Air source and water source double-source cooling and heating all-in-one machine

Abstract

The utility model relates to the technical field of cooling and heating all-in-one machines, in particular to an air source and water source double-source cooling and heating all-in-one machine, which comprises a shell, a cooling fan, an air inlet and a mounting base, the evaporation heat exchanger is used for enabling a heat exchange medium to exchange heat with air; the first-stage temperature change machine comprises a first expansion valve, a first compressor and a first four-way valve, the expansion valve is arranged at the communication position of the first-stage temperature change machine and the evaporation heat exchanger, the first four-way valve is arranged on the medium transmission pipeline close to one end of the expansion valve, and the first compressor is connected with the first four-way valve; an economizer; the second-stage temperature change machine comprises a second expansion valve, a second compressor and a second four-way valve, and the second compressor is arranged at the position communicated with the economizer; the double-pipe heat exchanger comprises a water inlet, a water outlet, an air inlet and an air outlet; and a medium storage tank. According to the utility model, the temperature change efficiency in the refrigerating and heating processes is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold and warm integrated machine technical field especially relates to air source water source dual -source cold and warm integrated machine. BACKGROUND

[0002] Air source heat pump technology utilizes the low-temperature heat energy in the atmosphere, and converts the low-temperature heat energy into high-temperature heat energy through the working principle of heat pump, to realize the function of refrigeration in summer.

[0003] The dual-source cold and warm integrated machine combines the two technologies, and can automatically select the optimal cold and heat source according to the environmental temperature and user demand. In winter, heat can be absorbed from the air, and the heat energy in the water source can be used for supplement to improve the heating efficiency; in summer, the heat in the room can be discharged to the outdoor, and the water source can be used for cooling to improve the refrigeration effect.

[0004] This equipment has the advantages of high efficiency, energy saving, environmental protection, safety, comfort and health, and is suitable for various places such as residence, business and industry, and is an ideal cold and warm integrated solution in modern buildings.

[0005] Chinese patent publication No. CN105757814A discloses a cold and warm integrated machine air conditioner, which aims to provide a cold and warm integrated machine air conditioner with greatly improved energy saving effect and can be installed indoors or outdoors. The circulating heating system is composed of one or more than two circulating heating pipes or a first circulating heating pipe and a second circulating heating pipe connected in series. The circulating heating pipe includes an outer pipe body connected by a first outer pipe body and a second outer pipe body. The first outer pipe body is provided with a liquid inlet, and the second outer pipe body is provided with a liquid outlet. A heat pipe group is arranged in the second outer pipe body. The heat pipe group is formed by arranging a plurality of heat pipes in a ring shape. A single-head flanged inner pipe body is arranged outside the heat pipe group. A return liquid flow channel is formed between the outer wall of the single-head flanged inner pipe body and the inner wall of the second outer pipe body. Heat dissipation fins are arranged on the heat pipe group. The heat efficiency of the electric heating wire with the same power is improved, and the energy saving effect is greatly improved. However, the existing technology has the following problems: the temperature change efficiency is low during the refrigeration and heating process. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model provides an air source water source dual-source cold and warm integrated machine to overcome the problem of low temperature change efficiency during the refrigeration and heating process in the prior art.

[0007] To achieve the above purpose, the utility model provides an air source water source dual-source cold and warm integrated machine, which comprises:

[0008] A shell, an upper part of which is provided with a heat dissipation fan, a side part of which is provided with an air inlet, and a lower part of which is provided with a mounting base;

[0009] An evaporative heat exchanger, which is arranged inside the shell near one end of the heat dissipation fan, is used for heat exchange between the heat exchange medium and air;

[0010] A primary temperature changing machine, which is arranged at the right end of the mounting base, comprises a first expansion valve, a first compressor and a first four-way valve, the expansion valve is arranged at the communication between the primary temperature changing machine and the evaporative heat exchanger, the first four-way valve is arranged on the medium transmission pipeline near one end of the expansion valve, and the first compressor is connected with the first four-way valve;

[0011] An economizer, which is arranged at the left end of the mounting base;

[0012] A secondary temperature changing machine, which is arranged at the right end of the mounting base in parallel with the primary temperature changing machine, comprises a second expansion valve, a second compressor and a second four-way valve, and the second compressor is arranged at the communication with the economizer;

[0013] A double-pipe heat exchanger, which is arranged at the left end of the mounting base in parallel with the economizer, is used for heat exchange with the heat exchange medium, and comprises a water inlet, a water outlet, an air inlet and an air outlet, the water inlet is arranged at one end near the mounting base, the water outlet is arranged at one end away from the mounting base, and the air inlet is communicated with the secondary temperature changing machine;

[0014] A medium storage tank, one end of which is communicated with the double-pipe heat exchanger, and the other end of which is communicated with the primary temperature changing machine.

[0015] Further, a mounting flange is arranged on the shell, which is used for overall installation of multiple cold and warm all-in-one machines.

[0016] Further, the evaporative heat exchanger is a finned evaporative heat exchanger, which is symmetrically arranged inside the shell near one end of the heat dissipation fan, and is used for preliminary changing of the temperature of the heat exchange medium.

[0017] Further, one end of the primary temperature changing machine is communicated with the evaporative heat exchanger, and the other end of the primary temperature changing machine is communicated with the economizer, one end of the secondary temperature changing machine is communicated with the economizer, and the other end of the secondary temperature changing machine is communicated with the double-pipe heat exchanger.

[0018] Further, the air inlet is arranged at the communication between the secondary temperature changing machine and the double-pipe heat exchanger, and the air outlet is arranged at the communication between the secondary temperature changing machine and the medium storage pipeline.

[0019] Further, the first four-way valve is a low-temperature four-way valve, which is used to change the flow direction of the heat exchange medium flowing through the valve.

[0020] Further, the second four-way valve is a high-temperature four-way valve, which is used to change the flow direction of the heat exchange medium flowing through the valve, and is used in cooperation with the first four-way valve to realize refrigeration or heating.

[0021] Further, the first valve is arranged inside the air inlet, and the second valve is arranged inside the air outlet, and the first valve and the second valve can adjust the flow rate of the heat exchange medium.

[0022] Further, the control module is connected with the evaporative heat exchanger, the first-stage temperature changing machine, the economizer, the second-stage temperature changing machine, the double-pipe heat exchanger, the first four-way valve and the second four-way valve, respectively, and the control module controls the first four-way valve and the second four-way valve to change the flow direction of the heat exchange medium to the temperature increasing direction in response to a first preset temperature.

[0023] Further, the control module controls the first four-way valve and the second four-way valve to change the flow direction of the heat exchange medium to the temperature decreasing direction in response to a second preset temperature.

[0024] Compared with the prior art, the air source and water source dual-source cold and warm all-in-one machine has the advantages that the evaporative heat exchanger, the first-stage temperature changing machine, the economizer, the second-stage temperature changing machine and the double-pipe heat exchanger are arranged, the heat exchange medium is subjected to staged temperature increasing or temperature decreasing, the temperature change of the cold and warm all-in-one machine is larger under the same working power, and therefore the temperature change efficiency in the refrigeration and heating processes is improved, and the heating or refrigeration effect is improved.

[0025] Further, the air source and water source dual-source cold and warm all-in-one machine has the advantages that the mounting flange is arranged on the shell, multiple cold and warm all-in-one machines can be stacked and mounted in a use scene with high heating or refrigeration requirements, the occupied area is reduced, and the mounting efficiency is improved.

[0026] Further, the air source and water source dual-source cold and warm all-in-one machine has the advantages that the double-pipe heat exchanger is arranged, water is used as the second heat exchange medium, the water temperature is increased during heating, the water is used as the medium to circulate and heat, the heat absorbed by the heat exchange medium from the indoor is absorbed by the water during refrigeration, the temperature of the heat exchange medium is reduced, the subsequent refrigeration power is reduced, the temperature change efficiency in the refrigeration and heating processes is improved, and the use energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 1 is a whole view of an air source and water source dual-source cold and warm all-in-one machine according to an embodiment of the present application;

[0028] Figure 2 FIG. 1 is a whole view of an air source and water source dual-source cold and warm all-in-one machine according to an embodiment of the present application;

[0029] Figure 3 Structure diagram of air source and water source dual-source cooling and heating integrated machine according to an embodiment of the present application;

[0030] In the figure: 1, outer shell; 2, mounting flange; 3, heat dissipation fan; 4, mounting base; 5, evaporative heat exchanger; 6, water inlet; 7, water outlet; 8, first four-way valve; 9, second four-way valve; 10, first expansion valve; 11, first compressor; 12, double-pipe heat exchanger; 13, medium storage tank; 14, two-stage temperature changing machine; 15, one-stage temperature changing machine; 16, economizer; 17, air inlet; 18, air outlet; 19, second compressor; 20, second expansion valve. DETAILED DESCRIPTION

[0031] In order to make the objects and advantages of the present application clearer, the present application will be further described in conjunction with embodiments. It should be understood that the specific embodiments described herein merely serve to explain the present application and do not limit the present application.

[0032] The preferred embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that the embodiments merely serve to explain the technical principles of the present application and are not intended to limit the protection scope of the present application.

[0033] It should be noted that, in the description of the present application, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicating the direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0034] In addition, it should also be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. Those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0035] Please refer to Figures 1-3 as shown, Figure 1 Whole diagram of air source and water source dual-source cooling and heating integrated machine according to an embodiment of the present application; Figure 2 Structure diagram of air source and water source dual-source cooling and heating integrated machine according to an embodiment of the present application; Figure 3 Structure diagram of air source and water source dual-source cooling and heating integrated machine according to an embodiment of the present application.

[0036] The air source and water source dual-source cooling and heating all-in-one machine comprises:

[0037] The shell is provided with a heat dissipation fan 3 at the upper portion, an air inlet at the side portion, and a mounting base 4 at the lower portion;

[0038] The evaporative heat exchanger 5 is arranged at one end of the shell close to the heat dissipation fan 3, and is used for heat exchange between the heat exchange medium and air.

[0039] The primary temperature changing machine 15 is arranged at the right end of the mounting base 4, and comprises a first expansion valve 10, a first compressor 11, and a first four-way valve 8.

[0040] The economizer 16 is arranged at the left end of the mounting base 4.

[0041] The secondary temperature changing machine 14 is arranged at the right end of the mounting base 4 in parallel with the primary temperature changing machine 15, and comprises a second expansion valve 20, a second compressor 19, and a second four-way valve 9.

[0042] The double-pipe heat exchanger 12 is arranged at the left end of the mounting base 4 in parallel with the economizer 16, and is used for heat exchange with the heat exchange medium, and comprises a water inlet 6, a water outlet 6, an air inlet 17, and an air outlet 18.

[0043] The medium transmission pipeline is used for flowing of the heat exchange medium in the cooling and heating all-in-one machine.

[0044] The medium storage tank 13 is in communication with the double-pipe heat exchanger 12 at one end, and is in communication with the primary temperature changing machine 15 at the other end.

[0045] Specifically, the shell 1 is provided with a mounting flange 2, and a plurality of cooling and heating all-in-one machines are integrally mounted.

[0046] Specifically, the evaporative heat exchanger 5 is a finned evaporative heat exchanger 5, which is symmetrically arranged at one end of the shell close to the heat dissipation fan 3, and is used for preliminary change of the temperature of the heat exchange medium.

[0047] Specifically, one end of the primary temperature changer 15 is communicated with the evaporative heat exchanger 5, and the other end is communicated with the economizer 16; one end of the secondary temperature changer 14 is communicated with the economizer 16, and the other end is communicated with the double-pipe heat exchanger 12.

[0048] Specifically, the air inlet 17 is arranged at the communication position of the secondary temperature changer 14 and the double-pipe heat exchanger 12, and the air outlet 18 is arranged at the communication position of the secondary temperature changer 14 and the medium storage pipe.

[0049] Specifically, the first four-way valve 8 is a low-temperature four-way valve, which is used to change the flow direction of the heat exchange medium flowing through the valve.

[0050] Specifically, the second four-way valve 9 is a high-temperature four-way valve, which is used to change the flow direction of the heat exchange medium flowing through the valve, and is used in cooperation with the first four-way valve 8 to realize refrigeration or heating.

[0051] Specifically, the air inlet 17 is internally provided with a first valve, and the air outlet 18 is internally provided with a second valve, and the first valve and the second valve can adjust the flow rate of the heat exchange medium.

[0052] Specifically, the control module is further connected with the evaporative heat exchanger 5, the primary temperature changer 15, the economizer 16, the secondary temperature changer 14, the double-pipe heat exchanger 12, the first four-way valve 8 and the second four-way valve 9, and the control module controls the first four-way valve 8 and the second four-way valve 9 to make the flow direction of the heat exchange medium be the heating direction in response to a first preset temperature.

[0053] Specifically, the control module controls the first four-way valve 8 and the second four-way valve 9 to make the flow direction of the heat exchange medium be the cooling direction in response to a second preset temperature, and it can be understood that the first preset temperature represents the temperature at which refrigeration starts.

[0054] The working process of the utility model is: when the first preset temperature, the control module starts working through controlling the evaporative heat exchanger 5, the heat exchange medium in the evaporative heat exchanger 5 preliminarily absorbs the heat of air and enters the first temperature change machine 15 through the expansion valve, the first temperature change machine 15 compresses the heat exchange medium once through the first compressor 11 and promotes the temperature of heat exchange medium, the heat exchange medium after once temperature promotion continues to flow to the economizer 16, the heat exchange medium is heated twice by the economizer 16, the heat exchange medium after twice temperature promotion flows from the economizer 16 to the second temperature change machine 14, the second temperature change machine 14 compresses the heat exchange medium three times through the second compressor 19 and promotes the temperature of heat exchange medium, the temperature of heat exchange medium after three times promotion has reached the heating demand, enters the sleeve type heat exchanger 12 from the air inlet 17 and exchanges heat with the water flowing in it, enters the medium storage tank 13 from the air outlet 18, the heat exchange medium circulates heating in the medium storage tank 13 and enters the first temperature change machine 15, hot water flows out from the water outlet 6 and heats.

[0055] When the second preset temperature, the control module controls the first four-way valve 8 and the second four-way valve 9 to make the flow direction of heat exchange medium opposite to that when the first preset temperature, the heat exchanger in the indoor unit absorbs the temperature of indoor through the heat exchange medium and enters the sleeve type heat exchanger 12 from the air inlet 17, exchanges heat with the water flowing in it and reduces the temperature of heat exchange medium once, enters the medium storage tank 13 from the air outlet 18, enters the first temperature change machine 15 from the medium storage tank 13, reduces the temperature of heat exchange medium twice after expansion through the expansion valve, then enters the economizer 16 from the first temperature change machine 15, reduces the temperature of heat exchange medium twice by the economizer 16, then flows into the second temperature change machine 14, reduces the temperature of heat exchange medium three times through the second expansion valve 20 of the second temperature change machine 14, the heat exchange medium after temperature reduction enters the heat exchanger of indoor unit and exchanges heat with indoor air to carry out refrigeration.

[0056] Up to now, the technical scheme of the present application has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the present application, and the technical scheme after the changes or replacements will fall within the protection scope of the present application.

Claims

1. An air source and water source dual-source heating and cooling all-in-one machine, characterized in that, The utility model relates to a cold and warm all-in-one machine, including: The upper portion of the shell is provided with a heat dissipation fan, the side portion is provided with an air inlet, and the lower portion is provided with a mounting base; An evaporative heat exchanger is arranged inside the shell near one end of the heat dissipation fan to exchange heat between the heat exchange medium and air; A first temperature changing machine is arranged at the right end of the mounting base and includes a first expansion valve, a first compressor and a first four-way valve, the expansion valve is arranged at the communication between the first temperature changing machine and the evaporative heat exchanger, the first four-way valve is arranged on the medium transmission pipeline near one end of the expansion valve, and the first compressor is connected with the first four-way valve; An economizer is arranged at the left end of the mounting base; A second temperature changing machine is arranged at the right end of the mounting base in parallel with the first temperature changing machine and includes a second expansion valve, a second compressor and a second four-way valve, and the second compressor is arranged at the communication with the economizer; A double-pipe heat exchanger is arranged at the left end of the mounting base in parallel with the economizer to exchange heat with the heat exchange medium, includes a water inlet, a water outlet, an air inlet and an air outlet, the water inlet is arranged at one end near the mounting base, the water outlet is arranged at one end away from the mounting base, and the air inlet is communicated with the second temperature changing machine; A medium storage tank is communicated with the double-pipe heat exchanger at one end and with the first temperature changing machine at the other end.

2. The air source and water source dual-source heating and cooling all-in-one machine according to claim 1, characterized in that, A mounting flange is arranged on the shell to integrally mount a plurality of cold and warm all-in-one machines.

3. The air source and water source dual-source all-in-one heating and cooling machine of claim 1, wherein, The evaporative heat exchanger is a finned evaporative heat exchanger and is symmetrically arranged inside the shell near one end of the heat dissipation fan to preliminarily change the temperature of the heat exchange medium.

4. The air source and water source dual-source all-in-one heating and cooling machine of claim 1, wherein, One end of the first temperature changing machine is communicated with the evaporative heat exchanger, the other end is communicated with the economizer, one end of the second temperature changing machine is communicated with the economizer, and the other end is communicated with the double-pipe heat exchanger.

5. The air source and water source dual-source all-in-one heating and cooling machine of claim 1, wherein, The air inlet is arranged at the communication between the second temperature changing machine and the double-pipe heat exchanger, and the air outlet is arranged at the communication between the second temperature changing machine and the medium storage pipeline.

6. The air source and water source dual-source all-in-one heating and cooling machine of claim 1, wherein, The first four-way valve is a low-temperature four-way valve to change the flow direction of the heat exchange medium flowing through the valve.

7. The air source and water source dual-source all-in-one heating and cooling machine of claim 1, wherein, The second four-way valve is a high-temperature four-way valve to change the flow direction of the heat exchange medium flowing through the valve and is used in cooperation with the first four-way valve to realize refrigeration or heating.

8. The air source and water source dual-source all-in-one heating and cooling machine of claim 1, wherein, The first valve is arranged inside the air inlet, the second valve is arranged inside the air outlet, and the first valve and the second valve can adjust the flow rate of the heat exchange medium.

9. The air source and water source dual-source all-in-one heating and cooling machine of claim 1, wherein, A control module is further included and is connected with the evaporative heat exchanger, the first temperature changing machine, the economizer, the second temperature changing machine, the double-pipe heat exchanger, the first four-way valve and the second four-way valve, the control module controls the first four-way valve and the second four-way valve to make the flow direction of the heat exchange medium be a temperature rising direction in response to a first preset temperature.

10. The air source and water source dual-source all-in-one heating and cooling machine of claim 9, wherein, The control module controls the first four-way valve and the second four-way valve to make the flow direction of the heat exchange medium be a temperature falling direction in response to a second preset temperature.

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