A multi-circuit integrated heat pump system
By designing a multi-circuit integrated heat pump system, the integration of air conditioners and water heaters is achieved by using valve body control, which solves the problem that air conditioners and water heaters in the existing technology cannot have both refrigeration, heating and hot water supply, and achieves improvements in space saving, economic benefits and environmental benefits.
Patent Information
- Application Number
- CN202421492268.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-27
AI Technical Summary
In the prior art, air conditioners and water heaters cannot have both cooling, heating and hot water supply in an integrated multi-function system, resulting in consumers needing to purchase multiple single-function equipment, increasing economic burden and occupying space.
A multi-circuit integrated heat pump system is designed, including an air energy unit, a first water tank, a heat exchanger, a first valve body and a second valve body. Through the control of the valve body, the combined connection of the air energy unit, the first water tank and the heat exchanger is realized to form an independent circuit for hot water, cooling and heating.
It realizes the integration of air conditioners and water heaters, provides cooling, heating and hot water supply, reduces the investment and footprint of capital in purchasing a single-function unit, improves material utilization efficiency, and avoids pollution of domestic water.
Smart Images
Figure CN222703384U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of heat pump systems, in particular to a multi-circuit integrated heat pump system. Background Art
[0002] With the development of economy and the improvement of living standards, air conditioners and water heaters are becoming more and more popular, and more and more families have a full set of equipment. At present, air conditioners on the market can only provide hot air and cold air, and water heaters can only provide hot water. There is no multifunctional integrated system that combines air conditioning and hot water supply on the market. If consumers buy a device for each function, it will not only bring financial burden to consumers, but also multiple devices will take up more space. Utility Model Content
[0003] The embodiment of the utility model provides a multi-circuit integrated heat pump system to solve the problems existing in the related technology. The technical solution is as follows:
[0004] The present invention provides a multi-circuit integrated heat pump system, comprising:
[0005] The air energy unit has a liquid supply outlet and a return water inlet;
[0006] The first water tank is provided with an inner coil, and the inner coil is used to heat the water in the first water tank;
[0007] A heat exchanger having a liquid inlet end and a liquid outlet end;
[0008] The first valve body comprises a first valve port, a second valve port and a third valve port, the first valve port is connected to the liquid supply outlet end, the second valve port is connected to the coil inlet end of the inner coil, and the third valve port is connected to the liquid inlet end;
[0009] The second valve body includes a fourth valve port, a fifth valve port and a sixth valve port, the fourth valve port is connected to the return water inlet end, the fifth valve port is connected to the coil outlet end of the inner coil, and the sixth valve port is connected to the liquid outlet end.
[0010] In one embodiment, the first water tank has a water supply port, and the water supply port is used to connect to a hot water user end to provide hot water to the hot water user end.
[0011] In one embodiment, the inner coil is a spiral coil, a serpentine coil or a disc coil.
[0012] In one embodiment, it further includes:
[0013] The second water tank has a water channel inlet end and a water channel outlet end, the water channel inlet end is connected to the liquid outlet end, and the water channel outlet end is connected to the sixth valve port.
[0014] In one embodiment, when the first valve port, the second valve port, the fourth valve port and the fifth valve port are all in an open state and the third valve port and the sixth valve port are all in a closed state, the liquid supply outlet end of the air energy unit is connected to the return water inlet end through the inner coil to form a hot water circuit.
[0015] In one embodiment, when the first valve port, the third valve port, the fourth valve port and the sixth valve port are all in an open state and the second valve port and the fifth valve port are all in a closed state, the liquid supply outlet end of the air energy unit is connected to the return water inlet end via the heat exchanger and the second water tank in sequence to form a cooling and heating circuit.
[0016] In one embodiment, it is characterized by further comprising:
[0017] The controller, the first valve body and the second valve body are electrically connected to the controller, and the controller is used to control the switching states of the first valve port, the second valve port, the third valve port, the fourth valve port, the fifth valve port and the sixth valve port respectively.
[0018] In one embodiment, the controller is electrically connected to the air energy unit and the heat exchanger to control the working states of the air energy unit and the heat exchanger.
[0019] In one embodiment, the heat exchanger is one of a shell and tube heat exchanger, a plate heat exchanger or a coil heat exchanger.
[0020] The advantages or beneficial effects of the above technical solution include at least:
[0021] The utility model adds a first valve body and a second valve body to the heat pump system. The first valve body and the second valve body respectively have three valve ports. The air energy unit, the first water tank and the heat exchanger are combined and connected through the valve port control of the first valve body and the second valve body, so that the heat pump system can provide hot water, cooling and heating effects, reduce the capital investment in purchasing single-function units, reduce the problem of large space occupied by the corresponding single-function units, and improve material utilization efficiency.
[0022] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the multiple drawings represent the same or similar parts or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings only depict some embodiments disclosed in accordance with the utility model and should not be regarded as limiting the scope of the utility model.
[0024] Figure 1 This is a schematic diagram of the piping connection of the multi-circuit integrated heat pump system of the utility model.
[0025] In the figure: 1. air energy unit; 11. liquid supply outlet; 12. return water inlet; 2. first valve body; 21. first valve port; 22. second valve port; 23. third valve port; 3. first water tank; 31. coil inlet; 32. coil outlet; 33. water supply port; 34. hot water use end; 4. second valve body; 41. fourth valve port; 42. fifth valve port; 43. sixth valve port; 5. heat exchanger; 51. liquid inlet; 52. liquid outlet; 6. second water tank; 61. waterway outlet; 62. waterway inlet. DETAILED DESCRIPTION
[0026] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.
[0027] With the development of economy and the improvement of living standards, air conditioners and water heaters are becoming more and more popular, and more and more families have a full set of equipment. However, buying a device for each function is not only economically burdensome, but also takes up more space. Therefore, a multifunctional system integrating cooling, heating and hot water will be the development direction of electrical appliances in the future.
[0028] In order to solve the above problems, this embodiment provides a multi-circuit integrated heat pump system that integrates air conditioning and hot water supply with small footprint and high integration. The system can realize multiple functions with one unit, and can provide cooling, heating and hot water, reducing the capital investment in purchasing single-function units, and also reducing the problem of large space occupied by the corresponding single-function units, improving material utilization efficiency, and reducing the pollution and waste generated when producing these single-function units. Furthermore, the water quality of domestic water is not affected by the liquid supply of the heat pump system, avoiding the pollution of domestic water affecting the water quality.
[0029] like Figure 1 As shown, the multi-circuit integrated heat pump system of this embodiment specifically includes an air energy unit 1, a first water tank 3, a heat exchanger 5, a first valve body 2 and a second valve body 4.
[0030] The air energy unit 1 has a liquid supply outlet 11 and a return water inlet 12; the air energy unit 1 is a device that uses the heat in the air to provide heating or cooling. The air energy unit 1 is also called an air source heat pump, which can heat or cool a fluid (usually water or air) by absorbing heat from the air. In the heating mode, the air energy unit 1 transfers the absorbed heat to the interior of the building, and in the cooling mode, the air energy unit 1 releases the absorbed heat energy to the external environment.
[0031] The connection relationship and working principle of the various components of the air energy unit 1 itself have been disclosed in the prior art, and the working conditions of the air energy unit 1 itself will not be described here.
[0032] The first water tank 3 , also called the domestic water tank, contains domestic water. An inner coil is provided inside the first water tank 3 . The inner coil is used to directly exchange heat with the domestic water using the heat transfer medium in the tube, thereby heating the domestic water in the first water tank 3 .
[0033] Among them, the inner coil can be set as one of a spiral coil, a serpentine coil or a disc coil. The spiral coil is spirally wound inside the first water tank 3, which increases the contact area of the fluid and thus improves the heat exchange efficiency; the serpentine coil is coiled like a snake, which also helps the fluid to form turbulence inside the container and improves the heat exchange effect; the disc coil usually forms a disc structure in a plane, which can be round, square or other shapes to improve the heat exchange efficiency.
[0034] The first water tank 3 also has a water supply port 33 , which is connected to a hot water use end 34 through a pipeline to provide hot water to the hot water use end 34 .
[0035] The heat exchanger 5 has a liquid inlet end 51 and a liquid outlet end 52. The heat exchanger 5 can be a shell and tube heat exchanger 5, a plate heat exchanger 5 or a coil heat exchanger 5. The heat exchanger 5 works by transferring the heat carried by the refrigerant to water or other media, thereby achieving heating or cooling. The working principle and internal structure of the heat exchanger 5 have been disclosed in the prior art, and the working condition of the heat exchanger 5 itself will not be described here.
[0036] The first valve body 2 includes at least three valve ports; in the present embodiment, the first valve body 2 is a three-way valve, including a first valve port 21, a second valve port 22 and a third valve port 23. In the present embodiment, the first valve port 21 is connected to the liquid supply outlet port 11, the second valve port 22 is connected to the coil inlet port 31 of the inner coil, and the third valve port 23 is connected to the liquid inlet port 51. The flow direction of the fluid in the pipeline is controlled by controlling the switching state of the three valve ports.
[0037] The second valve body 4 also includes at least three valve ports. In this embodiment, the second valve body 4 is also configured as a three-way valve, including a fourth valve port 41, a fifth valve port 42 and a sixth valve port 43. The fourth valve port 41 is connected to the return water inlet end 12, the fifth valve port 42 is connected to the coil outlet end 32 of the inner coil, and the sixth valve port 43 is connected to the liquid outlet end 52. The flow direction of the fluid in the pipeline is controlled by controlling the switching status of the three valve ports.
[0038] In some embodiments, the heat pump system further includes a second water tank 6, which is also called a buffer water tank. The second water tank 6 is disposed between the heat exchanger 5 and the second valve body 4, and is used to absorb pressure fluctuations caused by the start and stop of the valve body, reduce water hammer effects, and protect pipelines and equipment. In this embodiment, the second water tank 6 has a waterway inlet end 62 and a waterway outlet end 61, the waterway inlet end 62 is connected to the liquid outlet end 52, and the waterway outlet end 61 is connected to the sixth valve port 43.
[0039] This embodiment controls and selects the working state of each valve port of the first valve body 2 and the working state of each valve port of the second valve body 4 so that the entire heat pump system forms an independent hot water circuit, an independent cooling circuit or an independent heating circuit.
[0040] The working principle of the heat pump system is as follows:
[0041] When the first valve port 21, the second valve port 22, the fourth valve port 41 and the fifth valve port 42 are all in the open state, and the third valve port 23 and the sixth valve port 43 are all in the closed state, the liquid supply outlet 11 of the air energy unit 1 is connected to the return water inlet 12 through the inner coil, forming a hot water loop. When the first valve port 21 and the second valve port 22 are connected, the high-temperature liquid output from the liquid supply outlet 11 of the air energy unit 1 flows into the inner coil through the coil inlet 31, and heats the domestic water in the first water tank 3 by heat exchange. After the water supply port 33 of the first water tank 3 is opened, hot water is provided to the hot water use end 34; when the fourth valve port 41 and the fifth valve port 42 are connected, the liquid in the inner coil flows to the return water inlet 12 of the air energy unit 1 through its coil outlet 32, forming a complete hot water loop.
[0042] When the first valve port 21, the third valve port 23, the fourth valve port 41 and the sixth valve port 43 are all in the open state, and the second valve port 22 and the fifth valve port 42 are all in the closed state, the liquid supply outlet port 11 of the air energy unit 1 is connected to the return water inlet port 12 through the heat exchanger 5 and the second water tank 6 in sequence, forming a cooling and heating circuit. When the first valve port 21 and the third valve port 23 are connected, the liquid output from the liquid supply outlet port 11 of the air energy unit 1 flows to the liquid inlet port 51 of the heat exchanger 5, and when the fourth valve port 41 and the sixth valve port 43 are connected, the liquid flowing out of the liquid outlet port 52 of the heat exchanger 5 flows into the return water inlet port 12 of the air energy unit 1 through the second water tank 6, forming a cooling circuit or a heating circuit.
[0043] In the cooling circuit / heating circuit, the air energy unit 1 and the heat exchanger 5 cooperate with each other to achieve the cooling / heating function. In the heating mode, the air energy unit 1 drives the refrigerant to circulate in the pipeline by absorbing heat from the air. The refrigerant circulates to the heat exchanger 5 and releases the heat carried by the refrigerant to the indoor environment where the heat exchanger 5 is located to achieve the heating effect; in the cooling mode, the heat exchanger 5 absorbs the heat in the indoor environment and releases the heat to the outdoor environment through the air energy unit 1 to achieve the cooling effect.
[0044] In order to achieve automatic control, the heat pump system may also include a controller, and the first valve body 2 and the second valve body 4 are electrically connected to the controller. The controller is used to control the switching states of the first valve port 21, the second valve port 22, the third valve port 23, the fourth valve port 41, the fifth valve port 42 and the sixth valve port 43 respectively, so as to achieve automatic control of the valve port switching; at the same time, the controller can also be electrically connected to the air energy unit 1 and the heat exchanger 5, so as to control the working states of the air energy unit 1 and the heat exchanger 5, so as to achieve heating / cooling effects.
[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.
[0046] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0047] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A multi-circuit integrated heat pump system, characterized in that: include: The air energy unit has a liquid supply outlet and a return water inlet; A first water tank, provided with an inner coil, wherein the inner coil is used to heat water in the first water tank; A heat exchanger having a liquid inlet end and a liquid outlet end; A first valve body, comprising a first valve port, a second valve port and a third valve port, wherein the first valve port is connected to the liquid supply outlet end, the second valve port is connected to the coil inlet end of the inner coil, and the third valve port is connected to the liquid inlet end; The second valve body includes a fourth valve port, a fifth valve port and a sixth valve port, wherein the fourth valve port is connected to the return water inlet end, the fifth valve port is connected to the coil outlet end of the inner coil, and the sixth valve port is connected to the liquid outlet end.
2. The multi-circuit integrated heat pump system according to claim 1, characterized in that: The first water tank has a water supply port, and the water supply port is used to connect to a hot water use end to provide hot water to the hot water use end.
3. The multi-circuit integrated heat pump system according to claim 1, characterized in that: The inner coil is one of a spiral coil, a serpentine coil or a disc coil.
4. The multi-circuit integrated heat pump system according to claim 1, characterized in that: Also includes: The second water tank has a water channel inlet end and a water channel outlet end, wherein the water channel inlet end is connected to the liquid outlet end, and the water channel outlet end is connected to the sixth valve port.
5. The multi-circuit integrated heat pump system according to claim 4, characterized in that: When the first valve port, the second valve port, the fourth valve port and the fifth valve port are all in an open state, and the third valve port and the sixth valve port are all in a closed state, the liquid supply outlet end of the air energy unit is connected with the return water inlet end through the inner coil to form a hot water circuit.
6. The multi-circuit integrated heat pump system according to claim 5, characterized in that: When the first valve port, the third valve port, the fourth valve port and the sixth valve port are all in the open state, and the second valve port and the fifth valve port are all in the closed state, the liquid supply outlet end of the air energy unit is connected to the return water inlet end via the heat exchanger and the second water tank in sequence to form a cooling and heating circuit.
7. The multi-circuit integrated heat pump system according to claim 1, characterized in that: Also includes: A controller, wherein the first valve body and the second valve body are electrically connected to the controller, and the controller is used to control the switching states of the first valve port, the second valve port, the third valve port, the fourth valve port, the fifth valve port and the sixth valve port respectively.
8. The multi-circuit integrated heat pump system according to claim 7, characterized in that: The controller is electrically connected to the air energy unit and the heat exchanger, and is used to control the working states of the air energy unit and the heat exchanger.
9. The multi-circuit integrated heat pump system according to claim 1, characterized in that: The heat exchanger is a shell and tube heat exchanger, a plate heat exchanger or a coil heat exchanger.