CN211552032U - Dual-purpose gas water heater - Google Patents

Abstract

The utility model discloses a dual-purpose gas water heater, which comprises a machine body, a burner and a heat exchanger which are arranged in the machine body; the heat exchanger is characterized by comprising a first flow passage and a second flow passage which are not communicated with each other, wherein two ends of the first flow passage form drinking water interfaces, the two drinking water interfaces are respectively connected with a drinking water inlet pipe and a drinking water outlet pipe, two ends of the second flow passage form a bathing water interface, and the two bathing water interfaces are respectively connected with a bathing water inlet pipe and a bathing water outlet pipe; a water purifier is arranged on the drinking water inlet pipe. During actual work, drinking water is purified by the water purifier and then enters the first flow passage to be heated to obtain drinking warm water; the bathing water system is similar to the traditional gas water heater, and generates hot water through heat exchange with high-temperature flue gas in the heat exchanger through the second flow channel; drinking water and bath water do not interfere with each other, effectively reduce the load of water purifier, guarantee its life.

Description

Dual-purpose gas water heater

Technical Field

The utility model relates to a fluid heater technical field especially relates to a dual-purpose type gas heater.

Background

The water heater is a device which can increase the temperature of cold water into hot water in a certain time by various physical and chemical principles. Most of the existing gas water heaters only have the function of hot water shower, and because the internal heating and heat transfer elements are made of copper materials, scale and copper chloride are generated in the pipe after the gas water heaters are used for a long time, and the safety and sanitation standards are difficult to meet the requirements of drinking water.

A chinese utility model patent that publication number is CN2233544Y discloses a can drink type gas heater, including installing gas subassembly and the hot water subassembly in the casing, characterized by has a set of snakelike transparent quartz glass pipe in the hot water subassembly, is connected with the water purifier on the inlet tube of this transparent quartz glass pipe, and the below of whole snakelike quartz glass pipe is the gas subassembly, has the gas vent of discharge burning waste gas on it. Although the water heater provided by the patent has the function of providing drinking water, the pipeline is made of transparent quartz glass tubes and is easy to break; meanwhile, the water pipeline for bathing and living is the same pipeline as the drinking water pipeline, so that the water purifier not only interferes with each other, but also has large load and short service life.

Disclosure of Invention

To the defect that exists among the prior art, the utility model aims to provide a bathing water and drinking water noninterference dual-purpose type water heater.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A dual-purpose gas water heater comprises a machine body, a burner and a heat exchanger, wherein the burner and the heat exchanger are arranged in the machine body; the heat exchanger is characterized by comprising a first flow passage and a second flow passage which are not communicated with each other, wherein two ends of the first flow passage form drinking water interfaces, the two drinking water interfaces are respectively connected with a drinking water inlet pipe and a drinking water outlet pipe, two ends of the second flow passage form a bathing water interface, and the two bathing water interfaces are respectively connected with a bathing water inlet pipe and a bathing water outlet pipe; a water purifier is arranged on the drinking water inlet pipe.

More preferably, the heat exchanger is a double-pipe heat exchanger, and includes an inner pipe and an outer pipe that are sleeved together, a flow passage in the inner pipe is the first flow passage, and a flow passage between the inner pipe and the outer pipe is the second flow passage.

More preferably, the heat exchanger comprises two pipes wound together, and the two pipes respectively form the first flow passage and the second flow passage.

More preferably, the tube constituting the first flow path is a food grade 304 stainless steel tube.

More preferably, the bath water inlet pipe is provided with a circulating water pump, and the bath water inlet pipe and the bath water outlet pipe are connected through a pipeline to form a circulating loop.

More preferably, the circulating water pump is a straight-flow pump mounted on the machine body.

More preferably, the water purifier is disposed outside the body.

The utility model has the advantages that:

the utility model provides the user with the needed drinking hot water by utilizing the efficient heating speed and the accurate heating temperature of the gas water heater, and the produced water volume is sufficient, and the waiting time is short; meanwhile, the application range of the gas water heater is expanded, and the gas water heater and the water purifier form a drinking water system, so that the range of the traditional water heater is jumped. During actual work, drinking water is purified by the water purifier and then enters the first flow passage to be heated to obtain drinking warm water; the bathing water system is similar to the traditional gas water heater, and generates hot water through heat exchange with high-temperature flue gas in the heat exchanger through the second flow channel; drinking water and bath water do not interfere with each other, effectively reduce the load of water purifier, guarantee its life.

Drawings

Fig. 1 shows the structure schematic diagram of the dual-purpose gas water heater provided by the utility model.

Fig. 2 is a schematic diagram of the heat exchanger.

Fig. 3 shows a side view of fig. 2.

Fig. 4 is a schematic diagram of the structure of the heat exchange tube.

Description of reference numerals:

1: body, 2: burner, 3: heat exchanger, 4: drinking water inlet pipe, 5: drinking water outlet pipe, 6: bath water inlet pipe, 7: bath water outlet pipe, 8: water purifier, 9: and (4) a water circulating pump.

3-1: first flow passage, 3-2: a second flow passage.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

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

As shown in fig. 1, a dual-purpose gas water heater comprises a body 1, a burner 2 and a heat exchanger 3 which are arranged in the body 1; the heat exchanger 3 is characterized by comprising a first flow passage 3-1 and a second flow passage 3-2 which are not communicated with each other, wherein two ends of the first flow passage 3-1 form a drinking water interface and are respectively connected with a drinking water inlet pipe 4 and a drinking water outlet pipe 5, two ends of the second flow passage 3-2 form a bathing water interface and are respectively connected with a bathing water inlet pipe 6 and a bathing water outlet pipe 7; a water purifier 8 is arranged on the drinking water inlet pipe 4.

During actual work, drinking water is purified by the water purifier 8 and then enters the first flow passage 3-1 to be heated to obtain drinking warm water; the bathing water system is similar to the traditional gas water heater, and generates hot water through heat exchange with high-temperature flue gas in the heat exchanger through the second flow channel; drinking water and bath water do not interfere with each other, effectively reduce the load of the water purifier 8, guarantee its life.

In this embodiment, the heat exchanger 3 is preferably a double-pipe heat exchanger, and includes an inner pipe and an outer pipe that are sleeved together, a flow passage in the inner pipe is a first flow passage 3-1, and a flow passage between the inner pipe and the outer pipe is a second flow passage 3-2. In other embodiments, the heat exchanger is composed of two pipes wound together, and is not limited to this embodiment.

Preferably, the pipe forming the first flow passage 3-1 is a food grade 304 stainless steel pipe, and water conveyed by the food grade 304 stainless steel pipe can be directly drunk, so that the water drinking machine is safe and sanitary, good in heat conduction performance and long in service life.

Preferably, a circulating water pump 9 is installed on the bath water inlet pipe 6, and the bath water inlet pipe 6 and the bath water outlet pipe 7 are connected through a pipeline to form a circulating loop. Therefore, when drinking water is taken, the circulating water pump 9 is controlled to work, so that overhigh temperature and potential safety hazards caused by continuous heating of the water temperature in the second flow passage 3-2 are avoided, the temperature of the heated drinking water is 60 ℃ at most, and the drinking water is convenient to directly drink.

Further preferably, the water purifier 8 is installed outside the machine body 1 to facilitate installation and maintenance of the water purifier. The circulating water pump 9 is a direct-current water pump arranged on the machine body 1; compact structure and convenient control.

The dual-purpose gas water heater provided by the embodiment utilizes the efficient heating speed and the accurate heating temperature of the gas water heater to provide required drinking hot water for users, the generated water quantity is sufficient, and the waiting time is short; meanwhile, the application range of the gas water heater is expanded, and the gas water heater and the water purifier form a drinking water system, so that the range of the traditional water heater is jumped.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (7)

1. A dual-purpose gas water heater comprises a machine body, a burner and a heat exchanger, wherein the burner and the heat exchanger are arranged in the machine body; the heat exchanger is characterized by comprising a first flow passage and a second flow passage which are not communicated with each other, wherein two ends of the first flow passage form drinking water interfaces, the two drinking water interfaces are respectively connected with a drinking water inlet pipe and a drinking water outlet pipe, two ends of the second flow passage form a bathing water interface, and the two bathing water interfaces are respectively connected with a bathing water inlet pipe and a bathing water outlet pipe; a water purifier is arranged on the drinking water inlet pipe.

2. The dual-purpose gas water heater according to claim 1, wherein the heat exchanger is a double pipe heat exchanger, and comprises an inner pipe and an outer pipe sleeved together, the flow passage in the inner pipe is the first flow passage, and the flow passage between the inner pipe and the outer pipe is the second flow passage.

3. The dual-use gas water heater of claim 1, wherein the heat exchanger includes two pipes wound together, the two pipes respectively defining the first flow passage and the second flow passage.

4. The dual-use gas water heater of claim 1, wherein the tube forming the first flow passage is a food grade 304 stainless steel tube.

5. The dual-purpose gas water heater as claimed in claim 1, wherein a circulating water pump is installed on the bath water inlet pipe, and the bath water inlet pipe and the bath water outlet pipe are connected through a pipeline to form a circulating loop.

6. The dual-purpose gas water heater as claimed in claim 5, wherein said circulating water pump is a direct current pump mounted on said body.

7. The dual-use gas water heater of claim 1, wherein said water purifier is disposed outside said body.

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