CN212779674U - Natural gas calorific value calculation device and natural gas calorific value calculation system - Google Patents
Natural gas calorific value calculation device and natural gas calorific value calculation system Download PDFInfo
- Publication number
- CN212779674U CN212779674U CN202021841213.4U CN202021841213U CN212779674U CN 212779674 U CN212779674 U CN 212779674U CN 202021841213 U CN202021841213 U CN 202021841213U CN 212779674 U CN212779674 U CN 212779674U
- Authority
- CN
- China
- Prior art keywords
- natural gas
- calorific value
- value calculation
- real
- value
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measuring Volume Flow (AREA)
Abstract
The embodiment of the utility model provides a natural gas calorific value computing device and natural gas calorific value computing system has solved among the prior art turbine flowmeter, but turbine flowmeter does not possess calorific value calculation function, does not have the technical problem who calculates the function of calorific value according to the algorithm of natural gas component yet. The embodiment of the utility model provides a natural gas calorific value computing device possesses the calorific value calculation function, consequently when installing natural gas calorific value computing device on turbine flowmeter, can make this turbine flowmeter possess the calorific value calculation function, the technical problem that turbine flowmeter does not possess the calorific value calculation function among the prior art has been overcome, and because natural gas calorific value computing device is an independent whole, therefore, thereby when reforming transform the turbine flowmeter among the prior art and make turbine flowmeter possess the calorific value calculation function, need not to carry out the major transformation to turbine flowmeter, the transformation complexity of turbine flowmeter has been reduced.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a natural gas measurement technical field especially relates to a natural gas calorific value computing device and natural gas calorific value computing system.
[ background of the invention ]
Natural gas is taken as a high-quality, high-efficiency and clean energy source and an important chemical raw material, is generally regarded and preferentially utilized in all countries of the world, and accounts for 35 percent in an energy structure. China is one of countries with abundant natural gas resources, but the utilization of natural gas is seriously lagged, the development of the natural gas industry has great potential, and particularly, the construction of the west-east gas transportation project necessarily generates strong driving force for the coordinated development of economy, society and environment of China.
At present, the natural gas metering mode commonly adopted in China is volume metering, but in the large-scale natural gas handover metering process, because the natural gas components in various regions are different and the gas quality is fluctuated, the natural gas heating amount is different, so the traditional volume metering mode is obvious and not scientific, unfair, and the actual natural gas consumption can not be accurately metered, and the metering and charging of the natural gas are not reasonable.
The flow meters widely used for measuring natural gas energy internationally are mainly standard orifice plate flow meters and turbine flow meters, but the turbine flow meters do not have a heat value calculation function, do not have a function of calculating a heat value according to an algorithm of natural gas components, and cannot meet the calculation requirement of double-precision floating point numbers.
[ Utility model ] content
In view of this, the embodiment of the utility model provides a natural gas calorific value accounting device and natural gas calorific value accounting system has solved among the prior art turbine flowmeter, but turbine flowmeter does not possess the calorific value calculation function, does not have the technical problem who calculates the function of calorific value according to the algorithm of natural gas component yet.
As a first aspect of the utility model, the embodiment of the utility model provides a natural gas calorific value calculating device for the calorific value of natural gas is calculated according to the real-time data of natural gas instrument, and with calorific value transmission to the host computer, wherein, natural gas calorific value calculating device includes: a housing; and a control circuit board disposed within the housing; wherein, the control circuit board includes: the data acquisition unit is used for acquiring real-time data of the natural gas measured by the natural gas instrument; a calculation unit for calculating a first heating value of the natural gas from the real-time data; and the sending unit is used for sending the first heat value and the real-time data to an upper computer.
The utility model discloses an embodiment, natural gas calorific value accounting device still includes:
the test tube is communicated with the natural gas pipeline; and
the natural gas component writing terminal is arranged on one side of the test tube and used for detecting components of natural gas in the natural gas pipeline and calculating a second heat value of the natural gas according to the components of the natural gas;
the natural gas component writing terminal is in communication connection with the sending unit, the natural gas component writing terminal transmits the second heat value of the natural gas to the sending unit, and the sending unit sends the second heat value to the upper computer.
In an embodiment of the present invention, the control circuit board further includes:
the data processing unit is in communication connection with the computing unit and the natural gas component writing terminal;
wherein the data processing unit is configured to calculate an average of the first thermal value and the second thermal value based on the first thermal value and the second thermal value; the average value is the heating value of the natural gas;
the data processing unit is further configured to send the average value to the sending unit.
In an embodiment of the present invention, the control circuit board further includes:
the judging unit is in communication connection with the data processing unit and the sending unit; the judging unit is used for judging whether the absolute value of the difference between the first heat value and the average value is larger than a preset value or not;
when the absolute value of the difference between the first heating value and the average value is less than or equal to a preset value, the average value is the heating value of the natural gas; and transmits the average value to a transmission unit.
In an embodiment of the present invention, the control panel further includes:
the control unit is in communication connection with the judging unit, the calculating unit and the natural gas component writing terminal respectively;
when the absolute value of the difference between the first heat value and the average value is larger than a preset value, a judgment result is generated by a judgment unit and is transmitted to a control unit;
the control unit is used for generating a first control instruction and a second control instruction according to the judgment result and transmitting the first control instruction to the calculation unit, and the first control instruction is used for instructing the calculation unit to recalculate the first heat value of the natural gas; and transmitting the second control instruction to the natural gas component writing terminal, wherein the second control instruction is used for instructing the natural gas component writing terminal to detect the components of the natural gas in the natural gas pipeline again, and recalculating the second heat value of the natural gas according to the components of the natural gas.
In an embodiment of the present invention, the natural gas meter includes:
the flow sensor is used for detecting the flow of natural gas in the natural gas pipeline;
the pressure sensor is used for detecting the pressure of natural gas in the natural gas pipeline; and
and the temperature sensor is used for detecting the temperature of the natural gas in the natural gas pipeline.
In an embodiment of the invention, the real-time data includes a real-time flow of the natural gas, a real-time pressure of the natural gas and a real-time temperature of the natural gas.
The utility model relates to an embodiment, the data acquisition unit with the natural gas instrument passes through RS485 communication interface and realizes the communication connection.
The utility model relates to an embodiment, the sending unit with the host computer passes through RS485 communication interface and realizes the communication connection.
As a second aspect of the present invention, the embodiment of the present invention provides a natural gas calorific value calculation system, include:
the natural gas instrument is arranged in the shell and used for acquiring real-time data of natural gas;
an upper computer; and
the natural gas heat value calculation device is in communication connection with the natural gas instrument and the upper computer, and calculates the heat value of the natural gas according to the real-time data of the natural gas pipeline and transmits the heat value to the upper computer;
wherein the structure of the natural gas heat value calculation device adopts the structure of the natural gas heat value calculation device as described above.
The embodiment of the utility model provides a natural gas calorific value calculating device for the calorific value of calculating the natural gas according to the real-time data of natural gas instrument, and transmit the calorific value to the host computer. The natural gas calorific value calculating device has a calorific value calculating function, and therefore when the natural gas calorific value calculating device is installed on the turbine flowmeter, the turbine flowmeter can have the calorific value calculating function, the technical problem that the turbine flowmeter does not have the calorific value calculating function in the prior art is solved, and because the natural gas calorific value calculating device is an independent whole, therefore, when the turbine flowmeter in the prior art is transformed to enable the turbine flowmeter to have the calorific value calculating function, the turbine flowmeter does not need to be greatly transformed, and the transformation complexity of the turbine flowmeter is reduced.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a natural gas calorific value calculation apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control circuit board in a natural gas calorific value calculation apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control circuit board in a natural gas calorific value calculation apparatus according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control circuit board in a natural gas calorific value calculation apparatus according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a control circuit board in a natural gas calorific value calculation apparatus according to another embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Fig. 1 shows that the utility model discloses a natural gas calorific value computing device's that embodiment provided structural schematic diagram, as shown in fig. 1, this natural gas calorific value computing device for the calorific value of natural gas is calculated according to the real-time data of the natural gas instrument of setting at the natural gas pipeline mouth, and transmits the calorific value to the host computer, thereby makes the real-time calorific value of natural gas show on the natural gas instrument. Wherein, this natural gas calorific value accounting device includes: a housing 1; and a control circuit board 2 disposed within the housing 1; as shown in fig. 2, the circuit board 2 includes: the data acquisition unit 21 is used for acquiring real-time data of the natural gas measured by the natural gas instrument; the calculating unit 22, wherein the calculating unit 22 is used for calculating a first heat value of the natural gas according to the real-time data; and the sending unit 23 is used for sending the first heat value and the real-time data to the upper computer, so that the real-time heat value of the natural gas is displayed on the natural gas instrument.
The embodiment of the utility model provides a natural gas calorific value calculating device for the calorific value of calculating the natural gas according to the real-time data of natural gas instrument, and transmit the calorific value to the host computer. The natural gas calorific value calculating device has a calorific value calculating function, and therefore when the natural gas calorific value calculating device is installed on the turbine flowmeter, the turbine flowmeter can have the calorific value calculating function, the technical problem that the turbine flowmeter does not have the calorific value calculating function in the prior art is solved, and because the natural gas calorific value calculating device is an independent whole, therefore, when the turbine flowmeter in the prior art is transformed to enable the turbine flowmeter to have the calorific value calculating function, the turbine flowmeter does not need to be greatly transformed, and the transformation complexity of the turbine flowmeter is reduced.
In the embodiment of the present invention, as shown in fig. 3, the natural gas calorific value calculation apparatus further includes:
the testing device comprises a testing tube 3 and a natural gas component writing terminal 4 arranged on one side of the testing tube 3, wherein the testing tube 3 is arranged in a shell 1 and can be arranged along the inner wall of the shell 1; the test tube 3 is communicated with a natural gas pipeline; the natural gas component writing terminal 4 is used for detecting components of natural gas in the natural gas pipeline and calculating a second heat value of the natural gas according to the components of the natural gas; namely, the embodiment of the utility model provides a can utilize the component of natural gas to carry out the calculation of calorific value.
The natural gas component writing terminal 4 is in communication connection with the sending unit 23, the natural gas component writing terminal 4 transmits the second heat value of the natural gas to the sending unit 23, and the sending unit 23 sends the second heat value to the upper computer, so that the real-time heat value of the natural gas is displayed on a natural gas instrument.
No matter calculate the calorific value of natural gas through real-time data, still calculate the calorific value of natural gas through the component of natural gas, all can increase the degree of accuracy of natural gas calorific value, consequently, in order to calculate the natural gas calorific value further accurately, in another embodiment of the utility model, as shown in fig. 4, circuit board 2 still includes:
the data processing unit 24, the data processing unit 24 is connected with the calculating unit 22 and the natural gas component writing terminal 4 in a communication way;
wherein the data processing unit 24 is configured to calculate an average of the first heat value and the second heat value based on the first heat value and the second heat value; the average value is the heat value of the natural gas;
the data processing unit 24 is also arranged to send the average value to the sending unit 23.
That is, the first heating value calculated by performing data calculation is averaged with the second heating value calculated by the composition of the natural gas, and then the average value is taken as the heating value of the natural gas, whereby the calculation accuracy of the heating value of the natural gas can be increased.
When natural gas calorific value calculation device both can calculate the calorific value through the real-time data of natural gas, can also calculate the calorific value through the component of natural gas, at the in-process of calculation, it can be inevitable that a mode appears calculating unusually, consequently, in order to reduce the unusual probability of calorific value calculation the utility model discloses an embodiment, as shown in fig. 5, circuit board 2 still includes:
a judging unit 25, wherein the judging unit 25 is connected with the data processing unit 24 and the transmitting unit 23 in a communication way; the judging unit 25 is configured to judge whether an absolute value of a difference between the first heat value and the average value is greater than a preset value;
when the absolute value of the difference between the first heat value and the average value is less than or equal to a preset value, the average value is the heat value of the natural gas; and transmits the average value to the transmission unit 23.
That is, when the absolute value of the difference between the first heating value and the average value and the second heating value is less than or equal to the preset value, it is indicated that the first heating value and the second heating value are less likely to be abnormal in calculation, and therefore, the average value can be taken as the heating value of the natural gas.
When the absolute value of the difference between the first calorific value and the average value is greater than the preset value, that indicates that it is very likely that one or both of the first calorific value and the second calorific value are abnormal, therefore, in order to further improve the calculation accuracy of the natural gas calorific value, in another embodiment of the present invention, as shown in fig. 5, the control panel further includes:
the control unit 26, the control unit 26 is respectively connected with the judging unit 25, the calculating unit 22 and the natural gas component writing terminal 4 in a communication way;
when the absolute value of the difference between the first calorific value and the average value is greater than a preset value, the judgment unit 25 generates a judgment result and transmits the judgment result to the control unit 26;
the control unit 26 is configured to generate a first control instruction and a second control instruction according to the determination result, and transmit the first control instruction to the calculation unit 22, where the first control instruction is used to instruct the calculation unit 22 to recalculate the first calorific value of the natural gas; and transmitting a second control instruction to the natural gas component writing terminal 4, wherein the second control instruction is used for instructing the natural gas component writing terminal 4 to re-detect the components of the natural gas in the natural gas pipeline and re-calculate the second heat value of the natural gas according to the components of the natural gas.
That is, when one or both of the first heating value and the second heating value are abnormal, the natural gas heating value calculation device recalculates the first heating value of the natural gas through real-time data, and also recalculates the second heating value of the natural gas through the components of the natural gas until the absolute value of the difference between the first heating value and the average value is less than or equal to the preset value, so that the calculation accuracy of the heating value of the natural gas is further improved.
Optionally, the natural gas meter comprises: the flow sensor is used for detecting the flow of natural gas in the natural gas pipeline; the pressure sensor is used for detecting the pressure of natural gas in the natural gas pipeline; and the temperature sensor is used for detecting the temperature of the natural gas in the natural gas pipeline, and at the moment, the real-time data comprises the real-time flow of the natural gas, the real-time pressure of the natural gas and the real-time temperature of the natural gas.
Optionally, the data acquisition unit 21 is in communication connection with the natural gas meter through an RS485 communication interface. The sending unit 23 is in communication connection with the upper computer through an RS485 communication interface. The natural gas calorific value calculation device can be compatible with the vortex flowmeter in communication, and the complexity of communication setting is reduced.
As a second aspect of the present invention, the embodiment of the present invention provides a natural gas calorific value calculation system, include:
the natural gas instrument is arranged in the shell 1 and used for acquiring real-time data of natural gas;
an upper computer; and
the natural gas heat value calculation device is in communication connection with the natural gas instrument and the upper computer, calculates the heat value of the natural gas according to real-time data of the natural gas pipeline and transmits the heat value to the upper computer;
the structure of the natural gas heat value calculating device adopts the structure of the natural gas heat value calculating device.
The embodiment of the utility model provides a natural gas calorific value computing system, including natural gas calorific value computing device, thereby make natural gas calorific value computing system possess the calorific value calculation function, the technical problem that turbine flowmeter does not possess the calorific value calculation function among the prior art has been overcome, and because natural gas calorific value computing device is an independent whole, therefore, when reforming transform or maintaining natural gas calorific value computing device, directly lift off can, need not to reform transform whole natural gas calorific value computing system and dismantle etc. have improved natural gas calorific value computing system's flexibility and convenient to maintain and dismantle etc..
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a natural gas calorific value accounting device for the calorific value of calculating the natural gas according to the real-time data of natural gas instrument to with calorific value transmission to host computer, its characterized in that, natural gas calorific value accounting device includes:
a housing; and
a control circuit board disposed within the housing;
wherein, the control circuit board includes:
the data acquisition unit is used for acquiring real-time data of the natural gas measured by the natural gas instrument;
a calculation unit for calculating a first heating value of the natural gas from the real-time data; and
the sending unit is used for sending the first heat value and the real-time data to an upper computer;
the natural gas calorific value calculation apparatus further includes:
the test tube is communicated with the natural gas pipeline; and
the natural gas component writing terminal is arranged on one side of the test tube and used for detecting components of natural gas in the natural gas pipeline and calculating a second heat value of the natural gas according to the components of the natural gas;
the natural gas component writing terminal is in communication connection with the sending unit, the natural gas component writing terminal transmits the second heat value of the natural gas to the sending unit, and the sending unit sends the second heat value to the upper computer.
2. The natural gas heating value calculation device of claim 1, wherein the natural gas meter comprises:
the flow sensor is used for detecting the flow of natural gas in the natural gas pipeline;
the pressure sensor is used for detecting the pressure of natural gas in the natural gas pipeline; and
and the temperature sensor is used for detecting the temperature of the natural gas in the natural gas pipeline.
3. The natural gas heating value calculation device of claim 2, wherein the real-time data comprises a real-time flow rate of the natural gas, a real-time pressure of the natural gas, and a real-time temperature of the natural gas.
4. The natural gas calorific value calculation apparatus of claim 1, wherein the data acquisition unit is in communication connection with the natural gas meter through an RS485 communication interface.
5. The natural gas calorific value calculation device of claim 4, wherein the sending unit and the upper computer are in communication connection through an RS485 communication interface.
6. A natural gas heating value calculation system, comprising:
the natural gas instrument is arranged in the shell and used for acquiring real-time data of natural gas;
an upper computer; and
the natural gas heat value calculation device is in communication connection with the natural gas instrument and the upper computer, and calculates the heat value of the natural gas according to the real-time data of the natural gas pipeline and transmits the heat value to the upper computer;
wherein the structure of the natural gas heating value calculation apparatus adopts the structure of the natural gas heating value calculation apparatus according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841213.4U CN212779674U (en) | 2020-08-28 | 2020-08-28 | Natural gas calorific value calculation device and natural gas calorific value calculation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841213.4U CN212779674U (en) | 2020-08-28 | 2020-08-28 | Natural gas calorific value calculation device and natural gas calorific value calculation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212779674U true CN212779674U (en) | 2021-03-23 |
Family
ID=75055594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021841213.4U Expired - Fee Related CN212779674U (en) | 2020-08-28 | 2020-08-28 | Natural gas calorific value calculation device and natural gas calorific value calculation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212779674U (en) |
-
2020
- 2020-08-28 CN CN202021841213.4U patent/CN212779674U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201133828Y (en) | Open channel ultrasound flow measurement system | |
| CN206930321U (en) | Non-full pipe ultrasonic flowmeter | |
| CN201837418U (en) | High-precision wide-range integrated throttle device | |
| CN113607227A (en) | Non-uniform flow field gas flow measurement method and system | |
| CN203224283U (en) | Liquid flow field calibration device | |
| CN212779674U (en) | Natural gas calorific value calculation device and natural gas calorific value calculation system | |
| CN202057366U (en) | Wide-range intelligence gas flow meter | |
| CN104005974B (en) | A kind of Coal Mine Ventilator flow-measuring method based on pressure correlation method | |
| CN106525173B (en) | A kind of range seamless switching flow measurement device | |
| CN106444931A (en) | A white spirit alcoholic strength on-line monitoring method and a monitoring device | |
| CN109323730A (en) | Based on TDC-GP30 double-channel gas ultrasonic flowmeter and application method | |
| CN202582616U (en) | Integrated intelligent Verabar flow meter | |
| CN207991653U (en) | A kind of packaged type fluid flow caliberating device | |
| CN116272588A (en) | Automatic manufacturing system for trace dissolved ternary mixed gas standard solution | |
| CN203259272U (en) | Calorimeter with sound velocity real-time calibration function | |
| CN209014066U (en) | One kind being based on TDC-GP30 double-channel gas ultrasonic flowmeter | |
| CN104165656A (en) | Ultrasonic water quality heat flow meter | |
| CN211783654U (en) | Low-cost wireless ultrasonic time difference method flow measurement equipment | |
| CN206177382U (en) | Pipeline section formula ultrasonic water meter | |
| CN209131749U (en) | A kind of gas meter with the compensation of component humidity | |
| CN203688005U (en) | Orifice plate flowmeter with transmitters | |
| CN206601169U (en) | A kind of hot and cold water flow calibrating device | |
| CN108132078A (en) | A kind of ultrasonic wave gas meter based on shunting metering device | |
| CN220649642U (en) | Intelligent water meter based on NB-IOT (network of things) -technology | |
| CN206601157U (en) | A kind of adjustable gas flowmeter of resolution ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 Termination date: 20210828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |