CN113665628A - Fault monitoring system of diesel locomotive power system - Google Patents
Fault monitoring system of diesel locomotive power system Download PDFInfo
- Publication number
- CN113665628A CN113665628A CN202110759270.0A CN202110759270A CN113665628A CN 113665628 A CN113665628 A CN 113665628A CN 202110759270 A CN202110759270 A CN 202110759270A CN 113665628 A CN113665628 A CN 113665628A
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- diesel locomotive
- power system
- fault
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 73
- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 230000002159 abnormal effect Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012216 screening Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0081—On-board diagnosis or maintenance
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention is suitable for the technical field of railway transportation, and provides a fault monitoring system of a power system of a diesel locomotive. The system comprises an acquisition module and an alarm module; the acquisition module is connected with the alarm module; the acquisition module is used for being installed in a power system of the diesel locomotive to acquire the operation parameters of the power system and sending the operation parameters to the alarm module; the alarm module is used for receiving the operation parameters and sending alarm information when the operation parameters are abnormal, and the alarm information is used for indicating that a power system of the diesel locomotive breaks down. The invention obtains the operation parameters of the diesel locomotive power system through the acquisition module, and sends alarm information through the alarm module when the operation parameters are abnormal, thereby timely reminding workers of the occurrence of faults of the diesel locomotive.
Description
Technical Field
The invention belongs to the technical field of railway transportation, and particularly relates to a fault monitoring system of a power system of a diesel locomotive.
Background
At present, an internal combustion locomotive is a common tool for railway transportation, and in the long-term operation process of the internal combustion locomotive, various indexes of a power system can not meet requirements, and at the moment, the locomotive can possibly break down. If the driver can not find the fault in time and take emergency measures, the fault of the locomotive is easy to be enlarged, and great loss is caused.
Therefore, how to find the fault of the diesel locomotive in time is a problem which needs to be solved urgently at present.
Disclosure of Invention
In view of this, the invention provides a fault monitoring system for a power system of an internal combustion locomotive, so as to solve the problem that faults of the internal combustion locomotive are difficult to find in time in the prior art.
The embodiment of the invention provides a fault monitoring system of a power system of a diesel locomotive, which comprises an acquisition module and an alarm module, wherein the acquisition module is used for acquiring a fault signal of the power system of the diesel locomotive;
the acquisition module is connected with the alarm module;
the acquisition module is used for being installed in a power system of the diesel locomotive to acquire the operation parameters of the power system and sending the operation parameters to the alarm module;
the alarm module is used for receiving the operation parameters and sending alarm information when the operation parameters are abnormal, and the alarm information is used for indicating that a power system of the diesel locomotive breaks down.
Compared with the prior art, the invention has the following beneficial effects:
the fault monitoring system of the diesel locomotive power system comprises an acquisition module and an alarm module; the acquisition module is connected with the alarm module; the acquisition module is used for being installed in a power system of the diesel locomotive to acquire the operation parameters of the power system and sending the operation parameters to the alarm module; the alarm module is used for receiving the operation parameters and sending alarm information when the operation parameters are abnormal, and the alarm information is used for indicating that a power system of the diesel locomotive breaks down. The invention obtains the operation parameters of the diesel locomotive power system through the acquisition module, and sends alarm information through the alarm module when the operation parameters are abnormal, thereby timely reminding workers of the occurrence of faults of the diesel locomotive.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a fault monitoring system of a power system of an internal combustion locomotive provided by an embodiment of the invention;
FIG. 2 is a schematic structural diagram of an alarm module provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram of an alarm circuit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of another configuration of an alarm circuit according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fault monitoring system of a power system of a diesel locomotive according to an embodiment of the invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description is made by way of specific embodiments with reference to the accompanying drawings.
Referring to fig. 1, a schematic structural diagram of a fault monitoring system of a power system of a diesel locomotive provided by an embodiment of the invention is shown, and the fault monitoring system is detailed as follows:
the fault monitoring system 1 of the diesel locomotive power system comprises an acquisition module 11 and an alarm module 12.
The acquisition module 11 is connected with the alarm module 12.
The acquisition module 11 is used for being installed in a power system of the diesel locomotive to acquire operation parameters of the power system and send the operation parameters to the alarm module 12.
The alarm module 12 is configured to receive the operation parameter and send an alarm message when the operation parameter is abnormal, where the alarm message is used to indicate that a power system of the diesel locomotive is faulty.
In the embodiment, the acquisition module 11 is installed in a power system of the diesel locomotive, and various operating parameters of the power system are acquired through sensors. The operation parameters of the power system can include but are not limited to one or more of the parameters reflecting the operation state of the power system, such as the air pressure of the main air reservoir, the water level of the water tank, the rotating speed of the motor and the like.
Referring to fig. 2, in some embodiments, the operating parameter is one or more. The alarm module 12 includes an alarm circuit 121 and a switching unit 122. One or more switching units 122 are provided, and the switching units 122 correspond to the operating parameters one to one.
One end of each switch unit 122 is connected to the acquisition module 11, and the other end is connected to the alarm circuit 121.
And the acquisition module 11 is configured to send each operating parameter to the corresponding switch unit 122.
The switch unit 122 is configured to receive the corresponding operating parameter, and close when the corresponding operating parameter is abnormal, so as to connect the alarm circuit 121.
The alarm circuit 121 is used for sending alarm information when connected.
In this embodiment, the collection module 11 may include a plurality of sensors, which correspond to a plurality of operating parameters one-to-one, for example, a wind pressure of the main reservoir is collected by a wind pressure meter, and a water level of the water tank is collected by a level meter. During operation, a plurality of sensors simultaneously acquire a plurality of operating parameters of the power system of the diesel locomotive. Accordingly, the switch unit 122 includes a plurality of switches, corresponding to the sensors and the operation parameters. The alarm circuit 121 is connected with the plurality of switch units, and when any one switch unit is closed, the alarm circuit 121 is connected to send alarm information.
Optionally, the operating parameter includes a pressure value of a total reservoir of the diesel locomotive.
The acquisition module 11 comprises an air pressure gauge which is used for being installed in a total air cylinder of the diesel locomotive so as to acquire the pressure value of the total air cylinder.
The switching unit 122 includes a wind pressure low switch 1221; the air pressure low switch 1221 is configured to receive a pressure value of the master reservoir, and is closed when the pressure value of the master reservoir is lower than a first preset threshold, so that the alarm circuit 121 sends out alarm information.
In this embodiment, the collecting module 11 collects the pressure value of the main reservoir by using the wind pressure meter, and sends the collected pressure value to the wind pressure lowering switch 1221 through a connection line or wireless communication. The first preset threshold value in this embodiment may be 700Kpa, when the pressure value of the total reservoir reaches 700Kpa, the parking brake of the diesel locomotive may be triggered, the diesel locomotive may gradually stop running, at this time, the low wind pressure switch 1221 may be triggered, the automatic closing may communicate the alarm circuit 121, and then the alarm circuit 121 sends out alarm information to prompt the worker that the diesel locomotive malfunctions. The alarm information can be sound, light or character display, etc. The wind pressure low switch 1221 may be calculated and judged by the comparison circuit whether to reach a closing condition, or may be driven to close by a wind pressure meter or an intermediate component through a mechanical linkage structure.
Optionally, the operating parameter comprises a water level of a water tank of the diesel locomotive.
The acquisition module 11 includes a liquid level meter for being installed in a water tank of the internal combustion engine to acquire a water level of the water tank.
The switch unit 122 includes a minimum water level switch 1222; the lowest water level switch 1222 is configured to close when the water level is lower than a second preset threshold, so that the alarm circuit 121 sends out an alarm message.
In this embodiment, the collection module 11 collects the water level in the water tank through the liquid level meter, and may also obtain the water level in the water tank by detecting an image in the water tank, detecting the water level in the water tank, and then send the water level to the lowest water level switch 1222. Before use, the lowest water level switch 1222 is set, and a second preset threshold is set to the lowest water level switch 1222 according to actual conditions. When the water level in the water tank is lower than the second preset threshold value, the lowest water level switch 1222 is driven to be closed, so that the alarm circuit 121 is communicated and alarm information is sent out. The lowest water level switch 1222 may be calculated and determined by the comparison circuit to reach the closing condition, or may be driven to close by the liquid level meter through a mechanical linkage structure.
Optionally, the operating parameter comprises a speed of a traction motor of the diesel locomotive.
The switch unit 122 includes an idle relay 1223, and the idle relay 1223 is used for connecting the traction motor of the internal combustion locomotive to obtain the rotational speed of the traction motor, and is closed when the rotational speed is greater than a third preset threshold value, so that the alarm circuit sends out alarm information.
In this embodiment, the idle relay 1223 directly obtains the rotation speed of the traction motor, and performs fault judgment on the rotation speed, and when the rotation speed is greater than a third preset threshold, the internal coil of the idle relay 1223 is turned on, that is, closed, so that the alarm circuit 121 is turned on and gives an alarm. In this embodiment, a rotation speed sensor may be further disposed in the acquisition module 11, the rotation speed sensor acquires the rotation speed of the traction motor, and the comparison circuit is correspondingly used to determine whether the rotation speed of the traction motor is greater than a third preset threshold.
Referring to FIG. 3, in some embodiments, each operating parameter corresponds to a fault type.
The alarm module 12 further comprises a control unit 123.
The control unit 123 is connected to the alarm circuit 121 and each switch unit 122.
The control unit 123 is configured to control the alarm circuit 121 to issue alarm information indicating a type of failure corresponding to a certain switch unit 122 when the switch unit 122 is detected to be closed.
In this embodiment, each switch unit 122 is closed after determining that the operation parameter is abnormal, so that the alarm circuit 121 is connected, and the control unit 123 is also triggered to perform screening and determination on the fault type. The specific determination manner may be to determine the type of the closed switch unit 122 and determine the corresponding fault type, or detect a signal transmitted by a line where the closed switch unit 122 is located, analyze the signal type, determine the abnormal parameter type corresponding to the signal, and then obtain the fault type corresponding to the abnormal parameter. After the control unit 123 determines the fault type, the alarm circuit 121 is controlled to send alarm information corresponding to the fault type, and the alarm information can prompt a worker which kind of fault occurs specifically, so that the fault can be processed more specifically.
Optionally, the operating parameter comprises one or more of: the method comprises the following steps of (1) setting the pressure value of a total air cylinder of the diesel locomotive, the water level of a water tank of the diesel locomotive and the rotating speed of a traction motor of the diesel locomotive;
the fault type includes one or more of: low wind pressure fault, low water level fault and motor idle fault.
In this embodiment, if the pressure value of the total air cylinder of the diesel locomotive is too low, it is determined that a low air pressure fault occurs, if the water level of the water tank of the diesel locomotive is too low, it is determined that a low water level fault occurs, if the rotation speed of the traction motor of the diesel locomotive is too high, it is determined that a motor idling fault occurs, and a specific determination threshold needs to be determined according to actual conditions.
Optionally, the control unit 123 includes a controller; the controller includes one or more ports, each of which is connected to one of the switch units 122, and is configured to determine whether the corresponding switch unit 122 is closed, and control the alarm circuit 121 to send alarm information indicating a fault type corresponding to the switch unit 122 when the corresponding switch unit 122 is closed.
In this embodiment, before being put into use, the controller may be set, and the type of the switch unit 122 connected to each port, and the corresponding operating parameter and fault type are preset. When the switch unit 122 corresponding to a certain port is closed, the port receives a signal indicating that the switch unit 122 is closed, and then determines that a fault type corresponding to the port occurs, and then controls the alarm circuit 121 to send out corresponding alarm information.
Optionally, the alarm circuit 121 includes a voice alarm unit 1211 and/or a light alarm unit 1212.
In this embodiment, the voice alarm unit 1211 may send a preset voice alarm to remind the worker of the fault and the specific fault type, or send an emergency handling method corresponding to the fault type; the light alarm unit 1212 may indicate the type of the fault by the light color and the light-on/off frequency, respectively, by whether the fault occurs. In addition, the alarm circuit 121 may further include a display module, which displays the fault type and the corresponding processing method through a text, so that the staff can process the fault quickly. In this embodiment, a plurality of alarm modes may be performed simultaneously to ensure that a worker is reminded of a fault.
Optionally, the voice alarm unit 1211 includes a power amplifier 12111 and a speaker 12112.
In this embodiment, the power amplifier 12111 is used to amplify the alarm signal from the control unit 123, and then the amplified signal is played through the speaker 12112.
The following is a description of an embodiment example. Referring to fig. 5, in this embodiment example, the fault detection system can detect three kinds of faults, which are a wind pressure low fault, a water level low fault, and a motor idling fault. The fault detection system includes: an acquisition module 510, a switching unit 520, an alarm circuit 530, and a controller 540. Wherein, collection module 510 includes the barometer and the level gauge, and the barometer is installed in total reservoir, and the level gauge is installed in the water tank. The switching unit 520 includes a wind pressure low switch 521, a lowest water level switch 522, and an idle relay 523, and the idle relay 523 is directly connected to the traction motor. The alarm circuit 530 includes a voice alarm unit 531 and a light alarm unit 532. The voice alarm unit 531 includes a power amplifier 5311 and a speaker 5312.
In the operation process of the internal combustion locomotive, when the total air cylinder pressure reaches 700Kpa, a circuit for controlling the running of the internal combustion locomotive is cut off, the air pressure low switch 521 is closed, the alarm circuit 530 is communicated, the controller 540 performs screening judgment on the trigger signal, determines that an air pressure low fault occurs, and sends a corresponding control signal to the alarm circuit 531. The alarm circuit 530 receives the signal and reports that the air pressure is too low to a driver, and emergency measures need to be taken to avoid the locomotive from being out of order.
When the water level in the water tank is reduced, the liquid level meter is reduced, so that the lowest water level switch 522 is driven to be closed, the alarm circuit 530 is communicated, the controller 540 performs screening judgment on the trigger signal, determines that a low water level fault occurs, and sends a corresponding control signal to the alarm circuit 530. The alarm circuit 530 receives the signal and reports to the driver that the water level is too low and that emergency action is required.
When the wheel pair idles, the rotating speeds of the traction motors are different, the coil 523 of the idle relay is switched on, the alarm circuit 530 is communicated, the controller 540 screens and judges the trigger signal, determines that the motor idle fault occurs, and sends a corresponding control signal to the alarm circuit 530. The alarm system 530 receives the signal and reports the idling of the traction motor to the driver, and the driver is reminded in time.
The fault monitoring system of the diesel locomotive power system comprises an acquisition module and an alarm module; the acquisition module is connected with the alarm module; the acquisition module is used for being installed in a power system of the diesel locomotive to acquire the operation parameters of the power system and sending the operation parameters to the alarm module; the alarm module is used for receiving the operation parameters and sending alarm information when the operation parameters are abnormal, and the alarm information is used for indicating that a power system of the diesel locomotive breaks down. The invention obtains the operation parameters of the diesel locomotive power system through the acquisition module, and sends alarm information through the alarm module when the operation parameters are abnormal, thereby timely reminding workers of the occurrence of faults of the diesel locomotive.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A fault monitoring system of a diesel locomotive power system is characterized by comprising an acquisition module and an alarm module;
the acquisition module is connected with the alarm module;
the acquisition module is used for being installed in a power system of the diesel locomotive to acquire the operation parameters of the power system and sending the operation parameters to the alarm module;
the alarm module is used for receiving the operation parameters and sending alarm information when the operation parameters are abnormal, and the alarm information is used for indicating that a power system of the diesel locomotive breaks down.
2. The fault monitoring system of the diesel locomotive power system as claimed in claim 1, wherein the operating parameter is one or more, the alarm module comprises an alarm circuit and a switch unit; one or more switch units are provided, and the switch units correspond to the operation parameters one by one;
one end of each switch unit is connected with the acquisition module, and the other end of each switch unit is connected with the alarm circuit;
the acquisition module is used for sending each operation parameter to the corresponding switch unit;
the switch unit is used for receiving the corresponding operating parameters and is closed when the corresponding operating parameters are abnormal, so that the alarm circuit is communicated;
the alarm circuit is used for sending the alarm information when the alarm circuit is connected.
3. The fault monitoring system of the diesel locomotive power system of claim 1, wherein the operating parameter comprises a pressure value of a total reservoir of the diesel locomotive;
the acquisition module comprises an air pressure gauge, and the air pressure gauge is used for being installed in a main air cylinder of the diesel locomotive so as to acquire a pressure value of the main air cylinder;
the switch unit comprises a wind pressure low switch; the air pressure low switch is used for receiving the pressure value of the main air cylinder and is closed when the pressure value of the main air cylinder is lower than a first preset threshold value, so that the alarm circuit sends the alarm information.
4. The fault monitoring system for a diesel locomotive power system as set forth in claim 1, wherein said operating parameter comprises a water level of a water tank of the diesel locomotive;
the acquisition module comprises a liquid level meter, and the liquid level meter is used for being installed in a water tank of the diesel locomotive to acquire the water level of the water tank;
the switch unit comprises a lowest water level switch; and the lowest water level switch is used for being closed when the water level is lower than the second preset threshold value, so that the alarm circuit sends out the alarm information.
5. The fault monitoring system for a diesel locomotive power system as set forth in claim 1, wherein said operating parameter comprises a rotational speed of a traction motor of the diesel locomotive;
the switch unit comprises an idle relay, and the idle relay is used for being connected with a traction motor of the internal combustion locomotive so as to obtain the rotating speed of the traction motor and is closed when the rotating speed is greater than a third preset threshold value, so that the alarm circuit sends out the alarm information.
6. A fault monitoring system for a diesel locomotive power system according to any one of claims 2 to 5, characterized in that each operating parameter corresponds to a fault type;
the alarm module also comprises a control unit;
the control unit is respectively connected with the alarm circuit and each switch unit;
and the control unit is used for controlling the alarm circuit to send alarm information used for indicating the fault type corresponding to a certain switch unit when the switch unit is detected to be closed.
7. The system for monitoring the fault of the power system of the diesel locomotive according to claim 6,
the operating parameters include one or more of: the method comprises the following steps of (1) setting the pressure value of a total air cylinder of the diesel locomotive, the water level of a water tank of the diesel locomotive and the rotating speed of a traction motor of the diesel locomotive;
the fault type includes one or more of: low wind pressure fault, low water level fault and motor idle fault.
8. The fault monitoring system for a diesel locomotive power system as set forth in claim 6, wherein said control unit comprises a controller; the controller comprises one or more ports, each port is connected with one switch unit and used for judging whether the corresponding switch unit is closed or not, and when the corresponding switch unit is closed, the alarm circuit is controlled to send alarm information used for indicating the fault type corresponding to the switch unit.
9. The system of claim 1, wherein the alarm circuit comprises a voice alarm unit and/or a light alarm unit.
10. The system of claim 9, wherein the audio alert unit comprises a power amplifier and a horn.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110759270.0A CN113665628A (en) | 2021-07-05 | 2021-07-05 | Fault monitoring system of diesel locomotive power system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110759270.0A CN113665628A (en) | 2021-07-05 | 2021-07-05 | Fault monitoring system of diesel locomotive power system |
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| CN2379366Y (en) * | 1999-07-23 | 2000-05-24 | 郑州市三力实业有限公司 | Instrument for dynamic testing electrical device fault diesel locomotive |
| US20050119821A1 (en) * | 2003-09-03 | 2005-06-02 | Malone Specialty, Inc., An Ohio Corporation | Engine protection system |
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Application publication date: 20211119 |
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