CN114099124A - A kind of body surface blood vessel cooling device and using method - Google Patents
A kind of body surface blood vessel cooling device and using method Download PDFInfo
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- CN114099124A CN114099124A CN202111476352.0A CN202111476352A CN114099124A CN 114099124 A CN114099124 A CN 114099124A CN 202111476352 A CN202111476352 A CN 202111476352A CN 114099124 A CN114099124 A CN 114099124A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0086—Heating or cooling appliances for medical or therapeutic treatment of the human body with a thermostat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0095—Heating or cooling appliances for medical or therapeutic treatment of the human body with a temperature indicator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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Abstract
本发明涉及医疗器械装置技术领域，特别是涉及一种体表血管降温仪及使用方法，包括：肢体穿戴套、半导体相变降温单元、数字控温单元、测温探头A、保温层以及电源装置；其中，相变降温单元与数字控温单元连接，所述数字温控单元设于所述肢体穿戴套上；肢体穿戴套上设有保温层，所述相变降温单元嵌入在保温层内；数字控温单元通过导线与测温探头A连接，所述测温探头A贴附在体表上；电源装置分别与半导体相变降温单元和数字控温单元电性连接，且所述电源装置设于肢体穿戴套外，电源装置输入端接入交流电或直流电。本发明可以准确可靠地控制温度以及控制复温过程，并且相变控温片具有柔性，其贴附性能好，可以完全贴合在人体表面皮肤。
The present invention relates to the technical field of medical devices, in particular to a body surface blood vessel cooling instrument and a method of use, comprising: a limb wearing sleeve, a semiconductor phase change cooling unit, a digital temperature control unit, a temperature measuring probe A, a thermal insulation layer and a power supply device wherein, the phase change cooling unit is connected with a digital temperature control unit, and the digital temperature control unit is arranged on the limb wearing cover; the limb wearing cover is provided with a thermal insulation layer, and the phase change cooling unit is embedded in the thermal insulation layer; The digital temperature control unit is connected with the temperature measurement probe A through a wire, and the temperature measurement probe A is attached to the body surface; the power supply device is respectively electrically connected with the semiconductor phase change cooling unit and the digital temperature control unit, and the power supply device is set. Outside the body wear cover, the input end of the power supply device is connected to alternating current or direct current. The invention can accurately and reliably control the temperature and the rewarming process, and the phase-change temperature control sheet has flexibility and good adhesion performance, and can be completely fitted on the human body surface skin.
Description
Technical Field
The invention relates to the technical field of medical apparatus and instruments, in particular to a body surface blood vessel cooling instrument and a using method thereof.
Background
The current temperature control method comprises the following steps: controlling the temperature of the body surface and the blood vessel. The traditional body surface temperature control method comprises alcohol bath, an ice bag, an ice cap, an ice blanket, an air conditioner, a water bath and the like, and has low temperature control efficiency, so that the satisfactory target temperature is difficult to achieve and maintain, and complications such as cold tremor, frostbite and the like are easy to occur. At present, the body surface temperature control method such as a temperature control vest or an ArcticSun temperature management system which is commonly applied to TTM at home and abroad has the advantages of good skin bonding degree and higher temperature control efficiency than the method, but still needs longer time to reach the target temperature; and the volume is relatively large, and the use is inconvenient. Temperature control in the blood vessel, and the placement of a heat exchanger in the blood vessel belong to invasive operation; the heat conductivity of the body surface cooling mode of the cooling blanket is low, when the temperature needs to be adjusted in an express way, the cooling effect cannot be achieved in time, the cooling blanket can only achieve one-way cooling, and the temperature cannot be restored and controlled after being reduced to be lower than the standard temperature, so that harm can be caused to a user; secondly, the current temperature control method cannot control the temperature of a certain part, and cannot be worn, so that the overall cooling effect is poor, and the possibility of rewarming is easy to occur;
in summary, most of the existing body surface temperature control methods have low temperature control efficiency, poor temperature control effect and high rewarming possibility, and a noninvasive and efficient temperature control instrument is to be developed to meet the requirement of target temperature management.
Disclosure of Invention
The invention aims to provide a body surface blood vessel cooling instrument and a using method thereof, and aims to solve the problems that the existing cooling method proposed in the background art is complicated in operation, has great difficulty in maintaining and controlling the target temperature, and generally has a large temperature fluctuation range.
The technical scheme adopted by the invention for realizing the purpose is as follows: a body surface blood vessel cooling instrument, comprising: the limb wearing sleeve, the semiconductor phase change cooling unit, the digital temperature control unit, the temperature measuring probe A, the heat preservation layer and the power supply device;
the phase change cooling unit is connected with the digital temperature control unit, and the digital temperature control unit is arranged on the limb wearing sleeve;
the limb wearing sleeve is provided with a heat preservation layer, and the phase change cooling unit is embedded in the heat preservation layer;
the digital temperature control unit is connected with a temperature measuring probe A through a wire, and the temperature measuring probe A is attached to the body surface;
the power supply device is electrically connected with the semiconductor phase-change cooling unit and the digital temperature control unit respectively, the power supply device is arranged outside the limb wearing sleeve, and the input end of the power supply device is connected with alternating current or direct current;
the digital temperature control unit comprises: the display screen and the micro-control computer are connected with each other; the display screen 6 is arranged on the limb wearing sleeve 1, and the micro-control computer is respectively connected with the temperature measuring probe A4 and the temperature measuring probe B12 and is arranged in the limb wearing sleeve 1.
The semiconductor phase change cooling unit comprises: the device comprises a device shell, a phase change temperature control sheet, a semiconductor refrigeration sheet, heat conduction fins, a heat dissipation fan and a temperature measurement probe B;
the device shell is arranged on the heat-insulating layer; the upper part of the semiconductor refrigeration piece is clamped in the device shell, the lower part of the semiconductor refrigeration piece penetrates through the heat insulation layer, the top surface of the semiconductor refrigeration piece is connected with the bottom surface of the heat conduction fin, and the heat conduction fin is arranged in the device shell; the top surface of the heat-conducting fin is provided with a heat-radiating fan, and the top surface of the device shell is provided with a through hole for the heat-radiating fan to discharge heat;
a phase change temperature control sheet is arranged below the heat preservation layer, the lower part of the semiconductor refrigeration sheet is covered by the phase change temperature control sheet, a temperature measurement probe B is arranged on the lower part of the semiconductor refrigeration sheet, and the temperature measurement probe B is connected with a digital temperature control unit;
the semiconductor phase-change cooling device is provided with a plurality of semiconductor phase-change cooling devices which are arranged on the heat-insulating layer in an array mode.
Semiconductor phase transition cooling unit includes: the temperature control water tank, the heat dissipation water box, the water supply pipe, the water outlet pipe and the semiconductor refrigeration sheet;
the temperature control water tank is connected with the radiating water box through a water supply pipe and a water outlet pipe respectively;
the phase-change temperature control sheet is attached to the lower part of the heat insulation layer, the phase-change temperature control sheet and the heat insulation layer form a temperature control structure, the bottom surface of the semiconductor refrigeration sheet is embedded into the temperature control structure and exposed out of the heat insulation layer, and the top surface of the semiconductor refrigeration sheet is abutted with the lower wall of the heat dissipation water box;
the lower wall of the heat-dissipation water box is made of heat-conducting materials; and a temperature probe B is arranged at the bottom in the phase change temperature control sheet and is arranged right below the semiconductor refrigeration sheet, and the temperature probe B is connected with the digital temperature control unit.
The heat conduction material is any one of a heat conduction gasket, a copper sheet and a graphene sheet.
The phase-change temperature control sheet is prepared from sodium polyacrylate, carboxymethyl cellulose, expanded graphite and calcium chloride hexahydrate in a weight ratio of 4: 3: 1: 12, and stirring for 6 hours at 80 ℃.
A square hole is formed in the center of the limb wearing sleeve, and the heat insulation layer is connected with the edge of the square hole of the limb wearing sleeve (1) in a sewing mode and keeps sealed;
the heat-insulating layer is a nano-scale gel felt;
the limb wearing sleeve is of a rectangular structure, the inner side surface of the short edge on one side is provided with a sticking round hair surface, and the outer side surface of the short edge on the other side is provided with a sticking thorn hair surface;
the limb wearing sleeve is formed by splicing or laminating multiple layers, and each layer is one of silica gel, polyethylene or polyurethane.
The digital temperature control unit comprises a display screen and a micro-control computer which are connected with each other; the display screen is arranged on the limb wearing sleeve, and the micro-control computer is respectively connected with the temperature measuring probe A and the temperature measuring probe B and is arranged in the limb wearing sleeve.
A body surface vessel cooling instrument, comprising: the limb wearing sleeve, the cooling unit, the digital temperature control unit, the temperature measuring probe A, the heat preservation layer and the power supply device;
the temperature reduction unit is connected with the digital temperature control unit, and the digital temperature control unit is arranged on the temperature reduction unit;
the limb wearing sleeve is provided with a heat insulation layer;
the digital temperature control unit is connected with a temperature measuring probe A through a wire, and the temperature measuring probe A is attached to the body surface;
the power supply device is electrically connected with the cooling unit and the digital temperature control unit respectively, the power supply device is arranged outside the limb wearing sleeve, and the input end of the power supply device is connected with alternating current or direct current.
The digital temperature control unit comprises a display screen and a micro-control computer which are connected with each other; the micro-control computer is arranged on the cooling unit, the display screen is arranged on the micro-control computer, the micro-control computer is respectively connected with the temperature measuring probe A and the temperature measuring probe B, and the micro-control computer is arranged in the cooling unit.
The cooling unit is water temperature control system, includes: the device comprises a device shell, a temperature control circulating water tank, a phase change temperature control sheet and a temperature control water pipe;
the temperature control water pipe is arranged on the phase change temperature control sheet in a zigzag shape, a temperature control water inlet pipe of the temperature control water pipe is connected with a water outlet of the temperature control circulating water tank, the other end of the temperature control water pipe enters the device shell, and a temperature control water outlet pipe of the temperature control water pipe extends out of the device shell and is connected with a water inlet of the temperature control circulating water tank;
a digital temperature control unit is arranged on the temperature control circulating water tank; a temperature controller and a temperature sensor are arranged in the temperature control circulating water tank, the temperature controller and the temperature sensor are both connected with the digital temperature control unit, when the temperature sensor receives detected temperature data, the temperature data are sent to the digital temperature control unit, and the digital temperature control unit adjusts the temperature controller to refrigerate or heat according to a set threshold value;
a temperature probe B is arranged at the bottom in the phase change temperature control sheet and is connected with the digital temperature control unit; the micro-control computer is embedded on the temperature control circulating water tank.
A use method of a body surface blood vessel cooling instrument comprises the following steps:
1) covering the limb at the position to be cooled with the phase change temperature control sheet at the corresponding position of the semiconductor phase change cooling unit;
2) the inner side surface of the short side at one side of the limb wearing sleeve is provided with a magic tape round hair surface, and the outer side surface of the short side at the other side is provided with a magic tape stabbing hair surface which are mutually adhered;
3) attaching a temperature measuring probe A to the vicinity of the limb at the position to be cooled, and electrifying a power supply;
4) the digital temperature control unit monitors the temperature of the temperature measuring probe A in real time, and detects the temperature difference between the temperature measuring probe B (14) and the phase change temperature control sheet in time to process different temperature changes in time.
The semiconductor phase-change cooling unit adopts two heat dissipation modes, which are respectively as follows: a water-cooling heat dissipation mode and an air-cooling heat dissipation mode;
when the semiconductor cooling unit adopts a water-cooling heat dissipation mode, the method specifically comprises the following steps:
injecting water into the temperature control water tank, starting the power supply device, and monitoring the temperature returned by the temperature probe A and the temperature probe B in real time by the digital temperature control unit and transmitting the water temperature in the temperature control water tank by the temperature sensor in the temperature control water tank;
according to the target temperature set by the digital temperature control unit, the temperature control water tank is started to inject water into the radiating water box, the opening or closing of a water supply pipe and a water outlet pipe of the temperature control water tank is controlled to control the temperature according to the temperature returned by the temperature probe A and the temperature probe B, and the temperature is transmitted through the heat conduction material on the lower wall of the radiating water box to realize the cooling;
the digital temperature control unit monitors the temperature of the temperature probe A in real time, detects the temperature difference between the temperature probe B and the phase change temperature control sheet in time, enables the semiconductor phase change temperature reduction unit arranged on the heat insulation layer to start temperature reduction work in time, charges the phase change temperature control sheet for cold charging, monitors the body surface temperature of a human body in real time through the digital temperature control unit, and immediately executes power-off operation if the body surface temperature is higher than or lower than the warning temperature;
when the semiconductor cooling unit adopts an air-cooling heat dissipation mode, the method specifically comprises the following steps:
and starting the power supply device, controlling the opening of the cooling fan by the digital temperature control unit, discharging heat through the through hole on the top surface of the shell of the device, monitoring the temperature of the temperature probe A in real time according to the target temperature set by the digital temperature control unit, and detecting the temperature difference between the temperature probe B and the phase change temperature control sheet in time until the temperature difference between the temperatures returned by the temperature probe A and the temperature probe B meets the target temperature.
A temperature control method of a body surface blood vessel cooling instrument comprises the following steps:
1) covering the phase change temperature control sheet at the corresponding position of the cooling unit on the limb to be cooled;
2) the inner side surface of the short side at one side of the limb wearing sleeve is provided with a magic tape round hair surface, and the outer side surface of the short side at the other side is provided with a magic tape stabbing hair surface which are mutually adhered;
3) attaching a temperature measuring probe A to the vicinity of the limb at the position to be cooled;
4) injecting water into the temperature control circulating water tank, starting a power supply device, monitoring the temperatures returned by the temperature probe A and the temperature probe B in real time by the digital temperature control unit, and transmitting the water temperature in the temperature control circulating water tank by a temperature sensor in the temperature control circulating water tank;
according to the target temperature set by the digital temperature control unit, the digital temperature control unit adjusts the temperature controller to reach the target temperature, the temperature control water pipe continuously circulates and circulates the water in the temperature control circulating water tank to cool until the temperatures returned by the temperature probe A and the temperature probe B meet the set target temperature.
The invention has the following beneficial effects and advantages:
1. the invention can accurately and reliably control the temperature and the rewarming process, and the phase-change temperature control sheet has flexibility and good attachment performance and can be completely attached to the skin on the surface of a human body;
2. the invention can timely take the measures required by different temperature changes. The body surface blood vessel cooling instrument can continuously cool the body surface blood vessels for a long time and continuously maintain a certain specific temperature, and has the advantages of small volume, convenient carrying, simple operation, good cooling effect, high efficiency, accurate temperature control and safety.
3. The invention can quickly realize low-temperature induction, accurately and reliably maintain the temperature and control the rewarming process, optimizes the wearing mode, greatly improves the working efficiency and ensures the safety.
4. The special limb wearing sleeve enables the phase change temperature control sheet to be tightly attached to the body surface skin through which the superficial great vessels pass, and the blood flow speed in the superficial great vessels is very high, so that the cold energy is easily brought to all parts of the whole body.
5. The invention can realize automatic temperature control, not only can accurately and reliably cool, but also can accurately and reliably heat, and can also stably maintain the body temperature at the target temperature; meanwhile, the problem of excessive temperature reduction caused by unidirectional cooling of the traditional cooling blanket is effectively avoided, and the safety of a user is ensured to the maximum extent.
6. The power supply device of the invention adopts a design that both direct current and alternating current can supply power, enhances the portability of the invention, is communicated with a movable charging device such as a charger, and can be used at any time even outdoors, so that the invention is used for the target temperature control and management of users.
Drawings
FIG. 1 is a schematic view of the tiled structure of the present invention;
FIG. 2 is a schematic view of the present invention in use;
FIG. 3 is a schematic structural diagram of a semiconductor phase change cooling unit according to the present invention;
FIG. 4 is a schematic structural diagram of the semiconductor phase-change cooling unit of the present invention after being tiled by a semiconductor temperature control-water cooling system;
FIG. 5 is a schematic structural diagram of a semiconductor temperature control-water cooling system adopted by the semiconductor phase-change cooling unit of the present invention;
FIG. 6 is a schematic structural view of the cooling unit of the present invention after being tiled by a water temperature control system;
FIG. 7 is a schematic view of a structure of a system for controlling temperature by water for a cooling unit according to the present invention;
wherein, 1 is the limbs and dresses the cover, 2 is the heat preservation, 3 is digital temperature control unit, 4 is temperature probe A, 5 is the power, 6 is the display screen, 7 is semiconductor phase transition cooling unit, 8 is magic subsides thorn matte, 9 is magic subsides circle matte, 10 is radiator fan, 11 is heat conduction fin, 12 is the semiconductor refrigeration piece, 13 is phase transition temperature control piece, 14 is temperature probe B, 15 is accuse temperature water pipe, 16 is accuse temperature pipe inlet tube, 17 is accuse temperature pipe outlet pipe, 18 is accuse temperature water tank, 19 is the cooling water casket, 20 is the water supply pipe, 21 is the outlet pipe, 701 is the cooling unit, 22 is accuse temperature circulation tank.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are within the scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1:
as shown in fig. 1 and 2, the present invention is a schematic structure diagram after being tiled and a schematic structure diagram when in use; the invention relates to an implementation mode, namely a body surface blood vessel temperature control instrument adopting a semiconductor temperature control-fan heat dissipation system;
the invention relates to a body surface blood vessel cooling instrument, which comprises a limb wearing sleeve 1, a semiconductor phase change cooling unit 7, a digital temperature control unit 3, a temperature measuring probe A4 and a power supply 5, wherein the semiconductor phase change cooling unit 7 consists of a phase change temperature control sheet 13, a semiconductor refrigerating sheet 12, a heat conduction fin 11, a cooling fan 10, an insulating layer 2 and a temperature measuring probe A4; the digital temperature control unit 3 consists of a display screen 6 and a micro-control computer.
The temperature-control wearing sleeve 1 can enable the phase-change temperature-control sheet 13 (namely a body surface temperature-transmission layer) to be tightly attached to the skin of a body surface area (such as a femoral vessel area, a cervical vessel area, an axillary vessel area, a popliteal vessel area and the like) through which a superficial layer larger blood vessel passes, and can be made into different sizes and shapes according to the area of the corresponding body surface area and the body surface structure of a human body, and the fixing method can be an inner surface pasting type, a side end pasting type, a binding type or a wearing type and the like. The inner side surface of the short side edge at one side of the side end pasting type temperature control wearing sleeve is provided with a pasting round rough surface 9, and the outer side surface of the short side edge at the other side is provided with a pasting burr surface 8. The limb sleeve and the neck sleeve are fixed on the surface of a human body in an adhesion mode, and a section of elastic material part can be added in the temperature-control wearing sleeve in consideration of different limb circumference degrees and neck circumference degrees of different users.
The semiconductor phase change cooling unit 7 in this embodiment includes: the device comprises a device shell, a phase change temperature control sheet 13, a semiconductor refrigeration sheet 12, heat conduction fins 11, a cooling fan 10 and a temperature measurement probe B14;
the device shell is arranged on the heat-insulating layer 2; the upper part of the semiconductor refrigeration piece 12 is clamped in the device shell, the lower part of the semiconductor refrigeration piece 12 penetrates through the heat insulation layer 2, the top surface of the semiconductor refrigeration piece 12 is connected with the bottom surface of the heat conduction fin 11, and the heat conduction fin 11 is arranged in the device shell; the top surface of the heat conducting fin 11 is provided with a heat radiating fan 10, and the top surface of the device shell is provided with a through hole for the heat radiating fan 10 to discharge heat;
a phase change temperature control sheet 13 is arranged below the heat preservation layer 2, the lower part of the semiconductor refrigeration sheet 12 is covered by the phase change temperature control sheet 13, a temperature measuring probe B14 is arranged at the lower part of the semiconductor refrigeration sheet 12, and the temperature measuring probe B14 is connected with the digital temperature control unit 3;
the semiconductor phase change cooling units 7 are arranged in a plurality, and the semiconductor phase change cooling units 7 are arranged on the heat preservation layer 2 in an array mode.
The limb wearing sleeve 1 is unfolded into a rectangle with the size of 50cm x 20cm, and the surface of the limb wearing sleeve is made of a material which has higher heat conductivity coefficient, elasticity, better adhesiveness, good air permeability and convenience for disinfection, and is specifically formed by overlapping polyethylene and polyurethane layers. The composite material has no corrosivity to skin, and is convenient for cleaning and sterilizing.
The phase change temperature control sheet 13 is used as a body surface temperature transmission layer of the invention, and is composed of a temperature-controllable, high-heat-conductive and flexible high-molecular phase change material, the adopted high-molecular phase change material can control the temperature at 25 ℃ without temperature fluctuation, can be bent, twisted and deformed at any temperature without losing the material performance, and is specifically formed by mixing sodium polyacrylate, sodium carboxymethyl cellulose, expanded graphite and calcium chloride hexahydrate.
The phase-change temperature control tablet is prepared from sodium polyacrylate, carboxymethyl cellulose, expanded graphite and calcium chloride hexahydrate according to the weight ratio of 4: 3: 1: 12, and stirring for 6 hours at 80 ℃.
Because this polymer phase change material has the flexibility, so laminating on human skin surface that can be fine to improve the transmission efficiency of refrigeration piece cold volume, and phase change material can also exert its cold storage accuse temperature's characteristic, when the user uses, can not lead to the fluctuation of temperature because of the switch of refrigeration piece, thereby reach an accurate accuse temperature and prevent rewarming's purpose. The phase-change material can also control the temperature without temperature fluctuation at a certain temperature, thereby achieving the purposes of blocking the over-low temperature of the refrigerating sheet and protecting the skin.
The phase change temperature control sheet is embedded with a temperature measuring probe B14, which can detect the temperature of the phase change temperature control sheet 13 in time.
The heat-insulating layer 2 is a nano aerogel felt. Compared with the traditional material, the aerogel can achieve a better effect by using lighter mass and smaller volume, and has the advantages of heat insulation, high temperature resistance and the like. The aerogel felt can well store the cold energy generated by the refrigerating piece in the phase-change temperature control piece 13, so that the heat transferred by the environment is blocked outside while the cold energy loss is reduced, the influence of the environment temperature on the phase-change temperature control piece is reduced, and the temperature control efficiency is enhanced.
The lower part of the phase-change material of the phase-change temperature control sheet 13 is provided with a temperature probe B14, the other temperature probe A4 is arranged at a monitoring part for measuring the temperature of a commonly used human body (such as the temperature of the armpit, the temperature of the anus or the temperature of the bladder), and the temperature probes A4 and B14 are connected with the digital temperature controller 3. The digital temperature controller 3 consists of a display screen 6 and a microcomputer, and the microcomputer 3 is connected with a temperature measuring probe A4 and a temperature measuring probe B14 which are used for monitoring the body temperature and the body surface temperature transmission layer of a human body; the temperature change of the corresponding part can be monitored in real time. The digital temperature controller 3 can automatically control the semiconductor phase-change temperature control unit 7 to refrigerate or heat according to the set target body temperature, accurately and reliably control the temperature reduction and rewarming, and maintain the body temperature at the set target temperature; the temperature of the phase change temperature control sheet 13 is detected in time, if the temperature exceeds a safety limit value, an alarm is given in time, and the semiconductor phase change temperature control unit 7 is stopped to work under automatic power-off protection; while also all data is embodied in the display screen 6.
The power supply 5 can be designed to be supplied with either direct current or alternating current.
The semiconductor refrigerating sheet 12 is embedded and installed on the heat insulation layer 2 and the phase-change temperature control sheet 13 in the temperature control wearing sleeve 1, and the semiconductor refrigerating sheet 12 can be formed by connecting a plurality of small refrigerating sheets in parallel and is tightly attached to the phase-change temperature control sheet 13; each semiconductor refrigerating sheet 12, the cooling fan 10 above the semiconductor refrigerating sheet and the body surface heat transfer layer below the semiconductor refrigerating sheet form a temperature control unit; the refrigerating surface of the semiconductor refrigerating sheet 12 and the body surface temperature transmission layer are attached to form a refrigerating temperature control unit; the heating surface of the semiconductor refrigerating sheet and the body surface temperature transmission layer are attached to form a heating temperature control unit; the refrigeration temperature control unit and the heating temperature control unit can be alternately arranged and are respectively connected in parallel to be independently electrified for control, so that the respective control of refrigeration or heating is realized.
The semiconductor refrigerating sheet 12 is used for providing cold energy, on one hand, the problem that long-time preparation is needed before the surface temperature control product is used is solved because the semiconductor refrigerating sheet has high refrigerating efficiency and quick response and supplies power and is cold; on the other hand, the semiconductor refrigeration sheet 12 has small volume, compared with the prior temperature control products like a cold therapy machine, the problems of large volume and large occupied space of the products are solved, and the use is convenient; meanwhile, the design that both direct current and alternating current can supply power can enhance the portability of the portable charger, and a movable charging device such as a charger is connected. The refrigerator can be used at any time even outdoors, so that the refrigerator is not limited to target temperature in a hospital for guiding refrigeration.
The digital temperature control unit 3 includes: a display screen 6 and a micro-control computer which are connected with each other; the display screen 6 is arranged on the limb wearing sleeve 1, and the micro-control computer is respectively connected with the temperature measuring probe A4 and the temperature measuring probe B14 and is arranged in the limb wearing sleeve 1.
A use method of a body surface blood vessel cooling instrument comprises the following steps:
1) covering the limb to be cooled with the phase change temperature control sheet 13 at the position corresponding to the semiconductor phase change cooling unit 7;
2) the inner side surface of the short side at one side of the limb wearing sleeve 1 is provided with a magic tape round hair surface 9, and the outer side surface of the short side at the other side is provided with a magic tape thorn hair surface 8 which are adhered with each other;
3) the temperature measuring probe A4 is placed at a monitoring part for measuring the temperature of a commonly used human body (such as the temperature of the armpit, the temperature of the anus or the temperature of the bladder), and the power supply 5 is electrified;
4) the digital temperature control unit 3 monitors the temperature of the temperature measuring probe A4 in real time, and detects the temperature difference between the temperature measuring probe B14 and the phase change temperature control sheet in time to process different temperature changes in time.
The working principle of the invention is as follows: when the limb body surface blood vessel cooling instrument is used, firstly, functional areas in the limb body surface blood vessel cooling instrument are detected, the digital temperature control unit 3 is well connected with the power supply 5, the electric quantity of the power supply is determined to be sufficient, then the limb body surface blood vessel cooling instrument is worn, and the phase change temperature control sheet 13 on the inner layer of the limb wearing sleeve 1 is completely attached to a part of a human body needing action;
then the power supply 5 is turned on, the digital temperature control unit 3 controls the cooling fan 10 to be turned on, heat is discharged through a through hole on the top surface of the device shell, so that the semiconductor phase-change cooling unit 7 arranged on the heat insulation layer 2 starts cooling, the phase-change cold storage material, namely the phase-change temperature control sheet 13, is charged with cold, the material reaches a proper temperature by utilizing the characteristic of cold storage and temperature control of the phase-change material, the temperature of the temperature probe A4 is monitored in real time according to the target temperature set by the digital temperature control unit 3, the temperature difference between the temperature probe B14 and the phase-change temperature control sheet 13 is detected in time until the temperature difference between the temperatures returned by the temperature probe A4 and the temperature probe B14 meets the target temperature.
The problem of rewarming is solved, and the temperature is accurately controlled; meanwhile, the digital temperature control unit 3 monitors the body surface temperature of the human body in real time, if the body surface temperature is higher or lower than the warning temperature (such as 10-37 ℃), power-off protection is immediately executed, and therefore personal safety is protected.
Example 2:
the invention relates to an implementation mode, namely a body surface blood vessel temperature control instrument adopting a semiconductor temperature control-water cooling heat dissipation system, as shown in fig. 4 and 5, the invention is a structural schematic diagram of a semiconductor phase change cooling unit adopting the semiconductor temperature control-water cooling heat dissipation system and a tiled structural schematic diagram;
the semiconductor phase change cooling unit 7 in this embodiment includes: a temperature control water tank 18, a heat radiation water box 19, a water supply pipe 20, a water outlet pipe 21 and a semiconductor refrigeration piece 12;
the temperature control water tank 18 is connected with the heat dissipation water box 19 through a water supply pipe 20 and a water outlet pipe 21 respectively;
the phase-change temperature control sheet 13 is attached to the lower part of the heat insulation layer 2, the phase-change temperature control sheet 13 and the heat insulation layer 2 form a temperature control structure, the bottom surface of the semiconductor refrigeration sheet is embedded into the temperature control structure and exposed out of the heat insulation layer 2, and the top surface of the semiconductor refrigeration sheet 12 is abutted to the lower wall of the heat dissipation water box 19;
the lower wall of the heat-dissipating water box 19 is made of heat-conducting material; the bottom in the phase change temperature control sheet 13 is provided with a temperature probe B14, a temperature probe B14 is arranged right below the semiconductor refrigeration sheet 12, and a temperature probe B14 is connected with the digital temperature control unit 3. The heat conduction material is any one of a heat conduction gasket, a copper sheet and a graphene sheet.
The limb wearing sleeve 1 can make the phase-change temperature control sheet 13 (namely the body surface temperature transmission layer) tightly attached to the skin of the body surface region (such as femoral vessel region, jugular vessel region, axillary vessel region, popliteal vessel region, etc.) through which the superficial larger blood vessel passes, and can be made into different sizes and shapes according to the area of the corresponding body surface region and the body surface structure of the human body, and the fixing method can be inner face pasting type, side end pasting type, binding type or wearing type, etc. The inner side surface of the short side edge at one side of the side end pasting type temperature control wearing sleeve is provided with a pasting round rough surface 9, and the outer side surface of the short side edge at the other side is provided with a pasting burr surface 8. Considering that the limb circumference and the neck circumference of different users are different, a section of elastic material part can be added in the temperature-control wearing sleeve.
The limb wearing sleeve 1 is internally provided with a semiconductor refrigeration piece 12, and the semiconductor refrigeration piece 12 can be formed by connecting a plurality of small refrigeration pieces in parallel and is tightly attached to the phase-change temperature control piece 13; each semiconductor refrigerating sheet 12, the radiating water box 19 above the semiconductor refrigerating sheet and the body surface heat transfer layer below the semiconductor refrigerating sheet form a temperature control unit; the refrigerating surface of the semiconductor refrigerating sheet 12 and the phase change temperature control sheet 13 are attached to form a refrigerating temperature control unit; the heating surface of the semiconductor refrigerating sheet and the phase change temperature control sheet 13 are attached to form a heating temperature control unit; the refrigeration temperature control unit and the heating temperature control unit can be alternately arranged and are respectively connected in parallel to be independently electrified for control, so that the respective control of refrigeration or heating is realized.
The heat-dissipating water box 19 is tightly arranged on the semiconductor refrigerating sheet 12, and the lower wall of the heat-dissipating water box 19 is made of heat-conducting materials, so that efficient heat dissipation or cold dissipation can be realized; a water supply pipe 20 and a water outlet pipe 21 are arranged on one side of the shell; a water supply pipe 20 and a water outlet pipe 21 are connected with the temperature control water tank 18. The heat conduction material is any one of a heat conduction gasket, a copper sheet and a graphene sheet.
The phase change temperature control sheet 13 is made of a temperature-controllable, high-thermal-conductivity and flexible high-molecular phase change material, the adopted high-molecular phase change material can be controlled at a certain temperature without temperature fluctuation, can be bent, twisted and deformed at any temperature without losing material performance, and is specifically formed by mixing sodium polyacrylate, sodium carboxymethylcellulose, expanded graphite and calcium chloride hexahydrate; sodium polyacrylate, carboxymethyl cellulose, expanded graphite and calcium chloride hexahydrate are mixed according to a ratio of 4: 3: 1: 12, and stirring for 6 hours at 80 ℃. Because the high-molecular phase-change material has flexibility, the high-molecular phase-change material can be well attached to the surface of the skin of a human body, so that the transfer efficiency of the refrigerating capacity of the refrigerating sheet is improved. The phase-change material can control the temperature without temperature fluctuation under a certain temperature, thereby achieving the purposes of blocking the over-low temperature of the refrigerating sheet and protecting the skin.
The heat-insulating layer 2 is a nano aerogel felt. Compared with the traditional material, the aerogel can achieve a better effect by using lighter mass and smaller volume, and has the advantages of heat insulation, high temperature resistance and the like. The aerogel felt can well store the cold energy generated by the refrigerating piece in the phase-change material layer, thereby reducing the loss of the cold energy, and simultaneously blocking the environment and the heat transferred by the heat generating surface of the semiconductor refrigerating piece, thereby enhancing the efficiency of temperature control.
The lower part of the phase-change material of the phase-change temperature control sheet 13 is provided with a temperature probe B14, the other temperature probe A4 is arranged at a monitoring part for measuring the temperature of a commonly used human body (such as the temperature of the armpit, the temperature of the anus or the temperature of the bladder), and the temperature probe A4 and the temperature probe B14 are connected with the digital temperature controller 3. The digital temperature controller 3 consists of a display screen 6 and a microcomputer, and the microcomputer is connected with a temperature measuring probe A4 and a temperature measuring probe B14 which are used for monitoring the temperature transmission layer of the body temperature and the body surface of the human body; the temperature change of the corresponding part can be monitored in real time. The digital temperature controller 3 can automatically control the semiconductor phase-change temperature control unit 7 to refrigerate or heat according to the set target body temperature, accurately and reliably control the temperature reduction and rewarming, and maintain the body temperature at the set target temperature; the temperature of the phase change temperature control sheet 13 is detected in time, if the temperature exceeds a safety limit value, an alarm is given in time, and the temperature control unit 7 is stopped working after automatic power-off protection; while also all data is embodied in the display screen 6.
The power supply 5 and the power supply of the temperature-controlled water tank 18 can be designed to be supplied with direct current or alternating current.
A use method of a body surface blood vessel temperature control instrument comprises the following steps:
1) the temperature control wearing sleeve 1 is worn on a body surface area corresponding to a body surface blood vessel (such as a femoral blood vessel or a neck blood vessel) to ensure that the phase change temperature control 13 is tightly contacted with the skin of the body surface;
3) placing a temperature probe A4 at a monitoring position for measuring common human body temperature (such as axillary temperature, anal temperature or bladder temperature); adding water into a temperature control water tank; starting up;
4) the digital temperature controller 3 monitors the temperature of the human body at the temperature measuring probe A4 in real time, and automatically controls the semiconductor temperature control system to refrigerate or heat according to the set target body temperature. And the temperature of the temperature measuring probe B14 positioned in the body surface temperature transmission layer 13 is detected in time, if the temperature exceeds a safety limit value (such as 10-37 ℃), an alarm is given in time, and the temperature control system is automatically stopped.
The working principle in example 2 is as follows:
injecting water into the temperature control water tank 18, starting the power supply device 5, and monitoring the temperatures returned by the temperature probe A4 and the temperature probe B14 in real time by the digital temperature control unit 3 and transmitting the water temperature in the temperature control water tank 18 by the temperature sensor in the temperature control water tank 18;
according to the target temperature set by the digital temperature control unit 3, the temperature control water tank 18 is started to fill water into the radiating water box 19, the opening or closing of the water supply pipe 20 and the water outlet pipe 21 of the temperature control water tank 18 is controlled to control the temperature according to the temperature returned by the temperature probe A4 and the temperature probe B14, and the temperature is transmitted through the heat conduction material on the lower wall of the radiating water box 19 to realize the temperature reduction;
the digital temperature control unit 3 monitors the temperature of the temperature measuring probe A4 in real time, detects the temperature difference between the temperature measuring probe B14 and the phase change temperature control sheet 13 in time, enables the semiconductor phase change temperature reduction unit 7 arranged on the heat insulation layer 2 to start temperature reduction work in time, charges cold for the phase change temperature control sheet 13, monitors the body surface temperature of a human body in real time through the digital temperature control unit 3, and immediately executes power-off operation if the temperature is higher than or lower than the warning temperature.
Example 3:
as shown in fig. 6 and 7, the structure of the temperature control system using water as the cooling unit is schematically illustrated;
adopt water temperature control system's body surface blood vessel temperature control appearance includes in this embodiment: the method comprises the following steps: the limb wearing sleeve 1, the cooling unit 701, the digital temperature control unit 3, the temperature measuring probe A4, the heat preservation layer 2 and the power supply device 5;
the temperature reduction unit 7 is connected with the digital temperature control unit 3, and the digital temperature control unit 3 is arranged on the temperature reduction unit 701;
the limb wearing sleeve 1 is provided with a heat preservation layer 2; the digital temperature control unit 3 is connected with a temperature measuring probe A4 through a lead, and the temperature measuring probe A4 is attached to the body surface;
the power supply device 5 is electrically connected with the cooling unit 701 and the digital temperature control unit 3 respectively, the power supply device 5 is arranged outside the limb wearing sleeve 1, and the input end of the power supply device 5 is connected with alternating current or direct current.
The cooling unit 701 is a water temperature control system, including: the device comprises a device shell, a temperature control circulating water tank 22, a phase change temperature control sheet 13 and a temperature control water pipe 15;
the temperature control water pipe 15 is arranged on the phase change temperature control sheet 13 in a zigzag shape, a temperature control water inlet pipe 16 of the temperature control water pipe 15 is connected with a water outlet of the temperature control circulating water tank 22, the other end of the temperature control water pipe enters the device shell, and a temperature control water outlet pipe 17 of the temperature control water pipe 15 extends out of the device shell and is connected with a water inlet of the temperature control circulating water tank 22;
the temperature control circulating water tank 22 is provided with a digital temperature control unit 3, a temperature controller and a temperature sensor are arranged in the temperature control circulating water tank 22, the temperature controller and the temperature sensor are both connected with the digital temperature control unit 3, when the temperature sensor receives detected temperature data, the detected temperature data are sent to the digital temperature control unit 3, and the digital temperature control unit 3 adjusts the temperature controller to refrigerate or heat according to a set threshold value;
the bottom in the phase change temperature control sheet 13 is provided with a temperature probe B14, and the temperature probe B14 is connected with the digital temperature control unit 3.
The limb wearing sleeve 1 can make the phase-change temperature control sheet 13 (namely the body surface temperature transmission layer) tightly attached to the skin of the body surface region (such as femoral vessel region, jugular vessel region, axillary vessel region, popliteal vessel region, etc.) through which the superficial larger blood vessel passes, and can be made into different sizes and shapes according to the area of the corresponding body surface region and the body surface structure of the human body, and the fixing method can be inner face pasting type, side end pasting type, binding type or wearing type, etc. The inner side surface of the short side edge at one side of the side end pasting type temperature control wearing sleeve is provided with a pasting round rough surface 9, and the outer side surface of the short side edge at the other side is provided with a pasting burr surface 8. Considering that the limb circumference and the neck circumference of different users are different, a section of elastic material part can be added in the temperature-control wearing sleeve.
The temperature control water pipe 15 is made of elastic material and is annularly arranged on the phase change temperature control sheet 13, and a temperature control pipe water inlet pipe 16 and a temperature control pipe water outlet pipe 17 are arranged on one side of the limb wearing sleeve 1; the temperature control pipe inlet pipe 16 and the temperature control pipe outlet pipe 17 are connected with a temperature control water tank 18.
The phase change temperature control sheet 13 is made of heat conduction materials or phase change materials; the heat conduction material is made of materials with good compatibility with skin, high heat conduction coefficient, elasticity, good adhesiveness and good air permeability, has no corrosion to the skin, and is convenient to clean and disinfect, such as heat conduction silica gel, heat conduction gel, hydrogel and the like. The high thermal conductivity material facilitates rapid heat transfer and thus rapid attainment of the target temperature.
The lower part of the body surface temperature transmission layer 13 is provided with a temperature measuring probe 14, the other temperature measuring probe 4 is arranged at a monitoring part for measuring the temperature of a commonly used human body (such as the temperature of the armpit, the temperature of the anus or the temperature of the bladder), and the temperature measuring probes 4 and 14 are connected with the digital temperature controller 3. The digital temperature controller 3 consists of a display screen 6 and a microcomputer 3, and the microcomputer 3 is connected with temperature measuring probes 4 and 14 for monitoring the body temperature and the body surface temperature transmission layer; the temperature change of the corresponding part can be monitored in real time. The digital temperature controller 3 can automatically control the temperature control water tank to refrigerate or heat according to the set target body temperature, accurately and reliably control the temperature reduction and rewarming, and maintain the body temperature at the set target temperature; the temperature of the temperature transmission layer on the body surface is detected in time, if the temperature exceeds a safety limit value, an alarm is given in time, the power is automatically cut off for protection, and the temperature control water tank 18 stops working; while also all data is embodied in the display screen 6.
The power supply of the temperature control water tank can be powered by direct current or alternating current.
The use method of the body surface blood vessel temperature control instrument in the embodiment 3 comprises the following steps:
1) the temperature control wearing sleeve 1 is worn on a body surface area corresponding to a body surface blood vessel (such as a femoral blood vessel or a neck blood vessel) to ensure that a body surface temperature transmission layer 13 is tightly contacted with the skin of the body surface;
2) placing a temperature probe A4 at a monitoring position for measuring common human body temperature (such as axillary temperature, anal temperature or bladder temperature); adding water into a temperature control water tank; starting up;
3) injecting water into the temperature control circulating water tank 22, starting the power supply device 5, and monitoring the temperature returned by the temperature probe A4 and the temperature probe B14 in real time by the digital temperature control unit 3 and transmitting the water temperature in the temperature control circulating water tank 22 by the temperature sensor in the temperature control circulating water tank 22;
according to the target temperature set by the digital temperature control unit 3, the digital temperature control unit 3 adjusts the temperature controller to reach the target temperature, the temperature control water pipe 15 continuously circulates and circulates the water in the temperature control circulation water tank 22 to cool until the temperatures returned by the temperature probe A4 and the temperature probe B14 meet the set target temperature. If the temperature is lower than the safety limit (such as 10-37 ℃), alarming is carried out in time, and the temperature control system is automatically stopped.
According to the invention, the phase-change temperature control sheet 13 is tightly attached to the body surface skin through which the superficial large blood vessels pass through by the temperature control wearing sleeve (namely the limb wearing sleeve), the heat conduction efficiency is higher than that of the traditional cooling blanket, the effect of rapid temperature control can be achieved, and the requirement of various fields on rapid target temperature management is met. Meanwhile, the invention can automatically control refrigeration and heating, and not only can stably maintain the body temperature at the preset target temperature; the problem of excessive body temperature reduction caused by one-way temperature reduction of the traditional cooling blanket is effectively avoided, and the safety of users is ensured to the maximum extent.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (10)
1. A body surface blood vessel cooling instrument, comprising: the limb temperature measuring device comprises a limb wearing sleeve (1), a semiconductor phase change cooling unit (7), a digital temperature control unit (3), a temperature measuring probe A (4), a heat preservation layer (2) and a power supply device (5);
the phase change cooling unit (7) is connected with the digital temperature control unit (3), and the digital temperature control unit (3) is arranged on the limb wearing sleeve (1);
the limb wearing sleeve (1) is provided with a heat preservation layer (2), and the phase change cooling unit (7) is embedded in the heat preservation layer (2);
the digital temperature control unit (3) is connected with a temperature measuring probe A (4) through a lead, and the temperature measuring probe A (4) is attached to the body surface;
power supply unit (5) respectively with semiconductor phase transition cooling unit (7) and digital temperature control unit (3) electric connection, just outside power supply unit (5) located limbs and dresses cover (1), power supply unit (5) input access alternating current or direct current.
2. A superficial blood vessel cooling instrument according to claim 1, wherein the semiconductor phase-change cooling unit (7) comprises: the device comprises a device shell, a phase change temperature control sheet (13), a semiconductor refrigeration sheet (12), heat conduction fins (11), a heat dissipation fan (10) and a temperature measurement probe B (14);
the device shell is arranged on the heat-insulating layer (2); the upper part of the semiconductor refrigeration piece (12) is clamped in the device shell, the lower part of the semiconductor refrigeration piece (12) penetrates through the heat insulation layer (2), the top surface of the semiconductor refrigeration piece (12) is connected with the bottom surface of the heat conduction fin (11), and the heat conduction fin (11) is arranged in the device shell; the top surfaces of the heat conducting fins (11) are provided with heat radiating fans (10), and the top surface of the device shell is provided with through holes for the heat radiating fans (10) to discharge heat;
a phase change temperature control sheet (13) is arranged below the heat preservation layer (2), the phase change temperature control sheet (13) covers the lower part of the semiconductor refrigeration sheet (12), a temperature measurement probe B (14) is arranged on the lower part of the semiconductor refrigeration sheet (12), and the temperature measurement probe B (14) is connected with the digital temperature control unit (3);
the semiconductor phase-change cooling device is provided with a plurality of semiconductor phase-change cooling devices which are arranged on the heat-insulating layer (2) in an array form.
3. A superficial blood vessel cooling instrument according to claim 1, wherein the semiconductor phase-change cooling unit (7) comprises: a temperature control water tank (18), a heat dissipation water box (19), a water supply pipe (20), a water outlet pipe (21) and a semiconductor refrigeration sheet (12);
the temperature control water tank (18) is connected with the heat dissipation water box (19) through a water supply pipe (20) and a water outlet pipe (21) respectively;
the phase-change temperature control sheet (13) is attached to the lower part of the heat insulation layer (2), the phase-change temperature control sheet (13) and the heat insulation layer (2) form a temperature control structure, the bottom surface of the semiconductor refrigeration sheet is embedded into the temperature control structure and exposed out of the heat insulation layer (2), and the top surface of the semiconductor refrigeration sheet (12) is abutted to the lower wall of the heat dissipation water box (19);
the lower wall of the heat-radiating water box (19) is made of heat-conducting material; a temperature probe B (14) is arranged at the bottom in the phase change temperature control sheet (13), the temperature probe B (14) is arranged right below the semiconductor refrigeration sheet (12), and the temperature probe B (14) is connected with the digital temperature control unit (3);
the heat conduction material is any one of a heat conduction gasket, a copper sheet and a graphene sheet.
4. A body surface blood vessel cooling instrument according to claim 1, wherein the phase change temperature control sheet (13) is made of sodium polyacrylate, carboxymethyl cellulose, expanded graphite and calcium chloride hexahydrate in a ratio of 4: 3: 1: 12, and stirring for 6 hours at 80 ℃.
5. A body surface blood vessel cooling instrument according to claim 1, wherein a square hole is formed in the center of the limb wearing sleeve (1), and the heat-insulating layer (2) is connected with the edge of the square hole of the limb wearing sleeve (1) in a sewing manner and keeps sealed;
the heat-insulating layer (2) is a nano-scale gel felt;
the limb wearing sleeve (1) is of a rectangular structure, the inner side surface of the short side at one side is provided with a sticking round hair surface (9), and the outer side surface of the short side at the other side is provided with a sticking thorn hair surface (8);
the limb wearing sleeve (1) is formed by splicing or laminating multiple layers, and each layer is one of silica gel, polyethylene or polyurethane.
6. A body surface blood vessel cooling instrument, comprising: the limb temperature measurement device comprises a limb wearing sleeve (1), a cooling unit (701), a digital temperature control unit (3), a temperature measurement probe A (4), a heat preservation layer (2) and a power supply device (5);
the temperature reduction unit (7) is connected with the digital temperature control unit (3), and the digital temperature control unit (3) is arranged on the temperature reduction unit (701);
the limb wearing sleeve (1) is provided with a heat-insulating layer (2);
the digital temperature control unit (3) is connected with a temperature measuring probe A (4) through a lead, and the temperature measuring probe A (4) is attached to the body surface;
the power supply device (5) is electrically connected with the cooling unit (701) and the digital temperature control unit (3) respectively, the power supply device (5) is arranged outside the limb wearing sleeve (1), and the input end of the power supply device (5) is connected with alternating current or direct current;
the digital temperature control unit (3) comprises a display screen (6) and a micro-control computer which are connected with each other; the micro-control computer is arranged on the cooling unit (7), the display screen (6) is arranged on the micro-control computer, the micro-control computer is respectively connected with the temperature measuring probe A (4) and the temperature measuring probe B (14), and the micro-control computer is arranged in the cooling unit (7).
7. A body surface blood vessel cooling instrument according to claim 6, wherein the cooling unit (701) is a water temperature control system comprising: the device comprises a device shell, a temperature control circulating water tank (22), a phase change temperature control sheet (13) and a temperature control water pipe (15);
the temperature control water pipe (15) is arranged on the phase change temperature control sheet (13) in a zigzag shape, a temperature control water inlet pipe (16) of the temperature control water pipe (15) is connected with a water outlet of the temperature control circulating water tank (22), the other end of the temperature control water pipe enters the device shell, and a temperature control water outlet pipe (17) of the temperature control water pipe (15) extends out of the device shell and is connected with a water inlet of the temperature control circulating water tank (22);
a digital temperature control unit (3) is arranged on the temperature control circulating water tank (22); a temperature controller and a temperature sensor are arranged in the temperature control circulating water tank (22), the temperature controller and the temperature sensor are both connected with the digital temperature control unit (3), when the temperature sensor receives detected temperature data, the detected temperature data are sent to the digital temperature control unit (3), and the digital temperature control unit (3) adjusts the temperature controller to refrigerate or heat according to a set threshold value;
a temperature probe B (14) is arranged at the bottom in the phase change temperature control sheet (13), and the temperature probe B (14) is connected with the digital temperature control unit (3); the micro-control computer is embedded on the temperature control circulating water tank (22).
8. The use method of the body surface blood vessel cooling instrument according to claim 1, characterized by comprising the following steps:
1) covering the limb to be cooled with the phase change temperature control sheet (13) at the position corresponding to the semiconductor phase change cooling unit (7);
2) the inner side surface of the short side at one side of the limb wearing sleeve (1) is provided with a magic tape round hair surface (9), and the outer side surface of the short side at the other side is provided with a magic tape thorn hair surface (8) which are adhered to each other;
3) attaching a temperature measuring probe A (4) to the vicinity of the limb at the position to be cooled, and electrifying a power supply (5);
4) the digital temperature control unit (3) monitors the temperature of the temperature measuring probe A (4) in real time, and detects the temperature difference between the temperature measuring probe B (14) and the phase change temperature control sheet (13) in time to process different temperature changes in time.
9. The use method of the body surface blood vessel cooling instrument according to claim 8, wherein the semiconductor phase-change cooling unit (7) adopts two heat dissipation modes, which are respectively: a water-cooling heat dissipation mode and an air-cooling heat dissipation mode;
when the semiconductor cooling unit adopts a water-cooling heat dissipation mode, the method specifically comprises the following steps:
injecting water into the temperature control water tank (18), starting the power supply device (5), and monitoring the temperature returned by the temperature probe A (4) and the temperature probe B (14) in real time by the digital temperature control unit (3) and the water temperature in the temperature control water tank (18) transmitted by the temperature sensor in the temperature control water tank (18);
according to the target temperature set by the digital temperature control unit (3), a temperature control water tank (18) is started to inject water into a heat dissipation water box (19), the opening or closing of a water supply pipe (20) and a water outlet pipe (21) of the temperature control water tank (18) is controlled to control the temperature according to the temperature returned by a temperature probe A (4) and a temperature probe B (14), and the temperature is transferred through a heat conduction material on the lower wall of the heat dissipation water box (19) to realize the cooling;
the digital temperature control unit (3) monitors the temperature of the temperature measuring probe A (4) in real time, detects the temperature difference between the temperature measuring probe B (14) and the phase change temperature control sheet (13) in time, enables the semiconductor phase change temperature reduction unit (7) arranged on the heat insulation layer (2) to start temperature reduction work in time, charges cold for the phase change temperature control sheet (13), monitors the body surface temperature of a human body in real time through the digital temperature control unit (3), and immediately executes power-off operation if the body surface temperature is higher than or lower than the warning temperature;
when the semiconductor cooling unit adopts an air-cooling heat dissipation mode, the method specifically comprises the following steps:
the power supply device (5) is started, the digital temperature control unit (3) controls the cooling fan (10) to be opened, heat is discharged through the through hole in the top surface of the device shell, the temperature of the temperature measuring probe A (4) is monitored in real time according to the target temperature set by the digital temperature control unit (3), the temperature difference between the temperature measuring probe B (14) and the phase change temperature control sheet (13) is detected in time, and the temperature difference between the temperatures returned by the temperature measuring probe A (4) and the temperature measuring probe B (14) meets the target temperature.
10. The method for controlling the temperature of a body surface blood vessel cooling instrument according to claim 6, comprising the steps of:
1) covering the limb to be cooled with the phase change temperature control sheet (13) at the position corresponding to the cooling unit (701);
2) the inner side surface of the short side at one side of the limb wearing sleeve (1) is provided with a magic tape round hair surface (9), and the outer side surface of the short side at the other side is provided with a magic tape thorn hair surface (8) which are adhered to each other;
3) attaching a temperature measuring probe A (4) to the vicinity of the limb at the position to be cooled;
4) injecting water into the temperature control circulating water tank (22), starting the power supply device (5), and monitoring the temperature returned by the temperature probe A (4) and the temperature probe B (14) in real time by the digital temperature control unit (3) and transmitting the water temperature in the temperature control circulating water tank (22) by a temperature sensor in the temperature control circulating water tank (22);
according to the target temperature set by the digital temperature control unit (3), the digital temperature control unit (3) adjusts the temperature controller to reach the target temperature, the temperature control water pipe (15) continuously circulates and circulates water in the temperature control circulating water tank (22) to cool until the temperatures returned by the temperature probe A (4) and the temperature probe B (14) accord with the set target temperature.
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