of operation of the first output power range, and the second mode of operation of the second output power range; Described first output power range is less than 4 kilowatts; The water pump be communicated with described heat exchanger; The control device be connected with described burner and described water pump; Described gas-fired water heater has warm-up cycle pattern, and described warm-up cycle pattern comprises: described control device controls described water pump and drives water flow in described heat exchanger, controls described burner and is in the first mode of operation.
The invention discloses a kind of fuel gas water heating system, described fuel gas water heating system comprises: the heat exchanger with water inlet and delivery port; Described delivery port is connected to the hot water line with water end (W.E.); Described water inlet is connected to the water return pipeline with water end (W.E.); Hot water line, water return pipeline and heat exchanger can be communicated with formation circulation line; For the burner heated the water in described heat exchanger, described burner has the first mode of operation of the first output power range, and the second mode of operation of the second output power range; The maximum of described first output power range is less than 4 kilowatts; The water pump be communicated with described heat exchanger; The control device be connected with described burner and described water pump; Described fuel gas water heating system has warm-up cycle pattern, and described warm-up cycle pattern comprises: described control device controls described water pump and drives water flow in described heat exchanger, controls described burner and is in the first mode of operation.
The invention discloses a kind of gas heater, this gas heater comprises: the heat exchanger with water inlet and delivery port; For the burner heated the water in described heat exchanger; Described burner has the first mode of operation of the first output power range, and the second mode of operation of the second output power range; The maximum of described first output power range is less than 4 kilowatts; The stepless time adjustment blower fan in described burner downstream is arranged on along combustion product gases direction; The water pump be communicated with described heat exchanger; The control device be connected with described burner, described water pump and described stepless time adjustment blower fan; Described gas heater has warm-up cycle pattern, described warm-up cycle pattern comprises: described control device controls described water pump and drives water flow in described heat exchanger, control described burner and be in the first mode of operation, the rotating speed and described first mode of operation that control described stepless time adjustment blower fan match.
The invention discloses a kind of hot water apparatus, this hot water apparatus comprises: the heat exchanger with water inlet and delivery port; For the heater heated the water in described heat exchanger; The water pump be communicated with described heat exchanger; The control device be connected with described heater and described water pump; Described hot water apparatus has warm-up cycle pattern, described warm-up cycle pattern comprises: described control device controls described water pump and drives water flow in described heat exchanger, control described heater and be in the first mode of operation, the heating power of described first mode of operation is less than 4Kw.
This gas-fired water heater can reduce the number of starts of burner and water pump, can reduce the sound that gas-fired water heater sends, and can maintain the temperature stabilization of water outlet.
Accompanying drawing explanation
Accompanying drawing described here only for task of explanation, and is not intended to limit scope disclosed by the invention by any way.In addition, the shape of each parts in figure and proportional sizes etc. are only schematic, for helping the understanding of the present invention, are not the shape and the proportional sizes that specifically limit each parts of the present invention.Those skilled in the art under the teachings of the present invention, can select various possible shape and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the structural representation of an embodiment of gas-fired water heater in the present invention.
Fig. 2 is the simplification structural representation of an embodiment of fuel gas water heating system in the present invention.
Fig. 3 is the simplification structural representation of another embodiment of fuel gas water heating system in the present invention.
Fig. 4 adopts the temperature curve of water of the heat exchanger of gas-fired water heater of the present invention under warm-up cycle pattern and the comparison chart of the temperature curve with the water of the heat exchanger of gas-fired water heater in prior art under warm-up cycle pattern.
Fig. 5 is the structural representation of the distributor of gas-fired water heater in Fig. 1.
The Reference numeral of above accompanying drawing is: 1, heat exchanger; 2, burner; 3, water pump; 4, control device; 5, stepless time adjustment blower fan; 6, distributor; 61, chamber; 62, magnetic valve; 7, flexible pipe; 8, housing; 9, water return pipeline; 10, control part; 11, mixed water valve; 12, hot water line; 13, cold water pipe.
Detailed description of the invention
By reference to the accompanying drawings with the description of the specific embodiment of the invention, can clearly understand details of the present invention.But the specific embodiment of the present invention described here, only for explaining object of the present invention, and can not to be understood as by any way be limitation of the present invention.Under the teachings of the present invention, technical staff can conceive based on distortion possible arbitrarily of the present invention, and these all should be regarded as belonging to scope of the present invention.
With reference to shown in Fig. 1, the embodiment of the invention discloses a kind of gas-fired water heater, this gas-fired water heater comprises: the heat exchanger 1 with water inlet and delivery port; For the burner 2 heated the water in described heat exchanger 1, described burner 2 has the first mode of operation of the first output power range, and the second mode of operation of the second output power range; The maximum of described first output power range is less than 4 kilowatts; The water pump 3 be communicated with described heat exchanger 1; The control device 4 be connected with described burner 2 and described water pump 3; Described gas-fired water heater has warm-up cycle pattern, and described warm-up cycle pattern comprises: described control device 4 controls described water pump 3 and drives water flow in described heat exchanger 1, controls described burner 2 and is in the first mode of operation.
Gas-fired water heater in the embodiment of the present invention has warm-up cycle pattern.Described gas-fired water heater is when being in warm-up cycle pattern, and the control device 4 in gas-fired water heater can make water pump 3 drive water flow in heat exchanger 1, thus the water in heat exchanger 1 and the water in circulation line is circulated.And the control device 4 in gas-fired water heater can also make burner 2 run in a first operation mode, that is, burner 2 is made to run in lower power output (such as 1-3 kilowatt) situation.By said structure, gas-fired water heater is in warm-up cycle process, when the water temperature convergence preheating target temperature of the water in the water temperature guaranteeing the water in circulation line or heat exchanger 1, water pump 3 can also be made to continue to be in running status, burner 2 also can be made to continue to be in running status.The water temperature of the water in the water in such circulation line or heat exchanger 1 also can maintain preheating target temperature more for a long time, and the fluctuation of the water temperature of the water in the water in circulation line or heat exchanger 1 is also less.With reference to shown in Fig. 4, wherein heavy line is the temperature curve of the water in the heat exchanger 1 adopting gas-fired water heater in the present invention under warm-up cycle pattern, and the undulating value adopting the temperature of the water in gas-fired water heater in the present invention heat exchanger 1 under warm-up cycle pattern is 4 degrees Celsius; Dotted line is the temperature curve of the water in prior art in the heat exchanger 1 of gas-fired water heater under warm-up cycle pattern, and the temperature of the water in prior art in the heat exchanger 1 of gas-fired water heater under warm-up cycle pattern is 8 degrees Celsius.As shown in Figure 4, the temperature curve of the water in the heat exchanger 1 of the gas-fired water heater in the present invention under warm-up cycle pattern compared with prior art in the temperature curve of water in the heat exchanger 1 of gas-fired water heater under warm-up cycle pattern more steady, basic maintenance is tending towards or maintains design temperature (50 degrees Celsius).
Meanwhile, due to burner 2 when lighting a fire and when water pump 3 starts the sound that sends of gas-fired water heater higher, and adopt the gas-fired water heater in the embodiment of the present application to decrease the ignition times of burner 2 and the number of starts of water pump 3, thus also just correspondingly reduce the sound that gas-fired water heater sends in warm-up cycle process.Meanwhile, burner runs at the lower output powers, and the sound that gas-fired water heater sends is also lower.Learn through overtesting, the sound that gas-fired water heater of the prior art sends under warm-up cycle pattern is roughly between 47-53.5 decibel, and the sound that the gas-fired water heater in the application sends under warm-up cycle pattern is roughly between 40-44 decibel.
In order to coordinate burner 2 to run at the lower output powers, in order to avoid the corrosion produced because burner 2 runs the more condensed water of generation in lower power output, exhaust fume collecting hood is made up of stainless steel, thus ensure that use safety.In order to improve the integrated level of product, in the present embodiment, described gas-fired water heater comprises housing 8, and described water pump 3 is positioned at described housing 8, and the housing diameter of described water pump 3 is less than 50MM (millimeter).The operating flux of water pump 3 is less than 5L/MIN (liter/min).
In the present embodiment, in order to make water pump 3 goodly must control the flow by it, described water pump 3 is variable frequency pump.By the step-less adjustment mode of variable frequency pump 3, make the user for any pipeline by the adjustment of water pump 3, the function of constant current cycle (about 3L/MIN) can be reached.Therefore the water temperature stability circulated, circulation timei is shorter, improves user and experiences at the hot water of circulation section.
When described gas-fired water heater is in described warm-up cycle pattern, described control device 4 controls described water pump 3 and drives the water in described heat exchanger 1 to run with preset flow.Concrete, described gas-fired water heater can according to the power output etc. of user's pipeline information, the temperature using the water in water target temperature, circulation line, burner 2, burner 2, calculate or provide the preset flow with optimal parameter proportioning, with by the output power limit of burner 2 in the first output power range.When described gas-fired water heater is in described warm-up cycle pattern, control device 4 can regulate according to the operating flux of preset flow to water pump 3.Such as, preset flow is 3L/MIN to K.When gas-fired water heater is in warm-up cycle pattern, when the flow of the water in circulation line is lower than 3L/MIN, the flow of the water in circulation line can increase until reach 3L/MIN by water pump 3.When gas-fired water heater is in warm-up cycle pattern, when the flow of the water in circulation line is higher than 3L/MIN, the flow of the water in circulation line can reduce until reach 3L/MIN by water pump 3.Learn through calculating, the scope of preset flow can be 2-5L/MIN.
In the present embodiment, when gas-fired water heater is in warm-up cycle pattern, the sound sent by gas-fired water heater can be lower, as lower than 46 decibels, can improve the Experience Degree of user thus.
In order to reduce the sound sent by gas-fired water heater further, because water pump 3 operationally can produce certain vibrations, beam (as rubber blanket) can be provided with between housing 8 and water pump 3, thus the sound sent between water pump 3 and housing 8 is fallen lower.Can also damping part be provided with between the pipeline be connected with water pump 3 and water pump 3, as flexible pipe 7, thus water pump 3 and complete machine be carried out completely isolated.Flexible pipe 7 can have withstand voltage and high-temperature resistant result, the absorption of vibrations that water pump 3 can also be produced, and therefore reduces the noise in warm-up cycle process greatly, improves Consumer's Experience.
Described burner 2 comprises distributor 6, and described distributor 6 has at least two chambers 61, and the chamber 61 of distributor 6 described at least one is corresponding with the fire row of one or two or three burners 2.With reference to shown in Fig. 5, in the present embodiment, distributor 6 has three chambers 61 and three magnetic valves 62.These three chambers 61 are corresponding with a magnetic valve 62 respectively, these three magnetic valves 62 can need in running order for the chamber 61 of distributor 6 according to burner 2, such as, these three magnetic valves 62 can make this three chambers 61 difference or simultaneously in running order.In these three chambers 61, have one for preheating chamber (be generally minimum chamber 61, also can share two chambers 61), this preheating chamber is corresponding with two fire rows.When gas-fired water heater is in warm-up cycle pattern, distributor 6 only has preheating chamber to be communicated with proportioning valve.Now, two fire rows corresponding to preheating chamber are in running order, and the power output of each fire row is roughly about 1 kilowatt, and the power output of this burner 2 is roughly 2KW (kilowatt).
In the present embodiment, described warm-up cycle pattern comprises: when the water temperature that described control device 4 controls the water that described burner 2 heats in described heat exchanger 1 reaches in preset range, described control device 4 controls described burner 2 and heats the water in described heat exchanger 1 in this first operative mode, and makes the water temperature of the water in described heat exchanger 1 be tending towards preheating target temperature.Generally speaking, in order to enable user take out comparatively satisfactory water when fetching water, preheating target temperature can than low with water target temperature, or identical with water target temperature.Such as, can be 46 degrees Celsius with water target temperature, corresponding preheating target temperature can be 43 degrees Celsius.
Namely, under warm-up cycle mode situation, after the water temperature of the water in the water temperature of the water in heat exchanger 1 or circulation line can be brought up to preset range by burner 2, as 38-43 degree Celsius, again in a first operation mode, the water in heat exchanger 1 or the water in circulation line is made to be tending towards preheating target temperature gradually.Due under the first mode of operation, the power of burner is lower, the water in circulation line can be made slightly to heat up, be heated to preheating target temperature gradually.
At some user's pipelines longer (energy dissipation produced by pipeline is larger) or when needing to be rapidly heated (initial water temperature is far below preheating target temperature), the water temperature of the water in the water temperature of the water in heat exchanger 1 or circulation line can be brought up to preset range by burner 2 in the second operation mode.Such as, preheating target temperature can be 43 degrees Celsius, and preset range can be 38 degrees Celsius to 42 degrees Celsius.When the water temperature of the water (water driven by water pump) in the water temperature or circulation line of the water in heat exchanger 1 is 20 degrees Celsius, burner 2 can be in the second operation mode, namely the power output of burner 2 is greater than 4KW, the water temperature of the water in the water temperature of the water in heat exchanger 1 or circulation line is improved fast.
When some user's pipelines shorter (energy dissipation produced by pipeline is less) or do not need are rapidly heated (water temperature that initial water temperature is comparatively bordering on the water in the water temperature of the water in heat exchanger 1 or circulation line), the water temperature of the water (water driven by water pump) in the water temperature of the water in heat exchanger 1 or circulation line can be brought up to preset range by burner 2 in a first operation mode.The water temperature of the water in the water temperature of the water in heat exchanger 1 or circulation line can be tending towards the maximum of preset range by burner 2 thus, and there will not be the situation exceeding warm-up cycle target temperature instantaneously.
In one preferred embodiment, control device 4 receives user's service regeulations, and described control device 4 controls described gas-fired water heater based on described user's service regeulations and carries out warm-up cycle pattern.Such as, based on user's service regeulations, control device 4 knows that 9 o'clock daytimes were the ebb or lower by water frequency of the water consumption of this gas-fired water heater to 11 o'clock, in order to saving power, control device 4 can make gas-fired water heater not enter warm-up cycle pattern, and namely the water pump 3 of this gas-fired water heater and burner 2 are in halted state.Again such as, based on user's service regeulations, control device 4 obtains the peak or higher by water frequency that at 22 in evening is the water consumption of this gas-fired water heater, in order to improve user experience, control device 4 can make gas-fired water heater at night before 22 (as point in evening 21) enter warm-up cycle pattern.Like this when user needs with water, the water comparatively meeting user and require just can be got at once.
The embodiment of the present application discloses a kind of fuel gas water heating system, and this gas and hot water system comprises the heat exchanger 1 with water inlet and delivery port; Hot water line 12, are connected to the delivery port of described heat exchanger 1; Water return pipeline 9, is connected to described water inlet; Hot water line 12, water return pipeline 9 can be communicated with formation circulation line with heat exchanger 1; For the burner 2 heated the water in described heat exchanger, described burner 2 has the first mode of operation of the first output power range, and the second mode of operation of the second output power range; Described first output power range is less than 4 kilowatts; The water pump 3 be communicated with described heat exchanger 1; The control device 4 be connected with described burner 2 and described water pump 3; Described fuel gas water heating system has warm-up cycle pattern, and described warm-up cycle pattern comprises: described control device 4 controls described water pump 3 and drives water flow in described heat exchanger 1, controls described burner 2 and is in the first mode of operation.
Fuel gas water heating system in the embodiment of the present invention has warm-up cycle pattern.Described fuel gas water heating system is when being in warm-up cycle pattern, and the control device 4 in fuel gas water heating system can make water pump 3 drive water flow in heat exchanger 1, thus the water in heat exchanger 1 and the water in circulation line is circulated.And the control device 4 in fuel gas water heating system can also make burner 2 run in a first operation mode, that is, burner 2 is made to run in lower power output (such as 1-3 kilowatt) situation.By said structure, gas-fired water heater system is in warm-up cycle process, when the water temperature convergence preheating target temperature of the water in the water temperature guaranteeing the water in circulation line or heat exchanger 1, water pump 3 can also be made to continue to be in running status, burner 2 also can be made to continue to be in running status.The water temperature of the water in the water in such circulation line or heat exchanger 1 also can maintain preheating target temperature more for a long time, and the fluctuation of the water temperature of the water in the water in circulation line or heat exchanger 1 is also less.Due to burner 2 when lighting a fire and when water pump 3 starts the sound that sends of gas-fired water heater higher, and adopt the gas-fired water heater in the embodiment of the present application to decrease the ignition times of burner 2 and the number of starts of water pump 3, thus also just correspondingly reduce the sound that fuel gas water heating system sends in warm-up cycle process.
In the present embodiment, further, when the water temperature that described control device 4 controls the water that described burner 2 heats in described heat exchanger 1 reaches in preset range, described control device 4 controls described burner 2 and heats the water in described heat exchanger 1 in this first operative mode, and makes the water temperature of the water in described heat exchanger 1 be tending towards preheating target temperature.Namely, under warm-up cycle mode situation, after the water temperature of the water in the water temperature of the water in heat exchanger 1 or circulation line can be brought up to preset range by burner 2 under the first mode of operation or the second mode of operation, again in a first operation mode, the water in heat exchanger 1 or the water in circulation line is made to be tending towards preheating target temperature gradually.
In the present embodiment, fuel gas water heating system can also comprise water-use model, under this water-use model, described control device 4 can control described burner 2 and be in the second mode of operation, the i.e. now power output of burner 2 comparatively large (as being greater than 4KW), at least one mixed water valve 11 is in open mode simultaneously, and user can get water by the mixed water valve 11 opened from user side.Under this water-use model, use water target temperature to make the leaving water temperature of user side be tending towards, the power output that control device 4 controls described burner 2 makes the leaving water temperature of heat exchanger 1 be tending towards using water target temperature.Generally speaking, with water target temperature higher than user's design temperature.Such as, when user's design temperature is 43 degrees Celsius, in order to make mixed water valve 11 that the water temperature of mixed for hot and cold water water is met user's design temperature, can be slightly high with water target temperature, such as, can be 46 degrees Celsius with water target temperature.
In the present embodiment, fuel gas water heating system is after being switched to water-use model from preheating mode, described variable frequency pump increases described preset flow to middle flow, and the power output that described control device 4 controls described burner 2 makes the leaving water temperature of described heat exchanger 1 be tending towards using water target temperature; Described variable frequency pump continues to increase the flow of inlet water of described middle flow to described water pump 3, and the power output that described control device 4 controls described burner 2 makes the leaving water temperature of described heat exchanger 1 be tending towards using water target temperature.In order to the stable in outlet water temperature of described heat exchanger 1 is being used water target temperature, the power output of burner 2 is needing to match with the operating flux of variable frequency pump.The power output of burner 2 has certain retardance with mating of the operating flux of variable frequency pump simultaneously.In order to reduce the fluctuation of the leaving water temperature of heat exchanger 1 as far as possible, variable frequency pump increase preset flow to water pump 3 at water-use model time operating flux process in, one or more middle flow can be set, control device 4 control water pump 3 from lower flow bring up to the most close to and higher than after flow in the middle of of its flow, control device 4 improves the power output of burner 2, make the intermediate flow of the power output of this burner 2 and water pump 3 flux matched, when the power output of this burner 2 and the intermediate flow of water pump 3 flux matched after, further the flow of water pump 3 can be brought up to next in the middle of flow or bring up to the operating flux of water-use model, and improve the power output of this burner 2 further, the power output of burner 2 is mated with the operating flux of flow in the middle of the next one of water pump 3 or water-use model.
In the present embodiment, after described fuel gas water heating system is switched to described warm-up cycle pattern from water-use model, described control device 4 controls described variable frequency pump and reduces flow to middle flow, and the power output that described control device 4 controls described burner 2 makes the leaving water temperature of described heat exchanger be tending towards described preheating target temperature; Described variable frequency pump continues to reduce described middle flow to described preset flow, and the power output that described control device 4 controls described burner 2 makes the leaving water temperature of described heat exchanger be tending towards preheating target temperature.
Certain, in other optional embodiments, such as when fuel gas water heating system get user there is larger water intaking possibility within this period time, the control device 4 of fuel gas water heating system also can make variable frequency pump run under the operating flux of its water-use model.Certain, in other optional embodiments, such as when fuel gas water heating system get user there is very little water intaking possibility within this period time, the control device 4 of fuel gas water heating system also can make variable frequency pump out of service, and burner 2 stops heating.Preferably, in order to detect the temperature of the water in circulation line, can on the water inlet of heat exchanger 1 and water outlet or other circulation lines set temperature checkout gear.In order to detect the flow of the water in circulation line, flow detector can be set in the outlet of water pump 3 or other circulation lines.
Fig. 2 shows the concrete embodiment of of fuel gas water heating system in the application, with reference to shown in Fig. 2, described fuel gas water heating system comprises mixed water valve 11, described mixed water valve 11 has hot water end and cold water end, the hot water end of described mixed water valve 11 is communicated with hot water line 12, and the cold water end of described mixed water valve 11 can be communicated with water source by cold water pipe 13; Heat exchanger 1 water inlet is communicated with water source; Also comprise control part 10, described hot water line 12 and described cold water pipe 13 can be connected when described control part 10 is opened; Described cold water pipe 13, described control part 10 form described water return pipeline 9; After described water pump 3 starts, described control part 10 is opened, and is communicated with to make described circulation line.Single tube in this embodiment cruises instant heating gas heater, is the situation for not being provided with water return pipeline 9 in user family.That is, this fuel gas water heating system can make hot water line 12, control part 10, cold water pipe 13 and heat exchanger 1 form circulation line by control part 10, thus realizes warm-up cycle pattern.This mode farthest solves without the needs of return pipe user for instant-heating and outlet hot function.Preferably, the pressure signal that control part 10 can provide based on water pump 3 is opened.When this fuel gas water heating system stops water-use model and prepares to enter warm-up cycle pattern, control part 10 to control part 10 output pressure signal, thus is opened by water pump 3, and circulation line is communicated with.
In the present embodiment, described control part 10 is constant pressure switch device, and described constant pressure switch device comprises: valve body, and its inside is provided with runner; Described runner has import and outlet; Can mutually magnetic closeouts and can part be inhaled; Described closeouts have the described import of partition of interval predeterminable range and the block-up position of described outlet be communicated with described import and described outlet be communicated with position; Described closeouts along described import to the pressure reduction of both sides of described Way out be greater than described closeouts and described inhale between part attraction time, described closeouts can move to described connection position; Described closeouts along described import to the pressure reduction of both sides of described Way out be less than described closeouts and described inhale between part attraction time, described closeouts can move to described block-up position.
By said structure, described control device 4 controls the starting pressure (such as 0.04-0.1MPA) that described variable frequency pump continues to described constant pressure switch device one, under the continuous action of starting pressure, closeouts is greater than described closeouts and described attraction of inhaling between part along described import to the pressure reduction of both sides of described Way out, closeouts could continue to move towards connection position, thus constant pressure switch device is opened, to connect closed circuit by arrival connection position.After constant pressure switch device opens (i.e. closed circuit connect), in order to lower and work under energy consumption comparatively aptly, described control device 4 controls described variable frequency pump and drives the water in described heat exchanger 1 to run with preset flow.Because closeouts needs, under the starting pressure effect continued, constant pressure switch device to be opened, the mistakes such as the error starting caused because of descaling line pressure fluctuation etc. can be avoided like this.
In one preferred embodiment, this fuel gas water heating system comprises multiple mixed water valve 11, and the two ends of described control part 10 are directly communicated with cold water end with the hot water end apart from described heat exchanger 1 mixed water valve 11 farthest respectively.Like this when water return pipeline 9 is connected, the water in maximum hot water lines 12 and cold water pipe 13 can be made to circulate, and make the longest in route of circulation line.When opening any one mixed water valve 11, the leaving water temperature of each respective user end also can comparatively meet the requirements.
With reference to shown in Fig. 3, in another embodiment, in user family, water return pipeline 9 is installed, namely between the water return pipeline 9 hot water end that is arranged on described mixed water valve 11 and described water inlet.
Again with reference to shown in Fig. 1, the embodiment of the present application discloses a kind of gas heater, and this gas heater comprises the heat exchanger 1 with water inlet and delivery port; For the burner 2 heated the water in described heat exchanger 1; Described burner 2 has the first mode of operation of the first output power range, and the second mode of operation of the second output power range; Described first output power range is less than 4 kilowatts; The stepless time adjustment blower fan 5 in described burner 2 downstream is arranged on along combustion product gases direction; The water pump 3 be communicated with described heat exchanger 1; The control device 4 be connected with described burner 2, described water pump 3 and described stepless time adjustment blower fan 5; Described gas heater has warm-up cycle pattern, described warm-up cycle pattern comprises: described control device 4 controls described water pump 3 and drives water flow in described heat exchanger 1, control described burner 2 and be in the first mode of operation, the first mode of operation of the rotating speed and described burner 2 that control described stepless time adjustment blower fan 5 matches.
As previously mentioned, when the water temperature that described control device 4 can control the water that described burner 2 heats in described heat exchanger 1 reaches preset range, described control device 4 controls described burner 2 and heats the water in described heat exchanger 1 in this first operative mode, and makes the water temperature of the water in described heat exchanger 1 be tending towards preheating target temperature.
When burner 2 is in the first mode of operation, namely, when the power output of this burner 2 is lower, control device 4 can control the rotating speed of this stepless time adjustment blower fan 5, that is, control this stepless time adjustment blower fan 5 to run under the rotating speed mated with the power output of this burner 2, thus when meeting the air quantity condition needed for burner 2, reduce the sound because stepless time adjustment blower fan 5 sends, to reduce the sound that this gas heater sends under warm-up cycle pattern further as far as possible.Concrete running, can be called see name: a kind of low-noise gas instantaneous water heater, the patent No. is the patent of ZL201210051343.1, the water temperature that described control device 4 controls the water that described burner heats in described heat exchanger with the sets of burners in the low decibel burning load region be applicable to reaches preset range, and the burning of the rotating speed and described applicable sets of burners that control described stepless time adjustment blower fan 5 matches.
Concrete, the stepless time adjustment blower fan 5 in the application can be positioned at the top of this gas heater, and stepless time adjustment blower fan 5 is upper odd test blower fan.Due to combustion product gases self expanse, therefore under identical burning load, the rotation speed of fan of upper exhausting technology is lower, and the combustion noise of generation is corresponding lower, makes better user experience.
In one preferred embodiment, described burner 2 comprises at least two groups can controlled difference or simultaneously in the sets of burners of low decibel burning load zonal combustion, the water temperature that described control device 4 controls the water that described burner 2 heats in described heat exchanger 1 with the sets of burners in the low decibel burning load region be applicable to reaches preset range, and the burning of the rotating speed and described applicable sets of burners that control described stepless time adjustment blower fan 5 matches.When sets of burners is burnt with different combinations, the burning load region of often kind of combination is not quite similar because sets of burners quantity is different, the noise region that the burning load region of often kind of combination is corresponding is roughly the same, get burning load region corresponding to various combination mode low noise region and form gas instantaneous water heater continuous print low noise burning load region, the noise that gas instantaneous water heater can be made to run in this low noise burning load region remains in very low noise range, also the noise making user no longer run because of gas instantaneous water heater when water for kitchen use feels noisy, achieve beyond thought effect.Meanwhile, the air capacity needed for burning of the rotating speed and described applicable sets of burners that control described stepless time adjustment blower fan 5 matches.
The embodiment of the present application also discloses a kind of hot water apparatus, and this hot water apparatus comprises the heat exchanger with water inlet and delivery port; For the heater heated the water in described heat exchanger; The water pump 3 be communicated with described heat exchanger; The control device 4 be connected with described heater and described water pump 3; Described hot water apparatus has warm-up cycle pattern, described warm-up cycle pattern comprises: described control device 4 controls described water pump 3 and drives water flow in described heat exchanger 1, control described heater and be in the first mode of operation, the heating power of described first mode of operation is less than 4KW.
In the present embodiment, this hot water apparatus is electric heater, and this heater is electric heater unit.Certain, in other optional embodiments, hot water apparatus can also have the hot water apparatus with heating function of identical or similar effect for other.
Each embodiment in this description all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (42)
1. a gas-fired water heater, is characterized in that, described gas-fired water heater comprises:
There is the heat exchanger of water inlet and delivery port;
For the burner heated the water in described heat exchanger, described burner has the first mode of operation of the first output power range, and the second mode of operation of the second output power range;
Described first output power range is less than 4 kilowatts;
The water pump be communicated with described heat exchanger;
The control device be connected with described burner and described water pump;
Described gas-fired water heater has warm-up cycle pattern, and described warm-up cycle pattern comprises:
Described control device controls described water pump and drives water flow in described heat exchanger, controls described burner and is in the first mode of operation.
2. gas-fired water heater according to claim 1, is characterized in that, described gas-fired water heater comprises housing, and described water pump is positioned at described housing, and the housing diameter of described water pump is less than 50mm.
3. gas-fired water heater according to claim 1, is characterized in that, described pump capacity≤5L/min.
4. gas-fired water heater according to claim 1, is characterized in that, described water pump is variable frequency pump.
5. gas-fired water heater according to claim 4, is characterized in that, when described gas-fired water heater is in described warm-up cycle pattern, described control device controls described water pump and drives the water in described heat exchanger to run with preset flow.
6. gas-fired water heater according to claim 5, is characterized in that, the scope of described preset flow is 2-5L/min.
7. gas-fired water heater according to claim 1, is characterized in that, when described gas-fired water heater is in warm-up cycle pattern, by the sound sent of described gas-fired water heater lower than 46 decibels.
8. gas-fired water heater according to claim 2, is characterized in that, is provided with beam between described housing and described water pump.
9. gas-fired water heater according to claim 1, is characterized in that, is provided with damping part between the pipeline be connected and described water pump with described water pump.
10. gas-fired water heater according to claim 9, is characterized in that, described damping part is flexible pipe.
11. gas-fired water heaters according to claim 1, is characterized in that, described first output power range is 1-3Kw.
12. gas-fired water heaters according to claim 1, it is characterized in that, described burner comprises distributor, described distributor has at least two chambers, and the chamber of distributor described at least one is corresponding with the fire row of one or two or three burners.
13. gas-fired water heaters according to claim 1, is characterized in that, described gas-fired water heater also comprises exhaust fume collecting hood, and the material of described exhaust fume collecting hood is stainless steel.
14. gas-fired water heaters according to claim 1, it is characterized in that, described warm-up cycle pattern comprises: when the water temperature that described control device controls the water that described burner heats in described heat exchanger reaches in preset range, described control device controls described burner and heats the water in described heat exchanger in this first operative mode, and makes the water temperature of the water in described heat exchanger be tending towards preheating target temperature.
15. gas-fired water heaters according to claim 14, is characterized in that, the water temperature that described control device controls the water that described burner heats in described heat exchanger in this first operative mode reaches in preset range.
16. gas-fired water heaters according to claim 14, is characterized in that, described control device controls described burner water water temperature heated in described heat exchanger under described second mode of operation and reaches in preset range.
17. gas-fired water heaters according to claim 14, is characterized in that, the maximum of described preset range is lower than described preheating target temperature.
18. gas-fired water heaters according to claim 14, is characterized in that, described preheating target temperature is equal to or less than uses water target temperature.
19. gas-fired water heaters according to claim 1, is characterized in that, described control device receives user's service regeulations, and described control device controls described gas-fired water heater based on described user's service regeulations and carries out warm-up cycle pattern.
20. 1 kinds of fuel gas water heating systems, is characterized in that, described fuel gas water heating system comprises:
There is the heat exchanger of water inlet and delivery port;
Described delivery port is connected to the hot water line with water end (W.E.);
Described water inlet is connected to the water return pipeline with water end (W.E.);
Hot water line, water return pipeline and heat exchanger can be communicated with formation circulation line;
For the burner heated the water in described heat exchanger, described burner has the first mode of operation of the first output power range, and the second mode of operation of the second output power range; Described first power output is less than 4 kilowatts;
The water pump be communicated with described heat exchanger;
The control device be connected with described burner and described water pump;
Described fuel gas water heating system has warm-up cycle pattern, and described warm-up cycle pattern comprises:
Described control device controls described water pump and drives water flow in described heat exchanger, controls described burner and is in the first mode of operation.
21. fuel gas water heating systems according to claim 20, it is characterized in that, when the water temperature that described control device controls the water that described burner heats in described heat exchanger reaches in preset range, described control device controls described burner and heats the water in described heat exchanger in this first operative mode, and makes the water temperature of the water in described heat exchanger be tending towards preheating target temperature.
22. fuel gas water heating systems according to claim 21, it is characterized in that, after water temperature in described circulation line reaches preheating target temperature, described control device controls described burner continuous service in this first operative mode, to maintain the temperature of the water in described circulation line.
23. fuel gas water heating systems according to claim 21, is characterized in that, the water temperature that described control device controls the water that described burner heats in described heat exchanger in the second operation mode reaches preset range.
24. fuel gas water heating systems according to claim 21, is characterized in that, the water temperature that described control device controls the water that described burner heats in described heat exchanger in a first operation mode reaches preset range.
25. fuel gas water heating systems according to claim 20, is characterized in that, described water pump is variable frequency pump.
26. fuel gas water heating systems according to claim 25, it is characterized in that, described fuel gas water heating system comprises water-use model, and described water-use model comprises: the power output that described control device controls described burner makes the leaving water temperature of described heat exchanger be tending towards using water target temperature.
27. fuel gas water heating systems according to claim 26, it is characterized in that, after described fuel gas water heating system is switched to described water-use model from warm-up cycle pattern, described variable frequency pump increases preset flow to middle flow, and the power output that described control device controls described burner makes the leaving water temperature of described heat exchanger be tending towards using water target temperature; Described variable frequency pump continues to increase the flow of inlet water of described middle flow to described water pump, and the power output that described control device controls described burner makes the leaving water temperature of described heat exchanger be tending towards using water target temperature.
28. fuel gas water heating systems according to claim 26, it is characterized in that, after described fuel gas water heating system is transformed into described warm-up cycle pattern from described water-use model, described control device controls described variable frequency pump and reduces flow to middle flow, and the power output that described control device controls described burner makes the leaving water temperature of described heat exchanger be tending towards described preheating target temperature; Described variable frequency pump continues to reduce described middle flow to preset flow, and the power output that described control device controls described burner makes the leaving water temperature of described heat exchanger be tending towards preheating target temperature.
29. fuel gas water heating systems according to claim 25, is characterized in that, described fuel gas water heating system comprises
Mixed water valve, described mixed water valve has hot water end and cold water end, and the hot water end of described mixed water valve is communicated with hot-water line, and the cold water end of described mixed water valve can be communicated with water source by cold water pipe;
Heat exchanger water inlet is communicated with water source;
Also comprise control part, described hot-water line and described cold water pipe can be connected when described control part is opened;
Described cold water pipe, described control part form described water return pipeline;
When after described starting mode of pump, described control part is opened, and is communicated with to make described circulation line.
30. fuel gas water heating systems according to claim 29, is characterized in that, can provide for its pressure signal opened during described water pump operation to described control part.
31. fuel gas water heating systems according to claim 30, is characterized in that, described control part is constant pressure switch device, and described constant pressure switch device comprises: valve body, and its inside is provided with runner; Described runner has import and outlet;
Can mutually magnetic closeouts and can part be inhaled;
Described closeouts have the described import of partition of interval predeterminable range and the block-up position of described outlet be communicated with described import and described outlet be communicated with position;
Described closeouts along described import to the pressure reduction of both sides of described Way out be greater than described closeouts and described inhale between part attraction time, described closeouts can move to described connection position;
Described closeouts along described import to the pressure reduction of both sides of described Way out be less than described closeouts and described inhale between part attraction time, described closeouts can move to described block-up position.
32. fuel gas water heating systems according to claim 31, it is characterized in that, described fuel gas water heating system comprises water-use model, described water-use model comprises: the power output that described control device controls described burner makes the leaving water temperature of described heat exchanger be tending towards using water target temperature, when described water-use model switches to warm-up cycle pattern, described control device controls described variable frequency pump to described constant pressure switch device starting pressure to open described constant pressure switch device, after described constant pressure switch device is opened, described control device controls described variable frequency pump and drives the water in described heat exchanger to run with preset flow.
33. fuel gas water heating systems according to claim 32, is characterized in that, the starting pressure of described constant pressure switch device is 0.04-0.1Mpa.
34. fuel gas water heating systems according to claim 29, is characterized in that, this fuel gas water heating system comprises multiple mixed water valve, and the two ends of described control part are directly communicated with cold water end with the hot water end apart from described heat exchanger mixed water valve farthest respectively.
35. fuel gas water heating systems according to claim 20, is characterized in that, described fuel gas water heating system comprises
Mixed water valve, described mixed water valve has hot water end and cold water end, and the hot water end of described mixed water valve is communicated with hot-water line, and the cold water end of described mixed water valve can be communicated with water source by cold water pipe;
Between the hot water end that described water return pipeline is arranged on described mixed water valve and described water inlet.
36. fuel gas water heating systems according to claim 20, is characterized in that, described fuel gas water heating system comprises and is arranged on temperature-detecting device on described circulation line and flow detector.
37. 1 kinds of gas heaters, is characterized in that, this gas heater comprises:
There is the heat exchanger of water inlet and delivery port;
For the burner heated the water in described heat exchanger; Described burner has the first mode of operation of the first output power range, and the second mode of operation of the second output power range;
Described first output power range is less than 4 kilowatts;
The stepless time adjustment blower fan in described burner downstream is arranged on along combustion product gases direction;
The water pump be communicated with described heat exchanger;
The control device be connected with described burner, described water pump and described stepless time adjustment blower fan;
Described gas heater has warm-up cycle pattern, and described warm-up cycle pattern comprises:
Described control device controls described water pump and drives water flow in described heat exchanger, and control described burner and be in the first mode of operation, the rotating speed and described first mode of operation that control described stepless time adjustment blower fan match.
38. according to gas heater according to claim 37, it is characterized in that, when the water temperature that described control device controls the water that described burner heats in described heat exchanger reaches preset range, described control device controls described burner and heats the water in described heat exchanger in this first operative mode, and makes the water temperature of the water in described heat exchanger be tending towards preheating target temperature.
39. according to gas heater according to claim 38, it is characterized in that, described burner comprises at least two groups can controlled difference or simultaneously in the sets of burners of low decibel burning load zonal combustion, the water temperature that described control device controls the water that described burner heats in described heat exchanger with the sets of burners in the low decibel burning load region be applicable to reaches preset range, and the burning of the rotating speed and described applicable sets of burners that control described stepless time adjustment blower fan matches.
40. according to gas heater according to claim 37, it is characterized in that, described water pump is variable frequency pump, described control device controls described variable frequency pump and drives the water in described heat exchanger to flow with preset flow, and the water temperature controlling the water that described burner heats in described heat exchanger is in a first operation mode tending towards preheating target temperature.
41. 1 kinds of hot water apparatus, is characterized in that, this hot water apparatus comprises:
There is the heat exchanger of water inlet and delivery port;
For the heater heated the water in described heat exchanger;
The water pump be communicated with described heat exchanger;
The control device be connected with described heater and described water pump;
Described hot water apparatus has warm-up cycle pattern, and described warm-up cycle pattern comprises:
Described control device controls described water pump and drives water flow in described heat exchanger, and control described heater and be in the first mode of operation, the heating power of described first mode of operation is less than 4Kw.
42. hot water apparatus according to claim 41, is characterized in that, described heater is electric heater unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071146.4A CN105546803B (en) | 2016-02-01 | 2016-02-01 | Gas water heating device, gas water heating system, gas water heater and water heating device |
| PCT/CN2016/098279 WO2017133241A1 (en) | 2016-02-01 | 2016-09-07 | Gas water heating device, gas water heating system, gas water heater and water heating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071146.4A CN105546803B (en) | 2016-02-01 | 2016-02-01 | Gas water heating device, gas water heating system, gas water heater and water heating device |
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| Publication Number | Publication Date |
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| CN105546803A true CN105546803A (en) | 2016-05-04 |
| CN105546803B CN105546803B (en) | 2019-12-20 |
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| CN201610071146.4A Active CN105546803B (en) | 2016-02-01 | 2016-02-01 | Gas water heating device, gas water heating system, gas water heater and water heating device |
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| WO (1) | WO2017133241A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766186A (en) * | 2016-12-26 | 2017-05-31 | 广东万家乐燃气具有限公司 | A kind of hot water circulating device with straightway pump and its control system |
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| CN109297179A (en) * | 2017-07-25 | 2019-02-01 | 青岛经济技术开发区海尔热水器有限公司 | Electricity auxiliary warm-up cycle gas heater, prewarming circulating system and control method |
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| CN109297179A (en) * | 2017-07-25 | 2019-02-01 | 青岛经济技术开发区海尔热水器有限公司 | Electricity auxiliary warm-up cycle gas heater, prewarming circulating system and control method |
| CN109297179B (en) * | 2017-07-25 | 2022-01-18 | 青岛经济技术开发区海尔热水器有限公司 | Electric auxiliary preheating circulation gas water heater, preheating circulation system and control method |
| WO2019154045A1 (en) * | 2018-02-10 | 2019-08-15 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber structure and gas water heater |
| CN110470048A (en) * | 2018-05-10 | 2019-11-19 | 东涌实业股份有限公司 | The temperature control system of gas heater |
| CN111397205A (en) * | 2019-01-02 | 2020-07-10 | 芜湖美的厨卫电器制造有限公司 | Gas furnace control method and device and computer storage medium |
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| CN110671824A (en) * | 2019-09-20 | 2020-01-10 | 华帝股份有限公司 | Zero cold water control system and method |
| CN110940097A (en) * | 2019-12-16 | 2020-03-31 | 华帝股份有限公司 | Control method for self-adaptive starting ignition of gas water heater |
| CN111396979B (en) * | 2020-03-27 | 2021-07-13 | 广东万家乐燃气具有限公司 | Central hot water system and rapid preheating method thereof |
| CN111396979A (en) * | 2020-03-27 | 2020-07-10 | 广东万家乐燃气具有限公司 | Central hot water system and rapid preheating method thereof |
| CN113686012A (en) * | 2020-05-18 | 2021-11-23 | 广东水护盾健康科技有限公司 | Temperature control method of gas water heater and gas water heater system applying same |
| CN111795505A (en) * | 2020-06-01 | 2020-10-20 | 青岛经济技术开发区海尔热水器有限公司 | Preheating control method for gas water heater |
| CN111795505B (en) * | 2020-06-01 | 2022-07-19 | 青岛经济技术开发区海尔热水器有限公司 | Preheating control method for gas water heater |
| CN112460810A (en) * | 2020-10-26 | 2021-03-09 | 华帝股份有限公司 | Intelligent pressurization method for gas water heater and gas water heater using intelligent pressurization method |
| CN112460810B (en) * | 2020-10-26 | 2022-06-10 | 华帝股份有限公司 | Intelligent pressurization method for gas water heater and gas water heater using intelligent pressurization method |
| CN112556194A (en) * | 2020-11-23 | 2021-03-26 | 重庆海尔热水器有限公司 | Gas water heater control method, gas water heater and readable storage medium |
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| CN113154689A (en) * | 2020-12-01 | 2021-07-23 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
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| CN112651384A (en) * | 2021-01-15 | 2021-04-13 | 芜湖美的厨卫电器制造有限公司 | Method, device, storage medium and processor for zero-cold-water gas water heater |
| CN113007767A (en) * | 2021-03-26 | 2021-06-22 | 威能(无锡)供热设备有限公司 | Gas water heating equipment, preheating circulation control method thereof and readable storage medium |
| CN114234453A (en) * | 2021-09-26 | 2022-03-25 | 华帝股份有限公司 | Fluctuating temperature control method of gas water heater and gas water heater |
| CN114234453B (en) * | 2021-09-26 | 2023-03-07 | 华帝股份有限公司 | Fluctuating temperature control method of gas water heater and gas water heater |
| CN113847742A (en) * | 2021-10-27 | 2021-12-28 | 华帝股份有限公司 | Control method for low-noise operation of water heater |
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| WO2017133241A1 (en) | 2017-08-10 |
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