CN207816419U - A kind of water flow calibrating installation - Google Patents
A kind of water flow calibrating installation Download PDFInfo
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- CN207816419U CN207816419U CN201820284325.0U CN201820284325U CN207816419U CN 207816419 U CN207816419 U CN 207816419U CN 201820284325 U CN201820284325 U CN 201820284325U CN 207816419 U CN207816419 U CN 207816419U
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- collecting pipe
- knockout drum
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Abstract
The utility model is related to a kind of water flow calibrating installations, part is examined and determine including Static mass method calibrating part and standard scale comparison method, two parts are connected by collecting pipe, Static mass method calibrating part includes electronic scale, weighing box, water knockout drum, commutator and commutator selecting switch valve, weighing box is fallen on electronic scale, water knockout drum is installed on above weighing box, commutator is mounted on water knockout drum, two water outlets of water knockout drum correspond to weighing box water return pipeline or pond respectively, and the water inlet side of checklist straight pipe is connected with the pipeline section that converges after standard scale straight pipe；The water inlet side of standard scale straight pipe connects gas-removing filter by isocon and buffer, the water inlet side of buffer are connected to through water pump with pond.The utility model comprehensively utilizes Static mass method and standard scale comparison method, output-index to be accredited table water flow provides evaluation object and foundation, the output of standard law is not limited to full-section pipe-flow, obtains stable calibrating stream back pressure, improves standard law calibrating effect and calibration accuracy.
Description
Technical field
The utility model is related to a kind of water flow calibrating installations.
Background technology
Water flow calibrating installation is for examining and determine various types of water ga(u)ges and studying the standard of testing flow meter performance
Device, one is a grade apparatus for weights and measures (the static matter of tracing to the source transmitted as water flow calibrating installation standard using high-precision electronic scale
Amount method), this structure is suitble to metering instrument superintendent office or scientific research institutions to use, and table is directly examined using this structure, obtain data into
The analysis and research of row instrument function；Another kind is time transmitted as water flow calibrating installation Plays using high precision flow
Grade apparatus for weights and measures (standard scale comparison method), this structure is for tabulation or Jian Biao enterprises.
The standard set-up of above two structure independently manufactures, and cannot occur in one apparatus, limiting work(simultaneously
The integrated application of energy.
Utility model content
Static mass method and standard scale comparison method, limitation cannot be comprehensively utilized for water flow calibrating installation in the prior art
The integrated application of function, the deficiencies of comparison method with standard test condition is not up to standard, problem to be solved in the utility model is to provide one
Kind will realize the water flow calibrating installation that above two calibration method is integrated.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of water flow calibrating installation of the utility model, including Static mass method calibrating part and the calibrating of standard scale comparison method
Part, two parts are connected by collecting pipe, and wherein Static mass method calibrating part includes electronic scale, weighing box, water knockout drum, commutation
Device and commutator selecting switch valve, weighing box are fallen on electronic scale, and water knockout drum is installed on above weighing box, and commutator is mounted on
On water knockout drum, two water outlets of water knockout drum correspond to weighing box and water return pipeline or pond, the water inlet of checklist straight pipe respectively
Mouth side is connected with the pipeline section that converges after standard scale straight pipe；The water inlet side of standard scale straight pipe connects filtering of cooling down by isocon
The water inlet side of device and buffer, buffer is connected to through water pump with pond.
It weighs lower box part water outlet and is equipped with controlled valve.
Standard scale comparison method calibrating part includes the standard scale straight pipe of multiple bore specifications, the standard of multiple bore specifications
Table straight pipe both ends are connected in parallel by second and third collecting pipe, and the second collecting pipe is connected to multiple checklist straight pipe input ends,
Third collecting pipe is connected to gas-removing filter.
Checklist straight pipe includes the pipeline section of parallel arrangement of multiple bore specifications, is connected to the first collecting pipe and second and converges
Between flow tube, the pipeline section of each bore specification is equipped with the expansion bend for clamping table, and pipeline section clamping part both sides are installed respectively opens
Valve is closed, the first collecting pipe is weighed to examine and determine with Static mass method and is partly connected to.
Water pump is multiple, and each water pump water outlet side is connected to by the 4th collecting pipe with surge tank.
The utility model has the advantages that and advantage：
It is to be accredited table flow with the defeated of gauge 1. the utility model comprehensively utilizes Static mass method and standard scale comparison method
Go out the comparison of index, with reference to the object and foundation of offer evaluation, and grade apparatus for weights and measures of tracing to the source can weigh to secondary measures online
Device provides detection, appraises and decides foundation, while can carry out the science that Static mass method is directed to tested flowmeter with standard scale comparison method
Quantitative study works, and the combination of mass method and standard law so that the output of standard law is not only limited to full-section pipe-flow, and obtains
To stable calibrating stream back pressure, standard law calibrating effect and calibration accuracy are improved.
2. combined with surge tank using new type inverter is made when comparison method with standard is examined and determine in the controls, flow is examined and determine
Pressure stabilities be improved, improve test condition, improve calibration accuracy.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the direction view of bowing of Fig. 1.
Wherein, 1 is pond, and 2 be electronic scale, and 3 be weighing box, and 4 be water knockout drum, and 5 be commutator, and 6 be first switch valve, 7
For second switch valve, 8 be expansion bend, and 9 be third switch valve, and 10 be regulating valve, and 11 be standard scale, and 12 be the 4th switch valve, 13
It is surge tank for gas-removing filter, 14,15 be water pump, and 16 be the first collecting pipe, and 17 be checklist straight pipe, and 18 be the second remittance
Flow tube, 19 be standard scale straight pipe, and 20 be third collecting pipe, and 21 be the 4th collecting pipe.
Specific implementation mode
The utility model is further elaborated with reference to the accompanying drawings of the specification.
As shown in Figure 1, 2, a kind of water flow calibrating installation of the utility model, including Static mass method calibrating part and standard
Table comparison method examines and determine part, and two parts are connected by collecting pipe (i.e. the second collecting pipe 8), and wherein Static mass method calibrating part is wrapped
Electronic scale 2, weighing box 3, water knockout drum 4 and commutator 5 are included, weighing box 3 is fallen on electronic scale 2, and water knockout drum 4 is installed on weighing box
3 tops, commutator 5 are mounted on 4 top of water knockout drum, and 5 water inlet of commutator is connect with the first collecting pipe 16；The inner cavity of water knockout drum 4
Top has watershed partition and the oscillating nozzle installation of commutator 5 to divide water with the use of playing the role of symmetrically commutating, and the two of water knockout drum
A water outlet corresponds to weighing box 3 and water return pipeline or pond 1, water inlet side and the standard scale comparison method of checklist straight pipe respectively
The standard scale straight pipe for examining and determine part is connected；The water inlet side connection gas-removing filter 13 and buffer 14 of standard scale straight pipe,
The water inlet side of buffer 14 is connected to through water pump 15 with pond 1.
Standard scale comparison method calibrating part includes the standard scale straight pipe of multiple bore specifications, the standard of multiple bore specifications
Table straight pipe both ends are connected in parallel by second and third collecting pipe 18,20, the second collecting pipe and multiple checklist straight pipe input ends
Connection, third collecting pipe 20 are connected to gas-removing filter 13.
3 lower part water outlet of weighing box is equipped with controlled valve, when controlled valve is closed, electronic scale ponderable quantity weighing box power
Water, when controlled valve is opened, the water of weighing box just flows back to pond.
In the present embodiment, standard scale straight pipe is three, is mounted with three kinds of bore specifications respectively and examines and determine the standard of flow
Table.
Checklist straight pipe includes the pipeline section of parallel arrangement of multiple bore specifications, is connected to the first collecting pipe 16 and second
Between collecting pipe 18, the pipeline section of each bore specification is equipped with the expansion bend 8 for clamping table, and pipeline section clamping part both sides are pacified respectively
Fill switch valve, second switch valve 7 and third switch valve 9 as shown in Figure 1.First collecting pipe 16 and Static mass method are weighed inspection
Fixed part is connected to.
In the present embodiment, checklist straight pipe is four, is respectively used to the quilt of the different bore specifications of four kinds of clamping and flow
Examine table.Four checklists can be examined and determine simultaneously simultaneously.
Water pump is multiple, and water outlet side is connected to by the 4th collecting pipe with surge tank, keeps pump defeated by frequency converter adjusting control
The flow that goes out, pressure are able to reach the necessary requirement of calibrating.In the present embodiment water pump be three, can isolated operation, can also coordinate
Operation, meets different flow and pressure requirements.
In use, accredited flowmeter is by controlling Instrument carriage position of the expansion bend 8 by clamping between corresponding straight tube
It sets, the operation a period of time of water pump 15 is started by frequency converter, after flow and pressure are steady, phase is opened in selection as needed
The standard meter flow-meter for answering flow is exported by the aperture regulation of regulating valve and the corresponding of frequency converter to realize that flowmeter is each
Flow point is examined and determine.
Switching selection of the commutator 5 for comparison method with standard and Static mass method, can be applied to point of instrument function simultaneously
The calibrating of analysis research and water ga(u)ge.
Claims (5)
1. a kind of water flow calibrating installation, it is characterised in that：Including Static mass method calibrating part and the calibrating of standard scale comparison method
Part, two parts are connected by collecting pipe, and wherein Static mass method calibrating part includes electronic scale, weighing box, water knockout drum, commutation
Device and commutator selecting switch valve, weighing box are fallen on electronic scale, and water knockout drum is installed on above weighing box, and commutator is mounted on
On water knockout drum, two water outlets of water knockout drum correspond to weighing box and water return pipeline or pond, the water inlet of checklist straight pipe respectively
Mouth side is connected with the pipeline section that converges after standard scale straight pipe；The water inlet side of standard scale straight pipe connects filtering of cooling down by isocon
The water inlet side of device and buffer, buffer is connected to through water pump with pond.
2. water flow calibrating installation according to claim 1, it is characterised in that：It weighs lower box part water outlet and is equipped with switch valve
Door.
3. water flow calibrating installation according to claim 1, it is characterised in that：Standard scale comparison method calibrating part includes more
The standard scale straight pipe both ends of the standard scale straight pipe of a bore specification, multiple bore specifications are parallel by second and third collecting pipe
Connection, the second collecting pipe are connected to multiple checklist straight pipe input ends, and third collecting pipe is connected to gas-removing filter.
4. water flow calibrating installation according to claim 1, it is characterised in that：Checklist straight pipe includes parallel arrangement of
The pipeline section of multiple bore specifications, is connected between the first collecting pipe and the second collecting pipe, and the pipeline section of each bore specification, which is equipped with, to be used
In the expansion bend of clamping table, switch valve is installed in pipeline section clamping part both sides respectively, and the first collecting pipe and Static mass method are weighed inspection
Fixed part is connected to.
5. water flow calibrating installation according to claim 1, it is characterised in that：Water pump is multiple, and each water pump water outlet side is logical
The 4th collecting pipe is crossed to be connected to surge tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284325.0U CN207816419U (en) | 2018-02-28 | 2018-02-28 | A kind of water flow calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284325.0U CN207816419U (en) | 2018-02-28 | 2018-02-28 | A kind of water flow calibrating installation |
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| Publication Number | Publication Date |
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| CN207816419U true CN207816419U (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820284325.0U Active CN207816419U (en) | 2018-02-28 | 2018-02-28 | A kind of water flow calibrating installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297571A (en) * | 2018-11-21 | 2019-02-01 | 潍坊市计量测试所 | A kind of 800mm water flow standard apparatus |
| CN110608788A (en) * | 2019-09-12 | 2019-12-24 | 湖南工业大学 | Automatic detection system and method for flow of viscous liquid |
-
2018
- 2018-02-28 CN CN201820284325.0U patent/CN207816419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297571A (en) * | 2018-11-21 | 2019-02-01 | 潍坊市计量测试所 | A kind of 800mm water flow standard apparatus |
| CN110608788A (en) * | 2019-09-12 | 2019-12-24 | 湖南工业大学 | Automatic detection system and method for flow of viscous liquid |
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