CN211854541U

CN211854541U - Plug-in equipment and air conditioner with freezing function

Info

Publication number: CN211854541U
Application number: CN202020140743.XU
Authority: CN
Inventors: 吴旻
Original assignee: Wuyi University
Current assignee: Wuyi University
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-11-03
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses an air conditioner with freezing function, air conditioner, including external equipment, expansion valve, condenser, compressor and evaporimeter, the compressor the condenser the expansion valve external equipment and the evaporimeter communicates in proper order and forms the return circuit, and external equipment includes capillary and stop valve, the capillary spirals and encircles the setting, the stop valve with the capillary is parallelly connected, the both ends of capillary all are provided with the coupling, the coupling respectively with the pipeline that the expansion valve extends, and the pipeline fixed connection that the evaporimeter extends. The spiral capillary tube is connected between the expansion valve and the evaporator in the air conditioner, so that the pressure of the liquid refrigerant is reduced when the liquid refrigerant enters the capillary tube, the lowest refrigerating temperature is reduced, and the effect of quick cooling is achieved.

Description

Plug-in equipment and air conditioner with freezing function

Technical Field

The invention relates to the field of refrigeration equipment, in particular to plug-in equipment and an air conditioner with a freezing function.

Background

The price of the existing refrigerator is much higher than that of the air conditioner, and the existing air conditioner or refrigerator cannot perform quick cooling on food occasionally in daily use.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an external hanging device which can be used for freezing by an air conditioner.

The invention also provides an air conditioner with the plug-in equipment.

According to the external hanging device and the air conditioner with the freezing function, the external hanging device comprises the capillary tube and the stop valve, the capillary tube is arranged in a spiral surrounding mode, the stop valve is connected with the capillary tube in parallel, and pipe joints are arranged at two ends of the capillary tube.

The plug-in equipment and the air conditioner with the freezing function provided by the embodiment of the invention at least have the following beneficial effects: the spiral capillary tube is connected between an expansion valve and an evaporator in the air conditioner, so that the pressure of the liquid refrigerant is reduced when the liquid refrigerant enters the capillary tube, the lowest refrigeration temperature is reduced, and the effect of quick cooling is achieved.

According to some embodiments of the invention, the pipe joint is a copper pipe joint.

According to some embodiments of the invention, the capillary tube comprises an inlet section, an outlet section and an intermediate section, the inner tube diameter of the inlet section and the outlet section being larger than the inner tube diameter of the intermediate section, the inner tube walls between the inlet section and the intermediate section and between the intermediate section and the outlet section being in smooth transition.

According to some embodiments of the invention, the inner pipe diameter of the inlet section and the outlet section is 5mm to 7mm, and the inner pipe diameter of the intermediate section is 1mm to 3 mm.

According to some embodiments of the invention, the total length of the capillary is between 250mm and 600 mm.

According to some embodiments of the invention, the pipe joints are fixed to the inlet section and the outlet section, and the heat-insulating cover is sleeved on the periphery of the middle section.

According to some embodiments of the invention, the shut-off valve comprises a solenoid valve.

The air conditioner with the freezing function comprises any one of the plug-in devices, an expansion valve, a condenser, a compressor and an evaporator, wherein the compressor, the condenser, the expansion valve, the plug-in device and the evaporator are communicated in sequence to form a loop.

According to some embodiments of the invention, the pipe joint is fixedly connected to a pipe from which the expansion valve extends and a pipe from which the evaporator extends, respectively.

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 an installation structure of an air conditioner according to an embodiment of the present invention.

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 drawings are exemplary only for the purpose of explaining the present invention, and should not 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, the air conditioner according to the embodiment of the present invention includes an external device 100, an expansion valve 500, a condenser 400, a compressor 300, and an evaporator 200, wherein the compressor 300, the condenser 400, the expansion valve 500, the external device 100, and the evaporator 200 are sequentially communicated to form a loop, the external device 100 includes a capillary tube 110 and a stop valve 120, the capillary tube 110 is spirally wound, the stop valve 120 is connected in parallel with the capillary tube 110, pipe joints are respectively disposed at two ends of the capillary tube 110, and the pipe joints are respectively fixedly connected to a pipe extending from the expansion valve 500 and a pipe extending from the evaporator 200.

When the quick-freezing device is used, a pipeline between the expansion valve 500 and the evaporator 200 is disassembled, the capillary tube 110 is connected between the expansion valve 500 and the evaporator 200, the capillary tube 110 is arranged in a spiral mode, a path through which a liquid refrigerant passes is enlarged, accordingly, the pressure is reduced, the lowest refrigerating temperature of the refrigerant entering the evaporator 200 is reduced, and after the refrigerant enters the evaporator 200, the quick-freezing effect is achieved.

In addition, the cut-off valve 120 is added for convenience of switching between the freezing mode and the general air-conditioning mode.

When the stop valve 120 is opened, the refrigerant passes through the pipeline at the stop valve 120 and reaches the evaporator 200 due to the large resistance of the capillary tube 110, and the original function of the air conditioner is used;

when the stop valve 120 is closed, the refrigerant passes through the capillary tube 110 and then enters the evaporator 200, so that the quick-freezing function is realized.

In certain embodiments, the tube fitting is a copper tube fitting. Prevent the joint from being corroded by the refrigerant and prevent the refrigerant from leaking.

In certain embodiments, the capillary tube 110 includes an inlet section, an outlet section, and an intermediate section having an inner tube diameter greater than the inner tube diameter of the intermediate section, with smooth transitions between the inner tube walls of the inlet and outlet sections and the intermediate and outlet sections.

Preferably, the inner pipe diameters of the inlet section and the outlet section are 5 mm-7 mm, and the inner pipe diameter of the middle section is 1 mm-3 mm. In this embodiment, it is preferable that the inner diameters of the inlet section and the outlet section are 6mm, and the inner diameter of the intermediate section is 2mm, so as to promote the flow of the refrigerant.

In certain embodiments, the total length of the capillary tube 110 is between 250mm and 600 mm. And assembling according to different temperature requirements.

In some embodiments, the pipe joints are fixed on the inlet section and the outlet section, and the heat preservation cover is sleeved on the periphery of the middle section. The external temperature is prevented from affecting the temperature of the refrigerant in the capillary tube 110.

In certain embodiments, the shut-off valve 120 comprises a solenoid valve. The control is convenient.

Preferably, there is temperature sensor in some air conditioners for adjust and control the start-stop of compressor 300 in real time to the refrigerated power of control, this can influence the sudden freezing function after the transformation greatly, therefore, in this embodiment, replace into the constant resistance at the original sensor of air conditioner, thereby avoid compressor 300 to stop work.

In the actual use process, the constant resistance always gives a constant signal to the control system, and the control system controls the compressor 300 to continuously work, so that the quick freezing function can be continuously realized.

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. The plug-in equipment is characterized by comprising a capillary tube (110) and a stop valve (120), wherein the capillary tube (110) is spirally arranged in a surrounding manner, the stop valve (120) is connected with the capillary tube (110) in parallel, and pipe joints are arranged at two ends of the capillary tube (110).

2. The strap-hanging device of claim 1, wherein the tube connector is a copper tube connector.

3. The strap-hanging device according to claim 1, characterized in that the capillary tube (110) comprises an inlet section, an outlet section and a middle section, the inner pipe diameter of the inlet section and the outlet section being larger than the inner pipe diameter of the middle section, the inner pipe walls between the inlet section and the middle section and between the middle section and the outlet section being smoothly transitioned.

4. The strap-hanging device according to claim 3, wherein the inlet section and the outlet section have an internal pipe diameter of 5mm to 7mm and the intermediate section has an internal pipe diameter of 1mm to 3 mm.

5. The plug-in device according to claim 3, characterized in that the total length of the capillary (110) is between 250mm and 600 mm.

6. The strap-hanging device of claim 3, wherein the pipe joints are fixed to the inlet section and the outlet section, and a heat-insulating cover is sleeved on the periphery of the middle section.

7. The strap-hanging device according to claim 1, characterized in that the shut-off valve (120) comprises a solenoid valve.

8. The air conditioner with the refrigeration function comprises the plug-in device (100) as claimed in any one of claims 1 to 7, an expansion valve (500), a condenser (400), a compressor (300) and an evaporator (200), wherein the compressor (300), the condenser (400), the expansion valve (500), the plug-in device (100) and the evaporator (200) are communicated in sequence to form a loop.

9. The air conditioner with a freezing function as claimed in claim 8, wherein the pipe joints are fixedly connected with a pipe from which the expansion valve (500) extends and a pipe from which the evaporator (200) extends, respectively.