CN107764375B - Gas meter indication error calibrating device - Google Patents
Gas meter indication error calibrating device Download PDFInfo
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- CN107764375B CN107764375B CN201711283066.6A CN201711283066A CN107764375B CN 107764375 B CN107764375 B CN 107764375B CN 201711283066 A CN201711283066 A CN 201711283066A CN 107764375 B CN107764375 B CN 107764375B
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
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Abstract
The application provides a gas representation value error calibrating device, and relates to the field of intelligent meters. According to the gas representation value error calibrating device, the actual volume of passing gas is detected, the target sensing device is utilized to generate a pulse signal when the target sensing device is detected, and then the controller is utilized to calculate the flow point indication value error according to the times of receiving the pulse signal, the preset revolution volume and the actual volume of passing gas, so that the calibrating time is saved, the calibrating accuracy and the calibrating sensitivity are improved, the energy consumption is reduced, the energy conservation and emission reduction are realized, the gas meter calibrating technology of an enterprise can be improved, the economic situation of the rapid development of the industry is adapted, and the competitiveness of the enterprise is improved.
Description
Technical Field
The application relates to the field of intelligent meters, in particular to a gas representation value error calibrating device.
Background
The fuel for people to cook is changed from the conventional energy sources with serious pollution, such as firewood, coal and the like, which are seriously wasted, to the natural gas and the coal gas. The gas meter has only one digital roller inside the small glass window, seven digits, black front four decimal places and red back three places, and may be used to accumulate gas volume automatically for people to use natural gas or pipeline gas to know the gas consumption conveniently. The error of the indication value of the gas meter is the percentage of the difference between the volume displayed by the gas meter and the volume actually passing through the gas meter, and is an important index for evaluating the quality of the gas meter product.
In the prior art, a diaphragm gas meter is generally used for metering gas consumption, the diaphragm gas meter is an appliance which is metered by taking a volumetric mode as a principle, and the revolution volume of a product is determined once the product is molded. The metering cycle of the film type gas meter core is realized by taking two diaphragms which do reciprocating motion as power and pushing the valve cover of the distribution valve to do uniform rotation motion through a double-rocker single-crank mechanism, when the mechanism completes one rotation, the air inlet and the air exhaust of one rotation volume are completed, the gas meter market is rapidly expanded along with the continuous rising of the using amount of natural gas and the gradual perfection of large-scale infrastructures, the defect of the current gas representation value error verification is also gradually highlighted, and especially the verification of the minimum flow point is long in time consumption, low in accuracy and low in verification efficiency, and the production efficiency of the gas meter is restricted. Thus, the time-consuming and low-precision verification of the indication errors is a major problem, and the accuracy and the efficiency of verification are required to be improved.
Disclosure of Invention
Accordingly, an object of the present application is to provide a gas representation error calibration device to improve the above-mentioned problems.
The application provides a gas representation value error calibrating device which comprises a rotating disc, a first target to be detected, an actual volume calibrating device, a first target sensing device and a controller, wherein the first target to be detected is arranged on the rotating disc, the rotating disc is used for driving the first target to be detected to rotate, the first target sensing device and the actual volume calibrating device are respectively and electrically connected with the controller, the actual volume calibrating device is used for detecting the actual volume of passing gas, the first target sensing device is used for generating a first pulse signal when detecting the first target to be detected, and transmitting the first pulse signal to the controller, and the controller is used for calculating the indication value error of a large and medium flow point according to the times of receiving the first pulse signal, the preset revolution volume and the actual volume of passing gas.
Further, the controller is further used for judging whether the error of the indicating value of the large and medium flow points is within a preset first threshold range, if so, generating a qualified verification result, and if not, generating a unqualified verification result.
Further, the first target to be detected is a magnet, and the first target induction device is a magnetic induction element.
Further, the first target to be detected is a reflective cursor, and the first target sensing device is a photoelectric sensor.
Further, the gas representation value error calibrating device further comprises a plurality of second targets to be detected and a second target sensing device, the first targets to be detected are located on the circumference of the first radius of the rotating disc, the plurality of second targets to be detected are arranged on the circumference of the second radius of the rotating disc at equal intervals, the first radius is larger than the second radius, the second target sensing device is arranged at intervals with the first target sensing device, the second target sensing device is electrically connected with the controller, the second target sensing device is used for generating a second pulse signal when one second target to be detected is detected, and transmitting the second pulse signal to the controller, and the controller is used for calculating a gas meter display value according to the number of the second targets to be detected, the preset value of the revolution volume and the number of times of receiving the first pulse signal, calculating the actual gas volume passing through the combustion according to the number of the second targets to be detected, the actual value of the revolution volume of the movement and the number of times of receiving the second pulse signal, and calculating the actual gas meter error value passing through the gas meter.
Further, the second target to be detected is a magnet, and the second target sensing device is a magnetic induction element.
Further, the second target to be detected is a reflective cursor, and the second target sensing device is a photoelectric sensor.
Further, the controller is further configured to determine whether the small flow indication value error is within a preset second threshold range, if so, generate a verification qualified result, and if not, generate a verification unqualified result.
Further, the gas representation value error calibrating device further comprises a change-over switch, the first target sensing device, the change-over switch and the controller are electrically connected in sequence, the second target sensing device, the change-over switch and the controller are electrically connected in sequence, the controller is further used for judging whether the frequency of the received first pulse signal is lower than a preset frequency or not, and if the frequency of the received first pulse signal is lower than the preset frequency value, the change-over switch is controlled to be conducted with the second target sensing device.
Further, the gas representation value error verification device further comprises a register, and the register is electrically connected with the controller.
Compared with the prior art, the gas representation value error calibrating device provided by the application has the advantages that through detecting the actual volume of passing gas, the first target sensing device is utilized to generate the first pulse signal when detecting the first target sensing device, and then the controller is utilized to calculate the large and medium flow point representation value error according to the times of receiving the first pulse signal, the preset revolution volume and the actual volume of passing gas, so that the calibrating time is saved, the calibrating accuracy and the calibrating sensitivity are improved, the energy consumption is reduced, the energy conservation and the emission reduction are realized, the gas meter calibrating technology of an enterprise can be improved, the economic situation of the rapid development of the industry is adapted, and the competitiveness of the enterprise is improved.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
FIG. 1 is a circuit connection block diagram of a gas representation value error verification device provided by an embodiment of the application;
fig. 2 is a schematic structural diagram of a rotating disc according to an embodiment of the present application.
Icon: 101-a first target sensing device; 102-a second target sensing device; 103-a change-over switch; 104-a first target to be detected; 105-a second target to be detected; 106-a controller; 107-actual volume assay device; 108-a register; 109-rotating disk.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
Referring to fig. 1 and 2, an embodiment of the application provides a gas representation value error verification device, which includes a rotating disc 109, a first target 104 to be detected, an actual volume verification device 107, a first target sensing device 101, and a controller 106. As shown in fig. 1, the first targets 104 to be detected are disposed on the rotating disc 109, in this embodiment, when a large-medium flow indication error is required to be detected, the first targets 104 to be detected are preferably disposed at the edge of the rotating disc 109, and the number of the first targets 104 to be detected may be one or more, in this embodiment, 1, the rotating disc 109 rotates one circle, and the first target sensing device 101 generates a first pulse signal. The rotating disk 109 may be circular or annular or even regular polygonal, without limitation. The rotating disc 109 is used for driving the first target 104 to be detected to rotate, as shown in fig. 2, and the first target sensing device 101 and the actual volume verification device 107 are respectively electrically connected with the controller 106.
The actual volume verification device 107 is configured to detect an actual volume of the passing gas, the first target sensing device 101 is configured to generate a first pulse signal when the first target 104 to be detected is detected, and transmit the first pulse signal to the controller 106, where the controller 106 is configured to calculate a large and medium flow point indication error according to the number of times the first pulse signal is received, a preset revolution volume, and the actual volume of the passing gas.
Specifically, the controller 106 is configured to calculate according to the formula
Calculating the error of the indicating value of the large and medium flow points, whereinV c Representing the actual value of the revolution volume of the movement, V r Represents the actual volume of the gas passing through, n represents the number of first pulse signals acquired by the first target sensing device 101, V i Indicating preset value of revolution volume of gas meter, V m ＝nV i ，V m Indicating the volume of the gas meter, E 1 The large and medium flow points indicate value errors.
The controller 106 is further configured to determine whether the error of the indicating value of the large and medium flow points is within a preset first threshold range, if so, generate a qualified verification result, and if not, generate a unqualified verification result. In this embodiment, the preset first threshold range may be-1.5% E 1 Less than or equal to 1.5 percent, if the error of the indicating value of the large and medium flow points is less than or equal to-1.5 percent and less than or equal to E 1 And if the interval is less than or equal to 1.5%, the large and medium flow point indication value error is considered to be qualified, otherwise, the verification is not qualified.
In this embodiment, the first target 104 to be detected may be a magnet, the first target sensing device 101 may be a magnetic induction element, or the first target 104 to be detected may be a reflective cursor, and the first target sensing device 101 may be a photoelectric sensor.
The gas representation value error calibrating device further comprises a plurality of second targets to be detected 105 and a second target sensing device 102, the first targets to be detected 104 are located on the circumference of the first radius of the rotating disc 109, the plurality of second targets to be detected 105 are arranged on the circumference of the second radius of the rotating disc 109 at equal intervals, the first radius is larger than the second radius, and the second target sensing device 102 and the first target sensing device 101 are arranged at intervals. The second target sensing device 102 is electrically connected to the controller 106, and the second target sensing device 102 is configured to generate a second pulse signal when a second target 105 to be detected is detected, and transmit the second pulse signal to the controller 106.
The controller 106 is further configured to calculate a gas meter value according to the number of the second targets 105 to be detected, the preset value of the revolution volume, and the number of times of receiving the first pulse signal, calculate an actual gas volume passing through the gas meter according to the number of the second targets 105 to be detected, the actual value of the revolution volume of the movement, and the number of times of receiving the second pulse signal, and calculate a small flow point indication value error according to the gas meter value and the actual gas volume passing through the gas meter.
Specifically, the controller 106 is configured to calculate according to the formulaCalculating the gas meter value according to the formula +.>Calculating the actual gas volume through the gas meter according to the formula +.>Calculating a small flow point indication value error, wherein n is the number of times the controller 106 receives pulses, m is the number of second targets 105 to be detected, E 2 For small flow point indication error, V c Representing the actual value of the revolution volume of the movement, V i Indicating a preset value of the preset revolution volume of the gas meter.
The controller 106 is further configured to determine whether the small flow indication error is within a preset second threshold range, if so, generate a verification pass result, and if not, generate a verification fail result. In this embodiment, the preset second threshold range may be-3% E 2 Less than or equal to 3 percent, if the error of the indicating value of the large and medium flow points is less than or equal to-3 percent and less than or equal to E 2 And if the interval is less than or equal to 3 percent, the small flow point indication value error verification is considered to be qualified.
In this embodiment, the second target 105 to be detected may be a magnet, the second target sensing device 102 may be a magnetic induction element, or the second target 105 to be detected may be a reflective cursor, and the second target sensing device 102 may be a photoelectric sensor.
The gas representation value error verification device further comprises a switch 103, the first target sensing device 101, the switch 103 and the controller 106 are electrically connected in sequence, the second target sensing device 102, the switch 103 and the controller 106 are electrically connected in sequence, the controller 106 is further used for judging whether the frequency of the received first pulse signal is lower than a preset frequency, and if the frequency of the received first pulse signal is lower than the preset frequency value, the switch 103 is controlled to be conducted with the second target sensing device 102. If the frequency of the received first pulse signal is lower than the preset frequency value, which indicates that the rotation speed of the rotating disc 109 is slower at this time, the error of the small flow indication value can be detected, and if the frequency of the received first pulse signal is higher than the preset frequency value, which indicates that the rotation speed of the rotating disc 109 is faster at this time, the switch 103 is kept on with the second target sensing device 102.
The gas representative value error verification device further includes a register 108, the register 108 being electrically connected to the controller 106. The registers 108 may be used to store parameters and assay results.
In summary, in the gas representation value error calibration device provided by the application, the actual volume of the passing gas is detected, the first target sensing device is utilized to generate the first pulse signal when the first target sensing device is detected, then the controller is utilized to calculate the large and medium flow point indication value error according to the times of receiving the first pulse signal, the preset revolution volume and the actual volume of the passing gas, or the second target sensing device is utilized to detect the second target to be detected, and the second pulse signal is generated when one second target sensing device is detected, and the second pulse signal is transmitted to the controller; then the controller is utilized to calculate the gas meter indication value according to the number of the second targets to be detected, the preset value of the revolution volume and the times of receiving the second pulse signals; then calculating the actual gas volume passing through the gas meter by using the controller according to the number of second targets to be detected, the actual value of the revolution volume of the movement and the times of receiving the second pulse signals; and finally, calculating a small flow point indication value error by using the controller according to the gas meter indication value and the actual gas volume of the gas meter, thereby saving verification time, improving verification accuracy and verification sensitivity, reducing energy consumption, realizing energy conservation and emission reduction, improving the gas meter verification technology of enterprises, adapting to the economic situation of rapid development of the industry and improving the competitiveness of the enterprises.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus embodiments described above are merely illustrative, for example, of the flowcharts and block diagrams in the figures that illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes. It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (9)
1. The gas representation value error verification device is characterized by comprising a rotating disc, a first target to be detected, an actual volume verification device, a first target sensing device and a controller, wherein the first target to be detected is arranged on the rotating disc, the rotating disc is used for driving the first target to be detected to rotate, the first target sensing device and the actual volume verification device are respectively and electrically connected with the controller, the actual volume verification device is used for detecting the actual volume of passing gas, the first target sensing device is used for generating a first pulse signal when detecting the first target to be detected, and transmitting the first pulse signal to the controller, and the controller is used for calculating a large and medium flow point indication value error according to the times of receiving the first pulse signal, the preset revolution volume and the actual volume of passing gas;
the gas representation value error verification device further comprises a plurality of second targets to be detected and a second target sensing device, the first targets to be detected are located on the circumference of the first radius of the rotating disc, the plurality of second targets to be detected are arranged on the circumference of the second radius of the rotating disc at equal intervals, the first radius is larger than the second radius, the second target sensing device is arranged at intervals with the first target sensing device, the second target sensing device is electrically connected with the controller, the second target sensing device is used for generating a second pulse signal when one second target to be detected is detected, and transmitting the second pulse signal to the controller, and the controller is used for calculating a gas meter indication value according to the number of the second targets to be detected, the preset value of the revolution volume and the number of times of receiving the first pulse signal, calculating the actual gas volume passing through the gas meter according to the number of the second targets to be detected, the actual value of the revolution volume of the movement and the number of times of receiving the second pulse signal, and calculating the actual gas meter error value passing through the gas meter.
2. The gas representative value error verification device according to claim 1, wherein the controller is further configured to determine whether the large and medium flow point representative value error is within a preset first threshold range, and if so, generate a verification pass result, and if not, generate a verification fail result.
3. The gas representation value error verification device according to claim 1, wherein the first object to be detected is a magnet and the first object sensing device is a magnetically sensitive element.
4. The gas representation value error verification device according to claim 1, wherein the first object to be detected is a reflective cursor and the first object sensing device is a photoelectric sensor.
5. The gas representation value error verification device according to claim 1, wherein the second object to be detected is a magnet and the second object sensing device is a magnetically sensitive element.
6. The gas representation value error verification device according to claim 1, wherein the second object to be detected is a reflective cursor, and the second object sensing device is a photoelectric sensor.
7. The gas representative value error verification device according to claim 1, wherein the controller is further configured to determine whether the small flow point indication value error is within a preset second threshold range, and if so, generate a verification pass result, and if not, generate a verification fail result.
8. The gas representation value error verification device according to claim 1, further comprising a change-over switch, wherein the first target sensing device, the change-over switch and the controller are electrically connected in sequence, the second target sensing device, the change-over switch and the controller are electrically connected in sequence, and the controller is further configured to determine whether the frequency of the received first pulse signal is lower than a preset frequency, and if the frequency of the received first pulse signal is lower than a preset frequency value, control the change-over switch to be turned on with the second target sensing device.
9. The gas representative value error verification device of claim 1, further comprising a register electrically connected to the controller.
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| CN109141774B (en) * | 2018-08-15 | 2020-02-21 | 山东拙诚智能科技有限公司 | Method for realizing gas safety management by registering gas-using equipment to gas meter |
| CN114001787B (en) * | 2020-07-17 | 2023-05-05 | 成都秦川物联网科技股份有限公司 | Dual-speed photoelectric sampling method for intelligent gas meter of Internet of things |
| CN114018355B (en) * | 2020-07-17 | 2023-05-09 | 成都秦川物联网科技股份有限公司 | Internet of things intelligent gas meter double-speed photoelectric sampling device |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1246403A (en) * | 1968-02-01 | 1971-09-15 | Mohammad Kian Mirdadian | Apparatus and method for testing electronic counting systems |
| DE2630149A1 (en) * | 1975-07-09 | 1977-01-13 | Renault | READING DEVICE OF A FLOW METER FOR LIQUIDS |
| US4481805A (en) * | 1981-06-03 | 1984-11-13 | F. H. Maloney Company | Meter prover apparatus and method |
| CN87102221A (en) * | 1986-04-21 | 1987-11-11 | 美国仪表公司 | The calibration system of automatic gas capacity correction device |
| JPH08136326A (en) * | 1994-11-09 | 1996-05-31 | Tokyo Gas Co Ltd | Flow-rate compensating device of gas meter |
| JPH08201147A (en) * | 1995-01-31 | 1996-08-09 | Tokyo Gas Co Ltd | Flow rate corrector for flowmeter |
| CN102538894A (en) * | 2010-12-13 | 2012-07-04 | 松下电器产业株式会社 | Gas measurement device and checking system |
| CN102607662A (en) * | 2012-03-16 | 2012-07-25 | 张学亮 | Laser counting method and laser counting system of wheel type metering instrument |
| CN103278220A (en) * | 2013-06-05 | 2013-09-04 | 中国计量学院 | Method for rapidly verifying intrinsic errors of membrane type gas meter and device thereof |
| CN203376033U (en) * | 2013-03-12 | 2014-01-01 | 重庆前卫克罗姆表业有限责任公司 | Portable on-line detector used for detecting gas meter |
| CN203376035U (en) * | 2013-06-20 | 2014-01-01 | 浙江蓝宝石仪表科技有限公司 | Device for detecting fundamental errors of industrial membrane type gas meter |
| CN104568083A (en) * | 2015-01-22 | 2015-04-29 | 成都秦川科技发展有限公司 | Mechanical counter and method for measuring electro-mechanical transformation durability of gas meter by the same |
| CN104697611A (en) * | 2015-03-13 | 2015-06-10 | 成都秦川科技发展有限公司 | High speed off-line device for endurance test of gas meter counter |
| CN204514440U (en) * | 2015-03-13 | 2015-07-29 | 成都秦川科技发展有限公司 | Gas meter counter durability test high speed off-line equipment |
| CN204963959U (en) * | 2015-04-27 | 2016-01-13 | 杭州市余杭区质量计量监测中心 | Improve device of diaphragm type gas table error examination speed |
| CN206192424U (en) * | 2016-10-31 | 2017-05-24 | 广州新奥燃气有限公司 | Gas system of family |
-
2017
- 2017-12-07 CN CN201711283066.6A patent/CN107764375B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1246403A (en) * | 1968-02-01 | 1971-09-15 | Mohammad Kian Mirdadian | Apparatus and method for testing electronic counting systems |
| DE2630149A1 (en) * | 1975-07-09 | 1977-01-13 | Renault | READING DEVICE OF A FLOW METER FOR LIQUIDS |
| US4481805A (en) * | 1981-06-03 | 1984-11-13 | F. H. Maloney Company | Meter prover apparatus and method |
| CN87102221A (en) * | 1986-04-21 | 1987-11-11 | 美国仪表公司 | The calibration system of automatic gas capacity correction device |
| JPH08136326A (en) * | 1994-11-09 | 1996-05-31 | Tokyo Gas Co Ltd | Flow-rate compensating device of gas meter |
| JPH08201147A (en) * | 1995-01-31 | 1996-08-09 | Tokyo Gas Co Ltd | Flow rate corrector for flowmeter |
| CN102538894A (en) * | 2010-12-13 | 2012-07-04 | 松下电器产业株式会社 | Gas measurement device and checking system |
| CN102607662A (en) * | 2012-03-16 | 2012-07-25 | 张学亮 | Laser counting method and laser counting system of wheel type metering instrument |
| CN203376033U (en) * | 2013-03-12 | 2014-01-01 | 重庆前卫克罗姆表业有限责任公司 | Portable on-line detector used for detecting gas meter |
| CN103278220A (en) * | 2013-06-05 | 2013-09-04 | 中国计量学院 | Method for rapidly verifying intrinsic errors of membrane type gas meter and device thereof |
| CN203376035U (en) * | 2013-06-20 | 2014-01-01 | 浙江蓝宝石仪表科技有限公司 | Device for detecting fundamental errors of industrial membrane type gas meter |
| CN104568083A (en) * | 2015-01-22 | 2015-04-29 | 成都秦川科技发展有限公司 | Mechanical counter and method for measuring electro-mechanical transformation durability of gas meter by the same |
| CN104697611A (en) * | 2015-03-13 | 2015-06-10 | 成都秦川科技发展有限公司 | High speed off-line device for endurance test of gas meter counter |
| CN204514440U (en) * | 2015-03-13 | 2015-07-29 | 成都秦川科技发展有限公司 | Gas meter counter durability test high speed off-line equipment |
| CN204963959U (en) * | 2015-04-27 | 2016-01-13 | 杭州市余杭区质量计量监测中心 | Improve device of diaphragm type gas table error examination speed |
| CN206192424U (en) * | 2016-10-31 | 2017-05-24 | 广州新奥燃气有限公司 | Gas system of family |
Non-Patent Citations (1)
| Title |
|---|
| "标准湿式气体流量计回转误差的探讨";沈文新 等;《计量技术》(第11期);第47-49页 * |
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