CN102313315A - Automatically-heated gas water heater with auxiliary solar-energy heat supply - Google Patents
Automatically-heated gas water heater with auxiliary solar-energy heat supply Download PDFInfo
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- CN102313315A CN102313315A CN2010102188483A CN201010218848A CN102313315A CN 102313315 A CN102313315 A CN 102313315A CN 2010102188483 A CN2010102188483 A CN 2010102188483A CN 201010218848 A CN201010218848 A CN 201010218848A CN 102313315 A CN102313315 A CN 102313315A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The invention relates to an automatically-heated gas water heater with auxiliary solar-energy heat supply, which is provided with a basic structure of an ordinary gas water heater and also comprises a constant-temperature water-mixing valve and a water-temperature sensor. The three-way constant-temperature water-mixing valve is installed at a water inlet, so that the temperature of water flowing into the water inlet can not exceed a preset temperature Tin; the water-temperature sensor is close to the water inlet, is electrically connected with a control circuit and is used for converting the flowing-water temperature into an electrical signal at any time and transmitting the electrical signal to the control circuit; and the control circuit is used for judging whether the flowing-water temperature is lower than an ignition temperature Tref 1 or higher than a fire-closing temperature Tref 2 or not so as to control whether reheating or heating stop needs to be carried out for a water flow flowing through the inner part of a heat exchanger or not through an igniter. The automatically-heated gas water heater has the beneficial effects that: the water flowing out of a solar water heater and the like can be heated for the second time by utilizing a temperature-control technology, and the heating is stopped when the water temperature is suitable, thereby not only is the requirement of a user for the suitability of the water temperature is met, but also renewable resources are effectively utilized, and potential safety hazards caused by the overhigh water temperature are effectively prevented.
Description
Technical field the present invention relates to the domestic hot-water supply system, but relates in particular to the automatic heating gas water heater of assisted solar heat supply.
The solar water heater of background technology prior art in use; Because morning and evening and changes of seasons; Solar water heater can't guarantee in 24 hours every days, to provide the hot water of the enough heat of capacity; Perhaps can't satisfy many person-times and use continuously or simultaneously, particularly water heater hot-water temperature does not reach customer requirements at night or during winter.For example, solar water heater was heated to for 60 ends Celsius with one case water of 20 degrees centigrade and needs more than 2 hours at least during winter.Existing household electrical type solar water heater is in order to solve the not enough problem of water temperature in the water-heater water tank when sunshine is inadequate; Simultaneously also for guaranteeing that the water in the water tank remains on uniform temperature; The general electric energy that adopts repeats heating for multiple times to the water in the water tank; To keep water in the water tank in uniform temperature, heating will certainly cause the non-renewable resources waste of electric energy so over and over again.
In addition, if floor that the user lives is too high, for the user of low layer; Go out between the hot water valve a large amount of cold water of contain in the pipeline in its solar water heater and the family; The user needs elder generation's ducted cold water of release just hot water can be arranged in use, and is also inconvenient when both having caused waste to use.
Though the gas-type water heater of prior art can promptly use by instant-heating; And many person-times of having solved that solar water heater the exists not enough problem of water temperature when using continuously or simultaneously; But can't utilize renewable solar energy source that the running water heating is stored in the water tank as solar water heater, reduce the use of non-renewable resources.
In addition, prior art water heater hot-water outlet adopts simple cold/hot water mixed traffic control water valve, and the user can't accurately regulate the use water temperature safely, and is improper like temperature adjusting, causes the scald of hot water to human body easily.
Chinese patent ZL200820012263.3 " solar energy, combustion gas, electricity mutual complementation combined type supplying apparatus " by name and ZL200520020577.5 " solar energy and electric energy combination heating plant " by name are to think that the room heating is the device of purpose, can not provide water temperature suitable shower water to the user.
Design the gas heater of producing a kind of assisted solar heat supply but the technical problem that summary of the invention the present invention will solve is to avoid the weak point of above-mentioned prior art, solve prior art and can the water heater temperature cross problem low and very much for keeping the water temperature repeated heating to cause non-renewable resources to waste.
The present invention solves the problems of the technologies described above the technical scheme that proposes to be, proposes a kind of method with the heat supply of gas heater assisted solar, comprises the steps:
A. in the water inlet of said gas heater constant-temperature water mixing valve is set, its two oral siphon flows into cold water respectively and through the hot water of solar temperature rising, and makes the water temperature that flows into said water inlet be less than or equal to the inlet water temperature T of setting forever
In
When the current that B. flow into water inlet are flowed through water-gas interstage valve, cause the water-control switch closing of contact of interlock with it, battery is supplied power to control circuit then in the battery case.
C. the cooling-water temperature sensor that is arranged on said water inlet pipe place converts this place's water temperature of perception to the signal of telecommunication and sends control circuit to: set the igniting temperature T if water temperature is lower than
Ref1The time, the pulse of control circuit drive pulse igniter assembly output HIGH voltage encourages magnetic valve to open gas circuit simultaneously, and combustion gas gets into burner and is ignited, after being heated when heat exchanger, current flow out by delivery port, and implementation step E.
D. if the water temperature of water inlet is higher than the firing temperature T of said setting
Ref1, the not conduct of said control circuit does not have high voltage pulse, does not encourage magnetic valve yet, does not have combustion gas to get into burner, and water is just flowed through heat exchanger (19) and is not heated, then implementation step F.
The water temperature of the continuous perception of E. said cooling-water temperature sensor water inlet is as long as be lower than the fiery temperature T of closing of setting
Ref2, said control circuit is promptly kept the magnetic valve excitation, keeps burner to burn away; Water temperature when the water inlet is greater than or equal to the fiery temperature T of closing of setting
Ref2The time, said control circuit makes magnetic valve lose and encourages, and closes the air inlet pipeline of burner, and burner is satisfied burn-out.
As long as F. current are arranged through water-gas interstage valve; Repeated execution of steps C, D and E; In case delivery port or water inlet are closed, the no current water-gas interstage valve of flowing through, the contact of the water-control switch S1 of interlock is promptly broken off with it; Battery in the battery case stops power supply to control circuit, and gas heater is no longer worked.
In that " pulse of control circuit drive pulse igniter assembly output HIGH voltage encourages magnetic valve simultaneously described in the step C.Open gas circuit, combustion gas gets into burner.Also comprised the steps: by ignition in hydriding
C1. the flame detection circuit of said control circuit detects through the flame inductive needle P3 that it is positioned on the burner whether the flame existence is arranged, if flame is arranged, and the igniting of control circuit not drive pulse point device assembly; If there is not flame, the pulse firing of pulse point device assembly output HIGH voltage;
C2. behind 0.5 ± 0.1 second after the igniting, control circuit excitation magnetic valve is opened gas circuit, and combustion gas gets into burner through water-gas interstage valve and ignited.
In said step e, also comprise step: another cooling-water temperature sensor of said control circuit is the also water temperature at continuous perception heat exchanger delivery port place of temperature detect switch (TDS) S2, if this place's water temperature is higher than the overtemperature protection temperature T
Ex, control circuit makes magnetic valve lose and encourages, and closes gas circuit, the burner burn-out, and the person is scalded to avoid benefiting from hot water.
Said water-gas interstage valve is its hydraulic valve of flowing water pressure startup with this water of through-flow mistake-gas interstage valve; Or with the flowing water buoyancy starting hydraulic valve of the water of flowing through-gas interstage valve.
In the method for the invention, the fiery temperature T of fixing a point
Ref1＜close fiery temperature T
Ref2＜inlet water temperature T
In
The present invention also provides a kind of scheme to be for solving the problems of the technologies described above; But a kind of gas heater of automatic heating of assisted solar heat supply is provided; The basic structure that the general gas water heater is arranged comprises flue, battery case, water inlet, air inlet and magnetic valve, pulse igniter assembly and control circuit, burner, water-gas interstage valve and the heat exchanger of housing and Qi Nei and final outflow water mouth; Especially, also comprise constant-temperature water mixing valve and cooling-water temperature sensor.
The constant-temperature water mixing valve of threeway is equipped with in said water inlet; Two water inlets of this constant-temperature water mixing valve; One links with hot-water line from said solar water heater; The cold water pipe of another and outside cooling water links, and two-way supplies water behind constant-temperature water mixing valve, and the water temperature that flows into water inlet can not surpass design temperature T
In
The adjacent water inlet of said cooling-water temperature sensor, this cooling-water temperature sensor is electrically connected with control circuit, at any time water inlet flowing water temperature transition is become the signal of telecommunication, sends control circuit to.
The signal of telecommunication that said control circuit transmits according to this cooling-water temperature sensor judges whether the flowing water temperature is lower than firing temperature T
Ref1Or be higher than and close fiery temperature T
Ref2Thereby, control said burner and whether need heat or stop heating to the current that flow through in the heat exchanger again.
Said control circuit comprises governor circuit, power control circuit, firing circuit, flame detection circuit, magnetic valve suction moving circuit, magnetic valve holding circuit and temperature sensing circuit.
Said power control circuit, firing circuit, flame detection circuit, magnetic valve are inhaled moving circuit, magnetic valve holding circuit and temperature sensing circuit and are electrically connected to respectively on the said governor circuit; Said flame detection circuit and firing circuit electrically connect.
Temperature sensor is converted into voltage signal with its physical change that produces in different water temperatures and sends said governor circuit in the said temperature sensing circuit; When this governor circuit judges that water temperature does not exceed firing temperature T
Ref1, simultaneously flame detection circuit feedback burner does not have flame, governor circuit is trigger point ignition circuit igniting, and in after igniting 0.5 ± 0.1 second, said magnetic valve is inhaled moving circuit excitation magnetic valve and inhaled valve, combustion gas gets in the burner through water-gas interstage valve burns; If flame detection circuit feedback burner has flame, then send and keep signal and make magnetic valve holding circuit excitation magnetic valve keep inhaling the valve state, get into said burner internal combustion to protect true combustion gas.
In the burner combustion process, whether the current temperature that temperature detection signal can detect water inlet constantly is higher than is closed fiery temperature T
Ref2, and feed back in the governor circuit, judge whether to need to continue or stop heating with this.
Another cooling-water temperature sensor of adjacent said heat exchanger delivery port is temperature detect switch (TDS) S2, and the break contact of this temperature detect switch (TDS) S2 is connected electrically in the said magnetic valve holding circuit, and no matter whether burner burns, when the water temperature of delivery port surpasses the overtemperature protection temperature T
ExThe time, the break contact of temperature detect switch (TDS) S1 just separates, and magnetic valve is lost encourage, and combustion gas can't get in the burner, and burner is that burn-out maybe can not be burnt.
In water heater of the present invention, the fiery temperature T of fixing a point
Ref1＜close fiery temperature T
Ref2＜inlet water temperature T
In
The cooling-water temperature sensor of said temperature sensing circuit adopts thermistor, and the variation of its terminal voltage is delivered in the said governor circuit and judged water temperature.
The hot water that gets into the water inlet of described constant-temperature water mixing valve also comprises the hot water that is otherwise obtained and can be utilized again by underground heat, boiler etc.
Compare with prior art; The invention has the beneficial effects as follows: water heater of the present invention combines the hot water of traditional solar water heater, underground heat or boiler to use, and does not meet under the situation of user's instructions for use in said hot water water temperature, utilizes the water that temperature control technology flows out solar water heater to carry out the heating second time; And when water temperature is suitable, stop to heat; Both satisfied the requirement of user to the water temperature suitability degree, effective utilization resource more again, and save the use of non-renewable resources such as combustion gas; Simultaneously,, make water temperature be no more than limiting temperature, effectively prevent the potential safety hazard that causes owing to water temperature is too high by solar water heater inflow gas heater owing to use constant-temperature water mixing valve.
But description of drawings Fig. 1 is the structural representation of the automatic heating gas water heater preferred embodiment of the present invention's assisted solar heat supply;
Fig. 2 is the workflow sketch map of the water heater of said water heater preferred embodiment;
Fig. 3 is the logic diagram of the control circuit 9 of said water heater;
Fig. 4 is the circuit theory sketch map of the control circuit 9 of said water heater;
Fig. 5 is the workflow sketch map of the control circuit 9 of said water heater.
Below the specific embodiment, further set forth the present invention in conjunction with the preferred embodiment shown in the accompanying drawing.
Referring to Fig. 1 to 5, preferred enforcement of the present invention is, proposes a kind of method with the heat supply of gas heater assisted solar, comprises the steps:
A. at water inlet 12 places of said gas heater constant-temperature water mixing valve 121 is set, its two oral siphon 1211,1212 flows into cold water respectively and through the hot water of solar temperature rising, and makes the water temperature that flows into said water inlet 12 be less than or equal to the inlet water temperature T of setting forever
In
When the current that B. flow into water inlet 12 are flowed through water-gas interstage valve 18, cause the water-control switch S1 closing of contact of interlock with it, batteries are satisfied to control circuit 9 power supplies in the battery case 11.
C. the cooling-water temperature sensor 971 that is arranged on said water inlet pipe 12 places converts this place's water temperature of perception to the signal of telecommunication and sends control circuit 9 to: set the igniting temperature T if water temperature is lower than
Ref1The time, the 16 output HIGH voltage pulses of control circuit 9 drive pulse igniter assemblies encourage magnetic valve 14 to open gas circuit simultaneously, and combustion gas gets into burner 17 and is ignited, after being heated when heat exchanger 19, current flow out by delivery port 151, and implementation step E.
D. if the water temperature at water inlet 12 places is higher than the firing temperature T of said setting
Ref1, said control circuit 9 not conducts do not have high voltage pulse, do not encourage magnetic valve 14 yet, do not have combustion gas to get into burner 17, and water is just flowed through heat exchanger 19 and is not heated, then implementation step F.
The water temperature at E. said cooling-water temperature sensor 971 continuous perception water inlets 12 places is as long as be lower than the fiery temperature T of closing of setting
Ref2, said control circuit 9 is promptly kept magnetic valve 14 excitations, keeps burner 17 to burn away; Water temperature when water inlet 12 places is greater than or equal to the fiery temperature T of closing of setting
Ref2The time, said control circuit 9 makes magnetic valve 14 lose and encourages, and closes the air inlet pipeline of burner 17, and burner 17 is satisfied burn-out.
As long as F. current are arranged through water-gas interstage valve 18; Repeated execution of steps C, D and E; In case delivery port 15 or water inlet 12 are closed, the no current water-gas interstage valve 18 of flowing through, the contact of the water-control switch S1 of interlock is promptly broken off with it; Battery in the battery case 11 stops power supply to control circuit 9, and gas heater is no longer worked.
" the 16 output HIGH voltage pulses of control circuit 9 drive pulse igniter assemblies encourage magnetic valve 14 to open gas circuit simultaneously, and combustion gas gets into burner 17 and also comprised the steps: by ignition in hydriding described in the step C
The flame detection circuit 94 of C1. said control circuit 9 detects through the flame inductive needle P3 that it is positioned on the burner 17 whether the flame existence is arranged, if flame is arranged, and 16 igniting of control circuit 9 not drive pulse point device assemblies; If there is not flame, the 16 output HIGH voltage pulse firings of pulse point device assembly;
C2. behind 0.5 ± 0.1 second after the igniting, control circuit 9 excitation magnetic valves 14 are opened gas circuit, and combustion gas gets into burner 17 and ignited through water-gas interstage valve 18.
In the said step e, also comprise step: another cooling-water temperature sensor 961 of said control circuit is the also water temperature at continuous perception heat exchanger 19 delivery ports 191 places of temperature detect switch (TDS) S2, if this place's water temperature is higher than the overtemperature protection temperature T
Ex, control circuit 96 makes magnetic valve 14 lose and encourages, and closes gas circuit, and burner 17 brennschluss are burnt, and the person is scalded to avoid benefiting from hot water.
Said water-gas interstage valve 18 is its hydraulic valves of flowing water pressure startup with this water of through-flow mistake-gas interstage valve 18; Or with the flowing water buoyancy starting hydraulic valve of this water-gas interstage valve 18 of flowing through.
In this example, the fiery temperature T of fixing a point
Ref1＜close fiery temperature T
Ref2＜inlet water temperature T
In
Another preferred embodiment of the present invention is; But a kind of automatic heating gas water heater of assisted solar heat supply is provided; The basic structure that the general gas water heater is arranged comprises flue 10, battery case 11, water inlet 12, air inlet 13 and magnetic valve 14, pulse igniter assembly 16 and control circuit 9, burner 17, water-gas interstage valve 18 and the heat exchanger 19 of housing 1 and Qi Nei and final outflow water mouth 15; Particularly, also comprise constant-temperature water mixing valve 121 and cooling-water temperature sensor 971.
The constant-temperature water mixing valve 121 of threeway is equipped with at said water inlet 12 places; Two water inlets 1211,1212 of this constant-temperature water mixing valve 121; One links with hot-water line from said solar water heater; The cold water pipe of another and outside cooling water links, and two-way supplies water behind constant-temperature water mixing valve 121, and the water temperature that flows into water inlet 12 can not surpass design temperature T
In
Said cooling-water temperature sensor 971 adjacent water inlets 12, this cooling-water temperature sensor 971 is electrically connected with control circuit 9, at any time water inlet 12 place's flowing water temperature transition is become the signal of telecommunication, sends control circuit 9 to.
The signal of telecommunication that said control circuit 9 transmits according to this cooling-water temperature sensor 971 judges whether the flowing water temperature is lower than firing temperature T
Ref1Or be higher than and close fiery temperature T
Ref2Thereby, control said burner 17 and whether need heat or stop heating to the current that flow through in the heat exchanger 19 again.
Said control circuit 9 comprises governor circuit 90, power control circuit 91, firing circuit 92, flame detection circuit 94, magnetic valve suction moving circuit 95, magnetic valve holding circuit 96 and temperature sensing circuit 97.
Said power control circuit 91, firing circuit 92, flame detection circuit 94, magnetic valve are inhaled moving circuit 95, magnetic valve holding circuit 96 and temperature sensing circuit 97 and are electrically connected to respectively on the said governor circuit 91; Said flame detection circuit 94 electrically connects with firing circuit 92.
In burner 17 combustion processes, whether the current temperature that temperature detection signal 97 can detect water inlet 12 constantly is higher than is closed fiery temperature T
Ref2, and feed back in the governor circuit 90, judge whether to need to continue or stop heating with this.
Another cooling-water temperature sensor 961 of adjacent said heat exchanger 19 delivery ports 191 is temperature detect switch (TDS) S2; The break contact of this temperature detect switch (TDS) S2 is connected electrically in the said magnetic valve holding circuit 96; No matter whether burner 17 burns, when the water temperature of delivery port 191 surpasses the overtemperature protection temperature T
ExThe time, the break contact of temperature detect switch (TDS) S1 just separates, and magnetic valve 14 is lost encourage, and combustion gas can't get in the burner 17, and burner 17 is that burn-out maybe can not be burnt.
In this instance, the fiery temperature T of fixing a point
Ref1＜close fiery temperature T
Ref2＜inlet water temperature T
In
The cooling-water temperature sensor 971 of said temperature sensing circuit 97 adopts thermistor, and the variation of its terminal voltage is delivered in the said governor circuit 90 and judged water temperature.
With reference to figure 4, the groundwork step of this enforcement control circuit is:
A) the said water-control switch S1 closure that when water flows through water-gas interstage valve 18, triggers, integrated circuit U2 is logical.
B) temperature sensing circuit 97 that first pin of integrated circuit U2 connected after VCC supplied power also is the water temperature of 50K thermistor induction water inlet 12 promptly through temperature inductor, as the temperature of intaking is higher than the fiery temperature T of closing of integrated circuit U1 setting
Ref2, control circuit 9 not conducts.
C) water temperature like water inlet 12 places is lower than the firing temperature T that integrated circuit U1 sets
Ref1, flame detection circuit 94 inductive needle P3 can detect burner 17 and whether have flame, as have detected flame existence, control circuit 9 not conducts.
D) if the P3 pin detects less than flame to be existed, governor circuit 90 trigger point ignition circuits 92 are through P1, P2 igniting.
E) 0.5S after the igniting, magnetic valve inhale moving circuit 95 makes electromagnetism be in high-end trim through electromagnet in the moving intake valve of big electric current suction, and combustion gas gets into burning in the burners 17 through water-gas interstage valve 18.
F) simultaneously the inductive needle P3 of flame detection circuit 94 can detect burner 17 and whether has flame; As detected flame and existed; Firing circuit 92 stops igniting, and simultaneously magnetic valve holding circuit 96 makes in the intake valve electromagnet maintain high-end trim through less electric current to make the gas energy source constantly get into burning in the burner 17.
G) in burner 17 combustion processes,, the meeting of flame detection circuit 94 and temperature sensing circuit 97 judges that determining whether stopping water heater heating thereby detecting the water temperature whether flame existence and water inlet are arranged constantly.
H) in the burner combustion process; If the temperature of delivery port 191 that temperature detect switch (TDS) S2 detects heat exchanger 19 is during greater than 80 degrees centigrade of overtemperature protection temperature, switch contact breaks off, and magnetic valve 14 falls into low level; Combustion gas can't get in water-gas interstage valve 18, and water heater quits work.
Main electronic devices and components are as shown in the table in the present embodiment:
In the above preferred embodiment, the hot water that gets into the water inlet 1212 of said constant-temperature water mixing valve 121 also comprises the hot water that is otherwise obtained and can be utilized again by underground heat, boiler etc.; The fiery temperature T of said fixed point
Ref1, close fiery temperature T
Ref2With inlet water temperature T
InBe respectively: 42 ℃, 45 ℃ and 48 ℃.
Claims (10)
1. with the method for gas heater assisted solar heat supply, it is characterized in that comprising the steps:
A. locate to be provided with constant-temperature water mixing valve (121) at the water inlet (12) of said gas heater; Its two oral siphon (1211,1212) flows into cold water respectively and through the hot water of solar temperature rising, and makes the water temperature that flows into said water inlet (12) be less than or equal to the inlet water temperature T of setting forever
In
When the current that B. flow into water inlet (12) are flowed through water-gas interstage valve (18), cause water-control switch (S1) closing of contact of interlock with it, the interior battery of battery case (11) is supplied power to control circuit (9) then;
C. being arranged on cooling-water temperature sensor (971) that said water inlet pipe (12) locates converts this place's water temperature of perception to the signal of telecommunication and sends control circuit (9) to: set the igniting temperature T if water temperature is lower than
Ref1The time; Control circuit (9) drive pulse igniter assembly (16) output HIGH voltage pulse encourages magnetic valve (14) to open gas circuit simultaneously, and combustion gas gets into burner (17) and ignited; After being heated when heat exchanger (19), current flow out by delivery port (151), and implementation step E;
D. if the water temperature that water inlet (12) is located is higher than the firing temperature T of said setting
Ref1, not conduct of said control circuit (9) does not have high voltage pulse, does not encourage magnetic valve (14) yet, does not have combustion gas to get into burner (17), and water is just flowed through heat exchanger (19) and is not heated, then implementation step F;
E. the water temperature that the continuous perception water inlet (12) of said cooling-water temperature sensor (971) is located is as long as be lower than the fiery temperature T of closing of setting
Ref2, said control circuit (9) is promptly kept magnetic valve (14) excitation, keeps burner (17) to burn away; The water temperature of locating when water inlet (12) is greater than or equal to the fiery temperature T of closing of setting
Ref2The time, said control circuit (9) makes magnetic valve (14) lose and encourages, and closes the air inlet pipeline of burner (17), and burner (17) is satisfied burn-out;
As long as F. current are arranged through water-gas interstage valve (18); Repeated execution of steps C, D and E; In case delivery port (15) or water inlet (12) are closed, the no current water-gas interstage valve (18) of flowing through, the contact of the water-control switch (S1) of interlock is promptly broken off with it; Battery in the battery case (11) stops power supply to control circuit (9), and gas heater is no longer worked.
2. according to the described method of claim 1, it is characterized in that with the heat supply of gas heater assisted solar:
" control circuit (9) drive pulse igniter assembly (16) output HIGH voltage pulse encourages magnetic valve (14) to open gas circuit simultaneously, and combustion gas gets into burner (17) and also comprised the steps: by ignition in hydriding described in the step C
The flame detection circuit (94) of C1. said control circuit (9) detects through the flame inductive needle (P3) that it is positioned on the burner (17) whether the flame existence is arranged, if flame is arranged, and control circuit (9) not drive pulse point device assembly (16) igniting; If there is not flame, pulse point device assembly (16) output HIGH voltage pulse firing;
C2. behind 0.5 ± 0.1 second after the igniting, control circuit (9) excitation magnetic valve (14) is opened gas circuit, and combustion gas gets into burner (17) through water-gas interstage valve (18) and ignited.
3. according to the described method of claim 1, it is characterized in that with the heat supply of gas heater assisted solar:
In the said step e, also comprise step: another cooling-water temperature sensor (961) of said control circuit (9) is the water temperature that also continuous perception heat exchanger (19) delivery port (191) of temperature detect switch (TDS) S2 is located, if this place's water temperature is higher than the overtemperature protection temperature T
Ex, control circuit (9) makes magnetic valve (14) lose and encourages, and closes gas circuit, and burner (17) brennschluss is burnt, and the person is scalded to avoid benefiting from hot water.
4. according to the described method of claim 1, it is characterized in that with the heat supply of gas heater assisted solar:
Said water-gas interstage valve (18) is its hydraulic valve of flowing water pressure startup with this water of through-flow mistake-gas interstage valve (18); Or with the flowing water buoyancy starting hydraulic valve of the water of flowing through-gas interstage valve (18).
5. according to claim 1 or 3 described methods, it is characterized in that with the heat supply of gas heater assisted solar:
The fiery temperature T of fixing a point
Ref1＜close fiery temperature T
Ref2＜inlet water temperature T
In
6. but the automatic heating gas water heater of an assisted solar heat supply; The basic structure that the general gas water heater is arranged; Comprise housing (1) and flue (10), battery case (11), water inlet (12), air inlet (13) and magnetic valve (14), pulse igniter assembly (16) and control circuit (9), burner (17), water-gas interstage valve (18) and heat exchanger (19) in it; And final outflow water mouth (15), it is characterized in that:
Also comprise constant-temperature water mixing valve (121) and cooling-water temperature sensor (971);
Said water inlet (12) locates to be equipped with the constant-temperature water mixing valve (121) of threeway; Two water inlets (1211,1212) of this constant-temperature water mixing valve (121); One links with hot-water line from said solar water heater; The cold water pipe of another and outside cooling water links, and two-way supplies water behind constant-temperature water mixing valve (121), and the water temperature that flows into water inlet (12) can not surpass design temperature T
In
The adjacent water inlet of said cooling-water temperature sensor (971) (12), this cooling-water temperature sensor (971) is electrically connected with control circuit (9), at any time water inlet (12) is located the flowing water temperature transition and becomes the signal of telecommunication, sends control circuit (9) to;
The signal of telecommunication that said control circuit (9) transmits according to this cooling-water temperature sensor (971) judges whether the flowing water temperature is lower than firing temperature T
Ref1Or be higher than and close fiery temperature T
Ref2Thereby, control said burner (17) and whether need heat or stop heating to the current that flow through in the heat exchanger (19) again.
7. but according to the automatic heating gas water heater of the described assisted solar heat supply of claim 6, it is characterized in that:
Said control circuit (9) comprises governor circuit (90), power control circuit (91), firing circuit (92), flame detection circuit (94), magnetic valve suction moving circuit (95), magnetic valve holding circuit (96) and temperature sensing circuit (97);
Said power control circuit (91), firing circuit (92), flame detection circuit (94), magnetic valve are inhaled moving circuit (95), magnetic valve holding circuit (96) and temperature sensing circuit (97) and are electrically connected to respectively on the said governor circuit (91); Said flame detection circuit (94) electrically connects with firing circuit (92);
Temperature sensor (971) is converted into voltage signal with its physical change that produces in different water temperatures and sends said governor circuit (90) in the said temperature sensing circuit (97); When this governor circuit (90) judges that water temperature does not exceed firing temperature T
Ref1, the no flame of flame detection circuit (94) feedback burner (17) simultaneously; Governor circuit (9) is trigger point ignition circuit (92) igniting; And in after igniting 0.5 ± 0.1 second; Said magnetic valve is inhaled moving circuit (95) excitation magnetic valve (14) and is inhaled valve, and combustion gas gets into burning in the burner (17) through water-gas interstage valve (18); If flame detection circuit (94) feedback burner (17) has flame, then send and keep signal and make magnetic valve holding circuit (96) excitation magnetic valve keep inhaling the valve state, get into said burner (17) internal combustion to guarantee combustion gas;
In burner (17) combustion process, whether the current temperature that temperature detection signal (97) can detect water inlet (12) constantly is higher than is closed fiery temperature and closes fiery temperature T
Ref2, and feed back in the governor circuit (90), judge whether to need to continue or stop heating with this.
8. but according to the automatic heating gas water heater of the described assisted solar heat supply of claim 6, it is characterized in that:
Another cooling-water temperature sensor (961) of adjacent said heat exchanger (19) delivery port (191) is temperature detect switch (TDS) S2; The break contact of this temperature detect switch (TDS) S2 is connected electrically in the said magnetic valve holding circuit (96); No matter whether burner (17) burns, when the water temperature of delivery port (191) surpasses the overtemperature protection temperature T
ExThe time, the break contact of temperature detect switch (TDS) S1 just separates, and magnetic valve (14) is lost encourage, and combustion gas can't get in the burner (17), and burner (17) is that burn-out maybe can not be burnt.
9. but according to the automatic heating gas water heater of claim 6 or 7 described assisted solar heat supplies, it is characterized in that:
The fiery temperature T of fixing a point
Ref1＜close fiery temperature T
Ref2＜inlet water temperature T
In
10. but according to the automatic heating gas water heater of claim 6 or 7 described assisted solar heat supplies, it is characterized in that:
The cooling-water temperature sensor (971) of said temperature sensing circuit (97) adopts thermistor, and the variation of its terminal voltage is delivered to and judged water temperature in the said governor circuit (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102188483A CN102313315A (en) | 2010-07-05 | 2010-07-05 | Automatically-heated gas water heater with auxiliary solar-energy heat supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102188483A CN102313315A (en) | 2010-07-05 | 2010-07-05 | Automatically-heated gas water heater with auxiliary solar-energy heat supply |
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| CN102313315A true CN102313315A (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102188483A Pending CN102313315A (en) | 2010-07-05 | 2010-07-05 | Automatically-heated gas water heater with auxiliary solar-energy heat supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674385A (en) * | 2016-04-06 | 2016-06-15 | 成都金鼎恒信科技有限公司 | Hot water circulating pipeline |
| CN107144019A (en) * | 2017-05-17 | 2017-09-08 | 广东万家乐燃气具有限公司 | A kind of solar energy linkage gas instantaneous water heater with water mixing valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556564Y (en) * | 2002-06-18 | 2003-06-18 | 赵纯禄 | Solar heating gas compensating device |
| CN201314688Y (en) * | 2008-11-30 | 2009-09-23 | 陈福生 | Gas water heater used together with solar water heater |
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2010
- 2010-07-05 CN CN2010102188483A patent/CN102313315A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556564Y (en) * | 2002-06-18 | 2003-06-18 | 赵纯禄 | Solar heating gas compensating device |
| CN201314688Y (en) * | 2008-11-30 | 2009-09-23 | 陈福生 | Gas water heater used together with solar water heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674385A (en) * | 2016-04-06 | 2016-06-15 | 成都金鼎恒信科技有限公司 | Hot water circulating pipeline |
| CN107144019A (en) * | 2017-05-17 | 2017-09-08 | 广东万家乐燃气具有限公司 | A kind of solar energy linkage gas instantaneous water heater with water mixing valve |
| CN107144019B (en) * | 2017-05-17 | 2024-04-05 | 广东万家乐燃气具有限公司 | Solar energy linkage gas quick water heater with water mixing valve |
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Application publication date: 20120111 |