CN201297754Y - Water heater for controlling constant temperature of hybrid energy - Google Patents
Water heater for controlling constant temperature of hybrid energy Download PDFInfo
- Publication number
- CN201297754Y CN201297754Y CNU2008201606165U CN200820160616U CN201297754Y CN 201297754 Y CN201297754 Y CN 201297754Y CN U2008201606165 U CNU2008201606165 U CN U2008201606165U CN 200820160616 U CN200820160616 U CN 200820160616U CN 201297754 Y CN201297754 Y CN 201297754Y
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- heating part
- electrical heating
- combustion gas
- control circuit
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Abstract
The utility model relates to a water heater for controlling the constant temperature of hybrid energy, which belongs to the technical field of water heaters. The water heater comprises a fuel gas heating part, an electrical heating part and a control circuit, wherein, the control circuit includes an electric energy output control device, the electrical heating part comprises a water channel and an electrical heating device arranged in the water channel, the water channels of the fuel gas heating part and the electrical heating part form flow channels in series or in parallel connection, a temperature sensor is installed at the final water outlet of the flow channels, the output of the temperature sensor is connected with a signal input terminal of the control circuit, and the signal input terminal is connected with a controlled terminal of the electric energy output control device through the control circuit, and the output terminal of the electric energy output control device is connected with the electrical heating device. The temperature adjustment and control of the water heater is very sensitive and accurate, so that constant temperature of outlet water can be guaranteed efficiently.
Description
Technical field
The utility model relates to a kind of thermostatic control water heater, and especially a kind of mixed energy thermostatic control water heater belongs to technical field of water heaters.
Background technology
Constant temperature output hot water is the important control performance of gas heater.The factor that influences traditional gas heater hot water output temperature mainly contains gas quantity, discharge, air output etc.When carrying out output water temperature when regulation and control, for the consideration of safety and environmental protection, need take into account the coupling of gas quantity and blower fan air output simultaneously, thereby guarantee that combustion gas fully burns, so make the control of output water temperature become to take all factors into consideration multifactorial complex operations.As a result, it is relatively poor not only to regulate and control sensitivity, and attends to one thing and lose sight of another easily, is difficult to reach ideal control effect.In addition, in use also there is following shortcoming in existing gas heater: 1, in order to guarantee safety, when opening, all must start blower fan, igniting more earlier at every turn; And when closing, all must be flame-out earlier, stop blower fan again, therefore during frequent uses of the little water yield, the heating-up time is long, wastes water and combustion gas, allows the people feel inconvenient; at every turn All can send the sound of blower fan cleaning and igniting at every turn when 2, opening, make us feeling uneasy; 3, the control performer of proportioning valve and so on complex structure not only, and need carry out control by mechanical action exists water temperature moment to depart from " overshoot " phenomenon (referring to Fig. 1) of controlling value in performer action moment, and the people is not felt well.
Retrieval is found, application number is that 02226554.6 Chinese patent discloses a kind of adjustable thermostatic formula gas heater, these water heater characteristics are that a magnetic valve is installed on each gas nozzle of the main burner of water heater, the water temperature regulater of several different temperatures is installed on hot-water line, user's available water temperature regulator is set the temperature of water, thereby the quantity that the magnetic valve on the control main burner is opened, reach the purpose of constant water temperature, not only temperature control complexity of this technical scheme, and thermostatic control is a staged, can not accomplish accurate control, obviously can not eliminate the shortcoming of above-mentioned existence.
Application number is that 200620058136.9 Chinese patent discloses a kind of storage-type gas, the dual-purpose central heater of electricity, these central heater characteristics are that storage water heater electric heater and combustion heater are serially connected, the advantage that therefore can integrate water-storage electric heater and gas heater, it is very fast to go out hot water speed, can realize continuous heat supply, how not realize thermostatic control but relate to.
Application number is that 01206912.4 Chinese patent application " combustion gas fast constant temperature water heater " discloses a kind of combustion gas fast constant temperature water heater, wherein electric heating water storage thermostat is installed in a side of combustion gas constant-temperature hot water device, in the electric heating water storage thermostat water storage liner porous oral siphon is housed, this porous oral siphon is connected with combustion gas heat exchanger outlet pipe through connector, temperature sensor is installed in the connector, and temperature sensor is connected with intelligent controller through lead.It is introduced that this water heater is driven valve and just gone out hot water, the interrupted use do not have the water of scalding outflow, and water temperature is constant.But theory analysis and practice can prove and remain following weak point: 1, the porous oral siphon structure in the electric heater is complicated; 2, electric heater partly is a storage-type, therefore in fact still needs certain water temperature heat time heating time; 3, electric heating device is worked in the break-make mode, has thermal inertia, is difficult to keep the constant of water temperature; 4, cooling-water temperature sensor spare is arranged near the water inlet of electric heater, can't collect leaving water temperature accurately, influences water temperature control.
The utility model content
The purpose of this utility model is: at the shortcoming or the deficiency of above-mentioned prior art existence, a kind of mixed energy thermostatic control water heater that combustion gas heating and electrical heating are organically combined is proposed, thereby when the temperature control complexity, the response speed that overcome the gas heater existence wait shortcoming slowly, by becoming power electrical heating compensation combustion gas heating, realize the thermostatic control of output water temperature conscientiously.
In order to reach above purpose, mixed energy thermostatic control water heater of the present utility model comprises the combustion gas heating part, electrical heating part and control circuit, described control circuit contains electric energy o controller spare, described electrical heating part is made of water stream channel and the electric heating device that is placed in the water stream channel, the water stream channel of described combustion gas heating part and electrical heating part constitutes UNICOM's (serial or parallel connection) runner, temperature sensor is equipped with at the final outflow water mouth place of described runner, the output of described temperature sensor connects the signal input part of described control circuit, described signal input part connects the controlled end of electric energy o controller spare, the output termination electric heating device of described electric energy o controller spare by control circuit.
During work, mixed energy thermostatic control water heater of the present utility model mainly is heated to cold water near design temperature by the combustion gas heating part, relends to help the supplementary heating of electrical heating part, reaches design temperature.It is not only fast but also reliable to realize to electric heating device that by control circuit relative combustion gas adds thermal control, and because the compensation heating power of electric heating device is controlled according to the feedback of leaving water temperature sensor fully, especially current are heated by compensation in the dynamic process of electrical heating part of flowing through, therefore temperature adjusting is very sensitive, accurate, can effectively guarantee effluent temperature constancy.This shows, the utility model partly organically combines combustion gas heating part and electrical heating, can stepless continuous regulate because the electric energy of electrical heating part is exported, and reaction speed is fast, thoroughly eliminate " overshoot " phenomenon, therefore can realize accurate thermostatic control.In addition, compared with prior art, the utility model has also been obtained following remarkable result:
1. the relative combustion gas heating of electrical heating part simple structure need not complicated start-up routines such as blower fan work, igniting, has shortened start-up time, also need not clean, and can satisfy the demand of little water yield water under the situation of working independently rapidly, and is therefore flexible and convenient to use.
Electrical heating part as to the combustion gas heating part because external condition changes the compensation that leaving water temperature that (for example variation of hydraulic pressure, flow, gaseous-pressure) cause can not be constant, therefore compare with existing Instant heating type electric fast water heater, only need less compensation heating power.
3. because with respect to gas instantaneous water heater, can shorten the heating-up time when starting, and reach high efficiency in the short time during water, so can save the energy because of starting fast and reaching constant temperature.
4. on the original basis, increase effective water yield of water heater, can satisfy user demand better.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the hot water output temperature curve map of existing proportional valve control gas heater.
Fig. 2 is the control circuit schematic diagram of the utility model embodiment one.
Fig. 3 is the hot water output temperature curve map of the utility model embodiment one.
Fig. 4 is the structural representation of the utility model embodiment one.
Fig. 5 is the structural representation of the utility model embodiment two.
Fig. 6 is the structural representation of the utility model embodiment three.
Fig. 7 is the structural representation of the utility model embodiment four.
The specific embodiment
Embodiment one
Present embodiment as shown in Figure 4,1 is total water inlet among the figure, the 2nd, air valve, the 3rd, water flow sensing unit, the 4th, breather pipe, the 5th, combustion chamber, the 6th, igniter, the 7th, heat exchanger, the 8th, transformer, the 9th, exhaust fume collecting hood, the 10th, air inlet, the 11st, water supply connector, the 12nd, blower fan, the 13rd, total delivery port, the 14th, water out adapter, the 15th, temperature sensor, the 16th, water stream channel, the 17th, electrical heating wire (or electric heating tube), the 18th, control circuit, the 19th, gas and hot water outlet.This mixed energy thermostatic control water heater partly is in series by combustion gas heating part and electrical heating, wherein combustion gas heating part and existing gas heater are basic identical, the total water inlet 1 that connects cold water source is communicated with the heat exchanger 7 of combustion gas heating part by water flow sensing unit 3, the gas and hot water outlet 19 that is derived from heat exchanger is communicated with by the water supply connector 11 of pipeline with the electrical heating part, the electrical heating part is made of circuitous water stream channel in the housing 16 and the electrical heating wire (or electric heating tube) 17 that is placed in the water stream channel, water out adapter 14 places of electrical heating part are mounted with temperature sensor 15, and this water out adapter is drawn the total delivery port 13 of back as hot-water supply.In addition, also be provided with the electrical heating temperature sensor.In fact, the water stream channel of combustion gas heating part and electrical heating part has constituted the runner of connecting, and cold water is introduced into the combustion gas heating part and is heated to water temperature near design temperature, and compensation is heated to set water temperature in the process of the electrical heating part of flowing through again.
The control circuit of present embodiment constitutes after increasing the electrical heating control section on original gas heater control circuit basis of being made up of power circuit, water yield testing circuit, blower fan driving and testing circuit, valve control and holding circuit, firing circuit etc.The electrical heating control section comprises microprocessor, temperature sensing circuit and electrical heating power control circuit, and physical circuit as shown in Figure 2.Leaving water temperature sensor and original inflow temperature sensor are exported signal output part 29 and 30 pin that connect the MCU microprocessor respectively by socket CN9 and through the 0UT and the IN of temperature sensing circuit, this temperature sensing circuit also contains the temperature sensor RC3 that is arranged on the electrical heating wire place, and its output connects 26 pin of MCU microprocessor through HEAT output.The MCU microprocessor connect the two corresponding controlled ends that electric control end 5 pin and power control end 3 pin connect the electrical heating power control circuit respectively.The electric controlled end that connects of electrical heating power control circuit is succeeded electric apparatus coil K3 through the first driving triode Q32, and this relay contact of power end L-IN footpath connects the anode of controllable silicon BTA1.Power-controlled end is of coupled connections through the second control utmost point that drives triode Q22 and photoelectrical coupler M1 and controllable silicon BTA1.The negative electrode output of this controllable silicon BTA1 connects electrical heating wire through L-0UT.The electrical heating control section of this control circuit adopts and connects electricity and power mixing control, and is safe and reliable.
During work, by the combustion gas heating part water inlet is heated to below the design temperature earlier.Then, MCU compares leaving water temperature and the design temperature that detects, control electrical heating wire (or electric heating tube) electric after, accurately control its heating power, thereby partly compensate the poor of leaving water temperature and design temperature by electrical heating, and the maintenance constant temperature.
Fig. 3 is the hot water output temperature curve that records, and the call wire of bottom is the hot water temperature of combustion gas heating part output, has bigger transition fluctuation.The call wire on top is the heat outputting coolant-temperature gage after electrical heating partly compensates, and compared to Figure 1, has not only eliminated " overshoot " phenomenon fully, and temperature fluctuation range has realized desirable thermostatic control at 1 ℃.
Characteristics of present embodiment are, when the interim little water yield water of user, can only partly provide hot water by electrical heating, need not to start the combustion gas heating part, and are therefore very efficient and convenient.
Embodiment two
The mixed energy thermostatic control water heater of present embodiment as shown in Figure 5, different with embodiment one is that this mixed energy thermostatic control water heater partly is formed in parallel by combustion gas heating part and electrical heating.Wherein, the total water inlet 1 that connects cold water source is communicated with the heat exchanger 7 of combustion gas heating part by water flow sensing unit 3, also is communicated with by the water supply connector 11 of pipeline with the electrical heating part simultaneously; And the water out adapter 14 of the gas and hot water outlet 19 that is derived from heat exchanger and electrical heating part is connected to respectively and mixes water valve 20 (also can be other water admixing device), and the delivery port of this mixed water valve is as total delivery port 13 of hot-water supply, and is mounted with temperature sensor 15.
Its operation principle is not given unnecessary details in addition referring to embodiment one.
Embodiment three
The mixed energy thermostatic control water heater of present embodiment as shown in Figure 6, different with embodiment one is, though this mixed energy thermostatic control water heater partly is in series by combustion gas heating part and electrical heating, but the total water inlet 1 that connects cold water source is communicated with by the water supply connector 11 of pipeline with the electrical heating part earlier, the water out adapter of this electrical heating part is communicated with the heat exchanger 7 of combustion gas heating part by water flow sensing unit 3, the gas and hot water that is derived from heat exchanger exports 19 places and is mounted with temperature sensor 15, and this hot water outlet is as total delivery port 13 of hot-water supply.
During work, though by electrical heating part " compensation " in advance, by the combustion gas heating part water temperature is heated to design temperature again, but therefore electrically heated power can obtain the thermostatic control effect roughly the same with embodiment one still by the comparative result control of MCU according to leaving water temperature and design temperature.
Embodiment four
Present embodiment is the dual-purpose utensil of the wall-hanging hot water heating of a kind of energy mix thermostatic control, its basic structure and embodiment one are similar, as shown in Figure 7, main difference is, heating backwater import 1-2 is behind three water-through valve 1-3 and water circulating pump 1-4, connect the total water inlet 1 of hot gas heating part, the gas and hot water outlet 19 of combustion gas heating part is through the external heating pipeline of heating water outlet interface 19-1, thus the heating loop of formation outer circulation; Gas and hot water outlet simultaneously 19 also behind the runner through heat exchanger 20 in, connects another import of three water-through valve 1-3, thus the heat-exchanging loop that circulates in constituting.Domestic water import 1-1 then behind another runner of heat exchanger 20, connects the water supply connector 11 of electrical heating part, and the water out adapter 14 of electrical heating part is as total delivery port 13 of domestic water.Like this, domestic water is still the same with embodiment one, and combustion gas and electric heating device through connecting successively heat, and only the heating of combustion gas part is through twice heat exchange.Its thermostatic control operation principles etc. are identical with embodiment one, are not repeated in this description.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (7)
1. mixed energy thermostatic control water heater, comprise the combustion gas heating part, electrical heating part and control circuit, it is characterized in that: described control circuit contains electric energy o controller spare, described electrical heating part is made of water stream channel and the electric heating device that is placed in the water stream channel, the water stream channel of described combustion gas heating part and electrical heating part constitutes UNICOM's runner, temperature sensor is equipped with at the final outflow water mouth place of described runner, the output of described temperature sensor connects the signal input part of described control circuit, described signal input part connects the controlled end of electric energy o controller spare, the output termination electric heating device of described electric energy o controller spare by control circuit.
2. mixed energy thermostatic control water heater according to claim 1, it is characterized in that: described combustion gas heating part and electrical heating are partly connected, total water inlet is communicated with the heat exchanger of combustion gas heating part, the gas and hot water outlet that is derived from combustion gas heating part heat exchanger is communicated with by the water supply connector of pipeline with the electrical heating part, the water out adapter place of described electrical heating part is mounted with temperature sensor, and described water out adapter is as total delivery port.
3. mixed energy thermostatic control water heater according to claim 1, it is characterized in that: described combustion gas heating part and electrical heating part are in parallel, the total water inlet that connects cold water source is communicated with the heat exchanger of combustion gas heating part, also is communicated with the water supply connector of electrical heating part simultaneously; The gas and hot water outlet that is derived from heat exchanger is connected to water admixing device respectively with electrical heating water out adapter partly, and the delivery port of described water admixing device is mounted with temperature sensor, and as total delivery port.
4. mixed energy thermostatic control water heater according to claim 1, it is characterized in that: described combustion gas heating part and electrical heating are partly connected, total water inlet is communicated with the water supply connector of electrical heating part, the water out adapter of described electrical heating part is communicated with the heat exchanger of combustion gas heating part, the gas and hot water exit that is derived from described heat exchanger is mounted with temperature sensor, and described hot water outlet is as total delivery port.
5. mixed energy thermostatic control water heater according to claim 2, it is characterized in that: also contain heating loop, wherein the import of heating backwater is behind three water-through valves and water circulating pump, connect the total water inlet of described hot gas heating part, described gas and hot water outlet constitutes the heating loop of outer circulation through the external heating pipeline of heating water outlet interface; Also described another import that connects three water-through valves behind the runner in heat exchanger of described gas and hot water outlet, the heat-exchanging loop of circulation in constituting; The domestic water import connects the water supply connector of described electrical heating part behind another runner of described heat exchanger, the water out adapter of described electrical heating part is as total delivery port of domestic water.
6. according to claim 2,3 or 4 described mixed energy thermostatic control water heaters, it is characterized in that: described electrical heating part is made of the circuitous water stream channel in the housing and the electrical heating wire or the electric heating tube that are placed in the water stream channel.
7. mixed energy thermostatic control water heater according to claim 6, it is characterized in that: described control circuit comprises microprocessor, temperature sensing circuit and electrical heating power control circuit, described temperature sensor connects the signal output part of described microprocessor through temperature sensing circuit, described microprocessor connect the electric control end and the power control end connects electric controlled end of connecing of electrical heating power control circuit and power-controlled end respectively; Describedly connect electric controlled end and succeed electric apparatus coil through driving element, the described relay contact in power end footpath connects the silicon controlled anode, described power-controlled end is of coupled connections through second driving element and photoelectrical coupler and the described silicon controlled control utmost point, and described silicon controlled negative electrode output connects described electrical heating wire.
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CNU2008201606165U CN201297754Y (en) | 2008-10-07 | 2008-10-07 | Water heater for controlling constant temperature of hybrid energy |
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CNU2008201606165U CN201297754Y (en) | 2008-10-07 | 2008-10-07 | Water heater for controlling constant temperature of hybrid energy |
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Cited By (10)
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CN102620427A (en) * | 2011-01-26 | 2012-08-01 | 刘运柳 | Electric water heater and solar or air energy water heater water tank structure with water pump |
CN102840659A (en) * | 2012-10-02 | 2012-12-26 | 柳州市京阳节能科技研发有限公司 | Gas-electricity quick heating energy-saving water boiler |
CN102853530A (en) * | 2012-09-10 | 2013-01-02 | 柳州市京阳节能科技研发有限公司 | Automatic pneumoelectric instant heating shower device |
CN104197529A (en) * | 2014-09-26 | 2014-12-10 | 常熟建工建设集团有限公司苏州分公司 | Novel water heater controller |
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CN108061374A (en) * | 2017-07-26 | 2018-05-22 | 宁波方太厨具有限公司 | Direct drinking and dual-purpose gas constant-temp. water heater of taking a shower |
CN110355918A (en) * | 2018-04-10 | 2019-10-22 | 保定市巨龙微波能设备有限公司 | One kind is for heating device in rubber strip vulcanizing equipment |
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- 2008-10-07 CN CNU2008201606165U patent/CN201297754Y/en not_active Expired - Lifetime
Cited By (16)
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CN102620427A (en) * | 2011-01-26 | 2012-08-01 | 刘运柳 | Electric water heater and solar or air energy water heater water tank structure with water pump |
CN102853530A (en) * | 2012-09-10 | 2013-01-02 | 柳州市京阳节能科技研发有限公司 | Automatic pneumoelectric instant heating shower device |
CN102853530B (en) * | 2012-09-10 | 2015-02-18 | 柳州市京阳节能科技研发有限公司 | Automatic pneumoelectric instant heating shower device |
CN102840659A (en) * | 2012-10-02 | 2012-12-26 | 柳州市京阳节能科技研发有限公司 | Gas-electricity quick heating energy-saving water boiler |
CN104197529A (en) * | 2014-09-26 | 2014-12-10 | 常熟建工建设集团有限公司苏州分公司 | Novel water heater controller |
CN107238207A (en) * | 2016-03-28 | 2017-10-10 | 青岛经济技术开发区海尔热水器有限公司 | The control method and gas heater of a kind of gas heater |
CN107238207B (en) * | 2016-03-28 | 2021-01-05 | 青岛经济技术开发区海尔热水器有限公司 | Control method of gas water heater and gas water heater |
CN108061374A (en) * | 2017-07-26 | 2018-05-22 | 宁波方太厨具有限公司 | Direct drinking and dual-purpose gas constant-temp. water heater of taking a shower |
CN108061374B (en) * | 2017-07-26 | 2023-11-21 | 宁波方太厨具有限公司 | Dual-purpose gas constant temperature water heater for direct drinking water and bath |
CN110355918A (en) * | 2018-04-10 | 2019-10-22 | 保定市巨龙微波能设备有限公司 | One kind is for heating device in rubber strip vulcanizing equipment |
CN112254332B (en) * | 2019-07-22 | 2023-05-09 | 芜湖美的厨卫电器制造有限公司 | Water heater, control method thereof and computer readable storage medium |
CN112254332A (en) * | 2019-07-22 | 2021-01-22 | 芜湖美的厨卫电器制造有限公司 | Water heater, control method thereof and computer-readable storage medium |
CN111457598A (en) * | 2020-04-08 | 2020-07-28 | 华帝股份有限公司 | Electric water heater and control method thereof |
CN113188256B (en) * | 2020-12-01 | 2022-11-15 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
CN113188256A (en) * | 2020-12-01 | 2021-07-30 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
CN113154691A (en) * | 2020-12-01 | 2021-07-23 | 重庆海尔热水器有限公司 | Gas water heater and control method thereof |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20090826 Effective date of abandoning: 20081007 |