Portable movable nitrogen oxide concentration monitor in air

Abstract

The utility model discloses a portable movable nitrogen oxide concentration monitor in air, which comprises a base, a mounting groove is arranged on the base, a sliding cavity is arranged in the base, a fixing component is arranged in the sliding cavity, a measuring equipment body is arranged in the mounting groove, the upper end face of the base is fixedly connected with a fixing rod, and the upper end face of the base is fixedly connected with the fixing rod. A lifting cavity is formed in the fixing rod, a conveying pipe is arranged on the measuring equipment body and penetrates through the fixing rod, and a gas conveying pipe penetrates through the end, away from the base, of the fixing rod in a sliding mode. A user can conveniently fix and disassemble the measuring equipment body, then the measuring equipment body can be moved through the pushing device, the portability of the device is improved, the user can conveniently transfer the measuring equipment body to a site during measurement, the height of an air inlet of the air conveying pipe can be adjusted, a worker does not need to hold the measuring equipment body by hand to lift the measuring equipment body, and the workload of the worker is reduced. And the portability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air measurement, in particular to a portable and movable nitrogen oxide concentration monitor in the air. Background Art

[0002] The nitrogen oxide analyzer is a gas analysis product developed for dilution measurement in ambient air quality monitoring and continuous emission monitoring systems (CEMS). The basic working principle of the nitrogen oxide analyzer is chemiluminescence. After NO and O3 react, NO2 is generated. After absorbing chemical energy, it is excited to an excited state, and then when it returns to the ground state from the excited state, it releases energy in the form of light quanta. NO can be quantitatively measured by the chemiluminescence intensity.

[0003] Existing nitrogen oxide concentration measurement equipment requires workers to manually move the equipment when transferring it, and the height of the collection end needs to be adjusted during detection, which requires workers to constantly adjust it, resulting in a large workload for workers and a bulky device.

[0004] To this end, we propose a portable and movable nitrogen oxide concentration monitor in the air to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and proposes a portable and movable nitrogen oxide concentration monitor in the air.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A portable and movable nitrogen oxide concentration monitor in the air comprises a base, a mounting groove is provided on the base, a sliding cavity is provided in the base, a fixing assembly is provided in the sliding cavity, a measuring device body is provided in the mounting groove, a fixing rod is fixedly connected to the upper end surface of the base, a lifting cavity is provided in the fixing rod, a delivery pipe is provided on the measuring device body, the delivery pipe passes through the fixing rod, an end of the fixing rod away from the base slides through an air pipe, a telescopic hose is provided on the air pipe and the delivery pipe, and a lifting assembly is provided in the lifting cavity.

[0008] Preferably, the fixing assembly comprises a plurality of spring frames fixedly connected to a side wall of the sliding cavity close to the mounting groove, a sliding opening is provided on an inner wall of the sliding cavity close to a side of the measuring device body, a plurality of the spring frames are arranged below the sliding opening, a U-shaped block is commonly fixedly connected to one end of the plurality of spring frames away from the measuring device body, a rolling wheel is rotatably connected to the inner wall of the U-shaped block, the U-shaped block is slidably connected in the sliding cavity, a fixing block is provided on a side wall of the U-shaped block close to the measuring device body, a fixing groove is provided on the measuring device body, the fixing block and the fixing groove are matched, a lifting opening is provided on the upper inner wall of the sliding cavity, a toggle block is slidably connected in the lifting opening, the toggle block is arranged above the rolling wheel, a groove is provided on the toggle block, the groove and the rolling wheel are matched, the top end of the toggle block is wedge-shaped, a limiting block is provided on the toggle block, a limiting groove is provided on an inner wall of the sliding cavity close to a side of the measuring device body, and the limiting block slides in the limiting groove.

[0009] Preferably, the lifting assembly includes a threaded rod rotatably connected to the inner wall of the lifting chamber, a first rotating gear is fixedly connected to the threaded rod, a connecting block is threaded through the threaded rod, one end of the connecting block is fixedly connected to the gas pipe, a second rotating gear is rotatably connected to the inner wall of the lifting chamber on a side away from the measuring device body, the first rotating gear and the second rotating gear are meshingly arranged, and a knob is provided on the side wall of the fixed rod away from the measuring device body, the knob rotatably passes through the fixed rod and is fixedly connected to the second rotating gear.

[0010] Preferably, a plurality of columns are fixedly connected to the lower end surface of the base, and universal wheels are provided on the end surfaces of the plurality of columns away from the base.

[0011] Preferably, a handle is fixedly connected to the knob.

[0012] Preferably, a handle is fixedly connected to the upper end surface of the toggle block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The user places the measuring device body into the installation slot, and then inserts the toggle block into the lifting port, so that the fixed block moves into the fixed slot on the measuring device body. When the user needs to disassemble the measuring device body, he only needs to take out the toggle block, which is convenient for the user to fix and disassemble the measuring device body. After that, the device can be moved by pushing the device, which improves the portability of the device.

[0015] 2. After the user has installed the measuring device body, the delivery pipe is connected to the measuring device body. At this time, the measuring device body starts to work and detects the air. When the user needs to detect the air at different heights, the user only needs to turn the handle to adjust the height of the air inlet of the air pipe. The staff does not need to hold it high, which reduces the workload of the staff and improves the portability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional schematic diagram of the front structure of a portable and movable nitrogen oxide concentration monitor in the air proposed by the utility model;

[0017] Figure 2 This is a three-dimensional cross-sectional view of the sliding cavity structure of a portable and movable nitrogen oxide concentration monitor in the air proposed by the utility model;

[0018] Figure 3 The utility model provides a three-dimensional cross-sectional view of the lifting chamber structure of a portable and movable nitrogen oxide concentration monitor in the air.

[0019] In the figure: 1 base, 2 mounting groove, 3 sliding cavity, 4 measuring device body, 5 fixing rod, 6 lifting cavity, 7 conveying pipe, 8 spring frame, 9 U-shaped block, 10 rolling wheel, 11 fixing block, 12 toggle block, 13 threaded rod, 14 first rotating gear, 15 connecting block, 16 second rotating gear, 17 column, 18 universal wheel, 19 grip, 20 pull handle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3 A portable and movable nitrogen oxide concentration monitor in the air comprises a base 1, a plurality of columns 17 are fixedly connected to the lower end surface of the base 1, and universal wheels 18 are arranged on the end surfaces of the plurality of columns 17 away from the base 1, so as to facilitate the user to move the device and improve the portability of the device. A mounting groove 2 is arranged on the base 1, a sliding cavity 3 is arranged in the base 1, a fixing assembly is arranged in the sliding cavity 3, a measuring device body 4 is arranged in the mounting groove 2, a fixing rod 5 is fixedly connected to the upper end surface of the base 1, a lifting cavity 6 is arranged in the fixing rod 5, a delivery pipe 7 is arranged on the measuring device body 4, the delivery pipe 7 penetrates the fixing rod 5, an end of the fixing rod 5 away from the base 1 slides and penetrates an air delivery pipe, a telescopic hose is arranged on the air delivery pipe and the delivery pipe 7, and a lifting assembly is arranged in the lifting cavity 6;

[0022] The fixing assembly includes a plurality of spring frames 8 fixedly connected to a side wall of the sliding cavity 3 close to the mounting groove 2, a sliding opening is provided on an inner wall of a side of the sliding cavity 3 close to the measuring device body 4, a plurality of spring frames 8 are arranged below the sliding opening, a U-shaped block 9 is fixedly connected to one end of the plurality of spring frames 8 away from the measuring device body 4, a rolling wheel 10 is rotatably connected to the inner wall of the U-shaped block 9, the U-shaped block 9 is slidably connected in the sliding cavity 3, a fixing block 11 is provided on a side wall of the U-shaped block 9 close to the measuring device body 4, a fixing groove is provided on the measuring device body 4, and the fixing block 11 and the fixing The grooves are matched, a lifting port is provided on the inner wall of the upper side of the sliding cavity 3, a toggle block 12 is slidably connected in the lifting port, the toggle block 12 is arranged above the rolling wheel 10, a groove is provided on the toggle block 12, the groove and the rolling wheel 10 are matched, the top of the toggle block 12 is wedge-shaped, a limit block is provided on the toggle block 12, a limit groove is provided on the inner wall of the sliding cavity 3 away from the measuring device body 4, the limit block slides in the limit groove, a handle 20 is fixedly connected to the upper end surface of the toggle block 12, the handle 20 is convenient for the user to pull the toggle block 12, and the portability of the device is improved;

[0023] The lifting assembly includes a threaded rod 13 rotatably connected to the inner wall of the lifting chamber 6, a first rotating gear 14 is fixedly connected to the threaded rod 13, a connecting block 15 is threadedly penetrated on the threaded rod 13, one end of the connecting block 15 is fixedly connected to the gas pipe, and a second rotating gear 16 is rotatably connected to the inner wall of the lifting chamber 6 on a side away from the measuring device body 4, the first rotating gear 14 and the second rotating gear 16 are meshingly arranged, and a knob is provided on a side wall of the fixed rod 5 away from the measuring device body 4, the knob rotatably penetrates the fixed rod 5 and is fixedly connected to the second rotating gear 16, and a handle 19 is fixedly connected to the knob, which is convenient for users to turn the knob, thereby improving the portability of the device.

[0024] During the use of the utility model, when the user needs to use the measuring device body 4, the user places the measuring device body 4 into the installation groove 2, and then inserts the toggle block 12 into the lifting port. At this time, the toggle block 12 will cause the scroll wheel 10 to rotate during the descent process, and then exert a horizontal force on the scroll wheel 10 to shrink the spring frame 8. At this time, the U-shaped block 9 will slide in the sliding cavity 3, so that the fixing block 11 moves to the fixing groove on the measuring device body 4. When the user needs to disassemble the measuring device body 4, he only needs to take out the toggle block 12. Under the action of the elastic force of the spring frame 8, the fixing block 11 is moved back into the sliding cavity 3, which is convenient for the user to fix and disassemble the measuring device body 4. After that, it can be moved by the pushing device, which improves the convenience of the device. Portability makes it easy for users to move locations during measurement. After the user installs the measuring device body 4, the delivery pipe 7 is connected to the measuring device body 4. At this time, the measuring device body 4 starts to work and detects the air. When the user needs to detect the air at different heights, the user only needs to turn the handle 19, and the handle 19 drives the second rotating gear 16 to rotate, and the second rotating gear 16 drives the first rotating gear 14 to rotate, so that the threaded rod 13 rotates, and the connecting block 15 on the threaded rod 13 is lifted and lowered in the lifting chamber 6, and the connecting block 15 drives the gas pipe to move up and down, so that the air inlet of the gas pipe can be adjusted in height, and the staff does not need to lift it up by hand, which reduces the workload of the staff and improves the portability of the device.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A portable and movable nitrogen oxide concentration monitor in air, comprising a base (1), characterized in that: The base (1) is provided with a mounting groove (2), a sliding cavity (3) is provided in the base (1), a fixing assembly is provided in the sliding cavity (3), a measuring device body (4) is provided in the mounting groove (2), a fixing rod (5) is fixedly connected to the upper end surface of the base (1), a lifting cavity (6) is provided in the fixing rod (5), a conveying pipe (7) is provided on the measuring device body (4), the conveying pipe (7) passes through the fixing rod (5), and an end of the fixing rod (5) away from the base (1) is slidingly connected to the fixing rod (5). A gas delivery pipe is provided through the sliding chamber (6), and a telescopic hose is provided on the gas delivery pipe and the delivery pipe (7). A lifting assembly is provided in the lifting chamber (6). The fixing assembly includes a plurality of spring frames (8) fixedly connected to a side wall of the sliding chamber (3) close to the mounting groove (2). A sliding opening is provided on an inner wall of a side of the sliding chamber (3) close to the measuring device body (4). The plurality of spring frames (8) are provided below the sliding opening. One end of the plurality of spring frames (8) away from the measuring device body (4) is fixedly connected to a U-shaped block (9). ), a rolling wheel (10) is rotatably connected to the inner wall of the U-shaped block (9), the U-shaped block (9) is slidably connected in the sliding cavity (3), a fixing block (11) is provided on a side wall of the U-shaped block (9) close to the measuring device body (4), a fixing groove is provided on the measuring device body (4), the fixing block (11) and the fixing groove are matched, a lifting opening is provided on the upper inner wall of the sliding cavity (3), a toggle block (12) is slidably connected in the lifting opening, and the toggle block (12) is arranged on the rolling wheel. (10), a groove is arranged on the toggle block (12), the groove and the rolling wheel (10) are matched, the top of the toggle block (12) is wedge-shaped, a limit block is arranged on the toggle block (12), a limit groove is arranged on the inner wall of the sliding cavity (3) away from the measuring device body (4), the limit block slides in the limit groove, and a plurality of columns (17) are fixedly connected to the lower end surface of the base (1), and a universal wheel (18) is arranged on the end surface of the plurality of columns (17) away from the base (1).

2. A portable and movable nitrogen oxide concentration monitor in air according to claim 1, characterized in that: The lifting assembly comprises a threaded rod (13) rotatably connected to the inner wall of the lifting chamber (6), a first rotating gear (14) being fixedly connected to the threaded rod (13), a connecting block (15) being threadedly penetrated on the threaded rod (13), one end of the connecting block (15) being fixedly connected to the gas pipe, a second rotating gear (16) being rotatably connected to the inner wall of the lifting chamber (6) on a side away from the measuring device body (4), the first rotating gear (14) and the second rotating gear (16) being meshingly arranged, and a knob being arranged on a side wall of the fixed rod (5) away from the measuring device body (4), the knob rotatably penetrating the fixed rod (5) and being fixedly connected to the second rotating gear (16).

3. A portable and movable nitrogen oxide concentration monitor in air according to claim 2, characterized in that: A handle (19) is fixedly connected to the knob.

4. A portable and movable nitrogen oxide concentration monitor in air according to claim 1, characterized in that: A pull handle (20) is fixedly connected to the upper end surface of the toggle block (12).

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