WO2021088967A1

WO2021088967A1 - Whole-body freezing physical therapy apparatus

Info

Publication number: WO2021088967A1
Application number: PCT/CN2020/127038
Authority: WO
Inventors: 肖家华; 苏东波
Original assignee: 山前（珠海）科技有限公司
Priority date: 2019-11-08
Filing date: 2020-11-06
Publication date: 2021-05-14
Also published as: CN110693643A

Abstract

Disclosed is a whole-body freezing physical therapy apparatus, belonging to the technical field of low-temperature freezing health care, and comprising: a low-temperature refrigerating system and a low-temperature physical therapy system, wherein a treatment cabin (7) of the low-temperature physical therapy system is a closed cabin, the whole body of a user can be placed in the cabin, and the temperature distribution in the cabin body is uniform, such that a treatment effect is optimal; and a closed-cycle low-temperature refrigerant fluid is used to replace liquid nitrogen for evaporation refrigeration, and working media are not lost and do not need to be supplemented. Moreover, a refrigerant in the cabin is air, the oxygen concentration is appropriate, and the comfort for a human body is good.

Description

Whole body cryotherapy equipment

Technical field

This application relates to the technical field of low-temperature freezing and health care, in particular to a whole-body freezing physiotherapy equipment.

Background technique

Whole body cryotherapy is a health care treatment method that uses ultra-low temperature to perform cryotherapy on the whole body of the human body. It is currently popular in European and American countries. Whole body cryotherapy can relieve pain, quickly restore physical fitness, lose weight and lose weight.

Most of the current whole body cryotherapy equipment uses liquid nitrogen to directly evaporate refrigeration. For example, a low-temperature health care warehouse disclosed in Chinese patent document CN208910795U includes a first compartment, a second compartment, a third compartment, a first outer door device, and a second compartment. Outer door device, at least two inner door devices, first window, second window, multiple atomizing devices, multiple first spray heads, multiple second spray heads, cryogenic refrigeration system, cryogenic refrigeration recovery system, Temperature sensor, humidity sensor, controller, the first cabin and the second cabin are connected by a first inner door device, the second cabin and the third cabin are connected by a second inner door device, and the first cabin is connected with the second cabin by a second inner door device. A first atomization device is arranged in a cabin. The above scheme can be equipped with low-temperature refrigerated health care spray and traditional Chinese medicine aroma spray to provide health and pleasure physical therapy to the human body. It has the characteristics of accurate and uniform temperature control in the cabin. At the same time, the cooling spray medium consumes less liquid nitrogen and saves costs.

However, the equipment adopting the above scheme needs to consume a large amount of liquid nitrogen, so the equipment needs a large-scale liquid nitrogen storage system, which covers a large area and needs to be replenished regularly. At the same time, the evaporation of liquid nitrogen will produce a higher concentration of nitrogen. There is a risk of suffocation to the user. In order to avoid suffocation to the user, in the above solution, the user’s head needs to be exposed to the air and the body is in the bin. As a whole, the temperature distribution in the upper and lower spaces of the bin is not uniform enough, and the upper space temperature is much higher than the lower part, resulting in use The treatment of the upper body is not ideal, and at the same time, the heat leakage of the whole chamber is large, the liquid nitrogen consumption is large, and the waste is more serious.

Summary of the invention

Therefore, the technical problem to be solved by this application is to overcome the low-temperature health care warehouse in the prior art. Due to the use of liquid nitrogen as a medium for refrigeration, the cabin cannot be completely closed during use, and the open space causes uneven temperature distribution in the cabin, and the treatment effect is not good. Ideal defect, thereby providing a closed whole body cryotherapy equipment.

The whole body cryotherapy equipment provided by this application includes:

The liquefaction pre-cooling system has a first liquid storage tank and a first heat exchanger, the refrigerant passage of the first heat exchanger is adapted to communicate with a first refrigeration device, and the refrigerant carrier passage of the first heat exchanger Communicate with the first liquid storage tank;

The low-temperature refrigeration system has a second liquid storage tank and a second heat exchanger, the refrigerant passage of the second heat exchanger is adapted to communicate with the second refrigeration device, and the refrigerant passage of the second heat exchanger is connected to The second liquid storage tank is in communication; the second liquid storage tank is in communication with the first liquid storage tank through a first circulation pipeline, and a circulation pump is provided on the first circulation pipeline;

The cryogenic physical therapy system has a treatment chamber and a third heat exchanger, the refrigerant passage of the third heat exchanger is connected with the second liquid storage tank, and the air passage of the third heat exchanger is connected with the treatment chamber; The treatment chamber is a closed structure.

As a preferred solution, the first heat exchanger is arranged in the first liquid storage tank, and the refrigerant passage of the first heat exchanger is connected to the first liquid storage tank through the second circulation pipeline. The medium is in communication, and the liquid inlet pipe of the second circulation pipeline is provided with a submersible pump.

As a preferred solution, the second heat exchanger is arranged in the heat insulation cavity, and the refrigerant passage of the second heat exchanger is connected in series in the liquid inlet pipe of the first circulation pipeline.

As a preferred solution, the outlet of the refrigerant passage of the third heat exchanger is in communication with the inlet pipe of the first circulation pipeline, and the outlet of the refrigerant passage of the third heat exchanger is in communication with the outlet of the refrigerant passage of the third heat exchanger. The upstream of the second heat exchanger.

As a preferred solution, the third heat exchanger is arranged in the heat exchange cavity, and the air passage of the third heat exchanger is communicated with the treatment chamber through an air circulation pipeline, and a fan is arranged on the air circulation pipeline.

As a preferred solution, a water removal and/or carbon dioxide removal device is provided upstream of the air passage of the third heat exchanger.

As a preferred solution, the air pipe connecting the inlet of the air channel of the third heat exchange cavity of the air circulation pipeline has a fresh air inlet, and a fresh air pipe is connected to the fresh air inlet.

As a preferred solution, an exhaust port is provided on the treatment chamber, and an exhaust pipe is connected to the exhaust port.

As a preferred solution, it also includes:

The heat regenerator has a first medium channel and a second medium channel that can transfer heat to each other, the first medium channel is connected to the fresh air pipe, and the second medium channel is connected to the exhaust pipe.

As a preferred solution, the air exhaust port is arranged in the lower area of the treatment chamber.

The technical solution of this application has the following advantages:

1. The whole body cryo-physiotherapy equipment provided by this application includes: low-temperature refrigeration system and low-temperature physiotherapy system; among them, the treatment chamber in the low-temperature physiotherapy system is a closed chamber, which allows the user's whole body to be placed in the chamber, and the internal temperature distribution of the chamber body Uniformity makes the treatment effect the best; the closed-cycle low-temperature refrigerator fluid is used instead of liquid nitrogen to evaporate and cool, and the working fluid is not lost and does not need to be supplemented; at the same time, the refrigerator in the warehouse is air, the oxygen concentration is appropriate, and the human body feels good .

2. The whole body cryotherapy equipment provided by this application also includes: a liquefaction pre-cooling system, through the setting of the first heat exchanger, first provides cryogenic liquid to prepare for the subsequent cryogenic refrigeration system.

3. In the whole body freezing physiotherapy equipment provided by this application, the first heat exchanger is arranged in the first liquid storage tank, and the submersible pump is arranged in the first liquid storage tank, and the submersible pump extracts the refrigerant through the second circulation pipeline Entering into the refrigerant-carrying passage of the first heat exchanger, the refrigerant of the first refrigeration equipment is connected to the refrigerating passage in the first heat exchanger. Reduce to below the working temperature and stabilize the state.

4. In the whole body freezing physical therapy equipment provided by this application, the second heat exchanger is arranged in the heat insulation cavity, which reduces the loss of cold energy when the refrigerant and the refrigerator exchange heat.

5. In the whole body freezing physiotherapy equipment provided by this application, the third heat exchanger is arranged in the heat exchange cavity to reduce heat loss, and the air circulation pipeline is provided with a fan to accelerate the circulation of air in the air circulation pipeline.

6. In the whole body cryotherapy equipment provided in this application, the water and/or carbon dioxide removal equipment removes the water and carbon dioxide in the air channel to prevent water from entering and causing frosting of various devices.

7. The whole body freezing physiotherapy equipment provided in this application has a fresh air inlet in a closed treatment chamber. When it is detected that the oxygen in the treatment chamber is insufficient, the fresh air inlet is used to supplement fresh air into the chamber.

8. The whole body freezing physiotherapy equipment provided by this application has an exhaust port to remove the air in the warehouse.

9. The whole body freezing physiotherapy equipment provided by this application also includes: a regenerator, which exchanges heat between the fresh air entering the warehouse and the low-temperature air discharged from the warehouse during fresh air replenishment. After pre-cooling the room temperature fresh air, The fresh air is mixed with the air in the cooling cycle and then enters the air circulation pipeline.

Description of the drawings

In order to more clearly illustrate the specific embodiments of this application or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the specific embodiments or the description of the prior art. Obviously, the appendix in the following description The drawings are some embodiments of the application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

Figure 1 is a structural flow chart of the application.

Description of reference signs:

1. The first liquid storage tank; 2. The first heat exchanger; 3. The first refrigeration equipment; 4. The second liquid storage tank; 5. The second heat exchanger; 6. The second refrigeration equipment; 7. The treatment chamber 8. The third heat exchanger; 9. Circulating pump; 10. Submersible pump; 11. Heat insulation cavity; 12. Fresh air duct; 13. Fan; 14. Dewatering and carbon dioxide removal equipment; 15. Exhaust pipe ; 16. Regenerator; 17, three-way valve.

Detailed ways

The technical solution of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the pointed device or element must have a specific orientation or a specific orientation. The structure and operation cannot therefore be understood as a limitation of this application. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

In the description of this application, it should be noted that the terms "installation", "connection", and "connection" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood under specific circumstances.

In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

The whole body cryotherapy equipment provided in this embodiment includes a low-temperature refrigeration system and a low-temperature physical therapy system, wherein the low-temperature physical therapy system includes a closed treatment chamber, so that the user's whole body can be placed in the chamber. The cryogenic refrigeration system is used to provide ultra-low temperature refrigerant for the cryogenic physiotherapy system to reduce the temperature in the treatment chamber.

The whole body freezing physiotherapy equipment provided in this embodiment further includes: a liquefaction pre-cooling system having a first liquid storage tank 1 and a first heat exchanger 2, where the first heat exchanger 2 is arranged in the first liquid storage tank 1 Inside, the inside of the first heat exchanger 2 has a refrigerant passage and a refrigerant passage, and the refrigerant passage of the first heat exchanger 2 communicates with the first refrigeration device 3 to form a loop to cool the refrigerant; The refrigerant passage of the heat exchanger 2 communicates with the refrigerant in the first liquid storage tank 1 through a second circulation pipeline, and the inlet of the second circulation pipeline is connected to the refrigerant provided in the first liquid storage tank 1. The internal submersible pump 10 is connected, and the submersible pump 10 enters the refrigerant carrier through the second circulation pipeline into the refrigerant carrier passage of the first heat exchanger 2 and completes heat exchange with the refrigerator, and then passes through the second circulation The pipeline enters the first liquid storage tank 1. This process causes the refrigerant to liquefy, and the preliminary pre-cooling of the refrigerant is initially completed.

As an alternative embodiment, the first refrigeration equipment may also be a Stirling refrigeration equipment, a pulse tube refrigeration equipment, etc., and the outside of the refrigerant passage in the first heat exchanger is in direct contact with the refrigeration head of the first refrigeration equipment Heat transfer.

Wherein, the refrigerant carrier adopts a fluid that is liquid in the working temperature zone, usually such fluid is a liquid under normal temperature and pressure, preferably propane. The first liquid storage tank 1 is a high-temperature liquid storage tank, and its outer layer is provided with an insulating layer to prevent the refrigerant from leaking into the environment.

After the carrier refrigerant completes the preliminary cooling in the liquefaction pre-cooling system, it enters the low-temperature refrigeration system. The low-temperature refrigeration system has a second liquid storage tank 4 and a second heat exchanger 5. The second heat exchanger 5 may be a refrigerator, The second heat exchanger 5 is arranged in the heat insulation cavity 11, and the second heat exchanger 5 has a refrigerant carrier passage and a refrigerant passage, wherein the refrigerant passage of the second heat exchanger 5 communicates with the second refrigeration equipment 6, Form a loop

The refrigerant carrier passage of the second heat exchanger 5 communicates with the bottom of the first liquid storage tank 1 through the first circulation pipeline, and at the same time, a circulation pump 9 is provided at the communication place, and the refrigerant enters the first liquid storage tank 1 through the extraction of the circulation pump 9 The inlet of a circulation pipeline enters the refrigerant carrier passage of the second heat exchanger 5 through the first circulation pipeline, exchanges heat with the refrigerant in the refrigerant passage, and enters from the upper end of the second liquid storage tank 4 The second liquid storage tank 4; the refrigerant in the second liquid storage tank 4 enters the first outlet of the three-way valve 17 through the first circulation pipe inserted into the liquid inside the second liquid storage tank 4, when the second When the temperature of the refrigerant in the liquid storage tank 4 does not meet the requirements for use, it enters the first circulation pipeline again through the second outlet of the three-way valve 17, and then enters the first liquid storage tank 1 again for cooling. To meet the requirements.

As an alternative embodiment, the second refrigeration equipment can also be a Stirling refrigeration equipment, a pulse tube refrigeration equipment, etc., and the outside of the refrigerant passage in the second heat exchanger directly contacts the refrigeration head of the second refrigeration equipment. heat.

Among them, the second liquid storage tank 4 is a low-temperature liquid storage tank, and the outer surface is provided with an insulation layer, which may be vacuum insulation or heat insulation material insulation.

When the temperature in the second liquid storage tank 4 reaches the requirement, it enters the cryogenic physiotherapy system through the third outlet of the three-way valve 17. The cryogenic physiotherapy system has a treatment chamber 7 and a third heat exchanger 8. The heat exchanger 8 is arranged in the heat exchange cavity, and the third heat exchanger 8 has an air passage and a refrigerant passage;

The inlet of the refrigerant passage of the third heat exchanger 8 is in communication with the third outlet of the three-way valve 17, and the outlet is in communication with the liquid inlet pipe of the first circulation pipeline, and is upstream of the second heat exchanger 5, that is, When the refrigerant in the third heat exchanger 8 completes heat exchange with the air in the air passage, it enters the low-temperature refrigeration system again for cooling, and prepares for the next round of cooling of the air.

The air passage of the third heat exchanger 8 communicates with the treatment chamber 7 through an air circulation pipeline. At the same time, a fan 13 is provided on the air circulation pipeline to accelerate the circulation of air in the refrigerated treatment chamber 7 and the air circulation pipeline; on the air circulation pipeline A device 14 for removing water and carbon dioxide is also provided to remove water and carbon dioxide from the air. The removal of carbon dioxide makes the oxygen content higher and removes moisture in the air to prevent moisture from entering the treatment chamber 7 and causing frost on the surface.

The air pipe that enters the air circulation pipe of the third heat exchanger 8 from the direction of the treatment chamber 7 has a fresh air inlet, which is connected with the fresh air pipe 12 in the heat exchanger, and an exhaust air is also provided under the treatment chamber 7 The exhaust port is connected with the exhaust pipe 15 in the regenerator 16.

At the same time, the treatment chamber 7 is equipped with oxygen concentration detection equipment to detect the oxygen concentration in the chamber. When the oxygen concentration is too low, start to introduce fresh air outside the chamber to replenish the oxygen in the chamber; when the fresh air is replenished, it will enter the chamber. The fresh air inside exchanges heat with the low-temperature air discharged from the warehouse. After pre-cooling the normal temperature fresh air, the fresh air is mixed with the cooling circulating air and enters the air circulation pipeline.

How to use and principle

The refrigerant carrier propane is added to the first liquid storage tank 1, after passing through the liquefaction pre-cooling system, the temperature of the propane reaches minus 30 degrees Celsius to minus 40 degrees Celsius, and then enters the low temperature refrigeration system, passing through the refrigerant with the second refrigeration equipment 6 For heat exchange, the temperature of propane reaches minus 150 degrees Celsius to minus 180 degrees Celsius, and finally enters the low temperature physiotherapy system, through the third heat exchanger 8, the temperature in the treatment chamber 7 is realized to the temperature required by the user.

Open the door of the treatment chamber 7, the user enters it, and starts to use it.

This application adopts a miniature ultra-low temperature refrigeration technology, which can obtain an ultra-low temperature cold source equivalent to liquid nitrogen, and at the same time, there is no loss of working fluid, no need to supplement, and simple operation.

At the same time, the treatment chamber 7 adopts a closed treatment chamber 7, and is equipped with oxygen concentration monitoring and fresh air replenishment system, which makes the temperature in the treatment chamber 7 uniform and ensures the safety of users.

Obviously, the above-mentioned embodiments are merely examples for clear description, and are not intended to limit the implementation manners. For those of ordinary skill in the art, other changes or modifications in different forms can be made on the basis of the above description. It is unnecessary and impossible to list all the implementation methods here. The obvious changes or changes derived from this are still within the protection scope of this application.

Claims

The whole body cryotherapy equipment is characterized in that it includes:

The low-temperature refrigeration system has a second liquid storage tank (4) and a second heat exchanger (5), and a refrigerant passage of the second heat exchanger (5) is in communication with the second liquid storage tank (4) , The outside of the refrigerant passage of the second heat exchanger (5) is suitable for connecting with the second refrigeration equipment (6); the second liquid storage tank (4) circulates through the first circulation pipeline, and the first circulation There is a circulating pump (9) on the pipeline;

The cryogenic physiotherapy system has a treatment chamber (7) and a third heat exchanger (8). The refrigerant channel of the third heat exchanger (8) communicates with the second liquid storage tank (4), and the third heat exchanger (8) communicates with the second liquid storage tank (4). The air passage of the heat exchanger (8) communicates with the treatment chamber (7); the treatment chamber (7) is a closed structure.
The whole body freezing physiotherapy equipment according to claim 1, further comprising: a liquefaction pre-cooling system having a first liquid storage tank (1) and a first heat exchanger (2), the first heat exchanger The refrigerant carrier channel of the first heat exchanger is in communication with the first liquid storage tank, and the outside of the refrigerant carrier channel of the first heat exchanger is adapted to communicate with or contact the first refrigeration equipment.
The whole body freezing physiotherapy equipment according to claim 2, characterized in that the first heat exchanger (2) is arranged in the first liquid storage tank (1), and the first heat exchanger (2) The refrigerant passage of the second circulation pipeline is communicated with the medium in the first liquid storage tank (1) through a second circulation pipeline, and a submersible pump (10) is arranged on the liquid inlet pipe of the second circulation pipeline.
The whole body freezing physiotherapy equipment according to claim 1, characterized in that the second heat exchanger (5) is arranged in the heat insulation cavity (11), and the second heat exchanger (5) carries cold The agent channel is connected in series in the liquid inlet pipe of the first circulation pipeline.
The whole body cryotherapy equipment according to claim 4, characterized in that the outlet of the refrigerant channel of the third heat exchanger (8) is in communication with the liquid inlet pipe of the first circulation pipeline, and the The outlet of the refrigerant channel of the third heat exchanger (8) is connected to the upstream of the second heat exchanger (5).
The whole body cryotherapy equipment according to claim 1, characterized in that the third heat exchanger (8) is arranged in the heat exchange cavity, and the air passage of the third heat exchanger (8) passes through the air circulation pipe The path is communicated with the treatment chamber (7), and a fan (13) is arranged on the air circulation pipeline.
The whole body freezing physiotherapy device according to claim 6, characterized in that a water removal and/or carbon dioxide removal device is provided upstream of the air passage of the third heat exchanger (8).
The whole body freezing physiotherapy device according to claim 6, wherein the air pipe of the air circulation pipeline connected to the inlet of the air channel of the third heat exchange cavity has a fresh air inlet, and fresh air is connected to the fresh air inlet. Tube (12).
The whole body freezing physiotherapy equipment according to claim 8, characterized in that an exhaust port is provided in the lower area of the treatment chamber (7), and an exhaust pipe (15) is connected to the exhaust port.
The whole body cryotherapy device according to claim 9, characterized in that it further comprises:

The heat regenerator (16) has a first medium channel and a second medium channel that can transfer heat to each other, the first medium channel is connected to the fresh air pipe (12), and the second medium channel is connected to the exhaust air Tube (15).