CN111595724A - Automatic scale numerical value reading device for verification of glass float meter - Google Patents
Automatic scale numerical value reading device for verification of glass float meter Download PDFInfo
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- CN111595724A CN111595724A CN202010472164.XA CN202010472164A CN111595724A CN 111595724 A CN111595724 A CN 111595724A CN 202010472164 A CN202010472164 A CN 202010472164A CN 111595724 A CN111595724 A CN 111595724A
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- linear motor
- fixedly arranged
- vertical shaft
- servo motor
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- 239000011521 glass Substances 0.000 title claims abstract description 35
- 238000012795 verification Methods 0.000 title abstract description 11
- 238000000034 method Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 20
- 208000034699 Vitreous floaters Diseases 0.000 description 9
- 230000005499 meniscus Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
- G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a device for automatically reading scale numerical values during verification of a glass float meter. The invention comprises a transparent container and a circular linear motor, wherein a slide rail is fixedly arranged on the upper end surface of a stator of the circular linear motor, a slide seat is connected onto the slide rail in a sliding manner, a rotor of the circular linear motor is fixedly arranged on the slide seat, an extensible member is fixedly arranged at the upper end of the rotor, a vertical shaft servo motor is fixedly arranged at the extensible end of the extensible member, a vertical shaft of the vertical shaft servo motor is fixedly connected with a horizontal plate, a camera is arranged at the upper end of the horizontal plate and is electrically connected with the input end of a PLC (programmable logic controller), the extensible member, the vertical shaft servo motor and the stator of the circular linear motor are electrically connected with the output end. The method and the device can replace a calibrating personnel to automatically finish observation, judgment and reading, and calculation of the calibrating result, and achieve the purpose of ensuring the calibrating quality and efficiency.
Description
Technical Field
The invention relates to the technical field of metrological verification, in particular to a device for automatically reading scale numerical values during verification of a glass float meter.
Background
The detection of fixed quality glass floaters such as densimeter, alcohol meter, sugar meter, milk meter and soil meter is carried out by immersing standard glass floaters and glass floaters to be detected in a same transparent container of detection liquid by Archimedes principle, manually reading scale values at liquid level of two glass floaters, and reading the lower edge of meniscus except that the inner surface of glass floaters is marked as the upper edge meniscus reading. When reading according to the upper edge, the eyes of the examiner look straight slightly higher than the liquid level, and can see a bright thin line or small light spot reflected by natural light or lamplight, namely the division value corresponding to the joint of the upper edge of the meniscus and the float gauge main pipe, and then the float gauge value is calculated. When the lower edge is read, the eyes of the examiner look straight slightly higher than the liquid level to see the oval liquid level, then the eyes are slowly lifted until the oval liquid level becomes a straight line, the corresponding division value at the moment is read out, and then the glass float counter value is calculated. The indication values of the scales are compared in the same detection liquid by the two glass floaters to obtain the correction value of the detected glass floaters. In the verification process, verification personnel need to observe, judge, read and calculate, and due to the fact that the conditions such as skills of the verification personnel are different, human interference factors inevitably exist and the verification quality is affected.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a device for automatically reading scale numerical values during the verification of a glass float meter.
The utility model provides a glass flotation device examination automatic reading scale numerical value device, includes transparent container and centers on the ring shape linear electric motor outside transparent container, the fixed slide rail that is equipped with of up end of ring shape linear electric motor's stator, ring shape linear electric motor is prior art, the stator comprises the coil, sliding connection has the slide on the slide rail, ring shape linear electric motor's active cell fixed mounting is on the slide, the active cell is the permanent magnet, the active cell upper end is fixed with vertical extensible member, the extensible member's flexible end is fixed with vertical axis servo motor, vertical axis servo motor's vertical axis top fixedly connected with horizontal plate, the camera is installed to the horizontal plate upper end, the camera is connected with the input electricity of PLC controller, extensible member, vertical axis servo motor and ring shape linear electric motor's stator all is connected with the output electricity of PLC controller, the PLC is in signal connection with a computer.
Preferably, the transparent container is placed on a workbench, and the circular ring-shaped linear motor is fixed on the workbench.
Preferably, the camera is fixed on the horizontal plate through a snap ring.
Preferably, the telescopic member is one of an electric push rod, a hydraulic cylinder or an air cylinder.
Compared with the prior art, the invention has the beneficial effects that:
the method and the device can replace a calibrating staff to automatically finish observation, judgment, reading and calculation of the calibrating result, can effectively avoid calibrating errors caused by human reasons, and achieve the purpose of ensuring the calibrating quality and efficiency.
Drawings
FIG. 1 is a schematic structural view in elevation section of the present application;
fig. 2 is a schematic top view of fig. 1.
In the figure: 1. stator, 2, transparent container, 3, standard glass flotage meter, 4, the work glass flotage meter of waiting to fix, 5, camera, 6, snap ring, 7, horizontal plate, 8, vertical axis, 9, vertical axis servo motor, 10, ring flange, 11, flexible end, 12, extensible member, 13, flange, 14, active cell, 15, PLC controller, 16, computer, 17, workstation.
Detailed Description
As shown in fig. 1 and 2, a device for calibrating and automatically reading scale numerical value by a glass float meter comprises a transparent container 2 placed on a workbench 17 and a circular ring-shaped linear motor surrounding the transparent container 2, wherein the transparent container 2 is cylindrical in the present application, the circular ring-shaped linear motor is in the prior art, a stator 1 of the circular ring-shaped linear motor is composed of coils, the stator 1 of the circular ring-shaped linear motor is fixed on the workbench 17 through bolts, a slide rail is arranged at the upper end of the stator 1, a slide seat is connected on the slide rail in a sliding manner, a rotor 14 of the circular ring-shaped linear motor is a permanent magnet and is installed on the slide seat, a vertical expansion part 12 is fixedly connected at the upper end of the rotor 14 through a connecting flange 13, the expansion part 12 can be an electric push rod, a hydraulic cylinder or an air cylinder, the expansion part 12 in the present embodiment is an electric push rod, the electric push rod is in the prior art, 8 top fixedly connected with horizontal plate 7 of vertical axis 8 servo motor, camera 5 is installed through snap ring 6 in 7 upper ends of horizontal plate, and camera 5 is connected with PLC controller 15's input electricity, and extensible member 12, 8 servo motor of vertical axis and ring shape linear electric motor's stator 1 all is connected with PLC controller 15's output electricity, and PLC controller 15 and computer 16 signal connection.
Before the application is used, standard liquid needs to be placed into a transparent container 2, then a cleaned standard glass float meter 3 and a to-be-detected working glass float meter 4 are immersed into a cylindrical transparent container 2 containing the standard liquid, when the glass float meter carries out reading on the upper edge of a meniscus, a mouse clicks a reading detection start button on the upper edge of the meniscus of the glass float meter in a computer 16 display screen, each electric control component controlled by a PLC (programmable logic controller) 15 enters a working state, the PLC 15 controls an electric push rod to work to enable a camera 5 to rise to the similar height of the liquid level in the cylindrical transparent container 2 containing the standard liquid, after the liquid level is stable and static, the PLC 15 switches on a power supply of an annular linear stator 1 to enable a rotor 14 of the annular linear motor to move on a sliding rail on the stator 1 of the annular linear motor, and a telescopic piece 12 on the stator 1, a vertical axis servo motor 9 and the camera 5 also move synchronously, the camera 5 transmits images of the junction between a main pipe of a standard glass float meter 3 and a main pipe of a working glass float meter 4 to be determined and a liquid surface to a PLC (programmable logic controller) 15 in real time in the moving process of surrounding a cylindrical transparent container 2 containing standard liquid, the PLC 15 determines the optimal observing position according to image data, the PLC 15 controls a circular linear motor to stop working, a vertical axis servo motor 9 is controlled to rotate in a fine tuning mode to enable the horizontal central line of the camera 5 to be intersected and perpendicular to the vertical central line of the main pipe, when the images are read according to the upper edge, the PLC 15 controls an electric push rod working telescopic end 11 to extend to enable the camera 5 to rise slightly above the liquid surface, a luminous thin line or small light spot reflected by natural light or lamplight can be seen, namely the division value corresponding to the connection position of the upper edge of a meniscus and the main pipe of the glass float meter is obtained, and the PLC 15 controls the vertical axis servo motor 9 and the electric push rod according to programming and combines with the amplified images for rapid analysis and and (4) outputting the value of the glass float meter, so that the PLC 15 observes and reads the scale values of the two glass float meters, and the indicating values of the scales of the two glass float meters are compared in the same detection liquid through the two glass float meters, so that the correction value of the detected glass float meter is automatically obtained.
When reading is carried out on the lower edge of the meniscus, a mouse clicks a reading verification start button on the lower edge of the meniscus of the glass float meter in a display screen of a computer 16, at the moment, a PLC (programmable logic controller) 15 controls a working telescopic end 11 of an electric push rod to shorten so that a camera 5 descends to be slightly lower than the liquid level to see the oval liquid level, then the PLC 15 controls the working telescopic end 11 of the electric push rod to slowly rise until the camera 5 observes that the oval liquid level becomes a straight line, the electric push rod stops working, the PLC 15 reads a division value corresponding to a main pipe according to image data transmitted by the camera 5 at the moment, then automatically calculates a value of the glass float meter, the PLC 15 controls a vertical axis servo motor 9 and the electric push rod according to programming and combines with an amplified image to carry out rapid analysis calculation to obtain a corresponding division value and calculate the value of the glass float meter, and then the PLC 15 reads the division, the indication values of the scales are compared in the same detection liquid by the two glass floaters, and the correction value of the detected glass floaters is automatically obtained.
Claims (4)
1. The utility model provides a glass floating meter examination automatic reading scale numerical value device which characterized in that: comprises a transparent container and a circular ring-shaped linear motor surrounding the transparent container, wherein a slide rail is fixedly arranged on the upper end surface of a stator of the circular ring-shaped linear motor, the circular ring-shaped linear motor is in the prior art, the stator consists of coils, the slide rail is connected with a slide seat in a sliding way, the rotor of the annular linear motor is fixedly arranged on the sliding seat, the rotor is a permanent magnet, a vertical telescopic piece is fixed at the upper end of the rotor, a vertical shaft servo motor is fixedly arranged at the telescopic end of the telescopic piece, the top end of a vertical shaft of the vertical shaft servo motor is fixedly connected with a horizontal plate, the upper end of the horizontal plate is provided with a camera which is electrically connected with the input end of the PLC controller, the stators of the telescopic piece, the vertical axis servo motor and the circular ring-shaped linear motor are all electrically connected with the output end of the PLC, and the PLC is in signal connection with a computer.
2. The apparatus of claim 1, wherein the apparatus comprises: the transparent container is placed on the workbench, and the annular linear motor is fixed on the workbench.
3. The apparatus of claim 1, wherein the apparatus comprises: the camera is fixed on the horizontal plate through a clamping ring.
4. The apparatus of claim 1, wherein the apparatus comprises: the telescopic piece is one of an electric push rod, a hydraulic cylinder or an air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472164.XA CN111595724A (en) | 2020-05-29 | 2020-05-29 | Automatic scale numerical value reading device for verification of glass float meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472164.XA CN111595724A (en) | 2020-05-29 | 2020-05-29 | Automatic scale numerical value reading device for verification of glass float meter |
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| Publication Number | Publication Date |
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| CN111595724A true CN111595724A (en) | 2020-08-28 |
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| CN202010472164.XA Pending CN111595724A (en) | 2020-05-29 | 2020-05-29 | Automatic scale numerical value reading device for verification of glass float meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390754A (en) * | 2021-06-11 | 2021-09-14 | 山东非金属材料研究所 | Automatic verification/calibration device and method for glass float meter |
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| CN208707750U (en) * | 2018-08-02 | 2019-04-05 | Oppo（重庆）智能科技有限公司 | A kind of camera and the electronic device with the camera |
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-
2020
- 2020-05-29 CN CN202010472164.XA patent/CN111595724A/en active Pending
Patent Citations (7)
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| CN104198330A (en) * | 2014-08-26 | 2014-12-10 | 深圳市湘津石仪器有限公司 | Float-type densitometer scale calibration device and calibration method thereof |
| CN105282513A (en) * | 2015-10-23 | 2016-01-27 | 国网山西省电力公司大同供电公司 | Device and method for detecting operation state of ultra-high-voltage transformer in transformer substation based on 3D infrared panoramic image |
| CN110166659A (en) * | 2018-02-13 | 2019-08-23 | 广东欧珀移动通信有限公司 | CCD camera assembly and electronic equipment |
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Cited By (1)
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|---|---|---|---|---|
| CN113390754A (en) * | 2021-06-11 | 2021-09-14 | 山东非金属材料研究所 | Automatic verification/calibration device and method for glass float meter |
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