CN202511858U - Device for measuring sulfur hexafluoride gas mass - Google Patents
Device for measuring sulfur hexafluoride gas mass Download PDFInfo
- Publication number
- CN202511858U CN202511858U CN2012201695767U CN201220169576U CN202511858U CN 202511858 U CN202511858 U CN 202511858U CN 2012201695767 U CN2012201695767 U CN 2012201695767U CN 201220169576 U CN201220169576 U CN 201220169576U CN 202511858 U CN202511858 U CN 202511858U
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- Prior art keywords
- sulfur hexafluoride
- hexafluoride gas
- gas mass
- metrology device
- arithmetic element
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a device for measuring the sulfur hexafluoride gas mass. The device comprises a pressure sensor, a flow measuring unit, a temperature sensor, a calculation unit and a displayer, wherein the pressure sensor, the flow measuring unit and the temperature sensor are arranged in a breather pipe and connected with the pressure sensor which is connected with the displayer. According to the device for measuring the sulfur hexafluoride gas mass, the pressure sensor, the flow measuring unit and the temperature sensor are used for measuring pressure, flow and temperature data of the sulfur hexafluoride gas flowing through the breather pipe respectively, the calculation unit calculates the mass of the sulfur hexafluoride gas flowing through the breather pipe, and the displayer displays the measured data in real time. The device for measuring the sulfur hexafluoride gas mass is high in measuring accuracy and the degree of automation, convenient to use and easy to carry.
Description
Technical field
The utility model relates to WT-MSR, particularly relates to a kind of sulfur hexafluoride gas mass metrology device.
Background technology
Sulfur hexafluoride gas, need measure the gas that uses when filling with make-up gas to equipment as the insulation and the arc-extinguishing medium that are widely used in high voltage electric equipment.
Traditional way generally is to use the method for weighing that the quality of sulfur hexafluoride gas is measured; Liquid mode is stored because sulfur hexafluoride is a steel cylinder; Need steel cylinder be lifted when weighing and be put on the scale pound; It is loaded down with trivial details to require great effort, and this metering method error is big, can't realize the quality of sulfur hexafluoride gas is accurately measured.
The utility model content
Based on this, be necessary to traditional metering method error greatly, can't realize problem that the quality of sulfur hexafluoride gas is accurately measured a kind of sulfur hexafluoride gas mass metrology device being provided.
A kind of sulfur hexafluoride gas mass metrology device comprises:
Be located at pressure transducer, flow measuring probe and temperature sensor in the snorkel, the arithmetic element that is connected with said pressure transducer, flow measuring probe, temperature sensor respectively, and the display that is connected with said arithmetic element.
Above-mentioned sulfur hexafluoride gas mass metrology device, the pressure, flow and the temperature data that utilize pressure transducer, flow measuring probe and temperature sensor to measure respectively to flow through snorkel, by arithmetic element according to above-mentioned data; Accurately calculate the sulfur hexafluoride gas quality that flows through snorkel; Show in real time that through the data of display with metering measuring accuracy is high simultaneously, automaticity is high; Easy to use, be easy to carry about with one.
Among embodiment, also comprise the storer that is connected with said arithmetic element therein; Realization is to the record of inflation data.
Among embodiment, also comprise the USB interface that is connected with said storer therein; Realize carrying out data interaction with the outside.
Among embodiment, also comprise the keyboard that is connected with said arithmetic element therein; Realize the function of man-machine interaction.
Among embodiment, also comprise the analog to digital converter that is connected between said pressure transducer, flow measuring probe, temperature sensor and the said arithmetic element therein;
The output terminal of said pressure transducer, flow measuring probe, temperature sensor is connected with the input end of said analog to digital converter, and the output terminal of said analog to digital converter is connected with said arithmetic element;
Through analog to digital converter, realize that measurement data becomes digital signal by analog signal conversion.
Among embodiment, said arithmetic element comprises the microprocessor that is used to carry out floating-point operation therein; Through carrying out Floating-point Computation, can obtain higher precision.
Among embodiment, said display is a LCD therein; LCD can high bright demonstration, and the consumption point is few.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the utility model sulfur hexafluoride gas mass metrology device;
Fig. 2 is the structural representation of the preferred embodiment of the utility model sulfur hexafluoride gas mass metrology device;
The synoptic diagram that connects steel cylinder and high-tension apparatus when Fig. 3 is measuring of sulfur hexafluoride gas mass metrology device.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model sulfur hexafluoride gas mass metrology device is described in detail.
As shown in Figure 1; Fig. 1 is the structural representation of the embodiment of the utility model sulfur hexafluoride gas mass metrology device; Comprise: be located at pressure transducer 01, flow measuring probe 02 and temperature sensor 03 in the snorkel; The arithmetic element 04 that is connected with said pressure transducer 01, flow measuring probe 02, temperature sensor 03 respectively, and the display 05 that is connected with said arithmetic element 04.
Set forth the preferred embodiment of the utility model sulfur hexafluoride gas mass metrology device below in conjunction with accompanying drawing.
As shown in Figure 2, Fig. 2 is the structural representation of the preferred embodiment of the utility model sulfur hexafluoride gas mass metrology device.
Preferably, the utility model sulfur hexafluoride gas mass metrology device also comprises the storer 06 that is connected with said arithmetic element 04; Realization is to the record of inflation data.
Preferably, the utility model sulfur hexafluoride gas mass metrology device also comprises the USB interface 07 that is connected with said storer 06; Realize carrying out data interaction with the outside.
Preferably, the utility model sulfur hexafluoride gas mass metrology device also comprises the keyboard 08 that is connected with said arithmetic element 04; The user can input operation information through keyboard 08, realizes the function of man-machine interaction.
Therein among embodiment, the utility model sulfur hexafluoride gas mass metrology device also comprises the analog to digital converter 09 that is connected between said pressure transducer 01, flow measuring probe 02, temperature sensor 03 and the said arithmetic element 04.
Wherein, the output terminal of said pressure transducer 01, flow measuring probe 02, temperature sensor 03 is connected with the input end of said analog to digital converter 09, and the output terminal of said analog to digital converter 09 is connected with said arithmetic element 04.
Through analog to digital converter 09, realize that measurement data becomes digital signal by analog signal conversion.
Preferably, said arithmetic element 04 comprises the microprocessor that is used to carry out floating-point operation; Carry out Floating-point Computation, can obtain higher precision.
Preferably, said display 05 is a LCD 05; LCD 05 can high bright demonstration, and the consumption point is few.
As an embodiment, arithmetic element 04 is calculated the process of the quality of sulfur hexafluoride gas according to pressure transducer 01, flow measuring probe 02, temperature sensor 03 data measured, specifically comprises as follows:
P＝0.57×10
-4×ρ(1+B)-ρ
2A.......(1)
A＝0.75×10
-4(1-0.727×10
-3ρ)......(2)
B＝2.51×10
-3ρ(1-0.846×10
-3ρ)......(3)
In the above-mentioned formula, formula (1) is a sulfur hexafluoride gas state parameter equation, and P is a pressure, units MPa, and t is a temperature, unit K; ρ is a density, units/m3.
According to above-mentioned formula (1), (2), (3), P that substitution measures and t can calculate ρ, and the measured value of ρ and flow measuring probe 02 is carried out integration, can obtain flowing through the quality of the sulfur hexafluoride gas in the snorkel.
The utility model sulfur hexafluoride gas mass metrology device; The density that takes into full account sulfur hexafluoride is the gas with pressure, temperature variation; By pressure transducer 01, temperature sensor 03 and pressure, the temperature of flow measuring probe 02 real-time measurement gas and the gas flow of the snorkel of flowing through, use the quality that integral way accurately calculates gas by arithmetic element 04.
As an embodiment, the sulfur hexafluoride gas mass metrology device of the utility model adopts aluminum alloy casing, and panel is provided with liquid crystal display, function button, and snorkel adopts the sealing adaptor of DN8.
The sulfur hexafluoride gas mass metrology device of the utility model, measuring accuracy is high, and automaticity is high; Easy to use, be easy to carry about with one, as shown in Figure 3; Fig. 3 connects the synoptic diagram of steel cylinder and high-tension apparatus when being the measuring of sulfur hexafluoride gas mass metrology device of an embodiment; Can know that by figure sulfur hexafluoride gas mass metrology device 31 is connected on the snorkel 34 between steel cylinder 32 (storage sulfur hexafluoride gas) and the primary cut-out 33, can measure automatically after the valve 321 of opening steel cylinder 32 is inflated; The qualitative data that shows metering in real time shows pressure, the temperature data of measuring simultaneously in real time.
The above embodiment has only expressed several kinds of embodiments of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model patent should be as the criterion with accompanying claims.
Claims (7)
1. a sulfur hexafluoride gas mass metrology device is characterized in that, comprising:
Be located at pressure transducer, flow measuring probe and temperature sensor in the snorkel, the arithmetic element that is connected with said pressure transducer, flow measuring probe, temperature sensor respectively, and the display that is connected with said arithmetic element.
2. sulfur hexafluoride gas mass metrology device according to claim 1 is characterized in that, also comprises the storer that is connected with said arithmetic element.
3. sulfur hexafluoride gas mass metrology device according to claim 2 is characterized in that, also comprises the USB interface that is connected with said storer.
4. sulfur hexafluoride gas mass metrology device according to claim 1 is characterized in that, also comprises the keyboard that is connected with said arithmetic element.
5. sulfur hexafluoride gas mass metrology device according to claim 1 is characterized in that, also comprises the analog to digital converter that is connected between said pressure transducer, flow measuring probe, temperature sensor and the said arithmetic element;
The output terminal of said pressure transducer, flow measuring probe, temperature sensor is connected with the input end of said analog to digital converter, and the output terminal of said analog to digital converter is connected with said arithmetic element.
6. sulfur hexafluoride gas mass metrology device according to claim 1 is characterized in that said arithmetic element comprises the microprocessor that is used to carry out floating-point operation.
7. sulfur hexafluoride gas mass metrology device according to claim 1 is characterized in that said display is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201695767U CN202511858U (en) | 2012-04-19 | 2012-04-19 | Device for measuring sulfur hexafluoride gas mass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201695767U CN202511858U (en) | 2012-04-19 | 2012-04-19 | Device for measuring sulfur hexafluoride gas mass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202511858U true CN202511858U (en) | 2012-10-31 |
Family
ID=47064337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201695767U Expired - Lifetime CN202511858U (en) | 2012-04-19 | 2012-04-19 | Device for measuring sulfur hexafluoride gas mass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202511858U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697616A (en) * | 2015-04-03 | 2015-06-10 | 武汉一冶钢结构有限责任公司 | Industrial fuel gas quality measurement device and method based on LabVIEW |
| CN112611439A (en) * | 2020-12-03 | 2021-04-06 | 河南省日立信股份有限公司 | Device and method for measuring weight of sulfur hexafluoride gas |
| CN114397224A (en) * | 2021-12-09 | 2022-04-26 | 河南省日立信股份有限公司 | Sulfur hexafluoride gas recovery rate measuring device and measuring method |
-
2012
- 2012-04-19 CN CN2012201695767U patent/CN202511858U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697616A (en) * | 2015-04-03 | 2015-06-10 | 武汉一冶钢结构有限责任公司 | Industrial fuel gas quality measurement device and method based on LabVIEW |
| CN112611439A (en) * | 2020-12-03 | 2021-04-06 | 河南省日立信股份有限公司 | Device and method for measuring weight of sulfur hexafluoride gas |
| CN112611439B (en) * | 2020-12-03 | 2022-02-11 | 河南省日立信股份有限公司 | Device and method for measuring weight of sulfur hexafluoride gas |
| CN114397224A (en) * | 2021-12-09 | 2022-04-26 | 河南省日立信股份有限公司 | Sulfur hexafluoride gas recovery rate measuring device and measuring method |
| CN114397224B (en) * | 2021-12-09 | 2024-05-14 | 河南省日立信股份有限公司 | Sulfur hexafluoride gas recovery rate measuring device and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |