CN107091369B - Pilot valve flow characteristic testing device and application method thereof - Google Patents

Pilot valve flow characteristic testing device and application method thereof Download PDF

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Publication number
CN107091369B
CN107091369B CN201710326331.8A CN201710326331A CN107091369B CN 107091369 B CN107091369 B CN 107091369B CN 201710326331 A CN201710326331 A CN 201710326331A CN 107091369 B CN107091369 B CN 107091369B
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China
Prior art keywords
valve body
valve
valve core
cylindrical groove
flow characteristic
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CN201710326331.8A
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CN107091369A (en
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吴国华
罗中伦
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TSE TECHNOLOGY (NINGBO) CO LTD
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TSE TECHNOLOGY (NINGBO) CO LTD
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Abstract

The invention relates to a pilot valve flow characteristic testing device and a using method thereof, wherein the pilot valve flow characteristic testing device comprises a valve core, a valve body and a gasket, a cylindrical groove is formed in the middle of the upper end of the valve body, the valve core is installed in the cylindrical groove, a circle of protrusions matched with the upper end of the valve body are arranged at the upper end of the valve core, the gasket is installed between the upper end of the valve body and a protruding part of the valve core, an outlet rotating port penetrating through the lower end of the valve body is vertically installed in the middle of the cylindrical groove of the valve body, an inlet rotating port communicated with the cylindrical groove of the valve body is installed at the lower end of the valve body, and the inlet rotating port is connected with an external pressure source. The invention has the characteristics of simple structure, convenient use, good interchangeability, good economic benefit and the like.

Description

Pilot valve flow characteristic testing device and application method thereof
Technical Field
The invention relates to the technical field of pilot valve flow characteristic test, in particular to a pilot valve flow characteristic test device and a use method thereof.
Background
The pilot electromagnetic valve is a valve which is common in the fields of daily life, hydraulic equipment, liquid conveying systems and the like, along with the development of automatic control technology, the application of the pilot electromagnetic valve is more and more wide, the flow characteristic, the valve core opening distance and the outlet pipe diameter are important parameters of the pilot electromagnetic valve. The flow characteristic test of different opening distances of the valve core and the flow characteristic test of different outlet pipe diameters are particularly important, because the parameters directly influence the quality of the product. The current common practice in the industry is to use the product to directly perform the test, which can increase the test cost and cycle, and can not precisely control the valve core opening distance during the test and the repeatability and reproducibility of the test.
Disclosure of Invention
The invention aims to solve the technical problem of providing a pilot valve flow characteristic testing device and a using method thereof, wherein the flow characteristic of the pilot valve can be effectively and accurately tested when the opening distance is controlled by the thickness of a gasket, the problem that the relation between different opening distances and outlet flow of a valve core of a water valve is difficult to test is solved, and the pilot valve flow characteristic testing device has the characteristics of simple structure, convenience in use, good interchangeability, good economic benefit and the like.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a pilot valve flow characteristic testing arrangement and application method thereof, including case, valve body and packing ring, valve body upper end middle part open and have cylindrical recess, install the case in the cylindrical recess, case upper end arrange the protruding that round matches with the valve body upper end, valve body upper end and the bellying of case between install the packing ring, the cylindrical recess middle part of valve body vertically install the export interface that passes the valve body lower extreme, the lower extreme of valve body install the entry interface with the cylindrical recess intercommunication of valve body, entry interface link to each other with external pressure source.
An O-shaped ring is embedded and installed on the outer ring of the lower end of the valve core.
The bulge of the valve core is connected with the valve body through three bolts.
(a) The assembling and connecting device selects proper thickness of the gasket according to measurement requirements, meanwhile, the fluid is water at room temperature, then the gasket is installed on the valve core, the valve core is installed on the valve body and is connected with an external pressure source through an inlet adapter, and an outlet adapter is connected with the container;
(b) Initializing: opening an external pressure source, regulating the pressure to 0.1MPa, continuously maintaining the pressure for 1Min, exhausting air by the device, and waiting for the system to be stable;
(c) And (3) testing: the container is used for receiving the water discharged from the outlet switching port, and the time is 1Min, and the volume of the discharged water is measured to be the flow;
(d) Repeated test: and (3) repeating the steps (b) and (c) by using gaskets with different distances, so that the relation between different opening distances and different flow rates of the valve core can be obtained.
The beneficial effects are that: the invention relates to a pilot valve flow characteristic testing device and a using method thereof, wherein the opening distance is controlled by the thickness of a gasket, so that the flow characteristic of a pilot valve at different opening distances can be effectively and accurately tested, the problem that the relation between different opening distances and outlet flow of a valve core of a water valve is difficult to test is solved, and the pilot valve flow characteristic testing device has the characteristics of simple structure, convenience in use, good interchangeability, good economic benefit and the like.
Drawings
FIG. 1 is a structural view of the present invention;
fig. 2 is a full cross-sectional view of the present invention.
The diagram is: 1. the valve comprises a valve core, a gasket, an O-shaped ring, a valve body, an outlet port, an inlet port and an external pressure source, wherein the valve core, the gasket, the O-shaped ring, the valve body, the outlet port, the inlet port and the external pressure source are respectively arranged in sequence, and the valve core, the gasket, the O-shaped ring, the valve body, the outlet port, the inlet port and the external pressure source are respectively arranged in sequence.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
The invention relates to a pilot valve flow characteristic testing device and a using method thereof, as shown in figures 1-2, the pilot valve flow characteristic testing device comprises a valve core 1, a valve body 4 and a gasket 2, wherein a cylindrical groove is formed in the middle of the upper end of the valve body 4, the valve core 1 is installed in the cylindrical groove, a circle of protrusions matched with the upper end of the valve body 4 are arranged at the upper end of the valve core 1, the gasket 2 is installed between the upper end of the valve body 4 and a protruding part of the valve core 1, an outlet adapter 5 penetrating through the lower end of the valve body 4 is vertically installed in the middle of the cylindrical groove of the valve body 4, an inlet adapter 6 communicated with the cylindrical groove of the valve body 4 is installed at the lower end of the valve body 4, and the inlet adapter 6 is connected with an external pressure source 7.
An O-shaped ring 3 is embedded and installed on the outer ring of the lower end of the valve core 1.
The protruding part of the valve core 1 is connected with the valve body 4 through three bolts.
a. The assembling and connecting device selects proper thickness of the gasket 2 according to the measurement requirement, meanwhile, the fluid is water at room temperature, then the gasket 2 is installed on the valve core 1, the valve core 1 is installed on the valve body 4 and is connected with an external pressure source 7 through an inlet adapter 6, and an outlet adapter 5 is connected with the container;
b. initializing: starting an external pressure source 7, regulating the pressure to 0.1MPa, continuously maintaining the pressure for 1Min, exhausting air by the device, and waiting for the system to be stable;
c. and (3) testing: the container is used for receiving the water discharged by the outlet adapter 5, and the time is 1Min, and the volume of the discharged water is measured to be the flow;
d, repeating the test: and c, repeating the steps b and c by using gaskets 2 with different distances, and obtaining the relation between different opening distances and flow rates of the valve core 1.

Claims (2)

1. The utility model provides a pilot valve flow characteristic testing arrangement, includes case (1), valve body (4) and packing ring (2), its characterized in that: the valve is characterized in that a cylindrical groove is formed in the middle of the upper end of the valve body (4), a valve core (1) is installed in the cylindrical groove, a circle of protrusions matched with the upper end of the valve body (4) are arranged at the upper end of the valve core (1), a gasket (2) is installed between the upper end of the valve body (4) and a protruding portion of the valve core (1), an outlet rotating port (5) penetrating through the lower end of the valve body (4) is vertically installed in the middle of the cylindrical groove of the valve body (4), an inlet rotating port (6) communicated with the cylindrical groove of the valve body (4) is installed at the lower end of the valve body (4), the inlet rotating port (6) is connected with an external pressure source (7), an O-shaped ring (3) is embedded and installed on the outer ring of the lower end of the valve core (1), and the protruding portion of the valve core (1) is connected with the valve body (4) through three bolts.
2. A method of using a pilot valve flow characteristic test device as claimed in claim 1, wherein:
(a) The assembling and connecting device is characterized in that the thickness of a proper gasket (2) is selected according to the measurement requirement, meanwhile, the fluid is water at room temperature, then the gasket (2) is installed on the valve core (1), the valve core (1) is installed on the valve body (4) and is connected with an external pressure source (7) through an inlet transfer port (6), and an outlet transfer port (5) is connected with a container;
(b) Initializing: opening an external pressure source (7), regulating the pressure to 0.1MPa, continuously maintaining for 1Min, exhausting air by the device, and waiting for the system to be stable;
(c) And (3) testing: the container is used for receiving the water discharged from the outlet adapter (5), and the time is 1Min, and the volume of the discharged water is measured to be the flow;
(d) Repeated test: and (3) using gaskets (2) with different distances, and repeating the steps (b) and (c) to obtain the relation between different opening distances and flow rates of the valve core (1).
CN201710326331.8A 2017-05-10 2017-05-10 Pilot valve flow characteristic testing device and application method thereof Active CN107091369B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710326331.8A CN107091369B (en) 2017-05-10 2017-05-10 Pilot valve flow characteristic testing device and application method thereof

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Application Number Priority Date Filing Date Title
CN201710326331.8A CN107091369B (en) 2017-05-10 2017-05-10 Pilot valve flow characteristic testing device and application method thereof

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CN107091369A CN107091369A (en) 2017-08-25
CN107091369B true CN107091369B (en) 2023-06-30

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108592836B (en) * 2018-04-28 2020-04-03 深圳大学 Solid volume measuring device

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119132A (en) * 1982-04-16 1983-11-09 Vapor Corp Pilot operated relief valve
GB8516963D0 (en) * 1984-07-16 1985-08-07 Westinghouse Electric Corp Testing operability of check valves
EP0164561A2 (en) * 1984-06-14 1985-12-18 Aida Engineering Ltd. Flow control valve
US4682495A (en) * 1986-05-14 1987-07-28 Anderson, Greenwood & Company Testing device for pilot valves
CN2172825Y (en) * 1993-10-26 1994-07-27 北京海淀普惠机电技术开发公司 Pressure-relief constant pressure valve
US5842501A (en) * 1996-08-23 1998-12-01 Flow Safe, Inc. Pilot operated safety relief valve
CN101960193A (en) * 2008-02-29 2011-01-26 费希尔控制国际公司 Diagnostic method for detecting control valve component failure
CN202612788U (en) * 2012-05-18 2012-12-19 宁波捷尔天电气有限公司 Electromagnetic valve capable of adjusting outlet flow
CN202678019U (en) * 2012-06-25 2013-01-16 宁波兴茂电子科技有限公司 Bidirectional double-retention electromagnet
CN103207066A (en) * 2012-01-13 2013-07-17 流体处理有限责任公司 Flow rate scale field calibration for balancing valve
CN103672164A (en) * 2013-12-25 2014-03-26 中国船舶重工集团公司第七�三研究所 Regulating valve with segmented flow characteristics
EP2733400A1 (en) * 2012-11-16 2014-05-21 Hydrelis Pilot hydraulic valve
DE102013207864A1 (en) * 2013-04-30 2014-10-30 Schaeffler Technologies Gmbh & Co. Kg Rolling bearings with contactless signal transmission

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004101163A (en) * 2002-07-16 2004-04-02 Tgk Co Ltd Constant flow rate expansion valve
CN100366967C (en) * 2004-04-21 2008-02-06 华中科技大学 Leading type water pressure overflow valve
JP4414269B2 (en) * 2004-04-23 2010-02-10 シーケーディ株式会社 Flow rate characteristic adjustment mechanism of electromagnetic proportional valve and flow rate characteristic adjustment method using the same
CN202733093U (en) * 2012-07-12 2013-02-13 河北金桥平衡阀门有限公司 Linear self-operated flow control valve
CN104101388B (en) * 2014-07-28 2017-03-08 武汉理工大学 A kind of throttle orifice Flow characteristic experiment device of adjustable clearance
CN204004477U (en) * 2014-08-18 2014-12-10 浙江精杰实业有限公司 A kind of Novel regulating valve door
JP2016211600A (en) * 2015-04-30 2016-12-15 株式会社鷺宮製作所 Flow control valve
CN206958383U (en) * 2017-05-10 2018-02-02 宁波兴茂电子科技有限公司 A kind of pilot valve discharge characteristic test device

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119132A (en) * 1982-04-16 1983-11-09 Vapor Corp Pilot operated relief valve
EP0164561A2 (en) * 1984-06-14 1985-12-18 Aida Engineering Ltd. Flow control valve
GB8516963D0 (en) * 1984-07-16 1985-08-07 Westinghouse Electric Corp Testing operability of check valves
US4682495A (en) * 1986-05-14 1987-07-28 Anderson, Greenwood & Company Testing device for pilot valves
CN2172825Y (en) * 1993-10-26 1994-07-27 北京海淀普惠机电技术开发公司 Pressure-relief constant pressure valve
US5842501A (en) * 1996-08-23 1998-12-01 Flow Safe, Inc. Pilot operated safety relief valve
CN101960193A (en) * 2008-02-29 2011-01-26 费希尔控制国际公司 Diagnostic method for detecting control valve component failure
CN103207066A (en) * 2012-01-13 2013-07-17 流体处理有限责任公司 Flow rate scale field calibration for balancing valve
CN202612788U (en) * 2012-05-18 2012-12-19 宁波捷尔天电气有限公司 Electromagnetic valve capable of adjusting outlet flow
CN202678019U (en) * 2012-06-25 2013-01-16 宁波兴茂电子科技有限公司 Bidirectional double-retention electromagnet
EP2733400A1 (en) * 2012-11-16 2014-05-21 Hydrelis Pilot hydraulic valve
DE102013207864A1 (en) * 2013-04-30 2014-10-30 Schaeffler Technologies Gmbh & Co. Kg Rolling bearings with contactless signal transmission
CN103672164A (en) * 2013-12-25 2014-03-26 中国船舶重工集团公司第七�三研究所 Regulating valve with segmented flow characteristics

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