Sensor mounting assembly, sensor bracket and temperature calibration device using the same

Abstract

The present invention discloses a sensor mounting assembly, a sensor bracket and a temperature calibration device using the same, and belongs to the technical field of instrument calibration equipment. The sensor bracket provided by the present invention integrates one or more sensor mounting assemblies, and the sensor mounting assembly includes a fixing portion, a first limiting portion, a second limiting portion and a connecting portion, wherein a mounting through hole that can encompass possible fixed positions of the temperature sensor in the radial direction is provided on the fixing portion, and the first limiting portion and the second limiting portion can be fixed to the fixing portion from opposite directions respectively in response to the rotation of the connecting portion, and the position of the temperature sensor in the mounting through hole can be radially adjusted, so it is easy to use and operate. The temperature calibration device provided by the present invention is fixedly provided with a sensor bracket, which is helpful for the installation, fixing and disassembly of the temperature sensor, improves the calibration efficiency, and can avoid damage to the temperature sensor due to uneven force at both ends.

Description

Technical Field

[0001] The invention belongs to the technical field of instrument calibration equipment, and in particular relates to a sensor mounting assembly, a sensor bracket and a temperature calibration device using the same. Background Art

[0002] In a tube furnace (e.g., a tube thermocouple calibration furnace), a dry furnace, or other similar temperature source equipment (providing a specific temperature or temperature field, such as a temperature calibration device), in order to ensure that the required specific temperature or temperature field is achieved, a slender temperature sensor needs to be inserted into the chamber of the temperature source equipment, such as Figure 1 As shown, a tube furnace is used as an example, wherein a temperature sensor 102' is inserted into a chamber 101' of the tube furnace to detect the temperature or temperature field in the chamber of the tube furnace. In order to ensure the stability of the position of the temperature sensor 102', it is usually necessary to fix the two ends of the temperature sensor, such as Figure 1 , one end of the temperature sensor 102' ( Figure 1 The right end in the figure) is inserted into the blind hole at one end of the chamber of the tube furnace, and the other end ( Figure 1 The left end in the figure) protrudes from the furnace mouth of the tube furnace and is fixed to the sensor bracket arranged near the furnace mouth of the tube furnace (or both ends of the temperature sensor protrude from the tube furnace and are fixed with sensor brackets respectively, which is not shown in the figure). Figure 2 As shown, a sensor bracket 103' commonly used for fixing a temperature sensor in a temperature source device is shown, wherein a temperature sensor 102' is placed in the support position of the bracket, and then the temperature sensor 102' and the sensor bracket 103' are fixed by pressing or tightening screws. However, this fixing method has the following problems: 1) Due to the existence of manufacturing tolerances, the height of the blind hole (or another sensor bracket) in the temperature source device and the sensor bracket may not be completely consistent or may be misaligned, and the restricted fixing direction of the temperature sensor may not be completely consistent. Since the temperature sensor is usually a rigid structure, the temperature sensor will be in a tensioned state due to the unbalanced position / direction of the force on both ends, which makes it easy to be damaged. Although in order to solve the problem of manufacturing tolerance in the prior art, a transverse adjustment arm and a longitudinal adjustment arm are provided on the sensor bracket, and the final fixed position is made to meet the actual manufacturing requirements through the adjustment arms, this structure is too complicated and will further increase the complexity of the installation of the temperature sensor; 2) When fixing the temperature sensor, the existing sensor bracket generally needs to install four or more screws on both sides of the temperature sensor fixing position, and when releasing the fixation, four or more screws need to be loosened to remove the temperature sensor. Therefore, it is inconvenient to fix or remove the temperature sensor, especially for temperature source equipment that needs to be calibrated regularly, the temperature sensor needs to be frequently fixed, removed and re-fixed, and the installation and disassembly of multiple screws further reduces the efficiency of temperature calibration. Summary of the invention

[0003] In view of one or more problems existing in the prior art, the present invention provides a sensor mounting assembly, which includes a fixing portion, a first limiting portion, a second limiting portion and a connecting portion, wherein a mounting through hole is provided in the fixing portion, the mounting through hole runs through the fixing portion, and the first limiting portion and the second limiting portion cannot pass through the mounting through hole;

[0004] The connecting portion is axially provided with an external thread, the second limiting portion is axially provided with a through hole with an internal thread matching the connecting portion, and the first limiting portion and the connecting portion are both axially provided with a first through hole for penetrating a sensor;

[0005] The second limiting portion is threadedly connected to the connecting portion, the first limiting portion and the second limiting portion can be fixed to the fixing portion from opposite directions in response to the rotation of the connecting portion, and the first through hole can make the radial position of the sensor passed through it in the mounting through hole move radially in the mounting through hole in response to the movement of the first limiting portion and the second limiting portion in the radial direction.

[0006] In some embodiments, the fixing portion includes a support plate, the mounting through hole is a first mounting hole that passes through the support plate, the first limiting portion includes a rotating section, and the connecting portion includes a connecting section, wherein the first through hole axially opened between the rotating section and the connecting section is a limiting hole, the second limiting portion includes a limiting block, and the outer diameter of the connecting section is smaller than the aperture of the first mounting hole, and the connecting section passes through the first mounting hole and is coaxially connected to the rotating section on one side of the support plate, and is threadedly connected to the limiting block on the other side of the support plate, and the rotating section and the limiting block can clamp the support plate from opposite directions in response to the rotation of the connecting section.

[0007] In one embodiment, a first gasket is provided between the rotating section and the support plate, and the aperture of the first gasket (the gaskets involved in the specification are all provided with a through hole in the axial direction, and the diameter of the through hole is referred to as the aperture of the gasket) is smaller than the outer diameter of the rotating section, and the outer diameter of the first gasket is larger than the aperture of the first mounting hole; a second gasket is provided between the limit block and the support plate, and the aperture of the second gasket is smaller than the outer diameter of the limit block, and the outer diameter of the second gasket is larger than the aperture of the first mounting hole.

[0008] In one embodiment, a first gasket is provided between the rotating section and the support plate, the aperture of the first gasket is smaller than the outer diameter of the rotating section, and the outer diameter of the first gasket is larger than the aperture of the first mounting hole, and the outer diameter of the limit block is larger than the aperture of the first mounting hole.

[0009] In one embodiment, the outer diameter of the rotating section is larger than the aperture of the first mounting hole, and a second gasket is provided between the limit block and the support plate, the aperture of the second gasket is smaller than the outer diameter of the limit block, and the outer diameter of the second gasket is larger than the aperture of the first mounting hole.

[0010] In one embodiment, an outer diameter of the rotating section is larger than a diameter of the first mounting hole, and an outer diameter of the limiting block is larger than a diameter of the first mounting hole.

[0011] In other embodiments, the fixing portion includes a support plate and a baffle, the support plate and the baffle are fixed in parallel and form a cavity therebetween, the mounting through hole includes a first mounting hole passing through the support plate and a second mounting hole passing through the baffle, wherein the first mounting hole is coaxial with the second mounting hole, the first limiting portion includes a protruding section, the connecting portion includes a connecting section, wherein the first through hole axially opened between the protruding section and the connecting section is a limiting hole, and the second limiting portion includes a limiting block, wherein the protruding section and the connecting section are fixed, and the limiting block and the connecting section are threadedly connected.

[0012] In a preferred embodiment, the protruding section and the connecting section are fixed at a position close to the support plate, the limiting block and the connecting section are threadedly connected at a position close to the baffle, the protruding section can respond to the rotation of the connecting section and the clamping of the support plate, the limiting block can respond to the rotation of the connecting section and the clamping of the baffle, and the sensor mounting assembly also includes a rotating section coaxially connected to the protruding section, the outer diameter of the rotating section is smaller than the aperture of the first mounting hole, and extends from inside the cavity through the first mounting hole to outside the cavity, and the rotating section is axially penetrated by the limiting hole.

[0013] In one embodiment, a third gasket is provided between the protruding section and the support plate, the aperture of the third gasket is smaller than the outer diameter of the protruding section, and the outer diameter of the third gasket is larger than the aperture of the first mounting hole, and a fourth gasket is provided between the limit block and the baffle, the aperture of the fourth gasket is smaller than the outer diameter of the limit block, and the outer diameter of the fourth gasket is larger than the aperture of the second mounting hole.

[0014] In one embodiment, a third gasket is provided between the protruding section and the support plate, the aperture of the third gasket is smaller than the outer diameter of the protruding section, the outer diameter of the third gasket is larger than the aperture of the first mounting hole, and the outer diameter of the limit block is larger than the aperture of the second mounting hole.

[0015] In one embodiment, the outer diameter of the protruding section is larger than the aperture of the first mounting hole, and a fourth gasket is provided between the limit block and the baffle, the aperture of the fourth gasket is smaller than the outer diameter of the limit block, and the outer diameter of the fourth gasket is larger than the aperture of the second mounting hole.

[0016] In one embodiment, the outer diameter of the protruding section is larger than the hole diameter of the first mounting hole, and the outer diameter of the limiting block is larger than the hole diameter of the second mounting hole.

[0017] In a preferred embodiment, the protruding section and the connecting section are fixed at a position close to the baffle, the limiting block and the connecting section are threadedly connected at a position close to the support plate, the protruding section can respond to the rotation of the connecting section and the clamping of the baffle, the limiting block can respond to the rotation of the connecting section and the clamping of the support plate, and the sensor mounting assembly also includes a rotating section coaxially connected to the connecting section, the outer diameter of the rotating section is smaller than the aperture of the first mounting hole, and extends from inside the cavity through the first mounting hole to outside the cavity, and the rotating section is axially penetrated by the limiting hole.

[0018] In one embodiment, a fifth gasket is provided between the limit block and the support plate, the aperture of the fifth gasket is smaller than the outer diameter of the limit block, and the outer diameter of the fifth gasket is larger than the aperture of the first mounting hole, and a sixth gasket is provided between the protruding section and the baffle, the aperture of the sixth gasket is smaller than the outer diameter of the protruding section, and the outer diameter of the sixth gasket is larger than the aperture of the second mounting hole.

[0019] In one embodiment, a fifth gasket is provided between the limit block and the support plate, the aperture of the fifth gasket is smaller than the outer diameter of the limit block, the outer diameter of the fifth gasket is larger than the aperture of the first mounting hole, and the outer diameter of the protruding section is larger than the aperture of the second mounting hole.

[0020] In one embodiment, the outer diameter of the limit block is larger than the aperture of the first mounting hole, and a sixth gasket is provided between the protruding section and the baffle, the aperture of the sixth gasket is smaller than the outer diameter of the protruding section, and the outer diameter of the sixth gasket is larger than the aperture of the second mounting hole.

[0021] In one embodiment, the outer diameter of the limiting block is larger than the hole diameter of the first mounting hole, and the outer diameter of the protruding section is larger than the hole diameter of the second mounting hole.

[0022] In one embodiment, the inner contour of the cavity surrounded by the support plate and the baffle is a rectangle, the outer contour of the limit block is a rectangle, and the diagonal length of the outer contour of the limit block is greater than the length and / or width of the inner contour of the cavity.

[0023] In some further embodiments, the fixing portion includes a support plate and a baffle, the support plate and the baffle are fixed in parallel and form a cavity therebetween, the mounting through hole includes a first mounting hole penetrating the support plate and a second mounting hole penetrating the baffle, the first mounting hole being coaxial with the second mounting hole, the first limiting portion includes a slider, the connecting portion includes a connecting section, the outer diameter of the connecting section is smaller than the aperture of the first mounting hole, and the first through hole axially opened in the connecting section is a limiting hole, the second limiting portion includes a limiting block, wherein the through hole axially opened in the slider (i.e., the first through hole) is a second through hole, the aperture of the second through hole is smaller than the outer diameter of the connecting section and greater than or equal to the aperture of the limiting hole, the slider is located between the connecting section and the baffle, the limiting block and the connecting section are threadedly connected at a position close to the support plate, the slider can respond to the rotation of the connecting section and the clamping of the baffle, and the limiting block can respond to the rotation of the connecting section and the clamping of the support plate.

[0024] In a preferred embodiment, the sensor mounting assembly further comprises a rotating section, which is coaxially connected to the connecting section and is located outside the cavity surrounded by the support plate and the baffle plate, and the limiting hole is axially provided on the rotating section.

[0025] In a preferred embodiment, at least a portion of the circumference of the sliding block is sleeved on the limiting block.

[0026] In one embodiment, a seventh gasket is provided between the limit block and the support plate, the aperture of the seventh gasket is smaller than the outer diameter of the limit block, and the outer diameter of the seventh gasket is larger than the aperture of the first mounting hole, and an eighth gasket is provided between the slider and the baffle, the aperture of the eighth gasket is smaller than the outer diameter of the slider, and the outer diameter of the eighth gasket is larger than the aperture of the second mounting hole.

[0027] In one embodiment, a seventh gasket is provided between the limit block and the support plate, the aperture of the seventh gasket is smaller than the outer diameter of the limit block, and the outer diameter of the seventh gasket is larger than the aperture of the first mounting hole, and the outer diameter of the slider is larger than the aperture of the second mounting hole.

[0028] In one embodiment, the outer diameter of the limit block is larger than the aperture of the first mounting hole, and an eighth gasket is provided between the slider and the baffle, the aperture of the eighth gasket is smaller than the outer diameter of the slider, and the outer diameter of the eighth gasket is larger than the aperture of the second mounting hole.

[0029] In one embodiment, the outer diameter of the limiting block is larger than the hole diameter of the first mounting hole, and the outer diameter of the sliding block is larger than the hole diameter of the second mounting hole.

[0030] In a preferred embodiment, the inner contour of the cavity enclosed by the support plate and the baffle is a rectangle, the outer contour of the limit block and the slider is a rectangle, and the diagonal length of the outer contour of at least one of the limit block and the slider is greater than the length and / or width of the inner contour of the cavity.

[0031] In a preferred embodiment, the sensor mounting assembly further comprises a spring sheet, which is arranged in the limiting hole, for example, in a limiting hole penetrating the rotating section.

[0032] Another aspect of the present invention provides a sensor bracket on which one or more of the above-mentioned sensor mounting assemblies are integrated.

[0033] On the other hand, the present invention also provides a temperature calibration device, which includes a cavity for generating a temperature field for calibration and the above-mentioned sensor bracket; wherein: the sensor bracket is fixedly arranged outside the cavity for generating a temperature field for calibration, and the sensor limiting hole of the sensor mounting assembly integrated on the sensor bracket is in the same axial direction as the cavity for generating the temperature field.

[0034] The temperature calibration equipment mentioned above is a thermocouple calibration furnace or a dry body furnace.

[0035] The sensor bracket provided based on the above technical solution is integrated with one or more sensor mounting components, and the sensor mounting component includes a fixing part, a first limiting part, a second limiting part and a connecting part. The fixing part is provided with a mounting through hole that can include possible fixed positions of the temperature sensor in the radial direction. The first limiting part and the second limiting part can be fixed to the fixing part from opposite directions in response to the rotation of the connecting part. Since the first limiting part and the connecting part are provided with a first through hole for penetrating the temperature sensor in the axial direction, when the first limiting part and the second limiting part are fixed to the fixing part, the temperature sensor penetrating the first through hole can be fixed at a desired position. And since the sensor mounting component is designed to be used for penetrating the first limiting part and the connecting part of the temperature sensor, it can move in the radial direction, and then can drive the temperature sensor penetrating the first through hole to move in any radial direction in the mounting through hole, that is, the position of the temperature sensor penetrating in the first through hole in the mounting through hole can be radially adjusted, and the temperature sensor can be fixed at the desired position only by screw locking or loosening, so the use and operation are simple and convenient, and the damage caused by uneven acceptance of the two ends of the temperature sensor can be avoided. The temperature calibration device provided by the present invention is fixedly provided with a provided sensor bracket, which can conveniently adjust the insertion position and direction of the temperature sensor in the temperature calibration device to eliminate the influence of manufacturing tolerance on the temperature sensor, and facilitate the installation and disassembly of the temperature sensor, thereby improving the calibration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the structure of the temperature sensor inserted into the tube furnace;

[0037] Figure 2 It is a structural schematic diagram of a temperature calibration device provided with a sensor bracket in the prior art;

[0038] Figure 3 A schematic diagram of the structure of a sensor installation assembly provided by an embodiment of the present invention;

[0039] Figure 4 A schematic structural diagram of a sensor mounting assembly provided in another embodiment of the present invention;

[0040] Figure 5 A schematic structural diagram of a sensor mounting assembly provided in yet another embodiment of the present invention;

[0041] Figure 6 A schematic structural diagram of a sensor mounting assembly provided in yet another embodiment of the present invention;

[0042] Figure 7 A schematic structural diagram of a sensor mounting assembly provided in yet another embodiment of the present invention;

[0043] Figure 8 A schematic structural diagram of a sensor mounting assembly provided in yet another embodiment of the present invention;

[0044] Fig. 9 A schematic diagram of the disassembled structure of a sensor mounting assembly provided in one embodiment of the present invention;

[0045] Fig.10 A schematic diagram of a portion of the structure of a sensor installation assembly provided in an embodiment of the present invention, which shows a schematic diagram of the structure of a cavity formed by a support plate and a baffle plate in the sensor installation assembly, and a limit block and a slider in the cavity;

[0046] Fig.11 A schematic structural diagram of a sensor mounting assembly provided in yet another embodiment of the present invention;

[0047] Fig.12 A schematic diagram of the structure of a spring in a sensor mounting assembly provided by an embodiment of the present invention;

[0048] Fig.13 A schematic diagram of the structure of a sensor bracket provided by an embodiment of the present invention;

[0049] The reference numerals are as follows:

[0050] 101': chamber of the tube furnace;

[0051] 102': temperature sensor;

[0052] 103': sensor bracket;

[0053] 1: Support plate;

[0054] 211: connecting section; 212: rotating section; 2111: protruding section; 213: limiting hole; 22: limiting block; 231: first gasket; 232: second gasket; 233: third gasket; 234: fourth gasket;

[0055] 3: First mounting hole;

[0056] 4: baffle; 41: second mounting hole;

[0057] 5: slider; 51: convex edge; 52: second through hole;

[0058] 7: shrapnel; 71: elastic rib;

[0059] 103: Sensor bracket. DETAILED DESCRIPTION

[0060] The present invention aims to provide a sensor mounting assembly, a sensor bracket integrating the sensor mounting assembly, and a temperature calibration device using the sensor bracket, wherein a plurality of sensor mounting assemblies are integrated on the provided sensor bracket, and the sensor mounting assembly may include a fixing portion, a first limiting portion, a second limiting portion, and a connecting portion; wherein:

[0061] The fixing portion is provided with a mounting through hole, the mounting through hole passes through the fixing portion, and the first limiting portion and the second limiting portion cannot pass through the mounting through hole;

[0062] The connecting portion is axially provided with an external thread, the second limiting portion is axially provided with a through hole with an internal thread matching the connecting portion, and the first limiting portion and the connecting portion are both axially provided with a first through hole for penetrating a sensor;

[0063] The second limiting portion is threadedly connected to the connecting portion, and the first limiting portion and the second limiting portion can be fixed to the fixing portion from opposite directions in response to the rotation of the connecting portion, and the first through hole can make the radial position of the sensor inserted therein in the mounting through hole move radially in the mounting through hole in response to the movement of the first limiting portion and the second limiting portion in the radial direction, that is, when the sensor is limited in the first through hole, the radial position of the sensor in the mounting through hole can move radially in the mounting through hole in response to the movement of the first limiting portion and the second limiting portion in the radial direction, thereby changing the fixed position of the sensor.

[0064] Therefore, the sensor mounting assembly provided by the present invention can conveniently fix the temperature sensor inserted into the first through hole through the mutual cooperation of the fixing part, the first limiting part, the second limiting part and the connecting part, and can conveniently and flexibly adjust the insertion position of the temperature sensor in the temperature calibration device to eliminate the influence of manufacturing tolerances on the temperature sensor.

[0065] The present invention will be described in more detail below in conjunction with the embodiments and drawings. Obviously, the embodiments will help to understand the present invention, but should not be regarded as limiting the present invention.

[0066] Example 1

[0067] like Figure 3 As shown, a structural schematic diagram of the sensor mounting assembly provided by this embodiment is shown, and the sensor mounting assembly includes a fixing portion, a first limiting portion, a second limiting portion and a connecting portion, wherein the fixing portion is a support plate 1, and the mounting through hole opened on the fixing portion is a first mounting hole 3 that runs through the support plate 1, the first limiting portion is a rotating section 212, the connecting portion is a connecting section 211, and the second limiting portion is a limiting block 22, and the rotating section 212 and the connecting section 211 are axially opened with a first through hole for limiting the sensor, and the first through hole serves as a limiting hole 213, and the outer diameter of the connecting section 211 is smaller than the aperture of the first mounting hole 3, and passes through the first mounting hole 3 on one side of the support plate 1 to be coaxially connected with the rotating section 212, and is threadedly connected with the limiting block 22 on the other side of the support plate 1.

[0068] Specifically, the connecting section 211 is axially provided with an external thread, and the limiting block 22 is a nut structure with an internal thread, and the internal thread cooperates with the external thread of the connecting section 211. The limiting hole 213 runs through the connecting section 211 and the rotating section 212, and the aperture of the limiting hole 213 is greater than (for example, slightly greater than) or equal to the outer diameter of the temperature sensor, and is used to limit the temperature sensor (for example, a slender temperature sensor) passing therethrough. Correspondingly, a first mounting hole 3 is provided on the support plate 1 of the sensor mounting assembly, and the aperture is greater than the outer diameter of the connecting section 211, and the margin is sufficient to allow the connecting section 211 to shift up, down, left, and right in the hole, so as to cover the possible fixed positions of the temperature sensor defined in the limiting hole 213 in the radial direction. The rotating section 212 is arranged on one side of the support plate 1, and the outer diameter of the rotating section 212 is larger than the aperture of the first mounting hole 3 of the support plate 1, so the rotating section 212 cannot pass through the first mounting hole 3, and the limit block 22 is arranged on the other side of the support plate 1, and the outer diameter of the limit block 22 is larger than the aperture of the first mounting hole 3 of the support plate 1, so the limit block 22 cannot pass through the first mounting hole 3; the connecting section 211 passes through the first mounting hole 3 and is coaxially connected to the rotating section 212 on one side of the support plate 1, and is threadedly connected to the limit block 22 on the other side of the support plate 1, and the rotating section 212 and the limit block 22 can be fixed to or detached from the support plate 1 from opposite directions by rotating the connecting section 211. Since the outer diameter of the connecting section 211 is smaller than the aperture of the first mounting hole 3, the connecting section 211 can move up, down, left, right, front and back in the first mounting hole 3, that is, change its position in the first mounting hole 3 in the axial and radial directions (the same as the axial and radial directions of the sensor, the same below), and then drive the rotating section 212 and the limit block 22 to move up, down, left, right, front and back, so that the position of the temperature sensor confined in the limit hole 213 in the first mounting hole 3 can be radially adjusted to adjust the position of the temperature sensor probing into the temperature calibration equipment.

[0069] Taking a tube furnace as an example, when the sensor installation assembly provided by the embodiment is used to install and fix the temperature sensor inserted into the tube furnace, Figure 2As shown in the figure, the support plate 1 of the sensor installation assembly can be fixed at the furnace mouth of the tube furnace, and the axial direction of the first installation hole 3 on the support plate 1 is the same as the axial direction of the temperature field of the tube furnace. The connecting section 211 passes through the first installation hole 3 of the support plate 1 and is threadedly connected to the stopper 22, and one end (front end) of the temperature sensor is inserted into the stopper hole 213 from the rotating section 212 side and probed into the tube furnace. Since the connecting section 211 can move radially in the first mounting hole 3, the position of the temperature sensor limited in the limiting hole 213 in the first mounting hole 3 can be radially adjusted until the position of the temperature sensor in the first mounting hole 3 is directly opposite to the blind hole in the tube furnace or the temperature sensor is not in a tense state due to unbalanced force at both ends. The front end of the temperature sensor is fixed in the blind hole in the tube furnace, and the rotating section 212 is rotated to thread-lock the connecting section 211 and the limiting block 22. At this time, the rotating section 212 and the limiting block 22 clamp the support plate 1 from opposite directions on both sides of the support plate 1, respectively, to fix the temperature sensor.

[0070] When the threaded connection between the connecting section 211 and the limiting block 22 is loosened, the position of the temperature sensor in the first mounting hole 3 can be further adjusted.

[0071] When the temperature sensor needs to be taken out from the tube furnace, the temperature sensor can be directly pulled out from the limiting hole 213 , so the operation is more convenient than the prior art.

[0072] Example 2

[0073] like Figure 4As shown, a schematic diagram of the structure of the sensor mounting assembly provided by this embodiment is shown. Compared with embodiment 1, the main difference is that: the sensor mounting assembly provided by embodiment 2 is further provided with a gasket, which is a sheet body (hereinafter the same) with a through hole (the diameter of the through hole is referred to as the aperture of the gasket) opened axially. In this embodiment, a first gasket 231 is arranged between the rotating section 212 and the support plate 1, and a second gasket 232 is arranged between the limit block 22 and the support plate 1, wherein the outer diameter of the rotating section 212 is larger than the aperture of the first gasket 231 (at this time, the outer diameter of the rotating section 212 can be smaller than the aperture of the first mounting hole 3), the outer diameter of the limit block 22 is larger than the aperture of the second gasket 232 (at this time, the outer diameter of the limit block 22 can be smaller than the aperture of the first mounting hole 3), and the outer diameters of the first gasket 231 and the second gasket 232 are both larger than the aperture of the first mounting hole 3 of the support plate 1, so that the rotating section 211 and the limit block 22 cannot pass through the first mounting hole 3. When the connection section 211 and the stopper 22 are threadedly locked, due to the presence of the first gasket 231 and the second gasket 232, the rotation section 212 is closely attached to one side of the support plate 1 through the first gasket 231, and the stopper 22 is closely attached to the other side of the support plate 1 through the second gasket 232. Compared with the first embodiment, the design of adding a gasket in this embodiment can make the acting force between the rotation section 212 and the support plate 1 and between the stopper 22 and the support plate 1 more balanced, which is more conducive to the fixing of the temperature sensor by the sensor mounting assembly; on the other hand, the size of the rotation section 212 and the stopper 22 can be reduced to free up the operating space for installation and adjustment.

[0074] As a variation of this embodiment, only the first gasket 231 or the second gasket 232 may be provided, and details thereof will not be described one by one.

[0075] Example 3

[0076] like Figure 5As shown, a structural schematic diagram of the sensor mounting assembly provided by this embodiment is shown, and the sensor mounting assembly provided by this embodiment includes a fixing portion, a first limiting portion, a second limiting portion and a connecting portion, wherein the fixing portion is a support plate 1 and a baffle plate 4, the support plate 1 and the baffle plate 4 are fixed in parallel and form a cavity therebetween, the mounting through holes opened on the fixing portion are a first mounting hole 3 penetrating the support plate 1 and a second mounting hole 41 penetrating the baffle plate 4, wherein the first mounting hole 3 is coaxial with the second mounting hole 41, the first limiting portion is a protruding section 2111, and the connecting portion is a connecting section 211, wherein the first through hole axially opened in the protruding section 2111 and the connecting section 211 is a limiting hole 213, and the second limiting portion is a limiting block 22, wherein the protruding section 2111 and the connecting section 211 are fixed at a position close to the support plate 1, and the limiting block 22 and the connecting section 211 are threadedly connected at a position close to the baffle plate 4. The sensor mounting assembly provided in this embodiment may also include a rotating section 212 coaxially connected to the protruding section 2111, the outer diameter of the rotating section 212 is smaller than the aperture of the first mounting hole 3, and extends from the cavity formed by the support plate 1 and the baffle plate 4 through the first mounting hole 3 to the outside of the cavity, and the rotating section 212 is axially penetrated by the limiting hole 213, that is, the limiting hole 213 axially penetrates the rotating section 212, the protruding section 2111 and the connecting section 211, and the aperture of the limiting hole 213 is greater than or equal to the outer diameter of the sensor, and is used to limit the temperature sensor.

[0077] Specifically, the sensor mounting assembly provided in this embodiment is provided with a first mounting hole 3 having the same function as that of the embodiment 1 on the support plate 1 to include the possible fixed positions of the temperature sensor in the radial direction defined in the limiting hole 213. The baffle plate 4 is arranged opposite to the support plate 1 and fixed (for example, welded) to form a cavity, for example, a rectangular or cubic cavity, and a second mounting hole 41 is provided on the baffle plate 4 at a position opposite to the first mounting hole 3 of the support plate 1, and the second mounting hole 41 is used to allow the temperature sensor to pass through, and the aperture of the second mounting hole 41 should match the aperture of the first mounting hole 3 to include the possible fixed positions of the temperature sensor in the radial direction. The connecting section 211 is provided with an external thread, and the limiting block 22 is in the form of a nut structure, and its internal thread cooperates with the external thread on the connecting section 211 so that the connecting section 211 and the limiting block 22 can be threadedly connected, the protruding section 2111 and the connecting section 211 are coaxially connected on the side close to the support plate 1, and the rotating section 212 is coaxially connected with the protruding section 2111. The protruding section 2111, the connecting section 211 and the limiting block 22 are all located in a cavity formed by fixing the support plate 1 and the baffle plate 4, and at a position close to the baffle plate 4, the connecting section 211 and the limiting block 22 are threadedly connected, wherein the limiting block 22 is close to the baffle plate 4 in the cavity, and its outer diameter is larger than the aperture of the second mounting hole 41, so that the limiting block 22 cannot pass through the second mounting hole 41; at a position close to the support plate 1, the connecting section 211 and the protruding section 2111 are coaxially connected, wherein the protruding section 2111 is close to the support plate 1, and its outer diameter is larger than the aperture of the first mounting hole 3 of the support plate 1, so that the protruding section 2111 cannot pass through the first mounting hole 3. The rotating section 212 extends from the first mounting hole 3 to the outside of the cavity formed by the support plate 1 and the baffle plate 4, and the outer diameter of the rotating section 212 is smaller than the aperture of the first mounting hole 3, and the margin is sufficient to allow the rotating section 212 to shift up, down, left, and right in the first mounting hole to cover the possible fixed positions of the temperature sensor defined in the limiting hole 213 in the radial direction.

[0078] In this embodiment, an opening (not shown in the figure) may be left on the side of the cavity formed by the support plate 1 and the baffle plate 4, so that when the connection section 211 and the stop block 22 are screwed or loosened, the stop block 22 in the cavity can be clamped and fixed to prevent it from rotating when the rotating section 22 is rotated. Alternatively, the inner periphery of the cavity can be designed as a rectangle (the side may not have an opening), the outer periphery of the stop block 22 can also be designed as a rectangle, and the diagonal length of the outer periphery rectangle of the stop block 22 is greater than the length and / or width of the inner periphery rectangle of the cavity. In this case, although the stop block 22 can rotate in the cavity, it can only rotate within an angle of less than 360° in the cavity, and will eventually be restricted from rotating by the side of the cavity, which in turn helps to screw the connection section 211 and the stop block 22, so that the protruding section 2111 and the stop block 22 can clamp the support plate 1 and the baffle plate 4 respectively from opposite directions, or make the two separate from the support plate 1 and the baffle plate 4 from opposite directions.

[0079] The sensor mounting assembly provided in this embodiment can be assembled in the following manner: first, the connecting section 211 is threadedly connected to the limiting block 22, and the rotating section 212 coaxially connected to the connecting section 211 is extended from one side of the first mounting hole 3 of the support plate 1 to the other side; then, the baffle plate 4 is welded and fixed to one side of the support plate 1 to form a cavity, so that the protruding section 2111, the connecting section 211 and the limiting block 22 threadedly connected thereto are confined in the cavity, and the second mounting hole 41 of the baffle plate 4 corresponds to the first mounting hole 3 of the support plate 1; and the sensor mounting assembly provided in this embodiment is obtained by assembly.

[0080] Taking a tube furnace as an example, when the sensor installation assembly provided by the embodiment is used to install and fix the temperature sensor inserted into the tube furnace, Figure 2 As shown in the figure, the support plate 1 and the baffle plate 4 of the sensor installation assembly can be fixed at the furnace mouth of the tube furnace, and the axial direction of the first installation hole 3 on the support plate 1 and the second installation hole 41 on the baffle plate 4 is the same as the axial direction of the temperature field of the tube furnace. One end (front end) of the temperature sensor is inserted from the rotating section 212 side and passes through the limiting hole 213, and then penetrates into the tube furnace through the second installation hole 41. Since the rotating section 212 can move radially in the first mounting hole 3, the position of the temperature sensor limited in the limiting hole 213 in the first mounting hole 3 can be radially adjusted. When the position of the temperature sensor in the first mounting hole 3 is directly opposite to the blind hole in the tube furnace or does not cause the temperature sensor to be in a tense state due to unbalanced force at both ends, the front end of the temperature sensor is fixed in the blind hole in the tube furnace, and the threaded connection between the connecting section 211 and the limiting block 22 is gradually loosened by rotating the rotating section 212. At this time, the protruding section 2111 in the cavity moves toward the support plate 1, and the limiting block 22 moves toward the baffle 4 until the protruding section 2111 is tightly attached to the support plate 1, and the limiting block 22 is tightly attached to the baffle 4. The sensor mounting assembly provided in this embodiment is in a locked state, thereby fixing the temperature sensor limited in the limiting hole 213 at a desired position.

[0081] When adjustment is required, the rotating section 212 is rotated to tighten the threaded connection between the connecting section 211 and the limiting block 22, and the position of the temperature sensor relative to the tube furnace is adjusted by adjusting the position of the rotating section 212 in the first mounting hole 3. When the temperature sensor needs to be removed from the tube furnace, the temperature sensor can be directly pulled out from the limiting hole 213, so the operation is more convenient than the prior art.

[0082] Example 4

[0083] like Figure 6 As shown, the main difference between the sensor installation assembly provided by this embodiment and that of embodiment 3 is that in the cavity formed by the support plate 1 and the baffle plate 4 of the sensor installation assembly provided by this embodiment 4, the limit block 22 is close to the support plate 1.

[0084] The outer diameter of the limit block 22 is larger than the aperture of the first mounting hole 3, so that the limit block 22 cannot pass through the first mounting hole 3, the connecting section 211 is coaxially connected to the protruding section 2111 at a position close to the baffle 4, and the outer diameter of the protruding section 2111 is larger than the aperture of the second mounting hole 41, so that the protruding section 2111 cannot pass through the second mounting hole 41, and the connecting section 211 is coaxially connected to the rotating section 212 at a position close to the support plate 1, and the rotating section 212 passes through the first mounting hole 3 and extends to the outside of the cavity. In this case, when the temperature sensor limited in the limit hole 213 is fixed, the limit block 22 is close to the support plate 1, and the protruding section 2111 is close to the baffle 4.

[0085] As an extension of this embodiment, additional gaskets may be provided, for example, a fifth gasket is provided between the limit block 22 and the support plate 1, the aperture of the fifth gasket is smaller than the outer diameter of the limit block 22, and the outer diameter of the fifth gasket is larger than the aperture of the first mounting hole 3, and a sixth gasket is provided between the protruding section 2111 and the baffle 4, the aperture of the sixth gasket is smaller than the outer diameter of the protruding section 2111, and the outer diameter of the sixth gasket is larger than the aperture of the second mounting hole 41. Alternatively, only the fifth gasket or the sixth gasket is provided, which will not be described in detail here.

[0086] Example 5

[0087] like Figure 7 As shown, a structural schematic diagram of the sensor mounting assembly provided by this embodiment is shown. The main difference between the sensor mounting assembly provided by this embodiment and that of Embodiment 3 is that: a third gasket 233 is further arranged between the protruding section 2111 and the support plate 1, and a fourth gasket 234 is arranged between the limiting block 22 and the baffle 4, wherein the outer diameter of the protruding section 2111 is larger than the aperture of the third gasket 233 (at this time, the outer diameter of the protruding section 2111 can be smaller than the aperture of the first mounting hole 3), the outer diameter of the limiting block 22 is larger than the aperture of the fourth gasket 234 (at this time, the outer diameter of the limiting block 22 can be smaller than the aperture of the second mounting hole 41), and the outer diameter of the third gasket 233 is larger than the aperture of the first mounting hole 3, and the outer diameter of the fourth gasket 234 is larger than the aperture of the second mounting hole 41, so that the protruding section 2111 cannot pass through the first mounting hole 3, and the limiting block 22 cannot pass through the second mounting hole 41. When in the clamped state, due to the presence of the third gasket 233 and the fourth gasket 234, the protruding section 2111 is in close contact with the support plate 1 through the third gasket 233, and the limiting block 22 is in close contact with the baffle plate 4 through the fourth gasket 234. Compared with the embodiment 3, the design of adding gaskets in this embodiment can make the acting forces between the protruding section 2111 and the support plate 1 and between the limiting block 22 and the baffle plate 4 more balanced, which is more conducive to the fixing of the temperature sensor by the sensor mounting assembly; on the other hand, the size of the protruding section 2111 and the limiting block 22 can be reduced to free up the operating space for installation and adjustment.

[0088] As a variation of this embodiment, only the third gasket 233 or the fourth gasket 234 may be provided, which will not be described in detail herein.

[0089] Example 6

[0090] like Figure 8 As shown, a schematic diagram of the structure of the sensor installation assembly provided by the embodiment is shown. The sensor installation assembly provided by the embodiment includes a fixing part, a first limiting part, a second limiting part and a connecting part, wherein the fixing part is a support plate 1 and a baffle plate 4, and the support plate 1 and the baffle plate 4 are fixed in parallel and form a cavity therebetween, and the mounting through hole opened on the fixing part includes a first mounting hole 3 penetrating the support plate 1 and a second mounting hole 41 penetrating the baffle plate 4, and the first mounting hole 3 is coaxial with the second mounting hole 41. The first limiting part is a slider 5, and the connecting part is a connecting section 211, the outer diameter of the connecting section 211 is smaller than the aperture of the first mounting hole 3, and the first through hole axially opened in the connecting section 211 is a limiting hole 213, and the through hole (i.e., the first through hole) axially opened in the slider 5 is a second through hole 52, the aperture of the second through hole 52 is smaller than the outer diameter of the connecting section 211 and is greater than or equal to the aperture of the limiting hole 213, and the second through hole 52 is also used to penetrate the temperature sensor. The second limiting part is a limiting block 22, and the connecting section 211, the limiting block 22, and the sliding block 5 are all located in the cavity formed by the support plate 1 and the baffle plate 4, the sliding block 5 is located between the connecting section 211 and the baffle plate 4, and the limiting block 22 and the connecting section 211 are threadedly connected at a position close to the support plate 1. The sensor mounting assembly provided in this embodiment may also include a rotating section 212, which is coaxially connected to the connecting section 211 and is located outside the cavity surrounded by the support plate 1 and the baffle plate 4, and the rotating section 212 is axially penetrated by the limiting hole 213, and the limiting hole 213 axially penetrates the rotating section 212, the connecting section 211 and the sliding block 5, and the aperture of the limiting hole 213 is greater than or equal to the outer diameter of the temperature sensor.

[0091] Specifically, in the sensor mounting assembly provided in this embodiment, a first mounting hole 3 is provided on the support plate 1, and the first mounting hole 3 has the same purpose and function as those described in the embodiment 1, and the aperture of the first mounting hole 3 can include the possible fixed positions of the temperature sensor in the radial direction defined in the limiting hole 213. The baffle plate 4 is arranged opposite to the support plate 1, and the baffle plate 4 and the support plate 1 are fixed to form a cavity, and a second mounting hole 41 is provided on the baffle plate 4 at a position opposite to the first mounting hole 3 of the support plate 1, and the second mounting hole 41 is used to allow the temperature sensor to pass through, and the aperture of the second mounting hole 41 can allow the temperature sensor to pass through at the possible fixed positions of the temperature sensor in the radial direction. The connecting section 211 is provided with an external thread, and the limiting block 22 is in the form of a nut structure, which is provided with an internal thread that cooperates with the external thread on the connecting section 211, so that the connecting section 211 and the limiting block 22 can be threadedly connected. The connecting section 211, the slider 5 and the limit block 22 are all located in the cavity formed by the support plate 1 and the baffle plate 4, and the connecting section 211 and the limit block 22 are threadedly connected. The limit block 22 is close to one side of the support plate 1, and the outer diameter of the limit block 22 is larger than the aperture of the first mounting hole 3, so that the limit block 22 cannot pass through the first mounting hole 3. The slider 5 is located between the connecting section 211 and the baffle plate 4, and the outer diameter of the slider 5 is larger than the aperture of the second mounting hole 41, so that the slider 5 cannot pass through the second mounting hole 41. The slider 5 can be in the shape of a cover, and at least part of its periphery is movably sleeved on the limit block 22, and the first through hole opened on the slider 5 is the second through hole 52, and the aperture of the second through hole 52 is larger than or equal to the outer diameter of the sensor, but smaller than the outer diameter of the connecting section 211, so that the edge of the second through hole 52 of the slider 5 has an inwardly protruding portion relative to the outer diameter of the limit block 22, forming a convex edge 51. When the connecting section 211 is screwed into the baffle 4, the end of the connecting section 211 can abut against the convex edge 51, and in the clamped state, the end of the connecting section 211 abuts against the convex edge 51 so that the slider 5 is close to the baffle 4, and the limit block 22 is close to the support plate 1.

[0092] Since the outer diameter of the connecting section 211 is smaller than the aperture of the first mounting hole 3, the connecting section 211 can move up, down, left, and right in the first mounting hole 3 (i.e., it can move radially), driving the connecting section 211, the slider 5, and the limit block 22 to move radially in the cavity, thereby adjusting the position of the temperature sensor confined in the limit hole 213 in the first mounting hole 3 and the second mounting hole 41.

[0093] Fig. 9 The schematic diagram of the disassembled structure of the sensor installation assembly provided in this embodiment is shown. Fig.10The schematic diagram of the structure of the limit block 22 and the slider 5 in the cavity formed by the support plate 1 and the baffle plate 4 is shown. The outer periphery of the limit block 22 and the inner periphery of the slider 5 can both be rectangular, and the outer periphery of the slider 5 and the inner periphery of the cavity can also be rectangular, and the diagonal length of the rectangle of the outer periphery of the slider 5 is greater than the length and / or width of the rectangle of the inner periphery of the cavity. In this case, the limit block 22 and the slider 5 can move up, down, left, and right in the cavity synchronously, and can rotate together in the cavity at an angle less than 360°, and will eventually be restricted by the side of the cavity, which will help to tighten the threads of the connecting section 211 and the limit block 22.

[0094] Taking a tube furnace as an example, when the sensor installation assembly provided by the embodiment is used to install and fix the temperature sensor inserted into the tube furnace, Figure 2 As shown in the figure, the support plate 1 and the baffle plate 4 of the sensor installation assembly can be fixed at the furnace mouth of the tube furnace, and the axial direction of the first mounting hole 3 on the support plate 1 and the second mounting hole 41 on the baffle plate 4 is the same as the axial direction of the temperature field of the tube furnace. One end (front end) of the temperature sensor is inserted into the limit hole 213 from the rotating section 212 side, and is inserted into the tube furnace through the second through hole 52 and the second mounting hole 41 of the slider 5. Since the connecting section 211 can move radially in the first mounting hole 3, the position of the temperature sensor limited in the limit hole 213 in the first mounting hole 3 can be radially adjusted. When the position of the temperature sensor in the first mounting hole 3 is directly opposite to the blind hole in the tube furnace or the temperature sensor is not in a tense state due to the unbalanced force on both ends, the front end of the temperature sensor is fixed in the blind hole in the tube furnace, and the rotating section 212 is rotated to gradually thread the connecting section 211 and the limit block 22 (the limit block 22 and the slider 5 can rotate in the cavity, However, if the rotation angle is less than 360°, the rotation will eventually be restricted by the side of the cavity. At this time, the connection section 211 and the limit block 22 can be threadedly locked by simply screwing the rotating section 212). At this time, the limit block 22 will move toward the support plate 1 under the action of the spiral force of the connection section 211, and the slider 5 will move toward the baffle 4 under the action of the resistance force of the front end of the connection section 211 on its convex edge 51. When in the clamped state, the limit block 22 clamps the support plate 1, and the end of the connection section 211 presses against the convex edge 51 to make the slider 5 and the baffle 4 close to each other, thereby achieving the purpose of fixing the temperature sensor.

[0095] During adjustment, the threaded connection between the connecting section 211 and the limiting block 22 is loosened, and the position of the temperature sensor in the first mounting hole 3 can be further adjusted.

[0096] When the temperature sensor needs to be taken out from the tube furnace, the temperature sensor can be directly pulled out from the limiting hole 213 , so the operation is more convenient than the prior art.

[0097] As an extension of this embodiment, additional gaskets may be provided. For example, a seventh gasket is provided between the limit block 22 and the support plate 1, the aperture of the seventh gasket is smaller than the outer diameter of the limit block 22, and the outer diameter of the seventh gasket is larger than the aperture of the first mounting hole 3, and an eighth gasket is provided between the slider 5 and the baffle 4, the aperture of the eighth gasket is smaller than the outer diameter of the slider 5, and the outer diameter of the eighth gasket is larger than the aperture of the second mounting hole 41; or only the seventh gasket or the eighth gasket is provided, which will not be described one by one here.

[0098] Example 7

[0099] like Fig.11 , which shows a schematic diagram of the structure of the sensor installation assembly provided in this embodiment. The main difference between the sensor installation assembly provided in this embodiment and that in Embodiment 6 is that a spring piece 7 (for example, a crown-shaped spring piece) is further provided in the limiting hole 213. The schematic diagram of the structure of the spring piece 7 is shown in FIG. Fig.12 As shown, the aperture of the openings at both ends of the spring sheet 7 of this structural form is slightly larger than the outer diameter of the temperature sensor, and a plurality of inwardly concave elastic ribs 71 are provided between the openings at both ends. The spring sheet 7 is arranged in the limiting hole 213. On the one hand, the spring sheet 7 can provide a circumferential clamping force to the temperature sensor penetrating the limiting hole 213 through the inwardly concave elastic ribs 71, thereby limiting the movement of the temperature sensor in the limiting hole 213, thereby assisting the limiting effect of the limiting hole 213 and preventing the temperature sensor from escaping from the limiting hole 213; on the other hand, the limiting hole 213 can be allowed to adopt a larger and more flexible manufacturing aperture (not just an aperture slightly larger than the outer diameter of the temperature sensor), thereby reducing the manufacturing difficulty.

[0100] In addition, the spring piece 7 can also be installed in other embodiments, such as the limiting hole 213 of any one of embodiments 2-6, which will not be described in detail here.

[0101] Example 8

[0102] like Fig.13 As shown, this embodiment provides a sensor bracket 103, which is used to install a temperature sensor that is inserted into the cavity of the temperature calibration device when calibrating the temperature calibration device (such as a thermocouple calibration furnace or a dry body furnace). One or more ( Fig.13 3) The sensor mounting assembly described in any one of the above embodiments 1-7 ( Fig.13 Only the rotating section 212 and the limiting hole 213 in the sensor mounting assembly are visible. The sensor bracket is installed at the appropriate position of the furnace opening of the temperature calibration equipment (refer to Figure 2The installation position of 103' in the middle) can conveniently insert one or more temperature sensors into the cavity of the temperature calibration device through one or more sensor installation components integrated on the sensor bracket, and conveniently adjust the fixed position of the temperature sensor.

[0103] Example 9

[0104] This embodiment provides a temperature calibration device, which can be a device that provides a specific temperature or temperature field, such as a thermocouple calibration furnace or a dry body furnace, and includes a chamber for generating a calibration temperature field and a sensor bracket described in the above embodiment 8. The sensor bracket is arranged outside the temperature field, and can be fixed on the temperature calibration device by welding or screws, for example (refer to Figure 2 The installation position of 103' in the middle) makes the limiting hole of the sensor mounting assembly integrated thereon have the same axial direction as the temperature field generated by the temperature calibration device, so as to be used for installing a temperature sensor that penetrates into the cavity of the temperature calibration device to calibrate the temperature field generated by it.

[0105] When calibrating the temperature field generated by the temperature calibration device provided in this embodiment, since the sensor mounting assembly is integrated on the sensor bracket, the temperature sensor can be easily and quickly installed on the sensor bracket, and the fixed position of the temperature sensor can be conveniently adjusted so that the temperature sensor will not be affected by manufacturing tolerances, etc. After the calibration is completed, the temperature sensor can be easily removed from the sensor bracket.

[0106] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sensor mounting assembly, characterized in that: It comprises a fixing part, a first limiting part, a second limiting part and a connecting part, wherein the fixing part is provided with a mounting through hole, the mounting through hole runs through the fixing part, and the first limiting part and the second limiting part cannot pass through the mounting through hole; The connecting portion is axially provided with an external thread, the second limiting portion is axially provided with a through hole with an internal thread matching the connecting portion, and the first limiting portion and the connecting portion are both axially provided with a first through hole for penetrating a sensor; The second limiting portion is threadedly connected to the connecting portion, the first limiting portion and the second limiting portion can be fixed to the fixing portion from opposite directions in response to the rotation of the connecting portion, and the first through hole can make the radial position of the sensor penetrated therein in the mounting through hole move radially in the mounting through hole in response to the movement of the first limiting portion and the second limiting portion in the radial direction; The fixing portion comprises a support plate (1) and a baffle plate (4), wherein the support plate (1) and the baffle plate (4) are fixed in parallel and form a cavity therebetween; the mounting through hole comprises a first mounting hole (3) penetrating the support plate (1) and a second mounting hole (41) penetrating the baffle plate (4), wherein the first mounting hole (3) is coaxial with the second mounting hole (41); the first limiting portion comprises a protruding section (2111); the connecting portion comprises a connecting section (211), wherein a first through hole axially opened between the protruding section (2111) and the connecting section (211) is a limiting hole (213); the second limiting portion comprises a limiting block (22), wherein the protruding section (2111) and the connecting section (211) are fixed to each other, and the limiting block (22) and the connecting section (211) are threadedly connected.

2. The sensor mounting assembly according to claim 1, characterized in that: The fixing portion comprises a support plate (1); the mounting through hole is a first mounting hole (3) penetrating the support plate (1); the first limiting portion comprises a rotating section (212); the connecting portion comprises a connecting section (211); the first through hole axially opened between the rotating section (212) and the connecting section (211) is a limiting hole (213); the second limiting portion comprises a limiting block (22); the outer diameter of the connecting section (211) is smaller than the hole diameter of the first mounting hole (3); the connecting section (211) passes through the first mounting hole (3) and is coaxially connected to the rotating section (212) on one side of the support plate (1); and is threadedly connected to the limiting block (22) on the other side of the support plate (1).

3. The sensor mounting assembly according to claim 2, characterized in that: A first gasket (231) is provided between the rotating section (212) and the support plate (1), the aperture of the first gasket (231) being smaller than the outer diameter of the rotating section (212), and the outer diameter of the first gasket (231) being larger than the aperture of the first mounting hole (3); a second gasket (232) is provided between the limiting block (22) and the support plate (1), the aperture of the second gasket (232) being smaller than the outer diameter of the limiting block (22), and the outer diameter of the second gasket (232) being larger than the aperture of the first mounting hole (3); or, A first gasket (231) is provided between the rotating section (212) and the support plate (1); the aperture of the first gasket (231) is smaller than the outer diameter of the rotating section (212), and the outer diameter of the first gasket (231) is larger than the aperture of the first mounting hole (3); and the outer diameter of the limiting block (22) is larger than the aperture of the first mounting hole (3); or, The outer diameter of the rotating section (212) is larger than the aperture of the first mounting hole (3); a second gasket (232) is provided between the limiting block (22) and the support plate (1); the aperture of the second gasket (232) is smaller than the outer diameter of the limiting block (22), and the outer diameter of the second gasket (232) is larger than the aperture of the first mounting hole (3); or, The outer diameter of the rotating section (212) is larger than the diameter of the first mounting hole (3), and the outer diameter of the limiting block (22) is larger than the diameter of the first mounting hole (3).

4. The sensor mounting assembly according to claim 1, characterized in that: The protruding section (2111) and the connecting section (211) are fixed at a position close to the support plate (1), the limiting block (22) and the connecting section (211) are threadedly connected at a position close to the baffle (4), and the sensor mounting assembly further comprises a rotating section (212) coaxially connected to the protruding section (2111), the outer diameter of the rotating section (212) is smaller than the hole diameter of the first mounting hole (3), and extends from inside the cavity through the first mounting hole (3) to outside the cavity, and the limiting hole (213) is axially provided on the rotating section (212).

5. The sensor mounting assembly according to claim 4, characterized in that: A third gasket (233) is provided between the protruding section (2111) and the support plate (1), the aperture of the third gasket (233) is smaller than the outer diameter of the protruding section (2111), and the outer diameter of the third gasket (233) is larger than the aperture of the first mounting hole (3), and a fourth gasket (234) is provided between the limiting block (22) and the baffle (4), the aperture of the fourth gasket (234) is smaller than the outer diameter of the limiting block (22), and the outer diameter of the fourth gasket (234) is larger than the aperture of the second mounting hole (41); or, A third gasket (233) is sleeved between the protruding section (2111) and the support plate (1); the aperture of the third gasket (233) is smaller than the outer diameter of the protruding section (2111); the outer diameter of the third gasket (233) is larger than the aperture of the first mounting hole (3); and the outer diameter of the limiting block (22) is larger than the aperture of the second mounting hole (41); or, The outer diameter of the protruding section (2111) is larger than the aperture of the first mounting hole (3); a fourth gasket (234) is further provided between the limiting block (22) and the baffle (4); the aperture of the fourth gasket (234) is smaller than the outer diameter of the limiting block (22), and the outer diameter of the fourth gasket (234) is larger than the aperture of the second mounting hole (41); or, The outer diameter of the protruding section (2111) is larger than the hole diameter of the first mounting hole (3), and the outer diameter of the limiting block (22) is larger than the hole diameter of the second mounting hole (41).

6. The sensor mounting assembly according to claim 1, characterized in that: The protruding section (2111) and the connecting section (211) are fixed at a position close to the baffle (4), the limiting block (22) and the connecting section (211) are threadedly connected at a position close to the support plate (1), and the sensor mounting assembly further comprises a rotating section (212) coaxially connected to the connecting section (211), the outer diameter of the rotating section (212) being smaller than the hole diameter of the first mounting hole (3), and extending from the inside of the cavity through the first mounting hole (3) to the outside of the cavity, and the limiting hole (213) is axially penetrated by the rotating section (212).

7. The sensor mounting assembly according to claim 6, characterized in that: A fifth gasket is provided between the limit block (22) and the support plate (1), the aperture of the fifth gasket being smaller than the outer diameter of the limit block (22), and the outer diameter of the fifth gasket being larger than the aperture of the first mounting hole (3), and a sixth gasket is provided between the protruding section (2111) and the baffle (4), the aperture of the sixth gasket being smaller than the outer diameter of the protruding section (2111), and the outer diameter of the sixth gasket being larger than the aperture of the second mounting hole (41); or, A fifth gasket is sleeved between the limit block (22) and the support plate (1), the aperture of the fifth gasket being smaller than the outer diameter of the limit block (22), the outer diameter of the fifth gasket being larger than the aperture of the first mounting hole (3), and the outer diameter of the protruding section (2111) being larger than the aperture of the second mounting hole (41); or, The outer diameter of the limit block (22) is larger than the aperture of the first mounting hole (3), and a sixth gasket is provided between the protruding section (2111) and the baffle (4), the aperture of the sixth gasket is smaller than the outer diameter of the protruding section (2111), and the outer diameter of the sixth gasket is larger than the aperture of the second mounting hole (41); or, The outer diameter of the limiting block (22) is greater than the hole diameter of the first mounting hole (3), and the outer diameter of the protruding section (2111) is greater than the hole diameter of the second mounting hole (41).

8. The sensor mounting assembly according to any one of claims 1 to 7, characterized in that: The inner contour of the cavity enclosed by the support plate (1) and the baffle plate (4) is rectangular, the outer contour of the limit block (22) is rectangular, and the diagonal length of the outer contour of the limit block (22) is greater than the length and / or width of the inner contour of the cavity.

9. The sensor mounting assembly according to claim 1, characterized in that: The fixing portion comprises a support plate (1) and a baffle plate (4), the support plate (1) and the baffle plate (4) are fixed in parallel and form a cavity therebetween, the mounting through hole comprises a first mounting hole (3) penetrating the support plate (1) and a second mounting hole (41) penetrating the baffle plate (4), the first mounting hole (3) and the second mounting hole (41) being coaxial, the first limiting portion comprises a sliding block (5), the connecting portion comprises a connecting section (211), the outer diameter of the connecting section (211) being smaller than the hole diameter of the first mounting hole (3), and The first through hole axially opened in the connecting section (211) is a limiting hole (213); the second limiting portion comprises a limiting block (22); the through hole axially opened in the sliding block (5) is a second through hole (52); the aperture of the second through hole (52) is smaller than the outer diameter of the connecting section (211) and greater than or equal to the aperture of the limiting hole (213); the sliding block (5) is located between the connecting section (211) and the baffle (4); the limiting block (22) and the connecting section (211) are threadedly connected at a position close to the support plate (1).

10. The sensor mounting assembly according to claim 9, characterized in that: The sensor mounting assembly further comprises a rotating section (212), which is coaxially connected to the connecting section (211) and is located outside the cavity surrounded by the support plate (1) and the baffle plate (4), and the rotating section (212) is axially provided with the limiting hole (213).

11. The sensor mounting assembly according to claim 9 or 10, characterized in that: At least a portion of the circumference of the sliding block (5) is sleeved on the limiting block (22).

12. The sensor mounting assembly according to claim 9 or 10, characterized in that: A seventh gasket is provided between the limit block (22) and the support plate (1), the aperture of the seventh gasket being smaller than the outer diameter of the limit block (22), and the outer diameter of the seventh gasket being larger than the aperture of the first mounting hole (3), and an eighth gasket is provided between the slider (5) and the baffle (4), the aperture of the eighth gasket being smaller than the outer diameter of the slider (5), and the outer diameter of the eighth gasket being larger than the aperture of the second mounting hole (41); or, A seventh gasket is provided between the limit block (22) and the support plate (1), the aperture of the seventh gasket being smaller than the outer diameter of the limit block (22), the outer diameter of the seventh gasket being larger than the aperture of the first mounting hole (3), and the outer diameter of the sliding block (5) being larger than the aperture of the second mounting hole (41); or, The outer diameter of the limit block (22) is larger than the aperture of the first mounting hole (3), an eighth gasket is further provided between the slider (5) and the baffle (4), the aperture of the eighth gasket is smaller than the outer diameter of the slider (5), and the outer diameter of the eighth gasket is larger than the aperture of the second mounting hole (41); or, The outer diameter of the limit block (22) is greater than the hole diameter of the first mounting hole (3), and the outer diameter of the sliding block (5) is greater than the hole diameter of the second mounting hole (41).

13. The sensor mounting assembly according to claim 9 or 10, characterized in that: The inner contour of the cavity enclosed by the support plate (1) and the baffle plate (4) is rectangular, the outer contours of the limit block (22) and the slider (5) are rectangular, and the diagonal length of the outer contour of at least one of the limit block (22) and the slider (5) is greater than the length and / or width of the inner contour of the cavity.

14. The sensor mounting assembly according to any one of claims 2-7, 9 and 10, characterized in that: The sensor mounting assembly also includes a spring sheet (7) which is arranged in the limiting hole (213).

15. A sensor bracket, characterized in that: One or more sensor mounting assemblies according to any one of claims 1 to 14 are integrated on the sensor bracket (103).

16. A temperature calibration device, characterized in that: The temperature calibration device comprises a chamber for generating a temperature field for calibration and a sensor holder as claimed in claim 15; wherein: The sensor bracket is fixedly arranged outside the cavity for generating a calibration temperature field, and the sensor limiting hole (213) of the sensor mounting assembly integrated on the sensor bracket is in the same axial direction as the cavity for generating the temperature field.

17. The temperature calibration device according to claim 16, characterized in that The temperature calibration equipment is a thermocouple calibration furnace or a dry body furnace.

Images