CN109813579A - The lossless strobe unit of multiple spot gas - Google Patents
The lossless strobe unit of multiple spot gas Download PDFInfo
- Publication number
- CN109813579A CN109813579A CN201711176934.0A CN201711176934A CN109813579A CN 109813579 A CN109813579 A CN 109813579A CN 201711176934 A CN201711176934 A CN 201711176934A CN 109813579 A CN109813579 A CN 109813579A
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- Prior art keywords
- gating
- lossless
- cylinder
- piston
- multiple spot
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- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 description 48
- 238000001514 detection method Methods 0.000 description 11
- 238000003032 molecular docking Methods 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 241000486406 Trachea Species 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a kind of lossless strobe units of multiple spot gas.The lossless strobe unit of multiple spot gas includes two gating parts that can be movable relatively, cooperation is slidingly sealed between two gating parts, multiple connecting holes are provided on one of gating part, gating hole is provided on another gating part, the lossless strobe unit of multiple spot gas further includes driving two to gate part relative motions and gating the driving device that conducting is docked in hole with one of connecting hole, remaining connecting hole blocks during the motion.The lossless strobe unit of multiple spot gas of the invention, cooperation is slidingly sealed between two gating parts, when that will gate hole and be connected with one of connecting hole, the still selected parts of other connecting holes block, it will not communicate with one another, to the influence generated when leading to one of silo operation to other silos that avoids communicating with one another between connecting hole, reliability and safety when the lossless strobe unit of multiple spot gas uses are considerably increased.
Description
Technical field
The present invention relates to grain warehouse grain feelings detection technique fields, and in particular to a kind of lossless strobe unit of multiple spot gas.
Background technique
When being monitored to the grain feelings in silo, common method is to pass through the gas to be detected of each monitoring point of grain depot
Gas path pipe, which is transported to, to be tested and analyzed in device, is treated detection gas by detection and analysis device and is tested.In above-mentioned monitoring
In system, as soon as detection and analysis device is generally with multiple silo connection, this needs a multidraw strobe unit according to reality
Border detection needs will test analytical equipment and is connected from different silos.
Currently, frequently with multidraw strobe unit specific structure it is general as shown in Figure 1, including terminal pad 1, connection
Multiple connecting holes are provided on disk 1, the lower end of connecting hole is connect with silo tracheae 2, and rotating device is provided with above terminal pad
3, the docking facilities 4 for docking with connecting hole are provided on rotating device, docking facilities are connected with detection device tracheae 5.It should
Device will test device tracheae 5 and different silo tracheaes 2 in actual use, by rotating device and docking facilities
The gas sample to different silos is realized in conducting.
Above-mentioned multidraw strobe unit in actual use the shortcomings that be: the upper end of connecting hole is not in terminal pad
Open state is in when connecting with docking facilities, this results in the upper end of multiple silo tracheaes to communicate with one another, and multiple silos pass through
The multidraw strobe unit communicates with one another.When one of silo, which carries out poison gas, to be fumigated, the poison gas in silo can be along pipe
Road enters at gate, and is entered in the silo that other are not fumigated by gate, and the personnel in these silos is caused to be poisoned.
In addition, when carrying out closed nitrogen filling grain storage to a silo, and when the routine keeping of other silos, nitrogen can be leaked to by gate
Other warehouses normally taken care of cause nitrogen filling grain storage to fail.
Summary of the invention
The purpose of the present invention is to provide one kind not will cause the lossless choosing of multiple spot gas to communicate with one another between multiple silos
Exchange device.
To achieve the above object, a kind of technical solution 1 of the lossless strobe unit of multiple spot gas of the present invention is: a kind of multiple spot
The lossless strobe unit of gas, the gating part that can be movable relatively including two are slidingly sealed cooperation between two gating parts, wherein one
Multiple connecting holes are provided on a gating part, gating hole, the lossless gating dress of multiple spot gas are provided on another gating part
Set further include driving two gating part relative motions and during the motion will gate hole docked with one of connecting hole conducting,
The driving device that remaining connecting hole blocks.
The lossless strobe unit of multiple spot gas of the invention in actual use, is slidingly sealed between two gating parts and matches
It closes, when that will gate hole and be connected with one of connecting hole, other connecting holes are still chosen parts closure, it will not communicate with one another, from
And the influence that other silos are generated when leading to one of silo operation that avoids communicating with one another between connecting hole, it considerably increases
Reliability and safety when the lossless strobe unit of multiple spot gas uses.
A kind of technical solution 2 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 1 into one
Step is improved: described two gating parts are gating cylinder and setting on the gating intracorporal gating piston of cylinder, the gating cylinder
Connecting hole is set, setting gating hole on piston is gated.
A kind of technical solution 3 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 2 into one
Step is improved: the connecting hole is circumferentially arranged along gating cylinder.
A kind of technical solution 4 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 3 into one
Step is improved: at least two connecting holes are mutually staggered in the axial direction of gating cylinder.
A kind of technical solution 5 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 4 into one
Step is improved: the connecting hole has been circumferentially arranged three column along gating cylinder, and the angle between adjacent column connecting hole is 90 °, two sides
The strobe unit fixed knot for fixing the lossless strobe unit of multiple spot gas is provided between the connecting hole that two column angles are 180 °
Structure.
A kind of technical solution 6 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 4 into one
Step is improved: the gating piston is circular piston, and the driving device is the opposite gating cylinder circumferential movement of driving gating piston
With the piston driver of axial movement.
A kind of technical solution 7 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 6 into one
Step is improved: the piston driver includes and gates the relatively-stationary bracket of cylinder, is provided on bracket and gating drum shaft
The parallel guide rail of line, guiding is equipped with sliding part on guide rail, is provided on sliding part and the rotary unit that gates piston and connect.
A kind of technical solution 8 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 6 into one
Step is improved: the lossless strobe unit of multiple spot gas further includes for carrying out circumferentially positioned circumferential positioning structure to gating piston
With the axial positioning structure for carrying out axially position to gating piston.
A kind of technical solution 9 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 8 into one
Step is improved: the circumferential positioning structure includes with the circumferentially opposed fixation of gating cylinder and multiple along being circumferentially arranged for gating cylinder
Cylinder locating piece further includes from the gating circumferentially opposed fixation of piston to position during with gating piston rotation with different cylinders
Part cooperates and then indicates the piston locating piece of gating piston position.
A kind of technical solution 10 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 9 into one
Step is improved: the connecting hole has been circumferentially arranged three column along gating cylinder, and the angle between adjacent column connecting hole is 90 °, described
There are four cylinder locating pieces, and the angle between adjacent cylinder locating piece is 90 °, wherein three cylinder locating pieces connect with three column respectively
Connect hole on the same line.This arrangement of connecting hole is arranged, and the lossless strobe unit of multiple spot gas can be allowed to paste wall solid
It is fixed.
A kind of technical solution 11 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 8 into one
Step is improved: the axial positioning structure includes and gates a relatively-stationary range sensor in cylinder and gating piston, with
And with another relatively-stationary sensor matching piece.
A kind of technical solution 12 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 4 into one
Step is improved: the driving device is the piston driver that the opposite gating cylinder of driving gating piston is axially moved, the gating
Hole have it is multiple, multiple gating holes along gating piston be circumferentially arranged in gating piston axial movement by circumferential different
It realizes and is connected with the docking for the connecting hole being circumferentially arranged in the gating hole of position.
A kind of technical solution 13 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 4 into one
Step is improved: the gating piston is circular piston, and the driving device is the opposite gating cylinder circumferential movement of driving gating piston
Piston driver, the gating hole have it is multiple, it is multiple gating holes along gating piston axial arrangings with gating piston week
Gating hole into motion process through axially distinct position is realized to be connected with the docking of the connecting hole axially mutually staggered.
A kind of technical solution 14 of the lossless strobe unit of multiple spot gas of the present invention is to do on the basis of technical solution 2 into one
Step is improved: axial arranging of the connecting hole along gating cylinder.
A kind of technical solution 15 of the lossless strobe unit of multiple spot gas of the present invention is any technology in technical solution 1-14
Be further improved on the basis of scheme: the lossless strobe unit of multiple spot gas is additionally provided with two gating parts and driving
Device is wrapped in interior seal closure.
Detailed description of the invention
Fig. 1 is the structure chart of multidraw strobe unit in background technique；
Fig. 2 is the structure chart of the specific embodiment of the invention 1；
Wherein, in Fig. 1: 1, terminal pad；2, silo tracheae；3, rotating device；4, docking facilities；5, detection device tracheae；
In Fig. 2: 1, gating cylinder；11, connecting hole；2, piston is gated；21, hole is gated；3, piston driver；31, bracket；
32, guide rail；33, sliding part；34, rotary unit；4, range sensor；41, sensor matching piece.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment 1 of a kind of lossless strobe unit of multiple spot gas of the invention, as shown in Fig. 2, can phase including two
To the gating part of movement, i.e., gating cylinder 1 and setting are on the gating intracorporal gating piston 2 of cylinder, the side wall surface for gating cylinder 1
Be provided with it is multiple for connect with silo tracheae conducting connecting holes 11, gating piston 2 and gating cylinder 1 be slidingly sealed cooperate with
The connecting hole is blocked, gates and is provided with gating hole 21 in piston 2, the outlet for gating hole is located at the upper end of gating piston, uses
In with detection device tracheae connection, the entrance for gating hole is located in the side wall surface of gating piston when gating piston motion and not
Same connecting hole docks conducting, realizes the conducting of detection device tracheae and different silo tracheaes.In addition, the turning in the gating hole
Place is arc-shaped transition, for reducing the flow resistance in gating hole.In the present embodiment, the gating piston is circular piston, institute
Stating gating cylinder is the cylinder cooperated with circular piston.
The lossless strobe unit of multiple spot gas further includes the piston driving that driving gating piston moves in gating cylinder
Device 3.In the present embodiment, the piston driver 3 includes and gates the square that cylinder is relatively fixed, will gate cylinder surrounds
Shape bracket 31 is provided with the guide rail 32 parallel with gating tubular axis on bracket 31, and guiding is equipped with sliding part 33 on guide rail 32,
Rotary unit 34 is provided on sliding part 33, rotary unit 34 is connect with gating piston 2.
The lossless strobe unit of multiple spot gas further includes for carrying out circumferentially positioned circumferentially positioned knot to gating piston
Structure and the axial positioning structure that axially position is carried out to gating piston.The circumferential positioning structure include and gating cylinder circumferential direction phase
To the multiple cylinder locating pieces fixed and along gating cylinder being circumferentially arranged, further include with the gating circumferentially opposed fixation of piston with
With the piston locating piece for cooperating and then indicating gating piston position during gating piston rotation from different cylinder locating pieces.At this
In embodiment, the cylinder locating piece and piston locating piece are non-contact magnetic inductive device, such as tongue tube, non-are connect when two
Touch magnetic induction device close to when, corresponding circuit conducting, to judge the position of rotary-piston.
The axial positioning structure includes and the relatively-stationary range sensor 4 of gating piston and opposite with gating cylinder
Fixed sensor matching piece 41.
In the present embodiment, multiple connecting hole arrangements are three column, and each column is axially extending along gating cylinder, adjacent column connection
Angle between hole is 90 °, is provided between the connecting hole that two column angle of two sides is 180 ° for by the lossless gating of multiple spot gas
Device is fixed on the strobe unit fixed structure in fixed object.In addition, the cylinder locating piece is arranged on sliding part, it is described
Piston locating piece is arranged in rotation drive device.There are four the cylinder locating pieces, the angle between four cylinder locating pieces
Be 90 °, wherein three cylinder locating pieces respectively with three column connecting holes on the same line.
In addition, seal closure is also enclosed with outside the bracket, for cylinder, gating piston and piston driver will to be gated
In being sealed in, in the present embodiment, the seal closure is by by the backing plate of the side closure of bracket and by other of bracket
The sealing film that five sides block is constituted, and gates three column connecting holes on cylinder towards sealed thin film surface, three column connecting holes
Outside be provided with the convex pipe for connecting with silo tracheae, the convex pipe passes through sealing film and extend out to outside seal closure, convex
It is fixed between pipe and sealing film by gasket and joint sealing.
In actual use, when not in use, gating piston is complete for the lossless strobe unit of multiple spot gas of the invention
Into in gating cylinder, the connecting hole on cylinder will be gated and all blocked, when needing connection detection device tracheae and one of them
When silo, rotation gating piston docks the entrance connecting hole corresponding with the silo in the gating hole gated on piston, at this point,
Other connecting holes are still strobed piston closure, will not communicate with one another, so that avoiding communicating with one another between connecting hole leads to wherein one
The influence generated when a silo operation to other silos considerably increases reliability when the lossless strobe unit of multiple spot gas uses
And safety.
The lossless strobe unit of multiple spot gas of the invention can not only use in silo detection system, also can be applied to
Other are needed in the field of multipoint gating.
The specific embodiment 2 of the lossless strobe unit of multiple spot gas of the invention and the difference of specific embodiment 1 are: two
The case where gating part can be not configured to gating cylinder and gate piston, and two relatively turnable turntables are arranged to, one
Circumferentially arranged multiple connecting holes on a turntable, setting gating hole, two turntables are slidingly sealed cooperation, pass through two on a turntable
The relative rotation of a turntable realizes that gating hole is connected with the docking of different connecting holes, and during rotation seals other connecting holes
It is stifled.
The specific embodiment 3 of the lossless strobe unit of multiple spot gas of the invention and the difference of specific embodiment 1 are: described
Gating cylinder can be rectangular cylinder, and gating piston is rectangle piston.
The specific embodiment 4 of the lossless strobe unit of multiple spot gas of the invention and the difference of specific embodiment 1 are: described
The driving device of the lossless strobe unit of multiple spot gas may be set to be what the opposite gating cylinder of driving gating piston was axially moved
Piston driver, at this point, no matter gating cylinder is cylinder or rectangular cylinder, it is both circumferentially distributed for connecting hole, also along axis
Multiple to gating hole can be arranged the case where distribution, multiple gating holes being circumferentially arranged along gating piston in gating work
It is realized in plug axial movement by the gating hole of circumferential different location and is connected with the docking for the connecting hole being circumferentially arranged.
In addition, the driving device of the lossless strobe unit of multiple spot gas may be set to be, driving gating piston is opposite to be selected
At this point, gating cylinder can only be cylinder multiple, Duo Gexuan is arranged in gating hole by the piston driver of logical cylinder circumferential movement
The gating hole that through-hole passes through axially distinct position along the axial arranging of gating piston during gating piston circumferential movement is real
Now be connected with the docking of the connecting hole axially mutually staggered.
In said structure, multiple gating holes can have oneself individual entrance and individually outlet, be also possible to have
Oneself individual entrance, but outlet converges in same exit passageway, i.e., the outlet in multiple gating holes is connected.
The specific embodiment 5 of the lossless strobe unit of multiple spot gas of the invention and the difference of specific embodiment 1 are: described
Connecting hole can be only along the axial arranging of gating cylinder being circumferentially arranged or only edge gates cylinder.
The specific embodiment 6 of the lossless strobe unit of multiple spot gas of the invention and the difference of specific embodiment 1 are: described
Both cylinder and gating piston are gated, can be dynamic using gating cylinder, the motionless mode of gating piston, driving device is set as cylinder
Body drive.
The specific embodiment 7 of the lossless strobe unit of multiple spot gas of the invention and the difference of specific embodiment 1 are: described
The driving device of the lossless strobe unit of multiple spot gas may be set to be screw mandrel drive mechanism, including relatively fixed with gating cylinder
Fixed frame, spiral is equipped with screw rod on fixed frame, and the lower end of screw rod connect with gating piston, and rotary screw, screw rod driving is selected
Logical piston rotation decline, at this point, lateral surface helical arrangement of the connecting hole along gating cylinder, gating piston drops or rises under rotation
During successively docked from different connecting hole.
The specific embodiment 8 of the lossless strobe unit of multiple spot gas of the invention and the difference of specific embodiment 1 are: described
Circumferential positioning structure can be set to infrared transmitter and infrared remote receiver, and infrared transmitter, sliding part are arranged on rotary unit
Upper setting infrared remote receiver judges the position of rotary-piston by the receiving of signal.
The specific embodiment 9 of the lossless strobe unit of multiple spot gas of the invention and the difference of specific embodiment 1 are: described
The position of range sensor and sensor matching piece can be interchanged.
Claims (10)
1. a kind of lossless strobe unit of multiple spot gas, it is characterised in that: the gating part that can be movable relatively including two, two gatings
It is slidingly sealed cooperation between part, is provided with multiple connecting holes on one of gating part, is provided with gating on another gating part
Hole, the lossless strobe unit of multiple spot gas further include two gating part relative motions of driving and will gate hole during the motion
Conducting is docked with one of connecting hole, the driving device that remaining connecting hole blocks.
2. the lossless strobe unit of multiple spot gas according to claim 1, it is characterised in that: described two gating parts are gating
Connecting hole is arranged on the gating intracorporal gating piston of cylinder, the gating cylinder in cylinder and setting, gates and choosing is arranged on piston
Through-hole.
3. the lossless strobe unit of multiple spot gas according to claim 2, it is characterised in that: the connecting hole is along gating cylinder
Be circumferentially arranged.
4. the lossless strobe unit of multiple spot gas according to claim 3, it is characterised in that: at least two connecting holes are gating
The axial direction of cylinder mutually staggers.
5. the lossless strobe unit of multiple spot gas according to claim 4, it is characterised in that: the connecting hole is along gating cylinder
Be circumferentially arranged three column, the angle between adjacent column connecting hole is 90 °, is set between the connecting hole that two column angle of two sides is 180 °
It is equipped with the strobe unit fixed structure for fixing the lossless strobe unit of multiple spot gas.
6. the lossless strobe unit of multiple spot gas according to claim 4, it is characterised in that: the gating piston is round living
Plug, the driving device are the piston driver of the opposite gating cylinder circumferential movement and axial movement of driving gating piston.
7. the lossless strobe unit of multiple spot gas according to claim 6, it is characterised in that: the piston driver includes
With the gating relatively-stationary bracket of cylinder, the guide rail parallel with gating tubular axis is provided on bracket, guiding is assembled on guide rail
There is sliding part, the rotary unit connecting with gating piston is provided on sliding part.
8. the lossless strobe unit of multiple spot gas according to claim 6, it is characterised in that: the lossless gating of multiple spot gas
Device further includes for carrying out circumferentially positioned circumferential positioning structure to gating piston and carrying out axially position to gating piston
Axial positioning structure.
9. the lossless strobe unit of multiple spot gas according to claim 8, it is characterised in that: the circumferential positioning structure includes
With the circumferentially opposed fixation of gating cylinder and along the multiple cylinder locating pieces of gating cylinder being circumferentially arranged, further include and gating piston
Circumferentially opposed fixation during with gating piston rotation from different cylinder locating pieces to cooperate and then indicate gating piston position
Piston locating piece.
10. the lossless strobe unit of multiple spot gas according to claim 9, it is characterised in that: the connecting hole is along gating cylinder
Body has been circumferentially arranged three column, and the angle between adjacent column connecting hole is 90 °, and there are four the cylinder locating pieces, adjacent cylinder
Angle between locating piece is 90 °, wherein three cylinder locating pieces respectively with three column connecting holes on the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176934.0A CN109813579A (en) | 2017-11-22 | 2017-11-22 | The lossless strobe unit of multiple spot gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176934.0A CN109813579A (en) | 2017-11-22 | 2017-11-22 | The lossless strobe unit of multiple spot gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109813579A true CN109813579A (en) | 2019-05-28 |
Family
ID=66599939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711176934.0A Withdrawn CN109813579A (en) | 2017-11-22 | 2017-11-22 | The lossless strobe unit of multiple spot gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109813579A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044333A (en) * | 2019-12-10 | 2020-04-21 | 合肥艾普拉斯环保科技有限公司 | Rotary sampler |
| CN118086877A (en) * | 2024-04-26 | 2024-05-28 | 上海谙邦半导体设备有限公司 | Air inlet adjustable device and semiconductor processing equipment |
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| US4577793A (en) * | 1984-05-16 | 1986-03-25 | Hilti Aktiengesellschaft | Powder charge operated fastening element setting device |
| CN2152953Y (en) * | 1992-07-20 | 1994-01-12 | 贺志怀 | Automatic multiway gating valve |
| CN2529034Y (en) * | 2001-12-30 | 2003-01-01 | 袁宗化 | Air valve with long service life |
| CN2789752Y (en) * | 2005-03-15 | 2006-06-21 | 刘自力 | Barn pest-insect sampling device |
| CN103228868A (en) * | 2010-09-22 | 2013-07-31 | 赫罗伊斯医疗有限责任公司 | Compressed-gas motor for a wash system |
| CN203117208U (en) * | 2013-03-19 | 2013-08-07 | 郑州贝博电子股份有限公司 | Multi-point sampling strobe unit for detecting condition of stored grains |
| CN103293273A (en) * | 2013-05-23 | 2013-09-11 | 郑州鑫胜电子科技有限公司 | Integrated detection system of grain condition comprehensive index |
| CN205785871U (en) * | 2016-06-23 | 2016-12-07 | 刘平安 | A kind of multidraw switching device |
| CN106352119A (en) * | 2015-07-16 | 2017-01-25 | 中国石油化工股份有限公司 | Unidirectional conduction device |
| CN207689206U (en) * | 2017-11-22 | 2018-08-03 | 陈西雷 | A kind of lossless strobe unit of multiple spot gas |
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- 2017-11-22 CN CN201711176934.0A patent/CN109813579A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4577793A (en) * | 1984-05-16 | 1986-03-25 | Hilti Aktiengesellschaft | Powder charge operated fastening element setting device |
| CN2152953Y (en) * | 1992-07-20 | 1994-01-12 | 贺志怀 | Automatic multiway gating valve |
| CN2529034Y (en) * | 2001-12-30 | 2003-01-01 | 袁宗化 | Air valve with long service life |
| CN2789752Y (en) * | 2005-03-15 | 2006-06-21 | 刘自力 | Barn pest-insect sampling device |
| CN103228868A (en) * | 2010-09-22 | 2013-07-31 | 赫罗伊斯医疗有限责任公司 | Compressed-gas motor for a wash system |
| CN203117208U (en) * | 2013-03-19 | 2013-08-07 | 郑州贝博电子股份有限公司 | Multi-point sampling strobe unit for detecting condition of stored grains |
| CN103293273A (en) * | 2013-05-23 | 2013-09-11 | 郑州鑫胜电子科技有限公司 | Integrated detection system of grain condition comprehensive index |
| CN106352119A (en) * | 2015-07-16 | 2017-01-25 | 中国石油化工股份有限公司 | Unidirectional conduction device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111044333A (en) * | 2019-12-10 | 2020-04-21 | 合肥艾普拉斯环保科技有限公司 | Rotary sampler |
| CN118086877A (en) * | 2024-04-26 | 2024-05-28 | 上海谙邦半导体设备有限公司 | Air inlet adjustable device and semiconductor processing equipment |
| CN118086877B (en) * | 2024-04-26 | 2024-08-20 | 上海谙邦半导体设备有限公司 | Air inlet adjustable device and semiconductor processing equipment |
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Application publication date: 20190528 |
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