CN105004645B - In-situ knob type calibration device - Google Patents
In-situ knob type calibration device Download PDFInfo
- Publication number
- CN105004645B CN105004645B CN201410159057.6A CN201410159057A CN105004645B CN 105004645 B CN105004645 B CN 105004645B CN 201410159057 A CN201410159057 A CN 201410159057A CN 105004645 B CN105004645 B CN 105004645B
- Authority
- CN
- China
- Prior art keywords
- calibrator
- knob
- calibration device
- situ
- calibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to the field of calibration instruments of environmental monitoring instruments, in particular to an in-situ knob type calibration device, which realizes breakthrough innovation on the aspect of calibration mode and overcomes the problems in the prior art by adopting the in-situ knob type calibration device; the calibration device is rotated as part of the instrument, by means of a knob, to 3 different states: working, zero calibration and measuring range calibration. And the lens is arranged in the instrument window lens and is not influenced by environmental pollution.
Description
Technical Field
The invention relates to the field of calibration instruments of environment monitoring instruments, in particular to an in-situ knob type calibration device.
Background
At present, the energy required for developing economy in China mainly comes from fire coal, and particulate matters and sulfur dioxide released by the fire coal are main pollutants causing atmospheric environment deterioration. The particulate matter concentration monitor is an instrument necessary for environment monitoring, and can provide rapid, reliable and accurate quantitative smoke dust emission data for an environment supervision department. According to the technical requirements of the environmental protection department, namely HJ/T75-2007 and HJ/T76-2007, in order to ensure the accuracy of the monitoring instrument, the instrument needs to be calibrated.
For example, in patent publication CN200820139944.7 with publication No. CN201277939, an online calibration device for an online continuous particulate matter concentration monitor refers to fig. 1 to 3, and fig. 1 to 3 are calibration schematic diagrams in the prior art: it includes lens 1, laser emitter 2, glass window 3, calibrating device support body 8 and fixing base 7, is equipped with trompil 6 and apron 5 on calibrating device support body 8, is convenient for insert calibrator 4. The calibrator 4 comprises a glass window piece I43, two mirror bodies 44, a blind hole 45, a set screw 46 and a positioning pin 47. The incident channel 41 faces an emitting path of laser emitted by a laser emitter 2, the refraction channel 42 is aligned with a receiving area of an optical signal receiver of the monitor, the lens 1 and the glass window 3 are arranged on the outer side of the calibration device frame body 8 and face the refraction channel 42, a glass window sheet 43 and two mirror bodies 44 are arranged at the rear ends of the incident channel 41 and the refraction channel 42, the two mirror bodies 44 can be manufactured into a whole, the mirror bodies 44 are machined stainless steel pieces, refracted light emitted by the incident light after being refracted by the mirror bodies 44 is emitted from the refraction channel 42, and the optical axis of the incident light is parallel to the optical axis of the refracted light. The rear sides of the two mirror bodies 44 are provided with fastening screws 46 for adjusting the angle of refraction effect of the dove prism.
During calibration, the cover plate 5 of the bracket of the calibrating device on the monitoring instrument is opened, the instrument does not need to be disassembled, the positioning pin 47 on the calibrator 4 is aligned with the pin hole and inserted, and then the output value is measured. Rotation of the calibration tool by 180 degrees may perform zero and span calibrations, respectively. When the laser transmitter is turned off, the measured data is at zero.
The above prior art calibration methods all use a plug-in type calibration, and the calibrator is used as an accessory. The calibrator is inserted only during calibration and is taken out during working state. The disadvantage is that the operation is complicated and the external calibrator may be lost. Meanwhile, the calibrator is arranged outside the instrument window lens, and the calibration accuracy is influenced by the pollution of the instrument window lens and the pollution of the self window lens of the calibrator.
Disclosure of Invention
The invention aims to provide an in-situ knob type calibration device which has an innovative structure, can obtain a stable optical signal, transmits the optical signal to a monitoring instrument to serve as a standard reference value and can conveniently calibrate the monitoring instrument.
In order to solve the technical problem, the invention is realized by the following scheme: an in-situ knob type calibrating device comprises a lens, a glass window, a calibrator and a calibrating device frame body, wherein the calibrator is positioned on the calibrating device frame body, the calibrator is a knob type calibrator, the top of the knob type calibrator is provided with a knob, the knob is arranged on a calibrator cover and is fixed with a calibrator main body at the lower part of the knob type calibrator through M2 16 screws, the main body part at the lower part of the knob type calibrator rotates through the rotation of the knob, 4 steel balls with the diameter of 3mm and 4 springs are arranged below the calibrator cover, and the knob provides rotating flexibility through the 4 steel balls with the diameter of 3mm and the 4 springs; the calibrator main body is a cylinder, two elliptical holes are formed in the cylinder, the two elliptical holes are rectangular in the middle and semicircular at two ends, the two elliptical holes are respectively a long elliptical hole and a short elliptical hole, the short elliptical hole is a through hole, the calibrator is aligned to a laser emitter in a working state, the length of the calibrator is half of the height of the cylinder, a straight line of a lower extension line of a rectangular side of the short elliptical hole and an adjacent side of the long elliptical hole is taken as a base line, the cylinder is cut 1/4, and the cut area is a receiving area for leaving scattered light to be led to an optical signal receiver of a monitor; the long elliptical hole is a full-scale calibration hole and is not a through hole, the front end of the long elliptical hole is provided with a ground glass sheet to form a closed calibrator cavity, and the rear end of the long elliptical hole is fixed with a mirror body by a rivet.
Furthermore, the side surface of the lower cover edge of the knob is provided with 1 spring II and 1 steel ball with the diameter of 3 mm.
Furthermore, the mirror surface body is provided with an incident surface and a reflecting surface which are symmetrical through a rivet in the middle.
Further, an annular cover is arranged between the calibrator body and the knob and is fixed through M2 x 8 screws.
Furthermore, an aligner mounting shell is arranged at the lower port of the knob type aligner.
The device further comprises a calibration device frame body, wherein the frame body comprises a connecting seat, an air blowing inner ring, a 70-inner-diameter O-shaped ring, an air nozzle, a window glass sheet II, a mounting flange plate, a 25-inner-diameter O-shaped ring, an M2.5 screw, a junction box, a release screw, a knob type calibrator, an M3 screw, a 50-outer-diameter O-shaped ring and a calibrator cover; m3 x 8 countersunk head screw.
Furthermore, window glass piece II, the inner ring of blowing, the mounting flange dish are folded in the connecting seat in proper order, and window glass piece II two sides outer fringe is sealed through 2 70 internal diameter O type circles, and the inner ring of blowing is fixed by M3 countersunk head screw, and the mounting flange dish is fixed by M4 15 screw.
Furthermore, the side edge of the connecting seat is provided with a jack for inserting a knob type calibrator, the knob type calibrator is inserted into the jack and fixed by 3M 3 screws, and an O-shaped ring with the external diameter of 50 is sleeved in the inner cavity of the calibrator cover and covers the head of the knob type calibrator.
Furthermore, a junction box is arranged on the other side face of the connecting seat, which is at a right angle with the knob type calibrator, and the junction box is fixed on the connecting seat through an O-shaped ring with the inner diameter of 25, an M2.5 screw and a release screw.
Furthermore, an air nozzle is arranged on the side surface of the connecting seat and the symmetrical side of the knob type calibrator.
The invention has the beneficial effects that:
1. breakthrough innovation is realized on the calibration mode, and the problems in the prior art are solved by adopting an in-situ knob type calibration device; the calibration device is rotated as part of the instrument, by means of a knob, to 3 different states: working, part calibration and range calibration. And the lens is arranged in the instrument window lens and is not influenced by environmental pollution.
2. By adopting the knob type calibration device, the device is arranged in the instrument window lens, is not interfered by environmental pollution, and can more accurately reflect the test performance of the instrument when full-scale drift test is carried out.
3. The knob at the top end of the calibrator provides rotation flexibility through 4 steel balls and 4 springs, and meanwhile, the calibrator is fastened after being rotated to a corresponding position and does not shake up and down.
4. The side surface of the calibrator is provided with 1 spring and 1 steel ball, so that the calibrator is fastened after rotating to a corresponding position and does not shake left and right.
5. If the side view of the full-scale calibration of the calibrator is set as the first side, the main body rotates 180 degrees to be in a working state, and the corresponding side rotates 90 degrees at will, so that the laser emission channel is completely blocked, almost no optical signal is received by a monitoring instrument, namely, the optical signal is equivalent to a zero point.
6. The calibrator mounting housing achieves instrument hermeticity.
Drawings
Fig. 1 is a schematic diagram of a prior art calibration non-insertion calibrator.
Fig. 2 is a diagram of prior art insertion calibrator-full value during calibration.
Fig. 3 is a schematic diagram of a prior art insertion calibrator rotated 180 degrees.
FIG. 4 is an exploded view of the knob type calibration device of the present invention.
Fig. 5 is an exploded view of the knob type calibration device of the present invention installed in an instrument.
FIG. 6 is a perspective view of the knob type calibration device of the present invention.
FIG. 7 is a plan view of the face of the knob type alignment device where the elliptical hole is located.
FIG. 8 is a cross-sectional view of a knob type alignment device of the present invention.
FIG. 9 is a view of the knob calibration device of the present invention shown ready for use after insertion into an instrument.
FIG. 10 is a schematic view of the full calibration of the knob type calibration device according to the present invention.
FIG. 11 is a schematic diagram of zero calibration of the knob type calibration device according to the present invention.
In the drawings, the reference numbers: a knob 50; a short elliptical hole 51; a long elliptical hole 52; a rivet 53; an upper set screw 54; a lower set screw 55; the calibrator cavity 56; specular body II 57; ground glass sheet 58; a connecting base 101; a blow inner ring 102; 70 inner diameter O-ring 103; an air tap 104; window glass piece II 105; mounting flange 106; 25 inner diameter O-rings 107; m2.5 screw 108; a junction box 109; a captive screw 110; a knob type aligner 111; m3 screw 112; 50 outer diameter O-ring 113; an aligner enclosure 114; m3 grub screw 115; m4 x 15 screw 116; the calibrator mounting case 201; a calibrator body 202; a light-reflecting sheet 203; m2 x 16 screw 207; a spring 208; 3mm steel balls 209; the aligner cover 210; m2 x 8 screw 211; spring II 212.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 4, 6, 7 and 8, fig. 4 is a view of an in-situ knob type calibrator according to the present invention, which includes a lens, a glass window, a calibrator located on a calibrator frame, the calibrator being a knob type calibrator 111, a knob 50 being disposed on a top of the knob type calibrator 111, the knob 50 being disposed on a calibrator cover 210 and fixed to a calibrator body 202 located under the knob type calibrator 111 by a M2 16 screw 207, a main body portion of a lower portion of the knob type calibrator 111 being rotated by rotation of the knob 50, 4 steel balls 209 and 4 springs 208 being disposed under the calibrator cover 210, and the knob 50 being provided with flexibility of rotation by the 4 steel balls 209 and 4 springs 208; the calibrator main body 202 is a cylinder, two elliptical holes are formed in the cylinder, the two elliptical holes are rectangular in the middle and semicircular at two ends, the two elliptical holes are a long elliptical hole 52 and a short elliptical hole 51 respectively, the short elliptical hole 51 is a through hole, the laser emitter is aligned to the laser emitter in a working state, the length of the laser emitter is half of the height of the cylinder, a straight line of a lower extension line of a rectangular edge of the short elliptical hole 51 and an adjacent edge of the long elliptical hole 52 is taken as a base line, the cylinder is cut 1/4, and the cut area is a receiving area for leaving scattered light to pass through an optical signal receiver of the monitor; the oblong hole 52 is a full-scale calibration hole, not a through hole, the front end of which is provided with a ground glass sheet 58 to form a closed calibrator cavity 56, and the rear end of which is fixed with a mirror II57 by a rivet 53. And 1 spring II212 and 1 steel ball 209 with the diameter of 3mm are arranged on the side surface of the lower cover edge of the knob 50, so that the calibrator is fastened after rotating to a corresponding position and does not shake left and right. The mirror body II57 has an incident surface and a reflecting surface, which are symmetrical to each other through the rivet 53 at the middle. Between said calibrator body 202 and knob 50 there is an annular cover, which is fixed by means of M2 × 8 screws 211. The lower port of the knob type calibrator 111 is provided with a calibrator mounting shell 201 which is a machined stainless steel piece, and the mirror body II57 forms a dove prism refraction effect and is acted by 1 rivet and 2 set screws 54.
Referring to fig. 5, which is an exploded view of the knob type calibration device installed in the instrument, the knob type calibration device includes a connection seat 101, a blowing inner ring 102, a 70 inner diameter O-ring 103, an air nozzle 104, a window glass sheet II105, a mounting flange 106, a 25 inner diameter O-ring 107, an M2.5 screw 108, a junction box 109, a release screw 110, a knob type calibrator 111, an M3 screw 112, a 50 outer diameter O-ring 113, and a calibrator cover 114; m3 x 8 countersunk head screw 115; the window glass sheet II105, the air blowing inner ring 102 and the mounting flange 106 are sequentially overlapped into the connecting seat 101, the outer edges of two sides of the window glass sheet II105 are sealed through 2 70 inner diameter O-shaped rings 103, the air blowing inner ring 102 is fixed through M3 countersunk head screws 115, the mounting flange 106 is fixed through M4 15 screws 116, a jack into which a knob type calibrator 111 is inserted is arranged on the side edge of the connecting seat 101, the knob type calibrator 111 is inserted into the jack and fixed through 3M 3 screws 112, a 50 outer diameter O-shaped ring 113 is sleeved in an inner cavity of a calibrator cover 114 and covers the head of the knob type calibrator 111, a junction box 109 is arranged on the other side surface of the connecting seat 101, which is at right angle with the knob type calibrator 111, and the junction box 109 is fixed on the connecting seat 101 through 25 inner diameter O-shaped rings 107, M2.5 screws 108 and loose-free screws 110; an air nozzle 104 is provided on the side of the connection seat 101, which is symmetrical to the knob type calibrator 111.
Referring to fig. 9 to 11, the knob type alignment device of the present invention is a part of the connection base, and the operation state is also inside. For this purpose, the calibrator is designed in a cylindrical shape, and the knob is provided with a ball, so that 3 state changes are realized. The connecting seat design also changes correspondingly, and the original window lens is on the inboard of calibrator, changes the outside of calibrator now. The specular body II57 is fixed in the cavity at a specific refraction angle by two set screws. The calibration device comprises an incident channel and a refraction channel, wherein the incident channel faces an emitting path of laser emitted by a laser emitter, the refraction channel is aligned with a receiving area of an optical signal receiver of the monitor, a lens is arranged on the outer side of a calibration device frame body and faces the refraction channel, a mirror body II57 with a dove prism refraction effect is arranged at the rear ends of the incident channel and the refraction channel, refracted light emitted by the incident light after being refracted through the mirror body II57 is emitted from the refraction channel, the optical axis of the incident light is parallel to that of the refracted light, and the parallel optical axis can achieve the best calibration effect.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. Normal position knob formula calibrating device, including lens, glass window, calibrator, the calibrator is located the calibrating device support body, its characterized in that: the calibrator is a knob calibrator (111), the top of the knob calibrator (111) is provided with a knob (50), the knob (50) is arranged on a calibrator cover (210) and fixed with a calibrator main body (202) at the lower part of the knob calibrator (111) through M2 16 screws (207), the main body part at the lower part of the knob calibrator (111) rotates through the rotation of the knob (50), 4 steel balls (209) with the diameter of 3mm and 4 springs (208) are arranged below the calibrator cover (210), and the knob (50) provides the rotation flexibility through the 4 steel balls (209) with the diameter of 3mm and the 4 springs (208); the calibrator main body (202) is a cylinder, two elliptical holes are formed in the cylinder, the two elliptical holes are in the shapes of a middle rectangle and two semicircular ends, the two elliptical holes are respectively a long elliptical hole (52) and a short elliptical hole (51), the short elliptical hole (51) is a through hole, the laser emitter is aligned to the laser emitter in the working state, the length of the laser emitter is half of the height of the cylinder, a straight line of a lower extension line of a rectangular side of the short elliptical hole (51) and an adjacent side of the long elliptical hole (52) is used as a base line, the cylinder is cut off 1/4, and the cut-off area is a receiving area for leaving scattered light to pass through an optical signal receiver of a monitor; the long elliptical hole (52) is a full-scale calibration hole and is not a through hole, a ground glass sheet (58) is arranged at the front end to form a closed calibrator cavity (56), and a mirror surface body (57) is fixed at the rear end by a rivet (53);
the side surface of the lower cover edge of the knob (50) is provided with 1 spring II (212) and 1 steel ball (209) with the diameter of 3mm, so that the calibrator is fastened after rotating to a corresponding position and does not shake left and right;
the mirror surface body (57) is provided with an incident surface and a reflecting surface which are symmetrical through a rivet (53) in the middle.
2. The in-situ knob calibration device according to claim 1, wherein: an annular cover is arranged between the calibrator body (202) and the knob (50), and the annular cover is fixed through M2 x 8 screws (211).
3. The in-situ knob calibration device according to claim 1, wherein: and a calibrator mounting shell (201) is arranged at the lower port of the knob calibrator (111).
4. The in-situ knob calibration device according to claim 3, wherein: the air valve also comprises a calibration device frame body, wherein the frame body comprises a connecting seat (101), an air blowing inner ring (102), a 70-inner-diameter O-shaped ring (103), an air nozzle (104), a window glass sheet II (105), a mounting flange plate (106), a 25-inner-diameter O-shaped ring (107), an M2.5 screw (108), a junction box (109), a loose-free screw (110), a knob type calibrator (111), an M3 screw (112), a 50-outer-diameter O-shaped ring (113) and a calibrator cover (114); m3 x 8 countersunk head screw (115).
5. The in-situ knob calibration device according to claim 4, wherein: the window glass sheet II (105), the air blowing inner ring (102) and the mounting flange plate (106) are sequentially overlapped into the connecting seat (101), the outer edges of two surfaces of the window glass sheet II (105) are sealed through 2O-shaped rings (103) with 70 inner diameters, the air blowing inner ring (102) is fixed through M3 countersunk head screws (115), and the mounting flange plate (106) is fixed through M4 x 15 screws (116).
6. The in-situ knob calibration device according to claim 5, wherein: the side edge of the connecting seat (101) is provided with a jack for inserting the knob type calibrator (111), the knob type calibrator (111) is inserted into the jack and fixed by 3M 3 screws (112), and an O-shaped ring (113) with the outer diameter of 50 is sleeved in the inner cavity of the calibrator cover (114) and covers the head of the knob type calibrator (111).
7. The in-situ knob calibration device according to claim 6, wherein: the other side face of the connecting seat (101) which forms a right angle with the knob type calibrator (111) is provided with a junction box (109), and the junction box (109) is fixed on the connecting seat (101) through an O-shaped ring (107) with 25 inner diameters, an M2.5 screw (108) and a release screw (110).
8. The in-situ knob calibration device according to claim 7, wherein: an air nozzle (104) is arranged on the side surface of the connecting seat (101) and the side which is symmetrical to the knob type calibrator (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159057.6A CN105004645B (en) | 2014-04-21 | 2014-04-21 | In-situ knob type calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159057.6A CN105004645B (en) | 2014-04-21 | 2014-04-21 | In-situ knob type calibration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105004645A CN105004645A (en) | 2015-10-28 |
| CN105004645B true CN105004645B (en) | 2020-02-11 |
Family
ID=54377399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410159057.6A Active CN105004645B (en) | 2014-04-21 | 2014-04-21 | In-situ knob type calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105004645B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560983A (en) * | 2016-07-01 | 2018-01-09 | 深圳市量宇科技有限公司 | Light target calibrating installation |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2358928Y (en) * | 1998-12-11 | 2000-01-19 | 福碁实业股份有限公司 | Drag regulator |
| CN1382972A (en) * | 2001-10-26 | 2002-12-04 | 韩宏峰 | Single-end opacity method dust measuring method and device |
| CN201130142Y (en) * | 2007-11-27 | 2008-10-08 | 深圳市彩虹谷科技有限公司 | Apparatus for measuring particle phase concentration using light scattering of two-phase flow particle phase |
| CN201191263Y (en) * | 2008-03-06 | 2009-02-04 | 杜永强 | Calibrating device for on-line continuous density monitoring instrument |
| CN201191264Y (en) * | 2008-03-06 | 2009-02-04 | 杜永强 | Automatic calibrating device for on-line continuous density monitoring instrument |
| CN201373838Y (en) * | 2009-02-27 | 2009-12-30 | 杜永强 | Linear tester of a particle concentration monitor |
| CN201673105U (en) * | 2010-04-27 | 2010-12-15 | 深圳市彩虹谷科技有限公司 | Calibration device of backward-direction light scattering method measurement instrument for particle-phase concentration of two-phase flow |
| CN202033268U (en) * | 2011-03-07 | 2011-11-09 | 杜永强 | On-line multipoint calibrating device of on-line continuous particulate concentration monitor |
| CN103019297A (en) * | 2012-12-19 | 2013-04-03 | 青岛歌尔声学科技有限公司 | Double-knob rotary triggering structure |
| CN203858185U (en) * | 2014-04-21 | 2014-10-01 | 安荣信科技(北京)有限公司 | In-situ knob type calibration device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09218154A (en) * | 1996-02-08 | 1997-08-19 | Ngk Insulators Ltd | Method for calibratig dust densitometer, and calibrating standard jig |
| JP3765549B2 (en) * | 1997-02-28 | 2006-04-12 | 日本碍子株式会社 | Dust concentration measurement method |
| CN201277939Y (en) * | 2008-10-21 | 2009-07-22 | 安荣信科技(北京)有限公司 | On-line calibrating apparatus for on-line continuous particle concentration monitor |
-
2014
- 2014-04-21 CN CN201410159057.6A patent/CN105004645B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2358928Y (en) * | 1998-12-11 | 2000-01-19 | 福碁实业股份有限公司 | Drag regulator |
| CN1382972A (en) * | 2001-10-26 | 2002-12-04 | 韩宏峰 | Single-end opacity method dust measuring method and device |
| CN201130142Y (en) * | 2007-11-27 | 2008-10-08 | 深圳市彩虹谷科技有限公司 | Apparatus for measuring particle phase concentration using light scattering of two-phase flow particle phase |
| CN201191263Y (en) * | 2008-03-06 | 2009-02-04 | 杜永强 | Calibrating device for on-line continuous density monitoring instrument |
| CN201191264Y (en) * | 2008-03-06 | 2009-02-04 | 杜永强 | Automatic calibrating device for on-line continuous density monitoring instrument |
| CN201373838Y (en) * | 2009-02-27 | 2009-12-30 | 杜永强 | Linear tester of a particle concentration monitor |
| CN201673105U (en) * | 2010-04-27 | 2010-12-15 | 深圳市彩虹谷科技有限公司 | Calibration device of backward-direction light scattering method measurement instrument for particle-phase concentration of two-phase flow |
| CN202033268U (en) * | 2011-03-07 | 2011-11-09 | 杜永强 | On-line multipoint calibrating device of on-line continuous particulate concentration monitor |
| CN103019297A (en) * | 2012-12-19 | 2013-04-03 | 青岛歌尔声学科技有限公司 | Double-knob rotary triggering structure |
| CN203858185U (en) * | 2014-04-21 | 2014-10-01 | 安荣信科技(北京)有限公司 | In-situ knob type calibration device |
Non-Patent Citations (3)
| Title |
|---|
| 光散射式数字粉尘测试仪的标定及测量结果分析;王兴东;《中国计量》;20080810;第80-81页 * |
| 激光光散射***的标定与调试;王少清 等;《光学仪器》;20060430;第28卷(第2期);第7-11页 * |
| 激光后向散射法粉尘浓度监测仪结构剖析;王惠芳;《仪器仪表标准化与计量》;20130226;第41-43页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105004645A (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104155241A (en) | Long-path optical absorption cell adjustable in optical path | |
| ES2700469T3 (en) | Optical triangulation sensor | |
| KR101415144B1 (en) | Remote optical axis alignment apparatus and method for aligning of optical axis using of the same | |
| CN214844655U (en) | Calibration structure of back scattering smoke and dust appearance | |
| CN105004645B (en) | In-situ knob type calibration device | |
| CN106574866A (en) | Measuring arrangement for reflection measurement | |
| WO2016123877A1 (en) | Rangefinder | |
| CN202676592U (en) | Optical system for smoke pattern measuring device | |
| CN205015271U (en) | Testing arrangement of optical glass bobble lens transmissivity | |
| JP2007333567A (en) | Multi-reflection type cell and infrared ray gas detector | |
| CN103713383B (en) | The servicing unit that a kind of light beam accurately guides and calibrates | |
| CN102445199B (en) | Three-channel polarization navigation sensor platform | |
| CN203858185U (en) | In-situ knob type calibration device | |
| KR100781968B1 (en) | Variable light-path gas density sensor | |
| CN102012357B (en) | Bypass concentration calibration system with variable light path | |
| CN105891921B (en) | A kind of beam splitting prism attachment generated without interference reference light | |
| BR112019021694A2 (en) | OPTICAL TEST PLATFORM | |
| CN206399566U (en) | Glass surface stress detection device and the detection prism for it | |
| KR101406239B1 (en) | A anemovane | |
| JP2007263587A (en) | Probe and device for measuring absorbance | |
| CN105319176A (en) | Four-series non-dispersive infrared gas sensor | |
| WO2011104401A4 (en) | Portable spectrophotometer and method for characterising solar collector tubes | |
| CN201917519U (en) | On-site absorption spectrum gas analysis system | |
| US9605954B2 (en) | Distance measuring laser pointer | |
| CN209182234U (en) | A kind of binary channels infrared gas sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: ANRONX TECHNOLOGY (BEJING) CO.,LTD. Document name: Notification to Go Through Formalities of Registration |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 2909, 25th Floor, Building A, No. 2 Zhongguancun South Street, Haidian District, Beijing, 100088 Patentee after: Anrongxin Technology (Beijing) Co.,Ltd. Address before: 100096 Baijun Hongye Office Building 344, Yuxin Garden, Xisanqi, Haidian District, Beijing Patentee before: ANRONX TECHNOLOGY (BEJING) CO.,LTD. |