CN104075999A - Automatic observing device used for mineral spectrum test - Google Patents
Automatic observing device used for mineral spectrum test Download PDFInfo
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- CN104075999A CN104075999A CN201410336897.5A CN201410336897A CN104075999A CN 104075999 A CN104075999 A CN 104075999A CN 201410336897 A CN201410336897 A CN 201410336897A CN 104075999 A CN104075999 A CN 104075999A
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Abstract
The invention belongs to the field of an experiment test, and particularly relates to an automatic observing device used for testing mineral spectrum. The automatic observing device comprises a device box, a sample cavity, a first mineral spectroscope, a second mineral spectroscope, a first camera, a second camera and a control system; an LED light source is arranged in the device box; the objective lens ends of the first mineral spectroscope and the second mineral spectroscope are inserted into the device box; the eye lens ends of the first mineral spectroscope and the second mineral spectroscope are connected with the first camera and the second camera respectively; the first camera and the second camera are connected with a data card through a first transmission cable and a second transmission cable; the data card is connected with the control system through a third transmission cable; the LED light source arranged in the device box is connected with a driving circuit through a fourth transmission circuit; the diving circuit is connected with the control system through a fifth transmission circuit. The automatic observing device has the beneficial effects that the testing efficiency and the identifying accuracy of a mineral sample are improved, and the requirements for proficiency and experience of testing staff are lowered.
Description
Technical field
The invention belongs to experiment detection field, particularly, relate to a kind of automatic observation device detecting for mineral spectra, for realizing the fixing and automatic Observation to mineral samplers.
Background technology
At present, on mineralogy, often utilize different minerals sample to absorb the key character as mineral identification and evaluation to the selectivity of full spectrum visible ray.Knownly mineral samplers is carried out to spectrophotometric spectra detection generally there are two kinds of modes: the most frequently used is transmitted light detection method, after full spectrum visible ray directly penetrates mineral samplers to be measured, enters spectroscope, can observe transmitted spectrum; Another kind method is reflected light detection method, and full spectrum visible ray occurs after reflection and refraction in mineral samplers to be measured, then enters spectroscope.In operating process, these two kinds of detection modes are all taked the observation procedure clamping by hand, and light source, spectroscope and mineral samplers to be measured all rely on manual clamping.This kind of method be inefficiency not only, highly relies on tester's experience and skill level, but also exists a lot of problems:
(1), light source used is high-power fiberoptic lamp, power consumption is large, complex structure, optical fiber flexible pipe is very easy to damage, and the high temperature producing that works long hours can destroy mineral samplers;
(2), when the less mineral samplers of clamping size, small part light can see through finger enter spectroscope, sneaks into the spectrum of blood of human body in the spectrum observing, and to testing result, brings very large error;
(3), observation space is not airtight, has part veiling glare directly to inject spectroscope viewport, reduces the spectral resolution observing;
(4), in spectroscope eyepiece, observed result cannot file;
(5), the transmitted spectrum of same sample and reflectance spectrum cannot be done comparative study.
The patent No. is that the utility model patent " a kind of clamping device for jewel " of ZL200320125527.4 discloses a kind of clamping device for jewel, by spectroscope gripping frame, jewel fixed mount, center link and light source gripping, is configured to.Center link is extracted from jewel fixed mount, the jewel that needs are differentiated is put into from the axis hole on jewel fixed mount right side, and by rotating three jewel fixed mounts adjustment bolt handles, jewel is fixed in jewel fixed mount, and then center link is inserted in the right side axis hole of jewel fixed mount, then light source is fixed on light source gripping frame, finally again spectroscope is inserted in spectroscope gripping frame central shaft hole, and makes spectroscope and soft anti-dazzling screen and jewel close contact.This utility model is only applicable to transmitted light observation, cannot use, and the optical fiber lamp heating that works long hours easily damages mineral samplers to be measured in reflected light observation method, also cannot preserve observed result.
In sum, in prior art, mineral spectra detects complicated operation, checkout equipment used easily damages; The high temperature of equipment generation in service, not only produces huge energy consumption, and is easy to mineral samplers to damage, and runs counter to the basic norm of " Non-Destructive Testing "; Testing process is affected by the external environment greatly, causes that testing result error is large, resolution is low, and cannot file, and more two kinds of resulting results of detection method of transmission and reflection can not be put together and is carried out accurate comparative analysis.The existence of the problems referred to above, has directly reduced the work efficiency of mineral spectra detection and the degree of accuracy of testing result.
Summary of the invention
In order to overcome the defect of prior art, the invention provides a kind of automatic detection device detecting for mineral spectra, adopt mechanical hook-up to be fixed mineral spectroscope and mineral samplers to be measured, adopt the LED light source of low energy consumption as transmitting illuminant, and utilize camera collection testing result.
For achieving the above object, the present invention adopts following proposal:
The automatic observation device detecting for mineral spectra, comprising: cabinet, sample bin, the first mineral spectroscope, the second mineral spectroscope, the first camera, second camera, control system; In cabinet, be provided with LED light source, sample bin is located at the bottom in cabinet; The first mineral spectroscope objective end is inserted in cabinet, and eyepiece end is connected with the first camera; The spectroscopical objective end of the second mineral is inserted in cabinet, and eyepiece end is connected with second camera; The first camera is connected with data card by the first transmission cable; Second camera is connected with data card by the second transmission cable; Data card is connected with control system by the 3rd transmission cable; LED light source in cabinet is connected with driving circuit by the 4th transmission cable, and driving circuit is connected with control system by the 5th transmission cable.
With respect to prior art, beneficial effect of the present invention is as follows:
(1), utilize mechanical hook-up to be fixed mineral spectroscope and sample, not only convenience and high-efficiency, reliable and stable, and detection space is completely airtight, has eliminated the impact of external environment.
(2), utilize the life-span is long, energy consumption is low full-spectrum LED as transmitting illuminant, simple to operate, failure rate is low not only, and long-time testing process can not damaged mineral samplers to be measured.
(3), by camera, gather respectively reflectance spectrum and the transmitted spectrum of same sample, and file and comparative analysis, can improve the degree of accuracy of testing result.
(4), improved the detection efficiency of mineral samplers and the degree of accuracy of discriminating, reduced the requirement to testing staff's skill level and experience.
Accompanying drawing explanation
Fig. 1 is that the master of the automatic observation device that detects for mineral spectra looks schematic diagram;
Fig. 2 is that the cabinet master of the automatic observation device that detects for mineral spectra looks schematic diagram;
Fig. 3 looks schematic diagram for a cabinet left side for the automatic observation device of mineral spectra detection;
Fig. 4 looks schematic diagram for the right side of the automatic observation device of mineral spectra detection;
Fig. 5 is the cabinet schematic rear view for the automatic observation device of mineral spectra detection;
Fig. 6 is the cabinet cross-sectional schematic for the automatic observation device of mineral spectra detection;
Fig. 7 is that the sample bin master of the automatic observation device that detects for mineral spectra looks schematic diagram;
Fig. 8 is the sample bin schematic top plan view for the automatic observation device of mineral spectra detection;
Fig. 9 looks schematic diagram for the sample bin right side of the automatic observation device of mineral spectra detection;
Figure 10 is the automatic observation device sample bin cross-sectional schematic detecting for mineral spectra;
Figure 11 is the anti-dazzling screen front view for the automatic observation device of mineral spectra detection.
Embodiment
As shown in Figure 1, the automatic observation device detecting for mineral spectra, comprising: cabinet 1, sample bin 2, the first mineral spectroscope 3, the second mineral spectroscope 4, the first camera 5, second camera 6, control system 7; In cabinet 1, be provided with LED light source, sample bin 2 is located at the bottom in cabinet 1; The first mineral spectroscope 3 objective end are inserted in cabinet 1, and eyepiece end is connected with the first camera 5; The objective end of the second mineral spectroscope 4 is inserted in cabinet 1, and eyepiece end is connected with second camera 6; The first camera 5 is connected with data card 512 by the first transmission cable 511; Second camera 6 is connected with data card 512 by the second transmission cable 611; Data card 512 is connected with control system 7 by the 3rd transmission cable 513; LED light source in cabinet is connected with driving circuit 712 by the 4th transmission cable 713, and driving circuit 712 is connected with control system 7 by the 5th transmission cable 711.
The first camera 5 reads after the first mineral spectroscope 3 eyepiece hole place pictures, by the first transmission cable 511, observed information is sent to data card 512, and information is delivered to control system 7 by the 3rd transmission cable 513 after data card 512; Image in control system 7 observable eyepieces, also can store observed image output in the middle of specified file.
Second camera 6 reads after the second mineral spectroscope 4 eyepiece hole place pictures, by the second transmission cable 611, observed information is sent to data card 512, and information is delivered to control system 7 by the 3rd transmission cable 513 after data card 512; Image in control system 7 observable eyepieces, also can store observed image output in the middle of specified file.
The first camera 5, the first mineral spectroscope 3 connecting places are provided with the first enclosed hood 311, the first enclosed hood 311 can play and connect the first camera 5 and the first mineral spectroscope 3 and block the effect that extraneous light disturbs, during use, utilize the first enclosed hood 311 that the eyepiece end of the first camera 5 and the first mineral spectroscope 3 is coupled together, the first camera 5 can read the first mineral spectroscope 3 eyepiece hole place pictures in real time.
Second camera 6, the second mineral spectroscope 4 connecting places are provided with the second enclosed hood 411, the second enclosed hood 411 can play and connect second camera 6 and the second mineral spectroscope 4 and block the effect that extraneous light disturbs, during use, utilize the second enclosed hood 411 that the eyepiece end of second camera 6 and the second mineral spectroscope 4 is coupled together, second camera 6 can read the second mineral spectroscope 4 eyepiece hole place pictures in real time.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 6, cabinet 1 is comprised of front chassis shell 111, upper left chassis shell 112, rear chassis shell 113, right chassis shell 114, lower case shell 115, between front chassis shell 111, upper left chassis shell 112, rear chassis shell 113, right chassis shell 114, lower case shell 115, be fixedly connected with, form airtight space;
Front chassis shell 111, rear chassis shell 113, right chassis shell 114, lower case shell 115 form by single plane; Upper left chassis shell 112 is comprised of left shell face 1120, oblique shell face 1121,1,122 three planes of epivalve, the angle that left shell face 1120 and lower case shell 115, epivalve are 1122 is all 90 °, left shell face 1120 and tiltedly 1121 angles of shell face are 135 °, and the angle that oblique shell face 1121 and epivalve are 1122 is 135 °;
Front chassis shell 111 is provided with latch door 1116, can freely pick and place sample bin 2 after extracting latch door 1116;
A LED lamp base 1123, the 2nd LED lamp base 1124, the 3rd LED lamp base 1125 are equipped with in the inner side of epivalve 1122, the first full spectrum white-light LED lamp 1126 is installed in the one LED lamp base 1123, in the 2nd LED lamp base 1124, be provided with in the second full spectrum white-light LED lamp 1127, the three LED lamp bases 1125 the 3rd full spectrum white-light LED lamp 1128 is installed; The intersection of the one LED lamp base 1123 next-door neighbour upper left chassis shells 112 and right chassis shell 114, and do not form and interfere with the full spectrum white-light LED lamp 1148 of the 5th LED lamp base the 1146, the 5th; The 3rd LED lamp base 1125 be installed on the second specimen holder 214 directly over; The 2nd LED lamp base 1124 is installed on the mid point of a LED lamp base 1123 and the 3rd LED lamp base 1125 lines.
Right chassis shell 114 inner sides are equipped with in the 4th LED lamp base 1145, the 5th LED lamp base 1146, the four LED lamp bases 1145 and are provided with in the 4th full spectrum white-light LED lamp 1147, the five LED lamp bases 1146 the 5th full spectrum white-light LED lamp 1148 is installed; The 4th LED lamp base 1145 is installed on right chassis shell 114 inner sides, and coaxial with the first specimen holder 212, third through-hole 219, the first mineral spectroscope 3 objective end observation ports; The 5th LED lamp base 1146 is installed on right chassis shell 114 inner sides, and its position in vertical direction need be higher than the second mineral spectroscope 4 objective end observation ports, and must not form and interfere with the full spectrum white-light LED lamp 1126 of a LED lamp base 1123, first.
First full spectrum white-light LED lamp the 1126, second full spectrum white-light LED lamp 1127, the 3rd full spectrum white-light LED lamp 1128, the 4th full spectrum white-light LED lamp 1147, the 5th full spectrum white-light LED lamp 1148, all in same vertical plane A-A.
The light focusing emitting of first full spectrum white-light LED lamp the 1126, second full spectrum white-light LED lamp 1127, the 3rd full spectrum white-light LED lamp 1128, the 5th full spectrum white-light LED lamp 1148 is in the second specimen holder 214 places;
The objective end observation port of the light path of the 4th full spectrum white-light LED lamp 1147 and the first specimen holder 212, third through-hole 219, the first mineral spectroscope 3 is on same straight line;
First full spectrum white-light LED lamp the 1126, second full spectrum white-light LED lamp 1127, the 3rd full spectrum white-light LED lamp 1128, the 4th full spectrum white-light LED lamp 1147, the 5th full spectrum white-light LED lamp 1148 are connected with driving circuit 712 by the 4th transmission cable 713, and driving circuit 712 is connected with control system 7 by the 5th transmission cable 711;
The center of the left shell face 1120 of upper left chassis shell 112, oblique shell face 1121 has the first through hole 118, the second through hole 119,
The left shell face 1120 of upper left chassis shell 112, oblique shell face 1121 outsides are respectively equipped with the first spectroscope mounting clamp 116, the second spectroscope mounting clamp 117; During installation, the objective end of the first mineral spectroscope 3, the second mineral spectroscope 4 is inserted first respectively in the circular hole of the first spectroscope mounting clamp 116, the second spectroscope mounting clamp 117, within inserting respectively again the first through hole 118, the second through hole 119, then tighten the screw 1161 of the first spectroscope mounting clamp 116, the screw 1171 of the second spectroscope mounting clamp 117; Soft rubber sealing bush is equipped with in the first through hole 118 and the second through hole 119 inner sides, for shielding extraneous light.
The first mineral spectroscope 3 is vertical with the left shell face 1120 of upper left chassis shell 112, and the second mineral spectroscope 4 is vertical with the oblique shell face 1121 of upper left chassis shell 112, and the angle of 4, the first mineral spectroscope 3 and the second mineral spectroscope is 45 °;
As shown in Figure 7, sample bin 2 takes the shape of the letter U, and sample bin 2 bottoms are provided with T-slot, and lower case shell 115 is provided with T shape guide rail 1151, and T-slot can coordinate with T shape guide rail 1151; On the U-shaped space inner bottom surface of sample bin 2, be inlaid with on the first support bar 211, the first support bars 211 and the first specimen holder 212, the first specimen holders 212 be installed for clamping the mineral samplers of transmission beam method observation; Outside the U-shaped space of sample bin 2, on end face, be inlaid with on the second support bar 213, the second support bars 213 and the second specimen holder 214, the second specimen holders 214 be installed for clamping the mineral samplers of reflectometry observation; Sample bin 2 left ends have rectangle gap 215, and rectangle gap is respectively equipped with rectangular channel 216, lower rectangular channel 217 in both sides Shang Xia 215, and upper rectangular channel 216, lower rectangular channel 217 are for placing anti-dazzling screen 218;
Anti-dazzling screen 218 is rectangular parallelepiped thin slice, has third through-hole 219 on it; During use, anti-dazzling screen is inserted in upper rectangular channel 216, lower rectangular channel 217, anti-dazzling screen 218 can all be blocked rectangle gap 215, only has third through-hole 219 can allow light to see through; After anti-dazzling screen 218 is installed location, third through-hole 219 and the first mineral spectroscope 3 objective end observation ports, mineral samplers to be measured, the 4th full spectrum white-light LED lamp 1147 are coaxial;
Control system 7 is sent LED lamp and is driven signal, through the 5th transmission cable 711, transfer to driving circuit 712, driving circuit 712 directly drives first full spectrum white-light LED lamp the 1126, second full spectrum white-light LED lamp 1127, the 3rd full spectrum white-light LED lamp 1128, the 4th full spectrum white-light LED lamp 1147, the 5th full spectrum white-light LED lamp 1148 by the 4th transmission cable 713, completes the control that LED lamp is lighted and extinguished;
Control system 7 can be carried out the selection of two kinds of mode of operations; When selective transmission observation mode of operation, control system 7 is controlled the 4th full spectrum white-light LED lamp 1147, the first camera 5 work of lighting; The light path of the 4th full spectrum white-light LED lamp 1147 is injected the first mineral spectroscope 3 objective end observation ports after by the third through-hole 219 on the first specimen holder 212, mineral samplers to be measured, anti-dazzling screen 218; When being stored in file, the observation picture that the first camera 5 collects at the eyepiece end of the first mineral spectroscope 3 also will continue to be shown in the first half of the observation interfaces windows of control system 7;
When selecting reflection observation mode of operation, control system 7 is controlled and is lighted first full spectrum white-light LED lamp the 1126, second full spectrum white-light LED lamp 1127, the 3rd full spectrum white-light LED lamp 1128, the 5th full spectrum white-light LED lamp 1148, second camera 5 work; First full spectrum white-light LED lamp the 1126, second full spectrum white-light LED lamp 1127, the 3rd full spectrum white-light LED lamp 1128, the 5th full spectrum white-light LED lamp 1148 light paths converge at the second specimen holder 214 places, inject the second mineral spectroscope 4 objective end observation ports after mineral samplers surface reflection to be measured; When being stored in file, the observation picture that second camera 6 collects at the eyepiece end of the second mineral spectroscope 4 also will continue to be shown in the latter half of the observation interfaces windows of control system 7;
Two kinds of mode of operations of control system 7 can not be moved simultaneously, and when switching between two kinds of mode of operations, the observation picture of front a kind of mode of operation gained is also shown on the observation interfaces windows of control system continuing when being stored in file.Thus, on observation interfaces windows, can obtain the observed result of transmission and two kinds of mode of operations of reflection, so that the transmission of same sample and reflection testing result are carried out to comparative study.
Claims (10)
1. the automatic observation device detecting for mineral spectra, comprising: cabinet, sample bin, the first mineral spectroscope, the second mineral spectroscope, the first camera, second camera, control system; It is characterized in that: in cabinet, be provided with LED light source, sample bin is located at the bottom in cabinet; The first mineral spectroscope objective end is inserted in cabinet, and eyepiece end is connected with the first camera; The spectroscopical objective end of the second mineral is inserted in cabinet, and eyepiece end is connected with second camera; The first camera is connected with data card by the first transmission cable; Second camera is connected with data card by the second transmission cable; Data card is connected with control system by the 3rd transmission cable; LED light source in cabinet is connected with driving circuit by the 4th transmission cable, and driving circuit is connected with control system by the 5th transmission cable.
2. the automatic observation device detecting for mineral spectra according to claim 1, is characterized in that: the first camera, the first mineral spectroscope connecting place are provided with the first enclosed hood, and second camera, the second mineral spectroscope connecting place are provided with the second enclosed hood.
3. according to the automatic observation device detecting for mineral spectra described in claim 1-2, it is characterized in that: cabinet is comprised of front chassis shell, upper left chassis shell, rear chassis shell, right chassis shell, lower case shell, between the front chassis shell of chassis shell, upper left chassis shell, rear chassis shell, right chassis shell, lower case shell, be fixedly connected with, form airtight space.
4. according to the automatic observation device detecting for mineral spectra described in claim 1-3, it is characterized in that: front chassis shell, rear chassis shell, right chassis shell, lower case shell form by single plane; Upper left chassis shell is comprised of left shell face, oblique shell face, three planes of epivalve, and the angle between left shell face and lower case shell, epivalve is all 90 °, and between left shell face and oblique shell face, angle is 135 °, and tiltedly the angle between shell face and epivalve is 135 °; Front chassis shell is provided with latch door.
5. according to the automatic observation device detecting for mineral spectra described in claim 1-4, it is characterized in that: a LED lamp base, the 2nd LED lamp base, the 3rd LED lamp base are equipped with in the inner side of epivalve, the first full spectrum white-light LED lamp is installed in the one LED lamp base, the second full spectrum white-light LED lamp is installed in the 2nd LED lamp base, the 3rd full spectrum white-light LED lamp is installed in the 3rd LED lamp base; The intersection of the one LED lamp base next-door neighbour's upper left chassis shell and right chassis shell, and do not form and interfere with the 5th LED lamp base, the 5th full spectrum white-light LED lamp; The 3rd LED lamp base be installed on the second specimen holder directly over; The 2nd LED lamp base is installed on the mid point of a LED lamp base and the 3rd LED lamp base line.
6. according to the automatic observation device detecting for mineral spectra described in claim 1-5, it is characterized in that: the 4th LED lamp base, the 5th LED lamp base are equipped with in right chassis shell inner side, the 4th full spectrum white-light LED lamp is installed in the 4th LED lamp base, the 5th full spectrum white-light LED lamp is installed in the 5th LED lamp base; The 4th LED lamp base is installed on right chassis shell inner side, and coaxial with the first specimen holder, third through-hole, the first mineral spectroscope objective end observation port; The 5th LED lamp base is installed on right chassis shell inner side, and its position in vertical direction need be higher than the second mineral spectroscope objective end observation port, and must not form interference with a LED lamp base, the first full spectrum white-light LED lamp.
7. according to the automatic observation device detecting for mineral spectra described in claim 1-6, it is characterized in that: the first full spectrum white-light LED lamp, the second full spectrum white-light LED lamp, the 3rd full spectrum white-light LED lamp, the 4th full spectrum white-light LED lamp, the 5th full spectrum white-light LED lamp, all in same vertical plane.
8. according to the automatic observation device detecting for mineral spectra described in claim 1-7, it is characterized in that: the light focusing emitting of the first full spectrum white-light LED lamp, the second full spectrum white-light LED lamp, the 3rd full spectrum white-light LED lamp, the 5th full spectrum white-light LED lamp is in the second specimen holder place; The 4th full spectrum white-light LED lamp and the first specimen holder, third through-hole, the spectroscopical objective end observation port of the first mineral are on same straight line; The first full spectrum white-light LED lamp, the second full spectrum white-light LED lamp, the 3rd full spectrum white-light LED lamp, the 4th full spectrum white-light LED lamp, the 5th full spectrum white-light LED lamp are connected with driving circuit by the 4th transmission cable, and driving circuit is connected with control system by the 5th transmission cable; The left shell face of upper left chassis shell, Xie Kemian center have the first through hole, the second through hole; The left shell face of upper left chassis shell, oblique shell face outside are respectively equipped with the first spectroscope mounting clamp, the second spectroscope mounting clamp; During installation, the first mineral spectroscope, the spectroscopical objective end of the second mineral are inserted first respectively in the circular hole of the first spectroscope mounting clamp, the second spectroscope mounting clamp, within inserting respectively again the first through hole, the second through hole, then tighten the screw of the first spectroscope mounting clamp, the screw of the second spectroscope mounting clamp; Soft rubber sealing bush is equipped with in the first through hole and the second through hole inner side.
9. according to the automatic observation device detecting for mineral spectra described in claim 1-8, it is characterized in that: the first mineral spectroscope is vertical with the left shell face of upper left chassis shell, the second mineral spectroscope is vertical with the oblique shell face of upper left chassis shell, and the angle between the first mineral spectroscope and the second mineral spectroscope is 45 °.
10. according to the automatic observation device detecting for mineral spectra described in claim 1-9, it is characterized in that: sample bin takes the shape of the letter U, sample bin bottom is provided with T-slot, and lower case shell is provided with T shape guide rail, and T-slot can coordinate with T shape guide rail; On the U-shaped space inner bottom surface of sample bin, be inlaid with the first support bar, the first specimen holder is installed on the first support bar, outside the U-shaped space of sample bin, on end face, be inlaid with the second support bar, the second specimen holder is installed on the second support bar, sample bin left end has rectangle gap, the upper and lower both sides of rectangle gap are respectively equipped with rectangular channel, lower rectangular channel, and upper rectangular channel, lower rectangular channel are used for placing anti-dazzling screen; Anti-dazzling screen is rectangle thin slice, has third through-hole on it; During use, anti-dazzling screen is inserted in upper rectangular channel, lower rectangular channel, anti-dazzling screen can all be blocked rectangle gap, only has third through-hole can allow light to see through; After anti-dazzling screen is installed location, third through-hole and the first mineral spectroscope objective end observation port, mineral samplers to be measured, the 4th full spectrum white-light LED lamp are coaxial; Control system is sent LED lamp and is driven signal, through the 5th transmission cable, transfer to driving circuit, driving circuit directly drives the first full spectrum white-light LED lamp, the second full spectrum white-light LED lamp, the 3rd full spectrum white-light LED lamp, the 4th full spectrum white-light LED lamp, the 5th full spectrum white-light LED lamp by the 4th transmission cable, completes the control that LED lamp is lighted and extinguished.
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| CN109297907A (en) * | 2018-11-20 | 2019-02-01 | 何碧侠 | One kind being used for mineral samplers automatic detection device |
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| CN109297906A (en) * | 2018-11-20 | 2019-02-01 | 何碧侠 | A kind of automatic testing method for mineral samplers |
| CN109297907A (en) * | 2018-11-20 | 2019-02-01 | 何碧侠 | One kind being used for mineral samplers automatic detection device |
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