CN109520787B - Atmospheric environment detection equipment - Google Patents
Atmospheric environment detection equipment Download PDFInfo
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- CN109520787B CN109520787B CN201811350594.3A CN201811350594A CN109520787B CN 109520787 B CN109520787 B CN 109520787B CN 201811350594 A CN201811350594 A CN 201811350594A CN 109520787 B CN109520787 B CN 109520787B
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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
- G01N1/2273—Atmospheric sampling
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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 relates to the technical field of environment detection equipment, in particular to atmospheric environment detection equipment which comprises an operation table, a support rod, a first gas collecting mechanism, a second gas collecting mechanism, a first gas storage mechanism, a second gas storage mechanism, a first air pump, a second air pump and a box body, wherein the operation table is arranged on the operation table; the invention adopts the first gas collecting mechanism and the second gas collecting mechanism which are distributed in an inner layer and an outer layer, can realize the simultaneous and independent collection of gases in different areas, has small occupied area, is convenient to carry and is simple and convenient to operate; the screwing-out height of the threaded pipe can be adjusted to collect high-rise gas at different positions, the required gas inlet joint can be selected to collect bottom-layer gas at different positions, the collection range is wide, and the requirement of atmospheric detection can be effectively met; can carry out vacuum treatment to the body through two aspiration pumps for the gas purity of taking out is higher, and the aspiration pump still can be direct with gaseous water conservancy diversion to gas storage equipment in, realizes gathering, stores as an organic whole.
Description
Technical Field
The invention relates to the technical field of environment detection equipment, in particular to atmospheric environment detection equipment.
Background
In order to effectively detect the atmospheric environment, a sampler is required to be used for sampling detection, and the atmospheric sampler plays a good role in detecting air and harmful gases in the environment.
The existing sampler can not well collect gases at different heights, the collection efficiency is low, the range is limited, and the collected gases can not be well stored. In view of this, the present invention provides an atmospheric environment detection apparatus, which has the following features:
(1) according to the atmospheric environment detection equipment, the first gas collecting mechanism and the second gas collecting mechanism which are distributed in the inner layer and the outer layer are adopted, so that gases in different areas can be simultaneously and independently collected, the occupied area is small, the carrying is convenient, and the operation is simple and convenient;
(2) according to the atmospheric environment detection equipment, the screwing-out height of the threaded pipe can be adjusted to collect high-rise gas at different positions, the required gas inlet joint can be selected to collect bottom-layer gas at different positions, the collection range is wide, and the atmospheric detection requirement can be effectively met;
(3) according to the atmospheric environment detection equipment, the pipe body can be subjected to vacuum treatment through the two air pumps, so that the purity of the extracted gas is higher, and the air pumps can also directly guide the gas into the gas storage equipment, so that the gas is collected and stored into a whole.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides atmospheric environment detection equipment, which adopts a first gas collection mechanism and a second gas collection mechanism which are distributed in an inner layer and an outer layer to realize the simultaneous and independent collection of gases in different areas, and has the advantages of small occupied area, portability and simple and convenient operation; the screwing-out height of the threaded pipe can be adjusted to collect high-rise gas at different positions, the required gas inlet joint can be selected to collect bottom-layer gas at different positions, the collection range is wide, and the requirement of atmospheric detection can be effectively met; can carry out vacuum treatment to the body through two aspiration pumps for the gas purity of taking out is higher, and the aspiration pump still can be direct with gaseous water conservancy diversion to gas storage equipment in, realizes gathering, stores as an organic whole.
The technical scheme adopted by the invention for solving the technical problems is as follows: an atmospheric environment detection device comprises an operation table, a support rod, a first gas collection mechanism, a second gas collection mechanism, a first gas storage mechanism, a second gas storage mechanism, a first air pump, a second air pump and a box body; the surface of the operating platform is fixed with the second gas collecting mechanism, the first gas collecting mechanism is connected with the second gas collecting mechanism through threads inside the second gas collecting mechanism, and the second gas collecting mechanism and the first gas collecting mechanism are used for collecting gases with different heights; the bottom of the second gas collecting mechanism is communicated with the second air pump, the bottom of the first gas collecting mechanism is communicated with the first air pump, and the second air pump and the first air pump are used for sucking and collecting; the first air pump and the second air pump are both arranged on the inner wall of the box body, and the box body is arranged on the bottom surface of the operating platform; the first air pump is communicated with the second air storage mechanism, the second air pump is communicated with the first air storage mechanism, and the first air storage mechanism and the second air storage mechanism are used for storing collected air.
Specifically, the second gas collection mechanism includes outer body, second barometer, outer body is located perpendicularly the surperficial center department of operation panel, the outer wall top of outer body is equipped with the second barometer, the lateral wall of outer body from top to bottom equidistance is equipped with a plurality of air inlet connector.
Specifically, the first gas collection mechanism comprises an inner pipe body, a threaded pipe, a first barometer and an air inlet pipe, the inner pipe body is located at the center line of the outer pipe body, the top end of the inner pipe body is of an open structure, a blocking cavity structure is enclosed between the inner pipe body and the outer pipe body, the threaded pipe is in threaded connection inside the inner pipe body, the threaded pipe is of a structure with a closed top end and an open bottom end, the air inlet pipe is vertically communicated with the side wall of the top end of the threaded pipe, the first barometer is arranged on the outer wall of the top end of the threaded pipe, and the air inlet pipe and the air inlet joint are both connected with a rubber pad in a matched mode.
Specifically, an inlet end of the first air pump is communicated with a first air exhaust pipe, the first air exhaust pipe extends into the bottom end of the inner portion of the inner pipe body, an outlet end of the first air pump is communicated with a first air exhaust pipe and a second air exhaust pipe, a first electromagnetic valve and a second electromagnetic valve are respectively mounted outside the first air exhaust pipe and the second air exhaust pipe, and the second air exhaust pipe is communicated with the second air storage mechanism.
Specifically, an inlet end of the second air pump is communicated with a second air pumping pipe, the second air pumping pipe extends into a closed structure surrounded by the outer pipe body and the inner pipe body, an outlet end of the second air pump is communicated with a third air exhaust pipe and a fourth air exhaust pipe, a third electromagnetic valve and a fourth electromagnetic valve are respectively mounted outside the third air exhaust pipe and the fourth air exhaust pipe, the third air exhaust pipe is communicated with the first air exhaust pipe, and the fourth air exhaust pipe is communicated with the first air storage mechanism.
Specifically, the first gas storage mechanism and the second gas storage mechanism have the same structure, the first gas storage mechanism comprises a gas storage bottle, a gas transmission seat, a connecting pipe and a sealing mechanism, the surface of the gas transmission seat is provided with an installation groove, a gas transmission head is arranged in the installation groove and is communicated with the fourth exhaust pipe through a gas transmission pipe, the bottom of the gas storage bottle is communicated with a connecting pipe, the connecting pipe is clamped and connected with the inside of the mounting groove, the outlet end of the connecting pipe is of a funnel structure, a sealing mechanism is arranged in the connecting pipe, the sealing mechanism comprises a sealing head, a spring, a supporting plate and a supporting rod, the sealing head is connected with the outlet end of the connecting pipe in a matching way, the top surface of sealed head is equipped with the spring, the top fixed connection of spring the backup pad, the lateral wall of backup pad passes through branch connects the connecting pipe.
The invention has the beneficial effects that:
(1) according to the atmospheric environment detection equipment, the first gas collecting mechanism and the second gas collecting mechanism which are distributed in the inner layer and the outer layer are adopted, so that gases in different areas can be simultaneously and independently collected, the occupied area is small, the carrying is convenient, and the operation is simple and convenient;
(2) according to the atmospheric environment detection equipment, the screwing-out height of the threaded pipe can be adjusted to collect high-rise gas at different positions, the required gas inlet joint can be selected to collect bottom-layer gas at different positions, the collection range is wide, and the atmospheric detection requirement can be effectively met;
(3) according to the atmospheric environment detection equipment, the pipe body can be subjected to vacuum treatment through the two air pumps, so that the purity of the extracted gas is higher, and the air pumps can also directly guide the gas into the gas storage equipment, so that the gas is collected and stored into a whole.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the overall structure of the second gas collecting mechanism shown in fig. 1;
FIG. 3 is a schematic view of the connection structure inside the case shown in FIG. 2;
FIG. 4 is a schematic view of the gas cylinder and the gas transmission base shown in FIG. 3;
fig. 5 is an enlarged schematic view of a portion a shown in fig. 4.
In the figure: 1. an operation table, 2, a support rod, 3, a first gas collection mechanism, 31, an inner tube, 32, a threaded tube, 33, a first barometer, 34, an air inlet tube, 4, a second gas collection mechanism, 41, an outer tube, 411, an air inlet joint, 42, a second barometer, 5, a sealing gasket, 6, a first air storage mechanism, 61, an air bottle, 62, an air delivery seat, 621, a mounting groove, 622, an air delivery tube, 623, an air delivery head, 63, a connecting tube, 64, a sealing mechanism, 641, a sealing head, 642, a spring, 643, a support plate, 644, a support rod, 7, a second air storage mechanism, 8, a first air pump, 81, a first air extraction tube, 82, a first air extraction tube, 821, a first electromagnetic valve, 83, a second air extraction tube, 831, a second electromagnetic valve, 9, a second air extraction pump, 91, a second air extraction tube, 92, a third air extraction tube 921, a third electromagnetic valve, 93, a fourth air extraction tube, an electromagnetic valve, 9a and a box body.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the atmospheric environment detection device according to the present invention includes an operation platform 1, a support rod 2, a first gas collecting mechanism 3, a second gas collecting mechanism 4, a first gas storage mechanism 6, a second gas storage mechanism 7, a first air pump 8, a second air pump 9, and a box 9 a; the surface of the operating platform 1 is fixed with the second gas collecting mechanism 4, the first gas collecting mechanism 3 is connected with the second gas collecting mechanism 4 through threads, and the second gas collecting mechanism 4 and the first gas collecting mechanism 3 are used for collecting gases with different heights; the bottom of the second air collecting mechanism 4 is communicated with the second air pump 9, the bottom of the first air collecting mechanism 3 is communicated with the first air pump 8, and the second air pump 9 and the first air pump 8 are used for air suction collection; the first air pump 8 and the second air pump 9 are both arranged on the inner wall of the box body 9a, and the box body 9a is arranged on the bottom surface of the operating platform 1; the first air pump 8 is communicated with the second air storage mechanism 7, the second air pump 9 is communicated with the first air storage mechanism 6, and the first air storage mechanism 6 and the second air storage mechanism 7 are used for storing collected air.
Specifically, as shown in fig. 1 and fig. 2, the second gas collecting mechanism 4 includes an outer tube 41 and a second barometer 42, the outer tube 41 is vertically disposed at the center of the surface of the console 1, the second barometer 42 is disposed at the top end of the outer wall of the outer tube 41, and the side wall of the outer tube 41 is equidistantly provided with a plurality of gas inlet connectors 411 from top to bottom; can detect atmospheric pressure through the barometer, can 4 advance to collect bottom gas through second gas collection mechanism.
Specifically, as shown in fig. 1 and fig. 2, the first gas collecting mechanism 3 includes an inner tube 31, a threaded tube 32, a first gas pressure gauge 33 and an air inlet tube 34, the inner tube 31 is located at a central line of the outer tube 41, a top end of the inner tube 31 is an open structure, a closed cavity structure is defined between the inner tube 31 and the outer tube 41, the threaded tube 32 is connected to an inner portion of the inner tube 31 by a thread, the threaded tube 32 is of a structure with a closed top end and an open bottom end, a top end side wall of the threaded tube 32 is vertically communicated with the air inlet tube 34, the first gas pressure gauge 33 is arranged on an outer wall of the top end of the threaded tube 32, and the air inlet tube 34 and the air inlet joint 411 are both connected with a rubber gasket 5 in a matching manner; can gather the gas of high-rise through first gas collection mechanism 3 to can freely adjust and gather the height.
Specifically, as shown in fig. 3, an inlet end of the first air pump 8 is communicated with a first air suction pipe 81, the first air suction pipe 81 extends into the inner bottom end of the inner tube 31, an outlet end of the first air pump 8 is communicated with a first exhaust pipe 82 and a second exhaust pipe 83, a first electromagnetic valve 821 and a second electromagnetic valve 831 are respectively installed outside the first exhaust pipe 82 and the second exhaust pipe 83, and the second exhaust pipe 83 is communicated with the second air storage mechanism 7; can bleed to first gas collection mechanism 8 through first aspiration pump 8, realize gaseous automatic acquisition.
Specifically, as shown in fig. 3, an inlet end of the second air pump 9 is communicated with a second air pumping pipe 91, the second air pumping pipe 91 extends into a closed structure surrounded by the outer pipe 41 and the inner pipe 31, an outlet end of the second air pump 9 is communicated with a third air exhaust pipe 92 and a fourth air exhaust pipe 93, a third solenoid valve 921 and a fourth solenoid valve 931 are respectively installed outside the third air exhaust pipe 92 and the fourth air exhaust pipe 93, the third air exhaust pipe 92 is communicated with the first air exhaust pipe 82, and the fourth air exhaust pipe 93 is communicated with the first air storage mechanism 6; can bleed to second gas collection mechanism 4 through first aspiration pump 8, realize gaseous automatic acquisition.
Specifically, as shown in fig. 4 and 5, the first air storage mechanism 6 and the second air storage mechanism 7 have the same structure, the first air storage mechanism 6 includes an air storage bottle 61, an air delivery seat 62, a connecting pipe 63 and a sealing mechanism 64, an installation groove 621 is formed on the surface of the air delivery seat 62, an air delivery head 623 is installed inside the installation groove 621, the air delivery head 623 is communicated with the fourth exhaust pipe 93 through an air delivery pipe 622, the bottom of the air storage bottle 61 is communicated with the connecting pipe 63, the connecting pipe 63 is connected with the inside of the installation groove 621 in a clamping manner, the outlet end of the connecting pipe 63 is of a funnel structure, the sealing mechanism 64 is installed inside the connecting pipe 63, the sealing mechanism 64 includes a sealing head 641, a spring 642, a supporting plate 643 and a supporting rod 644, the sealing head 641 is connected with the outlet end of the connecting pipe 63 in a matching manner, and the spring 642 is disposed on the top surface of the sealing, the top end of the spring 642 is fixedly connected with the supporting plate 643, and the side wall of the supporting plate 643 is connected with the connecting pipe 63 through the strut 644; the gas can be stored through the gas storage mechanism, and the gas storage mechanism can be freely detached and installed.
The first gas collecting mechanism 3 and the second gas collecting mechanism 4 which are distributed in an inner layer and an outer layer can realize simultaneous and independent collection of gases in different areas, and the device has the advantages of small occupied area, convenience in carrying and simplicity and convenience in operation; the screwing-out height of the threaded pipe 32 can be adjusted to collect high-rise gas at different positions, the required gas inlet joint 411 can be selected to collect bottom-layer gas at different positions, the collection range is wide, and the requirement of atmospheric detection can be effectively met; can carry out vacuum treatment to the body through two aspiration pumps for the gas purity of taking out is higher, and the aspiration pump still can be direct with gaseous water conservancy diversion to gas storage equipment in, realizes gathering, stores as an organic whole. The method specifically comprises the following steps:
(1) during operation, the operation table 1 is conveyed to a place needing to be collected, then the threaded pipe 32 is rotated according to the height of gas needing to be collected, the threaded pipe 32 is screwed out to the required height, and then the air inlet joint 411 with the proper height is selected; connecting the vacuum gas cylinder 61 with the gas transmission seat 62, clamping the connecting pipe 63 into the mounting groove 621, and at the same time, pushing the sealing head 641 on the gas transmission head 623 so that the sealing head 641 moves upwards and compresses the spring 642 to open the connecting pipe 63;
(2) before collection, the first electromagnetic valve 821 and the third electromagnetic valve 921 are controlled to be in an open state through the external switch, the second electromagnetic valve 831 and the fourth electromagnetic valve 931 are in a closed state, two air pumps are started, at the moment, gas in the inner pipe body 31, gas in a cavity surrounded by the inner pipe body 31 and the outer pipe body 41 are respectively pumped out by the two air pumps and then exhausted through the first exhaust pipe 82 and the second exhaust pipe 92, an operator can judge the gas condition in the pipe according to the values of the two barometers, and air pumping is stopped when vacuum is pumped out;
(3) then the first electromagnetic valve 821 and the third electromagnetic valve 921 are controlled to be in a closed state, the second electromagnetic valve 831 and the fourth electromagnetic valve 931 are controlled to be in an open state, the sealing gasket 5 connected with the air inlet pipe 34 and the air inlet joint 411 is taken down, the air at the high position is pumped into the threaded pipe 32 and the inner pipe 31 through the air inlet pipe 34 and then is discharged into the second air storage mechanism 7 through the fourth air outlet pipe 93, the air at the bottom layer is pumped into a cavity between the outer pipe 41 and the inner pipe 31 and then is discharged into the air delivery pipe 622 through the second air outlet pipe 83 and then is discharged into the air storage bottle 61 through the air delivery head 623 and the connecting pipe 63 for storage;
(4) the operator can remove the gas cylinder 61, and when the gas cylinder is removed, the gas delivery head 623 is separated from the sealing head 641, and then the sealing head 641 moves downwards under the driving of the spring 642 and seals the outlet of the connecting pipe 63, so that automatic sealing is realized.
The invention adopts the first gas collecting mechanism 3 and the second gas collecting mechanism 4 which are distributed in an inner layer and an outer layer, can realize the simultaneous and independent collection of gases in different areas, has small occupied area, is convenient to carry and is simple and convenient to operate; the screwing-out height of the threaded pipe 32 can be adjusted to collect high-rise gas at different positions, the required gas inlet joint 411 can be selected to collect bottom-layer gas at different positions, the collection range is wide, and the requirement of atmospheric detection can be effectively met; can carry out vacuum treatment to the body through two aspiration pumps for the gas purity of taking out is higher, and the aspiration pump still can be direct with gaseous water conservancy diversion to gas storage equipment in, realizes gathering, stores as an organic whole.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An atmospheric environment detection device, characterized by: the gas collection device comprises an operation table (1), a support rod (2), a first gas collection mechanism (3), a second gas collection mechanism (4), a first gas storage mechanism (6), a second gas storage mechanism (7), a first air pump (8), a second air pump (9) and a box body (9 a); the surface of the operating platform (1) is fixed with the second gas collecting mechanism (4), the first gas collecting mechanism (3) is connected with the second gas collecting mechanism (4) through threads, and the second gas collecting mechanism (4) and the first gas collecting mechanism (3) are used for collecting gases with different heights; the bottom of the second gas collecting mechanism (4) is communicated with the second air pump (9), the bottom of the first gas collecting mechanism (3) is communicated with the first air pump (8), and the second air pump (9) and the first air pump (8) are used for sucking and collecting; the first air pump (8) and the second air pump (9) are both arranged on the inner wall of the box body (9a), and the box body (9a) is arranged on the bottom surface of the operating platform (1); the first air pump (8) is communicated with the second air storage mechanism (7), the second air pump (9) is communicated with the first air storage mechanism (6), and the first air storage mechanism (6) and the second air storage mechanism (7) are used for storing collected air;
the second gas collecting mechanism (4) comprises an outer tube (41) and a second barometer (42), the outer tube (41) is vertically arranged at the center of the surface of the operating table (1), the second barometer (42) is arranged at the top end of the outer wall of the outer tube (41), and a plurality of gas inlet connectors (411) are arranged on the side wall of the outer tube (41) from top to bottom at equal intervals;
the first gas collection mechanism (3) comprises an inner pipe body (31), a threaded pipe (32), a first barometer (33) and an air inlet pipe (34), wherein the inner pipe body (31) is located at the central line of an outer pipe body (41), the top end of the inner pipe body (31) is of an open structure, a blocking cavity structure is defined between the inner pipe body (31) and the outer pipe body (41), the threaded pipe (32) is connected to the inner thread of the inner pipe body (31), the threaded pipe (32) is of a structure with a closed top end and an open bottom end, the air inlet pipe (34) is vertically communicated with the side wall of the top end of the threaded pipe (32), the first barometer (33) is arranged on the outer wall of the top end of the threaded pipe (32), and the air inlet pipe (34) and the air inlet joint (411) are both connected with a rubber pad (5).
2. An atmospheric environment detection apparatus according to claim 1, characterized in that: the inlet end of the first air pump (8) is communicated with a first air pumping pipe (81), the first air pumping pipe (81) extends into the bottom end of the inner portion of the inner pipe body (31), the outlet end of the first air pump (8) is communicated with a first exhaust pipe (82) and a second exhaust pipe (83), a first electromagnetic valve (821) and a second electromagnetic valve (831) are respectively installed outside the first exhaust pipe (82) and the second exhaust pipe (83), and the second exhaust pipe (83) is communicated with the second air storage mechanism (7).
3. An atmospheric environment detection apparatus according to claim 2, characterized in that: the inlet end of the second air pump (9) is communicated with a second air pumping pipe (91), the second air pumping pipe (91) extends into a closed structure surrounded by the outer pipe body (41) and the inner pipe body (31), the outlet end of the second air pump (9) is communicated with a third air exhaust pipe (92) and a fourth air exhaust pipe (93), a third electromagnetic valve (921) and a fourth electromagnetic valve (931) are respectively installed outside the third air exhaust pipe (92) and the fourth air exhaust pipe (93), the third air exhaust pipe (92) is communicated with the first air exhaust pipe (82), and the fourth air exhaust pipe (93) is communicated with the first air storage mechanism (6).
4. An atmospheric environment detection apparatus according to claim 3, characterized in that: the first air storage mechanism (6) and the second air storage mechanism (7) have the same structure, the first air storage mechanism (6) comprises an air storage bottle (61), an air delivery seat (62), a connecting pipe (63) and a sealing mechanism (64), an installation groove (621) is formed in the surface of the air delivery seat (62), an air delivery head (623) is installed inside the installation groove (621), the air delivery head (623) is communicated with the fourth exhaust pipe (93) through an air delivery pipe (622), the connecting pipe (63) is communicated with the bottom of the air storage bottle (61), the connecting pipe (63) is connected with the inside of the installation groove (621) in a clamping manner, the outlet end of the connecting pipe (63) is of a funnel structure, the sealing mechanism (64) is installed inside the connecting pipe (63), and the sealing mechanism (64) comprises a sealing head (641), a spring (642), a supporting plate (643) and a supporting rod (644), the sealing head (641) is matched and connected with the outlet end of the connecting pipe (63), the spring (642) is arranged on the top surface of the sealing head (641), the top end of the spring (642) is fixedly connected with the supporting plate (643), and the side wall of the supporting plate (643) is connected with the connecting pipe (63) through the supporting rod (644).
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| CN201811350594.3A CN109520787B (en) | 2018-11-14 | 2018-11-14 | Atmospheric environment detection equipment |
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| CN201811350594.3A CN109520787B (en) | 2018-11-14 | 2018-11-14 | Atmospheric environment detection equipment |
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| CN111766339B (en) * | 2020-07-06 | 2022-08-02 | 南京信云智能制造科技有限公司 | Industrial intelligent environment detection device and system thereof |
| CN112050084B (en) * | 2020-08-14 | 2023-09-01 | 广东冠电科技股份有限公司 | Gas collecting and sampling device |
| CN116642137B (en) * | 2023-06-19 | 2023-10-20 | 兰州工业学院 | Monitoring equipment for large-scale wind power base safety operation |
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