CN110594778A - Gas distributing rod assembly for gas water heater and gas water heater with same - Google Patents
Gas distributing rod assembly for gas water heater and gas water heater with same Download PDFInfo
- Publication number
- CN110594778A CN110594778A CN201810601659.0A CN201810601659A CN110594778A CN 110594778 A CN110594778 A CN 110594778A CN 201810601659 A CN201810601659 A CN 201810601659A CN 110594778 A CN110594778 A CN 110594778A
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- gas
- air
- water heater
- passage
- air passage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 238000004891 communication Methods 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 141
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
-
- 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
Landscapes
- 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)
- Gas Burners (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a gas distributing rod component for a gas water heater and the gas water heater with the same, wherein the gas distributing rod component comprises: the first body is divided into a first air passage and a plurality of second air passages which are mutually independent, the first body is provided with a plurality of air injection holes, and the air injection holes are respectively communicated with the first air passage and the second air passages; the second body is connected to the bottom of the first body, and the second body defines a third air channel; the first air passage and the second air passage are communicated with the third air passage, and the air intake amount of the first air passage and the air intake amount of the second air passage in one unit time can be adjusted. According to the gas distributing rod assembly for the gas water heater, the first body is provided with the first air passage and the second air passages, so that when the gas water heater works, the firepower adjusting range of the burner can be enlarged by adjusting the air inflow of the first air passage and/or the second air passages, and different requirements of a user on water temperature can be further met.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a gas distributing rod assembly for a gas water heater and the gas water heater with the same
Background
The gas distributing rod assembly of the gas water heater comprises: the gas distribution rod comprises a gas proportional valve, a gas distribution rod body and a plurality of electromagnetic valves, wherein the gas proportional valve is used for controlling and adjusting the gas pressure entering the gas distribution rod body; the gas distributing rod body is provided with a gas outlet pipe, the gas outlet pipe is provided with a gas jet hole, and the gas quantity sprayed out of the gas outlet pipe is controlled through an electromagnetic valve.
Traditional gas heater's gas distribution pole body only sets up one section or two sections outlet ducts, and each section outlet duct only has one row of fumarole, adjusts gas heater's firepower through the air input of adjusting the outlet duct, because firepower adjustable range is little, the user uses more vexedly, for example, in hot summer, the temperature ratio of natural water is than higher, even use minimum firepower heating, the hot water temperature of coming out also is higher than the demand temperature, minimum temperature rise can't satisfy user's demand.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems to a certain extent.
Therefore, the invention provides a gas distributing rod assembly for a gas water heater, which has a large air inlet quantity adjusting range.
The invention also provides a gas water heater with the gas distributing rod assembly, and the water temperature of the gas water heater is wide in adjustable range.
The gas water heater according to the embodiment of the invention comprises: the first body is divided into a first air passage and a plurality of second air passages which are mutually independent, the first body is provided with a plurality of air injection holes, and the air injection holes are respectively communicated with the first air passage and the second air passages; the second body is connected to the bottom of the first body, and the second body defines a third air channel; the first air passage and the second air passage are communicated with the third air passage, and the air intake amount of one of the first air passage and the second air passage in unit time can be adjusted.
According to the gas distributing rod assembly for the gas water heater, the first body is provided with the first air passage and the second air passages, so that when the gas water heater works, the firepower adjusting range of the burner can be enlarged by adjusting the air inflow of the first air passage and/or the second air passage, and different requirements of users on water temperature can be further met.
In addition, the gas water heater according to the embodiment of the invention can also have the following additional technical characteristics:
in some optional embodiments, the first air passage and the second air passage are open downward, the third air passage is open upward, a spacer is disposed between the first body and the second body, and the spacer is provided with a communication hole for communicating the first air passage and the third air passage, and the second air passage and the third air passage.
In a further optional embodiment, a first mounting seat and a second mounting seat are respectively arranged at positions of the second body opposite to the communication hole, wherein the first mounting seat is used for mounting an electromagnetic valve, and the second mounting seat is used for mounting an air inlet pipe.
In some optional embodiments, the first and second mounting seats are formed at the bottom of the second body and extend downward, respectively.
In an alternative embodiment, the first and second mounting seats are cylindrical tubes extending downward.
In an alternative embodiment, the first air passage and the second air passage each include: the transverse branch channels and the longitudinal branch channels are communicated with the transverse branch channels, and the longitudinal branch channels are communicated with the communication holes.
In an alternative embodiment, each lateral branch corresponds to a row of gas injection holes.
In a further alternative example, two adjacent transverse branches are arranged at intervals.
In an alternative implementation example, the transverse branches of the first air passage and the second air passage are located on the same straight line.
In an alternative embodiment, the second air passage includes a left air passage and a right air passage, which are respectively located on the left side and the right side of the first air passage.
In an alternative embodiment, the ratio of the number of the gas injection holes in each group of the left air passage, the first air passage and the right air passage is as follows: 1:1:8.
In an alternative embodiment, the first air passage and the second air passage each comprise: three transverse branch roads and a longitudinal branch road.
In an alternative embodiment, the longitudinal branch passages are both located in the horizontal middle of the first air passage and the second air passage.
In an alternative embodiment, the spacer is a flexible spacer.
In some embodiments, the flow channel edges of the transverse branch channel and the longitudinal branch channel form a clamping groove, and the flexible gasket is formed with a clamping rib matched with the clamping groove.
In an optional embodiment, the first body is provided with a first connecting piece, and the second body is provided with a second connecting piece matched with the first connecting piece.
In an optional embodiment, the first connecting piece is a positioning column, and the second connecting piece is a positioning hole.
In an optional embodiment, screw holes are formed in two ends of the first body and the second body, and the first body and the second body are locked through fasteners.
The gas water heater according to the embodiment of the invention comprises the gas-dividing rod assembly according to the embodiment, and the adjusting range of the water outlet temperature of the gas water heater according to the embodiment of the invention is large because the adjusting range of the air inlet amount of the gas-dividing rod assembly according to the embodiment of the invention is large, and the adjusting range of the firepower of the burner can be enlarged.
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 block diagram of a gas water heater according to an embodiment of the present invention;
FIG. 2 is an exploded view of a gas distribution stem assembly according to an embodiment of the present invention;
FIG. 3 is an assembly view of a gas distribution stem assembly according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a gas distribution stem assembly according to an embodiment of the present invention;
FIG. 5 is an assembly view of another angle of the gas distribution lever assembly according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a second body according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of a second body according to an embodiment of the present invention.
Reference numerals:
100: a gas water heater;
10: a rear housing;
20: a water tank;
30: a burner;
40: a gas distributing rod assembly;
41: a first body; 411: a first air passage; 412: a second air passage; 413: a positioning column; 414: a partition plate;
42: a second body; 421: a third air passage; 422: a first mounting seat; 423: a second mounting seat; 424:
positioning holes;
43: a separator; 431: a communicating hole;
44: an air inlet pipe;
45: a gas injection hole;
461: a transverse branch road; 462: longitudinal branch roads;
a gas proportional valve 50.
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 drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "front", "rear", "lateral", "longitudinal", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, 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 specifically defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.
A gas distribution stem assembly 40 for a gas water heater 100 according to an embodiment of the present invention is described below with reference to fig. 1-7.
As shown in fig. 1, the rear case 10 of the gas water heater 100 has mounting surfaces for mounting functional modules such as a blower, a water tank 20, a burner 30, a gas distribution lever assembly 40, and a gas proportional valve 50.
As shown in fig. 1, the gas distribution rod assembly 40 is located at the lower part of the burner 30, the gas injection holes 45 of the gas distribution rod assembly 40 are arranged opposite to the gas inlet of the burner 30, the gas distribution rod assembly 40 delivers gas to the burner 30, the air and the gas are mixed from the inside of the burner 30, then the ignition structure is ignited, the gas mixture starts to burn, a large amount of flue gas is generated to heat the water tank 20, and the low-temperature flue gas after heat exchange is discharged to the outside.
The gas distribution rod assembly 40 according to an embodiment of the present invention includes: a first body 41 and a second body 42.
Specifically, the first body 41 is divided into a first air passage 411 and a plurality of second air passages 412 which are independent of each other, the first body 41 is provided with a plurality of air injection holes 45, and the air injection holes 45 are respectively communicated with the first air passage 411 and the second air passages 412. The second body 42 is connected to the bottom of the first body 41, and the second body 42 defines a third air passage 421. As shown in fig. 1 and fig. 2 to 4, the first body 41 and the second body 42 are stacked from top to bottom, the gas injection holes 45 are disposed on one side of the first body 41 facing the burner 30, when the gas water heater 100 works, gas enters the third gas channel 421 in advance, then flows to the first gas channel 411 and the second gas channel 412, and is delivered to the burner 30 through the corresponding gas injection holes 45.
The first air passage 411 and the second air passage 412 are both communicated with the third air passage 421, wherein the air intake amount per unit time of one of the first air passage 411 and the second air passage 412 is adjustable. That is, the air intake amount per unit time of the first air passage 411 and the second air passage 412 can be adjusted, or the air intake amount per unit time of the first air passage 411 can be adjusted, the air intake amount per unit time of the second air passage 412 can be adjusted, or the air intake amount per unit time of the first air passage 411 and the air intake amount per unit time of the.
It is understood that, in the case where both the first air passage 411 and the second air passage 412 are conducted, the total amount of intake air per unit time of the combustor 30 is equal to the sum of the amounts of exhaust air per unit time of the first air passage 411 and the second air passage 412. Therefore, when the gas water heater 100 is in operation, the total intake air amount per unit time of the burner 30 can be increased or decreased by adjusting the intake air amount per unit time of the first air passage 411 and/or the second air passage 412.
When the intake air amount per unit time of the first air passage 411 and the second air passage 412 reaches the maximum value, the intake air amount per unit time of the combustor 30 is the maximum; when the intake air amount per unit time of the first air passage 411 and the second air passage 412 is minimum, the intake air amount per unit time of the combustor 30 is minimum.
Therefore, according to the gas distributing rod assembly 40 for the gas water heater 100 of the embodiment of the invention, since the first body 41 is provided with the first air passage 411 and the plurality of second air passages 412, when the gas water heater 100 works, the firepower adjusting range of the burner can be enlarged by adjusting the air inflow amount of the first air passage 411 and/or the second air passages 412, and further different requirements of users on water temperature can be met.
In some embodiments of the present invention, as shown in fig. 2, the first air passage 411 and the second air passage 412 are opened downward, the third air passage 421 is opened upward, a partition sheet 43 is provided between the first body 41 and the second body 42, and the partition sheet 43 is provided with a communication hole 431 for communicating the first air passage 411 and the third air passage 421, and the second air passage 412 and the third air passage 421. That is, the separating sheet 43 divides the gas-distributing rod assembly 40 into the first body 41 located at the upper side and the second body 42 located at the lower side, the upper surface of the separating sheet 43 is attached to the bottom surface of the first body 41, the lower surface of the separating sheet 43 is attached to the top surface of the second body 42, wherein the bottom surface of the first body 41 is provided with the separating sheet 414, the separating sheet 414 divides the first body 41 into the first gas passage 411 and the second gas passage 412 which are independent of each other, and the separating sheet 43 is sandwiched between the first body 41 and the second body 42 for sealing and separating.
In an alternative embodiment, as shown in fig. 4 and fig. 5, the second body 42 is provided with a first mounting seat 422 and a second mounting seat 423 at positions opposite to the communication hole 431, wherein the first mounting seat 422 is used for mounting the solenoid valve, and the second mounting seat 423 is used for mounting the air inlet pipe 44. The amount of intake air from the third air passage 421 into the second air passage 412 is regulated by a solenoid valve. In other words, in this embodiment, the first air passage 411 and the third air passage 413 are always in a communication state, and the flow rate of the third air passage 413 entering the second air passage 412 can be adjusted by the solenoid valve. That is, when the gas water heater 100 is operated, the first air passage 411 and the third air passage 413 are in a normally open state, and the amount of gas output per unit time of the gas distributing rod assembly 40 is increased or decreased by adjusting the amount of gas input of the second air passage 412.
In a further alternative embodiment, the first and second mounting seats 422 and 423 are formed at the bottom of the second body 42 and extend downward, respectively. Thus, the installation and the disassembly of the electromagnetic valve and the air inlet pipe 44 are convenient, and the assembly and the maintenance efficiency of the air distribution rod assembly 40 are improved.
In an alternative embodiment, the first mount 422 and the second mount 423 are cylindrical tubes that extend downward. As shown in fig. 2 and 4, the cylindrical tube may have a positioning lug with a mounting hole formed on a circumferential wall thereof, and the solenoid valve and the air inlet tube 44 may be provided with a mounting structure for engaging with the positioning lug, so as to facilitate mounting and dismounting of the solenoid valve and the air inlet tube 44.
In other embodiments of the present invention, as shown in fig. 6, the first air passage 411 and the second air passage 412 each include: a plurality of lateral branches 461 and a longitudinal branch 462 communicating with the plurality of lateral branches 461, the longitudinal branch 462 communicating with the communication hole 431. That is, the gas in the third gas passage 421 may enter the longitudinal branch 462 through the communication hole 431 in advance, and then dispersedly flow from the longitudinal branch 462 to the lateral branch 461. In other words, the first air passage 411 and the second air passage 412 realize the simultaneous gas delivery to a plurality of transverse passages through the longitudinal branch passage 462, thereby improving the total gas delivery area of the first air passage 411 and the second air passage 412, that is, increasing the total gas delivery area of the gas distributing rod assembly 40, and delivering gas to the combustor 30 more uniformly.
In some alternative examples, each lateral leg 461 corresponds to a group of gas injection holes 45. That is, the first gas duct 411 and the second gas duct 412 may simultaneously feed gas to the burner 30 through the plurality of sets of gas injection holes 45.
In other alternative examples, two adjacent transverse branches 461 are spaced apart. Thereby, the total gas delivery area of the gas distribution rod assembly 40 is further increased, and the gas can be delivered to the burner 30 more uniformly.
In a further alternative embodiment, as shown in fig. 6, the second air passage 412 includes left and right air passages, which are respectively located on the left and right sides of the first air passage 411. That is, a part of the gas entering the third gas passage 413 enters the first gas passage 411, and the other part of the gas flows into the left and right second gas passages 412, respectively.
That is, when the gas water heater 100 is in operation, the gas can be simultaneously delivered to the burner 30 through the first gas passage 411 and the left and right second gas passages 412, and the gas output of the gas distributing rod assembly 40 in unit time can be accurately adjusted by adjusting the first gas passage 411 and the left and right second gas passages 412, so that the fire power of the burner 30 can be effectively controlled. It is understood that the above-mentioned number of the second air passages 412 and the arrangement of the first air passages 411 and the second air passages 412 are only illustrative and not limiting to the scope of the present invention, for example, the cross section of the air dividing rod assembly 40 may be circular, wherein the first air passages 411 may be located at a central position, and the second air passages 412 are radially distributed on the circumference of the first air passages 411.
In one embodiment of the present invention, as shown in fig. 6, the first air passage 411 and the second air passage 412 each include: three transverse lanes 461 and one longitudinal lane 462. Wherein the longitudinal branch passages 462 are both located in the horizontal middle of the first air passage 411 and the second air passage 412. In other words, the first air passage 411 and the second air passage 412 have a substantially grid shape, thereby facilitating the production and processing of the gas separation bar assembly 40. It is understood that the above description is only illustrative and not intended to limit the scope of the present invention, and the specific number and arrangement of the transverse branches 461 and the longitudinal branches 462 are not limited as long as the gas delivery area of the gas distribution rod assembly 40 can be increased.
Optionally, the transverse branches of the first and second air passages are located on the same straight line. Therefore, the processing and manufacturing of the first body 41 are facilitated, and the production cost of the gas distributing rod assembly 40 is reduced.
Alternatively, the ratio of the number of the air injection holes 45 in each row of the left air passage, the first air passage 411 and the right air passage is: 1:1:8. It is to be understood that the above numerical ranges are illustrative only and are not limiting upon the present invention.
In other embodiments of the present invention, the spacer 43 is a flexible gasket, such as a rubber gasket or a silicone gasket. As shown in fig. 2 and fig. 3, the flexible gasket is sandwiched between the bottom surface of the first body 41 and the top surface of the second body 42, so as to effectively prevent gas leakage between the first body 41 and the flexible gasket, and between the second body 42 and the flexible gasket.
In some alternative embodiments, the flow channel edges of the transverse branch 461 and the longitudinal branch 462 form a slot, and the rubber gasket forms a rib matched with the slot. That is, the clamping rib is embedded into the clamping groove, so that the flexible gasket is more tightly matched with the first body 41 and the second body 42, and gas leakage of the gas distributing rod assembly 40 is further prevented.
In still other embodiments of the present invention, as shown in fig. 2 and 7, the first body 41 is provided with a first connecting member, and the second body 42 is formed with a second connecting member engaged with the first connecting member. The first connecting member is a positioning column 413, and the second connecting member is a positioning hole 424. Like this, when dividing gas lever subassembly 40 assembly, can realize prepositioning with reference column 413 and locating hole 424 cooperation earlier, improve the assembly efficiency of dividing gas lever subassembly 40.
In other embodiments, as shown in fig. 2, screw holes are provided at both ends of the first body 41 and the second body 42, and the first body 41 and the second body 42 are locked by a fastening member. As shown in fig. 2, the first body 41 and the second body 42 are reliably locked by the cooperation of the fastener and the screw hole, so that the sealing performance of the whole gas distribution rod assembly 40 is effectively improved.
Referring to fig. 2-7, a gas distribution stem assembly 40 for a burner in accordance with one embodiment of the present invention is described.
The gas lever assembly 40 includes: the gas nozzle comprises a first body 41 and a second body 42, wherein the first body 41 is divided into a first gas passage 411 and a plurality of second gas passages 412 which are isolated from each other, the first body 41 is provided with a plurality of gas injection holes 45, and the gas injection holes 45 are respectively communicated with the first gas passage 411 and the second gas passages 412. The second body 42 is connected to the bottom of the first body 41, and the second body 42 defines a third air passage 421. The first air passage 411 and the second air passage 412 are communicated with the third air passage 421, the first air passage 411 is always communicated with the third air passage 421, and the air inflow of the second air passage 412 in unit time is adjustable.
The first air passage 411 and the second air passage 412 are opened downward, the third air passage 421 is opened upward, and a flexible gasket, such as a rubber gasket, is interposed between the bottom surface of the first body 41 and the top surface of the second body 42. The flexible gasket has a communication hole 431, and the communication hole 431 is used for communicating the first air passage 411 and the third air passage 422 and the second air passage 412 and the third air passage 422.
The second air passage 412 includes left and right air passages, which are located on the left and right sides of the first air passage 411. The first air passage 411 and the second air passage 412 each include: a plurality of lateral branches 461 and a longitudinal branch 462 communicating with the plurality of lateral branches 461, the longitudinal branch 462 communicating with the communication hole 431. Two adjacent transverse branches 461 are arranged at intervals. The lateral branches 461 of the first air passage 411 and the second air passage 412 are located on the same straight line.
Wherein, the number ratio of each row of air injection holes 45 of the left air passage, the first air passage 411 and the right air passage is: 1:1:8. The first air passage 411 and the second air passage 412 each include: three transverse branches 461 and one longitudinal branch 462, each transverse branch 461 corresponds to one row of air injection holes 45. Referring to fig. 6, each row of the gas injection holes 45 of the left gas passage includes 3 gas injection holes 45, each row of the gas injection holes 45 of the first gas passage 411 also includes 3 gas injection holes 45, and each row of the gas injection holes 45 of the right gas passage includes 8 gas injection holes 45. In other words, the left air duct and the first air duct 411 each include 3 rows and 3 columns of the air injection holes 45, the right air duct includes 3 rows and 8 columns of the air injection holes 45, and the air distribution rod assembly 40 of this embodiment includes 3 rows and 14 columns of the air injection holes 45. In the present invention, the pair of air injection holes 45 extending in the left-right direction is referred to as a row, and the pair of air injection holes 45 extending in the front-rear direction is aligned in a row.
The gas distribution rod assembly 40 comprises the following working modes: the first air passage 411 is communicated, the left air passage and the right air passage are not communicated, 3 rows of air injection holes 45 are used for supplying air to the combustor in the mode, and at the moment, the firepower can be adjusted within the range of 3-7.3 KW; the first air passage 411 is communicated with the left air passage, the right air passage is not communicated, in the mode, 6 rows of gas holes 45 are used for supplying gas to the combustor, and at the moment, the firepower can be adjusted to be 6-14.6 KW; the first air passage 411 is communicated with the right air passage, the left air passage is not communicated, in the mode, 11 rows of gas holes 45 are used for supplying gas to the combustor, and at the moment, the firepower adjustable range is 11-26.7 KW; the first air passage 411, the right air passage and the left air passage are all communicated, and 14 rows of air injection holes 45 are used for supplying air to the combustor, and at the moment, the firepower adjustable range is 14-34 KW. When the water flow is 12L/min and the lowest firepower is 3KW for combustion, the lowest temperature is increased to 3.1 ℃; when the high-fire power 34KW is used for combustion, the highest temperature rise is 35.4 ℃, namely in the embodiment, the temperature rise adjusting range of the gas water heater is 3.1-35.4 ℃, and the requirement of temperature rise in different seasons can be met to the greatest extent.
It will be appreciated that this embodiment is merely illustrative and that the temperature adjustability range is greater as the number of airways that can be adjusted is greater. Therefore, when the temperature regulation range is better required, various optimization designs can be made on the arrangement of the air passages.
The gas water heater 100 according to the embodiment of the invention comprises the gas-dividing rod assembly 40 according to the above-mentioned embodiment, and the adjusting range of the fire power of the burner 30 can be increased due to the large adjusting range of the air inlet amount of the gas-dividing rod assembly 40 according to the embodiment of the invention, so that the adjusting range of the outlet water temperature of the gas water heater according to the embodiment of the invention is large.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "an implementation," or "some examples," etc., 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.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (19)
1. A gas distribution stem assembly for a gas water heater, comprising:
the first body is divided into a first air passage and a plurality of second air passages which are mutually independent, the first body is provided with a plurality of air injection holes, and the air injection holes are respectively communicated with the first air passage and the second air passages;
the second body is connected to the bottom of the first body, and the second body defines a third air channel;
the first air passage and the second air passage are communicated with the third air passage, and the air intake amount of one of the first air passage and the second air passage in unit time can be adjusted.
2. The gas distributing rod assembly for a gas water heater according to claim 1, wherein the first gas passage and the second gas passage are open downward, the third gas passage is open upward, a spacer is provided between the first body and the second body, and the spacer is provided with a communication hole for communicating the first gas passage and the third gas passage, the second gas passage and the third gas passage.
3. The gas distributing rod assembly for a gas water heater according to claim 2, wherein a first mounting seat and a second mounting seat are respectively arranged at positions of the second body opposite to the communication hole, wherein the first mounting seat is used for mounting the electromagnetic valve, and the second mounting seat is used for mounting the air inlet pipe.
4. The gas lever assembly of claim 3, wherein the first and second mounting seats are each formed in a bottom portion of the second body and extend downwardly.
5. The gas stem assembly for a gas water heater of claim 4, wherein the first and second mounting seats are downwardly extending cylindrical tubes.
6. The gas stem assembly for a gas water heater of claim 2, wherein the first and second gas passages each include: the transverse branch channels and the longitudinal branch channels are communicated with the transverse branch channels, and the longitudinal branch channels are communicated with the communication holes.
7. The gas stem assembly of claim 6, wherein each lateral branch corresponds to a row of gas injection holes.
8. The gas distribution rod assembly for a gas water heater of claim 6, wherein two adjacent transverse branches are spaced apart.
9. The gas distribution rod assembly for a gas water heater of claim 8, wherein the transverse branches of the first and second gas passages are in alignment.
10. The gas distributor bar assembly for a gas water heater as defined in claim 9, wherein said second gas passage includes a left gas passage and a right gas passage, said left gas passage and said right gas passage being located on the left side and the right side of said first gas passage, respectively.
11. The gas distributor bar assembly for a gas water heater as defined in claim 10, wherein the ratio of the number of gas injection holes per row of said left gas passage, said first gas passage and said right gas passage is: 1:1:8.
12. The gas stem assembly for a gas water heater of claim 11, wherein the first gas passage and the second gas passage each include: three transverse branch roads and a longitudinal branch road.
13. The gas stem assembly for a gas water heater of claim 12, wherein said longitudinal branch passageways are each located in a horizontal middle of said first and second gas passageways.
14. The gas stem assembly for a gas water heater of claim 6, wherein the spacer is a flexible gasket.
15. The gas distribution rod assembly for a gas water heater according to claim 14, wherein the flow channel edges of the transverse branch channel and the longitudinal branch channel form a clamping groove, and the flexible gasket is formed with a clamping rib matched with the clamping groove.
16. The gas stem assembly of claim 1, wherein the first body defines a first connector and the second body defines a second connector that mates with the first connector.
17. The gas stem assembly of claim 16, wherein the first connector is a locating post and the second connector is a locating hole.
18. The gas stem assembly of claim 16, wherein the first body and the second body are provided with screw holes at both ends thereof, and the first body and the second body are locked by a fastening member.
19. A gas water heater comprising the gas distribution rod assembly for a gas water heater of any one of claims 1-18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601659.0A CN110594778B (en) | 2018-06-12 | 2018-06-12 | Gas distribution rod assembly for gas water heater and gas water heater with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601659.0A CN110594778B (en) | 2018-06-12 | 2018-06-12 | Gas distribution rod assembly for gas water heater and gas water heater with same |
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| CN110594778A true CN110594778A (en) | 2019-12-20 |
| CN110594778B CN110594778B (en) | 2024-03-29 |
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| Publication number | Publication date |
|---|---|
| CN110594778B (en) | 2024-03-29 |
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