Radiation calibration device with adjusting function

Abstract

The utility model belongs to the technical field of infrared radiation, and provides a radiation calibration device with an adjusting function, which comprises an infrared radiometer and a surface source black body, and further comprises a detection plate respectively provided with a fixed end and a movable end; the adjusting part is arranged on the detection plate, the adjusting end is configured to be connected with the movable end, the adjusting part has a switchable locking / unlocking state, when the adjusting part is in the unlocking state, the movable end can move relative to the fixed end, and when the adjusting part is in the locking state, the movable end is fixed relative to the fixed end; wherein the surface source black body and the infrared radiometer are respectively arranged on the fixed end and the movable end. According to the utility model, the distance between the infrared radiometer device and the surface source black body can be adjusted in the calibration process.

Description

Technical Field

[0001] The utility model belongs to the technical field of infrared radiation, and in particular relates to a radiation calibration device with an adjustment function. Background Art

[0002] All objects in nature with a temperature higher than absolute zero (-273.15℃) have their molecules constantly radiating electromagnetic waves, including infrared waves, into the surrounding space due to thermal motion. Therefore, an infrared radiometer can be used to detect the infrared energy radiated by an object and then infer the radiation temperature of the object.

[0003] Since the device parameters of the infrared radiometer will change due to environmental influences, the infrared radiometer needs to be calibrated before use. Currently, a surface source black body is mainly used as a temperature source for inspection and measurement of infrared measuring equipment. However, the radiation calibration device in the prior art still has certain usage defects during the calibration process. For example, in an infrared radiometer temperature calibration device with patent number CN215677287U, the temperature stability of the reference end of the infrared radiometer is maintained by an environmental temperature controller and a heater to improve the calibration effect. However, since the radiation intensity is generally inversely proportional to the cube of the distance, that is, in the actual measurement process, the distance between the infrared radiometer and the target also determines the amount of radiation detected. The prior art lacks an adjustment device for calibrating the device parameters of the infrared radiometer and the distance between the surface source black body, resulting in certain limitations in the calibration based on the device parameters. Therefore, a radiation calibration device with an adjustment function is urgently needed to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a radiation calibration device with an adjustment function to solve the above problem, and can adjust and measure the relationship between the infrared radiometer device parameters and the distance between the surface source black body during the calibration process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme: a radiation calibration device with an adjustment function, comprising an infrared radiometer and a surface source blackbody, and also comprising:

[0006] The detection plate has a fixed end and a movable end respectively;

[0007] An adjusting member, disposed on the detection plate, and an adjusting end is configured to be connected to the mobile end, the adjusting member has a switchable locking / unlocking state, when the adjusting member is in the unlocking state, the mobile end can move relative to the fixed end, when the adjusting member is in the locking state, the mobile end is fixed relative to the fixed end;

[0008] Wherein, the surface source blackbody and the infrared radiometer are arranged on the fixed end and the mobile end respectively.

[0009] Preferably, a linear slide rail is provided on the top surface of the detection plate, and a first mounting plate and a second mounting plate are respectively slidably connected in the linear slide rail, wherein the first mounting plate or the second mounting plate is configured to be connected to the adjustment member and can be fixedly or slidably connected relative to the detection plate.

[0010] Preferably, the adjusting member comprises:

[0011] An adjusting bolt, threadedly connected to the first mounting plate or the second mounting plate;

[0012] a pair of top blocks, slidably fitted on both sides of the first mounting plate or the second mounting plate, and configured so that when abutting against the inner side wall of the linear slide rail, the first mounting plate or the second mounting plate is fixed relative to the detection plate;

[0013] A stop block is movably engaged with the first mounting plate or the second mounting plate, and the two ends of the stop block are respectively connected to the adjusting bolt and a pair of top blocks. The stop block cooperates with the adjusting bolt so that the pair of top blocks respectively abut against opposite sides of the inner wall surface of the linear slide rail.

[0014] Preferably, it also includes:

[0015] The first slider is fixedly connected to the bottom surface of the first mounting plate or the second mounting plate, the first slider is slidably connected to the linear slide rail, and empty grooves are provided on both sides of the first slider. A pair of top blocks are slidably fitted in the two empty grooves respectively. When the first slider is fixed relative to the linear slide rail, the top end of the stop block abuts against the bottom end of the adjusting bolt, and the bottom end of the stop block abuts against the pair of top blocks.

[0016] Preferably, the bottom end of the stop block is a conical structure, and a pair of top blocks are provided with beveled edges on one side close to the stop block, and the beveled edges are in sliding contact with the stop block.

[0017] Preferably, it also includes:

[0018] The positioning member is disposed on the detection plate and is configured to fix the first mounting plate or the second mounting plate relative to the detection plate when connected to the first mounting plate or the second mounting plate.

[0019] Preferably, a scale line is provided on the top surface of the detection plate, and an initial point of the scale line is arranged at a fixed position of the positioning member relative to the detection plate.

[0020] Preferably, the positioning member comprises:

[0021] A positioning bolt, threadedly connected to the first mounting plate or the second mounting plate;

[0022] A positioning seat is fixedly connected to one end of the detection plate along the axis direction of the linear slide rail. A positioning hole is opened on the top surface of the positioning seat. The bottom end of the positioning bolt passes through the first mounting plate or the second mounting plate and is threadedly connected to the positioning hole.

[0023] Preferably, it also includes:

[0024] A pair of clamping plates, slidably fitted on the first mounting plate or the second mounting plate, for fixing the surface source black body;

[0025] The bidirectional lead screw is connected to the first mounting plate or the second mounting plate and is respectively threadedly connected to a pair of the clamping plates. The pair of the clamping plates are moved closer to or farther away from each other through the bidirectional lead screw.

[0026] Preferably, it also includes:

[0027] The support is fixedly connected to the top surface of the first mounting plate or the second mounting plate and is used to place the infrared radiometer, and the infrared radiometer is arranged right in front of the radiation end of the surface source blackbody.

[0028] Compared with the prior art, the utility model has the following advantages and technical effects:

[0029] A fixed end and a movable end are distributed on a detection plate, and an adjusting member is connected to the movable end, so that the movable end can move relative to the detection plate when the adjusting member is in an unlocked state, and is fixed relative to the detection plate in a locked state. An infrared radiometer and a surface source blackbody are respectively arranged on the fixed end and the movable end, so that the distance between the surface source blackbody and the infrared radiometer can be adjusted. At the same time, when adjusted to a calibration position, the surface source blackbody and the infrared radiometer can also be relatively fixed, which is convenient for adjusting environmental parameters, thereby realizing the relationship between the measurement of the infrared radiometer device parameters and the distance between the surface source blackbody, and improving the accuracy of actual radiation calibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0031] Figure 1 It is the position relationship diagram of the detection plate and the scale line;

[0032] Figure 2 It is the position relationship diagram of the positioning seat and the detection plate;

[0033] Figure 3 It is the position relationship diagram of the top block and the abutment block;

[0034] Among them, 1. detection plate; 2. surface source black body; 3. infrared radiometer; 4. first mounting plate; 5. second mounting plate; 6. adjusting bolt; 7. top block; 8. stop block; 9. first slider; 10. scale line; 11. positioning bolt; 12. positioning seat; 13. bidirectional screw; 14. splint; 15. support. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0037] Example: Refer to Figure 1-Figure 3 , a radiation calibration device with an adjustment function, comprising an infrared radiometer 3 and a surface source blackbody 2, and further comprising:

[0038] The detection board 1 has a fixed end and a movable end;

[0039] An adjusting member is arranged on the detection board 1, and the adjusting end is configured to be connected to the moving end, and the adjusting member has a switchable locking / unlocking state. When the adjusting member is in the unlocking state, the moving end can move relative to the fixed end, and when the adjusting member is in the locking state, the moving end is fixed relative to the fixed end;

[0040] The surface source blackbody 2 and the infrared radiometer 3 are arranged on the fixed end and the mobile end respectively.

[0041] By distributing a fixed end and a movable end on the detection board 1, the adjusting member is connected to the movable end, so that the movable end can move relative to the detection board 1 when the adjusting member is in an unlocked state, and is fixed relative to the detection board 1 in a locked state. By arranging the infrared radiometer 3 and the surface source blackbody 2 on the fixed end and the movable end respectively, the distance between the surface source blackbody 2 and the infrared radiometer 3 can be adjusted. At the same time, when adjusted to the calibration position, the surface source blackbody 2 and the infrared radiometer 3 can also be relatively fixed, which is convenient for adjusting environmental parameters, thereby realizing the relationship between the device parameters of the infrared radiometer 3 and the distance between the surface source blackbody 2, and improving the accuracy of actual radiation calibration.

[0042] Furthermore, a linear slide rail is provided on the top surface of the detection plate 1, and a first mounting plate 4 and a second mounting plate 5 are respectively slidably connected in the linear slide rail, wherein the first mounting plate 4 or the second mounting plate 5 is configured to be connected to the adjustment member and can be fixedly or slidably connected relative to the detection plate 1.

[0043] By means of a linear slide rail provided on the top surface of the detection plate 1, and a first mounting plate 4 and a second mounting plate 5 slidably connected in the linear slide rail, the adjusting member is connected to the first mounting plate 4 or the second mounting plate 5 to form a moving end, so that the first mounting plate 4 and the second mounting plate 5 move relative to each other in a straight line direction. In this technical solution, the infrared radiometer 3 and the surface source blackbody 2 are respectively installed on the first mounting plate 4 and the second mounting plate 5, so that they maintain a straight line movement relative to each other, thereby ensuring the accuracy of the relationship between the measurement device parameters and the distance.

[0044] Further, the adjusting member includes:

[0045] An adjusting bolt 6 is threadedly connected to the first mounting plate 4 or the second mounting plate 5;

[0046] A pair of top blocks 7, slidably fitted on both sides of the first mounting plate 4 or the second mounting plate 5, and configured to fix the first mounting plate 4 or the second mounting plate 5 relative to the detection plate 1 when abutting against the inner side wall of the linear slide rail;

[0047] The butt block 8 is movably fitted on the first mounting plate 4 or the second mounting plate 5. The two ends of the butt block 8 are respectively connected to the adjusting bolt 6 and a pair of top blocks 7. The butt block 8 cooperates with the adjusting bolt 6 so that the pair of top blocks 7 respectively butt against the opposite sides of the inner wall of the linear slide rail.

[0048] Furthermore, it also includes:

[0049] The first slider 9 is fixed to the bottom surface of the first mounting plate 4 or the second mounting plate 5. The first slider 9 is slidably connected to the linear slide rail. Empty grooves are opened on both sides of the first slider 9. A pair of top blocks 7 are slidably fitted in the two empty grooves respectively. When the first slider 9 is fixed relative to the linear slide rail, the top end of the stop block 8 abuts against the bottom end of the adjusting bolt 6, and the bottom end of the stop block 8 abuts against the pair of top blocks 7.

[0050] Furthermore, the bottom end of the stop block 8 is a conical structure, and a pair of top blocks 7 are provided with beveled edges on one side close to the stop block 8 , and the beveled edges are in sliding contact with the stop block 8 .

[0051] By turning the adjusting bolt 6, which is threadedly connected to the first mounting plate 4 or the second mounting plate 5 through the adjusting bolt 6, it abuts against the abutting block 8 and is squeezed and moved along the direction of the top block 7. After the bottom end of the abutting block 8 slides in contact with the oblique edges of a pair of top blocks 7, the pair of top blocks 7 extend the first sliding block 9 in a direction away from each other and directly abut against the opposite side of the inner wall of the linear slide rail, thereby realizing adjustable fixation of the first mounting plate 4 or the second mounting plate 5 relative to the detection plate 1.

[0052] Furthermore, it also includes:

[0053] The positioning member is disposed on the detection board 1 and is configured to fix the first mounting board 4 or the second mounting board 5 relative to the detection board 1 when connected to the first mounting board 4 or the second mounting board 5 .

[0054] Furthermore, a scale line 10 is provided on the top surface of the detection plate 1 , and an initial point of the scale line 10 is arranged at a fixed position of the positioning member relative to the detection plate 1 .

[0055] By connecting the positioning piece to the fixed end, that is, connecting the positioning piece to the first mounting plate 4 or the second mounting plate 5 away from the adjusting bolt 6, the first mounting plate 4 or the second mounting plate 5 constitutes a fixed end, and a scale line 10 is engraved on the detection plate 1 with the fixed end as the initial end to ensure the accuracy of the scale line 10 marking.

[0056] Further, the positioning member includes:

[0057] A positioning bolt 11, threadedly connected to the first mounting plate 4 or the second mounting plate 5;

[0058] The positioning seat 12 is fixedly connected to one end of the detection plate 1 along the axis direction of the linear slide rail. A positioning hole is opened on the top surface of the positioning seat 12. The bottom end of the positioning bolt 11 passes through the first mounting plate 4 or the second mounting plate 5 and is threadedly connected to the positioning hole.

[0059] A positioning seat 12 is fixedly connected to one end of the detection plate 1, and a positioning hole is opened on its top surface. The positioning bolt 11 is threadedly connected to the first mounting plate 4 or the second mounting plate 5. After the first mounting plate 4 or the second mounting plate 5 is moved to the position of the positioning hole, the positioning bolt 11 is threadedly connected to the positioning hole to fix the first mounting plate 4 or the second mounting plate 5 to the detection plate 1, thereby forming a fixed end.

[0060] Furthermore, it also includes:

[0061] A pair of clamping plates 14, slidably fitted on the first mounting plate 4 or the second mounting plate 5, for fixing the surface source black body 2;

[0062] The bidirectional lead screw 13 is transferred to the first mounting plate 4 or the second mounting plate 5 and is respectively threadedly connected to a pair of clamping plates 14 . The pair of clamping plates 14 are moved closer to or farther away from each other through the bidirectional lead screw 13 .

[0063] By using the bidirectional lead screw 13 passing through the first mounting plate 4 or the second mounting plate 5, a groove is opened on the first mounting plate 4 or the second mounting plate 5, and a pair of clamping plates 14 are slidably connected in the groove and are respectively threadedly connected to the bidirectional lead screw 13. In the process of rotating the bidirectional lead screw 13, the pair of clamping plates 14 are driven to move closer to or away from each other to fix the surface source blackbody 2.

[0064] Furthermore, it also includes:

[0065] The support 15 is fixedly connected to the top surface of the first mounting plate 4 or the second mounting plate 5 , and is used to place the infrared radiometer 3 , and the infrared radiometer 3 is arranged right in front of the radiation end of the surface source blackbody 2 .

[0066] By opening a slot on the support 15 to support the infrared radiometer 3, the infrared radiometer 3 is fixed in the slot and fixed to the support 15, and the radial axis direction of the slot is parallel to the radial axis direction of the clamping plate 14, thereby ensuring that the fixed infrared radiometer 3 is located directly in front of the radiation end of the surface source blackbody 2.

[0067] The working process of this embodiment is as follows:

[0068] Taking the first mounting plate 4 as the fixed end and the second mounting plate 5 as the movable end as an example, the first mounting plate 4 is slid relative to the detection plate 1 by screwing the positioning bolt 11, and the first mounting plate 4 is slid to the positioning seat 12, and the positioning bolt 11 is reversed to thread and fix the first mounting plate 4 and the positioning seat 12, and the bidirectional lead screw 13 is rotated to make a pair of clamping plates 14 move away from each other, the surface source blackbody 2 is placed between the pair of clamping plates 14, and the bidirectional lead screw 13 is reversed to fix the surface source blackbody 2, the support 15 is fixed to the second mounting plate 5, and the infrared radiometer 3 is fixed on the support 15, and the detection end is directly opposite to the radiation end of the surface source blackbody 2, and the top block 7 is not against the linear slide rail by screwing the adjusting bolt 6, and the second mounting plate 5 is slid according to the scale line 10 to adjust the distance between it and the first mounting plate 4, and then the adjusting bolt 6 is reversed to fix the second mounting plate 5 and the detection plate 1, so as to realize the precise adjustment of the distance between the first mounting plate 4 and the second mounting plate 5, so as to facilitate the calibration relationship between the measurement device parameters and the environmental distance.

[0069] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0070] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A radiation calibration device with an adjustment function, comprising an infrared radiometer (3) and a surface source blackbody (2), characterized in that: Also includes: The detection plate (1) has a fixed end and a movable end; An adjusting member, arranged on the detection plate (1), and the adjusting end is configured to be connected to the movable end, the adjusting member has a switchable locking / unlocking state, when the adjusting member is in the unlocking state, the movable end can move relative to the fixed end, when the adjusting member is in the locking state, the movable end is fixed relative to the fixed end; Wherein, the surface source black body (2) and the infrared radiometer (3) are arranged on the fixed end and the mobile end respectively; The top surface of the detection plate (1) is provided with a linear slide rail, and a first mounting plate (4) and a second mounting plate (5) are slidably connected in the linear slide rail, respectively, wherein the first mounting plate (4) or the second mounting plate (5) is configured to be connected to the adjustment member and can be fixedly or slidably connected relative to the detection plate (1); The adjusting member comprises: an adjusting bolt (6) threadedly connected to the first mounting plate (4) or the second mounting plate (5); A pair of top blocks (7) are slidably fitted on both sides of the first mounting plate (4) or the second mounting plate (5), and are configured so that when they abut against the inner side wall of the linear slide rail, the first mounting plate (4) or the second mounting plate (5) is fixed relative to the detection plate (1); A stop block (8) is movably engaged with the first mounting plate (4) or the second mounting plate (5), and two ends of the stop block (8) are respectively connected to the adjusting bolt (6) and a pair of top blocks (7). The stop block (8) cooperates with the adjusting bolt (6) so that the pair of top blocks (7) respectively abut against opposite sides of the inner wall surface of the linear slide rail.

2. The radiation calibration device with adjustment function according to claim 1, characterized in that: Also includes: The first slider (9) is fixedly connected to the bottom surface of the first mounting plate (4) or the second mounting plate (5). The first slider (9) is slidably connected to the linear slide rail. Empty grooves are provided on both sides of the first slider (9). A pair of top blocks (7) are slidably fitted in the two empty grooves respectively. When the first slider (9) is fixed relative to the linear slide rail, the top end of the abutment block (8) abuts against the bottom end of the adjusting bolt (6), and the bottom end of the abutment block (8) abuts against the pair of top blocks (7).

3. The radiation calibration device with adjustment function according to claim 1, characterized in that: The bottom end of the stop block (8) is a conical structure, and a pair of top blocks (7) are provided with beveled edges on one side close to the stop block (8), and the beveled edges are in sliding contact with the stop block (8).

4. The radiation calibration device with adjustment function according to claim 1, characterized in that: Also includes: A positioning member is arranged on the detection plate (1) and is configured such that when connected to the first mounting plate (4) or the second mounting plate (5), the first mounting plate (4) or the second mounting plate (5) is fixed relative to the detection plate (1).

5. The radiation calibration device with adjustment function according to claim 4, characterized in that: The top surface of the detection plate (1) is provided with a scale line (10), and the initial point of the scale line (10) is arranged at a fixed position of the positioning member relative to the detection plate (1).

6. The radiation calibration device with adjustment function according to claim 4, characterized in that: The positioning member comprises: A positioning bolt (11) threadedly connected to the first mounting plate (4) or the second mounting plate (5); A positioning seat (12) is fixedly connected to one end of the detection plate (1) along the axial direction of the linear slide rail, a positioning hole is provided on the top surface of the positioning seat (12), and the bottom end of the positioning bolt (11) passes through the first mounting plate (4) or the second mounting plate (5) and is threadedly connected to the positioning hole.

7. The radiation calibration device with adjustment function according to claim 1, characterized in that: Also includes: A pair of clamping plates (14) slidably fitted on the first mounting plate (4) or the second mounting plate (5) for fixing the surface source black body (2); The bidirectional lead screw (13) is connected to the first mounting plate (4) or the second mounting plate (5) and is respectively threadedly connected to a pair of the clamping plates (14). The pair of the clamping plates (14) are moved closer to or farther away from each other through the bidirectional lead screw (13).

8. The radiation calibration device with adjustment function according to claim 1, characterized in that: Also includes: The support (15) is fixedly connected to the top surface of the first mounting plate (4) or the second mounting plate (5) and is used to place the infrared radiometer (3), and the infrared radiometer (3) is arranged directly in front of the radiation end of the surface source blackbody (2).

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