CN212439748U

CN212439748U - Radiator for respirator and respirator

Info

Publication number: CN212439748U
Application number: CN202021547072.5U
Authority: CN
Inventors: 徐长安; 王舫; 崔志安; 刘昊; 高绪国
Original assignee: DALIAN SAMAT NEW MATERIALS CO LTD
Current assignee: Hangzhou teqin Fire Technology Co.,Ltd.
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-02-02
Anticipated expiration: 2030-07-30

Abstract

The application provides a radiator and respirator, the radiator includes air cavity, heat pipe, heat absorption fin and radiating fin, the air cavity is the tubulose, the air cavity is provided with radiator air inlet and radiator gas outlet, the heat pipe is provided with thermal-arrest end and heat dissipation end, the thermal-arrest end is inserted the inside of air cavity, the heat dissipation end is located the outside of air cavity, the heat absorption fin connect in the thermal-arrest end, radiating fin connect in the heat dissipation end. Through adopting above-mentioned technical scheme, the radiator can make the gaseous quick heat dissipation through the radiator, reduces gas temperature, improves the travelling comfort that uses the respirator.

Description

Radiator for respirator and respirator

Technical Field

The application belongs to emergency rescue equipment, and particularly relates to a radiator for a respirator and the respirator.

Background

A respirator commonly used by emergency rescue personnel at present is a compressed air respirator or a compressed oxygen respirator, the respirator takes compressed gas in a gas cylinder as an oxygen supply source, the size and the mass of the respirator are larger, the service time of the respirator is shorter, and the requirement of long-time work is difficult to meet.

In the prior art, a respirator adopting a chemical oxygen production mode mainly uses potassium superoxide to absorb water vapor exhaled by a human body and carbon dioxide to release oxygen, the respirator can keep the normal use time of 2 to 4 hours, and the effective rescue time of rescue workers can be prolonged.

However, in the using process of the respirator, because water and carbon dioxide exhaled by a human body are repeatedly circulated in the respirator, the reaction of potassium superoxide and the water and the carbon dioxide is violent and uncontrollable, the oxygen concentration is difficult to be stable in the whole using period, the oxygen concentration is easy to be suddenly high and suddenly low, and even the situations of insufficient oxygen and high carbon dioxide concentration can occur. In addition, because the reaction of the potassium superoxide with water and carbon dioxide is exothermic, the breathing temperature of the respirator is higher along with the use of the respirator, the wearing comfort is reduced, and the actual use time of the respirator is greatly shortened.

SUMMERY OF THE UTILITY MODEL

Based on the above problems of the prior art, the present application aims to provide a heat sink and a respirator that can be used for a long time without the problem of excessive temperature.

The application provides a radiator for respirator, the radiator includes air cavity, multiunit heat pipe, heat absorption fin and radiating fin, the air cavity is the tubulose, the air cavity is provided with radiator air inlet and radiator gas outlet, the multiunit heat pipe with the extending direction of air cavity is perpendicular, the heat pipe is provided with thermal-arrest end and heat dissipation end, the thermal-arrest end is inserted the inside of air cavity, the heat dissipation end is located the outside of air cavity, heat absorption fin connect in the thermal-arrest end, radiating fin connect in the heat dissipation end.

Preferably, two of the heat pipes of each set are oppositely inserted into the inside of the air chamber.

Preferably, the heat sink further comprises a heat dissipation fan, the heat dissipation fan is disposed near the heat dissipation fins, and the heat dissipation fan can blow air to the heat dissipation fins.

Preferably, the heat dissipation fan is disposed below the heat dissipation fins, and the heat dissipation fan can blow air upwards to the heat dissipation fins.

Preferably, a phase change material is disposed inside the heat pipe.

The present application also proposes a respirator comprising a shell and a heat sink for a respirator according to any one of the preceding claims, the heat sink being arranged inside the shell.

Preferably, the radiator further comprises an oxygen generating tank, and the radiator air inlet is connected to the oxygen generating tank.

Preferably, the respirator further comprises an inhaling airbag, an exhaling airbag, a mask, an exhaling pipe and an inhaling pipe, the mask provided for the user is connected to the exhaling airbag through the exhaling pipe and to the inhaling airbag through the inhaling pipe, and the exhaling airbag, the oxygen generating tank, the heat radiator and the inhaling airbag are sequentially connected in series.

Preferably, the housing is provided with an exhalation tube interface to which the exhalation tube is detachably connected and an inhalation tube interface to which the inhalation tube is detachably connected.

Through adopting above-mentioned technical scheme, the radiator can make the gaseous quick heat dissipation through the radiator, reduces gas temperature, improves the travelling comfort that uses the respirator.

Drawings

FIG. 1 shows a schematic view of a respirator according to an embodiment of the present application.

FIG. 2 shows a front cross-sectional view of a respirator according to an embodiment of the present application.

FIG. 3 illustrates a side cross-sectional view of a respirator according to embodiments of the present application.

FIG. 4 illustrates a side view of a respirator according to embodiments of the present application.

FIG. 5 shows a schematic structural view of a heat sink of a respirator according to an embodiment of the present application.

FIG. 6 shows a schematic structural view of an inspiratory air bag and an expiratory air bag of a respirator according to an embodiment of the present application.

Description of the reference numerals

1 casing 11 expiration pipe interface 12 inspiration pipe interface 13 fixed part 14 louvre

2 oxygen generating tank

3 radiator 31 air cavity 311 radiator air inlet 312 radiator air outlet 32 radiator heat pipe 321 heat collection end 322 heat absorption end 33 heat absorption end 34 heat absorption fin 35 radiator fan

4 air suction air bag 41 filter box

5 exhale air bag 51 exhaust valve 52 stay cord 53 circulation fan

6 mask

7 expiration pipe 71 expiration check valve

8 air suction pipe 81 air suction one-way valve

9 heat dissipation structure.

Detailed Description

Exemplary embodiments of the present application are described below with reference to the accompanying drawings. It should be understood that the detailed description is only intended to teach one skilled in the art how to practice the present application, and is not intended to be exhaustive or to limit the scope of the application.

As shown in fig. 1 to 6, the present application proposes a respirator which includes a housing 1, and in the housing 1, there are mainly provided an oxygen generating tank 2, a heat sink 3, an inhalation balloon 4, and an exhalation balloon 5. The face mask 6 communicates with the inspiration airbag 4 and the expiration airbag 5 in the housing 1 through an expiration duct 7 and an inspiration duct 8, respectively.

As shown in fig. 2 to 4, the housing 1 is provided with an exhalation tube port 11 communicating with the exhalation airbag 5 and an inhalation tube port 12 communicating with the inhalation airbag 4, the exhalation tube 7 is detachably connected to the exhalation tube port 11, and the inhalation tube 8 is detachably connected to the inhalation tube port 12. The housing 1 is provided with a fixing portion 13 for fixing the air-breathing bag 4 therein. The case 1 is provided with heat radiating holes 14, the heat radiating holes 14 may be located at the upper, middle, lower, bottom, etc. positions of the case 1, and the positions of the heat radiating holes 14 may be adjusted according to the installation positions of the components such as the heat sink 3, etc.

The oxygen generating tank 2 is capable of generating oxygen, for example, having chemical agents disposed therein, which are capable of reacting with water and carbon dioxide exhaled by the human body to produce oxygen.

As shown in fig. 5, the heat sink 3 includes an air chamber 31, a heat pipe 32, heat absorbing fins 33, heat radiating fins 34, and a heat radiating fan 35.

The air cavity 31 is tubular, and a radiator inlet 311 and a radiator outlet 312 are respectively disposed at both ends of the air cavity 31, the radiator inlet 311 may be located at a lower portion of the air cavity 31 as shown with reference to fig. 5, and the radiator outlet 312 may be located at an upper portion of the air cavity 31 as shown with reference to fig. 5. The radiator inlet 311 may be connected to the oxygen generating tank 2 through a pipe, and the radiator outlet 312 may be connected to the air-breathing bladder 4 through a pipe. When the respirator is in use, gas exhausted from the oxygen generating tank 2 enters the radiator 3 through the radiator inlet 311 and exits the radiator 3 through the radiator outlet 312.

The heat pipe 32 is perpendicular (including substantially perpendicular) to the extending direction of the air chamber 31, and a phase change material is provided inside the heat pipe 32, and the heat pipe 32 can rapidly conduct heat by the phase change of the phase change material. The heat pipe 32 has heat collecting ends 321 and heat radiating ends 322 at both ends, the heat collecting ends 321 being inserted into the inside of the air cavity 31, and the heat radiating ends 322 being located outside the air cavity 31. The heat pipes 32 may be provided in plural sets, two of each set of heat pipes 32, and two of each set of heat pipes 32 are oppositely inserted into the inside of the air chamber 31. The heat absorbing fins 33 and the heat dissipating fins 34 are fin-shaped. The heat absorbing fin 33 is connected to the heat collecting end 321, i.e., the heat absorbing fin 33 is located inside the air cavity 31, and the heat absorbing fin 33 can rapidly absorb heat carried by the gas flowing through the air cavity 31. The heat dissipating fins 34 are connected to the heat dissipating end 322, and the heat dissipating fins 34 are capable of dissipating heat transferred by the heat pipe 32.

A heat dissipation fan 35 may be disposed near the heat dissipation fins 34, for example, the heat dissipation fan 35 is located below the heat dissipation fins 34 as shown with reference to fig. 5, and the heat dissipation fan 35 may blow air upward to accelerate the air flow to the heat dissipation fins 34, so that the heat dissipation fins 34 dissipate heat quickly. The heat radiation fan 35 may be provided in plurality, for example, two.

The radiator 3 makes the heat that the oxygen generating tank 2 produced in the oxygen generating process can be rapidly distributed away, and the high-temperature oxygen is prevented from entering the air suction air bag 4.

As shown in fig. 1, the air-breathing bag 4 is provided with an air inlet and an air outlet, the air inlet of the air-breathing bag 4 is connected to the radiator air outlet 312, and the air outlet of the air-breathing bag 4 is connected to the mask 6 through the air-breathing tube 8. The expiration gasbag 5 is provided with an air inlet and an air outlet, the air inlet of the expiration gasbag 5 is connected with the face mask 6 through an expiration pipe 7, and the air outlet of the expiration gasbag 5 is connected with the air inlet of the oxygen generating tank 2.

The expiratory tube 7 is provided with an expiratory check valve 71, the expiratory check valve 71 enabling gas to enter the expiratory air-bag 5 through the expiratory tube 7. The suction tube 8 is provided with a suction check valve 81, and the suction check valve 81 enables the gas in the suction bag 4 to pass through the suction tube 8 to the mask 6.

As shown in fig. 1 and 6, the expiratory air-bag 5 and the inspiratory air-bag 4 are provided inside the housing 1. The volume of the inhalation balloon 4 is larger than that of the exhalation balloon 5, and the exhalation balloon 5 is disposed inside the inhalation balloon 4. The exhalation bladder 5 is used to contain exhaled gas, and the inhalation bladder 4 is used to contain gas released from the oxygen generating canister 2.

The expiration airbag 5 and the inspiration airbag 4 can have a superposition part, an exhaust valve 51 is arranged at the superposition part of the expiration airbag 5 and the inspiration airbag 4, a valve plate of the exhaust valve 51 is connected with one end of a pulling rope 52, and the other end of the pulling rope 52 is connected with the inspiration airbag 4. When the gas in the inhalation airbag 4 is excessively filled, the inhalation airbag 4 expands to collapse the tether 52, and the exhaust valve 51 is opened to discharge the gas in the exhalation airbag 5 to the exhalation airbag 5 and the inhalation airbag 4. It will be appreciated that the volume of the expiratory bladder 5 is reduced, allowing the inspiratory bladder 4 space to contain more oxygen. Moreover, the carbon dioxide in the expiration air bag 5 is discharged, so that the oxygen released after the carbon dioxide reacts with the composite oxygen generating agent in the oxygen generating tank 2 can be reduced, the continuous expansion of the inspiration air bag 4 is avoided, and the consumption of the oxygen generating agent is saved.

The air inlet of the air suction air bag 4 is provided with a filter box 41, a filter disc and a phase change material can be arranged in the filter box 41, the filter disc can filter dust, and the phase change material can absorb heat through a phase change process to reduce the temperature of air entering the air suction air bag 4.

The shapes of the inhalation airbag 4 and the exhalation airbag 5 may be formed in a cylindrical shape, a cubic shape, or the like according to the shape of the housing 1.

Further, a circulation fan 53 is provided between the air outlet of the expiratory air bag 5 and the air inlet of the oxygen generating tank, and the circulation fan 53 helps the gas in the expiratory air bag 5 to enter the inspiratory air bag 4 through the oxygen generating tank 2 and the heat sink 3.

The operation of the respirator having the radiator 3 described above will be described.

In an emergency, the user takes the mask 6 to breathe. When the user exhales, the exhalation check valve 71 connected between the exhalation tube 7 and the exhalation bag 5 is opened by a change in air pressure, and exhaled air, which includes carbon dioxide and water vapor, enters the exhalation bag 5 through the exhalation tube 7. The gas in the expiration air bag 5 is sent to the oxygen generating tank 2 by the circulating fan 53, and the gas can pass through the composite oxygen generating agent and the temperature reducing agent layer by layer. Carbon dioxide and water and compound oxygen generating agent reaction can generate oxygen and release heat, and the heat can be absorbed through the phase transition to the cooling agent, and compound oxygen generating agent and cooling agent set up in turn, can in time absorb the heat, reduce the gas temperature in the oxygen generating tank 2, alleviate the cooling pressure of back radiator 3. The alternate arrangement of the composite oxygen generating agent and the cooling agent can also ensure that the gas is fully contacted with the composite oxygen generating agent, the reaction is more thorough, the using amount of the composite oxygen generating agent can be reduced, and the respiratory resistance can be further reduced. At least part of the carbon dioxide reaction is consumed and oxygen is produced after passing through the oxygen generating tank 2. The temperature of the gas can be reduced through the heat dissipation structure 9 and the heat radiator 3, and the gas enters the air suction air bag 4 after being filtered and cooled through the filter box 41. When the user inhales, the inhalation check valve 81 is opened to allow the gas in the inhalation airbag 4 to be inhaled.

Claims

1. The heat radiator for the respirator is characterized in that the heat radiator (3) comprises an air cavity (31), a plurality of groups of heat pipes (32), heat absorbing fins (33) and heat radiating fins (34), the air cavity (31) is tubular, the air cavity (31) is provided with a heat radiator air inlet (311) and a heat radiator air outlet (312), the plurality of groups of heat pipes (32) are perpendicular to the extending direction of the air cavity (31), the heat pipes (32) are provided with heat collecting ends (321) and heat radiating ends (322), the heat collecting ends (321) are inserted into the air cavity (31), the heat radiating ends (322) are located outside the air cavity (31), the heat absorbing fins (33) are connected to the heat collecting ends (321), and the heat radiating fins (34) are connected to the heat radiating ends (322).

2. Radiator for a respirator according to claim 1, characterized in that two of said heat pipes (32) of each set are inserted opposite inside said air chamber (31).

3. Radiator for a respirator according to claim 1, characterized in that said radiator (3) further comprises a radiator fan (35), said radiator fan (35) being arranged in the vicinity of said radiator fins (34), said radiator fan (35) being able to blow air against said radiator fins (34).

4. Radiator for a respirator according to claim 3, characterized in that said heat dissipating fan (35) is arranged below said heat dissipating fins (34), said heat dissipating fan (35) being able to blow air upwards against said heat dissipating fins (34).

5. A heat sink for a respirator according to any of claims 1-4, characterized in that the inside of the heat pipe (32) is provided with a phase change material.

6. A respirator, characterized in that it comprises a shell (1) and a heat sink (3) for a respirator according to any one of claims 1 to 5, the heat sink (3) being arranged inside the shell (1).

7. The respirator of claim 6, wherein the radiator further comprises an oxygen generating tank (2), the radiator air inlet (311) being connected to the oxygen generating tank (2).

8. Respirator according to claim 7, further comprising an inspiration balloon (4), an expiration balloon (5), a face mask (6), an expiration tube (7) and an inspiration tube (8), the face mask (6) provided for the user being connected to the expiration balloon (5) through the expiration tube (7) and to the inspiration balloon (4) through the inspiration tube (8), the expiration balloon (5), the oxygen generating tank (2), the heat sink (3) and the inspiration balloon (4) being connected in series in that order.

9. Respirator according to claim 8, characterized in that the housing (1) is provided with an expiratory tube interface (11) and an inspiratory tube interface (12), the expiratory tube (7) being detachably connected to the expiratory tube interface (11), the inspiratory tube (8) being detachably connected to the inspiratory tube interface (12).