CN111998984B - Air volume measuring device for civil air defense engineering - Google Patents
Air volume measuring device for civil air defense engineering Download PDFInfo
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- CN111998984B CN111998984B CN202010818777.4A CN202010818777A CN111998984B CN 111998984 B CN111998984 B CN 111998984B CN 202010818777 A CN202010818777 A CN 202010818777A CN 111998984 B CN111998984 B CN 111998984B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/024—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges with mechanical transmitting or indicating means
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Abstract
The invention discloses an air volume measuring device for civil air defense engineering, relates to the field of civil air defense engineering, and aims to solve the problems that an existing air volume meter in the prior art cannot adapt to different types of door openings, is complex to install and has high working strength. The utility model discloses a device for measuring the angle of a motor vehicle, including device measuring box, torque sensor shell, pivot, fixed disk, angle adjustment box, hinge, angle adjustment box and length expansion box, the internally mounted of device measuring box has the rotor plate, the internally mounted of rotor plate has the pivot, the torque sensor shell is installed to the top of rotor plate, the pivot extends to torque sensor shell inside and is connected with the torque sensor meshing through the gear, just the fixed disk is installed to the upper end of torque sensor shell, vibration frequency sensor is all installed to the inside both sides of fixed disk, the connection sliding plate is all installed to the both sides of device measuring box, the flexible box of length is installed to one side of connecting the sliding plate, the angle adjustment box is installed to one side of the flexible box of length, install the hinge between angle adjustment box and the flexible box of length, just the internally mounted of angle adjustment box has electronic jar.
Description
Technical Field
The invention relates to the technical field of civil air defense engineering, in particular to an air volume measuring device for civil air defense engineering.
Background
Civil air defense engineering also calls civil air defense workers, which refer to underground protective buildings independently built for guaranteeing personnel and material shielding, civil air defense commanding and medical aid in wartime and basements built by combining ground buildings and used for air defense in wartime, and the civil air defense engineering is an important facility for preventing enemy from attacking suddenly, effectively shielding personnel and materials and storing war potential; the civil air defense engineering can be divided into tunnel engineering, accumulation type engineering and excavation type engineering according to the construction form, the tunnel engineering is a buried excavation engineering with most of the main body ground lower than the lowest access and is built on the flat ground, the tunnel engineering is a buried excavation engineering with most of the main body ground higher than the lowest access and is built on the mountain land or the hilly land, and the accumulation type engineering is an engineering with most of the structure above the original surface and covered by backfill.
A ventilation air-conditioning system in the civil air defense project is closely related to the environment outside the project, a ventilation system needs to ensure the breathing requirement of workers in the project and the air quality of the project, fresh air needs to be introduced from the outside of the project, and dirty air is simultaneously removed, so that an exhaust system is communicated with the outside, an air gauge needs to be used in the air quantity detection process of the civil air defense project, the air gauge is connected with a conduction pipe, the air gauge is convenient to detect air, the air gauge and the conduction pipe need to be fixed in the connection process of the air gauge and the conduction pipe, the shape of doorways of the civil air defense project is different, the existing air gauge cannot adapt to doorways of different types, the installation is complex, and the working strength is high; therefore, the market urgently needs to develop an air quantity measuring device for civil air defense engineering to help people to solve the existing problems.
Disclosure of Invention
The invention aims to provide an air volume measuring device for civil air defense engineering, which aims to solve the problems that the existing air volume meter proposed in the background technology cannot adapt to different types of door openings, is complex to install and has high working strength.
In order to achieve the purpose, the invention provides the following technical scheme: an air volume measuring device for civil air defense engineering comprises a device measuring box, wherein a rotating plate is arranged inside the device measuring box, a rotating shaft is arranged inside the rotating plate, a torque sensor shell is arranged above the rotating plate, the rotating shaft extends into the torque sensor shell and is connected with a torque sensor through a gear in a meshing manner, a fixed disc is arranged at the upper end of the torque sensor shell, vibration frequency sensors are arranged on two sides inside the fixed disc, connecting sliding plates are arranged on two sides of the device measuring box, a length telescopic box is arranged on one side of each connecting sliding plate, an angle adjusting box is arranged on one side of each length telescopic box, a hinge is arranged between each angle adjusting box and each length telescopic box, an electric cylinder is arranged inside each angle adjusting box, and a threaded rod is arranged inside each length telescopic box, the length expansion box is internally provided with a first fixed plate, the connecting sliding plate extends to the inside of the length expansion box and is connected with the first fixed plate in a welding way, the threaded rod is connected with the first fixed plate in a threaded way, the rotating shaft is connected with the rotating plate in a welding way, the lower end of the torque sensor shell is provided with a bearing, the rotating shaft extends to the inside of the torque sensor shell and is connected with the torque sensor shell in a rotating way through the bearing, the rotating shaft penetrates through the torque sensor shell and extends to the inside of the fixed disc to be connected with the fixed disc in a rotating way through a shaft sleeve, connecting pieces are respectively arranged on two sides of the inside of the fixed disc, one side of each connecting piece is provided with a spring, the connecting pieces are respectively connected with the springs and the fixed disc in a welding way, one side of each spring is provided with a vibrating plate, the vibrating plate is connected with the springs in a welding way, and is fixedly connected with the vibration frequency sensor, an extension plate is installed at the upper end of the rotating shaft and is connected with the rotating shaft in a welding mode, and the length of the extension plate is larger than the distance between the vibrating plate and the rotating shaft.
Preferably, the inside that the case was measured to the device is provided with the air inlet chamber, the picture peg is installed to the rear end face that the case was measured to the device, connect buckle is all installed to the both sides of picture peg, connect buckle extends to inside jump ring and the picture peg fixed connection of passing through of picture peg, the picture peg passes through connect buckle and device measurement case block, just the limiting plate is installed to the upper end of picture peg, the picture peg passes through the limiting plate and measures the case gomphosis with the device, just the inside of picture peg is provided with the filter screen.
Preferably, the digital display screen is installed to the lower extreme that the case was measured to the device, digital display screen and device measurement case pass through fixed screw connection, just digital display screen and torque sensor shell electric connection, the connecting block is installed to one side of angle adjustment box, connecting block and angle adjustment box welded connection, just the location cardboard is installed to one side of connecting block, location cardboard and connecting block set up structure as an organic whole.
Preferably, the mounting panel is installed to the one end of connecting the sliding plate, mounting panel and connecting sliding plate welded connection, just the mounting panel extends to the device and measures incasement portion and device and measure the case and pass through fixed screw connection, the flexible box of length passes through hinge and angular adjustment box swing joint, the install bin is installed to the lower extreme of the flexible box of length, the install bin passes through fixed screw connection with the flexible box of length, just the internally mounted of install bin has step motor, step motor all installs the belt pulley with one side of threaded rod, and installs the hold-in range between two belt pulleys, just step motor passes through synchronous belt drive with the threaded rod and is connected.
Preferably, the outer surface of the connecting sliding plate is provided with a sliding chute, the connecting sliding plate is slidably connected with the length extension box through the sliding chute, both ends of the first fixing plate are slidably connected with the length extension box through guide rails, a sliding rod is mounted at the upper end of the first fixing plate, both ends of the sliding rod are fixedly connected with the length extension box, and the sliding rod penetrates through the connecting sliding plate and is slidably connected with the connecting sliding plate.
Preferably, the speaker is installed to the preceding terminal surface of angle adjustment box, the speaker imbeds inside and angle adjustment box fixed connection of angle adjustment box, just the internally mounted of angle adjustment box has the singlechip, the second fixed plate is installed to one side of singlechip, second fixed plate and angle adjustment box fixed connection, the engaging lug is all installed at the both ends of electronic jar, just the both ends of electronic jar are passed through the engaging lug respectively with length expansion box and second fixed plate swing joint.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the length telescopic box, when the wind power is measured by the installation device measuring box, the stepping motor can be started, the stepping motor drives the threaded rod to rotate, and the threaded rod drives the first fixing plate to transversely move in the length telescopic box, so that the connecting sliding plate can be extended, the whole length can be adjusted, and the device is suitable for civil air defense engineering entrances of different types.
2. According to the angle adjusting box, due to the arrangement of the angle adjusting box, if the condition of an irregular inlet occurs, the electric cylinder can be started to stretch out and draw back, so that the angle of the angle adjusting box can be adjusted, the angle and the position of the device measuring box can be adjusted at will in the installation process, the use is convenient, the practicability is high, the installation efficiency is effectively improved, and the work is convenient.
3. According to the invention, through the arrangement of the fixed disc, when the measuring box of the device is used, wind power penetrates through the filter screen and enters the air inlet cavity, the rotating plate can be driven to rotate, the rotating plate drives the rotating shaft to rotate, so that a torque sensor in the shell of the torque sensor can perform sensing work, the magnitude of a wind power value is measured, the vibrating plate can be collided through the rotation of the extension plate at the upper end of the rotating shaft, after the vibrating plate is stressed, the spring shakes, the vibration frequency sensor detects the shaking frequency, the wind power magnitude is judged according to the frequency magnitude, the structure is simple, and the measuring accuracy is improved.
Drawings
Fig. 1 is an overall front view of an air volume measuring device for civil air defense construction of the present invention;
FIG. 2 is an internal structural view of the length expansion box of the present invention;
FIG. 3 is an internal structural view of the angle adjusting box of the present invention;
FIG. 4 is a schematic structural diagram of the interposer of the present invention;
fig. 5 is an internal structure view of the fixed disk of the present invention.
In the figure: 1. a device measurement box; 2. connecting a sliding plate; 3. a chute; 4. mounting a plate; 5. inserting plates; 6. a limiting plate; 7. a filter screen; 8. an air inlet cavity; 9. a torque sensor housing; 10. a rotating plate; 11. a rotating shaft; 12. a digital display screen; 13. a length expansion box; 14. installing a box; 15. a hinge; 16. an angle adjusting box; 17. a speaker; 18. connecting blocks; 19. positioning a clamping plate; 20. a first fixing plate; 21. a stepping motor; 22. a threaded rod; 23. a synchronous belt; 24. a slide bar; 25. an electric cylinder; 26. a second fixing plate; 27. connecting lugs; 28. a single chip microcomputer; 29. connecting a buckle; 30. fixing the disc; 31. a bearing; 32. an extension plate; 33. a connecting member; 34. a spring; 35. a vibrating plate; 36. a vibration frequency sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: an air volume measuring device for civil air defense engineering comprises a device measuring box 1, a rotating plate 10 is arranged inside the device measuring box 1, a rotating shaft 11 is arranged inside the rotating plate 10, a torque sensor shell 9 is arranged above the rotating plate 10, the rotating shaft 11 extends into the torque sensor shell 9 and is connected with a torque sensor through a gear in a meshing way, a fixed disc 30 is arranged at the upper end of the torque sensor shell 9, vibration frequency sensors 36 are arranged on two sides inside the fixed disc 30, a connecting sliding plate 2 is arranged on two sides of the device measuring box 1, a length telescopic box 13 is arranged on one side of the connecting sliding plate 2, an angle adjusting box 16 is arranged on one side of the length telescopic box 13, a hinge 15 is arranged between the angle adjusting box 16 and the length telescopic box 13, an electric cylinder 25 is arranged inside the angle adjusting box 16, and a threaded rod 22 is arranged inside the length telescopic box 13, the length telescopic box 13 is internally provided with a first fixed plate 20, the connecting sliding plate 2 extends to the inside of the length telescopic box 13 and is welded with the first fixed plate 20, the threaded rod 22 is in threaded connection with the first fixed plate 20, the connecting sliding plate 2 extends, the whole length can be adjusted, so that the device is suitable for civil air defense engineering entrances of different types, the structure is simple, the stability is high, the practicability is high, the device is fixed through the connecting block 18 and the positioning clamping plate 19, the installation is convenient, the angle of the angle adjusting box 16 is adjusted, so that the angle and the position of the device measuring box 1 can be adjusted at will in the installation process, the rotating shaft 11 is welded with the rotating plate 10, the lower end of the torque sensor shell 9 is provided with a bearing 31, the rotating shaft 11 extends to the inside of the torque sensor shell 9 and is rotatably connected with the torque sensor shell 9 through the bearing 31, after wind power passes through the filter screen 7 and enters the air inlet cavity 8, the rotating plate 10 can be driven to rotate, the rotating plate 10 drives the rotating shaft 11 to rotate, so that the torque sensor in the torque sensor shell 9 performs sensing work, and the magnitude of a wind force value is measured, the torque sensor adopts a zy-cyb-803s torque sensor, the rotating shaft 11 penetrates through the torque sensor shell 9 and extends into the fixed disc 30 to be rotatably connected with the fixed disc 30 through a shaft sleeve, connecting pieces 33 are respectively installed on two sides of the interior of the fixed disc 30, a spring 34 is installed on one side of each connecting piece 33, the connecting pieces 33 are respectively connected with the spring 34 and the fixed disc 30 in a welding manner, a vibrating plate 35 is installed on one side of each spring 34, the vibrating plate 35 is connected with the spring 34 in a welding manner, the vibrating plate 35 is fixedly connected with a vibration frequency sensor 36, an extension plate 32 is installed on the upper end of the rotating shaft 11, the extension plate 32 is connected with the rotating shaft 11 in a welding manner, and the length of the extension plate 32 is greater than the distance between the vibrating plate 35 and the rotating shaft 11, the extension plate 32 of accessible pivot 11 upper end rotates collision vibration board 35, and vibration board 35 atress back, spring 34 shakes, and vibration frequency sensor 36 detects the shake frequency to judge wind-force size according to the frequency size, simple structure improves measurement accuracy, and vibration frequency sensor 36 adopts SW18010PPSU vibration frequency sensor.
Further, the inside of case 1 is measured to the device is provided with air inlet chamber 8, picture peg 5 is installed to the rear end face of case 1 is measured to the device, connect buckle 29 is all installed to picture peg 5's both sides, connect buckle 29 extends to 5 inside jump rings and 5 fixed connection of picture peg through the picture peg, picture peg 5 measures 1 block of case through connect buckle 29 and device, and the upper end of picture peg 5 installs limiting plate 6, picture peg 5 measures 1 gomphosis of case through limiting plate 6 and device, and the inside of picture peg 5 is provided with filter screen 7, can reduce debris through filter screen 7 and get into inside air inlet chamber 8, the influence measures accuracy nature.
Further, digital display screen 12 is installed to the lower extreme that the device was measured case 1, digital display screen 12 and device are measured case 1 and are passed through fixed screw connection, and digital display screen 12 and torque sensor shell 9 electric connection, connecting block 18 is installed to one side of angle adjustment box 16, connecting block 18 and 16 welded connection of angle adjustment box, and positioning clamping plate 19 is installed to one side of connecting block 18, positioning clamping plate 19 sets up structure as an organic whole with connecting block 18, show measured wind-force value size through digital display screen 12.
Further, a mounting plate 4 is installed at one end of the connecting sliding plate 2, the mounting plate 4 is welded with the connecting sliding plate 2, the mounting plate 4 extends into the device measuring box 1 and is connected with the device measuring box 1 through a fixing screw, a length expansion box 13 is movably connected with an angle adjusting box 16 through a hinge 15, a mounting box 14 is installed at the lower end of the length expansion box 13, the mounting box 14 is connected with the length expansion box 13 through a fixing screw, a stepping motor 21 is installed inside the mounting box 14, belt pulleys are installed on one sides of the stepping motor 21 and a threaded rod 22, a synchronous belt 23 is installed between the two belt pulleys, the stepping motor 21 is in transmission connection with the threaded rod 22 through the synchronous belt 23, the stepping motor 21 can be started, the stepping motor 21 drives the threaded rod 22 to rotate, the threaded rod 22 drives the first fixing plate 20 to transversely move inside the length expansion box 13, so as to extend the connecting sliding plate 2, the overall length can be adjusted.
Further, the surface of connecting sliding plate 2 is provided with spout 3, connect sliding plate 2 through spout 3 and the flexible box 13 sliding connection of length, the both ends of first fixed plate 20 all are through guide rail and the flexible box 13 sliding connection of length, and slide bar 24 is installed to the upper end of first fixed plate 20, the both ends of slide bar 24 all with the flexible box 13 fixed connection of length, and slide bar 24 passes and connects sliding plate 2 and be connected sliding plate 2 sliding connection, connect the extension of sliding plate 2, adjustable whole length, thereby adapt to the civil air defense engineering entry of different grade type, moreover, the steam generator is simple in structure.
Further, speaker 17 is installed to the preceding terminal surface of angle adjustment box 16, speaker 17 imbeds inside and angle adjustment box 16 fixed connection of angle adjustment box 16, and the internally mounted of angle adjustment box 16 has singlechip 28, second fixed plate 26 is installed to one side of singlechip 28, second fixed plate 26 and angle adjustment box 16 fixed connection, engaging lug 27 is all installed at electric jar 25's both ends, and electric jar 25's both ends pass through engaging lug 27 respectively with the flexible box 13 of length and the flexible box 26 swing joint of second fixed plate, if the condition of irregular entry appears, the accessible starts electric jar 25, electric jar 25 is flexible, thereby the angle of adjustable angle adjustment box 16.
The working principle is as follows: when the device is used, when the installation device measuring box 1 is used for measuring wind power, the stepping motor 21 can be started, the stepping motor 21 drives the threaded rod 22 to rotate, the threaded rod 22 drives the first fixing plate 20 to transversely move in the length telescopic box 13, so that the connecting sliding plate 2 can be extended, the integral length can be adjusted, the device is suitable for civil air defense engineering inlets of different types, the structure is simple, the stability is high, the practicability is high, if the irregular inlets occur, the angle of the box 16 can be adjusted by starting the electric cylinder 25 and extending and retracting the electric cylinder 25, so that the angle of the device measuring box 1 can be adjusted at will in the installation process, the use is convenient, the practicability is high, the installation efficiency is effectively improved, after the wind power passes through the filter screen 7 and enters the air inlet cavity 8, the rotating plate 10 can be driven to rotate, and the rotating plate 10 drives the rotating shaft 11 to rotate, thereby make the torque sensor of torque sensor shell 9 inside carry out induction work, survey wind force value size, and the extension plate 32 rotation of accessible pivot 11 upper end collides vibration board 35, and vibration board 35 atress back, spring 34 shakes, and vibration frequency sensor 36 detects the shake frequency to judge wind-force size according to the frequency size, simple structure improves measurement accuracy.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an air volume measuring device for civil air defense engineering, includes that the device measures case (1), its characterized in that: the device comprises a device measuring box (1) and is characterized in that a rotating plate (10) is mounted inside the device measuring box (1), a rotating shaft (11) is mounted inside the rotating plate (10), a torque sensor shell (9) is mounted above the rotating plate (10), the rotating shaft (11) extends to the inside of the torque sensor shell (9) and is connected with a torque sensor through a gear in a meshed mode, a fixed plate (30) is mounted at the upper end of the torque sensor shell (9), vibration frequency sensors (36) are mounted on two sides of the inside of the fixed plate (30), connecting sliding plates (2) are mounted on two sides of the device measuring box (1), a length stretching box (13) is mounted on one side of each connecting sliding plate (2), an angle adjusting box (16) is mounted on one side of each length stretching box (13), and a hinge (15) is mounted between each angle adjusting box (16) and each length stretching box (13), an electric cylinder (25) is arranged inside the angle adjusting box (16), a threaded rod (22) is arranged inside the length telescopic box (13), a first fixing plate (20) is arranged inside the length telescopic box (13), the connecting sliding plate (2) extends to the inside of the length telescopic box (13) and is welded with the first fixing plate (20), the threaded rod (22) is in threaded connection with the first fixing plate (20), a bearing (31) is arranged at the lower end of the torque sensor shell (9), the rotating shaft (11) is welded with the rotating plate (10), the rotating shaft (11) extends to the inside of the torque sensor shell (9) and is rotatably connected with the torque sensor shell (9) through the bearing (31), and the rotating shaft (11) penetrates through the torque sensor shell (9) and extends to the inside of the fixed plate (30) and is rotatably connected with the fixed plate (30) through a shaft sleeve, connecting piece (33) are all installed to the inside both sides of fixed disk (30), spring (34) are installed to one side of connecting piece (33), just connecting piece (33) respectively with spring (34) and fixed disk (30) welded connection, vibration board (35) are installed to one side of spring (34), vibration board (35) and spring (34) welded connection, just vibration board (35) and vibration frequency sensor (36) fixed connection, extension board (32) are installed to the upper end of pivot (11), extension board (32) and pivot (11) welded connection, just the length of extension board (32) is greater than the interval between vibration board (35) and pivot (11).
2. The air volume measuring device for civil air defense engineering according to claim 1, characterized in that: the utility model discloses a device, including picture peg (5), connection buckle (29), limiting plate (6), the inside of device measurement case (1) is provided with air inlet chamber (8), picture peg (5) are installed to the rear end face of device measurement case (1), connection buckle (29) are all installed to the both sides of picture peg (5), connection buckle (29) extend to picture peg (5) inside through jump ring and picture peg (5) fixed connection, picture peg (5) are through connection buckle (29) and device measurement case (1) block, just limiting plate (6) are installed to the upper end of picture peg (5), picture peg (5) are through limiting plate (6) and device measurement case (1) gomphosis, just the inside of picture peg (5) is provided with filter screen (7).
3. The air volume measuring device for civil air defense engineering according to claim 1, characterized in that: digital display screen (12) are installed to the lower extreme of device measurement case (1), digital display screen (12) and device measurement case (1) are through fixed screw connection, just digital display screen (12) and torque sensor shell (9) electric connection, connecting block (18) are installed to one side of angle adjustment box (16), connecting block (18) and angle adjustment box (16) welded connection, just location cardboard (19) are installed to one side of connecting block (18), location cardboard (19) set up structure as an organic whole with connecting block (18).
4. The air volume measuring device for civil air defense engineering according to claim 1, characterized in that: one end of the connecting sliding plate (2) is provided with a mounting plate (4), the mounting plate (4) is welded with the connecting sliding plate (2), the mounting plate (4) extends into the device measuring box (1) and is connected with the device measuring box (1) through a fixing screw, the length telescopic box (13) is movably connected with the angle adjusting box (16) through a hinge (15), the lower end of the length telescopic box (13) is provided with an installation box (14), the installation box (14) is connected with the length telescopic box (13) through a fixing screw, a stepping motor (21) is arranged in the installation box (14), belt pulleys are arranged on one sides of the stepping motor (21) and the threaded rod (22), and install hold-in range (23) between two belt pulleys, just step motor (21) are passed through hold-in range (23) transmission with threaded rod (22) and are connected.
5. The air volume measuring device for civil air defense engineering according to claim 1, characterized in that: the outer surface of the connecting sliding plate (2) is provided with a sliding groove (3), the connecting sliding plate (2) is in sliding connection with a length telescopic box (13) through the sliding groove (3), two ends of the first fixing plate (20) are in sliding connection with the length telescopic box (13) through guide rails, a sliding rod (24) is installed at the upper end of the first fixing plate (20), two ends of the sliding rod (24) are fixedly connected with the length telescopic box (13), and the sliding rod (24) penetrates through the connecting sliding plate (2) and is in sliding connection with the connecting sliding plate (2).
6. The air volume measuring device for civil air defense engineering according to claim 1, characterized in that: speaker (17) are installed to the preceding terminal surface of angle adjustment box (16), speaker (17) embedding angle adjustment box (16) is inside and angle adjustment box (16) fixed connection, just the internally mounted of angle adjustment box (16) has singlechip (28), second fixed plate (26) are installed to one side of singlechip (28), second fixed plate (26) and angle adjustment box (16) fixed connection, engaging lug (27) are all installed at the both ends of electronic jar (25), just the both ends of electronic jar (25) are passed through engaging lug (27) respectively with length telescopic box (13) and second fixed plate (26) swing joint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010818777.4A CN111998984B (en) | 2020-08-14 | 2020-08-14 | Air volume measuring device for civil air defense engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818777.4A CN111998984B (en) | 2020-08-14 | 2020-08-14 | Air volume measuring device for civil air defense engineering |
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| CN111998984A CN111998984A (en) | 2020-11-27 |
| CN111998984B true CN111998984B (en) | 2021-11-30 |
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| CN112504438B (en) * | 2020-12-03 | 2022-10-18 | 河北新武安钢铁集团烘熔钢铁有限公司 | Railway dust removal and under-groove dust removal early warning device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614547A (en) * | 2015-01-12 | 2015-05-13 | 中国矿业大学 | Online monitor system of coal mine air shaft ventilation flow rate |
| CN108007521A (en) * | 2018-01-02 | 2018-05-08 | 泰华智慧产业集团股份有限公司 | A kind of split type inspection shaft flowmeter stent and its application method |
| CN207866318U (en) * | 2018-01-08 | 2018-09-14 | 江西韵凯人防设备有限责任公司 | A kind of civil air defense constructions and installations apparatus for measuring air quantity |
| CN208621114U (en) * | 2018-05-11 | 2019-03-19 | 福建省圣新能源股份有限公司 | Boiler Air Measuring device mounting structure |
| CN208937606U (en) * | 2018-12-01 | 2019-06-04 | 海南人防工程咨询有限公司 | A kind of apparatus for measuring air quantity of civil air defense constructions and installations installation |
| CN209524964U (en) * | 2019-04-04 | 2019-10-22 | 合肥精大仪表股份有限公司 | A kind of intelligent flow meter |
| CN210291226U (en) * | 2019-07-22 | 2020-04-10 | 河南省鼎盛建设工程检测有限公司 | Detection device's adjustment mechanism for civil air defense function |
| CN111486905A (en) * | 2020-05-27 | 2020-08-04 | 江苏百时得计量设备有限公司 | Torque flow meter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070060039A1 (en) * | 2005-09-13 | 2007-03-15 | Cook Matthew D | Arrangement and method to sense flow using mechanical stress microsensors |
-
2020
- 2020-08-14 CN CN202010818777.4A patent/CN111998984B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614547A (en) * | 2015-01-12 | 2015-05-13 | 中国矿业大学 | Online monitor system of coal mine air shaft ventilation flow rate |
| CN108007521A (en) * | 2018-01-02 | 2018-05-08 | 泰华智慧产业集团股份有限公司 | A kind of split type inspection shaft flowmeter stent and its application method |
| CN207866318U (en) * | 2018-01-08 | 2018-09-14 | 江西韵凯人防设备有限责任公司 | A kind of civil air defense constructions and installations apparatus for measuring air quantity |
| CN208621114U (en) * | 2018-05-11 | 2019-03-19 | 福建省圣新能源股份有限公司 | Boiler Air Measuring device mounting structure |
| CN208937606U (en) * | 2018-12-01 | 2019-06-04 | 海南人防工程咨询有限公司 | A kind of apparatus for measuring air quantity of civil air defense constructions and installations installation |
| CN209524964U (en) * | 2019-04-04 | 2019-10-22 | 合肥精大仪表股份有限公司 | A kind of intelligent flow meter |
| CN210291226U (en) * | 2019-07-22 | 2020-04-10 | 河南省鼎盛建设工程检测有限公司 | Detection device's adjustment mechanism for civil air defense function |
| CN111486905A (en) * | 2020-05-27 | 2020-08-04 | 江苏百时得计量设备有限公司 | Torque flow meter |
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| CN111998984A (en) | 2020-11-27 |
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