CN115075957B - Online monitoring device for modularized diesel engine speed regulating system - Google Patents
Online monitoring device for modularized diesel engine speed regulating system Download PDFInfo
- Publication number
- CN115075957B CN115075957B CN202210567695.6A CN202210567695A CN115075957B CN 115075957 B CN115075957 B CN 115075957B CN 202210567695 A CN202210567695 A CN 202210567695A CN 115075957 B CN115075957 B CN 115075957B
- Authority
- CN
- China
- Prior art keywords
- diesel engine
- module
- monitoring device
- line monitoring
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 30
- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims abstract description 53
- 238000012544 monitoring process Methods 0.000 claims abstract description 36
- 239000000523 sample Substances 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
- F02D1/02—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
- F02D1/04—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered by mechanical means dependent on engine speed, e.g. using centrifugal governors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention provides an on-line monitoring device of a modularized diesel engine speed regulating system, which comprises: the waveform processing display module is used for processing analog quantity signals and is provided with a display screen, a comprehensive operation button and a starting button; the device power module is used for providing power supply and is provided with a power indication green light and a fault alarm red light; the accelerator rack displacement module is used for monitoring the accelerator rack on line and externally connecting a displacement sensor for sampling; the electric current regulating and outputting monitoring module is provided with a second analog quantity output terminal and a first BNC interface; the diesel engine rotating speed module is provided with a third analog output terminal and a second BNC interface; and the rotating speed probe input detection module is provided with a fourth analog output terminal and a third BNC interface. The on-line monitoring device of the modularized diesel engine speed regulating system provided by the invention adopts a modularized design, so that the omnibearing on-line monitoring of the diesel engine speed regulating system is realized, and the reliability of the diesel engine is greatly improved.
Description
Technical Field
The invention relates to the technical field of monitoring of diesel engine speed regulation systems, in particular to an on-line monitoring device of a modularized diesel engine speed regulation system.
Background
Taking an emergency diesel generator of a certain nuclear power plant as an example, during a monthly low-load test, the diesel engine generates unidentified rotation speed fluctuation, the fluctuation lasts for 15S, the low-frequency protection is triggered, and the outlet breaker trips; the test was again carried out one month apart, the rotational speed again fluctuated widely, and the process continued for 20S. And finally, the faults disappear after the mechanical speed regulator and the electronic speed regulator are replaced. However, the fault equipment can not be positioned when the fault is caused because no detection device detects the speed regulation system in the event.
The speed regulating system belongs to key sensitive equipment of the diesel engine, and is particularly important for nuclear power emergency power supplies: because nuclear power diesel generator and corresponding emergent busbar relate to nuclear safety, if the unavailable shut down accident of diesel engine occurs, the test fails lightly, the nuclear safety supervision project is unqualified, and the reliability of the emergent busbar is threatened and the ASP index is influenced heavily.
It can be seen that the speed regulation system is a key device in the diesel engine, if the diesel engine fails, the diesel engine will not be available, and for the nuclear power plant, the consequences are more serious, the nuclear safety function is directly affected, and emergency facilities are threatened.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, thereby providing the on-line monitoring device of the modularized diesel engine speed regulating system, which adopts modularized design, realizes the omnibearing on-line monitoring of the diesel engine speed regulating system and greatly improves the reliability of the diesel engine.
In order to achieve the above object, the present invention provides the following technical solutions:
an on-line monitoring device for a modularized diesel engine speed regulating system, comprising:
the waveform processing display module is used for processing analog quantity signals and is provided with a display screen, a comprehensive operation button and a starting button;
the device power module is used for providing power supply and is provided with a power indication green light and a fault alarm red light;
the accelerator rack displacement module is used for monitoring the accelerator rack on line and externally connecting a displacement sensor for sampling;
the electric current regulating and outputting monitoring module is provided with a second analog quantity output terminal and a first BNC interface;
the diesel engine rotating speed module is provided with a third analog output terminal and a second BNC interface; and
the rotating speed probe input detection module is provided with a fourth analog output terminal and a third BNC interface.
As an implementation manner, the waveform processing display module is further provided with a USB interface for exporting the recording file.
As an implementation manner, the display screen is a liquid crystal touch display screen.
As an embodiment, the device power module has an expansion interface for connecting to an external power source.
As an implementation manner, the expansion interface includes a terminal strip interface and a PROBE interface.
As an implementation manner, the accelerator rack displacement module is provided with a data communication interface, a first analog output terminal, a watertight aviation plug and an accelerator threshold lamp.
As an implementation manner, the throttle threshold lamp comprises a throttle threshold green lamp and a throttle threshold red lamp.
As an implementation manner, the displacement sensor is connected with the watertight aviation plug through a cable so as to be connected with the accelerator rack displacement module.
As an implementation mode, a cam is arranged on the accelerator rack transverse pull rod, the displacement between the cam and the displacement sensor represents the displacement of the accelerator, and the displacement sensor is fixed on the actuator through I-steel.
As an implementation manner, each adjacent module is matched with a positioning nut through a positioning hole and connected with a D-shaped connector.
As an embodiment, the number of the rotational speed probe input detection modules is identical to the number of the electronic speed regulators to be monitored.
Compared with the prior art, the on-line monitoring device for the modularized diesel engine speed regulating system has the following beneficial effects:
the on-line monitoring device provided by the invention can identify the hidden trouble of the equipment in advance, is convenient for subsequent fault investigation, and can process the defects timely and efficiently.
The on-line monitoring device provided by the invention realizes the omnibearing on-line monitoring of the diesel engine speed regulating system, and greatly improves the reliability of the diesel engine; the comprehensive on-line monitoring can immediately lock specific fault reasons and equipment, greatly improve defect elimination speed and shorten maintenance time. Each module can be held in a hand and portable way, and can also be fixed by a guide rail.
In addition, the speed regulation system is in personalized collocation according to different user demands through the modularized design, so that the speed regulation system is monitored on line, and the effects of early prevention and post traceability are achieved. The on-line monitoring device provided by the invention is not limited by a cabinet, an unlimited electronic speed regulator model and an unlimited actuator, and can adjust various parameters according to different diesel engine models and different input signals so as to meet the requirements of different scenes.
Furthermore, a rich analog interface is provided and can be used for accessing an existing recorder or an upper computer on site.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an on-line monitoring device for a modularized diesel engine speed regulation system according to an embodiment of the present invention;
FIG. 2 is a block diagram of an on-line monitoring device for a modular diesel engine speed regulation system according to an embodiment of the present invention;
fig. 3 is an assembly schematic diagram of an accelerator rack displacement sensor according to an embodiment of the present invention.
Reference numerals illustrate:
1. a waveform processing display module; 2. a device power module; 3. an accelerator rack displacement module; 4. an electric current regulating and outputting monitoring module; 5. a diesel engine rotational speed module; 6. the rotating speed probe is input into the detection module;
101. a display screen; 102. a USB interface; 103. a comprehensive operation button; 104. a start button;
201. a power supply indicates a green light; 202. an expansion interface; 203. a fault alarm red light;
301. a data communication interface; 302. a first analog output terminal; 303. watertight aviation plug; 304. throttle threshold light;
401. a second analog output terminal; 402. a first BNC interface;
501. a third analog output terminal; 502. a second BNC interface;
601. a fourth analog output terminal; 602. a third BNC interface;
701. the upper part M4 is embedded with a positioning nut; 702. an upper spring type M4 set screw; 703. the lower part M4 is embedded with a positioning nut; 704. a lower M4 set screw; 705. a D-type connector;
801. a diesel engine actuator; 802. a throttle rack transverse pull rod; 803. a cam; 804. i-steel; 805. a displacement sensor; 806. and (3) a cable.
Detailed Description
While the modular diesel engine governor on-line monitoring apparatus of the present invention may be implemented in a number of different ways, exemplary embodiments will be described in detail herein with reference to the accompanying drawings, it being understood that the description herein should be considered as illustrative of the structure of the modular diesel engine governor on-line monitoring apparatus and not intended to limit the scope of the invention to the exemplary embodiments. Accordingly, the drawings and description of the embodiments are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. herein are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or parts referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Further details are provided below with reference to the specific embodiments.
As shown in fig. 1, the invention provides an on-line monitoring device of a modularized diesel engine speed regulating system, which comprises a waveform processing display module 1, a device power module 2, an accelerator rack displacement module 3, an electric current regulating output monitoring module 4, a diesel engine rotating speed module 5 and a rotating speed probe input detection module 6. The invention adopts a modularized design, can be matched according to the individuation of users, and is suitable for various scenes, such as hand-held mobile type and in-cabinet guide rail fixed type. Except that the right side of the waveform display module 1 is provided with a female D-type connector, the left side and the right side of each other module are respectively provided with a male D-type connector and a wood D-type connector. The device power module 2, the accelerator rack displacement module 3, the electric current output monitoring module 4, the diesel engine rotating speed module 5 and the rotating speed probe input detection module 6 can be matched according to user requirements by themselves, and only the male D-type connector of the device power module is connected into the female D-type connector of the adjacent module.
The waveform processing display module 1 processes analog quantity signals acquired by other modules (the device power module 2, the accelerator rack displacement module 3, the electric current adjusting and outputting monitoring module 4, the diesel engine rotating speed module 5 and the rotating speed probe input detection module 6). Setting and operating the device (namely, the waveform processing display module 1) through the comprehensive operation buttons 103 or the display screen 101 (basic parameters of the waveform display module 1, file wave recording storage and the like can be set, and channel information, triggering conditions, sampling precision, display setting and the like of each module are set); after being ready, the on-line monitoring is started by the start button 104; the final wave recording file is stored in a universal combtrade format, so that online viewing can be realized, or the USB interface 102 can export and view. The integrated operation buttons 103 include up, down, left, right operation keys, cancel keys, and confirm keys. The display 101 is preferably a liquid crystal touch display.
The device power module 2 provides the power supply for the processing module. The power supply is provided for the waveform processing display module 1, the accelerator rack displacement module 3, the electric current regulating and outputting monitoring module 4, the diesel engine rotating speed module 5 and the rotating speed PROBE input detection module 6 of all modules, and meanwhile, one path of power supply 48VDc is additionally provided, one path of power supply 24VDc is used for expanding an external power supply 202 (which can be used for a Hall direct current sensor power supply), and the expanding power supply is provided with two interfaces, namely a terminal row and a PROBE. The external power supply can be selected from three types 220VAc, 48VDc, 24 VDc. The module configures a power indication green light 201, an expansion interface 202, and a fault alarm red light 203. The device power module 2 provides one path 48VDc and one path 24VDc for expanding an external power supply (which can be used for a Hall direct current sensor power supply), and the expansion interface 202 is provided with a terminal strip and a PROBE interface.
As shown in fig. 1 and 3, the accelerator rack displacement module 3 is matched with a special displacement sensor to realize on-line monitoring of the accelerator rack. That is, the displacement sensor is connected to the accelerator rack displacement module 3 by a watertight aviation plug 303. After the accelerator rack displacement module 3 is connected, the rack threshold value of an accelerator threshold value lamp 304 (comprising an accelerator threshold value green lamp and an accelerator threshold value red lamp) is set through the waveform processing display module 1 or the data communication interface 301. The displacement sensor 805 is accessed to the module for sampling via the watertight aviation plug 303. The accelerator rack displacement module 3 also provides two groups of first analog output terminals 302 of 4-20 mA, which are used for expansion and can be used for externally connecting rack meters, fault oscillometers and other devices.
The electric current output monitoring module 4 is matched with a Hall direct current sensor to monitor (monitor the output current of the electronic speed regulator) (clamp type, the original wiring is not damaged). The module can monitor the electric current by externally connecting a Hall direct current sensor, namely the module and the Hall direct current sensor are matched. The electric adjustment current output monitoring module 4 can select different types of modules according to the actual electric adjustment output range: 0-200 mV or 0-1V. If there are several electronic speed regulators, several electronic current output monitoring modules 4 can be matched. The electrically regulated current output monitoring module 4 has a first BNC interface 402, the first BNC interface 402 being adapted to a plurality of dc clamps. The module is provided with two groups of second analog output terminals 401 with 0-200 mV or 0-1V, and can be used for externally connecting devices such as a ammeter, a fault recorder and the like.
The electronic speed regulator is one of the core components of the diesel engine speed regulating system, and the throttle actuating mechanism is driven by the output regulating current through the PID calculation by collecting the real-time rotating speed signal.
The diesel engine rotating speed module 5 is matched with a Hall direct current sensor to monitor (monitor rotating speed signal current) (clamp type, original wiring is not damaged). The diesel engine rotating speed module 5 can monitor the rotating speed signal only by externally connecting a Hall direct current sensor, that is, the two are matched. The diesel engine rotating speed module 5 is provided with two groups of 0-100 mV third analog output terminals 501, which can be used for externally connecting devices such as a tachometer, a fault recorder and the like. The diesel engine rotation speed module 5 is provided with a second BNC interface 502 adapted to a plurality of dc clamps.
The number of rotational speed probe input detection modules 6 can be selected according to the actual application. The diesel engine rotation speed sensor probe outputs a direct current voltage signal, and a test wire can be directly connected into the third BNC interface 602 of the rotation speed probe input detection module 6 to perform measurement (the direct current voltage signal generated by the diesel engine rotation speed sensor probe is measured). In general, one electronic speed regulator is provided with 1-2 rotating speed probes, and if rotating speed probe signals of a plurality of electronic speed regulators need to be monitored, the number of the rotating speed probe input detection modules 6 can be increased to expand. The module provides two groups of 0-100 mV fourth analog output terminals 601, which can be used for externally connecting devices such as voltmeters, fault wave recorders and the like.
Preferably, the first BNC interface 402, the second BNC interface 502, and the third BNC interface 602 employ a universal BNC input interface.
As shown in fig. 2, any one of the 6 modules is provided with a positioning hole for mounting connection. Taking the matching of the accelerator rack displacement module 3 and the electric current output monitoring module 4 as an example, the side surface of the accelerator rack displacement module 3, which is close to the electric current output monitoring module 4, is provided with an upper M4 embedded positioning nut 701, a lower M4 embedded positioning nut 703 and a D-type connector 705, wherein the D-type connector 705 is a standard large-size D-type connector. The upper M4 embedded set nut 701 is used in conjunction with the upper spring M4 set screw 702, and the lower M4 embedded set nut 703 is used in conjunction with the lower M4 set screw 704.
The lower part M4 embedded positioning nut 703 of the accelerator rack displacement module 3 and the lower part M4 positioning screw 704 of the electric current output monitoring module 4 are aligned and positioned, two adjacent modules are slightly pressed (pressed towards the left side of the modules, namely, the left male D-shaped connector of the electric current output monitoring module 4 is pressed towards the right female D-shaped connector of the accelerator rack displacement module 3, so that the D-shaped connectors 705 of the two modules are connected, the male and female connectors of the D-shaped connectors 705 are connected, finally, the upper spring type M4 positioning screw 702 and the upper M4 embedded nut 701 are fixed by using a screwdriver, and the connection between the modules is completed.
The assembly method of the accelerator rack displacement sensor comprises the following steps:
considering the working environment of the diesel engine actuator 801, the displacement sensor 805 adopts a high-precision and high-reliability fully-sealed sensor, the displacement signal is converted into a current signal by the displacement sensor 805, and the current signal is connected to the accelerator rack displacement module 3 by a watertight aviation plug through a cable 806; wherein, a cam 803 is arranged on the accelerator rack transverse pull rod 802, and the displacement between the cam 803 and a displacement sensor 805 is the displacement of the accelerator; the displacement sensor 805 is fixed to the actuator 801 using a steel bar 804. The accelerator rack transverse pull rod 802 is positioned on the diesel engine actuator 801, and in order to realize the displacement monitoring of the rack, a cam 803 needs to be installed on the rack transverse pull rod 802, and the actual displacement of the accelerator rack is represented by the displacement between the cam 803 and a displacement sensor 805.
The invention adopts a modularized design, can be matched by a user in a personalized way, can be held and carried by a hand, can also be fixed by a guide rail, realizes the omnibearing on-line monitoring of a diesel engine speed regulating system, and greatly improves the reliability of a diesel engine. And the comprehensive on-line monitoring can immediately lock specific fault reasons and equipment, so that the defect elimination speed is greatly improved, and the overhaul time is shortened. In addition, the invention is not limited by a cabinet, an unlimited electronic speed regulator model and an unlimited actuator, and can adjust various parameters according to different diesel engine models and different input signals so as to meet the requirements of different scenes.
Taking a nuclear power plant as an example, according to the technical specification requirements of the nuclear power plant, the nuclear power plant needs to carry out load, idle load, grid connection and other tests on an emergency diesel engine regularly, the test aims at verifying the carrying capacity and the carrying capacity of the diesel engine, belongs to a nuclear safety supervision project, and the ASP index of the diesel engine is directly affected by problems existing in the test process. However, most diesel engines do not perform all-round and all-time online monitoring on a speed regulation system, which has a great hidden trouble for risk identification and defect analysis. Therefore, the device can systematically detect the whole speed regulating system, monitor the running condition of the speed regulating system in real time, and has important significance.
The device provided by the invention can be widely used for a diesel engine speed regulating system, and can effectively monitor all analog signals of the speed regulating system including current output of an electronic speed regulator, input of a speed sensor, displacement of an accelerator rack and actual rotating speed of the diesel engine when the diesel engine is in operation. Under the condition of not damaging any loop, the high-precision Hall direct current clamp and the high-precision displacement sensor are input into a monitoring device, so that the on-line monitoring of the whole speed regulation system is realized.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. An on-line monitoring device for a modularized diesel engine speed regulating system, comprising:
the waveform processing display module (1) is used for processing analog quantity signals and is provided with a display screen (101), a comprehensive operation button (103) and a starting button (104);
a device power module (2) for providing a power supply having a power indication green light (201) and a fault warning red light (203);
the accelerator rack displacement module (3) is used for monitoring the accelerator rack on line and externally connecting a displacement sensor (805) for sampling;
the electric regulating current output monitoring module (4) is used for monitoring the output current of the electronic speed regulator, the electric regulating current output monitoring module (4) is provided with a second analog output terminal (401) and a first BNC interface (402), the second analog output terminal (401) is used for being externally connected with a ammeter or a fault recorder, and the first BNC interface (402) is used for collecting the output current of the electronic speed regulator;
the diesel engine rotating speed module (5) is provided with a third analog output terminal (501) and a second BNC interface (502), wherein the third analog output terminal (501) is used for being externally connected with a tachometer or a fault oscillograph, and the second BNC interface (502) is used for collecting rotating speed analog signals; and
the rotating speed probe input detection module (6) is provided with a fourth analog output terminal (601) and a third BNC interface (602), the fourth analog output terminal (601) is used for being externally connected with a voltmeter or a fault recorder, and the third BNC interface (602) is used for collecting a rotating speed probe voltage signal.
2. The on-line monitoring device of the modularized diesel engine speed regulating system according to claim 1, wherein the waveform processing display module (1) is further provided with a USB interface (102) for exporting a wave recording file.
3. The on-line monitoring device of a modular diesel engine speed regulation system according to claim 1, characterized in that the display screen (101) is a liquid crystal touch display screen.
4. The on-line monitoring device of a modular diesel engine governor system according to claim 1, characterized in that the device power module (2) has an expansion interface (202) for connecting to an external power source.
5. The on-line monitoring device of a modular diesel engine governor system of claim 4, wherein the expansion interface (202) comprises a terminal block interface and a PROBE interface.
6. The modular diesel engine speed regulation system on-line monitoring device according to claim 1, wherein the throttle rack displacement module (3) has a data communication interface (301), a first analog output terminal (302), a watertight aviation plug (303) and a throttle threshold light (304).
7. The modular diesel engine governor system online monitoring apparatus of claim 6, wherein the throttle threshold light (304) comprises a throttle threshold green light, a throttle threshold red light.
8. The modular diesel engine governor system on-line monitoring device of claim 6, wherein the displacement sensor (805) is connected to the watertight aviation plug (303) by a cable (806) to access the throttle rack displacement module (3).
9. The on-line monitoring device of a modular diesel engine speed regulation system according to claim 8, characterized in that a cam (803) is mounted on a throttle rack transverse pull rod (802), the displacement between the cam (803) and the displacement sensor (805) represents the displacement of the throttle, and the displacement sensor (805) is fixed on the actuator (801) through a i-steel (804).
10. The on-line monitoring device of a modular diesel engine speed regulation system according to claim 1, wherein each adjacent module is connected with a D-type connector (705) by matching a positioning hole with a positioning nut.
11. The on-line monitoring device of a modular diesel engine speed regulating system according to claim 1, characterized in that the number of arrangement of the rotational speed probe input detection modules (6) corresponds to the number of electronic speed regulators to be monitored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567695.6A CN115075957B (en) | 2022-05-23 | 2022-05-23 | Online monitoring device for modularized diesel engine speed regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567695.6A CN115075957B (en) | 2022-05-23 | 2022-05-23 | Online monitoring device for modularized diesel engine speed regulating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115075957A CN115075957A (en) | 2022-09-20 |
| CN115075957B true CN115075957B (en) | 2024-01-12 |
Family
ID=83249122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210567695.6A Active CN115075957B (en) | 2022-05-23 | 2022-05-23 | Online monitoring device for modularized diesel engine speed regulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115075957B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142337A (en) * | 1984-12-13 | 1986-06-30 | Kubota Ltd | Governor device in working vehicle |
| JPH08127268A (en) * | 1994-10-28 | 1996-05-21 | Isuzu Motors Ltd | Vehicle running controller |
| CN201344068Y (en) * | 2008-12-25 | 2009-11-11 | 中国北车集团大连机车研究所有限公司 | Pull rod type operating speed controller of locomotive diesel engine |
| CN101576012A (en) * | 2009-05-19 | 2009-11-11 | 北京东风机车电器厂 | Electronic speed-regulating method and speed-regulating device thereof |
| CN102337973A (en) * | 2010-10-26 | 2012-02-01 | 重庆红江机械有限责任公司 | Dual-pulse speed regulator |
| CN103628991A (en) * | 2013-11-20 | 2014-03-12 | 镇江恒驰科技有限公司 | Marine diesel oil-LNG dual-fuel engine management system detection device and method |
| JP2014137059A (en) * | 2013-01-18 | 2014-07-28 | Nikki Co Ltd | Mechanical governor |
| CN205638759U (en) * | 2016-05-20 | 2016-10-12 | 中国人民解放军镇江船艇学院 | Multi -cylinder diesel engine sprayer failure diagnosis device |
| CN208106582U (en) * | 2018-04-28 | 2018-11-16 | 泰豪电源技术有限公司 | integrated control screen and diesel generator system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8744731B2 (en) * | 2010-11-15 | 2014-06-03 | Governors America Corp. | Electronic digital governor and method of assembly |
-
2022
- 2022-05-23 CN CN202210567695.6A patent/CN115075957B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142337A (en) * | 1984-12-13 | 1986-06-30 | Kubota Ltd | Governor device in working vehicle |
| JPH08127268A (en) * | 1994-10-28 | 1996-05-21 | Isuzu Motors Ltd | Vehicle running controller |
| CN201344068Y (en) * | 2008-12-25 | 2009-11-11 | 中国北车集团大连机车研究所有限公司 | Pull rod type operating speed controller of locomotive diesel engine |
| CN101576012A (en) * | 2009-05-19 | 2009-11-11 | 北京东风机车电器厂 | Electronic speed-regulating method and speed-regulating device thereof |
| CN102337973A (en) * | 2010-10-26 | 2012-02-01 | 重庆红江机械有限责任公司 | Dual-pulse speed regulator |
| JP2014137059A (en) * | 2013-01-18 | 2014-07-28 | Nikki Co Ltd | Mechanical governor |
| CN103628991A (en) * | 2013-11-20 | 2014-03-12 | 镇江恒驰科技有限公司 | Marine diesel oil-LNG dual-fuel engine management system detection device and method |
| CN205638759U (en) * | 2016-05-20 | 2016-10-12 | 中国人民解放军镇江船艇学院 | Multi -cylinder diesel engine sprayer failure diagnosis device |
| CN208106582U (en) * | 2018-04-28 | 2018-11-16 | 泰豪电源技术有限公司 | integrated control screen and diesel generator system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115075957A (en) | 2022-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201336157Y (en) | Novel test device for reactor protection systematic procedure instrument testing | |
| CN203025281U (en) | Transformer abnormal vibration test device | |
| CN106932714A (en) | Aircraft electrical box comprehensive detection system and detection method | |
| CN208399634U (en) | A kind of comprehensive on-line monitoring system of electric power transformer insulated state | |
| CN108983110B (en) | Power supply reliability detection system of converter valve monitoring equipment | |
| CN107748194A (en) | Aircraft fuel tank oxygen concentration Airborne Testing System and method based on electrochemical principle | |
| CN107884737B (en) | Wireless high-precision synchronous on-site capacitive equipment on-line monitoring and checking system and method | |
| CN117554736B (en) | Online detection communication system and working method | |
| CN115075957B (en) | Online monitoring device for modularized diesel engine speed regulating system | |
| CN105137258A (en) | Intelligent early-warning control device for high-voltage test grounding | |
| CN112485577B (en) | Low-voltage testing device for power electronic equipment | |
| CN101957436B (en) | Power supply quality tester of IT (Information Technology) server equipment and test method | |
| Lindahl et al. | Noncontact sensors and nonintrusive load monitoring (NILM) aboard the USCGC spencer | |
| Ke et al. | A novel power transformer condition monitoring system based on wide-band measurement of core earth signals and correlation analysis with multi-source data | |
| CN208297630U (en) | A kind of main fransformer oil chromatography online monitoring system | |
| CN108594062A (en) | A kind of the shorted-turn fault localization method and system of feature based wave-form similarity | |
| KR100361868B1 (en) | diagnosis system of AVR control equipment | |
| CN115288870B (en) | Monitoring and fault processing method for diesel engine speed regulating system | |
| CN219039194U (en) | Monitoring device for diesel generator system | |
| CN217846541U (en) | Hall integrated circuit on-line high-low temperature test system | |
| CN212808440U (en) | Nuclear power station actuating mechanism insulation and direct resistance testing device | |
| CN213181986U (en) | Direct current shunt testing arrangement | |
| CN212932793U (en) | On-line detection equipment for insulation resistance of power utilization system | |
| CN218727958U (en) | Electric energy meter on-site calibration instrument with state studying and judging function | |
| CN117741293B (en) | Aviation solid-state block terminal on-line measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |