CN106023768B - Novel body warming dummy system - Google Patents
Novel body warming dummy system Download PDFInfo
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- CN106023768B CN106023768B CN201610631456.7A CN201610631456A CN106023768B CN 106023768 B CN106023768 B CN 106023768B CN 201610631456 A CN201610631456 A CN 201610631456A CN 106023768 B CN106023768 B CN 106023768B
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- 238000010792 warming Methods 0.000 title claims abstract description 14
- 210000004243 sweat Anatomy 0.000 claims abstract description 33
- 230000036760 body temperature Effects 0.000 claims abstract description 31
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 31
- 238000005485 electric heating Methods 0.000 claims description 45
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 44
- 239000000428 dust Substances 0.000 claims description 29
- 239000012510 hollow fiber Substances 0.000 claims description 25
- 210000004072 lung Anatomy 0.000 claims description 25
- 210000003128 head Anatomy 0.000 claims description 23
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 22
- 239000001569 carbon dioxide Substances 0.000 claims description 22
- 235000013341 fat substitute Nutrition 0.000 claims description 21
- 239000003778 fat substitute Substances 0.000 claims description 21
- 239000012982 microporous membrane Substances 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 16
- 238000009529 body temperature measurement Methods 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 10
- 210000003928 nasal cavity Anatomy 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 2
- 230000003750 conditioning effect Effects 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000006467 substitution reaction Methods 0.000 abstract description 3
- 210000000038 chest Anatomy 0.000 description 14
- 230000006870 function Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 108010066114 cabin-2 Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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Abstract
The invention discloses a novel body warming dummy system which comprises a dummy body, a body temperature adjusting device, a breathing adjusting device and a sweat adjusting device, wherein the body temperature adjusting device, the breathing adjusting device and the sweat adjusting device are respectively connected with the dummy body, the body temperature adjusting device is used for adjusting the body temperature of the dummy body, the breathing adjusting device is used for adjusting the breathing of the dummy body, and the sweat adjusting device is used for adjusting the body surface sweat of the dummy body. The system can simultaneously simulate the surface heating and core temperature of a human body, simulate the surface moisture of the human body and simulate the breathing process of the human body, and can be used for various thermal comfort and air quality experiments and human body substitution experiments.
Description
Technical Field
The invention belongs to the technical field of a body warming dummy, and particularly relates to a novel body warming dummy system.
Background
Thermal manikins were the technology developed since the 40 s of the 20 th century. At present, a lot of research is being conducted by many institutions, and some countries have applied this advanced technology to the fields of textile, occupational health, environment, fire protection, petroleum, traffic safety, aerospace, construction, etc.
The warm-up dummy is an instrument for simulating heat and moisture exchange between a human body and the environment, has the advantages of high accuracy, reusability, easiness in adjustment and the like, and can replace a real person to carry out experiments under the high-risk and severe environment. Hitherto, the basic structure of a warm-body dummy is that a dummy body is divided into a plurality of sections, and a certain material is selected to be made into a human body model like a real human body. The manufacturing materials can be divided into: copper warm-up dummy, cast aluminum warm-up dummy, and glass fiber reinforced plastic warm-up dummy. According to its use, it can be divided into: dry warm-up dummy, sweating warm-up dummy, breathable warm-up dummy, and submersible warm-up dummy.
At present, dry-type body-warming dummy is mature and mainly used for simulating the heating function of human body. With the development of science and technology, the demand of the wet-type warm-body dummy is gradually increased, the dry-type warm-body dummy is structurally covered with a layer of skin, moisture is generated on the surface of the skin through various methods, and the principle of the dry-type warm-body dummy is that the function of dissipating the moisture is added on the basis of the function of simulating the heating of the human body. However, the development of a warm-body dummy with a breathing function is slow, and the warm-body dummy is always an important challenge for scientific researchers. Meanwhile, the body warming dummy system with the breathing function, which integrates the three functions together, is more rarely reported.
Disclosure of Invention
The invention provides a novel body warming dummy system which can simultaneously have the functions of simulating the surface heating and core temperature of a human body, simulating the surface moisture of the human body and simulating the breathing process of the human body, and can be used for various thermal comfort and air quality experiments and human body substitution experiments.
In order to achieve the purpose of the invention, the novel body warming dummy system adopted by the embodiment of the invention comprises a dummy body, a body temperature adjusting device, a breathing adjusting device and a sweat adjusting device, wherein the body temperature adjusting device, the breathing adjusting device and the sweat adjusting device are respectively connected with the dummy body, the body temperature adjusting device is used for adjusting the body temperature of the dummy body, the breathing adjusting device is used for adjusting the breathing of the dummy body, and the sweat adjusting device is used for adjusting the body surface sweat of the dummy body.
As a preferred example, the dummy body comprises a shell, microporous membrane fabric skin arranged outside the shell, artificial fat, an electric heating film and a hollow fiber artificial lung and dust collector arranged inside the shell, wherein the electric heating film is attached to the outer surface of the shell, the artificial fat is attached to the electric heating film, the microporous membrane fabric skin is fixedly connected with the artificial fat, and an air spacing layer is arranged between the microporous membrane fabric skin and the artificial fat; the hollow fiber artificial lung is fixedly connected to the inner wall of the shell, and the dust collector is connected to the lower part of the hollow fiber artificial lung; one end of the hollow fiber artificial lung is communicated with the nasal cavity on the shell through a pipeline, and the other end of the hollow fiber artificial lung is communicated with one end of the dust collector.
As a preferred example, the body temperature adjusting device comprises a data acquisition instrument and a stabilized voltage power supply, wherein the input end of the data acquisition instrument is connected with the data acquisition point of the dummy body, the output end of the data acquisition instrument is connected with the input end of the measurement and control system, the input end of the stabilized voltage power supply is respectively connected with the power supply and the output end of the measurement and control system, and the output end of the stabilized voltage power supply is connected with the electric heating film.
As a preferred example, the data acquisition points of the dummy body comprise a back temperature measurement point located at the back of the dummy body, a core temperature measurement point located at the center of the chest cavity of the dummy body, a head temperature measurement point located at the head of the dummy body, an arm temperature and humidity measurement point located at the arm of the dummy body, and a leg temperature measurement point located at the leg of the dummy body; the first input end of the data acquisition instrument is connected with the head temperature measuring point, the second input end of the data acquisition instrument is connected with the arm temperature and humidity measuring point, the third input end of the data acquisition instrument is connected with the leg temperature measuring point, the fourth input end of the data acquisition instrument is connected with the core temperature measuring point, and the fifth input end of the data acquisition instrument is connected with the back temperature measuring point.
As a preferred example, the electric heating films comprise a front chest electric heating film and a back electric heating film which are positioned at the front chest and the back of the dummy body, a head electric heating film which is positioned at the head of the dummy body, a leg electric heating film which is positioned at the leg of the dummy body, a left arm electric heating film which is positioned at the left arm of the dummy body and a right arm electric heating film which is positioned at the right arm of the dummy body; the first output end of the voltage-stabilizing power supply is connected with the front chest and the back electric heating film, the second output end of the voltage-stabilizing power supply is connected with the head electric heating film, the third output end of the voltage-stabilizing power supply is connected with the leg electric heating film, the fourth output end of the voltage-stabilizing power supply is connected with the left arm electric heating film, and the fifth output end of the voltage-stabilizing power supply is connected with.
Preferably, the first output terminal, the second output terminal, the third output terminal, the fourth output terminal and the fifth output terminal of the regulated power supply are independently regulated.
As a preferred example, the breathing adjusting device comprises an inspiration simulator, an expiration simulator, a carbon dioxide generator and a gas cabin; the air suction simulator comprises a first box body, an air suction fan and a first air valve, wherein the air suction fan and the first air valve are arranged in the first box body; the air bin is internally provided with an air hole which is connected with the other end of the dust collector through a first pipeline; the expiration simulator comprises a second box body, and an expiration fan, a second air valve and a third air valve which are arranged in the second box body, wherein the second box body is communicated with the outside through the third air valve, the output end of the second box body is communicated with the air bin, and the second air valve is positioned in the output end of the second box body; and a carbon dioxide distributor of the carbon dioxide generator is positioned in the second box body and is positioned between the second air valve and the expiration fan.
As a preferred example, the first air valve, the second air valve and the third air valve are all electric air valves; the air suction fan and the air expiration fan are both variable frequency fans; the air hole is connected with the other end of the dust collector through a rubber hose or a metal hose.
Preferably, in the air chamber, the air input quantity entering the air chamber through the expiration simulator and the carbon dioxide generator is equal to the air output quantity leaving the air chamber through the inspiration simulator.
Preferably, the sweat regulating device comprises a high-pressure sprayer, and the output end of the high-pressure sprayer is connected with the microporous membrane fabric skin and is communicated with the air spacer layer.
The invention has the beneficial effects that: the body warming dummy system provided by the embodiment of the invention has the functions of simulating the surface heating and core temperature of the human body, simulating the surface moisture of the human body and simulating the breathing process of the human body, and can be used for various thermal comfort and air quality experiments and human body substitution experiments. The system provided by the embodiment of the invention is provided with a body temperature adjusting device, a breathing adjusting device and a sweat adjusting device, wherein the body temperature adjusting device is used for adjusting the body temperature of the dummy body 1, the breathing adjusting device is used for adjusting the breathing of the dummy body 1, and the sweat adjusting device is used for adjusting the body surface sweat of the dummy body 1. Thus, three functions of regulating breath, sweat and body temperature are realized in the same dummy system.
Drawings
FIG. 1 is a schematic side view of an embodiment of the present invention;
fig. 2 is a schematic front view of an embodiment of the present invention.
The figure shows that: the artificial body 1, a microporous membrane fabric skin 1a, artificial fat 1b, an electrothermal film 1c, a shell 1d, a hollow fiber artificial lung 1e, a dust collector 1f, a nasal cavity 1g, a chest and back electrothermal film 1j, a head electrothermal film 1k, a leg electrothermal film 1l, a left arm electrothermal film 1m, a right arm electrothermal film 1n, a functional cabinet 2, a data acquisition instrument 2a, a voltage-stabilized power supply 2b, a high-pressure sprayer 2c, an inhalation simulator 2d, an exhalation simulator 2e, a carbon dioxide generator 2f, a first input end 2g, a second input end 2i, a third input end 2j, a fourth input end 2k, a fifth input end 2l, a first output end 2m, a second output end 2n, a third output end 2o, a fourth output end 2p, a fifth output end 2q, an output end 2r of the high-pressure sprayer, an air hole 2s, a first air valve 2t, a second air valve 2u, the device comprises an air suction fan 2v, a carbon dioxide distributor 2w, an air expiration fan 2x, a third air valve 2y, an air bin 2z, an input end 2aa of a first box body, an output end 2bb of a second box body, an output end 2cc of an air suction simulator, a back temperature measuring point 3a, a core temperature measuring point 3b, a head temperature measuring point 3c, an arm temperature and humidity measuring point 3d and a leg temperature measuring point 3 e.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the novel body warming dummy system according to the embodiment of the present invention includes a dummy body 1, a body temperature adjusting device, a breathing adjusting device and a sweat adjusting device, wherein the body temperature adjusting device, the breathing adjusting device and the sweat adjusting device are respectively connected to the dummy body 1, the body temperature adjusting device is used for adjusting the body temperature of the dummy body 1, the breathing adjusting device is used for adjusting the breathing of the dummy body 1, and the sweat adjusting device is used for adjusting the body surface sweat of the dummy body 1.
The novel body warming dummy system of the embodiment adjusts the body temperature of the dummy body 1 through the body temperature adjusting device, the breathing adjusting device adjusts the breathing of the dummy body 1, and the sweat adjusting device adjusts the body surface sweat of the dummy body 1. Thus, the dummy system is realized, and the dummy system has three functions of adjusting body temperature, breathing and sweat. Meanwhile, the three functions can work simultaneously, and the effect of imitating a real person is achieved.
The body temperature adjusting means, the breath adjusting means and the sweat adjusting means may be provided in the functional cabinet 2 located outside the dummy body 1. Through functional cabinet 2, be in the same place body temperature adjusting device, breathe adjusting device and sweat adjusting device are integrated, are convenient for control to and the installation and the debugging of equipment.
As a preferred example, the dummy body 1 comprises a shell 1d, a microporous membrane fabric skin 1a, artificial fat 1b, an electric heating film 1c arranged outside the shell 1d, a hollow fiber artificial lung 1e and a dust collector 1f arranged inside the shell 1d, wherein the electric heating film 1c is attached to the outer surface of the shell 1d, the artificial fat 1b is attached to the electric heating film 1c, the microporous membrane fabric skin 1a is fixedly connected with the artificial fat 1b, and an air spacing layer is arranged between the microporous membrane fabric skin 1a and the artificial fat 1 b; the hollow fiber artificial lung 1e is fixedly connected to the inner wall of the shell 1d, and the dust collector 1f is connected to the lower part of the hollow fiber artificial lung 1 e; one end of the hollow fiber artificial lung 1e is communicated with the nasal cavity on the shell 1d through a pipeline, and the other end of the hollow fiber artificial lung 1e is communicated with one end of the dust collector 1 f.
In the preferred embodiment, the housing 1d is formed in a single piece. The microporous membrane fabric skin 1a, the artificial fat 1b and the electric heating film 1c are arranged on the outer side of the shell 1d, so that two functions of regulating body temperature and sweat are realized. The respiratory function is adjusted by arranging a hollow fiber artificial lung 1e and a dust collector 1f inside the housing 1 d.
When realizing body temperature regulatory function, body temperature adjusting device include data acquisition appearance 2a and constant voltage power supply 2b, the input of data acquisition appearance 2a is connected with dummy body 1's data acquisition point, data acquisition appearance 2 a's output is connected with observing and controling the system input, constant voltage power supply 2 b's input is connected with power and observing and controlling system output respectively, constant voltage power supply 2 b's output and electric heat membrane 1c are connected. Through the temperature on the data acquisition point of gathering dummy body 1 to in transmitting the system of observing and controling, by observing and controling the system after data processing, adjust the voltage value of constant voltage power supply 2b to electric heat membrane 1c output, make electric heat membrane 1c generate heat the back, the temperature of dummy body 1 is close the setting value.
In the body temperature adjusting device, the data acquisition points of the dummy body 1 comprise a back temperature measuring point 3a positioned at the back of the dummy body 1, a core temperature measuring point 3b positioned at the center of the chest of the dummy body 1, a head temperature measuring point 3c positioned at the head of the dummy body 1, an arm temperature and humidity measuring point 3d positioned at the arm of the dummy body 1, and a leg temperature measuring point 3e positioned at the leg of the dummy body 1. Back temperature measurement point 3a, core temperature measurement point 3b, head temperature measurement point 3c, and leg temperature measurement point 3e can be configured as thermocouples, thermistors, or platinum resistors. The arm temperature and humidity measuring point 3d can be set as a temperature and humidity sensor. A first input end 2g of the data acquisition instrument 2a is connected with a head temperature measuring point 3c, a second input end 2i is connected with an arm temperature and humidity measuring point 3d, a third input end 2j is connected with a leg temperature measuring point 3e, a fourth input end 2k is connected with a core temperature measuring point 3b, and a fifth input end 2l is connected with a back temperature measuring point 3 a. Data acquisition points are respectively arranged on the back, the chest cavity, the head, the arms and the legs of the dummy body 1, so that the temperature of the dummy body can be measured more accurately, the limitation of temperature measurement caused by the fact that the data acquisition points are only arranged locally is avoided, and the accuracy of temperature regulation is influenced.
The distribution position of the electric heating film 1c can be various, in order to accurately realize the control of the temperature of the dummy body 1, the electric heating film 1c comprises a chest electric heating film 1j at the chest and the back of the dummy body 1, a head electric heating film 1k at the head of the dummy body 1, a leg electric heating film 1l at the leg of the dummy body 1, a left arm electric heating film 1m at the left arm of the dummy body 1, and a right arm electric heating film 1n at the right arm of the dummy body 1. First output end 2m of constant voltage power supply 2b be connected with chest and back electric heat membrane 1j, second output end 2n is connected with head electric heat membrane 1k, third output end 2o is connected with shank electric heat membrane 1l, fourth output end 2p is connected with left arm electric heat membrane 1m, fifth output end 2q is connected with right arm electric heat membrane 1 n. The electric heating films 1c are arranged at five different positions of the dummy body 1, and the electric heating films 1c at the five different positions are respectively connected with five output ends of the stabilized voltage power supply 2 b. The heating degree of the electric heating film 1c is controlled by the voltage-stabilized power supply 2 b.
Because the temperature difference of different positions of the dummy body 1 may be large, that is, the temperature of each part of the dummy body 1 cannot be regulated and controlled in the same range, preferably, the first output end 2m, the second output end 2n, the third output end 2o, the fourth output end 2p and the fifth output end 2q of the regulated power supply 2b are regulated independently. The voltage regulation is independently carried out through five output terminals to constant voltage power supply 2b to independently carry out temperature regulation to five electric heat membranes of dummy body 1, make the whole temperature of dummy body 1 be close to the set temperature value.
As a preferred example, the breathing regulation device includes an inhalation simulator 2d, an exhalation simulator 2e, a carbon dioxide generator 2f, and a gas cabin 2 z. The inhalation simulator 2d is used to realize inhalation of the dummy body 1. The exhalation simulator 2e is used to realize exhalation of the dummy body 1.
The air suction simulator 2d comprises a first box body, an air suction fan 2v and a first air valve 2t, wherein the air suction fan 2v and the first air valve 2t are arranged in the first box body, an input end 2aa of the first box body is communicated with an air bin 2z, and the first air valve 2t is positioned in the input end 2aa of the first box body; an air hole 2s is arranged in the air bin 2z, and the air hole 2s is connected with the other end of the dust collector 1f through a first pipeline.
When needing to inhale, open and inhale fan 2v, first blast gate 2t is in the open mode, and gas gets into first box from gas storehouse 2z to carry the external world from the output of first box. The air chamber 2z is in a negative pressure state, so that the external air enters the hollow fiber artificial lung 1e and the dust collector 1f from the nasal cavity of the dummy body 1, the dust in the air is filtered by the dust collector 1f, and flows into the air chamber 2z from the dust collector 1f, and then flows into the first box body from the air chamber 2 z. This achieves the suction function.
The expiration simulator 2e comprises a second box body, an expiration fan 2x, a second air valve 2u and a third air valve 2y, wherein the expiration fan 2x, the second air valve 2u and the third air valve 2y are arranged in the second box body, the second box body is communicated with the outside through the third air valve 2y, an output end 2bb of the second box body is communicated with an air bin 2z, and the second air valve 2u is positioned in the output end 2bb of the second box body.
When the user needs to exhale, the exhalation fan 2x is started, and the second air valve 2u and the third air valve 2y are both in an open state. The air enters the second box body from the outside, is conveyed into the air bin 2z from the output end of the second box body, sequentially passes through the dust collector 1f and the hollow fiber artificial lung 1e, and is exhaled from the nasal cavity of the dummy body 1 to the outside. Thus, the exhalation function is realized. At the time of exhalation, the first damper 2t is in a closed state. Also at the time of air suction, the second damper 2u and the third damper 2y are both in the closed state.
In the above preferred embodiment, the carbon dioxide distributor 2w of the carbon dioxide generator 2f is located in the second box and between the second air valve 2u and the expiratory air fan 2 x. Since the content of carbon dioxide in the exhaled air is high when a real person exhales, in order to simulate the exhalation of the real person, the respiration adjustment device is provided with the carbon dioxide generator 2f, and the carbon dioxide distributor 2w is arranged in the exhalation simulator 2 e. Thus, the carbon dioxide gas generated by the carbon dioxide generator 2f enters the second box body, is mixed with the air entering the second box body from the outside, enters the air bin 2z from the output end 2bb of the second box body, sequentially passes through the dust collector 1f and the hollow fiber artificial lung 1e, and is exhaled from the nasal cavity of the dummy body 1.
In the above preferred embodiment, the first air valve 2t, the second air valve 2u and the third air valve 2y are all electric air valves; the inspiration fan 2v and the expiration fan 2x are both variable frequency fans; the air hole 2s is connected to the other end of the dust collector 1f through a rubber hose or a metal hose. In addition, in the gas cabin 2z, the amount of intake air that enters the gas cabin 2z through the exhalation simulator 2e and the carbon dioxide generator 2f is equal to the amount of exhaust air that exits the gas cabin 2z through the inhalation simulator 2 d. Therefore, the human breath can be simulated more accurately.
Preferably, the sweat regulating device comprises a high-pressure sprayer 2c, and the output end 2r of the high-pressure sprayer is connected with the microporous membrane fabric skin 1a and is communicated with the air spacer layer. When the sweat of the human body needs to be adjusted, the high-pressure sprayer 2c is turned on, the mist enters the air spacing layer and flows in the air spacing layer, the mist can be uniformly dispersed, and the sweat can be adjusted by permeating out the microporous membrane fabric skin 1 a. The working time of the high pressure sprayer 2c can be extended when more sweat is needed. The operating pressure of the high pressure sprayer 2c may be reduced when less sweat is required.
When the warm body dummy system of the above embodiment is operated,
collecting temperature information of a back temperature measuring point 3a, a core temperature measuring point 3b, a head temperature measuring point 3c, an arm temperature and humidity measuring point 3d and a leg temperature measuring point 3e by using a data collector 2a, and transmitting the temperature information to a measurement and control system; after the temperature information is processed by the measurement and control system, the regulated power supply 2b is regulated and controlled, so that the first output end 2m, the second output end 2n, the third output end 2o, the fourth output end 2p and the fifth output end 2q of the regulated power supply 2b output voltages; the electric heating film 1c generates heat under the action of the voltage-stabilized power supply 2b, so that the heat productivity of different parts of a human body is simulated. Meanwhile, the data acquisition instrument 2a acquires the humidity of the temperature and humidity measuring point 3d of the arm, the high-pressure sprayer 2c adjusts the spraying amount according to the humidity acquired by the data acquisition instrument 2a, and high-pressure spraying enters an air space layer between the microporous membrane fabric skin 1a and the artificial fat 1b so as to simulate the humidity of the surface of a human body.
When the dummy body 1 inhales, an inhaling fan 2v in the inhaling simulator 2d is started, a first air valve 2t is opened, an exhaling fan 2x in the exhaling simulator 2e stops working, a second air valve 2u and a third air valve 2y are closed, air is inhaled from the nasal cavity of the dummy body 1, after the air enters the hollow fiber artificial lung 1e, dust particles in the air are adsorbed by the hollow fiber artificial lung 1e or are settled in a dust collector 1f, and the air flows to an air hole 2s from the dust collector 1f and enters an air bin 2 z; the air in the air box 2z is discharged from the output end 2cc of the intake simulator by the intake fan 2 v. When the dummy body 1 exhales, the inspiration fan 2v in the inspiration simulator 2d stops working, and the first air valve 2t is closed; the exhalation fan 2x in the exhalation simulator 2e is opened, the second air valve 2u is opened, the third air valve 2y is partially opened, the carbon dioxide generated by the carbon dioxide generator 2f is sent into the exhalation simulator 2e by the carbon dioxide distributor 2w, is mixed with the air entering from the third air valve 2y and enters the air bin 2z, the mixed gas in the air bin 2z flows to the dust collector and the hollow fiber artificial lung 1e through the air holes 2s under the action of the exhalation fan 2x, and when the mixed gas flows through the dust collector 1f and the hollow fiber artificial lung 1e, the unadsorbed dust particles are taken out of the hollow fiber artificial lung 1e together and are exhaled by the nasal cavity 1g of the dummy body 1.
The thicknesses of the artificial fat 1b and the shell 1d are determined by the ratio of the back temperature measuring point 3a to the core temperature measuring point 3b, and the specific determination process is as follows:
the heat transfer quantity from the electric heating film 1c to the outer part and the inner part of the dummy body 1 is approximately equal, and can be obtained according to a heat transfer formula:
in the formula: q is the heat productivity of the electric heating film 1j of the chest and the back; a is the area of the electric heating film 1j on the chest and the back; h is1The heat exchange coefficient between the microporous membrane fabric skin 1a and the artificial fat 1 b; t is tf1Is the temperature at back temperature measurement point 3 a; t is tw1The temperature of the outer surface of the artificial fat 1 b; t is tw2The temperature of the electric heating film 1j of the chest and the back; h is2Is the heat exchange coefficient between the shell 1d and the core temperature measuring point 3 b; t is tf2The temperature of the core temperature measurement point 3 b; t is tw3Is the temperature of the inner surface of the casing 1d；λ1Thermal conductivity of artificial fat 1 b; delta1Is the thickness of the artificial fat 1 b; lambda [ alpha ]2The thermal conductivity of the case 1 d; delta2Is the thickness of the case 1 d.
Wherein,
PT (10)
tw2＝QR/U2Formula (11)
In the formula, P is the power of an electrothermal film 1j on the chest and the back; t is heating time; r is the resistance of the electric heating film 1j on the chest and the back; u is the voltage of the electric heating film 1j of the chest and the back.
In the formula, A, h1，h2，λ1，λ2R is a constant value; t is tw1，tw3Is an intermediate amount; p, T and U are measured by a measurement and control system; q, tw2Calculating through a measurement and control system; t is tf1，tf2Respectively measuring through a back temperature measuring point 3a and a core temperature measuring point 3 b; delta1，δ2For determining the ratio of the thickness of the artificial fat 1b to the thickness of the shell 1 d.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A novel body warming dummy system is characterized by comprising a dummy body (1), a body temperature adjusting device, a breathing adjusting device and a sweat adjusting device, wherein the body temperature adjusting device, the breathing adjusting device and the sweat adjusting device are respectively connected with the dummy body (1), the body temperature adjusting device is used for adjusting the body temperature of the dummy body (1), the breathing adjusting device is used for adjusting the breathing of the dummy body (1), and the sweat adjusting device is used for adjusting the body surface sweat of the dummy body (1);
the artificial body (1) comprises a shell (1d), microporous membrane fabric skin (1a) arranged on the outer side of the shell (1d), artificial fat (1b) and an electric heating film (1c), as well as a hollow fiber artificial lung (1e) and a dust collector (1f) arranged on the inner side of the shell (1d), wherein the electric heating film (1c) is attached to the outer surface of the shell (1d), the artificial fat (1b) is attached to the electric heating film (1c), the microporous membrane fabric skin (1a) is fixedly connected with the artificial fat (1b), and an air spacing layer is arranged between the microporous membrane fabric skin (1a) and the artificial fat (1 b); the hollow fiber artificial lung (1e) is fixedly connected to the inner wall of the shell (1d), and the dust collector (1f) is connected to the lower part of the hollow fiber artificial lung (1 e); one end of the hollow fiber artificial lung (1e) is communicated with the nasal cavity on the shell (1d) through a pipeline, and the other end of the hollow fiber artificial lung (1e) is communicated with one end of the dust collector (1 f);
the breathing adjusting device comprises an inspiration simulator (2d), an expiration simulator (2e), a carbon dioxide generator (2f) and an air bin (2 z);
the air suction simulator (2d) comprises a first box body, an air suction fan (2v) and a first air valve (2t), wherein the air suction fan (2v) and the first air valve (2t) are arranged in the first box body, an input end (2aa) of the first box body is communicated with an air bin (2z), and the first air valve (2t) is positioned in the input end (2aa) of the first box body; an air hole (2s) is arranged in the air bin (2z), and the air hole (2s) is connected with the other end of the dust collector (1f) through a first pipeline;
the expiration simulator (2e) comprises a second box body, an expiration fan (2x), a second air valve (2u) and a third air valve (2y), wherein the expiration fan (2x), the second air valve (2u) and the third air valve (2y) are arranged in the second box body;
and a carbon dioxide distributor (2w) of the carbon dioxide generator (2f) is positioned in the second box body and is positioned between the second air valve (2u) and the expiratory air fan (2 x).
2. The novel body warming dummy system according to claim 1, wherein the body temperature adjusting device comprises a data acquisition instrument (2a) and a stabilized voltage power supply (2b), the input end of the data acquisition instrument (2a) is connected with the data acquisition point of the dummy body (1), the output end of the data acquisition instrument (2a) is connected with the input end of the measurement and control system, the input end of the stabilized voltage power supply (2b) is respectively connected with the output end of the power supply and the output end of the measurement and control system, and the output end of the stabilized voltage power supply (2b) is connected with the electrothermal film (1 c).
3. A novel warm-body dummy system according to claim 2, characterized in that the data acquisition points of the dummy body (1) comprise a back temperature measurement point (3a) at the back of the dummy body (1), a core temperature measurement point (3b) at the center of the chest of the dummy body (1), a head temperature measurement point (3c) at the head of the dummy body (1), an arm temperature and humidity measurement point (3d) at the arm of the dummy body (1), and a leg temperature measurement point (3e) at the leg of the dummy body (1);
a first input end (2g) of the data acquisition instrument (2a) is connected with a head temperature measuring point (3c), a second input end (2i) is connected with an arm temperature and humidity measuring point (3d), a third input end (2j) is connected with a leg temperature measuring point (3e), a fourth input end (2k) is connected with a core temperature measuring point (3b), and a fifth input end (2l) is connected with a back temperature measuring point (3 a).
4. The novel thermal manikin system according to claim 2, wherein said electric heating film (1c) comprises a front chest and back electric heating film (1j) located at the front chest and back of the manikin body (1), a head electric heating film (1k) located at the head of the manikin body (1), a leg electric heating film (1l) located at the leg of the manikin body (1), a left arm electric heating film (1m) located at the left arm of the manikin body (1), and a right arm electric heating film (1n) located at the right arm of the manikin body (1);
first output (2m) and the forebreast of constant voltage power supply (2b) and back electric heat membrane (1j) be connected, second output (2n) are connected with head electric heat membrane (1k), third output (2o) are connected with shank electric heat membrane (1l), fourth output (2p) are connected with left arm electric heat membrane (1m), fifth output (2q) are connected with right arm electric heat membrane (1 n).
5. A novel thermal manikin system according to claim 4, wherein said regulated power supply (2b) has its first (2m), second (2n), third (2o), fourth (2p) and fifth (2q) outputs independently regulated.
6. The new thermal manikin system according to claim 1, wherein said first air valve (2t), second air valve (2u) and third air valve (2y) are all electric air valves; the air suction fan (2v) and the air expiration fan (2x) are both variable frequency fans; the air hole (2s) is connected with the other end of the dust collector (1f) through a rubber hose or a metal hose.
7. A new thermal manikin system according to claim 1 or 6, wherein the air volume in said air box (2z) entering the air box (2z) through the expiration simulator (2e) and the carbon dioxide generator (2f) is equal to the air volume leaving the air box (2z) through the inspiration simulator (2 d).
8. A novel thermal manikin system according to claim 1, wherein said sweat conditioning means comprises a high pressure sprayer (2c) having an output (2r) connected to the microporous membrane textile skin (1a) and communicating with the air spacer layer.
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| CN113324678A (en) * | 2021-05-28 | 2021-08-31 | 深圳市商汤科技有限公司 | Temperature simulation device and method, computer equipment and storage medium |
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