CO2 sensor mounting structure of gas analyzer calibration bin

Abstract

The utility model relates to the field of gas analyzers, and discloses a CO2 sensor mounting structure of a gas analyzer calibration bin, which comprises a gas analysis device, a display screen arranged on the front end face of the gas analysis device, a calibration bin fixedly mounted on one side of the gas analysis device, a connecting pipe fixedly connected to one end of the calibration bin, and a detection head mounted on one side of the connecting pipe. A plurality of fixing frames are fixedly mounted in the calibration bin, placement grooves are formed in the fixing frames, mounting plates are placed in the placement grooves, sensor bodies are mounted at the positions, extending out of the fixing frames, of one sides of the mounting plates, and fixing seats are symmetrically mounted at the tops of one sides of the fixing frames; the sensor main body is mounted at different positions in the calibration bin, so that the effect of conveniently adjusting the overall placement position of the sensor main body is achieved, the convenience in disassembly and assembly of the sensor main body is improved, and the problem that concentration points at different positions are inconvenient to measure when the sensor main body is used is solved; and the overall use efficiency of the gas analysis equipment is improved.

Description

Technical Field

[0001] This application relates to the field of gas analyzers, and particularly to an installation structure of a CO2 sensor in a calibration chamber of a gas analyzer. Background Art

[0002] A gas analyzer is an instrument used to measure and analyze the composition of air or other gases, and is usually used in fields such as scientific research, industrial monitoring, and environmental protection. A CO2 sensor is a sensor device specifically used to measure the concentration of carbon dioxide (CO2). A high-precision gas analyzer calibrates the CO2 sensor by introducing CO2 standard gases with different concentrations into the calibration chamber, measuring the output value of the sensor, and based on the corresponding relationship between the standard gas concentration and the sensor output value.

[0003] When existing gas analyzers are in use, the CO2 sensor is generally fixedly installed inside the calibration chamber. During the use process, the number of calibration concentration points of the CO2 sensor is small, it is not convenient to adjust the overall position of the CO2 sensor, the overall use efficiency of the CO2 sensor is reduced, and thus it has a certain impact on the overall calibration and detection of the gas analyzer.

[0004] Regarding the above related technologies, the inventor believes that the CO2 sensor in the gas analyzer has the defect of a single calibration concentration point. Therefore, an installation structure of a CO2 sensor in a calibration chamber of a gas analyzer is proposed to solve the above problems. Utility Model Content

[0005] In order to solve the problem of a single calibration concentration point of the CO2 sensor in the gas analyzer, this application provides an installation structure of a CO2 sensor in a calibration chamber of a gas analyzer.

[0006] An installation structure of a CO2 sensor in a calibration chamber of a gas analyzer provided by this application adopts the following technical solution:

[0007] An installation structure of a CO2 sensor in a calibration chamber of a gas analyzer includes a gas analysis device. A display screen is arranged on the front end face of the gas analysis device. A calibration chamber is fixedly installed on one side of the gas analysis device. A connecting pipe is fixedly connected to one end of the calibration chamber. A detection head is installed on one side edge of the connecting pipe. A plurality of fixing frames are fixedly installed inside the calibration chamber. A placement groove is formed inside the fixing frame. An installation plate is placed inside the placement groove. A sensor main body is installed at one side of the installation plate extending outside the fixing frame. Fixing seats are symmetrically installed at the top of one side of the fixing frame. A limiting rod is hinged inside the fixing seat. First grooves are symmetrically formed at the edge of the top of the fixing frame. Second grooves are symmetrically formed at the edge of the top of the installation plate. A fastening nut is threadedly connected to one side edge of the outer surface of the limiting rod. A sealing mechanism is further arranged on the upper surface of the calibration chamber for sealing and partitioning the inside of the calibration chamber.

[0008] Preferably, the sealing mechanism includes a protective cover which is arranged on the opening at the upper surface of the calibration bin. A sealing gasket is welded to the middle of the bottom end of the protective cover, and a plurality of sealing baffles are fixedly connected to the bottom end of the sealing gasket.

[0009] Preferably, the middle part of one side of the outer surface of the limiting rod is located inside the first groove and the second groove, and both the first groove and the second groove are fitted with the limiting rod.

[0010] Preferably, an external thread is provided on one side edge of the outer surface of the limiting rod, and the fastening nut is sleeved on the external thread.

[0011] Preferably, the bottom of one side of the sealing baffle extends into the placing groove, the bottom end of the sealing baffle is in mutual contact with the upper surface of the mounting plate, and the side edge of the sealing baffle is in mutual contact with both sides of the inner wall of the placing groove.

[0012] In summary, the present application includes the following beneficial technical effects:

[0013] By installing the mounting plate in the fixing frames at different positions, the sensor main body is placed at different positions in the calibration bin. The limiting rod is rotated and lapped in the first groove and the second groove, and the fastening nut is rotated to limit and fix the limiting rod, so as to fix the mounting plate in the fixing frame. The protective cover is arranged on the upper surface of the calibration bin, and the inside of the calibration bin is sealed by the cooperation of the sealing gasket and the sealing baffle. Compared with the prior art, this solution has the effect of facilitating the adjustment of the overall placement position of the sensor main body, improving the convenience of disassembly and assembly of the sensor main body, solving the problem that it is not convenient to measure the concentration points at different positions when the sensor main body is in use, and improving the overall use efficiency of the gas analysis equipment. Description of the Drawings

[0014] Figure 1 is the overall structural schematic diagram of the embodiment of the application;

[0015] Figure 2 is the structural schematic diagram of the protective cover in the embodiment of the application;

[0016] Figure 3 is the sectional structural schematic diagram of the calibration bin in the embodiment of the application;

[0017] Figure 4 is the embodiment of the application Figure 3 is the partial enlarged structural schematic diagram of A in the embodiment;

[0018] Explanation of the accompanying symbols: 1. Gas analysis equipment; 2. Display screen; 3. Calibration chamber; 4. Connecting pipe; 5. Detection head; 6. Fixing bracket; 7. Placement slot; 8. Mounting plate; 9. Sensor body; 10. Fixing seat; 11. Limit rod; 12. Groove No. 1; 13. Fastening nut; 14. Groove No. 2; 15. Protective cover; 16. Sealing gasket; 17. Sealing baffle. DETAILED DESCRIPTION

[0019] The following is combined with Figures 1-4 This application is described in further detail.

[0020] The embodiment of the present application discloses a CO2 sensor installation structure for a gas analyzer calibration chamber. Figures 1-4 A CO2 sensor installation structure for a gas analyzer calibration bin includes a gas analysis device 1, a display screen 2 is provided on the front face of the gas analysis device 1, a calibration bin 3 is fixedly installed on one side of the gas analysis device 1, a connecting pipe 4 is fixedly connected to one end of the calibration bin 3, a detection head 5 is installed on one side of the connecting pipe 4, a plurality of fixing brackets 6 are fixedly installed inside the calibration bin 3, a placement groove 7 is opened inside the fixing bracket 6, a mounting plate 8 is placed inside the placement groove 7, a sensor body 9 is installed at one side of the mounting plate 8 extending to the outside of the fixing bracket 6, a fixing seat 10 is symmetrically installed on the top of one side of the fixing bracket 6, and a fixing seat 10 is hingedly provided with a limit rod 11 internally, a groove 12 is symmetrically provided on the top edge of the fixing frame 6, a groove 14 is symmetrically provided on the top edge of the mounting plate 8, a fastening nut 13 is threadedly connected to one edge of the outer surface of the limit rod 11, and the middle part of one side of the outer surface of the limit rod 11 is located inside the groove 12 and the groove 14, and the groove 12 and the groove 14 are both engaged with the limit rod 11, an external thread is provided on one edge of the outer surface of the limit rod 11, and the fastening nut 13 is sleeved on the external thread. A sealing mechanism is also provided on the upper surface of the calibration bin 3 for sealing and separating the interior of the calibration bin 3.

[0021] By installing the mounting plate 8 in the fixing frame 6 at different positions, the sensor body 9 is placed at different positions in the calibration bin 3, and the limiting rod 11 is rotated to move along the inside of the fixing seat 10, so that the limiting rod 11 is rotated and overlapped in the No. 1 groove 12 and the No. 2 groove 14, and at the same time, the fastening nut 13 is threadedly connected to the outer surface of the limiting rod 11, so that the fastening nut 13 abuts against the outer surface of the fixing frame 6 and remains fixed, and then the limiting rod 11 limits and fixes the mounting plate 8 inside the placement groove 7, so that the sensor body 9 can be installed and fixed at different positions in the calibration bin 3 for use, which reflects the position adjustment effect of the sensor body 9.

[0022] Reference Figure 2 and Figure 3, the sealing mechanism includes a protective cover 15 which is covered on the opening on the upper surface of the calibration chamber 3. A sealing gasket 16 is welded to the middle of the bottom end of the protective cover 15. A number of sealing baffles 17 are fixedly connected to the bottom end of the sealing gasket 16. One side of the bottom of the sealing baffle 17 extends into the placement groove 7. The bottom end of the sealing baffle 17 is in mutual fit with the upper surface of the mounting plate 8, and the side of the sealing baffle 17 is in mutual fit with both sides of the inner wall of the placement groove 7.

[0023] By covering the protective cover 15 on the upper surface of the calibration chamber 3, the sealing gasket 16 seals the gap between the calibration chamber 3 and the protective cover 15, and the sealing baffle 17 is inserted into the placement groove 7 and abuts against the upper surface of the mounting plate 8, so that the sealing baffle 17 seals the space above the fixing frame 6, reflecting the overall sealing effect inside the calibration chamber 3.

[0024] The implementation principle of the CO2 sensor installation structure of the calibration chamber of the gas analyzer in the embodiment of the present application is as follows: by installing the mounting plate 8 in the fixing frames 6 at different positions, the sensor body 9 is placed at different positions in the calibration chamber 3. The limiting rod 11 rotates and moves inside the fixed seat 10, so that the limiting rod 11 rotates and overlaps in the first groove 12 and the second groove 14. At the same time, the fastening nut 13 is rotated and threadedly connected to the outer surface of the limiting rod 11, so that the fastening nut 13 abuts against the outer surface of the fixing frame 6 to keep it fixed. Furthermore, the limiting rod 11 limits and fixes the mounting plate 8 inside the placement groove 7, so that the sensor body 9 can be installed and fixed at different positions in the calibration chamber 3 for use. The protective cover 15 is covered on the upper surface of the calibration chamber 3, the sealing gasket 16 seals the gap between the calibration chamber 3 and the protective cover 15, and the sealing baffle 17 is inserted into the placement groove 7 and abuts against the upper surface of the mounting plate 8, so that the sealing baffle 17 seals the space above the fixing frame 6; compared with the prior art, this solution has the effect of facilitating the adjustment of the overall placement position of the sensor body 9, improving the convenience of disassembling and assembling the sensor body 9, solving the problem that the sensor body 9 is not convenient to measure the concentration points at different positions during use, and improving the overall use efficiency of the gas analysis device 1.

[0025] Finally, the following points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, and can also be the communication inside two components, and can be directly connected. "Upper", "lower", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the described object changes, the relative position relationship may change;

[0026] Second: In the attached drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments of the present disclosure are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0027] Finally, the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

[0028] The above are all the preferred embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, any equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. An installation structure of a CO2 sensor for a calibration chamber of a gas analyzer, comprising a gas analysis device (1), and a display screen (2) is arranged on the front end face of the gas analysis device (1), characterized in that: On one side of the gas analysis device (1), a calibration chamber (3) is fixedly installed. One end of the calibration chamber (3) is fixedly connected to a connecting pipe (4). A detection head (5) is installed on one side edge of the connecting pipe (4). Inside the calibration chamber (3), a number of fixing frames (6) are fixedly installed. A placement groove (7) is formed inside the fixing frame (6). An installation plate (8) is placed inside the placement groove (7). On one side of the installation plate (8) extending outside the fixing frame (6), a sensor main body (9) is installed. On one side of the top of the fixing frame (6), fixing seats (10) are symmetrically installed. A limiting rod (11) is hinged inside the fixing seat (10). On the top edge of one side of the fixing frame (6), first grooves (12) are symmetrically formed. On the top edge of one side of the installation plate (8), second grooves (14) are symmetrically formed. A fastening nut (13) is threadedly connected to one side edge of the outer surface of the limiting rod (11). On the upper surface of the calibration chamber (3), a sealing mechanism is further provided for sealing and partitioning the inside of the calibration chamber (3).

2. The CO2 sensor mounting structure for a gas analyzer calibration chamber according to claim 1, characterized in that: The sealing mechanism includes a protective cover (15). The protective cover (15) covers the opening on the upper surface of the calibration chamber (3). A sealing gasket (16) is welded to the middle of the bottom end of the protective cover (15). A number of sealing baffles (17) are fixedly connected to the bottom end of the sealing gasket (16).

3. The installation structure of the CO2 sensor in the calibration chamber of the gas analyzer according to claim 1, characterized in that: One side of the middle part of the outer surface of the limiting rod (11) is located inside the first groove (12) and the second groove (14). Both the first groove (12) and the second groove (14) are mutually fitted with the limiting rod (11).

4. The installation structure of the CO2 sensor in the calibration chamber of the gas analyzer according to claim 1, characterized in that: An external thread is formed on one side edge of the outer surface of the limiting rod (11). The fastening nut (13) is sleeved on the external thread.

5. The installation structure of the CO2 sensor in the calibration chamber of the gas analyzer according to claim 2, characterized in that: One side of the bottom of the sealing baffle (17) extends into the placement groove (7). The bottom end of the sealing baffle (17) is mutually attached to the upper surface of the installation plate (8). The side of the sealing baffle (17) is mutually attached to both sides of the inner wall of the placement groove (7).

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