CN110793188A

CN110793188A - Gas water heater

Info

Publication number: CN110793188A
Application number: CN201911107696.7A
Authority: CN
Inventors: 卢楚鹏; 李志强; 鲁信辉
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-02-14

Abstract

The invention relates to a gas water heater, which comprises an outer shell, wherein the outer shell is cylindrical, the gas water heater also comprises an inner shell positioned in the outer shell, an air inlet channel is formed between the outer shell and the inner shell, the inner shell comprises a heat exchange section and a smoke exhaust section connected with the heat exchange section, a cavity for at least partially accommodating a combustion assembly and the heat exchange assembly is formed in the heat exchange section, the smoke exhaust section is used for exhausting smoke to the outside, a smoke exhaust hole is formed in the smoke exhaust section, and an air inlet is formed in the outer shell. From this, solved a great deal of problem that current gas heater smoke exhaust pipe split type installation brought to directly to outdoor smoke exhaust through gas heater's the section of discharging fume, can reduce the influence of gas waste gas to the room air to the at utmost, and then improved gas heater security performance.

Description

Gas water heater

Technical Field

The invention relates to the technical field of water heaters, in particular to a gas water heater.

Background

The gas water heater is an appliance for preparing hot water by using high-temperature flue gas generated by gas combustion, and is deeply loved by users to be widely installed in the families of the users due to the convenience of preparing the hot water. In order to prevent the influence of waste gas and harmful gas generated by combustion on the health of users, a gas water heater manufacturer additionally matches with a set of smoke exhaust pipe with standard length, so that the combusted waste gas is exhausted outdoors.

Because current gas heater is generally hanging to be installed on the wall, including the indoor complicated changeable installation environment of user, it is very inconvenient to probably lead to the installation of the pipe of discharging fume, it is not enough often to appear supporting tobacco pipe length, need additionally purchase the tobacco pipe, even need additionally purchase a plurality of tobacco pipes of a plurality of elbows just can be outdoor with the waste gas discharge of burning, reduced gas heater security performance and hot water performance among the intangible, the cost of transportation has been increased simultaneously, installation cost, user purchase cost, and then reduced user's use and experienced.

Disclosure of Invention

The invention aims to provide a gas water heater, which is used for avoiding the problem of reduction of user experience caused by the installation of a smoke exhaust pipe of the gas water heater.

The technical problem is solved by the following technical scheme:

the utility model provides a gas water heater, includes the shell, and the shell is the tube-shape, and gas water heater is still including being located the inside inner shell of shell, forms inlet air channel between shell and the inner shell, and the inner shell includes the heat transfer section and connects in the section of discharging fume of heat transfer section, and the inside cavity that is formed with at least partial holding combustion assembly and heat transfer assembly of heat transfer section, the section of discharging fume is used for discharging the flue gas to outdoor, and the section of discharging fume is formed with the smoke vent, and the shell is formed with the.

Compared with the background technology, the gas water heater of the invention has the following beneficial effects: the novel structure of the gas water heater is designed into an integral structure with the smoke exhaust pipe and the water heater body, an additional smoke exhaust pipe is not needed to be configured, the problems caused by split installation of the smoke exhaust pipe of the existing gas water heater are solved, smoke is directly exhausted outdoors through the smoke exhaust section of the gas water heater, the influence of gas waste gas on indoor air can be reduced to the greatest extent, and the safety performance of the gas water heater is improved.

In one embodiment, the axis of the outer shell is horizontal, the combustion assembly comprises a fan and a burner, the burner and the heat exchange assembly are horizontally arranged, and the air outlet direction of the fan is consistent with the axis direction of the inner shell so as to drive smoke generated by the burner to flow in the horizontal direction. So, arrange gas heater's combustor and heat exchange assemblies level to the air-out direction level that makes the fan can realize gas heater's flue gas horizontal flow, makes whole gas heater can realize transverse arrangement, can be used to design more diversified product appearance, promotes user's aesthetic experience.

In one embodiment, the fan is positioned at the air inlet end of the combustor, and the axial direction of the smoke exhaust section is parallel to the air outlet direction of the fan. So, locate the air inlet end of keeping away from the high temperature flue gas with the fan, can avoid the fan to work under high temperature environment, and then play extension fan life's effect, and make gas heater's the exhaust direction be on a parallel with the air-out direction of fan, not only can guarantee good horizontal smoke exhaust effect, can also simplify smoke exhaust structure, control manufacturing cost.

In one embodiment, the heat exchange section and the smoke exhaust section are coaxially arranged, the smoke exhaust hole is circumferentially arranged on the outdoor side of the smoke exhaust section, one outdoor end of the shell is closed, and the air inlet is circumferentially arranged on the outdoor side of the shell. So, but heat transfer section and the coaxial function of discharging fume of the section of discharging fume of furthest performance fan of setting up, and the section of discharging fume has set up the smoke vent that runs through the barrel along circumference in order to realize discharging fume, can realize the function of discharging fume better.

In one embodiment, the heat exchanger of the heat exchange assembly is enclosed outside the burner, or the burner is enclosed outside the heat exchange assembly. So, can do benefit to the miniaturization that realizes the product with combustor and the coaxial arrangement of heat transfer subassembly, can be used to guarantee gas heater's heat transfer effect moreover. Such as: the burner is arranged in the middle along the axis of the shell, the heat exchange pipeline is arranged around the burner, and the flue gas flows along the transverse direction, so that the heat exchange pipeline can effectively obtain the heat in the flue gas; or the burner is designed into a cylinder body with an annular cross section outline, the combustible gas is sprayed into the cavity between the inner wall and the outer wall of the cylinder body, the heat exchange assembly is enclosed in the cylinder body of the burner, and the flame generated by the burner faces the heat exchange assembly.

In one embodiment, the air conditioner further comprises a panel, and the panel is covered on one end of the shell facing the indoor. Therefore, the unchangeable square appearance of the gas water heater is favorably changed, the design is convenient to have diversified product appearances, and the personalized aesthetic requirements of users are improved.

In one embodiment, the fan further comprises a control device, and the control device is positioned on one side, facing away from the combustor, of the fan or is arranged close to the panel. Therefore, the control device can be placed in a relatively low-temperature environment, and damage or abnormity of the control device due to high temperature can be avoided.

In one embodiment, the shell comprises an indoor section and a mounting section, wherein a mounting step is formed at the joint of the indoor section and the mounting section, and the panel cover is arranged at one end, facing the indoor, of the indoor section. So, set up the installation step between indoor section and installation section, both be convenient for the installation location of product, also be convenient for promote its installation reliability.

In one embodiment, the light emitting device is arranged on the circumference of the indoor section, and the display device and/or the interaction device are arranged on the panel. So, can make gas heater have the function of illumination or environment beautification simultaneously concurrently, easily combine together with the house ornamentation environment, display device and/or interactive device set up the user's of being convenient for use on the panel in addition.

In one embodiment, the gas water heater is mounted to the object to be mounted through the mounting hole. Therefore, the embedded installation mode can be quickly installed after the wall is drilled through the water mill, and the installation is simple and efficient; meanwhile, the integrated structure is compact, the occupied space position in a user room is small, only the panel with the function control function and the indoor section are left indoors, the indoor environment space layout of the user is hardly influenced, and the integrated structure can be used for greatly meeting the aesthetic experience of the user.

Drawings

Fig. 1 is an external view of a gas water heater according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a gas water heater according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a housing according to an embodiment of the invention;

FIG. 4 is a schematic structural diagram of an inner case according to an embodiment of the present invention;

FIG. 5 is a schematic view of an installation of a gas water heater according to an embodiment of the present invention;

fig. 6 is a diagram illustrating an installation effect of a gas water heater according to an embodiment of the present invention.

Reference numerals:

1. a gas water heater; 10. a housing; 11. a housing; 111. an installation section; 112. an air inlet; 113. a water inlet; 114. a water outlet; 115. an air inlet; 116. an outdoor section; 117. an indoor section; 12. An inner shell; 121. a smoke vent; 122. a heat exchange section; 123. a smoke exhaust section; 13. an air inlet channel; 21. A heat exchange line; 22. heat exchange fins; 23. a water temperature sensor; 24. a water flow sensor; 31. A fan; 32. a burner; 33. a gas valve; 34. an ignition device; 40. a panel; 50. a control device; 60. a display device; 2. an object to be mounted.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it should be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

In one embodiment, referring to fig. 1 to 4, a gas water heater 1 includes an outer shell 11, the outer shell 11 is cylindrical, the gas water heater further includes an inner shell 12 located inside the outer shell 11, an air inlet channel 13 is formed between the outer shell 11 and the inner shell 12, the inner shell 12 includes a heat exchange section 122 and a smoke exhaust section 123 connected to the heat exchange section 122, a cavity at least partially accommodating a combustion assembly and the heat exchange assembly is formed inside the heat exchange section 122, the smoke exhaust section 123 is used for discharging smoke to the outside, the smoke exhaust section 123 is formed with a smoke exhaust hole 121, and the outer shell 11 is formed with an air inlet.

Compared with the background technology, the gas water heater of the invention has the following beneficial effects: the novel structure of the gas water heater is designed into an integral structure with the smoke exhaust pipe and the water heater body, an additional smoke exhaust pipe is not needed to be configured, the problems caused by split installation of the smoke exhaust pipe of the existing gas water heater are solved, smoke is directly exhausted outdoors through the smoke exhaust section of the gas water heater, the influence of gas waste gas on indoor air can be reduced to the greatest extent, and the safety performance of the gas water heater is improved. The smoke exhaust holes 121 located in the smoke exhaust section 123 may penetrate through the end and/or the peripheral wall of the smoke exhaust section 123.

Further, referring to fig. 2, the axis of the outer shell 11 is horizontal, the combustion assembly includes a fan 31 and a burner 32, the burner 32 and the heat exchange assembly are horizontally arranged, and the air outlet direction of the fan 31 is consistent with the axis direction of the inner shell 11, so as to drive the flue gas generated by the burner to flow in the horizontal direction.

In this embodiment, arrange gas heater's combustor 32 and heat exchange assemblies level to the air-out direction level that makes fan 31 can realize gas heater's flue gas horizontal flow (the dotted line arrow that the direction of discharging fume can refer to fig. 2), makes whole gas heater can realize transversely arranging, can be used to design more diversified product appearance, promotes user's aesthetic experience. Referring to fig. 1, compared with the prior art gas water heater with combustion heat exchange in the vertical direction, the appearance of the gas water heater can be greatly changed, so that the uniform product appearance is avoided, and the existing narrow product appearance design space is broken. The burner 32 and the heat exchange assembly are horizontally arranged, and the air outlet direction of the fan 31 is horizontal, which means that the gas water heater mainly exchanges heat in the horizontal direction, and is different from the existing gas water heater in heat exchange in the vertical direction, but the air outlet directions of the burner 32, the heat exchange assembly and the fan 31 are not limited to be completely parallel to the horizontal line. While fig. 2 is only an embodiment, the specific form of the combustion assembly (including the fan 31 and the burner 32, etc.) and the heat exchange assembly (the heat exchange pipeline 21 and the heat exchange fins 22, etc.) should not be limited thereto, for example, the horizontally arranged burner 32 may be a cylindrical premix burner, a burner that sprays flame towards the horizontal direction, or a burner with other structure. The fan 31 may be an axial flow fan or a centrifugal fan.

Further, referring to fig. 5 and 6, the gas water heater 1 is mounted to the mounting object 2 in a penetrating manner.

In this embodiment, the cylindrical housing 11 can be easily mounted in a horizontal insertion manner, i.e., it is mounted on the object to be mounted in a through manner, so that the convenience of mounting can be further ensured, and the use experience and the aesthetic experience of the user can be improved. The embedded installation mode can be quickly installed after the wall is drilled through the water mill, and is simple and efficient; meanwhile, the integrated structure is compact, the occupied space position in a user room is small, only the panel with the function control function and the indoor section are left indoors, the indoor environment space layout of the user is hardly influenced, and the integrated structure can be used for greatly meeting the aesthetic experience of the user.

Referring to fig. 2, 5 and 6, the axis of the mounting section 111 of the housing 11 may be arranged horizontally, and the housing 11 is mounted to the object 2 through. The horizontal arrangement of the axis of the mounting section 111 is relative to the vertical installation of the gas water heater in the prior art, and can be understood as a transverse installation, but the axis is not limited to be completely parallel to the horizontal line. In addition, the object 2 may be a wall, a window, a plate or other materials capable of bearing the gas water heater. Therefore, the indoor installation space can be further greatly reduced, the appearance design of the indoor part can be more flexible, the through hole formed in the installed object is smaller, and the installation difficulty can be greatly reduced.

Further, referring to fig. 2, the fan 31 is located at the air inlet end of the burner 32, and the axial direction of the smoke discharging section 123 is parallel to the air outlet direction of the fan 31.

In this embodiment, the air inlet end of the burner 32 is opposite to the smoke exhaust direction, wherein the smoke exhaust direction can refer to the dotted arrow in fig. 2, the fan 31 is disposed at the air inlet end to avoid the problem of too high temperature rise caused by high-temperature smoke, which is beneficial to the reliability of the electric appliance in which the fan 31 works, and can avoid the fan 31 working in a high-temperature environment, thereby prolonging the service life of the fan 31, and the axial direction of the smoke exhaust section 123 of the gas water heater 1 is parallel to the air outlet direction of the fan 31, i.e. the smoke exhaust direction is parallel to the air outlet direction of the fan 31, so that not only can a good transverse smoke exhaust effect be ensured, but also the smoke exhaust structure can be simplified, and the production.

Further, referring to fig. 2, the heat exchange section 122 and the smoke exhaust section 123 are coaxially arranged, the smoke exhaust hole 121 is circumferentially arranged on the outdoor side of the smoke exhaust section 123, one outdoor end of the casing 11 is closed, and the air inlet is circumferentially arranged on the outdoor side of the casing. Wherein, heat exchange section 122 and the coaxial setting of section 123 of discharging fume can furthest exert the function of discharging fume of fan, and the section 123 of discharging fume can be confined towards outdoor one end to prevent that wind from flowing backward into gas heater 1 inside, adopt along circumference to set up smoke exhaust hole 121 who runs through the barrel and discharge fume, can realize smoke exhaust effect better.

Further, the heat exchanger of the heat exchange assembly is arranged outside the combustor in a surrounding mode, or the combustor is arranged outside the heat exchange assembly in a surrounding mode. In this embodiment, combustor and heat exchange assembly coaxial arrangement do benefit to the miniaturization that realizes the product, can be used to guarantee gas heater's heat transfer effect moreover.

As an embodiment of the coaxial arrangement of the burner and the heat exchange assembly, see fig. 2, the heat exchange assembly comprises a heat exchange pipe 21, the heat exchange pipe 21 is enclosed outside the burner 32, that is: arranging the burner 32 in the middle along the axis of the inner shell 12 and the heat exchange pipe 21 around the burner 32, the flue gas flows in the transverse direction, so that the heat exchange pipe 21 can effectively obtain the heat in the flue gas. Specifically, the heat exchange pipeline 21 is a coil pipe in a spiral direction; alternatively, the heat exchange line 21 includes a vertical pipe parallel to the axial direction of the inner shell 12 and an elbow joint for communicating with the vertical pipe. The combustor 32 may be configured as a premix combustor, such as a fully premixed combustor or a semi-premixed combustor. The combustor that will be located the middle part sets up to mixing formula combustor in advance, can realize the miniaturization of combustor on the one hand, is convenient for control tube-shape inner shell 12's diameter, and on the other hand carries out the full premix or half premix of gas and air at the inlet end, can avoid or reduce the demand of secondary air inlet, and then makes the product inside more compact, further realizes the product miniaturization.

As another embodiment of the coaxial arrangement of the burner and the heat exchange assembly, the burner is enclosed outside the heat exchange assembly. The burner can be designed into a cylinder body with an annular cross section outline, the combustible gas is sprayed into a cavity between the inner wall and the outer wall of the cylinder body, the heat exchange assembly is enclosed in the cylinder body of the burner, and the flame generated by the burner faces the heat exchange assembly.

Further, referring to fig. 2, 5 and 6, the gas water heater 1 further includes a panel 40, and the panel 40 covers an end of the housing 11 facing the indoor space.

In this embodiment, the panel 40 is disposed at the indoor end cover of the cylindrical housing 11, and can be used to change the unchangeable square shape of the gas water heater, so as to facilitate the design of more diversified product appearances, thereby improving the personalized aesthetic experience of the user.

Further, referring to fig. 2, the gas water heater 1 further includes a control device 50, and the control device 50 is located at a side of the fan 31 opposite to the burner 32 or near the panel 40. In the present embodiment, whether the control device 50 is located in a relatively low temperature environment, damage or abnormality of the control device 50 due to high temperature is avoided.

In addition, referring to fig. 1 to 4, the water temperature sensor 23, the water flow sensor 24, the fan 31, the gas valve 33, and the ignition device 34 disposed on the water inlet/outlet path are in signal connection with the control device 50, so as to ensure orderly control of combustion heat exchange and the like of the gas water heater 1 from the aspect of electric control. The display device 60 disposed on the panel 40 is also in signal connection with the control device 50 to display the operation state and/or other data of the gas water heater 1. Of course, the display device 60 may also be provided as an interactive device to facilitate receiving user input.

Further, referring to fig. 2, the housing includes an indoor section 117 and an installation section 111, a connection portion between the indoor section 117 and the installation section 111 forms an installation step, and the panel 40 covers an end of the indoor section 117 facing the indoor space. The installation step can make gas heater 1 and by installation thing 2 joint, indoor section 117 is located outside by installation thing 2, and installation section 111 imbeds in by installation thing 2, both is convenient for the installation location of product, also is convenient for promote its installation reliability.

In addition, the diameter of the mounting section 111 may be set to not more than 200 mm. Specifically, when the housing 10 (including the outer housing 11 and the inner housing 12) is installed on an outer wall, the housing 10 has a function of exhausting smoke to the outside. In the prior art, when a gas water heater is installed, a smoke pipe needs to be additionally installed outside a machine, the gas water heater needs to discharge smoke outdoors through the smoke pipe which is separated from the gas water heater, and when the smoke pipe is additionally installed, a through hole needs to be formed in an outer wall generally. Because the tobacco pipe itself must be high temperature resistant material, it is worth very much, and ordinary gas heater is bulky, and the area that needs to occupy the installation wall body is also great, if the installation environment is unsatisfactory, probably need install longer tobacco pipe additional, not only influence the smoke evacuation effect, consume the resource, further destroyed the house ornamentation environment moreover. The diameter of the mounting section 111 is set to be not more than 200mm, the existing method for punching the smoke exhaust pipe of the range hood on the outer wall can be directly used, a common split smoke pipe is omitted, the smoke pipe is integrated on the shell 10, and the range hood is concise, attractive and practical.

Further, referring to fig. 2 to 4, the cross-sectional area of the connection between the heat exchange section 122 and the smoke evacuation section 123 of the inner shell 12 is gradually reduced along the smoke evacuation direction. In this embodiment, when the restricted flow passes through the reduced flow cross section, the flow velocity of the fluid increases, and the flow velocity is inversely proportional to the flow cross section, while the increase of the flow velocity is accompanied by the decrease of the fluid pressure, i.e. the common venturi phenomenon, which is known from bernoulli's law, and this effect refers to that a low pressure is generated near the fluid flowing at a high speed, so as to generate an adsorption effect, and therefore, the cross-sectional area of the connection portion of the heat exchange section 122 and the smoke evacuation section 123 is gradually reduced along the smoke evacuation direction, which is beneficial to the smoke evacuation.

Further, referring to fig. 2 to 4, an air inlet 112 is disposed on an outdoor side of the outer casing 11, an air inlet channel 13 is formed between the inner casing 12 and the outer casing 11, and the air inlet 112 is isolated from the smoke discharge hole 121. Further, the air inlets 112 are circumferentially distributed on the outdoor side of the housing 11, and the end of the housing facing the outdoor is closed. On the premise of horizontal installation of the installation section 111, horizontal smoke discharge (namely, the main smoke discharge direction is the horizontal direction) can be conveniently matched with the fan 31 to further ensure the horizontal flow of smoke, the structure is more simplified, cost control is facilitated, the air inlet 112 is arranged on the outer shell, the air inlet 112 and the smoke discharge hole 121 on the inner shell 12 are arranged in an isolated mode, the air inlet and the smoke discharge hole can be conveniently separated, the flow path of air and smoke inside the shell is easy to manage, the outdoor end of the outer shell 11 is further sealed, the air inlet 112 is distributed on the barrel, and the air inlet and the smoke discharge hole can be better separated. Wherein, one side of the outer shell 11 facing the indoor is provided with a water inlet 113, a water outlet 114 and an air inlet 115, and the water inlet 113, the water outlet 114 and the air inlet 115 are positioned on the peripheral side of the outer shell 11. Therefore, a user can conveniently arrange the water inlet pipe, the water outlet pipe and the gas pipe along the wall or other objects to be installed indoors.

Further, a light emitting device is disposed at a circumference of the indoor section 117, and a display device 60 and/or an interaction device are disposed on the panel 40. So, can make gas heater 1 have the function of illumination or environment beautification concurrently, easily combine together with the house ornamentation environment, display device 60 and/or interactive device set up the user's of being convenient for to use on the panel in addition.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a gas water heater, includes shell (11), its characterized in that, shell (11) are the tube-shape, gas water heater is still including being located inside inner shell (12) of shell (11), shell (11) with form air inlet channel (13) between inner shell (12), inner shell (12) including heat exchanger section (122) with connect in section (123) of discharging fume of heat exchanger section (122), heat exchanger section (122) inside is formed with at least partial holding combustion assembly and heat exchange assembly's cavity, section (123) of discharging fume are used for discharging the flue gas to outdoor, section (123) of discharging fume are formed with smoke vent (121), shell (11) are formed with air intake (112).

2. The gas water heater of claim 1, characterized in that the axis of the outer shell (11) is horizontal, the combustion assembly comprises a fan (31) and a burner (32), the burner (32) and the heat exchange assembly are horizontally arranged, and the air outlet direction of the fan (31) is consistent with the axis direction of the inner shell (12) so as to drive the flue gas generated by the burner (32) to flow in the horizontal direction.

3. The gas water heater of claim 2, characterized in that the fan (31) is located at the air inlet end of the burner (32), and the axial direction of the smoke evacuation section (123) is parallel to the air outlet direction of the fan (31).

4. The gas water heater of claim 3, wherein the heat exchanging section (122) and the smoke discharging section (123) are coaxially arranged, the smoke discharging hole (121) is circumferentially arranged on the outdoor side of the smoke discharging section (123), the outdoor end of the shell (11) is closed, and the air inlet (112) is circumferentially arranged on the outdoor side of the shell (11).

5. Gas water heater according to claim 2, characterized in that the heat exchanger of the heat exchange assembly is enclosed outside the burner (32) or the burner (32) is enclosed outside the heat exchange assembly.

6. The gas water heater of claim 2, further comprising a panel (40), said panel (40) covering an end of said housing (11) facing indoors.

7. The gas water heater according to claim 6, further comprising a control device (50), said control device (50) being located on a side of said fan (31) facing away from said burner (32) or said panel (40).

8. The gas water heater of claim 6, wherein the outer shell (11) comprises an indoor section (117) and a mounting section (111), the joint of the indoor section (117) and the mounting section (111) forms a mounting step, and the panel (40) covers one end of the indoor section (117) facing the indoor.

9. Gas water heater according to claim 8, characterized in that a light emitting means is arranged circumferentially of said indoor section (117), and a display means (60) and/or an interaction means is provided on said panel (40).

10. The gas water heater according to any one of claims 2 to 9, wherein the gas water heater is mounted to the object (2) through.