CN216876780U

CN216876780U - Refrigerating device and cold air therapeutic instrument

Info

Publication number: CN216876780U
Application number: CN202122707839.7U
Authority: CN
Inventors: 程浩; 罗院龙; 罗小兵
Original assignee: Guangzhou Longest Science & Technology Co ltd
Current assignee: Guangzhou Longest Science & Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-07-05
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a refrigerating device and a cold air therapeutic apparatus, and relates to the technical field of physical therapy. The refrigerating device provided by the utility model has the advantages that the vortex tube is adopted to act on the dry compressed gas, so that the dry compressed gas generates vortex to separate cold air flow and hot air flow, the cold air flow is utilized to obtain refrigeration, a refrigerant is not required to be used in the refrigerating process, and the refrigerating device is more energy-saving and environment-friendly.

Description

Refrigerating device and cold air therapeutic instrument

Technical Field

The utility model relates to the technical field of physical therapy, in particular to a refrigerating device and a cold air therapeutic apparatus.

Background

The cold air therapeutic instrument is an instrument which adopts cold therapy to quickly reduce the temperature of a treatment area and enables blood vessels to contract through the thermal shock effect so as to achieve the effects of diminishing inflammation and relieving pain. The cold therapy is to reduce the temperature of local tissues by cold air flow generated by cold air therapeutic equipment, reduce the conduction velocity of sensory nerves, but not cause tissue damage.

The refrigeration principle of the existing cold air therapeutic apparatus is the same as that of a compressor of an air conditioner, but the compressor needs to be added with a refrigerant during refrigeration, so that the harm caused by refrigerant leakage is worried, and the defects of large noise, large heat exchange heat dissipation capacity and the like exist; therefore, there is a need for a new refrigeration device and a new cold air therapy apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a refrigerating device and a cold air therapeutic apparatus.

In order to solve the technical problem, the utility model provides a refrigeration device, which comprises an air pump for providing compressed air, an air tank for storing the compressed air, a condensing assembly for condensing the compressed air to obtain condensed water and drying the compressed air, a first water mist separator for separating the condensed water to obtain the dried compressed air, and a vortex tube for receiving the dried compressed air and forming cold airflow, wherein the air pump, the air tank, the condensing assembly, the first water mist separator and the vortex tube are sequentially arranged.

Further, an air cooler for cooling the compressed air is arranged between the air pump and the air tank.

Further, a second water mist separator for separating liquid water in the compressed gas is arranged between the gas tank and the condensation assembly.

Further, still include the drain valve, the drain valve communicates with first water smoke separator and second water smoke separator respectively.

Further, the condensation subassembly includes refrigeration piece, water tank and water pump, refrigeration piece communicates with first water smoke separator and second water smoke separator respectively, refrigeration piece, water pump and water tank communicate in proper order.

Further, the refrigerating piece is a semiconductor refrigerating piece.

Further, a humidity control pipe is arranged between the first water mist separator and the vortex tube.

The second aspect provides a cold air therapeutic instrument, including therapeutic instrument body, treatment handle and the first aspect refrigerating plant, refrigerating plant locates in the therapeutic instrument body, treatment handle locates on the therapeutic instrument body and treatment handle's the gas outlet corresponds the setting with the cold air outflow of vortex tube.

Furthermore, this internal first solenoid valve that is used for controlling vortex tube that is equipped with of therapeutic instrument, the gas outlet of treatment handle is equipped with the temperature sensor who is used for detecting the cold air temperature, temperature sensor is connected to first solenoid valve electricity.

Furthermore, a second electromagnetic valve for controlling the air pump and an air pressure sensor for detecting the air pressure of the air tank are arranged in the therapeutic apparatus body, and the second electromagnetic valve is electrically connected with the air pressure sensor.

Compared with the prior art, the utility model has the following beneficial effects:

according to the refrigerating device, the compressed gas is directly provided by the air pump, the condensed gas is cooled by the condensing assembly, water molecules in the compressed gas are condensed into condensed water, then the condensed water is separated by the first water mist separator to obtain dry compressed gas, the dry compressed gas enters the vortex device, the vortex tube acts on the dry compressed gas to enable the dry compressed gas to generate a vortex to separate cold and hot gas flows, and cold gas flow is used for refrigerating; compared with the prior art, the refrigerating device does not need to add a refrigerant when refrigerating, does not need to worry about the harm caused by refrigerant leakage, can continuously refrigerate as long as compressed gas exists, has lower manufacturing cost, is free of maintenance of key parts, can effectively reduce working noise, and is more energy-saving and environment-friendly in the refrigerating process.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model:

FIG. 1 is a schematic view of a refrigerating apparatus in embodiment 1;

fig. 2 is a circuit block diagram of the cold air therapy device in embodiment 2.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an air pump; 2. a gas tank; 3. a condensing assembly; 31. a refrigeration member; 32. a water tank; 33. a water pump; 4. a first water mist separator; 5. a vortex tube; 6. a wind cooler; 7. a second water mist separator; 8. a drain valve; 9. a humidity control tube; 10. a first solenoid valve; 11. a temperature sensor; 12. a second solenoid valve; 13. an air pressure sensor.

Detailed Description

For a fuller understanding of the technical aspects of the present invention, reference should be made to the following detailed description taken together with the accompanying drawings; it is to be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like, do not refer to the orientation or positional relationship shown in the drawings, but merely serve to facilitate the description of the present usage confidence and simplify the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used to distinguish between different elements, etc., and do not denote a sequential order, nor do the terms "first" and "second" define different types.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1, the refrigeration apparatus shown in this embodiment includes an air pump 1 for providing compressed air, an air tank 2 for storing the compressed air, a condensing assembly 3 for condensing the compressed air to obtain condensed water and drying the compressed air, a first water mist separator 4 for separating the condensed water to obtain dried compressed air, and a vortex tube 5 for receiving the dried compressed air and forming a cold air flow, where the air pump 1, the air tank 2, the condensing assembly 3, the first water mist separator 4, and the vortex tube 5 are sequentially disposed.

When the cold therapy is required, the air pump 1 is started, the air pump 1 can continuously generate compressed air, and the compressed air can continuously enter the air tank 2 for storage; because the temperature of the compressed gas generated by the high-speed operation of the piston of the air pump 1 is higher, the compressed gas can be liquefied when being cooled during the output through the gas transmission pipeline, the compressed gas generated by the air pump 1 is carried with water, and the refrigeration of the vortex tube 5 needs to dry the compressed gas, because the ice can be generated inside the vortex tube 5 to obstruct the output of the cold gas flow if the compressed gas is not dried; meanwhile, the heat absorption ratio of the compressed gas containing water molecules is far greater than that of dry air, and the refrigeration effect of the vortex tube 5 can be improved by drying; therefore, the condensation component 3 is required to condense the compressed gas to obtain condensed water and dry compressed gas, the condensed water and the dry compressed gas are separated through the first water mist separator 4, the separated dry compressed gas enters the vortex tube 5, the vortex tube 5 acts on the dry compressed gas to generate vortex to separate cold air flow and hot air flow, the cold air flow is sprayed out from a treatment handle of the cold air therapeutic apparatus, the cold air flow can rapidly reduce the temperature of a treatment area, and blood vessels are contracted through a thermal shock effect, so that the effects of diminishing inflammation and relieving pain are achieved.

Compared with the prior art, the refrigerating device of the embodiment does not need to add a refrigerant in the refrigerating process, does not need to worry about the harm caused by refrigerant leakage, can continuously refrigerate as long as compressed gas exists, has lower manufacturing cost, is free of maintenance of key parts, can effectively reduce working noise, and is more energy-saving and environment-friendly in the refrigerating process.

As shown in fig. 1, when the air pump 1 works for a long time, the temperature of the compressed air output by the air pump 1 can rise to about 50 ℃, and the compressed air with higher temperature can directly affect the refrigeration effect of the vortex tube 5, so that heat dissipation treatment needs to be performed on the compressed air, if a cooling fin is added or air cooling and water cooling treatment are adopted, an air cooler 6 for cooling the compressed air is further arranged between the air pump 1 and the air tank 2 in the embodiment, the output compressed air is firstly cooled by the air cooler 6, then enters the air tank 2, and is then cooled by the condensing assembly 3 in three steps.

Specifically, as shown in fig. 1, the condensing assembly 3 includes a refrigerating member 31, a water tank 32 and a water pump 33, wherein the refrigerating member 31 is respectively communicated with the first water mist separator 4 and the second water mist separator 7, and the refrigerating member 31, the water pump 33 and the water tank 32 are sequentially communicated. The refrigerating element 31 is used for cooling the compressed gas to liquefy water molecules in the compressed gas into condensed water, and the water tank 32 is used for storing liquid water required by heat dissipation of the refrigerating element 31; the water pump 33 is used for providing circulating power for the liquid water in the water tank 32, so as to realize heat dissipation of the refrigerating member 31.

Preferably, the cooling member 31 is a semiconductor cooling plate. The semiconductor refrigeration piece is a patch which is divided into two surfaces and can conduct heat; the semiconductor refrigeration piece absorbs heat and dissipates heat at the same side, and does not generate cold, but can effectively reduce the temperature of compressed gas, so that the refrigeration effect of the vortex tube 5 is improved, and the cryotherapy effect is further improved.

Specifically, taking a compressed gas of 25 ℃ as an example, the temperature of the directly output cold air flow can reach about-10 ℃, and when the compressed gas of lower temperature is supplied to the vortex tube 5, the output of lower temperature can be generated; in the embodiment, the temperature of the compressed gas is reduced from 25 ℃ to 12.2 ℃ after the semiconductor refrigerating sheet is added, and at the moment, the temperature of the cold airflow output by the vortex tube 5 can reach-20 ℃.

Specifically, as the air pump 1 directly sucks air for output, the dew points are a partial pressure dew point and an atmospheric dew point, and the higher the pressure is, the higher the dew point temperature is, the condensed water drops appear in the compressed air output by the air pump 1; as shown in fig. 1, in the present embodiment, a second water mist separator 7 for separating liquid water in the compressed gas is further disposed between the gas tank 2 and the condensing assembly 3, so as to prevent the liquid water from entering the condensing assembly 3, and improve the dryness of the compressed gas. Through the one-level drying process of second water smoke separator 7, added first water smoke separator 4 at the rear end of semiconductor refrigeration piece and carried out second grade drying process, still be equipped with humidity control tube 9 and carry out tertiary drying process simultaneously between first water smoke separator 4 and vortex tube 5, humidity control tube 9 can be with the gaseous state water discharge in the air, prevents the condensation phenomenon. The three-stage drying and filtering are realized by matching the first water mist separator 4, the second water mist separator 7 and the humidity control tube 9, and the compressed gas entering the vortex tube 5 is ensured to be dry compressed gas, so that the refrigerating effect of the vortex tube 5 is ensured.

In this embodiment, the humidity control tube 9 is an SMC IDK humidity control tube.

The second water mist separator 7 can separate and collect liquid water in the compressed gas, and in order to collect the condensed water and the liquid water separated by the first water mist separator 4 and the second water mist separator 7, as shown in fig. 1, a drain valve 8 is further provided in this embodiment, and the drain valve 8 is respectively communicated with the first water mist separator 4 and the second water mist separator 7, so as to discharge the separated condensed water and the liquid water.

Example 2

As shown in fig. 2, the cold air therapeutic apparatus of this embodiment includes a therapeutic apparatus body, a therapeutic handle and the refrigerating device of embodiment 1, the refrigerating device is disposed in the therapeutic apparatus body, the therapeutic handle is disposed on the therapeutic apparatus body, and the air outlet of the therapeutic handle is disposed corresponding to the cold air outlet of the vortex tube 5, so as to achieve the therapeutic purpose by spraying the cold air from the therapeutic handle of the cold air therapeutic apparatus.

Specifically, as shown in fig. 2, a first electromagnetic valve 10 for controlling the vortex tube 5 is arranged in the therapeutic apparatus body, a temperature sensor 11 for detecting the temperature of the cold air flow is arranged at the air outlet of the therapeutic handle, and the first electromagnetic valve 10 is electrically connected with the temperature sensor 11. When the cold air therapeutic apparatus of this embodiment outputs the cold air flow to treat by opening the first solenoid valve 10, the temperature sensor 11 at the outlet of the treatment handle can detect the temperature of the treatment part outputted by the cold air flow, and the treatment can give out a prompt sound when the temperature reaches the set temperature of the system for a period of time, and the output of the cold air flow for treatment is stopped by closing the first solenoid valve 10.

Specifically, as shown in fig. 2, a second electromagnetic valve 12 for controlling the air pump 1 and an air pressure sensor 13 for detecting the air pressure of the air tank 2 are arranged in the therapeutic apparatus body, and the second electromagnetic valve 12 is electrically connected with the air pressure sensor 13. This implementation detects the real-time atmospheric pressure value in the gas pitcher 2 and feeds back to second solenoid valve 12 through setting up baroceptor 13 to control the start-up or stop of air pump 1 through second solenoid valve 12 control switch circuit, thereby realize the closed-loop control of gas pitcher 2 atmospheric pressure, and then realize that the atmospheric pressure of gas pitcher 2 remains stable.

The technical solutions provided by the embodiments of the present invention are described in detail above, and specific examples are applied herein to explain the principles and embodiments of the present invention, and the descriptions of the embodiments above are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.

Claims

1. The refrigerating device is characterized by comprising an air pump (1) for providing compressed air, an air tank (2) for storing the compressed air, a condensing assembly (3) for condensing the compressed air to obtain condensed water and dry compressed air, a first water mist separator (4) for separating the condensed water to obtain the dry compressed air and a vortex tube (5) for receiving the dry compressed air and forming cold airflow, wherein the air pump (1), the air tank (2), the condensing assembly (3), the first water mist separator (4) and the vortex tube (5) are sequentially arranged.

2. A cold appliance according to claim 1, wherein a wind cooler (6) for cooling the compressed gas is further arranged between the gas pump (1) and the gas tank (2).

3. A cold appliance according to claim 2, wherein a second water mist separator (7) is arranged between the gas tank (2) and the condensation unit (3) for separating liquid water from the compressed gas.

4. A cold appliance according to claim 3, further comprising a drain valve (8), the drain valve (8) being in communication with the first mist separator (4) and the second mist separator (7), respectively.

5. A cold appliance according to claim 3, wherein the condensation assembly (3) comprises a cooling member (31), a water tank (32) and a water pump (33), the cooling member (31) being in communication with the first mist separator (4) and the second mist separator (7), respectively, the cooling member (31), the water pump (33) and the water tank (32) being in communication in sequence.

6. A cold appliance according to claim 5, wherein the cold member (31) is a semiconductor cold plate.

7. A cold appliance according to claim 1, wherein a humidity control pipe (9) is further arranged between the first water mist separator (4) and the vortex tube (5).

8. A cold air therapeutic apparatus is characterized by comprising a therapeutic apparatus body, a therapeutic handle and a refrigerating device according to any one of claims 1 to 7, wherein the refrigerating device is arranged in the therapeutic apparatus body, the therapeutic handle is arranged on the therapeutic apparatus body, and an air outlet of the therapeutic handle is arranged corresponding to a cold air outlet of a vortex tube (5).

9. The cold air therapeutic apparatus according to claim 8, wherein a first electromagnetic valve (10) for controlling the vortex tube (5) is arranged in the therapeutic apparatus body, a temperature sensor (11) for detecting the temperature of the cold air flow is arranged at the air outlet of the therapeutic handle, and the first electromagnetic valve (10) is electrically connected with the temperature sensor (11).

10. The cold air therapeutic apparatus according to claim 8, wherein a second electromagnetic valve (12) for controlling the air pump (1) and an air pressure sensor (13) for detecting the air pressure of the air tank (2) are arranged in the therapeutic apparatus body, and the second electromagnetic valve (12) is electrically connected with the air pressure sensor (13).