CN110081975B - Spectrometer calibration jig and system - Google Patents
Spectrometer calibration jig and system Download PDFInfo
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- CN110081975B CN110081975B CN201910269247.6A CN201910269247A CN110081975B CN 110081975 B CN110081975 B CN 110081975B CN 201910269247 A CN201910269247 A CN 201910269247A CN 110081975 B CN110081975 B CN 110081975B
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- 238000001228 spectrum Methods 0.000 claims abstract description 20
- 230000003595 spectral effect Effects 0.000 claims description 26
- 238000012937 correction Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
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Abstract
The application provides a spectrum appearance calibration tool, including calibration camera lens, light emitting component. The calibration lens is provided with a calibration port. And a calibration lens is arranged at the top of the calibration lens. The light emitting component is arranged in the calibration lens. The light emitted by the light emitting component sequentially passes through the calibration port 110 and the calibration lens and is emitted into the spectrometer to be calibrated. The present application provides a spectrometer calibration system. This application is through in the calibration camera lens the installation directly over the calibration mouth the calibration lens, and utilize light that light emitting component sent passes behind the calibration lens, penetrate in treat in the calibration spectrum appearance, and then obtain calibration information, thereby it is right treat that the calibration spectrum appearance calibrates. The application has the advantages of convenience in operation, simple structure and low cost.
Description
Technical Field
The application relates to the technical field of spectrometers, in particular to a spectrometer calibration jig and a spectrometer calibration system.
Background
At present, optical elements are contained in more and more products in the fields of communication, instruments, testing and the like, and particularly optical elements used in a certain spectral range need to be tested by using a spectrometer. The precision of the spectrometer, especially the wavelength precision, not only directly affects the service performance of the optical element, but also is important to the quality, reliability and service life of the product.
At present, the mature equipment for calibrating the spectrometer is mostly only installed in a special laboratory, has a large size, and has a complex structure and high cost.
Disclosure of Invention
Therefore, it is necessary to provide a spectrometer calibration jig and system for solving the problems of complicated structure and high cost of the existing spectrometer calibration equipment.
A spectrometer calibration fixture, comprising:
the calibration lens is provided with a calibration port, and a calibration lens is arranged at the top of the calibration lens;
and the light emitting component is arranged in the calibration lens, and light emitted by the light emitting component sequentially passes through the calibration port and the calibration lens and is emitted into the spectrometer to be calibrated.
In one embodiment, the light emitting assembly comprises:
the lamp circuit board is fixed in the calibration lens;
the light source is electrically connected with the lamp circuit board, and the calibration port is arranged between the light source and the calibration lens.
In one embodiment, the spectrometer calibration fixture further comprises:
the shell comprises an outer shell and an inner shell arranged in the outer shell, and the calibration lens is clamped in the inner shell.
In one embodiment, the side wall of the calibration lens is provided with salient points;
the inner shell is provided with a guide rail and a positioning groove which are matched with the salient points;
the salient point is clamped in the inner shell through the matching of the guide rail and the positioning groove, so that the calibration lens is fixed in the inner shell.
In one embodiment, the spectrometer calibration fixture further comprises:
and the power supply assembly is electrically connected with the light-emitting assembly and is arranged between the inner shell and the outer shell.
In one embodiment, the power supply assembly includes:
the main circuit board is electrically connected with the light-emitting component and is arranged between the inner shell and the outer shell;
and the battery is electrically connected with the main circuit board and is arranged between the inner shell and the outer shell.
In one embodiment, the spectrometer calibration fixture further comprises:
the lifting mechanism is arranged between the inner shell and the outer shell, and the calibration lens rises and falls in the inner shell through the lifting mechanism.
In one embodiment, the lifting mechanism comprises:
a spring, one end of which is fixed to the housing;
the other end of the spring is mounted at the tail part of the positioning head, and the positioning head is mounted between the inner shell and the outer shell;
the pressing plate is arranged between the inner shell and the outer shell and used for fixing the spring and the positioning head between the inner shell and the outer shell;
the calibration lens is provided with a scale groove matched with the head of the positioning head, so that the calibration lens rises and falls in the inner shell.
In one embodiment, the spectrometer calibration fixture further comprises:
and the lens bracket is arranged at the bottom of the calibration lens and used for preventing the calibration lens from sliding out of the inner shell.
In one embodiment, the spectrometer calibration fixture further comprises:
the bottom shell is fixed at the bottom of the shell;
the supporting legs are fixed on one side of the bottom shell, which is far away from the shell.
A spectrometer calibration system comprising:
a spectrometer calibration fixture as in any above;
and the spectrometer to be calibrated is attached to one side of the calibration lens, which is arranged on the spectrometer calibration jig.
In one embodiment, the spectrometer to be calibrated includes:
the photoelectric sensor module is used for converting the optical signal emitted by the light-emitting component into an electric signal and generating spectral data information;
the controller is electrically connected with the photoelectric sensor module and used for receiving the spectrum data information, comparing the spectrum data information with preset spectrum data information to obtain a comparison result and sending the spectrum data information and the comparison result;
and the display screen is electrically connected with the controller and is used for displaying the spectral data information and the comparison result.
In one embodiment, the spectrometer calibration system further comprises:
and the host equipment is in communication connection with the controller and is used for receiving the spectral data information and the comparison result, generating a correction compensation value based on the spectral data information and the comparison result and sending the correction compensation value to the controller.
In one embodiment, the spectrometer calibration system further comprises:
and the power supply module is electrically connected with the controller and used for providing electric energy.
Compared with the prior art, the spectrometer calibration jig and the spectrometer calibration system have the advantages that the calibration lens is installed right above the calibration port in the calibration lens, light emitted by the light emitting component penetrates through the calibration lens and then enters the spectrometer to be calibrated, calibration information is obtained, and therefore the spectrometer to be calibrated is calibrated.
Drawings
Fig. 1 is an exploded view of a spectrometer calibration fixture according to an embodiment of the present application;
fig. 2 is a diagram illustrating a usage status of a spectrometer calibration fixture according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a light emitting device according to an embodiment of the present disclosure;
FIG. 4 is a bottom view of a housing provided in accordance with an embodiment of the present application;
FIG. 5 is an enlarged view taken at A in FIG. 4;
fig. 6 is a first cross-sectional view of a spectrometer calibration fixture according to an embodiment of the present application;
fig. 7 is a schematic diagram illustrating an unlocked state of a spectrometer calibration fixture according to an embodiment of the present application;
fig. 8 is a second cross-sectional view of a spectrometer calibration fixture according to an embodiment of the present application;
FIG. 9 is a block diagram of a spectrometer calibration system according to an embodiment of the present application;
fig. 10 is a flowchart of a method for calibrating a spectrometer according to an embodiment of the present application.
10 spectrometer calibration tool
100 calibration lens
101 calibration lens
110 calibration port
120 convex point
20 spectrometer calibration system
200 luminous assembly
201 spectrometer to be calibrated
202 photoelectric sensor module
203 controller
204 display screen
205 power supply module
206 host device
210 lamp circuit board
220 light source
300 casing
310 inner casing
311 guide rail
312 locating slot
313 scale groove
320 outer casing
400 lens support
500 power supply assembly
510 main circuit board
520 battery
600 lifting mechanism
610 spring
620 position head
630 pressing plate
710 bottom case
720 supporting feet
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and fig. 2, an embodiment of the present application provides a spectrometer calibration fixture 10, which includes a calibration lens 100 and a light emitting element 200. The calibration lens 100 is provided with a calibration port 110. The calibration lens 100 has a calibration lens 101 mounted on the top thereof. The light emitting assembly 200 is installed in the calibration lens 100. The light emitted from the light emitting component 200 sequentially passes through the calibration opening 110 and the calibration lens 101, and is emitted into the spectrometer 201 to be calibrated.
It is understood that the manner of mounting the calibration optics 101 on the top of the calibration lens 100 is not limited, as long as the calibration optics 101 are secured on the top of the calibration lens 100. The manner of installing the calibration lens 101 on the top of the calibration lens 100 can be selected according to actual requirements. In one embodiment, the calibration lens 101 may be snapped on top of the calibration lens 100 by means of a snap. In one embodiment, the calibration lens 101 may also be snapped on top of the calibration lens 100 by embedding. This snap-fit is used to facilitate the replacement of the calibration optics 101 on top of the calibration lens 100.
It is understood that the specific structure of the light emitting assembly 200 is not limited specifically, as long as the light emitted from the light emitting assembly 200 is ensured to pass through the calibration opening 110 and the calibration lens 101 in sequence and to be emitted into the spectrometer 201 to be calibrated. In an embodiment, the calibration hole 110 may be an opening or a through hole in a channel shape, and the specific structure of the calibration hole 110 may be selected according to actual requirements, as long as it is ensured that the light emitted by the light emitting element 200 sequentially passes through the calibration hole 110 and the calibration lens 101 and is emitted into the spectrometer 201 to be calibrated.
In one embodiment, the light assembly 200 may be composed of a solar panel in combination with a light source. As shown in fig. 3, in one embodiment, the light emitting assembly 200 may also be comprised of a lamp circuit board 210 and a light source 220. Specifically, the light source 220 may be a light emitting element such as an LED lamp. The lamp circuit board 210 can be fixed in the calibration lens 100 by means of screws matching with the positioning posts. The light source 220 is electrically connected to the lamp circuit board 210, and the calibration opening 110 is located between the light source 220 and the calibration lens 101, so that light emitted from the light source 220 sequentially passes through the calibration opening 110 and the calibration lens 101.
In one embodiment, the color of the light emitted by the light source 220 is not limited as long as the emitted light can pass through the calibration aperture 110 and the calibration lens 101 in sequence and enter the spectrometer 201 to be calibrated. In one embodiment, the color of the light emitted by the light source 220 may be purple. In one embodiment, the light emitted by the light source 220 may also be red in color.
In one embodiment, the spectrometers 201 to be calibrated currently correspond to the calibration optics 101 currently mounted on top of the calibration lens 100 in a one-to-one correspondence. Namely, the calibration lens 101 currently mounted on the top of the calibration lens 100 can assist in calibrating the spectrometer 201 to be calibrated. If the current spectrometer 201 to be calibrated is replaced, the calibration lens 101 corresponding to the spectrometer 201 to be calibrated needs to be replaced simultaneously.
In this embodiment, the calibration lens 101 is installed in the calibration lens 100 just above the calibration port 110, and light emitted by the light emitting element 200 passes through the calibration lens 101 and then enters the spectrometer 201 to be calibrated, so as to obtain calibration information, thereby calibrating the spectrometer 201 to be calibrated, and the calibration lens has the advantages of convenient operation, simple structure and low cost; the spectrometer calibration jig of this embodiment can break away from the laboratory to but wide application in scenes such as workshop, hospital, family life, when every scene uses simultaneously, not only limit to a certain assigned position, can use in any position under this scene, practicality greatly increased.
In one embodiment, the spectrometer calibration fixture 10 further comprises a lens holder 400. The lens holder 400 is mounted at the bottom of the calibration lens 100. The lens holder 400 is used to prevent the calibration lens 100 from sliding out of the housing 300.
In one embodiment, the manner of mounting the lens holder 400 on the bottom of the calibration lens 100 is not limited as long as the function of preventing the calibration lens 100 from sliding out of the housing 300 is provided. The specific manner of mounting the lens holder 400 on the bottom of the calibration lens 100 can be selected according to actual requirements. In one embodiment, the lens holder 400 may be fixed to the bottom of the calibration lens 100 by screws. In one embodiment, the lens holder 400 may also be fixed to the bottom of the calibration lens 100 by a snap-fit manner.
Referring to fig. 4, in one embodiment, the spectrometer calibration jig 10 further includes a housing 300. The housing 300 includes an outer shell 320 and an inner shell 310 disposed within the outer shell 320. The calibration lens 100 is clamped in the inner case 310. It is understood that the material of the housing 300 is not limited as long as the shape is ensured. In one embodiment, the housing 300 may be made of plastic. In one embodiment, the material of the housing 300 may also be rubber. In one embodiment, the housing 300 may be circular or square in shape.
It can be understood that the specific manner of the calibration lens 100 being clamped in the inner housing 310 can be selected according to actual requirements. In one embodiment, the calibration lens 100 may be snapped into the inner housing 310 by means of a snap. In one embodiment, the calibration lens 100 may be snapped into the inner housing 310 by way of insertion. In one embodiment, the inner housing 310 and the outer housing 320 may be concentrically arranged or not concentrically arranged, as long as the inner housing 310 is ensured to be arranged in the outer housing 320.
In one embodiment, the sidewall of the calibration lens 100 is provided with a bump 120. The inner case 310 is provided with a guide rail 311 and a positioning groove 312 (shown in fig. 5) which are engaged with the protrusions 120. The protruding point 120 is clamped to the inner housing 310 through the matching between the guide rail 311 and the positioning groove 312, so that the calibration lens 100 is fixed to the inner housing 310.
In one embodiment, the calibration lens 100 is loaded from the top of the inner housing 310, i.e., embedded in the space formed by the inner housing 310. Specifically, the bumps 120 on the sidewall of the calibration lens 100 are fitted into the space formed by the inner case 310 along the guide rails 311. After the calibration lens 100 is completely inserted into the space formed by the inner housing 310, the calibration lens 100 is rotated to fix the protrusions 120 in the positioning grooves 312, so that the calibration lens 100 is fixed in the inner housing 310.
In one embodiment, the number of the protruding points 120 corresponds to the number of the guiding rails 311, and the positions of the protruding points 120 on the side wall of the calibration lens 100 correspond to the positions of the guiding rails 311 on the inner housing 310. In an embodiment, the number of the bumps 120 is not limited, and may be set to be one, or may be set to be multiple, and may be selected according to actual requirements.
In one embodiment, the spectrometer calibration jig 10 further comprises a power supply assembly 500. The power supply assembly 500 is electrically connected to the light emitting assembly 200. The power supply assembly 500 is installed between the inner case 310 and the outer case 320.
It is understood that the specific structure of the power supply assembly 500 is not particularly limited as long as it can supply power to the light emitting assembly 200. In one embodiment, the power supply assembly 500 may be a solar panel coupled with a battery to provide power to the light emitting assembly 200. In one embodiment, the power supply assembly 500 may also be comprised of a main circuit board 510 and a battery 520. Specifically, the main circuit board 510 is electrically connected to the light emitting assembly 200, and the battery 520 is electrically connected to the main circuit board 510. The battery 520 and the main circuit board 510 are both mounted between the inner case 310 and the outer case 320.
In one embodiment, the main circuit board 510 may be fixed in a space formed between the inner case 310 and the outer case 320 by screws. In one embodiment, the main circuit board 510 may also be fixed in the space formed between the inner housing 310 and the outer housing 320 by means of a snap-fit. In one embodiment, the battery 520 may also be fixed in the space formed between the inner case 310 and the outer case 320 by a snap-fit manner.
In one embodiment, the type of the battery 520 is not limited as long as it has a power supply function. In one embodiment, the battery 520 may be a secondary battery having a charge and discharge function. In one embodiment, the battery 520 may also be a large capacity dry cell battery.
In one embodiment, the spectrometer calibration jig 10 further comprises an elevator mechanism 600. The elevating mechanism 600 is installed between the inner case 310 and the outer case 320. The calibration lens 100 is lifted and lowered in the inner case 310 by the lifting mechanism 600.
It is understood that the specific structure of the lifting mechanism 600 is not particularly limited as long as it has the function of lifting and lowering the calibration lens 100 in the inner housing 310. In one embodiment, the lifting mechanism 600 may be comprised of a mini hydraulic cylinder. In one embodiment, the lifting mechanism 600 may be comprised of a spring 610, a positioning head 620, and a platen 630. The lift mechanism 600 is used to lift and lower the alignment lens 100 in the inner case 310.
Specifically, one end of the spring 610 is fixed to the housing 320. The other end of the spring 610 is mounted to the tail of the positioning head 620. The positioning head 620 is installed between the inner case 310 and the outer case 320. The pressing plate 630 is installed between the inner case 310 and the outer case 320. The pressing plate 630 is used to fix the spring 610 and the positioning head 620 between the inner housing 310 and the outer housing 320. The calibration lens 100 is provided with a calibration groove 313 matched with the head of the positioning head 620, so that the calibration lens 100 can be lifted and lowered in the inner housing 310.
In one embodiment, one end of the spring 610 is mounted to the housing 320 and fixed to a predetermined position of the housing 320. The other end of the spring 610 is inserted into the tail of the positioning head 620, and the spring 610 and the positioning head 620 are fixed between the inner housing 310 and the outer housing 320 by the pressing plate 630, so as to prevent the spring 610 and the positioning head 620 from sliding between the inner housing 310 and the outer housing 320.
In one embodiment, the scale groove 313 is provided with a plurality of scale lines. By matching the positioning head 620 with the scale marks on the scale groove 313, the lifting distance of the calibration lens 100 can be calculated conveniently, and the positioning is facilitated. In one embodiment, the distance between adjacent tick marks may be set to 2 mm. In one embodiment, the distance between adjacent tick marks can also be set to 1.5 mm. In one embodiment, the shape of the scale groove 313 may be: the cross-sectional view along the light exit direction of the collimating lens 100 is a wave shape as shown in fig. 6. In one embodiment, the shape of the scale groove 313 may be a screw shape.
The lifting mechanism 600 works as follows: in the original state, the calibration lens 100 is aligned with the top surface of the housing 300 (as shown in fig. 6). When a spectrometer with a complex appearance needs to be calibrated, the calibration lens 100 can be lifted up to facilitate detection of the calibration. Specifically, the calibration lens 100 is first adjusted to an unlocked state (as shown in fig. 7); the calibration lens 100 is then pulled up by the finger position of the calibration lens 100. During the pulling process, the positioning head 620 is pressed against the graduation line of the graduation groove 313 due to the elastic force (as shown in fig. 8). Each time the calibration lens 100 is at a rest position, the protrusions 120 of the calibration lens 100 are aligned with the positioning slots 312 of the inner housing 310 of the housing 300.
When the calibration lens 100 is lifted up to a certain distance, the calibration lens 100 is adjusted to a locked state so as to fix the calibration lens 100. The protruding points 120 on the calibration lens 100 are twisted and then snapped into the positioning grooves 312 on the inner housing 310 to be fixed. Calibration of the spectrometer instrument (i.e. the spectrometer 201 to be calibrated) may then commence.
In one embodiment, the spectrometer calibration fixture 10 further comprises a bottom shell 710 and support legs 720. The bottom case 710 is fixed to the bottom of the housing 300. The supporting legs 720 are fixed on a side of the bottom case 710 away from the housing 300. In one embodiment, the bottom case 710 may be fixed to the bottom of the housing 300 by screwing. In one embodiment, the supporting legs 720 may be fixed to the bottom case 710 in an embedded manner. In one embodiment, the number of the supporting legs 720 is not limited, and may be four or three, and the specific number may be selected according to actual requirements.
The working mode of the application is as follows: firstly, aligning the lens of the spectrometer 201 to be calibrated with the calibration port 110; then the start switch is pressed to start calibration. The light source 220 on the lamp circuit board 210 emits red light (emitting light of different colors according to the requirements of different spectrometers), the light source sequentially penetrates through the calibration port 110 and the calibration lens 101 and enters the spectrometer 201 to be calibrated, the light is converted into an electrical signal, and the intensity of the emitted light is recorded. The parameter of the calibration lens 101 is a standard value, and a difference between a value obtained by a light source penetrating through the calibration lens 101 and entering the spectrometer 201 to be calibrated and the standard value is a deviation value. And correcting the deviation value to finish the calibration.
Referring to fig. 9, an embodiment of the present application provides a spectrometer calibration system 20, including a spectrometer calibration jig 10 and a spectrometer 201 to be calibrated according to any one of the above embodiments. The spectrometer 201 to be calibrated and the spectrometer calibration jig 10 are attached to one side of the calibration lens 101.
In one embodiment, the spectrometer 201 to be calibrated includes: a photoelectric sensor module 202, a controller 203 and a display screen 204. The photosensor module 202 is configured to convert the optical signal emitted by the light emitting element 200 into an electrical signal and generate spectral data information. The controller 203 is electrically connected to the photo sensor module 203. The controller 203 is configured to receive the spectrum data information, compare the spectrum data information with preset spectrum data information to obtain a comparison result, and send the spectrum data information and the comparison result. The display screen 204 is electrically connected to the controller 203. The display screen 204 is used for displaying the spectral data information and the comparison result.
In one embodiment, the photo sensor module 202 is an integrated module, and has the function of converting the light signal emitted from the light emitting device 200 into an electrical signal and generating spectral data information. In one embodiment, the controller 203 may be an MCU (micro control unit). In one embodiment, the comparing the spectrum data information with the preset spectrum data information by the controller 203 is: the controller 203 compares the difference between the spectrum data information and preset spectrum data information to obtain a difference comparison result. The controller 203 sends the obtained comparison result of the difference value to the display screen 204 for display.
In one embodiment, the spectrometer calibration system 20 further comprises a host device 206. The host device 206 is communicatively coupled to the controller 203. The host device 206 is configured to receive the spectral data information and the comparison result, generate a correction compensation value based on the spectral data information and the comparison result, and send the correction compensation value to the controller 203. In one embodiment, the host device 206 may be a computer or a tablet.
In one embodiment, the spectrometer calibration system 20 further comprises a power supply module 205. The power module 205 is electrically connected to the controller 203. The power module 205 is used to provide power. In one embodiment, the power module 205 may be a battery with a charging and discharging function. In one embodiment, the power module 205 may also be a large capacity dry cell battery.
In this embodiment, the calibration lens 101 is installed in the calibration lens 100 just above the calibration port 110, and light emitted by the light emitting element 200 passes through the calibration lens 101 and then enters the spectrometer 201 to be calibrated, so as to obtain calibration information, thereby calibrating the spectrometer 201 to be calibrated; the spectrometer calibration system 20 has the advantages of convenient operation, simple structure and low cost, and greatly increases the practicability.
Referring to fig. 10, an embodiment of the present application provides a method for calibrating a spectrometer, including:
s102: receiving the spectral data information sent by the photosensor module 202, and comparing the spectral data information with preset spectral data information to obtain a comparison result.
In one embodiment, the MCU may receive the spectral data information sent by the photosensor module 202, and compare the spectral data information with the preset spectral data information to obtain a comparison result. In one embodiment, the photo sensor module 202 is an integrated module, and has the function of converting the light signal emitted from the light emitting device 200 into an electrical signal and generating spectral data information. In one embodiment, comparing the spectral data information with preset spectral data information refers to: and comparing the difference value of the spectral data information with preset spectral data information to obtain a difference value comparison result. And sends the obtained comparison result of the difference to the display screen 204 for display.
S104: and sending the comparison result and the spectrum data information to a display screen 204 and a host device 206 for displaying.
In one embodiment, the display screen 204 may be an LED display screen and is disposed on the spectrometer 201 to be calibrated. In one embodiment, the host device 206 may be a computer or a tablet. In one embodiment, the host device 206 generates a correction compensation value based on the spectral data information and the comparison result, and transmits the correction compensation value to the MCU.
S106: and receiving the compensation value sent by the host device 206, and feeding the compensation value back to the photosensor module 202 to complete calibration of the spectrometer 201 to be calibrated.
In one embodiment, the MCU receives the compensation value sent by the host device 206 and feeds the compensation value back to the photosensor module 202, thereby completing the calibration of the spectrometer 201 to be calibrated.
In summary, in the present application, the calibration lens 101 is installed in the calibration lens 100 right above the calibration port 110, and light emitted by the light emitting element 200 passes through the calibration lens 101 and then enters the spectrometer 201 to be calibrated, so as to obtain calibration information, thereby calibrating the spectrometer 201 to be calibrated; has the advantages of convenient operation, simple structure and low cost, and greatly increases the practicability.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A spectrometer calibration jig, comprising:
the calibration lens is provided with a calibration port, and a calibration lens is arranged at the top of the calibration lens;
the light-emitting component is arranged in the calibration lens, and light emitted by the light-emitting component sequentially passes through the calibration port and the calibration lens and is emitted into the spectrometer to be calibrated;
the calibration lens comprises a shell, a lens holder and a lens, wherein the shell comprises an outer shell and an inner shell arranged in the outer shell, and the calibration lens is clamped in the inner shell;
the side wall of the calibration lens is provided with a convex point;
the inner shell is provided with a guide rail and a positioning groove which are matched with the salient points;
the salient point is clamped in the inner shell through the matching of the guide rail and the positioning groove, so that the calibration lens is fixed in the inner shell.
2. The spectrometer calibration jig of claim 1, wherein the light emitting assembly comprises:
the lamp circuit board is fixed in the calibration lens;
the light source is electrically connected with the lamp circuit board, and the calibration port is positioned between the light source and the calibration lens.
3. The spectrometer calibration jig of claim 1, further comprising:
and the power supply assembly is electrically connected with the light-emitting assembly and is arranged between the inner shell and the outer shell.
4. The spectrometer calibration jig of claim 1, further comprising:
the lifting mechanism is arranged between the inner shell and the outer shell, and the calibration lens rises and falls in the inner shell through the lifting mechanism.
5. The spectrometer calibration jig of claim 4, wherein the lifting mechanism comprises:
a spring, one end of which is fixed to the housing;
the other end of the spring is mounted at the tail part of the positioning head, and the positioning head is mounted between the inner shell and the outer shell;
the pressing plate is arranged between the inner shell and the outer shell and used for fixing the spring and the positioning head between the inner shell and the outer shell;
the calibration lens is provided with a scale groove matched with the head of the positioning head, so that the calibration lens rises and falls in the inner shell.
6. The spectrometer calibration jig of claim 1, further comprising:
and the lens bracket is arranged at the bottom of the calibration lens and used for preventing the calibration lens from sliding out of the inner shell.
7. A spectrometer calibration system, comprising:
the spectrometer calibration jig of any one of claims 1-6;
and the spectrometer to be calibrated is attached to one side of the calibration lens, which is arranged on the spectrometer calibration jig.
8. The spectrometer calibration system as recited in claim 7, wherein the spectrometer to be calibrated comprises:
the photoelectric sensor module is used for converting the optical signal emitted by the light-emitting component into an electric signal and generating spectral data information;
the controller is electrically connected with the photoelectric sensor module and used for receiving the spectrum data information, comparing the spectrum data information with preset spectrum data information to obtain a comparison result and sending the spectrum data information and the comparison result;
and the display screen is electrically connected with the controller and is used for displaying the spectral data information and the comparison result.
9. The spectrometer calibration system as recited in claim 8, further comprising:
and the host equipment is in communication connection with the controller and is used for receiving the spectral data information and the comparison result, generating a correction compensation value based on the spectral data information and the comparison result and sending the correction compensation value to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910269247.6A CN110081975B (en) | 2019-04-04 | 2019-04-04 | Spectrometer calibration jig and system |
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| CN201910269247.6A CN110081975B (en) | 2019-04-04 | 2019-04-04 | Spectrometer calibration jig and system |
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| CN110081975A CN110081975A (en) | 2019-08-02 |
| CN110081975B true CN110081975B (en) | 2021-06-04 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004177147A (en) * | 2002-11-25 | 2004-06-24 | Shimadzu Corp | Light emission measuring apparatus |
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| JP2004177147A (en) * | 2002-11-25 | 2004-06-24 | Shimadzu Corp | Light emission measuring apparatus |
| CN102656441A (en) * | 2010-10-21 | 2012-09-05 | 光学传感器公司 | Spectrometer with validation cell |
| CN102539397A (en) * | 2010-11-11 | 2012-07-04 | 索尼公司 | Fluorescent spectrum correcting method and fluorescent spectrum measuring device |
| CN107250739A (en) * | 2014-10-23 | 2017-10-13 | 威利食品有限公司 | The annex of Handheld spectrometer |
| CN107209059A (en) * | 2014-12-01 | 2017-09-26 | 仪器系统光学测量技术有限责任公司 | Method for calibration spectrum radiation gauge |
| CN108109938A (en) * | 2016-11-14 | 2018-06-01 | 真实仪器公司 | Optical alignment means and characterization system |
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| CN108040249A (en) * | 2017-11-24 | 2018-05-15 | 深圳市比亚迪电子部品件有限公司 | A kind of camera optical centre calibration jig |
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Address after: 518000 Guangdong science and technology innovation and Research Institute, Shenzhen, Shenzhen, Nanshan District No. 6, science and technology innovation and Research Institute, Shenzhen, D 10, 1004, 10 Patentee after: Shenzhen Hetai intelligent home appliance controller Co.,Ltd. Address before: 518051 1004, 10th floor, block D, Shenzhen Institute of aerospace technology innovation building, no.6, South Keji Road, high tech Zone, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN H&T DATA RESOURCES AND CLOUD TECHNOLOGY Ltd. |