CN210096714U - Cooler and oxygen respirator comprising same - Google Patents
Cooler and oxygen respirator comprising same Download PDFInfo
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- CN210096714U CN210096714U CN201920427227.2U CN201920427227U CN210096714U CN 210096714 U CN210096714 U CN 210096714U CN 201920427227 U CN201920427227 U CN 201920427227U CN 210096714 U CN210096714 U CN 210096714U
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- cooler
- inner shell
- shell
- heat
- connecting pipe
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Abstract
The utility model relates to a safety protection technical field, in particular to cooler, include: the heat exchanger comprises an outer shell, an inner shell, a cooler cover, a heat conducting piece and a refrigerant. The inner shell is arranged in the shell, and the outer side of the inner shell and the inner side of the outer shell form a closed airflow cavity; the air inlet and the air outlet are arranged on the outer shell and are communicated with the airflow cavity; the heat conducting member is connected to the outer surface of the inner case. The refrigerant is arranged in the inner chamber of the inner shell and used for absorbing heat and reducing temperature; the cooler cover is fixedly connected with the opening of the inner shell, and the cooler cover is used for closing the inner chamber of the inner shell. The utility model also provides an oxygen respirator who comprises above-mentioned cooler. The cooler and the oxygen respirator comprising the cooler have good cooling effect; meanwhile, in the using process of the oxygen respirator, refrigeration equipment does not need to be equipped for preparing ice blocks in advance, and the oxygen respirator is convenient to use.
Description
Technical Field
The utility model relates to a safety protection technical field, in particular to cooler and oxygen respirator who constitutes thereof.
Background
A fire-fighting isolation type positive pressure oxygen respirator (hereinafter referred to as oxygen respirator) is a breathing protector which is completely isolated from the outside atmosphere and is widely applied to the fields of high-rise buildings, chemical engineering units, military facilities, underground engineering, mines and the like. When harmful gas is generated due to fire, toxic gas leakage, gas explosion and the like, field personnel can protect the respiratory system of the field personnel through the oxygen respirator.
Oxygen respirators are also known as isolated compressed oxygen respirators. The respiratory system is isolated from the outside, the instrument and the respiratory system of the human body form internal circulation, oxygen is provided by a high-pressure gas cylinder, and gas during breathing and inhaling is stored by an air bag. The temperature of the working environment used by the oxygen respirator is sometimes up to more than 40 ℃, and the oxygen respirator is used for purifying CO in the tank2Absorbent and CO in human exhaled breath2The reaction generates a large amount of heat, which is difficult for people wearing the oxygen respirator to endure, so that the conventional oxygen respirator is provided with an ice box inside to reduce the temperature of inhaled gas. However, the cooling effect of the ice box is not good, the temperature at the later stage is still high (close to 40 ℃), and the ice box is also inconvenient to be provided with a freezing device to prepare ice blocks or frozen blue ice in advance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cooler and oxygen respirator who constitutes thereof has solved the poor technical problem of cooling effect of oxygen respirator among the prior art.
In order to solve the above technical problem, the utility model provides a cooler, include: the cooling device comprises an outer shell provided with an air inlet and an air outlet, an inner shell with an opening at the top, a cooler cover matched with the opening at the top of the inner shell, a heat conducting piece and a refrigerant;
the inner shell is arranged on the inner side of the outer shell, and the outer side of the inner shell and the inner side area of the outer shell form a closed airflow cavity; the air inlet and the air outlet are communicated with the airflow cavity;
the heat conducting piece is connected with the outer surface of the inner shell and is used for transferring heat carried by gas in the airflow cavity to the inner chamber of the inner shell;
the refrigerant is arranged in the inner chamber of the inner shell and used for absorbing heat and reducing temperature; the cooler cover is fixedly connected with the opening of the inner shell, and the cooler cover is used for closing the inner chamber of the inner shell.
Further, the method also comprises the following steps: an upper heat-conducting plate and a lower heat-conducting plate;
the upper heat conducting plate and the lower heat conducting plate are vertically and crossly fixed in the inner shell.
Further, the method also comprises the following steps: a boss;
the lower end of the boss is fixedly connected with the bottom of the inner side of the outer shell; the upper end of the boss is abutted against the bottom of the outer side of the inner shell.
Further, the method also comprises the following steps: an upper cover of the inner shell; the upper cover of the inner shell is arranged at the opening at the top of the inner shell and used for sealing the inner cavity of the inner shell.
Further, the method also comprises the following steps: a viscose ring; the adhesive ring is arranged at the joint of the cooler cover and the top opening of the inner shell.
Further, the heat conducting member is a plurality of heat conducting metal sheets fixed on the outer surface of the inner housing.
The embodiment of the utility model provides an oxygen respirator is still provided, include: the device comprises a breathing mask, a breathing tee joint, a first connecting pipe, a cleaning tank, a second connecting pipe, an air bag, a pressure reducer, an oxygen tank, a cylinder valve and a cooler;
the breathing mask is connected with a first interface of the breathing tee;
one end of the first connecting pipe is connected with a second interface of the breathing tee joint, the other end of the first connecting pipe is connected with one end of the cleaning tank, and the other end of the cleaning tank is connected with the air bag;
one end of the second connecting pipe is connected with a third interface of the breathing tee joint, the other end of the second connecting pipe is connected with an air outlet of the cooler, and an air inlet and an air outlet of the cooler are connected with the air bag;
the air bag is connected with the oxygen tank through the pressure reducer, and the cylinder valve is arranged on a pipeline between the pressure reducer and the oxygen tank.
Further, the first connecting pipe and the second connecting pipe are hoses.
The utility model provides a pair of one or more technical scheme possesses following beneficial effect at least:
the utility model provides a cooler, interior casing setting is in the shell inboard, the outside of interior casing and the inboard regional confined air current chamber that forms of shell body, the high temperature air current passes through the in-process in inclosed air current chamber, because the conduction effect of radiating piece, with the indoor inner chamber of heat conduction to interior casing of air current, make the coolant quick heat absorption cooling of setting at inner shell inner chamber, thereby reduce the gas temperature of air current intracavity, flow through the gas outlet rapidly and inhaled by the people after the gas cooling of air current intracavity, the air current after the cooling can reach below 35 ℃ this moment, good cooling effect has. The oxygen respirator provided by the embodiment of the utility model consists of the cooler, so that the oxygen respirator has good cooling effect; meanwhile, in the using process of the oxygen respirator, refrigeration equipment does not need to be equipped for preparing ice blocks in advance, and the oxygen respirator is convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a cooler according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an oxygen respirator according to an embodiment of the present invention.
Detailed Description
The embodiment of the utility model provides a through providing a cooler and oxygen respirator who constitutes, solved the poor technical problem of cooling effect of oxygen respirator among the prior art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a cooler, including: the refrigerator comprises an outer shell 1 provided with an air inlet 5 and an air outlet 6, an inner shell 2 with an opening at the top, a cooler cover 3 matched with the opening at the top of the inner shell 2, a heat conducting piece 7 and a refrigerant 4. Wherein:
the inner shell 2 is arranged inside the outer shell 1, and the outer side of the inner shell 2 and the inner side of the outer shell 1 form a closed airflow cavity; the air inlet 5 and the air outlet 6 are communicated with the airflow cavity; the air inlet 5 and the air outlet 6 may be provided in the form of openings or in the form of connecting pipes, which are used in this embodiment.
The heat conducting member 7 is connected to the outer surface of the inner housing 2, and the heat conducting member 7 is used for transferring heat carried by the gas in the airflow chamber to the inside of the inner housing 2. Specifically, the heat-conducting member 7 may employ a plurality of heat-conducting metal sheets fixed to the outer surface of the inner housing 2. The plurality of heat conducting metal sheets are arranged in a staggered mode, so that the contact probability of gas and the heat conducting sheets is further increased, and the heat conducting effect is improved.
The refrigerant 4 is arranged in the inner chamber of the inner shell 2, and the refrigerant 4 is used for absorbing heat and reducing temperature. The cooler cover 3 is fixedly connected to an opening of the inner case 2, and the cooler cover 3 is used to close an inner chamber of the inner case 2 and prevent the refrigerant 4 from leaking. In order to further improve the sealing effect of the refrigerant 4, an upper cover of the inner shell 2 may be disposed at the top opening of the inner shell 2, and together with the cooler cover 3, a double-layer seal of the inner chamber of the inner shell 2 may be formed.
In an embodiment of the present invention, referring to fig. 1, in order to improve the heat conduction efficiency of the air flow cavity to the inner chamber of the inner shell 2, an upper heat-conducting plate 8 and a lower heat-conducting plate 9 are disposed in the cooler. The upper heat conducting plate 8 and the lower heat conducting plate 9 are vertically fixed in the inner shell 2 in a crossed way. The upper heat conducting plate 8 and the lower heat conducting plate 9 are made of rectangular metal materials (such as copper sheets), and the heat conducting plates made of metal materials have the advantage of heat conductivity.
In a specific embodiment provided by the present invention, referring to fig. 1, a boss 11 is provided in the cooler. The lower end of the boss 11 is fixedly connected with the bottom of the inner side of the outer shell 1; the upper end of the boss 11 abuts against the outer bottom of the inner case 2. The boss 11 is used for supporting the inner shell 2, the contact area of the boss 11 and the bottom of the outer side of the inner shell 2 is small, and the contact area of the bottom of the outer side of the inner shell 2 and gas in the gas flow cavity is not affected.
The utility model provides a specific embodiment, still include: and (6) gluing a rubber ring. The adhesive ring is arranged at the joint of the cooler cover 3 and the top opening of the inner shell 2, and the sealing performance of the cooler cover 3 and the inner shell 2 is further improved.
In addition, referring to fig. 1 and 2, the embodiment of the present invention further provides an oxygen respirator, including: a breathing mask 21, a breathing tee 30, a first connecting pipe 22, a purge tank 23, a second connecting pipe 24, an air bag 26, a pressure reducer 27, an oxygen tank 29, a cylinder valve 28, and a cooler 25 as described above. The first connection pipe 22 and the second connection pipe 24 are hoses. The breathing mask 21 is connected with a first interface of the breathing tee 30; one end of the first connecting pipe 22 is connected with the second interface of the breathing tee 30, the other end of the first connecting pipe 22 is connected with one end of the cleaning tank 23, and the other end of the cleaning tank 23 is connected with the air bag 26. One end of the second connecting pipe 24 is connected with the third interface of the breathing tee 30, the other end of the second connecting pipe 24 is connected with the air inlet 5 of the cooler 25, and the air outlet 6 of the cooler 25 is connected with the air bag 26. The air bag 26 is connected to an oxygen tank 29 through a pressure reducer 27, and a cylinder valve 28 is provided in a line between the pressure reducer 27 and the oxygen tank 29.
Referring to fig. 1, the working process of the cooler provided by the embodiment of the present invention is: high-temperature gas enters the airflow cavity through the gas inlet 5 of the cooler 25, and in the process that the gas passes through the closed airflow cavity, the heat in the airflow cavity is conducted to the inner chamber of the inner shell 2 due to the conduction function of the radiating piece, so that the coolant arranged in the inner chamber of the inner shell quickly absorbs heat and cools down, the temperature of the gas in the airflow cavity is reduced, and the gas in the airflow cavity rapidly flows out through the gas outlet 6 after being cooled down. Referring to fig. 1 and fig. 2, the working process of the oxygen respirator provided by the embodiment of the present invention is: after the cylinder valve 28 is opened, the oxygen in the oxygen tank 29 enters the pressure reduction device to reduce the pressure of the oxygen, and the oxygen output from the pressure reducer 27 enters the air bag 26 to be buffered and mixed. The gas in the airbag 26 enters the cooler 25 through the inlet of the cooler 25 for cooling, and the cooled gas enters the breathing mask 21 through the first connecting pipe 22 and the breathing tee 30 for breathing. The gas exhaled from the human body sequentially passes through the breathing mask 21, the first connecting pipe 22 and the breathing tee 30 to enter the cleaning tank 23, the exhaled carbon dioxide is absorbed in the cleaning tank 23, and the gas treated by the cleaning tank 23 enters the air bag 26 and is mixed with the gas in the air bag 26.
The embodiment of the utility model provides a one or more technical scheme possesses following beneficial effect at least:
the embodiment of the utility model provides a cooler, interior casing setting is inside the shell, the outside of interior casing and the inboard of shell body form confined air current chamber, the high temperature air current passes through the in-process in inclosed air current chamber, because the conduction effect of radiating piece, with the indoor inner chamber of heat conduction to interior casing of air current, make the coolant quick heat absorption cooling of setting in inner shell inner chamber, thereby reduce the gas temperature of air current intracavity, flow through the gas outlet rapidly and inhaled by the people after the gas cooling of air current intracavity, the air current after the cooling can reach below 35 ℃ this moment, good cooling effect has. The oxygen respirator provided by the embodiment of the utility model consists of the cooler, so that the oxygen respirator has good cooling effect; meanwhile, in the using process of the oxygen respirator, refrigeration equipment does not need to be equipped for preparing ice blocks in advance, and the oxygen respirator is convenient to use.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (8)
1. A cooler, comprising: the cooling device comprises an outer shell provided with an air inlet and an air outlet, an inner shell with an opening at the top, a cooler cover matched with the opening at the top of the inner shell, a heat conducting piece and a refrigerant;
the inner shell is arranged on the inner side of the outer shell, and the outer side of the inner shell and the inner side of the outer shell form a closed airflow cavity; the air inlet and the air outlet are communicated with the airflow cavity;
the heat conducting piece is connected with the outer surface of the inner shell and is used for transferring heat carried by gas in the airflow cavity to the inner chamber of the inner shell;
the refrigerant is arranged in the inner chamber of the inner shell and used for absorbing heat and reducing temperature; the cooler cover is fixedly connected with the opening of the inner shell, and the cooler cover is used for closing the inner chamber of the inner shell.
2. The cooler of claim 1, further comprising: an upper heat-conducting plate and a lower heat-conducting plate;
the upper heat conducting plate and the lower heat conducting plate are vertically and crossly fixed in the inner shell.
3. The cooler of claim 2, further comprising: a boss;
the lower end of the boss is fixedly connected with the bottom of the inner side of the outer shell; the upper end of the boss is abutted against the bottom of the outer side of the inner shell.
4. The cooler according to any one of claims 1 to 3, further comprising: an upper cover of the inner shell; the upper cover of the inner shell is arranged at the opening at the top of the inner shell and used for sealing the inner cavity of the inner shell.
5. The cooler according to any one of claims 1 to 3, further comprising: a viscose ring; the adhesive ring is arranged at the joint of the cooler cover and the top opening of the inner shell.
6. The cooler according to any one of claims 1 to 3, wherein said heat-conducting members are a plurality of heat-conducting metal plates fixed to an outer surface of said inner housing.
7. An oxygen respirator, comprising: a breathing mask, a breathing tee, a first connecting pipe, a cleaning tank, a second connecting pipe, an air bag, a pressure reducer, an oxygen tank, a cylinder valve and the cooler of claim 1;
the breathing mask is connected with a first interface of the breathing tee;
one end of the first connecting pipe is connected with a second interface of the breathing tee joint, the other end of the first connecting pipe is connected with one end of the cleaning tank, and the other end of the cleaning tank is connected with the air bag;
one end of the second connecting pipe is connected with a third interface of the breathing tee joint, the other end of the second connecting pipe is connected with an air outlet of the cooler, and an air inlet of the cooler is connected with the air bag;
the air bag is connected with the oxygen tank through the pressure reducer, and the cylinder valve is arranged on a pipeline between the pressure reducer and the oxygen tank.
8. The oxygen respirator of claim 7, wherein the first and second connecting tubes are hoses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427227.2U CN210096714U (en) | 2019-04-01 | 2019-04-01 | Cooler and oxygen respirator comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427227.2U CN210096714U (en) | 2019-04-01 | 2019-04-01 | Cooler and oxygen respirator comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210096714U true CN210096714U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920427227.2U Expired - Fee Related CN210096714U (en) | 2019-04-01 | 2019-04-01 | Cooler and oxygen respirator comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210096714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025900A (en) * | 2019-04-01 | 2019-07-19 | 沈阳科莱特安全装备有限公司 | The oxygen breathing apparatus of cooler and its composition |
-
2019
- 2019-04-01 CN CN201920427227.2U patent/CN210096714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025900A (en) * | 2019-04-01 | 2019-07-19 | 沈阳科莱特安全装备有限公司 | The oxygen breathing apparatus of cooler and its composition |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 |