CN218572415U - Novel multi-functional first aid heat preservation blanket - Google Patents

Abstract

The utility model discloses a novel multifunctional first-aid heat-insulating blanket, which comprises a thermal inflation part, wherein the thermal inflation part comprises a thermal inflation layer, the upper surface and the lower surface of the thermal inflation layer are respectively provided with a thermal buffer layer, the thermal buffer layer comprises an upper thermal buffer layer and a lower thermal buffer layer, the surface of the thermal buffer layer is provided with a heat-insulating sleeve, the outer surface of the heat-insulating sleeve is provided with a detachable coat consisting of a polymer film and a metal reflection layer, and the thermal inflation layer is connected with a thermal inflation device through a thermal inflation pipe; the detachable jacket is characterized in that symmetrical stretcher hole sleeves are longitudinally arranged at the bottom of the detachable jacket, a stretcher passes through the stretcher hole sleeves, and the tows are transversely distributed among the stretcher hole sleeves.

Description

Novel multi-functional first aid heat preservation blanket

Technical Field

The utility model belongs to the technical field of the first aid is equipped, especially, relate to a novel multi-functional first aid heat preservation blanket.

Background

Loss of temperature, the first cause of death outdoors; the condition of loss of temperature, also called hypothermia, refers to the condition that the loss of human body heat is greater than the supply of heat, so that the temperature in the core area of the human body is reduced, and symptoms such as a certain range of chills and tremors, loss of consciousness, heart and lung function failure and the like are generated, even death is finally caused; there are many ways to prevent and alleviate temperature loss, the most important of which is a thermal blanket; in the news of many rescue operations, people can see a layer of 'plastic cloth' with silver color or golden color on the body of a rescued person no matter on mountain or in water, and the plastic cloth is one of the rescue heat-preservation blankets, and the heat of the body is slowed down through a polymer film and a metal reflecting layer. In addition to rescue teams, heat-preservation lifesaving blankets can be carried by aircrafts and ships for use as needed from time to time in experienced outdoor teams;

in conclusion, the prior art has the problem that the existing emergency heat-preservation blanket has single function, thereby influencing emergency treatment, preventing and relieving temperature loss.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel multi-functional first aid heat preservation blanket to it has current first aid heat preservation blanket function singleness to have proposed prior art in solving above-mentioned background art, thereby leads to influencing first aid, prevention and alleviate the problem of losing temperature.

The utility model provides a technical problem adopt following technical scheme to realize: a novel multifunctional first-aid heat-insulating blanket comprises a heat-inflating part, wherein the heat-inflating part comprises a heat-inflating layer, the upper surface and the lower surface of the heat-inflating layer are respectively provided with a heat buffer layer, the heat buffer layer comprises an upper heat buffer layer and a lower heat buffer layer, the surface of the heat buffer layer is provided with a heat-insulating sleeve, the outer surface of the heat-insulating sleeve is provided with a detachable jacket consisting of a polymer film and a metal reflecting layer, and the heat-inflating layer is connected with a heat-inflating device through a heat-inflating pipe;

the detachable jacket is characterized in that symmetrical stretcher hole sleeves are longitudinally arranged at the bottom of the detachable jacket, a stretcher passes through the stretcher hole sleeves, and the tows are transversely distributed among the stretcher hole sleeves.

Further, the thermal inflator comprises a thermal inflation circuit, the thermal inflation circuit comprises a central control circuit a0101, a first input end of the central control circuit a0101 is connected to the temperature control detection circuit a0201, a second input end of the central control circuit a0101 is connected to the airflow detection circuit a0301, a first output end of the central control circuit a0101 is connected to the temperature control circuit a0601, the temperature control circuit a0601 is connected to the heating drive circuit a0701, and the heating drive circuit a0701 is connected to the heater circuit a0801;

the hot air charging circuit further comprises a selection circuit A0401, one output end of the selection circuit A0401 is connected with a manual circuit A0501, the other output end thereof is connected with a temperature control circuit A0601, and the manual circuit A0501 is connected with a heater circuit A0801.

Further, the central control circuit a0101 includes a central controller U0101, a first output end of the central controller U0101 is connected to the temperature output end TEMP, a second output end thereof is connected to the FLOW detection end FLOW, and an output end thereof is connected to the temperature control end CTL.

Further, the temperature control detection circuit a0201 comprises a temperature detector U0201, an output end of the temperature detector U0201 is connected to one end of the pull-up resistor R0201 and connected to a temperature output end TEMP, and a VCC power supply end and a ground end are connected through a capacitor C0201.

Further, the airflow detection circuit a0301 comprises a bridge balance structure composed of a thermistor VR0301, a thermistor VR0302, a resistor R0301 and a resistor R0302, a common terminal of the thermistor VR0301 and the thermistor VR0302 is connected to the FLOW detection terminal FLOW, a common terminal of the resistor R0301 and the resistor R0302 is grounded, and the airflow detection circuit is close to the hot gas source fluid.

Further, the selection circuit a0401 includes a dial switch U0401, a first input terminal of the dial switch U0401 is connected to the CTL end, a first input terminal thereof is grounded, and a third input terminal and a third output terminal of the dial switch U0401 are respectively connected in parallel to two terminals of the power switch KL 0501.

Further, the manual circuit a0501 includes a power switch KL0501, one end of the power switch KL0501 is connected to the output end of the heating driving circuit a0701, the other end of the power switch KL0501 is connected to one end of the resistor R0501, the other end of the resistor R0501 is connected to one end of the 220V power supply, and the other end of the 220V power supply is connected to the loop end of the heater circuit a0801 and the loop end of the heating driving circuit a 0701.

Further, the temperature control circuit a0601 includes a transistor Q0601, a base of the transistor Q0601 is connected to a temperature control end CTL of the central controller U0101 and connected to the pull-up resistor R0601, a collector of the transistor Q0601 is grounded, an emitter of the transistor Q0601 is connected to one end of the relay coil S0601-M, the other end of the relay coil S0601-M is connected to a VCC power supply end, the VCC power supply end is connected to a ground end through a capacitor C0601 and connected to an anode of a diode D0601, a cathode of the diode D0601 is connected to one primary end of the step-up transformer T0601, the other primary end of the step-up transformer T0601 is grounded, and two secondary ends of the step-up transformer T0601 are respectively connected to two input ends of the heating driving circuit a 0701.

Further, the heating driving circuit A0701 comprises a relay coil S0701-M, one end of the relay coil S0701-M is connected with one end of a relay switch S0701-J, the other end of the relay coil S0701-M and the other end of the relay switch S0701-J are connected with two output ends of the temperature control circuit A0601 respectively, the other end of the relay switch S0701-J is connected with one input end of the manual circuit A0501, and the other end of the relay coil S0701-M is connected with one input end of the heater circuit A0801.

Further, the heater circuit A0801 comprises a heater M0801, and the heater M0801 and a relay switch S0701-J are connected in parallel between two output ends of the heating drive circuit A0701 and between 220V power supplies of the serial manual circuit A0501.

The beneficial technical effects are as follows:

1. the thermal inflation part comprises a thermal inflation layer, the upper surface and the lower surface of the thermal inflation layer are respectively provided with a thermal buffer layer, the thermal buffer layer comprises an upper thermal buffer layer and a lower thermal buffer layer, the surface of the thermal buffer layer is provided with a heat insulation sleeve, the outer surface of the heat insulation sleeve is provided with a detachable jacket consisting of a polymer film and a metal reflection layer, and the thermal inflation layer is connected with a thermal inflation device through a thermal inflation pipe; the stretcher hole cover of removable overcoat bottom vertical setting symmetry, pass the stretcher in the stretcher hole cover, the transverse distribution tow between the stretcher hole cover, because this insulation blanket adopts the hot buffer layer of setting up respectively on the surface about the thermal inflation layer, the hot buffer layer includes hot buffer layer and lower hot buffer layer, hot buffer layer surface sets up the insulation cover, and the insulation blanket is a membrane that covers metallic coating essentially, can reflect and reach 97% heat radiation, and it is big to bear the temperature range, with low costs, light in weight, has realized (1) and has kept warm: the heat-insulating blanket is to keep warm as the name implies, when people feel cold, the blanket is wrapped on the body or the parts which are easy to freeze, and can reflect the heat emitted by the human body, thereby achieving the effect of heat insulation; simultaneously, adopt the removable overcoat that the insulation cover surface setting comprises polymer film and metal reflecting layer, because polymer film and metal reflecting layer have the effect of reflection of light, consequently realized (2) reflection of light: when a person is in distress outdoors, the heat-insulating blanket is wrapped on the person, and the light-reflecting effect of the heat-insulating blanket is utilized to help the rescue workers to find a target; simultaneously, through the foundation structure of heat preservation blanket with the heat is aerifyd the layer and is passed through the combination that heat inflation pipe connects hot aerating device, has realized (3) first aid: the temperature drop can aggravate the injury of the injured person, and the wrapping of the heat-insulating blanket is a protection for the injured person. In addition, when the wounded patient is seen to wrap the thermal blanket, which indicates that the person is wounded and has undergone a primary emergency, the medical staff will take priority to further examination and treatment, and the chance of the wounded patient getting a rescue increases. When used together, the utility model can deal with extreme environment; simultaneously, through the stretcher hole cover of removable overcoat bottom vertically setting up the symmetry, pass the stretcher in the stretcher hole cover, the transverse distribution traction between the stretcher hole cover has realized (4) as the stretcher: the heat-insulating blanket has good toughness, portability, softness and strong plasticity and can be used as a stretcher. The heat-insulating blanket has heat-insulating property, and can be used together with heat-insulating equipment under very cold weather conditions to cope with extreme environments; the heat-insulating blanket has the advantages that the heat-insulating blanket is convenient to carry, can be carried by one hand during outdoor activities, and can be carried by self-driving, walking, riding and camping outdoors at ordinary times. Because the temperature is often lower when outdoor activities arrive at night, the cold-proof heat-preservation blanket can be used in a large place. For example, a cold-proof insulation blanket may be laid inside the tent or included outside the sleeping bag once the sleeping bag is at an insufficient temperature. The cold-proof heat-insulating blanket has the advantages that even if the blanket is completely soaked in water, the water drops can be shaken off when the blanket is opened in use, and the heat-insulating effect cannot be influenced. The temporary tent can be built in an emergency when raining, or the temporary rain cape can be used. If the outdoor activities have unexpected conditions, the emergency blanket becomes a sleeping bag when no equipment is provided and the mountains need to stay overnight, so that more guarantee can be provided for the life; based on the functions of the (1), (2), (3) and (4), the defect of single function of the heat-insulating blanket is overcome, and the application effects of first aid, prevention and temperature loss relief are guaranteed.

2. The thermal inflator adopted in the patent comprises a thermal inflation circuit, wherein the thermal inflation circuit comprises a central control circuit A0101, a first input end of the central control circuit A0101 is connected with a temperature control detection circuit A0201, a second input end of the central control circuit A0101 is connected with an airflow detection circuit A0301, a first output end of the central control circuit A0101 is connected with a temperature control circuit A0601, the temperature control circuit A0601 is connected with a heating drive circuit A0701, and the heating drive circuit A0701 is connected with a heater circuit A0801; the thermal inflation circuit further comprises a selection circuit A0401, one output end of the selection circuit A0401 is connected with a manual circuit A0501, the other output end of the selection circuit A0401 is connected with a temperature control circuit A0601, the manual circuit A0501 is connected with a heater circuit A0801, the thermal insulation blanket further comprises the thermal inflation circuit, the module circuit enables a central control system to obtain inflation parameters through temperature control detection and airflow detection as input, the central control system enables the inflation parameters to adjust a temperature control module of the temperature control system, the temperature control module drives a heater to work through a heating driving module, corresponding manual temperature control or automatic temperature control can be carried out through a selection device, the circuit can rapidly heat up through a mode of exchanging hot air, the requirement of losing temperature of a human body is met, the thermal insulation blanket can be rapidly heated through the input of the hot air, and the functions of (1) heat preservation and (3) first aid can be rapidly realized.

3. This patent adopts well accuse circuit A0101 includes well accuse ware U0101, well accuse ware U0101 first output end is connected in temperature output end TEMP, and its second output end is connected in FLOW detection end FLOW, and its output end is connected in temperature control end CTL, because well accuse circuit mainly is receiving temperature output signal TEMP and FLOW detection signal FLOW to according to temperature output signal TEMP and FLOW detection signal FLOW output temperature control signal CTL.

4. The temperature control detection circuit A0201 comprises a temperature detector U0201, the output end of the temperature detector U0201 is connected to one end of a pull-up resistor R0201 and connected to a temperature output end TEMP, a VCC power supply end is connected with a grounding end through a capacitor C0201, the temperature control detection circuit adopts a TCL series sensor and adopts 5V voltage for power supply, a 0.1U capacitor is connected between a power supply and the ground, and a TEMP signal can be output and read by a central controller; the output voltage and the output temperature are linearly changed, and the output precision is ensured.

5. This patent adopts air current detection circuitry A0301 includes the bridge balanced structure who comprises thermistor VR0301, thermistor VR0302, resistance R0301 and resistance R0302, thermistor VR0301 and thermistor VR 0302's common port is connected in FLOW detection end FLOW, resistance R0301 and resistance R0302's common port ground connection, air current detection circuitry is close to the hot gas source fluid, because when the gas is static, because thermistor VR0302, resistance R0301 resistance equal, and install at the hot gas FLOW path both ends symmetrically, consequently measure the bridge and be in balanced state, no signal voltage output in bridge circuitry both ends. When the gas flows, the symmetry of the temperature distribution along the axial direction of the pipeline is destroyed, so that the rising temperature of the thermistor at the front end of the heat source is lower than the rising temperature of the thermistor at the rear end of the heat source, the resistance values of the thermistor VR0301 and the thermistor VR0302 are unequal, the bridge balance is destroyed, and then the output end of the bridge circuit outputs a voltage signal. The larger the gas flow (i.e. the faster the speed is), the unequal the resistance changes of the thermistor VR0302 and the resistor R0301 are, and the higher the voltage signal output at the two ends of the bridge circuit is. Therefore, the dial of the signal voltmeter is directly engraved with the flow value, so that the signal voltmeter becomes the flow meter.

6. This patent adopts select circuit A0401 includes dip switch U0401, dip switch U0401's first input is connected in the CTL end, its first input ground connection, dip switch U0401's third input and third output connect in switch KL0501 both ends respectively, because switch circuit mainly includes dip switch, when dip switch dials to one side, CTL signal ground connection, the automatic control disconnection, when dip switch's third section is dialled to one side, the master switch is disconnected, manual control is disconnected, consequently, manual and automatic selection has been realized.

7. This patent adopts manual circuit A0501 includes switch KL0501, switch KL0501 one end is connected in heating drive circuit A0701's output, and its other end is connected in resistance R0501's one end, resistance R0501's the other end is connected in the one end of 220V power, the other end of 220V power is connected in heater circuit A0801's return circuit end and heating drive circuit A0701's return circuit end, because manual circuit is exactly a switch, after the disconnection, adopts automatic control.

8. The temperature control circuit A0601 comprises a transistor Q0601, wherein a base electrode of the transistor Q0601 is connected to a temperature control end CTL of a central controller U0101 and is connected to a pull-up resistor R0601, a collector electrode of the transistor Q0601 is grounded, an emitter electrode of the transistor Q0601 is connected to one end of a relay coil S0601-M, the other end of the relay coil S0601-M is connected with a VCC power supply end, the VCC power supply end is connected with a grounding end through a capacitor C0601 and is connected to an anode of a diode D0601, a cathode of the diode D0601 is connected to one primary end of a step-up transformer T0601, the other primary end of the step-up transformer T0601 is grounded, two secondary ends of the step-up transformer T0601 are respectively connected to two input ends of a heating driving circuit A0701, the step-up of the transformer is controlled through the switching application of a triode, the step-up transformer boosts the pulsating direct current into 220V pulsating current which is used as a control signal of the driving circuit, and the driving circuit is driven to work due to the work of the relay coil 1, so that the synchronism is ensured.

9. This patent adopts heating drive circuit A0701 includes relay coil S0701-M, relay coil S0701-M one end is connected in relay switch S0701-J 'S one end, relay coil S0701-M' S the other end and relay switch S0701-J 'S the other end are connected respectively in two output of temperature control circuit A0601 to the other end of relay switch S0701-J connects in an input of manual circuit A0501, and the other end of relay coil S0701-M connects in an input of heater circuit A0801, because this drive circuit also has a relay 2, relay 2 and heater are established ties, also are synchronous with the temperature control circuit, have guaranteed the synchronism, simultaneously, through the control of second grade drive, have also guaranteed drive current' S reliability.

10. This patent adopts heater circuit A0801 includes heater M0801, heater M0801 and relay switch S0701-J connect in parallel between two output of heating drive circuit A0701 to and between the 220V power of series connection manual circuit A0501, because relay 2 and heater establish ties in this circuit, have improved the problem nature of heater work.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a circuit block diagram of the thermal charging circuit of the present invention;

fig. 3 is a schematic circuit diagram of a central control circuit a0101 according to the present invention;

fig. 4 is a schematic circuit diagram of the temperature detector U0201 according to the present invention;

fig. 5 is a schematic circuit diagram of an airflow detection circuit a0301 of the present invention;

fig. 6 is a schematic circuit diagram of the selection circuit a0401 of the present invention;

fig. 7 is a schematic circuit diagram of a manual circuit a0501 of the present invention;

fig. 8 is a schematic circuit diagram of a temperature control circuit a0601 according to the present invention;

fig. 9 is a schematic circuit diagram of a heating drive circuit a0701 according to the present invention;

fig. 10 is a schematic circuit diagram of the heater circuit a0801 of the present invention;

fig. 11 is a schematic structural view of the stretcher assembled with the first-aid heat-preservation blanket of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

in the figure:

1-a thermal inflation part, 2-a thermal inflation layer, 3-an upper thermal buffer layer, 4-a lower thermal buffer layer, 5-a thermal insulation sleeve, 6-a detachable coat, 7-a thermal inflation pipe, 8-a stretcher hole sleeve, 9-a stretcher and 10-a towing belt;

a0101-central control circuit, U0201-temperature detector, A0301-air flow detection circuit, A0401-selection circuit, A0501-manual circuit, A0601-temperature control circuit, A0701-heating drive circuit and A0801-heater circuit;

u0101-center controller, U0201-temperature detector, R0201-pull-up resistor, C0201-capacitor, VR 0301-thermistor, VR 0302-thermistor, R0301-resistor, R0302-resistor, U0401-toggle switch, KL 0501-power switch, R0501-resistor, Q0601-transistor, R0601-pull-up resistor, S0601-relay, C0601-capacitor, D0601-diode, T0601-step-up transformer, S0701-relay, M0801-heater;

example (b):

in this embodiment: as shown in fig. 1 and 10, 1, a novel multifunctional emergency heat-insulating blanket is characterized by comprising a thermal inflation portion 1, wherein the thermal inflation portion 1 comprises a thermal inflation layer 2, the upper surface and the lower surface of the thermal inflation layer 2 are respectively provided with a thermal buffer layer, the thermal buffer layer comprises an upper thermal buffer layer 3 and a lower thermal buffer layer 4, the surface of the thermal buffer layer is provided with a heat-insulating jacket 5, the outer surface of the heat-insulating jacket 5 is provided with a detachable jacket 6 composed of a polymer film and a metal reflection layer, and the thermal inflation layer 2 is connected with a thermal inflation device through a thermal inflation pipe 7;

the bottom of the detachable jacket 6 is longitudinally provided with symmetrical stretcher hole sleeves 8, a stretcher 9 passes through the stretcher hole sleeves 8, and the tows 10 are transversely distributed among the stretcher hole sleeves 8.

As shown in fig. 2, the thermal inflator includes a thermal inflator circuit, the thermal inflator circuit includes a central control circuit a0101, a first input end of the central control circuit a0101 is connected to a temperature control detection circuit a0201, a second input end thereof is connected to an airflow detection circuit a0301, a first output end thereof is connected to a temperature control circuit a0601, the temperature control circuit a0601 is connected to a heating driving circuit a0701, and the heating driving circuit a0701 is connected to a heater circuit a0801;

as shown in fig. 3, the thermal charging circuit further includes a selection circuit a0401, one output terminal of the selection circuit a0401 is connected to a manual circuit a0501, the other output terminal thereof is connected to a temperature control circuit a0601, and the manual circuit a0501 is connected to the heater circuit a0801.

As shown in fig. 4, the central control circuit a0101 includes a central controller U0101, a first output end of the central controller U0101 is connected to the temperature output end TEMP, a second output end thereof is connected to the FLOW detection end FLOW, and an output end thereof is connected to the temperature control end CTL.

As shown in fig. 5, the temperature control detection circuit a0201 includes a temperature detector U0201, an output terminal of the temperature detector U0201 is connected to one end of the pull-up resistor R0201 and to a temperature output terminal TEMP, and a power supply terminal and a ground terminal of VCC are connected through a capacitor C0201.

As shown in fig. 6, the airflow detecting circuit a0301 includes a bridge balance structure composed of a thermistor VR0301, a thermistor VR0302, a resistor R0301, and a resistor R0302, a common terminal of the thermistor VR0301 and the thermistor VR0302 is connected to the FLOW detecting terminal FLOW, a common terminal of the resistor R0301 and the resistor R0302 is grounded, and the airflow detecting circuit is close to the hot gas source fluid.

As shown in fig. 7, the selection circuit a0401 includes a dial switch U0401, a first input terminal of the dial switch U0401 is connected to the CTL terminal, a first input terminal thereof is grounded, and a third input terminal and a third output terminal of the dial switch U0401 are respectively connected in parallel to two terminals of the power switch KL 0501.

As shown in fig. 8, the manual circuit a0501 includes a power switch KL0501, one end of the power switch KL0501 is connected to the output end of the heating driving circuit a0701, the other end thereof is connected to one end of the resistor R0501, the other end of the resistor R0501 is connected to one end of the 220V power supply, the other end of the 220V power supply is connected to the loop end of the heater circuit a0801 and the loop end of the heating driving circuit a 0701.

As shown in fig. 9, the temperature control circuit a0601 includes a transistor Q0601, a base of the transistor Q0601 is connected to the temperature control end CTL of the central controller U0101, and is connected to the pull-up resistor R0601, a collector of the transistor Q0601 is grounded, an emitter of the transistor Q0601 is connected to one end of the relay coil S0601-M, the other end of the relay coil S0601-M is connected to a VCC power supply end, the VCC power supply end is connected to a ground end through a capacitor C0601 and is connected to an anode of a diode D0601, a cathode of the diode D0601 is connected to one primary end of a step-up transformer T0601, the other primary end of the step-up transformer T0601 is grounded, and two secondary ends of the step-up transformer T0601 are respectively connected to two input ends of the heating driving circuit a 0701.

As shown in fig. 10, the heating driving circuit a0701 comprises a relay coil S0701-M, one end of the relay coil S0701-M is connected to one end of a relay switch S0701-J, the other end of the relay coil S0701-M and the other end of the relay switch S0701-J are respectively connected to two output ends of a temperature control circuit a0601, the other end of the relay switch S0701-J is connected to one input end of a manual circuit a0501, and the other end of the relay coil S0701-M is connected to one input end of a heater circuit a0801.

As shown in fig. 11, the heater circuit a0801 includes a heater M0801, and the heater M0801 and relay switches S0701-J are connected in parallel between two output terminals of the heating drive circuit a0701 and between 220V power supplies of the serial manual circuit a 0501.

The working principle is as follows:

according to the thermal inflation device, the thermal inflation part comprises a thermal inflation layer, the upper surface and the lower surface of the thermal inflation layer are respectively provided with a thermal buffer layer, the thermal buffer layer comprises an upper thermal buffer layer and a lower thermal buffer layer, the surface of the thermal buffer layer is provided with a heat insulation sleeve, the outer surface of the heat insulation sleeve is provided with a detachable jacket consisting of a polymer film and a metal reflection layer, and the thermal inflation layer is connected with a thermal inflation device through a thermal inflation pipe; the stretcher hole cover of removable overcoat bottom vertical setting symmetry, pass the stretcher in the stretcher hole cover, the transverse distribution tow between the stretcher hole cover, because this insulation blanket adopts the hot buffer layer of setting up respectively on the surface about the thermal inflation layer, the hot buffer layer includes hot buffer layer and lower hot buffer layer, hot buffer layer surface sets up the insulation cover, and the insulation blanket is a membrane that covers metallic coating essentially, can reflect and reach 97% heat radiation, and it is big to bear the temperature range, with low costs, light in weight, has realized (1) and has kept warm: the heat-insulating blanket is to keep warm as the name suggests, when feeling cold, the blanket is wrapped on the body or the part which is easy to be frozen, and can reflect the heat emitted by the human body to achieve the effect of heat insulation; meanwhile, the outer surface of the insulating sleeve is provided with a detachable coat consisting of a polymer film and a metal reflecting layer, and the polymer film and the metal reflecting layer have a light reflecting effect, so that (2) light reflection is realized: when a person is in distress outdoors, the heat-insulating blanket is wrapped on the person, and the light-reflecting effect of the heat-insulating blanket is utilized to help rescue workers to find a target; simultaneously, through the foundation structure of heat preservation blanket with the heat is aerifyd the layer and is passed through the combination that heat inflation pipe connects hot aerating device, has realized (3) first aid: the temperature drop can aggravate the injury of the injured person, and the wrapping of the heat-insulating blanket is a protection for the injured person. In addition, when the wounded patient is seen to wrap the thermal blanket, which indicates that the person is wounded and has undergone a primary emergency, the medical staff will take priority to further examination and treatment, and the chance of the wounded patient getting a rescue increases. The combination can be used together, and can cope with extreme environments; simultaneously, through the stretcher hole cover of removable overcoat bottom vertically setting up the symmetry, pass the stretcher in the stretcher hole cover, the transverse distribution traction between the stretcher hole cover has realized (4) as the stretcher: the heat-insulating blanket has good toughness, portability, softness and strong plasticity and can be used as a stretcher. The heat-insulating blanket has heat-insulating property, and can be used together with heat-insulating equipment under very cold weather conditions to cope with extreme environments; the heat preservation blanket has the advantages of being portable, capable of being carried by one hand during outdoor activities, and capable of being carried by self-driving, walking, riding and camping outdoors at ordinary times. Because the temperature is often lower when outdoor activities arrive at night, the cold-proof heat-preservation blanket can be used in a large place. For example, a cold-proof insulation blanket may be laid inside the tent or included outside the sleeping bag once the sleeping bag is at an insufficient temperature. The cold-proof heat-insulating blanket has the advantages that even if the blanket is completely soaked in water, the water drops can be shaken off when the blanket is opened in use, and the heat-insulating effect cannot be influenced. The temporary tent can be built in an emergency when raining, or the temporary rain cape can be used. If unexpected situation appears in outdoor activities, do not have any equipment and need be when the mountain is overnight, the first aid blanket just becomes the sleeping bag, can provide more guarantees for life, the utility model provides a prior art has current first aid heat preservation blanket function singleness to lead to influencing the first aid, preventing and alleviating the problem of losing temperature, have the defect of having overcome heat preservation blanket function singleness, ensured the first aid, prevent and alleviate the beneficial technological effect of the application effect of losing temperature.

Regarding the usage scenario of the present insulation blanket, there may be various situations: (1) The outdoor heat preservation blanket can be used outdoors after being preheated for a certain time (generally 1-2 hours) by a household/medical power supply or specific vehicle-mounted charging equipment (such as emergency ambulance) before use, and the temperature of the heat preservation blanket after being preheated and heated can be maintained for more than 10 hours, which is enough for outdoor temporary use. (2) When the thermal insulation blanket is used in a ambulance, the person who loses the temperature or is injured is rescued in the field, and after the thermal insulation blanket is connected with a vehicle-mounted power supply of the ambulance, the thermal insulation blanket is used for carrying out body thermal insulation on the person who loses the temperature or is injured; (3) The medical care room is used, and after the heat-preservation blanket is connected with a power supply of the medical care room, the heat-preservation blanket is used for preserving the body of a patient or a wounded.

The normal use temperature of the heat preservation blanket is generally between 25 and 40 ℃, the maximum temperature is about 50 to 55 ℃, the heat preservation blanket is usually kept at about 30 ℃ most suitably, when the maximum heating temperature of the heat preservation blanket is 48 ℃, the surface maximum temperature is kept at 46 ℃, under the normal use condition, the surface temperature can be increased along with the increase of the electrifying heating time and finally reaches the thermal equilibrium, and when the temperature of the electric blanket is generally between 25 and 40 ℃, the heat preservation blanket is usually kept at about 30 ℃.

Utilize the technical scheme of the utility model, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. A novel multifunctional first-aid heat-insulating blanket is characterized by comprising a heat-inflating part, wherein the heat-inflating part comprises a heat-inflating layer, the upper surface and the lower surface of the heat-inflating layer are respectively provided with a heat buffer layer, the heat buffer layer comprises an upper heat buffer layer and a lower heat buffer layer, the surface of the heat buffer layer is provided with a heat-insulating sleeve, the outer surface of the heat-insulating sleeve is provided with a detachable coat consisting of a polymer film and a metal reflecting layer, and the heat-inflating layer is connected with a heat-inflating device through a heat-inflating pipe;

the detachable jacket is characterized in that symmetrical stretcher hole sleeves are longitudinally arranged at the bottom of the detachable jacket, a stretcher passes through the stretcher hole sleeves, and the tows are transversely distributed among the stretcher hole sleeves.

2. The first-aid thermal blanket according to claim 1, wherein the thermal inflator comprises a thermal inflator circuit, the thermal inflator circuit comprises a central control circuit a0101, a first input end of the central control circuit a0101 is connected to the temperature control detection circuit a0201, a second input end thereof is connected to the airflow detection circuit a0301, a first output end thereof is connected to the temperature control circuit a0601, the temperature control circuit a0601 is connected to the heating drive circuit a0701, and the heating drive circuit a0701 is connected to the heater circuit a0801;

the hot air charging circuit further comprises a selection circuit A0401, one output end of the selection circuit A0401 is connected with a manual circuit A0501, the other output end thereof is connected with a temperature control circuit A0601, and the manual circuit A0501 is connected with a heater circuit A0801.

3. The blanket of claim 2, wherein the central control circuit a0101 comprises a central controller U0101, a first output terminal of the central controller U0101 is connected to the temperature output terminal TEMP, a second output terminal thereof is connected to the FLOW rate detection terminal FLOW, and an output terminal thereof is connected to the temperature control terminal CTL.

4. The first-aid thermal insulation blanket of claim 2, wherein the temperature control detection circuit a0201 comprises a temperature detector U0201, an output terminal of the temperature detector U0201 is connected to one terminal of a pull-up resistor R0201 and to a temperature output terminal TEMP, and a VCC power supply terminal is connected to a ground terminal through a capacitor C0201.

5. The emergency thermal blanket of claim 2, wherein said air FLOW detection circuit a0301 comprises a bridge balanced structure consisting of a thermistor VR0301, a thermistor VR0302, a resistor R0301 and a resistor R0302, a common terminal of said thermistor VR0301 and said thermistor VR0302 is connected to the FLOW detection terminal FLOW, a common terminal of said resistor R0301 and said resistor R0302 is grounded, and said air FLOW detection circuit is close to the hot gas source fluid.

6. The blanket of claim 2, wherein the selection circuit a0401 comprises a dial switch U0401, a first input terminal of the dial switch U0401 is connected to the CTL terminal, a first input terminal thereof is grounded, and a third input terminal and a third output terminal of the dial switch U0401 are respectively connected in parallel to two terminals of a power switch KL 0501.

7. The first-aid thermal blanket according to claim 2, wherein the manual circuit a0501 comprises a power switch KL0501, one end of the power switch KL0501 is connected to the output end of the heating driving circuit a0701, the other end of the power switch KL0501 is connected to one end of a resistor R0501, the other end of the resistor R0501 is connected to one end of a 220V power supply, and the other end of the 220V power supply is connected to the loop end of the heater circuit a0801 and the loop end of the heating driving circuit a 0701.

8. The first-aid thermal blanket as claimed in claim 2, wherein the temperature control circuit a0601 comprises a transistor Q0601, the base of the transistor Q0601 is connected to the temperature control end CTL of the central controller U0101 and to the pull-up resistor R0601, the collector thereof is grounded, the emitter thereof is connected to one end of the relay coil S0601-M, the other end of the relay coil S0601-M is connected to a VCC power supply end, the VCC power supply end is connected to the ground end through a capacitor C0601 and to the anode of a diode D0601, the cathode of the diode D0601 is connected to one primary end of a step-up transformer T0601, the other primary end of the step-up transformer T0601 is grounded, and the two secondary ends of the step-up transformer T0601 are respectively connected to the two input ends of the heating driving circuit a 0701.

9. The emergency heat-insulating blanket as claimed in claim 2, wherein the heating driving circuit a0701 comprises a relay coil S0701-M, one end of the relay coil S0701-M is connected to one end of a relay switch S0701-J, the other end of the relay coil S0701-M and the other end of the relay switch S0701-J are respectively connected to two output ends of the temperature control circuit a0601, the other end of the relay switch S0701-J is connected to one input end of a manual circuit a0501, and the other end of the relay coil S0701-M is connected to one input end of a heater circuit a0801.

10. The first-aid thermal blanket according to claim 2, wherein the heater circuit a0801 comprises a heater M0801, and the heater M0801 and a relay switch S0701-J are connected in parallel between two output terminals of the heating driving circuit a0701 and between 220V power supplies of a series manual circuit a 0501.

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