CN105004645A - In-situ knob type calibration apparatus - Google Patents
In-situ knob type calibration apparatus Download PDFInfo
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- CN105004645A CN105004645A CN201410159057.6A CN201410159057A CN105004645A CN 105004645 A CN105004645 A CN 105004645A CN 201410159057 A CN201410159057 A CN 201410159057A CN 105004645 A CN105004645 A CN 105004645A
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Abstract
The present invention relates to the field of calibration equipment of t environmental monitoring instruments, particularly to an in-situ knob type calibration apparatus. According to the present invention, the breakthrough innovation is achieved in the calibration methods, and the in-situ knob type calibration apparatus is used to overcome the problems in the prior art; the calibration apparatus is adopted as one part of the instrument, and rotates to achieve three working states such as working, part calibration and span calibration through the knob; and the in-situ knob type calibration apparatus is arranged in the instrument window lens, such that the in-situ knob type calibration apparatus is not affected by environmental pollution.
Description
Technical field
The present invention relates to the field of the tester of environment supervision instrument, is a kind of original position knob calibrating installation specifically.
Background technology
Be mainly derived from fire coal at current China required energy of developing the economy, particle and the sulphuric dioxide of coal-fired release are the major pollutants causing atmospheric environment to worsen.Particle concentration monitor is instrument indispensable in environmental monitoring, and this kind of monitor can provide fast to environment supervision department, reliably and accurately quantitative soot emissions data.According to the technical requirement HJ/T75-2007 of environmental administration, HJ/T76-2007, for ensureing the accuracy of monitoring instrument itself, need to calibrate instrument.
As publication CN200820139944.7, publication number is CN201277939, a kind of on-line calibration device of on-line continuous particle concentration monitor, please refer to accompanying drawing 1 to Fig. 3, Fig. 1 to Fig. 3 is calibration schematic diagram of the prior art: it comprises lens 1, generating laser 2, windowpane 3, calibrating installation support body 8 and holder 7, calibrating installation support body 8 is provided with perforate 6 and cover plate 5, is convenient to insert calibrating device 4.Calibrating device 4 comprises glass window sheet I43 and two piece specular surface body 44, blind hole 45, holding screw 46, register pin 47.Incidence channel 41 faces the injection path that a generating laser 2 penetrates laser, refraction passage 42 aims at the receiving area of monitor optical signal receiver, lens 1 and windowpane 3 are arranged at the outside of calibrating installation support body 8 and face and reflect passage 42, glass window sheet 43 and two pieces of specular surface bodies 44 are provided with in the rear end of incidence channel 41 and refraction passage 42, two pieces of specular surface bodies 44 also can integral production and become a piece, the stainless steel part that specular surface body 44 is made into for machine work, the refract light of incident light after specular surface body 44 reflects penetrates from refraction passage 42, wherein the optical axis of incident light and the optical axis of refract light parallel.The rear side of two pieces of specular surface bodies 44 is equipped with for regulating the holding screw 46 forming Dove prism refraction effect angle.
During calibration, open the cover plate 5 of calibrating installation support in monitoring instrument, without the need to dismantling instrument, register pin 47 alignment pin holes on calibrating device 4 being inserted, then measures output valve.Truing tool is revolved turnback and can carry out zero point and span calibration respectively.When closing generating laser, the data recorded are zero point.
Above-mentioned calibrating mode of the prior art all adopts plug-in type to calibrate, and calibrating device is as an accessory.Only need to insert calibrating device during calibration, during duty, take out calibrating device.Shortcoming is complicated operation, and calibrating device is external may be lost.Meanwhile, calibrating device setting position is beyond instrument window eyeglass, and the accuracy of calibration is subject to the impact of instrument window lens contamination and the window lens pollution of calibrating device own.
Summary of the invention
The object of this invention is to provide a kind of innovation structure, stable light signal can be obtained, and pass to monitoring instrument as a standard reference value, can conveniently to the original position knob calibrating installation that monitoring instrument is calibrated.
For solving the problems of the technologies described above, the present invention is realized by following scheme: a kind of original position knob calibrating installation, comprise lens, windowpane, calibrating device and calibrating installation support body, calibrating device is positioned on calibrating installation support body, described calibrating device is knob calibrating device, this knob calibrating device top is provided with knob, knob is placed in calibrating device and covers, fixed by M2*16 screw with the calibrating device main body of knob calibrating device bottom, the main part of knob calibrating device bottom is rotated by the rotation of knob, 4 3mm steel balls are provided with below described calibrating device lid, 4 springs, knob is via 4 3mm steel balls, 4 springs provide the dirigibility of rotation, described calibrating device main body is right cylinder, this right cylinder is opened two elliptical apertures, two elliptical apertures are intermediate rectangular, the semicircular shape in two ends, these two elliptical apertures are respectively elongated hole, short elliptical aperture, described short elliptical aperture is through hole, generating laser is aimed at during duty, its length is the half of cylinder height, with short elliptical aperture rectangular edges and with the straight line of the extended portion line of the adjacent edge of elongated hole for baseline, by right cylinder excision 1/4, this cut-away area reserves the receiving area that scattered light leads to monitor optical signal receiver, elongated hole is full scale calibration hole, non through hole, and front end establishes a frosted glass plate to form a closed calibrating device cavity, and rear end rivet is fixed with a specular surface body.
Further, 1 spring II and 1 3mm steel ball is established in described knob lower cover edge side.
Further, described specular surface body is provided with the plane of incidence and reflecting surface, and the rivet that the plane of incidence and reflecting surface pass through middle part is symmetrical.
Further, be provided with ring cover between described calibrating device main body and knob, this ring cover is fixed by M2*8 screw.
Further, described knob calibrating device lower port is provided with calibrating device mounting casing.
Further, also comprise calibrating installation support body, this support body comprises Connection Block, air blowing inner ring, 70 internal diameter O type circles, valve, window glass sheet II, mounting flange, 25 internal diameter O type circles, M2.5 screw, terminal box, captive screw, knob calibrating device, M3 screw, 50 external diameter O type circles, calibrating device cover; M3*8 sunk screw.
Further, described window glass sheet II, air blowing inner ring, mounting flange are folded in Connection Block successively, and window glass sheet II two sides outer rim is by 2 70 internal diameter O type circle sealings, and air blowing inner ring is fixed by M3 sunk screw, and mounting flange is fixed by M4*15 screw.
Further, described Connection Block side is provided with the jack assigning knob calibrating device, and knob calibrating device inserts in this jack, is fixed by 3 M3 screws, and calibrating device cover inner chamber cover has 50 external diameter O type circles, and covers in knob calibrating device head.
Further, the side that described Connection Block another and knob calibrating device are at a right angle, be provided with terminal box, this terminal box is fixed on Connection Block by 25 internal diameter O type circles, M2.5 screw, captive screw.
Further, on Connection Block side, the symmetrical side with knob calibrating device, is provided with valve.
The invention has the beneficial effects as follows:
1. on calibrating mode, achieve breakthrough innovation, adopt original position knob calibrating installation then to overcome the problems of the prior art; Calibrating installation, as a part for instrument, by knob, rotates to 3 different states: work, part calibration, range calibration.And within being arranged on instrument window eyeglass, do not affect by environmental pollution.
2., by adopting knob calibrating installation, within being arranged on instrument window eyeglass, do not disturb by environmental pollution, when doing full scale drift test, can the test performance of reaction kit more accurately.
3. the knob on calibrating device top provides the dirigibility of rotation via 4 steel balls and 4 springs, meanwhile, fastening after making calibrating device rotate to relevant position, not dandle.
4. 1 spring and 1 steel ball are established in calibrating device side, fastening after making calibrating device rotate to relevant position, do not roll.
If 5. set calibrating device full scale calibration place side view as first surface, then main body revolves turnback is duty, and face corresponding after any 90-degree rotation, because having blocked laser emission channel completely, almost do not have the monitored instrument of light signal to receive, be namely equivalent to zero point.
6. calibrating device mounting casing realizes the sealing of instrument.
Accompanying drawing explanation
Fig. 1 does not insert calibrating device schematic diagram when being prior art alignment.
Calibrating device-full value schematic diagram is inserted when Fig. 2 is prior art alignment.
Insert calibrating device when Fig. 3 is prior art alignment and revolve schematic diagram after turnback.
Fig. 4 is knob calibrating installation explosive view of the present invention.
Fig. 5 is arranged on by knob calibrating installation of the present invention explosive view in instrument.
Fig. 6 is knob calibrating installation stereographic map of the present invention.
Fig. 7 is the planimetric map in face, knob calibrating installation elliptical aperture place of the present invention.
Fig. 8 is knob calibrating installation cut-open view of the present invention.
Fig. 9 is readiness for operation figure after knob calibrating installation inserting instrument of the present invention.
Figure 10 is knob calibrating installation of the present invention completely amount amount calibration schematic diagram.
Figure 11 is knob calibrating installation zero point correction schematic diagram of the present invention.
Mark in accompanying drawing: knob 50; Short elliptical aperture 51; Elongated hole 52; Rivet 53; Upper holding screw 54; Lower holding screw 55; Calibrating device cavity 56; Specular surface body II57; Frosted glass plate 58; Connection Block 101; Air blowing inner ring 102; 70 internal diameter O type circles 103; Valve 104; Window glass sheet II105; Mounting flange 106; 25 internal diameter O type circles 107; M2.5 screw 108; Terminal box 109; Captive screw 110; Knob calibrating device 111; M3 screw 112; 50 external diameter O type circles 113; Calibrating device cover 114; M3 sunk screw 115; M4*15 screw 116; Calibrating device mounting casing 201; Calibrating device main body 202; Reflecting piece 203; M2*16 screw 207; Spring 208; 3mm steel ball 209; Calibrating device lid 210; M2*8 screw 211; Spring II212.
Embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated.
Please refer to accompanying drawing 4, Fig. 6, Fig. 7, shown in Fig. 8, Fig. 4 is original position knob calibrating installation of the present invention, it comprises lens, windowpane, calibrating device and calibrating installation support body, calibrating device is positioned on calibrating installation support body, described calibrating device is knob calibrating device 111, this knob calibrating device 111 top is provided with knob 50, knob 50 is placed on calibrating device lid 210, fixed by M2*16 screw 207 with the calibrating device main body 202 of knob calibrating device 111 bottom, the main part of knob calibrating device 111 bottom is rotated by the rotation of knob 50, 4 3mm steel balls 209 are provided with below described calibrating device lid 210, 4 springs 208, knob 50 is via 4 3mm steel balls 209, 4 springs 208 provide the dirigibility of rotation, described calibrating device main body 202 is right cylinder, this right cylinder is opened two elliptical apertures, two elliptical apertures are intermediate rectangular, the semicircular shape in two ends, these two elliptical apertures are respectively elongated hole 52, short elliptical aperture 51, described short elliptical aperture 51 is through hole, generating laser is aimed at during duty, its length is the half of cylinder height, with short elliptical aperture 51 rectangular edges and with the straight line of the extended portion line of the adjacent edge of elongated hole 52 for baseline, by right cylinder excision 1/4, this cut-away area reserves the receiving area that scattered light leads to monitor optical signal receiver, elongated hole 52 is full scale calibration hole, non through hole, and front end establishes a frosted glass plate 58 to form a closed calibrating device cavity 56, and rear end rivet 53 is fixed with a specular surface body II57.1 spring II212 and 1 3mm steel ball 209 is established in described knob 50 lower cover edge side, fastening after making calibrating device rotate to relevant position, does not roll.Described specular surface body II57 is provided with the plane of incidence and reflecting surface, and the rivet 53 that the plane of incidence and reflecting surface pass through middle part is symmetrical.Be provided with ring cover between described calibrating device main body 202 and knob 50, this ring cover is fixed by M2*8 screw 211.Described knob calibrating device 111 lower port is provided with calibrating device mounting casing 201, described in be a mach stainless steel part, described specular surface body II57 forms Dove prism refraction effect and is acted on by 1 rivet and 2 holding screws 54.
Please refer to accompanying drawing 5, this figure is arranged on by knob calibrating installation explosive view in instrument, comprises Connection Block 101, air blowing inner ring 102,70 internal diameter O type circle 103, valve 104, window glass sheet II105, mounting flange 106,25 internal diameter O type circle 107, M2.5 screw 108, terminal box 109, captive screw 110, knob calibrating device 111, M3 screw 112,50 external diameter O type circle 113, calibrating device cover 114, M3*8 sunk screw 115, described window glass sheet II105, air blowing inner ring 102, mounting flange 106 is folded in Connection Block 101 successively, window glass sheet II105 two sides outer rim is sealed by 2 70 internal diameter O type circles 103, air blowing inner ring 102 is fixed by M3 sunk screw 115, mounting flange 106 is fixed by M4*15 screw 116, Connection Block 101 side is provided with the jack assigning knob calibrating device 111, knob calibrating device 111 inserts in this jack, fixed by 3 M3 screws 112, calibrating device cover 114 inner chamber cover has 50 external diameter O type circles 113, and cover in knob calibrating device 111 head, the side that described Connection Block 101 another and knob calibrating device 111 are at a right angle, be provided with terminal box 109, this terminal box 109 is by 25 internal diameter O type circles 107, M2.5 screw 108, captive screw 110 is fixed on Connection Block 101, on Connection Block 101 side, the symmetrical side with knob calibrating device 111, is provided with valve 104.
Please refer to accompanying drawing 9 to accompanying drawing 11, knob calibrating installation of the present invention is a part for Connection Block, and duty also inside.For this reason, design aligners is cylindrical, if knob band ball, realizes the change of 3 states.Connection Block designs also respective change, and originally window lens is in the inner side of calibrating device, changes now the outside of calibrating device into.Specular surface body II57, in cavity, is fixed into specific refraction angle by two holding screws.Corresponding incidence channel and refraction passage, incidence channel faces the injection path of a generating laser injection laser, the receiving area of refraction channel alignment monitor optical signal receiver, lens are arranged at the outside of calibrating installation support body and face refraction passage, the specular surface body II57 that one has Dove prism refraction effect is provided with in the rear end of incidence channel and refraction passage, the refract light of incident light after specular surface body II57 reflects is from the injection of refraction passage, the optical axis of incident light is parallel with the optical axis of refract light, and parallel optical axis just can reach best calibration effect.
The foregoing is only the preferred embodiment of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an original position knob calibrating installation, comprise lens, windowpane, calibrating device, calibrating device is positioned on calibrating installation support body, it is characterized in that: described calibrating device is knob calibrating device (111), this knob calibrating device (111) top is provided with knob (50), knob (50) is placed on calibrating device lid (210), the calibrating device main body (202) of calibrating (111) bottom with knob is fixed by M2*16 screw (207), the main part of knob calibrating device (111) bottom is rotated by the rotation of knob (50), described calibrating device lid (210) below is provided with 4 3mm steel balls (209), 4 springs (208), knob (50) is via 4 3mm steel balls (209), 4 springs (208) provide the dirigibility of rotation, described calibrating device main body (202) is right cylinder, this right cylinder is opened two elliptical apertures, two elliptical apertures are intermediate rectangular, the semicircular shape in two ends, these two elliptical apertures are respectively elongated hole (52), short elliptical aperture (51), described short elliptical aperture (51) is through hole, generating laser is aimed at during duty, its length is the half of cylinder height, with short elliptical aperture (51) rectangular edges, and be baseline with the straight line of the extended portion line of the adjacent edge of elongated hole (52), by right cylinder excision 1/4, this cut-away area reserves the receiving area that scattered light leads to monitor optical signal receiver, elongated hole (52) is full scale calibration hole, non through hole, the calibrating device cavity (56) that front end establishes frosted glass plate (58) formation one closed, rear end rivet (53) is fixed with a specular surface body (57).
2. a kind of original position knob calibrating installation according to claim 1, is characterized in that: 1 spring II (212) and 1 3mm steel ball (209) are established in described knob (50) lower cover edge side.
3. a kind of original position knob calibrating installation according to claim 1, is characterized in that: described specular surface body (57) is provided with the plane of incidence and reflecting surface, and the plane of incidence and reflecting surface are symmetrical by the rivet (53) at middle part.
4. a kind of original position knob calibrating installation according to claim 1, is characterized in that: be provided with ring cover between described calibrating device main body (202) and knob (50), and this ring cover is fixed by M2*8 screw (211).
5. a kind of original position knob calibrating installation according to claim 1, is characterized in that: described knob calibrating device (111) lower port is provided with calibrating device mounting casing (201).
6. according to any one original position knob calibrating installation described in claim 1 to 5, it is characterized in that: also comprise calibrating installation support body, this support body comprises Connection Block (101), air blowing inner ring (102), 70 internal diameter O types circle (103), valve (104), window glass sheet II (105), mounting flange (106), 25 internal diameter O types circle (107), M2.5 screw (108), terminal box (109), captive screw (110), knob calibrating device (111), M3 screw (112), 50 external diameter O types circle (113), calibrating device cover (114), M3*8 sunk screw (115).
7. a kind of original position knob calibrating installation described according to claim 6, it is characterized in that: described window glass sheet II (105), air blowing inner ring (102), mounting flange (106) are folded in Connection Block (101) successively, window glass sheet II (105) two sides outer rim is by 2 70 internal diameter O type circle (103) sealings, air blowing inner ring (102) is fixed by M3 sunk screw (115), and mounting flange (106) is fixed by M4*15 screw (116).
8. a kind of original position knob calibrating installation described according to claim 6, it is characterized in that: described Connection Block (101) side is provided with the jack assigning knob calibrating device (111), knob calibrating device (111) inserts in this jack, fixed by 3 M3 screws (112), calibrating device cover (114) inner chamber cover has 50 external diameter O types circle (113), and covers in knob calibrating device (111) head.
9. a kind of original position knob calibrating installation described according to claim 6, it is characterized in that: the side that described Connection Block (101) another and knob calibrating device (111) are at a right angle, be provided with terminal box (109), this terminal box (109) is fixed on Connection Block (101) by 25 internal diameter O types circle (107), M2.5 screw (108), captive screw (110).
10. a kind of original position knob calibrating installation described according to claim 6, is characterized in that: on Connection Block (101) side, with the symmetrical side of knob calibrating device (111), is provided with valve (104).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159057.6A CN105004645B (en) | 2014-04-21 | 2014-04-21 | In-situ knob type calibration device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410159057.6A CN105004645B (en) | 2014-04-21 | 2014-04-21 | In-situ knob type calibration device |
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| CN105004645A true CN105004645A (en) | 2015-10-28 |
| CN105004645B CN105004645B (en) | 2020-02-11 |
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Cited By (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 |
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