CN112762604A

CN112762604A - Water heater

Info

Publication number: CN112762604A
Application number: CN202011630889.3A
Authority: CN
Inventors: 罗子健; 罗先明; 李发金
Original assignee: Guangdong Chaoren Energy Saving Kitchen Electric Appliance Co ltd
Current assignee: Guangdong Chaoren Energy Saving Kitchen Electric Appliance Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-07

Abstract

The invention discloses a water heater, which comprises: the water inlet mechanism, the heating mechanism, the water outlet mechanism and the reflux mechanism; the heating mechanism comprises an auxiliary heater and a heating device, the water inlet mechanism is connected with the heating device through the auxiliary heater, the heating device can heat water, and the auxiliary heater can absorb waste heat generated by the heating device during heating and heat the water; the water outlet mechanism is connected with the water inlet mechanism through the heating mechanism; and the backflow mechanism is connected with the water inlet mechanism, and the water outlet mechanism is connected with the water inlet mechanism through the backflow mechanism. The cooperation of the heating device and the auxiliary heater can effectively heat tap water, and the auxiliary heater can effectively utilize waste heat generated by the heating device, so that the waste of energy is reduced.

Description

Water heater

Technical Field

The invention relates to the field of heating equipment, in particular to a water heater.

Background

As is known, a water heater is one of the most common household appliances in life today. The existing water heater is generally a gas water heater, and generates heat through combustion of gas, so that tap water is heated. During the use process of the gas water heater, a large amount of waste gas and waste heat are generated. Usually, all can be provided with exhaust fan in the water heater to discharge waste gas and waste heat out of water heater, and then avoid waste gas and waste heat to cause the influence to the water heater. However, the waste heat also has energy, and the direct discharge of the waste heat is certainly a waste of energy.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a water heater which can further utilize waste heat.

The water heater according to the embodiment of the first aspect of the invention comprises: the water inlet mechanism, the heating mechanism, the water outlet mechanism and the reflux mechanism; the heating mechanism comprises an auxiliary heater and a heating device, the water inlet mechanism, the auxiliary heater and the heating device are sequentially connected, the heating device can heat water, and the auxiliary heater can absorb waste heat generated by the heating device during heating and preheat water; the water outlet mechanism is connected with the water inlet mechanism through the heating mechanism; and the backflow mechanism is connected with the water inlet mechanism, and the water outlet mechanism is connected with the water inlet mechanism through the backflow mechanism.

The water heater provided by the embodiment of the invention at least has the following beneficial effects: after the water inlet mechanism introduces tap water into the heating device through the auxiliary heater, the heating device heats the tap water, so that the tap water is changed into hot water. When the heating device heats, a large amount of waste heat can be generated, and the auxiliary heater can absorb the waste heat transmitted from the heating device, so that the tap water is preheated, and the tap water is heated preliminarily.

The cooperation of the heating device and the auxiliary heater can effectively heat tap water, and the auxiliary heater can effectively utilize waste heat generated by the heating device, so that the waste of energy is reduced.

According to some embodiments of the invention, the heating device comprises a heat exchanger and a burner, the water inlet means and the water outlet means are both connected to the heat exchanger, and the burner is capable of heating the heat exchanger.

According to some embodiments of the invention, the heating mechanism includes an exhaust device capable of exhausting heat generated when the burner is burned, and the auxiliary heater is located between the burner and the exhaust device.

According to some embodiments of the invention, the auxiliary heater and the burner are located on opposite sides of the heat exchanger.

According to some embodiments of the invention, the water inlet mechanism comprises a water inlet pipe, a water inlet valve and a water pump which are connected in sequence, the water inlet pipe is connected with the backflow mechanism, and the water pump is connected with the auxiliary heater.

According to some embodiments of the invention, the water inlet mechanism further comprises a sterilization device, and the water pump is connected with the auxiliary heater through the sterilization device.

According to some embodiments of the present invention, the water outlet mechanism includes a water outlet pipe and a water mixing valve, the water outlet pipe is connected to the heating mechanism, and the water outlet pipe is connected to the backflow mechanism through the water mixing valve.

According to some embodiments of the invention, the return mechanism comprises a return pipe and a one-way valve, the outlet pipe is connected with the return pipe through the one-way valve, and the return pipe is connected with the water inlet mechanism.

According to some embodiments of the invention, the mixing valve is provided in plurality, and each mixing valve is connected to the outlet pipe and the return pipe.

According to some embodiments of the invention, a plurality of the mixing valves are distributed in sequence along the distance from the heating device, and the one-way valve is located at the mixing valve farthest from the heating device.

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 schematic view of a water heater according to an embodiment of the present invention;

fig. 2 is a schematic view of a water inlet mechanism and a heating mechanism of the water heater shown in fig. 1.

Reference numerals: 100 is a water inlet mechanism, 110 is a water inlet pipe, 120 is a water inlet valve, 130 is a water pump, 140 is a sterilization device, 200 is a heating mechanism, 210 is an auxiliary heater, 220 is a heat exchanger, 230 is a burner, 300 is a water outlet mechanism, 310 is a water outlet pipe, 320 is a water mixing valve, 400 is a backflow mechanism, 410 is a one-way valve, 420 is a backflow pipe, and 500 is a water inlet.

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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, a water heater includes: the water inlet mechanism 100, the heating mechanism 200, the water outlet mechanism 300 and the backflow mechanism 400; the heating mechanism 200 comprises an auxiliary heater 210 and a heating device, the water inlet mechanism 100, the auxiliary heater 210 and the heating device are sequentially connected, the heating device can heat water, and the auxiliary heater 210 can absorb waste heat generated by the heating device during heating and preheat water; the water outlet mechanism 300 is connected with the water inlet mechanism 100 through the heating mechanism 200; the backflow mechanism 400 is connected with the water inlet mechanism 100, and the water outlet mechanism 300 is connected with the water inlet mechanism 100 through the backflow mechanism 400. After the water inlet mechanism 100 introduces the tap water into the heating device through the auxiliary heater 210, the heating device will heat the tap water, so that the tap water becomes hot water. When the heating device is heating, a large amount of waste heat is generated, and the auxiliary heater 210 can absorb the waste heat transmitted from the heating device, so as to preheat the tap water, and further, the tap water is heated primarily. The cooperative use of the heating device and the auxiliary heater 210 not only can effectively heat tap water, but also the auxiliary heater 210 can effectively utilize waste heat generated by the heating device, thereby reducing energy waste. The return mechanism 400 allows hot water to circulate within the boiler and the pipe, thereby avoiding cold water in the pipe, so that a user can directly obtain hot water when in use, without waiting for the cold water in the pipe to empty.

In certain embodiments, referring to fig. 2, the heating device comprises a heat exchanger 220 and a burner 230, the water inlet mechanism 100 and the water outlet mechanism 300 are both connected with the heat exchanger 220, and the burner 230 can heat the heat exchanger 220. When the burner 230 is burning, the heat exchanger 220 can be directly heated, and the heat exchanger 220 can directly and effectively transfer the heat generated by the burner 230 into the water, so that the water is effectively heated.

In some embodiments, referring to fig. 1, the heating mechanism 200 includes an exhaust device (not shown) capable of exhausting heat generated by the combustion of the burner 230, and the auxiliary heater 210 is located between the burner 230 and the exhaust device. After the exhaust device is operated, the exhaust gas and heat generated by the burner 230 can be driven to move towards the exhaust device, so that the waste heat generated by the burner 230 can move to the auxiliary heater 210, and the auxiliary heater 210 can reuse the waste heat, thereby reducing the energy waste.

It is contemplated that the exhaust device includes an exhaust duct (not shown) and a fan (not shown) disposed in the exhaust duct, and the auxiliary heater 210 is disposed between the burner 230 and the exhaust duct. Of course, the air exhaust device may also be composed of other components, and the specific implementation mode may be adjusted accordingly according to the actual situation, which is not limited herein.

In certain embodiments, referring to fig. 2, the supplemental heater 210 and the burner 230 are located on opposite sides of the heat exchanger 220. The burner 230, when fired, heats the heat exchanger 220 and a portion of the heat generated by the burner 230 passes through the heat exchanger 220. The supplemental heater 210 may absorb the portion of the heat passing through the heat exchanger 220, thereby achieving multiple uses of energy and reducing waste of energy.

In some embodiments, referring to fig. 1, the water inlet mechanism 100 includes a water inlet pipe 110, a water inlet valve 120 and a water pump 130 connected in sequence, the water inlet pipe 110 is connected with the backflow mechanism 400, and the water pump 130 is connected with the auxiliary heater 210. After the water inlet valve 120 is opened, the water pump 130 can drive the tap water to move in the water inlet pipe 110, so as to achieve the water inlet effect, and further directly and effectively provide the tap water for the heating mechanism 200, so that the heating mechanism 200 can produce hot water.

In some embodiments, referring to fig. 1, the water inlet mechanism 100 further includes a sterilization device, and the water pump 130 is connected to the auxiliary heater 210 through the sterilization device. The sterilizing device can effectively kill bacteria in tap water, so that the water heater can produce high-quality harmless hot water.

It is envisioned that a specific embodiment of the sterilization device may be an ultraviolet sterilizer. Of course, the sterilization device may be composed of other components, such as a silver-contact device, that is, a photocatalyst made of silver is irradiated by infrared light or ultraviolet light, so that silver ions are generated in water and sterilization is performed using the silver ions. The specific implementation manner may be adjusted according to the actual situation, and is not limited herein.

In some embodiments, referring to fig. 1, the outlet mechanism 300 comprises an outlet pipe 310 and a mixing valve 320, the outlet pipe 310 is connected with the heating mechanism 200, and the outlet pipe 310 and the backflow mechanism 400 are connected through the mixing valve 320. After the outlet pipe 310 guides the hot water out, the mixing valve 320 may guide the hot water out to the outside, thereby providing hot water to a user. The communication of the outlet pipe 310 and the return mechanism 400 allows hot water to circulate between the inlet mechanism 100 and the return mechanism 400, thereby avoiding the presence of cold water in the pipe, so that a user can directly obtain hot water when in use, without waiting for the cold water in the pipe to empty.

In some embodiments, referring to FIG. 1, return mechanism 400 includes a return line 420 and a one-way valve 410, outlet line 310 is connected to return line 420 via one-way valve 410, and return line 420 is connected to inlet mechanism 100. The hot water in the outlet pipe 310 may flow into the return pipe 420 through the check valve 410, and then flow into the water inlet mechanism 100 through the return pipe 420, thereby completing the flow cycle of the hot water. The check valve 410 can promote the hot water to flow in a single direction, thereby ensuring that the hot water circulates among the water outlet pipe 310, the return pipe 420 and the water inlet mechanism 100 in sequence, so as to achieve the effect that the water in the pipe is always hot water.

Specifically, the return pipe 420 and the inlet pipe 110 are connected through a connection pipe, the connection pipe is provided with a water inlet 500 for receiving external tap water, and the connection pipe is provided with an opening and closing device capable of opening or closing the water inlet 500. When the water inlet 500 is opened, tap water may enter the water heater to provide a water source for the water heater. And when the water inlet 500 is closed, the hot water in the return pipe 420 may flow back into the water inlet pipe 110 through the connection pipe, thereby performing circulation of the hot water.

It is contemplated that the on-off device may be an on-off valve. Of course, the opening and closing device may also be composed of other components, and the specific implementation manner may be adjusted accordingly according to the actual situation, which is not limited herein.

In some embodiments, referring to fig. 1, the mixing valve 320 is provided in plurality, and each mixing valve 320 is connected to the outlet pipe 310 and the return pipe 420. The mixing valves 320 may correspond to a plurality of water outlets in the environment, such as shower heads, water taps, etc., so that each water outlet can provide hot water to a user.

In some embodiments, referring to fig. 1, a plurality of mixing valves 320 are distributed sequentially along the line away from the heating device, and the one-way valve 410 is located at the mixing valve 320 farthest from the heating device. The one-way valves 410 are located furthest away from the heating device, so that the hot water will first pass through each mixing valve 320, then through the one-way valves 410, and finally into the return pipe 420 for return. The one-way valves 410 are located at the farthest ends, and can effectively drive the hot water at each mixing valve 320 to move to the one-way valves 410 and then to the return pipe 420 for returning, so that the problems that the hot water is turbulent among the mixing valves 320 and the like are solved.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A water heater, comprising:

a water inlet mechanism (100);

the heating mechanism (200) comprises an auxiliary heater (210) and a heating device, the water inlet mechanism (100), the auxiliary heater (210) and the heating device are sequentially connected, the heating device can heat water, and the auxiliary heater (210) can absorb waste heat generated by the heating device during heating and preheat water;

the water outlet mechanism (300) is connected with the water inlet mechanism (100) through the heating mechanism (200);

the backflow mechanism (400) is connected with the water inlet mechanism (100), and the water outlet mechanism (300) is connected with the water inlet mechanism (100) through the backflow mechanism (400).

2. The water heater as recited in claim 1, wherein:

the heating device comprises a heat exchanger (220) and a burner (230), wherein the water inlet mechanism (100) and the water outlet mechanism (300) are both connected with the heat exchanger (220), and the burner (230) can heat the heat exchanger (220).

3. The water heater as recited in claim 2, wherein:

the heating means (200) includes an air exhaust device capable of exhausting heat generated when the burner (230) is burned, and the auxiliary heater (210) is located between the burner (230) and the air exhaust device.

4. The water heater as recited in claim 2, wherein:

the auxiliary heater (210) and the burner (230) are located on opposite sides of the heat exchanger (220), respectively.

5. The water heater as recited in claim 1, wherein:

the water inlet mechanism (100) comprises a water inlet pipe (110), a water inlet valve (120) and a water pump (130) which are sequentially connected, the water inlet pipe (110) is connected with the backflow mechanism (400), and the water pump (130) is connected with the auxiliary heater (210).

6. The water heater as recited in claim 5, wherein:

the water inlet mechanism (100) further comprises a sterilization device, and the water pump (130) is connected with the auxiliary heater (210) through the sterilization device.

7. The water heater as recited in claim 1, wherein:

the water outlet mechanism (300) comprises a water outlet pipe (310) and a water mixing valve (320), the water outlet pipe (310) is connected with the heating mechanism (200), and the water outlet pipe (310) is connected with the backflow mechanism (400) through the water mixing valve (320).

8. The water heater as recited in claim 7, wherein:

the backflow mechanism (400) comprises a backflow pipe (420) and a one-way valve (410), the water outlet pipe (310) is connected with the backflow pipe (420) through the one-way valve (410), and the backflow pipe (420) is connected with the water inlet mechanism (100).

9. The water heater as recited in claim 8, wherein:

the number of the water mixing valves (320) is multiple, and each water mixing valve (320) is connected with the water outlet pipe (310) and the return pipe (420).

10. The water heater as recited in claim 9, wherein:

the plurality of water mixing valves (320) are sequentially distributed along the position far away from the heating device, and the one-way valve (410) is positioned at the position, farthest away from the heating device, of the water mixing valve (320).