CN105526998A - Communication-based electronic gas meter detection device and method - Google Patents
Communication-based electronic gas meter detection device and method Download PDFInfo
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- CN105526998A CN105526998A CN201610109291.7A CN201610109291A CN105526998A CN 105526998 A CN105526998 A CN 105526998A CN 201610109291 A CN201610109291 A CN 201610109291A CN 105526998 A CN105526998 A CN 105526998A
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- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
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Abstract
The invention relates to the field of gas meter detection, in particular to a communication-based electronic gas meter detection device and method. An electronic gas meter comprises a communication module, and the detection device comprises at least one upper computer, a detection platform and a detection communication module. The detection communication module corresponding to the communication module in the electronic gas meter is arranged on the detection device to directly read metering number of the electronic gas meter, so that the problem that manpower is needed to read and input actual metering data of the gas meter in existing detection devices is solved, manpower input is reduced, and detection efficiency is improved.
Description
Technical field
The present invention relates to detecting gas meter field, particularly based on digital gas meter calibrating installation and the calibration method of communication.
Background technology
Electronic type (mems thermal mass gas meter, flow meter or ultrasonic wave gas meter) gas meter, flow meter belongs to measurement instrument, and according to the relevant regulations of country, each measurement instrument needs the calibrating carrying out measuring accuracy before putting on market; In gas meter, flow meter field, national regulation needs flow accuracy calibrating gas meter, flow meter being carried out to multiple flow point (different flow), only reaches corresponding accuracy class and requires that the gas meter, flow meter of (having 1.5 grades and 1.0 grades at present) just can dispatch from the factory.Because calibrating is basic demand to each gas meter, flow meter, and the annual product of some producers up to a million tables, therefore, the calibrating scheme of gas meter, flow meter must meet can procedure, the requirement such as convenient, fast, accurate and effective.
Existing monitor station (as sonic nozzle or bell-jar) is the calibrating installation for mechanical gas table mostly, in view of most mechanical gas table can not automatic reading (as character wheel display gas meter, flow meter just need artificial reading), the corresponding calibrating installation for them can not read the reading of gas meter, flow meter automatically, cause the automaticity of these calibrating installations not high, verification process needs a large amount of artificial participation, causes calibrating inefficiency.
Summary of the invention
The object of the invention is to overcome the reading that existing calibrating installation can not read gas meter, flow meter automatically, need a large amount of artificial problem participated in, provide one can be compatible with existing digital gas meter, and automatically can read the pick-up unit of gas meter, flow meter metering reading.
In order to realize foregoing invention object, the invention provides following technical scheme:
Based on a digital gas meter calibrating installation for communication, described digital gas meter comprises communication module; Described calibrating installation comprises at least one host computer, monitor station and calibrating communication module;
Described host computer and described electronic gas list catenation, for controlling beginning and the end of the metering of described digital gas meter, described host computer is simultaneously also for correcting according to the coefficient of flow of error in dipping to described digital gas meter;
Described host computer is also connected with monitor station, for receiving the standard metering data of monitor station; Described host computer also for setting verification parameters, and calculates the error in dipping of described digital gas meter;
Described calibrating communication module is connected with described monitor station or host computer, its actual metered data transmitted by communication module for receiving described digital gas meter, and these actual metered data are transferred to host computer;
Described monitor station is used for measurement standard continuous data and these data is transferred to host computer.
In some embodiments, the communication module of described digital gas meter is wireless communication module, bluetooth communication or Zigbee communication module;
Described calibrating communication module is wireless communication module, bluetooth communication or the Zigbee communication module corresponding with communication module in digital gas meter.
In other embodiment, the communication module of described digital gas meter is the luminotron be directly connected with the controller in digital gas meter, and described digital gas meter often measures default firm discharge, just controls described luminotron and sends first time light pulse;
Described calibrating communication module is the light receiving tube be connected with described monitor station or host computer, and described light receiving tube often receives a light pulse, represents described digital gas meter and has measured the firm discharge preset.
In some embodiments, described host computer is two, is respectively the first host computer and the second host computer; Wherein,
Described first host computer and described electronic gas list catenation, for controlling beginning and the end of the metering of described digital gas meter, described first host computer is simultaneously also for correcting according to the coefficient of flow of error in dipping to described digital gas meter;
Described second host computer is connected with described monitor station, for receiving the standard metering data of monitor station; Described second host computer also for setting verification parameters, and calculates the error in dipping of described digital gas meter.
The present invention provides one can reduce artificial participation simultaneously, and automatically can read the digital gas meter calibration method based on communication of digital gas meter metering reading, and described digital gas meter comprises communication module, comprises following steps:
(1) after being connected with calibrating installation as above by tested digital gas meter, set verification parameters by host computer, described verification parameters setting comprises the setting chosen, measure total flow detecting flow point; Choose one detect flow point and enter step (2),
(2) by the metering of host computer simultaneously start detection platform and digital gas meter; Host computer receives the actual metered data of digital gas meter by calibrating communicator; Host computer simultaneously also direct self-inspection scaffold tower receive its measure standard metering data;
(3) when actual metered data or standard metering data reach default measurement total flow value, stop the metering of monitor station and digital gas meter simultaneously; Host computer calculates the error in dipping of digital gas meter according to the standard metering data received;
(4) as error is greater than predetermined threshold value, then, host computer corrects the coefficient of flow of digital gas meter at this detection flow point according to error in dipping; Otherwise, select the next flow point that detects to return step (2)
(5) the detection flow point as setting is not all examined and determine complete, then enter next detection flow point and return step (2), until all detection flow points all complete calibrating.
During some are implemented, return step (2) after the coefficient of flow of current detection flow point being corrected in step (4), again current detection flow point is examined and determine.
In some embodiments, the communication module of described digital gas meter is wireless communication module, bluetooth communication or Zigbee communication module;
Described calibrating communication module is wireless communication module, bluetooth communication or the Zigbee communication module corresponding with communication module in digital gas meter; Described calibrating communication module receives the actual metered data from described digital gas meter by wireless communication module, bluetooth communication or Zigbee communication module, and these data are sent to host computer.
In other embodiment, the communication module of described digital gas meter is the luminotron be directly connected with the controller in digital gas meter, and described digital gas meter often measures default firm discharge, just controls described luminotron and sends first time light pulse;
Described calibrating communication module is the light receiving tube be connected with described monitor station or host computer, and described light receiving tube often receives a light pulse, represents described digital gas meter and has measured the firm discharge preset; Described host computer calculates the actual metered data of described digital gas meter according to the light pulse quantity received.
In other embodiment, the communication module of described digital gas meter is the luminotron be directly connected with the controller in digital gas meter, described digital gas meter often measures default firm discharge, just control described luminotron and send first time light pulse, described digital gas meter is in an also transmitting light pulse at the beginning of metering simultaneously;
Described calibrating communication module is the light receiving tube be connected with described monitor station or host computer, and described light receiving tube often receives a light pulse, represents described digital gas meter and has measured the firm discharge preset; Described host computer calculates the actual metered data of described digital gas meter according to the light pulse quantity received.
In some specific embodiments, described digital gas meter and described monitor station connect from different host computers respectively, wherein,
Described digital gas meter is connected with the first host computer, and described first host computer is for controlling beginning and the end of the metering of described digital gas meter, and described first host computer is simultaneously also for correcting according to the coefficient of flow of error in dipping to described digital gas meter;
Described monitor station is connected with the second host computer, and described second host computer, for controlling the setting of monitor station verification parameters, receives the standard metering data of monitor station and calculates the error in dipping of described digital gas meter.
compared with prior art, beneficial effect of the present invention: the digital gas meter calibrating installation based on communication provided by the invention and calibration method, by arranging the calibrating communication module corresponding with the communication module in digital gas meter on calibrating installation, realize the metering reading directly reading digital gas meter, thus avoid the problem needing artificial reading, input gas meter, flow meter actual metered data in existing calibrating installation, minimizing manually drops into, improves calibrating efficiency.
Accompanying drawing illustrates:
Fig. 1 is the system chart of digital gas meter calibrating installation provided by the invention.
Fig. 2 is a specific embodiment of digital gas meter calibrating installation provided by the invention.
Fig. 3 is another embodiment of digital gas meter calibrating installation provided by the invention.
Fig. 4 is another embodiment of digital gas meter calibrating installation provided by the invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
embodiment 1:as shown in Figure 1, the present embodiment provides a kind of digital gas meter calibrating installation based on communication, and described digital gas meter 2 comprises communication module 21; Described calibrating installation comprises a host computer 1, monitor station 3 and calibrating communication module 31;
Described host computer 1 is connected with described digital gas meter 2, and for controlling beginning and the end of the metering of described digital gas meter 2, described host computer 1 is simultaneously also for correcting according to the coefficient of flow of error in dipping to described digital gas meter 2;
Described host computer 1 is also connected with monitor station 3, and for receiving the standard metering data of monitor station 3, described host computer 1 also for setting verification parameters, and calculates the error in dipping of described digital gas meter 2;
Described calibrating communication module 31 is connected with described monitor station 3 or host computer 1, its actual metered data transmitted by communication module 21 for receiving described digital gas meter 2, and these actual metered data are transferred to host computer 1;
Described monitor station 3 is for measurement standard continuous data and these data are transferred to host computer 1.
It should be noted, calibrating communication module 31 can be integrated into the part of monitor station 3, also can be connected with monitor station 3 or host computer 1 in monitor station 3 for peripheral hardware.
In the present embodiment, the communication module 21 of described digital gas meter 2 is wireless communication module, bluetooth communication or Zigbee communication module;
Accordingly, described calibrating communication module 31 is wireless communication module, bluetooth communication or the Zigbee communication module corresponding with communication module 21 in digital gas meter 2; Calibrating communicator is by arranging, directly read the real time measure data of digital gas meter 2 by the communication module 21 in digital gas meter 2 according to Fixed Time Interval, if this time interval can be 0.1s to 1s, the actual metered data of reading are sent to host computer 1 by calibrating communicator.
During practical application, digital gas meter 2 to be detected is placed on monitor station 3, and it is connected complete with the snorkel on monitor station 3, setting parameter is carried out to host computer 1, usually, setting parameter comprises the setting detecting flow point and (namely chooses 3 to 10 flow speed values, the measuring accuracy of gas meter, flow meter under different in flow rate value is examined and determine, as low speed, middling speed, at a high speed), measure the setting of total flow (namely for single measurement point, once measure in calibrating and stop to during how many liter), be that 70 elevate a turnable ladders are routine to choose 3 flow speed values (namely 3 detect flow points), to measure total flow set in the present embodiment, after setting parameter, control monitor station 3 and digital gas meter 2 by host computer 1 and start metering simultaneously, measurement gas according to the flow velocity chosen by monitor station 3 and digital gas meter 2, host computer 1 receive simultaneously monitor station 3 standard metering data (it is well known that, monitor station 3 itself can carry out the flow metering of standard, that is, the flow metering data that we it has been generally acknowledged that monitor station 3 itself are standard metering data) and the actual metered data of digital gas meter 2, when standard metering data or actual metered data reach default measurement total flow, host computer 1 controls monitor station 3 and digital gas meter 2 stops metering (can only choose a mode, namely host computer 1 otherwise standard metering data reach measure total flow time stop, stop when actual metered data reach and measure total flow, but during the mode stopped when adopting standard metering data to reach and measure total flow, need the requirement of real-time of the actual metered digital independent of host computer 1 pair of digital gas meter 2 higher), in the present embodiment, because the communication module 21 in calibrating communication module 31 and digital gas meter 2 is wireless communication module 21, one in bluetooth communication 21 or Zigbee communication module 21, and host computer 1 reads digital gas meter 2 reading once at interval of 0.1s-1s, therefore the mode of " stopping metering when standard metering data reach and measure total flow " can be adopted, namely as standard metering data V
markwhen reaching 70 liters, metering stops, then host computer 1 calculates error in dipping the E=((V of digital gas meter 2
mark-V
real)/V
mark) * 100%=((70-V
real)/70) * 100%, subsequently, the value as error in dipping E is greater than predetermined threshold value, then host computer 1 corrects the stoichiometric coefficient of digital gas meter 2 at this detection flow point (flow speed value) according to this error in dipping, by the stoichiometric coefficient K of gas meter, flow meter at this detection flow point
formerbe corrected to K
adjust, formula is K
adjust=K
former* (1-E), subsequently, the next verification process of flow point that detects is entered until all default detection flow points all complete calibrating.
Usually, between digital gas meter 2 and host computer 1, and monitor station 3 with between host computer for be connected by RS232 mode.Monitor station 3 can be sonic nozzle formula or bell-jar usually.
Described digital gas meter be ultrasonic wave gas meter or other can be read by controller, the electronic gauge of metering gas data on flows (or qualitative data, energy datum).
embodiment 2:as shown in Figure 2, be with embodiment 1 difference, in the present embodiment, the communication module 21 of described digital gas meter 2 is the luminotron 211 be directly connected with the controller in digital gas meter 2, described digital gas meter 2 often measures default firm discharge, just control described luminotron 211 and send first time light pulse, as digital gas meter 2 often measures 5 liters, just control luminotron 211 by controller and send a light pulse;
Accordingly, described calibrating communication module 31 is the light receiving tube 311 be connected with described monitor station 3 or host computer 1, described light receiving tube 311 often receives a light pulse, represent described digital gas meter 2 and measure the firm discharge preset, namely examine and determine communication module 31 and often receive a light pulse, just think that digital gas meter 2 has measured 5 liters.
In the present embodiment, owing to adopting luminotron 211 and light receiving tube 311 as communication mode, therefore as different from Example 1, when host computer 1 is by reaching in actual metered data and measuring total flow, the mode of light pulse is stopped to control.Be still 70 elevate a turnable ladders examples to choose 3 flow speed values (namely 3 detect flow points), to measure total flow set; When host computer 1 receives the 12nd light pulse, assert that digital gas meter 2 has measured 70 liters, now host computer 1 controls digital gas meter 2 and monitor station 3 stopping measurement, now, and E=((V
mark-V
real)/V
mark) * 100%=((V
mark-70)/V
mark) * 100%.
It should be noted, in order to improve precision, default fixed flow value can be reduced, this value can set between 0.1 liter-20 liters in theory, and this value is less, and the real-time that host computer 1 reads the metering reading of digital gas meter 2 is higher.
embodiment 3:as shown in Figure 3, as different from Example 1, in the present embodiment, described host computer 1 is two, is respectively the first host computer 11 and the second host computer 12; Wherein,
Described first host computer 11 is connected with described digital gas meter 2, and for controlling beginning and the end of the metering of described digital gas meter 2, described first host computer 11 is simultaneously also for correcting according to the coefficient of flow of error in dipping to described digital gas meter 2;
Described second host computer 12 is connected with described monitor station 3, for receiving the standard metering data of monitor station 3; Described second host computer 12 also for setting verification parameters, and calculates the error in dipping of described digital gas meter 2.
In the present embodiment, control while needing the metering controlling digital gas meter 2 in the first host computer 11 to start the second host computer 12 control monitor station 3 start metering; Meanwhile, the second host computer 12 stops the reception to actual metered data and standard metering data immediately after the measurement total flow that actual metered data or standard metering data reach default.
The benefit of the present embodiment is, mostly all comprises the second host computer 12 in a host computer 1(and the present embodiment due to existing calibrating installation) and monitor station 3; The scheme that the present embodiment provides can not other change to existing calibrating installation, only need to increase the transformation that calibrating communication module 31 can complete existing calibrating installation, thus goal of the invention of the present invention can be realized, but the shortcoming of the present embodiment is, still need manually the error in dipping calculated in the second host computer 12 to be inputed in the first host computer 11, for the first host computer 11, tested digital gas meter 2 is carried out to the correction of coefficient of flow.
embodiment 4:as shown in Figure 4, be with embodiment 3 difference, in the present embodiment, the communication module 21 of described digital gas meter 2 is the luminotron 211 be directly connected with the controller in digital gas meter 2; Described digital gas meter 2 often measures default firm discharge, just controls described luminotron 211 and sends first time light pulse, as digital gas meter 2 often measures 5 liters, just controls luminotron 211 by controller and sends a light pulse;
Accordingly, described calibrating communication module 31 is the light receiving tube 311 be connected with described monitor station 3 or host computer 1, described light receiving tube 311 often receives a light pulse, represent described digital gas meter 2 and measure the firm discharge preset, namely examine and determine communication module 31 and often receive a light pulse, just think that digital gas meter 2 has measured 5 liters.
In the present embodiment, owing to adopting luminotron 211 and light receiving tube 311 as communication mode, therefore as different from Example 3, when host computer 1 is by reaching in actual metered data and measuring total flow, the mode of light pulse is stopped to control.Be still 70 elevate a turnable ladders examples to choose 3 flow speed values (namely 3 detect flow points), to measure total flow set; When host computer 1 receives the 12nd light pulse, assert that digital gas meter 2 has measured 70 liters, now host computer 1 controls digital gas meter 2 and monitor station 3 stopping measurement, now, and E=((V
mark-V
real)/V
mark) * 100%=((V
mark-70)/V
mark) * 100%.
Simultaneously, consider that the present embodiment is comprise two host computers 1 equally, conveniently synchronously, just send a light pulse when digital gas meter 2 starts to measure, now, as long as setting host computer 1 deducts a light pulse number when calculating actual metered data can obtain actual actual metered data.
embodiment 5:the present embodiment provides one can reduce artificial participation, and automatically can read digital gas meter 2 calibration method based on communication of digital gas meter 2 metering reading, and described digital gas meter 2 comprises communication module 21, comprises following steps:
(1) set by host computer 1 pair of verification parameters, described verification parameters setting comprises the setting chosen, measure total flow detecting flow point; Choose one detect flow point and enter step (2), it should be noted, when calibrating installation be as described in Example 3 comprise two host computers time, need to carry out verification parameters setting to the first host computer 11 and the second host computer 12 simultaneously, or, at least to carry out verification parameters setting to the second host computer 12.
(2) by the metering of start detection platform 3 and digital gas meter 2 while of host computer 1; Host computer 1 receives the actual metered data of digital gas meter 2 by calibrating communicator; Host computer 1 simultaneously also direct self-inspection scaffold tower 3 receive its measure standard metering data;
(3) when actual metered data or standard metering data reach default measurement total flow value, stop the metering of monitor station 3 and digital gas meter 2 simultaneously; Host computer 1 calculates the error in dipping of digital gas meter 2 according to the standard metering data received;
(4) as error is greater than predetermined threshold value, then, host computer 1 corrects the coefficient of flow of digital gas meter 2 at this detection flow point according to error in dipping; Otherwise, select the next flow point that detects to return step (2)
(5) the detection flow point as setting is not all examined and determine complete, then enter next detection flow point and return step (2), until all detection flow points all complete calibrating.
It should be noted, in the present embodiment, step (2) to step (4) is a complete flow process that is detected to flow point and examines and determine.
In the present embodiment, the communication module of described digital gas meter is wireless communication module, bluetooth communication or Zigbee communication module;
Described calibrating communication module is wireless communication module, bluetooth communication or the Zigbee communication module corresponding with communication module in digital gas meter; Described calibrating communication module receives the actual metered data from described digital gas meter by wireless communication module, bluetooth communication or Zigbee communication module, and these data are sent to host computer.
Meanwhile, in the present embodiment, described digital gas meter and described monitor station connect from different host computers respectively, wherein,
Described digital gas meter 2 is connected with the first host computer 11, described first host computer 11 is for controlling beginning and the end of the metering of described digital gas meter 2, and described first host computer 11 is simultaneously also for correcting according to the coefficient of flow of error in dipping to described digital gas meter 2;
Described monitor station 3 is connected with the second host computer 12, and described second host computer 12, for controlling the setting of monitor station 3 verification parameters, receives the standard metering data of monitor station 3 and calculates the error in dipping of described digital gas meter 2.
In the present embodiment, control while needing the metering controlling digital gas meter 2 in the first host computer 11 to start the second host computer 12 control monitor station 3 start metering; Meanwhile, the second host computer 12 stops the reception to actual metered data and standard metering data immediately after the measurement total flow that actual metered data or standard metering data reach default.
The benefit of the present embodiment is, mostly all comprises the second host computer 12 in a host computer 1(and the present embodiment due to existing calibrating installation) and monitor station 3; The scheme that the present embodiment provides can not other change to existing calibrating installation, and only needing increases the transformation that calibrating communication module 31 can complete existing calibrating installation, thus can realize goal of the invention of the present invention.
embodiment 6:be with embodiment 5 difference, in the present embodiment, do not enter step (5) after the coefficient of flow of current detection flow point being corrected in step (4) but directly return step (2), again current detection flow point is examined and determine, just examine and determine, until all detection flow points are all examined and determine complete for next one detection flow point until the actual metered error of this detection flow point reaches after within predetermined threshold value.
In the present embodiment, the communication module of described digital gas meter 2 is the luminotron 211 be directly connected with the controller in digital gas meter 2, and described digital gas meter 2 often measures default firm discharge, just controls described luminotron 211 and sends first time light pulse;
Described calibrating communication module 31 is the light receiving tube 311 be connected with described monitor station 3 or host computer 1, and described light receiving tube 311 often receives a light pulse, represents described digital gas meter 2 and has measured the firm discharge preset; Described host computer 1 calculates the actual metered data of described digital gas meter 2 according to the light pulse quantity received.
In other embodiment, the communication module 31 of described digital gas meter 2 is the luminotron 211 be directly connected with the controller in digital gas meter 2, described digital gas meter 2 often measures default firm discharge, just control described luminotron 211 and send first time light pulse, described digital gas meter 2 is in an also transmitting light pulse at the beginning of metering simultaneously;
Described calibrating communication module 31 is the light receiving tube 311 be connected with described monitor station 3 or host computer 1, and described light receiving tube 311 often receives a light pulse, represents described digital gas meter 2 and has measured the firm discharge preset; Described host computer 1 calculates the actual metered data of described digital gas meter 2 according to the light pulse quantity received.
Claims (10)
1., based on a digital gas meter calibrating installation for communication, described digital gas meter comprises communication module; It is characterized in that, described calibrating installation comprises at least one host computer, monitor station and calibrating communication module;
Described host computer and described electronic gas list catenation, for controlling beginning and the end of the metering of described digital gas meter, described host computer is simultaneously also for correcting according to the coefficient of flow of error in dipping to described digital gas meter;
Described host computer is also connected with monitor station, for receiving the standard metering data of monitor station; Described host computer also for setting verification parameters, and calculates the error in dipping of described digital gas meter;
Described calibrating communication module is connected with described monitor station or host computer, its actual metered data transmitted by communication module for receiving described digital gas meter, and these actual metered data are transferred to host computer;
Described monitor station is used for measurement standard continuous data and these data is transferred to host computer.
2. digital gas meter calibrating installation as claimed in claim 1, it is characterized in that, the communication module of described digital gas meter is wireless communication module, bluetooth communication or Zigbee communication module;
Described calibrating communication module is wireless communication module, bluetooth communication or the Zigbee communication module corresponding with communication module in digital gas meter.
3. digital gas meter calibrating installation as claimed in claim 1, it is characterized in that, the communication module of described digital gas meter is the luminotron be directly connected with the controller in digital gas meter, described digital gas meter often measures default firm discharge, just controls described luminotron and sends first time light pulse;
Described calibrating communication module is the light receiving tube be connected with described monitor station or host computer, and described light receiving tube often receives a light pulse, represents described digital gas meter and has measured the firm discharge preset.
4. digital gas meter calibrating installation as claimed in claim 1, it is characterized in that, described host computer is two, is respectively the first host computer and the second host computer; Wherein,
Described first host computer and described electronic gas list catenation, for controlling beginning and the end of the metering of described digital gas meter, described first host computer is simultaneously also for correcting according to the coefficient of flow of error in dipping to described digital gas meter;
Described second host computer is connected with described monitor station, for receiving the standard metering data of monitor station; Described second host computer also for setting verification parameters, and calculates the error in dipping of described digital gas meter.
5., based on a digital gas meter calibration method for communication, described digital gas meter comprises communication module, it is characterized in that, comprises following steps:
(1) after being connected with the calibrating installation as described in any one of claim 1 to 5 by tested digital gas meter, set verification parameters by host computer, described verification parameters setting comprises the setting chosen, measure total flow detecting flow point; Choose one detect flow point and enter step (2),
(2) by the metering of host computer simultaneously start detection platform and digital gas meter; Host computer receives the actual metered data of digital gas meter by calibrating communicator; Host computer simultaneously also direct self-inspection scaffold tower receive its measure standard metering data;
(3) when actual metered data or standard metering data reach default measurement total flow value, stop the metering of monitor station and digital gas meter simultaneously; Host computer calculates the error in dipping of digital gas meter according to the standard metering data received;
(4) as error is greater than predetermined threshold value, then, host computer corrects the coefficient of flow of digital gas meter at this detection flow point according to error in dipping, enters step (5) after correction; Otherwise, select the next flow point that detects to return step (2)
(5) the detection flow point as setting is not all examined and determine complete, then enter next detection flow point and return step (2), until all detection flow points all complete calibrating.
6. digital gas meter calibration method as claimed in claim 5, is characterized in that, returns step (2), again examine and determine current detection flow point in step (4) to the coefficient of flow of current detection flow point after correcting.
7. digital gas meter calibration method as claimed in claim 5, it is characterized in that, the communication module of described digital gas meter is wireless communication module, bluetooth communication or Zigbee communication module;
Described calibrating communication module is wireless communication module, bluetooth communication or the Zigbee communication module corresponding with communication module in digital gas meter; Described calibrating communication module receives the actual metered data from described digital gas meter by wireless communication module, bluetooth communication or Zigbee communication module, and these data are sent to host computer.
8. digital gas meter calibration method as claimed in claim 5, it is characterized in that, the communication module of described digital gas meter is the luminotron be directly connected with the controller in digital gas meter, described digital gas meter often measures default firm discharge, just controls described luminotron and sends first time light pulse;
Described calibrating communication module is the light receiving tube be connected with described monitor station or host computer, and described light receiving tube often receives a light pulse, represents described digital gas meter and has measured the firm discharge preset; Described host computer calculates the actual metered data of described digital gas meter according to the light pulse quantity received.
9. digital gas meter calibration method as claimed in claim 5, it is characterized in that, the communication module of described digital gas meter is the luminotron be directly connected with the controller in digital gas meter, described digital gas meter often measures default firm discharge, just control described luminotron and send first time light pulse, described digital gas meter is in an also transmitting light pulse at the beginning of metering simultaneously;
Described calibrating communication module is the light receiving tube be connected with described monitor station or host computer, and described light receiving tube often receives a light pulse, represents described digital gas meter and has measured the firm discharge preset; Described host computer calculates the actual metered data of described digital gas meter according to the light pulse quantity received.
10. digital gas meter calibration method as claimed in claim 5, it is characterized in that, described digital gas meter and described monitor station connect from different host computers respectively, wherein,
Described digital gas meter is connected with the first host computer, and described first host computer is for controlling beginning and the end of the metering of described digital gas meter, and described first host computer is simultaneously also for correcting according to the coefficient of flow of error in dipping to described digital gas meter;
Described monitor station is connected with the second host computer, and described second host computer, for controlling the setting of monitor station verification parameters, receives the standard metering data of monitor station and calculates the error in dipping of described digital gas meter.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633102A (en) * | 2019-01-25 | 2019-04-16 | 天津市生态环境监测中心 | A kind of offset detection system and method for dynamic gas regulator |
| CN109827642A (en) * | 2019-03-29 | 2019-05-31 | 宁夏隆基宁光仪表股份有限公司 | A kind of ultrasonic wave gas meter calibration system and method based on WIFI communication |
| CN110864772A (en) * | 2019-11-20 | 2020-03-06 | 浙江威星智能仪表股份有限公司 | Method for detecting instantaneous flow of electronic gas meter |
| CN110864771A (en) * | 2019-11-20 | 2020-03-06 | 浙江威星智能仪表股份有限公司 | Dynamic meter checking method for electronic gas meter |
| CN111157081A (en) * | 2019-12-26 | 2020-05-15 | 金卡智能集团股份有限公司 | Calibration method of electronic gas meter |
| CN113297829A (en) * | 2021-05-22 | 2021-08-24 | 哈尔滨工大中辰科技开发有限公司 | Gas metering instrument calibrating device and method based on spreadsheet |
| CN114189508A (en) * | 2021-04-14 | 2022-03-15 | 郑州华润燃气股份有限公司 | Weekly checking system and method for gas meter |
| CN114189508B (en) * | 2021-04-14 | 2024-04-26 | 郑州华润燃气股份有限公司 | Week checking system and method for gas meter |
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| CN109633102A (en) * | 2019-01-25 | 2019-04-16 | 天津市生态环境监测中心 | A kind of offset detection system and method for dynamic gas regulator |
| CN109827642A (en) * | 2019-03-29 | 2019-05-31 | 宁夏隆基宁光仪表股份有限公司 | A kind of ultrasonic wave gas meter calibration system and method based on WIFI communication |
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| CN110864771A (en) * | 2019-11-20 | 2020-03-06 | 浙江威星智能仪表股份有限公司 | Dynamic meter checking method for electronic gas meter |
| CN111157081A (en) * | 2019-12-26 | 2020-05-15 | 金卡智能集团股份有限公司 | Calibration method of electronic gas meter |
| CN114189508A (en) * | 2021-04-14 | 2022-03-15 | 郑州华润燃气股份有限公司 | Weekly checking system and method for gas meter |
| CN114189508B (en) * | 2021-04-14 | 2024-04-26 | 郑州华润燃气股份有限公司 | Week checking system and method for gas meter |
| CN113297829A (en) * | 2021-05-22 | 2021-08-24 | 哈尔滨工大中辰科技开发有限公司 | Gas metering instrument calibrating device and method based on spreadsheet |
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