Calibration device for thermal imager and blue light scanner

Abstract

The utility model provides a calibration device for a thermal imager and a blue light scanner, which comprises a section bar support and a plate body assembly, and the plate body assembly is assembled on the section bar support. The plate body assembly comprises a heating pad, a calibration plate and a plating layer, the calibration plate is stacked on one side of the heating pad, and the end face, away from the heating pad, of the calibration plate is coated with the plating layer; a plurality of sets of calibration holes are distributed in the plating layer in an array mode, a plurality of sets of mark points are arranged on the end face, away from the heating pad, of the calibration plate, and the mark points are communicated with the outside through the calibration holes. According to the utility model, the plating layer and the calibration plate are etched to form a black-matrix white-dot structure to meet the calibration requirement of the blue light scanner, and the plating layer is matched with the mark holes to meet the calibration requirement of the thermal imager, so that when the thermal imager and the blue light scanner need to be used for measurement at the same time, the calibration plate can be used as a common reference standard; errors caused by inconsistent standards of different devices are reduced, and the accuracy and reliability of overall measurement are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of calibration plates, and in particular relates to a calibration device for a thermal imager and a blue light scanner. Background Art

[0002] As an important non-contact temperature measurement device, infrared thermal imagers play a key role in numerous fields, such as industrial inspection and medical diagnosis. For infrared thermal imagers, determining the camera's internal and external parameters through calibration is a crucial step, impacting the accuracy of subsequent tasks.

[0003] In order to meet the diversified application needs of modern measurement technology, in scenarios such as industrial inspection and medical diagnosis, when thermal imagers and blue light scanners need to be used for measurement at the same time, the calibration plates used in existing technologies can only perform a single calibration function and cannot meet the calibration task needs of thermal imagers and blue light scanners at the same time. Utility Model Content

[0004] The utility model provides a calibration device for a thermal imager and a blue light scanner, aiming to solve the problem that the current calibration plate cannot meet the calibration task requirements of the thermal imager and the blue light scanner at the same time.

[0005] The utility model is implemented as follows: a calibration device for a thermal imager and a blue light scanner comprises a profile bracket and a plate assembly, wherein the plate assembly is assembled on the profile bracket;

[0006] The plate assembly includes a heating pad, a calibration plate and a coating, wherein the calibration plate is stacked on one side of the heating pad, and the coating is applied to the end surface of the calibration plate away from the heating pad;

[0007] A plurality of groups of calibration holes are arrayed on the coating, and a plurality of groups of marking points are provided on the end surface of the calibration plate away from the heating pad, and the marking points are connected to the outside world through the calibration holes.

[0008] Preferably, the positions of the marking points and the calibration holes correspond one to one, the sizes of the marking points and the calibration holes are the same, the test radio waves pass through the calibration holes to reach the calibration point table, and the marking points and the calibration holes are processed by laser engraving technology, etching the marking points on the surface of the calibration plate and forming marking holes with the same area and shape as the marking points on the coating;

[0009] Preferably, the heating pad includes a heating plate, a mica board insulation frame and a mica board insulation back cover, the heating plate is embedded in the interior of the mica board insulation frame, one end of the heating plate is in contact and connected with the end face of the calibration plate where no coating is set, and the mica board insulation back cover is set on the end face of the heating plate away from the calibration plate.

[0010] Preferably, the calibration plate is fixed to the thermal insulation frame of the mica board by bolts.

[0011] Preferably, the coating is an aluminum anodized layer.

[0012] Preferably, the profile support includes column assemblies and crossbeams, the column assemblies are in two groups, and the crossbeams are in at least three groups, and the crossbeams are respectively connected between the two groups of column assemblies.

[0013] Preferably, mounting parts are provided between the profile bracket and the plate assembly, and the number of the mounting parts is four. The mounting parts are assembled on the column assembly to respectively limit the corners and supports of the plate assembly.

[0014] Preferably, the mounting member comprises an outer right-angle plate, a supporting block, a limiting pad and a limiting screw, and the supporting block is arranged on the inner edge of the outer right-angle plate;

[0015] The corners of the plate assembly extend into the outer right-angle plate and abut against the abutting block. The limiting screws sequentially pass through the outer right-angle plate, the abutting block and the limiting pad and abut against the grooves provided on the surface of the column assembly.

[0016] Preferably, a controller is also provided on the profile bracket, and the controller is arranged on a group of beams, and the controller is electrically connected to the heating pad; the controller mainly controls the temperature condition of the heating pad, and nickel-chromium alloy is used as the heating element inside the heating plate, and the controller is used to control the heating state inside the heating plate.

[0017] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0018] 1. The calibration device for thermal imagers and blue light scanners provided by the utility model ensures uniform temperature distribution on the surface of the calibration plate through innovative structural design, material selection and temperature control system. The thermal insulation performance of the coating is used to shield the heat of the heating pad, so that the thermal imager can obtain consistent and accurate temperature values ​​when measuring calibration holes at different positions, thereby improving temperature stability and measurement accuracy, and meeting the needs of high-precision thermal imagers.

[0019] 2. The calibration device for thermal imagers and blue light scanners provided by the present invention forms a black background and white dot structure by etching the coating and the calibration plate to meet the calibration needs of the blue light scanner. At the same time, the thermal insulation performance of the coating is used to shield the heat of the heating pad and the marking holes are used to meet the calibration needs of the thermal imager. When it is necessary to use a thermal imager and a blue light scanner for measurement at the same time, this calibration plate can be used as a common reference standard, and reduce the errors caused by inconsistent standards of different equipment, thereby improving the accuracy and reliability of the overall measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a schematic structural diagram of a calibration device for a thermal imager and a blue light scanner.

[0021] Figure 2 This is a front view of a calibration device for a thermal imager and a blue light scanner provided by the utility model.

[0022] Figure 3 The utility model is a schematic diagram of the structure of a plate assembly of a calibration device for a thermal imager and a blue light scanner.

[0023] Figure 4 This is a structural schematic diagram of the back side of a middle plate assembly of a calibration device for a thermal imager and a blue light scanner provided by the utility model.

[0024] Figure 5 The utility model is a schematic diagram of the exploded structure of a plate assembly of a calibration device for a thermal imager and a blue light scanner.

[0025] Figure 6 The utility model is a schematic diagram of the coating structure of a calibration device for a thermal imager and a blue light scanner.

[0026] Figure 7 The utility model provides a schematic diagram of the mounting structure of a calibration device for a thermal imager and a blue light scanner.

[0027] Description of reference numerals:

[0028] 100, profile bracket; 110, column assembly; 112, vertical pole; 111, bottom support; 120, crossbeam;

[0029] 200, board assembly; 210, heating pad; 211, heating plate; 212, mica board insulation frame; 213, mica board insulation back cover; 220, calibration plate; 230, coating;

[0030] 300, mounting piece; 310, outer right angle plate; 320, supporting block; 330, limiting spacer;

[0031] 400. Controller. DETAILED DESCRIPTION

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0033] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0034] The present invention provides a calibration device for a thermal imager and a blue light scanner. Figure 1-Figure 7 As shown, the calibration device for a thermal imager and a blue light scanner includes: a profile bracket 100 and a plate assembly 200;

[0035] The plate assembly 200 includes a heating pad 210, a calibration plate 220, and a coating 230. The calibration plate 220 and the heating pad 210 are stacked. The heat generated by the heating pad 210 is transferred to the calibration plate 220. The coating 230 is applied to the end surface of the calibration plate 220 away from the heating pad 210.

[0036] The coating 230 is provided with a plurality of groups of calibration holes in an array. The end surface of the calibration plate 220 away from the heating pad 210 is provided with a plurality of marking points. The coating 230 is an aluminum anodized layer formed by anodizing technology. The marking points and the calibration holes are processed by laser engraving technology. The marking points are etched on the surface of the calibration plate 220 and the marking holes with the same area and shape as the marking points are formed on the coating 230. For the sake of ease of understanding, they are described separately here.

[0037] The profile support 100 includes column assemblies 110 and crossbeams 120. The column assemblies 110 are in two groups, and the crossbeams 120 are in at least three groups. The crossbeams 120 are respectively connected between the two groups of column assemblies 110. The spacing between the two groups of crossbeams 120 is adapted to the height of the plate assembly 200. The two groups of crossbeams 120 cooperate with the column assemblies 110 to form a rectangular support area. The plate assembly 200 is assembled on the profile support 100 through mounting members 300 provided at the corners of the support area.

[0038] In this embodiment, the coating 230 and the calibration plate 220 are etched with marking points and calibration holes, and the marking points and the coating 230 are used to form a black background and white dot structure to meet the calibration needs of the blue light scanner. The thermal insulation performance of the coating 230 is then used to shield the heat of the heating pad 210 and cooperate with the marking holes to meet the calibration needs of the thermal imager. When it is necessary to use a thermal imager and a blue light scanner for measurement at the same time, this calibration plate can be used as a common reference standard to reduce errors caused by inconsistent standards of different equipment and improve the accuracy and reliability of the overall measurement.

[0039] As a preferred implementation in this embodiment, the heating pad 210 includes a heating plate 211, a mica board insulation frame 212 and a mica board insulation back cover 213. The heating plate 211 is embedded in the interior of the mica board insulation frame 212. The calibration plate 220 is fixed to the mica board insulation frame 212 by bolts. One end of the heating plate 211 is in contact and connected with the end face of the calibration plate 220 where the coating 230 is not provided. The mica board insulation back cover 213 is provided on the end face of the heating plate 211 away from the calibration plate 220.

[0040] In this embodiment, the profile support 100 is further provided with a controller 400, which is arranged on a set of crossbeams 120 and is electrically connected to the heating pad 210. The controller 400 mainly controls the temperature of the heating pad 210. The heating plate 211 uses nickel-chromium alloy as a heating element, and the controller 400 is used to control the heating state of the heating plate 211.

[0041] Through innovative structural design, material selection and temperature control system, the surface temperature of the calibration plate 220 is ensured to be evenly distributed. The heat insulation performance of the coating 230 is used to shield the heat of the heating pad 210, so that the thermal imager can obtain consistent and accurate temperature values ​​when measuring calibration holes in different positions, thereby improving temperature stability and measurement accuracy, and meeting the needs of high-precision thermal imagers.

[0042] As a preferred implementation in this embodiment, the mounting member 300 includes an outer right-angle plate 310, a supporting block 320, a limiting pad 330 and a limiting screw. The supporting block 320 is arranged on the inner edge of the outer right-angle plate 310. The mounting member 300 is a conventional structure.

[0043] The corners of the plate assembly 200 extend into the outer right-angle plate 310 and abut against the abutment block 320. The limiting screws sequentially pass through the outer right-angle plate 310, the abutment block 320, and the limiting pad 330 and abut against the grooves provided on the surface of the column assembly 110.

[0044] In this embodiment, the column assembly 110 and the crossbeam 120 are both made of aluminum profiles in the prior art. The surface of the aluminum profile is provided with a groove, which will serve as the installation area of ​​the limit pad 330 in this application. This fixing structure is a prior art means, mainly using the limit pad 330 to increase the friction between the main structure and the main structure. The specific structural features are not described in detail.

[0045] In a further preferred embodiment of the present invention, the column assembly 110 includes a vertical rod 112 and a bottom support 111; the vertical rod 112 and the bottom support 111 are connected by an angle connector, and a chassis for supporting is provided on the bottom support 111, and the vertical rod 112 and the bottom support 111 are both made of aluminum profiles;

[0046] It should be noted that for the aforementioned embodiments, for simplicity of description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present invention is not limited by the order of the actions described, because according to the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A calibration device for a thermal imager and a blue light scanner, characterized in that: It comprises a profile bracket (100) and a plate assembly (200), wherein the plate assembly (200) is assembled on the profile bracket (100); The plate assembly (200) comprises a heating pad (210), a calibration plate (220), and a coating (230), wherein the calibration plate (220) is stacked and arranged on one side of the heating pad (210), and the coating (230) is coated on the end surface of the calibration plate (220) away from the heating pad (210); A plurality of groups of calibration holes are distributed in an array on the coating (230), and a plurality of groups of marking points are provided on the end surface of the calibration plate (220) away from the heating pad (210), and the marking points are connected to the outside world through the calibration holes.

2. The calibration device for a thermal imager and a blue light scanner according to claim 1, wherein: The positions of the marking points and the calibration holes correspond one to one, the sizes of the marking points and the calibration holes are the same, and the test radio waves pass through the calibration holes to reach the surface of the calibration points.

3. The calibration device for a thermal imager and a blue light scanner according to claim 2, wherein: The heating pad (210) comprises a heating plate (211), a mica plate heat-insulating frame (212), and a mica plate heat-insulating back cover (213); the heating plate (211) is embedded in the mica plate heat-insulating frame (212); one end of the heating plate (211) is in contact with and connected to the end face of the calibration plate (220) not provided with the coating (230); and the mica plate heat-insulating back cover (213) is provided on the end face of the heating plate (211) away from the calibration plate (220).

4. The calibration device for a thermal imager and a blue light scanner according to claim 3, wherein: The calibration plate (220) is fixed to the mica board heat insulation frame (212) by means of bolts.

5. The calibration device for a thermal imager and a blue light scanner according to claim 3, wherein: The coating (230) is an aluminum anodized layer.

6. The calibration device for a thermal imager and a blue light scanner according to claim 3, wherein: The profile bracket (100) comprises column assemblies (110) and crossbeams (120), wherein the column assemblies (110) are in two groups, and the crossbeams (120) are in at least three groups, and the crossbeams (120) are respectively connected between the two groups of column assemblies (110).

7. The calibration device for a thermal imager and a blue light scanner according to claim 6, wherein: Mounting parts (300) are provided between the profile bracket (100) and the plate assembly (200). The number of the mounting parts (300) is four. The mounting parts (300) are assembled on the column assembly (110) to respectively limit the corners of the plate assembly (200).

8. The calibration device for a thermal imager and a blue light scanner according to claim 7, wherein: The mounting member (300) comprises an outer right-angle plate (310), a supporting block (320), a limiting pad (330) and a limiting screw, wherein the supporting block (320) is arranged on the inner edge of the outer right-angle plate (310); The corners of the plate assembly (200) extend into the outer right-angle plate (310) and abut against the abutting block (320), and the limiting screws sequentially pass through the outer right-angle plate (310), the abutting block (320) and the limiting pad (330) and abut against the groove provided on the surface of the column assembly (110).

9. The calibration device for a thermal imager and a blue light scanner according to claim 8, wherein: The profile support (100) is further provided with a controller (400), which is arranged on a group of crossbeams (120), and the controller (400) is electrically connected to the heating pad (210).

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