CN214470230U

CN214470230U - Heat exchange equipment and water heater

Info

Publication number: CN214470230U
Application number: CN202023186974.3U
Authority: CN
Inventors: 卢长水; 陈必奎; 刘磊; 胡乾龙
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-22
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a indirect heating equipment and hot-water machine, indirect heating equipment includes: the water tank is internally provided with an accommodating cavity for accommodating water; the first coil pipe is arranged in the accommodating cavity, and water flows through the first coil pipe; the second coil pipe is arranged in the accommodating cavity, and a refrigerant flows through the second coil pipe. The utility model provides a indirect heating equipment and hot water machine have solved hot water machine among the prior art effectively and can not energy supply hot water and heat transfer terminal simultaneously, cause awkward problem.

Description

Heat exchange equipment and water heater

Technical Field

The utility model relates to a refrigeration and heating equipment technical field particularly, relates to a indirect heating equipment and hot water machine.

Background

Present hot water machine generally uses water tank integration unit, is in the structural layer with water tank and interior machine integration together, and there are some problems in this design:

the hot water and the heat exchange terminal (such as a wind disk and a floor heating) can not be supplied with energy at the same time, the existing design is that the three-way valve is used for controlling the hot water and the heat exchange terminal (such as the wind disk and the floor heating), but the energy supply can not be simultaneously carried out, a time-sharing control mode corresponding to the three-way valve is required to be designed, the use is inconvenient, and the use trouble is brought to users;

to sum up, hot water machine can not supply hot water and heat transfer terminal simultaneously in the prior art, causes awkward problem.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an in provide a indirect heating equipment and hot water machine, hot water machine can not energy supply hot water and heat transfer terminal simultaneously among the prior art, causes awkward problem.

In order to achieve the above object, the utility model provides a heat exchange device, include: the water tank is internally provided with an accommodating cavity for accommodating water; the first coil pipe is arranged in the accommodating cavity, and water flows through the first coil pipe; the second coil pipe is arranged in the accommodating cavity, and a refrigerant flows through the second coil pipe.

Further, the water tank includes a housing forming an accommodating chamber.

Furthermore, a hot water port and a water replenishing port are arranged on the shell, the hot water port is communicated with the accommodating cavity, and the water replenishing port is communicated with the accommodating cavity.

Further, a water outlet and a water inlet are arranged on the shell, the water outlet is communicated with the first end of the first coil pipe, and the water inlet is communicated with the second end of the first coil pipe.

Furthermore, a refrigerant outlet and a refrigerant inlet are formed in the shell, the refrigerant outlet is communicated with the first end of the second coil pipe, and the refrigerant inlet is communicated with the second end of the second coil pipe.

Furthermore, a water outlet is formed in the shell and communicated with the accommodating cavity.

Further, the second coil is located below the first coil.

According to another aspect of the present invention, there is provided a water heater, comprising the above heat exchange device.

Furthermore, the water heater comprises a refrigerant cycle, the refrigerant cycle comprises a compressor and an expansion valve, the first end of the second coil pipe of the heat exchange device is communicated with the exhaust port of the compressor, and the second end of the second coil pipe of the heat exchange device is communicated with the expansion valve.

Further, the first coil of the heat exchange device is communicated with a heating pipeline.

Further, a first coil pipe of the heat exchange equipment is communicated with the air coil heat exchange pipeline.

Further, the accommodating cavity of the water tank is communicated with the water supply pipeline.

The utility model discloses a indirect heating equipment becomes heat transfer integrated equipment with water tank and indoor set design, and the refrigerant that flows into indoor set in the refrigerant circulation gets into this indirect heating equipment, and the refrigerant enters into by the second coil pipe and holds the intracavity to carry out the heat transfer with the water that holds the intracavity. Meanwhile, the first coil pipe also exchanges heat with water in the accommodating cavity. The water in the water tank is middle heat transfer medium, and two coils carry out the manifold heat transfer simultaneously in the water tank, and the inside water of water tank can regard as system hot water, and the water in the first coil can be used for providing heat transfer terminal (if warm by air, warm up, refrigerated wind dish in summer etc.), realizes system hot water and energy supply heat transfer terminal simultaneously, assists relevant water valve and control mode again, realizes the flexible operation of function. The hot water in the water tank is constant temperature, and the heat exchange terminal can be continuously and stably supplied with energy, so that the user can use the hot water at any time while realizing stable heating, and the use is more convenient.

Drawings

FIG. 1 is a schematic structural diagram of a heat exchange device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the heat exchange device according to the embodiment of the present invention;

FIG. 3 is a schematic view of an external structure of a water tank of a heat exchange device according to an embodiment of the present invention;

fig. 4 is a system diagram of a water heater according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the invention.

Referring to fig. 1 to 3, according to an embodiment of the present invention, there is provided a heat exchange device, including a water tank 10, a first coil 20 and a second coil 30, wherein the water tank 10 has a receiving cavity 11 for receiving water therein; the first coil pipe 20 is coiled in the accommodating cavity 11, and water flows through the first coil pipe 20; the second coil pipe 30 is coiled in the accommodating cavity 11, and a refrigerant flows through the second coil pipe 30.

The utility model discloses a indirect heating equipment becomes heat transfer integrated equipment with water tank and indoor set design, and the refrigerant that flows into indoor set in the refrigerant circulation gets into this indirect heating equipment, and the refrigerant enters into by second coil pipe 30 and holds in the chamber 11 to carry out the heat transfer with the water that holds in the chamber 11. While first coil 20 also exchanges heat with the water in chamber 11. The water in the water tank is middle heat transfer medium, and two coil pipes carry out the manifold heat transfer simultaneously in the water tank, and the inside water of water tank can be as making hot water, and the water in the first coil pipe 20 can be used for providing heat transfer terminal (if warm by air, warm up, refrigerated wind dish in summer etc.). Therefore, the hot water making and energy supply heat exchange terminal can be realized at the same time, and the flexible operation of the functions can be realized by assisting the relevant water valves and control modes. The hot water in the water tank is constant temperature, and the heat exchange terminal can be continuously and stably supplied with energy, so that the user can use the hot water at any time while realizing stable heating, and the use is more convenient.

The water tank 10 includes a housing 12, and the housing 12 forms a receiving chamber 11. The shape of the water tank is a cylindrical structure in the embodiment, and the shapes of the first coil and the second coil are spiral coil shapes. The heat exchange efficiency is increased to the maximum extent. The second coil 30 is located below the first coil 20. The second coil pipe 30 is a heating member, and the heated water rises to exchange heat with the first coil pipe 20, so that the overall space can be saved by the structural relationship, and the heat exchange efficiency can be improved.

Preferably, the housing 12 is provided with a hot water port 41 and a water replenishing port 42, the hot water port 41 is communicated with the accommodating cavity 11, and the water replenishing port 42 is communicated with the accommodating cavity 11. The hot water port 41 and the water replenishing port 42 are communicated with corresponding water pipes, and the hot water port 41 and the water replenishing port 42 are directly formed in the shell, so that the installation is convenient.

Preferably, housing 12 is provided with a water outlet 21 and a water inlet 22, wherein water outlet 21 is in communication with a first end of first coil 20, and water inlet 22 is in communication with a second end of first coil 20. The water outlet 21 and the water inlet 22 are communicated with corresponding user side water paths, and the water outlet 21 and the water inlet 22 are directly formed in the shell, so that the installation is convenient.

Preferably, the casing 12 is provided with a refrigerant outlet 31 and a refrigerant inlet 32, the refrigerant outlet 31 is communicated with a first end of the second coil 30, and the refrigerant inlet 32 is communicated with a second end of the second coil 30. The refrigerant outlet 31 and the refrigerant inlet 32 are communicated with the corresponding refrigerant pipelines of the hot water machine, and installation personnel can directly complete installation through the refrigerant pipes, so that the hot water machine is convenient and fast.

In order to clean the scale inside the water tank and discharge the sewage conveniently, a water outlet 43 is arranged on the shell 12, and the water outlet 43 is communicated with the accommodating cavity 11. The water tank has the advantages that all water inlets and water outlets are designed in a unified mode, the wiring design of pipelines inside the water tank is simplified, after-sale installation and maintenance are facilitated, meanwhile, the volume of the water tank is reduced, and complete integration of an internal unit and the water tank is achieved.

The water tank is used as a basic structure and also comprises an inner container, a foaming agent, a shell base, an electric cabinet, a magnesium rod, an electric heater, a temperature sensor and the like, and can meet the basic structural support and requirements. The electric heater arranged in the accommodating cavity can assist heat exchange under special conditions, and customer requirements are met.

The structure of the water tank is simplified, the structural design difficulty is reduced, the volume of the assembly is reduced, and the installation and use area can be reduced to the greatest extent on the after-sale installation level; the design difficulty and the construction cost of the after-sale water pipe system of the commercial air conditioner are simplified, the maximum cost is saved for users, and the corresponding value of brands is improved. The high conversion rate of the water heater is realized by the simultaneous operation of the heating water and the heating, the actual energy efficiency of the operation of the whole machine is improved, so that the actual cost of a user is saved, the user can enjoy the warm environment in winter and use comfortable hot water in time, and the convenience is improved.

The utility model also provides an embodiment of a hot water machine, the hot water machine includes the indirect heating equipment of above-mentioned embodiment, and the system schematic diagram refers to figure 4. The hot water machine adopts the heat exchange equipment of the embodiment, can supply heat for users while providing hot water for the users, cancels the three-way valve, does not need to frequently switch the three-way valve, cancels water path parts such as an intermediate heat exchanger (plate heat exchanger), a water pump and the like, and further simplifies the internal machine part structure, reduces the cost, increases the reliability and simplifies the control.

The water heater comprises a refrigerant cycle, wherein the refrigerant cycle comprises a compressor 51, an expansion valve 52, an outdoor heat exchanger, a four-way valve and a gas-liquid separator, the communication relation of all the components in the refrigerant cycle belongs to conventional connection, a first end of a second coil 30 of the heat exchange device is communicated with an exhaust port of the compressor 51, and a second end of the second coil 30 of the heat exchange device is communicated with the expansion valve 52. That is, the heat exchanger is connected to the system as part of the refrigerant circulation indoor unit.

The first coil 20 of the heat exchange device is in communication with the heating line 53. Of course, the first coil 20 of the heat exchange device may also be in communication with the air coil heat exchange line. If the system unit needs, the first coil 20 of the heat exchanging device can be simultaneously communicated with a heating pipeline 53 (such as a floor heating pipeline and a wind heating pipeline) or a wind coil heat exchanging pipeline, so as to realize the heating requirement.

The accommodating chamber 11 of the water tank 10 communicates with the water supply line 54. The water supply pipeline 54 is also the water using end of the user, the refrigerant is provided by the external machine for heat exchange, the temperature of the water in the water tank is kept constant, and the running state of the external machine is adjusted in real time through the temperature sensing bulb in the water tank when the load changes. Because the water in the water tank keeps constant temperature all the time, the user can use hot water at any time, and the water tank is convenient and quick to use, and achieves the best comfortable effect.

The temperature of water in the water tank is invariable, and the temperature is less than the refrigerant temperature, and the leaving water temperature of heating is lower, can not have the heat transfer of great thermostatic difference, and the temperature is too high or too low when can not causing the heating, increases the travelling comfort. During the heating, the water tank is equivalent to the heat accumulation pond, can continuously provide stable heat energy output, also can provide certain buffering when the operating mode changes, avoids outer machine compressor frequent frequency conversion or switching on and shutting down, and the protection mechanism increases life.

Preferentially with hot water heating in the water tank, then reuse water tank water heat transfer for the user side, do not have the mode switch, two kinds of modes of heating, hot-water tank satisfy simultaneously, guarantee the water tank constancy of temperature simultaneously, the user can use hot water at any time, realizes the most comfortable result of use in winter.

When the system is used for refrigerating in summer, the water tank of the heat exchange device can be used as a cold storage pool, and the refrigerating capacity output is stabilized. The general water heater can directly produce the effluent water with the temperature of 7 ℃ in the refrigeration process in summer, and the effluent water can be easily reduced to about 13 ℃ when reaching the tail end under the consumption of a water system, namely redundant consumption; at the moment, the heat exchange equipment has the effects that the water temperature of the water tank is stabilized at 7 ℃ and is kept warm continuously, and the tail end water is completely reduced to 13 ℃ through water-water heat exchange and is conveyed back to the tail end, so that the refrigerating capacity is stably output, the redundant consumption is eliminated, and the energy conservation is improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and decorations can be made without departing from the basic principle of the present invention, and these modifications and decorations are also considered to be within the scope of the present invention.

Claims

1. A heat exchange apparatus, comprising:

the water tank (10), the water tank (10) is internally provided with a containing cavity (11) for containing water;

the first coil pipe (20), the first coil pipe (20) is coiled in the accommodating cavity (11), and water flows through the first coil pipe (20);

the second coil pipe (30), second coil pipe (30) dish is established hold the chamber (11) in, refrigerant flows through in the second coil pipe (30).

2. A heat exchange device according to claim 1, characterised in that the water tank (10) comprises a housing (12), the housing (12) forming the receiving chamber (11).

3. The heat exchange device according to claim 2, characterized in that the shell (12) is provided with a hot water port (41) and a water replenishing port (42), the hot water port (41) is communicated with the accommodating cavity (11), and the water replenishing port (42) is communicated with the accommodating cavity (11).

4. A heat exchange device according to claim 2, wherein the shell (12) is provided with a water outlet (21) and a water inlet (22), the water outlet (21) is communicated with the first end of the first coil (20), and the water inlet (22) is communicated with the second end of the first coil (20).

5. The heat exchange device according to claim 2, wherein the shell (12) is provided with a refrigerant outlet (31) and a refrigerant inlet (32), the refrigerant outlet (31) is communicated with the first end of the second coil (30), and the refrigerant inlet (32) is communicated with the second end of the second coil (30).

6. A heat exchange device according to claim 2, wherein a water outlet (43) is provided on the housing (12), and the water outlet (43) is communicated with the accommodating chamber (11).

7. A heat exchange device according to claim 1, wherein the second coil (30) is located below the first coil (20).

8. A water heater comprising a heat exchange device according to any one of claims 1 to 7.

9. The water heater according to claim 8, wherein the water heater comprises a refrigerant cycle, the refrigerant cycle comprises a compressor (51) and an expansion valve (52), a first end of the second coil (30) of the heat exchange device is communicated with a gas outlet of the compressor (51), and a second end of the second coil (30) of the heat exchange device is communicated with the expansion valve (52).

10. The water heater according to claim 8, characterized in that the first coil (20) of the heat exchange device is in communication with a heating circuit (53).

11. The water heater according to claim 8, characterized in that the first coil (20) of the heat exchange device is in communication with a coil heat exchange line.

12. The water heater according to claim 8, characterized in that the housing chamber (11) of the tank (10) communicates with a water supply line (54).