CN212693023U - Water flow meter calibrating device of building element testing machine - Google Patents
Water flow meter calibrating device of building element testing machine Download PDFInfo
- Publication number
- CN212693023U CN212693023U CN202021167209.4U CN202021167209U CN212693023U CN 212693023 U CN212693023 U CN 212693023U CN 202021167209 U CN202021167209 U CN 202021167209U CN 212693023 U CN212693023 U CN 212693023U
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- China
- Prior art keywords
- water
- water flow
- flow meter
- testing machine
- shower
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- 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.)
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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
- G01F25/14—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a weighing apparatus
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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
- G01F25/17—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using calibrated reservoirs
Abstract
The utility model relates to a water flowmeter calibrating device of building element testing machine, including the building element testing machine, the building element testing machine is equipped with the pressure tank of shower head in including, and the end of intaking of shower head links to each other with the shower, is provided with the water flowmeter on the shower, still includes flourishing water receptacle, flourishing water receptacle leads to pipe and water flowmeter low reaches the shower links to each other for the water in shower low reaches passes through during the water pipe is whole to be introduced into flourishing water receptacle, water flow calibrating device still including the first metering structure who is used for detecting the volume of the water in the flourishing water receptacle and/or weight, water flow calibrating device still including be used for detecting to the second metering structure of the time of intaking in the flourishing water receptacle.
Description
Technical Field
The utility model relates to a water flowmeter calibrating device of building element testing machine in the calibration examination field.
Background
According to national standards, the air tightness, water tightness and wind pressure resistance of some building components such as doors and windows, glass curtain walls and the like need to be detected, for example, as disclosed in GB/T15227-2007, and methods for detecting the air tightness, water tightness and wind pressure resistance of building curtain walls, a building component testing machine is needed when the building components are detected, and the process of detecting the water tightness of the glass curtain walls is described in the 4.2.2.1 of the national standard.
The building component testing machine comprises a pressure box, and the rear side of the pressure box is provided with a pressure boxAir supply equipment is provided with spray set in the pressure tank, and spray set includes the shower, is provided with a plurality of shower heads that can spray forward on the shower, is provided with the water flowmeter on the shower, when the watertight performance to glass curtain wall is experimental, installs glass curtain wall in the front side of pressure tank, and standard regulation, spray set should be able to be in order not to be less than 4L (m is specified for watertight performance test, and spray set is provided with the shower forward2Min) is uniformly sprayed on the outdoor surface of the test piece, namely the glass curtain wall, and the water spraying amount of the device can be adjusted.
The control of the spraying amount is critical to the accuracy of the water flow meter, so the accuracy of the water flow needs to be calibrated and verified regularly. The calibration means in the prior art is to disconnect the spray pipe, and serially connect an ultrasonic flowmeter or a standard flowmeter with higher precision than the water flowmeter on the spray pipe, and the standard flowmeter has higher cost which is about ten times the cost of the water flowmeter for the tester, so that the calibration cost is high, and the detection precision of the ultrasonic flowmeter is not high, which is not the optimal choice for calibrating the water flowmeter.
Disclosure of Invention
An object of the utility model is to provide a can reduce calibration cost, satisfy the water flowmeter calibrating device of the building element testing machine of calibration precision simultaneously.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
the utility model provides a water flowmeter calibrating device of building element testing machine, includes the building element testing machine, and the building element testing machine is equipped with the pressure tank of shower head in including, and the end of intaking of shower head links to each other with the shower, is provided with water flowmeter on the shower, still includes flourishing water receptacle, flourishing water receptacle leads to pipe and water flowmeter low reaches the shower links to each other so that the water of shower low reaches passes through during the water pipe is whole to be introduced into flourishing water receptacle, water flow calibrating device still including being used for detecting the first metering structure of volume and/or the weight of the water in the flourishing water receptacle, water flow calibrating device still including be used for detecting to the second metering structure of the time of intaking in the flourishing water receptacle.
The bottom of the water container is provided with a drain pipe, and a drain pipe switch valve is arranged on the drain pipe.
The second metering structure is a timing valve arranged on the water pipe or a timing meter used for detecting water diversion time.
The first metering structure comprises a weighing device for weighing the water container, and the water container is arranged on the weighing device.
The first metering structure comprises volume scales arranged on the wall of the water container.
And a switch valve is arranged on the spray pipe at the downstream of the water flow meter, the switch valve is a three-way valve, and the water pipe is connected to the three-way valve.
The three-way valve is arranged on the outer side of the pressure box.
The utility model has the advantages that: the utility model discloses in, when needing to carry out the calibration to the water flowmeter of building element testing machine, during the water in the shower of water flowmeter low reaches was all introduced water container through the water pipe, the flow value in the unit interval was calculated out to the volume of the water that utilizes water in the water container or the ratio value of weight and diversion time, calibrates the water flowmeter through this flow value. In the calibration method, a standard flowmeter with higher precision is not required to be involved, so the calibration cost is lower, and meanwhile, the flow value obtained by the calculation method has higher precision and basically has no deviation, so the calibration precision is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
An embodiment of a water flow meter calibration device for a construction component testing machine is shown in fig. 1: including building element testing machine, building element testing machine includes pressure tank 2, the rear side of pressure tank is provided with air supply device 1, air supply device includes air-blower 4 and air feed pipeline, still be provided with spray set 14 on the pressure tank, spray set has spray pipe 7 including being provided with water flowmeter 15, it has a plurality of shower heads 3 of spraying water forward to distribute on the spray pipe, the front side of pressure tank is provided with the installing port, need carry out the watertight performance when experimental to building element 6 such as glass curtain wall, door and window, install building element 6 in installing port department, carry out the spray test through shower head 3 to building element 6. Building element testing machine belongs to the prior art, and other specific structures are not described in detail.
The water flow meter calibration device further comprises a water container 10, a three-way valve 16 is arranged on the spray pipe at the downstream of the water flow meter 15, the three-way valve is positioned at the outer side of the pressure box 2, and the water container is connected with the three-way valve 16. When the spray test is normally carried out, water flows to each spray header 3 through the three-way valve, when the water flow meter 15 needs to be calibrated, the water pipe 9 is connected to the three-way valve, the switch handle of the three-way valve is rotated, water is closed to supply to the spray headers 3, and the water in the spray pipe at the downstream of the water flow meter 15 of the building component testing machine is completely introduced into the water container 10 through the water pipe 9. The bottom of the water container is provided with a drain pipe 12, and a drain pipe switch valve 11 is arranged on the drain pipe.
The water flow calibration device further comprises a first metering structure for detecting the volume and/or weight of water in the water container, and the water flow calibration device further comprises a second metering structure for detecting the water introducing time into the water container. In this embodiment, the second metering structure is a timing valve disposed on the water pipe, the first metering structure includes a weighing device 13 for weighing the water container 10, and the water container 10 is disposed on the weighing device 10. The timing valve 8 is closed for a set time during which the mass of water in the water container is obtained by the weighing means, and then the volume of water is converted to be compared with the set time or the mass of water directly is compared with the set time to obtain the flow rate during the set time, and the water flow meter is calibrated by comparing the flow rate with the indication value of the water flow meter. After the calibration is finished, the water container is emptied through the drain pipe, the set time of the timing valve is changed, and a plurality of parameters can be obtained to calibrate the water flow meter.
In the utility model, the three-way valve is arranged on the spray pipe at the downstream of the water flowmeter, which facilitates the access of the water pipe and the disconnection of the water paths of each spray head, is convenient to operate, does not need to be connected with the standard flowmeter in series after the whole spray pipe is completely disconnected like the prior art, and has simple and convenient calibration process; the three-way valve is positioned on the outer side of the pressure box, so that an operator can conveniently operate the pressure box; the flow is converted by the ratio of the weight or volume of the water in the water container to the water diversion time, the flow calculation is very accurate and exceeds the measurement precision of a standard flowmeter, and meanwhile, the cost is not high. In other embodiments of the present invention: the weighing device is not needed, and scales can be arranged on the water container to obtain the volume of water in the water container; the timing valve is not needed, and the calibrator can obtain the water diversion time through the timing meter; the three-way valve can also be replaced by a first switch valve arranged on the spray pipe and a second switch valve arranged on the water pipe; the three-way valve can also be an electromagnetic control switch valve; the three-way valve may not be provided, for example, when the water flow meter needs to be calibrated, the spray pipe is cut off, and the spray pipe is directly connected with the water pipe.
Claims (7)
1. The utility model provides a water flowmeter calibrating device of building element testing machine, includes the building element testing machine, and the building element testing machine is equipped with the pressure tank of shower head in including, and the end of intaking of shower head links to each other with the shower, is provided with water flowmeter, its characterized in that on the shower: the water flow calibration device further comprises a first metering structure used for detecting the volume and/or weight of water in the water container, and the water flow calibration device further comprises a second metering structure used for detecting the water guiding time in the water container.
2. The water flow meter calibration device of claim 1, wherein: the bottom of the water container is provided with a drain pipe, and a drain pipe switch valve is arranged on the drain pipe.
3. The water flow meter calibration device of claim 1, wherein: the second metering structure is a timing valve arranged on the water pipe or a timing meter used for detecting water diversion time.
4. The water flow meter calibration device of claim 1, wherein: the first metering structure comprises a weighing device for weighing the water container, and the water container is arranged on the weighing device.
5. The water flow meter calibration device of claim 1, wherein: the first metering structure comprises volume scales arranged on the wall of the water container.
6. The water flow meter calibration device according to any one of claims 1 to 5, wherein: and a switch valve is arranged on the spray pipe at the downstream of the water flow meter, the switch valve is a three-way valve, and the water pipe is connected to the three-way valve.
7. The water flow meter calibration device of claim 6, wherein: the three-way valve is arranged on the outer side of the pressure box.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019107069867 | 2019-08-01 | ||
| CN201910706986.7A CN110346019A (en) | 2019-08-01 | 2019-08-01 | A kind of water ga(u)ge calibration method of building element testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212693023U true CN212693023U (en) | 2021-03-12 |
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ID=68183677
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910706986.7A Withdrawn CN110346019A (en) | 2019-08-01 | 2019-08-01 | A kind of water ga(u)ge calibration method of building element testing machine |
| CN202021167209.4U Active CN212693023U (en) | 2019-08-01 | 2020-06-22 | Water flow meter calibrating device of building element testing machine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910706986.7A Withdrawn CN110346019A (en) | 2019-08-01 | 2019-08-01 | A kind of water ga(u)ge calibration method of building element testing machine |
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| Country | Link |
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| CN (2) | CN110346019A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254877B (en) * | 2020-09-03 | 2022-10-18 | 河南大亘计量检测研究院有限公司 | Calibrating device of building element testing machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202584505U (en) * | 2012-03-31 | 2012-12-05 | 西安理工大学 | Test instrument for venturi and orifice plate flowmeters |
| JP6557550B2 (en) * | 2015-08-21 | 2019-08-07 | アズビル株式会社 | Method and apparatus for testing liquid flowmeter |
| JP6649646B2 (en) * | 2016-04-05 | 2020-02-19 | 国立研究開発法人産業技術総合研究所 | Liquid flow meter calibration device |
| CN206593728U (en) * | 2016-08-26 | 2017-10-27 | 厦门精量校准检测技术有限公司 | High precision in control fluid flowmeter on-line calibration device |
| CN207317905U (en) * | 2017-10-30 | 2018-05-04 | 西门子传感器与通讯有限公司 | Flowmeter calibrating installation |
| CN108827625A (en) * | 2018-09-25 | 2018-11-16 | 尚廷东 | A kind of building element testing machine calibrating installation and its simulation window |
-
2019
- 2019-08-01 CN CN201910706986.7A patent/CN110346019A/en not_active Withdrawn
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2020
- 2020-06-22 CN CN202021167209.4U patent/CN212693023U/en active Active
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| Publication number | Publication date |
|---|---|
| CN110346019A (en) | 2019-10-18 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220907 Address after: No. B9-3113, Phase III, Wuzhou City, Zhongyuan West Road, Xingyang City, Zhengzhou City, Henan Province, 450100 Patentee after: Henan Yangcheng Industrial Equipment Co.,Ltd. Address before: 450000 room 901, unit 2, Huarui Purple Jade court, 333 Longhai Road, Zhongyuan District, Zhengzhou, Henan. Patentee before: ZHENGZHOU YEGEN ELECTRONIC TECHNOLOGY CO.,LTD. |