CN216113308U - Online monitoring system for fan gear box - Google Patents
Online monitoring system for fan gear box Download PDFInfo
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- CN216113308U CN216113308U CN202122564504.4U CN202122564504U CN216113308U CN 216113308 U CN216113308 U CN 216113308U CN 202122564504 U CN202122564504 U CN 202122564504U CN 216113308 U CN216113308 U CN 216113308U
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Abstract
The utility model provides a fan gear box on-line monitoring system, which comprises: the oil inlet pipe (1), the first regulating valve (2), the heater (3), the oil-gas separator (4) and the cooler (5) are sequentially connected in series; the cooler (5) is respectively connected with a second regulating valve (6) and a third regulating valve (7); the second regulating valve (6) and the third regulating valve (7) are connected in parallel; the second regulating valve (6) is connected with the laser particle counter (8) in series, and the third regulating valve (7) is connected with the mid-infrared spectrum sensor (9) in series; the laser particle counter (8) and the mid-infrared spectrum sensor (9) are both connected with an oil return pipe (10). The online application of the particle counter in high-viscosity oil is realized, and the particle pollution of the oil is rapidly and timely monitored; the change conditions of micro water, viscosity, total acid value, oxidation value and additive (phosphorus) in the gear box lubricating oil can be rapidly monitored.
Description
Technical Field
The utility model relates to the technical field of on-line monitoring of gear box lubricating oil, in particular to a fan gear box on-line monitoring system.
Background
In the production process in the fields of electric power, petrifaction, chemical industry, ships and the like, lubricating oil and hydraulic oil (hereinafter referred to as oil) play an important role in normal operation of equipment, and particularly the quality of the oil used in the wind power industry has restricted the healthy development of wind power enterprises, so that the real situation of the oil used in the wind power industry is mastered in time and cannot be delayed.
At present, the monitoring of oil products in use in most wind power plants mainly depends on-site sampling and sample sending to a laboratory (mostly external cooperation) for analysis, the actual detection result is influenced by the time consumption, the sampling workload is large, and the discreteness of sampling and analysis, so that the detection project is limited and the real condition of the oil products cannot be reflected in time; the method has the advantages that few on-line monitoring is carried out, the effect is not ideal in practical application of adopting four-parameter sensors, ferromagnetic sensors, micro-water sensors and the like, the detection precision is not high, data acquisition and modeling are difficult, most of the sensors are still in a test stage, and the judgment basis of quantitative and qualitative analysis is difficult to provide.
In summary, the following problems exist in the prior art: the lubricating oil of the gear box is lack of an online monitoring system, and the problems of low detection precision and difficult data acquisition and modeling exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of low detection precision and difficult data acquisition and modeling of the lack of an online monitoring system for lubricating oil of a gearbox.
Therefore, the utility model provides an online monitoring system for a fan gearbox, which comprises:
oil feed system includes: the device comprises an oil inlet pipe, a first regulating valve, a heater, an oil-gas separator and a cooler;
a monitoring system, comprising: the monitoring system comprises a first monitoring circuit and a second monitoring circuit which are connected in parallel, wherein the first monitoring circuit comprises a second regulating valve and a laser particle counter which are connected in series, and the second monitoring circuit comprises a third regulating valve and a mid-infrared spectrum sensor which are connected in series;
an oil-out system comprising: an oil return pipe;
the oil inlet system, the monitoring system and the oil outlet system are sequentially connected;
the first regulating valve, the heater, the oil-gas separator and the cooler are sequentially connected in series on the oil inlet pipe;
the cooler is respectively connected with the second regulating valve and the third regulating valve;
and the laser particle counter and the mid-infrared spectrum sensor are both connected with the oil outlet system.
Specifically, the oil return pipe is connected with the gear box.
Specifically, the monitoring system further includes: and a PLC control panel.
Specifically, the laser particle counter is connected with the PLC control board.
Specifically, the mid-infrared spectrum sensor is connected with the PLC control panel.
Specifically, an I/O output interface of the PLC control board is connected with the photoelectric isolator.
Specifically, the laser particle counter and the mid-infrared spectrum sensor are both connected with the PLC control panel.
The beneficial effects are that: according to the utility model, the actual viscosity of the oil is reduced by heating, the influence of bubbles in the oil on the laser particle counter and the mid-infrared sensor is removed, the online application of the particle counter in the high-viscosity oil is realized, and the particle pollution of the oil is rapidly and timely monitored; six detection channels which are arranged by a mid-infrared sensor manufacturer can be used for quickly monitoring the change conditions of micro-water, viscosity, total acid value, oxidation value and additive (phosphorus) in the gear box lubricating oil; the modeling of the infrared sensor can be completed only by the oil samples (containing no less than 5 new oil and ineffective oil) in different stages in the same batch. In practical application, the oil sample in application can be further extracted for analysis, modeling data can be optimized, the modeling data can be further optimized, and the detection precision of the mid-infrared sensor can be improved.
Drawings
FIG. 1 is a schematic structural diagram of an online monitoring system for a fan gearbox according to an embodiment of the present invention;
FIG. 2 is an electrical connection schematic diagram of an online monitoring system of a fan gearbox according to an embodiment of the utility model.
The reference numbers illustrate:
1. an oil inlet pipe; 2. a first regulating valve; 3. a heater; 4. an oil-gas separator; 5. a cooler; 6. a second regulating valve; 7. a third regulating valve; 8. a laser particle counter; 9. a mid-infrared spectrum sensor; 10. an oil return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In an embodiment of the present invention, as shown in fig. 1, there is provided an online monitoring system for a fan gearbox, including:
oil feed system includes: the device comprises an oil inlet pipe 1, a first regulating valve 2, a heater 3, an oil-gas separator 4 and a cooler 5;
a monitoring system, comprising: the monitoring system comprises a first monitoring circuit and a second monitoring circuit which are connected in parallel, wherein the first monitoring circuit comprises a second regulating valve 6 and a laser particle counter 8 which are connected in series, and the second monitoring circuit comprises a third regulating valve 7 and a mid-infrared spectrum sensor 9 which are connected in series;
an oil-out system comprising: an oil return pipe 10;
the oil inlet system, the monitoring system and the oil outlet system are sequentially connected;
the first regulating valve 2, the heater 3, the oil-gas separator 4 and the cooler 5 are sequentially connected in series on the oil inlet pipe 1;
the cooler 5 is connected with the second regulating valve 6 and the third regulating valve 7 respectively;
the first monitoring line is connected with the second monitoring line in parallel;
the second regulating valve 6 is connected with the laser particle counter 8 in series, and the third regulating valve 7 is connected with the mid-infrared spectrum sensor 9 in series; the condition of particulate matters in oil products and the change conditions of micro-water, viscosity, total acid value, oxidation value and additive (phosphorus) in gear box lubricating oil can be detected simultaneously.
And the laser particle counter 8 and the mid-infrared spectrum sensor 9 are both connected with the oil outlet system.
The laser particle counter 8 and the mid-infrared spectrum sensor 9 are both connected with an oil return pipe 10. The detected gearbox lubricating oil flows into the oil return pipe 10.
The oil return pipe 10 is connected with a gearbox. And returning the detected gearbox lubricating oil to the gearbox. The purpose of circular environmental protection is realized.
The monitoring system further comprises: and the laser particle counter 8 is connected with the PLC control panel. As shown in fig. 2, the laser particle counter 8 is interfaced with the RS485 of the PLC control board.
The mid-infrared spectrum sensor 9 is also connected with the PLC control panel. The mid-infrared spectrum sensor 9 is connected with an RS232 interface of the PLC control panel.
And an I/O output interface of the PLC control board is connected with the photoelectric isolator.
The PLC control board also comprises a network port, a 24v power interface and a STOP/ROU interface. And the PLC control panel acquires data through the network port.
The laser particle counter 8 and the mid-infrared spectrum sensor 9 are both connected with the PLC control panel.
Heating gear box lubricating oil; reducing the actual viscosity of the oil by heating;
defoaming the heated gear box lubricating oil; and removing the influence of bubbles in the oil liquid on the laser particle counter and the mid-infrared sensor.
Cooling the defoamed gear box lubricating oil;
and respectively carrying out two-way detection on the cooled gear box lubricating oil. And the synchronous detection is carried out, so that the efficiency is improved and the mutual influence is avoided.
The gearbox oil was heated to 70 ℃ before the defoaming treatment. The effect of reducing the viscosity of the oil liquid by heat is better achieved.
And reducing the temperature of the defoamed gear box lubricating oil to 40-50 ℃. The oil temperature which can be checked by an instrument is reached.
The gear box lubricating oil after will cooling carries out two ways respectively and detects including:
the first path detection comprises: the number of contaminating particles; the particle pollution condition of the oil product in use is known in time, the maintenance and the reinforced online purification of a lubricating system are well done, the cleanliness of the oil liquid is improved, the quality of the oil product is improved, and the lubrication of a fan gear box is improved.
The second path of detection comprises: micro water amount, viscosity value, total acid value, oxidation value and additive content. The quality of the lubricating oil was examined from several aspects.
Modeling is carried out through two paths of detected data; and analyzing the quality of the lubricating oil of the gearbox by using the established model. The use unit can well identify the quality and the category of the oil product depending on the online monitoring system, simultaneously know the current situation of micro-water and particle pollution in the operation of the fan gearbox, master the service life of the fan and lubricating oil according to the comparison of modeling data and the numerical value of the particle pollution degree, and provide a basis for seeking an effective way for improving the lubrication of the gearbox; and the owner is reminded to replenish new oil, additives or replace the lubricating oil in time through the oxidation value of the lubricating oil and the attenuation condition of the additives.
The two detection instruments are respectively as follows: a laser particle counter 8 and a mid-infrared spectrum sensor 9. The effective application of the laser particle counter can timely know the particle pollution condition of the oil product in use, the maintenance and the reinforced online purification of a lubricating system are well done, the cleanliness of oil is improved, the quality of the oil product is improved, and the lubrication of a fan gear box is improved.
According to the utility model, the actual viscosity of the oil is reduced by heating, the influence of bubbles in the oil on the laser particle counter and the mid-infrared sensor is removed, the online application of the particle counter in the high-viscosity oil is realized, and the particle pollution of the oil is rapidly and timely monitored; six detection channels which are arranged by a mid-infrared sensor manufacturer can be used for quickly monitoring the change conditions of micro-water, viscosity, total acid value, oxidation value and additive (phosphorus) in the gear box lubricating oil; the modeling of the infrared sensor can be completed only by the oil samples (containing no less than 5 new oil and ineffective oil) in different stages in the same batch. In practical application, the oil sample in application can be further extracted for analysis, modeling data can be optimized, the modeling data can be further optimized, and the detection precision of the mid-infrared sensor can be improved.
Example 1:
an online monitoring system for a fan gearbox is disclosed, as shown in figure 1, the change condition of various functional groups in oil is determined by using the absorption characteristics of the functional groups to infrared light, and then the change condition is compared with the sampling and modeling data of the same batch at different time intervals to determine the change trend or the type of oil products; and the rapid detection of the pollution degree of particles in the oil is realized by combining a laser particle counter.
Utilize the pressure of the former oil circuit of fan, T connects out phi 6 oil pipe on the oil circuit, advance oil pipe 1 and get into lubricating oil heater 3 through first governing valve 2, promote the temperature to about 70 ℃ in heater 3, send the fluid after the heating into oil and gas separator 4 and carry out the defoaming processing again, liquid after the defoaming soaks in cooler 5 with fluid temperature drop to 40 ~ 50 ℃ in the back again with fluid respectively through second governing valve 6 send into laser particle counter 8, send into well infrared spectrum sensor 9 through third governing valve 7 simultaneously and detect, the fluid after the detection returns to the gear box in through oil return pipe 10 (increases the interface in gear box respirator department).
The utility model has the following advantages:
1. the actual viscosity of the oil is reduced by heating, the influence of bubbles in the oil on a laser particle counter and a mid-infrared sensor is removed, the online application of the particle counter to the high-viscosity oil is realized, and the particle pollution of the oil is rapidly and timely monitored;
2. six detection channels which are arranged by a mid-infrared sensor manufacturer can be used for quickly monitoring the change conditions of micro-water, viscosity, total acid value, oxidation value and additive (phosphorus) in the gear box lubricating oil;
3. the modeling of the infrared sensor in the system is relatively easy, and the modeling can be completed only by oil samples (containing no less than 5 new oil and ineffective oil) in the same batch and at different stages.
4. In practical application, the oil sample in application can be further extracted for analysis, modeling data can be optimized, the modeling data can be further optimized, and the detection precision of the mid-infrared sensor can be improved.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. In order that the components of the present invention may be combined without conflict, it is within the scope of the present invention that any person skilled in the art may make equivalent changes and modifications without departing from the spirit and principle of the present invention.
Claims (7)
1. The utility model provides a fan gear box on-line monitoring system which characterized in that includes:
oil feed system includes: the device comprises an oil inlet pipe (1), a first regulating valve (2), a heater (3), an oil-gas separator (4) and a cooler (5);
a monitoring system, comprising: the monitoring system comprises a first monitoring circuit and a second monitoring circuit which are connected in parallel, wherein the first monitoring circuit comprises a second regulating valve (6) and a laser particle counter (8) which are connected in series, and the second monitoring circuit comprises a third regulating valve (7) and a mid-infrared spectrum sensor (9) which are connected in series;
an oil-out system comprising: an oil return pipe (10);
the oil inlet system, the monitoring system and the oil outlet system are sequentially connected;
the first regulating valve (2), the heater (3), the oil-gas separator (4) and the cooler (5) are sequentially connected in series on the oil inlet pipe (1);
the cooler (5) is respectively connected with the second regulating valve (6) and the third regulating valve (7);
and the laser particle counter (8) and the mid-infrared spectrum sensor (9) are both connected with the oil outlet system.
2. The blower gearbox on-line monitoring system as recited in claim 1, characterized in that the oil return pipe (10) is connected with a gearbox.
3. The blower gearbox on-line monitoring system of claim 1, further comprising: and the PLC control panel is connected with the monitoring system.
4. The blower gearbox on-line monitoring system as recited in claim 3, wherein the laser particle counter (8) is connected with the PLC control board.
5. The blower gearbox on-line monitoring system as claimed in claim 3, wherein the mid-infrared spectrum sensor (9) is connected with the PLC control board.
6. The online monitoring system for the fan gearbox according to claim 3, wherein an I/O output interface of the PLC control board is connected with a photoelectric isolator.
7. The blower gearbox on-line monitoring system as claimed in claim 3, wherein the laser particle counter (8) and the mid-infrared spectrum sensor (9) are both connected with the PLC control board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122564504.4U CN216113308U (en) | 2021-10-25 | 2021-10-25 | Online monitoring system for fan gear box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122564504.4U CN216113308U (en) | 2021-10-25 | 2021-10-25 | Online monitoring system for fan gear box |
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| CN216113308U true CN216113308U (en) | 2022-03-22 |
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| CN202122564504.4U Active CN216113308U (en) | 2021-10-25 | 2021-10-25 | Online monitoring system for fan gear box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371980A (en) * | 2022-10-24 | 2022-11-22 | 四川新川航空仪器有限责任公司 | Three-phase eddy current separator performance evaluation test equipment with attitude simulation function |
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2021
- 2021-10-25 CN CN202122564504.4U patent/CN216113308U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371980A (en) * | 2022-10-24 | 2022-11-22 | 四川新川航空仪器有限责任公司 | Three-phase eddy current separator performance evaluation test equipment with attitude simulation function |
| CN115371980B (en) * | 2022-10-24 | 2022-12-30 | 四川新川航空仪器有限责任公司 | Three-phase eddy current separator performance evaluation test equipment with attitude simulation function |
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