Gas water heater with single-coil water tank for heat exchange

Abstract

A gas water heater with a single coil pipe water tank for heat exchange comprises a combustion chamber, a water tank, a water tank and a water tank, the front cover plate covers the frame coaming to form a combustion cavity, and a plurality of gas inlet clearance holes are formed in the lower part of the front cover plate; the four-section fuel gas supply rod is connected to the front cover plate; the four-section fuel gas supply rod comprises a two-hole normal open fire gas supply cavity, a two-hole incremental gas supply cavity located on one side of the two-hole normal open fire gas supply cavity and a six-hole incremental gas supply cavity located on the other side of the two-hole normal open fire gas supply cavity. The underneath type air blower provides air flow for the combustion chamber and is arranged below the combustion chamber; the single-coil water tank is in butt joint with the upper portion of the combustion chamber and communicated with the lower portion of the combustion chamber so as to facilitate heat absorption, the heat exchange tank is provided with a heat exchange water pipe, and the heat exchange water pipe comprises an oval inner pipe, oval pipe elbows connected with the two ends of the oval inner pipe and a single outer coil pipe; the controller is used for controlling the electromagnetic valve to supply gas to the gas holes in a reasonable distribution mode of two holes, four holes, eight holes and ten holes, the temperature adjusting range and the water temperature stability are greatly improved, the structure is compact, and installation is convenient. Therefore, the device has excellent performance in the aspects of technicality, practicability and economy.

Description

TECHNICAL FIELD

[0001] The utility model relates to a single coil water tank heat exchange's gas water heater. BACKGROUND

[0002] According to the patent search and market investigation, the existing gas water heater's injection hole distribution is poor, and the temperature adjusting range and temperature stability are insufficient, which can easily cause scalding accidents and other problems, in order to overcome the above-mentioned defects, a single coil water tank heat exchange's gas water heater is developed. UTILITY MODEL CONTENTS

[0003] The utility model discloses a single coil water tank heat exchange's gas water heater, which comprises:

[0004] The combustion chamber has a frame baffle and a front cover plate; the front cover plate is arranged on the frame baffle to form a combustion chamber, and the lower part of the front cover plate forms a plurality of gas inlet avoidance holes;

[0005] The four-section gas supply rod is connected to the front cover plate; the four-section gas supply rod comprises a two-hole constant fire gas supply cavity, a two-hole incremental gas supply cavity on one side of the two-hole constant fire gas supply cavity, and a six-hole incremental gas supply cavity on the other side;

[0006] The lower air blower provides air flow for the combustion chamber and is arranged below the combustion chamber;

[0007] The single coil water tank is connected to the top of the combustion chamber and is connected to the combustion chamber below to facilitate heat absorption; the heat exchange tank is provided with a heat exchange water pipe, which comprises an elliptical inner pipe, an elliptical pipe elbow connected to both ends of the elliptical inner pipe, and a single outer coil pipe; one end of the heat exchange water pipe is connected to a cold water inlet, and the other end is connected to a hot water outlet.

[0008] In one or more embodiments of the utility model, the air inlet end of the two-hole incremental gas supply cavity is provided with a first air inlet electromagnetic control valve, which controls the opening and closing of the two-hole incremental gas supply cavity.

[0009] In one or more embodiments of the utility model, the air inlet end of the six-hole incremental gas supply cavity is provided with a second air inlet electromagnetic control valve, which controls the opening and closing of the two-hole incremental gas supply cavity.

[0010] In one or more embodiments of the utility model, the combustion chamber is provided with neatly arranged fire rows.

[0011] In one or more embodiments of the utility model, the first intake electromagnetic control valve and the second intake electromagnetic control valve are connected with a controller, the controller instructs the first intake electromagnetic control valve and the second intake electromagnetic control valve to open respectively to form combined normal bright section gas supply respectively, and the controller instructs the first intake electromagnetic control valve and the second intake electromagnetic control valve to open simultaneously to form whole maximum power gas supply.

[0012] The utility model has the effect that compared with the prior art:

[0013] Due to the utility model adopts the above scheme, it utilizes the controller to control the electromagnetic valve to supply gas to two holes, four holes, eight holes and ten holes reasonably, greatly improves the temperature adjusting range and water temperature stability, and the structure is compact, convenient to install and the like. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structure schematic diagram of gas water heater of single coil water tank heat exchange in one specific embodiment of the utility model;

[0015] Fig. 2 It is the unfolded structure schematic diagram of gas water heater of single coil water tank heat exchange in one specific embodiment of the utility model;

[0016] The skilled person in the art can understand the scheme from the shape and configuration shown in the drawings, the various components of the drawings are not necessarily to scale, and the size of the various components and elements of the drawings can be enlarged or reduced, so that the embodiments of the utility model described herein can be more clearly illustrated. DETAILED DESCRIPTION

[0017] The embodiments of the utility model will be described in detail below, and the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout.

[0018] The orientation shown in the drawings should not be understood as limiting the specific protection scope of the utility model, and is only for the reference understanding of the preferred embodiments, and the position of the product components shown in the drawings can be changed or the number can be increased or the structure can be simplified.

[0019] The "connection" described in the specification and the components shown in the drawings are "connected" with each other, which can be understood as fixedly connected or detachably connected or integrally connected, which can be directly connected or connected through an intermediate medium, and the person skilled in the art can understand the connection relationship according to the specific situation and can derive that the screw connection or riveting or welding or clamping or embedding and the like are replaced with different embodiments in a suitable manner.

[0020] The orientation words such as up, down, left, right, top, bottom and the like described in the specification and shown in the drawings can directly contact or contact through other features between the components; for example, up can be directly up and obliquely up, or it only means higher than others; other orientations can be understood similarly.

[0021] The technical scheme and beneficial effects of the utility model will be clearer and more explicit through further description of the specific implementation manners of the utility model in combination with the drawings of the specification, and the purpose is to explain the utility model and cannot be understood as a limitation of the utility model.

[0022] Reference Figs. 1-2 As shown in the figure, the utility model provides a single coil water tank heat exchange gas water heater, which comprises:

[0023] The combustion chamber 1 has a frame fence 11 and a front cover plate 12; the front cover plate 12 is covered on the frame fence 11 to form a combustion chamber, and the lower part of the front cover plate 12 forms a plurality of gas entering avoidance holes 13;

[0024] The four-section gas supply rod 2 is connected to the front cover plate 12; the four-section gas supply rod 2 comprises a two-hole constant fire gas supply cavity 21, a two-hole incremental gas supply cavity 22 located on one side of the two-hole constant fire gas supply cavity 21 and a six-hole incremental gas supply cavity 23 located on the other side;

[0025] The lower type air blower 3 provides air flow for the combustion chamber 1 and is installed below the combustion chamber 1;

[0026] The single coil water tank 4 is connected to the upper part of the combustion chamber 1 and is communicated with the combustion chamber 1 below to facilitate heat absorption, and the heat exchange tank 4 is provided with a heat exchange water pipe 41, which comprises an elliptical inner pipe 411, an elliptical pipe elbow 412 connected to both ends of the elliptical inner pipe and a single outer coil pipe 413.

[0027] The air inlet end of the two-hole incremental gas supply cavity 22 is provided with a first air inlet electromagnetic control valve 5, and the opening and closing of the two-hole incremental gas supply cavity is controlled by means of the first air inlet electromagnetic control valve 5. The air inlet end of the six-hole incremental gas supply cavity 23 is provided with a second air inlet electromagnetic control valve 6, and the opening and closing of the two-hole incremental gas supply cavity is controlled by means of the second air inlet electromagnetic control valve 6.

[0028] The combustion chamber 1 is provided with neatly arranged fire bars 14.

[0029] The first intake electromagnetic control valve 5 and the second intake electromagnetic control valve 6 are connected with a controller, the controller instructs the first intake electromagnetic control valve 5 and the second intake electromagnetic control valve 6 to open respectively to form combined normal bright section gas supply respectively, in this case, the combination is four-hole gas supply and eight-hole gas supply, the controller instructs the first intake electromagnetic control valve and the second intake electromagnetic control valve to open simultaneously to form the whole maximum power ten-hole gas supply.

[0030] In use, under the driving of the down-type air blower 3, the air flow is stably supplied to the combustion chamber 1 for combustion, the fire is ignited on the fire grate 14, the end of the flame enters into the heat exchange box 4, the water in the heat exchange pipe absorbs heat to make the water temperature rise, the controller controls the electromagnetic valve to supply gas through the gas holes in a reasonable distribution of two holes, four holes and ten holes, greatly improves the temperature adjustment range and water temperature stability, and has compact structure, convenient installation and the like. Therefore, it has superior performance in technicality, practicability and economy.

[0031] For the purpose of illustration, the foregoing description uses specific nomenclature to provide a thorough understanding of the embodiments. However, it will be apparent to one of ordinary skill in the art that the specific details are not required in order to practice the embodiments. The skilled person should understand that the present application is not limited to the specific embodiments described above, and that improvements and substitutions of techniques known in the art based on the present application all fall within the scope of the present application, which should be defined by the claims.

Claims

1. A single-coil water tank heat-exchange gas water heater, characterized in that, It comprises: a combustion chamber with a frame enclosure and a front cover plate; the front cover plate covers the frame enclosure to form a combustion cavity, and the lower part of the front cover plate forms a plurality of gas inlet avoidance holes; a four-section gas supply rod connected to the front cover plate; the four-section gas supply rod comprises a two-hole constant fire gas supply cavity, a two-hole incremental gas supply cavity on one side of the two-hole constant fire gas supply cavity, and a six-hole incremental gas supply cavity on the other side; a lower blast fan that provides air flow for the combustion chamber and is installed below the combustion chamber; a single-coil water tank that is docked above the combustion chamber and is connected to the combustion chamber below to facilitate heat absorption; the heat exchange tank is provided with a heat exchange water pipe, which comprises an elliptical inner pipe, an elliptical pipe elbow connecting both ends of the elliptical inner pipe, and a single outer coil pipe.

2. The single-coil water-tank heat-exchange gas water heater according to claim 1, characterized in that: The air inlet end of the two-hole incremental gas supply cavity is provided with a first air inlet electromagnetic control valve for controlling the opening and closing of the two-hole incremental gas supply cavity.

3. The single-coil water-tank heat-exchange gas water heater according to claim 2, characterized in that: The air inlet end of the six-hole incremental gas supply cavity is provided with a second air inlet electromagnetic control valve.

4. The single-coil water-tank heat-exchange gas water heater according to claim 3, characterized in that: The combustion chamber is provided with neatly arranged fire rows.

5. The single-coil water-tank heat-exchange gas water heater according to claim 4, characterized in that: The first air inlet electromagnetic control valve and the second air inlet electromagnetic control valve are connected to a controller, which instructs the first air inlet electromagnetic control valve and the second air inlet electromagnetic control valve to open separately to form a combined constant fire section gas supply, and instructs the first air inlet electromagnetic control valve and the second air inlet electromagnetic control valve to open simultaneously to form an overall maximum power gas supply.

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