CN201662202U - Fully automatic gas water heater - Google Patents
Fully automatic gas water heater Download PDFInfo
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- CN201662202U CN201662202U CN2010201340667U CN201020134066U CN201662202U CN 201662202 U CN201662202 U CN 201662202U CN 2010201340667 U CN2010201340667 U CN 2010201340667U CN 201020134066 U CN201020134066 U CN 201020134066U CN 201662202 U CN201662202 U CN 201662202U
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Abstract
The utility model relates to a fully automatic gas water heater, which belongs to the technical field of a water heater, and comprises a water supply channel, a gas supply channel, a burning chamber and a water outlet pipe, wherein the gas supply channel is divided into a first gas supply channel with a main control valve and a second gas supply channel with a micro control valve, and the water outlet pipe is provided with a heat end temperature controller for controlling the micro control valve by water temperature. The utility model can really achieve the full automation of the gas water heater, and the water temperature always keeps constant in the process of use as long as a user adjust the main control valve to the needed temperature scale; and the utility model has energy saving, environment protection, low carbon, economy and practicality.
Description
Technical field
The utility model relates to a kind of full-automatic gas-fired water heater, belongs to technical field of water heaters.
Background technology
Existing gas heater, microcomputer gas water heater and general gas water heater are arranged, the temperature control of microcomputer gas water heater is to adopt the solenoid-operated proportional gas valve, control of electromagnetism subregion and hydraulic pressure are regulated control, it or not control valve, be difficult to accurately regulate gas consumption, the general gas water heater is pressed the control mode of water heater water outlet, standard and back standard water heater before can being divided into.Before the standard water heater be to utilize the inlet valve of water heater to control the hot water flow of water heater, its structure is simpler, but uses inconvenience; Back standard water heater is to utilize the flowing water Valve of water heater to control the hot water flow of water heater, its structure is complicated, use more convenient, but the problem that has following three aspects, first, water is when low pressure, in the heating process, the cold water heating has obtained energy and has improved temperature, change has all taken place in the viscosity of water, tension force and volume, and the stagnation pressure of the stagnation pressure of hot water greater than cold water appears in this moment, hot water refluence (situation is fewer) occurs; The second, the stagnation pressure of hot water equals the stagnation pressure of cold water, and this moment, temperature can't be regulated and control; Three, the stagnation pressure of hot water is less than the stagnation pressure of cold water, because people's illusion, and the back system valve that makes a movement, very big to the influence of water temperature, often control badly, sometimes cold and sometimes hot, many users dare not transfer back system valve, often need restart the temperature control weak effect.
Aspect thermostatic control, manually-operated and electric temperature control display operation etc. are arranged.Manually-operated generally has three knobs, the complexity that operates, inconvenience, and also the temperature control effect is bad, and sometimes cold and sometimes hot, need continuous adjustment in the use; Electricity temperature control display operation, art designs is had relatively high expectations, cost an arm and a leg, to the environmental requirement height, there is deviation in actual temperature actuated, and because it is by computer chip and the control of electronic control system, electronic component is more, and is fragile, and contacts with water, the long-term use easily leaked electricity, and has very big potential safety hazard.
The utility model content
Water temperature was difficult to keep the problem of constant temperature when the utility model had solved long-time use gas heater, and a kind of full-automatic gas-fired water heater is provided, and can control the leaving water temperature of gas heater easily, temperature constant.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of full-automatic gas-fired water heater, comprise water channel, air supply channel, combustion chamber and outlet pipe, described air supply channel is divided into first air supply channel that is provided with the master control valve, is provided with second air supply channel of micro-control valve and is provided with the 3rd air supply channel that replenishes valve, described outlet pipe is provided with the hot-side temperature controller by water temperature control micro-control valve, and described water channel is provided with the cold junction temperature controller that control replenishes valve.
Further, described hot-side temperature controller is a hot junction thermometer bulb controller, and described hot junction thermometer bulb controller comprises can be with the hot junction thermometer bulb of temperature expansion and contraction, and described hot junction thermometer bulb is connected with the micro-control valve; Described cold junction temperature controller is a cold junction thermometer bulb controller, and described cold junction thermometer bulb controller comprises can be with the cold junction thermometer bulb of temperature expansion and contraction, and described cold junction thermometer bulb is connected with additional valve.
Further, described water channel is provided with the diaphragm type pressure-reducing valve.
Further, described water channel also is provided with superelevation water temperature water channel, and its other end connects described outlet pipe, and this superelevation water temperature water channel is provided with superelevation water temperature control valve, and this superelevation water temperature control valve is controlled by above-mentioned hot-side temperature controller.
Further, the exhaust outlet of described combustion chamber is provided with offgas duct, and this offgas duct other end feeds this combustion chamber and carries out second-time burning, is provided with the tail gas outlet in combustion chamber second-time burning place, also is provided with air inlet on this offgas duct.
Further, described fuel chamber top is provided with exhaust gas chamber, and above-mentioned offgas duct is connected with this exhaust gas chamber.
Further, described fuel chamber is provided with mixing chamber, and this mixing chamber one end connects offgas duct, and the other end connects the combustion chamber.
Further, described offgas duct is provided with and can and flows to into the two-tube of mixing chamber and stream axle center blower fan tail gas and air.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model can really be realized the full-automation of gas heater, and the user is as long as adjust to needed temperature scale place with the master control valve, and water temperature promptly in use remains constant, low-carbon (LC), energy-conserving and environment-protective, economical and practical.
2, hot-side temperature controller of the present utility model is adjusted the micro-control valve by the water temperature that determines water pipe, adjust water temperature by the control air demand, the setting of cold junction temperature controller, be because the spring, summer, autumn, the four seasons in winter change, there is bigger difference in the water temperature of the difference of north-south climate and cities and towns and rural water, the water temperature variable effect the heating of gas heater and the effect of temperature control, make the leaving water temperature of water heater not reach desirable water temperature, in order to realize controlling fully the effect of water temperature, be provided with the cold junction temperature controller of measuring the water channel water temperature, a basal temperature at first is set, when water temperature is lower than basal temperature, the adjustment of cold junction temperature controller replenishes valve, improve water temperature by the control air demand, hot-side temperature controller and cold junction thermometer bulb controller use simultaneously, temperature control is accurate, has improved the absolute temperature of heating greatly.
3, in the utility model tail gas is inserted the combustion chamber and carry out second-time burning, under equal conditions, the utility model can make exhaust temperature reduce by 10 ℃, and the temperature of cold water rises that can make heating is more than 5 ℃.
4, in the utility model, tail gas is imported the combustion chamber second-time burning, under equal conditions, the utility model can make NO and the CO content in the tail gas reduce by 30%～50%.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a structure principle chart of the present utility model;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the structural representation of the utility model hot junction thermometer bulb controller;
Fig. 4 is the internal structure schematic diagram at the place, combustion chamber of general gas water heater of the present utility model;
Fig. 5 is the internal structure schematic diagram at the place, combustion chamber of forced-ventilated gas water heater of the present utility model;
Fig. 6 is the structural representation of two-tube and stream axle center blower fan of the present utility model.
The specific embodiment
As shown in Figure 1, full-automatic gas-fired water heater described in the utility model comprises water channel 1, air supply channel 2, combustion chamber 3 and outlet pipe 4, air supply channel is divided into first air supply channel 6 that is provided with master control valve 5, is provided with second air supply channel 8 of micro-control valve 7 and is provided with the 3rd air supply channel 10 that replenishes valve 9, outlet pipe 4 is provided with the hot-side temperature controller 11 by water temperature control micro-control valve 7, and water channel 1 is provided with the cold junction temperature controller 12 that control replenishes valve 9.
In the present embodiment, hot-side temperature controller 11 is a hot junction thermometer bulb controller, and hot junction thermometer bulb controller comprises can be with the hot junction thermometer bulb of temperature expansion and contraction, and the hot junction thermometer bulb is connected with micro-control valve 7; Cold junction temperature controller 12 is a cold junction thermometer bulb controller, and cold junction thermometer bulb controller comprises can be with the cold junction thermometer bulb of temperature expansion and contraction, and the cold junction thermometer bulb is connected with additional valve 9.
Gas consumption when master control valve 5 mainly is the required temperature of control user, by requirement and the purposes of manufacturer according to product, design the gas consumption of positive warm spot and cross tolerance, make things convenient for the user to set the temperature of hot water, before using water heater, adjust the temperature that will heat by the user.
As shown in Figure 2, master control valve 5 is shaped as taper, and it connects master control control stick 13, and master control control stick 13 connects master control gear 14, and master control gear 14 is driven by rotation, and is empty in the master control control stick 13, can seal the tapered end of gas cushion rubber 15.When turning knob is adjusted the combustion gas size, rotate by 14 conduction of master control gear, during the master control valve 14 design anglecs of rotation, should be slightly less than effective anglec of rotation of micro-control valve 7 according to actual requirement, to make things convenient for the control of micro-control valve 7, the anglec of rotation of master control valve 14 and the anglec of rotation of knob can be by the relations of big pinion, amplify effectively or dwindle, knob can design scale outside the water heater shell, calculate scope number of degrees index, identify as requested, be user-friendly to, first air supply channel 6 is by the throughput of temperature on schedule, and the combustion gas that enters by second air supply channel 8 and its are mixing in leading to the passage of nozzle, first air supply channel 6 is circular or oval, second air supply channel, 8 diameters are much smaller than first air supply channel 6, for example: when the user is transferred to 35 ℃, micro-control valve 7 will be 35 ℃ of scope work, the user is transferred to 50 ℃, and the micro-control valve will be 50 ℃ of scope work.
The course of work of master control valve 5 and micro-control valve 7 for example below: certain user's shower in autumn need be heated 45 ℃ of water, he points to 45 ℃ with the knob rotary indicator, it is transferred to 45 ℃ to master control valve 5 by master control gear 14, second air supply channel also is transferred to 45 ℃ position, if there is not micro-control valve 7, master control valve 5 also can be heated to 45 ℃ to water separately by designing requirement, but water temperature can be unstable after a period of time.After the user opens taps, cold water at first passes through hydraulic valve switch 20, hydraulic pressure is enough big, start hydraulic valve switch 20 and touch little electric switch energising, water heater is constantly put to fight and is started magnet valve switch 21, combustion gas is arrived the temperature control by-pass cock through magnet valve switch 21 and hydraulic valve switch 20 fast under the effect of pressure, master control valve 5 and micro-control valve 7 are all opened, combustion gas mixes the back to fuel chamber's 3 ignition through to nozzle with air, wherein the combustion gas passed through of master control valve 5 can be heated to 45 ℃ to water, micro-control valve 7 also has a large amount of combustion gas by entering combustion chamber 3 burnings at this moment, Fast heating water temp, the thermometer bulb of hot junction thermometer bulb controller 11 rapid expanding of being heated, combustion gas by atmosphere to middle gas to controllable gas, sensing temperature to the hot junction thermometer bulb is 45 ℃, when identical with required temperature, micro-control valve 7 is closed does not have combustion gas to pass through, nozzle has only the fuel gas buring of 45 ℃ on master control valve, this moment, water temperature was issued to 46 ℃ in action of inertia, because the not enough water temperature of combustion gas can fall back to 45 ℃, the hot junction thermometer bulb also reaches transient equilibrium at 45 ℃, because ambient influnence, water temperature can descend at any time (as combustion gas quality and go into coolant-temperature gage etc.), when water temperature is lower than 45 ℃, the user does not feel that also water temperature descends, master control valve 5 still continues to supply with gas by 45 ℃, but the hot junction thermometer bulb measured water temperature and was lower than 45 ℃ this moment, the thermometer bulb volume contraction, micro-control control stick 16, micro-control gear 17, short distance baffle plate 19 rotates under the effect of elastic force, micro-control valve 7 is opened, provide a small amount of combustion gas to heat, when reaching 45 ℃, water temperature closes again, the unsettled phenomenon of air feed often appears in the pipe natural gas in city, automatically control is very important to the user, in addition because the variation of environment or combustion gas kind, water temperature does not reach 45 ℃, and master control valve 5 is still pressed 45 ℃ at air feed, this moment hot junction thermometer bulb volume contraction, a small amount of combustion gas can't make water temperature raise, hot junction thermometer bulb volume continues to shrink, when temperature drops to a controlled unit gas (3 ℃), promptly 42 ℃ the time, micro-control valve 7 enters the middle gas area of staged breach, there is a large amount of combustion gas to enter the nozzle aftercombustion, micro-control valve 7 is closed after again water temperature being drawn high 45 ℃, reaches the effect of automation temperature control.
The effect that replenishes valve 9 is to go into coolant-temperature gage when low, unlatching is heated, because the spring, summer, autumn, the four seasons in winter change, there is bigger difference in the water temperature of the difference of north-south climate and cities and towns and rural water, the water temperature variable effect the heating of gas heater and the effect of temperature control, make the leaving water temperature of water heater not reach desirable water temperature, in order to realize controlling fully the effect of water temperature, the cold water water intake end is installed cold junction thermometer bulb controller 12, automatically control the additional source of the gas of gas heater, improve water temperature affected by environment, cold junction thermometer bulb controller 12 is just in time opposite with the operation principle of hot junction thermometer bulb controller 11, utilize the contraction principle of thermometer bulb, cities and towns and rural water are subjected to the influence of natural environment, spend to 5 degree from 23, but every day or a period of time are constant, need not set control, the basal temperature of cold junction thermometer bulb controller 12 (23 degree) is certain, volume is also certain, when weather turns cold, water temperature reduces, the thermometer bulb volume contraction of cold junction thermometer bulb controller 12, the control stick that causes cold junction thermometer bulb controller 12 moves, distance is dwindled, and gas heater replenishes air valve and open air valve under the effect of elastic force, increases gas quantity, temperature is low more, shrink greatly more, the gas quantity of increase is many more, and fire is big more, owing to be to replenish source of the gas, controlled quentity controlled variable can not be very big, and the target that it will be realized is that water temperature is spent from low-temperature heat to 23, reaches the requirement of setting.
The technical know-how of thermometer bulb controller is a thermodynamical theory, heat energy changes into kinetic energy, try hard to recommend moving adjustable valve rotation by thermal expansion and cold contraction propagation power generating machine, mechanical force and elastic force acting in conjunction (elastic force is little) are arranged in the adjustable valve, but left-right rotation,---heat energy------power---mechanical force---the control valve rotation of expanding that technical process is: temperature.The core technology of thermometer bulb controller is a thermometer bulb, and the selection of thermometer bulb and shape need are very high, and be very sensitive to heat, the material that the present embodiment thermometer bulb uses is a red metal, and heat conduction is good, and medium is a nitrogen, very sensitive to heat, thermal expansion is good, and shape is a screw-like, scalable, being heated produces unidirectional cross force, and the screw-like thermometer bulb seals, nitrogen medium, good stability, sensitivity, and red metal and nitrogen is heat power material commonly used, and various instrument and meters are commonly used.
In the present embodiment, the controller of having enough to eat and wear that gas heater uses has hot junction thermometer bulb controller 11 and cold junction thermometer bulb controller 12, Fig. 3 is the structural representation of the utility model hot junction thermometer bulb controller, hot junction thermometer bulb controller 11 is provided with water inlet 111 and delivery port 112, screw-like thermometer bulb 113 promotes control stick 114 by thermal expansion and laterally moves, control stick 114 promotes 7 rotations of micro-control valve, also be provided with spring 115 on the control stick 114, control stick 114 is resetted, and cold junction thermometer bulb controller 12 is to make the control valve rotation by cold contraction.The operation principle of thermometer bulb controller is under pressure constant state, and the volume of screw-like thermometer bulb raises with temperature and reduces, and produces expansive force and convergent force, the screw-like thermometer bulb is because type control, its expansion and contraction can only unidirectionally laterally be moved, and reach heat power control effect, and the basal temperature of thermometer bulb is certain, the basis volume is also certain, the variations in temperature and the Volume Changes of thermometer bulb are directly proportional, and gas heater has 6L, 8L, 10L is best shower effects.
The course of work of hot junction thermometer bulb controller 11 is: the heating water temperature is from 20 ℃ to 45 ℃, the control stick 114 of hot junction thermometer bulb controller 11 laterally moves from 0 to 8.5mm, thereby the adjusting air valve of controlling gas heater automatically rotates, reach the effect of control gas heater gas quantity, temperature is during less than 45 ℃, thermometer bulb shrinks automatically, automatically control strengthens gas quantity, improve temperature, because 45 ℃ distance control, can't strengthen gas quantity, make temperature be controlled at 45 ℃, for example: need the general gas water heater to be heated to 40 ℃, the master control valve is transferred to 40 ℃, the micro-control valve is also located at 40 ℃, in general gas water heater when heating,, the control stick of hot junction thermometer bulb controller raises in temperature and constantly moves to 6.8mm place and be 40 ℃ and stop automatically that gas quantity constantly reduces to the 6.8mm place by maximum to be stopped, make temperature be controlled at 40 ℃ automatically, during heating just, water temperature is low, and fire is big, water temperature raises fast, gas quantity constantly reduces, and temperature to 40 ℃ and the intersection of 6.8mm place stop, falling temperature surpasses 40 ℃ under action of inertia after, 40 ℃ of A.T.Cs reach constant effect.The structure of cold junction thermometer bulb controller is the same with hot junction thermometer bulb controller, just thermometer bulb is lacked half, the utility model uses simultaneously by hot junction thermometer bulb controller and cold junction thermometer bulb controller, has improved water temperature heating absolute temperature greatly, has improved hot water temperature's controllability.
Water channel also is provided with superelevation water temperature water channel 22, and its other end connects described outlet pipe 4, and this superelevation water temperature water channel 22 is provided with superelevation water temperature control valve 23, and this superelevation water temperature control valve 23 is controlled by the hot-side temperature controller.
The exhaust outlet of the utility model combustion chamber 3 is provided with offgas duct 24, and the expansion impulse force that produces during burning imports this combustion chamber 3 with tail gas (containing CO, NO and unburned fuel gas) by offgas duct 24, and this offgas duct 24 is provided with air inlet 25.
As shown in Figure 4, the combustion chamber 3 of general gas water heater of the present utility model is divided into several districts, and first, combustion zone 31---the chamber on flame top, burning back hot gas moves vertically upward; The second, the heat exchange uptake zone 32---and the district of chamber wall and top duct process is used for water is heated; Three, exhaust gas channel district 33---secondary tail gas is by secondary exhaust port 35, exhaust gas channel district 33 is discharged to outdoor, exhaust gas channel district 33 is provided with the waste heat that the heat exchange copper sheet is used to absorb tail gas, what have adds the blower fan forced-ventilated, the second-time burning of recycled offgas and utilization, do not increase special district, a zonal combustion, utilize the high temperature of primary combustion to make fuel gas second-time burning such as carbon monoxide and NO be converted into NO with burning for the first time
2, because fuel gas content such as carbon monoxide are few, this burning is the spontaneous combustion of nonflame.
3 tops are provided with an exhaust gas chamber 34 in the combustion chamber, exhaust gas chamber 34 is stored in its top as the baffle plate of ridge roof formula with tail gas, and the size of exhaust gas chamber 34 is fixed according to reality, and 3 one sides install a mixing chamber 26 additional in the combustion chamber, main mixed tail gas and air also play passage.
Fig. 5 is the internal structure schematic diagram at the place, combustion chamber of forced-ventilated gas water heater of the present utility model, between exhaust gas chamber 34 and mixing chamber 26, connect by offgas duct 24, install one on the offgas duct 24 additional by motor 37, two-tube and the stream axle center blower fan 39 that belt 38 drives, rotation speed of fan is 500～800 rev/mins, motor 37 drives exhaust fan 40 simultaneously, exhaust fan 40 is used for tail gas is discharged water heater, consult Fig. 6, the air hose 391 of two-tube and stream axle center blower fan 39 sucks the air in the external world, offgas duct 392 is inhaled tail gas, with tail gas and air and flow to into mixing chamber 26, air plays the effect that promotes exhaust combustion and reduces effects two-tube and stream axle center blower fan 39 temperature, impeller 42 two-tube and stream axle center blower fan 39 is driven by the motor in the forced-ventilated gas water heater 37, belt 38, belt pulley 41 connects drive, mist in the mixing chamber 26 is introduced combustion chamber 3 by pipeline, mist should slowly flow out (can branch many places flow out), flow export is positioned at 3 flame flame envelope tops, combustion chamber, 800～1000 ℃ of zones, mist flows out the back meets on the flame flame envelope that high temperature (800～1000 ℃) is located spontaneous combustion and expanded by heating upwards flows, attention: do not flow in the flame tail gas or flame base, because temperature is more than 1600 ℃ in the flame flame envelope, can make CO
2Cracking takes place produce CO, primary combustion is positioned at the right side of combustion chamber 3, combustion of mixed gas is positioned at the left side of combustion chamber 3, form the boundary of a nature therebetween, be called air curtain, the tail gas after the primary combustion enters exhaust gas chamber 34, and mist is through second-time burning, by secondary exhaust port 35, enter exhaust gas channel district 33 and discharge outdoor through Forced discharge fan.
The temperature in exhaust gas channel district 33 also has 120 ℃ to 130 ℃, can improve the efficiency of heating surface with entering water back 36 again behind the cold water pipes introducing absorption heat.
The tail gas circulation of general gas water heater is the same with the forced-ventilated gas water heater structure, does not just install exhaust fan 40 additional at 33 places, exhaust gas channel district.
In addition, also be provided with diaphragm type pressure-reducing valve 43 on the water channel 1, be used to make the water pressure invariableness of water supply line 1, also be provided with ultra high water pressure on the water channel 1 and unload and compress switch and emptier.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or distortion are not broken away from spirit and scope of the present utility model, if these changes and distortion belong within claim of the present utility model and the equivalent technologies scope, then the utility model also is intended to comprise these changes and distortion.
Claims (9)
1. full-automatic gas-fired water heater, comprise water channel, air supply channel, combustion chamber and outlet pipe, it is characterized in that: described air supply channel is divided into first air supply channel that is provided with the master control valve and second air supply channel that is provided with the micro-control valve, and described outlet pipe is provided with the hot-side temperature controller by water temperature control micro-control valve.
2. according to the described full-automatic gas-fired water heater of claim 1, it is characterized in that: also comprise being provided with the 3rd air supply channel that replenishes valve, described water channel is provided with the cold junction temperature controller that control replenishes valve.
3. according to the described full-automatic gas-fired water heater of claim 2, it is characterized in that: described hot-side temperature controller is a hot junction thermometer bulb controller, described hot junction thermometer bulb controller comprises can be with the hot junction thermometer bulb of temperature expansion and contraction, and described hot junction thermometer bulb is connected with the micro-control valve; Described cold junction temperature controller is a cold junction thermometer bulb controller, and described cold junction thermometer bulb controller comprises can be with the cold junction thermometer bulb of temperature expansion and contraction, and described cold junction thermometer bulb is connected with additional valve.
4. according to the described full-automatic gas-fired water heater of claim 1, it is characterized in that: described water channel is provided with the diaphragm type pressure-reducing valve.
5. according to the described full-automatic gas-fired water heater of claim 1, it is characterized in that: described water channel also is provided with superelevation water temperature water channel, its other end connects described outlet pipe, this superelevation water temperature water channel is provided with superelevation water temperature control valve, and this superelevation water temperature control valve is controlled by above-mentioned hot-side temperature controller.
6. according to each described full-automatic gas-fired water heater of claim 1 to 5, it is characterized in that: the exhaust outlet of described combustion chamber is provided with offgas duct, this offgas duct other end feeds this combustion chamber and carries out second-time burning, be provided with the tail gas outlet in combustion chamber second-time burning place, also be provided with air inlet on this offgas duct.
7. according to the described full-automatic gas-fired water heater of claim 6, it is characterized in that: described fuel chamber top is provided with exhaust gas chamber, and above-mentioned offgas duct is connected with this exhaust gas chamber.
8. according to the described full-automatic gas-fired water heater of claim 7, it is characterized in that: described fuel chamber is provided with mixing chamber, and this mixing chamber one end connects offgas duct, and the other end connects the combustion chamber.
9. described according to Claim 8 full-automatic gas-fired water heater is characterized in that: described offgas duct is provided with and can and flows to into the two-tube of mixing chamber and stream axle center blower fan tail gas and air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201340667U CN201662202U (en) | 2010-03-15 | 2010-03-15 | Fully automatic gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201340667U CN201662202U (en) | 2010-03-15 | 2010-03-15 | Fully automatic gas water heater |
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| Publication Number | Publication Date |
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| CN201662202U true CN201662202U (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201340667U Expired - Fee Related CN201662202U (en) | 2010-03-15 | 2010-03-15 | Fully automatic gas water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782268A (en) * | 2010-03-15 | 2010-07-21 | 钟献开 | Full-automatic gas water heater |
| CN105333463A (en) * | 2014-08-11 | 2016-02-17 | 关隆股份有限公司 | Combustion control method for gas appliance |
-
2010
- 2010-03-15 CN CN2010201340667U patent/CN201662202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782268A (en) * | 2010-03-15 | 2010-07-21 | 钟献开 | Full-automatic gas water heater |
| CN105333463A (en) * | 2014-08-11 | 2016-02-17 | 关隆股份有限公司 | Combustion control method for gas appliance |
| CN105333463B (en) * | 2014-08-11 | 2018-10-26 | 关隆股份有限公司 | The method for controlling combustion of gas |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20120315 |