CN105020205A - Air cooler performance intelligent test system - Google Patents
Air cooler performance intelligent test system Download PDFInfo
- Publication number
- CN105020205A CN105020205A CN201510404223.9A CN201510404223A CN105020205A CN 105020205 A CN105020205 A CN 105020205A CN 201510404223 A CN201510404223 A CN 201510404223A CN 105020205 A CN105020205 A CN 105020205A
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- China
- Prior art keywords
- air cooler
- flow
- forced air
- test system
- oil
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
Abstract
The invention discloses an air cooler performance intelligent test system. According to a hydraulic test system of the air cooler performance intelligent test system, the two sides of an air cooler are provided with a temperature sensor II and a temperature sensor III, through the temperature difference between the temperature sensor II and the temperature sensor III, the performance of the air cooler can be tested, at the same time, the hydraulic test system is controlled by a PLC control system, automation of the whole test system is realized, manual adjustment is unnecessary, data is collected through a data collection system and is stored through a host computer platform, manual recording is unnecessary, the test precision and the efficiency are improved, the test process of the performance of the air cooler is simplified, and the time and energy of testers are saved. The air cooler performance intelligent test system is applied to the field of testing.
Description
Technical field
The present invention relates to field tests, particularly relate to a kind of intelligent test system of forced air cooler performance.
Background technique
At present, need before forced air cooler dispatches from the factory to carry out testing property, need different traffic profile in test process, common hydraulic test bed adopts conventional Flow valve, fluid flow needs manual tune to realize, this expends a large amount of time and efforts of tester, and the validity of flow is also inadequate, the hand adjustment of existing test bench flow, inconvenient, time-consuming, flow is the defect such as inaccurate also, causes test data inaccuracy.Simultaneously, the function that common hydraulic test bed is not preserved data such as temperature, pressure and flows and printed, the function of data processing is not had yet, tester needs manually to record data in test process, and then input in computer the performance curve obtaining forced air cooler, this process also needs a large amount of time and efforts, and efficiency is very low.
Summary of the invention
For solving the problem, the invention provides the intelligent test system that a kind of automatic control also can improve the forced air cooler performance of testing precision and efficiency.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of intelligent test system of forced air cooler performance, the PLC control system comprising host computer platform and controlled by host computer platform, PLC control system hydraulic control test system, the data of hydraulic test system test forced air cooler performance also feed data back to PLC control system by data acquisition system simultaneously, hydraulic test system is included in the oil feeding system of forced air cooler both sides setting and goes out oil system, oil feeding system and go out oil system and form circulation loop by fuel tank, oil feeding system is provided with temperature transducer II near forced air cooler end, go out oil system and be provided with temperature transducer III near forced air cooler end.
Be further used as the improvement of technical solution of the present invention, oil feeding system is also provided with flow system, flow system comprises for the proportional flow control valve of Flow-rate adjustment or servo flow valve and flow transducer, and proportional flow control valve or servo flow valve and flow transducer feed back and be close-loop control mode.
Being further used as the improvement of technical solution of the present invention, in the closed loop control of flow system, also comprising the pid correction for correcting.
Be further used as the improvement of technical solution of the present invention, oil feeding system includes oil-feed filtration system, proportional flow control valve or servo flow valve, flow transducer successively, proportional flow control valve or be also provided with temperature transducer II and pressure transducer I between servo flow valve and flow transducer.
Be further used as the improvement of technical solution of the present invention, oil feeding system is also provided with the supplementary oil feeding system for supplementary flow, and supplementary oil feeding system is connected to proportional flow control valve or servo flow valve, supplements oil feeding system and is provided with oil-feed filtration system.
Be further used as the improvement of technical solution of the present invention, oil-feed filtration system comprises oil absorption filter, vane pump, pressure piping filter, one-way valve successively.
Be further used as the improvement of technical solution of the present invention, be also provided with electromagnetic pilot relief valve between vane pump and pressure piping filter, electromagnetic pilot relief valve is provided with pipeline and is connected to fuel tank.
Be further used as the improvement of technical solution of the present invention, go out oil system and comprise temperature transducer III, pressure transducer II and return filter.
Be further used as the improvement of technical solution of the present invention, be provided with temperature transducer I in fuel tank, take into account air-strainer for the electric heating tube, the liquid level that heat.
Be further used as the improvement of technical solution of the present invention, host computer platform comprises user log-in block, communication module, display and operational module, parameter setting module, data acquisition module, data memory module, and the data that data memory module stores are out printable.
Beneficial effect of the present invention: the hydraulic test system of the intelligent test system of this forced air cooler performance is provided with temperature transducer II and temperature transducer III in forced air cooler both sides, by the temperature difference of temperature transducer II and temperature transducer III, just can test out the performance of forced air cooler, simultaneously by PLC control system hydraulic control test system, whole test system is made to be achieved automation, do not need manual tune, and collect data and host computer platform storage data by data acquistion system, do not need manual record, improve testing precision and efficiency, simplify the test process of forced air cooler performance, save tester's time and efforts.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is hydraulic test system overall structure schematic diagram described in the embodiment of the present invention;
Fig. 2 is embodiment of the present invention control principle schematic diagram;
Fig. 3 is embodiment of the present invention signal flow graph;
Fig. 4 is the functional module structure figure of embodiment of the present invention Labview TT&C system;
Fig. 5 is the closed-loop control block figure of flow system described in the embodiment of the present invention.
Embodiment
With reference to Fig. 1 ~ Fig. 5, the present invention is a kind of intelligent test system of forced air cooler performance, the PLC control system comprising host computer platform and controlled by host computer platform, PLC control system hydraulic control test system, the data of hydraulic test system test forced air cooler performance also feed data back to PLC control system by data acquisition system simultaneously, hydraulic test system is included in the oil feeding system of forced air cooler 24 both sides setting and goes out oil system, oil feeding system and go out oil system and form circulation loop by fuel tank 1, oil feeding system is provided with temperature transducer II 21 near forced air cooler 24 end, go out oil system and be provided with temperature transducer III 25 near forced air cooler 24 end.
The hydraulic test system of the intelligent test system of this forced air cooler performance is provided with temperature transducer II 21 and temperature transducer III 25 in forced air cooler 24 both sides, by the temperature difference of temperature transducer II 21 and temperature transducer III 25, just can test out the performance of forced air cooler, simultaneously by PLC control system hydraulic control test system, whole test system is made to be achieved automation, do not need manual tune, and collect data and host computer platform storage data by data acquistion system, do not need manual record, improve testing precision and efficiency, simplify the test process of forced air cooler performance, save tester's time and efforts.
As the preferred embodiment of the present invention, oil feeding system is also provided with flow system, flow system comprises for the proportional flow control valve of Flow-rate adjustment or servo flow valve 20 and flow transducer 22, and proportional flow control valve or servo flow valve 20 feed back with flow transducer 22 and be close-loop control mode.
As the preferred embodiment of the present invention, in the closed loop control of flow system, also comprise the pid correction for correcting.
As Fig. 5, the Flow-rate adjustment adoption rate Flow valve of oil feeding system or the close-loop control mode of servo flow valve 20 and flow transducer 22 feedback in hydraulic test system, after user inputs target flow, the given input signal Ui of host computer platform, deviation signal Ue is obtained after comparing with flow transducer 22 feedback element, by being input to proportional flow control valve or servo flow valve 20 after pid correction link, by the size control system fluid flow of valve core opening, thus obtain accurate flow.
As the preferred embodiment of the present invention, oil feeding system includes oil-feed filtration system, proportional flow control valve or servo flow valve 20, flow transducer 22 successively, proportional flow control valve or be also provided with temperature transducer II 21 and pressure transducer I 23 between servo flow valve 20 and flow transducer 22.
As the preferred embodiment of the present invention, oil feeding system is also provided with the supplementary oil feeding system 18 for supplementary flow, supplements oil feeding system 18 and is connected to proportional flow control valve or servo flow valve 20, supplements oil feeding system and is provided with oil-feed filtration system.
Just start when the flow of oil feeding system is inadequate and supplement oil feeding system.If the peak rate of flow of forced air cooler 24 exceedes the peak rate of flow of vane pump 5, now need the vane pump 5 of the vane pump 5 in oil feeding system and supplementary oil feeding system 18 to run fuel feeding, all the other test process are the same simultaneously.
As the preferred embodiment of the present invention, oil-feed filtration system comprises oil absorption filter 3, vane pump 5, pressure piping filter 14, one-way valve 13 successively.
As the preferred embodiment of the present invention, be also provided with electromagnetic pilot relief valve 15 between vane pump 5 and pressure piping filter 14, electromagnetic pilot relief valve 15 is provided with pipeline and is connected to fuel tank 1.
As the preferred embodiment of the present invention, go out oil system and comprise temperature transducer III 25, pressure transducer II 26 and return filter 28.Go out oil system and also comprise throttle valve 27.
As the preferred embodiment of the present invention, in fuel tank 1, be provided with temperature transducer I 11, electric heating tube 2, level meter 4 and air-strainer 9 for heating.
As the preferred embodiment of the present invention, host computer platform comprises user log-in block, communication module, display and operational module, parameter setting module, data acquisition module, data memory module, and the data that data memory module stores are out printable.
Host computer platform adopts Labview TT&C system, comprise user log-in block, communication module, display and operational module, parameter setting module, data acquisition module, data memory module, parameter setting module completes the setting to PLC control system and sensor relevant parameter, and parameter setting module can also be arranged parameters such as the model specifications of system oil flow quantity, forced air cooler.Data acquisition module is responsible for gathering the analog signalses such as pressure, flow and temperature, and data memory module is responsible for preserving the data in test process, finally test report is stored as Word document or TXT document format, can directly print.Test report comprises the information such as flow-pressure differential curve, flow-power curve, forced air cooler inlet temperature and pressure, forced air cooler outlet temperature and pressure, automatically generates, without the need to artificial calculating.
Process control machine software adopts Labview, capture card is delivered to after the signals such as temperature, pressure and flow are collected by sensor, Labview platform is sent to again by capture card, by Modbus protocol between Labview and PLC, PLC is by D/A module control ratio or servo flow valve, guide's electromagnetic relief valve is directly controlled by relay, and then hydraulic control test system.
Hydraulic system obtains the process of forced air cooler performance: press the oil feeding system electric motor starting button above upper-position unit, motor 6 in oil feeding system starts and drives vane pump 5 to operate, guide's electromagnetic relief valve 15 off-load, fluid arrives vane pump 5 after oil absorption filter 3, then through guide's electromagnetic relief valve 15 directly oil sump tank.Tester inputs target flow value 1 and working time 1 successively on host computer platform, target flow value 2 and working time 2, target flow value 3 and working time 3 ..., then click and start testing button, guide's electromagnetic relief valve 15 obtains electric, and the fluid inside fuel tank is successively through oil absorption filter 3, vane pump 5, pressure piping filter 14, one-way valve 13, proportional flow control valve or servo flow valve 20, forced air cooler 24, throttle valve 27, get back to fuel tank again after return filter 28, control system control ratio Flow valve or servo flow valve 20 make the fluid through forced air cooler 24 remain on target flow value 1, temperature transducer I 11, temperature transducer II 21, temperature transducer III 25 measures fuel tank oil liquid temperature respectively in real time, forced air cooler 24 imported oil liquid temp and forced air cooler 24 export oil liquid temperature, pressure transducer I 23, pressure transducer II 26 measures forced air cooler 24 imported oil hydraulic coupling and forced air cooler outlet oil liquid pressure respectively in real time, and these sensors pass to capture card the result measured, and capture card gives Labview TT&C system data again, after working time 1 has arrived, control system control ratio Flow valve or servo flow valve 20 make the fluid through forced air cooler 24 remain on target flow value 2, temperature transducer I 11, temperature transducer II 21, temperature transducer III 25 measures fuel tank oil liquid temperature respectively in real time, forced air cooler imported oil liquid temp and forced air cooler outlet oil liquid temperature, pressure transducer I 23, pressure transducer II 26 measures forced air cooler imported oil hydraulic coupling and forced air cooler outlet oil liquid pressure respectively in real time, these sensors pass to capture card the result measured, capture card gives Labview TT&C system data again, the like, after having tested, guide's electromagnetic relief valve 15 dead electricity, vane pump 5 off-load, tester closes throttle valve 27, and forced air cooler 24 is disassembled, open throttle valve 27 after changing another typhoon cooler 24, the operation before then repeating is tested.In test process, upper-position unit calculates pressure reduction and power etc. according to data such as the pressure collected, flow and temperature, and automatically draw the performance curve of forced air cooler 24, comprise flow-pressure differential curve, flow-power curve etc., automatic generation test report, has tested rear tester and directly test report has been printed.
The present invention is a kind of intelligent test system of forced air cooler performance, comprises hydraulic test system, data acquistion system, PLC control system and host computer platform.The temperature of data acquisition system hydraulic test system, the information such as pressure and flow, upper-position unit is input to through capture card, data acquistion system output signal is normal voltage or electric current, PLC control system processes data according to the relevant information of host computer platform, export control command hydraulic control test system, in test process, the data storage module of host computer platform preserves test data automatically simultaneously, test terminates rear upper-position unit and test report is stored as Word document or TXT document, printing test report the test simultaneously, adopt this intelligent test system, the test process of forced air cooler performance can be simplified, improve testing precision and efficiency, save the time and efforts that tester is a large amount of.
Certainly, the invention is not limited to above-mentioned mode of execution, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (10)
1. the intelligent test system of a forced air cooler performance, it is characterized in that: the PLC control system comprising host computer platform and controlled by described host computer platform, described PLC control system hydraulic control test system, the data of described hydraulic test system test forced air cooler performance also feed data back to PLC control system by data acquisition system simultaneously, described hydraulic test system is included in the oil feeding system of forced air cooler (24) both sides setting and goes out oil system, described oil feeding system and go out oil system by fuel tank (1) composition circulation loop, described oil feeding system is provided with temperature transducer II (21) near forced air cooler (24) end, described go out oil system near forced air cooler (24) end be provided with temperature transducer III (25).
2. the intelligent test system of forced air cooler performance according to claim 1, it is characterized in that: described oil feeding system is also provided with flow system, described flow system comprises for the proportional flow control valve of Flow-rate adjustment or servo flow valve (20) and flow transducer (22), and described proportional flow control valve or servo flow valve (20) feed back with flow transducer (22) and be close-loop control mode.
3. the intelligent test system of forced air cooler performance according to claim 2, is characterized in that: also comprise the pid correction for correcting in the closed loop control of described flow system.
4. according to the intelligent test system of described forced air cooler performance any in claims 1 to 3, it is characterized in that: described oil feeding system includes oil-feed filtration system, proportional flow control valve or servo flow valve (20), flow transducer (22) successively, described proportional flow control valve or be also provided with temperature transducer II (21) and pressure transducer I (23) between servo flow valve (20) and flow transducer (22).
5. the intelligent test system of forced air cooler performance according to claim 4, it is characterized in that: described oil feeding system is also provided with the supplementary oil feeding system (18) for supplementary flow, described supplementary oil feeding system (18) is connected to proportional flow control valve or servo flow valve (20), and described supplementary oil feeding system is provided with oil-feed filtration system.
6. the intelligent test system of forced air cooler performance according to claim 5, is characterized in that: described oil-feed filtration system comprises oil absorption filter (3), vane pump (5), pressure piping filter (14), one-way valve (13) successively.
7. the intelligent test system of forced air cooler performance is stated according to claim 6, it is characterized in that: be also provided with electromagnetic pilot relief valve (15) between described vane pump (5) and pressure piping filter (14), described electromagnetic pilot relief valve (15) is provided with pipeline and is connected to fuel tank (1).
8., according to the intelligent test system of described forced air cooler performance any in claims 1 to 3, it is characterized in that: described in go out oil system and comprise temperature transducer III (25), pressure transducer II (26) and return filter (28).
9. according to the intelligent test system of described forced air cooler performance any in claims 1 to 3, it is characterized in that: in described fuel tank (1), be provided with temperature transducer I (11), electric heating tube (2), level meter (4) and air-strainer (9) for heating.
10. the intelligent test system of forced air cooler performance according to claim 1, it is characterized in that: described host computer platform comprises user log-in block, communication module, display and operational module, parameter setting module, data acquisition module, data memory module, and the data that described data memory module stores are out printable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404223.9A CN105020205A (en) | 2015-07-10 | 2015-07-10 | Air cooler performance intelligent test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404223.9A CN105020205A (en) | 2015-07-10 | 2015-07-10 | Air cooler performance intelligent test system |
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| Publication Number | Publication Date |
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| CN105020205A true CN105020205A (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510404223.9A Pending CN105020205A (en) | 2015-07-10 | 2015-07-10 | Air cooler performance intelligent test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841419A (en) * | 2016-04-01 | 2016-08-10 | 安庆市达东电子科技有限公司 | Forming machine cooler cleaning and maintaining assembly |
| CN107178540A (en) * | 2017-06-29 | 2017-09-19 | 广州市日森机械股份有限公司 | A kind of hydraulic system forced air cooler heat-dissipation performance test device |
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| CN202057812U (en) * | 2011-07-26 | 2011-11-30 | 北京丰荣航空科技有限公司 | Lubricating oil radiator experimental bench |
| JP2012002673A (en) * | 2010-06-17 | 2012-01-05 | Espec Corp | Environment test apparatus |
| CN103018064A (en) * | 2012-11-28 | 2013-04-03 | 深圳市禾望电气有限公司 | Test module and test device for liquid cooling radiator |
| CN204783958U (en) * | 2015-07-10 | 2015-11-18 | 广州市日森机械股份有限公司 | Intelligent test system of forced air cooler performance |
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2015
- 2015-07-10 CN CN201510404223.9A patent/CN105020205A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012002673A (en) * | 2010-06-17 | 2012-01-05 | Espec Corp | Environment test apparatus |
| CN202057812U (en) * | 2011-07-26 | 2011-11-30 | 北京丰荣航空科技有限公司 | Lubricating oil radiator experimental bench |
| CN103018064A (en) * | 2012-11-28 | 2013-04-03 | 深圳市禾望电气有限公司 | Test module and test device for liquid cooling radiator |
| CN204783958U (en) * | 2015-07-10 | 2015-11-18 | 广州市日森机械股份有限公司 | Intelligent test system of forced air cooler performance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841419A (en) * | 2016-04-01 | 2016-08-10 | 安庆市达东电子科技有限公司 | Forming machine cooler cleaning and maintaining assembly |
| CN107178540A (en) * | 2017-06-29 | 2017-09-19 | 广州市日森机械股份有限公司 | A kind of hydraulic system forced air cooler heat-dissipation performance test device |
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Application publication date: 20151104 |
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