CN213698625U

CN213698625U - Oxygen generating device and chemical oxygen respirator

Info

Publication number: CN213698625U
Application number: CN202022307024.5U
Authority: CN
Inventors: 徐国风; 梁有琼
Original assignee: Guangzhou Yishan New Material Technology Co ltd
Current assignee: Guangzhou Yishan New Material Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-07-16
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses an oxygen generating device and a chemical oxygen respirator, wherein the oxygen generating device is provided with a tank body, an air inlet pipe and a cooling structure, a cavity inside the tank body is divided into a buffer chamber and an oxygen generating chamber, the cooling structure is arranged in the buffer chamber, when a user inhales air, high-temperature oxygen generated by chemical reaction can be cooled through the cooling structure, and therefore the risk that the respiratory tract of the user is scalded is reduced; meanwhile, the heat insulation layer is arranged between the oxygen generating chamber and the inner wall of the tank body, so that a path for transferring heat generated by chemical reaction during oxygen generation to the inner wall of the tank body can be blocked, the overheating condition of the tank body is prevented, and the situation that hands of a user are scalded when the hands of the user contact the tank body is avoided.

Description

Oxygen generating device and chemical oxygen respirator

Technical Field

The utility model relates to a breathing equipment field, in particular to oxygen generating device and chemical oxygen respirator.

Background

Chemical oxygen respirator on the existing market, user after using a period, the overheated phenomenon appears in the device that generates oxygen generally because the heat accumulation that chemical reaction produced, and at this moment, reaction heat not only breathes in through the user and gets into user's respiratory track, still can lead to the overheated of generating oxygen device outer wall, scalds the user easily.

Simultaneously, the inside reaction layer of oxygen generating device among the prior art generally has the condition that reaction efficiency is low to there is the problem that breathing resistance is big, greatly influences the use comfort level of user to chemical oxygen respirator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can avoid user by oxygen device and chemical oxygen respirator of scalding.

The utility model adopts the technical proposal that:

according to a first aspect of the present invention, there is provided an oxygen generator, comprising a tank body, a cavity formed inside the tank body, a buffer chamber and an oxygen generating chamber separated from the cavity, the buffer chamber being communicated with the oxygen generating chamber; the air inlet pipe is fixed at one end of the tank body and communicated with the buffer chamber; and a cooling structure disposed within the buffer chamber; wherein a heat insulation layer is arranged between the oxygen generating chamber and the inner wall of the tank body.

According to some embodiments of the invention, the insulating layer is an air layer, the air layer and the oxygen generating chamber are separated by a first separation net.

According to some embodiments of the utility model, at least one gas pocket, each are opened to the other end of the jar body the gas pocket all with the air bed intercommunication.

According to some embodiments of the invention, the cooling structure comprises at least one wire mesh.

According to some embodiments of the invention, each wire mesh is stacked and arranged and curled to form a mesh cylinder, the volume of the mesh cylinder being smaller than the volume of the buffer chamber.

According to some embodiments of the invention, the wire mesh is made of stainless steel.

According to some embodiments of the utility model, the oxygen generating chamber encircles the periphery of surge chamber, the indoor at least two district of putting of dividing of oxygen generating chamber, each put coaxial distribution in district, it is adjacent put and dispose the second between the district and separate the net.

According to some embodiments of the present invention, each of the drug-containing regions contains superoxide, and the particle diameter of superoxide in the drug-containing region near the buffer chamber is smaller than the particle diameter of superoxide in the drug-containing region far from the buffer chamber.

According to some embodiments of the invention, the buffer chamber and the oxygen generating chamber are separated by a third separation mesh.

According to a second aspect embodiment of the present invention, there is provided a chemical oxygen respirator, comprising an oxygen generating device according to the first aspect embodiment of the present invention.

The utility model has the advantages that: the utility model provides an oxygen generating device and a chemical oxygen respirator, wherein the oxygen generating device is provided with a tank body, an air inlet pipe and a cooling structure, a cavity in the tank body is separated to form a buffer chamber and an oxygen generating chamber, the cooling structure is arranged in the buffer chamber, when a user inhales air, high-temperature oxygen generated by chemical reaction can be cooled through the cooling structure, and therefore the risk of scalding the respiratory tract of the user is reduced; meanwhile, the heat insulation layer is arranged between the oxygen generating chamber and the inner wall of the tank body, so that the path for directly transmitting heat generated by chemical reaction during oxygen generation to the inner wall of the tank body can be cut off, the overheating condition of the tank body is prevented, and the situation that hands of a user are scalded when contacting the tank body is avoided.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a view showing an external appearance of an oxygen generator according to an embodiment of the present invention;

FIG. 2 is a longitudinal cross-sectional view of FIG. 1;

fig. 3 is a bottom view of fig. 1.

Detailed Description

This section will be described in detail the embodiments of the present invention with reference to the accompanying drawings, which are used to supplement the description of the text section of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as limiting the scope of the present invention.

As shown in fig. 1 to 3, the oxygen generator of the embodiment of the present invention comprises a tank 1, an air inlet pipe 2 and a cooling structure 3, wherein a cavity is formed inside the tank 1, and the cavity is partitioned into a buffer chamber 11 and an oxygen generating chamber 12, it can be understood that the buffer chamber 11 is communicated with the oxygen generating chamber 12; the air inlet pipe 2 is fixed at one end of the tank body 1, and the air inlet pipe 2 is communicated with the buffer chamber 11; the cooling structure 3 is disposed within the buffer chamber 11. More specifically, a heat insulation layer 13 is arranged between the oxygen generating chamber 12 and the inner wall of the tank body 1.

According to the embodiment of the utility model, the oxygen generating device is provided with the tank body 1, the air inlet pipe 2 and the cooling structure 3, the cavity inside the tank body 1 is divided into the buffer chamber 11 and the oxygen generating chamber 12, the cooling structure 3 is arranged in the buffer chamber 11, when a user inhales air, high-temperature oxygen generated by chemical reaction can be cooled through the cooling structure 3, and therefore the risk that the respiratory tract of the user is scalded is reduced; meanwhile, the heat insulation layer 13 is arranged between the oxygen generating chamber 12 and the inner wall of the tank body 1, so that the path for directly transmitting heat generated by chemical reaction during oxygen generation to the inner wall of the tank body 1 can be cut off, the overheating condition of the tank body 1 is further prevented, and the situation that the hands of a user are scalded when contacting the tank body 1 is avoided.

As shown in fig. 2, in this embodiment, the oxygen generating chamber 12 surrounds the periphery of the buffer chamber 11, and the heat insulating layer 13 surrounds the outside of the oxygen generating chamber 12, and the buffer chamber 11, the oxygen generating chamber 12 and the heat insulating layer 13 are coaxially distributed; more specifically, the heat insulating layer 13 is an air layer, and the air layer and the oxygen generating chamber 12 are separated by a first partition net. In another embodiment, the heat insulating layer 13 may be formed by coating the inner wall of the tank body 1 with a heat insulating material such as glass fiber, asbestos, rock wool, or silicate. Further, referring to fig. 3, the other end of the tank 1 is opened with four air holes 14, and each air hole 14 is communicated with an air layer; in order to achieve relatively uniform air outlet or air inlet amount of each air hole 14, the air holes 14 are distributed at equal intervals around the periphery of the end face of the tank body 1.

The utility model discloses an in some examples, cooling structure 3 includes at least a wire mesh, and after the gas that human body expired got into surge chamber 11 from intake pipe 2, the moisture that attaches to on the gas can be attached to on the wire mesh, when the human body breathes in, the higher oxygen of temperature was through the wire mesh, was siphoned away the heat by water, realized the effect of cooling, has effectively reduced the risk that the user was scalded. Furthermore, in this embodiment, the metal wire nets are stacked and curled to form a net cylinder, wherein the volume of the net cylinder is smaller than the volume of the buffer chamber 11, so that a sufficient space for the gas to flow through is left inside the buffer chamber 11, and since the gas enters the buffer chamber 11 and then turns 90 degrees, the gas can enter the oxygen generating chamber 12, the initial kinetic energy (i.e. gas flow velocity) of the gas entering the oxygen generating device is also reduced, and the reaction time of the gas in the oxygen generating chamber 12 is further prolonged, so that the oxygen generating reaction is more fully performed, and the oxygen generating efficiency is improved. In order to ensure the corrosion resistance of the wire mesh and improve the durability of the wire mesh, stainless steel can be used as the material for manufacturing the wire mesh in specific applications.

In some examples of the utility model, separate through the third separation net between buffer chamber 11 and the oxygen generating chamber 12, divide two at least district of putting the medicine in the oxygen generating chamber 12, respectively put the coaxial distribution of medicine district, dispose the second separation net between the adjacent district of putting the medicine, respectively hold superoxide compound in respectively putting the medicine district, and further, because reaction time is longer, superoxide compound just agglomerates more easily after the reaction, so set up the granule diameter of putting superoxide compound in the medicine district that is close to buffer chamber 11 and be less than keep away from buffer chamber 11 put superoxide compound's in the medicine district granule diameter shortens the reaction time of the little superoxide compound of granule, takes place with the condition that reduces the caking, improves reaction efficiency to the at utmost. As shown in fig. 2, the oxygen generating chamber 12 of this embodiment is divided into three drug-containing areas, each of which is named a first area 121, a second area 122 and a third area 123 in a direction away from the buffer chamber 11, wherein the diameter of the particles of the superoxide compounds contained in the first area 121 is 2mm to 4mm, the diameter of the particles of the superoxide compounds contained in the second area 122 is 5mm to 7mm, and the diameter of the particles of the superoxide compounds contained in the third area 123 is 8mm to 10 mm. It is understood that, in this embodiment, the first separating mesh, the second separating mesh and the third separating mesh are made of stainless steel or other metal materials.

According to a second aspect of the present invention, there is provided a chemical oxygen respirator, which comprises the oxygen generating device of the present invention.

According to the utility model discloses a chemical oxygen respirator of second aspect embodiment, through the configuration the utility model discloses the oxygen generating device of embodiment has reduced the possibility that the user is scalded, has also greatly improved user's use travelling comfort.

Of course, the design and creation of the present invention are not limited to the above embodiments, and the combination of different features of the above embodiments can also achieve good effects. Those skilled in the art can make equivalent changes or substitutions without departing from the spirit of the present invention, and such equivalent changes or substitutions are included in the scope defined by the claims of the present application.

Claims

1. An oxygen generating device, comprising:

the oxygen generating tank comprises a tank body, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein a cavity is formed in the tank body, a buffer chamber and an oxygen generating chamber are separated in the cavity, and the buffer chamber is communicated with the oxygen generating chamber;

the air inlet pipe is fixed at one end of the tank body and communicated with the buffer chamber; and

a cooling structure disposed within the buffer chamber;

wherein a heat insulation layer is arranged between the oxygen generating chamber and the inner wall of the tank body.

2. The oxygen generating device according to claim 1, wherein: the heat insulating layer is an air layer, and the air layer and the oxygen generating chamber are separated by a first separation net.

3. The oxygen generating device according to claim 2, wherein: the other end of the tank body is provided with at least one air hole, and each air hole is communicated with the air layer.

4. The oxygen generating device according to claim 1, wherein: the cooling structure comprises at least one wire mesh.

5. The oxygen generating device according to claim 4, wherein: and the metal wire nets are stacked and curled to form a net cylinder, and the volume of the net cylinder is smaller than that of the buffer chamber.

6. The oxygen generating device according to claim 5, wherein: the metal wire mesh is made of stainless steel.

7. The oxygen generating device according to claim 1, wherein: the oxygen generating chamber surrounds the periphery of the buffer chamber, at least two medicine containing areas are divided in the oxygen generating chamber, the medicine containing areas are coaxially distributed, and a second separation net is arranged between every two adjacent medicine containing areas.

8. The oxygen generating device according to claim 7, wherein: the particle diameter of the superoxide compounds in the drug containing area close to the buffer chamber is smaller than that of the superoxide compounds in the drug containing area far away from the buffer chamber.

9. The oxygen generating device according to any one of claims 1 to 8, wherein: the buffer chamber and the oxygen generating chamber are separated by a third partition net.

10. Chemical oxygen respirator, characterized in that it comprises an oxygen generating device according to any one of claims 1 to 9.