CN218993445U

CN218993445U - Dual-purpose air jet pipe

Info

Publication number: CN218993445U
Application number: CN202223198823.9U
Authority: CN
Inventors: 卢宇聪; 王作盛; 张上兵
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-09
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to a dual-purpose air jet pipe, which comprises a pipe body, a first air inlet channel, a second air inlet channel and a plurality of stop valves, wherein a first chamber for supplying heat and air and a second chamber for supplying hot water and air are arranged in the pipe body; the first air inlet channel and the second air inlet channel are respectively communicated with a main air distribution channel and a secondary air distribution channel of the self cavity; the plurality of stop valves are used for opening or closing the corresponding gas distribution channels respectively. Through the arrangement, two functions of heating or hot water supply can be independently or simultaneously realized, and the two partition functions are independent, so that the regulation is convenient and the control is accurate.

Description

Dual-purpose air jet pipe

Technical Field

The utility model relates to the technical field of gas nozzles of gas water heaters, in particular to a dual-purpose gas nozzle.

Background

The existing dual-purpose gas water heater for providing heating and hot water generally uses the structure of the existing heating stove to realize function switching, and the structure comprises an air jet pipe and a set of combustion heat exchange system, and realizes the switching of heating and hot water supply functions by using a sleeve heat exchanger or a plate heat exchanger.

However, the existing gas water heater gas nozzles are generally not distinguished in function, and are matched with a single combustion heat exchange system, so that the structure is inconvenient in function switching, and the condition that water is suddenly cooled and heated easily occurs, so that the bathing and using experience of a user is reduced.

Disclosure of Invention

One of the technical problems to be solved by the utility model is to provide a dual-purpose air jet pipe, which effectively solves the problems of the air jet pipe in the prior art that the function distinction is not carried out, the switching working mode is inconvenient, the hot water output is unstable and the like, and has the advantages of being capable of carrying out structural partition corresponding to the functions of heating and hot water supply, realizing the independent or simultaneous fuel supply, being more convenient in function switching, stable in working state, meeting the requirements of users and the like.

The technical problems are solved by the following technical scheme:

a dual-purpose gas lance comprising:

the pipe body is internally provided with a first cavity for supplying heat and air and a second cavity for supplying hot water and air, the first cavity and the second cavity are internally provided with a main air distribution channel and a secondary air distribution channel, and each of the main air distribution channel and each of the secondary air distribution channels is provided with a nozzle communicated with the outside;

the first air inlet channel is communicated with the main air distribution channel and the secondary air distribution channel of the first cavity respectively;

the second air inlet channel is respectively communicated with the main air distribution channel and the secondary air distribution channel of the second chamber;

a plurality of stop valves which are in one-to-one correspondence with the secondary gas distribution channels and are respectively arranged between the gas distribution channels and the gas inlet channels and are used for opening or closing the corresponding secondary gas distribution channels

Compared with the background technology, the dual-purpose air jet pipe has the following beneficial effects: when a user needs to use hot water supply or a heating function, fuel gas can be introduced into the first air inlet channel or the second air inlet channel, so that the fuel gas enters the main air distribution channel of the corresponding first cavity or second cavity, and finally, the stop valve is driven to be opened, so that the fuel gas flows into the corresponding secondary air distribution channel, and the fuel gas load exhausted by the nozzle of the corresponding cavity is regulated, so that the load demands of a heating system and a hot water supply system are respectively adapted, and different use demands of the user are met.

In one embodiment, the number of secondary gas distribution channels and shut-off valves in the first chamber is less than the number of secondary gas distribution channels and shut-off valves in the second chamber.

In one embodiment, the inner walls of the main gas distribution channel and the secondary gas distribution channel are respectively provided with a convex separation rib, and the separation ribs are used for narrowing the flow area of the main gas distribution channel or the secondary gas distribution channel.

In one embodiment, the inner walls of the main gas distribution channel and the secondary gas distribution channel are respectively provided with two opposite separation ribs, and a gap between the two separation ribs is positioned in the middle of the main gas distribution channel or the secondary gas distribution channel.

In one embodiment, two separating ribs on the same channel are provided with inclined planes at one side close to the nozzle, so that the flow area of the channel in the direction of the nozzle is gradually increased.

In one embodiment, the tube body comprises a base, a cover plate covered on the base, and a sealing element arranged between the base and the cover plate.

In one embodiment, the seal is an elastic or adhesive member.

In one embodiment, the cover plate, the sealing element and the base are provided with a plurality of positioning holes correspondingly, and the screws can sequentially pass through the positioning holes on the cover plate, the sealing element and the base to connect and fix the cover plate, the sealing element and the base.

In one embodiment, the seal is shaped to conform to the shape of each of the primary and secondary gas distribution channels.

In one embodiment, the nozzles are arranged on the main gas distribution channel and the secondary gas distribution channel in a matrix mode.

In one embodiment, a plurality of secondary gas distribution channels are arranged in each chamber, and each stop valve is arranged at the joint of each secondary gas distribution channel and the corresponding gas inlet channel.

Drawings

FIG. 1 is a schematic cross-sectional view of a dual-purpose gas lance;

FIG. 2 is an exploded schematic view of a dual-purpose gas lance.

Description of the reference numerals:

10. a tube body; 101. a main gas separation channel; 102. a secondary gas separation channel; 103. a base; 104. a cover plate; 105. a seal; 106. positioning holes; 201. a first air intake passage; 202. a second intake passage; 30. a stop valve; 40. a separation rib; 401. an inclined plane; 50. and (3) a nozzle.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be understood that the terms "first," "second," and the like, if used for descriptive purposes only, are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Referring to fig. 1-2, the dual-purpose gas lance provided by the present utility model comprises: the pipe body 10 is internally provided with a first cavity for supplying heat and air and a second cavity for supplying hot water and air, wherein the first cavity and the second cavity are internally provided with a main air distribution channel 101 and a secondary air distribution channel 102, and the main air distribution channel 101 and the secondary air distribution channels 102 are respectively provided with a nozzle 50 communicated with the outside; the first air inlet channel 201 is respectively communicated with the main air distribution channel 101 and the secondary air distribution channel 102 of the first chamber; the second air inlet channel 202 is respectively communicated with the main air distribution channel 101 and the secondary air distribution channel 102 of the second chamber; the plurality of stop valves 30 are arranged between the sub-gas-dividing channels and the first air inlet channel 201 or the second air inlet channel 202 in a one-to-one correspondence manner, and the plurality of stop valves 30 are used for opening or closing the corresponding sub-gas-dividing channels respectively.

According to the scheme, when a user needs to use hot water or a heating function, fuel gas can be introduced into the first air inlet channel 201 or the second air inlet channel 202, so that the fuel gas enters the main air distribution channel 101 of the corresponding first chamber or second chamber, and finally, the stop valve 30 is driven to be opened, so that the gas flows into the corresponding secondary air distribution channel 102, and therefore, the load of the fuel gas exhausted by the nozzle 50 of the corresponding chamber is regulated, the load demands of a heating system and a hot water supply system are respectively adapted, and different use demands of the user are met. Through above-mentioned setting, this scheme not only can independently or realize heating or two kinds of functions of hot water supply simultaneously, and two subregions function are independent, and it is accurate to adjust convenient control.

In this embodiment, the number of the secondary gas separation channels 102 and the stop valves 30 in the first chamber is smaller than the number of the secondary gas separation channels 102 and the stop valves 30 in the second chamber. Specifically, as shown in fig. 1, only one secondary gas-dividing channel 102 and a corresponding number of stop valves 30 are arranged in the first chamber on the left, two secondary gas-dividing channels 102 and a corresponding number of stop valves 30 are arranged in the second chamber on the right, and because the number of the secondary gas-dividing channels 102 and the stop valves 30 in the first chamber is smaller than that of the secondary gas-dividing channels 102 and the stop valves 30 in the second chamber, the corresponding combustion load regulation ratio of the second chamber is larger, so that the second chamber is suitable for supplying gas to a heating system, the heating efficiency of the heating system is improved, and the first chamber can use a relatively smaller load to cooperate with a burner to circularly accumulate heat to a heating pipeline, thereby reducing energy consumption. Different load adaptation requirements for the heating system and the heating system are thereby achieved.

Of course, in some implementations, two secondary gas-dividing channels 102 and a corresponding number of stop valves 30 may be correspondingly disposed in the first chamber, and three or four secondary gas-dividing channels 102 and a corresponding number of stop valves 30 may be disposed in the second chamber, so that the requirements of adapting to different loads may be met, and the numbers of the secondary gas-dividing channels and the stop valves of the first chamber and the second chamber may be set correspondingly according to the actual requirements under the condition that the numbers of the secondary gas-dividing channels and the stop valves of the first chamber and the second chamber meet the above limitation, which is not limited herein.

In this embodiment, referring to fig. 1-2, raised separating ribs 40 are disposed on the inner walls of the main gas distribution channel 101 and the secondary gas distribution channel 102, and the separating ribs 40 are used to narrow the flow areas of the main gas distribution channel 101 and the secondary gas distribution channel 102. Through the arrangement of the separation ribs 40, the flow area of the main gas separation channel 101 or the secondary gas separation channel 102 is changed, and the flow area of the channel is narrowed, so that the time of the gas flow passing through the channel is improved, the flow efficiency of the gas is accelerated, the condition that the gas is sometimes not present in the combustion process is ensured, and the combustion effect is improved; the arrangement of the convex separation ribs 40 also changes the channel volume of the main gas distribution channel 101 or the secondary gas distribution channel 102, and the gas in the channels can be quickly combusted in a mode of reducing the volume of each channel, so that the valve can be timely flameout after closing, the heating accuracy of each function is improved, and the working performance of the constant temperature system is better. In other embodiments, the position and size of the separating rib 40 can be adjusted as required, and the pressure loss of the channel, the ejection capacity of the nozzle 50 and the size of the cavity in front of the nozzle 50 can be adjusted as well, which is not limited to the above implementation.

In combination with the above arrangement of the separation ribs 40, in this embodiment, as shown in fig. 1-2, two opposite separation ribs 40 are disposed on the inner walls of the main gas separation channel 101 and the secondary gas separation channel 102, and a gap between the two separation ribs 40 is located in the middle of the main gas separation channel 101 or the secondary gas separation channel 102. Through the relative setting of two separating ribs 40, can make the flow area shrink size of passageway more balanced even as far as possible, combine two at last the clearance between the separating rib 40 is located the passageway middle part, and this kind of mode can reduce the collision of gas and separating rib 40 in the passageway circulation process for the gas can circulate fast to nozzle 50 and improve the heating effect, ensures that the air feed is even.

In this embodiment, referring to fig. 1-2, the sides of the two separation ribs 40 on the same channel, which are close to the nozzle 50, are provided with inclined planes 401 so that the flow area of the channel in the direction of the nozzle 50 is gradually increased. Through the setting of above-mentioned inclined plane 401 for when the gas circulation is to being close to nozzle 50 position, the flow area can increase gradually, and the better circulation of gas is to each nozzle 50 on, ensures gas exhaust smooth and easy and the homogeneity of guaranteeing the burning, and the heating effect is better.

In this embodiment, referring to fig. 2, the pipe body 10 includes a base 103, a cover 104 covering the base 103, and a sealing member 105 disposed between the base 103 and the cover 104. Through the setting, set up body 10 components of a whole that can function independently, simple structure, convenient assembling has reduced the shaping degree of difficulty in addition, combines the setting of sealing member 105 simultaneously, can ensure the leakproofness between base 103 and the apron 104, prevents that gas from being discharged from the junction between base 103 and the apron 104, causes the gas extravagant, produces the security problem even.

In combination with the above arrangement of the sealing member 105, in this embodiment, the sealing member 105 is an elastic member or an adhesive member. By selecting the elastic piece or the adhesive piece as the sealing piece 105, the connection between the sealing piece 105 and the base 103 and the cover plate 104 can be more compact and firm, and meanwhile, the sufficient sealing effect can be ensured, and the use safety of the gas injection pipe is improved.

With reference to fig. 1-2, in this embodiment, a plurality of positioning holes 106 are correspondingly formed on the cover plate 104, the sealing member 105 and the base 103, and screws can sequentially pass through the positioning holes 106 on the cover plate 104, the sealing member 105 and the base 103 to connect and fix the three. Through the setting of locating hole 106, apron 104, sealing member 105 and base 103 three can be accurate realization assembly connection, improves installation accuracy and compactness between the three, from this the security that improves the use.

In combination with the above arrangement of the sealing member 105, in this embodiment, the shape of the sealing member 105 is adapted to the shape of each of the main gas distribution channels 101 and each of the sub gas distribution channels 102. Through the arrangement, the shape of the sealing element 105 is mainly adapted to the outlines of the main gas distribution channel 101 and each secondary gas distribution channel 102, meanwhile, the shapes of the separation ribs 40 are not regular, the outlines are complex, and the sealing element 105 is not synchronously adapted to the separation ribs 40, so that the processing difficulty of the sealing element 105 is reduced, and the setting cost of the sealing element 105 is reduced. In this embodiment, as shown in fig. 1-2, the plurality of nozzles 50 are arranged in a matrix on the main gas distribution channel 101 and the sub gas distribution channel 102, respectively. Through the arrangement of the plurality of nozzles 50, the gas displacement of each channel can be improved, and the matrix arrangement of the plurality of nozzles 50 can make the gas discharge and combustion more uniform, so that the heating effect of the corresponding chamber is improved.

In this embodiment, as shown in fig. 1-2, a plurality of the secondary air distribution channels 102 are disposed in each chamber, and each stop valve 30 is disposed at a connection position between each secondary air distribution channel 102 and each corresponding air intake channel. Through the setting of many times divide gas passageway 102, the controller can control the break-make condition of many times divide gas passageway 102 according to user's different service conditions, and the convenience of customers adjusts gas heater's burning load from this, finally improves the precision of control gas heater constant temperature regulation, improves user's use experience. In the specific content of the above embodiment, any combination of the technical features may be performed without contradiction, and for brevity of description, all possible combinations of the technical features are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing detailed description of the embodiments presents only a few embodiments of the present utility model, which are described in some detail and are not intended to limit the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The dual-purpose gas jet pipe is characterized by comprising:

the pipe body (10), a first cavity for supplying heat and air and a second cavity for supplying hot water and air are arranged in the pipe body (10), a main air distribution channel (101) and a secondary air distribution channel (102) are arranged in the first cavity and the second cavity, and a nozzle (50) communicated with the outside is arranged on each main air distribution channel (101) and each secondary air distribution channel (102);

a first air inlet channel (201) which is respectively communicated with the main air distribution channel (101) and the secondary air distribution channel (102) of the first chamber;

a second air inlet channel (202) which is respectively communicated with the main air distribution channel (101) and the secondary air distribution channel (102) of the second chamber;

and a plurality of stop valves (30) which are arranged between the sub-gas distribution channels (102) and the first air inlet channel (201) or the second air inlet channel (202) respectively, are in one-to-one correspondence with the sub-gas distribution channels (102) and are used for opening or closing the corresponding sub-gas distribution channels (102).

2. The dual-purpose gas lance of claim 1, wherein: the number of secondary gas separation channels (102) and shut-off valves (30) in the first chamber is less than the number of secondary gas separation channels (102) and shut-off valves (30) in the second chamber.

3. The dual-purpose gas lance of claim 1, wherein: the inner walls of the main gas distribution channel (101) and the secondary gas distribution channel (102) are respectively provided with a convex separation rib (40), and the separation ribs (40) are used for narrowing the flow area of the main gas distribution channel (101) or the secondary gas distribution channel (102).

4. The dual-purpose gas lance of claim 3 wherein: the inner walls of the main gas distribution channel (101) and the secondary gas distribution channel (102) are respectively provided with two opposite separation ribs (40), and a gap between the two separation ribs (40) is positioned in the middle of the main gas distribution channel (101) or the secondary gas distribution channel (102).

5. The dual-purpose gas lance of claim 4, wherein: one side of the two separation ribs (40) on the same main gas separation channel (101) or secondary gas separation channel (102) close to the nozzle (50) is provided with inclined planes (401) so that the flow area of the channel in the direction of the nozzle (50) is gradually increased.

6. The dual-purpose gas lance of claim 1, wherein: the pipe body (10) comprises a base (103), a cover plate (104) covered on the base (103) and a sealing piece (105) arranged between the base (103) and the cover plate (104).

7. The dual purpose gas lance of claim 6, wherein: the seal (105) is an elastic or adhesive member.

8. The dual purpose gas lance of claim 6, wherein: a plurality of positioning holes (106) are correspondingly formed in the cover plate (104), the sealing piece (105) and the base (103), and screws can sequentially penetrate through the positioning holes (106) in the cover plate (104), the sealing piece (105) and the base (103) to connect and fix the cover plate, the sealing piece (105) and the base (103).

9. The dual purpose gas lance of claim 6, wherein: the shape of the sealing member (105) is adapted to the shape of each of the main gas distribution channels (101) and each of the sub gas distribution channels (102).

10. The dual-purpose gas lance of claim 1, wherein: the plurality of nozzles (50) are arranged on the main gas distribution channel (101) and the secondary gas distribution channel (102) in a matrix mode.