Hydrogen sulfide gas detector

By designing a recyclable hydrogen sulfide gas detector and using the recycling of colorimetric reagent aqueous solution and humectant, the problems of high cost, inconvenience of carrying and high failure rate in the existing technology are solved, realizing low-cost, portable and efficient hydrogen sulfide gas detection.

CN224095816UActive Publication Date: 2026-04-07MODERN TEXTILE TECH INNOVATION CENT (JIANHU LAB) +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing hydrogen sulfide detectors are costly, wasteful, inconvenient to carry, have a high failure rate, and have limited application scenarios.

Method used

A recyclable hydrogen sulfide gas detector was designed, including a storage chamber and an injection device. It adopts the recycling of colorimetric aqueous solution and humectant, combined with a portable structure and a small number of electronic components, to achieve the reuse of parts and portability.

Benefits of technology

It reduced testing costs, expanded the scope of application, improved portability and reliability, and reduced the failure rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The hydrogen sulfide gas detector comprises a bin body and an injection device, a driving motor is fixedly connected to the interior of the bin body, a stirring rod is fixedly connected to the output end of the driving motor, a box body is fixedly connected to the upper portion of the bin body, and connecting pipes are fixedly connected to the left side and the right side of the box body; a first sealing cover is in threaded connection with the outer portion of the other end of the connecting pipe, a connecting bin is fixedly connected to the upper portion of the box body, locking screw rods are in threaded connection with the left side and the right side of the connecting bin, an adsorption block is connected to the upper portion of the box body in an inserted mode, and a sealing ring is fixedly connected to the lower portion of the adsorption block; a connecting block is fixedly connected to the upper portion of the sealing ring, and open holes are formed in the left side and the right side of the connecting block. By means of the structure, part of parts in the detection process can be recycled, and the overall cost is reduced; and the device has the characteristics of wide application range, convenience in carrying, difficulty in failure and the like.
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Description

TECHNICAL FIELD

[0001] The utility model relates to harmful gas detection technical field, especially in kind hydrogen sulfide gas detector. BACKGROUND

[0002] Hydrogen sulfide is a colorless gas with strong rotten egg smell, and the gas is heavier than air and can diffuse to a considerable distance at a lower place. Hydrogen sulfide is a strong neurotoxin and has a strong stimulating effect on mucous membranes. Inhaling high-concentration hydrogen sulfide for a short time will cause tearing, eye pain, foreign body sensation in the eyes, photophobia, blurred vision, burning sensation in the throat, cough, chest tightness, headache, fatigue, and blurred consciousness. Some patients may have myocardial damage. Severe cases may have brain edema and pulmonary edema. Extremely high concentration can cause sudden coma, respiratory and cardiac arrest, and lightning-type death within a few seconds.

[0003] 1. In the prior art, part of the reagent type hydrogen sulfide detector is a disposable product during use, but in the scene where hydrogen sulfide concentration needs to be measured frequently, the disposable reagent type hydrogen sulfide detector has a high use cost, and the whole detection instrument needs to be discarded and recycled as garbage after use, so there is a certain waste in using the disposable reagent type hydrogen sulfide detector, and the overall detection cost is high.

[0004] 2. In the prior art, some parts of the hydrogen sulfide gas detector are more precise, and the overall device is large, so that this part of the hydrogen sulfide gas detector has the problems of inconvenient carrying, limited application scene, easy to malfunction, etc., and thus cannot better detect the concentration of hydrogen sulfide gas. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of hydrogen sulfide gas detector, part of the parts in detection process can be recycled, reduce overall cost;And have wide use range, it is convenient to carry and not prone to malfunction etc.

[0006] To achieve the above object, a kind of hydrogen sulfide gas detector is provided, including warehouse body and injection device, the inside fixed connection of warehouse body is connected with driving motor, the output end fixed connection of driving motor is connected with stirring rod, the upper fixed connection of warehouse body is connected with tank, the left and right sides fixed connection of tank is connected with connecting pipe, the other end external thread connection of connecting pipe is connected with first sealing cover;

[0007] The upper fixed connection of tank is connected with connecting warehouse, the left and right sides screw connection of connecting warehouse is connected with locking screw, the upper insertion of tank is connected with adsorption block, the lower fixed connection of adsorption block is connected with sealing ring, the upper fixed connection of sealing ring is connected with connecting block.

[0008] According to the hydrogen sulfide gas detector, the injection device comprises a storage bin, a injection head is fixedly connected to the right side of the storage bin, a sealing baffle is fixedly connected to the right side of the injection head, a second observation window is arranged at the front of the storage bin, an extrusion rod is threadedly connected to the left side of the storage bin, and a piston is rotatably connected to the right side of the extrusion rod.

[0009] According to the hydrogen sulfide gas detector, the injection head is threadedly connected with the inner wall of the connecting pipe, and the piston is slidably connected with the storage bin.

[0010] According to the hydrogen sulfide gas detector, the connecting block is provided with openings on the left side and the right side, and the locking screw corresponds to the openings.

[0011] According to the hydrogen sulfide gas detector, the needle is fixedly connected to the left side and the right side in the inside of the bin body, and the first observation window is arranged at the front of the bin body.

[0012] According to the hydrogen sulfide gas detector, the button is fixedly connected to the front of the bin body, and the battery is arranged at the lower portion in the inside of the bin body.

[0013] According to the hydrogen sulfide gas detector, the second sealing cover is inserted into the upper portion of the box body, and the colorimetric card is fixedly connected to the front of the box body.

[0014] According to the hydrogen sulfide gas detector, the sealing ring is slidably connected with the connecting bin, the sealing ring is in close contact with the connecting bin, and the connecting block is slidably connected with the connecting bin.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] 1、Compared with the prior art, the storage bin is arranged, so that the operator can store the prepared color developing agent aqueous solution or moisturizing agent therein, the sealing baffle and the injection head are pasted by using glue, the storage bin is cleaned and new color developing agent aqueous solution or moisturizing agent is loaded after single use, so that the operator can recycle the injection device, the connecting block, the sealing ring and the connecting block are taken out simultaneously by rotating the locking screw, and the connecting block is cancelled by the locking screw, the connecting block, the sealing ring and the connecting block are loaded into the upper portion of the connecting bin after the bin body and the connecting bin are cleaned.

[0017] 2、Compared with the prior art, the device has small overall volume, and the detection is carried out by using reagents, so that the device can be used in various detection environments, and the device has the characteristics of wide use range, convenient carrying and less faults in use. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a perspective view of a hydrogen sulfide gas detector according to the present invention;

[0020] Figure 2 This is a schematic diagram showing the separation of the connecting chamber and the sealing ring of a hydrogen sulfide gas detector according to this utility model;

[0021] Figure 3 This is a perspective view of the injection device of a hydrogen sulfide gas detector according to the present invention.

[0022] Figure 4 This is a schematic diagram showing the separation of the connecting chamber and the second sealing cover of a hydrogen sulfide gas detector according to this utility model.

[0023] Legend:

[0024] 1. Chamber body; 2. Drive motor; 3. Stirring rod; 4. Box body; 5. Connecting pipe; 6. Injection device; 7. First sealing cover; 8. Connecting chamber; 9. Locking screw; 10. Adsorption block; 11. Sealing ring; 12. Connecting block; 13. Opening; 14. Needle; 15. First observation window; 16. Button; 17. Battery; 18. Second sealing cover; 19. Colorimetric card;

[0025] 61. Storage chamber; 62. Injection head; 63. Sealing baffle; 64. Second observation window; 65. Extrusion rod; 66. Piston. Detailed Implementation

[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0027] Reference Figures 1-4The utility model discloses a hydrogen sulfide gas detector, it includes warehouse body 1 and injection device 6, the inside fixed connection of warehouse body 1 has drive motor 2, the output fixed connection of drive motor 2 has stirring rod 3, the upper fixed connection of warehouse body 1 has tank 4, the left and right sides fixed connection of tank 4 has connecting pipe 5, the other end outside screw thread connection of connecting pipe 5 has first sealing cover 7, the upper fixed connection of tank 4 has connecting bin 8, the left and right sides screw thread connection of connecting bin 8 has locking screw 9, the insertion of tank 4 has adsorption block 10, the lower fixed connection of adsorption block 10 has sealing ring 11, the upper fixed connection of sealing ring 11 has connecting block 12, sealing ring 11 and connecting bin 8 sliding connection, sealing ring 11 and connecting bin 8 close contact, connecting block 12 and connecting bin 8 sliding connection, the left and right sides of connecting block 12 are provided with aperture 13, locking screw 9 and aperture 13 correspond, the left and right sides fixed connection of warehouse body 1 has needle 14, the front of warehouse body 1 is provided with first observation window 15, the front fixed connection of warehouse body 1 has button 16, the lower inside of warehouse body 1 is provided with battery 17, the insertion of tank 4 has second sealing cover 18, the front fixed connection of tank 4 has colorimetric card 19.

[0028] The above structure, by being provided with button 16, make the operator control drive motor 2's opening and closing through button 16, by being provided with battery 17, it can drive motor 2 power supply.

[0029] By rotating locking screw 9, make locking screw 9 cancel the resistance of connecting block 12, at this moment operator can take down adsorption block 10, sealing ring 11 and connecting block 12 simultaneously, and after cleaning warehouse body 1, connecting bin 8 etc., the brand-new adsorption block 10, sealing ring 11 and connecting block 12 are loaded into the upper of connecting bin 8.

[0030] By being provided with adsorption block 10, it can be composite material absorption to the upper surface of itself, the composite material is convenient with hydrogen sulfide and carries out the reaction.

[0031] By being provided with sealing ring 11, and sealing ring 11 and connecting bin 8 close contact, make the process of inverting the whole device, composite material does not leak from the place of sealing ring 11 and connecting bin 8 contact, guarantee the sealing property of connecting place.

[0032] By being provided with needle 14, make when operator completely rotates injection head 62 into the inside of left and right sides connecting pipe 5, at this moment needle 14 will sealing baffle 63 break, it is convenient for operator to inject the chromogenic agent aqueous solution or humectant in the inside of injection device 6 to the inside of warehouse body 1.

[0033] The injection device 6 comprises a storage bin 61, the right side of the storage bin 61 is fixedly connected with an injection head 62, the right side of the injection head 62 is fixedly connected with a sealing baffle 63, the front of the storage bin 61 is provided with a second observation window 64, the left side of the storage bin 61 is threadedly connected with a pressing rod 65, the right side of the pressing rod 65 is rotatably connected with a piston 66, the injection head 62 is threadedly connected with the inner wall of the connecting pipe 5, and the piston 66 is slidably connected with the storage bin 61.

[0034] The above structure is provided with the storage bin 61, so that the operator can store the color developing agent aqueous solution or the moisturizing agent in it, and the sealing baffle 63 and the injection head 62 are pasted by using glue, so that the operator can recycle the injection device 6.

[0035] By rotating the pressing rod 65, the pressing rod 65 moves left and right in the storage bin 61, and the right end of the pressing rod 65 is rotatably connected with the piston 66, so that the pressing rod 65 drives the piston 66 to move left and right, realizing the suction or injection of the color developing agent aqueous solution or the moisturizing agent.

[0036] The adsorption block 10 is provided, and the adsorption block 10 is a base material, which is filter paper, water absorption paper, cotton fabric, regenerated cellulose fabric, etc.

[0037] The inside of the left injection device 6 stores the color developing agent aqueous solution, and the color developing agent aqueous solution is obtained by placing the color developing agent in solvent water, stirring until it is completely dissolved.

[0038] The inside of the right injection device 6 stores the moisturizing agent, and the moisturizing agent is propylene glycol, glycerol, butanediol, butanetriol, etc. or a mixture thereof.

[0039] Working principle: when using the hydrogen sulfide gas detector, first, the first sealing cover 7 on the left and right sides is removed, then the injection device 6 containing the color developing agent aqueous solution is installed in the inside of the left connecting pipe 5, and it is necessary to ensure that the needle 14 pierces the sealing baffle 63, then the injection device 6 containing the moisturizing agent is installed in the inside of the right connecting pipe 5, and the pressing rods 65 on the left and right sides are rotated respectively, so that the pistons 66 on the left and right sides push the color developing agent aqueous solution and the moisturizing agent to enter the inside of the bin body 1 at the same time, at this time, the drive motor 2 is opened by the button 16, so that the stirring rod 3 stirs the color developing agent aqueous solution and the moisturizing agent evenly, after stirring is finished, the operator removes the second sealing cover 18, and the whole device is inverted, so that the indicator solution flows into the inside of the adsorption block 10, at this time, the adsorption block 10 is placed in an environment containing hydrogen sulfide gas, the color of the upper adsorption block 10 is compared with the colorimetric card 19, and finally the detection of the concentration of hydrogen sulfide gas is realized.

[0040] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A hydrogen sulfide gas detector, characterized in that, Includes a chamber (1) and an injection device (6). A drive motor (2) is fixedly connected inside the chamber (1). A stirring rod (3) is fixedly connected to the output end of the drive motor (2). A box (4) is fixedly connected above the chamber (1). Connecting pipes (5) are fixedly connected to the left and right sides of the box (4). A first sealing cap (7) is externally threaded to the other end of the connecting pipe (5). A connecting chamber (8) is fixedly connected to the top of the box (4). Locking screws (9) are threadedly connected to the left and right sides of the connecting chamber (8). An adsorption block (10) is inserted into the top of the box (4). A sealing ring (11) is fixedly connected to the bottom of the adsorption block (10). A connecting block (12) is fixedly connected to the top of the sealing ring (11).

2. The hydrogen sulfide gas detector according to claim 1, characterized in that, The injection device (6) includes a storage chamber (61), an injection head (62) is fixedly connected to the right side of the storage chamber (61), a sealing baffle (63) is fixedly connected to the right side of the injection head (62), a second observation window (64) is provided in front of the storage chamber (61), a squeezing rod (65) is threadedly connected to the left side of the storage chamber (61), and a piston (66) is rotatably connected to the right side of the squeezing rod (65).

3. A hydrogen sulfide gas detector according to claim 2, characterized in that, The injection head (62) is threaded to the inner wall of the connecting tube (5), and the piston (66) is slidably connected to the storage chamber (61).

4. A hydrogen sulfide gas detector according to claim 1, characterized in that, The connecting block (12) has openings (13) on its left and right sides, and the locking screw (9) corresponds to the openings (13).

5. A hydrogen sulfide gas detector according to claim 1, characterized in that, The needles (14) are fixedly connected to the left and right sides inside the chamber (1), and a first observation window (15) is provided at the front of the chamber (1).

6. A hydrogen sulfide gas detector according to claim 1, characterized in that, A button (16) is fixedly connected to the front of the compartment (1), and a battery (17) is provided inside the lower part of the compartment (1).

7. A hydrogen sulfide gas detector according to claim 1, characterized in that, A second sealing cap (18) is inserted into the top of the box (4), and a colorimetric card (19) is fixedly connected to the front of the box (4).

8. A hydrogen sulfide gas detector according to claim 1, characterized in that, The sealing ring (11) is slidably connected to the connecting chamber (8), the sealing ring (11) is in close contact with the connecting chamber (8), and the connecting block (12) is slidably connected to the connecting chamber (8).