CN216869607U - Sensor calibration assembly - Google Patents
Sensor calibration assembly Download PDFInfo
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- CN216869607U CN216869607U CN202123266617.2U CN202123266617U CN216869607U CN 216869607 U CN216869607 U CN 216869607U CN 202123266617 U CN202123266617 U CN 202123266617U CN 216869607 U CN216869607 U CN 216869607U
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Abstract
The utility model discloses a sensor calibration assembly, which belongs to the technical field of sensor calibration, when only one sensor product needs to be calibrated, a sensor to be calibrated is fixed on an adapter plate, and a jackscrew on the side surface of a sliding block barrel on one side without the sensor product is loosened, so that a sliding block can freely slide in the sliding block barrel; and the jackscrew on the side surface of the sliding block barrel on one side of the sensor product is screwed down, so that the sliding block is fixed at the middle position in the sliding block barrel, and the sliding of the sliding block in the sliding block barrel is limited. When the rotating shaft rotates, the sliding block on the other side can generate certain centrifugal force due to the centrifugal effect to balance the centrifugal force generated by the product; when a plurality of products need to be calibrated simultaneously, jackscrews on the side faces of the sliding block cylinders on two sides can be loosened, so that balanced centrifugal force is generated and mutually offset, and further the influence of the rotating centrifugal force on the calibration precision of the sensor can be eliminated by adding a centrifugal force self-balancing device consisting of the sliding blocks, the sliding block cylinders and the springs.
Description
Technical Field
The utility model relates to the technical field of sensor calibration, in particular to a sensor calibration assembly.
Background
The process of scaling the sensor with a standard instrument is called calibration. In particular to a piezoelectric pressure sensor, a series of processes of generating a standard force with known magnitude by using a special calibration device such as a piston manometer to act on the sensor, outputting a corresponding charge signal by the sensor, measuring the charge signal by using a standard detection device with known precision to obtain the magnitude of the charge signal, and obtaining a set of input-output relations, are calibration processes of the piezoelectric pressure sensor. The three-axis turntable is widely applied to calibration of various direction sensors, and the stability and repeated positioning precision of the structure of the three-axis turntable have decisive influence on the measurement precision of the sensors.
The sensor calibration component in the prior art can only calibrate one sensor at a time because the self-balance of centrifugal force and eccentric force cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sensor calibration assembly, aiming at solving the technical defects.
The specific technical scheme provided by the utility model is as follows:
the sensor calibration assembly provided by the utility model comprises a calibration rotating shaft, a connecting seat fixed on the calibration rotating shaft, a fixed seat fixed on the connecting seat, a transfer plate fixed on the fixed seat, a sliding block barrel positioned between the connecting seat and the fixed seat, and a sliding block and a spring which are arranged in the sliding block barrel, wherein the spring is arranged on the inner wall of the sliding block barrel and two ends of the sliding block, and two ends of the spring are respectively abutted against the inner wall of the sliding block barrel and the sliding block.
Optionally, the sliding block is located in the middle of the sliding block barrel, a screw hole for fixing the sliding block is formed in the middle of the sliding block barrel, and the spring is in a compression state in a static state.
Optionally, the adapter plate includes a first adapter plate and a second adapter plate, the fixing base includes a first fixing base and a second fixing base, the first fixing base and the second fixing base are symmetrically arranged on two sides of the connecting base, the first connecting plate is fixed on the first fixing base, and the second connecting plate is fixed on the second fixing base.
Optionally, the slider barrel, the spring and the slider are a plurality of and are symmetrically arranged on two sides of the connecting seat, a fixing hole for installing a sensor to be tested is formed in the adapter plate, and two ends of the slider barrel are respectively fixed on the connecting seat and the fixing seat.
The utility model has the following beneficial technical effects:
according to the sensor calibration assembly provided by the utility model, when only one sensor product needs to be calibrated, a sensor to be calibrated is fixed on the adapter plate, and the jackscrew on the side surface of the sliding block barrel on one side without the sensor product is loosened, so that the sliding block can freely slide in the sliding block barrel; and the jackscrew on the side surface of the sliding block barrel on one side of the sensor product is screwed down, so that the sliding block is fixed at the middle position in the sliding block barrel, and the sliding of the sliding block in the sliding block barrel is limited. When the rotating shaft rotates, the sliding block on the other side can generate certain centrifugal force due to the centrifugal effect to balance the centrifugal force generated by the product; if the product is lighter, the jackscrews on the side surfaces of a plurality of slide block cylinders on the other side of the product can be screwed, so that the centrifugal force generated by the product can be adjusted, and the centrifugal force generated by the product can be better balanced; when a plurality of products need to be calibrated simultaneously, jackscrews on the side faces of the sliding block cylinders on two sides can be loosened, so that balanced centrifugal force is generated and mutually offset, and further the influence of the rotating centrifugal force on the calibration precision of the sensor can be eliminated by adding a centrifugal force self-balancing device consisting of the sliding blocks, the sliding block cylinders and the springs.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is an isometric schematic view of a sensor calibration assembly according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structural diagram of a sensor calibration assembly according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A sensor calibration assembly according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.
Referring to fig. 1 to 2, a sensor calibration assembly according to an embodiment of the present invention includes a calibration rotating shaft 1, a connecting seat 2 fixed on the calibration rotating shaft 1, a fixing seat 3 fixed on the connecting seat 2, an adapter plate 4 fixed on the fixing seat 3, a slider barrel 5 located between the connecting seat 2 and the fixing seat 3, a slider 6 and a spring 7 installed inside the slider barrel 5, where the spring 7 is disposed at a connection between an inner cavity of the slider barrel 5 and two ends of the slider 6, that is, the spring 7 is disposed at two ends of the slider 6, and two ends of the spring 7 are respectively abutted to an inner wall of the slider barrel 5 and the slider 6.
Referring to fig. 1 and 2, the slider 6 is located in the middle of the slider barrel 5, the middle of the slider barrel 5 is provided with a screw hole 8 for fixing the slider 6, and the spring 7 is in a compressed state in a static state. The sliding block 6 can be fixed on the sliding block barrel 5 by installing the jackscrew into the screw hole 8, namely after the sliding block 6 is fixed by adopting the jackscrew, the sliding block 6 cannot displace relative to the sliding block barrel 5 in the process that the sensor calibration assembly rotates along with the rotating shaft; when the sliding block 6 is not fixed by adopting a jackscrew, the sliding block 6 can overcome the acting force of a spring to displace relative to the sliding block barrel 5 in the process that the sensor calibration assembly rotates along with the rotating shaft; when the sensor calibration component is static, the sliding block 6 is restored to the initial position under the action of the springs at the two ends, so that the balance of the rotating centrifugal force in the sensor calibration process can be realized by loosening the corresponding jackscrews according to needs, and the calibration precision of the sensor is improved.
Referring to fig. 1 and 2, the adapter plate 4 includes a first adapter plate and a second adapter plate, the fixing base 3 includes a first fixing base and a second fixing base, the first fixing base and the second fixing base are symmetrically disposed on two sides of the connecting base 2, the first connecting plate is fixed on the first fixing base, and the second connecting plate is fixed on the second fixing base. A plurality of and symmetry setting are in the both sides of connecting seat 2 for slider section of thick bamboo 5, spring 7 and slider 6, are provided with the fixed orifices 9 that are used for installing the examination sensor that awaits measuring on the keysets 4, and the both ends of a slider section of thick bamboo 5 are fixed respectively on connecting seat 2 and fixing base 3. For example, counter bores combined with each other may be provided on the connecting seat 2 and the fixing seat 3, and then both ends of the slider tube 5 are installed in the counter bores, and after the connecting seat 2 and the fixing seat 3 are fixed by bolts, both ends of the slider tube 5 will be fixed on the connecting seat 2 and the fixing seat 3, respectively.
Referring to fig. 1 and 2, 6 slider barrels 5, 6 springs 7 and 6 sliders 6 may be respectively disposed between the connecting seat and the upper fixing seat and between the connecting seat and the lower fixing seat, each 1 slider barrel 5, each 1 spring 7 and each 1 slider 6 are mutually matched to form a centrifugal force self-balancing device, the 6 centrifugal force self-balancing devices are respectively and symmetrically disposed, corresponding jackscrews may be selectively loosened according to needs to realize corresponding centrifugal force self-balancing, that is, the centrifugal force self-balancing devices are symmetrically disposed, so that the corresponding centrifugal force self-balancing devices may be opened according to needs to eliminate the influence of the rotating centrifugal force on the calibration accuracy of the sensor, and the calibration accuracy of the sensor is further improved.
According to the sensor calibration assembly provided by the utility model, when only one sensor product needs to be calibrated, a sensor to be calibrated is fixed on the adapter plate, and the jackscrew on the side surface of the sliding block barrel on one side without the sensor product is loosened, so that the sliding block can freely slide in the sliding block barrel; and the jackscrew on the side surface of the sliding block barrel on one side of the sensor product is screwed down, so that the sliding block is fixed at the middle position in the sliding block barrel, and the sliding of the sliding block in the sliding block barrel is limited. When the rotating shaft rotates, the sliding block on the other side can generate certain centrifugal force due to the centrifugal effect to balance the centrifugal force generated by the product; if the product is lighter, the jackscrews on the side surfaces of a plurality of slide block cylinders on the other side of the product can be screwed, so that the centrifugal force generated by the product can be adjusted, and the centrifugal force generated by the product can be better balanced; when a plurality of products need to be calibrated simultaneously, jackscrews on the side surfaces of all the slide block cylinders on two sides can be loosened, so that balanced centrifugal force is generated and mutually offset, and further the influence of the rotating centrifugal force on the calibration precision of the sensor can be eliminated by adding a centrifugal force self-balancing device consisting of the slide blocks, the slide block cylinders and the springs.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the utility model. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (4)
1. The sensor calibration assembly is characterized by comprising a calibration rotating shaft, a connecting seat fixed on the calibration rotating shaft, a fixing seat fixed on the connecting seat, a transfer plate fixed on the fixing seat, a sliding block barrel positioned between the connecting seat and the fixing seat, a sliding block and a spring installed inside the sliding block barrel, wherein the spring is arranged on the inner wall of the sliding block barrel and at the two ends of the sliding block, and the two ends of the spring are respectively abutted to the inner wall of the sliding block barrel and the sliding block.
2. The sensor calibration assembly of claim 1, wherein the slider is located in the middle of the slider barrel, a screw hole for fixing the slider is formed in the middle of the slider barrel, and the spring is in a compressed state in a static state.
3. The sensor calibration assembly of claim 1, wherein the adapter plate comprises a first adapter plate and a second adapter plate, the fixing seats comprise a first fixing seat and a second fixing seat, the first fixing seat and the second fixing seat are symmetrically arranged on two sides of the connecting seat, the first adapter plate is fixed on the first fixing seat, and the second adapter plate is fixed on the second fixing seat.
4. The sensor calibration assembly according to claim 1, wherein the plurality of slider cylinders, the plurality of springs and the plurality of sliders are symmetrically arranged on two sides of the connecting seat, the adapter plate is provided with a fixing hole for mounting a sensor to be tested, and two ends of each slider cylinder are respectively fixed on the connecting seat and the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123266617.2U CN216869607U (en) | 2021-12-23 | 2021-12-23 | Sensor calibration assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123266617.2U CN216869607U (en) | 2021-12-23 | 2021-12-23 | Sensor calibration assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216869607U true CN216869607U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123266617.2U Active CN216869607U (en) | 2021-12-23 | 2021-12-23 | Sensor calibration assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216869607U (en) |
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2021
- 2021-12-23 CN CN202123266617.2U patent/CN216869607U/en active Active
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