Gas generating device

Abstract

The utility model provides a gas generating device which comprises a cup body, a stock bin and a filter bin, a reaction bin is formed in the cup body and connected with the filter bin through an exhaust channel, and the filter bin is provided with an exhaust port; the stock bin is detachably connected to the upper portion of the cup body, a material opening is formed in the lower end of the stock bin, and a feeding device is arranged and used for conveying a material B in the stock bin into the reaction bin through the material opening. The gas generating device provided by the utility model is convenient to operate and controllable in gas pressure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas device, in particular to a kind of device of gas generation. BACKGROUND

[0002] With the development of science and technology, portable gas generating devices are increasingly widely used in many fields, especially in medical, field operations and emergency rescue scenarios, portable gas generating devices are of great significance. The traditional gas supply mode often needs to store a large amount of gas in advance, which not only increases the weight and volume of the equipment, but also may cause safety hazards.

[0003] In the prior art, although there are some portable gas generating devices, most of the devices are complex in structure, inconvenient to use, difficult to control the reaction speed, gas pressure, etc., and cannot meet the needs in actual application. UTILITY MODEL CONTENTS

[0004] In view of the defects in the prior art, the utility model provides a gas generating device, which is convenient to operate and has controllable gas pressure.

[0005] The utility model provides a kind of gas generating device, comprising: cup body, bunker and filter bin, reaction bin is formed in the cup body, the reaction bin is connected with the filter bin by exhaust passage, the filter bin is equipped with exhaust port, cup body is used to place material A, bunker is used to place material B, and the material B is dry material;

[0006] The bunker is detachably connected above the cup body, the lower end of the bunker is provided with a material port, and a feeding device is arranged to convey the material B in the bunker to the reaction bin through the material port.

[0007] According to an embodiment of the utility model, the feeding device is a screw rod, and the screw rod is connected with a driving motor.

[0008] According to an embodiment of the utility model, the reaction bin is provided with a stirrer.

[0009] According to an embodiment of the utility model, the screw rod is drivingly connected with the stirrer.

[0010] According to an embodiment of the utility model, an electrical bin is further provided, and the electrical bin is provided with a main control board and a lithium battery.

[0011] According to an embodiment of the utility model, the main control board is provided with a sensor for detecting the gas pressure in the cup body.

[0012] According to an embodiment of the utility model, the electrical bin is located on the bunker, and the outside of the bunker is provided with a switch and a charging port.

[0013] According to an embodiment of the utility model, the filter bin is screwed at the upper end of the material bin, the air inlet of the filter bin is located at the bottom of the filter bin, and a check valve is arranged.

[0014] According to an embodiment of the utility model, the filter bin is a transparent bin body.

[0015] According to an embodiment of the utility model, the lower end of the material bin is provided with a cover body extending downward, and the material port of the material bin is located in the cover body.

[0016] The gas generating device of the utility model has the following beneficial effects by designing the reaction bin, the material bin and the feeding device:

[0017] 1. Convenient operation: the user can pre-store material A in the reaction bin and material B in the material bin, and according to the needs, the material B in the material bin is put into the reaction bin for reaction to generate gas, which is simple and convenient to operate, without complex operation steps, and is suitable for various scenes.

[0018] 2. High safety: the safety hazards caused by the traditional gas storage mode are avoided, and the on-site gas generation mode reduces the risks in the storage and transportation process.

[0019] 3. Strong adaptability: different reaction materials can be selected according to different needs, and various application scenes can be flexibly coped with, improving the adaptability and multifunctionality of the equipment.

[0020] 4. Precise control: the feeding device is arranged to control the amount and speed of material B put into the reaction bin, so as to control the reaction speed, gas generation amount and gas pressure and other parameters, and realize more precise gas generation control. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0022] Fig. 1 The structure schematic diagram of the gas generating device provided for an embodiment;

[0023] Fig. 2 The sectional view of the gas generating device;

[0024] Fig. 3 Another sectional view of the gas generating device.

[0025] Explanation of reference numerals

[0026] 1-cup, 2-bin, 21-material port, 22-exhaust passage, 23-cover, 3-filter bin, 31-exhaust port, 32-check valve, 4-top cover, 51-driving motor, 52-screw, 53-stirrer, 54-sensor, 61-switch, 62-charging port, 63-main control board, 64-lithium battery, 65-electric bin, 7-outlet pipe. DETAILED DESCRIPTION

[0027] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.

[0028] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be the usual meaning understood by the technical personnel in the field to which the utility model belongs.

[0029] Referring to Figs. 1-3 , the gas generating device provided in the embodiment includes a cup 1, a bin 2 and a filter bin 3. The cup 1 forms a reaction bin inside. The reaction bin is connected with the filter bin 3 through an exhaust passage 22. The filter bin 3 is provided with an exhaust port 31. The cup 1 is used to place material A. The bin 2 is used to place material B. The material B is dry material. Different materials can be configured according to needs to realize different functions, such as oxygen production, carbon dioxide production, etc. The function of the embodiment is to supply carbon dioxide to a fish tank. The material A is citric acid. The material B is baking soda.

[0030] The bin 2 is detachably connected above the cup 1. The lower end of the bin 2 is provided with a material port 21 and a feeding device for conveying the material B in the bin 2 into the reaction bin through the material port 21.

[0031] The gas generating device of the embodiment can realize convenient gas generation by designing the reaction bin, the bin 2 and the feeding device, and has the following beneficial effects:

[0032] 1. Convenient operation: the user can pre-place the material A in the reaction bin and the material B in the bin 2 to put the material B in the bin 2 into the reaction bin for reaction to generate gas according to needs. The operation is simple and convenient, and does not require complex operation steps, and is suitable for various scenes.

[0033] 2. High safety: the safety hidden danger caused by the traditional gas storage mode is avoided. The on-site gas generation mode reduces the risk in the storage and transportation process.

[0034] 3. Strong adaptability: different reactants can be selected according to different needs, and various application scenarios can be flexibly coped with, improving the adaptability and multifunctionality of the equipment.

[0035] 4. Precise control: the feeding device can control the amount and speed of material B fed into the reaction chamber, thereby controlling the reaction speed, gas production and gas pressure, etc., to achieve more precise gas generation control.

[0036] Specifically, the feeding device is a screw 52, and the screw 52 is connected with a driving motor 51 to form a screw conveying mechanism. The dosage of material B fed into the reaction chamber is accurately controlled by rotating the screw 52. A stirrer 53 is arranged in the reaction chamber to facilitate uniform mixing of the materials and sufficient reaction.

[0037] In this application, the screw 52 is drivingly connected with the stirrer 53, and the stirrer 53 is a silica gel hose connected with the screw 52. Specifically, a crosswise arranged connecting rod is arranged on the screw, and a plurality of vertical silica gel hoses are assembled on the connecting rod. The connecting rod is driven to rotate by the screw, thereby realizing the stirring function.

[0038] The gas generating device is also provided with an electrical chamber 65, and the electrical chamber 65 is provided with a main control board 63 and a lithium battery 64. Specifically, the electrical chamber 65 is located in the interlayer of the material chamber, and is externally provided with a switch 61 and a charging port 62. By separately arranging the electrical chamber 65, the damage of the main control board 63 caused by water is prevented.

[0039] Further, the main control board 63 is provided with a sensor 54 for detecting the gas pressure in the cup body 1. The main control board 63 can control the feeding amount and feeding speed of material B according to the gas pressure, and the control method is as follows: when the gas pressure in the cup body is less than a first preset value, material B is fed into the reaction chamber through the feeding device, so that the gas pressure is higher than a second preset value, and the second preset value is greater than the first preset value; when the gas pressure in the cup body is lower than the first preset value for a duration greater than a preset time length, the system judges that the material A is insufficient, stops feeding material B, and issues a warning to remind, and the reminding method is not limited to light, or mobile phone APP message reminding, etc. The purpose of this embodiment is to provide carbon dioxide for the fish tank, so the first preset value is set to 1.1 times atmospheric pressure, the second preset value is set to 1.5 times atmospheric pressure, and the preset time length is set to 5 minutes. According to different use purposes, the first preset value can also be 2 times, 3 times, or 4 times atmospheric pressure, and the second preset value can be 3 times, 4 times, or 5 times atmospheric pressure, etc.

[0040] Specifically, the filter chamber 3 is threadedly connected to the upper end of the material chamber 2, the gas inlet of the filter chamber 3 is located at the bottom of the filter chamber 3, and a check valve 32 is arranged. The check valve 32 is a duckbill valve. Water is injected into the filter chamber 3, and the gas generated by the reaction chamber is discharged after being washed by the filter chamber 3.

[0041] The filter bin 3 is a transparent bin body. The filter bin 3 is a transparent bin body, facilitating observation of the gas production rate through the bubbles. The filter bin 3 is provided with a top cover 4, and the top cover 4 is connected with a gas outlet pipe 7.

[0042] In this embodiment, the lower end of the bin 2 is further provided with a downwardly extending cover body 23, and the material port 21 of the bin 2 is located in the cover body 23. The air in the cover body 23 can form an air cavity, thereby avoiding the liquid in the reaction bin from entering the bin 2 through the material port 21 when the liquid level rises.

[0043] In the specification of the utility model, a large number of specific details are explained. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the specification.

[0044] In the description of the specification, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without mutual contradiction.

[0045] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model, and they should be covered in the scope of the claims and the specification of the utility model.

Claims

1. A gas generating device, characterized in that, Include: The cup (1), the bunker (2) and the filter bin (3), the reaction bin is formed in the cup (1), the reaction bin is connected with the filter bin (3) through exhaust passage (22), the filter bin (3) is equipped with exhaust port (31);The cup (1) is used for placing material A, the bunker (2) is used for placing material B, and the material B is dry material; The bunker (2) is detachably connected above the cup (1), the lower end of the bunker (2) is provided with material port (21), and is provided with a feeding device for conveying the material B in the bunker (2) into the reaction bin through the material port (21).

2. A gas generating device according to claim 1, wherein The feeding device is a screw (52), and the screw (52) is connected with a driving motor (51).

3. A gas generating device according to claim 2, wherein The reaction bin is provided with a stirrer (53).

4. A gas generating device according to claim 3, wherein The screw (52) is drivingly connected with the stirrer (53).

5. The gas generating device according to claim 1, wherein There is also an electrical bin (65), and the electrical bin (65) is provided with a main control board (63) and a lithium battery (64).

6. A gas generating device according to claim 5, wherein The main control board (63) is provided with a sensor (54) for detecting the air pressure in the cup (1).

7. A gas generating device according to claim 5, wherein The electrical bin (65) is located on the bunker (2), and the outside of the bunker (2) is provided with a switch (61) and a charging port (62).

8. The gas generating device according to claim 1, wherein The filter bin (3) is screw-connected to the upper end of the bunker (2), the air inlet of the filter bin (3) is located at the bottom of the filter bin (3), and a check valve (32) is arranged.

9. The gas generating device according to claim 1, wherein The filter bin (3) is a transparent bin body.

10. The gas generating device according to claim 1, wherein The lower end of the bunker (2) is provided with a downwardly extending cover body (23), and the material port (21) of the bunker (2) is located in the cover body (23).

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