Gas sensitive material testing device

Abstract

The utility model relates to a gas sensitive material testing device which comprises a base, two supporting plates are arranged at the top of the base, a gas storage channel is arranged between the two supporting plates, and an auxiliary mechanism is arranged at the top of the gas storage channel; and the auxiliary mechanism comprises a mixing box, and the mixing box is fixedly mounted at the top of the gas storage channel. According to the gas-sensitive material testing device, the auxiliary mechanism is arranged and comprises the mixing box, the motor, the cam, the rack, the sliding sleeve and the movable plate, the problem that gas is distributed unevenly in a pipeline is effectively solved, the motor drives the cam to rotate and drives the rack and the sliding sleeve to move up and down, then the movable plate swings in the gas storage channel, disturbance and mixing of the gas are formed, and the gas-sensitive material testing efficiency is improved. By means of the design, the gas distribution uniformity in the testing process is remarkably improved, so that the testing result difference caused by non-uniform gas distribution is reduced, and the repeatability and reliability of the testing result are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas-sensitive material testing, in particular to a gas-sensitive material testing device. Background Art

[0002] Zinc stannate gas-sensitive material is a type of gas-sensitive material. Zinc stannate is a semiconductor material with an inverse spinel structure. It has the characteristics of high electron mobility, high conductivity and low visible light absorption. These characteristics make it widely used in optoelectronic devices, chemical sensors, functional coatings and transparent conductive electrodes. Zinc stannate material has high sensitivity and selectivity to gas and can respond quickly and accurately to changes in gas concentration in the environment. Gas-sensitive material testing devices are usually used during testing.

[0003] A search revealed that, for example, the utility model patent with Chinese patent publication number CN219162088U discloses a multi-channel gas-sensitive material testing device, comprising a support base and a mounting frame, wherein the mounting frames are connected to the upper sides of the left and right parts of the support base. The utility model uses three cylinders to drive the push rods connected to each other to move, and the push rods drive the connecting parts to slide within the pipeline, thereby controlling the interior of different pipelines, thereby achieving the purpose of testing gas-sensitive materials, adjusting the volume and concentration of the test gas according to different requirements, and simultaneously testing gas-sensitive materials in different gas states, thereby improving the reliability of test data and achieving the effect of diversifying test methods.

[0004] However, in the above utility model patent, the gas is directly transported into the pipeline, and there is a phenomenon of uneven distribution of gas in the pipeline. Due to the randomness of the uneven distribution of gas, there may be large differences between multiple test results even under the same test conditions, which reduces the repeatability and reliability of the test results. Therefore, a gas-sensitive material testing device is proposed. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a gas-sensitive material testing device with advantages such as uniform gas distribution. It solves the problem in the above-mentioned utility model patent that the gas is directly transported into the pipeline, resulting in uneven distribution of gas in the pipeline. Due to the randomness of the uneven gas distribution, there may be large differences between multiple test results even under the same test conditions.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a gas-sensitive material testing device, comprising a base, two support plates are provided on the top of the base, a gas storage channel is provided between the two support plates, and an auxiliary mechanism is provided on the top of the gas storage channel;

[0007] The auxiliary mechanism includes a mixing box, which is fixedly installed on the top of the air storage channel, a motor is fixedly installed on the front inner wall of the mixing box, a cam is fixedly installed at the output shaft of the motor, a rack is engaged with the bottom of the cam, a sliding sleeve is fixedly installed at the bottom of the rack, and a group of movable plates extending to the inside of the air storage channel are hinged at equal distances on the outer surface of the sliding sleeve.

[0008] Furthermore, a cross bar is fixedly installed between the left and right inner walls of the mixing box, and a group of protruding rods are fixedly installed at equal distances on the outer surface of the cross bar.

[0009] Furthermore, a sliding opening is provided inside the movable plate, and the sliding opening is located on the outer surface of the protruding rod and is slidably connected thereto.

[0010] Furthermore, a fixing rod located inside the sliding sleeve is fixedly installed between the left and right inner walls of the mixing box, and the outer surface of the fixing rod is sleeved with two springs connected between the inner wall of the mixing box and one side of the sliding sleeve. The sliding sleeve is slidably connected to the fixing rod.

[0011] Furthermore, a connecting seat is provided on the right side of the gas storage channel, and a gas-sensitive material body is plugged into the right side of the connecting seat.

[0012] Furthermore, an exhaust pipe is provided on the front side of the base, and an exhaust valve is provided on the exhaust pipe.

[0013] Furthermore, a gas delivery component is provided on the top of the base, and the gas delivery component includes an air pump. The air pump is fixedly installed on the top of the base, an air delivery pipe is connected between the output end of the air pump and the air storage channel, and an air intake pipe is connected to the input end of the air pump.

[0014] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0015] This gas-sensitive material testing device effectively solves the problem of uneven gas distribution in the pipeline by setting up auxiliary mechanisms, including a mixing box, a motor, a cam, a rack, a sliding sleeve and a movable plate. The motor drives the cam to rotate, driving the rack and the sliding sleeve to move up and down, thereby causing the movable plate to swing in the gas storage channel, forming gas disturbance and mixing, ensuring that the gas is evenly distributed in the gas storage channel. This design significantly improves the uniformity of gas distribution during the test process, thereby reducing the difference in test results caused by uneven gas distribution and improving the repeatability and reliability of the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the gas storage channel of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the support plate of the utility model;

[0019] Figure 4 This is a cross-sectional view of the utility model;

[0020] Figure 5 For this utility model Figure 4 A magnified view of the structure in the middle.

[0021] In the figure: 1. Base; 2. Support plate; 3. Gas storage channel; 4. Connecting seat; 5. Gas-sensitive material body; 6. Auxiliary mechanism; 601. Mixing box; 602. Motor; 603. Cam; 604. Rack; 605. Sleeve; 606. Movable plate; 607. Cross bar; 608. Protruding rod; 609. Sliding mouth; 610. Fixed rod; 611. Spring; 7. Gas transmission assembly. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-5 A gas-sensitive material testing device in this embodiment includes a base 1, two support plates 2 are provided on the top of the base 1, a gas storage channel 3 is provided between the two support plates 2, and an auxiliary mechanism 6 is provided on the top of the gas storage channel 3.

[0024] The gas-sensitive material testing device consists of a base 1, a support plate 2, a gas storage channel 3, a connecting seat 4, a gas-sensitive material body 5, an auxiliary mechanism 6, a gas delivery component 7 and an exhaust pipe. The exhaust pipe is provided with an exhaust valve, and the gas delivery component 7 includes an air intake pipe and a gas delivery pipe.

[0025] Correctly install the gas-sensitive material body 5 on the connecting seat 4, ensuring that it is in close contact with the test environment so as to accurately sense gas changes, ensure that the air pump in the gas delivery component 7 is connected to the power supply, and check whether the suction pipe and the gas delivery pipe are unobstructed. Turn on the air pump and inhale the gas to be tested from the external gas source through the suction pipe. After the gas enters the air pump, it is transported to the mixing box 601 through the gas delivery pipe. In the mixing box 601, the gas will be temporarily stored and prepared for further mixing and uniform distribution through the auxiliary mechanism 6.

[0026] The auxiliary mechanism 6 includes a mixing box 601, which is fixedly installed on the top of the air storage channel 3, and a motor 602 is fixedly installed on the front inner wall of the mixing box 601. A cam 603 is fixedly installed at the output shaft of the motor 602. A rack 604 is engaged with the bottom of the cam 603, and a sliding sleeve 605 is fixedly installed on the bottom of the rack 604. A group of movable plates 606 extending to the inside of the air storage channel 3 are hinged at equal distances on the outer surface of the sliding sleeve 605.

[0027] Start the motor 602, which drives the cam 603 to rotate. The rotational movement of the cam 603 interacts with the rack 604 to drive the rack 604 to move left and right. The left and right movement of the rack 604 drives the sleeve 605 to slide along the fixed rod 610. At the same time, the movable plate 606 hinged on the outer surface of the sleeve 605 also swings accordingly. When the movable plate 606 swings, it drives the inner wall of the sliding port 609 to slide on the outer surface of the corresponding protruding rod 608. The cross bar 607 supports the protruding rod 608. The swinging of these movable plates 606 helps to form gas disturbance and mixing in the gas storage channel 3, thereby improving the uniformity of gas distribution. The function of the spring 611 is to provide the elastic force required for the sleeve 605 to reset, ensuring that the movable plate 606 can swing stably and periodically.

[0028] The gas is evenly distributed in the gas storage channel 3 and is in full contact with the gas-sensitive material body 5 installed on the connecting seat 4. The gas-sensitive material body 5 produces corresponding reactions according to the type, concentration and other characteristics of the gas, such as resistance changes, color changes, etc. These reaction data will be captured and recorded by relevant measuring equipment (not shown in the figure). The measuring equipment continuously records the reaction data of the gas-sensitive material body 5, such as resistance value, voltage change, etc. After the test is completed, the air pump and motor 602 are turned off, the remaining gas in the gas storage channel 3 is discharged through the exhaust pipe, and the exhaust valve is opened to completely empty the system.

[0029] In summary, the gas-sensitive material testing device effectively solves the problem of uneven distribution of gas in the pipeline by setting up an auxiliary mechanism 6, including a mixing box 601, a motor 602, a cam 603, a rack 604, a sleeve 605 and a movable plate 606. The motor 602 drives the cam 603 to rotate, driving the rack 604 and the sleeve 605 to move up and down, thereby causing the movable plate 606 to swing in the gas storage channel 3, forming gas disturbance and mixing, ensuring that the gas is evenly distributed in the gas storage channel 3. This design significantly improves the uniformity of gas distribution during the test process, thereby reducing the difference in test results caused by uneven gas distribution, and improving the repeatability and reliability of the test results.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas-sensitive material testing device, comprising a base (1), characterized in that: Two support plates (2) are provided on the top of the base (1), an air storage channel (3) is provided between the two support plates (2), and an auxiliary mechanism (6) is provided on the top of the air storage channel (3); The auxiliary mechanism (6) comprises a mixing box (601), the mixing box (601) is fixedly mounted on the top of the gas storage channel (3), a motor (602) is fixedly mounted on the front inner wall of the mixing box (601), a cam (603) is fixedly mounted on the output shaft of the motor (602), a rack (604) is meshed with the bottom of the cam (603), a sliding sleeve (605) is fixedly mounted on the bottom of the rack (604), and a group of movable plates (606) extending into the interior of the gas storage channel (3) are hingedly connected to the outer surface of the sliding sleeve (605) at equal distances.

2. A gas-sensitive material testing device according to claim 1, characterized in that: A cross bar (607) is fixedly installed between the left and right inner walls of the mixing box (601), and a group of protruding rods (608) are fixedly installed at equal distances on the outer surface of the cross bar (607).

3. A gas-sensitive material testing device according to claim 2, characterized in that: A sliding opening (609) is provided inside the movable plate (606), and the sliding opening (609) is located on the outer surface of the protruding rod (608) and is slidably connected thereto.

4. A gas-sensitive material testing device according to claim 2, characterized in that: A fixing rod (610) located inside the sliding sleeve (605) is fixedly installed between the left and right inner walls of the mixing box (601). Two springs (611) connected between the inner wall of the mixing box (601) and one side of the sliding sleeve (605) are sleeved on the outer surface of the fixing rod (610). The sliding sleeve (605) is slidably connected to the fixing rod (610).

5. The gas-sensitive material testing device according to claim 1, characterized in that: A connecting seat (4) is provided on the right side of the gas storage channel (3), and a gas-sensitive material body (5) is plugged into the right side of the connecting seat (4).

6. A gas-sensitive material testing device according to claim 1, characterized in that: An exhaust pipe is provided on the front side of the base (1), and an exhaust valve is provided on the exhaust pipe.

7. The gas-sensitive material testing device according to claim 1, characterized in that: An air delivery assembly (7) is provided on the top of the base (1), and the air delivery assembly (7) includes an air pump. The air pump is fixedly mounted on the top of the base (1), an air delivery pipe is connected between the output end of the air pump and the air storage channel (3), and an air intake pipe is connected to the input end of the air pump.

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