CN214406482U

CN214406482U - Heat exchange structure and gas heater

Info

Publication number: CN214406482U
Application number: CN202022735588.9U
Authority: CN
Inventors: 黎剑豪; 朱恩灵; 肖健
Original assignee: GUANGDONG SHENZHOU GAS APPLIANCE CO Ltd
Current assignee: GUANGDONG SHENZHOU GAS APPLIANCE CO Ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-10-15
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a heat transfer structure and gas heater, wherein, heat transfer structure includes: the combustion assembly comprises a combustor and a combustion chamber arranged above the combustor, wherein the chamber wall of the combustion chamber is made of stainless steel, the bottom of one group of opposite side surfaces of the combustion chamber is provided with a first edge which extends downwards and is attached to the outer wall of the combustor downwards; the heat exchanger is arranged above the combustion chamber and comprises a heat exchange tube and heat exchange fins arranged on the outer wall of the heat exchange tube, the heat exchange tube is made of oxygen-free copper materials, and the heat exchange tube is provided with a water inlet and a water outlet; the use stability of the combustion chamber is guaranteed by the aid of high-temperature resistance, corrosion resistance, high strength and other properties of stainless steel, the high-efficiency heat conductivity of the heat exchange tube made of the oxygen-free copper material is combined, the whole heat exchange structure is energy-saving and efficient, and the service life of a product is effectively prolonged.

Description

Heat exchange structure and gas heater

Technical Field

The utility model relates to a gas heater technical field, in particular to heat transfer structure and gas heater.

Background

Gas heater on the existing market uses the heat exchanger of integral oxygen-free copper usually, mainly comprises heat exchanger, combustion chamber, the coil pipe of intaking and outlet pipe, and the outer wall of combustion chamber is equipped with the coil pipe, and the coil pipe encircles the combustion chamber and upwards extends to be connected to the heat exchanger, and cold water enters into the heat exchanger from the coil pipe and carries out the heat exchange, and the water heating is discharged after to predetermineeing the temperature and is supplied the user to use. The main function of the coil pipe surrounding the outer wall of the combustion chamber is to cool the outer wall of the combustion chamber after cold water enters the coil pipe, so as to prevent the outer wall of the combustion chamber from being over-burnt. In the using process, the coil pipe is discovered to generate the Japanese waste due to the use of the copper material in the environment with poor water quality after being used for a long time, the corrosion resistance is poor, the coil pipe is corroded by water after being used for a long time, the water leakage of the coil pipe is caused, and the service life of the gas water heater is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a heat transfer structure and gas heater, energy-conserving high-efficient and effectively improve life.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

according to the utility model discloses a heat transfer structure of first aspect embodiment, include: the combustion assembly comprises a combustor and a combustion chamber arranged above the combustor, wherein the chamber wall of the combustion chamber is made of stainless steel, the bottom of one group of opposite side surfaces of the combustion chamber is provided with a first edge which extends downwards and is attached to the outer wall of the combustor downwards; the heat exchanger is installed above the combustion chamber, the heat exchanger comprises a heat exchange tube and heat exchange fins installed on the outer wall of the heat exchange tube, the heat exchange tube is made of oxygen-free copper materials, and the heat exchange tube is provided with a water inlet and a water outlet.

According to the utility model discloses heat transfer structure has following beneficial effect at least: the use stability of the combustion chamber is guaranteed by the aid of high-temperature resistance, corrosion resistance, high strength and other properties of stainless steel, the high-efficiency heat conductivity of the heat exchange tube made of the oxygen-free copper material is combined, the whole heat exchange structure is energy-saving and efficient, and the service life of a product is effectively prolonged.

According to some embodiments of the invention, the upper end face of the other set of opposite sides of the burner opposite to the first edge is provided with a second edge extending horizontally outwards, on which the bottom of the corresponding position of the combustion chamber is supported.

According to some embodiments of the invention, the chamber wall of the combustion chamber has at least three stainless steel plates spaced apart from each other.

According to the utility model discloses a some embodiments, the collection smoke chamber is installed to the top of heat exchanger, the collection smoke chamber is equipped with exhaust fan.

According to some embodiments of the invention, the water inlet and the water outlet are connected with downwardly extending water pipes respectively.

According to the utility model discloses a gas heater of first aspect embodiment, include the shell, install heat transfer structure and control mechanism in the shell.

According to some embodiments of the utility model, the water inlet is connected with the rivers sensor, the rivers sensor with control mechanism connects.

According to some embodiments of the utility model, the delivery port is connected with temperature sensor, temperature sensor with control mechanism connects.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a front view of the heat exchange structure of the present invention;

FIG. 2 is a perspective view of the heat exchange structure of the present invention;

FIG. 3 is a schematic view of a combustion chamber of the present invention;

fig. 4 is a schematic structural diagram of the gas water heater of the present invention.

Reference numerals: a combustor 100; a combustion chamber 200; a first edge 210; a heat exchanger 300; a water inlet 310; a water outlet 320; a second edge 110; a stainless steel plate 220; a smoke collection chamber 400; an exhaust fan 410; a water pipe 500; a housing 600; a control mechanism 610; a water flow sensor 620; a temperature sensor 630.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and 2, a heat exchange structure includes a combustion assembly and a heat exchanger 300. The combustion assembly includes a combustor 100 and a combustion chamber 200, the combustion chamber 200 being mounted above the combustor 100. The chamber wall of the combustion chamber 200 is made of stainless steel, the bottom of a set of opposite sides of the combustion chamber 200, such as the front side and the rear side, is provided with a first edge 210 formed by extending downwards, and the first edge 210 is attached to the outer wall of the combustor 100; on the one hand, the combustion chamber 200 and the burner 100 can be fixedly connected by screws through the first edge 210; on the other hand, the first edge 210 improves the sealing property of the connection between the combustion chamber 200 and the burner 100, thereby reducing noise. The heat exchanger 300 is installed above the combustion chamber 200, the burner 100 includes a heat exchange tube (not shown in the figure) made of an oxygen-free copper material and heat exchange fins (not shown in the figure) installed on the outer wall of the heat exchange tube, cold water directly enters the heat exchange tube through a water inlet 310 of the heat exchange tube, the cold water is heated through the heat exchange tube and the heat exchange fins in the process of flowing through the heat exchange tube, and finally hot water is discharged through a water outlet 320 of the heat exchange tube for a user to use. The use stability of the combustion chamber 200 is guaranteed by the high temperature resistance, corrosion resistance, high strength and other properties of the stainless steel, the high-efficiency heat conductivity of the heat exchange tube made of the oxygen-free copper material is combined, the whole heat exchange structure is energy-saving and efficient, and the service life of the product is effectively prolonged.

In some embodiments of the present invention, a second edge 110 extending horizontally outward is provided on the upper end surface of the other set of opposite sides of the burner 100 opposite to the first edge 210, and the bottom of the combustion chamber 200 at the corresponding position is supported on the second edge 110. As shown in fig. 2, the first rim 210 is disposed on both front and rear side surfaces of the combustion chamber 200, the second rim 110 is disposed on upper portions of both left and right side surfaces of the combustor 100, the second rim 110 supports bottom portions of both left and right side surfaces of the combustion chamber 200, and the second rim 110 serves as a support, and is sealed with the second rim 110 and the bottom portions of both left and right side surfaces of the combustion chamber 200, thereby further improving noise reduction effect.

In some embodiments of the present invention, the chamber wall of the combustion chamber 200 has at least three stainless steel plates 220 spaced apart from each other. As shown in fig. 3, the combustion chamber 200 is rectangular in plan view, and a chamber wall is formed by surrounding three rectangular stainless steel plates 220 distributed from inside to outside with a gap between the stainless steel plates 220, and heat and sound are insulated by the stainless steel plates 220 in multiple layers, and air flow is generated between the gaps of the adjacent stainless steel plates 220 to dissipate heat from the outer wall of the combustion chamber 200.

In some embodiments of the present invention, the smoke collection chamber 400 is installed above the heat exchanger 300, and the smoke collection chamber 400 is provided with the exhaust fan 410. As shown in fig. 1 and 2, flue gas generated by combustion of gas by the burner 100 is heat-exchanged by the heat exchanger 300, then ascends, finally passes through the smoke collection chamber 400 and is discharged to the outside, and the flow of the flue gas is accelerated by the exhaust fan 410. The flow of the gas flow between the gaps of the stainless steel plates 220 can be further accelerated to further dissipate heat from the outer wall of the combustion chamber 200.

In some embodiments of the present invention, the water inlet 310 and the water outlet 320 are respectively connected with a water pipe 500 extending downward. One water pipe 500 is used for receiving cold water, the other water pipe 500 is used for receiving hot water, and the two water pipes 500 extend downwards to receive water and discharge water, so that the water heater is convenient to install and use.

As shown in fig. 4, a gas water heater includes a housing 600, a heat exchange structure installed in the housing 600, and a control mechanism 610, and the heat exchange structure is used to effectively prolong the service life of the gas water heater.

In some embodiments of the present invention, the water inlet 310 is connected to the water flow sensor 620, the water flow sensor 620 is used to monitor the water inflow, and the water flow sensor 620 is connected to the control mechanism 610, so as to avoid dry burning of the heat exchanger 300 when the water pressure is low or the water supply is cut off.

In some embodiments of the present invention, the water outlet 320 is connected to a temperature sensor 630, the temperature sensor 630 detects the temperature of water in real time, and feeds back the signal to the control mechanism 610, thereby controlling the temperature of water.

The water flow sensor 620 and the temperature sensor 630 may be respectively connected to the water inlet 310 and the water outlet 320 through the water pipe 500.

In the description herein, references to the description of "some specific embodiments" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A heat exchange structure, comprising:

the combustion assembly comprises a combustor (100) and a combustion chamber (200) arranged above the combustor (100), wherein the chamber wall of the combustion chamber (200) is made of stainless steel, the bottom of one group of opposite side surfaces of the combustion chamber (200) is provided with a first edge (210) which extends downwards and is formed, and the first edge (210) is attached to the outer wall of the combustor (100) downwards;

heat exchanger (300), install combustion chamber (200) top, heat exchanger (300) include the heat exchange tube and install heat transfer fin on the heat exchange tube outer wall, the heat exchange tube is oxygen-free copper material, the heat exchange tube is equipped with water inlet (310) and delivery port (320).

2. The heat exchange structure of claim 1, wherein: the upper end face of the other group of opposite side faces of the combustor (100) opposite to the side face on which the first edge (210) is located is provided with a second edge (110) extending outwards and horizontally, and the bottom of the combustion chamber (200) in the corresponding position is supported on the second edge (110).

3. The heat exchange structure of claim 1, wherein: the chamber wall of the combustion chamber (200) is provided with at least three stainless steel plates (220) which are separated from each other.

4. The heat exchange structure according to claim 1 or 3, characterized in that: a smoke collection chamber (400) is installed above the heat exchanger (300), and an air draft fan (410) is arranged in the smoke collection chamber (400).

5. The heat exchange structure of claim 1, wherein: the water inlet (310) and the water outlet (320) are respectively connected with a water pipe (500) extending downwards.

6. A gas water heater comprising a housing (600), the heat exchange structure of any one of claims 1 to 5 mounted within the housing (600), and a control mechanism (610).

7. The gas water heater of claim 6, wherein: the water inlet (310) is connected with a water flow sensor (620), and the water flow sensor (620) is connected with the control mechanism (610).

8. The gas water heater of claim 6, wherein: the water outlet (320) is connected with a temperature sensor (630), and the temperature sensor (630) is connected with the control mechanism (610).