CN114705265B - Irregular container measuring method and device - Google Patents
Irregular container measuring method and device Download PDFInfo
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- CN114705265B CN114705265B CN202110776932.5A CN202110776932A CN114705265B CN 114705265 B CN114705265 B CN 114705265B CN 202110776932 A CN202110776932 A CN 202110776932A CN 114705265 B CN114705265 B CN 114705265B
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- 230000001788 irregular Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 238000002347 injection Methods 0.000 claims abstract description 47
- 239000007924 injection Substances 0.000 claims abstract description 47
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000005303 weighing Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000002572 peristaltic effect Effects 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005422 blasting Methods 0.000 abstract description 2
- 230000003028 elevating effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention relates to a method and equipment for measuring an irregular container, which belongs to the field of measuring a container of a hollow body in blasting of military industry and civil use, and comprises the following steps: the container is positioned, and the weight of the device is weighed before water injection; the lifting device descends, the water supply and drainage pipe rapidly and accurately injects pure water with a certain temperature into the container, and the injected water supports the floater to ascend along the water supply and drainage pipe; the distance measuring sensor can measure the height of the liquid level by measuring the position of the floater; the weight difference between the whole device after water injection and before water injection is measured by a weighing sensor, namely the total weight of injected water; the apparatus includes: the device comprises a weighing sensor, a trolley, a water supply and drainage system, a frame body, a measured container and a capacity measuring mechanism; the capacity measuring mechanism comprises a lifting mechanism A, a lifting mechanism B, a water pipe, a floater, a displacement sensor, a distance measuring sensor and a temperature sensor; the lifting mechanism A cooperates with the lifting mechanism B to finish volume detection of containers with different heights; the advantages are that: the volume measurement of any height of containers with different heights can be realized at the same time, the structure is simple and compact, and the measurement precision can reach 0.1mm.
Description
Technical Field
The invention belongs to the field of measurement of hollow body containers in blasting of military industry and civil use, and particularly relates to a method and equipment for measuring an irregular container. The method is used for measuring volumes of various products required by military chemical industry, civil explosion or people production and life.
Background
At present, the common mode of measuring the volume of the empty body is water injection weighing in each unit, and water injection weighing is stopped after manual water injection reaches a calibrated position. The human eyes judge that the water surface reaches the calibration position, so that the accuracy of the water injection quantity is difficult to ensure. Although some improvement modes are provided in the aspect of ensuring the water injection quantity, the existing highest-precision measurement mode is to measure the liquid level height by using a liquid level sensor, and the precision of the existing liquid level sensor can only reach 1mm at the highest, so that the high-precision volume measurement cannot be realized. There are also related documents to propose the idea of measuring liquid level by adopting array electrodes with different depths, but the process is complicated, only a bit signal can be fed back, the liquid level value can not be detected at all times, and the method is not suitable for use in an explosion-proof environment.
Disclosure of Invention
The invention aims to provide a method and equipment for measuring an irregular container, which solve the problems in the prior art. The above object of the present invention is achieved by the following technical solutions:
a method of irregular container measurement comprising the steps of:
Step 1, fixing a measured container 5 on a trolley 2, and pushing the trolley 2 to a weighing sensor 1 to be in place;
Step2, the lifting mechanism A61 in the capacity measuring mechanism 6 descends, and the displacement sensor 65 stops descending after contacting the measured container 5;
step 3, the relative positions of the zero points of the distance measuring sensor 66 and the displacement sensor 65 are set to be fixed values, and the relative position value of the distance measuring sensor and the measured container can be accurately calculated through the measured value of the displacement sensor;
step 4, the water supply and drainage system 3 starts water injection, the water injection speed is controlled, the water injection quantity is detected in real time, and the injected water supports the float 64 to ascend along the water pipe 63;
Step 5, the distance measuring sensor 66 can indirectly measure the height of the liquid level by measuring the position of the floater 64, and when the floater 64 approaches the set height, the water injection speed is adjusted to be changed into slow water injection, so that the refined water injection is realized;
Step 6, stopping water injection when the distance measuring sensor 66 measures that the floater 64 moves to a set value from the upper end face of the measured container 5; the weight difference between the whole device after water injection and before water injection is measured through the weighing sensor 1, and the total weight of the injected water is obtained by subtracting the weight of the floater 64; the temperature sensor 67 measures the water temperature, provides a relative water density value according to the fed-back real-time water temperature, and calculates the water injection volume by combining the water injection weight; the volume of the immersed part of all the elements can be calculated, and the sum of the volume of the immersed part and the volume of the immersed part is the volume of the measured container;
And 7, lowering the water pipe 63 after measurement to enable the bottom end of the water pipe to contact the bottom of the measured container 5, reversing the water supply and drainage system 3, and discharging all water to finish the measurement work.
In the step 2, the volume measuring mechanism 6 further comprises a lifting mechanism B62, the lifting mechanism A61 is provided with the lifting mechanism B62 to lift, volume measurement of containers with different heights can be achieved, the set value of the water injection liquid level height in the step 6 can cover the whole height of the measured container, and the volume of any height of the container can be measured.
An irregular container measuring device comprises a weighing sensor 1, a trolley 2, a water supply and drainage system 3, a frame 4, a measured container 5 and a measuring mechanism 6; the capacity measuring mechanism 6 is mounted on the frame body 4, and the capacity measuring mechanism 6 comprises a lifting mechanism A61, a lifting mechanism B62, a water pipe 63, a floater 64, a displacement sensor 65, a distance measuring sensor 66 and a temperature sensor 67; the lifting mechanism B62 is arranged on the lifting mechanism A61, and the lifting mechanism A61 is provided with the lifting mechanism B62 to finish the volume detection of containers with different heights; the water pipe 63 is mounted to the elevating mechanism B62, the float 64 is floatingly connected to the water pipe 63, and the displacement sensor 65, the distance measuring sensor 66 and the temperature sensor 67 are mounted to the elevating mechanism a61, and the position of the float 64 is accurately detected by the distance measuring sensor 66.
The lifting mechanism B62 comprises a driving mechanism and a lifting device.
The driving mechanism is a cylinder or a servo motor, and whether the driving mechanism is the cylinder or the servo motor is determined according to the type contained in the measured volume height.
The lifting device comprises a rodless cylinder and a linear guide rail.
The water supply and drainage system 3 comprises a peristaltic pump and a water tank, the peristaltic pump is used for realizing water injection and drainage, and the water supply and drainage system 3 is connected with a water pipe 63.
The lifting mechanism A61 comprises a motor, a mounting frame, a ball screw and a linear guide rail.
The frame body 4 is of a single-arm beam structure.
The invention has the advantages that: the volume measurement of any height of containers with different heights can be realized simultaneously, the structure is simple and compact, the operation is convenient, and the measurement precision can reach 0.1mm.
Drawings
FIG. 1 is a schematic view of the whole structure of the present invention
FIG. 2 is a schematic diagram of a measuring mechanism according to the present invention
In the figure: 1. a weighing sensor; 2. a trolley; 3. a water supply and drainage system; 4. a frame body; 5. a measured container; 6. a capacity measuring mechanism; 61 lifting mechanism a; 62. a lifting mechanism B; 63. a water pipe; 64. a float; 65. a displacement sensor; 66. a ranging sensor; 67. a temperature sensor 67.
Detailed Description
A method of irregular container measurement comprising the steps of:
Step 1, fixing a measured container 5 on a trolley 2, and pushing the trolley 2 to a weighing sensor 1 to be in place;
Step2, the lifting mechanism A61 in the capacity measuring mechanism 6 descends, and the displacement sensor 65 stops descending after contacting the measured container 5;
step 3, the relative positions of the zero points of the distance measuring sensor 66 and the displacement sensor 65 are set to be fixed values, and the relative position value of the distance measuring sensor and the measured container can be accurately calculated through the measured value of the displacement sensor;
step 4, the water supply and drainage system 3 starts water injection, the water injection speed is controlled, the water injection quantity is detected in real time, and the injected water supports the float 64 to ascend along the water pipe 63;
Step 5, the distance measuring sensor 66 can indirectly measure the height of the liquid level by measuring the position of the floater 64, and when the floater 64 approaches the set height, the water injection speed is adjusted to be changed into slow water injection, so that the refined water injection is realized;
Step 6, stopping water injection when the distance measuring sensor 66 measures that the floater 64 moves to a set value from the upper end face of the measured container 5; the weight difference between the whole device after water injection and before water injection is measured through the weighing sensor 1, and the total weight of the injected water is obtained by subtracting the weight of the floater 64; the temperature sensor 67 measures the water temperature, provides a relative water density value according to the fed-back real-time water temperature, and calculates the water injection volume by combining the water injection weight; the volume of the immersed part of all the elements can be calculated, and the sum of the volume of the immersed part and the volume of the immersed part is the volume of the measured container;
And 7, lowering the water pipe 63 after measurement to enable the bottom end of the water pipe to contact the bottom of the measured container 5, reversing the water supply and drainage system 3, and discharging all water to finish the measurement work.
In the step 2, the volume measuring mechanism 6 further comprises a lifting mechanism B62, the lifting mechanism A61 is provided with the lifting mechanism B62 to lift, volume measurement of containers with different heights can be achieved, the set value of the water injection liquid level height in the step 6 can cover the whole height of the measured container, and the volume of any height of the container can be measured.
An irregular container measuring device comprises a weighing sensor 1, a trolley 2, a water supply and drainage system 3, a frame 4, a measured container 5 and a measuring mechanism 6; the capacity measuring mechanism 6 is mounted on the frame body 4, and the capacity measuring mechanism 6 comprises a lifting mechanism A61, a lifting mechanism B62, a water pipe 63, a floater 64, a displacement sensor 65, a distance measuring sensor 66 and a temperature sensor 67; the lifting mechanism B62 is arranged on the lifting mechanism A61, and the lifting mechanism A61 is provided with the lifting mechanism B62 to finish the volume detection of containers with different heights; the water pipe 63 is mounted to the elevating mechanism B62, the float 64 is floatingly connected to the water pipe 63, and the displacement sensor 65, the distance measuring sensor 66 and the temperature sensor 67 are mounted to the elevating mechanism a61, and the position of the float 64 is accurately detected by the distance measuring sensor 66.
The lifting mechanism B62 comprises a driving mechanism and a lifting device.
The driving mechanism is a cylinder or a servo motor, and whether the driving mechanism is the cylinder or the servo motor is determined according to the type contained in the measured volume height.
The lifting device comprises a rodless cylinder and a linear guide rail.
The water supply and drainage system 3 comprises a peristaltic pump and a water tank, the peristaltic pump is used for realizing water injection and drainage, and the water supply and drainage system 3 is connected with a water pipe 63.
The lifting mechanism A61 comprises a motor, a mounting frame, a ball screw and a linear guide rail.
The frame body 4 is of a single-arm beam structure.
It will be understood that the application has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the application. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.
Claims (3)
1. An irregular container measuring apparatus characterized by: the measuring equipment comprises a weighing sensor (1), a trolley (2), a water supply and drainage system (3), a frame body (4), a measured container (5) and a measuring mechanism (6); the capacity measuring mechanism (6) is mounted on the frame body (4), and the capacity measuring mechanism (6) comprises a lifting mechanism A (61), a lifting mechanism B (62), a water pipe (63), a floater (64), a displacement sensor (65), a distance measuring sensor (66) and a temperature sensor (67); the lifting mechanism B (62) is arranged on the lifting mechanism A (61), and the lifting mechanism A (61) is provided with the lifting mechanism B (62) to finish the volume detection of containers with different heights; the water pipe (63) is mounted on the lifting mechanism B (62), the floater (64) is in floating connection with the water pipe (63), the displacement sensor (65), the distance measuring sensor (66) and the temperature sensor (67) are mounted on the lifting mechanism A (61), and the position of the floater (64) is accurately detected through the distance measuring sensor (66); the lifting mechanism B (62) comprises a driving mechanism and a lifting device; the driving mechanism is a cylinder or a servo motor, and whether the driving mechanism is the cylinder or the servo motor is determined according to the type contained in the measured volume height; the lifting device comprises a rodless cylinder and a linear guide rail; the water supply and drainage system (3) comprises a peristaltic pump and a water tank, the peristaltic pump is used for realizing water injection and drainage, and the water supply and drainage system (3) is connected with a water pipe (63); the lifting mechanism A (61) comprises a motor, a mounting rack, a ball screw and a linear guide rail; the frame body (4) is of a single-arm beam structure.
2. An irregular container measuring method implemented by the irregular container measuring device according to claim 1, characterized in that: the method comprises the following steps:
step 1, fixing a measured container (5) on a trolley (2), and pushing the trolley (2) to a weighing sensor (1) to be in place;
Step 2, the lifting mechanism A (61) in the capacity measuring mechanism (6) descends, and the displacement sensor (65) stops descending after contacting the measured container (5);
Step 3, the relative positions of the zero points of the distance measuring sensor (66) and the displacement sensor (65) are set to be fixed values, and the relative position value of the distance measuring sensor and the measured container can be accurately calculated through the measured value of the displacement sensor;
Step 4, the water supply and drainage system (3) starts water injection, the water injection speed is controlled, the water injection quantity is detected in real time, and the injected water lifts the floater (64) to rise along the water pipe (63);
Step 5, the distance measuring sensor (66) can indirectly measure the height of the liquid level by measuring the position of the floater (64), and when the floater (64) approaches to the set height, the water injection speed is adjusted to be changed into slow water injection, so that fine water injection is realized;
Step 6, stopping water injection when the distance measuring sensor (66) measures that the floater (64) moves to a set value from the upper end face of the measured container (5); the weight difference between the whole device after water injection and before water injection is measured by a weighing sensor (1), and the weight of the float (64) is subtracted to obtain the total weight of the injected water; a temperature sensor (67) measures water temperature, provides relative water density value according to the fed-back real-time water temperature, and calculates water injection volume by combining with the water injection weight; the volume of the immersed part of all the elements can be calculated, and the sum of the volume of the immersed part and the volume of the immersed part is the volume of the measured container;
And 7, lowering the water pipe (63) after measurement to enable the bottom end of the water pipe to contact the bottom of the measured container (5), reversing the water supply and drainage system (3), and discharging all water to finish the measurement work.
3. A method of measuring irregular containers according to claim 2, wherein: in the step 2, the volume measuring mechanism (6) further comprises a lifting mechanism B (62), the lifting mechanism A (61) is cooperated with the lifting mechanism B (62) to lift, so that the volume measurement of containers with different heights can be realized, the set value of the water injection liquid level height in the step 6 can cover the whole height of the measured container, and the volume of any height of the container can be measured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110776932.5A CN114705265B (en) | 2021-07-09 | 2021-07-09 | Irregular container measuring method and device |
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| CN202110776932.5A CN114705265B (en) | 2021-07-09 | 2021-07-09 | Irregular container measuring method and device |
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| CN215177997U (en) * | 2021-07-09 | 2021-12-14 | 长春汇维科技股份有限公司 | Irregular container measuring device |
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| JP4630455B2 (en) * | 2000-12-27 | 2011-02-09 | アサヒ飲料株式会社 | Container automatic volume measuring device and container volume measuring method using the device |
| CN201344818Y (en) * | 2009-01-07 | 2009-11-11 | 四川科强电子技术有限责任公司 | Device for measuring liquid levels of cryogenic vessel in weighing method |
| CN202195848U (en) * | 2011-06-02 | 2012-04-18 | 山东省计量科学研究院 | Liquid level lifting mechanism of volume measurement |
| CN107702767B (en) * | 2017-09-19 | 2019-08-09 | 重庆材料研究院有限公司 | Based on the liquid level alarming switch detection method of static liquid level and its scaling method of alarming line |
| CN207816395U (en) * | 2017-12-21 | 2018-09-04 | 爱司凯科技股份有限公司 | A kind of liquid meter weighs device |
| CN111103042A (en) * | 2019-12-30 | 2020-05-05 | 北京大学口腔医学院 | Weight and volume integrated measuring device and method for in vitro transplanted tissue and organ |
| CN211717571U (en) * | 2020-04-28 | 2020-10-20 | 黄喜 | Automatic metering and calibrating device for liquid level meter |
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| CN215177997U (en) * | 2021-07-09 | 2021-12-14 | 长春汇维科技股份有限公司 | Irregular container measuring device |
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