CN211904480U - Glass thermometer verification and calibration device - Google Patents
Glass thermometer verification and calibration device Download PDFInfo
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- CN211904480U CN211904480U CN202020992639.3U CN202020992639U CN211904480U CN 211904480 U CN211904480 U CN 211904480U CN 202020992639 U CN202020992639 U CN 202020992639U CN 211904480 U CN211904480 U CN 211904480U
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Abstract
The utility model relates to a glass thermometer calibrating and calibrating device, which comprises a vertical rod rotationally connected to a workbench and a clamping device fixedly connected with the vertical rod, wherein the clamping device is provided with at least two clamping positions axially distributed; still be equipped with a plurality of cameras towards glass thermometer on the workstation, camera electric connection image processing equipment, image processing equipment electricity connection display. The utility model can place a plurality of glass thermometers by arranging the clamping device for clamping the glass thermometers on the vertical rod, and can observe, shoot, automatically identify and issue certificates or reports for the plurality of glass thermometers by rotating the vertical rod, thereby greatly improving the verification or calibration efficiency; the image is captured by the camera, amplified and processed by the image processing software, the indication value of the glass thermometer on the image is automatically identified, corresponding verification or calibration records are stored, a verification certificate or a calibration certificate is formed, manpower is liberated, and full-automatic verification and calibration are achieved.
Description
Technical Field
The utility model relates to a examination, calibration equipment technical field especially relate to the examination and the calibration of glass thermometer, specifically indicate a glass thermometer examination and calibrating device.
Background
At present, when the glass thermometer and the thermometer are verified or calibrated, the glass thermometer to be verified or calibrated is manually compared with a standard glass thermometer one by one, the verification or calibration efficiency is low, particularly, the verification or calibration on site takes a long time, and errors are easy to occur due to visual fatigue because the scribing distance of the glass thermometer is small and the glass thermometer is very laborious to observe.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide a glass thermometer examination and calibrating device, not only improved examination and calibration efficiency, solved the less deviation problem that leads to in glass thermometer groove clearance moreover.
The utility model is realized by the following technical proposal, provides a glass thermometer detecting and calibrating device, which comprises a vertical rod rotationally connected on a workbench and a clamping device fixedly connected with the vertical rod, wherein the clamping device is provided with at least two clamping positions distributed along the circumferential direction; the glass thermometer fixing device further comprises a thermostatic bath device located below the clamping position and a camera arranged towards the glass thermometer, the camera is electrically connected with the image processing equipment, and the image processing equipment is electrically connected with the display.
When the scheme is used, a standard platinum resistance thermometer or a standard glass thermometer is fixed on a standard clamping position in the middle of a clamping device, the glass thermometer to be detected or calibrated is fixed on the clamping position to be detected, the heights of the glass thermometers are kept consistent, a mercury head of the glass thermometer extends into a constant temperature bath device, images captured by a camera are amplified through image processing equipment and are displayed on a display, and a worker can clearly see the amplified mercury columns and scales, so that detection and calibration results can be obtained conveniently.
As optimization, a driving motor in transmission connection with the upright rod is installed on the workbench. This optimization scheme drives the pole setting through setting up driving motor and rotates, makes examination or calibration operation more convenient, has reduced personnel selection quantity.
As optimization, a driving belt wheel is fixedly arranged on an output shaft of the driving motor, and a driven belt wheel connected with the driving belt wheel through a transmission belt is fixedly sleeved on the vertical rod. The optimized scheme utilizes the belt transmission to drive the vertical rod to rotate, and has the advantages of simple structure, low cost and simple operation.
As optimization, the clamping device comprises an upper fixing disc and a pipe clamp, wherein the upper fixing disc is arranged at the clamping position, the pipe clamp is arranged at the clamping position, the upper fixing disc is sleeved and fixed on the vertical rod, and a first through hole corresponding to the clamping position is formed in the upper fixing disc. This clamping device who optimizes the scheme utilizes the pipe clamp to carry out the centre gripping to the glass thermometer and fixes, conveniently adjusts the position of glass thermometer, when carrying out the examination or the calibration of different temperatures, can conveniently remove the height of glass thermometer, makes the upper end of mercury column be located the camera within range, and the first through-hole of setting makes things convenient for the glass thermometer to pass.
Preferably, the vertical rod is further sleeved with a lower fixed disk positioned below the upper fixed disk, the lower fixed disk is provided with a second through hole corresponding to the clamping position, and the bottom surface of the second through hole is provided with a spring clamping piece with one end fixedly connected with the lower fixed disk. This optimization scheme is through setting up down the fixed disk, and when glass thermometer adjustment range was great, the spring clamping piece through lower fixed disk carries out the centre gripping to glass thermometer to increased examination or calibration scope, the second through-hole that sets up makes things convenient for glass thermometer to pass.
As optimization, the profiles of the first through hole and the second through hole respectively comprise a first circular arc section and a second circular arc section which are arranged oppositely along the radial direction, and the radius of the first circular arc section is smaller than that of the second circular arc section. The shape of the first through hole and the shape of the second through hole of the optimized scheme are matched with the shape of the cross section of the glass thermometer, so that the directions of the glass thermometers are consistent, and observation is facilitated.
As optimization, the thermostatic bath device and the camera are both arranged on the workbench. This optimization scheme all sets up the thermostatic bath device and camera on the workstation, has improved the wholeness of device, is convenient for install and transport.
The utility model has the advantages that: by arranging the clamping device for clamping the glass thermometers on the vertical rod, a plurality of glass thermometers can be observed in sequence by rotating the vertical rod, and the verification and calibration efficiency is greatly improved; the camera captures images, and the images are amplified by image processing software of the image processing equipment, so that the indication value of the glass thermometer is convenient to observe, and the accuracy is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a lower fixing tray;
shown in the figure:
1. the device comprises a workbench, 2, a driving motor, 3, a pipe clamp, 4, an upper fixed disk, 5, a glass thermometer, 6, a vertical rod, 7, a lower fixed disk, 8, a camera, 9, a spring clamping piece, 10, a driven belt wheel, 11, a bearing, 12, a thermostatic bath device, 13 and a driving belt wheel.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
The glass thermometer detecting or calibrating device comprises an upright rod 6 which is connected to a workbench 1 in a rotating mode in the vertical direction and a clamping device fixedly connected with the upright rod, twelve clamping positions which are distributed along the circumferential direction are arranged on the clamping device, the middle clamping position is used for clamping and fixing a standard glass thermometer, and the rest clamping positions are used for clamping and fixing the glass thermometer to be detected or calibrated. The worktable is also provided with a thermostatic bath device 12 positioned below the clamping position and a plurality of cameras 8 which are fixedly arranged along the transverse direction towards the glass thermometer 5, the cameras are electrically connected with image processing equipment, the image processing equipment is electrically connected with a display, and the image processing equipment adopts the prior art, such as a computer host, a GPU, algorithm software and the like. The thermostat bath device 12 is used to heat the mercury head of a glass thermometer, also implemented using prior art techniques.
The workbench is provided with a driving motor 2 which is in transmission connection with the upright stanchion, the output shaft of the driving motor extends downwards, and the output shaft of the driving motor is fixedly provided with a driving belt wheel 13. The upright stanchion is sleeved and fixed with a driven belt wheel 10 which is connected with the driving belt wheel through a driving belt, and the upright stanchion is connected with the workbench through a bearing 11.
The clamping device comprises an upper fixing disc 4 fixed on the vertical rod in a sleeved mode and a pipe clamp 3 which is installed on the upper fixing disc and located at the clamping position, a first through hole corresponding to the clamping position is formed in the upper fixing disc, and the section size of the first through hole is larger than that of the glass thermometer. In order to meet the adjustment requirement of the glass thermometer, a lower fixing disk 7 located below the upper fixing disk is fixedly arranged on the vertical rod of the embodiment, a second through hole corresponding to the clamping position is formed in the lower fixing disk, and a spring clamping piece 9 with one end fixedly connected with the lower fixing disk is arranged on the bottom surface of the second through hole. The outlines of the first through hole and the second through hole respectively comprise a first arc section and a second arc section which are oppositely arranged along the radial direction, the radius of the first arc section is smaller than that of the second arc section, the first arc section is positioned between the second arc section and the circle center of the fixed disk, and the connecting line of the middle point of the first arc section and the middle point of the second arc section is consistent with the radial direction of the fixed disk.
When the glass thermometer is used, a standard glass thermometer is fixed on one clamping position, the glass thermometer to be verified or calibrated is fixed on other clamping positions, the heights of the glass thermometers are kept consistent, a mercury head of the glass thermometer extends into a constant temperature bath device, the glass thermometer is heated to a required temperature and kept at a constant temperature, after a mercury column is stabilized, an image captured by a camera is amplified through image processing equipment and displayed on a display, a worker can clearly see the amplified mercury column and a scribed line, a marking line can be made on the display by taking the mercury column position of the standard glass thermometer as a reference, and then the relative relation between the mercury column position of the glass thermometer to be verified or calibrated and the marking line is observed sequentially by rotating an upright rod, so that whether the glass thermometer to be verified or calibrated is qualified is judged; and then heating to another required temperature and keeping the temperature constant, verifying or calibrating each glass thermometer to be verified or calibrated again, and if the upper end of the mercury column exceeds the range of the camera, moving the height position of the glass thermometer to enable the camera to capture the upper end position of the mercury column.
In order to improve the automation level of the device, the image captured by the camera through the image processing equipment is displayed on the display, and in addition to that the staff can clearly see the enlarged mercury column and the scale line, the indication value of the glass thermometer on the image is identified through the automatic identification software and is stored in the corresponding verification or calibration original record. The reading of the standard platinum resistance thermometer calculated by software is compared with the reading of the automatically identified glass thermometer, whether the identified or calibrated glass thermometer is qualified or not is judged according to the requirement of the allowable error of the regulation or specification, and a corresponding certificate or report of the verification or calibration is issued. The integrated process of photographing, automatic identification, automatic record storage and automatic generation of corresponding verification and calibration certificates or reports is realized, and related software and control are realized by adopting the prior art.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (7)
1. A glass thermometer verification and calibration apparatus, characterized by: the clamping device comprises a vertical rod (6) rotationally connected to a workbench (1) and a clamping device fixedly connected with the vertical rod, wherein the clamping device is provided with at least two clamping positions distributed along the circumferential direction; the glass thermometer is characterized by further comprising a thermostatic bath device (12) located below the clamping position and a plurality of cameras (8) arranged towards the glass thermometer (5), wherein the cameras are electrically connected with the image processing equipment, and the image processing equipment is electrically connected with the display.
2. A glass thermometer verification and calibration apparatus as defined in claim 1, wherein: the workbench is provided with a driving motor (2) which is in transmission connection with the upright rod.
3. A glass thermometer verification and calibration apparatus as defined in claim 1, wherein: a driving belt wheel (13) is fixedly arranged on an output shaft of the driving motor, and a driven belt wheel (10) connected with the driving belt wheel through a transmission belt is fixedly sleeved on the vertical rod.
4. A glass thermometer verification and calibration apparatus as defined in claim 1, wherein: the clamping device comprises an upper fixed disc (4) provided with the clamping position and a pipe clamp (3) arranged at the clamping position,
the upper fixing disc is sleeved and fixed on the vertical rod, and a first through hole corresponding to the clamping position is formed in the upper fixing disc.
5. A glass thermometer verification and calibration apparatus as defined in claim 4, wherein: a lower fixing disc (7) positioned below the upper fixing disc is further sleeved and fixed on the vertical rod, a second through hole corresponding to the clamping position is formed in the lower fixing disc, and a spring clamping piece (9) fixedly connected with the lower fixing disc is arranged on the bottom surface of the second through hole.
6. A glass thermometer verification and calibration apparatus as defined in claim 5, wherein: the profiles of the first through hole and the second through hole respectively comprise a first arc section and a second arc section which are oppositely arranged along the radial direction, and the radius of the first arc section is smaller than that of the second arc section.
7. A glass thermometer verification and calibration apparatus as defined in claim 1, wherein: the thermostatic bath device (12) and the camera (8) are both arranged on the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992639.3U CN211904480U (en) | 2020-06-03 | 2020-06-03 | Glass thermometer verification and calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992639.3U CN211904480U (en) | 2020-06-03 | 2020-06-03 | Glass thermometer verification and calibration device |
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| CN211904480U true CN211904480U (en) | 2020-11-10 |
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| CN202020992639.3U Active CN211904480U (en) | 2020-06-03 | 2020-06-03 | Glass thermometer verification and calibration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884206A (en) * | 2021-09-27 | 2022-01-04 | 沪东中华造船(集团)有限公司 | Fixing device and method for detecting platinum resistance thermometer in ship constant-temperature water tank |
-
2020
- 2020-06-03 CN CN202020992639.3U patent/CN211904480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884206A (en) * | 2021-09-27 | 2022-01-04 | 沪东中华造船(集团)有限公司 | Fixing device and method for detecting platinum resistance thermometer in ship constant-temperature water tank |
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