High-power outdoor water heater capable of supplying fuel gas in four sections

Abstract

A high-power outdoor water heater capable of supplying fuel gas in four sections comprises a combustion chamber provided with a frame surrounding plate and a front plate; the front plate is arranged on the frame surrounding plate to form a combustion cavity, and a plurality of gas inlet receding holes are formed in the lower portion of the front plate. The four-section fuel gas supply rod is connected to the front plate; the four-section fuel gas supply rod comprises a two-hole normal open fire gas supply cavity, a three-hole incremental gas supply cavity located on one side of the two-hole normal open fire gas supply cavity and a nine-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 heat exchange box is in butt joint above the combustion chamber and communicated with the combustion chamber downwards so as to facilitate heat absorption, a hot water pipe is arranged in the heat exchange box, one end of the hot water pipe is connected with a cold water inlet, and the other end of the hot water pipe is connected with a hot water outlet. The controller is used for controlling the electromagnetic valve to reasonably distribute gas supply of the gas holes into two holes, five holes, eleven holes and fourteen holes, the temperature adjusting range and the water temperature stability are greatly improved, and the gas supply device is compact in structure, convenient to install, capable of preventing wind and backflow and the like. Therefore, the device has excellent performance in the aspects of technicality, practicability and economy.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of outdoor water heater of high-power four-section gas supply. BACKGROUND

[0002] According to patent search and market investigation, the distribution of the existing gas water heater injection hole is poor, the temperature adjustment range and temperature stability are not enough, and it is easy to cause scalding accident and fire problem, in order to overcome the above-mentioned defects, we develop a kind of outdoor water heater of high-power four-section gas supply. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of outdoor water heater of high-power four-section gas supply, and it is characterized in that, it includes:

[0004] Combustion chamber, with frame fence and front plate;Front plate is formed combustion chamber in the frame fence, and the lower part of the front plate forms multiple gas entry clearance;

[0005] Four-section gas supply rod is connected to the front plate;The four-section gas supply rod includes two-hole constant fire gas supply cavity, three-hole incremental gas supply cavity located at one side of two-hole constant fire gas supply cavity and nine-hole incremental gas supply cavity located at the other side;

[0006] Lower type air blower, which provides air flow for the combustion chamber and is installed below the combustion chamber;

[0007] Heat exchange box is docked above the combustion chamber and is connected to the combustion chamber below to facilitate heat absorption, and the heat exchange box is provided with heat exchange water pipe, one end of which is connected to cold water inlet, and the other end is connected to hot water outlet.

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

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

[0010] In one or more embodiments of the utility model, the heat exchange water pipe includes straight pipe arranged inside the heat exchange box and coiled pipe arranged outside the heat exchange box.

[0011] In one or more embodiments of the utility model, the combustion chamber is provided with neatly arranged fire bars.

[0012] In one or more embodiments of the present application, the first intake electromagnetic control valve and the second intake electromagnetic control valve are connected to a controller, the controller instructs the first intake electromagnetic control valve and the second intake electromagnetic control valve to open respectively to form a combined normal bright section gas supply, and the controller instructs the first intake electromagnetic control valve and the second intake electromagnetic control valve to open simultaneously to form an overall maximum power gas supply.

[0013] In one or more embodiments of the present application, the heat exchange box is connected to an anti-backflow smoke exhaust device at the upper portion.

[0014] In one or more embodiments of the present application, the heat exchange box, the anti-backflow smoke exhaust device, the combustion chamber, the four-section gas supply rod and the under-type blower are all arranged in an outer shell, and the outer shell comprises a bottom shell and a front shell.

[0015] Compared with the background art, the present application has the following effects:

[0016] Due to the above-mentioned scheme, the present application controls the electromagnetic valve by the controller to reasonably distribute the gas supply of the air hole into two holes, five holes, eleven holes and fourteen holes, greatly improves the temperature adjustment range and water temperature stability, and has compact structure, convenient installation, windproof and anti-backflow exhaust, etc. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 FIG. 1 is a structural schematic view of an outdoor hot water heater with high-power four-section gas supply according to an embodiment of the present application;

[0018] Fig. 2 FIG. 2 is an expanded structural schematic view of the outdoor hot water heater with high-power four-section gas supply according to the embodiment of the present application;

[0019] Those skilled in the art can understand the scheme from the shapes and structures shown in the drawings, the various components of the drawings are not necessarily to scale, and the sizes of the various components and elements of the drawings can be enlarged or reduced, so as to more clearly illustrate the embodiments of the present application described herein. DETAILED DESCRIPTION

[0020] The embodiments of the present application 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 having the same or similar functions throughout.

[0021] The orientation shown in the drawings should not be understood as limiting the specific protection scope of the present application, but 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.

[0022] The "connection" described in the specification and the components shown in the drawings are connected to each other, which can be understood as fixedly connected or detachably connected or integrally connected; it can be directly connected or connected through an intermediate medium, and those skilled in the art can understand the connection relationship according to the specific circumstances, and can derive screw connection or riveting or welding or clamping or embedding and the like in different embodiments.

[0023] The orientation words such as up, down, left, right, top, bottom and the like described in the specification and shown in the drawings can be directly contacted or contacted through other features between them; for example, above can be directly above and obliquely above, or it only means higher than others; other orientations can be similarly understood.

[0024] The specific embodiments of the utility model are further described below in combination with the drawings of the specification, so that the technical scheme of the utility model and its beneficial effects are more clear and explicit; and it is intended to explain the utility model and cannot be understood as a limitation of the utility model.

[0025] Reference Figs. 1-2 As shown in the drawings, the utility model provides a high-power outdoor water heater with four-section gas supply, which is characterized in that it comprises:

[0026] The combustion chamber 1 has a frame fence 11 and a front plate 12; the front plate 12 is arranged on the frame fence 11 to form a combustion chamber, and the lower part of the front plate 12 forms a plurality of gas inlet avoidance holes 13;

[0027] The four-section gas supply rod 2 is connected to the front plate 12; the four-section gas supply rod 2 comprises a two-hole constant fire gas supply cavity 21, a three-hole incremental gas supply cavity 22 located on one side of the two-hole constant fire gas supply cavity 21, and a nine-hole incremental gas supply cavity 23 located on the other side;

[0028] The lower air blower 3 provides air flow for the combustion chamber 1 and is arranged below the combustion chamber 1;

[0029] The heat exchange box 4 is connected to the top of the combustion chamber 1 and is connected to the combustion chamber 1 below to facilitate heat absorption, and the heat exchange box 4 is provided with a heat exchange water pipe 41, one end of which is connected to a cold water inlet 411, and the other end is connected to a hot water outlet 412.

[0030] The air inlet end of the three-hole incremental gas supply cavity 22 is provided with a first air inlet electromagnetic control valve 5, which controls the opening and closing of the three-hole incremental gas supply cavity.

[0031] The air inlet end of the nine-hole incremental gas supply cavity 23 is provided with a second air inlet electromagnetic control valve 6, which controls the opening and closing of the three-hole incremental gas supply cavity.

[0032] The heat exchange water pipe 41 comprises a straight pipe 413 arranged inside the heat exchange box and a coiled pipe 414 arranged outside the heat exchange box 4.

[0033] The combustion chamber 1 is internally provided with the fire rows 14.

[0034] The first and second intake electromagnetic control valves 5 and 6 are connected to a controller, which instructs the first and second intake electromagnetic control valves 5 and 6 to open respectively to form a combined normally-on section gas supply, to provide five-hole gas supply and eleven-hole gas supply, and to open simultaneously to form a whole maximum power fourteen-hole gas supply.

[0035] The heat exchange box 4 is connected to the anti-backflow smoke exhaust device 7 at the upper portion.

[0036] The heat exchange box 4, the anti-backflow smoke exhaust device 7, the combustion chamber 1, the four-section gas supply rod 2 and the under-type blower 3 are arranged in the outer shell 8, which comprises a bottom shell 81 and a front shell 82.

[0037] In use, under the driving of the under-type blower 3, air flow is stably supplied to the combustion chamber 1 for combustion, ignition is performed on the fire rows 14, the end of the flame enters the heat exchange box 4, water in the heat exchange water pipe is heated to increase the water temperature, and the heated water is output from the hot water outlet 412 for use. The controller controls the electromagnetic valves to rationally distribute the gas supply holes into two holes, five holes, eleven holes and fourteen holes, greatly improves the temperature adjustment range and water temperature stability, and has compact structure, convenient installation, windproof and anti-backflow exhaust, etc. Therefore, it has superior performance in terms of technology, practicability and economy.

[0038] 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 protection of the present application, which should be defined by the claims.

Claims

1. A large capacity four segmented gas supplied outdoor water heater, characterized in that, It comprises: a combustion chamber with a frame baffle and a front plate; the front plate is arranged on the frame baffle to form a combustion cavity, and the lower part of the front plate forms a plurality of gas inlet avoidance holes; a four-section gas supply rod connected to the front plate; the four-section gas supply rod comprises a two-hole constant fire gas supply cavity, a three-hole incremental gas supply cavity on one side of the two-hole constant fire gas supply cavity, and a nine-hole incremental gas supply cavity on the other side; a lower blower which provides air flow for the combustion chamber and is arranged below the combustion chamber; a heat exchange box which is connected to the combustion chamber and is open downward to the combustion chamber to facilitate heat absorption, and the heat exchange box is provided with a heat exchange water pipe, one end of which is connected to a cold water inlet and the other end is connected to a hot water outlet.

2. A high power outdoor sectional gas-fired water heater according to claim 1, characterised in that: The gas inlet end of the three-hole incremental gas supply cavity is provided with a first gas inlet electromagnetic control valve for controlling the opening and closing of the three-hole incremental gas supply cavity.

3. A high power four segment gas supplied outdoor installed water heater according to claim 2, characterized in that: The gas inlet end of the nine-hole incremental gas supply cavity is provided with a second gas inlet electromagnetic control valve for controlling the opening and closing of the three-hole incremental gas supply cavity.

4. A high power four segment gas supplied outdoor installed water heater according to claim 3, characterized in that: The heat exchange water pipe comprises a straight pipe arranged inside the heat exchange box and a coiled pipe arranged outside the heat exchange box.

5. A high power four segment gas supplied outdoor installed water heater according to claim 4, characterized in that: The combustion chamber is provided with neatly arranged fire rows.

6. A high power four segment gas supplied outdoor installed water heater according to claim 5, characterized in that: The first gas inlet electromagnetic control valve and the second gas inlet electromagnetic control valve are connected to a controller, the controller instructs the first gas inlet electromagnetic control valve and the second gas inlet electromagnetic control valve to open respectively to form a combined constant fire section gas supply, and the controller instructs the first gas inlet electromagnetic control valve and the second gas inlet electromagnetic control valve to open simultaneously to form an overall maximum power gas supply.

7. A high power four segment gas supplied outdoor installed water heater according to claim 6, characterized in that: The upper part of the heat exchange box is connected to a backflow prevention smoke exhaust device.

8. A high power four segment gas supplied outdoor installed water heater according to claim 7, characterized in that: The heat exchange box, the backflow prevention smoke exhaust device, the combustion chamber, the four-section gas supply rod and the lower blower are all arranged in an outer shell, and the outer shell comprises a bottom shell and a front shell.

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