CN115220488A - Bionic skin temperature control method and device - Google Patents
Bionic skin temperature control method and device Download PDFInfo
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- CN115220488A CN115220488A CN202210751945.1A CN202210751945A CN115220488A CN 115220488 A CN115220488 A CN 115220488A CN 202210751945 A CN202210751945 A CN 202210751945A CN 115220488 A CN115220488 A CN 115220488A
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- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 110
- 238000010521 absorption reaction Methods 0.000 claims abstract description 42
- 210000003491 skin Anatomy 0.000 claims description 163
- 238000010438 heat treatment Methods 0.000 claims description 30
- 230000003592 biomimetic effect Effects 0.000 claims description 19
- 210000004207 dermis Anatomy 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 210000001124 body fluid Anatomy 0.000 abstract description 6
- 239000010839 body fluid Substances 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 description 12
- 230000003796 beauty Effects 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 102000008186 Collagen Human genes 0.000 description 2
- 108010035532 Collagen Proteins 0.000 description 2
- 229920001436 collagen Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
- A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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Abstract
The invention provides a bionic skin temperature control method and a bionic skin temperature control device, wherein the method comprises the following steps: acquiring a current temperature value of the bionic skin; judging whether the current temperature value reaches a preset temperature threshold value, and if not, calculating a theoretical heat value required by the bionic skin to reach the preset temperature threshold value; calculating the current actual heat absorption value of the bionic skin; calculating the temperature control time required for the bionic skin to reach the temperature corresponding to the theoretical heat absorption value from the temperature corresponding to the actual heat absorption value according to the theoretical heat value and the actual heat absorption value; calculating the maximum power required by the temperature control device for adjusting the temperature according to the temperature control time; and judging whether the maximum power is larger than a preset limit power, if so, calculating a flow increasing value under the maximum power, and controlling the flow of the liquid flowing through the bionic skin according to the flow increasing value. The invention makes the bionic skin closer to the skin temperature and the body fluid flowing state of the human body, and makes the test result more accurate.
Description
Technical Field
The invention relates to the field of machinery, in particular to a bionic skin temperature control method and device.
Background
In the prior art, a Radio Frequency (RF) beauty instrument penetrates into the dermis layer of human skin through radio frequency electromagnetic waves to generate heat effect on dermis tissue, so that subcutaneous collagen contraction and tensioning and collagen growth and regeneration are promoted, and the effects of wrinkle elimination, skin tightening and growth in the inverse age are achieved. However, the current thermal field distribution research of Radio Frequency (RF) beauty instruments can be basically obtained only by software simulation, and the simulation result is not accurate.
Disclosure of Invention
Based on the problems, the invention provides a bionic skin temperature control method and a bionic skin temperature control device, and solves the technical problems that in the prior art, the thermal field distribution research of a Radio Frequency (RF) beauty instrument can only be basically obtained by software simulation, and the simulation result is inaccurate. The temperature of the bionic skin is controlled by controlling the temperature and the flow speed of the liquid flowing through the bionic skin, so that the temperature of the bionic skin is close to that of the human skin, and the influence of the flow of the human body fluid on the radio frequency heating dermis can be researched.
The invention provides a bionic skin temperature control method, which comprises the following steps:
acquiring a current temperature value of the bionic skin;
judging whether the current temperature value reaches a preset temperature threshold value, if not, calculating a theoretical heat value required by the bionic skin to reach the preset temperature threshold value, and if so, re-acquiring the current temperature value of the bionic skin;
calculating the current actual heat absorption value of the bionic skin;
calculating the temperature control time required by the bionic skin from the temperature corresponding to the actual heat absorption value to the temperature corresponding to the theoretical heat absorption value according to the theoretical heat absorption value and the actual heat absorption value;
calculating the maximum power required by the temperature control device for adjusting the temperature according to the temperature control time;
and judging whether the maximum power is larger than the preset limit power, if so, calculating a flow increase value under the maximum power, controlling the flow of the liquid flowing through the bionic skin according to the flow increase value, controlling the liquid temperature by the temperature control device under the preset limit power, and if not, controlling the liquid temperature by the temperature control device under the maximum power.
In addition, calculating the theoretical heat value required by the bionic skin to reach the preset temperature threshold value comprises:
Q suction tube 1 ＝C 0 m 0 (t Preset temperature threshold value -t Current temperature value )；
Wherein Q is Suction nozzle 1 A theoretical heat value required for the bionic skin to reach a preset temperature threshold value;
C 0 the specific heat capacity of the bionic skin is unit j/kg;
m 0 is the quality of bionic skin.
In addition, calculating the current actual endotherm value of the biomimetic skin comprises:
Q suction 2 ＝C 1 ×|t 2 -t 1 |×Q Streaming ×T 1 ×ρ Liquid, method for producing the same and use thereof ；
Wherein Q Suction nozzle 2 The current actual heat absorption value of the bionic skin;
C 1 is the specific heat capacity of the liquid;
Q flow of Is the flow of liquid flowing through the bionic skin;
T 1 is the liquid flow time;
ρ liquid, method for producing the same and use of the same Is the liquid density;
t 1 the temperature of the liquid before flowing through the bionic skin;
t 2 is the temperature of the liquid after flowing through the biomimetic skin.
In addition, the bionic skin real-following value is calculated according to the theoretical heat value and the actual heat absorption valueThe temperature control time T required for the temperature corresponding to the inter-absorption heat value to reach the temperature corresponding to the theoretical heat value Need to The method comprises the following steps:
further, calculating the maximum power required for the temperature control device to adjust the temperature according to the temperature control time includes:
firstly, judging whether the temperature control time is greater than a preset temperature control time threshold value, if so, calculating the maximum power required by the temperature control device for regulating the temperature, and if not, waiting for T Need to And then judging whether the current temperature value reaches the preset temperature threshold value again.
In addition, the maximum power W required by the temperature control device for adjusting the temperature is calculated Limit for The method comprises the following steps:
calculating the time threshold T at the preset temperature control Limit for Inner bionic skin heat absorption value Q Suction 3 ；
a Rotating device The heat conversion efficiency of the temperature control device.
In addition, the flow increase value Q at maximum power is calculated Streaming The method comprises the following steps:
Q suction tube 4 ＝Q Suction 3 -W Limit of ×U Rotating device ×T Limit of ；
Wherein, C 1 Is the liquid specific heat capacity;
t 1 the temperature of the liquid before flowing through the bionic skin;
t 2 is the temperature of the liquid after flowing through the biomimetic skin.
The invention also provides a bionic skin temperature control device adopting the bionic skin temperature control method, which comprises the following steps:
the liquid pump, the temperature control device, the flow sensor, the bionic skin temperature measuring element, the first temperature sensor and the second temperature sensor are all connected with the control unit, and the liquid pump, the temperature control device, the flow sensor, the bionic skin temperature measuring element, the first temperature sensor and the second temperature sensor also comprise heating pipelines;
the heating pipeline is arranged inside the external bionic skin, the water inlet end of the heating pipeline is connected with the water outlet end of the liquid pump, a temperature control device and a first temperature sensor are further arranged between the heating pipeline and the liquid pump, the water outlet end of the heating pipeline is connected with the water inlet end of the liquid pump, a second temperature sensor and a flow sensor are further arranged between the heating pipeline and the liquid pump, and the bionic skin temperature measuring element is arranged in the bionic skin.
In addition, the bionic skin temperature measuring element is a thermistor, and the thermistor is arranged at the position of the dermis layer of the bionic skin.
In addition, the heating pipeline is arranged in a multiple bending shape in the bionic skin.
The invention also provides a calculation method for taking away heat when liquid flows through the bionic skin, which comprises the following steps:
Q suction device ＝C 1 ×|t 2 -t 1 |×Q Streaming ×T 1 ×ρ Liquid, method for producing the same and use thereof ；
Wherein Q Suction device The current actual heat absorption value of the bionic skin;
C 1 is the specific heat capacity of the liquid;
Q flow of Is the flow of liquid flowing through the bionic skin;
T 1 is the liquid flow time;
ρ liquid, method for producing the same and use thereof Is the liquid density;
t 1 the temperature of the liquid before flowing through the bionic skin;
t 2 is the temperature of the liquid after flowing through the biomimetic skin.
The invention solves the technical problems that the research on the distribution of the thermal field of the Radio Frequency (RF) beauty instrument in the prior art can be basically obtained only by software simulation, and the simulation result is not accurate. The temperature of the bionic skin is controlled by controlling the temperature and the flow speed of the liquid flowing through the bionic skin, so that the temperature of the bionic skin is close to that of the human skin, and the influence of the flow of the human body fluid on the radio frequency heating dermis can be researched.
Drawings
FIG. 1 is a flow chart of a method for controlling the temperature of a biomimetic skin according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a bionic skin temperature control device according to an embodiment of the invention;
fig. 3 is a control schematic diagram of a control device for bionic skin temperature according to an embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to specific embodiments and the attached drawings. It is intended that the present invention not be limited to the particular embodiments disclosed, but that the present invention be limited only by the appended claims.
Referring to fig. 1, the invention provides a bionic skin temperature control method, which comprises the following steps:
s001, acquiring a current temperature value of the bionic skin;
step S002, judging whether the current temperature value reaches a preset temperature threshold value, if not, entering step S003, calculating a theoretical heat value required by the bionic skin to reach the preset temperature threshold value, and if so, acquiring the current temperature value of the bionic skin again;
step S004, calculating the current actual heat absorption value of the bionic skin;
step S005, calculating the temperature control time required for the bionic skin to reach the temperature corresponding to the theoretical heat absorption value from the temperature corresponding to the actual heat absorption value according to the theoretical heat absorption value and the actual heat absorption value;
step S006, calculating the maximum power required by the temperature control device for adjusting the temperature according to the temperature control time;
and S007, judging whether the maximum power is larger than a preset limit power, if so, entering S008, calculating a flow increasing value under the maximum power, controlling the flow of the liquid flowing through the bionic skin according to the flow increasing value, controlling the liquid temperature by the temperature control device under the preset limit power, and if not, entering S009, controlling the liquid temperature by the temperature control device under the maximum power.
The bionic skin can simulate the actual thermal field distribution of the real skin under the action of the radio frequency beauty instrument, and the optimal thermal field distribution of the skin is debugged by adopting the bionic skin to simulate the real skin, so that the efficacy of the beauty instrument is evaluated.
In the invention, the current temperature value of the bionic skin is firstly obtained and compared with a preset temperature threshold value, the preset temperature threshold value is 36.8 ℃, for example, if the preset temperature threshold value is not reached, the theoretical heat value required by the bionic skin to reach the preset temperature threshold value is calculated, and the purpose is to prepare corresponding power for the required heat value. Calculating the current actual heat absorption value of the bionic skin, calculating the temperature control time required for the bionic skin to reach the temperature corresponding to the theoretical heat absorption value from the temperature corresponding to the actual heat absorption value according to the theoretical heat value and the actual heat absorption value, calculating the maximum power required by the temperature control device for adjusting the temperature according to the temperature control time, and judging whether the maximum power is greater than the preset limiting power, wherein the preset limiting power is set to be: preventing too much power from causing the temperature of the liquid to rise too quickly, which would reduce the stability of the entire control system. When the maximum power is larger than the preset limit power, the flow increasing value under the maximum power is calculated, the flow of the liquid flowing through the bionic skin is controlled according to the flow increasing value, and the temperature of the liquid is controlled by the temperature control device under the preset limit power.
The invention solves the technical problems that the research on the distribution of the thermal field of the Radio Frequency (RF) beauty instrument in the prior art can be basically obtained only by software simulation, and the simulation result is not accurate. The temperature of the bionic skin is controlled by controlling the temperature and the flow rate of the liquid flowing through the bionic skin, so that the temperature of the bionic skin is close to that of the human skin, and the influence of the flow of the human body fluid on the radio frequency heating dermis can be researched.
In one embodiment, calculating the theoretical calorific value required for the bionic skin to reach the preset temperature threshold comprises:
Q suction tube 1 ＝C 0 m 0 (t Preset temperature threshold value -t Current temperature value )；
Wherein Q is Suction tube 1 A theoretical heat value required for the bionic skin to reach a preset temperature threshold value;
C 0 the unit is the specific heat capacity of the bionic skin, and j/kg;
m 0 is the quality of bionic skin.
And preparing for subsequent calculation by calculating a theoretical heat value required by the bionic skin to reach a preset temperature threshold value.
In one embodiment, calculating the current actual endotherm value of the biomimetic skin comprises:
Q suction 2 ＝C 1 ×|t 2 -t 1 |×Q Flow of ×T 1 ×ρ Liquid, method for producing the same and use thereof ；
Wherein Q is Suction 2 The current actual heat absorption value of the bionic skin;
C 1 is the specific heat capacity of the liquid;
Q flow of Is the flow of liquid flowing through the bionic skin;
T 1 is the liquid flow time;
ρ liquid, method for producing the same and use thereof Is the liquid density;
t 1 the temperature of the liquid before flowing through the bionic skin;
t 2 is the temperature of the liquid after flowing through the biomimetic skin.
In one embodiment, the temperature control time T required by the bionic skin to reach the temperature corresponding to the theoretical heat absorption value from the temperature corresponding to the actual heat absorption value is calculated according to the theoretical heat absorption value and the actual heat absorption value Need to The method comprises the following steps:
the purpose of calculating the temperature control time is to calculate the maximum power required by the control device to adjust the temperature.
In one embodiment, calculating the maximum power required for the temperature control device to adjust the temperature according to the temperature control time includes:
firstly, judging whether the temperature control time is greater than a preset temperature control time threshold value, if so, calculating the maximum power required by the temperature control device for regulating the temperature, and if not, waiting for T Need to And then judging whether the current temperature value reaches the preset temperature threshold value again. The preset temperature control time threshold is, for example, 60s. And adjusting the power of the temperature control device according to the temperature control time.
In one embodiment, the maximum power W required by the temperature control device to adjust the temperature is calculated Limit for The method comprises the following steps:
calculating the time threshold T at the preset temperature control Limit of Inner bionic skin heat absorption value Q Suction 3 ；
a Rotating shaft The heat conversion efficiency of the temperature control device.
Here T 1 In units of time, for example 10ms.
In one embodiment, the flow increase Q at maximum power is calculated Flow of The method comprises the following steps:
Q suction 4 ＝Q Suction 3 -W Limit of ×U Rotating device ×T Limit of ；
Wherein, C 1 Is the liquid specific heat capacity;
t 1 the temperature of the liquid before flowing through the bionic skin;
t 2 is the temperature of the liquid after it has passed through the biomimetic skin.
In order to prevent the temperature control device from working unstably due to the fact that the temperature of the liquid is increased too much due to the fact that the power of the temperature control device is too large, the temperature is controlled by increasing the flow rate of the liquid. Alternatively, the liquid flow rate is regulated by a liquid pump, and the liquid flow rate is regulated by regulating the power of the liquid pump.
Alternatively, the liquid pump is adjusted to the corresponding power by querying a look-up table of liquid flow rate versus liquid pump power.
Referring to fig. 2 and 3, the present invention further provides a bionic skin temperature control device using the bionic skin temperature control method described in any one of the above, including:
the liquid pump, the temperature control device, the flow sensor, the bionic skin temperature measuring element, the first temperature sensor and the second temperature sensor are all connected with the control unit, and the liquid pump, the temperature control device, the flow sensor, the bionic skin temperature measuring element, the first temperature sensor and the second temperature sensor also comprise heating pipelines;
the heating pipeline is arranged inside the bionic skin outside, the water inlet end of the heating pipeline is connected with the water outlet end of the liquid pump, a temperature control device and a first temperature sensor are further arranged between the heating pipeline and the liquid pump, the water outlet end of the heating pipeline is connected with the water inlet end of the liquid pump, a second temperature sensor and a flow sensor are further arranged between the heating pipeline and the liquid pump, and the bionic skin temperature measuring element is arranged in the bionic skin.
Optionally, the control device further comprises an operation display unit. The operation display unit is connected with the control unit, receives an external instruction and receives the instruction of the control unit to display data, such as the temperature data of the bionic skin.
The flow sensor is used for acquiring the flow of the liquid flowing through the bionic skin. The temperature control device is used for adjusting the temperature of liquid, and can heat and refrigerate. The bionic skin temperature measuring element is used for testing the temperature inside the bionic skin so as to feed back the temperature to the control unit. The first temperature sensor and the second temperature sensor respectively test the temperature of the liquid flowing through the bionic skin in front of and behind. The liquid pump is used for inputting and outputting the circulating liquid. The heating pipeline is used for heating or cooling the temperature of the bionic skin.
The invention solves the technical problems that the research on the distribution of the thermal field of the Radio Frequency (RF) beauty instrument in the prior art can be basically obtained only by software simulation, and the simulation result is inaccurate. The temperature of the bionic skin is controlled by controlling the temperature and the flow rate of the liquid flowing through the bionic skin, so that the temperature of the bionic skin is close to that of the human skin, and the influence of the flow of the human body fluid on the radio frequency heating dermis can be researched.
In one embodiment, the bionic skin temperature measuring element is a thermistor, and the thermistor is arranged at the position of a dermis layer of the bionic skin. The thermistor test is more accurate, can provide more accurate result, simultaneously the sexual valence relative altitude. The thermistor is mainly used for testing the temperature rise of the skin position of the dermis layer, so the thermistor is arranged at the dermis layer position of the bionic skin.
In one embodiment, the heating conduit is arranged in multiple bends inside the bionic skin.
The heating pipeline is arranged in the bionic skin in a multiple bending shape. The heating pipeline is arranged in a multi-bending shape, so that the temperature in the skin can be uniformly increased, and the temperature at each position can be balanced.
The invention also provides a calculation method for taking away heat when liquid flows through the bionic skin, which comprises the following steps:
Q suction device ＝C 1 ×|t 2 -t 1 |×Q Flow of ×T 1 ×ρ Liquid, method for producing the same and use of the same ；
Wherein Q is Suction device The current actual heat absorption value of the bionic skin;
C 1 is the specific heat capacity of the liquid;
Q streaming Is the flow of liquid flowing through the bionic skin;
T 1 is the liquid flow time;
ρ liquid, method for producing the same and use thereof Is the liquid density;
t 1 the temperature of the liquid before flowing through the bionic skin;
t 2 is the temperature of the liquid after flowing through the biomimetic skin.
The temperature of the bionic skin is controlled by controlling the temperature and the flow rate of the liquid flowing through the bionic skin, so that the temperature of the bionic skin is close to that of the human skin, and the influence of the flow of the human body fluid on the radio frequency heating dermis is researched.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (11)
1. A method for controlling the temperature of bionic skin is characterized by comprising the following steps:
acquiring a current temperature value of the bionic skin;
judging whether the current temperature value reaches a preset temperature threshold value or not, if not, calculating a theoretical heat value required by the bionic skin to reach the preset temperature threshold value, and if so, acquiring the current temperature value of the bionic skin again;
calculating the current actual heat absorption value of the bionic skin;
calculating the temperature control time required by the bionic skin from the temperature corresponding to the actual heat absorption value to the temperature corresponding to the theoretical heat absorption value according to the theoretical heat absorption value and the actual heat absorption value;
calculating the maximum power required by the temperature control device for adjusting the temperature according to the temperature control time;
and judging whether the maximum power is larger than the preset limit power, if so, calculating a flow increase value under the maximum power, controlling the flow of the liquid flowing through the bionic skin according to the flow increase value, controlling the liquid temperature by the temperature control device under the preset limit power, and if not, controlling the liquid temperature by the temperature control device under the maximum power.
2. The method for controlling the temperature of a biomimetic skin according to claim 1,
the theoretical heat value required by the bionic skin to reach the preset temperature threshold value is calculated by the following steps:
Q suction nozzle 1 ＝C 0 m 0 (t Preset temperature threshold value -t Current temperature value )；
Wherein Q Suction tube 1 A theoretical heat value required for the bionic skin to reach a preset temperature threshold value;
C 0 the specific heat capacity of the bionic skin is unit j/kg;
m 0 is the quality of bionic skin.
3. The method for controlling the temperature of biomimetic skin according to claim 2,
calculating the current actual heat absorption value of the bionic skin comprises the following steps:
Q suction 2 ＝C 1 ×|t 2 -t 1 |×Q Streaming ×T 1 ×ρ Liquid, method for producing the same and use thereof ；
Wherein Q Suction nozzle 2 The current actual heat absorption value of the bionic skin;
C 1 is the specific heat capacity of the liquid;
Q streaming Is the flow of liquid flowing through the bionic skin;
T 1 is the liquid flow time;
ρ liquid, method for producing the same and use thereof Is the liquid density;
t 1 the temperature of the liquid before flowing through the bionic skin;
t 2 is the temperature of the liquid after flowing through the biomimetic skin.
4. The biomimetic skin temperature control method of claim 3,
calculating the temperature control time T required by the bionic skin from the temperature corresponding to the actual heat absorption value to the temperature corresponding to the theoretical heat absorption value according to the theoretical heat value and the actual heat absorption value Need to The method comprises the following steps:
5. the method for controlling the temperature of biomimetic skin according to claim 4,
calculating the maximum power required by the temperature control device to adjust the temperature according to the temperature control time comprises the following steps:
first, it is judgedWhether the temperature control time is greater than a preset temperature control time threshold value or not, if yes, calculating the maximum power required by the temperature control device for adjusting the temperature, and if not, waiting for T Need to And then judging whether the current temperature value reaches the preset temperature threshold value again.
6. The method for controlling the temperature of biomimetic skin according to claim 5,
calculating the maximum power W required by the temperature control device to regulate the temperature Limit of The method comprises the following steps:
calculating the time threshold T at the preset temperature control Limit for Inner bionic skin heat absorption value Q Suction 3 ；
a Rotating shaft The heat conversion efficiency of the temperature control device.
7. The method for controlling the temperature of biomimetic skin according to claim 6,
calculating the flow increase value Q at maximum power Streaming The method comprises the following steps:
Q suction 4 ＝Q Suction 3 -W Limit of ×U Rotating device ×T Limit of ；
Wherein, C 1 Is the liquid specific heat capacity;
t 1 the temperature of the liquid before flowing through the bionic skin;
t 2 is the temperature of the liquid after it has passed through the biomimetic skin.
8. A bionic skin temperature control device using the bionic skin temperature control method according to any one of claims 1 to 7, comprising:
the liquid pump, the temperature control device, the flow sensor, the bionic skin temperature measuring element, the first temperature sensor and the second temperature sensor are all connected with the control unit, and the liquid pump, the temperature control device, the flow sensor, the bionic skin temperature measuring element, the first temperature sensor and the second temperature sensor also comprise heating pipelines;
the heating pipeline is arranged inside the external bionic skin, the water inlet end of the heating pipeline is connected with the water outlet end of the liquid pump, a temperature control device and a first temperature sensor are further arranged between the heating pipeline and the liquid pump, the water outlet end of the heating pipeline is connected with the water inlet end of the liquid pump, a second temperature sensor and a flow sensor are further arranged between the heating pipeline and the liquid pump, and the bionic skin temperature measuring element is arranged in the bionic skin.
9. The bionic skin temperature control device according to claim 8,
the bionic skin temperature measuring element is a thermistor, and the thermistor is arranged at the position of a dermis layer of the bionic skin.
10. The biomimetic skin temperature control apparatus of claim 8,
the heating pipeline is arranged in the bionic skin in a multiple bending shape.
11. A calculation method for taking away heat when liquid flows through bionic skin is characterized by comprising the following steps:
Q suction device ＝C 1 ×|t 2 -t 1 |×Q Flow of ×T 1 ×ρ Liquid, method for producing the same and use thereof ；
Wherein Q is Suction device The current actual heat absorption value of the bionic skin;
C 1 is the specific heat capacity of the liquid;
Q streaming Is the flow of liquid flowing through the bionic skin;
T 1 is the liquid flow time;
ρ liquid, method for producing the same and use thereof Is the liquid density;
t 1 the temperature of the liquid before flowing through the bionic skin;
t 2 is the temperature of the liquid after it has passed through the biomimetic skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210751945.1A CN115220488B (en) | 2022-06-28 | 2022-06-28 | Bionic skin temperature control method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210751945.1A CN115220488B (en) | 2022-06-28 | 2022-06-28 | Bionic skin temperature control method and device |
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| Publication Number | Publication Date |
|---|---|
| CN115220488A true CN115220488A (en) | 2022-10-21 |
| CN115220488B CN115220488B (en) | 2023-11-21 |
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| CN115220488B (en) | 2023-11-21 |
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