CN112985784A - Maintenance detection method and device - Google Patents

Maintenance detection method and device Download PDF

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Publication number
CN112985784A
CN112985784A CN201911273694.5A CN201911273694A CN112985784A CN 112985784 A CN112985784 A CN 112985784A CN 201911273694 A CN201911273694 A CN 201911273694A CN 112985784 A CN112985784 A CN 112985784A
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China
Prior art keywords
auxiliary component
state
monitored auxiliary
air
monitored
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CN201911273694.5A
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Chinese (zh)
Inventor
何亮
谢佳
张群政
翁涛
黄一峰
任田良
吴峰
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CRRC Electric Vehicle Co Ltd
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CRRC Electric Vehicle Co Ltd
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Application filed by CRRC Electric Vehicle Co Ltd filed Critical CRRC Electric Vehicle Co Ltd
Priority to CN201911273694.5A priority Critical patent/CN112985784A/en
Publication of CN112985784A publication Critical patent/CN112985784A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00Servicing, maintaining, repairing, or refitting of vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • G01M99/005Testing of complete machines, e.g. washing-machines or mobile phones
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • G01M99/008Subject matter not provided for in other groups of this subclass by doing functionality tests

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The application provides a maintenance detection method and a maintenance detection device, and based on a whole vehicle system, the whole vehicle system comprises: a vehicle control unit and at least one monitored auxiliary component, the method comprising: the vehicle control unit receives signals related to the state of the monitored auxiliary component; the vehicle control unit detects the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component; and the vehicle control unit judges whether the monitored auxiliary component needs to be maintained or not according to the state of the monitored auxiliary component. In the application, the overall effect of maintenance can be improved through the above mode.

Description

Maintenance detection method and device
Technical Field
The present disclosure relates to the field of electrical technologies, and in particular, to a method and an apparatus for maintenance detection.
Background
In an electric motor coach, auxiliary components (such as an air filter, an air compressor or an electric control dryer) need to be maintained regularly so as to ensure the whole performance of the electric motor coach.
At present, maintenance personnel generally select maintenance time according to experience to maintain auxiliary components. However, this approach may result in premature or late maintenance, resulting in poor overall maintenance.
Disclosure of Invention
In order to solve the foregoing technical problems, embodiments of the present application provide a maintenance detection method and apparatus to achieve the purpose of improving the overall effect of maintenance, and the technical solution is as follows:
a maintenance detection method is based on a vehicle system, and the vehicle system comprises: a vehicle control unit and at least one monitored auxiliary component, the method comprising:
the vehicle control unit receiving a signal related to a status of the monitored auxiliary component;
the vehicle control unit detects the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component;
and the vehicle control unit judges whether the monitored auxiliary component needs to be maintained or not according to the state of the monitored auxiliary component.
Preferably, the monitored auxiliary component is: an air cleaner;
the signal relating to the state of the monitored auxiliary component is a signal indicative of the state of a pressure sensitive switch mounted within the air cleaner.
Preferably, the monitored auxiliary component is:
an air compressor;
the signals relating to the status of the monitored auxiliary component are: a signal indicative of a state of an oil pressure switch installed within the air compressor.
Preferably, the monitored auxiliary component is:
an air compressor;
the signals relating to the status of the monitored auxiliary component are: the signal is used for representing the state of an oil pressure switch arranged in the air compressor and the current signal of a motor connected with the air compressor.
Preferably, the monitored auxiliary component is:
an electrically controlled dryer;
the signals relating to the status of the monitored auxiliary component are: the air pressure signal of the air inlet of the electric control dryer and the air pressure signal of the air outlet of the air storage cylinder related to the electric control dryer.
Preferably, the method further comprises:
and the vehicle control unit feeds back a result of judging whether the monitored auxiliary component needs to be maintained to the specified equipment so as to prompt the specified equipment.
The utility model provides a dimension protects detection device, is based on whole car system, whole car system includes: vehicle control unit and at least one monitored auxiliary component, the apparatus comprising:
a receiving module for receiving a signal relating to the status of the monitored auxiliary component;
a detection module for detecting the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component;
and the judging module is used for judging whether the monitored auxiliary component needs to be maintained or not according to the state of the monitored auxiliary component.
Preferably, the monitored auxiliary component is: an air cleaner;
the signal relating to the state of the monitored auxiliary component is a signal indicative of the state of a pressure sensitive switch mounted within the air cleaner.
Preferably, the monitored auxiliary component is:
an air compressor;
the signals relating to the status of the monitored auxiliary component are: a signal indicative of a state of an oil pressure switch installed within the air compressor.
Preferably, the monitored auxiliary component is:
an air compressor;
the signals relating to the status of the monitored auxiliary component are: the signal is used for representing the state of an oil pressure switch arranged in the air compressor and the current signal of a motor connected with the air compressor.
Preferably, the monitored auxiliary component is:
an electrically controlled dryer;
the signals relating to the status of the monitored auxiliary component are: the air pressure signal of the air inlet of the electric control dryer and the air pressure signal of the air outlet of the air storage cylinder related to the electric control dryer.
Preferably, the apparatus further comprises:
and the prompting module is used for feeding back a result of judging whether the monitored auxiliary component needs to be maintained to the specified equipment so as to prompt the specified equipment.
Compared with the prior art, the beneficial effect of this application is:
in the application, the control logic of the vehicle control unit is expanded, so that the vehicle control unit can receive signals related to the state of the monitored auxiliary component; the vehicle control unit detects the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component, so that the state of the monitored auxiliary component is automatically detected, whether the monitored auxiliary component needs to be maintained or not is judged according to the detected state, the maintenance timeliness is improved, the loss caused by too-early or too-late maintenance is reduced, and the overall maintenance effect is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a flow chart of an embodiment 1 of a maintenance detection method provided by the present application;
FIG. 2 is a schematic diagram of an interface of product information in a schematic diagram of a logical structure of a vehicle system according to the present application;
FIG. 3 is an interface schematic of a search engine return category in a schematic of an air cleaner signaling provided herein;
FIG. 4 is a schematic diagram of signal transmission of an air compressor provided herein;
FIG. 5 is a schematic illustration of signal transmission from another air compressor provided herein;
FIG. 6 is a schematic diagram of signal transmission of an electronically controlled dryer provided herein;
FIG. 7 is a flow chart of another dimension detection method provided herein;
fig. 8 is a schematic diagram of a logic structure of a maintenance detection apparatus provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application discloses a maintenance detection method, based on a whole vehicle system, the whole vehicle system comprises: a vehicle control unit and at least one monitored auxiliary component, the method comprising: the vehicle control unit receiving a signal related to a status of the monitored auxiliary component; the vehicle control unit detects the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component; and the vehicle control unit judges whether the monitored auxiliary component needs to be maintained or not according to the state of the monitored auxiliary component. In the application, the overall effect of maintenance can be improved.
Next, a maintenance detection method disclosed in an embodiment of the present application is introduced, where the maintenance detection method is based on a vehicle system, and the vehicle system includes: as shown in fig. 1, a flowchart of an embodiment 1 of a maintenance detection method provided by the present application may include the following steps:
step S11, the vehicle control unit receives a signal related to a state of the monitored auxiliary component.
In this embodiment, the monitored auxiliary component may be, but is not limited to: an air cleaner, an air compressor or an electrically controlled dryer. As shown in fig. 2, a signal transmission relationship exists between the air filter and the vehicle control unit, a signal transmission relationship exists between the air compressor and the vehicle control unit, and a signal transmission relationship exists between the electric control dryer and the vehicle control unit. Based on the signal transmission relationship between the air filter and the vehicle control unit, the vehicle control unit can receive signals related to the state of the air filter; based on the signal transmission relationship between the air compressor and the vehicle control unit, the vehicle control unit can receive signals related to the state of the air compressor; based on the signal transmission relationship between the electric control dryer and the vehicle control unit, the vehicle control unit can receive signals related to the state of the electric control dryer.
And step S12, the vehicle control unit detects the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component.
The signal relating to the state of the monitored auxiliary component may reflect the state of the monitored auxiliary component, and thus the state of the monitored auxiliary component may be detected based on the signal relating to the state of the monitored auxiliary component.
And step S13, the vehicle control unit judges whether the monitored auxiliary component needs to be maintained according to the state of the monitored auxiliary component.
It can be understood that the vehicle control unit may store information of a state where the monitored auxiliary component needs to be maintained in advance, and on this basis, when the vehicle control unit detects the state of the monitored auxiliary component, the detected state of the monitored auxiliary component may be compared with the state where the monitored auxiliary component needs to be maintained, which is stored in advance, and according to a comparison result, whether the monitored auxiliary component needs to be maintained may be determined.
In the application, the control logic of the vehicle control unit is expanded, so that the vehicle control unit can receive signals related to the state of the monitored auxiliary component; the vehicle control unit detects the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component, so that the state of the monitored auxiliary component is automatically detected, whether the monitored auxiliary component needs to be maintained or not is judged according to the detected state, the maintenance timeliness is improved, the loss caused by too-early or too-late maintenance is reduced, and the overall maintenance effect is improved.
In embodiment 2 of the present application, mainly a refinement of the maintenance detection method described in embodiment 1 above, the method may include, but is not limited to, the following steps:
s21, the vehicle control unit receives a signal for indicating the state of a pressure-sensitive switch installed in the air filter.
In this embodiment, the signal related to the state of the air cleaner may be, but is not limited to: a signal indicative of a state of a pressure sensitive switch mounted within the air cleaner. As shown in fig. 3, a pressure sensitive switch mounted within the air cleaner transmits a signal indicative of its status to the vehicle control unit.
And S22, detecting the state of the air filter by the vehicle control unit according to the signal for representing the state of the pressure-sensitive switch installed in the air filter.
Specifically, the vehicle controller detects the state of the air cleaner according to the signal for representing the state of the pressure-sensitive switch installed in the air cleaner, and may be: and the vehicle control unit compares the signal for representing the state of the pressure-sensitive switch installed in the air filter with the state of the pressure-sensitive switch stored in advance when the air filter needs to be maintained, detects more dust or filter screen blockage of the air filter if the comparison result is inconsistent, and detects less dust or filter screen blockage of the air filter if the comparison result is consistent. For example, if the state of a pressure sensitive switch is normally open when the prestored air cleaner needs to be maintained, and if a signal for representing the state of the pressure sensitive switch installed in the air cleaner is a switch closing signal, the state of the air cleaner is detected to be more dust or filter screen blockage.
And S23, judging whether the air filter needs to be maintained or not by the vehicle control unit according to the state of the air filter.
If the state of the air filter is more dust or the filter screen is blocked, it can be judged that the air filter needs to be maintained (e.g., cleaned).
If the state of the air filter is less dust or the filter screen is not blocked, the air filter can be judged not to need maintenance.
In embodiment 3 of the present application, mainly a refinement of the maintenance detection method described in embodiment 1 above, the method may include, but is not limited to, the following steps:
s31, the vehicle control unit receives a signal for representing the state of an oil pressure switch installed in the air compressor.
In this embodiment, the signal related to the state of the air compressor may be, but is not limited to: a signal indicative of a state of an oil pressure switch installed within the air compressor. As shown in fig. 4, an oil pressure switch installed in the air compressor sends a signal indicative of its state to the vehicle control unit.
And S32, detecting the state of the air compressor by the vehicle controller according to the signal for representing the state of the oil pressure switch installed in the air compressor.
Specifically, the detecting the state of the air compressor by the vehicle controller according to the signal for representing the state of the oil pressure switch installed in the air compressor may be: and the vehicle control unit compares the signal for representing the state of the engine oil pressure switch installed in the air compressor with the state of the oil pressure switch when the air compressor needs to be maintained, if the comparison result is inconsistent, the engine oil reduction or lubrication abnormity of the air compressor is detected, and if the comparison result is consistent, the engine oil reduction or lubrication abnormity of the air compressor is detected. For example, if the state of the oil pressure switch is active when the air compressor needs to be maintained, and if the state of the oil pressure switch for indicating that the air compressor is installed is inactive, it is possible to determine that the oil of the air compressor is reduced or the lubrication is abnormal.
And S33, the vehicle control unit judges whether the air compressor needs to be maintained according to the state of the air compressor.
If the state of the air compressor is engine oil reduction or lubrication abnormality, it can be determined that the air compressor needs maintenance (e.g., engine oil addition).
If the state of the air compressor is that the engine oil is not reduced or the lubrication is not abnormal, it can be judged that the air compressor does not need maintenance.
In embodiment 4 of the present application, mainly a refinement of the maintenance detection method described in embodiment 1 above, the method may include, but is not limited to, the following steps:
and S41, the vehicle control unit receives a signal for representing the state of an oil pressure switch arranged in the air compressor and a current signal of a motor connected with the air compressor.
In this embodiment, the signal related to the state of the air compressor may be, but is not limited to: the signal is used for representing the state of an oil pressure switch arranged in the air compressor and the current signal of a motor connected with the air compressor. As shown in fig. 5, an oil pressure switch installed in the air compressor transmits a signal representing a state thereof to the vehicle controller, and the vehicle controller may collect a current signal of a motor connected to the air compressor.
And S42, detecting the state of the monitored auxiliary component by the vehicle controller according to the signal for representing the state of the oil pressure switch arranged in the air compressor and the current signal of the motor connected with the air compressor.
Specifically, the vehicle controller detects the state of the air compressor according to the signal for representing the state of the oil pressure switch installed in the air compressor and the current signal of the motor connected to the air compressor, and may be: the vehicle control unit compares the signal for representing the state of the oil pressure switch installed in the air compressor with the state of the oil pressure switch when the air filter needs to be maintained and compares the signal with the prestored state of the oil pressure switch when the air filter needs to be maintained, and judges the change trend of the current signal of the motor connected with the air compressor; otherwise, it is detected that the oil of the air compressor is not reduced or the lubrication is not abnormal.
And S43, the vehicle control unit judges whether the air compressor needs to be maintained according to the state of the air compressor.
If the state of the air compressor is engine oil reduction or lubrication abnormality, it can be determined that the air compressor needs maintenance (e.g., engine oil addition).
If the state of the air compressor is that the engine oil is not reduced or the lubrication is not abnormal, it can be judged that the air compressor does not need maintenance.
In embodiment 5 of the present application, mainly a refinement of the maintenance detection method described in embodiment 1 above, the method may include, but is not limited to, the following steps:
and S51, the vehicle control unit receives an air pressure signal of an air inlet of the electric control dryer and an air pressure signal of an air outlet of an air storage cylinder related to the electric control dryer.
In this embodiment, the signal related to the status of the electronically controlled dryer may be, but is not limited to: the air pressure signal of the air inlet of the electric control dryer and the air pressure signal of the air outlet of the air storage cylinder related to the electric control dryer. As shown in fig. 6, the electrically controlled dryer sends the air pressure signal P1 of the air inlet to the vehicle control unit, and the air cylinder related to the electrically controlled dryer sends the air pressure signal P2 of the air outlet to the vehicle control unit.
And S52, detecting the state of the electric control dryer by the vehicle control unit according to the air pressure signal of the air inlet of the electric control dryer and the air pressure signal of the air outlet of the air storage cylinder related to the electric control dryer.
Specifically, the vehicle controller detects the state of the electronic control dryer according to the air pressure signal of the air inlet of the electronic control dryer and the air pressure signal of the air outlet of the air reservoir related to the electronic control dryer, and may be: the vehicle control unit subtracts the air pressure value represented by the air pressure signal of the air inlet of the electric control dryer from the air pressure value represented by the air pressure signal of the air outlet of the air storage cylinder related to the electric control dryer to obtain a first pressure difference, compares the first pressure difference with a pre-stored pressure difference threshold value, and detects that the molecular sieve in the electric control dryer is blocked or fails if the first pressure difference exceeds the pre-stored pressure difference threshold value; if the first pressure differential does not exceed the pre-stored pressure differential threshold, it is detected that the molecular sieve in the electronically controlled dryer is not clogged or is not failing.
And S53, the vehicle control unit judges whether the electric control dryer needs to be maintained according to the state of the electric control dryer.
And if the state of the electric control dryer is the molecular sieve blockage or failure, judging that the electric control dryer needs to be maintained.
And if the state of the electronic control dryer is that the molecular sieve is not blocked or fails, judging that the electronic control dryer does not need maintenance.
In embodiment 6 of the present application, mainly an extension of the maintenance detection method described in embodiment 1 above, as shown in fig. 7, a flowchart of another maintenance detection method provided in the present application may include, but is not limited to, the following steps:
step S61, the vehicle control unit receives signals related to the state of the monitored auxiliary component;
step S62, the vehicle control unit detects the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component;
and step S63, the vehicle control unit judges whether the monitored auxiliary component needs to be maintained according to the state of the monitored auxiliary component.
The detailed procedures of steps S61-S63 can be found in the related descriptions of steps S11-S13 in embodiment 1, and are not repeated herein.
And step S64, the vehicle control unit feeds back a result of judging whether the monitored auxiliary component needs to be maintained to a specified device so as to prompt the specified device.
In this embodiment, the designated device may be a meter or a background.
And under the condition that the designated equipment is the instrument, the whole vehicle controller CAN feed back a result of judging whether the monitored auxiliary component needs to be maintained to the instrument through the CAN network.
And under the condition that the designated equipment is the background, the whole vehicle controller can specifically feed back a result of judging whether the monitored auxiliary component needs to be maintained to the background through the wireless network.
Next, a maintenance detection device provided in the present application will be described, and the maintenance detection device described below and the maintenance detection method described above may be referred to in correspondence.
Dimension guarantor detection device, its characterized in that, based on whole car system, whole car system includes: vehicle control unit and at least one monitored auxiliary component, please refer to fig. 8, the maintenance detection device includes: the device comprises a receiving module 11, a detecting module 12 and a judging module 13.
A receiving module 11 for receiving a signal related to the status of the monitored auxiliary component;
a detection module 12, configured to detect a state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component;
and the judging module 13 is configured to judge whether the monitored auxiliary component needs to be maintained according to the state of the monitored auxiliary component.
In this embodiment, the monitored auxiliary component may be: an air cleaner;
accordingly, the signal relating to the state of the monitored auxiliary component is a signal indicative of the state of a pressure sensitive switch mounted within the air cleaner.
In this embodiment, the monitored auxiliary component may be:
an air compressor;
accordingly, the signals relating to the status of the monitored auxiliary component are: a signal indicative of a state of an oil pressure switch installed within the air compressor.
In this embodiment, the monitored auxiliary component may be:
an air compressor;
accordingly, the signals relating to the status of the monitored auxiliary component are: the signal is used for representing the state of an oil pressure switch arranged in the air compressor and the current signal of a motor connected with the air compressor.
In this embodiment, the monitored auxiliary component may be:
accordingly, the dryer is electrically controlled;
the signals relating to the status of the monitored auxiliary component are: the air pressure signal of the air inlet of the electric control dryer and the air pressure signal of the air outlet of the air storage cylinder related to the electric control dryer.
In this embodiment, the maintenance detection apparatus may further include:
and the prompting module is used for feeding back a result of judging whether the monitored auxiliary component needs to be maintained to the specified equipment so as to prompt the specified equipment.
It should be noted that each embodiment is mainly described as a difference from the other embodiments, and the same and similar parts between the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present application.
The method and the device for detecting the maintenance provided by the application are described in detail above, a specific example is applied in the description to explain the principle and the implementation of the application, and the description of the above embodiment is only used to help understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A maintenance detection method is characterized in that based on a whole vehicle system, the whole vehicle system comprises: a vehicle control unit and at least one monitored auxiliary component, the method comprising:
the vehicle control unit receiving a signal related to a status of the monitored auxiliary component;
the vehicle control unit detects the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component;
and the vehicle control unit judges whether the monitored auxiliary component needs to be maintained or not according to the state of the monitored auxiliary component.
2. The method of claim 1, wherein the monitored auxiliary component is: an air cleaner;
the signal relating to the state of the monitored auxiliary component is a signal indicative of the state of a pressure sensitive switch mounted within the air cleaner.
3. The method of claim 1, wherein the monitored auxiliary component is:
an air compressor;
the signals relating to the status of the monitored auxiliary component are: a signal indicative of a state of an oil pressure switch installed within the air compressor.
4. The method of claim 1, wherein the monitored auxiliary component is:
an air compressor;
the signals relating to the status of the monitored auxiliary component are: the signal is used for representing the state of an oil pressure switch arranged in the air compressor and the current signal of a motor connected with the air compressor.
5. The method of claim 1, wherein the monitored auxiliary component is:
an electrically controlled dryer;
the signals relating to the status of the monitored auxiliary component are: the air pressure signal of the air inlet of the electric control dryer and the air pressure signal of the air outlet of the air storage cylinder related to the electric control dryer.
6. The method of claim 1, further comprising:
and the vehicle control unit feeds back a result of judging whether the monitored auxiliary component needs to be maintained to the specified equipment so as to prompt the specified equipment.
7. The utility model provides a dimension guarantor detection device which characterized in that, based on whole car system, whole car system includes: vehicle control unit and at least one monitored auxiliary component, the apparatus comprising:
a receiving module for receiving a signal relating to the status of the monitored auxiliary component;
a detection module for detecting the state of the monitored auxiliary component according to the signal related to the state of the monitored auxiliary component;
and the judging module is used for judging whether the monitored auxiliary component needs to be maintained or not according to the state of the monitored auxiliary component.
8. The apparatus of claim 7, wherein the monitored auxiliary component is: an air cleaner;
the signal relating to the state of the monitored auxiliary component is a signal indicative of the state of a pressure sensitive switch mounted within the air cleaner.
9. The apparatus of claim 7, wherein the monitored auxiliary component is:
an air compressor;
the signals relating to the status of the monitored auxiliary component are: a signal indicative of a state of an oil pressure switch installed within the air compressor.
10. The apparatus of claim 7, wherein the monitored auxiliary component is:
an electrically controlled dryer;
the signals relating to the status of the monitored auxiliary component are: the air pressure signal of the air inlet of the electric control dryer and the air pressure signal of the air outlet of the air storage cylinder related to the electric control dryer.
CN201911273694.5A 2019-12-12 2019-12-12 Maintenance detection method and device Pending CN112985784A (en)

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CN207513809U (en) * 2017-08-18 2018-06-19 瑞立集团瑞安汽车零部件有限公司 A kind of electric compressor electric current and oil-pressure monitoring device
CN109141941A (en) * 2018-08-16 2019-01-04 杭州容大智造科技有限公司 A kind of device and method using current detecting wheel steering system
CN209037557U (en) * 2018-11-07 2019-06-28 厦门慧眼科技有限公司 A kind of car gas circuit drier failure monitor device
CN109782095A (en) * 2019-02-15 2019-05-21 中车青岛四方机车车辆股份有限公司 A kind of failure diagnosis apparatus and system
CN109772039A (en) * 2019-03-15 2019-05-21 江西五十铃汽车有限公司 Air cleaner cartridge replaces intelligent prompt system

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