CN211781908U

CN211781908U - Gas heater combustor assembly and gas heater

Info

Publication number: CN211781908U
Application number: CN202020089225.XU
Authority: CN
Inventors: 卢宇聪; 李学研; 潘同基; 张上兵; 李罗标
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-27
Anticipated expiration: 2030-01-15

Abstract

According to the utility model discloses a gas heater combustor assembly, which comprises a housin, be formed with the cavity in the casing, still include: the combustion device comprises a combustor body and a fan, wherein the combustor body comprises a combustion part, the combustion part is positioned in the cavity, and the fan is positioned outside the cavity; the heat exchange tube assembly comprises a first heat exchange tube, and the first heat exchange tube is positioned in the cavity; and the heat dissipation assembly is positioned between the cavity and the fan and comprises a second heat exchange tube which is communicated with the first heat exchange tube. The temperature of fan can be reduced, the life of fan is improved, the heat that radiating component gived off can be utilized to heat water, the increasing the thermal efficiency. The utility model discloses can be applied to gas heater.

Description

Gas heater combustor assembly and gas heater

Technical Field

The utility model relates to a water heater field, in particular to gas heater combustor assembly and gas heater.

Background

The gas water heater is a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water.

In the prior art, a gas water heater with a burner mounted at the top appears, condensed water generated in the working process of a subsequent water heater is easy to collect and process, but the top of the water heater generates high temperature, so that the service life of a fan is influenced, heat is directly dissipated to air, and the heat efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas heater combustor assembly and a gas heater to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

For solving the technical problem, according to the utility model discloses a gas heater combustor assembly of embodiment, which comprises a housin, be formed with the cavity in the casing, still include:

the combustion device comprises a combustor body and a fan, wherein the combustor body comprises a combustion part, the combustion part is positioned in the cavity, and the fan is positioned outside the cavity;

the heat exchange tube assembly comprises a first heat exchange tube, and the first heat exchange tube is positioned in the cavity;

and the heat dissipation assembly is positioned between the cavity and the fan and comprises a second heat exchange tube which is communicated with the first heat exchange tube.

According to the utility model discloses a gas heater of first aspect embodiment has following beneficial effect at least: because install radiator unit between fan and the cavity, the heat that the cavity produced distributes to the external world through radiator unit, can reduce the temperature of fan, improves the life of fan to, the second heat exchange tube is installed in radiator unit's tube seat, can utilize the heat that radiator unit gived off to heat water, the increasing of heat efficiency.

According to some embodiments of the utility model, the burner still including being located the intake pipe outside the cavity, the intake pipe with the fan is connected, the fan with this body coupling of combustor, the casing includes lateral wall and tip, radiator unit is located the casing orientation the tip of fan one side. Therefore, the mounting structure of the combustion device, the fan and the shell is provided, the structure is compact, the fan and the combustor body are mounted together through the shell, and integrated production is facilitated.

According to some embodiments of the present invention, the heat dissipation assembly includes an accommodating portion for at least partially accommodating the second heat exchange tube. Set up holding portion and place the second heat exchange tube in the holding portion, be favorable to strengthening the heat exchange efficiency of radiator unit and second heat exchange tube, better with the heat conversion in the cavity to the second heat exchange tube on.

According to some embodiments of the utility model, radiator unit includes the rigid coupling and is in the lower cover of tip and connection the lower cover dorsad the upper cover of casing one side, the holding portion by upper cover and lower cover concatenation form. Specifically, the holding portion is a hole structure which is formed by splicing the upper cover and the lower cover, and the heat exchange efficiency of the heat dissipation assembly and the second heat exchange tube is further increased by the holding portion of the hole structure.

According to the utility model discloses a some embodiments, the heat exchange tube subassembly still includes the adapter, the adapter is located outside the casing, first heat exchange tube includes first link and first intercommunication end, the second heat exchange tube includes second link and second intercommunication end, first intercommunication end stretch to outside the casing, first link and second link pass through the adapter intercommunication, second intercommunication end stretch to outside the radiator unit. From this, first heat exchange tube and second heat transfer pass through the adapter intercommunication, and both can the components of a whole that can function independently manufacturing, and first heat exchange tube and second heat exchange tube can select for use the heat exchange tube that the characteristic is different as required, for example the finned tube that heat exchange efficiency is high is selected for use to the first heat exchange tube that is located the cavity, and the second heat exchange tube that is located the tube seat then selects for use the glossy heat dissipation copper pipe in order to adapt to the less situation in installation space. In addition, the first heat exchange tube and the shell are assembled together due to the fact that the first heat exchange tube and the second heat exchange tube are manufactured in a split mode, installation is more convenient, and the second heat exchange tube and the heat dissipation assembly are installed together to be assembled more conveniently.

According to the utility model discloses a some embodiments, first mouth of pipe has been seted up on the casing, the second mouth of pipe has been seted up on the radiator unit, holding portion and the intercommunication of the second mouth of pipe, the adapter includes first takeover hole and the second takeover hole that communicates mutually, first link passes first mouth of pipe stretches into it is downthehole that first takeover, the inboard in first takeover hole is equipped with the seal groove, be equipped with the sealing washer in the seal groove, the both sides of sealing washer respectively with the seal groove with first heat exchange tube butt, the second link passes the second mouth of pipe and stretches into the second takeover hole. The sealing ring and the sealing groove are arranged at the first connecting pipe hole, so that water can be better prevented from flowing out from a gap between the first heat exchange pipe and the first connecting pipe hole. Of course, a sealing structure is also arranged between the second heat exchange tube and the second tube opening, and the sealing structure can be a sealing groove, and a sealing ring is arranged in the sealing groove, or the second tube connecting hole is hermetically connected with the second tube opening in a welding manner.

According to some embodiments of the utility model, the holding portion is formed by the concatenation of upper groove and lower groove, the upper groove form in the outer fringe of upper cover, the lower groove corresponding to the upper groove form in the outer fringe of lower cover. Therefore, the containing part formed by splicing the upper groove and the lower groove is formed on the outer edge of the lower cover, and a larger heat dissipation area is formed between the containing part and the heat dissipation pipe.

According to some embodiments of the utility model, the lower cover orientation one side of fan is equipped with a plurality of fin, the fin with the lower groove meets, the upper cover in the relevant position of fin is equipped with fretwork portion, the fin in fretwork portion exposes in the external world. The fins are arranged and exposed to the outside, so that heat dissipation through the fins is facilitated.

According to the utility model discloses a some embodiments, the middle part of lower cover is equipped with hollow boss, the fan is installed on the boss, the fin is radial, the fin towards the one end at middle part with the boss meets, the fin towards the one end of outer fringe with the lower groove is connected. The fin is radial arrangement and inboard meets with the boss, can give off the heat of boss to the external world better, reduces the temperature of fan.

According to the embodiment of the second aspect of the present invention, the present invention further provides a gas water heater, which comprises a gas water heater burner assembly as in any of the above embodiments.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic structural view of the present invention, wherein the hollow arrow indicates the air flow entering direction;

fig. 2 is a schematic structural view of the heat dissipation assembly of the present invention;

figure 3 is a schematic structural view of the adapter of the present invention;

fig. 4 is a schematic diagram of the first heat exchange tube of the present invention, which is simplified to avoid the disorder of overlapping lines;

fig. 5 is a partially enlarged view of a portion a in fig. 4.

In the drawings:

100-a housing; 110-a cavity;

210-a burner body; 220-a fan; 230-an air inlet pipe;

300-a heat sink assembly; 310-upper cover; 320-a lower cover; 321-a boss;

410-a first heat exchange tube; 411-first communication end; 412-annular fins; 420-a second heat exchange tube; 421-a second communication end;

500-an adapter; 510-a first tubing hole; 520-a second tubing aperture; 530-sealing ring;

600-an ignition needle;

700-feedback needle.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number. If there is a description of "first", "second", etc., this is for the purpose of distinguishing between technical features and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, an embodiment of the first aspect of the present invention provides a gas water heater burner assembly, which is a part of a complete gas water heater, and is required to be matched with a pipeline of the gas water heater and an electric control system in a normal use state. Of course, the use of the burner assembly of the present embodiment in a gas water heater is only an example of an application, and the present invention does not exclude other implementation scenarios in which the burner assembly is used.

A gas water heater burner assembly comprising a housing 100, said housing 100 having a cavity 110 formed therein, further comprising:

the combustion device comprises a burner body 210 and a fan 220, wherein the burner body 210 comprises a combustion part which is positioned in the cavity 110, and the fan 220 is positioned outside the cavity 110;

a heat exchange tube assembly comprising a first heat exchange tube 410, the first heat exchange tube 410 being located within the cavity 110;

the heat dissipation assembly 300 is located between the cavity 110 and the fan 220, the heat dissipation assembly 300 comprises a second heat exchange pipe 420, and the second heat exchange pipe 420 is communicated with the first heat exchange pipe 410.

Specifically, the upper side of the casing 100 is open, and the cavity 110 is enclosed by the casing 100, the heat sink assembly 300 mounted on the upper side of the casing 100, and the burner body 210 mounted on the heat sink assembly 300 and extending to the cavity 110.

The combustion apparatus further includes an air inlet pipe 230 located outside the cavity 110, the air inlet pipe 230 is connected to the fan 220, the fan 220 is connected to the burner body 210, the casing 100 includes a side wall and an end portion, and the heat dissipation assembly 300 is located at the end portion of the casing 100 facing to one side of the fan 220.

The air inlet pipe 230 comprises a gas inlet and an air inlet, and a sectional valve is arranged in the air inlet pipe 230. The gas passes through pipeline and gas inlet intercommunication from the gas air supply system of peripheral hardware, and the air gets into from air inlet, and air inlet can communicate with external environment through the pipeline, perhaps, sets up the air inlet of intake pipe 230 on the gas heater's of peripheral hardware main part lateral wall, and air and gas are driven by fan 220 and are mixed in intake pipe 230 department, carry to combustor body 210, export to the cavity 110 in through the combustion portion. The section valve arranged in the air inlet pipe 230 changes the mixing ratio of air and fuel gas during the action of the section valve, so that the combustion temperature of the cavity 110 is changed, a user can adjust the heating speed of the burner according to the room temperature, and the water temperature is adjusted.

Of course, the gas water heater burner further comprises an ignition needle 600 and a feedback needle 700, wherein the ignition needle 600 is used for igniting gas, and the feedback needle 700 is used for detecting whether the ignition needle 600 successfully ignites the gas.

The heat exchange tube assembly further comprises an adapter 500, the adapter 500 is located outside the casing 100, the first heat exchange tube 410 comprises a first connecting end and a first communicating end 411, the second heat exchange tube 420 comprises a second connecting end and a second communicating end 421, the first communicating end 411 extends to the outside of the casing 100, the first connecting end and the second connecting end are communicated through the adapter 500, and the second communicating end 421 extends to the outside of the heat dissipation assembly 300.

The first heat exchange tube 410 and the second heat exchange tube 420 are independent components, the first heat exchange tube 410 and the second heat exchange tube 420 are respectively installed on the shell 100 and the heat dissipation device, and the operation space is larger when the first heat exchange tube 410 and the second heat exchange tube 420 are assembled, so that the assembly is more convenient. The lower end of the first heat exchanging pipe 410 is a first communicating end 411, which extends out of the housing 100 through the first pipe orifice. The upper end of the second heat exchanging pipe 420 is a second communicating end 421, which extends to the upper side of the upper cover 310 through a second pipe opening. In this embodiment, the first communication end 411 is a cold water inlet, the second communication end 421 is a hot water outlet, and the temperature of the hot water is stable. Of course, in other embodiments, the first communication end 411 may be set as a hot water outlet, and the first communication end 411 may be a cold water inlet.

When the burner assembly is used, the first communication end 411 and the second communication end 421 are communicated with an external waterway system, gas and air are blown to the burner body 210 by the fan 220 through the air inlet pipe 230 and are input into the cavity 110 through the combustion part of the burner body 210, the electric connection post of the ignition needle 600 is arranged at the outer side of the shell 100 and is connected with an external power supply, and the ignition needle 600 is electrified to ignite the gas; because install heat radiating component 300 between fan 220 and the cavity 110, the heat that cavity 110 produced distributes to the external world through heat radiating component 300, can reduce fan 220's temperature, improves fan 220's life to, second heat exchange tube 420 is installed in heat radiating component 300's tube seat, can utilize the heat that heat radiating component 300 distributed to heat water, the increasing heat efficiency. Besides, since the burner is installed at the top of the casing 100, the condensed water generated on the outer surface of the first heat exchange pipe 410 can drop to the bottom of the casing 100 under the action of its own weight, and a drain hole (not shown) is formed at the bottom of the casing 100 to facilitate collecting and disposing of the condensed water. Certainly, in order to avoid the excessive pressure when the cavity 110 is burned, the sidewall of the casing 100 is further provided with an air vent (not shown) for communicating the cavity 110 with the outside.

Referring to fig. 2, the heat dissipation assembly 300 includes a receiving portion for at least partially receiving the second heat exchange tube 420. The heat dissipation assembly 300 includes a lower cover 320 fixed to the end portion and an upper cover 310 connected to a side of the lower cover 320 facing away from the housing 100, and the accommodating portion is formed by splicing the upper cover 310 and the lower cover 320. Further, the receiving portion is formed by splicing an upper groove formed at the outer edge of the upper cover 310 and a lower groove formed at the outer edge of the lower cover 320 corresponding to the upper groove.

One side of the lower cover 320 facing the fan 220 is provided with a plurality of ribs, the ribs are connected to the lower groove, the upper cover 310 is provided with hollow parts at corresponding positions of the ribs, and the ribs are exposed to the outside at the hollow parts.

The middle part of the lower cover 320 is provided with a hollow boss 321, the fan 220 is arranged on the boss 321, the fins are radial, one end of the fins facing the middle part is connected with the boss 321, and one end of the fins facing the outer edge is connected with the lower groove.

The first heat exchanging pipe 410 and the second heat exchanging pipe 420 are connected outside the case 100 through the adapter 500.

Referring to fig. 3, the adapter 500 includes a first adapter hole 510 and a second adapter hole 520 that are communicated with each other, the first connection end passes through the first pipe orifice and extends into the first adapter hole 510, a sealing groove is disposed on an inner side of the first adapter hole 510, a sealing ring 530 is disposed in the sealing groove, and an outer side and an inner side of the sealing ring 530 are respectively abutted to the sealing groove and the first heat exchange pipe 410. Thus, the first heat exchange pipe 410 and the first header hole 510 are hermetically connected by the sealing ring 530. The second connecting end extends into the second pipe connecting hole 520 through the second pipe orifice, and the second pipe connecting hole 520 and the second pipe orifice are hermetically connected in a girth welding mode in the second pipe connecting hole 520. The inner side of the second pipe hole 520 is further provided with a limit boss 321 to limit the depth of the second heat exchange pipe 420 extending into the second pipe hole 520.

Referring to fig. 4 and 5, the first heat exchange tube 410 is a spiral fin heat exchange tube, which includes a spiral coil and a plurality of spaced ring fins 412 connected to the outside of the coil. The burner body 210 is located at the inner side thereof when the first heat exchange pipe 410 is assembled.

The embodiment of the second aspect of the utility model provides a gas heater still provides, it includes the gas heater burner assembly in any one above-mentioned embodiment. It will be appreciated that it also includes components such as a fan 220 assembly, heat exchanger assembly, air control system assembly, electrical control system assembly, etc. as is conventional in gas water heaters.

It can be understood, because the embodiment of the second aspect of the present invention includes a gas water heater burner assembly in any of the above embodiments, the embodiment of the second aspect of the present invention also includes the beneficial effects of the embodiment of a gas water heater burner assembly, which is not repeated here.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A gas water heater burner assembly, includes casing (100), be formed with cavity (110) in casing (100), its characterized in that: further comprising:

the combustion device comprises a combustor body (210) and a fan (220), wherein the combustor body (210) comprises a combustion part, the combustion part is positioned in the cavity (110), and the fan (220) is positioned outside the cavity (110);

a heat exchange tube assembly comprising a first heat exchange tube (410), the first heat exchange tube (410) being located within the cavity (110);

the heat dissipation assembly (300) is located between the cavity (110) and the fan (220), the heat dissipation assembly (300) comprises a second heat exchange pipe (420), and the second heat exchange pipe (420) is communicated with the first heat exchange pipe (410).

2. A gas water heater burner assembly as defined in claim 1, wherein: the combustion device further comprises an air inlet pipe (230) located outside the cavity (110), the air inlet pipe (230) is connected with the fan (220), the fan (220) is connected with the combustor body (210), the shell (100) comprises a side wall and an end portion, and the heat dissipation assembly (300) is located at the end portion, facing one side of the fan (220), of the shell (100).

3. A gas water heater burner assembly as defined in claim 2, wherein: the heat dissipation assembly (300) comprises a containing part which is used for at least partially containing the second heat exchange tube (420).

4. A gas water heater burner assembly as defined in claim 3, wherein: the heat dissipation assembly (300) comprises a lower cover (320) fixedly connected to the end portion and an upper cover (310) connected to one side, back to the shell (100), of the lower cover (320), and the accommodating portion is formed by splicing the upper cover (310) and the lower cover (320).

5. A gas water heater burner assembly as defined in claim 3, wherein: the heat exchange tube assembly further comprises an adapter (500), the adapter (500) is located outside the shell (100), the first heat exchange tube (410) comprises a first connecting end and a first communicating end (411), the second heat exchange tube (420) comprises a second connecting end and a second communicating end (421), the first communicating end (411) extends to the outside of the shell (100), the first connecting end and the second connecting end are communicated through the adapter (500), and the second communicating end (421) extends to the outside of the heat dissipation assembly (300).

6. A gas water heater burner assembly as defined in claim 5, wherein: the heat dissipation assembly comprises a shell (100), a first pipe orifice is formed in the shell (100), a second pipe orifice is formed in the heat dissipation assembly (300), a containing part is communicated with the second pipe orifice, the adapter (500) comprises a first pipe orifice (510) and a second pipe orifice (520) which are communicated with each other, the first connecting end penetrates through the first pipe orifice and extends into the first pipe orifice (510), a sealing groove is formed in the inner side of the first pipe orifice (510), a sealing ring (530) is arranged in the sealing groove, two sides of the sealing ring (530) are respectively abutted to the sealing groove and the first heat exchange tube (410), and the second connecting end penetrates through the second pipe orifice and extends into the second pipe orifice (520).

7. A gas water heater burner assembly as defined in claim 4, wherein: the accommodating part is formed by splicing an upper groove and a lower groove, the upper groove is formed at the outer edge of the upper cover (310), and the lower groove is formed at the outer edge of the lower cover (320) corresponding to the upper groove.

8. A gas water heater burner assembly as defined in claim 7, wherein: one side of the lower cover (320) facing the fan (220) is provided with a plurality of ribs, the ribs are connected with the lower groove, hollow parts are arranged at the corresponding positions of the ribs on the upper cover (310), and the ribs are exposed to the outside in the hollow parts.

9. A gas water heater burner assembly as defined in claim 8, wherein: the middle part of lower cover (320) is equipped with hollow boss (321), fan (220) are installed on boss (321), the fin is radial, the fin towards the middle part one end with boss (321) meet, the fin towards the outer fringe one end with the lower groove is connected.

10. A gas water heater, its characterized in that: comprising a gas water heater burner assembly as claimed in any one of claims 1 to 9.