CN206847738U - A kind of water meter calibration - Google PatentsA kind of water meter calibration Download PDF
- Publication number
- CN206847738U CN206847738U CN201720167717.4U CN201720167717U CN206847738U CN 206847738 U CN206847738 U CN 206847738U CN 201720167717 U CN201720167717 U CN 201720167717U CN 206847738 U CN206847738 U CN 206847738U
- Prior art keywords
- conical section
- inner tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 abstract description 3
- 238000005303 weighing Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Originally drainage facility field is the utility model is related to, particularly discloses a kind of water meter calibration.It includes water tank, vacuum tank, meter-clamping apparatus, detection platform and flow adjustment pipe, a distributive pipe is picked out on pipeline between vacuum tank and meter-clamping apparatus, the other end of distributive pipe is connected with water tank, vacuum generator is provided with distributive pipe, vacuum generator includes water inlet pipe, connecting tube and outlet pipe, and water inlet pipe includes direct tube section and conical section, inner tube is provided with outlet pipe, gap is left between conical section and inner tube, connecting tube is connected with pressure gauge and the first four-way respectively.The utility model is because there is provided water inlet pipe, when current flow through conical section, because outlet attenuates, when current spray and enter inner tube, negative pressure will be produced at gap between conical section and inner tube, it is convenient, fast and thorough so as to which the exhaust tube connected by connection hole all takes the air in table to be measured away, so that the calibrating of water meter is more accurate, it is safer.
Originally drainage facility field is the utility model is related to, more particularly to a kind of water meter calibration.
The accuracy that water meter needs to measure before dispatching from the factory is examined and determine, and water meter calibration is not only convenient for administrative department of measurement pair Manufacture, the quality for the measurement instrument repaired, which exercise supervision, checks that ensure the to dispatch from the factory accuracy of water meter safeguard the vital interests of user It is effective that can also comply with utility network, intelligentized development trend provides the table tool that flexibility is high, extended capability is strong Meet the management requirement of Running-water Company and industry, but current apparatus for calibrating water meter is in the prevalence of shadow influenced by ambient temperature The problem of sound is big, complicated, poor accuracy, be also improved space.Therefore, applicant applied on May 30th, 2016 Application No. 2016205037079, patent name are the utility model patent of " a kind of apparatus for calibrating water meter ", and obtain reality Weighed with new patent, the patent has substantially solved above mentioned problem, but there are still the sordid problem of bubble cleaning in water meter.
（Three）The content of the invention
The defects of the utility model is in order to make up prior art, there is provided one kind can be with bubble in the clean water meter of thorough cleaning Water meter calibration.
The utility model is achieved by the following technical solution：
A kind of water meter calibration, including water tank, vacuum tank, meter-clamping apparatus, detection platform and flow adjustment pipe, detection are flat Platform includes collector, and flow adjustment pipe includes the first four-way, it is characterized in that, connect on the pipeline between vacuum tank and meter-clamping apparatus Go out the distributive pipe of a belt switch, the other end of distributive pipe is connected with water tank, and vacuum generator is provided with distributive pipe, described true Empty generator includes water inlet pipe, connecting tube and the outlet pipe being threadedly coupled successively, and the water inlet pipe includes direct tube section and conical section, Conical section is located in connecting tube, and inner tube is provided with the outlet pipe, and the internal diameter of inner tube is equal to the internal diameter of conical section, and conical section goes out Gap is left at mouthful between the import of inner tube, the internal diameter in the conical section exit and the length ratio of inner tube are 1:17- 18.5；The connecting tube is provided with two connecting holes, and one of connecting hole connects pressure gauge, and another connecting hole passes through pumping Pipe is connected on the first four-way.
The internal diameter in the conical section exit and the length ratio of inner tube are 9:160.
The beneficial effects of the utility model are：
The utility model is due to there is provided the water inlet pipe being made up of direct tube section and conical section, when current flow through conical section, Because outlet attenuates, when current spray and enter inner tube, negative pressure will be produced at the gap between conical section and inner tube, from It is convenient, fast and thorough so that water meter and the exhaust tube connected by connection hole all takes the air in table to be measured away Calibrating is more accurate, safer.
（Four）Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings：
Fig. 1 is main structure diagram of the present utility model；
Fig. 2 is the cross section structure diagram of vacuum generator.
In figure, 30 water inlet pipes, 301 direct tube sections, 302 conical sections, 31 connecting tubes, 32 outlet pipes, 33 inner tubes, 34 connecting holes, 35 gaps, 36 distributive pipes, 37 exhaust tubes, 38 pressure gauges, 39 switches, D internal diameters, d inner tube lengths；
41 water tanks, 42 water pumps, 43 vacuum tanks, 44 meter-clamping apparatus, 45 detection platforms, 451 mozzles, 452 collectors, 46 flows Adjust pipeline, 461 first four-ways, 47 commutators, 48 weighing containers.
Accompanying drawing is specific embodiment of the utility model.As shown in Figure 1 and Figure 2, this kind of water meter calibration, including PLC controls Water tank 41 that system processed connects with pipeline successively, water pump 42, vacuum tank 43, meter-clamping apparatus 44, detection platform 45, flow adjustment pipe 46th, commutator 47, weighing container 48, weighing container 48 are connected formation circulation with water tank 41 again, and whole device is by PLC control system Control, detection platform 45 include some mozzles 451 and collector 452, and the position of mozzle 451 and collector 452 can a left side Right regulation, the corresponding collector 452 of each water meter, water meter be located at below collector 452 during calibrating；Flow adjustment pipe 46 Including the first four-way 461；
The distributive pipe 36 of a belt switch 39 is picked out on pipeline between vacuum tank 43 and meter-clamping apparatus 44, distributive pipe 36 The other end is connected with water tank 41, and vacuum generator is provided with distributive pipe 36, and vacuum generator includes water inlet pipe 30, connecting tube 31 With outlet pipe 32, water inlet pipe 30 includes direct tube section 301 and conical section 302, and direct tube section 301 is threadedly coupled with connecting tube 31 and circle Cone section 302 is located in connecting tube 31, and outlet pipe 32 is threadedly coupled with connecting tube 31, and inner tube 33, inner tube are provided with outlet pipe 32 33 and outlet pipe 32 be made into integration, after water inlet pipe 30, connecting tube 31 connect together with outlet pipe 32, conical section 302 The port of export and inner tube 33 entrance point between leave gap 35, the internal diameter D of inner tube 33 is equal to the internal diameter D of conical section 302, circular cone The ratio between the internal diameter D and inner tube length d in 302 exits of section are 1:17-18.5 preferably 9:160, that is to say, that conical section 302 goes out Internal diameter D at mouthful is 9mm, and inner tube length d is 160mm；Two connecting holes 34 are provided with connecting tube 31, one is taken out for connection Tracheae 37, exhaust tube 37 are welded on the connecting hole, and the other end of exhaust tube 37 is connected on the first four-way 461；Another is used for Pressure gauge 38 is connected, a pipe is welded on the connecting hole, then pressure gauge 38 is installed on pipe.
It is as follows using process：Table to be checked is connected in detection platform 45 first, clamped with meter-clamping apparatus 44, starts PLC controls System processed, whole system operation, after water fills water meter, the valve before and after table to be checked is shut, and opens opening on distributive pipe 36 39 are closed, when water flows through conical section 302, because outlet attenuates, when current spray and enter inner tube 33, in the He of conical section 302 Negative pressure will be produced at gap 35 between inner tube 33, so that by the exhaust tube 37 of connection at connecting hole 34 by table to be measured Air is all taken away.When the air in table to be checked is drained it is net after, the switch 39 on distributive pipe 36 is turned off, before and after opening table to be checked Valve, system continues to run with, and collector 452 gathers related data, the temperature sensor collection water in flow adjustment pipe 46 Temperature, be sent to PLC control system, weighing container 48 weighs obtained data and also communicates to PLC control system, passes through water temperature The volume of the water flowed into weighing container 48 is calculated, is then contrasted with the data on water meter.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art.
1. a kind of water meter calibration, including water tank（41）, vacuum tank（43）, meter-clamping apparatus（44）, detection platform（45）And flow Adjust pipeline（46）, detection platform（45）Including collector（452）, flow adjustment pipe（46）Including the first four-way（461）, its It is characterized in, from vacuum tank（43）And meter-clamping apparatus（44）Between pipeline on pick out a belt switch（39）Distributive pipe（36）, point Water pipe（36）The other end and water tank（41）Connection, in distributive pipe（36）It is provided with vacuum generator, the vacuum generator bag Include the water inlet pipe being threadedly coupled successively（30）, connecting tube（31）And outlet pipe（32）, the water inlet pipe（30）Including direct tube section （301）And conical section（302）, conical section（302）Positioned at connecting tube（31）It is interior, the outlet pipe（32）It is interior to be provided with inner tube（33）, Inner tube（33）Internal diameter be equal to conical section（302）Internal diameter（D）, conical section（302）Exit and inner tube import between stay There is gap（35）, the conical section（302）The internal diameter in exit（D）With the length of inner tube（d）The ratio between be 1:17-18.5；It is described Connecting tube（31）It is provided with two connecting holes（34）, one of connecting hole（34）Connect pressure gauge（38）, another connecting hole Pass through exhaust tube（37）It is connected to the first four-way（461）On.
2. water meter calibration according to claim 1, it is characterized in that, the conical section（302）The internal diameter in exit（D） With the length of inner tube（d）The ratio between be 9:160.
Priority Applications (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201720167717.4U CN206847738U (en)||2017-02-24||2017-02-24||A kind of water meter calibration|
Applications Claiming Priority (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201720167717.4U CN206847738U (en)||2017-02-24||2017-02-24||A kind of water meter calibration|
|Publication Number||Publication Date|
|CN206847738U true CN206847738U (en)||2018-01-05|
Family Applications (1)
|Application Number||Title||Priority Date||Filing Date|
|CN201720167717.4U Active CN206847738U (en)||2017-02-24||2017-02-24||A kind of water meter calibration|
Country Status (1)
|CN (1)||CN206847738U (en)|
- 2017-02-24 CN CN201720167717.4U patent/CN206847738U/en active Active
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|CP03||Change of name, title or address||
Address after: 264100 Renren Street 359, Dayao Street, Mouping District, Yantai City, Shandong Province
Patentee after: Shandong Sanyu Intelligent Equipment Co., Ltd.
Address before: Room 322, Public Building No. 1, Dianliuxincun District 3, Lixia District, Jinan City, Shandong Province, 250000
Patentee before: Jinan three space instrumentation company limited
|CP03||Change of name, title or address|