CN202177435U - Household diaphragm gas meter on-line verification instrument - Google Patents
Household diaphragm gas meter on-line verification instrument Download PDFInfo
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- CN202177435U CN202177435U CN2011202864503U CN201120286450U CN202177435U CN 202177435 U CN202177435 U CN 202177435U CN 2011202864503 U CN2011202864503 U CN 2011202864503U CN 201120286450 U CN201120286450 U CN 201120286450U CN 202177435 U CN202177435 U CN 202177435U
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Abstract
一种家用膜式燃气表在线检定仪，包括用以采集燃气表显示窗的燃气数值的摄像头、用以安装在燃气通道上的标准流量计和用以依照标准流量计和燃气表数值进行比较进行检定的检定处理器，所述检定处理器包括：用以根据摄像头采集图像进行识别燃气数值的燃气数值读取单元，用以接收标准流量计的信号的标准流量读取单元，用以将燃气数值和标准流量进行比较的在线检定处理单元，所述摄像头与所述燃气数值读取单元连接，所述标准流量计与所述标准流量读取单元连接，所述燃气数值读取单元、标准流量读取单元均与所述在线检定处理单元连接。本实用新型提供一种实现在线检定、操作方便的家用膜式燃气表在线检定仪。
An on-line verification instrument for a household membrane gas meter, including a camera for collecting the gas value of the display window of the gas meter, a standard flow meter for installing on the gas channel, and a device for comparing the values of the standard flow meter and the gas meter. A verification processor for verification, the verification processor includes: a gas value reading unit used to identify the gas value according to the image collected by the camera, a standard flow reading unit used to receive the signal of the standard flow meter, and used to read the gas value An online verification processing unit for comparison with standard flow, the camera is connected to the gas value reading unit, the standard flow meter is connected to the standard flow reading unit, the gas value reading unit, standard flow reading unit The fetching units are all connected to the online verification processing unit. The utility model provides an on-line verification instrument for household membrane gas meters which realizes on-line verification and is easy to operate.
Description
Technical field
The utility model belongs to a kind of gas meter, flow meter testing apparatus.
Background technology
City common people's every household is exactly trade settlement people's livelihood measuring instrument at the diaphragm gas meter of usefulness, and whether its gas meter, flow meter accurate measurement, is directly connected to the interests of both sides of supply and demand.Diaphragm gas meter belongs to state compulsion calibrating measurement instrument, and the first cycle is 10 years, and along with the instrument growth of service time, gas meter, flow meter quality problems contradiction also will become increasingly conspicuous.Increasing combustion gas user is reflected in and uses the gas meter, flow meter quality problems, and the cry that the scene judge of requirement detects in rapid succession.The situation unusual to gas meter, flow meter metering or the user raises an objection need be delivered to testing agency with gas meter, flow meter usually and detect, can not in-line calibration, and troublesome poeration.
Summary of the invention
For overcome existing family expenses diaphragm gas meter can not in-line calibration, the deficiency of troublesome poeration, the utility model provides a kind of in-line calibration, easy to operate family expenses diaphragm gas meter in-line calibration appearance realized.
The utility model solves the technical scheme that its technical matters adopted:
A kind of family expenses diaphragm gas meter in-line calibration appearance; Comprise camera in order to the combustion gas numerical value of gathering the gas meter, flow meter display window, in order to be installed in the proving flowmeter on the blast tube and to compare the calibrating processor of examining and determine in order to secundum legem flowmeter and gas meter, flow meter numerical value; Said calibrating processor comprises: in order to discern the combustion gas numerical value reading unit of combustion gas numerical value according to the camera collection image; Normal flow reading unit in order to the signal of acceptance criteria flowmeter; In order to the in-line calibration processing unit that combustion gas numerical value and normal flow are compared; Said camera is connected with said combustion gas numerical value reading unit, and said proving flowmeter is connected with said normal flow reading unit, and said combustion gas numerical value reading unit, normal flow reading unit all are connected with said in-line calibration processing unit.
Further; Said normal flow is counted waist wheel flow sensor, and said waist wheel flow sensor comprises housing, end cap, measurement chamber and waist wheels, and the outlet of said housing is connected with end cap seal; The inner chamber of said housing is a measurement chamber, and the waist wheels are installed in the said measurement chamber.
Further again, the on the suction side of said normal stream measuring device is installed import wave breaker, the outlet side installation outlet wave breaker of said proving flowmeter.
Further, said import wave breaker or outlet wave breaker comprise shell, screen pack and flange, mounting filtering net in the said shell, said shell one end mounting flange.
The technical conceive of the utility model is: seized diaphragm gas meter and calibrating instrument flow sensor are connected in series during work; Flow detecting element clocklike rotatablely moves under the promotion of gaseous-pressure, the moving circle of revolution; To discharge a certain amount of combustion gas; The motion revolution of detecting element is changed through dynamoelectric signal, delivered to computing machine, the flow signal of seized gas meter, flow meter indicating value of synchro measure and flow sensor can obtain the error of indication.Be to improve the calibrating instrument precision, at its flow sensor import and export design wave breaker, to eliminate or to weaken pulsating flow from seized table and flow sensor.
The beneficial effect of the utility model mainly shows: the waist wheel flow sensor of small-bore, high precision, wide-range is as standard scale, both met in the transmission of quantity value accuracy requirement to standard, the measuring error that can examine and determine seized table under the different flow point again.At flow sensor import and export design wave breaker, improve measuring accuracy.The accumulative total indicating value of standard scale and seized table shows in real time,, can directly show or stores it as display unit with computing machine, the convenient in-line calibration of realizing the family expenses diaphragm gas meter.
Description of drawings
Fig. 1 is the structural representation of the utility model family expenses diaphragm gas meter in-line calibration appearance.
Fig. 2 is the structural representation of waist wheel flow sensor and wave breaker.
Fig. 3 is an in-line calibration appearance control system synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1～Fig. 3; A kind of family expenses diaphragm gas meter in-line calibration appearance; Comprise camera 3 in order to the combustion gas numerical value of gathering the gas meter, flow meter display window, in order to be installed in the proving flowmeter 8 on the blast tube and to compare the calibrating processor of examining and determine 1 in order to secundum legem flowmeter and gas meter, flow meter numerical value; Said calibrating processor 1 comprises: in order to discern the combustion gas numerical value reading unit of combustion gas numerical value according to the camera collection image; Normal flow reading unit in order to the signal of acceptance criteria flowmeter; In order to the in-line calibration processing unit that combustion gas numerical value and normal flow are compared; Said camera is connected with said combustion gas numerical value reading unit, and said proving flowmeter is connected with said normal flow reading unit, and said combustion gas numerical value reading unit, normal flow reading unit all are connected with said in-line calibration processing unit.
Said proving flowmeter 8 is waist wheel flow sensor; Said waist wheel flow sensor comprises housing 13, end cap 16, measurement chamber 15 and waist wheels 14; The outlet of said housing is connected with end cap seal, and the inner chamber of said housing is a measurement chamber, and the waist wheels are installed in the said measurement chamber.
The on the suction side of said normal stream measuring device is installed import wave breaker 7, the outlet side installation outlet wave breaker 9 of said proving flowmeter.
Said import wave breaker 7 or outlet wave breaker 9 comprise shell 10, screen pack 11 and flange 12, mounting filtering net in the said shell, said shell one end mounting flange.
In the present embodiment, said calibrating processor 1 is a notebook computer, also comprises with the fixing seized meter reading unit camera 3 of magnetic patch, connects flexible pipe 5, import wave breaker 7, waist wheel flow sensor 8, outlet wave breaker 9.Said import wave breaker 7 comprises housing 10, screen pack 11 and joint flange 12 with outlet wave breaker 9, can play rectification, air-flow buffer action.Said waist wheel flow sensor 8 comprises housing 13, waist wheels 14, measurement chamber 15, end cap 16.Form airtight, fixing measuring room between said waist wheels 14 and the measurement chamber 15, the moving circle of waist wheels 14 revolutions, the volume that output is fixing, this fixing volume is the bulking value of unit pulse representative, is called pulse equivalency C.During use, open gas admittance valve 2, combustion gas is through seized gas meter, flow meter 4, and said gas meter, flow meter 4 indicated values are gathered by camera 3.Said gas meter, flow meter 4 is connected through flexible pipe 5 with in-line calibration appearance import wave breaker 7.Waist wheel flow sensor 8 two ends all are equipped with wave breaker, weaken the pulsating flow from seized table and flow sensor.Size through regulating gas kitchen ranges ignition switch 6 changes instantaneous delivery.Notebook computer 1 receives from the instantaneous delivery pulse signal of waist wheel flow sensor 8 and the indicated value of camera 3 collections.Further; After single test finishes; Notebook computer 1 multiplies each other with pulse equivalency C through the instantaneous delivery pulse of accumulative total waist wheel flow sensor 8 and obtains the standard volume value, and relatively the standard volume value and seized table 4 indicated value of waist wheel flow sensor 8 obtain the error of indication under the current testing site.Notebook computer 1 is accomplished data processing and computing, forms form.
In-line calibration appearance control system synoptic diagram shown in Figure 3.Said waist wheel flow sensor 8 converts electric signal into through magneto-dependent sensor; Through delivering to the hardware circuit slave computer that MSP430 single-chip microcomputer etc. constitutes after the prime amplifier signal processing and amplifying; Carrying out 232 with host computer again communicates by letter; Arrive notebook computer 1 to data transfer, by host computer executable operations and calculating and demonstration output verification result.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202864503U CN202177435U (en) | 2011-08-09 | 2011-08-09 | Household diaphragm gas meter on-line verification instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202864503U CN202177435U (en) | 2011-08-09 | 2011-08-09 | Household diaphragm gas meter on-line verification instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202177435U true CN202177435U (en) | 2012-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202864503U Expired - Lifetime CN202177435U (en) | 2011-08-09 | 2011-08-09 | Household diaphragm gas meter on-line verification instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103604456A (en) * | 2013-12-09 | 2014-02-26 | 国家电网公司 | Automatic calibration system and automatic calibration method of pointer instrument |
| CZ304790B6 (en) * | 2012-11-29 | 2014-10-22 | Vysoká Škola Báňská-Technická Univerzita Ostrava | Autonomous system for contactless analysis of consumption meter state, distributed architecture formed by at least two autonomous systems and method of making consumption meter analysis |
| CN112378463A (en) * | 2020-10-29 | 2021-02-19 | 北京市万智生科技有限公司 | Remote water meter and method capable of thoroughly eliminating electromechanical conversion metering error |
-
2011
- 2011-08-09 CN CN2011202864503U patent/CN202177435U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ304790B6 (en) * | 2012-11-29 | 2014-10-22 | Vysoká Škola Báňská-Technická Univerzita Ostrava | Autonomous system for contactless analysis of consumption meter state, distributed architecture formed by at least two autonomous systems and method of making consumption meter analysis |
| 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 |
| CN103278220B (en) * | 2013-06-05 | 2015-09-30 | 中国计量学院 | A kind of method and device thereof diaphragm gas meter fundamental error being carried out to rapid verification |
| CN103604456A (en) * | 2013-12-09 | 2014-02-26 | 国家电网公司 | Automatic calibration system and automatic calibration method of pointer instrument |
| CN112378463A (en) * | 2020-10-29 | 2021-02-19 | 北京市万智生科技有限公司 | Remote water meter and method capable of thoroughly eliminating electromechanical conversion metering error |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160831 Address after: Lingxizhen Industrial Demonstration Park in Cangnan County of Wenzhou City, Zhejiang province 325800 Patentee after: DONGXING INTELLIGENT INSTRUMENT CO., LTD. OF ZHEJIANG CANGNAN INSTRUMENT GROUP CO., LTD. Address before: Hangzhou City, Zhejiang province 310013 Xihu District Tianmushan Road No. 222 Patentee before: Zhejiang Province Measure Science & Technology Research Institute Patentee before: Zhejiang Cangnan Instrument Factory |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120328 |