Rapid calibration device of portable natural gas detector

By designing a fast calibration device on a portable natural gas detector, including a U-shaped plug-in board, a positioning module, a connecting pipe and a fast calibration component, the detection erratic problem caused by the restricted detection environment is solved, and the stability and accuracy of detection are achieved.

CN222979573UActive Publication Date: 2025-06-13BEIJING GAS FANGSHAN CO LTD
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Patent Information

Application Number
CN202421752850.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-06-13
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

During the inspection process, the portable natural gas detector has a erratic situation due to the limitation of the detection environment, and different results occur between the gas and the detection standards, affecting the overall detection effect.

Method used

A fast calibration device is designed, including a U-shaped plug-in board, a positioning module, a connecting pipe and a fast calibration assembly. Through these components, the detector is kept stable, the airflow stability is ensured, and the rapid calibration assembly is used for comparison and inspection to improve detection accuracy.

Benefits of technology

With this device, the stability of the detector and the stability of the airflow can be maintained while the detection environment is limited, the accuracy and reliability of the detection can be improved, and the overall use effect can be improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of calibration devices, in particular to a rapid calibration device of a portable natural gas detector. The technical problems that in the detection process of a portable natural gas detector, direct measurement is carried out through a measuring end, the detection environment is limited, the detection is unstable, different results are generated between entering gas and a detection standard, and the overall detection effect is affected are solved. According to the technical scheme, the rapid calibration device of the portable natural gas detector comprises a portable natural gas detector body, a U-shaped clamping sleeve plate, a positioning module, a connecting pipe and a rapid calibration assembly; the positioning module is arranged in the center of the top of the portable natural gas detector body and can be positioned and installed in a steering mode to keep overall stability and store the connecting pipe, the connecting pipe is arranged on the two sides of the upper portion of the portable natural gas detector body in a communicating mode and can be used for airflow conveying, and rapid calibration and comparison detection can be achieved through the rapid calibration assembly. And the overall use effect is improved.
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Description

Technical Field

[0001] The utility model relates to the field of calibration devices, in particular to a rapid calibration device for a portable natural gas detector. Background Art

[0002] A natural gas detector is a device used to detect the gas concentration in indoor air, mainly for detecting toxic and harmful gases, combustible gases, etc., especially the leakage of natural gas. This device can protect the safety of personnel's lives and detect the concentration of dangerous gases exposed to extreme environments. The rapid calibration device for a portable natural gas detector is mainly used to rapidly and accurately calibrate the portable natural gas detector to ensure the accuracy and reliability of the detector. In the existing portable natural gas detector, during the detection process, direct measurement is carried out using the measurement end. When the detection environment is limited, the detection will fluctuate, resulting in different results between the incoming gas and the detection standard, affecting the overall detection effect. Therefore, we propose a rapid calibration device for a portable natural gas detector to solve the problems mentioned above. Content of the Utility Model

[0003] In order to overcome the problem that in the existing portable natural gas detector, during the detection process, direct measurement is carried out using the measurement end. When the detection environment is limited, the detection will fluctuate, resulting in different results between the incoming gas and the detection standard, affecting the overall detection effect.

[0004] The technical solution of the utility model is as follows: A rapid calibration device for a portable natural gas detector includes a portable natural gas detector body, a U-shaped clamping sleeve plate, a positioning module, a connecting pipe, and a rapid calibration component; a U-shaped clamping sleeve plate for positioning itself and keeping the air flow stable to prevent shaking during calibration is provided at the lower end of the portable natural gas detector body; a positioning module for steerable positioning and installation to keep the whole stable and for storing the connecting pipe is provided at the center of the top of the portable natural gas detector body; connecting pipes for air flow transmission are connected and provided on both sides above the portable natural gas detector body; and a rapid calibration component for rapid calibration and comparative detection is provided at one end of the connecting pipe away from the portable natural gas detector body.

[0005] Preferably, through the U-shaped clamping sleeve plate provided at the lower end of the portable natural gas detector body, it can be used for positioning itself and keeping the air flow stable to prevent shaking during calibration; through the positioning module provided at the center of the top of the portable natural gas detector body, it can be steerably positioned and installed to keep the whole stable and store the connecting pipe; through the connecting pipes provided on both sides above the portable natural gas detector body and connected, it can be used for air flow transmission; and by using the rapid calibration component, rapid calibration and comparative detection can be carried out to improve the overall use effect.

[0006] Preferably, a display screen for observing data changes is provided on the surface of the portable natural gas detector body. An indicator light is provided below the display screen, and a reset control button is provided below the indicator light. A reset controller is provided inside the reset control button. A signal receiver, a sampler, an alarm, and a signal controller are provided inside the display screen. Gas sampling can be performed through the sampler.

[0007] Preferably, limiting grooves are provided on both sides and near the two ends of the bottom of the U-shaped clamping sleeve plate. Adjusting shafts passing through the portable natural gas detector body are provided at both upper ends of the U-shaped clamping sleeve plate. A first tightening bolt is provided at the outer end of the adjusting shaft. The first tightening bolt drives the adjusting shaft to drive the U-shaped clamping sleeve plate to turn and adjust. A shock-absorbing rubber sleeve is coated on the outer wall of the U-shaped clamping sleeve plate. Through the shock-absorbing rubber sleeve, the shock-absorbing and protective performance can be increased.

[0008] Preferably, the positioning module includes a balancing base plate, a fixing column, a clamping groove, and a second tightening bolt. Clamping grooves are symmetrically provided on the balancing base plate. A fixing column is provided at the center of the bottom of the balancing base plate. A second tightening bolt is provided between the fixing column and the balancing base plate. The second tightening bolt drives the balancing base plate to rotate and adjust along the top of the fixing column. By driving the balancing base plate to rotate and adjust along the top of the fixing column through the second tightening bolt, the adjustment flexibility can be increased.

[0009] Preferably, a rubber damping sleeve is sleeved on the connecting pipe. A sealing sleeve plate is provided at one end of the connecting pipe. A disassembly bolt sleeve is provided between the sealing sleeve plate and the connecting pipe. By using the disassembly bolt sleeve, a suitable connecting pipe can be replaced.

[0010] Preferably, the quick calibration component includes a positioning sleeve, an inhalation pipe, a protection chamber, a marking rod, a gas concentration detector, a detection head, a shock-absorbing column, a third tightening bolt, a positioning ring, an electromagnetic control valve, a sleeve, a delivery pipe, a data screen, and a regulating valve. An inhalation pipe is provided at the center of the positioning sleeve. A protection chamber for accommodating the inhalation pipe is provided inside the positioning sleeve. Three groups of marking rods are circumferentially provided at the outer end of the inhalation pipe. A detection head extending into the inhalation pipe is provided at one end of the marking rod. A gas concentration detector is provided at the end of the marking rod away from the detection head. An electromagnetic control valve is provided at the lower end of the inhalation pipe. A sleeve is provided at one end of the electromagnetic control valve. A meter is provided inside the electromagnetic control valve. A delivery pipe is provided at the outer end of the meter. A regulating valve is provided at one end of the delivery pipe. The outer end of the meter is electrically connected to a data screen. The data screen is electrically connected to the gas concentration detector. A wireless Bluetooth signaler is provided inside the data screen. According to the detection situation of the meter, the size of the airflow entering is controlled. The gas enters the sampler through the connecting pipe. The data is compared and calibrated with the wireless Bluetooth signaler. Press the reset control button to adjust.

[0011] Preferably, three groups of shock-absorbing columns are circumferentially arranged at the outer end of the positioning sleeve. A positioning ring is provided at one end of the shock-absorbing column away from the positioning sleeve. A third tightening bolt is provided between the positioning ring and the positioning sleeve. The third tightening bolt drives the positioning ring to rotate and adjust along the top of the shock-absorbing column. By driving the positioning ring to rotate and adjust along the top of the shock-absorbing column with the third tightening bolt, the positioning ring can be turned to fit the positioning.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. Different from the previous portable natural gas detectors, which directly measure during the detection process, and when the detection environment is limited, the detection results are erratic, resulting in different results between the incoming gas and the detection standard, affecting the overall detection effect. The U-shaped clamping sleeve plate is provided at the lower end of the portable natural gas detector body, which can be used for self-positioning and maintaining stable air flow to prevent calibration from shaking. The positioning module is provided at the center of the top of the portable natural gas detector body, which can be rotatably positioned and installed to keep the whole stable and accommodate the connecting pipe. The connecting pipe is provided on both sides above the portable natural gas detector body and is communicated, which can be used for air flow transmission. The rapid calibration component can quickly calibrate and compare the detection, improving the overall use effect.

[0014] 2. When in use, the positioning ring can stabilize the positioning sleeve. The air flow enters the suction pipe and is pre-detected by the detection head and the gas concentration detector. The data is fed back to the data screen and then fed back to the signal receiver through the wireless Bluetooth signaler. The regulating valve can be used to control the size of the incoming air flow according to the detection situation of the meter. The gas enters the sampler through the connecting pipe, and the data is compared and calibrated with the wireless Bluetooth signaler. Press the reset control button for adjustment. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 It is a schematic diagram of the U-shaped clamping sleeve plate of the present utility model;

[0017] Figure 3 It is a schematic diagram of the connecting pipe of the present utility model;

[0018] Figure 4 It is a schematic diagram of the rapid calibration component of the present utility model;

[0019] Figure 5 It is another angle schematic diagram of the rapid calibration component of the present utility model.

[0020] Description of the reference numerals: 1. Portable natural gas detector body; 2. U-shaped clamping sleeve plate; 3. Positioning module; 4. Connecting pipe; 5. Quick calibration component; 101. Indicator light; 102. Display screen; 103. Reset control button; 201. Limit groove; 202. Shock-absorbing rubber sleeve; 203. Adjusting shaft; 204. First tightening bolt; 301. Balancing abutment plate; 302. Fixed column; 303. Clamping groove; 304. Second tightening bolt; 401. Sealing sleeve plate; 402. Demounting bolt sleeve; 403. Rubber damping sleeve; 501. Positioning sleeve; 502. Suction pipe; 503. Protection chamber; 504. Marking rod; 505. Gas concentration detector; 506. Detection head; 507. Shock-absorbing column; 508. Third tightening bolt; 509. Positioning ring; 510. Electromagnetic control valve; 511. Sleeve; 512. Delivery pipe; 513. Data screen; 514. Regulating valve. Detailed implementation manners

[0021] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] Please refer to Figure 1-2 , the present utility model provides an embodiment: a quick calibration device for a portable natural gas detector, including a portable natural gas detector body 1, a U-shaped clamping sleeve plate 2, a positioning module 3, a connecting pipe 4 and a quick calibration component 5; a U-shaped clamping sleeve plate 2 for positioning the portable natural gas detector body 1 itself and maintaining stable air flow to prevent shaking during calibration is provided at the lower end of the portable natural gas detector body 1, a positioning module 3 for rotatable positioning installation to keep the whole stable and for receiving and connecting the connecting pipe 4 is provided at the center of the top of the portable natural gas detector body 1, connecting pipes 4 for air flow delivery are communicated and provided on both sides above the portable natural gas detector body 1, and a quick calibration component 5 for quick calibration and comparative detection is provided at one end of the connecting pipe 4 away from the portable natural gas detector body 1.

[0023] Please refer to Figure 2-4, in this embodiment, a display screen 102 for observing data changes is provided on the surface of the portable natural gas detector body 1. Below the display screen 102, an indicator light 101 is provided. Below the indicator light 101, a reset control button 103 is provided. Inside the reset control button 103, a reset controller is provided. Inside the display screen 102, a signal receiver, a sampler, an alarm, and a signal controller are provided. Gas sampling can be performed through the sampler. Limiting slots 201 are provided at both sides and near both ends of the bottom of the U-shaped clamping sleeve plate 2. At both upper ends of the U-shaped clamping sleeve plate 2, adjusting shafts 203 passing through the portable natural gas detector body 1 are provided. At the outer ends of the adjusting shafts 203, first tightening bolts 204 are provided. The first tightening bolts 204 drive the adjusting shafts 203 to drive the U-shaped clamping sleeve plate 2 to turn and adjust. The outer wall of the U-shaped clamping sleeve plate 2 is coated with a shock-absorbing rubber sleeve 202. Through the shock-absorbing rubber sleeve 202, the shock-absorbing and protective performance can be increased. The model of the signal receiver is MW150UH, the model of the signal controller is TC-3500, and the model of the reset controller is DNS-D606X.

[0024] Please refer to Figure 3-4 , in this embodiment, the positioning module 3 includes a balance abutment plate 301, a fixing column 302, a clamping groove 303, and a second tightening bolt 304. Clamping grooves 303 are symmetrically provided on the balance abutment plate 301. A fixing column 302 is provided at the center of the bottom of the balance abutment plate 301. A second tightening bolt 304 is provided between the fixing column 302 and the balance abutment plate 301. The second tightening bolt 304 drives the balance abutment plate 301 to rotate and adjust along the top of the fixing column 302. By driving the balance abutment plate 301 to rotate and adjust along the top of the fixing column 302 through the second tightening bolt 304, the adjustment flexibility can be increased. A rubber damping sleeve 403 is sleeved on the connecting pipe 4. One end of the connecting pipe 4 is provided with a sealing sleeve plate 401. A disassembly bolt sleeve 402 is provided between the sealing sleeve plate 401 and the connecting pipe 4. By using the disassembly bolt sleeve 402, a suitable connecting pipe 4 can be replaced.

[0025] Please refer to Figure 1-5, in this embodiment, the quick calibration component 5 includes a positioning sleeve 501, a suction pipe 502, a protection cavity 503, a marking rod 504, a gas concentration detector 505, a detection head 506, a shock-absorbing column 507, a third tightening bolt 508, a positioning ring 509, an electromagnetic control valve 510, a sleeve 511, a delivery pipe 512, a data screen 513 and a regulating valve 514. A suction pipe 502 is provided at the center of the positioning sleeve 501. A protection cavity 503 for accommodating the suction pipe 502 is formed inside the positioning sleeve 501. Three groups of marking rods 504 are circumferentially provided at the outer end of the suction pipe 502. A detection head 506 extending into the suction pipe 502 is provided at one end of the marking rod 504. A gas concentration detector 505 is provided at the end of the marking rod 504 away from the detection head 506. An electromagnetic control valve 510 is provided at the lower end of the suction pipe 502. A sleeve 511 is provided at one end of the electromagnetic control valve 510. A meter is provided inside the electromagnetic control valve 510. A delivery pipe 512 is provided at the outer end of the meter. A regulating valve 514 is provided at one end of the delivery pipe 512. The outer end of the meter is electrically connected to a data screen 513. The data screen 513 is electrically connected to the gas concentration detector 505. A wireless Bluetooth signaler is provided inside the data screen 513. The model of the gas concentration detector 505 is ADKS-4, the model of the wireless Bluetooth signaler is AX900, and the model of the meter is BB12-BN-II. According to the detection situation of the meter, the size of the airflow entering is controlled. The gas enters the sampler through the connecting pipe 4. The data is compared and calibrated with the wireless Bluetooth signaler. Press the reset control button 103 for adjustment. Three groups of shock-absorbing columns 507 are circumferentially provided at the outer end of the positioning sleeve 501. A positioning ring 509 is provided at the end of the shock-absorbing column 507 away from the positioning sleeve 501. A third tightening bolt 508 is provided between the positioning ring 509 and the positioning sleeve 501. The third tightening bolt 508 drives the positioning ring 509 to rotate and adjust along the top of the shock-absorbing column 507. By driving the positioning ring 509 to rotate and adjust along the top of the shock-absorbing column 507 through the third tightening bolt 508, the positioning ring 509 can be turned to be adaptively positioned.

[0026] When working, according to the different environments and positions to be detected, the adjustment shaft 203 is driven by the first tightening bolt 204 to drive the U-shaped clamping sleeve plate 2 to turn and adjust. It is limited and installed through the limiting groove 201 to keep the portable natural gas detector body 1 stable. When encountering a narrow position, the second tightening bolt 304 drives the balance abutting plate 301 to rotate and adjust along the top of the fixed column 302, and it is abutted and installed by the clamping groove 303. The connecting pipe 4 is inserted into a suitable position. Synchronously, the positioning ring 509 is driven by the third tightening bolt 508 to rotate and adjust along the top of the shock-absorbing column 507. The positioning sleeve 501 can be stabilized by using the positioning ring 509. The air flow enters the suction pipe 502 and is pre-detected by the detection head 506 and the gas concentration detector 505. The data is fed back to the data screen 513 and then fed back to the signal receiver through the wireless Bluetooth signaler. The regulating valve 514 can be used to control the size of the air flow entering according to the detection situation of the meter. The gas enters the sampler through the connecting pipe 4, and the data is compared and calibrated with the wireless Bluetooth signaler. Press the reset control button 103 to make adjustments.

[0027] Through the above steps, the U-shaped clamping sleeve plate 2 is arranged at the lower end of the portable natural gas detector body 1 and can be used to position itself and keep the air flow stable to prevent shaking during calibration. The positioning module 3 is arranged at the center of the top of the portable natural gas detector body 1 and can be rotatably positioned and installed to keep the whole stable and accommodate the connecting pipe 4. The connecting pipe 4 is arranged in a communicating manner on both sides above the portable natural gas detector body 1 and can be used for air flow transmission. The quick calibration component 5 can quickly calibrate and compare detections to improve the overall use effect.

[0028] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention 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 gist of the present invention.

Claims

1. A rapid calibration device for a portable natural gas detector, comprising a portable natural gas detector body (1); characterized in that: The portable natural gas detector body (1) also includes a U-shaped clamping sleeve (2), a positioning module (3), a connecting pipe (4) and a quick calibration component (5); the lower end of the portable natural gas detector body (1) is provided with a U-shaped clamping sleeve (2) for positioning itself and maintaining airflow stability to prevent calibration from shaking; the top center of the portable natural gas detector body (1) is provided with a positioning module (3) that can be turned and positioned to maintain overall stability and accommodate the connecting pipe (4); both upper sides of the portable natural gas detector body (1) are connected with connecting pipes (4) for airflow transmission; and the end of the connecting pipe (4) away from the portable natural gas detector body (1) is provided with a quick calibration component (5) for quick calibration and comparison detection.

2. A rapid calibration device for a portable natural gas detector according to claim 1, characterized in that: A display screen (102) for observing data changes is provided on the surface of a portable natural gas detector body (1), an indicator light (101) is provided below the display screen (102), a reset control button (103) is provided below the indicator light (101), a reset controller is provided inside the reset control button (103), and a signal receiver, a sampler, an alarm and a signal controller are provided inside the display screen (102).

3. A rapid calibration device for a portable natural gas detector according to claim 1, characterized in that: Limiting grooves (201) are provided on both sides and both ends near the bottom of the U-shaped clamping sleeve (2); both ends above the U-shaped clamping sleeve (2) are provided with adjustment shafts (203) that pass through the portable natural gas detector body (1); the outer end of the adjustment shaft (203) is provided with a first loosening bolt (204); the first loosening bolt (204) drives the adjustment shaft (203) to drive the U-shaped clamping sleeve (2) to adjust the direction; the outer wall of the U-shaped clamping sleeve (2) is covered with a shock-absorbing rubber sleeve (202).

4. A rapid calibration device for a portable natural gas detector according to claim 1, characterized in that: The positioning module (3) comprises a balancing plate (301), a fixing column (302), a clamping groove (303) and a second tightening bolt (304); the balancing plate (301) is symmetrically provided with the clamping groove (303); a fixing column (302) is provided at the bottom center of the balancing plate (301); a second tightening bolt (304) is provided between the fixing column (302) and the balancing plate (301); the second tightening bolt (304) drives the balancing plate (301) to rotate and adjust along the top of the fixing column (302).

5. The rapid calibration device for a portable natural gas detector according to claim 1, characterized in that: A rubber damping sleeve (403) is sleeved on the connecting pipe (4), a sealing sleeve plate (401) is provided at one end of the connecting pipe (4), and a disassembly bolt sleeve (402) is provided between the sealing sleeve plate (401) and the connecting pipe (4).

6. A rapid calibration device for a portable natural gas detector according to claim 1, characterized in that: The rapid calibration component (5) comprises a positioning sleeve (501), a suction pipe (502), a protective cavity (503), a marking rod (504), a gas concentration detector (505), a detection head (506), a shock absorbing column (507), a third loosening bolt (508), a positioning ring (509), an electromagnetic control valve (510), a sleeve (511), a delivery pipe (512), a data screen (513) and a regulating valve (514). The center of the positioning sleeve (501) is provided with a suction pipe (502), the interior of the positioning sleeve (501) is provided with a protective cavity (503) for accommodating the suction pipe (502), the outer end of the suction pipe (502) is provided with three groups of marking rods (504) in a circumferential direction, and the marking rods (50 4) is provided with a detection head (506) that penetrates into the suction pipe (502), a gas concentration detector (505) is provided at one end of the marking stick (504) away from the detection head (506), an electromagnetic control valve (510) is provided at the lower end of the suction pipe (502), a sleeve (511) is provided at one end of the electromagnetic control valve (510), a meter is provided inside the electromagnetic control valve (510), a delivery pipe (512) is provided at the outer end of the meter, a regulating valve (514) is provided at one end of the delivery pipe (512), a data screen (513) is electrically connected to the outer end of the meter, the data screen (513) is electrically connected to the gas concentration detector (505), and a wireless Bluetooth annunciator is provided inside the data screen (513).

7. A rapid calibration device for a portable natural gas detector according to claim 6, characterized in that: Three groups of shock-absorbing columns (507) are circumferentially arranged at the outer end of the positioning sleeve (501); a positioning ring (509) is arranged at one end of the shock-absorbing column (507) away from the positioning sleeve (501); a third tightening bolt (508) is arranged between the positioning ring (509) and the positioning sleeve (501); the third tightening bolt (508) drives the positioning ring (509) to rotate and adjust along the top of the shock-absorbing column (507).