CN214173502U - Gas flowmeter calibrating device capable of dynamically compensating temperature change in real time - Google Patents
Gas flowmeter calibrating device capable of dynamically compensating temperature change in real time Download PDFInfo
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- CN214173502U CN214173502U CN202120442608.5U CN202120442608U CN214173502U CN 214173502 U CN214173502 U CN 214173502U CN 202120442608 U CN202120442608 U CN 202120442608U CN 214173502 U CN214173502 U CN 214173502U
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Abstract
The utility model provides a gas flowmeter calibrating device for real-time dynamic compensation of temperature change, which comprises a center main body, wherein a liquid inlet channel is arranged on the center main body, one end of the center main body is fixedly provided with a pressure sensor, the other end of the center main body is fixedly provided with a directional sleeve, a standard metal sphere is arranged inside the directional sleeve channel, one end of the directional sleeve, which is far away from the center main body, is provided with a piston, the side wall of the center main body is fixedly provided with an adjusting button, the lower end of the center main body is fixedly provided with a temperature sensor, and the peripheries of the center main body and the directional sleeve are sleeved with a shell; the utility model discloses a weighing method measurement is flowed through and is examined flow meter liquid volume, no matter how the temperature changes, and the measured liquid weight can not change, and examination result is not influenced by the temperature, need not to consider the revised value of any temperature, can not only satisfy the examination requirement completely, and actual measurement system is stable moreover, the degree of accuracy is higher.
Description
Technical Field
The utility model relates to a flowmeter application especially relates to a gas flowmeter calibrating installation of real-time dynamic compensation temperature variation.
Background
In a process control environment, it is advantageous to monitor the amount of fluid flowing through a plurality of pipes in a process system. Various techniques have been developed to measure flow, including, for example, mechanical flow meters, pressure-based flow meters, optical flow meters, vortex flow meters, electromagnetic flow meters, ultrasonic flow meters, and coriolis flow meters.
In the existing flowmeter volumetric method detection, the volume V of liquid in a standard measuring tank is firstly detected, and then a mercury thermometer or a digital display thermometer is used for measuring the temperature, because the liquid temperature is inconsistent with the temperature of the tank body and the ambient temperature, the temperature can be slowly changed in the measuring process, the temperature needs to be continuously corrected, and a standard metal vessel is used as a volume standard device, so that the measuring error is large due to the influence of the ambient temperature caused by factors such as expansion with heat and contraction with cold.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a gas flowmeter calibrating device for real-time dynamic compensation of temperature change, which comprises a central main body 1, wherein a liquid inlet channel 2 is arranged on the central main body 1, a pressure sensor 3 is fixedly arranged at one end of the central main body 1, a directional sleeve 4 is fixedly arranged at the other end of the central main body 1, a standard metal sphere 5 is arranged in the channel of the directional sleeve 4, a piston 6 is arranged at one end of the directional sleeve 4 far away from the central main body 1,
an adjusting button 7 is fixedly arranged on the side wall of the central main body 1, a temperature sensor 8 is fixedly arranged at the lower end of the central main body 1,
the outer casing 9 is sleeved on the peripheries of the central main body 1 and the directional sleeve 4.
Preferably, the central axis of the liquid inlet channel 2 coincides with the central axis of the channel of the directional sleeve 4.
Preferably, the diameter of the inner hole of the directional sleeve 4 is larger than that of the liquid inlet channel 2, and the diameter of the inner hole of the directional sleeve 4 is gradually increased from left to right.
Preferably, the central body 1 is sleeved with a sealing ring 10, and the sealing ring 10 is located at the joint of the central body 1 and the orienting sleeve 4.
Preferably, the pressure sensor 3 is mounted with the central body 1 by interference fit.
Preferably, the outer side wall of the adjusting button 7 is provided with anti-skid grains.
The utility model has the advantages that:
the volume of the liquid flowing through the detected flowmeter is measured by adopting a weighing method, the weight of the detected liquid does not change no matter how the temperature changes, the detection result is not influenced by the temperature, any temperature correction value does not need to be considered, the detection requirement can be completely met, and the actual measurement system is stable and has higher accuracy.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a central body; 2. a liquid inlet channel; 3. a pressure sensor; 4. an orienting sleeve; 5. a standard metal sphere; 6. a piston; 7. an adjustment button; 8. a temperature sensor; 9. a housing; 10. and (5) sealing rings.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
As shown in fig. 1-2, the present invention comprises: the liquid inlet channel 2 is arranged on the central main body 1, the pressure sensor 3 is fixedly arranged at one end of the central main body 1, the directional sleeve 4 is fixedly arranged at the other end of the central main body 1, the standard metal ball 5 is arranged in the channel of the directional sleeve 4, the piston 6 is arranged at one end of the directional sleeve 4, which is far away from the central main body 1,
an adjusting button 7 is fixedly arranged on the side wall of the central main body 1, a temperature sensor 8 is fixedly arranged at the lower end of the central main body 1,
the outer casing 9 is sleeved on the peripheries of the central main body 1 and the directional sleeve 4.
In this embodiment, it is preferred that the central axis of the inlet channel 2 coincides with the central axis of the channel of the directional sleeve 4.
In the present embodiment, it is preferable that the inner diameter of the directional sleeve 4 is larger than that of the liquid inlet passage 2, and the inner diameter of the directional sleeve 4 becomes larger from left to right.
In this embodiment, a sealing ring 10 is preferably fitted on the central body 1, and the sealing ring 10 is located at the junction of the central body 1 and the orienting sleeve 4.
In this embodiment, the pressure sensor 3 is preferably mounted to the center body 1 by interference fit.
In this embodiment, preferably, the outer side wall of the adjusting button 7 is provided with anti-slip lines.
When the device is used, the volume of liquid flowing through the detected flowmeter is measured by adopting a weighing method, the weight of the detected liquid cannot change no matter how the temperature changes, the detection result is not influenced by the temperature, any temperature correction value does not need to be considered, the detection requirement can be completely met, and the actual measurement system is stable and has higher accuracy.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (6)
1. The gas flowmeter calibrating device capable of dynamically compensating temperature change in real time is characterized by comprising a central body (1), wherein a liquid inlet channel (2) is formed in the central body (1), a pressure sensor (3) is fixedly mounted at one end of the central body (1), a directional sleeve (4) is fixedly mounted at the other end of the central body (1), a standard metal ball body (5) is arranged inside a channel of the directional sleeve (4), a piston (6) is arranged at one end, far away from the central body (1), of the directional sleeve (4),
an adjusting button (7) is fixedly arranged on the side wall of the central main body (1), a temperature sensor (8) is fixedly arranged at the lower end of the central main body (1),
and the outer peripheries of the central main body (1) and the directional sleeve (4) are sleeved with a shell (9).
2. A gas flow meter verification device that dynamically compensates for temperature changes in real time as claimed in claim 1 wherein: the central axis of the liquid inlet channel (2) coincides with the central axis of the channel of the directional sleeve (4).
3. A gas flow meter verification device that dynamically compensates for temperature changes in real time as claimed in claim 2 wherein: the diameter of the inner hole of the directional sleeve (4) is larger than that of the liquid inlet channel (2), and the diameter of the inner hole of the directional sleeve (4) is gradually increased from left to right.
4. A gas flow meter verification device that dynamically compensates for temperature changes in real time as claimed in claim 3 wherein: the sealing ring (10) is sleeved on the central main body (1), and the sealing ring (10) is located at the joint of the central main body (1) and the directional sleeve (4).
5. The real-time dynamic temperature change compensated gas flow meter verification device of claim 4, wherein: the pressure sensor (3) and the central main body (1) are installed in an interference fit mode.
6. A gas flow meter verification device that dynamically compensates for temperature changes in real time as claimed in claim 1 wherein: the outer side wall of the adjusting button (7) is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120442608.5U CN214173502U (en) | 2021-03-01 | 2021-03-01 | Gas flowmeter calibrating device capable of dynamically compensating temperature change in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120442608.5U CN214173502U (en) | 2021-03-01 | 2021-03-01 | Gas flowmeter calibrating device capable of dynamically compensating temperature change in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214173502U true CN214173502U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120442608.5U Active CN214173502U (en) | 2021-03-01 | 2021-03-01 | Gas flowmeter calibrating device capable of dynamically compensating temperature change in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214173502U (en) |
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2021
- 2021-03-01 CN CN202120442608.5U patent/CN214173502U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230830 Address after: 124000 room 509, 5 / F, science and technology incubator, high tech Industrial Development Zone, No. 30, Xingye street, Xinglongtai District, Panjin City, Liaoning Province Patentee after: PANJIN HONGKANG TECHNOLOGY Co.,Ltd. Address before: 214000 No. 7, Taiyun Road, Wuxi Economic Development Zone, Jiangsu Province Patentee before: Wuxi Youliang Intelligent Flow Meter Co.,Ltd. |