CN204594696U - Diesel engine fault comprehensive detection diagnostic equipment - Google Patents
Diesel engine fault comprehensive detection diagnostic equipment Download PDFInfo
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- CN204594696U CN204594696U CN201520310119.9U CN201520310119U CN204594696U CN 204594696 U CN204594696 U CN 204594696U CN 201520310119 U CN201520310119 U CN 201520310119U CN 204594696 U CN204594696 U CN 204594696U
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- diesel engine
- utility
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- sensor
- control unit
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Abstract
The utility model relates to a kind of diesel engine fault comprehensive detection diagnostic equipment.The utility model structure comprises diesel engine, and current sensor, speed probe, cylinder pressure sensor, oil pressure sensor and surface temperature sensor are connected diesel engine and change-over circuit respectively; Change-over circuit is connected on monitoring and control unit, and monitoring and control unit connects computing machine.The utility model compared with prior art, there is transient current, diesel engine oil pipe pressure instantaneous value, exhaust outlet portion faces temperature, cylinder pressure mean value and instantaneous value when can carry out detection of dynamic transient rotative speed, diesel engine electric starting rapidly, and can the advantages such as fault diagnosis be made.
Description
Technical field
The utility model relates to a kind of plant equipment analysis of experiments device, especially a kind of diesel engine fault comprehensive detection diagnostic device.
Background technology
Along with the raising of industrialization degree, use and the recoverable amount of the diesel engine used as mobile or stationary power also get more and more.The thing followed, to the maintenance maintenance of diesel engine and the workload of maintenance also increasing, what the device that current diesel engine fault detects had can detected transient rotating speed, and what have can detect transient current etc. when diesel engine electric starts.Such checkout equipment detection efficiency is low, can not do comprehensive detection and comprehensive breakdown judge accurately.
Summary of the invention
Technical assignment of the present utility model is the weak point for above present situation, provides a kind of diesel engine fault comprehensive detection diagnostic equipment that can comprehensively accurately detect.
The utility model solves technical scheme that its technical matters adopts: the utility model structure comprises diesel engine, and current sensor, speed probe, cylinder pressure sensor, oil pressure sensor and surface temperature sensor are connected diesel engine and change-over circuit respectively; Change-over circuit is connected on monitoring and control unit, and monitoring and control unit connects computing machine.
The utility model compared with prior art, has following characteristics:
1. specific aim: selected monitoring parameter can reflect the reason of diesel engine fault feature or initiating failure, pointed.
2. practicality: be provided with sensor, sensor is installed simple and convenient, is convenient to on-the-spot on-line monitoring, has practicality.
3. comprehensive: device monitoring parameter is many, function ratio is comparatively complete, has comprehensive.
4. intelligent: on monitoring basis, to carry out intellectual analysis and breakdown judge by the computing machine arranged, have intelligent.
5. generalization: moderate, reliable operation, each machine is general, easy to utilize.
6. selectivity: according to user's needs, different sensors can be configured, select different functions, so have selectivity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Accompanying drawing 1 is diesel engine fault comprehensive detection diagnostic equipment structural representation.
In figure: 1, diesel engine, 2, current sensor, 3, speed probe, 4, cylinder pressure sensor, 5, oil pressure sensor, 6, surface temperature sensor, 7, change-over circuit, 8, monitoring and control unit, 9, computing machine.
Embodiment
With reference to Figure of description, diesel engine fault comprehensive detection diagnostic equipment is described in detail below.
Diesel engine fault comprehensive detection diagnostic equipment of the present utility model, structure comprises diesel engine 1, and current sensor 2, speed probe 3, cylinder pressure sensor 4, oil pressure sensor 5 and surface temperature sensor 6 are connected diesel engine 1 and change-over circuit 7 respectively; Change-over circuit 7 is connected on monitoring and control unit 8, and monitoring and control unit 8 connects computing machine 9.
The utility model power test with no external load method, carrys out detection of dynamic transient rotative speed by high frequency speed probe.
The utility model utilizes detected transient rotating speed to judge whether dynamic property breaks down and fault degree.
The utility model utilizes that detected transient rotating speed carrys out Diagnosis of Diesel startability, whether acceleration, speed governing break down and fault degree.
The utility model utilizes detected transient rotating speed to carry out Diagnosis of Diesel cylinder uniformity fault.
The utility model utilizes transient current when detecting diesel engine electric starting to come each cylinder compression pressure of Diagnosis of Diesel and sealing homogeneity fault.
The utility model utilizes and detects diesel engine oil pipe pressure instantaneous value, carrys out Diagnosis of Diesel oil supply system failure.As fuel supply advance angle, oil nozzle atomization, abnormal injection, high-pressure leakage etc.
The utility model utilizes and detects Diesel Engine Exhaust Pipe export department bit table surface temperature, carrys out Diagnosis of Diesel cylinder by cylinder uniformity fault, detects the relevant surface temperature of cooling-part, diagnoses the fault of cooling-part own or the uneven fault that works.
The utility model utilizes and detects Cylinder Pressure of Diesel Engine mean value and instantaneous value, carrys out Diagnosis of Diesel combustion system fault.
The utility model be utilize sensing technology, signal transacting recognition technology, computer technology and diesel engine specialty closely to combine, diesel engine carried out to online periodic detection, according to association professional knowledge, whether diesel engine broken down, a kind of device that fault degree, failure cause and trouble location are diagnosed.
Claims (1)
1. diesel engine fault comprehensive detection diagnostic equipment, comprise diesel engine (1), it is characterized in that: current sensor (2), speed probe (3), cylinder pressure sensor (4), oil pressure sensor (5) and surface temperature sensor (6) are connected diesel engine (1) and change-over circuit (7) respectively; Change-over circuit (7) is connected on monitoring and control unit (8), and monitoring and control unit (8) connects computing machine (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520310119.9U CN204594696U (en) | 2015-05-14 | 2015-05-14 | Diesel engine fault comprehensive detection diagnostic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520310119.9U CN204594696U (en) | 2015-05-14 | 2015-05-14 | Diesel engine fault comprehensive detection diagnostic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204594696U true CN204594696U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520310119.9U Expired - Fee Related CN204594696U (en) | 2015-05-14 | 2015-05-14 | Diesel engine fault comprehensive detection diagnostic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204594696U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270972A (en) * | 2017-07-28 | 2017-10-20 | 安永 | A kind of device of the pre- failure judgement of engineering machinery |
| CN109632319A (en) * | 2018-11-20 | 2019-04-16 | 吉林铁道职业技术学院 | It is a kind of harmony in 5 locomotive diesel machine overhauling auxiliary systems |
-
2015
- 2015-05-14 CN CN201520310119.9U patent/CN204594696U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270972A (en) * | 2017-07-28 | 2017-10-20 | 安永 | A kind of device of the pre- failure judgement of engineering machinery |
| CN109632319A (en) * | 2018-11-20 | 2019-04-16 | 吉林铁道职业技术学院 | It is a kind of harmony in 5 locomotive diesel machine overhauling auxiliary systems |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20180514 |