CN217687539U - Infrared focal plane detector test system - Google Patents
Infrared focal plane detector test system Download PDFInfo
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- CN217687539U CN217687539U CN202221428087.9U CN202221428087U CN217687539U CN 217687539 U CN217687539 U CN 217687539U CN 202221428087 U CN202221428087 U CN 202221428087U CN 217687539 U CN217687539 U CN 217687539U
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Abstract
The utility model discloses a test system of infrared focal plane detector performance, this infrared focal plane detector test system include at least three black body radiation source module, drive assembly module, information acquisition module and data processing module. The driving assembly module includes: coding motor, mount pad, photoelectric switch etc. information acquisition module installs on the mount pad. All the modules are connected through a quick-release structure, and the assembling and adjusting complexity is reduced. The system has the implementation mode that: the mounting seat is controlled by the coding motor to drive the information acquisition module to freely move among the blackbody radiation source modules, and the infrared focal plane detector faces blackbodies with different temperatures and takes background data at different temperatures, so that correlation calculation is performed. The counting return-to-zero position, namely the position of the photoelectric switch, is added in the information acquisition module, so that the error accumulation of the coding motor is reduced, and the positioning precision is further improved.
Description
Technical Field
The embodiment of the application relates to the technical field of infrared focal plane detector production, in particular to an infrared focal plane detector testing system.
Background
With the wide application of infrared thermal imaging technology in multiple fields such as military, medicine, meteorology and the like, the infrared focal plane detector of the core device gets more and more attention.
Along with the popularization of the infrared focal plane detector, the requirement for mass shipment of the infrared focal plane detector is higher and higher, and considering that the infrared focal plane detector cannot achieve an excellent yield in the whole production process, a special infrared focal plane detector performance test system is very necessary to be constructed in order to ensure the image quality of an infrared imaging system. In the actual production process, the finished product and the semi-finished product of each produced infrared focal plane detector are tested by the infrared focal plane detector performance testing system, on one hand, unqualified products can be screened out in time to reduce the waste of materials, and on the other hand, each detector handed to a user can be ensured to be in a qualified state.
However, the conventional performance testing system for the infrared focal plane detector is complicated to install and adjust, and because the coding motor has a certain error rate, the error is large after long-time accumulation, so that the positioning precision is low, and the accurate test of each product cannot be stably guaranteed.
Disclosure of Invention
The embodiment of the application provides an infrared focal plane detector testing system, which can solve the problems of complex installation and adjustment and low positioning precision of a conventional infrared focal plane detector performance parameter testing system.
In order to solve the above technical problem, the embodiment of the utility model provides a following technical scheme:
the embodiment of the application provides a test system of an infrared focal plane detector, which comprises at least three blackbody radiation source modules, an information acquisition module, a driving component module and a data processing module, wherein,
the information acquisition module is arranged above the driving assembly module, the driving assembly module comprises a coding motor, a ball screw, a mounting seat, a linear guide rail, a photoelectric switch and a photoelectric blocking piece, the mounting seat is arranged on a ball screw nut, the photoelectric blocking piece is arranged on the mounting seat, and the photoelectric switch is arranged on the side face of the linear guide rail;
the coding motor is connected with the data processing module through a motor driving module, and the motor driving module is used for controlling the coding motor;
the information acquisition module and the driving assembly module are connected through a quick-release structure,
the driving assembly module is connected with the at least three blackbody radiation source modules through a quick-release structure;
the information acquisition module is connected with the data processing module.
In some alternative embodiments, the quick release structure includes a detent and a thumb screw.
In some alternative embodiments, at least three blackbody radiator modules are arranged equidistantly, the radiation direction of the blackbody radiator modules is perpendicular to the linear guide rail, and the temperature settings of the at least three blackbody radiator modules are different.
In some alternative embodiments, the encoder motor and the ball screw are used for providing driving force for the mounting seat, and the linear guide rail is used for providing guiding effect for the mounting seat.
In some optional embodiments, the information acquisition module comprises a diaphragm, a Socket test seat, a circuit board, an isolation frame and a double-plate damping turnover part, and the double-plate damping turnover part is connected with the mounting seat.
In some optional embodiments, a screw hole position is preset at the front end of the Socket test seat and used for installing a diaphragm, and the caliber of the diaphragm is designed to be F1.0.
In some optional implementation modes, socket test seat includes upper floating plate, lower floating plate, detector mounting groove and gets the hand groove, gets the hand groove and sets up in detector mounting groove side, and the detector mounting groove sets up between upper floating plate and lower floating plate for place the infrared focal plane detector that awaits measuring.
In some optional embodiments, the information collecting module and the data processing module are connected via a Serial Bus (USB), and the USB is configured to transmit the information collected by the information collecting module to the data processing module.
In order to solve the problems that a conventional infrared focal plane detector system is not easy to install and adjust and low in positioning accuracy, the embodiment of the application provides an infrared focal plane detector testing system which comprises at least three black body radiation source modules, an information acquisition module, a driving assembly module and a data processing module, wherein the information acquisition module is arranged above the driving assembly module, the driving assembly module comprises a coding motor, a ball screw, a mounting seat, a linear guide rail, a photoelectric switch and a photoelectric blocking piece, the mounting seat is arranged on a ball screw nut, the photoelectric blocking piece is arranged on the mounting seat, and the photoelectric switch is arranged on the side face of the linear guide rail; the coding motor is connected with the data processing and calculating module through a motor driving module, and the motor driving module is used for controlling the coding motor; the information acquisition module is connected with the driving assembly module through a quick-release structure, and the driving assembly module is connected with at least three blackbody radiation source modules through a quick-release structure; the information acquisition module is connected with the data processing module. The mounting base is controlled by the coding motor to drive the information acquisition module to move among the blackbody radiation sources, the infrared focal plane detector to be tested faces the blackbody radiation sources with different temperatures, and the data processing module takes background data at different temperatures to perform test-related calculation. The utility model discloses an use each module of quick detach structural connection, the loaded down with trivial details problem is transferred to effectual conventional infrared focal plane detector test system of having solved, through increase a count zero position in the information acquisition module, reduced the error accumulation of coding motor, and then solved the problem that conventional infrared focal plane detector test system positioning accuracy is low, greatly improved environmental suitability, provide the guarantee of stability for the test shipment of product.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an infrared focal plane detector testing system according to an embodiment of the present disclosure;
fig. 2A is a schematic structural diagram of an information acquisition module according to an embodiment of the present disclosure;
fig. 2B is a schematic structural diagram of a Socket test Socket according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a driving module according to an embodiment of the present disclosure.
The reference numerals in fig. 1 to 3 denote parts: the device comprises a black body radiation source 1, an information acquisition module 2, a diaphragm 2-1, a Socket 2-2 test seat, an upper floating plate 2-2.1, a lower floating plate 2-2.2, a circuit board 2-3, an isolation frame 2-4, a double-plate damping turnover part 2-5, an infrared focal plane detector 2-6 to be tested, a driving assembly module 3, a coding motor 3-1, a coupler 3-2, a ball screw 3-3, a mounting seat 3-4, a linear guide rail 3-5, a linear guide rail 3-6, a photoelectric switch 3-7, a ball screw nut 3-8, a mounting platform 3-9, a photoelectric catch 3-10 and a foot cup 3-11.
Detailed Description
The technical solutions of the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
The terminology used in the following embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in the specification of this application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that although the terms first, second, etc. may be used in the following embodiments to describe a certain class of objects, the objects should not be limited by these terms. These terms are only used to distinguish between particular objects of that class of objects.
As shown in fig. 1, fig. 2A, fig. 2B and fig. 3, an embodiment of the present invention provides an infrared focal plane detector testing system, which includes: the blackbody radiation source module comprises at least three blackbody radiation source modules 1, an information acquisition module 2, a driving assembly module 3 and a data processing module, wherein the information acquisition module 1 is arranged above the driving assembly module 3, the driving assembly module 3 comprises a coding motor 3-1, a ball screw 3-3, a mounting seat 3-4, a linear guide rail 3-6, a photoelectric switch 3-7 and a photoelectric catch 3-10, the mounting seat 3-4 is arranged on a ball screw nut 3-8, the photoelectric catch 3-10 is arranged on the mounting seat 3-4, and the photoelectric switch 3-7 is arranged on the side face of the linear guide rail 3-6; the coding motors 3-4 are connected with the data processing module through a motor driving module, and the motor driving module is used for controlling the coding motors; the information acquisition module 2 and the driving assembly module 3 are connected through a quick-release structure, and the driving assembly module and at least three blackbody radiation source modules are connected through a quick-release structure; the information acquisition module is connected with the data processing module.
In the embodiment, the coding motor 3-1, the ball screw 3-3, the linear guide rail 3-6 and other components are fixed on an aluminum profile through a support and screws, four corners of the aluminum profile are supported through 4L-shaped supports and the foot cups 3-11, and the supporting height and the levelness can be adjusted by adjusting nuts of the foot cups.
The system implementation manner in this embodiment is: the mounting base is controlled by the coding motor to drive the information acquisition module to move among the three black body radiation sources, the infrared focal plane detector to be tested faces the black body radiation sources with different temperatures, and the data processing module takes background data at different temperatures to perform test-related calculation. The position of the photoelectric switch is set to be a counting zero position, and the photoelectric blocking piece 3-10 just shields the photoelectric switch from the photoelectric blocking piece when the mounting seat moves to the position of the photoelectric switch through installation and adjustment, the photoelectric switch gives a signal, the counting of the coding motor returns to zero and resets, the counting is restarted, and therefore errors cannot be accumulated.
It is visible, adopt this embodiment, the utility model provides an infrared focal plane detector test system, through using each module of quick detach structural connection, the loaded down with trivial details problem is transferred in the effectual conventional infrared focal plane detector test system of having solved, through increasing the count zero return position in information acquisition module, photoelectric switch position promptly reduces the error accumulation of coding motor, and then improves positioning accuracy, has greatly improved environmental suitability, provides the guarantee of stability for the test shipment of product.
In some embodiments of the present invention, the quick-release structure includes a positioning slot and a screw.
In this embodiment, the structure used for connecting the modules is a positioning slot structure, but the connecting structure between the modules is not limited to the positioning slot structure in this embodiment, and may also be other quick-release structures.
The utility model discloses an among some embodiments, at least three black body radiation source module equidistance is arranged, and these black body radiation source module radiation direction perpendicular to linear guide, and at least three black body radiation source module temperature sets up differently.
In this embodiment, the three blackbody radiation source modules are arranged at equal intervals, the temperatures are set differently, the radiation directions are perpendicular to the linear guide rail, the number of the blackbody radiation source modules is determined according to the test requirements, the number of the blackbody radiation source modules can be increased, but the temperatures of the blackbody radiation source modules still need to be set differently, and the radiation directions are unchanged.
The utility model discloses an in some embodiments, coding motor and ball screw are used for providing drive power for the mount pad, and linear guide is used for providing the guide effect for the mount pad.
In the embodiment, the coding motor and the ball screw provide driving force for the mounting base together, the linear guide rail provides guidance for the movement of the mounting base, and the linear guide rail can also be replaced by a polished rod and a linear bearing, a deflector rod and a linear groove and the like to provide guidance for the mounting base.
The utility model discloses an among some embodiments, information acquisition module includes diaphragm, socket test seat, circuit board, isolation frame and double plate damping upset part, and double plate damping upset part is connected with the mount pad.
The utility model discloses an among some embodiments, the screw hole site is predetermine to Socket test Socket front end for the installation diaphragm, the bore design of diaphragm is F1.0.
The utility model discloses an among some embodiments, socket test seat includes upper floating plate, lower floating plate, detector mounting groove and gets the hand groove, gets the hand groove and sets up in detector mounting groove side, and the detector mounting groove sets up between upper floating plate and lower floating plate for place the infrared focal plane detector that awaits measuring.
In the embodiment, the Socket test seat 2-2 adopts a design of an upper floating plate and a lower floating plate, four springs are arranged at four corners between the upper floating plate 2-2.1 and an upper cover of the Socket test seat 2-2, and the springs are stressed and compressed to proper positions through screws at the four corners. This is also true between the lower floating plate 2-2.2 and the Socket test Socket base described above. The difference is that when a spring is selected, the compression of the upper floating plate is carried out after the pin of the infrared focal plane detector 2-6 to be detected is ensured to be in good contact with the probe in the lower floating plate 2-2.2 through calculation. A hand taking groove is designed on the side surface of the mounting groove of the Socket test seat 2-2 detector, so that the infrared focal plane detector to be tested can be conveniently taken out.
A screw hole position is reserved at the front end of the Socket test seat 2-2 and used for installing and fixing the diaphragm 2-1, and the aperture of the diaphragm is guaranteed to be F1.0. The same holes can be used to fit the remaining required optical components.
In some optional embodiments, the information collecting module and the data processing module are connected via a Serial Bus (USB), and the USB is configured to transmit the information collected by the information collecting module to the data processing module.
The above-mentioned embodiments, objects, technical solutions and advantages of the present application are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present application should be included in the scope of the present invention.
Claims (8)
1. An infrared focal plane detector testing system, comprising: at least three blackbody radiation source modules, an information acquisition module, a driving component module and a data processing module, wherein,
the information acquisition module is arranged above the driving assembly module, the driving assembly module comprises a coding motor, a ball screw, a mounting seat, a linear guide rail, a photoelectric switch and a photoelectric blocking piece, the mounting seat is arranged on the ball screw nut, the photoelectric blocking piece is arranged on the mounting seat, and the photoelectric switch is arranged on the side surface of the linear guide rail;
the coding motor is connected with the data processing module through a motor driving module, and the motor driving module is used for controlling the coding motor;
the information acquisition module is connected with the driving assembly module through a quick-release structure, and the driving assembly module is connected with the at least three blackbody radiation source modules through a quick-release structure;
the information acquisition module is connected with the data processing module.
2. The infrared focal plane detector testing system of claim 1, wherein the quick release structure comprises a positioning slot and a thumb screw.
3. The infrared focal plane detector testing system of claim 1, wherein the at least three blackbody radiator modules are arranged equidistantly, the radiation direction of the at least three blackbody radiator modules is perpendicular to the linear guide rail, and the at least three blackbody radiator modules have different temperature settings.
4. The infrared focal plane detector testing system of claim 1, wherein the encoder motor is configured to provide a driving force to the mounting base, the ball screw is configured to provide a driving force to the mounting base, and the linear guide is configured to provide a guiding function to the mounting base.
5. The infrared focal plane detector testing system of claim 1, wherein the information acquisition module comprises a diaphragm, a Socket test Socket, a circuit board, an isolation frame, and a dual-plate damping flip part, the dual-plate damping flip part being connected to the mount.
6. The infrared focal plane detector testing system of claim 5, wherein a screw hole site is preset at the front end of the Socket testing seat and used for installing the diaphragm, and the aperture of the diaphragm is designed to be F1.0.
7. The infrared focal plane detector testing system of claim 5, wherein the Socket test Socket comprises an upper floating plate, a lower floating plate, a detector mounting groove and a hand-fetching groove, wherein the hand-fetching groove is arranged on the side surface of the detector mounting groove, and the detector mounting groove is arranged between the upper floating plate and the lower floating plate and used for placing the infrared focal plane detector to be tested.
8. The infrared focal plane detector testing system of claim 1, wherein said information acquisition module and said data processing module are connected via a serial bus USB, said USB for transferring information acquired by said information acquisition module to said data processing module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221428087.9U CN217687539U (en) | 2022-06-08 | 2022-06-08 | Infrared focal plane detector test system |
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| CN202221428087.9U CN217687539U (en) | 2022-06-08 | 2022-06-08 | Infrared focal plane detector test system |
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| CN217687539U true CN217687539U (en) | 2022-10-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597720A (en) * | 2022-11-08 | 2023-01-13 | 广州市星飞达电子科技有限公司（Cn） | A prevent sun burning mechanism for thermal infrared imager |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597720A (en) * | 2022-11-08 | 2023-01-13 | 广州市星飞达电子科技有限公司（Cn） | A prevent sun burning mechanism for thermal infrared imager |
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