CN205300835U - Flow flow resistance coefficient detection device of valve - Google Patents

Flow flow resistance coefficient detection device of valve Download PDF

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Publication number
CN205300835U
CN205300835U CN201521111795.XU CN201521111795U CN205300835U CN 205300835 U CN205300835 U CN 205300835U CN 201521111795 U CN201521111795 U CN 201521111795U CN 205300835 U CN205300835 U CN 205300835U
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CN
China
Prior art keywords
test pipeline
valve
flow
test
resistance coefficient
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.)
Expired - Fee Related
Application number
CN201521111795.XU
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Chinese (zh)
Inventor
张凯
卢东旭
王强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Institute Of Aeronautics Wenzhou Research Institute
Original Assignee
Beijing Institute Of Aeronautics Wenzhou Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Institute Of Aeronautics Wenzhou Research Institute filed Critical Beijing Institute Of Aeronautics Wenzhou Research Institute
Priority to CN201521111795.XU priority Critical patent/CN205300835U/en
Application granted granted Critical
Publication of CN205300835U publication Critical patent/CN205300835U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a flow flow resistance coefficient detection device of valve, its technical scheme main points are including the workstation and the water storage tank on setting up the workstation, water pump, a plurality of test pipeline and be used for detecting the pressure differential measuring device of the pressure differential of test pipeline, and every test pipeline sets up with the right side relative interval of test pipeline including left side test pipeline and right side test pipeline, left side test pipeline, pressure differential measuring device is connected with right side test pipeline with left side test pipeline respectively, test pipeline in a left side is connected with the water inlet of water storage tank, the delivery port that water pump and water storage tank were crossed to right side testing tube sweetgum fruit is connected, choke valve and flowmeter are installed on the road in proper order to right side testing tube, left side testing tube is equipped with the governing valve on the road, and flowmeter and pressure differential measuring device detect testing tube flow and pressure differential on the road, will detect data calculation most likely again and reach the indexs such as discharge coefficient, flow resistance coefficient of valve, and simple structure is convenient for operate.

Description

A kind of flow flow resistance coefficient detecting device of valve
Technical field
This utility model relates to valve detection equipment, more specifically, it relates to the flow flow resistance coefficient detecting device of a kind of valve.
Background technology
The discharge coefficient of valve represents that fluid flows through the flow of fluid when valve produces unit pressure loss, and the discharge coefficient of valve is the index weighing valve negotiability, and discharge coefficient value is more big, illustrates that pressure loss when fluid flows through valve is more little; The flow resistance coefficient of valve can weigh fluid by major power consumption after utility model. And the discharge coefficient of utility model, flow resistance coefficient depend on the size with valve, form, structure, therefore valve products is improved by the flow of valve and the detection of flow resistance coefficient, reduces power dissipation design for fluid engineering system, improves important evidence.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is in that to provide the flow flow resistance coefficient detecting device of a kind of valve, can effectively detect discharge coefficient and the flow resistance coefficient of valve.
For achieving the above object, this utility model provides following technical scheme:
A kind of flow flow resistance coefficient detecting device of valve, including workbench and arrange the water tank on workbench, water pump, several test pipelines and for detecting the differential pressure measurement device of pressure differential of test pipeline, each test pipeline includes left test pipeline and right test pipeline, left test pipeline and right test pipeline relative spacing are arranged, and described differential pressure measurement device is connected with left test pipeline and right test pipeline respectively; Described left test pipeline is connected with the water inlet of water tank, and described right test pipeline is connected with the outlet of water tank by water pump, and described right test pipeline is sequentially installed with choke valve and effusion meter, and described left test pipeline is provided with adjustment valve.
This utility model is arranged further: described differential pressure measurement device includes differential manometer, and described differential manometer is provided with the left pressure pipe communicated with left test pipeline and the right pressure pipe communicated with right test pipeline.
This utility model is arranged further: described left pressure pipe and right pressure pipe are mounted on air cock.
This utility model is arranged further: described test pipeline also includes pneumatic expansion joint, described pneumatic expansion joint includes telescopic cylinder, floating pipe and fixed-piping, described fixed-piping is connected with right test pipeline, one end of described floating pipe is plugged on fixed-piping, the other end is connected with the telescopic shaft of telescopic cylinder, and described telescopic cylinder drives floating pipe automatic telescopic in fixed-piping.
This utility model beneficial effect: during test, tested valve is arranged between left test pipeline and right test pipeline, from water tank, water is squeezed in right test pipeline by water pump, and keep certain pressure, control the opening angle of valve to be measured, flow on test pipeline and pressure reduction are detected by effusion meter and differential pressure measurement device, again these detection data calculated and draw the indexs such as the discharge coefficient of valve, flow resistance coefficient, choke valve can control the flow of test pipeline, regulate valve and can regulate the pressure of test pipeline, simple in construction, it is simple to operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flow flow resistance coefficient detecting device of a kind of valve of this utility model;
The principle schematic of the flow flow resistance coefficient detecting device that Fig. 2 is a kind of valve of this utility model;
Fig. 3 is the principle schematic of differential pressure measurement device;
Fig. 4 is the structural representation of pneumatic expansion joint.
Description of reference numerals: 1, workbench; 2, water tank; 3, water pump; 4, test pipeline; 41, left test pipeline; 42, right test pipeline; 43, pneumatic expansion joint; 431, telescopic cylinder; 432, floating pipe; 433, fixed-piping; 5, differential pressure measurement device; 51, differential manometer; 52, air cock; 6, thermometer; 7, choke valve; 8, effusion meter; 9, valve is regulated.
Detailed description of the invention
With reference to accompanying drawing 1 to Fig. 4, the flow flow resistance coefficient detecting device embodiment of a kind of valve of this utility model is described in further details.
A kind of flow flow resistance coefficient detecting device of valve, including workbench 1 and arrange the water tank 2 on workbench 1, water pump 3, several test pipelines 4 and for detecting the differential pressure measurement device 5 of pressure differential of test pipeline 4, wherein several test pipelines 4 can laid out in parallel so that whole apparatus structure is compacter.
Each test pipeline 4 includes left test pipeline 41 and right test pipeline 42, left test pipeline 41 and right test pipeline 42 relative spacing are arranged, tested valve is arranged between left test pipeline 41 and right test pipeline 42, simultaneously for the ease of the clamping of valve to be measured, described test pipeline 4 also includes pneumatic expansion joint 43, described pneumatic expansion joint 43 includes telescopic cylinder 431, floating pipe 432 and fixed-piping 433, described fixed-piping 433 is connected with right test pipeline 42, described fixed-piping 433 can also be connected with right test pipeline 42, one end of described floating pipe 432 is plugged on fixed-piping 433, the other end is connected with the telescopic shaft of telescopic cylinder 431, described telescopic cylinder 431 drives floating pipe 432 automatic telescopic in fixed-piping 433, can the tested valve of clamping different size.
Described differential pressure measurement device 5 is connected with left test pipeline 41 and right test pipeline 42 respectively; Described left test pipeline 41 is connected with the water inlet of water tank 2, described right test pipeline 42 is connected by the outlet of water pump 3 with water tank 2, being sequentially installed with thermometer 6, choke valve 7 and effusion meter 8 on described right test pipeline 42, described left test pipeline 41 is provided with adjustment valve 9.
Wherein said differential pressure measurement device 5 includes differential manometer 51, described differential manometer 51 is provided with the left pressure pipe communicated with left test pipeline 41 and the right pressure pipe communicated with right test pipeline 42, can conveniently detecting the fluid pressure differential through tested valve, described left pressure pipe 52 and right pressure pipe 53 are mounted on air cock 52.
Operation principle: during test, tested valve is arranged between left test pipeline 41 and right test pipeline 42, and carry out clamping by pneumatic expansion joint 43, from water tank 2, water is squeezed in right test pipeline 42 by water pump 3 again, and keep certain pressure, control the opening angle of valve to be measured, flow Q on test pipeline 4 and pressure differential deltap p is detected by effusion meter 8 and differential pressure measurement device 5, again these detection data calculated and draw the discharge coefficient of valve, the indexs such as flow resistance coefficient, choke valve 7 can control the flow of test pipeline 4, regulate valve 9 and can regulate the pressure of test pipeline 4, simple in construction, it is easy to operation.
Wherein valve flow coefficient C=Q �� ��/�� p; Wherein flow resistance coefficient K=2 �� p/ �� u2
C-discharge coefficient in formula; Q-volume flow; ��-fluid density; The pressure loss of �� p-valve, u-fluid mean flow rate (mm/s) in pipeline, u=Q/A, A is the diameter of test pipeline 4.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model. It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (4)

1. the flow flow resistance coefficient detecting device of a valve, it is characterized in that: include workbench and the water tank arranging on workbench, water pump, several test pipelines and for detecting the differential pressure measurement device of the pressure differential of test pipeline, each test pipeline includes left test pipeline and right test pipeline, left test pipeline and right test pipeline relative spacing are arranged, and described differential pressure measurement device is connected with left test pipeline and right test pipeline respectively;
Described left test pipeline is connected with the water inlet of water tank, and described right test pipeline is connected with the outlet of water tank by water pump, and described right test pipeline is sequentially installed with choke valve and effusion meter, and described left test pipeline is provided with adjustment valve.
2. the flow flow resistance coefficient detecting device of a kind of valve according to claim 1, is characterized in that: described differential pressure measurement device includes differential manometer, and described differential manometer is provided with the left pressure pipe communicated with left test pipeline and the right pressure pipe communicated with right test pipeline.
3. the flow flow resistance coefficient detecting device of a kind of valve according to claim 2, is characterized in that: described left pressure pipe and right pressure pipe are mounted on air cock.
4. the flow flow resistance coefficient detecting device of a kind of valve according to claim 1 or 2 or 3, it is characterized in that: described test pipeline also includes pneumatic expansion joint, described pneumatic expansion joint includes telescopic cylinder, floating pipe and fixed-piping, described fixed-piping is connected with right test pipeline, one end of described floating pipe is plugged on fixed-piping, the other end is connected with the telescopic shaft of telescopic cylinder, and described telescopic cylinder drives floating pipe automatic telescopic in fixed-piping.
CN201521111795.XU 2015-12-28 2015-12-28 Flow flow resistance coefficient detection device of valve Expired - Fee Related CN205300835U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521111795.XU CN205300835U (en) 2015-12-28 2015-12-28 Flow flow resistance coefficient detection device of valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521111795.XU CN205300835U (en) 2015-12-28 2015-12-28 Flow flow resistance coefficient detection device of valve

Publications (1)

Publication Number Publication Date
CN205300835U true CN205300835U (en) 2016-06-08

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Family Applications (1)

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CN201521111795.XU Expired - Fee Related CN205300835U (en) 2015-12-28 2015-12-28 Flow flow resistance coefficient detection device of valve

Country Status (1)

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CN (1) CN205300835U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105424264A (en) * 2015-12-28 2016-03-23 北航温州研究院 Valve flow and flow resistance coefficient detection device
CN106248366A (en) * 2016-09-05 2016-12-21 中国石油天然气股份有限公司 Automatically flow into control valve and flow into characteristic test device
CN108168859A (en) * 2017-12-05 2018-06-15 浙江工业大学 Regulating valve cavitation diagnostic device
CN109000905A (en) * 2018-06-04 2018-12-14 泉州市沪航阀门制造有限公司 A kind of hydraulic characteristic(s) test device and test method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105424264A (en) * 2015-12-28 2016-03-23 北航温州研究院 Valve flow and flow resistance coefficient detection device
CN106248366A (en) * 2016-09-05 2016-12-21 中国石油天然气股份有限公司 Automatically flow into control valve and flow into characteristic test device
CN108168859A (en) * 2017-12-05 2018-06-15 浙江工业大学 Regulating valve cavitation diagnostic device
CN109000905A (en) * 2018-06-04 2018-12-14 泉州市沪航阀门制造有限公司 A kind of hydraulic characteristic(s) test device and test method

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160608

Termination date: 20161228