NL2033326B1 - Thermoelectric device-based fire-fighting glove cooling system and method - Google Patents

Thermoelectric device-based fire-fighting glove cooling system and method Download PDF

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Publication number
NL2033326B1
NL2033326B1 NL2033326A NL2033326A NL2033326B1 NL 2033326 B1 NL2033326 B1 NL 2033326B1 NL 2033326 A NL2033326 A NL 2033326A NL 2033326 A NL2033326 A NL 2033326A NL 2033326 B1 NL2033326 B1 NL 2033326B1
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Prior art keywords
glove
semiconductor
cooling
fire
temperature
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NL2033326A
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Dutch (nl)
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NL2033326A (en
Inventor
Gao Yanwei
Li Jian
Liu Guolin
Shi Congling
Che Honglei
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China Academy Safety Science & Technology
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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/015—Protective gloves
    • A41D19/01529—Protective gloves with thermal or fire protection
    • A41D19/01541—Cooled gloves
    • 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
    • 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
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • 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
    • G05D23/27—Control of temperature characterised by the use of electric means with sensing element responsive to radiation
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
    • A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
    • A41D13/0053—Cooled garments

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Textile Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Gloves (AREA)

Abstract

The invention discloses a firefighting glove cooling system and method based on a thermoelectric device, which mainly comprises a power supply unit part for generating electric energy and storing the electric energy in a storage battery, a power consumption unit part for providing electric power for an annular semiconductor power generation piece, a voltage controller, a semiconductor refrigeration piece, a temperature sensor and a warning lamp, and a refrigeration unit part for cooling hands of firefighters. When firemen wear the fire—fighting gloves to carry out fire—fighting and rescue in a fire scene with a severe environment, a control switch is started, the whole system starts to work, current is output through an arranged annular semiconductor power generation piece, the temperature sensor compares the sensed temperature inside the gloves with a limit value in a storage controller, and the voltage controller adjusts and controls the voltage.

Description

THERMOELECTRIC DEVICE-BASED FIRE-FIGHTING GLOVE COOLING SYSTEM AND
METHOD
Technical field
The invention relates to the technical field of fire-fighting safety protection, in particular to a system and a technical meth- od for cooling fire-fighting gloves based on a thermoelectric ef- fect mechanism in which electric energy and heat energy can be converted into each other.
Background Technology
The fire scene often has the characteristics of high tempera- ture, high heat, thick smoke and so on, and firefighters must be in it when they are fighting and rescuing, so it is very important to do a good job of safety protection for firefighters. Fire gloves, as the protective equipment worn by firefighters in fire fighting and rescue, are of great importance to safety. However, common fire gloves do not have reliable cooling function, which can easily cause discomfort to the hands of firefighters in hot and humid environment for a long time, and even cause fungal in- fection, eczema and other symptoms.
Aiming at the phenomenon, in the prior art, the patent
CN106617405A discloses a heat dissipation fire-fighting glove, wherein the glove body comprises a cotton cloth layer, an aramid cloth layer, polytetrafluoroethylene, a copper mesh layer and a nickel-plated layer, and the nickel-plated copper mesh is utilized to realize certain heat dissipation and temperature reduction. Pa- tent CN104337045A discloses a fire-fighting glove with a refriger- ation function, which comprises a fire-fighting glove body coated with an outer layer made of a fireproof material and an inner lay- er made of cotton, wherein an electronic refrigeration sheet, a switch module, a power supply module and a temperature control module are arranged in the glove body; and when a firefighter turns on the switch module, the electronic refrigeration sheet is controlled to refrigerate, And that temperature control module control the electronic refrigerating sheet to stop refrigerate.
In the existing design scheme, the main problem is that the copper mesh layer inside the glove is plated with nickel, on the one hand, the heat dissipation and cooling capacity of the glove is limited, on the other hand, the cost of nickel plating is gen- erally higher, and the hardness of the nickel-plated copper mesh is higher, so that the hands of firefighters inevitably feel un- comfortable in the process of bending and straightening for a long time. However, in the above patent CN104337045A, the electronic refrigeration sheet is simply placed in the inner layer of the glove, and the refrigeration sheet and its position are not rea- sonably arranged. And when the inside of the fire-fighting glove reaches a certain temperature, the temperature control module con- trols the refrigerating sheet to stop working, and the cooling mode is single and cannot achieve intelligent temperature control.
In addition, the above design scheme can not achieve energy con- servation and utilization. Therefore, it is necessary to propose a reliable and effective cooling system and method for fire gloves to solve the above problems.
Summary of the invention
In order to solve the technical problems and achieve corre- sponding technical effects, the invention aims to provide the pro- tection system and the protection method, which can automatically adjust temperature, save energy, have simple structure and conven- ient operation and can intelligently realize rapid cooling accord- ing to the internal temperature of the fire-fighting gloves.
The present invention adopts the following basic concept:
A firefighting glove cooling system based on a thermoelectric device comprises a semiconductor refrigeration piece 301, an annu- lar semiconductor power generation piece 101, a conducting wire 102, a voltage controller 103 and an energy storage battery 104, wherein the semiconductor refrigeration piece 301 is arranged in a hand back side structural layer of a glove body 2; The annular semiconductor power generating piece 101 is installed around the opening of the glove body 2 and is connected to the voltage con- troller 103, and the voltage controller 103 is used to adjust the current generated by the annular semiconductor power generating piece 101 to be within the limited input voltage of the energy storage battery 104; The voltage controller 103 is respectively connected with the annular semiconductor power generation piece 101 and the semiconductor cooling piece 301, and is used for ad-
Justing the current and voltage output by the annular semiconduc- tor power generation piece 101 to the input voltage required by the energy storage battery 104 on one hand, and adjusting the cur- rent and voltage to the semiconductor cooling piece 301 on the other hand.
Further, the semiconductor cooling plate 301 further compris- es a heat absorbing plate 302 and a heat dissipating plate 303, wherein the two sides of the semiconductor cooling plate 301 are respectively attached to the heat absorbing plate 302 and the heat dissipating plate 303, so as to absorb the cold generated by the cooling surface of the semiconductor cooling plates 301 and dissi- pate the heat generated by the heating surface.
Furthermore, the glove further comprises a warning lamp 201, a control switch 202, a temperature sensor 203 and a storage con- troller 204, wherein the warning lamp 201 is installed on one hand back surface outside the glove body 2, and the temperature sensor 203 is installed on one hand back surface inside the glove body 2 and used for detecting the temperature inside the glove. The sens- ing value is fed back to the storage controller 204, and the volt- age is precisely regulated and controlled by comparing with the set temperature limit value, so as to realize different refrigera- tion States.
Furthermore, it also includes the portable module box 1, in which the voltage controller 103, the energy storage battery 104, the storage controller 204 and the control switch 202 are in- stalled.
Further, the material of the ring-shaped semiconductor power generation chip 101 is bismuth tin.
Further, the voltage controller 103 is a DC/DC module, and the energy storage battery 104 is a battery with a rated voltage of 12 V and a capacity of 54 Ah.
Further, the heat absorbing plate 302 and the heat sink 303 are made of pure copper, and the semiconductor cooling plate 301 is made of bismuth telluride.
Further, a fire-fighting glove is provided, which comprises the glove body 2 and the fire-fighting glove cooling system.
Further, a cooling method based on the above fire-fighting glove cooling system is provided, which comprises the following steps: when firefighters enter the fire scene, a temperature dif- ference is formed between the exposed side of the annular semicon- ductor power generation chip 101 on the fire-fighting glove body 2 and the inside of the glove body 2 to generate a direct current;
The voltage of the current is regulated by the voltage controller 103 to the required value of the energy storage battery 104, which is stored in the voltage controller 103 through the wire 102. When the control switch 202 is turned on, the whole cooling system starts to work. The temperature sensor 203 senses the temperature change inside the glove and feeds back the measured value to the control unit. The storage controller 204 in the control unit com- pares the measured temperature, and if the temperature does not reach the limit value, the voltage controller 103 adjusts the tem- perature to a certain constant current, and the semiconductor cooling plate 301 operates under the drive of the current, so as to cool the side close to the human body; Once the temperature reaches the limit value, the voltage controller 103 adjusts the current to a transient current. The semiconductor cooling chip 301 realizes the temperature drop based on the transient cooling prin- ciple of the thermoelectric cooler.
Compare with that prior art, the invention has the following advantage that under the condition of a fire disaster, a fireman is in a high-temperature severe environment, and the whole system starts to work through the current supplied by the storage battery by star the control switch; the voltage controller regulates and controls the voltage supplied by the energy storage battery through the temperature sensed by the temperature sensor, Carry out rapid cooling on the fire fighting gloves in a short time. In addition, due to the temperature difference between the inside and outside of the fire gloves, the semiconductor power generation sheet will generate direct current and store it in the energy storage battery through the wire, thus reducing energy waste. The system has the advantages of light overall structure, simple oper-
ation and installation, no noise, low cost and high safety. It not only realizes the effective use of energy, but also reduces a se- ries of safety risks caused by fire environment to firefighters.
It is to be understood that what is described in this summary 5 is not intended to limit the key or critical features of the em- bodiments of the disclosure, nor is it intended to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following description.
Description of the drawings
The present invention will be described in further detail be- low with reference to the drawings and the detailed description of the embodiments.
Fig. 1 is a schematic structural diagram of a firefighting glove cooling protection system based on a thermoelectric device according to the technical scheme of the present invention;
Fig. 2 is a schematic diagram of the structure of the annular semiconductor power generation sheet in the technical solution of the present invention;
Fig. 3 is a working principle diagram of a firefighting glove cooling protection system based on a thermoelectric device accord- ing to the technical scheme of the present invention;
Wherein: 101-annular semiconductor power generation piece; 102-wire; 103-voltage controller; 104-energy storage battery; 201- warning light; 202-control switch; 203-temperature sensor; 204- storage controller; 301-semiconductor refrigeration piece; 302- heat absorption piece; 303-heat dissipation piece; l-portable mod- ule box; 2-Glove body.
Description of the invention
In order to make the purposes, technical solutions, and ad- vantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments. Based on the embodi- ments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present disclosure.
In the description of this specification, the terms "one em-
bodiment," "some embodiments," etc., mean that a particular fea- ture, structure, material, or characteristic described in connec- tion with the embodiment or example is included in at least one embodiment or example of the present application. In the present specification, schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the particular features, structures, materials, or characteristics de- scribed may be combined in any suitable manner in any one or more embodiments or examples.
Fig. 1 is a schematic structural diagram of a firefighting glove cooling protection system based on a thermoelectric device according to an embodiment of the present invention. The system comprises a power supply unit part, a power consumption unit part and a refrigeration unit part. The system power supply unit part mainly comprises an annular semiconductor power generation piece 101, a lead 102, a voltage controller 103 and an energy storage battery 104; The system power consumption unit part mainly com- prises a warning lamp 201, a control switch 202, a temperature sensor 203 and a storage controller 204; The refrigerating unit of the system is mainly composed of a semiconductor refrigerating sheet 301, a heat absorbing sheet 302 and a heat radiating sheet 303.
In a specific embodiment of the present invention, the annu- lar semiconductor power generation piece 101 of the system power supply unit is RH14-32-06, and the material is bismuth tin. The annular semiconductor power generation piece 101 is in contact with the glove body 2, and is installed around the glove opening.
The semiconductor power generation sheet will generate direct cur- rent by using the temperature difference between the external am- bient temperature and the internal temperature of the fire- fighting gloves.
In a specific embodiment of the present invention, the volt- age controller 103 of the system power supply unit is a DC/DC mod- ule, which is connected to the annular semiconductor power genera- tion piece 101 and the semiconductor cooling piece 301 respective- ly, and is installed in the portable module case 1. On the one hand, the portable module case 1 is located at the waist position to adjust the current and voltage output by the annular semicon- ductor power generation piece 101 to the input voltage required by the energy storage battery 104, and the energy storage battery 104 is a battery with a rated voltage of 12 V and a capacity of 54 Ah;
On the other hand, it is used to adjust the current and voltage to the semiconductor cooling plate 301. The energy storage battery is also arranged in the portable module case and is used for supply- ing electric energy to the power consumption unit part on one hand and storing the electric energy generated by the power supply unit part on the other hand.
In a specific embodiment of the present invention, the warn- ing light 201 of the system power consumption unit part is a red warning light, which is installed on one side of the back of the hand outside the glove body 2, on the one hand, it is used to lo- cate the position of firefighters in case of fire, on the other hand, it is convenient for trapped people to call for help in time and accurately.
The wires are used to connect the elements.
In a specific embodiment of the present invention, the tem- perature sensor 203 of the system power consumption unit part is an infrared temperature sensor, which is installed on one side of the back of the hand inside the glove body 2, can be installed on the inner side of the wrist of the glove, and is used to detect the temperature in the glove, and feed back the sensing value to the storage controller 204, and accurately regulate and control the voltage by comparing with the set temperature limit of 50 de- grees Celsius. Different refrigeration States are realized to en- sure the comfort of human hands.
In a specific embodiment of the invention, the semiconductor refrigerating sheet is arranged on one side of the back of a hand of the fire-fighting glove, the refrigerating side of the semicon- ductor refrigerating sheet is in contact with the heat absorbing sheet, and the heat absorbing sheet is positioned in a direction close to the back of the hand; And that radiate side of the semi- conductor refrigerating sheet is contac with the radiating fin, and the radiating fin is positioned in the direction far away from the hand back and radiate towards the outside.
The heat absorbing fins 302 and the heat radiating fins 303 of the refrigeration unit of the system are made of pure copper materials, which are respectively used for absorbing the cold gen- erated by the refrigeration surface and dissipating the heat gen- erated by the heating surface. The semiconductor refrigeration piece 301 is a model of TEC1 12706, is made of bismuth telluride, and is installed in the structure layer on one side of the back of the hand of the glove body 2.
The refrigeration control unit mainly comprises a control switch, a voltage controller and a storage controller, wherein the control switch controls the on and off of a circuit through the manual switch, and the voltage controller adjusts the current and voltage output by the energy storage battery according to the tem- perature value sensed by the temperature sensor. And that storage control is connected with the temperature sensor and the voltage control and is used for comparing the measured temperature with the preset temperature and feed back and regulating the output voltage.
In a specific embodiment of the invention, the invention also provides a firefighting glove cooling method based on the thermoe- lectric device. The specific method is as follows: after a fire- fighter enters a fire site, a temperature difference is formed be- tween the exposed side of the annular semiconductor power genera- tion piece 101 on the glove body 2 and the inside of the glove body 2 to generate a direct current due to the high temperature environment, The current regulated by the voltage controller 103 is stored in the energy storage battery 104 through the wire 102.
Aft that conduction circuit of the control switch 202 is turned on, the whole cool system starts to work: the temperature sensor 203 senses the temperature change inside the glove and feeds back the measure value to the control unit, the storage controller 204 in the control unit compares the measured temperature, if the tem- perature does not reach the limit value, The voltage controller 103 adjusts the current to a certain constant current, and the semiconductor cooling plate 301 operates under the drive of the current to cool the side close to the human body. Once the temper- ature reaches the limit value, the voltage controller 103 adjusts the current to a transient current, and the semiconductor cooling chip 301 realizes a sudden temperature drop based on the transient cooling principle of the thermoelectric cooler.
To sum up, the firefighting glove cooling system and method based on the thermoelectric device provided by the invention have the beneficial effects that in case of a fire, when firefighters wearing firefighting gloves are in a high-temperature severe envi- ronment, the firefighting masks can be cooled in a short time through the cooling system and method by using the steady-state and transient refrigeration mechanisms of the semiconductor ther- moelectric refrigerator. The system has the advantages of light overall structure, practical and feasible method, simple operation and installation, energy conservation and environmental protec- tion, not only realizes the efficient utilization of energy, but also solves the physical and mental influence of muggy fire- fighting gloves on firefighters in a high-temperature hot environ- ment, and has great practical convenience.
The above is only a preferred embodiment of the present ap- plication, and is not intended to limit the present application, and various modifications and changes can be made to the present application by those skilled in the art. Any modification, equiva- lent substitution, improvement, etc. Within the spirit and princi- ple of this application shall be included in the scope of protec- tion of this application.

Claims (9)

CONCLUSIESCONCLUSIONS 1. Op thermo-elektrische apparaten gebaseerd koelsysteem voor brandweerhandschoenen, gekenmerkt, doordat het een halfgeleider- koelingsplaat (301), een ringvormig halfgeleidergeneratorblad (101), een draad (102), een spanningsregelaar (103) en een ener- gieopslagbatterij (104) omvat, en het halfgeleiderkoelingsblad (301) is geïnstalleerd in de structurele laag aan de achterkant van de handzijde van het handschoenenlichaam (2); het ringvormige halfgeleiderblad voor energieopwekking (101) is éen cirkel rond de mond van de handschoen (2) geïnstalleerd en verbonden met de span- ningsregelaar (103), die wordt gebruikt om de stroom die door het ringvormige halfgeleiderblad voor energieopwekking (101) wordt op- gewekt, aan te passen aan de beperkte ingangsspanning van de ener- gieopslagbatterij (104); de spanningsregelaar (103) is respectie- velijk verbonden met het ringvormige halfgeleiderblad voor ener- gieopwekking (101) en het halfgeleiderkoelingsblad (301); ener- zijds wordt hij gebruikt om de stroom en spanning die door de ringvormige halfgeleidergenerator (101) wordt afgegeven, af te stemmen op de door de energieopslagbatterij (104) vereiste in- gangsspanning, en anderzijds wordt hij gebruikt om de stroom en spanning naar de halfgeleiderkoelplaat (301) af te stellen.A thermoelectric-based fire glove cooling system, characterized by comprising a semiconductor cooling plate (301), an annular semiconductor generator blade (101), a wire (102), a voltage regulator (103), and a power storage battery (104) and the semiconductor cooling sheet (301) is installed in the structural layer on the back of the hand side of the glove body (2); the annular power generation semiconductor blade (101) is installed in a circle around the mouth of the glove (2) and connected to the voltage regulator (103), which is used to control the current generated by the power generation annular semiconductor blade (101). - awakened, adaptable to the limited input voltage of the energy storage battery (104); the voltage regulator (103) is respectively connected to the annular semiconductor power generation blade (101) and the semiconductor cooling blade (301); on the one hand, it is used to match the current and voltage output from the annular semiconductor generator (101) to the input voltage required by the energy storage battery (104), and on the other hand, it is used to supply the current and voltage to the semiconductor heat sink (301). 2. Koelsysteem voor brandhandschoenen zoals beschreven in conclu- sie 1, dat gekenmerkt wordt door het feit dat het ook een koelli- chaam (302) en een koellichaam (303) omvat; de twee zijden van de halfgeleiderkoelvin {301} zijn respectievelijk verbonden met het koellichaam (302) en het koellichaam (303); enerzijds dient het om de koude energie te absorberen die door het koeloppervlak van de halfgeleiderkoelvin (301) wordt gegenereerd, en anderzijds voert het de warmte af die door het verwarmingsoppervlak wordt gegene- reerd.The fire glove cooling system as set forth in claim 1, characterized by also comprising a heat sink (302) and a heat sink (303); the two sides of the semiconductor fin {301} are respectively connected to the heat sink (302) and the heat sink (303); on the one hand, it serves to absorb the cold energy generated by the cooling surface of the semiconductor cooling fin (301), and on the other hand, it dissipates the heat generated by the heating surface. 3. Koelsysteem voor brandhandschoenen volgens conclusie 1 of 2, dat gekenmerkt wordt door het feit dat het ook een waarschuwings- licht (201), een bedieningsschakelaar (202), een temperatuursensorFire glove cooling system according to claim 1 or 2, characterized by the fact that it also includes a warning light (201), an operating switch (202), a temperature sensor (203) en een opslagcontroller (204) bevat; het waarschuwingslicht (201) is geinstalleerd op de rug van de hand buiten het handschoe- nenlichaam (2), en de temperatuursensor (203) is geinstalleerd op de rug van de hand binnen het handschoenenlichaam (2) om de inter- ne temperatuur van de handschoen te detecteren, de meetwaarde wordt teruggestuurd naar de opslagcontroller (204), en de spanning wordt nauwkeurig geregeld door vergelijking met de grenswaarde van de ingestelde temperatuur om verschillende koeltoestanden te be- reiken.(203) and a storage controller (204); the warning light (201) is installed on the back of the hand outside the glove body (2), and the temperature sensor (203) is installed on the back of the hand inside the glove body (2) to monitor the internal temperature of the glove, the measured value is sent back to the storage controller (204), and the voltage is precisely controlled by comparison with the limit of the set temperature to achieve different cooling states. 4. Koelsysteem voor brandhandschoenen volgens conclusie 3, dat wordt gekenmerkt door het feit dat het ook een draagbare module- doos (1), de spanningsregelaar (103), de energieopslagbatterij (104), de opslagregelaar (204) en de bedieningsschakelaar (202) omvat die in de draagbare moduledoos (1) zijn geïnstalleerd.The fire glove cooling system according to claim 3, characterized by the fact that it also comprises a portable module box (1), the voltage regulator (103), the energy storage battery (104), the storage regulator (204) and the operation switch (202). that are installed in the portable module box (1). 5. Koelsysteem voor brandhandschoenen als bedoeld in conclusie 4, dat wordt gekenmerkt door het feit dat de ringvormige chip (101) voor het opwekken van halfgeleidervermogen is gemaakt van bismut-The fire glove refrigeration system as set forth in claim 4, characterized in that the annular chip (101) for generating semiconductor power is made of bismuth tin.tin. 6. Koelsysteem voor brandweerhandschoenen zoals beschreven in con- clusie 5, dat wordt gekenmerkt door het feit dat de spanningsrege- laar (103) een DC/DC-module is, en de energieopslagbatterij (104) een batterij is met een nominale spanning van 12 V en een capaci- teit van 54 Ah.A firefighter glove refrigeration system as claimed in claim 5, characterized in that the voltage regulator (103) is a DC/DC module and the energy storage battery (104) is a battery with a nominal voltage of 12 V and a capacity of 54 Ah. 7. Koelsysteem voor brandhandschoenen als beschreven in conclusie 6, dat wordt gekenmerkt door het feit dat het koellichaam (302) en de radiator (303) van zuiver koper zijn gemaakt, en de halfgelei- derkoelchip (301) van bismut-telluride.The fire glove cooling system as set forth in claim 6, characterized in that the heat sink (302) and the radiator (303) are made of pure copper, and the semiconductor cooling chip (301) is made of bismuth telluride. 8. Brandweerhandschoen, die gekenmerkt wordt door een handschoen- lichaam {2) en een koelsysteem voor brandweerhandschoenen zoals beschreven in de conclusies 1-7.A firefighter's glove, characterized by a glove body {2) and a firefighter's glove cooling system as described in claims 1-7. 9. Koelmethode op basis van het koelsysteem voor brandweerhand-9. Cooling method based on the fire extinguisher cooling system schoenen volgens de conclusies 1-7, die gekenmerkt wordt door de volgende stappen: wanneer de brandweerlieden de plaats van de brand betreden, genereert het temperatuurverschil tussen de bloot- gestelde zijde van de ringvormige halfgeleidergenerator (101) op het lichaam van de brandweerhandschoen (2) en de binnenkant van het lichaam van de handschoen (2) gelijkstroom, de stroom wordt door de spanningsregelaar (103) geregeld tot de vereiste grootte van de energieopslagbatterij (104) en daarin opgeslagen via de draad (102); wanneer de bedieningsschakelaar (202) wordt ingescha- keld om het circuit te geleiden, begint het hele koelsysteem te werken: de temperatuursensor (203) registreert de temperatuursver- andering in de handschoen en stuurt de gemeten waarde terug naar de regeleenheid, de opslagregelaar (204) in de regeleenheid maakt een vergelijking op basis van de gemeten temperatuur; als de tem- peratuur de grenswaarde niet bereikt, wordt de spanningsregelaar (103) gebruikt om deze op een constante stroom in te stellen; zo- dra de temperatuur de grenswaarde bereikt, wordt de spanningsrege- laar (103) ingesteld op een transiënte stroom, en de halfgeleider- koelingchip (301) realiseert een plotselinge temperatuurdaling op basis van het transiënte koelprincipe van een thermo-elektrische koeler.shoes according to claims 1-7, which is characterized by the following steps: when the firefighters enter the scene of the fire, the temperature difference between the exposed side of the annular semiconductor generator (101) generates on the body of the fireman's glove (2 ) and the inside of the body of the glove (2) direct current, the current is regulated by the voltage regulator (103) to the required size of the energy storage battery (104) and stored therein through the wire (102); when the control switch (202) is turned on to conduct the circuit, the whole cooling system starts working: the temperature sensor (203) registers the temperature change in the glove and sends the measured value back to the control unit, the storage controller (204 ) in the control unit makes a comparison based on the measured temperature; if the temperature does not reach the limit value, the voltage regulator (103) is used to set it to a constant current; once the temperature reaches the limit value, the voltage regulator (103) is set to a transient current, and the semiconductor cooling chip (301) realizes a sudden temperature drop based on the transient cooling principle of a thermoelectric cooler.
NL2033326A 2021-11-22 2022-10-17 Thermoelectric device-based fire-fighting glove cooling system and method NL2033326B1 (en)

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