CN111272499A - Environment measuring sampling device - Google Patents
Environment measuring sampling device Download PDFInfo
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- CN111272499A CN111272499A CN202010151660.5A CN202010151660A CN111272499A CN 111272499 A CN111272499 A CN 111272499A CN 202010151660 A CN202010151660 A CN 202010151660A CN 111272499 A CN111272499 A CN 111272499A
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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
Abstract
The invention discloses an environment detection sampling device, which connects the upper ends of at least two gas sample gas-collecting bottles in parallel by adopting a sample bottle air-extracting connecting mechanism so as to enable the gas sample gas-collecting bottles to be communicated with each other, can effectively realize the mixing of gases in the gas-collecting bottles collected in the same area during detection and sampling, improves the uniformity of internal gas samples, only needs to vacuumize each gas sample gas-collecting bottle during sample suction, then utilizes the sample bottle air-extracting connecting mechanism of the gas sample gas-collecting bottle to suck gas samples, can realize the sample detection of the gas samples by connecting a gas sample detection device or a gas sample detection collector during the sample detection, has a self-locking sealing function at the upper end opening of the gas sample gas-collecting bottle, effectively improves the convenience and the precision of the gas sample suction and sampling, the leakage problem is prevented, the accuracy of the detected data is improved, and the problem of inaccurate detection caused by accidental factors is prevented.
Description
Technical Field
The invention relates to the technical field of environment detection sampling, in particular to an environment detection sampling device.
Background
With the continuous development of industry, atmospheric pollution has a tendency of aggravation, so that the prevention and control of atmospheric pollution are more and more emphasized, and the prevention and control of atmospheric pollution firstly needs to sample the atmosphere in an area needing to be detected, and then the atmospheric sample is detected and analyzed in a laboratory, so as to obtain various test results. The environment detection device in the prior art carries the gas in the atmosphere to gas appearance gas collecting bottle in through the vacuum aspiration pump, stores the atmospheric sample through gas appearance gas collecting bottle, nevertheless can cause the atmospheric sample in the gas appearance gas collecting bottle to reveal when the gas appearance gas collecting bottle takes off from the sample thief, can't carry out quick seal when gas appearance gas collecting bottle takes off, causes the sample to reveal. And because the restriction of gas cylinder's size, generally need to take a sample through a plurality of gas cylinders during the sample, however, because the gas sample in every cylinder is less, this just leads to the testing result to exist the contingency easily, influences detection efficiency.
Disclosure of Invention
The technical scheme of the invention is as follows:
the invention is realized by the following technical scheme: the invention provides an environment detection sampling device, which comprises a vacuum suction mechanism, a plurality of gas sample gas collecting bottles, a sample bottle gas suction connecting mechanism and a gas sample detection releasing mechanism, wherein each gas sample gas collecting bottle is detachably connected with the suction end of the vacuum suction mechanism so as to suck the gas sample gas collecting bottles, and the environment detection sampling device is characterized in that the upper ends of at least two gas sample gas collecting bottles are connected together in parallel by adopting the sample bottle gas suction connecting mechanism so as to ensure that the gas sample gas collecting bottles are mutually communicated, the lower ends of at least two gas sample gas collecting bottles are connected together by adopting the gas sample detection releasing mechanism, the sample gas suction bottle connecting mechanism is at least provided with a pressure gauge for displaying the internal air pressure of the gas sample gas collecting bottles, and the gas sample detection releasing mechanism can be connected with a gas sample detection device or a gas sample detection collector, and the gas sample detection and release mechanism is provided with a gas sample release control valve for independently controlling each gas sample gas collecting bottle, the gas sample detection and release mechanism is also provided with a master control valve for integrally controlling the release condition of the released gas sample, the upper end opening and the lower end opening of each gas sample gas collecting bottle can be locked and sealed, and the upper end opening of each gas sample gas collecting bottle has a self-locking sealing function.
Further, as preferred, the sample bottle air-extracting connecting mechanism comprises a connecting sealing cover, a locking flange, a side connecting flange, a detecting pipe, an air-sucking sampling branch pipe and an air-sucking sampling main pipe, wherein the top of each air sample gas collecting bottle can be provided with the connecting sealing cover in threaded sealing connection, the top of the connecting sealing cover is provided with the locking flange for locking the connecting sealing cover at the upper end of the air sample gas collecting bottle, the side part of the connecting sealing cover is communicated with the detecting pipe through the side connecting flange, each connecting sealing cover is connected on the same detecting pipe, the pressure gauge is arranged on the detecting pipe, the side connecting flange is also connected with the air-sucking sampling branch pipe which is connected with the detecting pipe in parallel, the air-sucking sampling branch pipe on each connecting sealing cover is connected to the air-sucking sampling main pipe, and when sampling, the vacuum pumping mechanism is used for vacuumizing each air sample gas collecting bottle, then, the air sample is automatically sucked into the air sample gas collecting bottle by utilizing the air suction sampling main pipe, and the sealing cover can trigger the self-locking function of the air sample gas collecting bottle (86) by screwing and unscrewing.
Further, preferably, each of the branch air suction sampling pipes is provided with an air sample air suction branch valve, and the main air suction sampling pipe is provided with an air sample air suction main valve.
Further, as preferred, gas appearance detects release mechanism includes flange, lower release pipe, lower communicating pipe and release and is responsible for, wherein, every the bottom of gas appearance gas collecting bottle is provided with gas appearance release ring flange, gas appearance release ring flange with flange connection down, connect down on the flange the release pipe down, each adopt between the release pipe down communicating pipe intercommunication, and each release pipe down all is connected to the release is responsible for.
Further, as preferred, the total control valve sets up on the main pipe of release, each lower release pipe with the release is responsible for and all is provided with gas appearance release control valve between the pipe, still be provided with the intercommunication control valve on the lower communicating pipe.
Further, preferably, the vacuum pumping mechanism comprises a casing and an air outlet pipe, the middle part of the top end of the casing is in locking connection with the handle, the air outlet pipe extends into the casing through a through hole in the left side of the top end of the casing, a display screen is embedded in the left side of the front end of the casing, a power supply interface and a controller are respectively embedded in the left side and the right side of the front end of the casing, an air guide pipe extends into the right end of the casing, the right end of the air guide pipe is locked with the air exhaust device, and the left end of the air exhaust device; the air exhaust device is composed of a supporting plate, a connecting pipe, internal threads, an air pipe and an air outlet pipe, the bottom end of the supporting plate is locked with the connecting pipe, the air pipe is arranged in the middle of the connecting pipe, the top end of the air pipe is in threaded connection with the supporting plate, the bottom of the right end of the air pipe penetrates through the supporting plate and extends into the connecting pipe, the interior of the connecting pipe is in threaded connection with the gas sample collecting bottle through the internal threads, and the left end of the supporting plate is in locking connection with the.
Further, preferably, the middle part in the casing is in locking connection with a vacuum air pump, the ports at the left end and the right end of the vacuum air pump are in threaded connection with an air outlet pipe and an air guide pipe respectively, the middle part of the air outlet pipe is in locking connection with a flow sensor, and the display screen, the power supply interface and the vacuum air pump are electrically connected with the controller respectively.
Further, as preferred, gas appearance gas collecting bottle comprises bottle, connector, external screw thread and open-close plate, the bottle top is provided with the connector, the connector outer wall is provided with the external screw thread, the inside bottom of connector rotates with the open-close plate to be connected, the connector top carries out screw thread locking through the internal thread in external screw thread and the connecting tube.
Further, as preferred, the open-close plate comprises first closing plate, second closing plate, rotor plate, axis of rotation and torsional spring, first closing plate and second closing plate imbed respectively on the inside top of connector, first closing plate left end and second closing plate right-hand member all are provided with the rotor plate, and the rotor plate rotates with the connector through the axis of rotation and is connected, the torsional spring has been cup jointed in the moving axis outside, and the bracing piece at torsional spring both ends supports first closing plate and connector bottom respectively, first closing plate and second closing plate can be through sealed lid screw and the promotion is triggered to the pine of unscrewing.
Further, as preferred, the inside top of connector is provided with the limiting plate, first closing plate and second closing plate are semicircle form and symmetry setting, and first closing plate and second closing plate junction are provided with sealing rubber, the turned angle of the torsional spring of first closing plate and second closing plate is anticlockwise rotation and clockwise rotation respectively.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
the invention connects the upper ends of at least two gas sample gas-collecting bottles in parallel by adopting the sample bottle air-extracting connecting mechanism so as to ensure that the gas sample gas-collecting bottles are communicated with each other, thus effectively realizing the mixing of the gas in the gas-collecting bottles collected in the same area when detecting and sampling, improving the uniformity of the internal gas sample, and only needing to vacuumize each gas sample gas-collecting bottle when detecting and sampling, then utilizing the sample bottle air-extracting connecting mechanism of the gas sample gas-collecting bottle to absorb the gas sample, and when detecting and sampling, the gas sample detecting and releasing mechanism can be connected with a gas sample detecting device or a gas sample detecting collector to realize the sampling detection of the gas sample, and the upper end opening of the gas sample gas-collecting bottle has the self-locking sealing function, effectively improving the convenience and precision of the gas sample absorption and sampling, preventing the leakage and other problems, the invention improves the accuracy of the detected data, prevents the problem of inaccurate detection caused by accidental factors, and avoids the problems of leakage of the atmospheric sample in the gas sample gas-collecting bottle and air intake to the inner side after vacuumizing by arranging the open plate at the joint at the top end of the gas sample gas-collecting bottle and automatically closing and sealing the connector at the top end of the gas sample gas-collecting bottle by the open plate when the gas sample gas-collecting bottle is taken down.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the connection between a sample bottle pumping connection mechanism and a gas sample detection release mechanism according to the present invention;
FIG. 2 is a schematic view of the external structure of the vacuum pumping mechanism of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing of the present invention;
FIG. 4 is a schematic view of the structure of the air extractor of the present invention;
FIG. 5 is a schematic view of the gas sample collection bottle of the present invention;
fig. 6 is a bottom view of the structure of the opening and closing plate of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-6, the present invention provides an environmental monitoring sampling device: the gas sample detection and release device comprises a vacuum suction mechanism, a plurality of gas sample gas collection bottles 86, a sample bottle air suction connecting mechanism and a gas sample detection and release mechanism, wherein each gas sample gas collection bottle 86 is detachably connected to the suction end of the vacuum suction mechanism so as to suck the gas sample gas collection bottles 86, and is characterized in that the sample bottle air suction connecting mechanism is connected between the upper ends of at least two gas sample gas collection bottles 86 in parallel so as to enable the gas sample gas collection bottles 86 to be communicated with each other, the gas sample detection and release mechanism is connected between the lower ends of at least two gas sample gas collection bottles 86, at least one pressure gauge 15 for displaying the internal pressure of each gas sample gas collection bottle 86 is arranged on the sample bottle air suction connecting mechanism, the gas sample detection and release mechanism can be connected with gas sample detection equipment or a gas sample detection collector, and a gas sample release control valve for independently controlling each gas sample gas collection bottle 86 is arranged on the gas sample detection and release mechanism 24, the gas sample detection and release mechanism is further provided with a master control valve 17 for integrally controlling the release condition of the released gas sample, the upper end opening and the lower end opening of the gas sample gas collecting bottle 86 can be locked and sealed, and the upper end opening of the gas sample gas collecting bottle 86 has a self-locking sealing function.
In this embodiment, the sample bottle air-extracting connection mechanism includes a connection sealing cover 13, a locking flange 11, a side connection flange 12, a detection tube 14, an air-breathing sampling branch tube 16 and an air-breathing sampling main tube 25, wherein the top of each gas sample gas collection bottle 86 is provided with the connection sealing cover in threaded sealing connection, the top of the connection sealing cover is provided with the locking flange for locking the connection sealing cover at the upper end of the gas sample gas collection bottle, the side part of the connection sealing cover is communicated with the detection tube 14 through the side connection flange 12, each connection sealing cover is connected to the same detection tube, the pressure gauge is arranged on the detection tube, the side connection flange 12 is further connected with the air-breathing sampling branch tube 16 connected in parallel with the detection tube, and the air-breathing sampling branch tube 16 on each connection sealing cover 13 is connected to the air-breathing sampling main tube 25, during sampling, the vacuum suction mechanism is used for vacuumizing each gas sample gas collecting bottle 86, then the gas sample is automatically sucked into the gas sample gas collecting bottle 86 by using the suction sampling main pipe 25, and the sealing cover can trigger the self-locking function of the gas sample gas collecting bottle 86 by screwing and unscrewing.
Wherein, each of the branch pipes 16 is provided with a branch valve 26 for air sample suction, and the main pipe 25 for air sample suction is provided with a main valve for air sample suction.
The gas sample detection and release mechanism comprises a lower connecting flange 20, a lower release pipe 21, a lower communicating pipe 22 and a release main pipe 18, wherein each bottom end of the gas sample gas collecting bottle 86 is provided with a gas sample release flange disc 19, the gas sample release flange disc 19 is connected with the lower connecting flange 20, the lower connecting flange 20 is connected with the lower release pipe 21, each lower release pipe is communicated with the lower communicating pipe 22, and each lower release pipe is connected with the release main pipe 18.
The master control valve 17 is arranged on the main release pipe 18, a gas sample release control valve 24 is arranged between each lower release pipe and the main release pipe 18, and a communication control valve 23 is further arranged on the lower communication pipe.
The vacuum suction mechanism comprises a machine shell 1 and an air outlet pipe 3, the middle part of the top end of the machine shell 1 is in locking connection with a handle 2, the air outlet pipe 3 extends into the machine shell through a through hole in the left side of the top end of the machine shell 1, a display screen 4 is embedded in the left side of the front end of the machine shell 1, a power supply interface 5 and a controller 6 are respectively embedded in the left side and the right side of the front end of the machine shell 1, an air guide pipe 7 extends into the right end of the machine shell 1, the right end of the air guide pipe 7 is locked with an air exhaust device 8, and the; the air extractor 8 comprises a supporting plate 81, a connecting pipe 82, an internal thread 83, an air pipe 84 and an air outlet pipe 85, the bottom end of the supporting plate 81 is locked with the connecting pipe 82, the air pipe 84 is arranged in the middle of the connecting pipe 82, the top end of the air pipe 84 is in threaded connection with the supporting plate 81, the bottom of the right end of the air guide pipe 7 penetrates through the supporting plate 81 and extends into the connecting pipe 82, the inside of the connecting pipe 82 is in threaded connection with a gas sample gas collection bottle 86 through the internal thread 83, and the left end of the supporting plate 81 is in locking connection with the.
The middle part in the machine shell 1 is in locking connection with a vacuum air pump 9, ports at the left end and the right end of the vacuum air pump 9 are in threaded connection with an air outlet pipe 3 and an air guide pipe 7 respectively, the middle part of the air outlet pipe 3 is in locking connection with a flow sensor 10, and the display screen 4, the power supply interface 5 and the vacuum air pump 9 are electrically connected with a controller 6 respectively.
Gas appearance gas collection bottle 86 comprises bottle 861, connector 862, external screw thread 863 and open-close board 864, the bottle 861 top is provided with connector 862, the connector 862 outer wall is provided with the external screw thread, the inside bottom of connector 862 is rotated with open-close board 864 and is connected, the connector 862 top is through carrying out the screw thread locking with the internal thread 83 in the connecting pipe 82 by external screw thread 863.
The opening plate 864 is composed of a first sealing plate 8641, a second sealing plate 8642, a rotating plate 8643, a rotating shaft 8644 and a torsion spring 8645, the first sealing plate 8641 and the second sealing plate 8642 are respectively embedded into the top end inside the connector 862, the left end of the first sealing plate 8641 and the right end of the second sealing plate 8642 are both provided with the rotating plate 8643, the rotating plate 8643 is rotatably connected with the connector 862 through the rotating shaft 8644, the torsion spring 8645 is sleeved on the outer side of the rotating shaft 8644, and support rods at two ends of the torsion spring 8645 respectively support the bottom ends of the first sealing plate 8641 and the connector 862, and the first sealing plate 8641 and the second sealing plate 8642 can be screwed and unscrewed through the sealing covers to be triggered and pushed.
The connector 862 is provided at an inner top end thereof with a limiting plate, the first sealing plate 8641 and the second sealing plate 8642 are semicircular and symmetrically arranged, a joint of the first sealing plate 8641 and the second sealing plate 8642 is provided with a sealing rubber, and rotation angles of torsion springs 8645 of the first sealing plate 8641 and the second sealing plate 8642 are counterclockwise rotation and clockwise rotation, respectively.
The invention connects the upper ends of at least two gas sample gas-collecting bottles in parallel by adopting the sample bottle air-extracting connecting mechanism so as to ensure that the gas sample gas-collecting bottles are communicated with each other, thus effectively realizing the mixing of the gas in the gas-collecting bottles collected in the same area when detecting and sampling, improving the uniformity of the internal gas sample, and only needing to vacuumize each gas sample gas-collecting bottle when detecting and sampling, then utilizing the sample bottle air-extracting connecting mechanism of the gas sample gas-collecting bottle to absorb the gas sample, and when detecting and sampling, the gas sample detecting and releasing mechanism can be connected with a gas sample detecting device or a gas sample detecting collector to realize the sampling detection of the gas sample, and the upper end opening of the gas sample gas-collecting bottle has the self-locking sealing function, effectively improving the convenience and precision of the gas sample absorption and sampling, preventing the leakage and other problems, the invention improves the accuracy of the detected data, prevents the problem of inaccurate detection caused by accidental factors, and avoids the problems of leakage of the atmospheric sample in the gas sample gas-collecting bottle and air intake to the inner side after vacuumizing by arranging the open plate at the joint at the top end of the gas sample gas-collecting bottle and automatically closing and sealing the connector at the top end of the gas sample gas-collecting bottle by the open plate when the gas sample gas-collecting bottle is taken down.
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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An environment detection sampling device comprises a vacuum suction mechanism, a plurality of gas sample gas collection bottles (86), a sample bottle suction connecting mechanism and a gas sample detection releasing mechanism, wherein each gas sample gas collection bottle (86) is detachably connected with the suction end of the vacuum suction mechanism so as to suck the gas sample gas collection bottles (86), the environment detection sampling device is characterized in that the upper ends of at least two gas sample gas collection bottles (86) are connected together in parallel by adopting the sample bottle suction connecting mechanism so as to enable the gas sample gas collection bottles (86) to be communicated with each other, the lower ends of at least two gas sample gas collection bottles (86) are connected together by adopting the gas sample detection releasing mechanism, the sample bottle suction connecting mechanism is at least provided with a pressure gauge (15) for displaying the internal air pressure of the gas sample gas collection bottles (86), and the gas sample detection releasing mechanism can be connected with a gas sample detection device or a gas sample detection collector, and the gas sample detection and release mechanism is provided with a gas sample release control valve (24) for independently controlling each gas sample gas collecting bottle (86), the gas sample detection and release mechanism is also provided with a master control valve (17) for integrally controlling the release condition of the released gas sample, the upper end opening and the lower end opening of each gas sample gas collecting bottle (86) can be locked and sealed, and the upper end opening of each gas sample gas collecting bottle (86) has a self-locking sealing function.
2. The environmental monitoring sampling device of claim 1, wherein: the sample bottle air-extracting connecting mechanism comprises a connecting sealing cover (13), a locking flange (11), a side connecting flange (12), a detection pipe (14), an air-breathing sampling branch pipe (16) and an air-breathing sampling main pipe (25), wherein the top of each gas sample gas collecting bottle (86) can be provided with the connecting sealing cover in a threaded sealing manner, the top of the connecting sealing cover is provided with the locking flange which locks the connecting sealing cover at the upper end of the gas sample gas collecting bottle, the side part of the connecting sealing cover is communicated with the detection pipe (14) through the side connecting flange (12), each connecting sealing cover is connected onto the same detection pipe, a pressure gauge is arranged on the detection pipe, the side connecting flange (12) is also connected with the air-breathing sampling branch pipe (16) which is connected with the detection pipe in parallel, and each air-breathing sampling branch pipe (16) on the connecting sealing cover (13) is connected to the air-breathing sampling main pipe (25), during sampling, the vacuum suction mechanism is used for vacuumizing each gas sample gas-collecting bottle (86), then the gas sample is automatically sucked into the gas sample gas-collecting bottle (86) by using the suction sampling main pipe (25), and the sealing cover can trigger the self-locking function of the gas sample gas-collecting bottle (86) by screwing and unscrewing.
3. The environmental monitoring sampling device of claim 2, wherein: every it breathes in all is provided with gas appearance branch valve (26) of breathing in on sampling branch pipe (16), it breathes in main pipe (25) and is provided with the gas appearance and breathes in the main valve to breathe in.
4. The environmental monitoring sampling device of claim 1, wherein: the gas sample detection and release mechanism comprises a lower connecting flange (20), a lower release pipe (21), a lower communicating pipe (22) and a release main pipe (18), wherein each gas sample gas collecting bottle (86) is provided with a gas sample release flange (19) at the bottom end, the gas sample release flange (19) is connected with the lower connecting flange (20), the lower connecting flange (20) is connected with the lower release pipe (21), each gas sample detection and release mechanism is characterized in that the lower release pipe is connected with the lower communicating pipe (22), and each lower release pipe is connected with the release main pipe (18).
5. The environmental monitoring sampling device of claim 4, wherein: the master control valve (17) is arranged on the main release pipe (18), a gas sample release control valve (24) is arranged between each lower release pipe and the main release pipe (18), and a communication control valve (23) is further arranged on the lower communication pipe.
6. The environmental monitoring sampling device of claim 5, wherein: the vacuum suction mechanism comprises a machine shell (1) and an air outlet pipe (3), the middle of the top end of the machine shell (1) is in locking connection with a handle (2), the air outlet pipe (3) extends into the machine shell through a through hole in the left side of the top end of the machine shell (1), a display screen (4) is embedded in the left side of the front end of the machine shell (1), a power supply interface (5) and a controller (6) are respectively embedded in the left side and the right side of the front end of the machine shell (1), an air guide pipe (7) extends into the right end of the machine shell (1), the right end of the air guide pipe (7) is locked with an air exhaust device (8), and the left end of the air exhaust device (; air exhaust device (8) comprises backup pad (81), connecting pipe (82), internal thread (83), trachea (84), outlet duct (85), backup pad (81) bottom and connecting pipe (82) carry out the lock solid, the middle part is provided with trachea (84) in connecting pipe (82), and trachea (84) top and backup pad (81) carry out threaded connection, air duct (7) right-hand member bottom runs through backup pad (81) and stretches into in connecting pipe (82), connecting pipe (82) inside carries out threaded connection through internal thread (83) and gas appearance gas collection bottle (86), backup pad (81) left end and casing (1) carry out the lock solid and are connected.
7. The environmental monitoring sampling device of claim 6, wherein: the air pump is characterized in that the middle in the casing (1) is in locking connection with a vacuum air pump (9), ports at the left end and the right end of the vacuum air pump (9) are in threaded connection with an air outlet pipe (3) and an air guide pipe (7) respectively, the middle of the air outlet pipe (3) is in locking connection with a flow sensor (10), and the display screen (4), the power supply interface (5) and the vacuum air pump (9) are electrically connected with a controller (6) respectively.
8. The environmental monitoring sampling device of claim 6, wherein: gas appearance gas collecting bottle (86) comprise bottle (861), connector (862), external screw thread (863) and open close plate (864), bottle (861) top is provided with connector (862), connector (862) outer wall is provided with the external screw thread, the inside bottom of connector (862) rotates with open close plate (864) and is connected, thread locking is carried out through internal thread (83) in external screw thread (863) and connecting pipe (82) on connector (862) top.
9. The environmental monitoring sampling device of claim 8, wherein: the opening plate (864) comprises a first sealing plate (8641), a second sealing plate (8642), a rotating plate (8643), a rotating shaft (8644) and a torsion spring (8645), wherein the first sealing plate (8641) and the second sealing plate (8642) are embedded into the top end inside the connector (862) respectively, the left end of the first sealing plate (8641) and the right end of the second sealing plate (8642) are both provided with the rotating plate (8643), the rotating plate (8643) is rotatably connected with the connector (862) through the rotating shaft (8644), the torsion spring (8645) is sleeved on the outer side of the moving shaft (8644), supporting rods at the two ends of the torsion spring (8645) support the bottom ends of the first sealing plate (8641) and the connector (862) respectively, and the first sealing plate (8641) and the second sealing plate (8642) can be triggered and pushed through screwing and unscrewing.
10. The environmental monitoring sampling device of claim 9, wherein: the utility model discloses a joint, including connector (862), first closing plate (8641) and second closing plate (8642), the inside top of connector (862) is provided with the limiting plate, first closing plate (8641) and second closing plate (8642) are semicircle form and symmetry setting, and first closing plate (8641) and second closing plate (8642) junction are provided with sealing rubber, the turned angle of torsional spring (8645) of first closing plate (8641) and second closing plate (8642) is anticlockwise rotation and clockwise rotation respectively.
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| CN202010151660.5A CN111272499B (en) | 2020-03-06 | 2020-03-06 | Environment measuring sampling device |
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| CN202010151660.5A CN111272499B (en) | 2020-03-06 | 2020-03-06 | Environment measuring sampling device |
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| CN113341327A (en) * | 2021-08-09 | 2021-09-03 | 江苏无恙半导体科技有限公司 | Handheld electronic device for measuring electrical variable and method for measuring electrical variable of battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341327A (en) * | 2021-08-09 | 2021-09-03 | 江苏无恙半导体科技有限公司 | Handheld electronic device for measuring electrical variable and method for measuring electrical variable of battery |
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| CN111272499B (en) | 2022-06-10 |
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