Surface thermometer calibration device

Abstract

A surface thermometer calibration device comprises a calibration box, a heat conduction block is arranged in the calibration box, an isothermal block is arranged above the heat conduction block, a plurality of temperature measuring holes are formed in the isothermal block, a supporting plate is fixedly connected to one side of the upper side wall of the calibration box, a first sliding groove is formed in the supporting plate, and a lifting block is slidably connected into the first sliding groove; and a screw rod is rotationally connected to the lower side wall of the first sliding groove, a thread at the upper end of the screw rod passes through the lifting block, extends to the position above the supporting plate and is fixedly connected with a first rotating button, a follow-up plate is fixedly connected to the lifting block, a clamping assembly is arranged on the follow-up plate, and a leveling assembly is further arranged on the supporting plate. Compared with the prior art, the surface thermometer leveling device has the advantages that probes of various surface thermometers can be fixed through the clamping assembly, the applicability is high, the surface thermometer leveling device is more practical, the probes of the surface thermometers placed on the placing plate can be leveled in batches through the leveling assembly, the leveling mode is convenient and rapid, the working efficiency is improved, and the working efficiency is improved. And the calibration precision is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of surface thermometer calibration, in particular to a surface thermometer calibration device. Background Art

[0002] A surface thermometer is an instrument used to measure the surface temperature of an object. It consists of a surface temperature sensor and a display instrument. It is often used in aviation, aerospace, energy, chemical industry, textiles and other scientific research and production that require accurate surface temperature measurement. When using a surface thermometer, it needs to be calibrated regularly to ensure the measurement accuracy of the surface thermometer.

[0003] After searching, a Chinese patent with announcement number CN217006160U is disclosed, which discloses a surface thermometer calibration device, including a box body, a heat-conducting block and an isothermal block stacked from bottom to top in the box body, the isothermal block is provided with a plurality of vertically arranged temperature measuring holes, and also includes a fixing clamp arranged at the midpoint of the temperature sensing element of the surface thermometer to be measured, the fixing clamp is provided with a flange, and the side walls of the plurality of temperature measuring holes are respectively provided with baffles in contact with the flange at the same horizontal height position close to the bottom.

[0004] The above-mentioned prior art solutions have the following shortcomings: the probes of different surface thermometers have different thicknesses, and the clamp can only fix probes of specific thicknesses, which has low applicability. In addition, in order to improve the calibration accuracy, a fixing clamp and a baffle are used to make the probe of the surface thermometer to be measured flush with the probe of the standard part. The fixing clamp needs to be placed on the midpoint of the temperature sensing element of the surface thermometer to be measured one by one, which is troublesome and has low work efficiency. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a surface thermometer calibration device to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose of the utility model, the technical solution adopted by the utility model is a surface thermometer calibration device, including a calibration box, a heat-conducting block is provided in the calibration box and an isothermal block is provided above the heat-conducting block, a plurality of temperature measuring holes are provided on the isothermal block, a support plate is fixedly connected to one side of the upper side wall of the calibration box, a first slide groove is provided on the support plate, a lifting block is slidably connected in the first slide groove, a screw is rotatably connected to the lower side wall of the first slide groove, the upper end of the screw thread passes through the lifting block and extends to the top of the support plate and is fixedly connected to a first rotating button, a follower plate is fixedly connected to the lifting block, a clamping assembly is provided on the follower plate, and a leveling assembly is also provided on the support plate.

[0007] As an improvement: the clamping assembly includes a second slide groove, a bidirectional screw, a moving block, an adapter plate, a chuck, a worm gear, a worm and a second rotating button; a plurality of second slide grooves distributed in an equidistant array are opened on the front side wall of the follower plate; a bidirectional screw is rotatably provided between the two side walls of the second slide groove; two symmetrically distributed moving blocks are threadedly sleeved on the bidirectional screw; an adapter plate is fixedly connected to the front side wall of the moving block; a chuck is fixedly connected to one side wall of the two adapter plates close to each other; a worm gear is fixedly sleeved in the middle part of the rod wall of the bidirectional screw; a worm meshing with the worm gear is rotatably provided on the lower side wall of the second slide groove; the upper end of the worm passes through the follower plate and is fixedly connected to the second rotating button.

[0008] As an improvement: the leveling assembly includes a rotating shaft, a leveling plate, a magnet, a column and an iron block, a rotating shaft is rotatably provided on the front side wall of the support plate, a leveling plate is fixedly connected to the rotating shaft, a magnet is fixedly connected to the side of the upper side wall of the leveling plate away from the rotating shaft, a column is fixedly connected to the side of the upper side wall of the calibration box away from the support plate, and an iron block that cooperates with the magnet is fixedly connected to the upper end of the column.

[0009] As an improvement: a plurality of groups of placement plates are fixedly connected to the front side wall of the follower plate and located above the second slide slot, and the number of the placement plates in each group is two and they are symmetrically distributed.

[0010] As an improvement: a rubber pad is provided on one side wall where the two clamps are close to each other.

[0011] As an improvement: the moving block is slidably connected to the second sliding groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] Through the setting of the clamping component, the probes of various surface thermometers can be fixed, which is highly applicable and more practical. The setting of the leveling component can batch level the probes of the surface thermometers placed on the placement plate. The leveling method is convenient and fast, which improves work efficiency and ensures calibration accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a surface thermometer calibration device of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of a clamping assembly of a surface thermometer calibration device of the utility model;

[0016] Figure 3 This is a schematic diagram of the clamp structure of a surface thermometer calibration device of the utility model;

[0017] As shown in the figure:

[0018] 1. Calibration box; 1.1. Isothermal block; 1.2. Temperature measuring hole; 1.3. Support plate; 1.4. First slide slot; 1.5. Lifting block; 1.6. Screw; 1.7. First rotating knob; 1.8. Follow-up plate; 2. Clamping assembly; 3. Leveling assembly; 2.1. Second slide slot; 2.2. Bidirectional screw; 2.3. Moving block; 2.4. Adapter plate; 2.5. Chuck; 2.6. Worm gear; 2.7. Worm; 2.8. Second rotating knob; 3.1. Rotating shaft; 3.2. Calibration plate; 3.3. Magnet; 3.4. Column; 3.5. Iron block; 1.81. Placement plate; 2.51. Rubber pad. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features and purpose effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both sides", "one side", "the other side" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figure 1As shown, a surface thermometer calibration device comprises a calibration box 1, a heat conducting block is arranged in the calibration box 1 and an isothermal block 1.1 is arranged above the heat conducting block, a plurality of temperature measuring holes 1.2 are provided on the isothermal block 1.1, a support plate 1.3 is fixedly connected to one side of the upper side wall of the calibration box 1, a first slide groove 1.4 is provided on the support plate 1.3, a lifting block 1.5 is slidably connected in the first slide groove 1.4, a screw rod 1.6 is rotatably connected to the lower side wall of the first slide groove 1.4, the upper end of the screw rod 1.6 is threaded through the lifting block 1.5 and extends to the upper side of the support plate 1.3 and is fixedly connected to a first rotating button 1.7, the lifting block 1. 5 is fixedly connected with a follower plate 1.8, and rotating the first rotating button 1.7 can drive the screw 1.6 to rotate. When the screw 1.6 rotates, the lifting block 1.5 can drive the follower plate 1.8 to move downward, so that the standard and the surface thermometer to be measured are moved downward, and the probe is inserted into the temperature measuring hole 1.2 for temperature measurement. By rotating the first rotating button 1.7, the height of the probe can be controlled, and the temperature at different heights in the temperature measuring hole 1.2 is measured and recorded. Whether the surface thermometer to be measured needs to be calibrated is determined according to the standard, and the calibration accuracy is improved. A clamping component 2 is provided on the follower plate 1.8, and a leveling component 3 is also provided on the support plate 1.3.

[0023] Specifically, Figure 2 As shown, a surface thermometer calibration device, the clamping assembly 2 includes a second slide 2.1, a bidirectional screw 2.2, a moving block 2.3, an adapter plate 2.4, a chuck 2.5, a worm wheel 2.6, a worm 2.7 and a second rotating knob 2.8, a plurality of second slides 2.1 distributed in an equidistant array are provided on the front side wall of the follower plate 1.8, a bidirectional screw 2.2 is rotatably provided between the two side walls of the second slide 2.1, two symmetrically distributed moving blocks 2.3 are threadedly sleeved on the bidirectional screw 2.2, an adapter plate 2.4 is fixedly connected to the front side wall of the moving block 2.3, and a chuck 2.5 is fixedly connected to the side walls of the two adapter plates 2.4 close to each other. 5. A worm gear 2.6 is fixedly sleeved in the middle of the rod wall of the bidirectional screw 2.2. A worm 2.7 meshing with the worm gear 2.6 is rotatably provided on the lower side wall of the second slide groove 2.1. The upper end of the worm 2.7 passes through the follower plate 1.8 and is fixedly connected with a second rotating button 2.8. The worm 2.7 can be driven to rotate by rotating the second rotating button 2.8. When the worm 2.7 rotates, the worm gear 2.6 can drive the bidirectional screw 2.2 to rotate. When the bidirectional screw 2.2 rotates, the two moving blocks 2.3 threadedly connected thereto can drive the adapter plate 2.4 to approach each other, so that the two chucks 2.5 clamp and fix the probe. The probe is suitable for probes of various thicknesses and has higher applicability.

[0024] Specifically, Figure 1As shown, a surface thermometer calibration device, the leveling assembly 3 includes a rotating shaft 3.1, a leveling plate 3.2, a magnet 3.3, a column 3.4 and an iron block 3.5, the rotating shaft 3.1 is rotatably provided on the front side wall of the support plate 1.3, the leveling plate 3.2 is fixedly connected to the rotating shaft 3.1, the side of the upper side wall of the leveling plate 3.2 away from the rotating shaft 3.1 is fixedly connected to the magnet 3.3, the side of the upper side wall of the calibration box 1 away from the support plate 1.3 is fixedly connected to the column 3.4, and the iron block 3.5 is fixedly connected to the column 3.4. The upper end of the column 3.4 is fixedly connected with an iron block 3.5 that cooperates with the magnet 3.3. The leveling plate 3.2 is rotated to make it rotate with the rotating shaft 3.1 as the center. When the leveling plate 3.2 rotates, the standard piece and the probe of the surface thermometer to be measured are leveled. When the magnet 3.3 on the leveling plate 3.2 is attracted to the iron block 3.5 on the upper end of the column 3.4, the standard piece and the probe of the surface thermometer to be measured are at the same height. The leveling method is convenient and quick, and the work efficiency is improved.

[0025] Specifically, Figure 2 As shown, a surface thermometer calibration device is provided, wherein a plurality of groups of placement plates 1.81 are fixedly connected to the front side wall of the follower plate 1.8 and located above the second slide groove 2.1, wherein the number of placement plates 1.81 in each group is two and they are symmetrically distributed, and the surface thermometer can be placed between the two placement plates 1.81 for rough positioning.

[0026] Specifically, Figure 3 As shown, a surface thermometer calibration device has a rubber pad 2.51 on one side wall where two clamps 2.5 are close to each other, which can prevent the probe from being damaged when the clamps 2.5 clamp the probe and can also prevent slipping.

[0027] Specifically, Figure 2 As shown, a surface thermometer calibration device, the moving block 2.3 is slidably connected to the second slide groove 2.1, when the bidirectional screw 2.2 rotates, the moving block 2.3 slides along the second slide groove 2.1.

[0028] When the utility model is implemented, the standard part and the surface thermometer to be measured are placed on the placement plate 1.81 for rough positioning. The standard part is a standard surface thermometer. Then the calibration plate 3.2 is rotated to rotate with the rotating shaft 3.1 as the center of the circle. When the calibration plate 3.2 rotates, the standard part and the probe of the surface thermometer to be measured are leveled. When the magnet 3.3 on the calibration plate 3.2 is attracted to the iron block 3.5 at the upper end of the column 3.4, the standard part and the probe of the surface thermometer to be measured are at the same height. The leveling method is convenient and fast, and the work efficiency is improved. Then the second rotating knob 2.8 is rotated to drive the worm 2.7 to rotate. When the worm 2.7 rotates, the worm wheel 2.6 can drive the bidirectional screw 2.2 to rotate. When the bidirectional screw 2.2 rotates, The two moving blocks 2.3 threadedly connected thereto drive the adapter plate 2.4 to approach each other, so that the two chucks 2.5 clamp and fix the probe, and then press down the calibration plate 3.2 to separate the magnet 3.3 from the iron block 3.5, and the calibration plate 3.2 becomes vertical, and then the first rotating knob 1.7 is turned to drive the screw rod 1.6 to rotate. When the screw rod 1.6 rotates, the lifting block 1.5 can drive the follower plate 1.8 to move downward, so that the standard and the surface thermometer to be measured move downward, and the probe is inserted into the temperature measuring hole 1.2 for temperature measurement. The height of the probe can be controlled by turning the first rotating knob 1.7, and the temperature at different heights in the temperature measuring hole 1.2 is measured and recorded. Whether the surface thermometer to be measured needs to be calibrated is determined according to the standard, thereby improving the calibration accuracy.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A surface thermometer calibration device, comprising a calibration box (1), wherein a heat conduction block is provided in the calibration box (1) and an isothermal block (1.1) is provided above the heat conduction block, wherein a plurality of temperature measuring holes (1.2) are provided on the isothermal block (1.1), characterized in that: A support plate (1.3) is fixedly connected to one side of the upper side wall of the calibration box (1), a first slide groove (1.4) is provided on the support plate (1.3), a lifting block (1.5) is slidably connected in the first slide groove (1.4), a screw rod (1.6) is rotatably connected to the lower side wall of the first slide groove (1.4), the upper end of the screw rod (1.6) is threaded through the lifting block (1.5) and extends to the top of the support plate (1.3) and is fixedly connected to a first rotating button (1.7), a follower plate (1.8) is fixedly connected to the lifting block (1.5), a clamping assembly (2) is provided on the follower plate (1.8), and a leveling assembly (3) is also provided on the support plate (1.3).

2. A surface thermometer calibration device according to claim 1, characterized in that: The clamping assembly (2) comprises a second slide groove (2.1), a bidirectional screw (2.2), a moving block (2.3), an adapter plate (2.4), a chuck (2.5), a worm wheel (2.6), a worm (2.7) and a second rotating knob (2.8); a plurality of second slide grooves (2.1) distributed in an equidistant array are provided on the front side wall of the follower plate (1.8); a bidirectional screw (2.2) is rotatably provided between the two side walls of the second slide groove (2.1); and two symmetrically distributed moving blocks are provided on the threaded sleeve of the bidirectional screw (2.2). A moving block (2.3), a transfer plate (2.4) is fixedly connected to the front side wall of the moving block (2.3), a chuck (2.5) is fixedly connected to the side walls of the two transfer plates (2.4) close to each other, a worm gear (2.6) is fixedly sleeved in the middle of the rod wall of the bidirectional screw (2.2), a worm (2.7) meshing with the worm gear (2.6) is rotatably provided on the lower side wall of the second slide groove (2.1), and the upper end of the worm (2.7) passes through the follower plate (1.8) and is fixedly connected to the second rotating button (2.8).

3. A surface thermometer calibration device according to claim 1, characterized in that: The leveling assembly (3) comprises a rotating shaft (3.1), a leveling plate (3.2), a magnet (3.3), a column (3.4) and an iron block (3.5); a rotating shaft (3.1) is rotatably provided on the front side wall of the support plate (1.3); the leveling plate (3.2) is fixedly connected to the rotating shaft (3.1); a magnet (3.3) is fixedly connected to the side of the upper side wall of the leveling plate (3.2) away from the rotating shaft (3.1); a column (3.4) is fixedly connected to the side of the upper side wall of the calibration box (1) away from the support plate (1.3); and an iron block (3.5) matching the magnet (3.3) is fixedly connected to the upper end of the column (3.4).

4. A surface thermometer calibration device according to claim 2, characterized in that: A plurality of groups of placement plates (1.81) are fixedly connected on the front side wall of the follower plate (1.8) and located above the second slide groove (2.1), and each group of the placement plates (1.81) has two placement plates (1.81) and are symmetrically distributed.

5. A surface thermometer calibration device according to claim 2, characterized in that: A rubber pad (2.51) is provided on one side wall of the two clamps (2.5) that are close to each other.

6. A surface thermometer calibration device according to claim 2, characterized in that: The moving block (2.3) is slidably connected to the second sliding groove (2.1).

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