CN112128985A - Gas water heater's gas adjusting device and gas water heater that has it - Google Patents
Gas water heater's gas adjusting device and gas water heater that has it Download PDFInfo
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- CN112128985A CN112128985A CN201910557051.7A CN201910557051A CN112128985A CN 112128985 A CN112128985 A CN 112128985A CN 201910557051 A CN201910557051 A CN 201910557051A CN 112128985 A CN112128985 A CN 112128985A
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- gas
- water heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a gas regulating device of a gas water heater and the gas water heater with the same, wherein the gas regulating device of the gas water heater comprises: the air-fuel mixing part comprises a mixing cavity and a fuel gas cavity formed by extending from the mixing cavity, an air inlet and a mixed gas outlet are formed in the mixing cavity, an air hole is formed at the joint of the mixing cavity and the fuel gas cavity, and the air hole is communicated with the inner space of the mixing cavity and the inner space of the fuel gas cavity; the on-off valve has an open state and a closed state, avoids the air hole when in the open state, and at least blocks one part of the air hole when in the closed state; and the controller is electrically connected with the on-off valve so as to control the on-off valve to be switched between an opening state and a closing state. The gas regulating device of the gas water heater provided by the embodiment of the invention has the advantages of small occupied space, good regulating effect and the like.
Description
Technical Field
The invention relates to the technical field of electric appliance manufacturing, in particular to a gas regulating device of a gas water heater and the gas water heater with the gas regulating device of the gas water heater.
Background
The gas heater in the correlation technique utilizes the heat preparation hot water that the mist burning of gas and air produced, and the gas heater passes through the air input of gas proportional valve regulation gas, because the inlet pressure of gas easily takes place to stir, influences the regulation accuracy of gas proportional valve to gas easily, easily causes the burning unstability of the mist of gas and air, leads to hydrothermal play the water difference in temperature great, influences gas heater's working property, influences user's use travelling comfort.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the gas regulating device of the gas water heater, and the gas regulating device of the gas water heater has the advantages of small occupied space, good regulating effect and the like.
The invention also provides a gas water heater with the gas adjusting device of the gas water heater.
To achieve the above object, an embodiment according to a first aspect of the present invention provides a gas regulating device of a gas water heater, including: the air-fuel mixing part comprises a mixing cavity and a fuel gas cavity formed by extending from the mixing cavity, an air inlet and a mixed gas outlet are formed in the mixing cavity, an air hole is formed at the joint of the mixing cavity and the fuel gas cavity, and the air hole is communicated with the inner space of the mixing cavity and the inner space of the fuel gas cavity; an on-off valve having an open state and a closed state, the on-off valve avoiding the air hole when in the open state, the on-off valve blocking at least a portion of the air hole when in the closed state; a controller electrically connected with the on-off valve to control the on-off valve to switch between the open state and the closed state.
The gas regulating device of the gas water heater provided by the embodiment of the invention has the advantages of small occupied space, good regulating effect and the like.
In addition, the gas regulating device of the gas water heater according to the above embodiment of the present invention may further have the following additional technical features:
according to some embodiments of the invention, the air hole comprises a first air hole and a second air hole, the first air hole and the second air hole are arranged at a distance, the on-off valve is arranged to avoid the first air hole when in the open state, and the on-off valve is arranged to block the first air hole when in the closed state.
According to some embodiments of the invention, the first air hole is located at the center, and the second air holes are multiple and arranged at intervals along the circumferential direction of the first air hole.
According to some embodiments of the present invention, each of the second air holes is equally spaced from the first air hole, and the plurality of second air holes are equally spaced in a circumferential direction of the first air hole.
According to some embodiments of the invention, the first air hole is circumferentially surrounded by a closure plate, the on-off valve being adapted to rest against the closure plate to close the first air hole.
According to some embodiments of the invention, the gas cavity further has a mounting opening through which at least a portion of the on-off valve extends into the gas cavity, the mounting opening being provided with a mounting seat on which the on-off valve is mounted.
According to some embodiments of the invention, the air inlet is located at one end of the mixing chamber and the mixture outlet is located at the other end of the mixing chamber.
According to some embodiments of the present invention, the gas regulating device of the gas water heater further includes a sleeve, one end of the sleeve is installed at the air inlet and is attached to the inner wall of the air inlet, the other end of the sleeve extends into the mixing cavity, and the outer peripheral surface of the sleeve is spaced from the air hole.
According to some embodiments of the invention, the other end of the sleeve protrudes into the mixing cavity and the sleeve spans the air hole.
According to some embodiments of the invention, the upper end of the sleeve has a retaining ring land with a retaining ring groove at the air inlet, the retaining ring land being adapted to fit within the retaining ring groove.
An embodiment according to the second aspect of the invention proposes a gas water heater comprising a gas regulating device of the gas water heater according to an embodiment of the first aspect of the invention.
According to some embodiments of the invention, the gas water heater further comprises: a housing; a fan assembly disposed within the housing; the proportional valve is arranged in the shell and is respectively communicated with the fuel gas inlet and the fuel gas source; and the detection device is used for detecting the temperature of the water and is arranged in the shell.
According to some embodiments of the invention, the fan assembly comprises: a housing; the cover plate and the shell define an accommodating cavity, and the gas regulating device is arranged on the cover plate; the fan is arranged in the accommodating cavity.
According to the gas water heater provided by the embodiment of the invention, by utilizing the gas adjusting device of the gas water heater provided by the embodiment of the first aspect of the invention, the gas adjusting device has the advantages of small occupied space, good adjusting effect and the like.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a gas regulating device of a gas water heater according to an embodiment of the invention.
Fig. 2 is an exploded view of a gas regulating device of a gas water heater according to an embodiment of the present invention.
Fig. 3 is an exploded view of a gas regulating device of a gas water heater according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a gas regulating device of a gas water heater according to an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a gas regulating device of a gas water heater according to an embodiment of the invention.
Fig. 6 is a cross-sectional view of a gas regulating device of a gas water heater according to one embodiment of the present invention.
Fig. 7 is a cross-sectional view of a gas register of a gas water heater according to one embodiment of the present invention.
Fig. 8 is a cross-sectional view of a gas regulating device of a gas water heater according to one embodiment of the present invention.
Fig. 9 is a sectional view of a gas regulating device of a gas water heater according to another embodiment of the present invention.
Fig. 10 is a sectional view of a gas regulating device of a gas water heater according to another embodiment of the present invention.
Reference numerals: the fuel gas adjusting device comprises a fuel gas adjusting device 1, an air-fuel mixing part 100, a mixing cavity 110, an air inlet 111, a mixed gas outlet 112, a positioning ring groove 113, a fuel gas cavity 120, a mounting port 121, a mounting seat 122, a pressure measuring hole 123, a fuel gas inlet 125, a first air hole 131, a second air hole 132, a coaming 140, an on-off valve 200, a sealing element 210, a sleeve 300, a positioning ring platform 310 and a cover plate 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A gas adjusting device 1 of a gas water heater according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 10, a gas adjusting apparatus 1 of a gas water heater according to an embodiment of the present invention includes an air-fuel mixing portion 100, an on-off valve 200, and a controller.
The air-fuel mixing part 100 includes a mixing chamber 110 and a gas chamber 120 formed by extending from the mixing chamber 110, an air inlet 111 and a mixed air outlet 112 are formed on the mixing chamber 110, and an air hole is formed at the connection part of the mixing chamber 110 and the gas chamber 120, and the air hole communicates with the inner space of the mixing chamber 110 and the inner space of the gas chamber 120. The on-off valve 200 has an open state in which the on-off valve 200 avoids the air hole and a closed state in which the on-off valve 200 blocks at least a part of the air hole. The controller is electrically connected to the on-off valve 200 to control the on-off valve 200 to switch between the open state and the closed state.
According to the gas regulating device 1 of the gas water heater of the embodiment of the invention, by arranging the air-fuel mixing part 100, the on-off valve 200 and the controller, the controller can be used for controlling the working state of the on-off valve 200, so that the on-off valve 200 is switched between the opening state and the closing state, and the on-off valve 200 is convenient to avoid the air hole or at least block part of the air hole.
The flow area of the gas between the mixing cavity 110 and the gas cavity 120 can be controlled according to specific needs, for example, when the gas pressure is large, the on-off valve 200 can be used for avoiding the gas hole, so that a large flow area is formed between the mixing cavity 110 and the gas cavity 120, the pressure of the gas flowing through the gas adjusting device 1 can be reduced, when the gas pressure is small, the on-off valve 200 can be used for plugging one part of the gas hole, and a small flow area is formed between the mixing cavity 110 and the gas cavity 120, so that the pressure of the gas flowing through the gas adjusting device 1 can be increased.
Therefore, the pressure of the gas flowing through the gas adjusting device 1 can be adjusted by the gas adjusting device 1, the pressure of the gas flowing through the gas adjusting device 1 can be controlled within a certain pressure range, the pressure of the gas flowing through the gas adjusting device 1 is prevented from being too low or too high, the gas water heater can adjust the gas inflow of the gas conveniently, for example, the gas water heater adjusts the gas inflow by using a proportional valve, but the proportional valve can achieve better adjusting performance only within a certain gas pressure range, so that the proportional valve is convenient to be within a proper gas pressure adjusting range, the proportional valve is convenient to accurately adjust the gas inflow of the gas, the adjusting precision of the proportional valve on the gas inflow of the gas is improved, the gas inflow stability and reliability of the gas are improved, the gas and the air can reach a proper proportional relation, and the mixed gas of the gas and the air can be combusted fully, the combustion efficiency of the mixed gas is improved, the preparation efficiency of hot water is improved, the water outlet stability of the hot water is improved, the use comfort of a user is improved, the emission of harmful gas in tail gas can be reduced, and the environmental protection performance of the gas water heater is improved.
And, through setting up air-fuel mixture portion 100, on-off valve 200 and the controller, utilize on-off valve 200 control to mix the size of flow area between cavity 110 and the gas cavity 120, compare the mode that adopts the branch gas pole to adjust gas pressure among the correlation technique, gas adjusting device 1's whole size is littleer to the shared installation space of gas adjusting device 1 is littleer, need not reserve sufficient installation space for gas adjusting device 1, can be convenient for the installation setting of gas adjusting device 1, makes gas water heater's structure is reasonable compact more, improves the inside space utilization of gas water heater, thereby is convenient for control gas water heater's volume reduces gas water heater's occupation space.
In addition, compare the mode that utilizes venturi to realize air and gas mixture among the correlation technique, because venturi is difficult to realize the stable regulation of gas when gas pressure is great or gas pressure is less, easily causes the mixed gas burning's of gas and air unstability, makes hot water leaving water temperature deviation great, and venturi structure is complicated, and the processing degree of difficulty is big, and the assemble duration is long. Gas adjusting device 1 not only can make the air input of gas and the intake of air have accurate proportional relation like this, improves the stability and the reliability of the mist burning of gas and air, improves gas heater's operational reliability is convenient for moreover gas heater's manufacturing improves gas heater's production efficiency reduces gas heater's manufacturing cost.
Therefore, the gas regulating device 1 of the gas water heater according to the embodiment of the invention has the advantages of small occupied space, good regulating effect and the like.
A gas regulating device 1 of a gas water heater according to a specific embodiment of the present invention will be described below with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1 to 10, a gas adjusting apparatus 1 of a gas water heater according to an embodiment of the present invention includes an air-fuel mixing portion 100, an on-off valve 200, and a controller.
Specifically, as shown in fig. 6, one end of the gas chamber 120 has a gas inlet 125, and the gas inlet 125 is communicated with a gas source of gas. Therefore, the gas can smoothly flow into the gas adjusting device 1, and the pressure of the gas in the gas adjusting device 1 can be adjusted by the gas adjusting device 1.
According to some embodiments of the present invention, as shown in fig. 4, the air holes include a first air hole 131 and a second air hole 132, the first air hole 131 is spaced apart from the second air hole 132, the on-off valve 200 is configured to be disposed to be away from the first air hole 131 in the open state, and the on-off valve 200 is configured to close the first air hole 131 in the closed state. Therefore, the gas is conveniently and smoothly introduced into the gas regulating device 1, the normal work of the gas water heater is guaranteed, the gas circulation area at the gas hole can be regulated by avoiding or blocking the first gas hole 131 through the on-off valve 200, the pressure of the gas in the gas regulating device 1 is convenient to regulate, and the working reliability and stability of the gas water heater are improved.
Specifically, the junction of the gas chamber 120 and the mixing chamber 110 is partitioned by a peripheral wall of the mixing chamber 110, on which the first and second air holes 131 and 132 are formed, respectively. This facilitates not only the formation of the first and second air holes 131 and 132 and the improvement of the processing efficiency of the first and second air holes 131 and 132, but also the control of the opening and closing of the first air hole 131 by the on-off valve 200.
Alternatively, as shown in fig. 4, the first air hole 131 is located at the center, and the second air holes 132 are plural and are arranged at intervals along the circumferential direction of the first air hole 131. The on-off valve 200 opens or blocks the first air hole 131, so that the gas adjusting device 1 can adjust the pressure of the gas in the gas adjusting device 1, and the adjusting effect of the gas water heater on the gas air inflow is improved.
Specifically, each of the second air holes 132 is equally spaced from the first air hole 131, and the plurality of second air holes 132 are equally spaced in the circumferential direction of the first air hole 131. This can make the distribution of second gas pocket 132 more even to the air current is more even when making the gas flow into mixing cavity 110 from gas cavity 120, is convenient for make gas adjusting device 1's atress more even, improves gas adjusting device 1's structural stability.
According to other embodiments of the present invention, the air holes include a first air hole 131 and a second air hole 132, the first air hole 131 and the second air hole 132 are disposed at a distance, the on-off valve 200 is disposed to be spaced from the first air hole 131 and the second air hole 132 in the open state, and the on-off valve 200 is disposed to block a portion of the first air hole 131 and the second air hole 132 in the closed state. Therefore, the on-off valve 200 can be used for avoiding or blocking a part of the first air hole 131 and the second air hole 132 to realize the adjustment of the gas flow area at the air holes, so that the adjusting effect of the gas adjusting device 1 on the gas pressure in the gas adjusting device 1 is improved, and the pressure adjusting performance of the gas adjusting device 1 is improved.
Alternatively, as shown in fig. 6, the first air hole 131 is circumferentially surrounded by a shroud 140, and the on-off valve 200 is adapted to stop against the shroud 140 to close the first air hole 131. The on-off valve 200 of being convenient for realizes the switching of first gas pocket 131 through dodging or shutoff bounding wall 140 like this, and it is right not only to be convenient for the on-off valve 200 the gas pocket concurrent area adjusts, is convenient for improve the sealed effect of on-off valve 200 to first gas pocket 131 moreover, further improves gas adjusting device 1's operational reliability.
Further, one end of the enclosing plate 140 is connected to the outer peripheral wall of the mixing chamber 110, and the other end extends away from the outer peripheral wall. Further, the shroud 140 is integrally formed with the mixing chamber 110. This facilitates the provision of the shroud 140 and further facilitates the sealing of the first air hole 131 by the on-off valve 200.
Specifically, as shown in fig. 3, the gas chamber 120 further has a mounting opening 121, at least a portion of the on-off valve 200 extends into the gas chamber 120 through the mounting opening 121, a mounting seat 122 is disposed at the mounting opening 121, and the on-off valve 200 is mounted on the mounting seat 122. Therefore, the on-off valve 200 can be conveniently installed, the flow area of the air hole can be further conveniently adjusted by using the on-off valve 200, and the adjusting effect of the gas adjusting device 1 on the gas pressure in the gas adjusting device 1 can be improved.
More specifically, the mount 122 is integrally formed with the gas chamber 120. This facilitates the simplification of the assembly process of the gas adjusting device 1 and improves the production efficiency of the gas adjusting device 1.
Further, the mounting port 121 is disposed opposite to the air hole. This facilitates opening or closing the air hole by the on-off valve 200, and improves the reliability of adjusting the flow area of the air hole by the on-off valve 200.
Optionally, as shown in fig. 4, the gas chamber 120 further has a pressure measuring hole 123 to measure the gas pressure of the gas in the gas chamber 120 through the pressure measuring hole 123. Therefore, the pressure measuring hole 123 can be used for measuring the gas pressure of the gas in the gas cavity 120, so that the gas pressure of the gas in the gas cavity 120 can be conveniently and accurately determined, and the flow area of the gas hole can be further conveniently adjusted.
Specifically, as shown in fig. 6, the air inlet 111 is located at one end of the mixing chamber 110, and the mixture outlet 112 is located at the other end of the mixing chamber 110. Therefore, the processing and forming of the air inlet 111 and the mixed gas outlet 112 are facilitated, the mixed gas of the air and the fuel gas is formed in the mixing cavity 110 conveniently, the mixed gas of the air and the fuel gas flows out through the mixed gas outlet 112 conveniently, and the working performance of the fuel gas adjusting device 1 is further improved conveniently.
More specifically, as shown in fig. 2, the gas regulator 1 further includes a sleeve 300, one end of the sleeve 300 is installed at the air inlet 111 and is closely attached to the inner wall of the air inlet 111, the other end of the sleeve 300 extends into the mixing cavity 110, and the outer peripheral surface of the sleeve 300 is spaced from the air hole. Not only can utilize sleeve 300 to carry out the water conservancy diversion to the flow of air and gas like this, the air of being convenient for and gas form mist in mixing cavity 110, and the mist of being convenient for smoothly flows out from mist export 112, can avoid sleeve 300 to be right moreover the gas pocket shelters from, and the gas of being convenient for passes through the gas pocket smoothly flows into mixing cavity 110, can prevent to set up sleeve 300 and influence the normal flow of gas.
Further, as shown in fig. 7, the other end of the sleeve 300 extends into the mixing chamber 110 and the sleeve 300 spans the air hole. Therefore, smooth inflow of fuel gas can be facilitated, the fuel gas can be prevented from flowing out through the air inlet 111, leakage of the fuel gas is avoided, and the working reliability of the fuel gas adjusting device 1 is further improved.
Optionally, the air hole is located between the air inlet 111 and the mixture outlet 112 in the length direction of the mixing chamber 110. Not only be convenient for like this air and gas mix in mixing cavity 110, the further gas mixture of being convenient for smoothly flows out from gas mixture export 112, is convenient for moreover gas pocket, air intlet 111 and gas mixture export 112's setting is avoided mutual interference between gas pocket, air intlet 111 and the gas mixture export 112, the further gas adjusting device 1 of being convenient for smoothly carries out work.
Specifically, as shown in fig. 7, one of the sleeve 300 and the mixing cavity 110 has a retaining ring land 310 and the other has a retaining ring groove 113, the retaining ring land 310 being adapted to fit within the retaining ring groove 113. Therefore, the positioning ring platform 310 and the positioning ring groove 113 can be utilized to position the installation of the sleeve 300, the smooth installation of the sleeve 300 is facilitated, the assembly efficiency of the sleeve 300 is improved, the connection part of the sleeve 300 and the mixing cavity 110 is sealed conveniently, and the sealing effect between the sleeve 300 and the mixing cavity 110 is improved.
More specifically, as shown in FIG. 7, the upper end of the sleeve 300 has a retaining ring land 310, the air inlet 111 has a retaining ring groove 113, and the retaining ring land 310 is adapted to fit within the retaining ring groove 113. Therefore, the sleeve 300 can be smoothly installed on the mixing cavity 110, the assembling effect of the gas adjusting device 1 is further improved, the joint between the sleeve 300 and the mixing cavity 110 is further conveniently sealed, the sealing reliability between the sleeve 300 and the mixing cavity 110 is improved, the leakage of gas is avoided, and the working reliability of the gas adjusting device 1 is further improved.
Alternatively, the on-off valve 200 is a solenoid valve. Therefore, the electric control of the on-off valve 200 can be realized, the on-off valve 200 can be conveniently controlled to control the opening and closing of the first air hole 131, the control reliability and stability of the on-off valve 200 are improved, and the sensitivity and accuracy of the controller for controlling the on-off valve 200 are improved due to the high response speed of the electromagnetic valve, so that the on-off valve 200 can be further conveniently controlled to open and close the first air hole 131, and the reliability of function switching of the gas adjusting device 1 can be conveniently improved.
Specifically, as shown in fig. 7, the on-off valve 200 includes a sealing member 210, so that the sealing member 210 can be used to seal the first air hole 131, thereby improving the sealing effect of the on-off valve 200 on the first air hole 131. Meanwhile, when the on-off valve 200 is in the closed state, the sealing member 210 is in a gas-extruded state, which is beneficial to improving the sealing effect of the sealing member 210.
According to an embodiment of the present invention, the gas regulating device 1 includes an air-fuel mixing portion 100, an on-off valve 200 and the controller, the air-fuel mixing portion 100 includes a mixing cavity 110 and a gas cavity 120 formed by extending from the mixing cavity 110, the mixing cavity 110 is formed with an air inlet 111 and a mixed air outlet 112, and the connection between the mixing cavity 110 and the gas cavity 120 forms an air hole communicating the inner space of the mixing cavity 110 and the inner space of the gas cavity 120. The on-off valve 200 has an open state in which the on-off valve 200 avoids the air hole and a closed state in which the on-off valve 200 blocks at least a part of the air hole. The controller is electrically connected to the on-off valve 200 to control the on-off valve 200 to switch between the open state and the closed state.
One end of the gas cavity 120 has a gas inlet 125, and the gas inlet 125 is communicated with a gas source of gas. The air holes comprise a first air hole 131 and a second air hole 132, the first air hole 131 and the second air hole 132 are arranged at intervals, the on-off valve 200 avoids the first air hole 131 when in the open state, and the on-off valve 200 blocks the first air hole 131 when in the closed state. The junction of the gas chamber 120 and the mixing chamber 110 is partitioned by a peripheral wall of the gas chamber 120, on which the first and second air holes 131 and 132 are formed, respectively. The first air hole 131 is located at the center, and the second air holes 132 are plural and are arranged at intervals along the circumferential direction of the first air hole 131. The distance between each second air hole 132 and the first air hole 131 is equal, and the plurality of second air holes 132 are arranged at equal intervals along the circumferential direction of the first air holes 131.
The first air hole 131 is circumferentially surrounded by a shroud 140, and the on-off valve 200 is adapted to stop against the shroud 140 to close the first air hole 131. The shroud 140 has one end connected to the peripheral wall of the mixing chamber 110 and the other end extending away from the peripheral wall. The shroud 140 is integrally formed with the mixing chamber 110.
The gas chamber 120 further has a mounting opening 121, at least a portion of the on-off valve 200 extends into the gas chamber 120 through the mounting opening 121, a mounting seat 122 is disposed at the mounting opening 121, and the on-off valve 200 is mounted on the mounting seat 122. The mount 122 is integrally formed with the gas chamber 120. The mounting opening 121 is disposed opposite to the air hole.
The gas chamber 120 further has a pressure measuring hole 123 to measure the pressure of the gas in the gas chamber 120 through the pressure measuring hole 123. The air inlet 111 is located at one end of the mixing chamber 110, and the mixture outlet 112 is located at the other end of the mixing chamber 110. The gas adjusting device 1 further comprises a sleeve 300, one end of the sleeve 300 is installed at the air inlet 111 and is tightly attached to the inner wall of the air inlet 111, the other end of the sleeve 300 extends into the mixing cavity 110, and the outer peripheral surface of the sleeve 300 and the air holes are arranged at intervals. The other end of the sleeve 300 extends into the mixing chamber 110 and the sleeve 300 spans the air holes. The air hole is located between the air inlet 111 and the mixture outlet 112 in the length direction of the mixing chamber 110. The upper end of the sleeve 300 has a retaining ring land 310, the air inlet 111 has a retaining ring groove 113, and the retaining ring land 310 is adapted to fit within the retaining ring groove 113. The on-off valve 200 is a solenoid valve. The on-off valve 200 includes a seal 210.
A gas water heater according to an embodiment of the present invention is described below. The gas water heater according to the embodiment of the present invention includes the gas adjusting device 1 of the gas water heater according to the above-described embodiment of the present invention.
Specifically, the gas water heater further comprises: a housing; a fan assembly disposed within the housing; the proportional valve is arranged in the shell and is respectively communicated with the fuel gas inlet and the fuel gas source; and the detection device is used for detecting the temperature of the water and is arranged in the shell. The reliable input of air and gas of being convenient for like this is convenient for control the air input of air and the air input of gas respectively, is convenient for make air and gas have suitable ratio scope, and the gas of not only being convenient for carries out abundant burning, improves the combustion efficiency of gas, improves gas heater prepares hydrothermal efficiency, is convenient for reduce the harmful substance in the tail gas moreover, is convenient for protect natural environment, improves gas heater's feature of environmental protection ability. Meanwhile, the proportional relation of air and gas is convenient to determine according to the detection value of the detection device, and the working reliability of the gas water heater is further improved.
More specifically, the fan assembly includes: a housing; the cover plate 2 and the shell define an accommodating cavity, and the gas regulating device 1 is arranged on the cover plate 2; the fan is arranged in the accommodating cavity. So not only the installation setting of the gas adjusting device 1 of being convenient for reduces and sets up the required installation space of gas adjusting device 1, improves gas heater's compact structure nature and rationality are convenient for send into the mist of air and gas moreover hold the intracavity and carry out the intensive mixing.
According to one embodiment of the invention, the gas regulating device 1 is formed integrally with the cover plate 2. Not only can simplify like this gas heater's structure, simplify gas heater's assembly process improves gas heater's production efficiency can improve gas adjusting device 1's structural strength moreover, improves gas adjusting device 1's stability and reliability of setting up, improves gas adjusting device 1's leakproofness.
According to another embodiment of the invention, the cover plate 2 has a mounting flange to which the gas regulating device 1 is mounted by means of a threaded connection. So not only can be convenient for gas adjusting device 1's installation setting, can firmly install gas adjusting device 1 on apron 2 moreover, guarantee gas adjusting device 1 and apron 2 between fixed connection's reliability and stability. Meanwhile, when the gas adjusting device 1 breaks down, the gas adjusting device can be replaced and maintained quickly, and the maintenance cost of the gas adjusting device 1 is reduced.
Specifically, the controller is electrically connected with the on-off valve 200, the proportional valve and the detection device respectively, so as to control the ventilation amount of the proportional valve and the on-off of the on-off valve 200 according to the detection value of the detection device. Therefore, the controller is further convenient to control the air inflow of the fuel gas, and the air inflow stability of the fuel gas is improved.
According to the gas water heater of the embodiment of the invention, by utilizing the gas adjusting device 1 of the gas water heater of the embodiment of the invention, the gas adjusting device 1 has the advantages of small occupied space, good adjusting effect and the like.
Other constructions and operations of gas water heaters according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. A gas regulating device for a gas water heater, comprising:
the air-fuel mixing part comprises a mixing cavity and a fuel gas cavity formed by extending from the mixing cavity, an air inlet and a mixed gas outlet are formed in the mixing cavity, an air hole is formed at the joint of the mixing cavity and the fuel gas cavity, and the air hole is communicated with the inner space of the mixing cavity and the inner space of the fuel gas cavity;
an on-off valve having an open state and a closed state, the on-off valve avoiding the air hole when in the open state, the on-off valve blocking at least a portion of the air hole when in the closed state;
a controller electrically connected with the on-off valve to control the on-off valve to switch between the open state and the closed state.
2. The gas regulating device of the gas water heater according to claim 1, wherein the gas hole includes a first gas hole and a second gas hole, the first gas hole and the second gas hole are arranged at an interval, the on-off valve is set to avoid the first gas hole in the open state, and the on-off valve is set to block the first gas hole in the closed state.
3. The gas regulating device of the gas water heater as claimed in claim 2, wherein the first air hole is centrally located, and the second air holes are plural and arranged at intervals along a circumferential direction of the first air hole.
4. The gas regulating device for a gas water heater according to claim 2, wherein each of said second air holes is equally spaced from said first air hole, and a plurality of said second air holes are equally spaced in a circumferential direction of said first air hole.
5. A gas regulating device for a gas water heater according to claim 2, wherein said first gas hole is circumferentially surrounded by a shroud, said on-off valve being adapted to stop against said shroud to close said first gas hole.
6. The gas regulating device of the gas water heater according to claim 1, wherein the gas chamber further has a mounting opening, at least a portion of the on-off valve extends into the gas chamber through the mounting opening, a mounting seat is provided at the mounting opening, and the on-off valve is mounted on the mounting seat.
7. The gas regulating device of a gas water heater according to claim 1, wherein said air inlet is located at one end of said mixing chamber and said mixture outlet is located at the other end of said mixing chamber.
8. The gas regulating device of the gas water heater according to claim 1, further comprising a sleeve, wherein one end of the sleeve is mounted at the air inlet and closely attached to the inner wall of the air inlet, the other end of the sleeve extends into the mixing cavity, and the outer peripheral surface of the sleeve and the air hole are arranged at intervals.
9. The gas regulating device of a gas water heater as recited in claim 8, wherein the other end of said sleeve extends into said mixing chamber and said sleeve spans said gas orifice.
10. The gas register of a gas water heater as set forth in claim 8, wherein said sleeve has a retaining ring land at an upper end thereof, said air inlet having a retaining ring groove therein, said retaining ring land being adapted to fit within said retaining ring groove.
11. Gas water heater characterized in that it comprises a gas regulating device of a gas water heater according to any one of claims 1-10.
12. The gas water heater of claim 11, further comprising:
a housing;
a fan assembly disposed within the housing;
the proportional valve is arranged in the shell and is respectively communicated with the fuel gas inlet and the fuel gas source;
and the detection device is used for detecting the temperature of the water and is arranged in the shell.
13. The gas water heater of claim 12, wherein the fan assembly comprises:
a housing;
the cover plate and the shell define an accommodating cavity, and the gas regulating device is arranged on the cover plate;
the fan is arranged in the accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557051.7A CN112128985A (en) | 2019-06-25 | 2019-06-25 | Gas water heater's gas adjusting device and gas water heater that has it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557051.7A CN112128985A (en) | 2019-06-25 | 2019-06-25 | Gas water heater's gas adjusting device and gas water heater that has it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112128985A true CN112128985A (en) | 2020-12-25 |
Family
ID=73849747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910557051.7A Pending CN112128985A (en) | 2019-06-25 | 2019-06-25 | Gas water heater's gas adjusting device and gas water heater that has it |
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| CN (1) | CN112128985A (en) |
Citations (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2752663A1 (en) * | 1977-11-25 | 1979-05-31 | Haller Meurer Werke Ag | Gas burner automatic air-fuel ratio regulating equipment - has thermostatic unit controlling gas valve, linked airflow control flap |
| JPS557975A (en) * | 1978-07-04 | 1980-01-21 | Aisan Ind Co Ltd | Mixed air supplying sytem in engine |
| JPS5596329A (en) * | 1979-01-17 | 1980-07-22 | Toyota Motor Corp | Fuel discharge device |
| US4960377A (en) * | 1989-05-17 | 1990-10-02 | Gas Research Insitute | Gas/air mixing valve |
| JPH09296750A (en) * | 1996-05-02 | 1997-11-18 | Kubota Corp | Gas-fueled engine having pressure regulator |
| CN2369066Y (en) * | 1998-06-17 | 2000-03-15 | 张木树 | Control valve for regulating gas flow by air pressure |
| TW570129U (en) * | 2003-05-23 | 2004-01-01 | Jiun-Cheng Huang | Motor type proportional regulation and shutoff valve |
| CN1480675A (en) * | 2003-07-17 | 2004-03-10 | 浙江春晖智能控制股份有限公司 | Gas-fired proportional controller for supplying heat safely |
| CN2625664Y (en) * | 2003-05-29 | 2004-07-14 | 卢志雪 | Motor type proportion regulating and blocking valve |
| JP2005083717A (en) * | 2003-09-11 | 2005-03-31 | Asahi Seisakusho Co Ltd | Dimethyl ether combustor |
| TWM275324U (en) * | 2005-02-04 | 2005-09-11 | Jiun-Cheng Huang | Dual-diaphragm proportional pressure control valve for main valve |
| CN2740916Y (en) * | 2004-10-25 | 2005-11-16 | 潘兆铿 | Flow-adjustable air valve with double close |
| US20060075993A1 (en) * | 2004-10-13 | 2006-04-13 | Denso Corporation | Fuel pressure regulation valve |
| CN1975253A (en) * | 2006-12-13 | 2007-06-06 | 中山华帝燃具股份有限公司 | Burner for realizing air-gaseous fuel fixed proportional distribution and distributing method thereof |
| TWM354057U (en) * | 2008-11-07 | 2009-04-01 | Jia-Song Zhuang | A cock valve for controlling fuel gas |
| CN201280983Y (en) * | 2008-11-04 | 2009-07-29 | 深圳市金奇稀土电机有限公司 | Fuel conveying device for small-sized gas engine |
| CN201568582U (en) * | 2009-12-31 | 2010-09-01 | 王念洲 | Fuel output valve |
| CN202036942U (en) * | 2011-04-27 | 2011-11-16 | 霍山东科科技开发有限公司 | Adjustable gas mixer |
| CN202252203U (en) * | 2011-09-20 | 2012-05-30 | 美的集团有限公司 | Gas control valve |
| CN202521003U (en) * | 2012-02-21 | 2012-11-07 | 郑州郑燃调压控制技术有限公司 | Gas pressure regulator |
| CN203258095U (en) * | 2013-04-22 | 2013-10-30 | 广州市精鼎电器科技有限公司 | Fuel gas control ratio adjustment and pressure stability control device |
| CN103603747A (en) * | 2013-08-10 | 2014-02-26 | 蒙国宁 | Intake pressure balancing adjuster for supercharged and intercooled gas engine |
| CN103742915A (en) * | 2014-01-09 | 2014-04-23 | 艾欧史密斯(中国)热水器有限公司 | Multi-cavity gas-air mixing device |
| CN203718845U (en) * | 2014-01-10 | 2014-07-16 | 王大成 | Gas-air proportionally-mixed device and Chinese meal furnace |
| CN103994581A (en) * | 2014-05-04 | 2014-08-20 | 广东万和新电气股份有限公司 | Fully-premixed combustion water heater with gas inlet device |
| CN203907683U (en) * | 2014-05-07 | 2014-10-29 | 邵信宏 | Fully premixed combustion stove |
| CN104296392A (en) * | 2014-10-17 | 2015-01-21 | 广东万和新电气股份有限公司 | Gas water heating device capable of realizing self-adaptive fully-premixed combustion |
| CN104728840A (en) * | 2015-04-10 | 2015-06-24 | 合肥依科普工业设备有限公司 | Self-gasification combustor |
| CN205190914U (en) * | 2015-12-15 | 2016-04-27 | 河北欧意诺燃气设备有限公司 | Magnetism helping hand gas pressure regulator |
| CN205207817U (en) * | 2015-12-18 | 2016-05-04 | 河北欧意诺燃气设备有限公司 | Case steady voltage gas pressure regulator |
| CN205350710U (en) * | 2016-01-29 | 2016-06-29 | 北京市燃气集团有限责任公司 | Gas pipeline tapping shutoff pressure equaliser |
| CN205481687U (en) * | 2016-01-06 | 2016-08-17 | 胡桂林 | Gaseous induction type self -adaptation of arranging waterway system in heating device that thoughtlessly burns in advance |
| CN205783717U (en) * | 2016-05-13 | 2016-12-07 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN205980265U (en) * | 2016-05-13 | 2017-02-22 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN206410177U (en) * | 2016-12-26 | 2017-08-15 | 中山市思源电器有限公司 | A kind of automatically controlled kitchen range proportioning valve of stable flow type |
| CN107084075A (en) * | 2017-06-28 | 2017-08-22 | 哈尔滨工程大学 | A kind of anti-reverse integrated form intersects annular groove gaseous fuel jet mixing device |
| CN107131074A (en) * | 2017-06-28 | 2017-09-05 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device with piezo actuator |
| CN206874891U (en) * | 2017-01-17 | 2018-01-12 | 云南振楠科技有限公司 | A kind of home pipeline multiple exit gas pressure regulating valve |
| CN107606223A (en) * | 2017-08-15 | 2018-01-19 | 日丰企业（佛山）有限公司 | Safety valves for gas |
| CN107850300A (en) * | 2015-08-18 | 2018-03-27 | 林内株式会社 | Burner |
| CN108006946A (en) * | 2016-12-30 | 2018-05-08 | 芜湖美的厨卫电器制造有限公司 | Gas heater and gas heater method for controlling combustion |
| CN108194693A (en) * | 2018-02-07 | 2018-06-22 | 芜湖美的厨卫电器制造有限公司 | Gas proportion valve module and gas heater |
| CN208107282U (en) * | 2017-09-21 | 2018-11-16 | 河北永良燃气设备有限公司 | Pressure regulation, cutting integrated gas pressure regulator |
| CN108953712A (en) * | 2018-07-20 | 2018-12-07 | 杭州强邦精密机械电器有限公司 | Gas heating stove automatic control current stabilization proportioning valve and automatic control current stabilization method |
| CN109114559A (en) * | 2017-06-22 | 2019-01-01 | 昆山庚天热能科技有限公司 | A kind of burner air gas premixing autocontrol method |
| CN208398372U (en) * | 2018-06-29 | 2019-01-18 | 艾沃（深圳）智能环境科技有限公司 | A kind of fully pre-mixing gas combustion water heater for heating of adjustable gas pressure |
| CN109268548A (en) * | 2018-12-06 | 2019-01-25 | 杭州老板电器股份有限公司 | Regulating valve and gas-cooker |
| CN109373366A (en) * | 2018-12-06 | 2019-02-22 | 杭州老板电器股份有限公司 | Gas-cooker and its control method |
| CN109442756A (en) * | 2018-12-15 | 2019-03-08 | 成都前锋电子有限责任公司 | A kind of full Pre-coagulation formula gas-heating water heater equipped with air inlet voltage regulation adjustor |
| CN109442405A (en) * | 2018-12-26 | 2019-03-08 | 广州威茨热能技术有限公司 | A kind of air-fuel ratio mixer |
| CN208719481U (en) * | 2018-07-20 | 2019-04-09 | 杭州强邦精密机械电器有限公司 | It relies on oneself current stabilization gas ratio valve |
| CN208982717U (en) * | 2018-09-14 | 2019-06-14 | 广东万和新电气股份有限公司 | A kind of gas heater gas ratio valve |
-
2019
- 2019-06-25 CN CN201910557051.7A patent/CN112128985A/en active Pending
Patent Citations (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2752663A1 (en) * | 1977-11-25 | 1979-05-31 | Haller Meurer Werke Ag | Gas burner automatic air-fuel ratio regulating equipment - has thermostatic unit controlling gas valve, linked airflow control flap |
| JPS557975A (en) * | 1978-07-04 | 1980-01-21 | Aisan Ind Co Ltd | Mixed air supplying sytem in engine |
| JPS5596329A (en) * | 1979-01-17 | 1980-07-22 | Toyota Motor Corp | Fuel discharge device |
| US4960377A (en) * | 1989-05-17 | 1990-10-02 | Gas Research Insitute | Gas/air mixing valve |
| JPH09296750A (en) * | 1996-05-02 | 1997-11-18 | Kubota Corp | Gas-fueled engine having pressure regulator |
| CN2369066Y (en) * | 1998-06-17 | 2000-03-15 | 张木树 | Control valve for regulating gas flow by air pressure |
| TW570129U (en) * | 2003-05-23 | 2004-01-01 | Jiun-Cheng Huang | Motor type proportional regulation and shutoff valve |
| CN2625664Y (en) * | 2003-05-29 | 2004-07-14 | 卢志雪 | Motor type proportion regulating and blocking valve |
| CN1480675A (en) * | 2003-07-17 | 2004-03-10 | 浙江春晖智能控制股份有限公司 | Gas-fired proportional controller for supplying heat safely |
| JP2005083717A (en) * | 2003-09-11 | 2005-03-31 | Asahi Seisakusho Co Ltd | Dimethyl ether combustor |
| US20060075993A1 (en) * | 2004-10-13 | 2006-04-13 | Denso Corporation | Fuel pressure regulation valve |
| CN2740916Y (en) * | 2004-10-25 | 2005-11-16 | 潘兆铿 | Flow-adjustable air valve with double close |
| TWM275324U (en) * | 2005-02-04 | 2005-09-11 | Jiun-Cheng Huang | Dual-diaphragm proportional pressure control valve for main valve |
| CN1975253A (en) * | 2006-12-13 | 2007-06-06 | 中山华帝燃具股份有限公司 | Burner for realizing air-gaseous fuel fixed proportional distribution and distributing method thereof |
| CN201280983Y (en) * | 2008-11-04 | 2009-07-29 | 深圳市金奇稀土电机有限公司 | Fuel conveying device for small-sized gas engine |
| TWM354057U (en) * | 2008-11-07 | 2009-04-01 | Jia-Song Zhuang | A cock valve for controlling fuel gas |
| CN201568582U (en) * | 2009-12-31 | 2010-09-01 | 王念洲 | Fuel output valve |
| CN202036942U (en) * | 2011-04-27 | 2011-11-16 | 霍山东科科技开发有限公司 | Adjustable gas mixer |
| CN202252203U (en) * | 2011-09-20 | 2012-05-30 | 美的集团有限公司 | Gas control valve |
| CN202521003U (en) * | 2012-02-21 | 2012-11-07 | 郑州郑燃调压控制技术有限公司 | Gas pressure regulator |
| CN203258095U (en) * | 2013-04-22 | 2013-10-30 | 广州市精鼎电器科技有限公司 | Fuel gas control ratio adjustment and pressure stability control device |
| CN103603747A (en) * | 2013-08-10 | 2014-02-26 | 蒙国宁 | Intake pressure balancing adjuster for supercharged and intercooled gas engine |
| CN103742915A (en) * | 2014-01-09 | 2014-04-23 | 艾欧史密斯(中国)热水器有限公司 | Multi-cavity gas-air mixing device |
| CN203718845U (en) * | 2014-01-10 | 2014-07-16 | 王大成 | Gas-air proportionally-mixed device and Chinese meal furnace |
| CN103994581A (en) * | 2014-05-04 | 2014-08-20 | 广东万和新电气股份有限公司 | Fully-premixed combustion water heater with gas inlet device |
| CN203907683U (en) * | 2014-05-07 | 2014-10-29 | 邵信宏 | Fully premixed combustion stove |
| CN104296392A (en) * | 2014-10-17 | 2015-01-21 | 广东万和新电气股份有限公司 | Gas water heating device capable of realizing self-adaptive fully-premixed combustion |
| CN104728840A (en) * | 2015-04-10 | 2015-06-24 | 合肥依科普工业设备有限公司 | Self-gasification combustor |
| CN107850300A (en) * | 2015-08-18 | 2018-03-27 | 林内株式会社 | Burner |
| CN205190914U (en) * | 2015-12-15 | 2016-04-27 | 河北欧意诺燃气设备有限公司 | Magnetism helping hand gas pressure regulator |
| CN205207817U (en) * | 2015-12-18 | 2016-05-04 | 河北欧意诺燃气设备有限公司 | Case steady voltage gas pressure regulator |
| CN205481687U (en) * | 2016-01-06 | 2016-08-17 | 胡桂林 | Gaseous induction type self -adaptation of arranging waterway system in heating device that thoughtlessly burns in advance |
| CN205350710U (en) * | 2016-01-29 | 2016-06-29 | 北京市燃气集团有限责任公司 | Gas pipeline tapping shutoff pressure equaliser |
| CN205980265U (en) * | 2016-05-13 | 2017-02-22 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN205783717U (en) * | 2016-05-13 | 2016-12-07 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN206410177U (en) * | 2016-12-26 | 2017-08-15 | 中山市思源电器有限公司 | A kind of automatically controlled kitchen range proportioning valve of stable flow type |
| CN108006946A (en) * | 2016-12-30 | 2018-05-08 | 芜湖美的厨卫电器制造有限公司 | Gas heater and gas heater method for controlling combustion |
| CN206874891U (en) * | 2017-01-17 | 2018-01-12 | 云南振楠科技有限公司 | A kind of home pipeline multiple exit gas pressure regulating valve |
| CN109114559A (en) * | 2017-06-22 | 2019-01-01 | 昆山庚天热能科技有限公司 | A kind of burner air gas premixing autocontrol method |
| CN107084075A (en) * | 2017-06-28 | 2017-08-22 | 哈尔滨工程大学 | A kind of anti-reverse integrated form intersects annular groove gaseous fuel jet mixing device |
| CN107131074A (en) * | 2017-06-28 | 2017-09-05 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device with piezo actuator |
| CN107606223A (en) * | 2017-08-15 | 2018-01-19 | 日丰企业（佛山）有限公司 | Safety valves for gas |
| CN208107282U (en) * | 2017-09-21 | 2018-11-16 | 河北永良燃气设备有限公司 | Pressure regulation, cutting integrated gas pressure regulator |
| CN108194693A (en) * | 2018-02-07 | 2018-06-22 | 芜湖美的厨卫电器制造有限公司 | Gas proportion valve module and gas heater |
| CN208398372U (en) * | 2018-06-29 | 2019-01-18 | 艾沃（深圳）智能环境科技有限公司 | A kind of fully pre-mixing gas combustion water heater for heating of adjustable gas pressure |
| CN108953712A (en) * | 2018-07-20 | 2018-12-07 | 杭州强邦精密机械电器有限公司 | Gas heating stove automatic control current stabilization proportioning valve and automatic control current stabilization method |
| CN208719481U (en) * | 2018-07-20 | 2019-04-09 | 杭州强邦精密机械电器有限公司 | It relies on oneself current stabilization gas ratio valve |
| CN208982717U (en) * | 2018-09-14 | 2019-06-14 | 广东万和新电气股份有限公司 | A kind of gas heater gas ratio valve |
| CN109268548A (en) * | 2018-12-06 | 2019-01-25 | 杭州老板电器股份有限公司 | Regulating valve and gas-cooker |
| CN109373366A (en) * | 2018-12-06 | 2019-02-22 | 杭州老板电器股份有限公司 | Gas-cooker and its control method |
| CN109442756A (en) * | 2018-12-15 | 2019-03-08 | 成都前锋电子有限责任公司 | A kind of full Pre-coagulation formula gas-heating water heater equipped with air inlet voltage regulation adjustor |
| CN109442405A (en) * | 2018-12-26 | 2019-03-08 | 广州威茨热能技术有限公司 | A kind of air-fuel ratio mixer |
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