CN202204709U - Full-automatic multi-channel gas path switching atmospheric sampling device - Google Patents
Full-automatic multi-channel gas path switching atmospheric sampling device Download PDFInfo
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- CN202204709U CN202204709U CN2011202044754U CN201120204475U CN202204709U CN 202204709 U CN202204709 U CN 202204709U CN 2011202044754 U CN2011202044754 U CN 2011202044754U CN 201120204475 U CN201120204475 U CN 201120204475U CN 202204709 U CN202204709 U CN 202204709U
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Abstract
The utility model discloses a full-automatic multi-channel gas path switching atmospheric sampling device, which is widely applied in various atmospheric sampling systems, and comprises an atmospheric sampler (1), a closed multi-channel gas path switching device (4) and a control unit (5). The full-automatic multi-channel gas path switching atmospheric sampling device disclosed by the utility model can be widely applied in the field of the detection of environment air. According to the utility model, according to the working demands, by switching multi-channel gas path, the channels are controlled to be communicated or closed during the sampling process of the atmospheric sampler, and further, the sample acquisition time and sequence of each sampling channels can be controlled. The full-automatic multi-channel gas path switching atmospheric sampling device disclosed by the utility model has the advantages of small size, low energy consumption, and the like.
Description
Technical field
The utility model relates to a kind of fully-automatic multi-channel gas circuit and switches the atmospheric sampling device, is mainly used in the collection of various atmospheric samples.
Background technology
Along with rapid development of social economy; Human process of industrialization also obtains develop rapidly; But incident problem is the discharging of a large amount of " three wastes ", various harmful gases such as sulphuric dioxide in the air; Harmful gases such as oxynitrides have constituted important threat to human beings'health, and human living environment goes from bad to worse.The topmost function of fully-automatic multi-channel gas circuit switch sampling system is exactly to collect the gas that is discharged; And through gas experiment Analysis to being collected; Draw the composition and the content of the gas that is collected, thereby draw the conclusion that whether need need carry out harmless treatment institute's emission gases.
Existing multi-channel sampling system controls the conversion of a plurality of gas circuits through controlling a plurality of solenoid valves, and what passages are arranged, and then needs what solenoid valves, and each solenoid valve all will be switched on always when working.Its shortcoming is: volume is comparatively huge, and energy consumption is higher relatively.
The utility model content
The utility model has overcome existing technical disadvantages, provides a kind of fully-automatic multi-channel gas circuit to switch the atmospheric sampling device.
For addressing the above problem, the technical scheme of the utility model is: a kind of fully-automatic multi-channel gas circuit is switched the atmospheric sampling device and is comprised air sampler 1, rotary type multichannel gas circuit switching device shifter 4, control module 5.Air sampler is connected through the gas port of silicone tube with rotary type multichannel gas circuit switching device shifter, and another termination gas collecting device of air sampler is connected, the sampling instant that control module is provided with according to keyboard; Sampling channel; Sampling time, and, confirm the channel position of rotary type multichannel gas circuit switching device shifter through the signal that sensor is imported; Control electric motor starting and stop, the start and stop of control air sampler; Rotary type multichannel gas circuit switching device shifter has a plurality of air flues, and the rotation adjusting gas circuit is gathered different samples.
Rotary type multichannel gas circuit switching device shifter is by motor (7), and rotation gas circuit switching construction is formed.Selected motor (7) can be stepper motor, servomotor, common electric machine.A fixing anti-dazzling screen (6) on the motor shaft of common electric machine, and sensor (9) and anti-dazzling screen (6) direction are installed with parallel.
Rotary type multichannel gas circuit switching device shifter is by loam cake (11), outlet nozzle (14), shaft collar (15), lower cover (17); Admission piece (19), spring-loaded plunger (21), rotating disk (22) is formed; Loam cake (11) center has circular hole, is used for through motor shaft, and motor shaft is connected with rotating disk (22); Its four through holes that kept to the side all around are uniformly distributed with; Also have four groups not penetrate threaded hole, in order to fixation of sensor (9), it is blow-by when preventing this device work that screw thread does not penetrate.Being furnished with sealing shroud (23) at loam cake (11) central hole location, is sealing between motor shaft and the loam cake (11) when its effect is assurance work.Be sealing gasket (12) below the loam cake (11), the following of sealing gasket (12) is shaft collar (15).Loam cake (11) respectively is uniformly distributed with four threaded holes on sealing gasket (12) and the shaft collar (15), can it be fastened as one through screw (10); Shaft collar (15) has five holes all around, and wherein four holes are uniformly distributed with, and are venthole, and another hole is the middle of two ventholes therein, is air admission hole, and its effect is respectively and connects admission piece (19) and outlet nozzle (14).In the place of shaft collar (15) air inlet/outlet, four outlet nozzles (14) and an admission piece (19) are arranged, be the access way of the sample gas gathered.There is a rotating disk (22) inside of shaft collar (15), is uniformly distributed with four holes around the rotating disk (22), and a perforate axle sleeve is stretched out at its center, on axle sleeve, opens threaded hole, with screw (13) rotating disk (22) and motor shaft is fixed.In four holes of rotating disk (22), three spring-loaded plungers (21) are then arranged, there is spring to be connected between the steel ball of spring-loaded plunger (21) and the pillar, can be according to the big freedom in minor affairs adjustment of pressure length.Four through holes in that shaft collar (15) is uniformly distributed with all around have four O-ring seals (20), guarantee when it act as work to seal between spring-loaded plunger (21) and the circular hole.Below shaft collar (15), be sealing gasket (16) and lower cover (17) and screw (18), through screw (10), (18) can fasten as one and good seal whole device.
Rotation gas circuit switching device shifter dress is made up of outer tube and interior pipe; Interior pipe is contained in the outer tube; There are four to be positioned on the same bus and gas outlet that spacing equates on the outer tube; In have on the pipe four axial locations corresponding with the outer tube gas outlet, radially with 90 ° of gas outlets that increase progressively, interior pipe extension arm is connected through bolt with the reducing motor axle, the air intake opening on the interior pipe other end side face passes through silicone tube and links to each other with the air pump gas outlet.The interior pipe of described rotation gas circuit switching device shifter dress be provided with axial location corresponding with the outer tube gas outlet, radially with 22.5 ° of gas outlets that increase progressively.
Rotation gas circuit switching device shifter dress is made up of swivel becket, spiracular plate and set collar; Orifice plate is installed and fixed on the ring end face; Both pass through screw retention; Then swivel becket is installed in the set collar, makes radially air flue center line and the pore centerline on the swivel becket on the set collar on an xsect, the swivel becket other end is fixed on the motor shaft.
Be used to control the control module that gas circuit switches and comprise anti-dazzling screen (6), motor (7), control circuit (8) and sensor (9).Wherein control circuit (8) comprises the single-chip microcomputer of controlling motor, to entire circuit the circuit of power supply is provided, and the driving circuit of drive motor is handled the disk position signal conveys to single-chip microcomputer, make rotating disk can forward the sensor feedback circuit of assigned address to.The numeric keypad signal output port connects the keyboard input port of single-chip microcomputer, through keyboard sampling channel, the sampling startup moment, sampling time is set, and through single-chip microcomputer data transmission is shown to LCD; The signal output port of sensor is connected with the signal input port of single-chip microcomputer respectively, and single-chip microcomputer obtains motor respectively and rotates the whether enabling signal of signal and air pump that whether puts in place; The signal output port of single-chip microcomputer is connected with the signal input port of display device, shows in order to control output; The signal output port of single-chip microcomputer is connected with the signal input interface of atmospheric sampling device control circuit, in order to control atmospheric sampling device (1) sampling; The signal output port of single-chip microcomputer is connected with the signal input port of circuit for controlling motor, control motor (7) startup and stop.
Four sensors (9) can be fixed through screw in surface in loam cake (11), on motor shaft, open threaded hole; A fixing anti-dazzling screen (6) makes anti-dazzling screen (6) parallel with sensor (9), with air sampler (1) simultaneously; Sampler bag (2), silicone tube (3) and circuit control section (8) connect, and start power supply then; The anti-dazzling screen (6) that motor (7) drove on the axle when rotating move together, when anti-dazzling screen (6) goes under the projection of sensor (9), because sensor (9) is blocked and can't respond to by anti-dazzling screen (6) at this moment; Motor (7) quits work, and start air sampler (1) and begin sampling this moment, and the sample that collects gets into airtight hyperchannel gas circuit switching device shifter through silicone tube (3); Because this moment, other three ventholes all sealed; So the gas of being gathered can only get into sampler bag (2) through the passage of opening, after the sample collecting of this passage was intact, motor (7) drove anti-dazzling screen (6) and rotates once more.In the time of under arriving next sensor (9) projection, motor (7) stops operating once more, carries out sample collecting next time, and so circulation is accomplished until sampling.
The beneficial effect of the utility model is: the sensor less with volume replaces the relatively large solenoid valve of volume; When motor goes to correct position when beginning to sample, motor quits work, and need not energy consumption.It is little to have volume, low power consumption and other advantages.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explanation, wherein:
Fig. 1 is the overall schematic that the utility model fully-automatic multi-channel gas circuit is switched the atmospheric sampling device;
Fig. 2 is that the utility model fully-automatic multi-channel gas circuit is switched the atmospheric sampling schematic representation of apparatus;
Fig. 3 is the partial sectional view that the utility model fully-automatic multi-channel gas circuit is switched atmospheric sampling device rotating disk and spring-loaded plunger;
Fig. 4 is that the motor of the utility model fully-automatic multi-channel gas circuit switching atmospheric sampling device is connected synoptic diagram with shadow shield.
Fig. 5 is the module frame chart that the utility model fully-automatic multi-channel gas circuit is switched the control module of atmospheric sampling device;
Fig. 6 is the rotation gas circuit switching device shifter that the utility model fully-automatic multi-channel gas circuit is switched second kind of embodiment of atmospheric sampling device;
Fig. 7 is the interior pipe of the rotation gas circuit switching device shifter synoptic diagram of second kind of embodiment of the utility model fully-automatic multi-channel gas circuit switching atmospheric sampling device;
Fig. 8 is the interior pipe of the rotation gas circuit switching device shifter sectional view of second kind of embodiment of the utility model fully-automatic multi-channel gas circuit switching atmospheric sampling device;
Fig. 9 is the rotation gas circuit switching device shifter porous inner tube synoptic diagram that the utility model fully-automatic multi-channel gas circuit is switched second kind of embodiment of atmospheric sampling device;
Figure 10 is the rotation gas circuit switching device shifter synoptic diagram that the utility model fully-automatic multi-channel gas circuit is switched the third embodiment of atmospheric sampling device.
Figure 11 is the rotation gas circuit switching device shifter outer shroud synoptic diagram that the utility model fully-automatic multi-channel gas circuit is switched the third embodiment of atmospheric sampling device;
Figure 12 is the interior ring of the rotation gas circuit switching device shifter synoptic diagram of the third embodiment of the utility model fully-automatic multi-channel gas circuit switching atmospheric sampling device.
Figure 13 is the rotation gas circuit switching device shifter orifice plate synoptic diagram that the utility model fully-automatic multi-channel gas circuit is switched the third embodiment of atmospheric sampling device.
Embodiment
Below in conjunction with accompanying drawing, specify and introduce each embodiment of the utility model.
Fig. 1 to Fig. 5 is first kind of embodiment of the utility model.Like Fig. 1 is the overall schematic that the full-automatic gas circuit of the utility model is switched the atmospheric sampling device, and its structure comprises air sampler (1), sampler bag (2), silicone tube (3), airtight hyperchannel gas circuit switching device shifter (4) and belong to circuit control unit (5).Wherein circuit control unit (5) comprises anti-dazzling screen (6), motor (7), control circuit (8) and sensor (9).
Fig. 2 is the synoptic diagram of the utility model gas circuit switching device shifter, and its structure comprises screw (10), loam cake (11), sealing gasket (12); Screw (13), outlet nozzle (14), shaft collar (15), sealing gasket (16); Lower cover (17), screw (18), admission piece (19), O-ring seal (20); Spring-loaded plunger (21), rotating disk (22), sealing shroud (23) etc.
Fig. 3 is that the full-automatic gas circuit of the utility model is switched atmospheric sampling device rotating disk (22) and spring-loaded plunger (21) partial sectional view.
Fig. 4 is that the position of full-automatic gas circuit switching atmospheric sampling motor (7) of the utility model and anti-dazzling screen (6) is connected synoptic diagram.
During concrete operations, earlier spring-loaded plunger (21) is embedded in four holes of rotating disk (22), in four outlet nozzles of shaft collar (15), installs O-ring seal (20); Rotating disk (22) is put into shaft collar (15), and make spring-loaded plunger (21) aim at venthole, then through screw (10); (18) with sealing gasket (12), (16), loam cake (11); Lower cover (17) and shaft collar (15) connect as one; Again four outlet nozzles (14) and an admission piece (19) are fixed on the shaft collar (15), cover upper sleeve gasket (23), then hyperchannel gas circuit switching device shifter installs.
Four sensors (9) are fixed in four holes of loam cake (11) with screw; Anti-dazzling screen (6) is fixed on the motor shaft; Through screw (13) motor (7) is fixed on the axle sleeve of rotating disk (22) again, with air sampler (1), sampler bag (2); Silicone tube (3) connects, last CC control section (8) and power supply.Motor (7) can be stepper motor, common electric machine.Select different motor according to actual needs, what embodiment one selected is common electric machine.
During work, start power supply earlier, drive the rotation of whole hyperchannel gas circuit switching device shifter through the rotation of motor (7); When the anti-dazzling screen on the motor shaft (6) go to sensor (9) projection under the time, sensor (9) is covered fully, motor (7) quits work; Air sampler this moment (1) is started working; Owing to have in four passages of rotating disk (22) three to be blocked, so the gas of being gathered can only be from that remaining passage entering sampler bag (2), after sample collecting finishes by spring-loaded plunger (21); Motor (7) rotates again; In the time of under anti-dazzling screen (6) goes to next sensor (9) projection, motor (7) stops operating once more, and air sampler (1) starts once more and carries out the collection of atmospheric sample next time.So circulation until the collection of accomplishing all passage atmospheric samples, thereby reaches the purpose of the full-automatic gas circuit switch sampling of hyperchannel repeatedly.
Fig. 6 to Fig. 9 is second kind of enforcement side's example of the utility model.It is different that second kind of embodiment and the key distinction of first kind of embodiment are to rotate gas circuit switching device shifter structure.As shown in Figure 6; Rotation gas circuit switching device shifter is made up of outer tube 24 and interior pipe 25, will interior 25 manages to be contained in the outer tube 24, has four to be positioned on the same bus and gas port 26 that spacing is equal on the outer tube; There are four axial locations corresponding on the interior pipe, radially with 90 ° of gas outlets that increase progressively with the outer tube gas port.Interior pipe extension arm is connected through bolt with the reducing motor axle, and the air intake opening on the interior pipe other end side face links to each other with the air pump gas outlet through silicone tube.Interior pipe can set out gas port by radially increasing progressively with 22.5 °, and is every at a distance from 22.5 ° of gas outlets that one to four different number, diverse location are set, and when realizing concrete the utilization, through the adjustment angle, arrives different gas outlets of adjustment and the purpose that adjusts gas port quantity.
During work, pipe rotated in reducing motor made.Along with the corresponding angle of the rotation of interior pipe, contraposition is realized in the corresponding gas outlet of a certain group of gas outlet of interior pipe and outer tube.Gas circuit conducting this moment, gas is carried through this gas circuit.Correspondingly, interior pipe is rotated further, and contraposition is realized in corresponding gas outlet with outer tube up to the gas outlet of appointment, accomplishes gas circuit and switches.
Figure 10 to Figure 13 is the third enforcement side's example of the utility model.Present embodiment is mainly that with the difference of first kind and second kind embodiment gas circuit switching device shifter structure is different.This rotation gas circuit switching device shifter is made up of swivel becket, set collar and orifice plate; Orifice plate and set collar adopt screw retention; Then swivel becket is installed in the set collar, makes radially air flue center line and the pore centerline on the swivel becket on the set collar on an xsect and guarantee the impermeability between the two.The swivel becket other end is fixed on the motor shaft.
During work, motor rotates and drives swivel becket and in set collar, rotates.When the pore on the swivel becket docks successfully with a certain air flue on the set collar, this gas circuit is opened, and other each roads are closed.This moment, motor stopped, and began to gather gas.After this road gas collecting finished, electromechanics rotated, and dock successfully with another air flue on the set collar up to the pore on the swivel becket, and the switching of realization gas circuit begins the gas collecting of next gas circuit.
According to the above-mentioned design of the utility model, those skilled in the art also can make various modifications and conversion to this.Similar this conversion and modification all belong to the essence of the utility model.
Claims (8)
1. a fully-automatic multi-channel gas circuit is switched the atmospheric sampling device, and it comprises air sampler (1), rotary type multichannel gas circuit switching device shifter (4), control module (5), it is characterized in that: air sampler is connected through the gas port of silicone tube with rotary type multichannel gas circuit switching device shifter; Another termination gas collecting device of air sampler is connected; The sampling instant that control module is provided with according to keyboard, sampling channel, sampling time; And the signal through sensor input; Confirm the channel position of rotary type multichannel gas circuit switching device shifter, control electric motor starting and stop, the start and stop of control air sampler; Rotary type multichannel gas circuit switching device shifter has a plurality of air flues, and the rotation adjusting gas circuit is gathered different samples.
2. a kind of fully-automatic multi-channel gas circuit according to claim 1 is switched the atmospheric sampling device, it is characterized in that described rotary type multichannel gas circuit switching device shifter by motor (7), and rotation gas circuit switching construction is formed.
3. a kind of fully-automatic multi-channel gas circuit according to claim 2 is switched the atmospheric sampling device, it is characterized in that described motor (7) can be stepper motor, common electric machine.
4. require 3 described a kind of fully-automatic multi-channel gas circuits to switch the atmospheric sampling devices according to profit, it is characterized in that a fixing anti-dazzling screen (6) on the motor shaft of common electric machine, and sensor (9) and anti-dazzling screen (6) direction are installed with parallel.
5. a kind of fully-automatic multi-channel gas circuit according to claim 2 is switched the atmospheric sampling device, it is characterized in that described rotation gas circuit switching device shifter by loam cake (11), outlet nozzle (14); Shaft collar (15), lower cover (17), admission piece (19); Spring-loaded plunger (21), rotating disk (22) is formed, and loam cake (11) center has circular hole; Be used for through motor shaft, motor shaft is connected with rotating disk (22); Loam cake (11) four through holes that kept to the side all around are uniformly distributed with, and also have four groups not penetrate threaded hole in order to fixation of sensor (9); Is furnished with sealing shroud (23) at loam cake (11) central hole location; The following of loam cake (11) is shaft collar (15), and shaft collar (15) has five holes all around, and wherein four holes are uniformly distributed with; Be venthole; Another hole is the middle of two ventholes therein, is air admission hole, is respectively to connect admission piece (19) and outlet nozzle (14); In the place of shaft collar (15) air inlet/outlet, four outlet nozzles (14) and an admission piece (19) are arranged, be the access way of the sample gas gathered; There is a rotating disk (22) inside of shaft collar (15), is uniformly distributed with four holes around the rotating disk (22), and a perforate axle sleeve is stretched out at its center, on axle sleeve, opens threaded hole, with screw (13) rotating disk (22) and motor shaft is fixed; In four holes of rotating disk (22); Three spring-loaded plungers (21) are then arranged, have spring to be connected between the steel ball of spring-loaded plunger (21) and the pillar, four through holes that are uniformly distributed with all around at shaft collar (15); Four O-ring seals (20) are arranged, guarantee during work to seal between spring-loaded plunger (21) and the circular hole; Below shaft collar (15), be sealing gasket (16) and lower cover (17).
6. a kind of fully-automatic multi-channel gas circuit according to claim 2 is switched the atmospheric sampling device; It is characterized in that described rotation gas circuit switching device shifter dress is made up of outer tube and interior pipe; Interior pipe is contained in the outer tube; There are four to be positioned on the same bus and gas outlet that spacing equates on the outer tube; In have on the pipe four axial locations corresponding with the outer tube gas outlet, radially with 90 ° of gas outlets that increase progressively; In the pipe extension arm be connected through bolt with the reducing motor axle, the air intake opening on the interior pipe other end side face passes through silicone tube and links to each other with the air pump gas outlet, the interior pipe that described rotation gas circuit switching device shifter is adorned be provided with axial location corresponding with the outer tube gas outlet, radially with 22.5 ° of gas outlets that increase progressively.
7. a kind of fully-automatic multi-channel gas circuit according to claim 2 is switched the atmospheric sampling device; It is characterized in that described rotation gas circuit switching device shifter dress is made up of swivel becket, spiracular plate and set collar; Orifice plate is installed and fixed on the ring end face, and both are installed to swivel becket in the set collar through screw retention then; Make radially air flue center line and the pore centerline on the swivel becket on the set collar on an xsect, the swivel becket other end is fixed on the motor shaft.
8. a kind of fully-automatic multi-channel gas circuit according to claim 1 is switched the atmospheric sampling device; It is characterized in that the numeric keypad signal output connects the data-in port of single-chip microcomputer; Can sampling channel, the sampling startup moment, sampling time be set through keyboard, and data transmission is shown to LCD; The signal output port of sensor is connected with the signal input port of single-chip microcomputer respectively, and single-chip microcomputer obtains motor respectively and rotates the whether enabling signal of signal and air pump that whether puts in place; The signal output port of single-chip microcomputer is connected with the signal input port of display device, shows in order to control output; The signal output port of single-chip microcomputer is connected with the signal input interface of atmospheric sampling device control circuit, in order to control atmospheric sampling device (1) sampling; The signal output port of single-chip microcomputer is connected with the signal input port of circuit for controlling motor, control motor (7) startup and stop.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202044754U CN202204709U (en) | 2011-06-16 | 2011-06-16 | Full-automatic multi-channel gas path switching atmospheric sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202044754U CN202204709U (en) | 2011-06-16 | 2011-06-16 | Full-automatic multi-channel gas path switching atmospheric sampling device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102252877A (en) * | 2011-06-16 | 2011-11-23 | 深圳国技仪器有限公司 | Full-automatic multichannel air passage switching atmospheric sampling device |
| CN105158492A (en) * | 2015-10-22 | 2015-12-16 | 东南大学 | Automatic pipetting device |
| CN106950086A (en) * | 2017-02-24 | 2017-07-14 | 北京雪迪龙科技股份有限公司 | The synchronous sample-leaving system of a kind of gas automatic safety sampling device, on-line monitoring and method |
| CN107132314A (en) * | 2017-05-12 | 2017-09-05 | 盐城工学院 | A kind of olfactory sensor array detection equipment and Artificial Olfactory device |
| CN108254581A (en) * | 2018-01-15 | 2018-07-06 | 西安热工研究院有限公司 | A kind of gaseous pollutant multiple spot automatic sampling tests system |
| CN108663239A (en) * | 2018-06-14 | 2018-10-16 | 张立升 | Natural gas line sampler |
| CN109781470A (en) * | 2019-03-20 | 2019-05-21 | 新昌县以琳环保科技有限公司 | A kind of sampling equipment and sampling method for Detection of Air Quality |
| CN111413162A (en) * | 2019-01-04 | 2020-07-14 | 中昊晨光化工研究院有限公司 | High-temperature gas sampling device |
| CN114006135A (en) * | 2021-10-25 | 2022-02-01 | 苏州工业园区源荣科创机电有限公司 | Electric vacuum integrated liquid injection device |
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| CN102252877A (en) * | 2011-06-16 | 2011-11-23 | 深圳国技仪器有限公司 | Full-automatic multichannel air passage switching atmospheric sampling device |
| CN102252877B (en) * | 2011-06-16 | 2013-12-11 | 深圳国技仪器有限公司 | Full-automatic multichannel air passage switching atmospheric sampling device |
| CN105158492A (en) * | 2015-10-22 | 2015-12-16 | 东南大学 | Automatic pipetting device |
| CN105158492B (en) * | 2015-10-22 | 2017-03-08 | 东南大学 | A kind of automatic pipetting device |
| CN106950086A (en) * | 2017-02-24 | 2017-07-14 | 北京雪迪龙科技股份有限公司 | The synchronous sample-leaving system of a kind of gas automatic safety sampling device, on-line monitoring and method |
| CN106950086B (en) * | 2017-02-24 | 2019-06-14 | 北京雪迪龙科技股份有限公司 | A kind of gas automatic safety sampling device, on-line monitoring-synchronization sample-leaving system and method |
| CN107132314A (en) * | 2017-05-12 | 2017-09-05 | 盐城工学院 | A kind of olfactory sensor array detection equipment and Artificial Olfactory device |
| CN108254581A (en) * | 2018-01-15 | 2018-07-06 | 西安热工研究院有限公司 | A kind of gaseous pollutant multiple spot automatic sampling tests system |
| CN108254581B (en) * | 2018-01-15 | 2023-10-31 | 西安热工研究院有限公司 | Gaseous pollutant multi-point automatic sampling test system |
| CN108663239A (en) * | 2018-06-14 | 2018-10-16 | 张立升 | Natural gas line sampler |
| CN111413162A (en) * | 2019-01-04 | 2020-07-14 | 中昊晨光化工研究院有限公司 | High-temperature gas sampling device |
| CN111413162B (en) * | 2019-01-04 | 2021-01-29 | 中昊晨光化工研究院有限公司 | High-temperature gas sampling device |
| CN109781470A (en) * | 2019-03-20 | 2019-05-21 | 新昌县以琳环保科技有限公司 | A kind of sampling equipment and sampling method for Detection of Air Quality |
| CN114006135A (en) * | 2021-10-25 | 2022-02-01 | 苏州工业园区源荣科创机电有限公司 | Electric vacuum integrated liquid injection device |
| CN114006135B (en) * | 2021-10-25 | 2023-07-14 | 苏州工业园区源荣科创机电有限公司 | Electric vacuum integrated priming device |
| CN116106487A (en) * | 2023-04-12 | 2023-05-12 | 杭氧集团股份有限公司 | Multi-channel detection switching system and method for gas measuring instrument |
| CN116539380A (en) * | 2023-06-15 | 2023-08-04 | 宁夏测衡联合实业有限公司 | Constant temperature constant current atmospheric sampling device |
| CN116539380B (en) * | 2023-06-15 | 2024-04-19 | 宁夏测衡联合实业有限公司 | Constant temperature constant current atmospheric sampling device |
| CN117030950A (en) * | 2023-09-28 | 2023-11-10 | 潍柴动力股份有限公司 | Measuring device, exhaust system and vehicle |
| CN117030950B (en) * | 2023-09-28 | 2024-01-12 | 潍柴动力股份有限公司 | Measuring device, exhaust system and vehicle |
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