CN217604417U

CN217604417U - Replaceable refrigerating device and body surface refrigerating equipment

Info

Publication number: CN217604417U
Application number: CN202220385324.1U
Authority: CN
Inventors: 刘海元
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-10-18
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to the field of medical equipment, specifically provide a removable formula refrigerating plant, including removable cold module, refrigeration module, control module and water tank (10) of storing up, removable cold module liftoff installation of storing up in the water tank, with can with the heat exchange takes place for the refrigerant in water tank (10), the refrigeration module with water tank (10) are connected, with can be right the refrigerant in water tank (10) refrigerates, control module with the refrigeration module electricity is connected to the operating condition that can control the refrigeration module. The utility model discloses a technical scheme solve the not enough problem of refrigerating plant refrigerating capacity of portable removal. The utility model also provides a body surface refrigeration plant.

Description

Replaceable refrigerating device and body surface refrigerating equipment

Technical Field

The utility model relates to a medical instrument specifically, relates to a removable formula refrigerating plant. Furthermore, the utility model discloses still relate to a body surface refrigeration plant.

Background

At present, tumors are one of the main diseases harmful to human health, and the main methods for treating the diseases comprise operations, chemotherapy, radiotherapy and the like, wherein although chemotherapy can achieve a good treatment effect, toxic and side effects such as vomiting, alopecia and the like are usually generated after tumor chemotherapy.

The reason for chemotherapy alopecia is alopecia due to the damage of hair-growing tissues of the skin of the head by the chemotherapy drugs that reach the head along with the blood circulation. When a patient is in chemotherapy, the temperature of the scalp is generally reduced by a cooling cap worn on the head, so that the metabolic state speed of hair follicle tissues of the scalp is reduced, and the damage of chemotherapy drugs to the hair follicle tissues is reduced.

Existing cooling caps generally use a refrigeration device to perform refrigeration. Because the blood flow of the scalp is large, in order to rapidly reduce the temperature of the scalp, a refrigeration device needs to have a certain refrigeration capacity, for this reason, the refrigeration device used by the existing cooling cap is generally a compressor refrigeration device, and the compressor not only has large weight and is inconvenient to carry, but also has large vibration and affects the rest of the patient. The semiconductor refrigeration module is used for refrigerating, the refrigerating capacity cannot meet the requirement often due to the influence of the refrigerating power of the semiconductor refrigeration chip, the refrigerating speed is low, and the scalp temperature cannot be reduced to the required temperature quickly, so that the clinical requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a removable formula refrigerating plant is provided, this removable formula refrigerating plant refrigeration speed is fast, convenient to carry.

The utility model discloses the technical problem that further will solve provides a body surface refrigeration plant, and this body surface refrigeration plant refrigeration speed is fast, convenient to carry.

In order to realize the above object, the utility model discloses an aspect provides a removable formula refrigerating plant, including removable cold module, refrigeration module, control module and water tank that stores up, removable cold module liftoff installation that stores up in the water tank, with can with the heat exchange takes place for the refrigerant in the water tank, refrigeration module with the water tank is connected, in order to can be right refrigerant in the water tank refrigerates, control module with the refrigeration module electricity is connected to can control refrigeration module's operating condition.

Preferably, the refrigeration module is a semiconductor refrigeration module, the semiconductor refrigeration module comprises a semiconductor refrigeration piece, a cold end cooling fin and a hot end cooling device, the cold end cooling fin and the hot end cooling device are respectively in contact with the cold end and the hot end of the semiconductor refrigeration piece, and the cold end cooling fin is arranged in the water tank.

Preferably, the control module comprises a control circuit board and a temperature sensor, and the control circuit board is electrically connected with the refrigeration module and the temperature sensor so as to control the working state of the refrigeration module according to the temperature information detected by the temperature sensor.

Further preferably, the control module further comprises a touch display screen, and the touch display screen is electrically connected with the control circuit board so as to be capable of setting control information of the refrigeration module and/or displaying the working state of the refrigeration module.

Preferably, the replaceable cold storage module is a replaceable phase-change cold storage device, and a phase-change refrigerant is arranged in the phase-change cold storage device.

Further preferably, the water tank further comprises a water tank cover, wherein an adding opening is formed in the water tank cover, and the phase change cold storage device can detachably penetrate through the adding opening and is placed on the tray.

The utility model discloses the second aspect provides a body surface refrigeration plant, including body surface heat sink, inlet tube, outlet pipe, water pump and the utility model discloses the removable formula refrigerating plant that the first aspect provided, be provided with the coolant liquid way in the body surface heat sink, the coolant liquid way with inlet tube and outlet pipe are connected, just inlet tube and outlet pipe respectively with the water tank is connected, the water pump sets up on inlet tube or the outlet pipe.

Preferably, a water tank cover is arranged on the water tank, a water inlet is formed in the water tank cover, a water outlet is formed in the lower portion of the side wall of the water tank, the water outlet is connected with an inlet of the water pump, an outlet of the water pump is connected with the water inlet pipe, and the water outlet pipe is connected with the water inlet.

Preferably, the control module comprises a temperature sensor, a partition plate is arranged in the water tank, a water outlet cavity is formed between the partition plate and one side of the water tank, and the water outlet and the temperature sensor are arranged in the water outlet cavity.

Preferably, the body surface cooling device is a refrigeration cap.

Through the technical scheme, the beneficial effects of the utility model are as follows:

the utility model discloses a removable formula refrigerating plant, collection stores up cold and refrigeration function as an organic whole, and wherein store up cold module and removable formula refrigerating plant separable, can quick replacement to store up cold module and place in the water tank, carry out the heat exchange with the refrigerant in the water tank, reduce the temperature of the refrigerant in the water tank, superpose mutually with the cooling effect of the refrigerant of refrigeration module in to the water tank, can carry out quick refrigeration to the refrigerant in the water tank, effectively improved refrigeration speed, guaranteed the refrigeration effect. The cold storage module is added for auxiliary refrigeration, so that the refrigeration module with lower refrigeration power can be used, the weight of the refrigeration module is reduced, and the refrigeration device is convenient to carry. The utility model discloses a removable formula refrigerating plant has solved the not enough problem of refrigerating output that portable refrigerating plant refrigeration power is not enough aroused, can guarantee refrigerating plant's refrigeration effect when guaranteeing the portability.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

Fig. 1 is a schematic view of the overall structure of the body surface refrigeration device of the present invention;

FIG. 2 is a partial structure view of the replaceable refrigerating device in the body surface refrigerating apparatus of the present invention;

fig. 3 is a sectional view of the water tank of the replaceable refrigerating device of the present invention.

Description of the reference numerals

1. Shell 2 bottom plate

3. Body surface cooling device 4 water inlet pipe

5. Water pump of water outlet pipe 6

7. Battery pack 10 water tank

11. Water inlet of water tank cover 12

13. Water outlet cavity of water outlet 14

15. Baffle 16 addition port

20. Phase change cold storage device 21 tray

30. Semiconductor refrigeration module 31 semiconductor refrigeration piece

32. Heat sink 33 hot end heat sink

40. Control circuit board 41 touch display screen

42. Temperature sensor

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted" and "disposed" are to be interpreted broadly, for example, the connection may be a direct connection, an indirect connection via an intermediate medium, a fixed connection, a detachable connection, or an integral connection; either directly or indirectly through intervening connectors, either internally or in any combination of the two or more elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, unless otherwise specified, the terms "upper", "lower", "side", "bottom", and the like, are used to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to 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; for the orientation terms of the present invention, it should be understood in conjunction with the actual installation state.

As shown in fig. 1-3, an embodiment of the replaceable refrigerating device of the present invention comprises a replaceable cold storage module, a refrigerating module, a control module, a water tank 10, a housing 1 and a bottom plate 2. The water tank 10 is installed on the bottom plate 2, the replaceable cold storage module can be detachably installed in the water tank 10, before the replaceable refrigerating device is used, the replaceable cold storage module can be detached from the water tank 10 and is arranged in an external refrigerating device for refrigeration, so that a large amount of cold energy is absorbed in the replaceable cold storage module; when the replaceable cold storage module is used, the replaceable cold storage module is installed in the water tank 10, so that the replaceable cold storage module is in contact with the refrigerant in the water tank 10, and the replaceable cold storage module can exchange heat with the refrigerant in the water tank 10 to refrigerate the refrigerant. The replaceable cold storage module can be replaced when necessary to continuously cool the refrigerant in the water tank 10. The refrigeration module may be mounted on the base plate 2 and connected to the water tank 10 to enable refrigeration of the refrigerant in the water tank 10 by the refrigeration module. The refrigeration module can be selected for use any type of refrigeration device or module with smaller volume and weight, and can also be improved on the basis of the existing refrigeration device or module, so that the refrigeration module is more suitable for the requirements of the replaceable refrigeration device. The refrigeration module generally uses a semiconductor refrigeration module, but is not limited to the semiconductor refrigeration module, and a compressor refrigeration module with low power can be selected. The refrigerant inside the tank 10 is typically water, but is not limited to water, and may be other refrigerants such as brine, propylene glycol, ethylene glycol, and the like. The control module is connected with the refrigeration module and used for controlling the working state of the refrigeration module, so that the refrigeration module works according to the actual requirement of the replaceable refrigeration device. The shell 1 is arranged on the bottom plate 2, the replaceable cold storage module, the refrigeration module, the control module and the water tank 10 are all accommodated in a space formed by the shell 1 and the bottom plate 2, and an opening for the replaceable cold storage module to pass through is arranged on the upper surface of the shell 1 and right faces the water tank 10. The utility model discloses a removable formula refrigerating plant is owing to can use removable cold storage module and the refrigeration module to refrigerate to the refrigerant in the water tank 10 simultaneously, therefore can refrigerate fast to the refrigerant in the water tank under the less condition of refrigeration power of refrigeration module, especially at the initial working phase of refrigerating plant, when needing to cool down the refrigerant fast. Under the condition that the current external household high-power refrigerating device is popularized, the replaceable cold storage module can be conveniently frozen and stored. Compare in traditional refrigerating plant, under the requirement of guaranteeing the same refrigeration effect, the utility model discloses a removable formula refrigerating plant is littleer to the refrigeration power of refrigeration module, therefore can reduce refrigerating plant's volume and weight, improves refrigerating plant's portability. Particularly, when the semiconductor refrigeration module with smaller refrigeration power can be used, the volume and the weight of the refrigeration device can be better reduced, the carrying is more convenient, and meanwhile, the effect of quick refrigeration can be realized.

In some embodiments of the replaceable refrigeration device of the present invention, as shown in fig. 1-3, the refrigeration module uses a semiconductor refrigeration module 30, and the semiconductor refrigeration module 30 includes a semiconductor refrigeration sheet 31, a cold end heat sink 32, and a hot end heat sink 33. When the semiconductor refrigerating sheet 31 is powered on to work, the cold end of the semiconductor refrigerating sheet 31 absorbs heat to reduce the temperature, and the hot end emits heat to increase the temperature. The cold-end radiating fins 32 and the hot-end radiating devices 33 are respectively contacted with the cold ends and the hot ends of the semiconductor refrigerating chips 31, so that cold energy generated by the cold ends of the semiconductor refrigerating chips 31 can be transmitted to the cold-end radiating fins 32 to refrigerate the refrigerant, and heat energy generated by the hot ends of the semiconductor refrigerating chips 31 is transmitted to the hot-end radiating devices 33 to be radiated. The cold end heat sink 32 generally includes a base plate and fins disposed on the base plate and is capable of being mounted on a wall portion of the water tank 10 via the base plate, the wall portion of the water tank 10 is provided with a mounting opening through which the heat sink fins of the cold end heat sink 32 are mounted in the water tank 10, and the base plate of the cold end heat sink 32 is located outside the water tank 10. A sealing ring may be further disposed between the base plate of the cold end heat sink 32 and the wall of the water tank 10 to form a seal between the base plate and the wall of the water tank 10, so as to prevent the refrigerant in the water tank 10 from leaking. The base plate of cold junction fin 32 pastes the cold junction of tight semiconductor refrigeration piece 31 to can absorb the cold energy of semiconductor refrigeration piece 31 cold junction better, the fin of cold junction fin 32 soaks in the refrigerant in water tank 10, can transmit the cold energy for the refrigerant better, cools down to the refrigerant. The hot end heat dissipation device 33 is arranged on the bottom plate 2 and is in contact with the hot end of the semiconductor refrigeration chip 31 so as to dissipate heat generated by the hot end of the semiconductor refrigeration chip 31, thereby reducing the temperature difference between the cold end and the hot end of the semiconductor refrigeration chip 31, ensuring the normal work of the semiconductor refrigeration chip 31 and improving the refrigeration efficiency of the semiconductor refrigeration chip 31. The hot-side heat sink 33 may be any of various conventional air-cooled and water-cooled heat sinks, and may further include a heat-dissipating fan to enhance the heat-dissipating effect of the hot-side heat sink. The utility model discloses a removable formula refrigerating plant works under the drive of power, and the power can use external commercial power, also can use built-in group battery 7 to supply power. The battery pack 7 is usually a rechargeable battery that can be repeatedly charged, and the battery pack 7 may be directly fixed to the base plate 2 or may be fixed to the base plate 2 by a mounting structure, and the battery pack 7 can be charged by commercial power when necessary. The use of the battery pack 7 further improves the convenience of the use of the replaceable refrigerating device.

In some embodiments of the replaceable refrigeration unit of the present invention, as shown in fig. 1-3, the control module includes a control circuit board 40 and a temperature sensor 42. The control circuit board 40 is arranged on the bottom plate 2, the temperature sensor 42 is fixedly connected with the water tank 10, and particularly, when the heat conductivity of the tank body of the water tank 10 is good, the temperature sensor 42 can be fixed on the outer side of the tank body of the water tank 10 and is in close contact with the tank body, so that the temperature of the refrigerating liquid in the tank body is detected; or a detection port is arranged on the tank body of the water tank 10, and the temperature sensor 42 is arranged in the water tank 10 through the detection port; the temperature sensor 42 may also be mounted directly on other structures provided within the tank 10. The temperature sensor 42 is electrically connected to the control circuit board 40 through a signal line, and the control circuit board 40 is electrically connected to the refrigeration module. The control circuit board can control the working state of the refrigeration module according to the temperature information detected by the temperature sensor, for example, the control circuit board can be provided with the set refrigeration temperature of the refrigeration module, and when the temperature difference between the temperature of the refrigerant in the water tank 10 and the set refrigeration temperature is large, the refrigeration module is controlled to work at a large refrigeration power; when the temperature difference between the refrigerant temperature in the water tank 10 and the set refrigeration temperature is small, controlling the refrigeration module to work with small refrigeration power; and when the temperature of the refrigerant in the water tank 10 reaches the set refrigeration temperature, the refrigeration module is controlled to stop working.

As a specific embodiment of the replaceable refrigerating device of the present invention, as shown in fig. 1, the control module further includes a touch display screen 41. The touch display screen 41 is generally disposed on the housing 1 and electrically connected to the control circuit board 40. The control information stored in the control circuit board 40, such as setting the refrigeration temperature, different working parameters of the refrigeration module, and control parameters for adjusting the working parameters of the refrigeration module, can be set by touching the display screen 41. Through the touch display screen 41, control information stored in the control circuit board 40, and the working state of the refrigeration module, such as the set refrigeration temperature, the current temperature of the refrigerant in the water tank 10, the working voltage and current of the refrigeration module, may also be displayed.

In some embodiments of the replaceable refrigeration device of the present invention, as shown in fig. 1-2, the replaceable cold storage module is a phase change cold storage device 20. The phase-change cold storage device 20 is a device for storing cold through a phase-change scheme of a cold storage medium, a large amount of phase-change cold storage medium is stored in the phase-change cold storage device 20, the phase-change cold storage medium can be various substances with large heat capacities and capable of performing phase change near a set refrigeration temperature, for example, the most commonly used phase-change cold storage medium is water. When the phase change cold storage device 20 is placed in an external refrigeration device for refrigeration, the phase change refrigerant in the phase change cold storage device 20 changes phase and releases a large amount of heat. For example, water as a phase-change refrigerant changes from water in a liquid phase to ice in a solid phase, and a large amount of heat is released to store cold energy. When the phase change cold storage device 20 is installed in the water tank 10, the phase change refrigerant in the phase change cold storage device 20 changes phase, absorbs a large amount of heat in the refrigerant in the water tank 10, and cools the refrigerant quickly. For example, water as the phase-change refrigerant changes from solid-phase ice to liquid-phase water, and absorbs a great amount of heat in the refrigerant in the water tank 10, so that the refrigerant is cooled rapidly.

As a specific embodiment of the replaceable refrigerating apparatus of the present invention, as shown in fig. 1 and fig. 2, a tank cover 11 is provided on a water tank 10, and the tank cover 11 is installed at an opening portion of the water tank 10 to seal a refrigerant in the water tank 10, thereby preventing the refrigerant in the water tank 10 from flowing out. An addition port 16 is provided at the tank cap 11, and a tray 21 is provided at the inner side of the tank cap 11, and when the tank cap 11 is mounted on the tank 10, the tray 21 is positioned at the bottom of the tank 10. The phase-change cold storage device 20 can be placed on the tray 21 through the adding port 16, and a seal can be formed between the phase-change cold storage device 20 and the adding port 16; the phase change heat storage device 20 can be taken out from the addition port 16 and placed in an external refrigeration device for refrigeration as needed.

As shown in fig. 1-3, an embodiment of the body surface refrigeration equipment of the present invention comprises a body surface cooling device 3, a water inlet pipe 4, a water outlet pipe 5, a water pump 6 and the present invention discloses a replaceable refrigeration device of any embodiment. The body surface cooling device 3 is a device fixed at a certain position of a human body and used for cooling the body surface, such as a refrigeration cap, a refrigeration blanket, a refrigeration glove or a refrigeration rubber sleeve and the like. Be provided with the coolant liquid way in body surface heat sink 3's inside, when wearing body surface heat sink 3 at human particular site, the coolant liquid way can be close to the body surface. The cooling liquid path is connected between the water inlet pipe 4 and the water outlet pipe 5, the other ends of the water inlet pipe 4 and the water outlet pipe 5 are respectively connected with a water tank 10, and a water pump 6 is arranged on the water inlet pipe 4 or the water outlet pipe 5. When the water pump 6 works, the refrigerant in the water tank 10 can be driven to flow into the water inlet pipe 4, flow through the cooling liquid path in the meter lifting and cooling device 3 and flow back into the water tank 10 through the water outlet pipe 5. The refrigerant in the cooling liquid path can absorb the heat of nearby body surfaces and cool the surface of nearby human bodies, so that the body tissues of the nearby body surfaces are in a low-temperature state, the metabolism level of the body tissues is reduced, and the damage of chemotherapy medicaments to the body tissues can be reduced. Meanwhile, the refrigerant in the cooling liquid path absorbs the heat of the body surface to raise the temperature, and the raised refrigerant flows back to the water tank 10 through the water outlet pipe 5. The refrigerant in the water tank 10 is continuously cooled by the replaceable refrigerating device of the present invention, and the temperature of the refrigerant is maintained at a predetermined level.

In some embodiments of the body surface refrigerating apparatus of the present invention, as shown in fig. 1-3, a tank cover 11 is disposed on the water tank 10, a water inlet 12 is disposed on the tank cover 11, a water outlet 13 is disposed on the lower portion of the side wall of the water tank 10, and the water inlet 12 and the water outlet 13 are disposed on two sides of the replaceable cold storage module. The water outlet 13 is connected with an inlet of the water pump 6, an outlet of the water pump 6 is connected with the water inlet pipe 4, the water outlet pipe 5 is connected with the water inlet 12, the refrigerant in the water tank 10 flows out from the water outlet 13 at the bottom under the driving of the water pump 6 and flows in from the water inlet 12 on the water tank cover 11, a refrigerant flowing path from the water inlet 12, the cold end radiating fins 32 of the refrigeration module and the replaceable cold storage module to the water outlet 13 is formed inside the water tank 10, and the heat exchange effect between the refrigerant and the cold end radiating fins 32 of the refrigeration module and the replaceable cold storage module is improved. The arrangement of the water outlet 13 and the water inlet 12 also facilitates the connection between the water inlet pipe 4 and the water outlet pipe 5 and the water tank 10.

In some embodiments of the body surface refrigerating apparatus of the present invention, as shown in fig. 3, a partition 15 is disposed on one side inside the water tank 10, and a water outlet cavity 14 is formed between the partition 15 and the side wall on one side of the water tank 10. The control module is provided with a temperature sensor 42, the temperature sensor 42 and the water outlet 13 are both arranged in the water outlet cavity 14, wherein the temperature sensor 42 is arranged at the opening part of the water outlet cavity 14, the water outlet 13 is arranged at the bottom of the water outlet cavity 14, when the refrigerant in the water tank 10 flows out from the water outlet 13 under the action of the water pump 6, the refrigerant flows through the temperature sensor 42, so that the temperature sensor 42 can accurately collect the temperature of the flowing refrigerant, and the control on the temperature of the refrigerant flowing into the body surface temperature reducing device 3 is more accurate.

As a specific embodiment of the body surface refrigeration device of the present invention, as shown in fig. 1, the body surface cooling device 3 is a refrigeration cap. The refrigeration cap is only used as the shape of a cap, the cooling liquid path is arranged in the refrigeration cap, when the refrigeration cap is worn on the head of a patient, the cooling liquid path is close to the scalp of the patient, and the scalp of the patient is cooled by the refrigerant flowing in the cooling liquid path, so that the damage of chemotherapy drugs to the hair follicle tissues of the scalp is reduced, and the alopecia caused by chemotherapy is prevented.

Reference throughout this specification to "one embodiment," "some embodiments," "a particular implementation," or "embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. In this specification, the schematic representations thereof do not necessarily have to be directed to the same embodiment.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A replaceable refrigerating device is characterized by comprising a replaceable cold storage module, a refrigerating module, a control module and a water tank (10), wherein the replaceable cold storage module is detachably installed in the water tank (10) to exchange heat with refrigerant in the water tank (10), the refrigerating module is connected with the water tank (10) to refrigerate the refrigerant in the water tank (10), and the control module is electrically connected with the refrigerating module to control the working state of the refrigerating module.

2. The replaceable refrigeration device according to claim 1, wherein the refrigeration module is a semiconductor refrigeration module (30), the semiconductor refrigeration module (30) comprises a semiconductor refrigeration sheet (31), a cold-end heat sink (32) and a hot-end heat sink (33), the cold-end heat sink (32) and the hot-end heat sink (33) are respectively in contact with a cold end and a hot end of the semiconductor refrigeration sheet (31), and the cold-end heat sink (32) is disposed within the water tank (10).

3. The replaceable refrigerating device of claim 1, wherein the control module comprises a control circuit board (40) and a temperature sensor (42), the control circuit board (40) being electrically connected with the refrigerating module and the temperature sensor (42) to be able to control the operating state of the refrigerating module according to temperature information detected by the temperature sensor (42).

4. The replaceable refrigeration device of claim 3, wherein the control module further comprises a touch display screen (41), the touch display screen (41) being electrically connected to the control circuit board (40) to enable setting of control information of the refrigeration module and/or display of an operating state of the refrigeration module.

5. The replaceable refrigerating device according to claim 1, wherein the replaceable cold storage module is a replaceable phase-change cold storage device (20), and a phase-change refrigerant is disposed in the phase-change cold storage device (20).

6. The replaceable refrigerating device according to claim 5, wherein the water tank (10) further comprises a water tank cover (11), an adding opening (16) is formed in the water tank cover (11), and the phase-change cold storage device (20) can be detachably arranged on the tray (21) and penetrates through the adding opening (16).

7. A body surface refrigeration device, characterized by comprising a body surface cooling device (3), a water inlet pipe (4), a water outlet pipe (5), a water pump (6) and the replaceable refrigeration device according to any one of claims 1-6, wherein a cooling liquid path is arranged in the body surface cooling device (3), the cooling liquid path is connected with the water inlet pipe (4) and the water outlet pipe (5), the water inlet pipe (4) and the water outlet pipe (5) are respectively connected with the water tank (10), and the water pump (6) is arranged on the water inlet pipe (4) or the water outlet pipe (5).

8. A body surface refrigerating device according to claim 7, characterized in that a water tank cover (11) is arranged on the water tank (10), a water inlet (12) is arranged on the water tank cover (11), a water outlet (13) is arranged at the lower part of the side wall of the water tank (10), the water outlet (13) is connected with the inlet of the water pump (6), the outlet of the water pump (6) is connected with the water inlet pipe (4), and the water outlet pipe (5) is connected with the water inlet (12).

9. The body surface refrigerating device according to claim 8, characterized in that the control module comprises a temperature sensor (42), a partition plate (15) is arranged in the water tank (10), a water outlet cavity (14) is formed between the partition plate (15) and one side of the water tank (10), and the water outlet (13) and the temperature sensor (42) are arranged in the water outlet cavity (14).

10. Body surface cooling device according to any one of claims 7 to 9, characterized in that the body surface cooling means (3) is a cooling cap.