CN104990605A - Natural gas flow correction meter - Google Patents
Natural gas flow correction meter Download PDFInfo
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- CN104990605A CN104990605A CN201510406484.4A CN201510406484A CN104990605A CN 104990605 A CN104990605 A CN 104990605A CN 201510406484 A CN201510406484 A CN 201510406484A CN 104990605 A CN104990605 A CN 104990605A
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- microprocessor
- gas discharge
- correction instrument
- natural gas
- discharge correction
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Abstract
The invention discloses a natural gas flow correction meter comprising a micro processor and a differential pressure transmitter connected to an input end of the micro processor and further comprising a flow frequency detection module and a temperature sensor. Output ends of the flow frequency detection module and the temperature sensor are both connected to the input end of the micro processor; and an output end of the micro processor is further connected with an output module. The natural gas flow correction meter is simply structured; practical flow of a natural gas pipeline can be achieved under the uniform condition by combinations of a plurality of reference quantities.
Description
Technical field
The present invention relates to fluid-transferring pipe piece apparatus field, particularly relate to a kind of gas discharge correction instrument.
Background technology
Electronic type monitoring equipment is widely used in fluid delivery tube wire system, because it is compared to mechanical type metering outfit completely, can conveniently realize the advantages such as teletransmission, volume is little, plant maintenance is easy, be widely used in the daily life of people and commercial production: as city tap-water, gas distributing system system; Industrial fluids delivery line system etc.
The company of quantitative relation to each gas of rock gas, the personal economic interests of individual.Because rock gas is a kind of compressible fluid, the flowmeter itself as one-time detection instrument only can detect the gas volume amount under operating mode, cannot provide the gas volume amount under unified state, bring very large inconvenience to the Trade Measures of rock gas.In order to measure more accurately, must have a kind of can the temperature of on-line checkingi gas, pressure and flow signal, and carry out compressibility factor auto modification and flow automatic tracking and compensating.
Summary of the invention
For above-mentioned along with in order to measure more accurately, must have a kind of can the temperature of on-line checkingi gas, pressure and flow signal, and carry out the problem of compressibility factor auto modification and flow automatic tracking and compensating, the invention provides a kind of gas discharge correction instrument.
For the problems referred to above, a kind of gas discharge correction instrument provided by the invention reaches goal of the invention by following technical essential: a kind of gas discharge correction instrument, comprise microprocessor and be connected to the pressure difference transmitter on microprocessor input, also comprise traffic frequency detection module and temperature sensor, the output terminal of described traffic frequency detection module and temperature sensor is all connected on the input end of microprocessor, and the output terminal of described microprocessor is also connected with output module.
Concrete, the pressure difference transmitter arranged, traffic frequency detection module and temperature sensor are used for the temperature of pressure reduction in Monitoring Gas Pipeline, traffic frequency change and rock gas, above index is used for the input signal source of microprocessor, microprocessor is through obtaining the modified value of gas discharge to the comprehensive calculation process of above-mentioned three input signals, to detect the actual flow data of natural gas line more accurately, the output module of setting is used for the output of microprocessor processes result.
Further technical scheme is:
Computed information is exported in a variety of forms or directly using above-mentioned computed information as the signal source of such as flow rate adjusting mechanism, described output module comprises one or more in liquid crystal driver, pulse amplifier, D/A converter, RS-485 interface module for ease of the present invention.
For ease of the storage of raw data of the present invention, computed information or program, described microprocessor is also connected with storer.
Can the type of attachment of bi-directional data as storer and microprocessor, described storer and microprocessor are bi-directionally connected.
As the version that in case of emergency can realize early warning or warning, the output terminal of described microprocessor is also connected with alarm output module.
For ease of improving Modulatory character of the present invention, described microprocessor is also connected with input equipment, described input equipment comprises one or more in keyboard, mouse.
The present invention has following beneficial effect:
Structure of the present invention is simple, the pressure difference transmitter arranged, traffic frequency detection module and temperature sensor are used for the temperature of pressure reduction in Monitoring Gas Pipeline, traffic frequency change and rock gas, above index is used for the input signal source of microprocessor, microprocessor is through obtaining the modified value of gas discharge to the comprehensive calculation process of above-mentioned three input signals, to detect the actual flow data of natural gas line more accurately, the output module of setting is used for the output of microprocessor processes result.
Accompanying drawing explanation
Fig. 1 is the system topological figure of a kind of gas discharge correction instrument of the present invention specific embodiment.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As shown in Figure 1, a kind of gas discharge correction instrument, comprise microprocessor and be connected to the pressure difference transmitter on microprocessor input, also comprise traffic frequency detection module and temperature sensor, the output terminal of described traffic frequency detection module and temperature sensor is all connected on the input end of microprocessor, and the output terminal of described microprocessor is also connected with output module.
In the present embodiment, the pressure difference transmitter arranged, traffic frequency detection module and temperature sensor are used for the temperature of pressure reduction in Monitoring Gas Pipeline, traffic frequency change and rock gas, above index is used for the input signal source of microprocessor, microprocessor is through obtaining the modified value of gas discharge to the comprehensive calculation process of above-mentioned three input signals, to detect the actual flow data of natural gas line more accurately, the output module of setting is used for the output of microprocessor processes result.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1, computed information is exported in a variety of forms or directly using above-mentioned computed information as the signal source of such as flow rate adjusting mechanism, described output module comprises one or more in liquid crystal driver, pulse amplifier, D/A converter, RS-485 interface module for ease of the present invention.
For ease of the storage of raw data of the present invention, computed information or program, described microprocessor is also connected with storer.
Can the type of attachment of bi-directional data as storer and microprocessor, described storer and microprocessor are bi-directionally connected.
As the version that in case of emergency can realize early warning or warning, the output terminal of described microprocessor is also connected with alarm output module.
Implement 3:
The present embodiment is further qualified on the basis of any one technical scheme of any one embodiment above, as shown in Figure 1, for ease of improving Modulatory character of the present invention, described microprocessor is also connected with input equipment, described input equipment comprises one or more in keyboard, mouse.
Above content is the further description done the present invention in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (6)
1. a gas discharge correction instrument, comprise microprocessor and be connected to the pressure difference transmitter on microprocessor input, it is characterized in that, also comprise traffic frequency detection module and temperature sensor, the output terminal of described traffic frequency detection module and temperature sensor is all connected on the input end of microprocessor, and the output terminal of described microprocessor is also connected with output module.
2. a kind of gas discharge correction instrument according to claim 1, is characterized in that, described output module comprises one or more in liquid crystal driver, pulse amplifier, D/A converter, RS-485 interface module.
3. a kind of gas discharge correction instrument according to claim 1, is characterized in that, described microprocessor is also connected with storer.
4. a kind of gas discharge correction instrument according to claim 3, it is characterized in that, described storer and microprocessor are bi-directionally connected.
5. a kind of gas discharge correction instrument according to claim 1, is characterized in that, the output terminal of described microprocessor is also connected with alarm output module.
6. a kind of gas discharge correction instrument as claimed in any of claims 1 to 5, is characterized in that, described microprocessor is also connected with input equipment, and described input equipment comprises one or more in keyboard, mouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510406484.4A CN104990605A (en) | 2015-07-13 | 2015-07-13 | Natural gas flow correction meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510406484.4A CN104990605A (en) | 2015-07-13 | 2015-07-13 | Natural gas flow correction meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104990605A true CN104990605A (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510406484.4A Pending CN104990605A (en) | 2015-07-13 | 2015-07-13 | Natural gas flow correction meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104990605A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672625Y (en) * | 2003-12-24 | 2005-01-19 | 江阴长江斯菲尔电力仪表有限公司 | Multifunction flow integrating regulating instrument |
| US20080221822A1 (en) * | 2004-08-13 | 2008-09-11 | Marc Laverdiere | System and Method for Calibration of a Flow Device |
| CN102072754A (en) * | 2009-11-19 | 2011-05-25 | 上海飞奥燃气设备有限公司 | Wireless communication method for volume correction instrument |
| CN104266690A (en) * | 2014-10-11 | 2015-01-07 | 杭州冠一流体技术有限公司 | Integrating instrument circuit of differential pressure flowmeter |
| CN204115801U (en) * | 2014-10-24 | 2015-01-21 | 天津天保热电有限公司 | A kind of universal flow integrating instrument of adaptive various flow rate sensor |
-
2015
- 2015-07-13 CN CN201510406484.4A patent/CN104990605A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672625Y (en) * | 2003-12-24 | 2005-01-19 | 江阴长江斯菲尔电力仪表有限公司 | Multifunction flow integrating regulating instrument |
| US20080221822A1 (en) * | 2004-08-13 | 2008-09-11 | Marc Laverdiere | System and Method for Calibration of a Flow Device |
| CN102072754A (en) * | 2009-11-19 | 2011-05-25 | 上海飞奥燃气设备有限公司 | Wireless communication method for volume correction instrument |
| CN104266690A (en) * | 2014-10-11 | 2015-01-07 | 杭州冠一流体技术有限公司 | Integrating instrument circuit of differential pressure flowmeter |
| CN204115801U (en) * | 2014-10-24 | 2015-01-21 | 天津天保热电有限公司 | A kind of universal flow integrating instrument of adaptive various flow rate sensor |
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Application publication date: 20151021 |
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| RJ01 | Rejection of invention patent application after publication |