CN2114148U - Means for testing or calibrating water meter using microcomputers - Google Patents
Means for testing or calibrating water meter using microcomputers Download PDFInfo
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- CN2114148U CN2114148U CN 92213258 CN92213258U CN2114148U CN 2114148 U CN2114148 U CN 2114148U CN 92213258 CN92213258 CN 92213258 CN 92213258 U CN92213258 U CN 92213258U CN 2114148 U CN2114148 U CN 2114148U
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- water meter
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Abstract
The utility model relates to a means for testing or calibrating water meter using microcomputers, which comprises a water inlet valve, a water outlet valve, a standard meter, a calibrated meter and two sensors, wherein, the water inlet valve and the water outlet valve are installed on a pipeline; through photoelectric measurement, the sensors make the instantaneous flowrate information of the standard meter and the calibrated meter changed into electric pulse signals which are respectively input into a microcomputer chronographic recorder. The microcomputer chronographic recorder comprises a master control board which processes and conveys signals of the calibrated meter and the standard meter to a computer, a number-set board which makes the meter constant of each flowrate point of the standard meter read in the computer, a display board which can display computed results and operating states, a keyboard and a machine body. Therefore, the utility model has the advantage of high calibrating precision, and the time that errors are tested is shortened one-tenth of the time of the prior art.
Description
The utility model relates to a kind of device of verification water meter, particularly tests the device of school water meter with microcomputer.
Prior art is with graduated cylinder method verification water meter, be that water flows through and entered the standard volume tube behind the water meter of school, the volume of reflection water outlet on the rule of standard graduated cylinder, operating personnel read respectively by the count value of school water meter and standard graduated cylinder, carrying out human error again calculates, surpass required standard as error, need to adjust, carry out verification again by the school water meter.According to the rules, every water meter will select four flow points to carry out verification, general water meter of verification need be with premium on currency more than 500, checking time is 40-50 minute, so production efficiency is very low, and from the flow regulation to the stability of flow, the speed of closing valve, also have water consumption what, all be manual operation control by the reading of school water meter and standard graduated cylinder, the result of different people's verifications is also different, human factor has influenced the degree of accuracy of verification.
The utility model has proposed a kind of human factor that do not relate at the deficiencies in the prior art, with the device of photoelectric measurement, microcomputer verification water meter.
Task of the present utility model is to realize like this, the utility model is a kind of device with microcomputer verification water meter, comprise the water intaking valve that is contained on the pipeline, outlet valve, the standard water meter is housed on the pipeline between water intaking valve and the outlet valve, between standard water meter and the outlet valve, the pipeline that can pack into by the school water meter is arranged, there are two can change the sensor that electric impulse signal is imported the microcomputer chronographic recorder respectively into by the reflecting light electrical measurement with the standard water meter with by the instantaneous delivery information of school water meter, the microcomputer chronographic recorder comprises the master control borad that is sent the computing machine counting after the processing of the pulse signal of school water meter and standard water meter with sensor sample, the meter constant of each flow point of standard water meter can be read in the several plates of putting of computing machine according to operating personnel's selection, can show the flow parameter that COMPUTER CALCULATION goes out and the display board of each duty, and the address bus on each plate, data bus, control bus and ribbon gymnastics are made the panel of keyboard.Sensor comprises case, chassis, can make electric impulse signal amplify the wiring board of shaping, light-emitting component and light activated element are contained in respectively in the luminous and receiving cable on chassis, and link to each other with wiring board, the wiring board output terminal joins with the input socket that shielding line passes gland and microcomputer chronographic recorder.The housing of standard water meter with by school water meter case structure basically identical, and pointer is the pointer that is directly driven by the impeller propelled central shaft, the lower plane of pointer top cloche is lower than the last plane of water meter water delivering orifice.Glass rotameter is equipped with at water delivering orifice place at device.Have before the water intaking valve and can make the fixed buffer tank of hydraulic pressure weighing apparatus.There is the worktable of band drip tray the below of calibration operation place.
The utility model compared with prior art, owing to taked the device of photoelectricity sampling, microcomputer verification water meter, not only eliminated the influence of human factor to check results, checking precision and production efficiency have been improved greatly, water meter error detection time shortens to about 1/10th of prior art, reduced production cost, and to change static reading down be dynamic reading, check results and water consumption are not got in touch.The standard water list index that the utility model is special is directly driven by central shaft, thereby the rotating speed of standard scale is very fast, and the instantaneous delivery of measuring is very accurate.Moreover glass rotameter is equipped with at the water delivering orifice place, can in time find the up-set condition of standard scale.
Fig. 1 is a general construction synoptic diagram of the present utility model.
Fig. 2 is the structural representation of sensor of the present utility model.
Fig. 3 is the structural representation of standard scale of the present utility model.
Fig. 4 is the hardware synoptic diagram of microcomputer chronographic recorder of the present utility model.
Fig. 5 is the synoptic diagram of microcomputer chronographic recorder panel of the present utility model.
Fig. 1, Fig. 2, Fig. 3, Fig. 4, figure soil is an embodiment of the present utility model, among the figure, it is the device with microcomputer verification water meter described in the utility model, comprise the water intaking valve (10) that is contained on the pipeline, outlet valve (7), on the pipeline between water intaking valve (10) and the outlet valve (7), standard water meter (3) is housed, between standard water meter (3) and the outlet valve (7), the pipeline that can pack into by school water meter (9) is arranged, there are two can and be changed into electric impulse signal by the reflecting light electrical measurement with standard water meter (3) and import the sensor of microcomputer chronographic recorder (4) respectively by the instantaneous delivery information of school water meter (9), (6), microcomputer chronographic recorder (5) comprises sensor (4), (6) master control borad that is sent the computing machine counting after the processing of the pulse signal of school water meter (9) and standard water meter (3) of sampling, the meter constant of each flow point of standard water meter (3) can be read in the several plates of putting of computing machine according to operating personnel's selection, can show the flow parameter that COMPUTER CALCULATION goes out and the display board of each duty, and the address bus on each plate (27), data bus (26), control bus (25) and ribbon gymnastics are made the panel of keyboard.Sensor (4), (6) comprise case (11), chassis (14), can make electric impulse signal amplify the wiring board (12) of shaping, light-emitting component (17) and light activated element (13) are contained in respectively in the luminous (16) and receiving cable (15) of chassis (14), and link to each other with wiring board (12), wiring board (12) output terminal joins with input socket (37), (38) that shielding line (18) passes gland (19) and microcomputer chronographic recorder (5).The housing (20) of standard water meter (3) with by school water meter case structure basically identical, and pointer (22) is to promote the pointer (22) that central shaft (24) directly drives by impeller (21), do not need gear drive, the lower plane of pointer (22) top cloche (23) is lower than the last plane of water meter water delivering orifice.Glass rotameter (39) is equipped with at water delivering orifice place at device.Water intaking valve (10) is preceding to be had and can make the fixed buffer tank (1) of hydraulic pressure weighing apparatus.There is the worktable of band drip tray (8) below of calibration operation place.Water inlet end at standard water meter (3) has for the telescopic joint (2) of being located usefulness by school water meter (9).In the microcomputer chronographic recorder (5), master control borad comprises and the distorted signal of sensor (4), (6) input can be transformed to signal conversion circuit, counting/timer (Z80CTC), central processing unit (Z80CPU), decoding scheme, program storage, data-carrier store, clock generating circuit, the reset circuit of the square-wave signal that equates with frequency input signal; Put dial switch, code translator, impact damper that several plates comprise each standard constant; Display board comprises and switching value conversion and the model that is suspended on the system data bus can be selected circuit, can be by the state indication interface circuit of status displays display system status information, can and be suspended to keyboard interface circuit on the system data bus with the switching value conversion, code translator, driving/latch and corresponding demonstration instantaneous delivery, the verification water consumption, the display on panel (28) of relative error, (29), (30), the check key (32) and the corresponding status indicator lamp (31) that also have each flow point on the panel, reset key (34), power switch (33), model is selected waver (35), two sensors input socket (38), (37) and corresponding frequency pilot lamp (36).
Like this, install by the school water meter, energized, press reset key, the model options button is chosen desired location, Open valve, get rid of sewage, bubble in the whole device, with the pointer middle-end that two sensors are aimed at water meter respectively, select the check key of each flow point successively, can obtain the instantaneous delivery, water consumption of each flow point standard water meter and by the relative error of school water meter and standard water meter from display.
Claims (8)
1, a kind of device with microcomputer verification water meter, comprise the water intaking valve (10) that is contained on the pipeline, outlet valve (7), it is characterized in that on the pipeline between water intaking valve (10) and the outlet valve (7), standard water meter (3) being housed, between standard water meter (3) and the outlet valve (7), the pipeline that can pack into by school water meter (9) is arranged, there are two can and be changed into electric impulse signal by the reflecting light electrical measurement with standard water meter (3) and import the sensor of microcomputer chronographic recorder (4) respectively by the instantaneous delivery information of school water meter (9), (6), microcomputer chronographic recorder (5) comprises sensor (4), (6) master control borad that is sent the computing machine counting after the processing of the pulse signal of school water meter (9) and standard water meter (3) of sampling, the meter constant of each flow point of standard water meter (3) can be read in the several plates of putting of computing machine according to operating personnel's selection, can show the flow parameter that COMPUTER CALCULATION goes out and the display board of each duty, and the address bus on each plate (27), data bus (26), control bus (25) and ribbon gymnastics are made the panel of keyboard.
2, the device with microcomputer verification water meter according to claim 1, it is characterized in that sensor (4), (6) comprise case (11), chassis (14), can make electric impulse signal amplify the wiring board (12) of shaping, light-emitting component (17) and light activated element (13) are contained in respectively in the luminous (16) and receiving cable (15) of chassis (14), and link to each other with wiring board (12), wiring board (12) output terminal joins with input socket (37), (38) that shielding line (18) passes gland (19) and microcomputer chronographic recorder (5).
3, the device with microcomputer verification water meter according to claim 1, it is characterized in that the housing (20) of standard water meter (3) with by school water meter case structure basically identical, and pointer (22) is to promote the pointer (22) that central shaft (24) directly drives by impeller (21), and the lower plane of pointer (22) top cloche (23) is lower than the last plane of water meter water delivering orifice.
4, the device with microcomputer verification water meter according to claim 1 is characterized in that at the water delivering orifice place of device glass rotameter (39) being housed.
5, the device with microcomputer verification water meter according to claim 1, it is characterized in that the water intaking valve (10) of device preceding have can make the fixed buffer tank (1) of hydraulic pressure weighing apparatus.
6, the device with microcomputer verification water meter according to claim 1, there is the worktable of band drip tray (8) below that it is characterized in that calibration operation place.
7, the device with microcomputer verification water meter according to claim 1 is characterized in that having for the telescopic joint (2) of being located usefulness by school water meter (9) at the water inlet end of standard water meter (3).
8, the device with microcomputer verification water meter according to claim 1, it is characterized in that in the microcomputer chronographic recorder (5) that master control borad comprises and the distorted signal of sensor (4), (6) input can be transformed to signal conversion circuit, counting/timer (Z80CTC), central processing unit (Z80CPU), decoding scheme, program storage, data-carrier store, clock generating circuit, the reset circuit of the square-wave signal that equates with frequency input signal; Put dial switch, code translator, impact damper that several plates comprise each standard constant; Display board comprises and switching value conversion and the model that is suspended on the system data bus can be selected circuit, can be by the state indication interface circuit of status displays display system status information, can and be suspended to keyboard interface circuit on the system data bus with the switching value conversion, code translator, driving/latch and corresponding demonstration instantaneous delivery, the verification water consumption, the display on panel (28) of relative error, (29), (30), the check key (32) and the corresponding status indicator lamp (31) that also have each flow point on the panel, reset key (34), power switch (33), model is selected waver (35), two sensors input socket (38), (37) and corresponding frequency pilot lamp (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92213258 CN2114148U (en) | 1992-02-20 | 1992-02-20 | Means for testing or calibrating water meter using microcomputers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92213258 CN2114148U (en) | 1992-02-20 | 1992-02-20 | Means for testing or calibrating water meter using microcomputers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2114148U true CN2114148U (en) | 1992-08-26 |
Family
ID=4958018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92213258 Granted CN2114148U (en) | 1992-02-20 | 1992-02-20 | Means for testing or calibrating water meter using microcomputers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2114148U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368782C (en) * | 2005-12-28 | 2008-02-13 | 张祖明 | Flow standard measuring apparatus by photographic technique |
| CN101893464A (en) * | 2010-06-23 | 2010-11-24 | 宁波明泰流量设备有限公司 | High-precision and fast pulse metering device and method thereof |
| CN102288247A (en) * | 2011-09-08 | 2011-12-21 | 无锡水表有限责任公司 | Water meter and sampling method |
| CN103776564A (en) * | 2014-02-26 | 2014-05-07 | 北京皓辰捷创节能设备有限公司 | Calorimeter online detector and calorimeter matched with the same |
| CN112179440A (en) * | 2020-10-12 | 2021-01-05 | 危文强 | Intelligent water meter capable of accurately uploading data and water consumption record uploading method |
-
1992
- 1992-02-20 CN CN 92213258 patent/CN2114148U/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368782C (en) * | 2005-12-28 | 2008-02-13 | 张祖明 | Flow standard measuring apparatus by photographic technique |
| CN101893464A (en) * | 2010-06-23 | 2010-11-24 | 宁波明泰流量设备有限公司 | High-precision and fast pulse metering device and method thereof |
| CN102288247A (en) * | 2011-09-08 | 2011-12-21 | 无锡水表有限责任公司 | Water meter and sampling method |
| CN103776564A (en) * | 2014-02-26 | 2014-05-07 | 北京皓辰捷创节能设备有限公司 | Calorimeter online detector and calorimeter matched with the same |
| CN112179440A (en) * | 2020-10-12 | 2021-01-05 | 危文强 | Intelligent water meter capable of accurately uploading data and water consumption record uploading method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |