CN215375479U - Photoelectric velocimeter calibration device and photoelectric velocimeter calibration system - Google Patents
Photoelectric velocimeter calibration device and photoelectric velocimeter calibration system Download PDFInfo
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- CN215375479U CN215375479U CN202121622052.4U CN202121622052U CN215375479U CN 215375479 U CN215375479 U CN 215375479U CN 202121622052 U CN202121622052 U CN 202121622052U CN 215375479 U CN215375479 U CN 215375479U
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Abstract
The utility model relates to a photoelectric velocimeter calibration device and a photoelectric velocimeter calibration system, wherein the photoelectric velocimeter calibration device comprises: the turntable assembly comprises a turntable body and a driving piece, the turntable body is in driving connection with the driving piece, and at least two triggering pieces are arranged on the turntable body; the installation component is used for installing photoelectric speedometer and standard component, and photoelectric speedometer sets up in the relative both sides of carousel body with the axis symmetry of standard component along the carousel body, and when the carousel body rotated, photoelectric speedometer and standard component all were used for triggering the cooperation with the trigger piece, and photoelectric speedometer and standard component all are used for measuring the speed that triggers the piece. The measurement error can be obtained by comparing the measurement speed of the photoelectric velocimeter with the speed of the standard component. This photoelectric speed meter calibrating device can accomplish the measurement to a whole set of instrument, can produce great speed under low trigger frequency, guarantees the accuracy and the stability of mark velocity source, is favorable to improving detection precision and detection efficiency.
Description
Technical Field
The utility model relates to the technical field of metering detection, in particular to a photoelectric velocimeter calibration device and a photoelectric velocimeter calibration system.
Background
With the development of sensor technology, a photoelectric speed measurement technology appears, and the principle of measuring the speed by a photoelectric sensor is to calculate the speed by utilizing the time interval of the photoelectric sensor under the condition of known trigger interval of a moving object, so that the photoelectric sensor is widely used for speed measurement in various occasions, such as automobile door and window speed measurement.
In the traditional technology, a scheme for calibrating a groove-type photoelectric velocimeter mainly comprises a free-fall method, a linear velocity measurement method and a signal simulation method, wherein the free-fall method is simple and easy to implement, but high-speed calibration is difficult to realize, and a high height is required for a high-speed standard velocity source, so that the equipment is not easy to popularize. In the linear velocity measurement method, a rotating arc line in circular motion replaces a straight line to serve as a detection standard, but real linear motion cannot be achieved, and the occupied space is large. The signal simulation method inputs pulse signals through a pulse generator, collects time difference and calculates speed, but cannot carry out integral calibration on a sensor and a secondary instrument, and is poor in stability.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a photoelectric velocimeter calibration device and a photoelectric velocimeter calibration system, which can effectively realize the measurement and calibration of the whole set of instrument, and have high reliability and strong stability.
An optoelectronic velocimeter calibration device comprising: the turntable assembly comprises a turntable body and a driving piece, the turntable body is in driving connection with the driving piece, and at least two triggering pieces are arranged on the turntable body; the installation component, the installation component includes first mounting bracket and second mounting bracket, first mounting bracket with the second mounting bracket is followed the axis symmetry of carousel body set up in the relative both sides of carousel body, first mounting bracket is used for being connected with the photoelectric speedometer, the second mounting bracket is used for being connected with the standard component, when the carousel body rotates, trigger the piece be used for respectively with the photoelectric speedometer with the standard component triggers the cooperation.
In the use process of the photoelectric speedometer calibration device, firstly, the photoelectric speedometer and the standard component are arranged on the mounting assembly, and the photoelectric speedometer and the standard component are symmetrically arranged along the axis of the turntable body; then, when the photoelectric velocimeter needs to be calibrated, the driving piece is started, the driving piece drives the turntable body to rotate, the triggering pieces rotate along with the turntable body, and when the two triggering pieces rotate to the induction area of the standard piece, the two triggering pieces are sequentially in triggering fit with the standard piece, so that the standard rotating speed can be calculated; similarly, when the two trigger parts rotate to the induction area of the measured photoelectric velocimeter, the two trigger parts are matched with the photoelectric velocimeter in a triggering mode, so that the measurement speed of the photoelectric velocimeter is calculated, the measurement speed of the photoelectric velocimeter is compared with the speed of the standard part, and the measurement error can be obtained. This photoelectric speed meter calibrating device can accomplish the measurement to a whole set of instrument, can produce great speed under low trigger frequency, guarantees the accuracy and the stability of mark velocity source, is favorable to improving detection precision and detection efficiency.
In one embodiment, the number of the triggering parts is two, and the two triggering parts are arranged at intervals along the circumferential direction of the turntable body.
In one embodiment, the included angle α between two adjacent trigger pieces ranges from 5 ° to 7 °.
In one embodiment, the first mounting bracket includes a first moving portion and a first fixed portion, the first fixed portion is movably connected with the first moving portion, the first moving portion is used for moving along a first direction, a second direction and a third direction, the first direction, the second direction and the third direction are all arranged in an intersecting manner, and the photoelectric velocimeter is used for being connected with the first moving portion.
In one embodiment, the second mounting bracket includes a second moving portion and a second fixed portion, the second fixed portion is movably connected to the second moving portion, the second moving portion is configured to move in a fourth direction, a fifth direction and a sixth direction, the fourth direction, the fifth direction and the sixth direction are all arranged in an intersecting manner, and the standard component is configured to be connected to the second moving portion.
In one embodiment, the mounting assembly further comprises a horizontal member, the horizontal member is disposed on the first mounting frame or the second mounting frame, and the horizontal member is used for measuring whether the positions of the photoelectric velocimeter and the standard member are at the same horizontal height.
In one embodiment, the horizontal member is an infrared level gauge, and the infrared level gauge is arranged on the second mounting frame.
The utility model provides a photoelectric speedometer calibration system, includes photoelectric speedometer, standard component and foretell photoelectric speedometer calibration device, the photoelectric speedometer with the standard component all with the installation component is connected, the photoelectric speedometer with the standard component all is used for measuring the speed of triggering the piece.
In the use process of the photoelectric speedometer calibration system, firstly, the photoelectric speedometer and the standard component are arranged on the mounting assembly, and the photoelectric speedometer and the standard component are symmetrically arranged along the axis of the turntable body; then, when the photoelectric velocimeter needs to be calibrated, the driving piece is started, the driving piece drives the turntable body to rotate, the triggering pieces rotate along with the turntable body, and when the two triggering pieces rotate to the induction area of the standard piece, the two triggering pieces are sequentially in triggering fit with the standard piece, so that the standard rotating speed can be calculated; similarly, when the two trigger parts rotate to the induction area of the measured photoelectric velocimeter, the two trigger parts are matched with the photoelectric velocimeter in a triggering mode, so that the measurement speed of the photoelectric velocimeter is calculated, the measurement speed of the photoelectric velocimeter is compared with the speed of the standard part, and the measurement error can be obtained. This photoelectric speed meter calibrating device can accomplish the measurement to a whole set of instrument, can produce great speed under low trigger frequency, guarantees the accuracy and the stability of mark velocity source, is favorable to improving detection precision and detection efficiency.
In one embodiment, the standard component is a high-speed digital optical fiber sensor, and when the turntable body rotates, the high-speed digital optical fiber sensor is in trigger fit with the trigger component.
In one embodiment, the optoelectronic velocimeter calibration system further comprises a control component, and the optoelectronic velocimeter and the standard component are both electrically connected to the control component.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
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 a first schematic structural diagram of an optoelectronic velocimeter calibration apparatus according to an embodiment;
fig. 2 is a schematic structural diagram of a calibration apparatus for an optoelectronic velocimeter in an embodiment;
fig. 3 is a schematic structural diagram of the turntable assembly according to an embodiment.
Description of reference numerals:
100. a photoelectric velocimeter calibration device; 110. a turntable assembly; 111. a turntable body; 112. a drive member; 113. a trigger; 120. mounting the component; 121. a first mounting bracket; 1211. a first moving part; 1212. a first fixed part; 122. a second mounting bracket; 1221. a second motion part; 1222. a second fixed part; 123. a horizontal member; 200. a photoelectric velocimeter; 300. a standard component; 400. and (6) a control member.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In an embodiment, referring to fig. 1, fig. 2 and fig. 3, an embodiment of the utility model provides an apparatus 100 for calibrating an optoelectronic velocimeter, including: a turntable assembly 110 and a mounting assembly 120. The turntable assembly 110 includes a turntable body 111 and a driving member 112, the turntable body 111 is in driving connection with the driving member 112, and at least two triggering members 113 are disposed on the turntable body 111. The mounting assembly 120 includes a first mounting frame 121 and a second mounting frame 122, and the first mounting frame 121 and the second mounting frame 122 are symmetrically disposed on two opposite sides of the turntable body 111 along an axis of the turntable body 111. The first mounting frame 121 is used for connecting with the photoelectric velocimeter 200, and the second mounting frame 122 is used for connecting with the standard component 300. When the turntable body 111 rotates, the trigger part 113 is used for being respectively matched with the photoelectric velocimeter 200 and the standard part 300 in a triggering manner.
In the use process of the calibration device 100 for the photoelectric velocimeter, firstly, the photoelectric velocimeter 200 and the standard piece 300 are installed on the installation component 120, and the photoelectric velocimeter 200 and the standard piece 300 are symmetrically arranged along the axis of the turntable body 111; next, when the photoelectric velocimeter 200 needs to be calibrated, the driving part 112 is started, the driving part 112 drives the turntable body 111 to rotate, the triggering part 113 rotates along with the turntable body 111, and when the triggering part 113 rotates to the sensing area of the standard part 300, the triggering part 113 is in triggering fit with the standard part 300, so that the standard rotating speed can be calculated; similarly, when the trigger 113 rotates to the sensing region of the measured photoelectric velocimeter 200, the trigger 113 and the photoelectric velocimeter 200 are in trigger fit, so as to calculate the measurement speed of the photoelectric velocimeter 200, compare the measurement speed of the photoelectric velocimeter 200 with the speed of the standard component 300, and obtain the measurement error. This photoelectric speed meter calibrating device 100 can accomplish the measurement to whole set of instrument, can produce great speed under low trigger frequency, guarantees the accuracy and the stability of mark velocity source, is favorable to improving detection precision and detection efficiency.
It should be noted that, the driving connection between the turntable body 111 and the driving element 112 should be understood that the turntable body 111 is connected to an output shaft of the driving element 112, and the driving element 112 is used as a power source and can drive the turntable body 111 to rotate around the output shaft of the driving element 112.
Alternatively, the drive 112 may be an electric motor, a hydraulic motor, a pneumatic motor, or other drive means.
Specifically, referring to fig. 1, 2 and 3, the driving member 112 is a motor. Thus, the photoelectric speed meter calibrating device is simple in structure, convenient to use and beneficial to improving the use convenience and the working reliability of the photoelectric speed meter calibrating device 100. The present embodiment provides only one specific embodiment of the driving member 112, but not limited thereto.
Wherein, when carousel body 111 rotates, trigger part 113 is used for triggering the cooperation with photoelectric speedometer 200 and standard component 300 respectively and understands, and photoelectric speedometer 200 can measure the speed of trigger part 113, and its principle is that two trigger parts 113 carry out twice shelters from photoelectric speedometer 200's light beam, and the time difference of the light beam of two shelters from photoelectric speedometer 200 through measuring trigger part 113 calculates the speed of trigger part 113 that photoelectric speedometer 200 obtained.
Similarly, the trigger 113 performs two obscurations of the beam of the standard 300 and the velocity of the trigger 113 acquired by the standard 300 is calculated by measuring the difference in time between two triggers 113 occluding the beam of the standard 300 twice.
It should be further noted that the standard component 300 is a photoelectric speed measuring device, and only needs to satisfy the technical effect that the measurement result is used for comparing with the measurement result of the measured photoelectric speed measuring instrument 200, and the type of the standard component can be a groove-type photoelectric sensor, a high-speed digital optical fiber sensor, and the like. Since the standard component 300 is not a part to be improved in the present embodiment, the present embodiment does not specifically limit the structure of the standard component 300, and reference may be made to existing products or literature descriptions.
In one embodiment, referring to fig. 1, fig. 2 and fig. 3, two triggering members 113 are provided, and the two triggering members 113 are spaced apart from each other along the circumferential direction of the turntable body 111. So, be favorable to realizing faster trigger time under the lower rotational speed of carousel body 111 to realize great trigger speed, be favorable to improving the measurement accuracy who sets out 113 speed to the detection effect of the photoelectric speedometer 200 of different frequencies.
In one embodiment, referring to fig. 1 and 3, the included angle α between two adjacent triggering members 113 ranges from 5 ° to 7 °.
Specifically, referring to fig. 1 and 3, the included angle α between the two triggering members 113 is 6 °. So, under the same rotational speed of carousel body 111, be favorable to shortening two trigger time that trigger 113, further realize great trigger speed, be favorable to improving measurement accuracy to the detection effect of the photoelectric speedometer 200 of different frequencies.
In one embodiment, referring to fig. 1 and 2, the mounting assembly 120 includes a first mounting frame 121 and a second mounting frame 122. The first mounting frame 121 and the second mounting frame 122 are symmetrically arranged on two opposite sides of the turntable body 111 along the axis of the turntable body 111, the photoelectric velocimeter 200 is used for being connected with the first mounting frame 121, and the standard component 300 is used for being connected with the second mounting frame 122. Therefore, the installation stability of the photoelectric velocimeter 200 and the standard component 300 is improved, and the overall quality and the use reliability of the photoelectric velocimeter calibration device 100 are improved.
Specifically, referring to fig. 1, the height H1 of the first frame 121 is the same as the height H2 of the second frame 122. The shortest distance D1 from the first mounting bracket 121 to the turntable body 111 is the same as the shortest distance D2 from the second mounting bracket 122 to the turntable body 111. Therefore, the measurement precision is improved, the reliability of the test result is ensured, and the overall quality and the use reliability of the photoelectric velocimeter calibration device 100 are improved.
In one embodiment, referring to fig. 1 and 2, the first mounting frame 121 includes a first moving portion 1211 and a first fixing portion 1212. The first fixing portion 1212 is movably connected to the first moving portion 1211, the first moving portion 1211 is configured to move along a first direction, a second direction and a third direction of the first fixing portion 1212, the first direction, the second direction and the third direction are all intersected, and the optical velocimeter 200 is configured to be connected to the first moving portion 1211. In this way, the position of the first moving part 1211 can be adjusted manually or automatically to adjust the specific position of the photoelectric velocimeter 200, which is beneficial to improving the convenience of the photoelectric velocimeter calibration apparatus 100 and further improving the testing efficiency; meanwhile, the method is beneficial to improving the measurement precision and the reliability of the measurement result.
Specifically, the first direction, the second direction and the third direction of the first fixing portion 1212 are perpendicular to each other. In this way, a spatial rectangular coordinate system is established with the first fixing portion 1212 as an origin, and the first moving portion 1211 is movable along the X-axis direction, the Y-axis direction, and the Z-axis direction of the first fixing portion 1212, and it can also be understood that the first moving portion 1211 is movable along the longitudinal direction, the width direction, and the height direction of the first fixing portion 1212.
In order to further understand and explain the length direction, the width direction and the height direction of the first fixing portion 1212, please refer to fig. 1, the length direction of the first fixing portion 1212 is a straight line S in fig. 11The height direction of the first fixing portion 1212 is a straight line S in fig. 1 in a direction indicated by an upper arrow2In the direction indicated by any of the above arrows. Referring to fig. 2, the width direction of the first fixing portion 1212 is a straight line S in fig. 23In the direction indicated by any of the above arrows.
In one embodiment, referring to fig. 1 and 2, the second mounting frame 122 includes a second moving portion 1221 and a second fixing portion 1222. The second fixed portion 1222 is movably connected to the second moving portion 1221, the second moving portion 1221 is used to move along the fourth direction, the fifth direction and the sixth direction of the second fixed portion 1222, the standard component is used to be connected to the second moving portion, the fourth direction, the fifth direction and the sixth direction are all intersected, and the standard component 300 is used to be connected to the second moving portion 1221. In this way, the position of the second moving part 1221 can be adjusted manually or automatically, and then the specific position of the standard component 300 is adjusted, which is beneficial to improving the convenience of the calibration device 100 of the photoelectric velocimeter and further improving the testing efficiency; meanwhile, the method is beneficial to improving the measurement precision and the reliability of the measurement result.
Further, referring to fig. 1 and fig. 2, the first fixing portion 1212 and the second fixing portion 1222 are disposed in parallel. The fourth, fifth, and sixth directions of the second fixing portion 1222 are all the same as the first, second, and third directions of the first fixing portion 1212.
In one embodiment, referring to fig. 1 and 2, the mounting assembly 120 further includes a horizontal member 123, the horizontal member 123 is disposed on the first mounting frame 121 or the second mounting frame 122, and the horizontal member 123 is used for measuring whether the positions of the photoelectric detector and the standard member 300 are at the same horizontal height. So, be favorable to the first mounting bracket 121 of quick adjustment and be in same water flat line with second mounting bracket 122, improve photoelectric velocimeter 200's convenience of use and measuring result's reliability.
Alternatively, the level member 123 may be a bubble level, an infrared level, or other level detection device.
Specifically, referring to fig. 1, the level member 123 is an infrared level. The infrared level gauge is disposed on the second mounting frame 122. Therefore, the method is beneficial to improving the calibration precision in the horizontal direction, and further improves the reliability of the measurement result. The present embodiment provides only one specific embodiment of the horizontal member 123, but is not limited thereto.
In an embodiment, referring to fig. 1 and fig. 2, a calibration system for an optoelectronic velocimeter includes an optoelectronic velocimeter 200, a standard component 300 and the above-mentioned calibration apparatus 100, wherein the optoelectronic velocimeter 200 and the standard component 300 are both connected to a mounting assembly 120.
In the use process of the photoelectric velocimeter calibration system, firstly, the photoelectric velocimeter 200 and the standard piece 300 are installed on the installation component 120, and the photoelectric velocimeter 200 and the standard piece 300 are symmetrically arranged along the axis of the turntable body 111; next, when the photoelectric velocimeter 200 needs to be calibrated, the driving part 112 is started, the driving part 112 drives the turntable body 111 to rotate, the triggering part 113 rotates along with the turntable body 111, and when the triggering part 113 rotates to the sensing area of the standard part 300, the triggering part 113 is in triggering fit with the standard part 300, so that the standard rotating speed can be calculated; similarly, when the trigger 113 rotates to the sensing region of the measured photoelectric velocimeter 200, the trigger 113 and the photoelectric velocimeter 200 are in trigger fit, so as to calculate the measurement speed of the photoelectric velocimeter 200, compare the measurement speed of the photoelectric velocimeter 200 with the speed of the standard component 300, and obtain the measurement error. This photoelectric speed meter calibration system can accomplish the measurement to whole set of instrument, can produce great speed under low trigger frequency, guarantees the accuracy and the stability of mark velocity source, is favorable to improving detection precision and detection efficiency.
In one embodiment, referring to fig. 1, the standard component 300 is a high-speed digital optical fiber sensor, and when the turntable body 111 rotates, the high-speed digital optical fiber sensor is triggered and matched with the triggering component 113. Therefore, the sensitivity is high, the adaptability is strong, the response can be fast, the acquisition instrument is provided with a standard time signal input interface and a time acquisition interface of the standard groove type photoelectric speed measuring device, the time base of the standard groove type photoelectric speed measuring device is calibrated, the measurement precision of the standard component 300 is improved, and the accuracy and the reliability of a calibration result are improved.
In one embodiment, referring to fig. 2, the calibration system of the optoelectronic velocimeter 200 further includes a control device 400, and the optoelectronic velocimeter 200 and the standard device 300 are electrically connected to the control device 400.
Specifically, the control 400 includes an interaction device and a control device. So, be favorable to improving the operation convenience of photoelectric speedometer calibration system, improve the work efficiency of photoelectric speedometer 200 calibration work, and then improve photoelectric speedometer calibration system's use and experience.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The photoelectric velocimeter calibration device is characterized by comprising:
the turntable assembly comprises a turntable body and a driving piece, the turntable body is in driving connection with the driving piece, and at least two triggering pieces are arranged on the turntable body;
the installation component, the installation component includes first mounting bracket and second mounting bracket, first mounting bracket with the second mounting bracket is followed the axis symmetry of carousel body set up in the relative both sides of carousel body, first mounting bracket is used for being connected with the photoelectric speedometer, the second mounting bracket is used for being connected with the standard component, when the carousel body rotates, trigger the piece be used for respectively with the photoelectric speedometer with the standard component triggers the cooperation.
2. The device for calibrating an optoelectronic velocimeter according to claim 1, wherein there are two trigger members, and the two trigger members are spaced apart from each other along the circumferential direction of the turntable body.
3. An optoelectronic velocimeter calibration device as claimed in claim 2, wherein the included angle α between two adjacent trigger members is in the range of 5 ° to 7 °.
4. The calibration device for an optoelectronic velocimeter of claim 1, wherein the first mounting frame comprises a first moving portion and a first fixing portion, the first fixing portion is movably connected to the first moving portion, the first moving portion is configured to move along a first direction, a second direction and a third direction, the first direction, the second direction and the third direction are all arranged in an intersecting manner, and the optoelectronic velocimeter is configured to be connected to the first moving portion.
5. The device for calibrating an optoelectronic velocimeter according to claim 1, wherein the second mounting frame comprises a second moving portion and a second fixing portion, the second fixing portion is movably connected to the second moving portion, the second moving portion is configured to move along a fourth direction, a fifth direction and a sixth direction, the fourth direction, the fifth direction and the sixth direction are all arranged in an intersecting manner, and the standard component is configured to be connected to the second moving portion.
6. The device for calibrating an optoelectronic velocimeter of claim 1, wherein the mounting assembly further comprises a horizontal member, the horizontal member is disposed on the first mounting frame or the second mounting frame, and the horizontal member is used for measuring whether the optoelectronic velocimeter and the standard member are at the same horizontal level.
7. An optoelectronic velocimeter calibration device according to claim 6, wherein the level member is an infrared level, the infrared level being disposed on the second mounting bracket.
8. A calibration system for an optoelectronic velocimeter, comprising an optoelectronic velocimeter, a standard component and the calibration device according to any one of claims 1 to 7, wherein the optoelectronic velocimeter and the standard component are both connected to the mounting assembly, and the optoelectronic velocimeter and the standard component are both used for measuring the speed of the trigger component.
9. The system for calibrating an optoelectronic velocimeter of claim 8, wherein the standard component is a high-speed digital fiber sensor, and the high-speed digital fiber sensor is in triggering engagement with the trigger component when the turntable body rotates.
10. An optoelectronic velocimeter calibration system according to claim 8, further comprising a control element, both the optoelectronic velocimeter and the standard element being electrically connected to the control element.
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| CN202121622052.4U CN215375479U (en) | 2021-07-16 | 2021-07-16 | Photoelectric velocimeter calibration device and photoelectric velocimeter calibration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115494264A (en) * | 2022-11-08 | 2022-12-20 | 江苏省计量科学研究院(江苏省能源计量数据中心) | Detection device and method of velocimeter for measuring speed by two parallel light beams |
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2021
- 2021-07-16 CN CN202121622052.4U patent/CN215375479U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115494264A (en) * | 2022-11-08 | 2022-12-20 | 江苏省计量科学研究院(江苏省能源计量数据中心) | Detection device and method of velocimeter for measuring speed by two parallel light beams |
| CN115494264B (en) * | 2022-11-08 | 2023-03-10 | 江苏省计量科学研究院(江苏省能源计量数据中心) | Detection device and method of velocimeter for measuring speed by two parallel light beams |
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