CN203600656U - Fault monitoring system of hydraulic system and hydraulic machine - Google Patents
Fault monitoring system of hydraulic system and hydraulic machine Download PDFInfo
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- CN203600656U CN203600656U CN201320690061.6U CN201320690061U CN203600656U CN 203600656 U CN203600656 U CN 203600656U CN 201320690061 U CN201320690061 U CN 201320690061U CN 203600656 U CN203600656 U CN 203600656U
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Abstract
The utility model provides a fault monitoring system of a hydraulic system and a hydraulic machine. The fault monitoring system of the hydraulic system comprises pressure sensors arranged at pressure measurement points of the hydraulic system and digital display meters in signal connection with the pressure sensors, and the digital display meters are arranged in a monitoring room. According to the monitoring system of the hydraulic system, the pressure measurement points are correspondingly provided with the digital display meters in a one-to-one mode, in other words, loops from data collecting to data output of the pressure measurement points are independent, a controller is not adopted for carrying out one-to-more control, and therefore the fault monitoring system is simple in structure, stable, reliable, low in technical requirement for system maintenance and convenient to maintain in the later period.
Description
Technical field
The utility model relates to Hydraulic Field, particularly a kind of fault monitoring system of hydraulic system and hydraulic press.
Background technology
Forging press refers in forging and stamping processing for moulding and the plant equipment separating, and hydraulic press is the one of forging press, and it is with highly pressurised liquid (oil, emulsion etc.) transmission operating pressure.Large hydraulic press working environment in real work is poor, with regard to 4000 t hydraulic press, whole hydraulic system is huge and complicated, underground Hydraulic Station system melt pit (is about 20m, wide about 7m, high about 3m) enormous size, main pump wherein, auxiliary pump is more, and steel tubing diameter size is not from Φ 34～Φ 127mm etc., when hydraulic press work, often there will be steel oil pipe, the phenomenon of valve group sealing ring leakage of oil, in addition, valve group also there will be to be stopped up or works not smooth, therefore, maintenance personal often will investigate fault in melt pit, but stand in great numbers because steel oil pipe is staggered, pump valve is more, so maintenance personal is in the personnel transfer inconvenience of melt pit neutralization operation chamber, therefore often to carry out test-run a machine communication by intercom, sometimes also need to walk out that melt pit enters operating room and operating personnel link up face to face, cause maintenance efficiency lower.
Existing a kind of remote monitoring and diagnostic method based on internet and FactoryTalk platform, although this scheme is higher than the efficiency of artificial investigation fault, the more complicated but its practice is got up, system self breaks down and is not easy to maintenance, integritied monitoring and controling system price is more expensive, and can only monitor less or more important control point, be embodied in:
1) this systematic comparison complexity, for large hydraulic press, actual maintenance encounters problems more, be that leakage of oil all likely appears in pump, valve group, steel oil pipe weld, steel oil pipe flange connections, if desired monitor up to a hundred monitoring points, adopt the words of this scheme, this system will be very complicated, maintenance personal not only will carry out the maintenance of daily hydraulic press, also need be in the time that monitoring system goes wrong removal system fault, maintenance personal's level of skill is had relatively high expectations;
2) this scheme adopts PLC monitoring and controls multiple control points, once PLC goes wrong, maintenance personal will not know it is which control point breaks down on earth, actual monitored and maintenance all will cause confusion and bother, need technical merit higher or be familiar with this design technical staff solve, improved the technical threshold of implementing this scheme;
3) monitoring system of this scheme has been used computer, wireless computer, wireless network terminal, internet service provider, routing device, host computer, PLC, touch-screen and device element etc., whole monitoring system cost is high, failsafe link is many, as long as there is a link to go wrong, whole system is with regard to cisco unity malfunction, thereby causes system reliability to reduce.
Utility model content
In view of this, the utility model is intended to propose a kind of fault monitoring system and hydraulic press of hydraulic system, can not only effectively monitor the fault of hydraulic system, greatly improves maintenance efficiency, and system reliability is high, low cost.
For achieving the above object, the technical solution of the utility model is achieved in that
On the one hand, the utility model provides a kind of fault monitoring system of hydraulic system, comprise the pressure sensor of each pressure tap that is arranged on hydraulic system, and the digital wash head being connected with each pressure sensor signal, described digital wash head is arranged in Control Room.
Further, described digital wash head includes power module, acquisition module, microprocessor, display module and data memory module, and described pressure sensor is connected with described acquisition module.
Further, described acquisition module comprises Collect conversion circuit for gathering described pressure sensor signal and for gathering the button Acquisition Circuit of described digital wash head push button signalling.
Further, described pressure tap comprises one or more in pump, valve group, steel oil pipe weld and the steel oil pipe flange connections of described hydraulic system.
Further, also comprise the buzzer being connected with each digital wash head signal.
On the other hand, the utility model also provides a kind of fault monitoring method of hydraulic system, the method is, at each pressure tap of hydraulic system, pressure sensor is set, and by each pressure sensor digital display gauge head that connects one to one, determine each self-corresponding minimum pressure according to the real work situation of each pressure tap, and minimum pressure is separately input in corresponding digital wash head, when the pressure of described pressure tap lower than set minimum pressure time, corresponding digital wash head is reported to the police, maintenance personal detects corresponding pressure tap according to alarm signal, can find fast failure cause, and then raising maintenance efficiency.
Further, described alarm signal comprises the optical signal of flicker.
Further, described alarm signal also comprises voice signal.
Further, described digital wash head concentrated setting is in Control Room, so that unified monitoring.
On the one hand, the utility model also provides a kind of hydraulic press of the fault monitoring system that is provided with hydraulic system as above again.
With respect to prior art, the utlity model has following advantage:
1, each pressure tap correspondence of the monitoring system of hydraulic system described in the utility model is provided with a digital display gauge head, the data acquisition that is each pressure tap is independent loop to output, do not take controller to carry out the control of one-to-many, therefore system architecture is simple, reliable and stable, and the technical requirement to system maintenance is lower, later maintenance more for convenience.
2,, when the digital wash head of the monitoring system of hydraulic system described in the utility model is reported to the police, trouble point is apparent, greatly reduces repair density and has improved maintenance efficiency.
3, the monitoring system of hydraulic system described in the utility model is applied widely, both can be applied to pressure tap and only have several small-sized hydraulic systems, and also can be applied to pressure tap has the Large Hydraulic System of tens even up to a hundred, simple and practical, low cost.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the theory diagram of the fault monitoring system of hydraulic system described in the utility model.
Description of reference numerals:
The specific embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the utility model can combine mutually.
The fault monitoring method of the hydraulic system described in the present embodiment is, at each pressure tap of hydraulic system, pressure sensor is set, and by each pressure sensor digital display gauge head that connects one to one, determine each self-corresponding minimum pressure according to the real work situation of each pressure tap, and minimum pressure is separately input in corresponding digital wash head, when the pressure of described pressure tap lower than set minimum pressure time, the indicator lamp of corresponding digital wash head is reported to the police, maintenance personal detects corresponding pressure tap according to alarm signal, can find fast failure cause, for convenient monitoring, can be by digital wash head concentrated setting in Control Room, the alarm signal of this digital wash head is the optical signal of flickering display, and as the pressure value of flickering display or indicator lamp, this alarm signal can also be voice signal, as the chimes of doom of buzzer or voice.
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the fault monitoring system of the hydraulic system described in the utility model embodiment in detail.Fig. 1 is relevant drawings, and as shown in FIG., the fault monitoring system of the hydraulic system described in the present embodiment comprises the pressure sensor of each pressure tap that is arranged on hydraulic system and the digital wash head being connected with each pressure sensor signal.This pressure tap comprises one or more in pump, valve group, steel oil pipe weld and the steel oil pipe flange connections of hydraulic system.This digital wash head includes power module, acquisition module, microprocessor, display module and data memory module, pressure sensor is connected with acquisition module, this acquisition module comprises Collect conversion circuit for gathering pressure sensor signal and for gathering the button Acquisition Circuit of digital wash head push button signalling, this display module comprises LCD drive circuit and LCD display circuit.This digital wash head can be converted to the analog signal of pressure sensor data signal and show, can also preset pressure value and the force value that itself and sensor detect is compared.
In real work, the minimum pressure of each pressure tap can be set according to the working condition of hydraulic system, and this minimum pressure is passed through to the key-press input of digital wash head, digital wash head is by the minimum pressure information of button Acquisition Circuit Gather and input, and be deposited in data memory module, simultaneously, the pressure sensor signal that microprocessor collects Collect conversion circuit according to certain frequency and minimum pressure information are compared, if the actual pressure that pressure sensor detects is greater than the minimum pressure of setting, by the normal actual pressure detecting that shows of LCD display circuit, if the actual pressure that pressure sensor detects is less than or equal to the minimum pressure of setting, by LCD display circuit flickering display actual pressure, maintenance personal sees after flash signal, can know intuitively that fault may appear in corresponding pressure tap, and then greatly reduce repair density, improve maintenance efficiency.For the ease of unified monitoring, can be by all digital wash head concentrated settings in Control Room.
In other embodiments, can also increase audible alarm mode, as increase buzzer, the actual pressure detecting when pressure sensor is less than or equal to the minimum pressure of setting, by LCD display circuit flickering display actual pressure, and by the buzzer alarm signal of sounding, can find more timely like this fault, in order to avoid because failing to see that in time flicker alarm signal makes glitch develop into larger fault.
Except the monitoring system of above-mentioned hydraulic system, the utility model also provides a kind of hydraulic press of the monitoring system that is provided with above-mentioned hydraulic system, and the structure of other each several part of this hydraulic press, with reference to prior art, repeats no more herein.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a fault monitoring system for hydraulic system, is characterized in that, comprises the pressure sensor of each pressure tap that is arranged on hydraulic system, and the digital wash head being connected with each pressure sensor signal, and described digital wash head is arranged in Control Room.
2. the fault monitoring system of hydraulic system according to claim 1, it is characterized in that, described digital wash head includes power module, acquisition module, microprocessor, display module and data memory module, and described pressure sensor is connected with described acquisition module.
3. the fault monitoring system of hydraulic system according to claim 2, it is characterized in that, described acquisition module comprises Collect conversion circuit for gathering described pressure sensor signal and for gathering the button Acquisition Circuit of described digital wash head push button signalling.
4. according to the fault monitoring system of the hydraulic system described in claim 2 or 3, it is characterized in that, described pressure tap comprises one or more in pump, valve group, steel oil pipe weld and the steel oil pipe flange connections of described hydraulic system.
5. the fault monitoring system of hydraulic system according to claim 4, is characterized in that, also comprises the buzzer being connected with each digital wash head signal.
6. a hydraulic press, is characterized in that, described hydraulic press is provided with the fault monitoring system of the hydraulic system as described in claim 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690061.6U CN203600656U (en) | 2013-11-04 | 2013-11-04 | Fault monitoring system of hydraulic system and hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690061.6U CN203600656U (en) | 2013-11-04 | 2013-11-04 | Fault monitoring system of hydraulic system and hydraulic machine |
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| Publication Number | Publication Date |
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| CN203600656U true CN203600656U (en) | 2014-05-21 |
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| CN201320690061.6U Expired - Fee Related CN203600656U (en) | 2013-11-04 | 2013-11-04 | Fault monitoring system of hydraulic system and hydraulic machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587140A (en) * | 2013-11-04 | 2014-02-19 | 索特传动设备有限公司 | Fault monitoring system, fault monitoring method and hydraulic machine of hydraulic system |
| CN104665918A (en) * | 2015-02-15 | 2015-06-03 | 陆爱清 | Pin feeding point position development device for guide pin |
| CN105021382A (en) * | 2014-06-06 | 2015-11-04 | 中国海洋石油总公司 | Subsea X-mas tree hydraulic valve performance online monitoring and diagnostic system and method |
| CN105172192A (en) * | 2014-06-09 | 2015-12-23 | 宁波江丰电子材料股份有限公司 | Method and device for pressure monitoring of hot isostatic pressing machine |
-
2013
- 2013-11-04 CN CN201320690061.6U patent/CN203600656U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587140A (en) * | 2013-11-04 | 2014-02-19 | 索特传动设备有限公司 | Fault monitoring system, fault monitoring method and hydraulic machine of hydraulic system |
| CN105021382A (en) * | 2014-06-06 | 2015-11-04 | 中国海洋石油总公司 | Subsea X-mas tree hydraulic valve performance online monitoring and diagnostic system and method |
| CN105172192A (en) * | 2014-06-09 | 2015-12-23 | 宁波江丰电子材料股份有限公司 | Method and device for pressure monitoring of hot isostatic pressing machine |
| CN104665918A (en) * | 2015-02-15 | 2015-06-03 | 陆爱清 | Pin feeding point position development device for guide pin |
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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 |
Granted publication date: 20140521 Termination date: 20151104 |
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| EXPY | Termination of patent right or utility model |