Closed gas sampling monitoring device
By setting up a closed gas sampling and monitoring device with a gas storage area and a transparent installation area inside the monitoring vehicle, the problem of low accuracy in open monitoring is solved, and high-precision gas composition analysis and flexible monitoring capabilities are achieved.
Patent Information
- Application Number
- CN202520221660.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing mobile gas monitoring devices are open-type, resulting in low accuracy of monitoring results and an inability to accurately determine the concentration of harmful gases in coal mine roadways.
A closed-loop gas sampling and monitoring device is designed. By setting up a gas storage area and a transparent installation area inside the monitoring vehicle, the gas analyzer's detection probe is located in the gas storage area to analyze the gas composition. The device is also equipped with a filter assembly and a purification and emission mechanism to achieve closed-loop gas sampling and accurate analysis.
It improves the accuracy of gas monitoring results and enhances the flexibility of the device, enabling gas sampling and monitoring at different locations without moving the monitoring vehicle, and is suitable for monitoring narrow alleyways.
Smart Images

Figure CN223611480U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas monitoring technical field especially relates to a closed type gas taking monitoring device. BACKGROUND
[0002] The main purpose of coal mine roadway gas monitoring is to master the composition and concentration of gas in the roadway in real time, especially the concentration of harmful gases such as carbon monoxide (CO) and methane (CH4), and oxygen (O2), to ensure the safety of miners and the normal production of coal mines.
[0003] The monitoring technology in the prior art is divided into mobile monitoring devices and fixed monitoring devices. For mobile monitoring devices, most of them are in the form of open type gas taking monitoring, that is, a trolley equipped with a gas analyzer is pushed to the monitoring position for monitoring. The open type monitoring cannot guarantee the accuracy of the monitoring results, resulting in low accuracy of the gas monitoring results. Therefore, the utility model provides a closed type gas taking monitoring device to solve the problems in the prior art. UTILITY MODEL CONTENT
[0004] In view of the above problems, the utility model aims to provide a closed type gas taking monitoring device. By arranging a gas storage area and a transparent mounting area in the monitoring vehicle, the detection probe of the gas analyzer in the transparent mounting area is located in the gas storage area, so that the gas to be monitored can be introduced into the closed gas storage area for composition analysis and other operations. The closed type gas taking monitoring is beneficial to improving the accuracy of the monitoring results.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] A closed type gas taking monitoring device, comprising a monitoring vehicle, a position moving mechanism, a moving rod, a gas taking cover and a gas analyzer, a side of the monitoring vehicle is internally provided with an equipment room, a side of the equipment room is internally provided with a first chamber and a second chamber, the first chamber is internally provided with the position moving mechanism, an upper side of the monitoring vehicle is provided with the moving rod, one end of the moving rod is connected with the position moving mechanism, the other end of the moving rod is provided with the gas taking cover, the gas taking cover is internally provided with a filter assembly, a gas taking hard pipe is installed on the top of the moving rod, one end of the gas taking hard pipe is connected with the gas taking cover, the other end of the gas taking hard pipe is connected with a hose in an upper side, the equipment room is internally provided with a first air suction pump, one end of the hose is connected with an inlet end of the first air suction pump, the second chamber is internally provided with a gas storage area and a transparent mounting area, an outlet end of the first air suction pump is connected with the gas storage area, the transparent mounting area is internally provided with the gas analyzer, and a detection probe of the gas analyzer is located in the gas storage area.
[0007] Further improvement lies in that the position moving mechanism comprises a linear screw rod, a through slot and a moving connecting base, the linear screw rod is arranged inside the first chamber to rotate, the through slot is arranged in the top of the monitoring vehicle and communicates with the first chamber, the moving connecting base is movably arranged in the through slot, the moving connecting base is threadedly connected with the linear screw rod, the bottom of the moving connecting base is slidably connected with the lower portion of the first chamber, and the top of the moving connecting base is connected with the lower portion of one end of the moving rod.
[0008] Further improvement lies in that the filtering assembly comprises a first filter screen plate, a second filter screen plate and a third filter screen plate, and the filter hole diameters of the first filter screen plate, the second filter screen plate and the third filter screen plate decrease successively.
[0009] Further improvement lies in that the third chamber is arranged inside the monitoring vehicle below the second chamber, the purifying and discharging mechanism is arranged in the third chamber, the purifying and discharging mechanism comprises a purifying chamber and a second air suction pump, the purifying chamber is arranged in the third chamber, the second air suction pump is arranged in the third chamber at one side of the purifying chamber, the inlet end of the second air suction pump is connected with the gas storage area, the outlet end of the second air suction pump is connected with the purifying chamber, and the discharging pipe extending out of the side wall of the monitoring vehicle is arranged at one side of the purifying chamber.
[0010] Further improvement lies in that the canopy is arranged on the top of the monitoring vehicle, the length of the canopy is adapted to the length of the monitoring vehicle, and the length of the canopy is greater than the length of the moving rod.
[0011] Further improvement lies in that the end shock avoiding piece is arranged at one end of the moving rod near the gas taking cover, the end shock avoiding piece comprises springs and a shock avoiding plate, the springs are arranged at one end of the moving rod, at least two groups of the springs are arranged, and the shock avoiding plate is arranged at one end of the plurality of groups of the springs.
[0012] The utility model discloses a gas taking and monitoring device, which comprises a monitoring vehicle, a gas taking cover, a filtering assembly, a gas storage area, a transparent installation area, a position moving mechanism and a moving rod.
[0013] The utility model discloses a gas taking and monitoring device, which comprises a monitoring vehicle, a gas taking cover, a filtering assembly, a gas storage area, a transparent installation area, a position moving mechanism and a moving rod.
[0014] The utility model discloses a gas taking and monitoring device, which comprises a monitoring vehicle, a gas taking cover, a filtering assembly, a gas storage area, a transparent installation area, a position moving mechanism and a moving rod. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structure perspective view of the utility model;
[0016] Fig. 2 It is a structure main view of the utility model;
[0017] Fig. 3 It is a structure perspective view of the utility model filter assembly.
[0018] Wherein: 1, monitoring vehicle;2, moving rod;3, take gas cover;4, gas analyzer;5, equipment room;6, first chamber;7, second chamber;8, filter assembly;801, first filter screen;802, second filter screen;803, third filter screen;9, take gas hard tube;10, hose;11, first air suction pump;12, gas storage area;13, transparent installation area;14, straight line screw;15, through slot;16, moving connection seat;17, third chamber;18, purification chamber;19, second air suction pump;20, discharge pipe;21, shed cover;22, spring;23, shock absorbing plate. DETAILED DESCRIPTION
[0019] In order to deepen the understanding of the utility model, the utility model will be further described in the following embodiment, and the embodiment is only used to explain the utility model, and does not constitute the limitation of the protection scope of the utility model.
[0020] According to Figs. 1-3 As shown in the utility model structure perspective view, the utility model discloses a closed type take gas monitoring device, a closed type take gas monitoring device, including monitoring vehicle 1, position moving mechanism, moving rod 2, take gas cover 3 and gas analyzer 4, the inside of monitoring vehicle 1 is equipped with equipment room 5 on one side, the inside of monitoring vehicle 1 is equipped with first chamber 6 and second chamber 7 on the side of equipment room 5, the inside of first chamber 6 is equipped with position moving mechanism, the top of monitoring vehicle 1 is equipped with moving rod 2, the lower end of one end of moving rod 2 is connected with position moving mechanism, the upper end of the other end of moving rod 2 is equipped with take gas cover 3, take gas cover 3 is equipped with filter assembly 8 in, the top of moving rod 2 is equipped with take gas hard tube 9, one end of take gas hard tube 9 is connected with take gas cover 3, the upper end of the other end of take gas hard tube 9 is connected with hose 10, the inside of equipment room 5 is equipped with first air suction pump 11, one end of hose 10 is connected with the inlet end of first air suction pump 11, the inside of second chamber 7 is equipped with gas storage area 12 and transparent installation area 13, the outlet end of first air suction pump 11 is connected with gas storage area 12, gas analyzer 4 is arranged in transparent installation area 13, and the detection probe of gas analyzer 4 is located in gas storage area 12.
[0021] The closed type gas taking monitoring device can also realize gas taking monitoring in narrow and small roadways (positions where the monitoring vehicle 1 cannot enter), by moving the monitoring vehicle 1 to a specified position, then moving the moving rod 2 out of the top of the monitoring vehicle 1 through the position moving mechanism, so that the gas taking cover 3 at one end of the moving rod 2 is moved into the narrow and small roadway to take gas for monitoring.
[0022] The position moving mechanism comprises a linear screw rod 14, a through slot 15 and a moving connecting seat 16, the linear screw rod 14 is rotatably arranged in the first chamber 6, the top of the monitoring vehicle 1 is provided with the through slot 15 which is in communication with the first chamber 6, the moving connecting seat 16 is movably arranged in the through slot 15, the moving connecting seat 16 is threadedly connected with the linear screw rod 14, and the bottom of the moving connecting seat 16 is slidably connected with the inside of the first chamber 6, and the top of the moving connecting seat 16 is connected with the lower side of one end of the moving rod 2.
[0023] The filter assembly 8 comprises a first filter screen plate 801, a second filter screen plate 802 and a third filter screen plate 803, and the filter hole diameters of the first filter screen plate 801, the second filter screen plate 802 and the third filter screen plate 803 decrease successively.
[0024] The inside of the monitoring vehicle 1 below the second chamber 7 is provided with a third chamber 17, the third chamber 17 is provided with a purification and discharge mechanism, the purification and discharge mechanism comprises a purification chamber 18 and a second air suction pump 19, the third chamber 17 is provided with the purification chamber 18, the third chamber 17 on one side of the purification chamber 18 is provided with the second air suction pump 19, the inlet end of the second air suction pump 19 is connected with the gas storage area 12, the outlet end of the second air suction pump 19 is connected with the purification chamber 18, and the purification chamber 18 is provided with a discharge pipe 20 extending out of the side wall of the monitoring vehicle 1.
[0025] The top of the monitoring vehicle 1 is provided with a shed cover 21, the length of the shed cover 21 is matched with the length of the monitoring vehicle 1, and the length of the shed cover 21 is greater than the length of the moving rod 2. By arranging the shed cover 21, the moving rod 2 can be protected after being moved to the top of the monitoring vehicle 1.
[0026] The end of the moving rod 2 near the gas taking cover 3 is provided with an end shock-absorbing piece, the end shock-absorbing piece comprises springs 22 and shock-absorbing plates 23, the end of the moving rod 2 is provided with the springs 22, the springs 22 are provided with at least two groups, and the ends of the multiple groups of springs 22 are provided with the shock-absorbing plates 23. By arranging the end shock-absorbing piece, the moving rod 2 can be protected from shock during movement, the monitoring vehicle 1 can be prevented from being overturned due to the end of the moving rod 2 hitting the roadway wall, and the impact damage of collision to the gas analyzer 4 and other equipment can be reduced.
[0027] The utility model discloses a gas taking monitoring device which comprises a monitoring vehicle 1, a gas taking cover 3, a gas analyzer 4 and a moving rod 2. The utility model discloses the inside of the monitoring vehicle 1 is provided with a gas storage area 12 and a transparent installation area 13, the detection probe of the gas analyzer 4 in the transparent installation area 13 is located in the gas storage area 12, the gas to be monitored can be introduced into the closed gas storage area 12 for composition analysis and other operations, and the closed gas taking monitoring is favorable for improving the accuracy of monitoring results. The utility model discloses the moving rod is connected and installed with the position moving mechanism, the moving rod can be driven to move through the position moving mechanism, the gas taking monitoring at different positions can be realized by controlling the end of the moving rod to move out of the top of the monitoring vehicle 1 without moving the monitoring vehicle 1, and the use flexibility of the gas taking monitoring device is improved.
[0028] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, various changes and improvements can be made to the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. An enclosed air sampling monitoring device, characterized by: The utility model provides a kind of gas monitoring vehicle, including monitoring car (1), position moving mechanism, moving pole (2), gas taking cover (3) and gas analyzer (4), the inside of the monitoring car (1) is equipped with the equipment room (5) with one side, the inside of the monitoring car (1) is equipped with first chamber (6) and second chamber (7) in the equipment room (5) one side, the inside of the first chamber (6) is equipped with position moving mechanism, the moving pole (2) is equipped above the monitoring car (1), the moving pole (2) one end below is connected with position moving mechanism, the moving pole (2) other end upper end is equipped with gas taking cover (3), the filter assembly (8) is equipped in the gas taking cover (3), the gas taking hard pipe (9) is installed on the moving pole (2) top, the gas taking hard pipe (9) one end is connected with gas taking cover (3), the gas taking hard pipe (9) other end upper end is connected with hose (10), the inside of the equipment room (5) is equipped with first suction pump (11), the inlet end of first suction pump (11) is connected with the one end of hose (10), the inside of the second chamber (7) is equipped with gas storage area (12) and transparent installation area (13), the outlet end of first suction pump (11) is connected with gas storage area (12), the gas analyzer (4) is equipped in the transparent installation area (13), and the detection probe of the gas analyzer (4) is located in the gas storage area (12).
2. A closed-circuit gas monitoring apparatus according to claim 1, wherein: The position moving mechanism includes linear lead screw (14), through slot (15) and moving connecting seat (16), the inside of the first chamber (6) is rotatably provided with linear lead screw (14), the top of the monitoring car (1) is provided with through slot (15) in communication with the first chamber (6), the moving connecting seat (16) is movably arranged in the through slot (15), the moving connecting seat (16) is threadedly connected with the linear lead screw (14), and the bottom of the moving connecting seat (16) is slidably connected with the inside of the first chamber (6) below, and the top of the moving connecting seat (16) is connected with the one end of the moving pole (2) below.
3. The enclosed gas sampling monitoring device of claim 1, wherein: The filter assembly (8) includes first filter screen (801), second filter screen (802) and third filter screen (803), and the filter pore sizes of the first filter screen (801), the second filter screen (802) and the third filter screen (803) decrease in order.
4. The enclosed gas sampling monitoring device of claim 1, wherein: The inside of the monitoring car (1) below the second chamber (7) is equipped with third chamber (17), the third chamber (17) is equipped with purification and discharge mechanism, the purification and discharge mechanism includes purification chamber (18) and second suction pump (19), the third chamber (17) is equipped with purification chamber (18), the second suction pump (19) is equipped in the third chamber (17) on one side of the purification chamber (18), the inlet end of the second suction pump (19) is connected with the gas storage area (12), and the outlet end of the second suction pump (19) is connected with the purification chamber (18), and the purification chamber (18) is equipped with discharge pipe (20) extending out of the side wall of the monitoring car (1) on one side.
5. The enclosed gas sampling monitoring device of claim 1, wherein: The top of the monitoring car (1) is equipped with shed cover (21), the length of the shed cover (21) is adapted to the length of the monitoring car (1), and the length of the shed cover (21) is greater than the length of the moving pole (2).
6. The enclosed gas sampling monitoring device of claim 1, wherein: The end of the moving rod (2) near the air taking cover (3) is provided with an end shock avoiding part, which comprises a spring (22) and a shock avoiding plate (23). The end of the moving rod (2) is provided with the spring (22), and the spring (22) is provided with at least two groups. The end of the multiple groups of the spring (22) is provided with the shock avoiding plate (23).