CN201000168Y - Environmental protection constant temp gas water heater - Google Patents
Environmental protection constant temp gas water heater Download PDFInfo
- Publication number
- CN201000168Y CN201000168Y CNU2007200477497U CN200720047749U CN201000168Y CN 201000168 Y CN201000168 Y CN 201000168Y CN U2007200477497 U CNU2007200477497 U CN U2007200477497U CN 200720047749 U CN200720047749 U CN 200720047749U CN 201000168 Y CN201000168 Y CN 201000168Y
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- Prior art keywords
- gas
- water heater
- dense
- supply system
- stepper motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 230000007613 environmental effect Effects 0.000 title claims description 14
- 239000002737 fuel gas Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 63
- 238000002485 combustion reaction Methods 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 15
- 230000002277 temperature effect Effects 0.000 abstract description 2
- 239000000567 combustion gas Substances 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses an environment-protective constant temperature fuel gas water heater. The utility model comprises an electrical controlling device, a fuel gas supplying system equipped with a burner, and a water route system equipped with a water flow adjusting valve, a stepper motor is arranged in the water flow adjusting valve, the valve core is linked with the output axle of the stepper motor, and the stepper motor is electrically connected with the electrical controlling device. The structural improvement can realize the automatic adjustment to the water flow quantity. When the user needs to set the water flow quantity or the temperature preset by the user can be reached by controlling the fuel gas flow quantity, the water flow quantity can be controlled through the opening degree of rotating or reversely rotating the adjusting valve core of the stepper motor to improve the constant temperature effect of the water heater. At the same time, the fuel gas supplying system of the utility model also comprises thin fuel gas supplying system and the dense fuel gas supplying system which are mutually separated, double flame burner of a thin flame hole and a dense flame hole is arranged on the burner, the characteristic of the burner is that the burning is adequate and the flame temperature is comparatively low, therefore the generated oxynitride is low, and the thermal efficiency is higher than the common water heater.
Description
Technical field
The utility model relates to field of water heaters, particularly a kind of gas heater that reaches constant temperature and environment protecting by easy architecture advances.
Technical background
Existing constant-temperature hot water device normally comprises electrical control gear, water flow sensor, Inlet and outlet water temperature sensor and gas ratio valve, blower fan etc.Control by electrical control gear, temperature of setting according to the user and water flow sensor, inflow temperature sensor, the detected signal of leaving water temperature sensor, calculate needed gas flow and the required air mass flow of these fuel gas burings, export control signal then and give gas ratio valve and blower fan.If required gas flow increases, then electrical control gear is just exported the passage aperture increase that the control parameter makes gas ratio valve, and gas flow is increased, and corresponding output control parameter increases the rotating speed of blower fan, air mass flow increases, otherwise little if required gas flow is slowed down, the passage aperture of gas ratio valve reduces, gas flow reduces, rotation speed of fan reduces, and air mass flow reduces, and whole process realizes hot water constant temperature.Yet, this horizontal temperature can only realize in certain scope, when in gas ratio valve aperture minimum, and the detected leaving water temperature of leaving water temperature sensor also is higher than under the situation that the user sets temperature, perhaps in gas ratio valve aperture maximum, and the detected leaving water temperature of leaving water temperature sensor also is lower than under the situation that the user sets temperature, and this constant-temperature hot water device just can't reach the effect of constant temperature.
On the other hand, the most frequently used gas heater in the prior art, adopt the cold water in the common burner heat exchanging device to heat, the temperature that this burner combustion produces flame is very high, reach more than 1750 degree, and the oxynitrides content that fuel gas buring produced is to raise along with the rising of flame temperature that the high-temperature flue gas of discharging causes the pollution to environment, residual harmful substance oxynitrides especially in the flue gas works the mischief to user's health and safety.Simultaneously because the combustion characteristics of existing burner makes it need a large amount of air, and too much air has been taken away a part of heat, the thermal efficiency is low comparatively speaking, energy consumption is high to make gas heater.
The utility model content
The technical problems to be solved in the utility model is, overcomes above-mentioned the deficiencies in the prior art, and a kind of environmental protection constant temp gas water heater that improves the water heater internal structure is provided, and can obtain higher thermal efficient and low fume emission when realizing constant temperature.
The technical scheme of the utility model environmental protection constant temp gas water heater is: a kind of environmental protection constant temp gas water heater, comprise electrical control gear, be provided with the gas supply system of burner and be provided with the water circuit system of Water flow adjusting valve, it is characterized in that: be provided with stepper motor in the described Water flow adjusting valve, the output shaft interlock of its spool and stepper motor, stepper motor is electrically connected with electrical control gear.Such architecture advances can realize the automatic adjusting of discharge.When the user need set discharge size or can not reach the temperature that the user sets by the control gas flow, by the positive and negative aperture that transfers regulating spool of stepper motor, control discharge size was to improve the constant temperature effect of water heater.
Described gas supply system comprises separate light fuel gas supply system system and dense gas supply system, and described light gas supply system is arranged on the outside of dense gas supply system.And burner is the two flame burners that are provided with light fire hole and dense fire hole, and described light fire hole is corresponding with the light gas-air mixture passage of light gas supply system; Described dense fire hole is corresponding with the dense gas-air mixture passage of dense gas supply system.Specifically, described light gas-air mixture passage is made up of the stable backplate and the dividing plate in the outside, and described stable backplate closely is connected with the junction of dividing plate; Described dense gas-air mixture passage is made up of the folding central layer at dividing plate and center, and described folding central layer closely is connected with the junction of dividing plate.The characteristics of this burner are exactly that sufficient combustion, flame temperature low relatively (only 1700 ℃, the common mode part is up to more than 2200 ℃), flame height are even, flame is short with respect to burners in prior.So, the oxynitrides (NO that it produced
X) low, the combustion chamber height need not be so high, this spline structure relative compact, and heat exchange is also more abundant, and the thermal efficiency is also than the common water heater height.
Compared with prior art, the utility model environmental protection constant temp gas water heater discloses a kind of gas heater of efficient relatively constant temperature, and it uses novel two flame burners and discharge automatic regulating valve on water heater, thereby has following technological merit:
1. good constant-temperature effect can be set discharge, than the easier temperature that reaches user's setting of common water heater.
2. sufficient combustion, thermal efficiency height, energy-conserving and environment-protective; Discharge low, oxynitrides particularly.
Description of drawings:
Below in conjunction with the drawings and specific embodiments the utility model environmental protection constant temp gas water heater is done furtherly:
Accompanying drawing 1 is the topology view of the utility model environmental protection constant temp gas water heater;
Accompanying drawing 2 is the cutaway view of discharge automatic regulating valve among Fig. 1.
Accompanying drawing 3 is two flame burner structure cutaway views among Fig. 1;
Accompanying drawing 4 is dense gas-air mixture gas circuit when two flame burners are worked among Fig. 1;
Accompanying drawing 5 is light gas-air mixture gas circuit when two flame burners are worked among Fig. 1;
The specific embodiment:
As shown in Figure 1, 2, the utility model environmental protection constant temp gas water heater comprises housing 1, is positioned at fume extractor 2, the heat exchanger 3 on housing top, the two flame burners 4 that are located at combustion chamber 5, gas distributing rod assembly 6, the brushless direct-current blower fan 7 that is provided with driving, water intaking valve 11, inflow temperature sensor 12, the discharge automatic regulating valve 8 that is provided with driving, leaving water temperature sensor 9, outlet valve 10, the gas ratio valve 13 that is provided with driving, electrical control gear 14; Discharge automatic regulating valve 8 comprises spool 85, valve core case 82 and regulation valve body 86, and spool 85 is installed in 86 li of valve core case 82 and regulation valve bodies, and stepper motor 81 and spool 85 be interlock mutually, and is electrically connected with electrical control gear 14.Spool 85 has O-ring seals 84 near an end encapsulation of stepper motor 81, is with sealing ring 83 on the valve core case 82, and spool 85 cooperates with valve core case 82, controls the size of passage in the discharge automatic regulating valve 8 by the stroke of spool 85.The water flow sensor 87 that detects current discharge is installed on the regulation valve body 86.The input of electrical control gear 14 is electrically connected with water flow sensor 87, Inlet and outlet water temperature sensor 12,9, accept detection signal, gas ratio valve 13, stepper motor 81, discharge automatic regulating valve 8, blower fan 7 are electrically connected with the output of electrical control gear 14, accept the control signal that electrical control gear 14 converts to according to detection signal.
During the utility model gas water heater working, its water route line is: pass through the water inlet that automatic Water flow adjusting valve 8 enters heat exchanger 3 by water intaking valve 11, through after the heat exchange, the delivery port inflow outlet valve 10 from heat exchanger 3 flows out again; Its airflow route is: combustion gas enters gas distributing rod 6 after the linear scale of combustion gas proportioning valve 13 is regulated, gone into two flame burners 4 by injection again, be mixed into the incendivity mist with part air from blower fan 7,5 internal combustion in the combustion chamber, shown in accompanying drawing 3 to 5, two flame burners 4 comprise stablizes backplate 21, dividing plate 22, folding central layer 23.Wrapping dividing plate 22 by outmost stable backplate 21, forming the light fire hole I of two flame burners, stablizing backplate 21 and require to combine closely, forming light gas-air mixture passage with the matching part of dividing plate 22; Dividing plate 22 is wrapping folding central layer 23 and is combining closely, and forms hermetic seal between the two, and the hole of folding central layer 23 front ends just forms dense fire hole II, dense gas-air mixture passage when finally forming light burner operation.The concrete course of work of two flame burners 4 is shown in accompanying drawing 4,5, the part combustion gas is sprayed by pressure at nozzle A place, enter in the induction tunnel, simultaneously also injection be lower than the required air capacity of this part combustion gas of burning, these combustion gas and air mix in passage through the injector B of throat, mix all after through channel C more from the head the dense fire hole II in D place at the uniform velocity flow out, lighted, formed dense combustion flame; Combustion gas is sprayed by pressure at nozzle E place, enter in the induction tunnel, simultaneously also injection surpass the required air capacity of this part combustion gas of completing combustion, combustion gas and air are after several apertures at mixing tube F place, mix, pass through passage G again, the light fire hole I in H place at the uniform velocity flows out by the some burning from the head at last, forms light combustion flame.During light flame combustion and since injection excessive air, make air coefficient greater than 1.0, greatly about about 1.8.Under the constant prerequisite of combustion gas character and air demand, ignition temperature and exhaust gas volumn are inversely proportional to, and exhaust gas volumn is identical with the excess air variation tendency, thereby ignition temperature is opposite with the excess air variation tendency.Test shows, air coefficient increases by 1.8 o'clock from 1.0, and its ignition temperature drops to 1170 ℃ from 2315 ℃, reduced closely 50%, and this significantly temperature reduces reducing heating power type NO
XThe influence of growing amount is huge.Particularly when temperature is lower than 1700 ℃, heating power type NO
XIt is very little that growing amount becomes, like this heating power type NO of burner
XGeneration be effectively controlled.As shown in Figure 6, light flame is a kind of fully premixed combustion system, and flame is shorter relatively, and dense flame then is partly-premixed combustion system, and flame is longer relatively, makes overall flame that an inside trend be arranged.Simultaneously, the both sides of dense flame are the flue gas that light flame combustion generates, and this has just caused, and auxiliary air can not obtain rapidly in the combustion process, and dense flame is elongated, and the elongation of flame has prolonged the burning heat release time, has slowed down heating speed, and flame temperature is descended.Thereby the combustion flame height that is produced is 3/5 of an ordinary burner, and the temperature that burning produces also has only 1750 ℃, and the sufficient combustion heat release is even, can not produce the high temperature up to 2200 ℃ local as ordinary combustion, and the NO that produces during the burning of generation
XBe no more than 1/3 of ordinary burner, high-temperature flue gas enters fume extractor 2 and is discharged from after heat exchanger 3 and water carry out heat exchange.
The utility model water heater is identical with the existing common constant-temperature hot water device course of work under normal conditions, temperature that to be electrical control gear 14 set according to the user and water flow sensor 87, inflow temperature sensor 12, leaving water temperature sensor 9 detected signals, calculate needed gas flow and the required air mass flow of these fuel gas burings, input control signal is given gas ratio valve 13 and blower fan 7 again.If required gas flow increases, then electrical control gear 14 is just exported the passage aperture increase that the control parameter makes gas ratio valve 13, gas flow is increased, and corresponding output control parameter increases the rotating speed of blower fan 7, and air mass flow increases, otherwise, if it is little that required gas flow is slowed down, by electrical control gear 14 output control parameters the passage aperture of gas ratio valve 13 is reduced, gas flow is reduced, corresponding output control parameter reduces the rotating speed of blower fan 7, and air mass flow also reduces; Electrical control gear 14 sends order, gas ratio valve 13 and blower fan 7 execution commands, and whole process realizes hot water constant temperature.Have only when under the situation of gas ratio valve 13 aperture minimums, leaving water temperature sensor 9 detected leaving water temperatures also are higher than the user and set temperature, this moment, electrical control gear 14 output control parameters were rotated stepper motor 81, use spool 85 A direction in accompanying drawing 2 to move, increase discharge Q, to realize hot water constant temperature; Otherwise under the situation of gas ratio valve 13 aperture maximums, leaving water temperature sensor 9 detected leaving water temperatures also are lower than the user and set temperature, this moment, electrical control gear 14 output control parameters were rotated stepper motor 81, use spool 85 B direction in accompanying drawing 2 to move, reduce discharge Q, to realize hot water constant temperature.
On the other hand, the user can set the current value in advance, current value and water flow sensor 87 detected signal contrast that electrical control gear is set according to the user, if water flow sensor 87 detected discharges are little, then electrical control gear 14 output control parameters are rotated stepper motor 81, use spool 85 to move to the A direction, the aperture that increases spool 85 reaches the current value of setting; Otherwise electrical control gear 14 output control parameters make stepper motor 81 counter-rotatings, use spool 85 to move to B, reduce the aperture of spool 85, to realize the constant current value of setting of discharge.
It is strong that the utility model adopts a kind of pair of flame burner and discharge automatic regulating valve to be applied to sealing Drum-type burning with on the outdoor water heater, also can be used on forced-ventilated or the balancing machine, relatively be fit to Da Rong The calorimetric hydrophone. Because it is low that it has discharging, efficient, bidirectional modulation constant temperature can be set the spies such as discharge Point is to realize one of water heater feasible method of future generation.
Claims (5)
1. environmental protection constant temp gas water heater, comprise electrical control gear, be provided with the gas supply system of burner and be provided with the water circuit system of Water flow adjusting valve, it is characterized in that: be provided with stepper motor in the described Water flow adjusting valve, the output shaft interlock of its spool and stepper motor, stepper motor is electrically connected with electrical control gear.
2. environmental protection constant temp gas water heater according to claim 1 is characterized in that: described gas supply system comprises separate light fuel gas supply system system and dense gas supply system, and described light gas supply system is arranged on the outside of dense gas supply system.
3. environmental protection constant temp gas water heater according to claim 2 is characterized in that: described burner is the two flame burners that are provided with light fire hole and dense fire hole, and described light fire hole is corresponding with the light combustion gas-air Mixture passage of light gas supply system; Described dense fire hole is corresponding with the dense combustion gas-air Mixture passage of dense gas supply system.
4. environmental protection constant temp gas water heater according to claim 3 is characterized in that: described light combustion gas-air Mixture passage is made up of the stable backplate and the dividing plate in the outside, and described stable backplate closely is connected with the junction of dividing plate; Described dense combustion gas-air Mixture passage is made up of the folding central layer at dividing plate and center, and described folding central layer closely is connected with the junction of dividing plate.
5. according to each described environmental protection constant temp gas water heater of claim 1 to 4, it is characterized in that: described water heater is the forced exhaust formula or forces balanced type or outdoor type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200477497U CN201000168Y (en) | 2007-01-23 | 2007-01-23 | Environmental protection constant temp gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200477497U CN201000168Y (en) | 2007-01-23 | 2007-01-23 | Environmental protection constant temp gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201000168Y true CN201000168Y (en) | 2008-01-02 |
Family
ID=39014573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200477497U Expired - Lifetime CN201000168Y (en) | 2007-01-23 | 2007-01-23 | Environmental protection constant temp gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201000168Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322687A (en) * | 2012-03-23 | 2013-09-25 | 台湾樱花股份有限公司 | Water heater with water flow rate regulating valve component and control method thereof |
| CN106322737A (en) * | 2015-06-18 | 2017-01-11 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and control method thereof |
| CN112112994A (en) * | 2019-06-20 | 2020-12-22 | 关隆股份有限公司 | Flow regulating valve for gas stove |
| CN113654041A (en) * | 2021-07-22 | 2021-11-16 | 何俊荣 | Up-draft thick-thin burner |
| CN113865108A (en) * | 2020-06-30 | 2021-12-31 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
-
2007
- 2007-01-23 CN CNU2007200477497U patent/CN201000168Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322687A (en) * | 2012-03-23 | 2013-09-25 | 台湾樱花股份有限公司 | Water heater with water flow rate regulating valve component and control method thereof |
| CN103322687B (en) * | 2012-03-23 | 2015-12-09 | 台湾樱花股份有限公司 | There is water heater and the control method thereof of rate of flow of water valve assembly |
| CN106322737A (en) * | 2015-06-18 | 2017-01-11 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and control method thereof |
| CN106322737B (en) * | 2015-06-18 | 2022-06-17 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and control method thereof |
| CN112112994A (en) * | 2019-06-20 | 2020-12-22 | 关隆股份有限公司 | Flow regulating valve for gas stove |
| CN113865108A (en) * | 2020-06-30 | 2021-12-31 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| CN113654041A (en) * | 2021-07-22 | 2021-11-16 | 何俊荣 | Up-draft thick-thin burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: VATTI CO., LTD. Free format text: FORMER NAME: ZHONGSHAN CITY HUADI COMBUSTION UTENSILS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528416, 1, Nanhua Road, Xiaolan Industrial Road, Xiaolan Town, Guangdong, Zhongshan Patentee after: Vatti Co., Ltd. Address before: 528416, 1, Nanhua Road, Xiaolan Industrial Road, Xiaolan Town, Guangdong, Zhongshan Patentee before: Zhongshan City Huadi Combustion Utensils Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080102 |
|
| EXPY | Termination of patent right or utility model |