CN203412849U - Testing device of hydraulic system - Google Patents
Testing device of hydraulic system Download PDFInfo
- Publication number
- CN203412849U CN203412849U CN201320510593.7U CN201320510593U CN203412849U CN 203412849 U CN203412849 U CN 203412849U CN 201320510593 U CN201320510593 U CN 201320510593U CN 203412849 U CN203412849 U CN 203412849U
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- China
- Prior art keywords
- control logic
- logic unit
- hydraulic system
- testing
- proportional
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- Expired - Lifetime
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Abstract
The utility model discloses a testing device of a hydraulic system. The testing device of the hydraulic system comprises an I/O control logic unit, a touch screen device, a proportional amplifier, a proportional pressure valve, a pressure sensor, a flow sensor, a temperature sensor, a proximity switch and a direct-current relay. The touch screen device is connected with the I/O control logic unit through a communication line; an analog interface of the I/O control logic unit is connected with the proportional amplifier and an output port of the proportional amplifier is connected with the proportional pressure valve on an oil source outlet portion; the pressure sensor, the flow sensor, the temperature sensor and the proximity switch are respectively connected with analog input interfaces of the I/O control logic unit; the direct-current relay is connected with an output interface of the I/O control logic unit. According to the testing device of the hydraulic system, the sensors are used for collecting signals, and therefore the testing accuracy of the hydraulic system is improved. The testing processes are automatically controlled through the I/O control logic unit and the testing state can be automatically judged. The whole testing process can be monitored on line through a touch screen interface, so that a data curve is displayed, printed and output, and therefore fault analysis can be conducted conveniently.
Description
Technical field
The utility model relates to a kind of hydraulic system testing apparatus, is specifically a kind of automatic test device for testing hydraulic system.
Background technique
Along with the development of hydraulics, more and more higher to the technical feature required precision of hydraulic element, and need to get rid of fast on-the-spot hydraulic system fault.Traditional hydraulic pressure testing device mostly is the control gear that common electric components forms, and the performance of hydraulic system judges by manpower substantially, and automaticity is not high, and precision is difficult to guarantee.For on-the-spot hydraulic system fault, traditional hydraulic system test system, mobile inconvenient, can not well in conjunction with actual conditions, carry out fault eliminating.For improving hydraulic system testing precision, accelerate test speed, solve on-the-spot hydraulic system and test inconvenient problem, therefore design a kind of control gear of hydraulic system test, can not only provide withstand voltage, performance function and leakage test to hydraulic system, because device mobility is strong, also can easily get rid of on-the-spot hydraulic system fault.
Therefore, how in little amplitude, increasing under the prerequisite of cost, reach the testing precision, the efficiency that improve hydraulic system test, save time, laborsaving and can carry out in time analysing and processing to test result, is an important topic of hydraulic test.
Model utility content
Problem to be solved in the utility model is, overcome the defect that prior art exists, provide a kind of hydraulic system testing apparatus, automatically withstand voltage, the leakage test of testing hydraulic system and performance, function test and the convenient device of getting rid of on-the-spot hydraulic system fault.
For achieving the above object, this hydraulic system testing apparatus, comprises I/O control logic unit, touch panel device (human-computer interface device), proportional amplifier, proportional pressure valve, pressure transducer, flow transducer, temperature transducer, approach switch and DC relay; It is characterized in that: human-computer interface device is connected with I/O control logic unit by order wire; The analog interface of I/O unit is connected with amplifier, and the delivery outlet of proportional amplifier is connected with the proportional pressure valve in oil sources outlet port; Pressure transducer, flow transducer, temperature transducer and approach switch are connected on respectively the analog input interface of I/O control logic unit; DC relay connects the output interface of I/O control logic unit.
In use, the delivery outlet of amplifier is connected with the proportional pressure valve in oil sources outlet port, pressure transducer, flow transducer, temperature transducer are connected on respectively by the corresponding Check point of hydraulic pressure examining system, approach switch 11 is connected on the corresponding Check point of tested liquid pressing system oil cylinder, the switch contact of DC relay is received solenoid valve YV1, YV2, YV3, controls hydraulicdirectional control valve action.
The utility model device advantage is, adopts sensor collection signal, has improved the testing precision of hydraulic system.Adopt I/O control unit automatically to control each test process, judge voluntarily test mode, reached the object of intelligent automatic test.Can the whole test process of on-line monitoring by touch screen interface, data and curves is shown and printout, facilitate the analysis to fault.All devices concentrate on portable electric control box, take up room little, move, operate easily, wide accommodation.
Accompanying drawing explanation
Fig. 1 is the utility model hydraulic system testing apparatus schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1: a kind of hydraulic system testing apparatus, comprise a square Portable electric-control case 0, its side band three hole plugs 1 are electrically connected to switch power 2 with 220V city, and switch power 2 is linked a touch panel device 3 and I/O control logic unit 4.A switch power outlet port 24V tutorial light 13 in parallel.Touch screen 3 is connected with I/O control logic unit 4 by order wire.The analog interface of I/O control logic unit 4 is connected with proportional amplifier 5, and the delivery outlet of proportional amplifier 5 is connected with the proportional pressure valve 20 in the outlet port of oil sources by quick plug group 12 and cable.Pressure transducer 7 is arranged on the A place of tested liquid pressing system, by the analog input interface of quick plug group 12 access I/O control logic unit 4, pressure transducer 8 is arranged on tested liquid pressing system B place, by the analog input interface of quick plug group 12 access I/O control logic unit 4.Flow transducer 9 is arranged on tested liquid pressing system C place, by the analog input interface of quick plug group 12 access I/O control logic unit 4, for measuring flow.Temperature transducer 10 is arranged on tested liquid pressing system D place, by the analog input interface of quick plug group 12 access I/O control logic unit 4.In electric control box 0 side, buzzer 14 is housed, by the contact output alarm signal of DC relay module 6.The switch contact 6.1 of DC relay, by quick plug group 12, is received solenoid valve YV1, YV2, and YV3, controls hydraulicdirectional control valve action.
When test starts, tester selects input test instruction by touch screen 3, and test instruction conveys to I/O control logic unit 4 by connection.I/O control logic unit 4 carries out magnitude of voltage input according to the program comparative example amplifier 5 setting.And by the information of touch panel monitor system magnitude of voltage input state and Real-Time Monitoring sensor 7,8,9.When monitoring pressure transducer 7, reach setting value, 6 couples of solenoid valve YV1 of DC relay module are controlled in I/O control logic unit 4, YV2 carries out switching controls, and approach switch 11 is connected on the G place of tested liquid pressing system oil cylinder, can be monitored the motion state of oil cylinder by approach switch 11.After reaching set time, I/O control logic unit 4 stops the input of amplifier voltage, and at the object information that touches screen display test.According to the program I/O control logic unit 4 setting, can enter system pressurize test, output setting value voltage is to proportional amplifier, until pressure transducer 7 shows to setting value.Then control the KA3 of DC relay module 6 and then the pumping source oil circuit of control hydraulic system, the value of monitoring pressure in real time sensor 8 in the process of test, and test result information and test data are shown, are recorded on touch screen.In test process, for anomaly, I/O control logic unit 4 is controlled KA4 and is connected the buzzers warning message of automatically sounding, and reaches the object of automatic test.
Claims (1)
1. a hydraulic system testing apparatus, comprises I/O control logic unit, touch panel device, proportional amplifier, proportional pressure valve, pressure transducer, flow transducer, temperature transducer, approach switch and DC relay; It is characterized in that: touch panel device is connected with I/O control logic unit by order wire; The analog interface of I/O unit is connected with amplifier, and the delivery outlet of proportional amplifier is connected with the proportional pressure valve in oil sources outlet port; Pressure transducer, flow transducer, temperature transducer and approach switch are connected on respectively the analog input interface of I/O control logic unit; DC relay connects the output interface of I/O control logic unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320510593.7U CN203412849U (en) | 2013-08-21 | 2013-08-21 | Testing device of hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320510593.7U CN203412849U (en) | 2013-08-21 | 2013-08-21 | Testing device of hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412849U true CN203412849U (en) | 2014-01-29 |
Family
ID=49975738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320510593.7U Expired - Lifetime CN203412849U (en) | 2013-08-21 | 2013-08-21 | Testing device of hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994128A (en) * | 2014-04-29 | 2014-08-20 | 北京航天发射技术研究所 | On-line automatic pressure calibration system and method for hydraulic system |
-
2013
- 2013-08-21 CN CN201320510593.7U patent/CN203412849U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994128A (en) * | 2014-04-29 | 2014-08-20 | 北京航天发射技术研究所 | On-line automatic pressure calibration system and method for hydraulic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING ESTUN AUTOMATION CO., LTD. Free format text: FORMER OWNER: AIERFA ELECTROHYDRAULIC TECHNOLOGY CO., LTD., NANJING CITY Effective date: 20150906 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150906 Address after: 211100 Jiangning Economic Development Zone, Jiangsu Province, general Avenue, No. 155, No. Patentee after: NANJING ESTUN AUTOMATION Co. Address before: Shengtai Industrial Park No. 88 SIEMENS road 211100 Jiangsu city of Nanjing province Jiangning economic and Technological Development Zone Patentee before: Nanjing Alpha Electro-hydraulic Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |