CN110987134B - Gas cylinder weight detection device and detection method thereof - Google Patents
Gas cylinder weight detection device and detection method thereof Download PDFInfo
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- CN110987134B CN110987134B CN201911147283.1A CN201911147283A CN110987134B CN 110987134 B CN110987134 B CN 110987134B CN 201911147283 A CN201911147283 A CN 201911147283A CN 110987134 B CN110987134 B CN 110987134B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
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- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
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Abstract
The invention relates to a weight detection device for a gas cylinder, which relates to the technical field of gas cylinder inflation detection and comprises a placing rack, a control cabinet and a plurality of sensors; the gas cylinder is placed on the placing frame through the placing frame, and the sensor is installed on the placing frame; the sensors are respectively arranged below the gas cylinder and at two sides of the gas cylinder; the control cabinet comprises a display screen, a controller and a gyroscope; the controller is electrically connected with the display screen, the gyroscope and each sensor. The invention also discloses a method for detecting the weight of the gas cylinder, which comprises the steps of vertically arranging the gas cylinder on the placing frame, and calculating the weight of the gas cylinder by measuring the force applied to the placing frame in the horizontal direction and the vertical direction due to the weight of the gas cylinder and the inclination angle of the gas cylinder. According to the gas cylinder weight detection device and the detection method thereof disclosed by the invention, the sensors for testing the pressure of the gas cylinder on the placing frame are arranged below and on two sides of the gas cylinder, and the gyroscope is arranged for measuring the inclination angle of the gas cylinder, so that the weight of the gas cylinder can still be accurately measured when the gas cylinder is in an inclined state.
Description
Technical Field
The invention relates to the technical field of weight detection of gas cylinders, in particular to a weight detection device of a gas cylinder and a detection method thereof.
Background
The gas cylinder is a movable pressure container which can be repeatedly inflated for use under normal environment (minus 40-60 ℃), has nominal working pressure of 1.0-30 MPa and nominal volume of 0.4-1000L and is used for containing permanent gas, liquefied gas or dissolved gas. During the use of the gas cylinder, the following two methods are generally adopted to detect the capacity of the gas cylinder:
(1) measuring the pressure in the gas cylinder according to a pressure gauge at the opening of the gas cylinder, and further judging the content of the gas cylinder;
(2) and weighing the weight of the gas cylinder according to the weight meter placed at the bottom of the gas cylinder, and further judging the capacity of the gas cylinder.
Detect the gas cylinder internal capacity through a detection method, do not receive the state of placing of gas cylinder to influence, nevertheless to the condition that gas has the physical state change in the gas cylinder, then can appear because its physical state changes, lead to gas cylinder internal gas pressure to rise fast, and then influence the staff to the judgement of gas cylinder internal capacity, lead to extravagant and erroneous discharge. For example: when the sulfur hexafluoride hydraulic cylinder is used, the residual sulfur hexafluoride liquid is solidified due to the fact that heat can be absorbed by the sulfur hexafluoride liquid in the gasification process, and then the air pressure in the cylinder measured by a pressure gauge of the air cylinder is rapidly reduced, so that the residual amount of the sulfur hexafluoride in the air cylinder is easily judged by a worker, and use is affected.
As shown in the figures 1 and 2, the gas cylinder inner capacity is detected by the second detection method, the gas cylinder needs to be vertically placed on the placing frame and cannot be inclined, and if the gas cylinder is slightly inclined, the weight of the gas cylinder cannot be accurately measured, so that the capacity judgment of a worker on the gas cylinder is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides the gas cylinder weight detection device, wherein sensors for testing the pressure of the gas cylinder on the placing frame are arranged below and on two sides of the gas cylinder, and the gyroscope is arranged for measuring the inclination angle of the gas cylinder, so that the weight of the gas cylinder can still be accurately measured when the gas cylinder is in an inclined state.
The invention also provides a method for detecting the weight of the gas cylinder, which can measure the inclination angle of the gas cylinder and the stress of the placing frame in the horizontal direction and the vertical direction simultaneously and improve the detection accuracy of the weight of the gas cylinder.
The technical scheme for solving the technical problems is as follows: a gas cylinder weight detection device; comprises a placing rack, a control cabinet and a plurality of sensors;
the gas cylinder is placed on the placing frame, and the sensor is installed on the placing frame;
the sensors are respectively arranged below the gas cylinder and at two sides of the gas cylinder;
the control cabinet comprises a display screen, a controller and a gyroscope; the gyroscope detects the inclination angle of the gas cylinder; the controller is electrically connected with the display screen, the gyroscope and each sensor.
In the technical scheme, the placing frame is used for placing the gas cylinder, so that the gas cylinder is vertically placed on the placing frame and is kept fixed in the inflating and detecting processes; the sensor is used for measuring the pressure generated by the weight of the gas cylinder on the placing frame in the vertical direction and the horizontal direction; the control cabinet collects the detection data of each sensor and each gyroscope and displays the data on the display screen after calculation. The technical scheme can avoid the influence of the gas state change in the gas cylinder on the measurement result of the content of the gas cylinder, and avoid the misjudgment of workers caused by the change of the state; meanwhile, the weight of the gas cylinder can be accurately measured in the inclined state of the gas cylinder, and the phenomenon that the content of the gas cylinder is misjudged due to inaccurate weight measurement of the gas cylinder, so that waste and misdischarge are caused is avoided.
The invention also discloses a method for detecting the weight of the gas cylinder, which comprises the following steps of vertically arranging the gas cylinder on a placing rack, and calculating the weight of the gas cylinder by measuring the stress of the placing rack in the horizontal direction and the vertical direction due to the weight of the gas cylinder and the inclination angle of the gas cylinder, wherein the calculation formula is as follows:
G＝(X1+X2…Xn)*sinα+Y1*cosα；
in the above formula, X1、X2、XnThe rack is stressed in the horizontal direction due to the weight of the gas cylinder; (ii) a
Y1The placing frame is stressed in the vertical direction due to the weight of the gas cylinder;
alpha is the inclination angle of the gas cylinder.
Above-mentioned technical scheme measures the rack because of the horizontal direction that gas cylinder weight received and the power of vertical direction, and then calculates the accurate weight that obtains the gas cylinder through above-mentioned formula of calculating, avoids the gas cylinder content erroneous judgement that the gas cylinder weight test is inaccurate to result in, causes extravagant and mistake emission, can also avoid simultaneously when the gas cylinder aerifys because the gas cylinder that the gas cylinder weight test is inaccurate to result in aerifys and surpasss the safety standard, causes the potential safety hazard.
Drawings
FIG. 1 is a schematic view of a gas cylinder placed on a measuring device in one embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along plane A-A of FIG. 1;
FIG. 3 is a schematic view of a gas cylinder placed on a measuring device in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of an overall structure of a measuring device according to an embodiment of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
100-gas cylinder, 1-placing rack, 11-framework, 12-base, 13-hoop, 131-first half ring, 132-second half ring, 14-reinforcing support rod, 2-control cabinet, 21-display screen, 31-dynamometer and 32-gravimeter.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
In the following embodiments, the controller is a microprocessor or other control device capable of implementing data acquisition, data processing, data transmission and program writing; the display screen 21 is a commercially available display or touch screen.
Example 1
As shown in fig. 3 and 4, the gas cylinder weight detection device provided by the embodiment includes a placing rack 1, a control cabinet 2 and a plurality of sensors;
the gas cylinder 100 is placed on the placing frame 1, and the sensor is installed on the placing frame 1; the gas cylinder 100 is placed on the placing frame 1, the gas cylinder 100 is vertically placed on the placing frame 1, and the gas cylinder 100 is kept fixed in the inflating and detecting processes;
sensors respectively arranged below the gas cylinder 100 and at two sides of the gas cylinder 100; for measuring the pressure exerted by the rack 1 in the vertical and horizontal directions by the weight of the cylinder 100;
the control cabinet 2 comprises a display screen 21, a controller and a gyroscope; the gyroscope detects the inclination angle of the gas cylinder 100; the controller is electrically connected with the display screen 21, the gyroscope and each sensor and is used for acquiring detection data of each sensor and the gyroscope and displaying the detection data on the display screen 21 after calculation.
The placing rack 1 comprises a frame 11, a base 12 and a fixing frame arranged on the frame 11; the frame 11 is a rectangular frame 11 formed by splicing a plurality of connecting rods which are arranged vertically and horizontally; the frame 11 is arranged on the base 12, and the fixed frame is arranged on the frame 11; a sensor is mounted on base 12 for measuring the pressure of gas cylinder 100 in the vertical direction against base 12.
The fixing frame comprises two supporting rods and a circular ring; two bracing pieces are connected respectively in the both sides of ring, all are provided with a sensor on every bracing piece for the pulling force or the pressure that the survey bracing piece received.
The gas cylinder 100 is arranged to pass through the ring of the fixing frame, so that the ring has a fixing effect on the gas cylinder 100.
When the gas cylinder 100 is vertically placed, the side wall of the gas cylinder 100 is not in contact with the inner side wall of the circular ring and does not generate pressure on the circular ring, and therefore the sensor on the supporting rod cannot detect tension/pressure; when the gas cylinder 100 inclines, the side wall of the gas cylinder 100 contacts with the inner side wall of the circular ring to generate pressure on the circular ring, and then the sensor on the supporting rod detects tension/pressure, namely the pressure received by the placing frame 1 in the horizontal direction due to the weight of the gas cylinder 100.
The method for detecting the weight of the gas cylinder provided by the embodiment comprises the following steps: adopt above-mentioned detection device, place gas cylinder 100 on rack 1, measure rack 1 through the sensor because of the pressure that gas cylinder 100 weight produced, the inclination of gas cylinder 100, the calculation obtains the weight of gas cylinder 100 in horizontal direction and vertical direction, and its computational formula is:
G＝(X1+X2…Xn)*sinα+Y1*cosα；
in the above formula, X1、X2、XnThe pressure of the gas cylinder 100 received by the placing frame 1 in the horizontal direction;
Y1the pressure of the gas cylinder 100 on the placing frame 1 in the vertical direction is obtained;
α is the inclination angle of the gas cylinder 100.
Taking the fixing frame arranged in each gas cylinder 100 as an example, two support rods are respectively positioned at two sides of the gas cylinder 100 and connected with the circular ring; every bracing piece is last to be provided with one and to draw pressure sensor, and its pressure value that records is respectively: x1、X2(ii) a The base 12 is provided with a pressure sensor, and the measured pressure value is as follows: y is1(ii) a The gyroscope measures the inclination angle α of the gas cylinder 100; the weight of cylinder 100 is therefore equal to G ═ X (X)1+X2)*sinα+Y1*cosα。
When the gas cylinder 100 is vertically arranged on the ground, the gas cylinder 100 is not in contact with the fixing frame, X1＝X2The pressure measured by the base 12 is the gravity of the gas cylinder 100, which is 0; when the gas cylinder 100 is tilted, the gas cylinder 100 comes into contact with the holder, X1/X2Not equal to 0, the weight of the gas cylinder 100 is equal to the resultant force of the pressure measured by the pressure sensor on the base 12 and the pressure measured by the pressure sensor pulled up the fixing frame.
Preferably, two fixing frames are arranged on each gas cylinder 100, and the two fixing frames are correspondingly arranged on the upper part and the lower part of the gas cylinder 100 respectively to play a role of stably supporting the gas cylinder 100; all be provided with one on every bracing piece and draw pressure sensor, its pressure value that records is respectively: x1、X2、X3、X4On the base 12The pressure sensor is arranged, and the measured pressure value is as follows: y is1(ii) a The gyroscope measures the inclination angle α of the gas cylinder 100; the weight of cylinder 100 is therefore equal to G ═ X (X)1+X2+X3+X4)*sinα+Y1*cosα。
In the use process, the actual internal volume of the gas cylinder 100 can be obtained by subtracting the empty cylinder weight of the gas cylinder 100 from the measured weight G, and the percentage of the internal volume of the gas cylinder 100 can be obtained by combining the full cylinder weight of the gas cylinder 100 specified in the national standard. The calculation process can be realized through the controller and is displayed on the display screen, so that the staff can conveniently check the calculation process.
Example 2
As a preferred embodiment, the rack 1 comprises a frame 11, a base 12 and at least one hoop 13; the frame 11 is a rectangular frame 11 formed by splicing a plurality of connecting rods which are arranged vertically and horizontally; the frame 11 is mounted on the base 12, and the hoop 13 is mounted on the frame 11; the sensors are respectively arranged on the base 12 and the hoop 13; the gas cylinder 100 passes through the hoop 13 and is vertically arranged on the base 12.
The hoop 13 comprises a first half ring 131 and a second half ring 132, and two ends of the first half ring 131 and the second half ring 132 are respectively connected into a circular ring through bolts; the two ends of the first half ring 131 and the second half ring 132 are connected to the frame 11 through a first connecting rod and a second connecting rod, respectively; the load cells 31 are mounted on the first and second links, respectively.
Preferably, the number of the hoops 13 is two corresponding to the upper part and the lower part of the gas cylinder 100, and two force meters 31 respectively positioned at two sides of the gas cylinder 100 are arranged on each hoop 13.
Other parts of this embodiment are substantially the same as those of the above embodiment, and therefore are not described in detail.
Example 3
As a preferable embodiment, the placing rack 1 further includes a reinforcing support bar 14 disposed in a triangular shape with the frame 11 and the base 12; the reinforced support rod 14 and the hoop 13 are respectively located on two sides of the frame 11 and used for supporting the placement frame 1, and the phenomenon that the placement frame 1 is unstable due to the fact that the center of gravity of the frame 11 is narrow and the frame for fixing the gas cylinder 100 is high due to the fact that the base 12 of the placement frame 1 is narrow is avoided.
Preferably, the frame 11 is not located at the center line of the base 12, and the width of the base 12 on the side where the gas cylinder 100 is prevented is larger than the width of the reinforcing support rod 14, so that after the gas cylinder 100 is installed on the placing rack 1, the center of gravity does not excessively shift to the side where the gas cylinder 100 is installed, and the placing rack 1 is unstable.
Preferably, each base 12 can mount a plurality of cylinders 100; correspondingly, each base 12 is also provided with a plurality of sensors, and the frame 11 is also provided with a plurality of hoops 13 or fixing frames corresponding to the gas cylinders 100; the sensor on every staple bolt 13/mount, every sensor on the base 12 all with switch board 2 electric connection, realize the while of a plurality of gas cylinders 100 weight and detect.
Other parts of this embodiment are substantially the same as those of the above embodiment, and therefore are not described in detail.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a gas cylinder weight detection device which characterized in that: comprises a placing rack (1), a control cabinet (2) and a plurality of sensors;
the gas cylinder (100) is placed on the placing frame (1), and the sensor is installed on the placing frame (1);
the control cabinet (2) comprises a display screen (21), a controller and a gyroscope; the controller is electrically connected with the display screen (21), the gyroscope and each sensor;
the sensors are respectively arranged below the gas cylinder (100) and at two sides of the gas cylinder (100);
the placing rack (1) comprises a frame (11), a base (12) and at least one hoop (13); the frame (11) is a rectangular frame (11) formed by splicing a plurality of connecting rods which are arranged vertically and horizontally; the frame (11) is arranged on the base (12), and the hoop (13) is arranged on the frame (11); the sensors are respectively arranged on the base (12) and the hoop (13); the gas cylinder (100) penetrates through the hoop (13) and is arranged on the base (12);
the sensor comprises a gravimeter (32) and at least two dynamometers (31), wherein the gravimeter (32) is arranged on the base (12) and used for detecting the stress of the placing rack (1) in the vertical direction due to the weight of the gas cylinder (100); the forcemeter (31) is arranged on the hoop (13) and positioned on two sides of the gas cylinder (100) and used for detecting the stress of the placing frame (1) in the horizontal direction due to the weight of the gas cylinder (100);
the gyroscope detects the inclination angle of the gas cylinder;
the weight of the gas cylinder (100) is obtained by calculating the pressure generated by the weight of the gas cylinder (100) and the inclination angle of the gas cylinder (100) in the horizontal direction and the vertical direction through measuring the placing frame (1), and the calculation formula is as follows:
G=（X1+X2…Xn）*sinα+Y1*cosα；
in the above formula, X1 、X2 、Xn The placing rack (1) is stressed in the horizontal direction due to the weight of the gas cylinder (100);
Y1the placing rack (1) is stressed in the vertical direction due to the weight of the gas cylinder (100);
alpha is the inclination angle of the gas cylinder (100).
2. A gas cylinder weight detecting device according to claim 1, characterized in that the hoop (13) comprises a first half ring (131) and a second half ring (132), and the two ends of the first half ring (131) and the second half ring (132) are respectively connected through bolts; the two ends of the first half ring (131) and the second half ring (132) are respectively connected to the frame (11) through a first connecting rod and a second connecting rod; the dynamometer (31) is respectively installed on the first connecting rod and the second connecting rod.
3. The gas cylinder weight detection device according to claim 2, characterized in that two hoops (13) are arranged corresponding to the upper part and the lower part of the gas cylinder (100), and each hoop (13) is provided with two dynamometers (31) respectively positioned at two sides of the gas cylinder (100).
4. A gas cylinder weight detecting device according to claim 2 or 3, characterized in that the gravimeter (32) is a pressure sensor; the dynamometer (31) is a pull pressure sensor.
5. A gas cylinder weight detection device according to any one of claims 1 to 3, characterized in that the placement frame (1) further comprises a reinforcing support rod (14) arranged in a triangular shape with the frame (11) and the base (12); the reinforcing support rods (14) and the anchor ears (13) are respectively positioned on two sides of the frame (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911147283.1A CN110987134B (en) | 2019-11-21 | 2019-11-21 | Gas cylinder weight detection device and detection method thereof |
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| CN201911147283.1A CN110987134B (en) | 2019-11-21 | 2019-11-21 | Gas cylinder weight detection device and detection method thereof |
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| CN110987134B true CN110987134B (en) | 2022-06-21 |
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| CN112483892A (en) * | 2020-11-20 | 2021-03-12 | 河南省日立信股份有限公司 | Sulfur hexafluoride removes and retrieves car storage tank group and weighs and removes mode auto-change over device |
| CN115031888B (en) * | 2022-06-24 | 2023-04-25 | 广东电网有限责任公司 | Detection device and detection method for vacuum defoamation minimum air pressure of resin castable |
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| CN106918385A (en) * | 2017-04-24 | 2017-07-04 | 成都步共享科技有限公司 | A kind of Weight-detecting device for sharing bicycle |
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| GB2266156B (en) * | 1989-10-13 | 1994-02-09 | Polar Pumps Limited | A support, handling and weighing frame for cylinders adapted to contain liquified gas |
| CN202806805U (en) * | 2012-07-12 | 2013-03-20 | 山东电力集团公司淄博供电公司 | Dedicated carrying device for sulfur hexafluoride (SF6) gas cylinders |
| CN202853726U (en) * | 2012-07-27 | 2013-04-03 | 中山佳维电子有限公司 | Control system of tiltable weighing electronic scale |
| CN104501922B (en) * | 2015-01-06 | 2016-08-24 | 山东西泰克仪器有限公司 | The electronic measurement of check weighing scale is weighed unit |
| CN206583510U (en) * | 2017-01-24 | 2017-10-24 | 广东省生物工程研究所（广州甘蔗糖业研究所） | A kind of two-dimentional Weighing device |
| CN206959969U (en) * | 2017-04-24 | 2018-02-02 | 成都一步共享科技有限公司 | A kind of Weight-detecting device for being used to share bicycle |
| CN107843321A (en) * | 2017-10-18 | 2018-03-27 | 河南工业大学 | Method for detecting quantity of stored grains in granary based on three-dimensional force sensor |
| KR20190062122A (en) * | 2017-11-27 | 2019-06-05 | 세종뉴텍 주식회사 | linear actuator system |
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| CN202294885U (en) * | 2011-09-22 | 2012-07-04 | 上海库伟金属科技有限公司 | Multifunctional handcart for industrial gas cylinder |
| CN106918385A (en) * | 2017-04-24 | 2017-07-04 | 成都步共享科技有限公司 | A kind of Weight-detecting device for sharing bicycle |
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