CN106370343A - Blower fan feature multipoint pressure synchronous measurement test system - Google Patents
Blower fan feature multipoint pressure synchronous measurement test system Download PDFInfo
- Publication number
- CN106370343A CN106370343A CN201610808014.5A CN201610808014A CN106370343A CN 106370343 A CN106370343 A CN 106370343A CN 201610808014 A CN201610808014 A CN 201610808014A CN 106370343 A CN106370343 A CN 106370343A
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- test
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- pipe
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
Abstract
The invention discloses a blower fan feature multipoint pressure synchronous measurement test system. The system comprises miniaturized impact pipes, support bars and a test pipe, wherein the miniaturized impact pipes are capillary stainless steel pipes appearing to be right-angle-shaped, the pipe wall of one side of each support is provided with grooves, the pipe wall of the other side is provided with holes, the quantities and positions of diameters in a test cross section on the test pipe and the quantities and positions of test points on each diameter are determined according to a log-linear method or a log-Tchebycheff method, one right-angle side of each miniaturized impact pipe successively extend from each hole, the other right-angle sides are successively fixed in the grooves in a superposed mode, the two ends of each support bar are fixed on the pipe wall of the test pipe, four static pressure holes are equally distributed on the pipe wall where the test cross section is disposed, and the end portion of the extending end of each miniaturized impact pipe and the four static pressure holes are disposed on the same test cross section. The system has the following advantages: the test efficiency is improved, the test accuracy is improved, the system has a data collection processing analysis function, and test data is displayed in real time.
Description
Technical field
The present invention relates to a kind of fan characteristic multipoint pressure synchro measure test system.
Background technology
EMUs are the Core equipments of high-speed railway, and traction electric machine is EMUs critical component.Turn to positioned at EMUs
Whether the traction electric machine on frame normal work can decide whether vehicle can normally run, and direct relation EMUs on the line
Reliability of operation and safety.Ensure that the one of important work of the normal operation of traction electric machine is ensuring that traction electric machine
Proper heat reduction is so as to maintain in normal operating temperature range.At present EMUs traction electric machine it is contemplated that the efficiency of radiating with
Economy, radiating mode is based on forced ventilation radiating.EMUs traction electric machine cooling system is mainly by cooling blower and air channel
Composition, the air quantity that blower fan produces, traction electric machine is conveyed to by air channel, traction electric machine heat is taken away by air and is radiated.
Different types, the traction electric machine of different installation have different requirements to the conveying air quantity in blower fan and air channel.
In order to ensure blower fan passes through air channel to the traction electric machine enough air quantity of conveying it is ensured that traction electric machine proper heat reduction, blower fan factory
Family and high ferro manufacturing firm be required for traction electric machine cooling blower and characteristic curve of air duct are tested, obtain compressor flow with
Pressure characteristic, duct resistance and rating curve.Demand according to traction electric machine chooses suitable blower fan, air channel, or
Be in alignment with standby get on the bus the blower fan of installation and test in air channel, checking its performance whether to reach the cooling of EMUs traction electric machine will
Ask.
At present, flow rate of fan pressure measurement method is according to national standard " gb/t 10178-2006 industrial ventilation machine
Field performance test " and " gb/t 1236-2000 ventilator air power performance test method " medium velocity area-method carry out measurement pipe
Road flow.According to GB flow pressure measurement standard, on pipe and square tube, measurement flow all need to measure on a section respectively
The speed of 24 or 30 measuring points (point position that GB is formulated), common method of testing is according to GB cloth with Pitot static tube
Point, the velocity pressure value of each point of pointwise mobile test, take all measuring point speed arithmetic's meansigma methodss to be multiplied by area of section and obtain
Flow, takes all measuring point pressure arithmetic mean of instantaneous values as pressure value, the method inefficiency, complex operation, DATA REASONING does not have
Synchronism, accuracy is not high, and data needs artificial reading to record, and workload is big.
Content of the invention
The invention provides a kind of fan characteristic multipoint pressure synchro measure test system, it can measure multipoint pressure simultaneously
Value, makes DATA REASONING have synchronism, accuracy improves, and carries data acquisition process analytic function, can show survey in real time
Examination data.
Described fan characteristic multipoint pressure synchro measure test system includes miniature ram-air pipe, support bar, testing tube, described
Miniature ram-air pipe is the capillary stainless steel tube of the rectangular shape of profile, and described support bar side tube wall has groove, opposite side tube wall
On have hole, according to the middle linear approach in national standard " test of gb/t 10178-2006 industrial ventilation machine field performance " or cut
Bei Qiefufa determines diameter quantity, position and the number being distributed in each test point diametrically testing in cross section on testing tube
Amount, position, the quantity of described support bar and its position distribution in pipeline test cross section and described diameter quantity and position
Identical, the quantity in described hole is identical in each quantity diametrically and position with described test point with position, described miniature total head
The quantity of pipe is identical with the quantity in described hole, and a right-angle side of described miniature ram-air pipe stretches out successively from each described hole,
Another right-angle side is superimposed in turn and fixed in described groove, and described support bar two ends are fixed on the tube wall of testing tube, makes described
The quantity of end of the quantity of testing tube cross section upper support bar, position and miniature ram-air pipe external part, position and described diameter
Quantity, position and be distributed in the tube wall that the quantity of each test point diametrically, position are identical, are located in described test cross section
Upper decile is distributed with four baroports, and the end of each described miniature ram-air pipe external part and described four baroports are located at same
On described test cross section.
The axis of symmetry of the cross section of described support bar is symmetrical with the described hole of the cross section positioned at same described support bar
Axle, the symmetrical overlapping of axles of described groove, described support bar cross section is drops, and described hole is opened in the thick head of described support bar, institute
State the thin head that groove is opened in described support bar.The widest part of described support bar is 3.25mm, has the hole of 1.15mm, thin head has width
1.15mm, the groove of deep 4.5mm.
Each described miniature ram-air pipe connects a differential pressure pick-up, and each baroport connects a differential pressure pick-up, institute
State fan characteristic multipoint pressure synchro measure test system and also include data collection and analysis module, described data collection and analysis
Module includes vasculum and computer, is packaged with hardware in data acquisition device, and described hardware includes differential pressure pick-up, data acquisition
Card, regulated power supply, switch, data transmission module, hardware is fixed with control panel, and control panel has network interface, temperature and humidity pressure
Sensor interface and metal tube, warm and humid pressure sensor is located at outside vasculum；Miniature ram-air pipe and baroport are by hose connection control
Metal tube on panel processed, differential pressure sensor signal line connects data collecting card, and data collecting card connects regulated power supply；Data is adopted
Truck transfers data to switch, and warm and humid pressure sensor is connected on switch by data acquisition device control panel interface,
Switch receiving data capture card and temperature and humidity pressure sensing data, and the network interface by control panel on data acquisition device and calculating
Machine connects, and carries out test data transmission.
Compared with prior art, the invention has the advantages that the present invention can measure multipoint pressure value simultaneously, improving
Improve test accuracy while testing efficiency, and carry data acquisition process analytic function, can make to show test number in real time
According to.
Brief description
Fig. 1 is miniature ram-air pipe and support bar assembling figure；
Fig. 2 is support bar schematic cross-section；
Fig. 3 is the local scheme of installation of miniature ram-air pipe, support bar and testing tube；
Fig. 4 is the integral installation schematic diagram of miniature ram-air pipe, support bar and testing tube；
Fig. 5 is data collection and analysis module annexation figure；
The miniature ram-air pipe of in figure: 1-, 2- support bar, 3- groove, 4- baroport, 5- testing tube wall.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Described fan characteristic multipoint pressure synchro measure test system includes miniature ram-air pipe 1, support bar 2, testing tube, described micro-
Type ram-air pipe 1 is the capillary stainless steel tube of the rectangular shape of profile, and described support bar 2 side tube wall has groove, opposite side tube wall
On have hole, determined on testing tube according to middle linear approach or Qie Beiqiefufa diameter quantity in test cross section, position and point
The cloth quantity of test point diametrically, position at each, the quantity of described support bar 2 and its position in pipeline test cross section
Put distribution identical with described diameter quantity and position, the quantity in described hole and position and described test point number diametrically at each
Amount is identical with position, and the quantity of described miniature ram-air pipe 1 is identical with the quantity in described hole, and one of described miniature ram-air pipe 1 straight
The arm of angle stretches out successively from each described hole, and another right-angle side is superimposed in turn and fixed in described groove 3,2 liang of described support bar
End is fixed on the tube wall of testing tube, so that quantity, position and the miniature ram-air pipe 1 of described testing tube cross section upper support bar 2 is stretched
Go out quantity, position and described diameter quantity, the position of the end at end and be distributed in the quantity of each test point diametrically, position
Identical, on the tube wall that described test cross section is located, decile is distributed with four baroports 4, and each described miniature ram-air pipe 1 is stretched
Go out the end at end and described four baroports 4 are located on same described test cross section.
The axis of symmetry of cross section of described support bar 2 is right with the described hole of the cross section positioned at same described support bar 2
Claim axle, the symmetrical overlapping of axles of described groove, described support bar 2 cross section is drops, and described hole is opened in the thick of described support bar 2
Head, described groove 3 is opened in the thin head of described support bar；The widest part of described support bar 2 is 3.25mm, has the hole of 1.15mm, carefully
Head has wide 1.15mm, the groove 3 of deep 4.5mm.
Each described miniature ram-air pipe 1 connects a differential pressure pick-up, and each baroport 4 connects a differential pressure pick-up,
Described fan characteristic multipoint pressure synchro measure test system also includes data collection and analysis module, described data acquisition with point
Analysis module includes vasculum and computer, and data acquisition device is communicated by network interface with computer, encapsulation in data acquisition device
There is hardware, described hardware includes differential pressure pick-up, data collecting card, regulated power supply, switch, data transmission module, on hardware
It is fixed with control panel, control panel has outlet, on and off switch, electric fuse, network interface, differential pressure pick-up interface and Lian Jin
Belong to pipe, regulated power supply obtains 220v alternating voltage from outlet from the external world, 220v alternating voltage is converted to 5v and 12v direct current
Voltage output, differential pressure pick-up power line connects regulated power supply, obtains 5v DC voltage；Holding wire connects data collecting card, leads to
Cross data collecting card differential pressure sensor signal is acquired；Miniature ram-air pipe and baroport pass through hose connection data acquisition device
Metal tube on control panel；Data collecting card connects regulated power supply, obtains 12v DC voltage；Receive multiple sensor signals
Input, carries out data acquisition, by data transmission module output signal, is connected to switch；Warm and humid pressure sensor will measure survey
The temperature at examination scene, humidity, atmospheric pressure, therefore can not be encapsulated in vasculum, warm and humid pressure sensor passes through data acquisition
Case control panel interface is connected on the switch of data acquisition device, switch receiving data capture card and warm and humid pressure sensor number
According to, by the network interface of control panel on data acquisition device with calculate be connected, carry out test data transmission.During test, control panel
Upper outlet connects extraneous 220v alternating voltage, and network interface is connected with computer by netting twine, and warm and humid pressure sensor is connected on interface
On, turn on the power switch, connect computer software and tested, the pressure that miniature ram-air pipe and baroport are experienced by flexible pipe
Pass to differential pressure pick-up, the pressure signal of acquisition is converted to electric signal transmission to data collecting card, data by differential pressure pick-up
Capture card transfers data to switch；Temperature, humidity, atmosphere pressure signal are converted to the signal of telecommunication by warm and humid pressure sensor, pass
Defeated to switch；Differential pressure sensor signal and temperature and humidity pressure sensor signal are transferred to computer by network interface by switch, calculate
Machine software program carries out process to data and is calculated the numerical value such as real-time pressure, flow.
Claims (4)
1. fan characteristic multipoint pressure synchro measure test system it is characterised in that: described inclusion miniature ram-air pipe, support bar,
Testing tube, described miniature ram-air pipe is the capillary stainless steel tube of the rectangular shape of profile, and described support bar side tube wall has groove,
Have hole on opposite side tube wall, the diameter number in test cross section on testing tube is determined according to middle linear approach or Qie Beiqiefufa
Amount, position and be distributed in the quantity of each test point diametrically, position, the quantity of described support bar and its test horizontal in pipeline
Position distribution in section is identical with described diameter quantity and position, and the quantity in described hole and position and described test point are at each
Quantity diametrically is identical with position, and the quantity of described miniature ram-air pipe is identical with the quantity in described hole, described miniature ram-air pipe
A right-angle side stretch out from each described hole successively, another right-angle side is superimposed in turn and fixed in described groove, described
Strut two ends are fixed on the tube wall of testing tube, make quantity, position and the miniature total head of described testing tube cross section upper support bar
The quantity of the end of pipe external part, position and described diameter quantity, position and be distributed in each test point diametrically quantity,
Position is identical, and on the tube wall that described test cross section is located, decile is distributed with four baroports, each described miniature ram-air pipe
The end of external part is located on same described test cross section with described four baroports.
2. fan characteristic multipoint pressure synchro measure test system according to claim 1 it is characterised in that: described support
The axis of symmetry of the axis of symmetry of the cross section of bar and the axis of symmetry in described hole positioned at the cross section of same described support bar, described groove
Overlap, described support bar cross section is drops, described hole is opened in the thick head of described support bar, and described groove is opened in described support bar
Thin head.
3. fan characteristic multipoint pressure synchro measure test system according to claim 2 it is characterised in that: described support
The widest part of bar is 3.25mm, has the hole of 1.15mm, and thin head has wide 1.15mm, the groove of deep 4.5mm.
4. the fan characteristic multipoint pressure synchro measure test system according to claim 1 or 2 or 3 it is characterised in that: every
Individual described miniature ram-air pipe connects a differential pressure pick-up, and each baroport connects a differential pressure pick-up, described fan characteristic
Multipoint pressure synchro measure test system also includes data collection and analysis module, and described data collection and analysis module includes adopting
Header and computer, are packaged with hardware in data acquisition device, and described hardware includes differential pressure pick-up, data collecting card, voltage stabilizing electricity
Source, switch, data transmission module, hardware is fixedly arranged above control panel, control panel has network interface, warm and humid pressure sensor connect
Mouth and metal tube, warm and humid pressure sensor is located at outside vasculum；Miniature ram-air pipe and baroport pass through on hose connection control panel
Metal tube, differential pressure sensor signal line connect data collecting card, data collecting card connect regulated power supply；Data collecting card is by number
According to being transferred to switch, warm and humid pressure sensor is connected on switch by data acquisition device control panel interface, and switch connects
Receive data collecting card and temperature and humidity pressure sensing data, and be connected with computer by the network interface of control panel on data acquisition device,
Carry out test data transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808014.5A CN106370343B (en) | 2016-09-07 | 2016-09-07 | Fan characteristic multipoint pressure synchro measure test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808014.5A CN106370343B (en) | 2016-09-07 | 2016-09-07 | Fan characteristic multipoint pressure synchro measure test macro |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106370343A true CN106370343A (en) | 2017-02-01 |
| CN106370343B CN106370343B (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610808014.5A Active CN106370343B (en) | 2016-09-07 | 2016-09-07 | Fan characteristic multipoint pressure synchro measure test macro |
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Cited By (3)
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| CN109098995A (en) * | 2017-06-21 | 2018-12-28 | 中车青岛四方机车车辆股份有限公司 | A kind of traction electric machine cooling system air duct and draught fan performance test method and device |
| CN110411644A (en) * | 2019-08-01 | 2019-11-05 | 河海大学常州校区 | A kind of pipeline pressure intelligent checking system |
| CN107727308B (en) * | 2017-10-18 | 2020-03-03 | 沈阳工业大学 | Steel pipe column expansion crack failure internal pressure multi-point control automatic alarm system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109098995A (en) * | 2017-06-21 | 2018-12-28 | 中车青岛四方机车车辆股份有限公司 | A kind of traction electric machine cooling system air duct and draught fan performance test method and device |
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| CN110411644A (en) * | 2019-08-01 | 2019-11-05 | 河海大学常州校区 | A kind of pipeline pressure intelligent checking system |
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| CN106370343B (en) | 2019-04-30 |
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Effective date of registration: 20211217 Address after: 410006 No. 557, building 1, R & D headquarters, Science Park, Central South University, Yuelushan University Science and Technology City, Yuelu District, Changsha City, Hunan Province Patentee after: Sinohydro (Hunan) Rail Transit Co.,Ltd. Address before: Yuelu District City, Hunan province 410083 Changsha Lushan Road No. 932 Patentee before: CENTRAL SOUTH University |
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Effective date of registration: 20230424 Address after: No. 501, Building 1, Zhongnan University Science and Technology Park (R&D), Yingzuo Road, Yuelu Street, Yuelu District, Changsha City, Hunan Province, 410000 Patentee after: China hydrogen (Hunan) Hydrogen Equipment Co.,Ltd. Address before: 410006 No. 557, building 1, R & D headquarters, Science Park, Central South University, Yuelushan University Science and Technology City, Yuelu District, Changsha City, Hunan Province Patentee before: Sinohydro (Hunan) Rail Transit Co.,Ltd. |