CN204371730U - A kind of turbosupercharger use for laboratory gas compressor end leakage detection device - Google Patents
A kind of turbosupercharger use for laboratory gas compressor end leakage detection device Download PDFInfo
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- CN204371730U CN204371730U CN201420673661.6U CN201420673661U CN204371730U CN 204371730 U CN204371730 U CN 204371730U CN 201420673661 U CN201420673661 U CN 201420673661U CN 204371730 U CN204371730 U CN 204371730U
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- control valve
- electric control
- gas compressor
- compressor end
- turbosupercharger
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Abstract
The utility model discloses a kind of turbosupercharger use for laboratory gas compressor end leakage detection device, it comprises the first electric control valve, flowmeter, the first B/P EGR Back Pressure Transducer EGR, vacuum pump, the second electric control valve, the second B/P EGR Back Pressure Transducer EGR and speed probe; The inlet end of the first electric control valve is unsettled passes into air, the outlet side of the first electric control valve is connected by the suction port of flowmeter with gas compressor end, first B/P EGR Back Pressure Transducer EGR is arranged on the pipeline that flowmeter is connected with the suction port of gas compressor end, vacuum pump is connected with the outlet side of the second electric control valve, the inlet end of the second electric control valve is connected with the relief opening of gas compressor end, on the pipeline that the inlet end that second B/P EGR Back Pressure Transducer EGR is arranged at the second electric control valve is connected with the relief opening of gas compressor end, speed probe is installed on the compressor volute of turbosupercharger; Advantage is that not only structure is simple, easy to adjust, and testing precision is high.
Description
Technical field
The utility model relates to a kind of turbosupercharger use for laboratory auxiliary device, especially relates to a kind of turbosupercharger use for laboratory gas compressor end leakage detection device.
Background technique
What in turbosupercharger, seal oil generally adopted is maze-type structure, the pressure of lubricant oil is generally between 0.25 ~ 0.4Mpa, lubricant oil after maze-type structure, arrive its pressure of gas compressor end can close to atmospheric pressure, and what produce at the suction port place of gas compressor end due to the High Rotation Speed of turbosupercharger is negative pressure, if therefore the negative pressure of gas compressor end is too low, the imbalance of the negative pressure pressure then very easily causing the suction port place of gas compressor end to produce and the pressure of lubricant oil, can cause turbosupercharger in the leakage of oil of gas compressor end like this.Therefore, the whether leakage of oil of its gas compressor end need be detected in turbosupercharger laboratory before turbosupercharger is dispatched from the factory, and existing gas compressor end leakage detection device measures that negative pressure adopts is that the mercury pressure change of measuring mercury indicates the suction port place of gas compressor end and the negative pressure value of exhaust ports, measure and need to use the drafting square that measuring range is about 1m, measurement testing precision is unsatisfactory, regulates simultaneously, operating neither be very convenient; If when negative pressure value is larger in addition, then mercury may be made to overflow and leak, this can affect to experimenter, experimental situation.Therefore be necessary to study a kind of high measurement accuracy, and regulate, easy to operate, the safe device for detecting the leakage of oil of gas compressor end.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of structure simple turbosupercharger use for laboratory gas compressor end leakage detection device, and its testing precision is high, and easy to operate, work safety.
The utility model solves the problems of the technologies described above adopted technological scheme: a kind of turbosupercharger use for laboratory gas compressor end leakage detection device, it is characterized in that comprising the first electric control valve, be used to indicate the flowmeter of air mass flow, for measure the first B/P EGR Back Pressure Transducer EGR of the suction port place negative pressure pressure of gas compressor end, vacuum pump, the second electric control valve, for measuring described vacuum pump work time the second B/P EGR Back Pressure Transducer EGR of negative pressure pressure of causing and the speed probe for measuring turbo charger speed, the inlet end of the first described electric control valve is unsettled passes into air, the outlet side of the first described electric control valve is connected with the suction port of gas compressor end by described flowmeter, the first described B/P EGR Back Pressure Transducer EGR is arranged on the pipeline that described flowmeter is connected with the suction port of gas compressor end, described vacuum pump is connected with the outlet side of the second described electric control valve, the inlet end of the second described electric control valve is connected with the relief opening of gas compressor end, on the pipeline that the inlet end that the second described B/P EGR Back Pressure Transducer EGR is arranged at the second described electric control valve is connected with the relief opening of gas compressor end, described speed probe adopts the contactless velocity measuring technique of bar magnet to be installed on the compressor volute of turbosupercharger.
The first described electric control valve is long-range is connected with the first potentiometer, and the aperture of the first described electric control valve is realized by the first potentiometer telecontrol described in regulating; The second described electric control valve is long-range is connected with the second potentiometer, and the aperture of the second described electric control valve is realized by the second potentiometer telecontrol described in regulating.
The output terminal of the first described B/P EGR Back Pressure Transducer EGR is connected with the first pressure digital display meter; The output terminal of the second described B/P EGR Back Pressure Transducer EGR is connected with the second pressure digital display meter.
The output terminal of described speed probe is connected with Digital revolution indicator by amplifier; At this, connect an amplifier at the output terminal of speed probe, and the tach signal after amplifying is input in Digital revolution indicator, be convenient to the rotating speed showing turbosupercharger in real time.
Described speed probe is installed on the suction port place on the compressor volute of rotating shaft place of turbosupercharger.
Compared with prior art, the utility model has the advantage of: by controlling the aperture of the first electric control valve, the negative pressure at the suction port place of the air mass flow that flowmeter is indicated and gas compressor end changes, by controlling the aperture of the second electric control valve, the gas that the relief opening of vacuum pump suction pressure mechanism of qi end is discharged makes the relief opening negative pressure of gas compressor end change, this makes it possible to measure at different suction ports, the leakage of oil situation of the gas compressor end of turbosupercharger under relief opening negative pressure standard, the aperture of first electric control valve at the suction port place of gas compressor end more hour, the negative pressure at the suction port place of gas compressor end is lower, the extracting force of the vacuum pump of the exhaust ports of gas compressor end is larger, and the negative pressure of exhaust ports is also lower, so often regulate once, just can cause the change of suction port place, exhaust ports negative pressure, whether have oil leakage phenomenon when the parameter stability such as the rotating speed running of turbosupercharger just can detect gas compressor end after at least 10 minutes, this leakage detection device is not only easy to adjust but also select high-precision sensing equipment to make its testing precision also be quite high.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of gas compressor end leakage detection device of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
A kind of turbosupercharger use for laboratory gas compressor end leakage detection device that the utility model proposes, as shown in the figure, it comprise the first electric control valve 1, be used to indicate the flowmeter 2 of air mass flow, the second B/P EGR Back Pressure Transducer EGR 6 of negative pressure pressure of causing and the speed probe 7 for measuring turbo charger speed for measuring the first B/P EGR Back Pressure Transducer EGR 3 of the suction port place negative pressure pressure of gas compressor end, vacuum pump 4, second electric control valve 5, when working for Measuring Vacuum 4, the inlet end of the first electric control valve 1 is unsettled passes into air, the outlet side of the first electric control valve 1 is connected with one end of flowmeter 2 by DN50 pipeline, the other end of flowmeter 2 is connected with the suction port of gas compressor end by DN50 pipeline, first electric control valve 1 is long-range is connected with the first potentiometer (not shown), the aperture of the first electric control valve 1 is realized by adjustment first potentiometer telecontrol, first B/P EGR Back Pressure Transducer EGR 3 is arranged on the pipeline that flowmeter 2 is connected with the suction port of gas compressor end, the pipeline that can be connected with the suction port of gas compressor end at flowmeter 2 is opened an aperture for installing the first B/P EGR Back Pressure Transducer EGR 3, the output terminal of the first B/P EGR Back Pressure Transducer EGR 3 is connected with the first pressure digital display meter 9, vacuum pump 4 is connected with the outlet side of the second electric control valve 5, the inlet end of the second electric control valve 5 is connected with the relief opening of gas compressor end, second electric control valve 5 is long-range is connected with the second potentiometer (not shown), the aperture of the second electric control valve 5 is realized by adjustment second potentiometer telecontrol, on the pipeline that the inlet end that second B/P EGR Back Pressure Transducer EGR 6 is arranged at the second electric control valve 5 is connected with the relief opening of gas compressor end, the pipeline that can be connected with the relief opening of gas compressor end at the inlet end of the second electric control valve 5 is opened an aperture for installing the second B/P EGR Back Pressure Transducer EGR 6, the output terminal of the second B/P EGR Back Pressure Transducer EGR 6 is connected with the second pressure digital display meter 11, speed probe 7 is installed on the enterprising gas port place of compressor volute of rotating shaft place near turbosupercharger, the output terminal of speed probe 7 is connected with Digital revolution indicator 13 by amplifier 12.
In the present embodiment, the first electric control valve 1 and the second electric control valve 5 all adopt existing electric control valve; Flowmeter 2 and vacuum pump 4 all adopt prior art; First B/P EGR Back Pressure Transducer EGR 3 and the second B/P EGR Back Pressure Transducer EGR 6 all adopt existing B/P EGR Back Pressure Transducer EGR; Speed probe 7 adopts prior art, in fact non-contacting bar magnet is adopted to be fixed on the suction port place of the compressor volute of gas compressor end to measure the rotating speed of turbosupercharger, but the shaft end nut opposite side of tackling before experiment in the turbine shaft of turbosupercharger magnetizes, like this when the axis of rotation of turbosupercharger, be with magnetic shaft end nut synchronous axial system thereupon, the speed probe be made up of as sense cell mistor exports the pulse signal relevant to speed, reaches the object testing the speed and detect; Speed probe is arranged on the compressor volute of rotating shaft place of turbosupercharger, require that the material of shaft end nut can carry out opposite side with magnetic material and magnetize, and the Material selec-tion of other part in the rotating shaft of turbosupercharger all can not magnetize with magnetic material; In addition, gas compressor end temperature is more much lower than the temperature of turbine end, speed probe is arranged on the impact can avoiding its measuring accuracy on the compressor volute of rotating shaft place of turbosupercharger; First potentiometer and the second potentiometer all adopt existing potentiometer; First pressure digital display meter 9 and the second pressure digital display meter 11 all adopt existing pressure digital display meter; Amplifier 12 and Digital revolution indicator 13 all adopt prior art.
During gas compressor end leakage detection device work of the present utility model, first the rotating speed of turbosupercharger is regulated to change the rotating speed reached needed for setting by high-temperature fuel gas, then the aperture of the first electric control valve is controlled by adjustment first potentiometer, the negative pressure at the suction port place of the air mass flow that flowmeter is indicated and gas compressor end changes, by the aperture regulating the second potentiometer to control the second electric control valve, the negative pressure that the gas that the relief opening of vacuum pump suction pressure mechanism of qi end is discharged causes changes, so often regulate once, just suction port can be caused, the change of relief opening negative pressure, when the parameter stability such as the rotating speed running of turbosupercharger closed gas compressor end leakage detection device after at least 10 minutes, take the spiral case of gas compressor end again apart, check the relief opening runner of gas compressor end, whether the bearing support large end face place of turbosupercharger has obvious oil stain to detect the whether leakage of oil of gas compressor end.
For further illustrating the validity of gas compressor end leakage detection device of the present utility model, Oil Leakage Detecting is carried out to turbosupercharger.
Two turbosupercharger choosing same model, respectively as turbosupercharger to be detected, Laboratory Furniture carry out Oil Leakage Detecting test, to test the leakage of oil situation of its gas compressor end under the conditions such as regulation rotating speed, degree of vacuum, working time.
The parameter of experimental facilities is: lubricating oil inlet temperature: >=65 DEG C; Lubricating oil inlet oil pressure: 0.35 ± 0.05Mpa; Compressor volute inlet pressure :≤-6.0Kpa; Compressor volute outlet pressure :≤-2.0Kpa; Turbo charger speed: 23000 ~ 32000r/min; Running time: after parameter stability, running time >=10min.
First turbosupercharger rotating speed be 30000r/min, lubricating oil inlet temperature is 65 DEG C, lubricating oil inlet oil pressure is 0.4Mpa, compressor volute inlet pressure is-8.1Kpa, compressor volute outlet pressure under-4.2Kpa, testing result is oil-proof; Second turbosupercharger rotating speed be 30000r/min, lubricating oil inlet temperature is 65 DEG C, lubricating oil inlet oil pressure is 0.4Mpa, compressor volute inlet pressure be-8.5Kpa, compressor volute outlet pressure under-4.5Kpa, testing result is oil-proof.
As can be seen from experiment parameter and experimental result, inspection compressor volute inner plane, bearing support end face etc., turbosupercharger is under the operating mode of regulation, and Oil Leakage Detecting result is accurate.
Claims (5)
1. a turbosupercharger use for laboratory gas compressor end leakage detection device, it is characterized in that comprising the first electric control valve, be used to indicate the flowmeter of air mass flow, for measure the first B/P EGR Back Pressure Transducer EGR of the suction port place negative pressure pressure of gas compressor end, vacuum pump, the second electric control valve, for measuring described vacuum pump work time the second B/P EGR Back Pressure Transducer EGR of negative pressure pressure of causing and the speed probe for measuring turbo charger speed, the inlet end of the first described electric control valve is unsettled passes into air, the outlet side of the first described electric control valve is connected with the suction port of gas compressor end by described flowmeter, the first described B/P EGR Back Pressure Transducer EGR is arranged on the pipeline that described flowmeter is connected with the suction port of gas compressor end, described vacuum pump is connected with the outlet side of the second described electric control valve, the inlet end of the second described electric control valve is connected with the relief opening of gas compressor end, on the pipeline that the inlet end that the second described B/P EGR Back Pressure Transducer EGR is arranged at the second described electric control valve is connected with the relief opening of gas compressor end, described speed probe is installed on the compressor volute of turbosupercharger.
2. a kind of turbosupercharger use for laboratory gas compressor end leakage detection device according to claim 1, it is characterized in that the first described electric control valve is long-range and be connected with the first potentiometer, the aperture of the first described electric control valve is realized by the first potentiometer telecontrol described in regulating; The second described electric control valve is long-range is connected with the second potentiometer, and the aperture of the second described electric control valve is realized by the second potentiometer telecontrol described in regulating.
3. a kind of turbosupercharger use for laboratory gas compressor end leakage detection device according to claim 1 and 2, is characterized in that the output terminal of the first described B/P EGR Back Pressure Transducer EGR is connected with the first pressure digital display meter; The output terminal of the second described B/P EGR Back Pressure Transducer EGR is connected with the second pressure digital display meter.
4. a kind of turbosupercharger use for laboratory gas compressor end leakage detection device according to claim 3, is characterized in that the output terminal of described speed probe is connected with Digital revolution indicator by amplifier.
5. a kind of turbosupercharger use for laboratory gas compressor end leakage detection device according to claim 4, is characterized in that described speed probe is installed on the suction port place on the compressor volute of rotating shaft place of turbosupercharger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673661.6U CN204371730U (en) | 2014-11-13 | 2014-11-13 | A kind of turbosupercharger use for laboratory gas compressor end leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673661.6U CN204371730U (en) | 2014-11-13 | 2014-11-13 | A kind of turbosupercharger use for laboratory gas compressor end leakage detection device |
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| Publication Number | Publication Date |
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| CN204371730U true CN204371730U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420673661.6U Withdrawn - After Issue CN204371730U (en) | 2014-11-13 | 2014-11-13 | A kind of turbosupercharger use for laboratory gas compressor end leakage detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389802A (en) * | 2014-11-13 | 2015-03-04 | 宁波威孚天力增压技术有限公司 | Air compressor end oil leakage detection device for turbocharger laboratory |
-
2014
- 2014-11-13 CN CN201420673661.6U patent/CN204371730U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389802A (en) * | 2014-11-13 | 2015-03-04 | 宁波威孚天力增压技术有限公司 | Air compressor end oil leakage detection device for turbocharger laboratory |
| CN104389802B (en) * | 2014-11-13 | 2017-09-26 | 宁波威孚天力增压技术股份有限公司 | A kind of turbocharger use for laboratory is calmed the anger generator terminal leakage detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315034 Zhejiang Province, Ningbo Jiangbei District Cicheng Town Chang Yang Road, No. 268 Patentee after: Ningbo Weifu Tianli turbocharging technology Limited by Share Ltd Address before: 315000 Zhejiang Province, Ningbo Jiangbei District Haichuan Road 168 Lane No. 1 Patentee before: Ningbo Weifu Tianli Turbocharging Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20170926 |