Calibration device for hydrogen sulfide gas detector

Abstract

The utility model discloses a hydrogen sulfide gas detector calibration device which comprises an installation box body and a tee joint, connecting valves are symmetrically arranged at the top of the installation box body and connected through the tee joint, one side of the installation box body is movably connected with a movable cabin door, and the other side of the installation box body is movably connected with a flow meter. A containing bin is formed in the mounting box body, clamping arc-shaped plates are symmetrically and movably connected to the inner wall of the containing bin, and gas tanks are movably connected to the interiors of the clamping arc-shaped plates. The clamping arc-shaped plate is driven by the spring reset rod to automatically reset to preliminarily clamp the gas tank, when the gas tank in the same groove is placed in, the gas tank is clamped into the containing groove, the abutting arc-shaped plate is driven to be attached to the outer side of the gas tank while the movable cabin door is closed, and the abutting arc-shaped plate abuts inwards through electric conduction of the spring reset rod, so that the gas tank is clamped in the containing groove. And the clamping arc-shaped plates on the two sides of the interior are matched with the external abutting arc-shaped plates, the gas pipe tank is fixed, installation is convenient, and meanwhile the fixing stability of the gas tank is improved.

Description

Technical Field

[0001] This utility model relates to the field of gas measurement and calibration technology, and in particular to a calibration device for a hydrogen sulfide gas detector. Background Technology

[0002] The hydrogen sulfide detector utilizes solid-state metal-oxide-semiconductor (SMOS) sensing technology. The sensor consists of two thin plates: a heating element and a gas-sensitive element that is sensitive to hydrogen sulfide gas. Both plates are vacuum-deposited and mounted on a silicon chip. The heating element raises the operating temperature of the gas-sensitive element to a level that reacts to hydrogen sulfide gas. The gas-sensitive element contains metal oxides, which dynamically display changes in the hydrogen sulfide gas concentration. The hydrogen sulfide gas detector is used to monitor for leaks of hydrogen sulfide gas, ensuring the safety of personnel and the normal operation of production. During use, a calibration device ensures the accuracy and reliability of the gas measurement results.

[0003] According to research, existing hydrogen sulfide gas detector calibration devices generally have two tanks, and their structure is fixed. If a single tank is damaged or needs to be filled with gas, it is impossible to disassemble a single tank for filling and replacement, which limits its use. Utility Model Content

[0004] The purpose of this invention is to provide a calibration device for a hydrogen sulfide gas detector to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a calibration device for a hydrogen sulfide gas detector, comprising: a mounting housing and a three-way connector;

[0006] The top of the mounting box is symmetrically equipped with connecting valves, which are connected to each other by a three-way connector. Each connecting valve is equipped with a pressure reducing valve and a flow control valve. A movable hatch is movably connected to one side of the mounting box, and a flow meter is movably connected to the other side of the mounting box.

[0007] The installation box has an internal storage compartment, and the inner wall of the storage compartment is symmetrically and movably connected to a clamping arc plate. A gas tank is movably connected inside the clamping arc plate.

[0008] Preferably, the outer side of the clamping arc plate is provided with a plurality of spring return rods, the spring return rods are distributed in a rectangular array, and the other end is fixedly connected to the inner wall of the receiving chamber. The clamping arc plate is movably connected to the inner wall of the receiving chamber through the spring return rods.

[0009] Preferably, the movable hatch is rotatably connected to the mounting box via a hinge, and a retaining arc plate is movably connected to the inner side of the movable hatch, with the retaining arc plate correspondingly disposed on the outer side of the clamping arc plate.

[0010] Preferably, the outer side of the abutting arc plate is also provided on the spring return rod, and the abutting arc plate is movably connected to the movable hatch through the spring return rod.

[0011] Preferably, a guide roller is rotatably connected to the outer side of the clamping arc plate, and the gas tank is movably connected to the clamping arc plate through the guide roller.

[0012] Preferably, the bottom of the receiving chamber is provided with a receiving groove, the receiving groove is adapted to the size of the gas tank, and the gas tank is snapped into the receiving chamber through the receiving groove.

[0013] Preferably, the bottom of the connecting valve extends into the interior of the receiving chamber, and the bottom of the connecting valve is connected to a connector via a connecting hose.

[0014] Preferably, the three-way connector is connected to the flow meter via a connecting hose, and the other end of the flow meter is also provided with a connecting hose.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention utilizes symmetrically reset clamping arc plates. When a gas canister is placed into the receiving chamber, it first abuts against the guide rollers on the outside of the clamping arc plates. The gas canister is guided into the interior of the clamping arc plates via the guide rollers. A spring reset rod drives the clamping arc plates to automatically reset and initially clamp the inner side of the gas canister. Simultaneously, a receiving groove is provided at the bottom of the receiving chamber. When the gas canister is placed in, it is locked into the receiving groove. Then, as the movable door closes, it causes the abutting arc plates to adhere to the outside of the gas canister. The spring reset rod conducts electricity to abut the abutting arc plates inward. The internal clamping arc plates on both sides, together with the external abutting arc plates, improve the stability of the gas canister fixation. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall main structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal top structure of the main view of this utility model;

[0020] Figure 3 This is a schematic diagram of the gas tank connection structure of this utility model;

[0021] Figure 4This is a schematic diagram of the inner structure of the movable hatch of this utility model;

[0022] Figure 5 This is a schematic diagram of the clamping arc plate structure of this utility model;

[0023] Figure 6 This is a schematic diagram of the overall back of this utility model.

[0024] As indicated by the markings in the diagram: 1. Mounting box; 2. Movable hatch; 201. Supporting arc plate; 3. T-joint; 4. Connecting valve; 401. Connector; 5. Pressure reducing valve; 6. Flow control valve; 7. Receiving chamber; 701. Receiving groove; 8. Clamping arc plate; 801. Spring return rod; 802. Guide roller; 9. Gas tank; 10. Flow meter. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. The preferred embodiments of this utility model will now be described in more detail with reference to the accompanying drawings. Although preferred embodiments of this utility model are shown in the drawings, it should be understood that this utility model can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make this utility model more thorough and complete, and to fully convey the scope of this utility model to those skilled in the art.

[0026] The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular forms “a,” “the,” and “the” used in this invention and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0027] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0028] In the description of this utility model, it should be understood that the terms "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] It should be understood that although the terms "first," "second," "third," etc., may be used to describe various components in this invention, this information should not be limited to these terms. These terms are only used to distinguish components of the same type from each other. For example, without departing from the scope of this invention, a first component may also be referred to as a second component, and similarly, a second component may also be referred to as a first component. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] The technical solutions of the embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0032] refer to Figures 1 to 6 A calibration device for a hydrogen sulfide gas detector, comprising: a mounting housing 1 and a three-way connector 3;

[0033] The top of the mounting box 1 is symmetrically provided with connecting valves 4, which are connected to each other by a three-way connector 3. The connecting valves 4 are provided with a pressure reducing valve 5 and a flow control valve 6. A movable door 2 is movably connected to one side of the mounting box 1, and a flow meter 10 is movably connected to the other side of the mounting box 1.

[0034] The installation box 1 has an internal storage compartment 7. The inner wall of the storage compartment 7 is symmetrically and movably connected to a clamping arc plate 8. A gas tank 9 is movably connected inside the clamping arc plate 8.

[0035] Specifically, a plurality of spring reset rods 801 are provided on the outer side of the clamping arc plate 8. The spring reset rods 801 are arranged in a rectangular array, and the other end is fixedly connected to the inner wall of the receiving chamber 7. The clamping arc plate 8 is movably connected to the inner wall of the receiving chamber 7 through the spring reset rods 801.

[0036] Specifically, the movable door 2 is rotatably connected to the mounting box 1 via a hinge, and a retaining arc plate 201 is movably connected to the inner side of the movable door 2. The retaining arc plate 201 is correspondingly arranged on the outer side of the clamping arc plate 8.

[0037] Specifically, the outer side of the abutting arc plate 201 is also provided with the spring return rod 801, and the abutting arc plate 201 is movably connected to the movable hatch 2 through the spring return rod 801.

[0038] Specifically, a guide roller 802 is rotatably connected to the outer side of the clamping arc plate 8, and the gas tank 9 is movably connected to the clamping arc plate 8 through the guide roller 802.

[0039] Specifically, the bottom of the receiving chamber 7 is provided with a receiving groove 701, which is adapted to the size of the gas tank 9, and the gas tank 9 is engaged with the receiving chamber 7 through the receiving groove 701.

[0040] Specifically, the bottom of the connecting valve 4 extends into the interior of the receiving chamber 7, and the bottom of the connecting valve 4 is connected to a connector 401 via a connecting hose.

[0041] Specifically, the three-way connector 3 is connected to the flow meter 10 via a connecting hose, and the other end of the flow meter 10 is also provided with a connecting hose.

[0042] In this embodiment, to facilitate the quick installation or removal of the gas cylinder 9, two gas cylinders 9 are provided, corresponding to an air cylinder and a standard gas cylinder for testing. Several spring return rods 801 are provided on the outer side of the clamping arc plate 8. The spring return rods 801 are distributed in a rectangular array, and the other end is fixedly connected to the inner wall of the receiving chamber 7. The outer side of the clamping arc plate 8 is rotatably connected to a guide roller 802. When the gas cylinder 9 is placed in the clamping arc plate 8, it is guided by the guide roller 802, making it easier for the gas cylinder 9 to be inserted into the symmetrical clamping arc plate 8. The spring return rods 801 drive the clamping arc plate 8 to automatically reset and initially clamp the gas cylinder 9. At the same time, the bottom of the receiving chamber 7 is provided with a receiving groove 701. When the gas cylinder 9 is placed in, it is inserted into the receiving groove 701.

[0043] It should be noted that the bottom of the connecting valve 4 extends into the interior of the receiving chamber 7, and the bottom of the connecting valve 4 is connected to a connector 401 via a connecting hose. The connecting valve 4 is quickly connected to the gas tank 9 via the movable connector 401, which facilitates the replacement and maintenance of the tank.

[0044] As a further limitation of this technical solution, the movable door 2 is rotatably connected to the mounting box 1 via a hinge. A door lock is provided on the inner side of the movable door 2 for closing the door. An abutting arc plate 201 is movably connected to the inner side of the movable door 2. The abutting arc plate 201 is correspondingly arranged on the outer side of the clamping arc plate 8. When the movable door 2 closes, it drives the abutting arc plate 201 to adhere to the outer side of the gas tank 9. A spring return rod 801 is also provided on the outer side of the abutting arc plate 201. The spring return rod 801 conducts electricity to abut the arc plate 201 inward. The internal clamping arc plates 8 on both sides cooperate with the external abutting arc plate 201 to improve the stability of the gas tank 9.

[0045] Based on the above embodiments, when the gas canister 9 is placed into the receiving chamber 7, it first abuts against the guide roller 802 on the outside of the clamping arc plate 8. The gas canister 9 is guided into the clamping arc plate 8 through the guide roller 802. The clamping arc plate 8 is automatically reset by the spring reset rod 801 to initially clamp the gas canister 9. At the same time, the bottom of the receiving chamber 7 is provided with a receiving groove 701. When the gas canister 9 is placed in, it is inserted into the receiving groove 701. When the movable door 2 is closed, it drives the abutting arc plate 201 to adhere to the outside of the gas canister 9. The spring reset rod 801 conducts electricity to abut the abutting arc plate 201 inward. The internal clamping arc plates 8 on both sides cooperate with the external abutting arc plate 201 to improve the stability of the gas canister 9.

[0046] The present invention has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of each embodiment have different focuses; for parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments. Those skilled in the art should also understand that the actions and modules involved in the specification are not necessarily essential to the present invention. Furthermore, it is understood that the steps in the method of the present invention embodiments can be adjusted, combined, and deleted according to actual needs, and the structure in the device of the present invention embodiments can be combined, divided, and deleted according to actual needs.

[0047] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A hydrogen sulfide gas detector calibration device, comprising: Include: The installation box (1) and tee (3); The top of the installation box (1) is provided with a connecting valve (4), the connecting valve (4) is connected by tee (3), the connecting valve (4) is provided with a pressure reducing valve (5) and a flow control valve (6), one side of the installation box (1) is movably connected with a movable hatch (2), the other side of the installation box (1) is movably connected with a flowmeter (10); The installation box (1) is provided with a containing bin (7), the inner wall of the containing bin (7) is movably connected with a clamping arc plate (8), the inner wall of the clamping arc plate (8) is movably connected with a gas tank (9).

2. The calibration device for a hydrogen sulfide gas detector according to claim 1, wherein The outer side of the clamping arc plate (8) is provided with a plurality of spring return rods (801), the spring return rods (801) are arranged in a rectangular array, and the other end is fixedly connected to the inner wall of the containing bin (7), the clamping arc plate (8) is movably connected with the inner wall of the containing bin (7) through the spring return rod (801).

3. The calibration device for a hydrogen sulfide gas detector according to claim 1, wherein The movable hatch (2) is rotatably connected with the installation box (1) through a hinge, the inner side of the movable hatch (2) is movably connected with a resisting arc plate (201), the resisting arc plate (201) is correspondingly arranged on the outer side of the clamping arc plate (8).

4. The hydrogen sulfide gas detector calibration device of claim 3, wherein, The outer side of the resisting arc plate (201) is also provided with a spring return rod (801), the resisting arc plate (201) is movably connected with the movable hatch (2) through the spring return rod (801).

5. The hydrogen sulfide gas detector calibration device of claim 4, wherein, The outer side of the clamping arc plate (8) is rotatably connected with a guide roller (802), the gas tank (9) is movably connected with the clamping arc plate (8) through the guide roller (802).

6. The hydrogen sulfide gas detector calibration device of claim 1, wherein, The bottom of the containing bin (7) is provided with a containing groove (701), the containing groove (701) is matched with the size of the gas tank (9), the gas tank (9) is clamped with the containing bin (7) through the containing groove (701).

7. The hydrogen sulfide gas detector calibration device of claim 1, wherein, The connecting valve (4) penetrates into the containing bin (7), the connecting valve (4) is connected with a connecting head (401) through a connecting hose.

8. The hydrogen sulfide gas detector calibration device of claim 1, wherein, The tee (3) is connected with the flowmeter (10) through a connecting hose, the other end of the flowmeter (10) is also provided with a connecting hose.

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