CN114002026A - Externally-hung gas sampling probe for vehicle-mounted gas detection instrument - Google Patents
Externally-hung gas sampling probe for vehicle-mounted gas detection instrument Download PDFInfo
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- CN114002026A CN114002026A CN202111328132.3A CN202111328132A CN114002026A CN 114002026 A CN114002026 A CN 114002026A CN 202111328132 A CN202111328132 A CN 202111328132A CN 114002026 A CN114002026 A CN 114002026A
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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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
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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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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Abstract
The invention discloses an externally-hung gas sampling probe for a vehicle-mounted gas detection instrument, which comprises a probe shell, a front-end dust filter, a rear-end dust filter, a gas circuit switching structure and a controller, wherein the front-end dust filter, the rear-end dust filter, the gas circuit switching structure and the controller are arranged in the probe shell; the gas circuit switching structure comprises a forward conducting channel and a reverse purifying channel which can be switched; the controller is connected with the gas path switching structure to control the conduction of the forward conduction channel or the reverse purification channel; when the forward conduction channel is conducted, the environmental gas to be sampled sequentially passes through the front-end dust filter, a cache space formed inside the probe shell, the forward conduction channel and the rear-end dust filter to complete the collection; when the reverse purification channel is conducted, the environmental gas to be produced sequentially passes through the rear-end dust filter, the reverse purification channel, the filter, the cache space and the front-end dust filter to discharge residual gas in the cache space; compared with the prior art, the invention can collect clean environmental gas to be sampled.
Description
Technical Field
The invention relates to the technical field of sampling probes, in particular to an externally-hung gas sampling probe for a vehicle-mounted gas detection instrument.
Background
The gas that gas detection instrument detected is mostly the gas that has the toxicity and harm, and the sampling gas circuit to on-vehicle gas detection instrument is closed, does not contact with the interior gas phase of car, generally places gas detection instrument in the car, and installs gas sampling probe outside the car and accomplishes the sampling of gas.
Application number is 201820288163.8's patent document discloses a sampling probe for on-vehicle gas detector, including probe filter screen, probe heater and inside gas circuit, the probe filter screen is located the sampling probe front end, it is surperficial unevenness's network structure for gather the sample that awaits measuring, probe heater is located probe filter screen is inboard, is used for heating gasification the sample that probe filter screen gathered, probe heater circular cross section middle part is equipped with and link up the round hole, inside gas circuit sets up just stretches out in probe heater's the central round hole probe heater's one end.
The sampling probe for the vehicle-mounted gas detector is used for sampling gas outside a vehicle, and when the sampling probe for the vehicle-mounted gas detector is used in cooperation with the vehicle-mounted gas detector, if the environment gas detected last time is remained in an internal gas circuit, the remained environment gas is not discharged, and the environment gas is directly collected by using the sampling probe for the vehicle-mounted gas detector, the remained environment gas in the internal gas circuit is guided into the vehicle-mounted gas detector for detection, so that a certain influence is caused on a detection result, and the detection result is inaccurate.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an externally-hung gas sampling probe for a vehicle-mounted gas detection instrument, so as to solve the problem that the residual environmental gas cannot be discharged to pollute the collected environmental gas and cause inaccurate detection result in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: an externally-hung gas sampling probe for a vehicle-mounted gas detection instrument comprises a probe shell, and a front-end dust filter, a rear-end dust filter, a gas circuit switching structure and a controller which are arranged in the probe shell;
the gas circuit switching structure comprises a forward conducting channel and a reverse purifying channel which can be switched;
the controller is connected with the gas path switching structure to control the conduction of the forward conduction channel or the reverse purification channel;
when the forward conduction channel is conducted, the environmental gas to be sampled sequentially passes through the front-end dust filter, a cache space formed inside the probe shell, the forward conduction channel and the rear-end dust filter to complete the collection;
when the reverse purification channel is conducted, the to-be-mined environmental gas sequentially passes through the rear-end dust filter, the reverse purification channel, the filter, the cache space and the front-end dust filter to discharge residual gas in the cache space.
Compared with the prior art, the invention has the following beneficial effects:
when the device is used, the reverse purification channel is firstly conducted through the controller, the to-be-mined environmental gas is introduced from the exhaust port of the rear-end dust filter, dust in the to-be-mined environmental gas is filtered through the rear-end dust filter, and then residual gas in the cache space is replaced through the reverse purification channel, the filter, the cache space and the front-end dust filter in sequence; the filter is arranged in the backflushing system to obtain clean gas to enter the cache space, the residual gas in the cache space is replaced, and the clean gas in the cache space has no influence on detection; then switching to enable the forward conduction channel to be conducted, collecting the to-be-sampled environmental gas at an air inlet of the front-end dust filter, filtering dust in the to-be-sampled environmental gas through the front-end dust filter, then entering a cache space, passing through the forward conduction channel, entering the rear-end dust filter to filter the dust again, and then discharging to perform subsequent detection; the cleanliness of the gas in the environment to be sampled is improved, and the data detection of the gas in the environment to be sampled can be accurate.
Drawings
FIG. 1 is a schematic diagram illustrating a switching principle according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a filter according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a front end filter or a rear end filter according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an internal heating structure according to an embodiment of the invention.
Reference numerals in the drawings of the specification include: the probe comprises a probe cover 1, a probe base 2, an internal heating structure 3, a heating sheet 301, a temperature sensor 302, a dust filter 4, a pull ring 401, a dust filter upper cover 402, a filter screen outer net 403, a folding filter screen 404, a filter screen inner net 405, a dust filter lower cover 406, a filter 5, an O-shaped ring 501, a filter air inlet cover 502, a top filter screen 503, a filter outer wall 504, an air inlet pipe 505, a bottom filter screen 506, a filter tail cover 507, an air path switching structure 6 and an aviation plug circuit board 7.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
as shown in fig. 1 and fig. 2, an embodiment of the present invention provides an externally-mounted gas sampling probe for a vehicle-mounted gas detection instrument, including a probe housing, and a front end dust filter 4, a filter 5, a rear end dust filter 4, a gas path switching structure 6 and a controller that are disposed in the probe housing;
the gas circuit switching structure 6 comprises a switchable forward conducting channel and a switchable reverse purifying channel;
the controller is connected with the gas path switching structure 6 to control the conduction of the forward conduction channel or the reverse purification channel;
when the forward conduction channel is conducted, the environmental gas to be sampled sequentially passes through the front-end dust filter 4, a cache space formed inside the probe shell, the forward conduction channel and the rear-end dust filter 4 to complete the collection;
when the reverse purification channel is conducted, the to-be-mined environmental gas sequentially passes through the rear-end dust filter 4, the reverse purification channel, the filter 5, the buffer space and the front-end dust filter 4 to discharge residual gas in the buffer space.
When the device is used, the reverse purification channel is firstly conducted through the controller, the to-be-mined environmental gas is introduced from the exhaust port of the rear-end dust filter 4, the dust in the to-be-mined environmental gas is filtered through the rear-end dust filter 4, and then the residual gas in the cache space is replaced through the reverse purification channel, the filter 5, the cache space and the front-end dust filter 4 in sequence; the filter 5 is arranged in the backflushing system to obtain clean gas to enter the buffer space, and to replace residual gas in the buffer space, and the buffer space is filled with clean gas, so that detection is not affected; then switching to enable the forward conduction channel to be conducted, collecting the to-be-sampled environmental gas at an air inlet of the front-end dust filter 4, filtering dust in the to-be-sampled environmental gas through the front-end dust filter 4, then entering a cache space, passing through the forward conduction channel, entering the rear-end dust filter 4 for dust filtration again, and then discharging to perform subsequent detection; the cleanliness of the gas in the environment to be sampled is improved, and the data detection of the gas in the environment to be sampled can be accurate.
In the embodiment, the probe shell comprises a probe cover 1 and a probe base 2 which are connected, and the probe cover 1 and the probe base 2 are connected in a threaded manner, so that the assembly, disassembly and maintenance are convenient; the bottom of the probe base 2 is of a flange structure, so that the externally-hung gas sampling probe can be conveniently installed outside a vehicle or detached; the controller is an existing aerial plug circuit board 7, and the aerial plug circuit board 7 is connected with an aerial plug installation interface on the probe base 2 in an inserting mode.
As shown in fig. 1, according to another embodiment of the present invention, the gas path switching structure 6 includes two-position three-way control valves arranged in series, the two-position three-way control valves are all electrically connected to the controller, a gas inlet of one of the two-position three-way control valves is communicated with the rear-end dust filter 4, a gas inlet of the other one of the two-position three-way control valves is communicated with the buffer space, the filter 5 is connected between first gas outlets of the two-position three-way control valves for communication, and a second gas outlet of the two-position three-way control valves is directly communicated.
In this embodiment, each three-way control valve includes an air inlet, a first air outlet and a second air outlet; the two-position three-way control valve is connected with the cache space and the rear-end dust filter 4 in the manner, when the filter 5 is not conducted through the controller and the rear-end dust filter 4 is conducted with the cache space through the two-position three-way control valve, the two-position three-way control valve is in forward conduction channel conduction and is used during sampling; when the filter 5 is conducted by the controller and the two-position three-way control valve conducts the rear-end dust filter 4 and the cache space, the two-position three-way control valve is in reverse purification channel conduction to introduce clean gas into the cache space to replace the gas remained in the cache space.
The installation position of the filter 5 fully saves space, increases the filtering volume and prolongs the service life of the filter 5.
The two-position three-way control valve is an electromagnetic control valve.
As shown in fig. 3, according to another embodiment of the present invention, the externally-hung gas sampling probe for a vehicle-mounted gas detection apparatus includes a housing, a top filter 503 and a bottom filter 506 disposed in the housing, and an air inlet pipe 505 disposed in the housing, where the housing is divided into three independent and linearly-disposed filter chambers by the top filter 503 and the bottom filter 506, the air inlet pipe 505 traverses through the three filter chambers and has one end communicated with one filter chamber located at an end thereof, the other end of the air inlet pipe 505 is communicated with one end of a reverse purge channel, and a side wall of the filter chamber located at the other end thereof is provided with an air vent hole for connecting with the other end of the reverse purge channel.
In the present embodiment, the air inlet pipe 505 may be a steel pipe, but is not limited thereto; specifically, the air inlet pipe 505 is connected with a three-way control valve connected with the rear-end dust filter 4, and air enters the rear-end dust filter 4 to be filtered to remove dust, enters the three-way control valve connected with the rear-end dust filter 4, is guided into a filter cavity communicated with the rear-end dust filter through the air inlet pipe 505, sequentially passes through the bottom filter screen 506 and the top filter screen 503 to be subjected to secondary filtration, and is exhausted from an exhaust hole; specifically, the clean gas discharged from the exhaust hole enters the cache space through another three-way control valve, the residual gas in the cache space is replaced, and the residual gas replaced in the cache space enters the front-end dust filter 4 to be subjected to dust removal and filtration and then is discharged.
Specifically, the shell that adopts is including the filter 5 outer wall that is the tube-shape, connect at the filter 5 tail-hood of filter 5 outer wall one end and connect the filter 5 lid of admitting air at the filter 5 outer wall other end, and bottom filter screen 506 is located between filter 5 outer wall and the filter 5 tail-hood, and top filter screen 503 sets up in filter 5 lid of admitting air, and the exhaust hole is seted up on filter 5 lid lateral wall of admitting air.
The outer shell is designed to comprise the outer wall of the filter 5, the tail cover of the filter 5 and the air inlet cover of the filter 5, and the outer wall of the filter 5 and the tail cover of the filter 5 and the outer wall of the air inlet cover of the filter 5 and the outer wall of the filter 5 are connected in a plugging mode and then locked and fixed, so that the outer shell is convenient to detach or install.
Further, the filter 5 that adopts is admitted air and is covered including the portion of admitting air that is the tube-shape and the connecting portion that links to each other with the portion of admitting air, and the portion of admitting air one end opening and the other end are sealed, and connecting portion also are the tube-shape and its one end is pegged graft and is fixed in filter 5 outer wall, and the other end extends the back to its inboard and links to each other with the open end of the portion of admitting air, and the exhaust hole is seted up on the portion of admitting air lateral wall.
In this embodiment, the gas inlet and outlet portion is connected to the connecting portion in such a manner that the gas inlet and outlet portion is a small end compared to the connecting portion, which facilitates stable assembly of the filter 5 to the mounting groove in the probe housing; the arrangement mode of the air inlet pipe 505 in the filter 5 is to form air inlet and outlet at one side of the air inlet and outlet part, so that the filter 5 is conveniently connected and communicated with the two-position three-way control valve after being assembled in the probe shell; and the air inlet and outlet part is sleeved with two OO-shaped rings 501, and the two OO-shaped rings 501 are positioned on different sides of the exhaust hole so as to ensure the sealing performance of the filter 5 when the filter is installed in the probe shell.
To further enhance the filtering effect of the filter 5, the housing is filled with a filter medium, which may be activated carbon, between the top filter mesh 503 and the bottom filter mesh 506.
As shown in fig. 4, according to another embodiment of the present invention, the externally-hung gas sampling probe for a vehicle-mounted gas detection instrument, wherein the front end dust filter 4 and the rear end dust filter 4 have the same structure, and each of the front end dust filter 4 and the rear end dust filter 4 includes two end caps of the dust filter 4, and a filter inner net 405 and a filter outer net 403 connected between the two end caps of the dust filter 4, and a folded filter net 404 located between the two end caps of the dust filter 4 is disposed between the filter inner net 405 and the filter outer net 403; three dust filtering cavities are formed in the inner filter screen net 405, the folding filter screen 404 and the outer filter screen net 403 from inside to outside, and an air inlet communicated with the inner dust filtering cavity is formed in the end cover of one dust filter 4.
In this embodiment, the filter screen inner net 405 and the filter screen outer net 403 are both cylindrical, and the folded filter screen 404 is a cylindrical structure formed by folding and connecting a filter screen for several times, and the cylindrical structure is formed with a plurality of protrusions distributed annularly due to folding; the folding filter screen 404 is designed to increase its filtering area; through the cooperation of the filter screen inner net 405, the folding filter screen 404 and the filter screen outer net 403, multi-stage filtration is formed in both the front-end dust filter 4 and the rear-end dust filter 4, so as to improve the dust removal effect; the gas introduced from the gas inlet is filtered in multiple stages and then discharged from the side wall of the front end dust filter 4 or the rear end dust filter 4; a filter shell for assembling the front-end dust filter 4 and the rear-end dust filter 4 is respectively arranged in the probe shell, or the filter shell is sleeved outside the filter screen outer net 403 and is connected between the end covers of the two dust filters 4, and an exhaust nozzle is arranged on the filter shell; and the filtered gas is discharged from the exhaust nozzle.
In order to conveniently take the front-end dust filter 4 and the rear-end dust filter 4, a pull ring 401 is rotatably connected to the outer wall of an end cover of one of the dust filters 4; the front end dust filter 4 or the rear end dust filter 4 can be conveniently mounted or dismounted by pulling the pull ring 401; in this embodiment, the pull ring 401 and the air inlet hole are located on different end covers of the dust filter 4; the two dust filters 4 are respectively an upper cover of the dust filter 4 and a lower cover of the dust filter 4 in the embodiment.
According to another embodiment of the invention, as shown in fig. 5, the external hanging type gas sampling probe for the vehicle-mounted gas detection instrument is provided, wherein the internal heating structure 3 is arranged in the buffer space, the internal heating structure 3 comprises a heating plate 301 and a temperature sensor 302 which are arranged in the buffer space, and both the heating plate 301 and the temperature sensor 302 are connected with the controller.
When the temperature sensor 302 detects that the temperature in the buffer space is too low, the temperature is fed back to the controller to start the heating plate 301 later, and the temperature in the buffer space is increased to ensure that the gas sampling can be completed under the low-temperature condition.
The heating plate 301 is specifically bonded on the inner wall of the probe base 2, and the temperature sensor 302 is bonded at the middle position of the inner wall of the probe base 2 through heat-conducting silicone grease, so that the internal temperature of the probe can be accurately measured.
As shown in fig. 2, according to another embodiment of the present invention, the front end dust filter 4 is connected to a buffer space through an air inlet socket, and an air outlet socket connected to a forward conducting channel or a reverse purifying channel is disposed in the buffer space.
In this embodiment, the outlet socket is specifically assembled and connected with the three-way control valve, and the front-end dust filter 4 and the three-way control valve are conveniently and quickly assembled through the inlet socket and the outlet socket.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. An externally-hung gas sampling probe for a vehicle-mounted gas detection instrument is characterized by comprising a probe shell, a front-end dust filter, a rear-end dust filter, a gas circuit switching structure and a controller, wherein the front-end dust filter, the rear-end dust filter, the gas circuit switching structure and the controller are arranged in the probe shell;
the gas circuit switching structure comprises a forward conducting channel and a reverse purifying channel which can be switched;
the controller is connected with the gas path switching structure to control the conduction of the forward conduction channel or the reverse purification channel;
when the forward conduction channel is conducted, the environmental gas to be sampled sequentially passes through the front-end dust filter, a cache space formed inside the probe shell, the forward conduction channel and the rear-end dust filter to complete the collection;
when the reverse purification channel is conducted, the to-be-mined environmental gas sequentially passes through the rear-end dust filter, the reverse purification channel, the filter, the cache space and the front-end dust filter to discharge residual gas in the cache space.
2. An externally-mounted gas sampling probe for a vehicle-mounted gas detection instrument according to claim 1, wherein: the gas circuit switching structure comprises two three-way control valves which are arranged in series, the two three-way control valves are electrically connected with the controller, a gas inlet of one three-way control valve is communicated with the rear-end dust filter, a gas inlet of the other three-way control valve is communicated with the cache space, the filter is connected between first gas outlets in the two three-way control valves to be communicated, and a second gas outlet in the two three-way control valves is directly communicated.
3. An externally-mounted gas sampling probe for a vehicle-mounted gas detection instrument according to claim 1, wherein: the filter comprises a shell, a top filter screen and a bottom filter screen which are arranged in the shell, and an air inlet pipe which is arranged in the shell, wherein the top filter screen and the bottom filter screen divide the shell into three independent and linearly arranged filter cavities, the air inlet pipe penetrates through the three filter cavities and then one end of the air inlet pipe is communicated with one filter cavity positioned at the end, the other end of the air inlet pipe is communicated with one end of a reverse purification channel, and an exhaust hole which is used for being connected with the other end of the reverse purification channel is formed in the side wall of the filter cavity positioned at the other end.
4. An externally-mounted gas sampling probe for a vehicle-mounted gas detection instrument according to claim 3, wherein: the shell is including the filter outer wall that is the tube-shape, connect the filter tail-hood at filter outer wall one end and connect the filter lid of admitting air at the filter outer wall other end, and the bottom filter screen is located between filter outer wall and the filter tail-hood, and the top filter screen sets up in the filter lid of admitting air, and the exhaust hole is seted up on filter lid lateral wall of admitting air.
5. An externally-mounted gas sampling probe for a vehicle-mounted gas detection instrument according to claim 4, wherein: the filter air inlet cover comprises a cylindrical air inlet and outlet portion and a connecting portion connected with the air inlet and outlet portion, one end of the air inlet and outlet portion is open, the other end of the air inlet and outlet portion is sealed, the connecting portion is cylindrical, one end of the connecting portion is fixedly connected into the outer wall of the filter in an inserting mode, the other end of the connecting portion extends towards the inner side of the connecting portion and then is connected with the open end of the air inlet and outlet portion, and the exhaust hole is formed in the side wall of the air inlet and outlet portion.
6. An externally-mounted gas sampling probe for a vehicle-mounted gas detection instrument according to claim 1, wherein: the buffer memory space is internally provided with an internal heating structure, the internal heating structure comprises a heating plate and a temperature sensor which are arranged in the buffer memory space, and the heating plate and the temperature sensor are both connected with the controller.
7. An externally-mounted gas sampling probe for a vehicle-mounted gas detection instrument according to claim 1, wherein: the front-end dust filter and the rear-end dust filter are identical in structure and respectively comprise two dust filter end covers, a filter screen inner net and a filter screen outer net which are connected between the two dust filter end covers, and a folding filter screen positioned between the two dust filter end covers is arranged between the filter screen inner net and the filter screen outer net; the filter screen inner net, the folding filter screen and the filter screen outer net are provided with three dust filtering cavities from inside to outside, and one dust filter end cover is provided with an air inlet communicated with the dust filtering cavity at the inner side.
8. An externally-mounted gas sampling probe for a vehicle-mounted gas detection instrument according to claim 7, wherein: and the outer wall of one of the dust filter end covers is rotatably connected with a pull ring.
9. An externally-mounted gas sampling probe for a vehicle-mounted gas detection instrument according to claim 1, wherein: the front-end dust filter is communicated with the cache space by adopting an air inlet socket, and an air outlet socket communicated with the forward conduction channel or the reverse purification channel is arranged in the cache space.
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| CN202111328132.3A CN114002026B (en) | 2021-11-10 | 2021-11-10 | Externally-hung gas sampling probe for vehicle-mounted gas detection instrument |
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| CN202111328132.3A CN114002026B (en) | 2021-11-10 | 2021-11-10 | Externally-hung gas sampling probe for vehicle-mounted gas detection instrument |
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| CN114002026B CN114002026B (en) | 2022-12-06 |
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Citations (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2289899A1 (en) * | 1974-10-28 | 1976-05-28 | British Steel Corp | PROCESS AND INSTALLATION FOR TAKING A SAMPLE OF A GAS AND ANALYZING IT, ESPECIALLY IN OXYDERURGIE |
| JPS58179337A (en) * | 1982-04-15 | 1983-10-20 | Agency Of Ind Science & Technol | Collecting apparatus of dust and mist in waste gas |
| DE3611700A1 (en) * | 1986-04-08 | 1987-10-15 | Hoelter Heinz | Process for cleaning off a hot gas filter |
| DE3708504A1 (en) * | 1987-03-16 | 1988-09-29 | Siemens Ag | DEVICE FOR DIVIDING THE GAS CHROMATOGRAPHIC ANALYSIS |
| SU1624311A1 (en) * | 1988-06-15 | 1991-01-30 | Опытно-конструкторское бюро тонкого биологического машиностроения | Aerosol sampler |
| WO1995020165A1 (en) * | 1994-01-24 | 1995-07-27 | Olin Corporation | Analyzer for monitoring volatile contaminants in liquid streams |
| JP2000019081A (en) * | 1998-07-03 | 2000-01-21 | Nippon Mining & Metals Co Ltd | Sampling device for measuring constituent of exhaust gas |
| JP2000088718A (en) * | 1998-09-11 | 2000-03-31 | Daicel Chem Ind Ltd | Method for pretreating sample gas for gas analyzer |
| JP2000171358A (en) * | 1998-12-02 | 2000-06-23 | Shimadzu Corp | Gas analyzer |
| US6293161B1 (en) * | 1998-05-12 | 2001-09-25 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust gas sampling apparatus |
| DE10101219A1 (en) * | 2001-01-12 | 2002-07-25 | Wap Reinigungssysteme | Vacuum cleaner with valve-controlled filter parts uses three-way electromagnetic valve with rod-mounted valve disks to slam suction chamber shut to pass turbine underpressure to filter chamber for radially outward blow-clean. |
| JP2003014713A (en) * | 2001-07-05 | 2003-01-15 | Nec Corp | Gas-component autoanalyzer |
| US20030110871A1 (en) * | 2001-12-13 | 2003-06-19 | Xerox Corporation | System and processes for particulate analysis |
| JP2004108255A (en) * | 2002-09-18 | 2004-04-08 | Mitsubishi Fuso Truck & Bus Corp | Exhaust emission control device of internal combustion engine |
| JP2009198224A (en) * | 2008-02-19 | 2009-09-03 | Sumika Chemical Analysis Service Ltd | Gas collector |
| CN203643216U (en) * | 2013-12-30 | 2014-06-11 | 重庆市荣冠科技有限公司 | Washing device for gas detection probe |
| JP2016057146A (en) * | 2014-09-09 | 2016-04-21 | 大陽日酸株式会社 | Sampling device, box mechanism, and method for sampling |
| CN106442890A (en) * | 2016-10-31 | 2017-02-22 | 江苏科华智能控制设备有限公司 | Multichannel rapid air changing double-pump type gas detecting device |
| CN107174881A (en) * | 2017-06-20 | 2017-09-19 | 利辛县飞达网业有限公司 | A kind of self- recoverage air filter |
| CN108318300A (en) * | 2018-02-28 | 2018-07-24 | 北京市北分仪器技术有限责任公司 | A kind of vehicle-mounted gas detector sampling probe |
| CN207816936U (en) * | 2018-02-26 | 2018-09-04 | 郑州跃创电子科技有限公司 | A kind of multifunctional gas detection gas path switching device |
| CN108489773A (en) * | 2018-03-14 | 2018-09-04 | 中国科学院过程工程研究所 | Sample collecting apparatus, system, method and storage medium |
| KR101991325B1 (en) * | 2019-01-03 | 2019-06-21 | (주)리가스 | Sample gas feeder for analyzer |
| CN111006919A (en) * | 2019-12-23 | 2020-04-14 | 农业农村部环境保护科研监测所 | Livestock and poultry breeding field gas multi-point on-line automatic acquisition system |
| CN211740770U (en) * | 2020-02-04 | 2020-10-23 | 包头海平面高分子工业有限公司九原分公司 | Sampling probe of calcium carbide furnace gas analyzer |
| CN211784624U (en) * | 2020-03-09 | 2020-10-27 | 江阴市中源环境仪器有限公司 | High-reliability continuous sampling probe |
| CN112213158A (en) * | 2020-09-28 | 2021-01-12 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Sampling pretreatment device and method for laser gas analyzer |
| CN112666109A (en) * | 2020-12-03 | 2021-04-16 | 中船重工安谱（湖北）仪器有限公司 | Optical detector for multi-component gas in closed or semi-closed space |
| CN213091492U (en) * | 2020-08-26 | 2021-04-30 | 青岛众瑞智能仪器股份有限公司 | Self-purification system of photometer |
| CN112857918A (en) * | 2021-01-30 | 2021-05-28 | 同济大学 | Mobile source tail gas particulate matter sampling device and method |
| CN213455605U (en) * | 2020-11-25 | 2021-06-15 | 郑州天之润能源科技有限公司 | Continuous monitoring system for smoke emission |
| CN214668004U (en) * | 2020-12-08 | 2021-11-09 | 广汽乘用车有限公司 | Tail gas sampling probe blowback device |
-
2021
- 2021-11-10 CN CN202111328132.3A patent/CN114002026B/en active Active
Patent Citations (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2289899A1 (en) * | 1974-10-28 | 1976-05-28 | British Steel Corp | PROCESS AND INSTALLATION FOR TAKING A SAMPLE OF A GAS AND ANALYZING IT, ESPECIALLY IN OXYDERURGIE |
| JPS58179337A (en) * | 1982-04-15 | 1983-10-20 | Agency Of Ind Science & Technol | Collecting apparatus of dust and mist in waste gas |
| DE3611700A1 (en) * | 1986-04-08 | 1987-10-15 | Hoelter Heinz | Process for cleaning off a hot gas filter |
| DE3708504A1 (en) * | 1987-03-16 | 1988-09-29 | Siemens Ag | DEVICE FOR DIVIDING THE GAS CHROMATOGRAPHIC ANALYSIS |
| SU1624311A1 (en) * | 1988-06-15 | 1991-01-30 | Опытно-конструкторское бюро тонкого биологического машиностроения | Aerosol sampler |
| WO1995020165A1 (en) * | 1994-01-24 | 1995-07-27 | Olin Corporation | Analyzer for monitoring volatile contaminants in liquid streams |
| US6293161B1 (en) * | 1998-05-12 | 2001-09-25 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust gas sampling apparatus |
| JP2000019081A (en) * | 1998-07-03 | 2000-01-21 | Nippon Mining & Metals Co Ltd | Sampling device for measuring constituent of exhaust gas |
| JP2000088718A (en) * | 1998-09-11 | 2000-03-31 | Daicel Chem Ind Ltd | Method for pretreating sample gas for gas analyzer |
| JP2000171358A (en) * | 1998-12-02 | 2000-06-23 | Shimadzu Corp | Gas analyzer |
| DE10101219A1 (en) * | 2001-01-12 | 2002-07-25 | Wap Reinigungssysteme | Vacuum cleaner with valve-controlled filter parts uses three-way electromagnetic valve with rod-mounted valve disks to slam suction chamber shut to pass turbine underpressure to filter chamber for radially outward blow-clean. |
| JP2003014713A (en) * | 2001-07-05 | 2003-01-15 | Nec Corp | Gas-component autoanalyzer |
| US20030110871A1 (en) * | 2001-12-13 | 2003-06-19 | Xerox Corporation | System and processes for particulate analysis |
| JP2004108255A (en) * | 2002-09-18 | 2004-04-08 | Mitsubishi Fuso Truck & Bus Corp | Exhaust emission control device of internal combustion engine |
| JP2009198224A (en) * | 2008-02-19 | 2009-09-03 | Sumika Chemical Analysis Service Ltd | Gas collector |
| CN203643216U (en) * | 2013-12-30 | 2014-06-11 | 重庆市荣冠科技有限公司 | Washing device for gas detection probe |
| JP2016057146A (en) * | 2014-09-09 | 2016-04-21 | 大陽日酸株式会社 | Sampling device, box mechanism, and method for sampling |
| CN106442890A (en) * | 2016-10-31 | 2017-02-22 | 江苏科华智能控制设备有限公司 | Multichannel rapid air changing double-pump type gas detecting device |
| CN107174881A (en) * | 2017-06-20 | 2017-09-19 | 利辛县飞达网业有限公司 | A kind of self- recoverage air filter |
| CN207816936U (en) * | 2018-02-26 | 2018-09-04 | 郑州跃创电子科技有限公司 | A kind of multifunctional gas detection gas path switching device |
| CN108318300A (en) * | 2018-02-28 | 2018-07-24 | 北京市北分仪器技术有限责任公司 | A kind of vehicle-mounted gas detector sampling probe |
| CN108489773A (en) * | 2018-03-14 | 2018-09-04 | 中国科学院过程工程研究所 | Sample collecting apparatus, system, method and storage medium |
| KR101991325B1 (en) * | 2019-01-03 | 2019-06-21 | (주)리가스 | Sample gas feeder for analyzer |
| CN111006919A (en) * | 2019-12-23 | 2020-04-14 | 农业农村部环境保护科研监测所 | Livestock and poultry breeding field gas multi-point on-line automatic acquisition system |
| CN211740770U (en) * | 2020-02-04 | 2020-10-23 | 包头海平面高分子工业有限公司九原分公司 | Sampling probe of calcium carbide furnace gas analyzer |
| CN211784624U (en) * | 2020-03-09 | 2020-10-27 | 江阴市中源环境仪器有限公司 | High-reliability continuous sampling probe |
| CN213091492U (en) * | 2020-08-26 | 2021-04-30 | 青岛众瑞智能仪器股份有限公司 | Self-purification system of photometer |
| CN112213158A (en) * | 2020-09-28 | 2021-01-12 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Sampling pretreatment device and method for laser gas analyzer |
| CN213455605U (en) * | 2020-11-25 | 2021-06-15 | 郑州天之润能源科技有限公司 | Continuous monitoring system for smoke emission |
| CN112666109A (en) * | 2020-12-03 | 2021-04-16 | 中船重工安谱（湖北）仪器有限公司 | Optical detector for multi-component gas in closed or semi-closed space |
| CN214668004U (en) * | 2020-12-08 | 2021-11-09 | 广汽乘用车有限公司 | Tail gas sampling probe blowback device |
| CN112857918A (en) * | 2021-01-30 | 2021-05-28 | 同济大学 | Mobile source tail gas particulate matter sampling device and method |
Non-Patent Citations (4)
| Title |
|---|
| ANDREW G. CLARKE: "Gas sampling and conditioning", 《INDUSTRIAL AIR POLLUTION MONITORING》 * |
| 刘国华 等: "车载机动车尾气测量系统高温尾气采样气路设计", 《大气与环境光学学报》 * |
| 张雪梅 等: "改进CO_CO_2气体分析系统", 《科技风》 * |
| 黄启勇 等: "基于氧化锆传感器的氧测量系统设计与实现", 《自动化与仪表》 * |
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