CN219459208U - Image acquisition equipment and automatic pressure gauge calibration device - Google Patents
Image acquisition equipment and automatic pressure gauge calibration device Download PDFInfo
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- CN219459208U CN219459208U CN202320009918.7U CN202320009918U CN219459208U CN 219459208 U CN219459208 U CN 219459208U CN 202320009918 U CN202320009918 U CN 202320009918U CN 219459208 U CN219459208 U CN 219459208U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses image acquisition equipment, which comprises a shell, a camera, a light supplementing lamp and a driver for driving the light supplementing lamp to work, wherein the camera is fixed in the shell, acquires an image of a measured object through a first light transmission part of the shell, and supplements light through a second light transmission part of the shell, or the light supplementing lamp is fixed on a verification table through an adjustable frame for supplementing light, or two light supplementing lamps with different setting modes are adopted at the same time; the shell is also connected with a driving mechanism which can drive the shell to move up and down. The shell comprises a body, an outer cover and a pressing piece, wherein the first light-transmitting part is arranged on the pressing piece, the second light-transmitting part is arranged on the outer cover, and the pressing piece penetrates through the second light-transmitting part and is fixed with the body so as to press and fix the second light-transmitting part on the body. The utility model also discloses an automatic calibration device of the pressure gauge. The utility model can solve the problem of insufficient illumination of the inspection environment in the process of acquiring the inspection image of the existing instrument.
Description
Technical Field
The utility model relates to the technical field of pressure gauge verification and metering, in particular to image acquisition equipment and an automatic pressure gauge verification device.
Background
The pointer pressure gauge has the advantages of high mechanical strength, simple structure, low cost, reliable performance, convenient maintenance and repair and the like of the elastic sensitive element, and has wide application in the fields of industry and scientific research. However, after the pointer type pressure gauge is used and pressed for a period of time, the movement is inevitably deformed and worn, and accordingly various errors and faults can be generated in the pointer type pressure gauge. In order to ensure the original accuracy of the pointer pressure gauge, the magnitude is not distorted in transmission, and the pointer pressure gauge needs to be calibrated in time so as to ensure correct and reliable indication.
In some related meter verification systems, a scheme of acquiring an image of a meter to be tested by using a camera or an industrial camera, etc., and verifying a measuring meter based on the acquired image has been presented, such as a verification scheme published by publication No. CN 208283002U. However, in the image acquisition process, the illumination conditions of the inspection environment, such as insufficient illumination, cause difficulty in clearly acquiring pointer data of the pressure meter to be inspected, and influence the inspection operation.
Disclosure of Invention
The utility model aims to provide image acquisition equipment and an automatic pressure gauge verification device, which are used for solving the problem of insufficient illumination of a verification environment in the conventional instrument verification image acquisition process.
In order to solve the problems, the utility model adopts the following technical scheme:
the image acquisition equipment comprises a shell, a camera used for acquiring images of a pressure meter to be measured, a light supplementing lamp and a driver used for driving the light supplementing lamp to work, wherein the camera is fixed in the shell, acquires images of an object to be measured through a first light transmission part of the shell, and supplements light through a second light transmission part of the shell, or the light supplementing lamp is fixed on a verification table through an adjustable frame to supplement light, or two light supplementing lamps with different setting modes are adopted at the same time;
the shell is also connected with a driving mechanism which can drive the shell to move up and down.
Optionally, the shell includes body, dustcoat and press the firmware, and first printing opacity portion sets up on the press the firmware, and second printing opacity portion sets up on the dustcoat, and the press the firmware to wear to locate the center through-hole of second printing opacity portion and fix with the body to press the second printing opacity portion to fix in the body.
Optionally, the light supplement lamp is disposed between the body and the housing.
Optionally, the actuating mechanism includes casing, lead screw, slider and driving motor, and the casing is fixed in the examination platform, the vertical rotation of lead screw is connected in the casing, and driving motor is fixed in the casing and drives the lead screw and rotate, slider and lead screw threaded connection, shell fixed mounting are on the slider.
Optionally, two guide rods which are arranged on two sides of the screw rod in parallel are also fixed in the shell, and the sliding block is in sliding connection with the guide rods.
Optionally, a light sensor for sensing the intensity of ambient light is further included, and the light sensor is electrically connected with the driver.
Optionally, the image acquisition device further comprises a processor, and the processor is used for identifying the definition of the acquired image and triggering whether the driver starts the light supplementing lamp to work according to the definition of the image.
The utility model also provides an automatic pressure gauge checking device which comprises a checking table and the image acquisition equipment, wherein the pressure gauge is installed on the checking table through the pressure checking joint, and the image acquisition equipment is opposite to the pressure gauge.
Optionally, the pressure meter further comprises a tapping mechanism, wherein the tapping mechanism is installed on the verification table and is close to the measured pressure meter;
the tapping mechanism comprises a vertical rod, a first telescopic arm, a cross rod, a second telescopic arm, a rotating arm and a vibrator for tapping the shell of the pressure meter to be tested,
the upright rod is used for being fixed on the verification table; the first telescopic arm is movably sleeved on the vertical rod and can perform telescopic movement and/or circumferential rotation; the cross rod is horizontally arranged above the first telescopic arm, and one end of the cross rod is connected with the upper end of the first telescopic arm; the second telescopic arm is movably sleeved on the cross rod and can perform telescopic movement and/or circumferential rotation; the rotating arm is rotatably connected to one end, far away from the first telescopic arm, of the second telescopic arm; the vibrator is installed in the one end that the rocking arm kept away from the flexible arm of second, and the vibrating head protrusion rocking arm of vibrator sets up.
Optionally, the first telescopic arm and the vertical rod are locked by a first locking piece after relative movement, the second telescopic arm and the cross rod are locked by a second locking piece after relative movement, and the joint of the rotating arm and the second telescopic arm is locked by a third locking piece after relative movement between the rotating arm and the second telescopic arm.
By adopting the technical scheme, the utility model has the following advantages:
according to the utility model, the defect of weak indoor detection environment light intensity can be made up by arranging the light supplementing lamp, so that the image acquisition and recognition effects are improved; the light supplementing lamp of the image acquisition equipment can be arranged in two modes, namely, inside and outside, and can be flexibly selected during actual operation so as to ensure the light supplementing effect.
In addition, the light supplementing intensity of the light supplementing lamp can be multiple, and different light supplementing intensities can be adapted according to the intensity of indoor environment light and the definition of image acquisition.
The utility model also provides a structural foundation for realizing automatic verification of the pressure gauge to be tested through the integral layout design of the verification platform, the image acquisition equipment and the tapping mechanism.
Drawings
FIG. 1 is a schematic diagram of a light filling lamp according to one embodiment of the present utility model;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic perspective view of one embodiment of an automatic pressure gauge verification device of the present utility model;
fig. 4 is a front view of fig. 3;
FIG. 5 is a schematic view of the drive mechanism of FIG. 3;
FIG. 6 is a schematic diagram of another embodiment of the present utility model;
fig. 7 is a schematic view of the structure of the tapping mechanism in fig. 3 or fig. 6.
Reference numerals: 11. the device comprises an inspection table 12, an image acquisition device 13, a measured pressure meter 14, a shell 15, a lead screw 16, a sliding block 17, a driving motor 18 and a guide rod;
121. the camera comprises a body, 122, a camera base, 123, a light supplementing lamp, 124, a housing, 125, a driver, 126, a gooseneck, 127, a press fitting, 128 and a second light transmission part;
21. upright pole, 22, first telescopic arm, 23, horizontal pole, 24, second telescopic arm, 25, rocking arm, 26, vibrator, 27, first locking piece, 28, second locking piece, 29, third locking piece.
Detailed Description
In order to make the technical objects, technical solutions and advantageous effects of the present utility model more clear, the technical solutions of the present utility model are further described below with reference to fig. 1 to 7 and specific embodiments.
An embodiment of an image acquisition apparatus:
as shown in fig. 1 and 2, an image acquisition device includes a housing, a camera for acquiring an image of a measured pressure gauge 13, a light compensating lamp 123, and a driver 125 for driving the light compensating lamp 123 to work, wherein the camera is fixed in a camera base 122 in the housing, acquires an image of a measured object through a first light transmitting part of the housing, the light compensating lamp 123 is fixed in the housing, performs light compensation through a second light transmitting part 128 of the housing, and the housing is further connected with a driving mechanism capable of driving the light compensating lamp 123 to move up and down.
A second embodiment of the image capturing apparatus:
on the basis of the first embodiment, the housing includes a body 121, an outer cover 124 and a pressing member 127, the first light-transmitting portion is disposed on the pressing member 127, the second light-transmitting portion 128 is disposed on the outer cover 124, and the pressing member 127 is disposed through a central through hole of the second light-transmitting portion 128 and is fixed to the body 121, so as to press and fix the second light-transmitting portion 128 to the body 121.
In this embodiment, the pressing member 127 is a cylindrical structure with a step at one end, the middle hole of the cylindrical structure is the first light-transmitting portion, the barrel body passes through the second light-transmitting portion 128 and is fixed on the body 121, and the step is located outside the second light-transmitting portion 128; the outer cover 124 has a hollow structure in the middle, and the second light-transmitting portion 128 is a light-transmitting plate fixed in the middle of the outer cover 124, so that the larger the area of the light-transmitting plate is, the better the light-transmitting effect is.
A third embodiment of the image capturing apparatus:
on the basis of the second embodiment, the light supplement lamp 123 is disposed between the body 121 and the housing 124.
A fourth embodiment of the image capturing apparatus:
the difference from the first embodiment is that, as shown in fig. 6, the light compensating lamp 123 is fixed to the verification stand 11 by an adjustable bracket to perform light compensation. The adjustable shelf may be a gooseneck 126 or other adjustable support mechanism that enables positional adjustment.
Fifth embodiment of image acquisition apparatus:
the difference from the first embodiment is that two light-compensating lamps 123 with different arrangement modes are adopted at the same time, wherein one light-compensating lamp 123 is arranged between the main body 121 and the outer cover 124, and light compensation is performed through a second light-transmitting part 128 arranged on the outer cover 124, and the other light-compensating lamp 123 is fixed on the verification table 11 through an adjustable frame for light compensation.
In the first to fifth embodiments, the light-compensating lamps 123 of the image capturing apparatus 12 may be disposed in two ways, that is, disposed inside and outside, when only one light-compensating lamp 123 is disposed between the main body 121 and the outer cover 124, the light-compensating lamp 123 supplements light to the indoor environment around the calibration table 11 through the second light-transmitting portion 128 of the outer cover 124, and when only one light-compensating lamp 123 is disposed on the calibration table 11 through the adjustable frame, the spatial position of the light-compensating lamp 123 may be changed by adjusting the posture of the adjustable frame (such as bending the gooseneck 126) to approach the measured pressure gauge 13, so as to further enhance the light-compensating effect; or two light supplementing lamps 123 can be arranged between the body 121 and the outer cover 124 and fixed through an adjustable frame, and the light supplementing lamps can be flexibly selected during actual operation.
The illumination intensity of the light compensating lamp 123 may be unique or may be multiple illumination intensities, and when the driver 125 receives the start signal, the light compensating lamp 123 is started to perform light compensating illumination.
The light supplementing lamp 123 can be started according to the definition of the image acquired by the camera, when the definition is lower than a preset threshold, the light supplementing lamp 123 is triggered to work, and if the illumination intensity of the light supplementing lamp 123 is unique, the light supplementing lamp is directly started; if the illumination intensities of the light compensating lamps 123 are multiple, the illumination intensity of the matched light compensating lamp 123 can be selected according to the definition of the acquired image and started.
An embodiment six of the image capturing apparatus:
as one embodiment of the present utility model, on the basis of any one of the above embodiments, the driving mechanism includes a housing 14, a screw rod 15, a slider 16, and a driving motor 17, where the housing 14 is fixed on the verification table 11, the screw rod 15 is vertically rotatably connected in the housing 14, the driving motor 17 is fixed on the housing 14 and drives the screw rod 15 to rotate, the slider 16 is in threaded connection with the screw rod 15, and the housing is fixedly mounted on the slider 16.
An embodiment seven of the image capturing apparatus:
as one embodiment of the present utility model, on the basis of the sixth embodiment, two guide rods 18 parallel to two sides of the screw rod 15 are further fixed in the housing 14, the slider 16 is slidably connected with the guide rods 18, and the guide rods 18 can be used for limiting the longitudinal movement of the slider 16.
An embodiment eight of the image capturing apparatus:
as one embodiment of the present utility model, a light sensor for sensing the intensity of ambient light is further included in addition to any of the above embodiments, and the light sensor is electrically connected to the driver 125. The light sensor, which is not shown in the drawings, may also be called an ambient light sensor or a photo sensor, etc., and detects a change in the intensity of light received by the light sensor and converts the change in the intensity of light into a change in an electrical signal.
The light supplementing lamp 123 can be started according to the ambient light intensity measured by the light sensing sensor, when the intensity is lower than a preset threshold value, the light supplementing lamp 123 is triggered to work, and if the illumination intensity of the light supplementing lamp 123 is unique, the light supplementing lamp is directly started; if the illumination intensities of the light supplement lamps 123 are multiple, the illumination intensity of the matched light supplement lamps 123 can be selected according to the illumination intensity of the indoor environment, and the light supplement lamps can be started.
An embodiment nine of the image pickup apparatus:
as one embodiment of the present utility model, on the basis of any one of the above embodiments, the image capturing apparatus 12 further includes a processor for identifying the sharpness of the captured image and triggering whether the driver 125 activates the light filling lamp 123 according to the sharpness of the image.
After the processor receives the picture shot by the camera, there are various image processing methods in the prior art, in this example, the following image processing methods may be selected: firstly, noise reduction and gray scale processing are carried out to obtain a gray scale image, then, the gray scale value of each pixel point in the gray scale image is obtained, whether the gray scale value of each pixel point of the whole gray scale image is low or not is judged (the gray scale value of each pixel point of the gray scale image is 0-255, if the gray scale value of each pixel point tends to 0, the gray scale value is black, if the gray scale value is close to the maximum value 255, the gray scale value is pure white), if the gray scale value is close to the maximum value, the light is insufficient, and the light supplementing lamp 123 needs to be controlled to be started to work.
The processor is preferably, but not limited to, an intel DL Boost processor.
An embodiment of an automatic pressure gauge verification device:
as shown in fig. 3 to 6, an automatic calibration device for a manometer includes a calibration stand 11 and an image acquisition apparatus according to any of the above embodiments, a manometer 13 is mounted on the calibration stand 11 through a pressure calibration joint, and the image acquisition apparatus 12 is facing the manometer 13.
Further, as one embodiment of the present utility model, a pressure gauge automatic verification device further includes a tapping mechanism mounted on the verification stand 11 and in close proximity to the measured pressure gauge 13;
as shown in fig. 7, the tapping mechanism includes a vertical rod 21, a first telescopic arm 22, a cross rod 23, a second telescopic arm 24, a swivel arm 25 and a vibrator 26 for tapping the housing of the pressure gauge 13,
the upright rod 21 is used for being fixed on the verification table 11; the first telescopic arm 22 is movably sleeved on the vertical rod 21 and can perform telescopic movement and/or circumferential rotation; the cross rod 23 is horizontally arranged above the first telescopic arm 22, and one end of the cross rod 23 is connected with the upper end of the first telescopic arm 22; the second telescopic arm 24 is movably sleeved on the cross bar 23 and can perform telescopic movement and/or circumferential rotation; the rotating arm 25 is rotatably connected to one end of the second telescopic arm 24 away from the first telescopic arm 22; the vibrator 26 is arranged at one end of the rotating arm 25 away from the second telescopic arm 24, and the vibrating head of the vibrator 26 is arranged protruding out of the rotating arm 25.
According to the embodiment, through the integral layout design of the verification table 11, the image acquisition equipment 12 and the tapping mechanism, the tapping mechanism can correspond to the pressure meter 13 with different types and different sizes when the automatic pressure meter verification device is used, and the pressure meter 13 is recovered from the card needle state by tapping the shell of the pressure meter 13. The image acquisition device 12 may be a mobile phone, a tablet or a camera, etc., and the image acquisition device 12 may move up and down to adjust and align its camera to the center position of the measured pressure gauge 13, so as to acquire dial image information of the measured pressure gauge 13 and identify the current pointer data of the measured pressure gauge 13.
Further, as one embodiment of the present utility model, after the first telescopic arm 22 and the upright 21 are relatively moved, the first locking member 27 is used for locking, after the second telescopic arm 24 and the cross bar 23 are relatively moved, the second locking member 28 is used for locking, after the second telescopic arm 24 and the rotating arm 25 are relatively moved, the connection part between the rotating arm 25 and the second telescopic arm 24 is locked by the third locking member 29.
When the position relation between the vibrator 26 of the tapping mechanism and the pressure meter 13 to be measured is determined, the relative positions among the upright rod 21, the first telescopic arm 22, the cross rod 23, the second telescopic arm 24 and the rotating arm 25 of the tapping mechanism can be adjusted in a manual adjustment mode, and after adjustment, the position is determined through each locking piece (such as jackscrews), so that the posture is kept stable, and the use feeling is good.
It will be appreciated that the adjustment of the positional relationship between the arms of the tapping mechanism is not limited to the manual adjustment described above.
The above embodiments are not limited in any way by the shape, materials, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the protection scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides an image acquisition equipment, includes shell and is used for gathering the camera of measured manometer image, its characterized in that: the camera is fixed in the shell, images of the object to be measured are acquired through a first light transmission part of the shell, the light supplementing lamp is fixed in the shell and supplements light through a second light transmission part of the shell, or the light supplementing lamp is fixed on the verification table through an adjustable frame to supplement light, or two light supplementing lamps with different setting modes are adopted at the same time;
the shell is also connected with a driving mechanism which can drive the shell to move up and down.
2. An image acquisition device according to claim 1, characterized in that: the shell comprises a body, an outer cover and a pressing piece, wherein the first light-transmitting part is arranged on the pressing piece, the second light-transmitting part is arranged on the outer cover, and the pressing piece penetrates through a central through hole of the second light-transmitting part and is fixed with the body so as to press and fix the second light-transmitting part on the body.
3. An image acquisition device according to claim 1, characterized in that: the light filling lamp is arranged between the body and the outer cover.
4. An image acquisition device according to claim 1, characterized in that: the driving mechanism comprises a shell, a screw rod, a sliding block and a driving motor, wherein the shell is fixed on the verification table, the screw rod is vertically and rotatably connected in the shell, the driving motor is fixed on the shell and drives the screw rod to rotate, the sliding block is in threaded connection with the screw rod, and the shell is fixedly arranged on the sliding block.
5. An image acquisition device according to claim 4, characterized in that: two guide rods which are arranged on two sides of the screw rod in parallel are also fixed in the shell, and the sliding block is in sliding connection with the guide rods.
6. An image acquisition device according to claim 1, characterized in that: the device also comprises a light-sensitive sensor for sensing the intensity of ambient light, and the light-sensitive sensor is electrically connected with the driver.
7. An image acquisition device according to claim 1, characterized in that: the image acquisition device further comprises a processor, wherein the processor is used for identifying the definition of the acquired image and triggering whether the driver starts the light supplementing lamp to work according to the definition of the image.
8. An automatic calibration device for a pressure gauge is characterized in that: an image acquisition device as claimed in any one of claims 1 to 7 and including a verification station on which the pressure gauge is mounted via a pressure verification joint, the image acquisition device being for the pressure gauge.
9. The automatic pressure gauge verification device of claim 8, wherein: the device also comprises a tapping mechanism, wherein the tapping mechanism is arranged on the verification table and is close to the measured pressure gauge;
the tapping mechanism comprises a vertical rod, a first telescopic arm, a cross rod, a second telescopic arm, a rotating arm and a vibrator for tapping the shell of the pressure meter to be tested,
the upright rod is used for being fixed on the verification table; the first telescopic arm is movably sleeved on the vertical rod and can perform telescopic movement and/or circumferential rotation; the cross rod is horizontally arranged above the first telescopic arm, and one end of the cross rod is connected with the upper end of the first telescopic arm; the second telescopic arm is movably sleeved on the cross rod and can perform telescopic movement and/or circumferential rotation; the rotating arm is rotatably connected to one end, far away from the first telescopic arm, of the second telescopic arm; the vibrator is installed in the one end that the rocking arm kept away from the flexible arm of second, and the vibrating head protrusion rocking arm of vibrator sets up.
10. The automatic pressure gauge verification device of claim 9, wherein: the first telescopic arm and the vertical rod are locked through a first locking piece after relative movement, the second telescopic arm and the cross rod are locked through a second locking piece after relative movement, and the joint of the rotating arm and the second telescopic arm is locked through a third locking piece after relative movement between the rotating arm and the second telescopic arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320009918.7U CN219459208U (en) | 2023-01-04 | 2023-01-04 | Image acquisition equipment and automatic pressure gauge calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320009918.7U CN219459208U (en) | 2023-01-04 | 2023-01-04 | Image acquisition equipment and automatic pressure gauge calibration device |
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| Publication Number | Publication Date |
|---|---|
| CN219459208U true CN219459208U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320009918.7U Active CN219459208U (en) | 2023-01-04 | 2023-01-04 | Image acquisition equipment and automatic pressure gauge calibration device |
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| Country | Link |
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| CN (1) | CN219459208U (en) |
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2023
- 2023-01-04 CN CN202320009918.7U patent/CN219459208U/en active Active
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