CN211049825U - Hydrogel plaster based on graphene temperature-controllable heating - Google Patents
Hydrogel plaster based on graphene temperature-controllable heating Download PDFInfo
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- CN211049825U CN211049825U CN201921078507.3U CN201921078507U CN211049825U CN 211049825 U CN211049825 U CN 211049825U CN 201921078507 U CN201921078507 U CN 201921078507U CN 211049825 U CN211049825 U CN 211049825U
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- heating
- graphite alkene
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 119
- 239000000017 hydrogel Substances 0.000 title claims abstract description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 43
- 239000011505 plaster Substances 0.000 title description 6
- -1 graphite alkene Chemical class 0.000 claims abstract description 58
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 57
- 239000010439 graphite Substances 0.000 claims abstract description 57
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 230000008859 change Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000000638 stimulation Effects 0.000 abstract description 3
- 239000002390 adhesive tape Substances 0.000 abstract 1
- 238000000554 physical therapy Methods 0.000 description 13
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- Electrotherapy Devices (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The utility model relates to a based on controllable temperature heating hydrogel subsides of graphite alkene, detain, the control by temperature change electrode detains, graphite alkene heating insulating piece and aquogel including substrate, graphite alkene heating plate, heating electrode, graphite alkene heating plate is fixed to be set up at the substrate middle part, and the edge of aquogel cover graphite alkene heating plate, heating electrode detain and run through the substrate with the control by temperature change electrode and connect graphite alkene heating plate, and graphite alkene heating insulating piece covers at graphite alkene heating plate middle part. The utility model has the advantages that: before the hydrogel is pasted on the skin of a human body, the graphene heating sheet can be electrified, so that the graphene heating sheet generates heat and conducts the heat to the hydrogel, preheating of the paste is achieved, and cold stimulation is avoided; in addition, the temperature change in the process of electrifying the graphene heating sheet can be monitored by detecting the change of the temperature feedback circuit, so that the user can be prevented from being scalded due to overhigh temperature of the adhesive tape.
Description
Technical Field
The utility model belongs to the physiotherapy equipment field especially relates to a based on controllable temperature heating hydrogel subsides of graphite alkene.
Background
The physiotherapy instrument adhesive plaster is an important physiotherapy instrument accessory, one side of the adhesive plaster is connected with the physiotherapy instrument main machine, and the other side of the adhesive plaster is contacted with the skin of a human body. Hydrogel is used as a material which is in contact with the skin of a common physiotherapy instrument, but the hydrogel has the ice feeling, so that if the hydrogel is directly pasted on the surface of a human body, cold stimulation can be brought to a user, and poor experience effect is brought to the user particularly in winter.
Graphene is a material with the highest thermal conductivity coefficient so far, has very good thermal conductivity, and the value of current carriers (conductive ions) of graphene at room temperature is more than ten times that of a silicon material, is more than twice that of a substance indium antimonide (InSb) with the highest current carrier mobility, and has very good conductivity. When voltage is applied to the graphene, current can be generated in the graphene, heat generated by the current through the conductor is in direct proportion to the quadratic power of the current, in direct proportion to the resistance of the conductor and in direct proportion to the electrifying time, and finally the graphene can generate heat and conduct outwards quickly.
In the prior art, thermistors are a type of sensitive element, and are classified into positive temperature coefficient thermistors (PTC) and negative temperature coefficient thermistors (NTC) according to temperature coefficients. Thermistors are typically temperature sensitive and exhibit different resistance values at different temperatures. The positive temperature coefficient thermistor (PTC) has a larger resistance value at higher temperatures, and the negative temperature coefficient thermistor (NTC) has a lower resistance value at higher temperatures. When the temperature of the environment where the thermistor is located changes, the resistance value of the thermistor changes correspondingly with the change of the temperature, so that the thermistor is usually used for detecting the environment temperature according to the characteristic of the thermistor.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a hydrogel plaster based on graphene temperature-controllable heating, which can be electrified before a user pastes the hydrogel on human skin, so that the graphene heating sheet generates heat to heat the hydrogel; in the process of heating the hydrogel patch, the constant temperature control heating of the hydrogel patch is realized through the temperature feedback circuit.
The utility model adopts the technical proposal that: the utility model provides a based on controllable temperature heating hydrogel subsides of graphite alkene, includes that substrate, graphite alkene heating plate, heating electrode buckle, control by temperature change electrode buckle, graphite alkene heating insulating piece and aquogel, and graphite alkene heating plate is fixed to be set up in the middle part of the substrate, and the edge of graphite alkene heating plate is covered to aquogel, and heating electrode buckle and control by temperature change electrode buckle run through the substrate and connect graphite alkene heating plate, and graphite alkene heating insulating piece covers in graphite alkene heating plate middle part.
Preferably, the substrate is X-shaped and the hydrogel is two of V-shaped, one on each side of the substrate.
Preferably, a graphene heating insulating sheet is disposed between the two hydrogels.
Preferably, the heating electrode buttons include two symmetrically disposed.
Preferably, the hydrogel shape matches the shape of the substrate.
Preferably, the temperature control electrode is connected with a temperature feedback circuit containing a thermistor.
The utility model has the advantages and positive effects that:
1. before a user pastes the hydrogel on the skin of a human body, the graphene heating sheet can be electrified, so that the graphene heating sheet generates heat and conducts the heat to the hydrogel, the temperature of the hydrogel is raised, heating of the hydrogel is finally realized, cold stimulation caused when the hydrogel is directly pasted on the skin of the human body is avoided, and particularly good skin contact experience can be brought to the user after the hydrogel is heated when the environment temperature is low;
2. in the process of electrifying the graphene heating sheet, the real-time temperature of the graphene heating sheet is fed back to the matched host through the temperature control electrode buckle of the graphene heating sheet, the host judges whether the temperature of the graphene heating sheet exceeds a limit or not according to the change of the detection temperature feedback circuit, and the power supply of the graphene heating sheet is turned on or turned off, so that the constant temperature control of the surface temperature of the hydrogel patch is finally realized, and the user is prevented from being scalded due to overhigh temperature of the patch.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic view of a backside structure of one embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view A-A of one embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of one embodiment of the present invention B-B;
FIG. 5 is a schematic diagram of the connection between the hydrogel patch and the physiotherapy instrument and a schematic diagram of the temperature feedback circuit of the physiotherapy instrument according to an embodiment of the present invention.
In the figure:
1. substrate 2, graphite alkene heating plate 3, graphite alkene heating insulating piece
4. Temperature control electrode buckle 5, hydrogel 6 and heating electrode buckle
Detailed Description
An embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1-4, the utility model relates to a but based on graphite alkene heating hydrogel subsides, this scheme hydrogel subsides include substrate 1, graphite alkene heating plate 2, heating electrode detains 6, control by temperature change electrode detains 4, graphite alkene heating insulating piece 3 and aquogel 5, graphite alkene heating plate 2 is fixed to be bonded at substrate 1 middle part, specifically can be rectangle, circular or oval, heating electrode detains 6 and control by temperature change electrode detains the structure the same, heating electrode detains 6 and control by temperature change electrode detains 4 and runs through substrate 1 and connect graphite alkene heating plate 2, detain 6 through graphite alkene heating electrode and energize graphite alkene heating plate 2, because graphite alkene material has very good electric conductive property, after the circular telegram to graphite alkene heating plate 2, will produce the electric current in graphite alkene heating plate 2, according to the heat that the electric current produced through the conductor is directly proportional with the square of electric current, directly proportional with the resistance of conductor, The mechanism is proportional to the time of the power-on, and finally the graphene heating sheet 2 can generate heat. This two heating electrode mouths that the hydrogel pasted on are connected with the power output that corresponds on the supporting physiotherapy equipment host computer, pass through power output by the physiotherapy equipment host computer, the heating electrode mouth gives the utility model discloses a graphite alkene heating plate 2 provides the power, graphite alkene heating plate 2 can produce the heat after the circular telegram, 5 hydrogel of overlap joint on graphite alkene heating plate 2 also can warm up, make the physiotherapy equipment electrode slice can preheat before using, avoid the cool and cool hydrogel to paste amazing user skin, temperature control electrode buckle 4 links to each other with the box of the correspondence on the physiotherapy equipment host computer, the inside power that changes the output according to temperature feedback circuit's result of physiotherapy equipment host computer, and then the calorific capacity of accurate control graphite alkene heating plate 2, when graphite alkene heating plate 2 generates heat, outside radiation far infrared carries out thermal therapy to the human body.
In the process of electrifying the graphene heating sheet 2 through the two heating electrode buckles 6, the real-time temperature of the graphene heating sheet 2 is conducted to the host machine matched with the adhesive sticker through the temperature control electrode buckle 4, as shown in fig. 5, a temperature feedback circuit based on a thermistor (an NTC type thermistor is used in the host machine matched with the adhesive sticker of the invention) is arranged on a host machine mainboard, and the temperature is detected by utilizing the characteristic that the thermistor has different resistance values at different temperatures. The temperature feedback circuit is designed as follows: firstly, a high-precision resistor (the resistance value of which does not change along with the temperature change) is selected, one section of the resistor is connected with a 3.3V power supply, the other end of the resistor is connected with a thermistor, the other end of the thermistor is grounded, and finally, the non-grounded end of the thermistor is connected with a voltage sampling pin of a main control chip in a host machine, so that the main control chip can monitor the voltage value of the thermistor in real time. The specific working process of the temperature feedback circuit is as follows: after the temperature of the graphene heating sheet 2 is conducted to the thermistor in the host machine through the temperature control electrode buckle 4, the thermistor can be correspondingly changed according to the resistance values of the thermistor in different temperatures, the voltage values at the two ends of the thermistor can be changed, then the main control chip in the host machine calculates the resistance value of the thermistor by collecting the voltages at the two ends of the thermistor, and calculates the temperature T (1/(ln) (R) according to the resistance value of the thermistor in the program of the main control chipt/R)/B+1/T0) (wherein T and T0Refers to the Kelvin temperature, RtIs the resistance of the thermistor at T temperature, R is the resistance of the thermistor at T0Nominal resistance value at normal temperature, B value is an important parameter of the thermistor), corresponding temperature T is T-273.15, and finally the temperature T is carried out by the main control chip with the preset temperature in the programAnd (3) comparison: when the temperature t is lower than the preset temperature t, the output power of the graphene heating sheet 2 is increased; when the temperature t is higher than the preset temperature t, the output power of the graphene heating sheet 2 is reduced or closed, so that the constant temperature control of the graphene heating sheet 2 is realized, and the constant temperature control of the hydrogel 5 can be realized.
The hydrogel 5 covers the edge of the graphene heating sheet 2, and due to the fact that the graphene material has good heat conducting performance, heat generated after the graphene heating sheet 2 is electrified can be rapidly conducted to the hydrogel 5, and the purpose of rapidly preheating the hydrogel paste is achieved; the graphene heating insulation sheet 3 covers the middle of the graphene heating sheet 2 and is used for covering the exposed heating electrode buckle 6 on the graphene heating sheet 2 and avoiding the exposed electrode buckle from contacting with a human body.
In order to increase the acting force of the hydrogel patch on the surface of a human body, the base material 1 is arranged in an X shape or a butterfly shape, the shape design is beneficial to the hydrogel patch to be easily attached to the surface of the human body and not to easily fall off, the corresponding hydrogel 5 is two V-shaped and is respectively arranged on two sides of the base material 1, the hydrogel 5 is long in circumference and not to easily fall off after being adhered to the skin, even if one corner is loosened and falls off, other parts can be firmly adhered to the surface of the skin, particularly, a user who is thin and weak or a user with a protruded skeleton, the conventionally used adhesive patch is easy to fall off, and the firmness is better compared with that of a round shape and a square oval shape which are conventionally used; 5 symmetries of aquogel of two V-arrangements set up, and the centre is equipped with graphite alkene heating insulating piece 3, and graphite alkene heating insulating piece 3 bonds on graphite alkene heating plate 2, and isolated heating electrode detains 6 and control by temperature change electrode knot 4, and graphite alkene insulating piece has certain thickness, keeps apart graphite alkene heating plate 2 and skin top layer, avoids scalding user's skin.
Example (b):
the utility model provides a based on controllable temperature heating hydrogel subsides of graphite alkene, including substrate 1, graphite alkene heating plate 2, heating electrode detains 6, the control by temperature change electrode is detained 4, graphite alkene heating insulating piece 3 and aquogel 5, graphite alkene heating plate 2 fixed bonding sets up in 1 middle part of substrate, the edge of graphite alkene heating plate 2 is covered to aquogel 5, can be for bonding, heating electrode detains 6 and control by temperature change electrode and detains 4 and run through substrate 1 and connect graphite alkene heating plate 2, graphite alkene heating insulating piece 3 covers in 2 middle parts of graphite alkene heating plate, bond on graphite alkene heating plate 2, two heating electrode that the cover symmetry set up detain 6 and control by temperature change electrode detain 4.
The substrate 1 is X-shaped, the hydrogel 5 is two of V-shaped, the shape of the hydrogel 5 is matched with that of the substrate 1, the edge of the hydrogel 54 is flush with the substrate 11 or is arranged on the inner side of the edge of the substrate 11, the hydrogel 54 of the two V-shaped are respectively bonded on two sides of the substrate 11, the inner sides of the two hydrogel 54 are lapped on the graphene heating sheet 22, the upper surface of the graphene heating sheet 22 is covered and bonded with a graphene heating insulation sheet 33, and the graphene heating insulation sheet 33 is arranged between the two hydrogel 54.
Temperature control electrode is detained 4 and is connected with the temperature feedback circuit who contains thermistor, the temperature feedback circuit who contains thermistor sets up in the physiotherapy equipment that matches, two heating electrode are detained 6 and are connected with the heating box of position matching, temperature control electrode is detained 4 and is connected with the temperature control box of position matching, the temperature feedback circuit who contains thermistor is including the power that connects gradually, high accuracy resistance and main control chip module, still include NTC, as shown in figure 5, control by temperature change box intercommunication NTC, feed back temperature information to the temperature feedback circuit who contains thermistor through NTC, receive corresponding temperature information by the temperature feedback input of main control chip module, the power output end control current of rethread main control chip module is exported to the heating box, thereby control graphite alkene heating plate 2 temperature. Above-mentioned each module all can adopt general model, can realize this scheme effect can.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The utility model provides a hydrogel subsides based on controllable temperature heating of graphite alkene which characterized in that: detain, control by temperature change electrode knot, graphite alkene heating insulating piece and aquogel including substrate, graphite alkene heating plate, heating electrode, the graphite alkene heating plate is fixed to be set up the substrate middle part, aquogel covers the edge of graphite alkene heating plate, heating electrode detain with control by temperature change electrode detains and runs through the substrate is connected the graphite alkene heating plate, graphite alkene heating insulating piece covers graphite alkene heating plate middle part.
2. The graphene-based temperature-controllable heating hydrogel patch according to claim 1, characterized in that: the base material is X-shaped, and the two hydrogels are V-shaped and are respectively arranged on two sides of the base material.
3. The graphene-based temperature-controllable heating hydrogel patch according to claim 2, wherein: the graphene heating insulation sheet is arranged between the two hydrogels.
4. The graphene-based temperature-controllable heating hydrogel patch according to claim 3, wherein: the heating electrode buckle comprises two symmetrically arranged heating electrode buckles.
5. The graphene-based temperature-controllable heating hydrogel patch according to claim 4, wherein: the hydrogel shape matches the substrate shape.
6. The graphene-based temperature-controllable heating hydrogel patch according to claim 5, wherein: the temperature control electrode buckle is connected with a temperature feedback circuit comprising a thermistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078507.3U CN211049825U (en) | 2019-07-11 | 2019-07-11 | Hydrogel plaster based on graphene temperature-controllable heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078507.3U CN211049825U (en) | 2019-07-11 | 2019-07-11 | Hydrogel plaster based on graphene temperature-controllable heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211049825U true CN211049825U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921078507.3U Active CN211049825U (en) | 2019-07-11 | 2019-07-11 | Hydrogel plaster based on graphene temperature-controllable heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211049825U (en) |
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2019
- 2019-07-11 CN CN201921078507.3U patent/CN211049825U/en active Active
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