Gas water heater

Abstract

The utility model relates to a gas water heater which comprises a box body, a combustion device, a smoke exhaust device, an energy storage device and a pipeline, the heater firstly conducts heat transfer on an energy storage module, at the moment, the energy storage module begins to deform and stores heat in the energy storage module, and when the water heater is used, cold water flows through a preheating pipe part from a water inlet pipe part; water in the preheating pipe part absorbs heat stored in the energy storage module, so that the temperature of the water in the pipeline is increased for the first time; then, the heated water flows through the water in the heating pipe part and is heated for the second time, so that the water in the heating pipe part can be quickly heated; the utility model has the characteristics of saving water resource and electricity resource.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gas water heaters, in particular to a gas water heater. BACKGROUND

[0002] Water heaters are commonly used household appliances in people's daily life. According to different heat sources, water heaters can be divided into gas water heaters, electric water heaters and solar water heaters. In the use process, the hot water output by the water heater is output through the user terminal (such as faucet or shower) for the user to use. Gas water heaters are widely used because of their convenience.

[0003] The conventional water heaters on the market generally use gas combustion to generate heat to heat cold water to meet the user's hot water needs. However, such water heaters are limited by the maximum power and minimum power of the whole machine. When the water heater needs to be used, the faucet needs to be opened first, and the water needs to flow through the water heater. At this time, the water flowing out of the faucet is cold water, and it takes a long time for the cold water to become hot water, which has the problem of consuming more resources to achieve the ideal effect. CONTENT OF THE INVENTION

[0004] The present application provides a gas water heater to solve the problem of consuming more resources to achieve the ideal effect.

[0005] In a first aspect, the present application provides a gas water heater, comprising: a box body having a mounting cavity;

[0006] A combustion device is arranged in the mounting cavity. The combustion device has a combustion cavity. A burner and a heat exchanger are arranged in the combustion cavity. The heat exchanger is arranged above the burner.

[0007] An exhaust device is in communication with one end of the combustion cavity and the other end of the combustion cavity is in communication with the outside.

[0008] An energy storage device is arranged in the mounting cavity and located outside the combustion cavity. The energy storage device comprises a shell, a heater and an energy storage module. The heater is arranged inside or outside the shell. The energy storage module is arranged in the shell.

[0009] A pipeline comprises a water inlet pipe portion, a preheating pipe portion, a heating pipe portion and a water outlet pipe portion connected in sequence. The preheating pipe portion is arranged in the shell. The heating pipe portion is connected with the heat exchanger.

[0010] Further, the preheating pipe portion comprises a plurality of bending portions connected in sequence.

[0011] Further, the shell is in the shape of a rectangle as a whole. The size of the shell in the up-down direction of the combustion device is greater than the size of the shell in the left-right direction.

[0012] Further, the energy storage module is made of a phase change material.

[0013] Further, the heater is arranged inside or outside the shell in any one of winding, sticking, and screwing.

[0014] Further, the box is provided with a water inlet and a water outlet, the water inlet is matched with the water inlet pipe, and the water outlet is matched with the water outlet pipe.

[0015] Further, the combustion device comprises a combustion shell, the combustion shell comprises a lower shell and an upper shell, the lower shell and the upper shell enclose a combustion cavity, one side of the upper shell away from the lower shell is provided with an air outlet, and the smoke exhaust device is connected with the air outlet.

[0016] Further, the upper shell is conical in cross section.

[0017] Further, the smoke exhaust device comprises:

[0018] A smoke exhaust pipe is arranged in the box.

[0019] A smoke exhaust cover is arranged in the upper shell and is attached to the inner wall of the upper shell, and the smoke exhaust cover is communicated with the smoke exhaust pipe.

[0020] Compared with the prior art, the above technical solution provided in the application has the following advantages:

[0021] In the technical solution of the application, the heater first performs heat transfer to the energy storage module before the water heater is used, at which time the energy storage module starts to deform and store heat, and when the water heater is used, cold water flows through the preheating pipe from the water inlet pipe, and the water in the preheating pipe absorbs the heat stored in the energy storage module, so that the temperature of the water in the pipe is first raised; then, the heated water passes through the heating pipe, the burner and the heat exchanger start to work, the burner and the heat exchanger cooperate with each other, the burner is responsible for burning gas to generate heat and transfer the heat to the heat exchanger, so that the water flowing through the heating pipe is secondarily heated; the smoke exhaust device can exhaust the exhaust gas generated during the operation of the burner to the outside of the box, so that the water heater can be operated for a long time; and resources are saved. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the application and, together with the specification, serve to explain the principles of the application.

[0023] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0025] Figure 1 This is a schematic diagram of the planar structure of a gas water heater provided in an embodiment of this application;

[0026] Figure 2 for Figure 1 The diagram shows the energy storage process of the energy storage device.

[0027] Figure 3 for Figure 1 The diagram shows the energy release process of the energy storage device.

[0028] Explanation of reference numerals in the attached figures:

[0029] 10. Housing; 100. Mounting cavity; 2. Combustion device; 200. Combustion chamber; 20. Burner; 21. Heat exchanger; 22. Combustion shell; 221. Lower shell; 220. Upper shell; 3. Exhaust device; 30. Exhaust pipe; 4. Energy storage device; 40. Shell; 41. Heater; 42. Energy storage module; 50. Water inlet pipe; 51. Preheating pipe; 52. Heating pipe; 53. Water outlet pipe. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0031] The following disclosure provides numerous different embodiments or examples for implementing various structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0032] For the convenience of description, spatial relative terms can be used in the specification to describe the relative position relationship or movement condition of one element or feature relative to another element or feature as shown in the drawings, such as "inner", "outer", "inboard", "outboard", "under", "below", "on", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientations depicted in the drawings. For example, if the device in the drawings is turned over or the posture is changed or the movement state is changed, the directional indications will also change accordingly, for example: the element described as "under" or "below" another element or feature will be subsequently oriented as "above" or "above" another element or feature. Therefore, the example term "below" can include both upward and downward positions. The device can be additionally oriented (rotated by 90 degrees or in other directions) and the spatial relative relationship descriptors used in the specification are interpreted accordingly.

[0033] In order to solve the technical problems in the prior art that more resources are needed to achieve the ideal effect, the present application provides a gas water heater which can achieve the ideal state effect with less resource consumption.

[0034] The first aspect, Figures 1 to 3 A gas water heater provided by the embodiment of the present application comprises a box body 10, a combustion device 2, a smoke exhaust device 3, an energy storage device 4 and a pipeline, the box body 10 has a mounting cavity 100; the combustion device 2 is arranged in the mounting cavity 100; the combustion device 2 has a combustion cavity 200; the combustion cavity is provided with a burner 20 and a heat exchanger 21, the heat exchanger 21 is arranged above the burner 20; one end of the smoke exhaust device 3 is communicated with the combustion cavity 200, and the other end is communicated with the outside; the energy storage device 4 is arranged in the mounting cavity 100 and located outside the combustion cavity 200; the energy storage device 4 comprises a shell 40, a heater 41 and an energy storage module 42, the heater 41 is arranged on the inner side or the outer side of the shell 40; the energy storage module 42 is arranged in the shell 40; the pipeline comprises a water inlet pipe portion 50, a preheating pipe portion 51, a heating pipe portion 52 and a water outlet pipe portion 53 which are connected in sequence, the preheating pipe portion 51 is arranged in the shell 40; the heating pipe portion 52 is connected with the heat exchanger 21.

[0035] It can be understood that the arrangement of the box 10 places the combustion device 2, the smoke exhaust device 3, the energy storage device 4 and the pipeline in the box 10, which can prevent bumping and play a protective role; before the water heater needs to be used, the heater 41 first performs heat transfer to the energy storage module 42, at which time the energy storage module 42 begins to deform and store heat inside, and when the water heater is used, cold water flows through the preheating pipe portion 51 from the water inlet pipe portion 50, and the water in the preheating pipe portion 51 absorbs the heat stored in the energy storage module 42, so that the temperature of the water in the pipeline is first heated; then, the heated water passes through the heating pipe portion 52, and the burner 20 and the heat exchanger 21 begin to work, and the burner 20 and the heat exchanger 21 are connected by the pipeline, the burner 20 is responsible for burning gas to generate heat and transferring the heat to the heat exchanger 21, so that the water in the heating pipe portion 52 is heated for the second time, so that the water in the heating pipe portion 52 can be quickly heated; the smoke exhaust device 3 can exhaust the exhaust gas generated when the burner 20 operates outside the box 10, so that it can operate for a long time; and the use effect of the gas water heater is improved.

[0036] It should be noted that the arrangement of the combustion chamber 200 can place the burner 20 and the heat exchanger 21 in a relatively sealed space to ensure stability during operation.

[0037] As shown in Figure 1 In the technical scheme of the embodiment, the preheating pipe portion 51 includes a plurality of bending portions, and the plurality of bending portions are connected in sequence.

[0038] It can be understood that the time of the cold water in the preheating pipe portion 51 can be prolonged, so that the cold water can fully absorb the heat stored in the energy storage module 42.

[0039] As shown in Figure 1 In the technical scheme of the embodiment, the shell 40 is in the shape of a rectangle as a whole, and the size of the shell 40 in the up-down direction of the combustion device 2 is greater than the size in the left-right direction.

[0040] It can be understood that the space in the mounting cavity 100 can be fully utilized, so that the size of the box 10 is not too large, and the space required for installation of the water heater is reduced.

[0041] As shown in Figure 1 In the technical scheme of the embodiment, the energy storage module 42 includes a plurality of energy storage pieces, and the energy storage pieces are in the shape of an irregular shape as a whole.

[0042] It can be understood that the plurality of energy storage pieces can ensure that the stored heat is sufficient, so that the water in the preheating pipe portion 51 can be fully heated.

[0043] As shown in Figure 1 In the technical scheme of the embodiment, the energy storage module 42 is made of a phase change material.

[0044] It can be understood that the phase change material is divided into organic material, inorganic material, mixed material, and one or more of them can be selected according to the energy storage effect or the manufacturing cost in the actual product.

[0045] As shown in Figure 1 In the technical scheme of the embodiment, the heater 41 is arranged on the inner side or the outer side of the shell 40 in any one of winding, pasting and screw fixing.

[0046] It can be understood that, in order to ensure that the heater 41 fully transfers heat to the energy storage module 42, the heater 41 needs to be closely attached to the inner side or the outer side of the shell 40.

[0047] As shown in Figure 1 In the technical scheme of the embodiment, the box body 10 is provided with a water inlet and a water outlet, which are not shown in the figure. The water inlet is matched with the water inlet pipe part 505, and the water outlet is matched with the water outlet pipe part 53.

[0048] It can be understood that the arrangement of the water inlet and the water outlet can stabilize the position of the water inlet pipe part 50 and the water outlet pipe part 53 on the box body 10, so that cold water can flow quickly.

[0049] As shown in Figure 1 In the technical scheme of the embodiment, the combustion device 2 includes a combustion shell 22, the combustion shell 22 includes a lower shell 221 and an upper shell 220, the lower shell 221 and the upper shell 220 form a combustion chamber 200, the upper shell 220 is provided with an air outlet on the side away from the lower shell 221, and the smoke exhaust device 3 is connected with the air outlet.

[0050] It can be understood that the upper shell 220 cooperates with the lower shell 221 to ensure the airtightness of the combustion chamber 200, so that the combustion device 2 can be quickly disassembled in the box body 10.

[0051] As shown in Figure 1 In the technical scheme of the embodiment, the cross section of the upper shell 220 is conical.

[0052] It can be understood that the burner 20 and the heat exchanger 21 can facilitate the gas generated by the burner 20 and the heat exchanger 21 to be quickly concentrated near the air outlet, so as to accelerate the exhaust speed of the gas in the combustion chamber 200.

[0053] As shown in Figure 1 In the technical scheme of the embodiment, the smoke exhaust device 3 includes a smoke exhaust pipe 30 and a smoke exhaust cover, the smoke exhaust pipe 30 is arranged in the box body 10, the smoke exhaust cover is arranged in the upper shell 220 and attached to the inner wall of the upper shell 220, and the smoke exhaust cover is in communication with the smoke exhaust pipe 30.

[0054] It can be understood that the smoke exhaust hood can prevent gas from remaining inside the upper shell 220, ensuring that the gas does not block the gas outlet after a long period of use, and the smoke exhaust hood can also be quickly replaced.

[0055] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0056] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and 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 cannot be understood as a limitation on the present application.

[0057] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0058] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be connected, or it can be detachably connected, or it can be integrated; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0059] In the present application, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0060] In the description of the application, reference to "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that a particular feature, structure, material, or characteristic being described is included in at least one embodiment or example of the application. The appearances of the above expressions in various places in the description are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples. Moreover, the terms "first", "second", "third", etc. are used herein merely as identifiers that identify a particular order or pattern, rather than to denote a physical, logical, and / or chronological order or pattern. Furthermore, the terms "comprise", "comprising", "include", "including", and the like, specify the presence of stated features, structures, materials, and / or characteristics, but do not preclude the presence or addition of one or more other features, structures, materials, and / or characteristics.

[0061] Obviously, various modifications and changes can be made to the present application by those skilled in the art without departing from the spirit and scope of the application. Accordingly, such modifications and changes are intended to fall within the scope of the application as defined by the appended claims and their equivalents.

[0062] The above descriptions are specific embodiments of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A gas water heater, characterised in that, The utility model relates to a kind of energy storage water heater, including: Box (10) with installation cavity (100); Combustion device (2) is located in the installation cavity (100);The combustion device (2) has combustion cavity (200);Combustion cavity (200) is equipped with combustor (20) and heat exchanger (21), and the heat exchanger (21) is located above the combustor (20); Exhaust device (3), one end is communicated with the combustion cavity (200), and the other end is communicated with outside; Energy storage device (4) is located in the installation cavity (100) and is located outside the combustion cavity (200);The energy storage device (4) includes shell (40), heater (41) and energy storage module (42), and heater (41) is located inside or outside the shell (40);The energy storage module (42) is located in the shell (40); Pipeline includes water inlet pipe portion (50), preheating pipe portion (51), heating pipe portion (52) and water outlet pipe portion (53) connected in sequence, and the preheating pipe portion (51) is arranged in the shell (40);The heating pipe portion (52) is connected with the heat exchanger.

2. The gas water heater of claim 1, wherein, The preheating pipe portion (51) includes a plurality of bending portions, and the plurality of bending portions are connected in sequence.

3. The gas water heater of claim 1, wherein, The shell (40) is rectangular as a whole, and the size of the shell (40) along the up-down direction of the combustion device (2) is greater than the size of the shell (40) along the left-right direction of the combustion device (2).

4. The gas water heater of claim 3, wherein, The energy storage module (42) is made of phase change material.

5. The gas water heater of claim 1, wherein, The heater (41) is arranged inside or outside the shell (40) in any one of winding, pasting and thread fixing.

6. The gas water heater of claim 1, wherein, The box (10) is provided with water inlet and water outlet, and the water inlet is matched with the water inlet pipe portion (50), and the water outlet is matched with the water outlet pipe portion (53).

7. The gas water heater of claim 6, wherein, The combustion device includes combustion shell (22), and the combustion shell includes lower shell (221) and upper shell (220), and the lower shell (221) and the upper shell (220) are enclosed to form combustion cavity (200), and the upper shell (220) is provided with gas outlet on the side away from the lower shell (221), and the exhaust device (3) is connected with the gas outlet.

8. The gas water heater of claim 7, wherein, The cross section of the upper shell (220) is conical.

9. The gas water heater of claim 8, wherein, The exhaust device (3) includes: Exhaust pipe (30) is arranged in the box (10); Exhaust hood is arranged in the upper shell (220) and is attached to the inner wall of the upper shell (220), and the exhaust hood is communicated with the exhaust pipe (30).

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