CN112729977A - Chemical industry enterprise safety ring protects gaseous sampling device - Google Patents
Chemical industry enterprise safety ring protects gaseous sampling device Download PDFInfo
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- CN112729977A CN112729977A CN202011580042.9A CN202011580042A CN112729977A CN 112729977 A CN112729977 A CN 112729977A CN 202011580042 A CN202011580042 A CN 202011580042A CN 112729977 A CN112729977 A CN 112729977A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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Abstract
The invention discloses a safe and environment-friendly gas sampling device for chemical enterprises, which comprises: the main body comprises a machine body, a plurality of push rods, a plurality of gas collecting pipes and a plurality of sampling pipes, wherein an installation cavity is formed in the machine body, the push rods are positioned in the installation cavity, a plurality of installation openings communicated with the installation cavity are formed in the left side wall and the right side wall of the machine body, the gas collecting pipes are fixedly installed in the installation openings respectively, and the push rods are inserted in the gas collecting pipes in a sealing mode respectively; the driving device comprises a motor, a reciprocating screw rod, a sliding block, a first bevel gear and a plurality of second bevel gears, and the first bevel gear is in meshed connection with the second bevel gears. The invention can carry out sampling for multiple times in the same time, improves the sampling efficiency, prepares a plurality of sampling gases which can be compared for later-stage gas inspection, ensures the accuracy of the detection result, and can avoid the problem that the personal safety can not be guaranteed when dangerous gas is sampled.
Description
Technical Field
The invention relates to the technical field of safe and environment-friendly gas sampling, in particular to a safe and environment-friendly gas sampling device for chemical enterprises.
Background
In the gas sampling device, whether constant-speed sampling (equal-power sampling) is required or not in the sampling process of the particulate matters, dust particles, boiler smoke dust, pipeline dust, particulate matters and other aerosol particles in environmental monitoring is always carried out, relevant technicians in the field have not unified knowledge, and part of scholars propose that because technicians in the industry generally think whether the influence of constant-speed sampling on the particles with the size less than or equal to 0.5 mu is negligible, for the examples, errors generated by unequal-power sampling are generally ignored, the constant-speed sampling can not be adopted, the other scholars insist that a method of constant-speed sampling is required if the test result is accurate according to theoretical calculation and experiments of the scholars, and the gas sampling instrument is a conventional instrument for collecting gas samples in the atmospheric environment or the working environment, when gas detection is performed, for example, when atmospheric composition detection, gas detection in coal mines, and toxic gas detection in automobile painting workshops are performed, a gas sampler is often used to sample environmental gas, and then the gas to be detected obtained by sampling is injected into a professional analyzer for analysis.
But current gas sampling device has artifical manual taking a sample and leads to the efficiency lower, and the same time can only be extracted once to gaseous detection's in-process does not have a plurality of sampling gas that can contrast, leads to gaseous detection's result not accurate, may have certain potential safety hazard when taking a sample to dangerous gas moreover, and personal safety can not obtain the guarantee.
Disclosure of Invention
The invention aims to solve the following defects in the prior art, the prior gas sampling device has low efficiency caused by manual sampling, and can only extract once at the same time, so that a plurality of sampling gases which can be compared are not available in the gas detection process, the gas detection result is inaccurate, certain potential safety hazards can exist during sampling of dangerous gases, and the personal safety cannot be guaranteed.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a chemical industry enterprise safety ring protects gaseous sampling device, includes:
the main body comprises a machine body, a plurality of push rods, a plurality of gas collecting pipes and a plurality of sampling pipes, an installation cavity is arranged in the machine body, the push rods are positioned in the installation cavity, the left side wall and the right side wall of the machine body are provided with a plurality of mounting openings communicated with the mounting cavities, a plurality of gas collecting pipes are respectively and fixedly mounted in the mounting openings, a plurality of push rods are respectively and hermetically inserted in the gas collecting pipes, a plurality of sampling pipes are respectively and fixedly connected with the left side wall and the right side wall of the machine body, one end of the gas collecting pipe, which is positioned outside the machine body, is communicated with the outside through a gas inlet pipe, a one-way valve is arranged in the gas inlet pipe, the one-way valve ensures that external gas can only enter the gas collecting pipe from the one-way valve, the gas collecting pipe is communicated with the sampling pipe through the exhaust pipe, the exhaust pipe is internally provided with a one-way valve which ensures that the gas in the gas collecting pipe can only enter the sampling pipe from the one-way valve;
drive arrangement, drive arrangement includes motor, many reciprocal lead screws, a plurality of slider, first bevel gear and a plurality of second bevel gear, motor fixed mounting is in the installation cavity, many reciprocal lead screw is connected with the cavity wall rotation about the installation cavity respectively, and is a plurality of the slider is fixed cup jointing respectively on many reciprocal lead screws, and is many the push rod is the one side fixed connection who keeps away from each other with a plurality of sliders respectively, first bevel gear is fixed to be cup jointed on the output shaft of motor, and is a plurality of second bevel gear is fixed cup jointing respectively on many reciprocal lead screws, first bevel gear is connected with a plurality of second bevel gear meshing.
Preferably, sampling pipe one end fixed mounting has locking mechanism, a plurality of mounting grooves have all been seted up to the lateral wall about the organism, fixed mounting has the latch mechanism who cooperatees and use with locking mechanism in the mounting groove.
Preferably, the clamping mechanism includes first joint piece, the joint groove has been seted up to the face that first joint piece is close to the mounting groove tank bottom, joint inslot diapire center department fixed mounting has the slide bar, slidable mounting has second joint piece on the slide bar, many the one end surface that the spring beam is close to each other all with first joint piece surface sliding contact.
Preferably, locking mechanism includes the installation piece, installation piece surface and sampling pipe one end fixed connection, the one end fixed mounting that the sampling pipe was kept away from to the installation piece has hollow section of thick bamboo, hollow section of thick bamboo inner wall is equipped with a plurality of spring levers.
Preferably, a sealing ring is fixedly installed at one end of the push rod in the gas collecting pipe, the outer ring of the sealing ring is in sliding sealing contact with the inner wall of the gas collecting pipe, and the sealing ring is made of rubber.
Preferably, a plurality of spherical grooves are formed in the inner wall of the second clamping block, balls are embedded in the spherical grooves in a rolling mode, a plurality of limiting grooves are formed in the surface of the sliding rod, and the balls are in rolling contact with the walls of the limiting grooves.
Preferably, tank bottom fixed mounting has first magnet in the mounting groove, the one side fixed mounting that the second joint piece is close to first magnet has polylith second magnet, first magnet is opposite with the one side magnetic pole that the second magnet is close to each other.
Preferably, the wall of the left cavity and the right cavity of the installation cavity is provided with a rotating groove, the reciprocating screw rods are fixedly sleeved with bearings, and outer rings of the bearings are fixedly connected with the wall of the rotating groove.
Preferably, the hollow longitudinal section length of the hollow cylinder should be greater than the longitudinal section length of the clamping mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. when carrying out sampling work to gas, the staff at first can put into the place that needs the collection with the organism, then take place to rotate through many reciprocating screw rods of starter motor control, the slider that the screw thread cover was established at many reciprocating screw rods this moment just can take the work that many push rods together sampled, can carry out a lot of samplings in the same time, the efficiency of sampling has been improved, and a plurality of sampling gas that can contrast have still been prepared for later stage gas inspection, the accuracy of testing result has been guaranteed, and the personal safety can not get the problem of guarantee when can also avoiding sampling hazardous gas.
2. In order to achieve working stability, the sampling tube and the machine body are generally fixedly connected through fixing parts such as screws and nuts, so that the working process of installation and disassembly is complicated.
Drawings
Fig. 1 is a schematic front structural view of a chemical industry enterprise safety and environmental protection gas sampling device provided by the invention;
FIG. 2 is a schematic structural diagram of a clamping mechanism and a locking mechanism of the safe and environment-friendly gas sampling device for chemical enterprises according to the present invention;
FIG. 3 is a schematic structural diagram of a clamping mechanism of a chemical industry enterprise safety and environmental protection gas sampling device according to the present invention, which is clamped with a locking mechanism in a contacting manner;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
FIG. 5 is an enlarged view of B in FIG. 1;
fig. 6 is an enlarged schematic view of C in fig. 1.
In the figure: the device comprises a machine body 1, a push rod 2, a gas collecting pipe 3, a sampling pipe 4, a mounting cavity 5, an air inlet pipe 6, an air outlet pipe 7, a motor 8, a reciprocating screw rod 9, a sliding block 10, a first bevel gear 11, a second bevel gear 12, a mounting groove 13, a mounting block 14, a hollow cylinder 15, a spring rod 16, a first clamping block 17, a clamping groove 18, a sliding rod 19, a second clamping block 20, a sealing ring 21, a spherical groove 22, a spherical groove 23, a spherical ball 24, a limiting groove 25, a first magnet 26, a second magnet 27, a rotating groove 27 and a bearing 28.
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. 1-6, a chemical industry enterprise safety environmental protection gas sampling device includes:
a main body which comprises a machine body 1 and a plurality of push rods 2, the gas collection device comprises a plurality of gas collection pipes 3 and a plurality of sampling pipes 4, wherein a mounting cavity 5 is formed in a machine body 1, a plurality of push rods 2 are positioned in the mounting cavity 5, mounting openings communicated with the mounting cavities 5 are formed in the left side wall and the right side wall of the machine body 1, the gas collection pipes 3 are fixedly mounted in the mounting openings respectively, the push rods 2 are inserted in the gas collection pipes 3 in a sealing manner respectively, the sampling pipes 4 are fixedly connected with the left side wall and the right side wall of the machine body 1 respectively, one ends of the gas collection pipes 3, which are positioned outside the machine body 1, are communicated with the outside through a gas inlet pipe 6, one-way valves are arranged in the gas inlet pipe 6, the one-way valves ensure that external gas can only enter the gas collection pipes 3 through the one-way valves, the gas collection pipes 3 are communicated with the sampling pipes;
drive arrangement, drive arrangement includes motor 8, many reciprocal lead screws 9, a plurality of slider 10, first bevel gear 11 and a plurality of second bevel gear 12, motor 8 fixed mounting is in installation cavity 5, many reciprocal lead screws 9 respectively with the installation cavity 5 about the chamber wall rotate to be connected, a plurality of slider 10 are fixed respectively to be cup jointed on many reciprocal lead screws 9, many push rods 2 respectively with the one side fixed connection that a plurality of slider 10 kept away from each other, first bevel gear 11 is fixed cup joints on motor 8's output shaft, a plurality of second bevel gear 12 are fixed respectively to be cup jointed on many reciprocal lead screws 9, first bevel gear 11 is connected with a plurality of second bevel gear 12 meshing.
In the invention, when sampling gas, a worker can firstly put the machine body 1 into a place to be collected, then the first bevel gear 11 fixedly sleeved on an output shaft of the motor 8 drives the second bevel gear 12 fixedly sleeved on the reciprocating screw rod 9 in a meshing connection manner to rotate in the rotating process by starting the motor 8, so that the reciprocating screw rods 9 are controlled to rotate together, at the moment, the slide blocks 10 which are sleeved on the reciprocating screw rods 9 in a threaded manner can drive the push rods 2 to sample together, in the reciprocating movement process of the push rods 2, gas outside the machine body 1 is sucked into the gas collecting pipe 3 through the gas inlet pipe 6 and then is discharged into the sampling pipe 4 through the gas outlet pipe 7, the reciprocating suction process is realized, multiple sampling can be carried out in the same time, the sampling efficiency is improved, and a plurality of sampling gases capable of being compared are prepared for later-stage gas detection, the accuracy of the detection result is guaranteed, and the situation that the life safety cannot be guaranteed when the dangerous gas is sampled can be avoided.
According to the preferred technical scheme, one end of the sampling tube 4 is fixedly provided with a locking mechanism, the left side wall and the right side wall of the machine body 1 are respectively provided with a plurality of mounting grooves 13, and clamping mechanisms matched with the locking mechanism for use are fixedly mounted in the mounting grooves 13. Under the cooperation of the clamping mechanism and the locking mechanism, the sampling tube 4 can be easily and conveniently fixedly mounted and dismounted with the machine body 1 without using fixing parts such as screws and nuts, so that the dismounting and mounting processes are more convenient.
According to the preferable technical scheme, the locking mechanism comprises an installation block 14, the surface of the installation block 14 is fixedly connected with one end of the sampling tube 4, a hollow cylinder 15 is fixedly installed at one end, far away from the sampling tube 4, of the installation block 14, and a plurality of spring rods 16 are arranged on the inner wall of the hollow cylinder 15.
According to the preferred technical scheme, the clamping mechanism comprises a first clamping block 17, a clamping groove 18 is formed in the surface, close to the bottom of the mounting groove 13, of the first clamping block 17, a sliding rod 19 is fixedly mounted at the center of the bottom wall of the clamping groove 18, a second clamping block 20 is slidably mounted on the sliding rod 19, and the surfaces of the ends, close to each other, of the plurality of spring rods 16 are in sliding contact with the surface of the first clamping block 17. The worker pushes the locking mechanism into the mounting groove 13, at this time, the mounting block 14 moves into the mounting groove 13, because the mounting block 14 is fixedly connected with the hollow cylinder 15, the hollow cylinder 15 also moves, the clamping mechanism gradually enters the hollow cylinder 15, at this time, the end of the spring rod 16 fixedly mounted on the inner wall of the hollow cylinder 15 slides along the surface of the first clamping block 17 in the clamping mechanism, the spring rod 16 gradually contracts in the sliding process, until the end of the spring rod 16 leaves the first clamping block 17, the acting force of the first clamping block 17 on the end of the spring rod 16 disappears, so that the spring rod 16 automatically resets and then is clamped on the lower surface of the first clamping block 17, at this time, the fixing work between the sampling tube 4 and the machine body 1 is completed, when the sampling tube 4 needs to be detached, the locking mechanism only needs to be pushed again to move into the mounting groove 13, and then the spring rod 16 moves along with the first clamping block, until 16 and second joint blocks 20's surface of spring beam carry out the joint, then stop to press locking mechanical system, 16 can take second joint blocks 20 to move towards mounting groove 13 notch department this moment, until second joint blocks 20 move to the joint groove 18 that first joint blocks 17 lower surface was seted up in, 16 tip of spring beam just can leave second joint blocks 20 this moment, the joint locking between locking mechanical system and the joint mechanical system just has been relieved, at this moment take out sampling tube 4 from mounting groove 13 in can, convenient and fast.
According to the preferable technical scheme, one end of the push rod 2 in the gas collecting pipe 3 is fixedly provided with the sealing ring 21, the outer ring of the sealing ring 21 is in sliding sealing contact with the inner wall of the gas collecting pipe 3, and the sealing ring 21 is made of rubber. The rubber has good sealing performance, so that the gas in the gas collecting pipe 3 can be effectively prevented from slipping out from a gap between the gas collecting pipe 3 and the push rod 2, and the stability of gas sampling work is ensured.
According to the preferred technical scheme, the inner wall of the second clamping block 20 is provided with a plurality of spherical grooves 22, the spherical grooves 22 are internally embedded with a spherical ball 23 in a rolling manner, the surface of the sliding rod 19 is provided with a plurality of limiting grooves 24, and the spherical ball 23 is in rolling contact with the groove walls of the limiting grooves 24. The round ball 23 reduces the friction force generated when the inner wall of the second clamping block 20 is in sliding contact with the surface of the sliding rod 19, and ensures that the second clamping block 20 cannot be clamped in the sliding process on the sliding rod 19.
According to the preferred technical scheme, a first magnet 25 is fixedly installed at the bottom of the groove in the installation groove 13, a plurality of second magnets 26 are fixedly installed on one surface, close to the first magnet 25, of the second clamping block 20, and the magnetic poles of the surfaces, close to the first magnet 25, of the first magnet 25 and the second magnet 26 are opposite. After the spring rod 16 and the second clamping block 20 move to the notch of the mounting groove 13 and are unlocked from the clamping mechanism, the second clamping block 20 can be quickly close to and tightly attached to the first magnet 25 under the action of opposite attractive magnetic force, and the locking mechanism is prevented from being blocked by the second clamping block 20 due to no resetting when the locking mechanism is pushed into the mounting groove 13 next time.
According to the preferred technical scheme, the left cavity wall and the right cavity wall of the installation cavity 5 are both provided with a rotating groove 27, the reciprocating screw rods 9 are both fixedly sleeved with a bearing 28, and the outer ring of the bearing 28 is fixedly connected with the groove wall of the rotating groove 27. The bearing 28 limits the rotation range of the reciprocating screw rod 9 and ensures that the reciprocating screw rod does not deviate in position during rotation.
According to the preferred technical scheme, the length of the hollow longitudinal section of the hollow cylinder 15 is larger than that of the longitudinal section of the clamping mechanism. Because the hollow section of thick bamboo 15 of in-process of joint locking can remove gradually, the clamping mechanism can get into hollow section of thick bamboo 15 gradually in to hollow section of thick bamboo 15 hollow longitudinal section must be greater than clamping mechanism's longitudinal section length, otherwise clamping mechanism can't get into hollow section of thick bamboo 15 in, then can't carry out the joint locking work between clamping mechanism and the locking mechanical system.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a gaseous sampling device of chemical industry enterprise safety ring protects which characterized in that includes:
the main body comprises a machine body (1), a plurality of push rods (2), a plurality of gas collecting pipes (3) and a plurality of sampling pipes (4), wherein a mounting cavity (5) is formed in the machine body (1), the push rods (2) are positioned in the mounting cavity (5), mounting ports communicated with the mounting cavities (5) are formed in the left side wall and the right side wall of the machine body (1), the gas collecting pipes (3) are fixedly mounted in the mounting ports respectively, the push rods (2) are inserted in the gas collecting pipes (3) in a sealing manner respectively, the sampling pipes (4) are fixedly connected with the left side wall and the right side wall of the machine body (1) respectively, one ends of the gas collecting pipes (3) positioned outside the machine body (1) are communicated with the outside through an air inlet pipe (6), one-way valves are arranged in the air inlet pipe (6), and ensure that external gas can only enter the gas collecting pipes (3) through the one-, the gas collecting pipe (3) is communicated with the sampling pipe (4) through an exhaust pipe (7), a one-way valve is arranged in the exhaust pipe (7), and the one-way valve ensures that gas in the gas collecting pipe (3) can only enter the sampling pipe (4) through the one-way valve;
drive arrangement, drive arrangement includes motor (8), many reciprocating screw rod (9), a plurality of slider (10), first bevel gear (11) and a plurality of second bevel gear (12), motor (8) fixed mounting is in installation cavity (5), many reciprocating screw rod (9) are controlled the chamber wall and are rotated respectively with installation cavity (5) and are connected, and are a plurality of slider (10) are fixed cup joint respectively on many reciprocating screw rod (9), many push rod (2) are the one side fixed connection who keeps away from each other with a plurality of slider (10) respectively, fixed cup joint of first bevel gear (11) is on the output shaft of motor (8), and is a plurality of second bevel gear (12) are fixed cup joint respectively on many reciprocating screw rod (9), first bevel gear (11) are connected with a plurality of second bevel gear (12) meshing.
2. The chemical industry enterprise safety and environment-friendly gas sampling device according to claim 1, wherein one end of the sampling pipe (4) is fixedly provided with a locking mechanism, the left and right side walls of the machine body (1) are respectively provided with a plurality of mounting grooves (13), and a clamping mechanism matched with the locking mechanism for use is fixedly mounted in the mounting grooves (13).
3. The chemical industry enterprise safety and environmental protection gas sampling device according to claim 2, wherein the locking mechanism comprises a mounting block (14), the surface of the mounting block (14) is fixedly connected with one end of the sampling pipe (4), a hollow cylinder (15) is fixedly mounted at one end, far away from the sampling pipe (4), of the mounting block (14), and a plurality of spring rods (16) are arranged on the inner wall of the hollow cylinder (15).
4. The chemical industry enterprise safety and environmental protection gas sampling device according to claim 2, wherein the clamping mechanism comprises a first clamping block (17), a clamping groove (18) is formed in the surface, close to the bottom of the installation groove (13), of the first clamping block (17), a sliding rod (19) is fixedly installed at the center of the bottom wall in the clamping groove (18), a second clamping block (20) is installed on the sliding rod (19) in a sliding manner, and a plurality of spring rods (16) are in surface sliding contact with the first clamping block (17) at one end surface, close to each other.
5. The chemical industry enterprise safety and environmental protection gas sampling device according to claim 1, wherein a sealing ring (21) is fixedly installed at one end of the push rod (2) in the gas collecting pipe (3), the outer ring of the sealing ring (21) is in sliding sealing contact with the inner wall of the gas collecting pipe (3), and the sealing ring (21) is made of rubber.
6. The chemical industry enterprise safety and environmental protection gas sampling device according to claim 4, wherein the inner wall of the second clamping block (20) is provided with a plurality of spherical grooves (22), the spherical grooves (22) are internally embedded with a spherical ball (23) in a rolling manner, the surface of the sliding rod (19) is provided with a plurality of limiting grooves (24), and the spherical ball (23) is in rolling contact with the groove walls of the limiting grooves (24).
7. The chemical industry enterprise safety and environmental protection gas sampling device according to claim 4, wherein a first magnet (25) is fixedly installed at the bottom of the groove in the installation groove (13), a plurality of second magnets (26) are fixedly installed on one surface, close to the first magnet (25), of the second clamping block (20), and the magnetic poles of the surfaces, close to each other, of the first magnet (25) and the second magnet (26) are opposite.
8. The chemical industry enterprise safety and environmental protection gas sampling device according to claim 1, wherein the walls of the left and right walls of the installation cavity (5) are provided with rotating grooves (27), a plurality of reciprocating screw rods (9) are fixedly sleeved with bearings (28), and the outer rings of the bearings (28) are fixedly connected with the walls of the rotating grooves (27).
9. The chemical industry enterprise safety and environmental protection gas sampling device according to claim 3, wherein the hollow cylinder (15) has a hollow longitudinal section length larger than the longitudinal section length of the clamping mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580042.9A CN112729977A (en) | 2020-12-28 | 2020-12-28 | Chemical industry enterprise safety ring protects gaseous sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580042.9A CN112729977A (en) | 2020-12-28 | 2020-12-28 | Chemical industry enterprise safety ring protects gaseous sampling device |
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| Publication Number | Publication Date |
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| CN112729977A true CN112729977A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011580042.9A Withdrawn CN112729977A (en) | 2020-12-28 | 2020-12-28 | Chemical industry enterprise safety ring protects gaseous sampling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237703A (en) * | 2021-05-07 | 2021-08-10 | 江苏海洋大学 | Data acquisition device based on internet technology |
| CN114261473A (en) * | 2021-12-09 | 2022-04-01 | 武汉理工大学 | Connector mechanism for butt joint of unmanned boat |
| CN114739754A (en) * | 2022-02-18 | 2022-07-12 | 安徽理工大学 | Chemical industry safety ring protects gaseous sampling device |
| CN114954943A (en) * | 2021-12-30 | 2022-08-30 | 青岛吉美来科技有限公司 | Unmanned aerial vehicle for atmospheric detection |
-
2020
- 2020-12-28 CN CN202011580042.9A patent/CN112729977A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237703A (en) * | 2021-05-07 | 2021-08-10 | 江苏海洋大学 | Data acquisition device based on internet technology |
| CN113237703B (en) * | 2021-05-07 | 2022-12-16 | 江苏海洋大学 | Data acquisition device based on internet technology |
| CN114261473A (en) * | 2021-12-09 | 2022-04-01 | 武汉理工大学 | Connector mechanism for butt joint of unmanned boat |
| CN114954943A (en) * | 2021-12-30 | 2022-08-30 | 青岛吉美来科技有限公司 | Unmanned aerial vehicle for atmospheric detection |
| CN114954943B (en) * | 2021-12-30 | 2023-01-10 | 青岛吉美来科技有限公司 | Unmanned aerial vehicle for atmospheric detection |
| CN114739754A (en) * | 2022-02-18 | 2022-07-12 | 安徽理工大学 | Chemical industry safety ring protects gaseous sampling device |
| CN114739754B (en) * | 2022-02-18 | 2024-04-19 | 安徽理工大学 | Chemical industry safety environmental protection gas sampling device |
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Application publication date: 20210430 |