CN210320694U

CN210320694U - Gas distributing rod assembly and gas water heater

Info

Publication number: CN210320694U
Application number: CN201920988749.XU
Authority: CN
Inventors: 朱泽春; 裘加恩; 王贻峰; 杨绳聪
Original assignee: Joyoung Co Ltd
Current assignee: Hangzhou Jiuchuang Home Appliances Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-14
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a divide gas pole subassembly belongs to gas heater technical field, including nozzle spare and branch gas pole, be equipped with branch air cavity and mutual independence and first air cavity, second air cavity and the third air cavity that the volume is unequal in the nozzle spare, divide the air cavity with divide gas pole intercommunication so that the gas warp divide the gas pole to get into divide the air cavity, first air cavity, second air cavity and third air cavity be equipped with respectively with divide first through-hole, second through-hole and the third through-hole of air cavity intercommunication, be equipped with on the nozzle spare and be used for the switching the solenoid valve of first through-hole and second through-hole and respectively with the nozzle of first air cavity, second air cavity and third air cavity intercommunication. The utility model discloses a divide gas pole subassembly not only can realize four segmentation and improve constant temperature performance, can also increase firepower control range to this control range who increases the temperature. Furthermore, the utility model also provides a gas heater who adopts above-mentioned branch gas pole subassembly.

Description

Gas distributing rod assembly and gas water heater

Technical Field

The utility model relates to a gas heater technical field especially relates to a divide gas pole subassembly and gas heater.

Background

At present, the common air-blast formula gas heater on the market adopts the gas-distributing rod subassembly that is equipped with 2 sectional valves usually, so can only realize three segmentations, but the constant temperature performance is relatively poor, consequently when using in summer, can appear the condition that the temperature can not drop, influence the user and use experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough and provide a divide gas pole subassembly, not only can realize four segmentation and improve constant temperature performance, can also increase firepower control range to this adjustment range who increases the temperature.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the gas distributing rod assembly comprises a nozzle part and a gas distributing rod, wherein a gas distributing cavity, a first gas cavity, a second gas cavity and a third gas cavity which are independent of each other and have different volumes are arranged in the nozzle part, the gas distributing cavity is communicated with the gas distributing rod so that gas enters the gas distributing cavity through the gas distributing rod, the first gas cavity, the second gas cavity and the third gas cavity are respectively provided with a first through hole, a second through hole and a third through hole which are communicated with the gas distributing cavity, and the nozzle part is provided with an electromagnetic valve for opening and closing the first through hole and the second through hole and a nozzle which is communicated with the first gas cavity, the second gas cavity and the third gas cavity respectively.

Furthermore, the nozzle part comprises a nozzle cavity, the first air cavity, the second air cavity and the third air cavity are separated from the nozzle cavity, the nozzle cavity and the gas distribution cavity are separated through a partition plate, the partition plate is provided with the first through hole, the second through hole and the third through hole, and the gas distribution rod and the third through hole are coaxially arranged.

Furthermore, the valve head of the electromagnetic valve is arranged in the air distribution cavity, and in the closed state of the electromagnetic valve, the valve head abuts against the partition plate to block the second through hole and the first through hole.

Further, the volume V1 of the first air cavity, the volume V2 of the second air cavity and the volume V3 of the third air cavity satisfy V3 < V1 and V3 < V2.

Further, V2 < V1, the number of nozzles communicating with the first air chamber is N1, the number of nozzles communicating with the second air chamber is N2, and the number of nozzles communicating with the third air chamber is N3, so that N3 < N2 < N1 is satisfied.

The utility model also discloses a gas heater, which comprises a housin, install fan, combustor and branch gas pole subassembly in the casing, the fan is installed the bottom of combustor, divide gas pole unit mount in one side of combustor, divide gas pole subassembly to be any above-mentioned technical scheme divide gas pole subassembly, the combustor have a plurality ofly with the chamber in advance of nozzle one-to-one and intercommunication, the fan top is equipped with the air outlet, divide the gas pole subassembly with be equipped with the messenger between the combustor the exhaust air of air outlet gets into the circulation clearance in the chamber in advance.

Further, the flow gap gradually increases toward the nozzle.

Furthermore, the nozzle piece is provided with an outer wall facing one side of the combustor, and the wall part of the outer wall below the nozzle is obliquely arranged from inside to outside from top to bottom.

Further, the side wall of the nozzle piece facing the combustor is provided with an outward bulge, and the nozzle is arranged on the bulge.

Further, the longitudinal section of the bulge part is semicircular or U-shaped.

The utility model has the advantages that:

the utility model provides a divide gas pole subassembly is because have mutually independent and the unequal first air cavity of volume, second air cavity and third air cavity, therefore during the use, through controlling the break-make of two solenoid valves, can realize that the third air cavity admits air alone, the third air cavity admits air with first air cavity, the third air cavity admits air with the second air cavity and three air cavities all admit air four kinds of segmentation modes such as, because the air input of four kinds of segmentation modes is different, therefore the burning firepower that four kinds of segmentation modes produced is also diverse, has increased the adjusting range of firepower adjusting range and temperature from this; in addition, the constant temperature performance of the combustion water heater can be further improved by the four segmentation modes, so that the water temperature in summer can be quickly reduced, and the use experience of a user is improved.

The nozzle part comprises a nozzle cavity, the nozzle cavity is internally divided by the first air cavity, the second air cavity and the third air cavity, the nozzle cavity is separated from the gas distribution cavity through a partition plate, the partition plate is provided with a first through hole, a second through hole and a third through hole, and the gas distribution rod and the third through hole are coaxially arranged. By the design, the internal structure of the nozzle piece can be simpler and more compact, so that the processing difficulty and the volume of the nozzle piece are reduced; in addition, the gas distributing rod and the third through hole are coaxially arranged, so that the distance between the gas distributing rod and the third through hole can be shortened, and the heating speed during minimum firepower is increased.

The volume V1 of the first air cavity, the volume V2 of the second air cavity and the volume V3 of the third air cavity meet the requirements that V3 is less than V1 and V3 is less than V2. So design, can realize the heating of minimum firepower when closing first through-hole and second through-hole through two solenoid valves to make the temperature rise minimum, satisfy user's summer water demand.

V2 < V1, the number of nozzles communicated with the first air cavity is N1, the number of nozzles communicated with the second air cavity is N2, the number of nozzles communicated with the third air cavity is N3, and N3 < N2 < N1 is satisfied. So design, discharge fast in the gas of each gas chamber of can being convenient for to realize the multirow fire burning under the different combinations.

The flow-through gap gradually increases towards the nozzle. So design can increase and draw and penetrate the air intake to guarantee abundant burning.

The nozzle piece is provided with an outer wall facing to one side of the combustor, and the wall part of the outer wall below the nozzle is obliquely arranged from inside to outside from top to bottom. By the design, the flow velocity of the fuel gas in the air cavity can be increased, so that the fuel gas in the air cavity can be rapidly discharged.

The side wall of the nozzle piece facing the burner is provided with an outward bulge, and the nozzle is arranged on the bulge. By the design, the injection distance between the nozzle and the premixing cavity is shortened, the reasonable primary-secondary air ratio is ensured, and the purposes of fully burning and reducing smoke are achieved.

The longitudinal section of the bulge part is semicircular or U-shaped. Thereby reducing stress concentration in the raised portion and enhancing the structural strength of the raised portion.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic view of an assembly structure of a middle air distributing rod assembly according to an embodiment of the present invention;

fig. 2 is an exploded view of an air distributing rod assembly according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a middle air distributing rod assembly according to an embodiment of the present invention;

FIG. 4 is a partial sectional view of the gas distributing rod assembly according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of a combustion water heater according to a second embodiment of the present invention;

fig. 6 is an assembly structure diagram of a combustion water heater according to a second embodiment of the present invention.

Reference numerals:

100. a nozzle member; 101. a base; 1010. a wall portion; 1011. a raised portion; 102. a cover plate; 103. a seal ring; 110. a gas distribution cavity; 120. a first air cavity; 121. a first through hole; 130. a second air cavity; 131. a second through hole; 140. a third air cavity; 141. a third through hole; 200. a gas distributing rod; 300. an electromagnetic valve; 310. a valve body; 320. a valve head; 400. a partition plate; 500. a housing; 600. a fan; 610. an air outlet; 700. a burner; 710. a premix chamber; 800. a flow-through gap.

[ detailed description ] embodiments

The utility model provides a divide gas pole subassembly, including nozzle spare and branch gas pole, be equipped with branch air cavity and mutual independence and first air cavity, second air cavity and the third air cavity that the volume is unequal in the nozzle spare, divide the air cavity with divide gas pole intercommunication so that the gas warp divide the gas pole to get into divide the air cavity, first air cavity, second air cavity and third air cavity be equipped with respectively with divide first through-hole, second through-hole and the third through-hole of air cavity intercommunication, be equipped with on the nozzle spare and be used for the switching the solenoid valve of first through-hole and second through-hole and respectively with the nozzle of first air cavity, second air cavity and third air cavity intercommunication.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment,

Referring to fig. 1 to 4, the gas distributing rod assembly in the present embodiment includes a nozzle member 100 and a gas distributing rod 200, a gas distributing cavity 110, a first gas cavity 120, a second gas cavity 130, and a third gas cavity 140 that are independent from each other and have different volumes are disposed in the nozzle member 100, the gas distributing cavity 110 is communicated with the gas distributing rod 200 so that fuel gas enters the gas distributing cavity 110 through the gas distributing rod 200, the first gas cavity 120, the second gas cavity 130, and the third gas cavity 140 are respectively provided with a first through hole 121, a second through hole 131, and a third through hole 141 that are communicated with the gas distributing cavity 110, and an electromagnetic valve 300 for opening and closing the first through hole 121 and the second through hole 131, and a nozzle 150 that is respectively communicated with the first gas cavity 120, the second gas cavity 130, and the third gas cavity 140 are disposed on the nozzle.

Because the air distributing rod assembly in the embodiment is provided with the first air cavity 120, the second air cavity 130 and the third air cavity 140 which are independent from each other and have different volumes, when the air distributing rod assembly is used, four segmentation modes of independent air inlet of the third air cavity 140, air inlet of the third air cavity 140 and the first air cavity 120, air inlet of the third air cavity 140 and the second air cavity 130, air inlet of all three air cavities and the like can be realized by controlling the on-off of the two electromagnetic valves 300, and the combustion firepower generated by the four segmentation modes is different due to different air inlet amounts of the four segmentation modes, so that the firepower adjusting range and the water temperature adjusting range are increased; in addition, the constant temperature performance of the combustion water heater can be further improved by the four segmentation modes, so that the water temperature in summer can be quickly reduced, and the use experience of a user is improved.

Specifically, the nozzle member 100 in this embodiment includes a base 101 having a cavity, and a cover plate 102 covering the base 101 to seal the cavity, a partition 400 is disposed in the cavity to partition the cavity into an upper cavity and a lower cavity, the upper cavity is a nozzle cavity, the lower cavity is a gas distribution cavity 110, two vertical ribs disposed at intervals are disposed in the nozzle cavity to partition the nozzle cavity into the first air cavity 120, the second air cavity 130, and the third air cavity 140, and the first through hole 121, the second through hole 131, and the third through hole 141 are disposed at positions of the partition 400 corresponding to the first air cavity 120, the second air cavity 130, and the third air cavity 140, respectively. Therefore, the nozzle member 100 in this embodiment can form four cavities, namely the partial air cavity 110, the first air cavity 120, the second air cavity 130 and the third air cavity 140, by arranging the transverse partition plate 400 and the two vertical rib plates in the cavity so as to separate the cavity, so that the internal structure of the nozzle member 100 is simpler and more compact, and the processing difficulty and the volume of the nozzle member 100 are reduced. In order to avoid gas leakage, the nozzle member 100 of the present embodiment further includes a sealing ring 103, and the sealing ring 103 is installed between the base 101 and the cover plate 102.

In addition, the electromagnetic valve 300 in this embodiment includes a valve body 310 and valve heads 320 telescopically mounted on the valve body 310, the valve body 310 is located outside the nozzle member 100 and electrically connected to the controller, the valve heads 320 are disposed in the air distribution chamber 110, and in a closed state of the two electromagnetic valves 300, the two valve heads 320 extend out and abut against the partition plate 400 to respectively block the second through hole 131 and the first through hole 121; in the opened state of the two solenoid valves 300, the valve head 320 is retracted and separated from the partition 400 to open the second through-holes 131 and the first through-holes 121, respectively.

Next, the gas distributing rod 200 and the third through hole 141 in the present embodiment are coaxially disposed, so that the distance between the gas distributing rod 200 and the third through hole 141 can be shortened to increase the heating speed at the time of minimum thermal power.

In order to minimize the distance from the gas discharged from the gas distributing rod 200 to each gas chamber, the third gas chamber 140 in this embodiment is located between the first gas chamber 120 and the second gas chamber 130.

In the present embodiment, the volume V1 of the first air chamber 120, the volume V2 of the second air chamber 130, and the volume V3 of the third air chamber 140 satisfy V3 < V1, and V3 < V2. So design, can realize the heating of minimum firepower when closing first through-hole 121 and second through-hole 131 through two solenoid valves 300 to make the temperature rise minimum, satisfy user's summer water demand.

Further, V2 < V1 in the present embodiment, the number of nozzles 150 communicating with the first air chamber 120 is N1, the number of nozzles 150 communicating with the second air chamber 130 is N2, and the number of nozzles 150 communicating with the third air chamber 140 is N3, satisfying N3 < N2 < N1. So design, discharge fast in the gas of each gas chamber of can being convenient for to realize the multirow fire burning under the different combinations. Specifically, in the present embodiment, V1: V2: V3=7:3:2, N1: N2: N3=7:3:2, preferably, N1 is 7, N2 is 3, and N3 is 2, so that four kinds of combustion powers of 2-row flame combustion, 5-row flame combustion, 9-row flame combustion, and 12-row flame combustion can be realized by controlling the opening and closing of the two electromagnetic valves 300.

The specific control mode is that when the first through hole 121 and the second through hole 131 are closed by the two electromagnetic valves 300, the gas in the gas distribution cavity 110 enters the third gas cavity 140 through the third through hole 141 and is discharged by the 2 nozzles 150, so that 2-row flame combustion is realized, the combustion firepower is minimum, the lowest temperature rise is also minimum, the outlet water temperature is minimum, and the requirement of users on water consumption in summer can be met; when the first through hole 121 is closed and the second through hole 131 is opened, the gas in the gas distribution chamber 110 enters the second gas chamber 130 and the third gas chamber 140 through the second through hole 131 and the third through hole 141, respectively, and is discharged by 5 nozzles, so that 5-discharge fire combustion is realized, and at the moment, the combustion fire power and the water temperature are further improved; when the second through hole 131 is closed and the first through hole 121 is opened, the gas in the gas distribution chamber 110 enters the first gas chamber 120 and the third gas chamber 140 through the first through hole 121 and the third through hole 141 respectively and is discharged by 9 nozzles, so that 9-discharge fire combustion is realized, at the moment, the combustion firepower and the water temperature are further improved, and the water temperature is increased again; after the first through hole 121 and the second through hole 131 are opened simultaneously, at the moment, gas in the gas distribution cavity 110 enters the three gas cavities through the first through hole 121, the second through hole 131 and the third through hole 141 respectively and is discharged by 12 nozzles, 12-row fire combustion is realized, at the moment, the combustion firepower is maximum, the temperature rise is also maximum, the water outlet temperature is highest, and the water use requirement of a user in winter can be met.

It will be appreciated that the volumes of the three air chambers may also be such that: v3 < V1 < V2, in which case N3 < N1 < N2.

It is understood that the volume of the third air chamber may also be the largest of the three air chambers; or the volume of the third air chamber is between the volume of the first air chamber and the volume of the second air chamber.

Example II,

As shown in fig. 5 to 6, the embodiment further discloses a gas water heater using the gas distributing rod assembly according to the first embodiment, which includes a housing 500, a blower 600, a burner 700 and a gas distributing rod assembly installed in the housing 500, the blower 600 is installed at the bottom of the burner 700, the gas distributing rod assembly is installed at one side of the burner 700, the burner 700 has a plurality of premixing chambers 710 corresponding to and communicating with the nozzles 150 one by one, an air outlet 610 is formed at the top of the blower 600, a flow gap 800 for allowing air discharged from the air outlet 610 to enter the premixing chambers 710 is formed between the gas distributing rod assembly and the burner 700, and the flow gap 800 is gradually increased toward the direction close to the nozzles 150. So design can increase and draw and penetrate the air intake to guarantee abundant burning.

Preferably, in this embodiment, the base 101 has an outer wall facing the burner 700, and the nozzle 150 is disposed on the outer wall, and a wall portion 1010 of the outer wall below the nozzle 150 is inclined from the top to the bottom. By the design, the flow velocity of the fuel gas in the air cavity can be increased, so that the fuel gas in the air cavity can be rapidly discharged.

It will be appreciated that the burner has an outer wall facing the side of the gas splitter assembly, the wall of the outer wall below the inlet end of the premix chamber being inclined from the top to the bottom.

Further, in the present embodiment, the side wall of the base 101 facing the burner 700 is provided with a protrusion 1011 protruding outward, and the nozzle 150 is provided on the protrusion 1011. By the design, the injection distance between the nozzle 150 and the premixing cavity 710 is shortened, a reasonable primary-secondary air ratio is ensured, and the purposes of full combustion and smoke reduction are achieved. Preferably, the longitudinal section of the bulge portion in the present embodiment is semicircular or U-shaped, so that stress concentration of the bulge portion is reduced, and the structural strength of the bulge portion is enhanced. Of course, alternatively, the longitudinal cross-section of the ridge may also be square or tapered, etc.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The gas distributing rod assembly comprises a nozzle part and a gas distributing rod and is characterized in that a gas distributing cavity, a first gas cavity, a second gas cavity and a third gas cavity which are independent of each other and have different volumes are arranged in the nozzle part, the gas distributing cavity is communicated with the gas distributing rod so that fuel gas enters the gas distributing cavity through the gas distributing rod, a first through hole, a second through hole and a third through hole which are communicated with the gas distributing cavity are respectively arranged in the first gas cavity, the second gas cavity and the third gas cavity, and a solenoid valve for opening and closing the first through hole and the second through hole and a nozzle which is respectively communicated with the first gas cavity, the second gas cavity and the third gas cavity are arranged on the nozzle part.

2. The gas distributing rod assembly of claim 1, wherein the nozzle member comprises a nozzle cavity, the first air cavity, the second air cavity and the third air cavity are separated in the nozzle cavity, the nozzle cavity and the gas distributing cavity are separated by a partition plate, the partition plate is provided with the first through hole, the second through hole and the third through hole, and the gas distributing rod and the third through hole are coaxially arranged.

3. The gas distributing rod assembly according to claim 2, wherein a valve head of the solenoid valve is disposed in the gas distributing chamber, and in a closed state of the solenoid valve, the valve head abuts against the partition plate to block the second through hole and the first through hole.

4. The gas lever assembly of claim 1, wherein a volume V1 of the first air chamber, a volume V2 of the second air chamber, and a volume V3 of the third air chamber satisfy V3 < V1 and V3 < V2.

5. The air distribution lever assembly of claim 4, wherein V2 < V1, the number of nozzles communicating with the first air chamber is N1, the number of nozzles communicating with the second air chamber is N2, and the number of nozzles communicating with the third air chamber is N3, satisfying N3 < N2 < N1.

6. A gas heater, includes the casing, install fan, combustor and branch gas pole subassembly in the casing, the fan is installed the bottom of combustor, divide the gas pole unit mount in one side of combustor, its characterized in that, divide the gas pole subassembly to be one of claim 1 to 5 divide the gas pole subassembly, the combustor have a plurality ofly with the nozzle one-to-one and the preceding chamber that mixes of intercommunication, the fan top is equipped with the air outlet, divide the gas pole subassembly with be equipped with between the combustor and make the exhaust air of air outlet gets into the circulation clearance in the chamber of mixing in advance.

7. The gas water heater of claim 6, wherein said flow gap increases in size toward said nozzle.

8. The gas water heater of claim 7, wherein said nozzle member has an outer wall facing a side of said burner, said outer wall having a wall portion below said nozzle inclined from inside to outside from top to bottom.

9. The gas water heater of claim 6, wherein said nozzle member has an outwardly bulged portion on a side wall thereof facing said burner, said nozzle being provided on said bulged portion.

10. The gas water heater of claim 9, wherein said ridge is semi-circular or U-shaped in longitudinal cross-section.