Pumping type laser gas detector
By designing extension and telescopic components for the pump-suction laser gas detector, the problem of inconvenience in detecting gas in narrow areas was solved, enabling more accurate gas detection and data acquisition.
Patent Information
- Application Number
- CN202422887272.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing laser gas detectors are inconvenient for operators to enter the detection area in some special locations, making the detection work dangerous and inconvenient, especially in narrow or hard-to-access areas, resulting in long detection distances and inaccurate data.
A pump-suction laser gas detector was designed, equipped with extension and telescopic components, including a plug, a spiral telescopic tube, a telescopic outer tube, an inner tube, and a limiting block. These components are used to extend the detection range and ensure sealing. Gas sealing and stable detection are achieved through rubber sealing rings and polytetrafluoroethylene extension hoses.
It enables accurate detection in narrow or hard-to-reach areas, provides more accurate data, avoids gas leaks, and is suitable for gas detection in complex environments.
Smart Images

Figure CN223883453U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to frequency distributor technical field, concretely is a pump suction type laser gas detection appearance. BACKGROUND
[0002] The laser gas detection device is based on the spectrum absorption principle, the current modulation is carried out to the laser through the control device, the laser of specific wavelength is sent to the reflection surface and is reflected back to the laser detector after passing through the gas monitoring area, if the laser passes through the gas area of the characteristic gas to be detected, the laser will be absorbed by the gas, the higher the concentration of the characteristic gas, the greater the absorption, the laser detector will monitor the change of laser intensity and feedback to the control device for processing, and finally the signal is output to the display device to display the concentration result, the laser gas detection device has been widely applied in the monitoring and content detection of some special gas (such as methane, propane and the like).
[0003] The existing laser gas detector is inconvenient for the operator to enter the detection area for detection when used in some special places, which brings great inconvenience to the gas detection work, and at the same time, the detection work is dangerous, and the leakage position of many areas is not easy and inconvenient to explore, which finally leads to the situation that the detection distance is too far and the data is not accurate. UTILITY MODEL CONTENT
[0004] The utility model content aims at providing a pump suction type laser gas detection appearance, which solves the problem proposed in the background art.
[0005] The application embodiment provides a pump suction type laser gas detection appearance, which comprises a detector, the bottom of the detector is provided with an extension assembly, and one end of the extension assembly is provided with a telescopic assembly.
[0006] By adopting the above technical scheme, the length between the telescopic assembly and the detector is conveniently extended by the extension assembly, so that the use is more convenient, the detection of the area where the leakage area is relatively narrow or not easy to explore is facilitated by the telescopic assembly, the position of the leakage is more accurate, and the data is also more accurate.
[0007] Optionally, the extension assembly comprises a plug block, the plug block is inserted with the detector, an air suction pump is installed in the inside of the detector, the air suction pump is communicated with the air suction pump, and one end of the plug block is fixedly communicated with a spiral telescopic pipe.
[0008] By adopting the above technical scheme, the plug block is used to facilitate the insertion of the spiral telescopic pipe, the length is stretched during use, so that the use is more convenient and not too limited.
[0009] Optionally, the telescopic assembly comprises a communication head fixedly communicated with the spiral telescopic pipe, one end of the communication head is fixedly communicated with a telescopic outer sleeve, the inner side of the telescopic outer sleeve is slidably connected with a first inner sleeve, the inner side of the telescopic outer sleeve and the opposite side of the first limiting block are provided with a first rubber sealing ring, the first rubber sealing ring is fixedly connected with the telescopic outer sleeve, the inner side of the first inner sleeve is slidably connected with a second inner sleeve, the inner side of the first inner sleeve and the opposite side of the second limiting block are provided with a second rubber sealing ring, the second rubber sealing ring is fixedly connected with the first inner sleeve, the inner side of the second inner sleeve is slidably connected with a third inner sleeve, the inner side of the second inner sleeve and the opposite side of the third limiting block are provided with a third rubber sealing ring, the third rubber sealing ring is fixedly connected with the second inner sleeve, the inner side of the third inner sleeve is slidably connected with a fourth inner sleeve, the inner side of the third inner sleeve and the opposite side of the fourth limiting block are provided with a fourth rubber sealing ring.
[0010] By adopting the above technical scheme, the length of the telescopic outer sleeve, the first inner sleeve, the second inner sleeve, the third inner sleeve and the fourth inner sleeve can be extended and contracted, which can solve the problem that the distance to be detected is too far or too high to be measured well. The first limiting block, the second limiting block, the third limiting block and the fourth limiting block are provided to play a sliding limiting role. The first rubber sealing ring, the second rubber sealing ring, the third rubber sealing ring and the fourth rubber sealing ring are provided to play a gas sealing role after telescoping, and gas leakage will not occur at the joint.
[0011] Optionally, the outer side of the telescopic outer sleeve is sleeved with a rubber sleeve.
[0012] By adopting the above technical scheme, the rubber sleeve is provided to make the telescopic outer sleeve more stable when held by hand, and hand slippage will not occur.
[0013] Optionally, the outer side of one end of the first inner sleeve, the second inner sleeve, the third inner sleeve and the fourth inner sleeve is provided with an anti-skid pattern.
[0014] By adopting the above technical scheme, the anti-skid lines are arranged, so that it is not difficult to pull the first inner sleeve, the second inner sleeve, the third inner sleeve and the fourth inner sleeve manually, and the instrument is not laborious when used.
[0015] Optionally, an end of the fourth inner sleeve is internally threadedly connected with a polytetrafluoroethylene extension hose.
[0016] By adopting the above technical scheme, the polytetrafluoroethylene extension hose is arranged, so that it is convenient to detect in irregular narrow gaps, the material has excellent chemical stability and high temperature resistance, the hose head can ensure that the gas sample is not polluted in the transmission process, and the hose head has good flexibility and is convenient to use in complex environments.
[0017] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:
[0018] The technical scheme of the present application utilizes the telescopic outer sleeve, the first inner sleeve, the second inner sleeve, the third inner sleeve and the fourth inner sleeve, so that the length thereof can be extended and contracted, the distance to be detected is too far or too high, and the place cannot be well measured, the first limiting block, the second limiting block, the third limiting block and the fourth limiting block are arranged, so that the sliding limiting effect is achieved, the first rubber sealing ring, the second rubber sealing ring, the third rubber sealing ring and the fourth rubber sealing ring are arranged, so that the gas sealing effect is achieved after the extension, the connection part will not leak the gas at the gap connection part, and the polytetrafluoroethylene extension hose is arranged, so that it is convenient to detect in irregular narrow gaps. BRIEF DESCRIPTION OF DRAWINGS
[0019] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0021] Figure 2 It is a schematic diagram of the internal structure of the telescopic assembly of the present application;
[0022] Figure 3 It is a schematic diagram of the internal structure of the telescopic assembly of the present application; Figure 2 It is a schematic diagram of the structure of A in the present application;
[0023] Figure 4 It is a schematic diagram of the structure of B in the present application. Figure 2 It is a schematic diagram of the structure of B in the present application.
[0024] In the figure: 1, detector; 2, plug block; 21, spiral telescopic pipe; 3, communication head; 31, telescopic outer sleeve pipe; 32, first inner sleeve pipe; 33, first limiting stopper; 34, first rubber sealing ring; 35, rubber sleeve; 4, second inner sleeve pipe; 41, second limiting stopper; 42, second rubber sealing ring; 5, third inner sleeve pipe; 51, third limiting stopper; 52, third rubber sealing ring; 6, fourth inner sleeve pipe; 61, fourth limiting stopper; 62, fourth rubber sealing ring; 7, polytetrafluoroethylene extension hose. DETAILED DESCRIPTION
[0025] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a pump suction type laser gas detector, including detector 1, the bottom of detector 1 is provided with extension assembly, one end of extension assembly is provided with telescopic assembly;
[0026] In this technical scheme, the length between telescopic assembly and detector 1 is conveniently extended by using the set extension assembly, so that it is more convenient to use, the set telescopic assembly is used to conveniently detect the area that leakage detection area is relatively narrow or not easy to explore, the position of leakage is more accurate, and data is more accurate.
[0027] In some technical solutions, such as Figures 1-4 Extension assembly includes plug block 2, plug block 2 is inserted with detector 1, detector 1 is internally provided with suction pump, suction pump is communicated with suction pump, one end of plug block 2 is fixedly communicated with spiral telescopic pipe 21;Plug block 2 is used to conveniently insert and use spiral telescopic pipe 21, and the length of use is extended during use, so that it is more convenient during use, and it is not too limited.
[0028] In some technical solutions, such as Figures 1-4The telescopic assembly comprises a communication head 3 fixedly communicated with the spiral telescopic pipe 21, one end of the communication head 3 is fixedly communicated with a telescopic outer sleeve pipe 31, the inner side of the telescopic outer sleeve pipe 31 is slidably connected with a first inner sleeve pipe 32, the inner side of the telescopic outer sleeve pipe 31 opposite to the first limiting block 33 is provided with a first rubber sealing ring 34, the inner side of the first inner sleeve pipe 32 is slidably connected with a second inner sleeve pipe 4, the inner side of the first inner sleeve pipe 32 opposite to the second limiting block 41 is provided with a second rubber sealing ring 42, the inner side of the second inner sleeve pipe 4 is slidably connected with a third inner sleeve pipe 5, the inner side of the second inner sleeve pipe 4 opposite to the third limiting block 51 is provided with a third rubber sealing ring 52, and the inner side of the third inner sleeve pipe 5 is slidably connected with a fourth inner sleeve pipe 6.
[0029] In some technical solutions, for example, Figures 1-4 The outer side of the telescopic outer sleeve pipe 31 is sleeved with a rubber sleeve 35; the rubber sleeve 35 is arranged to facilitate holding the telescopic outer sleeve pipe 31 more stably and prevent hand slippage.
[0030] In some technical solutions, for example, Figures 1-4The outer side of one end of the first inner sleeve 32, the second inner sleeve 4, the third inner sleeve 5 and the fourth inner sleeve 6 is provided with anti-skid lines; the anti-skid lines are used to avoid difficulty in manually pulling the first inner sleeve 32, the second inner sleeve 4, the third inner sleeve 5 and the fourth inner sleeve 6, so that the instrument is not very laborious to use.
[0031] In some technical solutions, such as Figures 1-4 The inner side of one end of the fourth inner sleeve 6 is threadedly connected with a polytetrafluoroethylene extension hose 7; the polytetrafluoroethylene extension hose 7 is used to conveniently detect in irregular narrow gaps, the material has excellent chemical stability and high temperature resistance, the hose head can ensure that the gas sample is not polluted in the transmission process, and the hose head has good flexibility and is convenient to use in complex environments.
[0032] In use, according to the detection distance, the first inner sleeve 32, the second inner sleeve 4, the third inner sleeve 5 and the fourth inner sleeve 6 are sequentially stretched, the gas inlet end of the fourth inner sleeve 6 is close to the area to be detected, the detector 1 is started, so that the internal air suction pump sucks the gas from the gas inlet end of the fourth inner sleeve 6, and the gas sequentially passes through the third inner sleeve 5, the second inner sleeve 4, the first inner sleeve 32, the telescopic outer sleeve 31, the communication head 3 and the spiral telescopic pipe 21, and finally reaches the inside of the detector 1, so that the content of the special gas in the air of the detection area can be directly detected, and the polytetrafluoroethylene extension hose 7 is used to conveniently detect the gas condition in irregular narrow gaps.
Claims
1. A pump-suction laser gas detector, comprising a detector (1), characterized in that: The bottom of the detector (1) is provided with an extension component, and one end of the extension component is provided with a telescopic component; The extension component includes a plug (2), which is plugged into the detector (1). The detector (1) is equipped with an air pump, which is connected to the air pump. One end of the plug (2) is fixedly connected to a spiral telescopic tube (21). The telescopic assembly includes a connecting head (3), which is fixedly connected to the spiral telescopic tube (21). One end of the connecting head (3) is fixedly connected to a telescopic outer tube (31). A first inner tube (32) is slidably connected to the inner side of the telescopic outer tube (31). A first limiting block (33) is provided inside the telescopic outer tube (31) and outside the first inner tube (32). The first limiting block (33) is fixedly connected to the first inner tube (32) and is located inside the telescopic outer tube (31) and outside the first inner tube (32). A first rubber sealing ring (34) is provided on the opposite side of the first limiting block (33). The first rubber sealing ring (34) is fixedly connected to the telescopic outer sleeve (31). A second inner sleeve (4) is slidably connected to the inner side of the first inner sleeve (32). A second limiting block (41) is provided inside the first inner sleeve (32) and outside the second inner sleeve (4). The second limiting block (41) is fixedly connected to the second inner sleeve (4). A second rubber sealing ring (42) is provided on the opposite side of (41). The second rubber sealing ring (42) is fixedly connected to the first inner sleeve (32). A third inner sleeve (5) is slidably connected to the inner side of the second inner sleeve (4). A third limiting block (51) is provided inside the second inner sleeve (4) and outside the third inner sleeve (5). The third limiting block (51) is fixedly connected to the third inner sleeve (5). A third limiting block (51) is provided on the opposite side of the second inner sleeve (4) and the third limiting block (51). The third rubber sealing ring (52) is fixedly connected to the second inner sleeve (4). The inner side of the third inner sleeve (5) is slidably connected to the fourth inner sleeve (6). A fourth limiting block (61) is provided inside the third inner sleeve (5) and outside the fourth inner sleeve (6). The fourth limiting block (61) is fixedly connected to the fourth inner sleeve (6). A fourth rubber sealing ring (62) is provided on the inner side of the third inner sleeve (5) and the opposite side of the fourth limiting block (61).
2. The pump-suction laser gas detector according to claim 1, characterized in that, A rubber sleeve (35) is fitted onto the outer side of the telescopic outer sleeve (31).
3. The pump-suction laser gas detector according to claim 1, characterized in that, Anti-slip textures are provided on the outer side of one end of the first inner sleeve (32), the second inner sleeve (4), the third inner sleeve (5), and the fourth inner sleeve (6).
4. The pump-suction laser gas detector according to claim 1, characterized in that, One end of the fourth inner sleeve (6) is threaded with a polytetrafluoroethylene extension hose (7).