CN111238609B - Large-traffic ultrasonic water meter calibration platform - Google Patents
Large-traffic ultrasonic water meter calibration platform Download PDFInfo
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- CN111238609B CN111238609B CN202010131163.9A CN202010131163A CN111238609B CN 111238609 B CN111238609 B CN 111238609B CN 202010131163 A CN202010131163 A CN 202010131163A CN 111238609 B CN111238609 B CN 111238609B
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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
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Abstract
The invention relates to the technical field of water meter testing, and particularly discloses a large-flow ultrasonic water meter calibration platform, which comprises: the device comprises a pump water pipeline, a constant pressure pipeline, a flow calibration pipeline, a test tool table, an adjusting pipeline, a first collecting pipeline, a second collecting pipeline, a variable flow device, a metering water tank, a third collecting pipeline, a first drop water tank and a water return pipeline. The invention can realize the switching between the standard meter calibration method and the static quality calibration method to calibrate the water meter, widens the precision range of the measured water meter, and provides corresponding environment for different types of calibrated meters during calibration and improves the compatibility of the calibration platform by connecting multiple types of pump water pipelines in parallel, connecting multiple types of flow calibration pipelines in parallel, connecting multiple types of adjusting pipelines in parallel and connecting multiple types of metering water tanks.
Description
Technical Field
The invention belongs to the technical field of water meter testing, and particularly relates to a large-flow ultrasonic water meter calibration table.
Background
The water meter is used for metering water consumption of residents and municipal water, and is developed for many years, the water meter is derived from an original mechanical water meter to form various types of water meters, wherein the ultrasonic water meter is favored by users with the advantages of high precision, good reliability, wide range of measurement, long service life and the like, but the ultrasonic water meter is too sensitive, so that the factory calibration test of the water meter can be more accurate only when the test water pressure and the test flow required by factory test need to reach certain stability. For the calibration test of the ultrasonic water meter with large flow, the investment cost of the test board is large, but because the calibration precision grades of different water meters are different and the requirements for the flow environment during calibration are different, the water meters with different models cannot be compatible on the same calibration equipment, and if the compatibility is improved, a large amount of manpower and material cost is required.
Disclosure of Invention
The invention aims to provide a large-flow ultrasonic water meter calibration table, so that the defects of small calibration precision range and poor water meter compatibility of the conventional large-scale water meter calibration table are overcome.
In order to achieve the above object, the present invention provides a large flow ultrasonic water meter calibration table, comprising: one end of the pump water pipeline is connected with the water pool, and a first valve, a first water pump, a check valve and a second valve are sequentially connected in series from one end of the pump water pipeline to the other end of the pump water pipeline; the constant-pressure pipeline is connected with a constant-pressure water tank in series, and the other ends of the plurality of pump water pipelines are connected with the constant-pressure water tank; the flow calibration pipeline is sequentially connected with a third valve and an electromagnetic flowmeter in series from one end to the other end of the flow calibration pipeline, and one end of each of the flow calibration pipelines is connected with the other end of the constant-pressure pipeline in parallel; the test tool table comprises test tools and a tool table frame, wherein the test tools are internally provided with telescopic pipes with telescopic end parts, a plurality of test tools are arranged on the tool table frame at certain intervals, the heads and the tails of the adjacent telescopic pipes are aligned with each other, one end of the test tool table is provided with a fourth valve, the other end of the test tool table is provided with a fifth valve, and the fourth valve and the fifth valve are both connected with the telescopic pipes; the adjusting pipeline is sequentially connected with an electric adjusting valve and a sixth valve in series from one end to the other end of the adjusting pipeline; the first collecting pipeline is simultaneously communicated with the other ends of the flow calibration pipelines and one ends of the test tool tables; the second collecting pipeline is simultaneously communicated with one ends of the plurality of adjusting pipelines and the other ends of the plurality of test tool tables; the variable flow device is provided with an inflow end, a first outflow end and a second outflow end, the variable flow device can enable water flow to enter from the inflow end and then flow out from the first outflow end or the second outflow end, the first outflow end is communicated with the water pool, and the inflow end is connected with one end of a seventh valve; the metering water tank is provided with a water tank opening, the position of the water tank opening corresponds to that of the second outflow end, the metering water tank is arranged on the electronic scale, and the bottom of the metering water tank is connected with one end of the first drainage valve; a third collecting pipeline which is simultaneously connected with the other ends of the plurality of regulating pipelines and the other ends of the plurality of seventh valves; and the top of the first fall water tank is connected with the other ends of the first drainage valves, and the bottom of the first fall water tank is connected with the water pool through a second water pump.
Preferably, in the above technical scheme, the device further comprises a water return pipeline, wherein a second drop water tank and a third water pump are sequentially connected in series from one end to the other end of the water return pipeline, and the other end of the water return pipeline is connected with the water pool.
Preferably, in the above technical scheme, the water dispenser further comprises a second drain valve, one end of the second drain valve and one end of the fourth valve are connected in parallel to the end portion of the telescopic pipe, and the other end of the second drain valve is connected with the second drop water tank.
Preferably, in the above technical solution, the test fixture table further includes: the tool seat is arranged on the tool rack, and the fixed end of the telescopic pipe is fixed in the tool seat; the first air cylinder is arranged between the tool seat and the movable end of the telescopic pipe and used for driving the movable end of the telescopic pipe to stretch.
Preferably, in the above technical solution, a first isolation valve and a first exhaust valve are further connected in series in the middle of the first collecting pipeline.
Preferably, in the above technical solution, a second isolation valve is connected in series in the middle of the third collecting pipe.
Preferably, in the above technical solution, a first drain valve is connected to the second collecting line.
Preferably, among the above-mentioned technical scheme, the bottom of constant pressure water pitcher still is connected with the second blowoff valve, the constant pressure water pitcher still is connected with the one end of second discharge valve, the other end of second discharge valve with the pond is connected.
Preferably, in the above technical solution, the deflector includes: one end of the flow dividing hopper is provided with the first outflow end and the second outflow end, the other end of the flow dividing hopper is provided with a movable pipe, one end of the movable pipe is provided with the inflow end, and the other end of the movable pipe can swing between positions corresponding to the first outflow end and the second outflow end; and the second cylinder is connected with the other end of the movable pipe and is used for driving the movable pipe to swing.
Preferably, in the above technical scheme, the device further includes a flexible connecting member, which is respectively disposed at the connecting end of the first water pump, the connecting position of the constant pressure water tank and the constant pressure pipeline, the other end of the flow calibration pipeline, the connecting end of the fourth valve, one end of the regulating pipeline, the connecting end of the seventh valve, the connecting end of the second water pump, the connecting end of the third water pump, the connecting end of the first isolating valve, and the connecting end of the second isolating valve.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention simultaneously adopts the electromagnetic flowmeter and the metering water tank for calibration, can change different calibration precisions by switching two calibration modes, and can carry out on-line calibration on the electromagnetic flowmeter, thereby widening the precision range of the measured meter.
2. The invention provides corresponding environment for calibration test of the calibrated meters of different types through multi-type parallel pump water pipelines, multi-type parallel flow calibration pipelines, multi-type parallel adjusting pipelines and multi-type metering water tanks, improves the compatibility of the calibration platform and can realize the function of simultaneously calibrating the water meters of various types.
3. The water pump and the pipeline which is easy to vibrate are connected through the flexible connecting piece, so that the influence of vibration on the calibration result is reduced.
4. Be equipped with discharge valve and blowoff valve in the pipeline, not only promoted the degree of accuracy of electromagnetic flowmeter but also made its life-span extension.
Drawings
Fig. 1 is a pipeline connection diagram of a large-flow ultrasonic water meter calibration table.
Fig. 2 is an elevation view of the pump water line.
Fig. 3 is a structural view of a test fixture.
Figure 4 is a block diagram of a deflector and a metering tank.
Description of the main reference numerals:
1-a water pool, 11-a first valve, 12-a first water pump, 13-a check valve, 14-a second valve;
2-a constant pressure water tank, 21-a second blowdown valve, 22-a second exhaust valve;
3-electromagnetic flow meter, 31-third valve;
4-testing a tool, 41-a tool rack, 42-an extension pipe, 43-a fourth valve, 44-a fifth valve, 45-a tool seat and 46-a first cylinder;
5-electric regulating valve, 51-sixth valve;
6-a deflector, 61-a seventh valve, 62-a diversion hopper, 63-a movable pipe and 64-a second cylinder;
7-a metering water tank, 71-a water tank port, 72-an electronic scale, 73-a first drain valve;
8-a first drop water tank, 81-a second water pump;
9-a second drop water tank, 91-a third water pump, 92-a second drain valve, 93-a first isolation valve, 94-a first drain valve, 95-a second isolation valve, 96-a first drain valve and 97-a reducer pipe;
10-flexible connection.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
As shown in fig. 1 to 4, the calibration stand of the large-flow ultrasonic water meter in this embodiment includes: the device comprises a water pool 1, a first valve 11, a first water pump 12, a check valve 13, a second valve 14, a constant-pressure water tank 2, a second blow-down valve 21, a second exhaust valve 22, an electromagnetic flowmeter 3, a third valve 31, a test fixture 4, a fixture rack 41, an extension pipe 42, a fourth valve 43, a fifth valve 44, a fixture seat 45, a first air cylinder 46, an electric regulating valve 5, a sixth valve 51, a deflector 6, a seventh valve 61, a shunt bucket 62, a movable pipe 63, a second air cylinder 64, a metering water tank 7, a water tank opening 71, an electronic scale 72, a first exhaust valve 73, a first drop water tank 8, a second water pump 81, a second drop water tank 9, a third water pump 91, a second exhaust valve 92, a first isolation valve 93, a first exhaust valve 94, a second isolation valve 95, a first blow-down valve 96, a reducer pipe 97 and a flexible connecting piece 10.
Three pump water pipelines, it is DN200, DN350, DN400 respectively through the flow, the one end of three pump water pipelines all is connected with pond 1, it has first valve 11 to establish ties in proper order to the other end from the one end of every pump water pipeline, first water pump 12, check valve 13 and second valve 14, the flow of the first water pump 12 that corresponds separately on three pump water pipelines is 160m year after year/h respectively, 600m year after year/h, 1000m year after year/h, two link of first water pump 12 are respectively through a flexonics spare 10 and are pegged into to the pump water pipeline in.
Have a capacity to be 5 m's constant pressure water pitcher 2 of cultivating in series in the constant pressure pipeline, the other end of pump water pipeline is connected with the entry of constant pressure water pitcher 2, and a second blowoff valve 21 is installed to the bottom of constant pressure water pitcher 2, and the top of constant pressure water pitcher 2 is connected with the one end of second discharge valve 22, and the other end of second discharge valve 22 is connected with pond 1.
Five flow calibration pipelines with the flow rates of DN15, DN40, DN100, DN200 and DN200 respectively, wherein a third valve 31, an electromagnetic flowmeter 3 and a flexible connecting piece 10 are sequentially connected in series from one end to the other end of each flow calibration pipeline, and one ends of the five flow calibration pipelines are simultaneously connected in parallel with the other end of the constant pressure pipeline; the outlet of the constant pressure water tank 2 is connected with one end of the flow calibration pipeline through a flexible connecting piece 10.
With continued reference to fig. 1 and 3, the test tooling table includes a test tooling 4 and a tooling rack 41, the test tooling 4 is composed of a tooling seat 45, a telescopic tube 42 and a cylinder; a plurality of tool seats 45 are fixed on the tool rack 41 at certain intervals from one end to the other end of the test tool table; one end of the telescopic pipe 42 is a fixed end and the other end is a movable end, the fixed end is fixed in the tool seat 45, and the movable end can be telescopic; the first air cylinder 46 is installed on the tooling seat 45, and the movable end of the first air cylinder 46 is connected with the movable end of the telescopic pipe 42, so that the first air cylinder 46 can drive the movable end of the telescopic pipe 42 to extend and retract; the fixed ends and the movable ends of the telescopic pipes 42 in the two adjacent test tools 4 are aligned end to end; the extension tube 42 in the test fixture 4 positioned at one end of the test fixture table is connected with one end of the fourth valve 43 through a flexible connecting piece 10, and the extension tube 42 in the test fixture 4 positioned at the other end of the test fixture table is connected with one end of the fifth valve 44; the calibration table in the embodiment is provided with seven test tool tables, and the flow rates of the calibration water meters are DN50, DN80, DN100, DN150, DN200, DN250 and DN300 respectively.
The flow rates of the seven regulating pipelines are DN15, DN50, DN100, DN200, DN50, DN100 and DN300 respectively, and the flexible connecting piece 10, the electric regulating valve 5 and the sixth valve 51 are sequentially connected in series from one end to the other end of the regulating pipelines.
The first collecting pipeline consists of two sections of pipelines, the passing flow rates of the two sections of pipelines are DN200 and DN400 respectively, and the two sections of pipelines are connected with each other through a first isolating valve 93, a flexible connecting piece 10 and a first exhaust valve 94 which are connected in series; the first collecting pipeline of the DN200 section is simultaneously connected with one end of four testing tool tables with the calibration models of DN50, DN80, DN100 and DN150, and the first collecting pipeline of the DN200 section is also simultaneously connected with the other end of three flow calibration pipelines with the flow of DN15, DN40 and DN 100; the first collecting pipeline of the DN400 section is simultaneously connected with one end of three test tool tables with the calibration models of DN200, DN250 and DN300, and the first collecting pipeline of the DN400 section is also simultaneously connected with the other end of the other two flow calibration pipelines with the flow of DN 200.
The second collecting pipeline is divided into two sections, and the two sections have the through flow rates of DN200 and DN400 respectively; the second collecting pipeline of the DN200 section is simultaneously connected with the other ends of four testing tool tables with the calibration models of DN50, DN80, DN100 and DN150, and the second collecting pipeline of the DN200 section is also simultaneously connected with one ends of four adjusting pipelines with the flow rates of DN15, DN50, DN100 and DN 200; the second collecting pipeline of the DN400 section is simultaneously connected with the other ends of three testing tool tables with the calibrated models of DN200, DN250 and DN300, and the second collecting pipeline of the DN400 section is also simultaneously connected with one end of the other three adjusting pipelines with the flow rates of DN50, DN100 and DN 300.
With continued reference to fig. 1 and 4, the deflector 6 is comprised of a diversion hopper 62, a movable tube 63, and a second cylinder 64. One end of the diversion hopper 62 is provided with a first outflow end and a second outflow end, one end of the movable pipe 63 at the other end of the diversion hopper 62 is hinged with each other, one end of the movable pipe 63 is provided with an inflow end, and the other end of the movable pipe 63 can swing between the positions corresponding to the first outflow end and the second outflow end; the end of the push rod of the second cylinder 64 is hinged to the other end of the movable tube 63, and the push rod of the second cylinder 64 can drive the other end of the movable tube 63 to swing. The calibration table is provided with three variable flow devices 6 in total, wherein inflow ends of two variable flow devices 6 are respectively connected with one end of a seventh valve 61 through inflow end pipelines with flow rates of DN50 and DN100, and a flexible connecting piece 10 is further arranged at the connection position of the seventh valve 61 on the two inflow end pipelines; the inflow end of the other deflector 6 is directly connected with the other end of the regulating pipeline with the flow rate of DN15 through an inflow end pipeline of DN 15.
Three metering water tanks 7, the capacity of which is respectively: 60kg, 0.6t and 6t, wherein the three metering water tanks 7 correspond to three flow changing devices 6 with inflow pipeline models of DN15, DN50 and DN100 respectively; the metering water tank 7 is provided with a water tank port 71, the water tank port 71 is respectively positioned below the second outflow ends of the three deflectors 6, the metering water tank 7 is fixed on an electronic scale 72, the bottom of each metering water tank 7 is respectively connected with the top of the first drop water tank 8 through a first drainage valve 73, the first outflow ends of the three deflectors 6 are respectively communicated with the water tank 1, and the bottom of the first drop water tank 8 is communicated with the water tank 1 through a second water pump 81 and a flexible connecting piece 10.
The third collecting pipeline consists of two sections of pipelines, the flow rates of the two sections of pipelines are DN400, and the two sections of pipelines are connected with each other through a second isolation valve 95 and a flexible connecting piece 10 which are connected in series; one section of the third collecting pipeline is simultaneously connected with the other ends of the three regulating pipelines with the flow rates of DN50, DN100 and DN200 and the other end of the seventh valve 61 on the inflow end pipeline with the flow rates of DN50 and DN 100; the other section of the third collecting pipeline is simultaneously connected with the other ends of the three regulating pipelines with the flow rates of DN50, DN100 and DN300, the section of the third collecting pipeline is also connected with a pipeline with the flow rate of DN400, and the pipeline of DN400 is directly communicated with the water pool 1 through a seventh valve 61.
The water meter calibration platform also comprises a water return pipeline and a second drain valve 92, wherein a second drop water tank 9, a third water pump 91 and a flexible connecting piece 10 are sequentially connected in series from one end of the water return pipeline to the other end of the water return pipeline, and the other end of the water return pipeline is connected with the water pool 1; one end of the second drain valve 92 and one end of the fourth valve 43 are connected in parallel to the end of the telescopic pipe 42 in each test tool table, and the other end of the second drain valve 92 is connected to the second drop water tank 9.
The first to seventh valves in this embodiment, the first drain valve 73 and the second drain valve 92 are pneumatic butterfly valves.
The measurement accuracy of the electronic scale 72 in this embodiment is higher than that of the electromagnetic flowmeter 3, so that the electronic scale 72 can be used to calibrate the water meter with higher accuracy by using a static mass calibration method, the electromagnetic flowmeter 3 can be used to calibrate the water meter with lower accuracy by using a standard meter calibration method, and the electronic scale 72 can be directly used to calibrate the accuracy of the electromagnetic flowmeter 3 on line.
According to the embodiment, the regulating pipelines which are connected in parallel can be matched and combined through the related valve turn-off strategy and the second collecting pipeline, so that the measuring environment of the corresponding water meter to be calibrated is met; through the related valve shutoff strategy and the first collecting pipeline, the parallel flow calibration pipelines can be matched and combined, so that the requirement of the corresponding calibrated water meter on the electromagnetic flow meter when the calibration is carried out by using a standard meter calibration method is met; through a related valve shutoff strategy and a third collecting pipeline, metering water tanks with different volumes can be selected, so that the requirement of a corresponding calibrated water meter on a calibration water tank when the calibration is carried out by using a static quality calibration method is met.
In conclusion, the invention can realize the switching between the standard meter calibration method and the static quality calibration method to calibrate the water meter, broadens the precision range of the measured water meter, and provides corresponding calibration environment for the calibrated meters of different models and improves the compatibility of the calibration platform by connecting a plurality of types of pump water pipelines in parallel, connecting a plurality of types of flow calibration pipelines in parallel, connecting a plurality of types of adjusting pipelines in parallel and connecting a plurality of types of metering water tanks in parallel.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a large-traffic ultrasonic water meter calibration platform which characterized in that includes:
one end of the pump water pipeline is connected with the water pool (1), and a first valve (11), a first water pump (12), a check valve (13) and a second valve (14) are sequentially connected in series from one end of the pump water pipeline to the other end of the pump water pipeline;
the constant-pressure pipeline is connected with a constant-pressure water tank (2) in series, and the other ends of the plurality of pump water pipelines are connected with the constant-pressure water tank (2);
the flow calibration pipeline is sequentially connected with a third valve (31) and an electromagnetic flow meter (3) in series from one end to the other end of the flow calibration pipeline, and one ends of the flow calibration pipelines are connected in parallel with the other end of the constant pressure pipeline;
the test tool table comprises test tools (4) and a tool rack (41), telescopic pipes (42) with telescopic end parts are arranged in the test tools (41), the test tools (4) are arranged on the tool rack (41) at certain intervals, the heads and the tails of the adjacent telescopic pipes (42) are aligned with each other, one end of the test tool table is provided with a fourth valve (43), the other end of the test tool table is provided with a fifth valve (44), and the fourth valve (43) and the fifth valve (44) are both connected with the telescopic pipes (42);
the regulating pipeline is sequentially connected with an electric regulating valve (5) and a sixth valve (51) in series from one end to the other end of the regulating pipeline;
the first collecting pipeline is simultaneously communicated with the other ends of the flow calibration pipelines and one ends of the test tool tables;
the second collecting pipeline is simultaneously communicated with one ends of the plurality of adjusting pipelines and the other ends of the plurality of test tool tables;
the variable flow device (6) is provided with an inflow end, a first outflow end and a second outflow end, the variable flow device can enable water flow to enter from the inflow end and then flow out from the first outflow end or the second outflow end, the first outflow end is communicated with the water pool (1), and the inflow end is connected with one end of a seventh valve (61);
the metering water tank (7) is provided with a water tank opening (71), the position of the water tank opening (71) corresponds to that of the second outflow end, the metering water tank (7) is arranged on an electronic scale (72), and the bottom of the metering water tank (7) is connected with one end of a first drainage valve (73);
a third collecting line connected to the other ends of the plurality of regulating lines and the other ends of the plurality of seventh valves (61) at the same time; and
the top of the first fall water tank (8) is connected with the other ends of the first drain valves (73), and the bottom of the first fall water tank (8) is connected with the water pool (1) through a second water pump (81).
2. The high-flow ultrasonic water meter calibration table according to claim 1, further comprising a water return pipeline, wherein a second drop water tank (9) and a third water pump (91) are sequentially connected in series from one end to the other end of the water return pipeline, and the other end of the water return pipeline is connected with the water tank (1).
3. The high-flow ultrasonic water meter calibration table according to claim 2, further comprising a second drain valve (92), wherein one end of the second drain valve (92) and one end of the fourth valve (43) are simultaneously connected in parallel to the end of the telescopic pipe (42), and the other end of the second drain valve (92) is connected to the second drop water tank (9).
4. The high-flow ultrasonic water meter calibration table according to claim 3, wherein the test fixture table further comprises:
the tooling seat (45) is arranged on the tooling rack (41), and the fixed end of the telescopic pipe (42) is fixed in the tooling seat (45);
and the first air cylinder (46) is arranged between the tool seat (45) and the movable end of the telescopic pipe (42) and is used for driving the movable end of the telescopic pipe (42) to extend and retract.
5. The calibration table for the large-flow ultrasonic water meter according to claim 4, wherein a first isolation valve (93) and a first exhaust valve (94) are further connected in series in the middle of the first collecting pipeline.
6. The high-flow ultrasonic water meter calibration stand according to claim 5, wherein a second isolation valve (95) is connected in series in the middle of the third collection pipeline.
7. The high-flow ultrasonic water meter calibration stand according to claim 1, characterized in that a first drain valve (96) is connected in the second collection line.
8. The large-flow ultrasonic water meter calibration table according to claim 1, wherein a second blowoff valve (21) is further connected to the bottom of the constant-pressure water tank (2), the constant-pressure water tank (2) is further connected to one end of a second exhaust valve (22), and the other end of the second exhaust valve (22) is connected to the water tank (1).
9. The high flow ultrasonic water meter calibration stand of claim 1, wherein the deflector comprises:
the flow dividing hopper (62) is provided with a first outflow end and a second outflow end at one end, a movable pipe (63) is arranged at the other end of the flow dividing hopper (62), the inflow end is arranged at one end of the movable pipe (63), and the other end of the movable pipe (63) can swing between positions corresponding to the first outflow end and the second outflow end;
and the second air cylinder (64) is connected with the other end of the movable pipe (63) and is used for driving the movable pipe (63) to swing.
10. The large-flow ultrasonic water meter calibration table according to claim 6, further comprising a flexible connection member (10) respectively disposed at the connection end of the first water pump (12), the connection position of the constant-pressure water tank (2) and the constant-pressure pipeline, the other end of the flow calibration pipeline, the connection end of the fourth valve (43), one end of the adjustment pipeline, the connection end of the seventh valve (61), the connection end of the second water pump (81), the connection end of the third water pump (91), the connection end of the first isolation valve (93), and the connection end of the second isolation valve (95).
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749112A (en) * | 2012-05-16 | 2012-10-24 | 浙江金卡高科技股份有限公司 | Continuous production line for gas meter and production process flow |
| CN104596620A (en) * | 2015-02-02 | 2015-05-06 | 姜跃炜 | Ultrasonic water meter flow calibration standard device |
| CN209745378U (en) * | 2019-05-16 | 2019-12-06 | 上海市供水水表强制检定站有限公司 | Water meter calibrating installation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9891089B2 (en) * | 2013-04-15 | 2018-02-13 | OW Investors, LLC. | Modular fluid meter test bench |
| DE102006033611B4 (en) * | 2006-07-18 | 2010-04-08 | Hydrometer Gmbh | Gas phase correction for ultrasonic flowmeter |
| US9702751B2 (en) * | 2013-04-15 | 2017-07-11 | Floyd Stanley Salser, JR. | Dual measurement tank with nested structure |
| CN105675644B (en) * | 2016-01-13 | 2016-09-28 | 石家庄铁道大学 | A kind of seal test device of constant temperature and pressure |
| CN105651361B (en) * | 2016-03-10 | 2020-04-21 | 深圳市阿美特科技有限公司 | Automatic pressure regulating, detecting and calibrating device and method for ultrasonic water meter |
| US10139257B2 (en) * | 2016-04-01 | 2018-11-27 | King Fahd University Of Petroleum And Minerals | Multiphase meter calibration system and methods thereof |
| CN209689716U (en) * | 2019-05-09 | 2019-11-26 | 杭州中沛电子有限公司 | A kind of ultrasonic water meter automatic calibration device |
| CN210051414U (en) * | 2019-06-29 | 2020-02-11 | 泰安鑫海泰传感器有限公司 | Ultrasonic water meter transducer detection table |
-
2020
- 2020-02-28 CN CN202010131163.9A patent/CN111238609B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749112A (en) * | 2012-05-16 | 2012-10-24 | 浙江金卡高科技股份有限公司 | Continuous production line for gas meter and production process flow |
| CN104596620A (en) * | 2015-02-02 | 2015-05-06 | 姜跃炜 | Ultrasonic water meter flow calibration standard device |
| CN209745378U (en) * | 2019-05-16 | 2019-12-06 | 上海市供水水表强制检定站有限公司 | Water meter calibrating installation |
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Denomination of invention: A large flow ultrasonic water meter calibration table Effective date of registration: 20220822 Granted publication date: 20211102 Pledgee: Societe Generale Bank Limited by Share Ltd. Nanning branch Pledgor: Guangxi grace Instrument Technology Co.,Ltd. Registration number: Y2022450000140 |