CN113655405A - Aircraft cable net core point conduction detection device and method - Google Patents
Aircraft cable net core point conduction detection device and method Download PDFInfo
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Abstract
The invention discloses a device and a method for detecting the connection of a cable mesh core point of an aircraft. The device includes: the comprehensive processing unit is connected with the N detection units and used for receiving the detection instructions and sending the detection instructions to the N detection units; the N detection units are respectively connected with the N electric connectors in the cable network in a one-to-one correspondence mode and used for configuring the core points in the electric connectors indicated by the detection instructions into switching value output states and configuring the other core points except the core points in the indicated electric connectors and all the core points corresponding to other electric connectors into switching value input states according to the detection instructions, and acquiring the switching value input states of the other core points except the core points in the indicated electric connectors and the switching value input states of all the core points corresponding to other electric connectors so as to detect the core point connection states in the indicated electric connectors. Therefore, reverse verification of the forward design of the aircraft cable network can be achieved, and the correctness of the forward design of the cable network is guaranteed.
Description
Technical Field
The invention relates to the technical field of aircraft electrical systems, in particular to an aircraft cable network core point conduction detection device and method.
Background
Various information processing devices, sensor devices, execution devices and the like are distributed in an aircraft system, each device bears certain functions, communication among the devices is achieved through an aircraft cable network, and due to the fact that the aircraft is provided with a plurality of devices for information sensing, information processing, flight positioning and the like, the devices need to communicate with one another, and a complex cable network is formed.
The complex cable network development process firstly determines definition of core points of electric connectors of all devices in an aircraft, then determines communication relation between the devices and a cable detail wiring table, and completes cable network design according to the wiring table. And after the cable network is produced, the correctness of the conduction of the cable network is also checked according to the cable detail wiring table, namely the forward design and the forward verification of the cable network. However, if there is a misconnection between some core points, it is difficult to detect this phenomenon in the forward verification.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a device and a method for detecting the connection of a cable core point of an aircraft, and can solve the problems in the prior art.
The technical solution of the invention is as follows: an aircraft cable mesh point continuity testing device, wherein the device comprises:
the comprehensive processing unit is connected with the N detection units and used for receiving the detection instructions and sending the received detection instructions to the N detection units;
the N detection units are respectively connected with the N electric connectors in the cable network in a one-to-one correspondence mode and used for configuring the core points in the electric connectors indicated by the detection instructions into switching value output states and configuring the other core points except the core points in the indicated electric connectors and all the core points corresponding to other electric connectors into switching value input states according to the detection instructions, and acquiring the switching value input states of the other core points except the core points in the indicated electric connectors and the switching value input states of all the core points corresponding to other electric connectors so as to detect the core point connection states in the indicated electric connectors.
Preferably, configuring the core points in the electrical connector indicated by the detection instruction to the switching value output state according to the detection instruction includes configuring the core points in the electrical connector indicated by the detection instruction to output a high level.
Preferably, the acquiring the switching value input states of the core points other than the indicated core point in the electrical connector and the switching value input states of all the core points corresponding to the other electrical connectors to detect the core point connection state in the indicated electrical connector includes:
when the high-level input is acquired, the indicated detection result of the core point connection state in the electric connector is communicated with the core point of which the switching value input state is the high-level input.
Preferably, the N detection units are further configured to report the detection result to the integrated processing unit.
Preferably, the device further comprises a human-computer interaction unit connected with the comprehensive processing unit and used for sending the detection instruction to the comprehensive processing unit, receiving the detection result from the comprehensive processing unit and displaying the detection result.
The invention also provides an aircraft cable mesh core point conduction detection method, wherein the method comprises the following steps:
the comprehensive processing unit receives the detection instruction and sends the received detection instruction to the N detection units, and the N detection units are respectively connected with the N electric connectors in the cable network in a one-to-one correspondence manner;
the N detection units configure the core points in the electric connector indicated by the detection instruction into a switching value output state and configure other core points except the core points in the indicated electric connector and all the core points corresponding to other electric connectors into a switching value input state according to the detection instruction, and collect the switching value input states of the other core points except the core points in the indicated electric connector and the switching value input states of all the core points corresponding to other electric connectors so as to detect the core point connection state in the indicated electric connector.
Preferably, configuring the core points in the electrical connector indicated by the detection instruction to the switching value output state according to the detection instruction includes configuring the core points in the electrical connector indicated by the detection instruction to output a high level.
Preferably, the acquiring the switching value input states of the core points other than the indicated core point in the electrical connector and the switching value input states of all the core points corresponding to the other electrical connectors to detect the core point connection state in the indicated electrical connector includes:
when the high-level input is acquired, the indicated detection result of the core point connection state in the electric connector is communicated with the core point of which the switching value input state is the high-level input.
Preferably, the method further comprises: and the N detection units report the detection results to the comprehensive processing unit.
Preferably, the method further comprises: the man-machine interaction unit sends a detection instruction to the comprehensive processing unit, receives a detection result from the comprehensive processing unit and displays the detection result.
Through the technical scheme, the detection unit can be arranged for each electric connector in the cable network, the on-off state of each electric connector core point of the cable network is collected and processed through the distributed detection units, the measurement of the conduction relation of each connector core point of the complex cable network of the aircraft is realized, the reverse verification of the forward design of the cable network of the aircraft is used, and the correctness of the forward design of the cable network is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a block diagram of an aircraft cable network core point conduction detection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of an aircraft cable network in an embodiment of the invention;
fig. 3 is a block diagram of another aircraft cable network core point continuity testing apparatus according to an embodiment of the present invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, for purposes of explanation and not limitation, specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the device structures and/or processing steps that are closely related to the scheme according to the present invention are shown in the drawings, and other details that are not so relevant to the present invention are omitted.
Fig. 1 is a block diagram of an aircraft cable core point conduction detection apparatus according to an embodiment of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an aircraft cable mesh point conduction detection apparatus, where the apparatus includes:
the comprehensive processing unit MCU _ C is connected with the N detection units (MCU1, MCU2, MCU3, MCU4, MCU5 … …, MCU N-1 and MCU N) and is used for receiving detection instructions and sending the received detection instructions to the N detection units;
and the N detection units are respectively connected with the N electric connectors (X1, X2, X3, X4, X5 … … X N-1 and XN, shown in figure 2) in the cable network in a one-to-one correspondence manner, and are used for configuring the core points in the electric connectors indicated by the detection instructions into switching value output states according to the detection instructions, configuring the rest core points except the core points in the indicated electric connectors and all the core points corresponding to other electric connectors into switching value input states respectively, and acquiring the switching value input states of the rest core points except the core points in the indicated electric connectors and the switching value input states of all the core points corresponding to other electric connectors respectively so as to detect the core point connection states in the indicated electric connectors.
Wherein, the detection unit may be a microprocessor unit (MCU).
That is, in the cable network, one electric connector is connected to one test unit correspondingly, for example, as shown in fig. 1, the electric connector X1 is connected to the test unit MCU1, the electric connector X2 is connected to the test unit MCU2, the electric connector XN is connected to the test unit MCUN, and so on. The N groups of modules have the same functional features, such as the electrical connector X1 connected to the detection unit MCU1, the electrical connector X2 connected to the detection unit MCU2, and the electrical connector XN connected to the detection unit MCUN.
Where the Mth core point of electrical connector XN in the cable network may be represented as XN: M, e.g., X3:68 represents the 68 th core point of electrical connector X3.
Through the technical scheme, the detection unit can be arranged for each electric connector in the cable network, the on-off state of each electric connector core point of the cable network is collected and processed through the distributed detection units, the measurement of the conduction relation of each connector core point of the complex cable network of the aircraft is realized, the reverse verification of the forward design of the cable network of the aircraft is used, and the correctness of the forward design of the cable network is ensured.
According to one embodiment of the present invention, configuring the core points in the electrical connector indicated by the detection instruction to the switching value output state according to the detection instruction includes configuring the core points in the electrical connector indicated by the detection instruction to output a high level.
The detection instruction comprises the identifier of the electric connector, so that the corresponding electric connector can be configured correspondingly according to the identifier in the detection instruction.
According to an embodiment of the present invention, the collecting the input states of the switching values of the core points other than the indicated core point in the electrical connector and the input states of the switching values of all the core points corresponding to the other electrical connectors to detect the connection states of the core points in the indicated electrical connector includes:
when the high-level input is acquired, the indicated detection result of the core point connection state in the electric connector is communicated with the core point of which the switching value input state is the high-level input.
For example, for a cable network with N electrical connectors, one MCU may be configured for each electrical connector (N total MCUs). According to the detection command, a certain core point (for example: X1:1, which indicates the core point 1 of the electrical connector X1) of a certain electrical connector can be led in a high level (namely, configured to output a high level) through the MCU correspondingly connected with the electrical connector, the switching value states of the rest core points of the electrical connector and all the core points of other electrical connectors are collected by N MCUs, when the certain core point (for example: X2:16) collected by the certain electrical connector is in the high level, the conduction between the X1:1 and the X2:16 is represented, and meanwhile, whether the core point (X1:1) is conducted with other core points or not can also be detected. And sequentially detecting all core points of all the electric connectors in the same type, so that the core point conduction relation of the whole cable network can be detected.
According to an embodiment of the present invention, the N detection units are further configured to report the detection result to the integrated processing unit.
For example, the N detection units communicate with the integrated processing unit through communication methods such as a CAN bus and RS 485.
According to an embodiment of the invention, the device further comprises a human-computer interaction unit connected with the comprehensive processing unit and used for sending the detection instruction to the comprehensive processing unit, receiving the detection result from the comprehensive processing unit and displaying the detection result.
As shown in fig. 3, the connection of the electrical connector XN in the cable network to the detecting unit MCUN may be that the electrical connector XN in the cable network is connected to the electrical connector YN of the detecting unit MCUN. That is, the electrical connectors in the cable network are respectively mated with the electrical connectors of the detection unit by number, that is, the electrical connector X1 in the cable network is connected with the electrical connector Y1 of the detection unit, and the electrical connector XN in the cable network is connected with the electrical connector YN of the detection unit.
The embodiment of the invention also provides an aircraft cable network core point conduction detection method, wherein the method comprises the following steps:
the comprehensive processing unit receives the detection instruction and sends the received detection instruction to the N detection units, and the N detection units are respectively connected with the N electric connectors in the cable network in a one-to-one correspondence manner;
the N detection units configure the core points in the electric connector indicated by the detection instruction into a switching value output state and configure other core points except the core points in the indicated electric connector and all the core points corresponding to other electric connectors into a switching value input state according to the detection instruction, and collect the switching value input states of the other core points except the core points in the indicated electric connector and the switching value input states of all the core points corresponding to other electric connectors so as to detect the core point connection state in the indicated electric connector.
Through the technical scheme, the detection unit can be arranged for each electric connector in the cable network, the on-off state of each electric connector core point of the cable network is collected and processed through the distributed detection units, the measurement of the conduction relation of each connector core point of the complex cable network of the aircraft is realized, the reverse verification of the forward design of the cable network of the aircraft is used, and the correctness of the forward design of the cable network is ensured.
According to one embodiment of the present invention, configuring the core points in the electrical connector indicated by the detection instruction to the switching value output state according to the detection instruction includes configuring the core points in the electrical connector indicated by the detection instruction to output a high level.
According to an embodiment of the present invention, the collecting the input states of the switching values of the core points other than the indicated core point in the electrical connector and the input states of the switching values of all the core points corresponding to the other electrical connectors to detect the connection states of the core points in the indicated electrical connector includes:
when the high-level input is acquired, the indicated detection result of the core point connection state in the electric connector is communicated with the core point of which the switching value input state is the high-level input.
According to an embodiment of the invention, the method further comprises: and the N detection units report the detection results to the comprehensive processing unit.
According to an embodiment of the invention, the method further comprises: the man-machine interaction unit sends a detection instruction to the comprehensive processing unit, receives a detection result from the comprehensive processing unit and displays the detection result.
The method described above corresponds to the apparatus described in fig. 1, and for specific example description, reference may be made to the description of the apparatus described in fig. 1, which is not described herein again.
The detection device and method of the present invention are described below with reference to examples.
In this example, the continuity of the core point 1(X1:1) of the electrical connector X1 is detected. The detecting unit MCU1 configures a core point X1:1 as a switching value output state, the detecting unit MCU1 configures the other core points of the electric connector X1 as a switching value input state, the detecting unit MCU2 configures all the core points of the electric connector X2 as a switching value input state, similarly, the detecting unit MCU3 configures all the core points of the electric connector X3 as a switching value input state, … …, the detecting unit MCUN configures all the core points of the electric connector XN as a switching value input state, namely, the core point X1:1 in the cable network is configured as a switching value output state, and the other core points in the cable network are configured as a switching value input state. More specifically, the configuration core point X1:1 outputs a high level, and the detection units MCU1 to MCUN collect the input states of the switching values of the remaining core points. When the detection units MCU 1-MCU N collect high level input (for example, MCU5 collects core point X5:28 as high level), it indicates that the core point X1:1 is connected with other core points on the cable network (for example, X1:1 is communicated with X5: 28. the detection units MCU 1-MCU N feed back conduction results (detection results) to the comprehensive processing unit MCU _ C, and the MCU _ C sends the conduction results to the human-computer interaction unit, thus completing detection of conduction of the core point X1: 1.
The conduction detection method of the remaining core points is the same as that of the core point X1:1, and will not be described herein. The configuration operations of the detection units MCU 1-MCUN are performed according to the detection instruction output by the MCU _ C integrated processing unit.
It can be seen from the above embodiments that the aircraft cable network core point conduction detection device and the detection method according to the above embodiments of the present invention can perform reverse detection verification on a cable network designed in a forward direction, thereby improving the accuracy and reliability of the aircraft cable network design. The method is high in detection speed, and has great application value in detecting the conduction of the network core points of the complex cables produced in batches.
Features that are described and/or illustrated above with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments and/or in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps, components or groups thereof.
The above devices and methods of the present invention can be implemented by hardware, or can be implemented by hardware and software. The present invention relates to a computer-readable program which, when executed by a logic section, enables the logic section to realize the above-described apparatus or constituent section, or to realize the above-described various methods or steps. The present invention also relates to a storage medium such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like, for storing the above program.
The many features and advantages of these embodiments are apparent from the detailed specification, and thus, it is intended by the appended claims to cover all such features and advantages of these embodiments which fall within the true spirit and scope thereof. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the embodiments of the invention to the exact construction and operation illustrated and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope thereof.
The invention has not been described in detail and is in part known to those of skill in the art.
Claims (10)
1. An aircraft cable mesh point conduction detection device, the device comprising:
the comprehensive processing unit is connected with the N detection units and used for receiving the detection instructions and sending the received detection instructions to the N detection units;
the N detection units are respectively connected with the N electric connectors in the cable network in a one-to-one correspondence mode and used for configuring the core points in the electric connectors indicated by the detection instructions into switching value output states and configuring the other core points except the core points in the indicated electric connectors and all the core points corresponding to other electric connectors into switching value input states according to the detection instructions, and acquiring the switching value input states of the other core points except the core points in the indicated electric connectors and the switching value input states of all the core points corresponding to other electric connectors so as to detect the core point connection states in the indicated electric connectors.
2. The apparatus of claim 1, wherein configuring the core points in the electrical connector indicated by the detection command to the switching value output state according to the detection command comprises configuring the core points in the electrical connector indicated by the detection command to output a high level.
3. The apparatus of claim 2, wherein collecting the input states of the switching values of the core points other than the indicated core point in the electrical connector and the input states of the switching values of all the core points corresponding to the other electrical connectors to detect the connection states of the core points in the indicated electrical connector comprises:
when the high-level input is acquired, the indicated detection result of the core point connection state in the electric connector is communicated with the core point of which the switching value input state is the high-level input.
4. The apparatus of claim 3, wherein the N detection units are further configured to report the detection results to the GPU.
5. The device of claim 4, further comprising a human-computer interaction unit connected to the integrated processing unit for sending the detection instruction to the integrated processing unit and receiving the detection result from the integrated processing unit, and displaying the detection result.
6. An aircraft cable mesh point conduction detection method is characterized by comprising the following steps:
the comprehensive processing unit receives the detection instruction and sends the received detection instruction to the N detection units, and the N detection units are respectively connected with the N electric connectors in the cable network in a one-to-one correspondence manner;
the N detection units configure the core points in the electric connector indicated by the detection instruction into a switching value output state and configure other core points except the core points in the indicated electric connector and all the core points corresponding to other electric connectors into a switching value input state according to the detection instruction, and collect the switching value input states of the other core points except the core points in the indicated electric connector and the switching value input states of all the core points corresponding to other electric connectors so as to detect the core point connection state in the indicated electric connector.
7. The method of claim 6, wherein configuring the core points in the electrical connector indicated by the detection command to the switching value output state according to the detection command comprises configuring the core points in the electrical connector indicated by the detection command to output a high level.
8. The method of claim 7, wherein collecting the switching value input states of the core points other than the indicated core point in the electrical connector and the switching value input states of all the core points corresponding to the other electrical connectors to detect the core point connection state in the indicated electrical connector comprises:
when the high-level input is acquired, the indicated detection result of the core point connection state in the electric connector is communicated with the core point of which the switching value input state is the high-level input.
9. The method of claim 8, further comprising: and the N detection units report the detection results to the comprehensive processing unit.
10. The method of claim 9, further comprising: the man-machine interaction unit sends a detection instruction to the comprehensive processing unit, receives a detection result from the comprehensive processing unit and displays the detection result.
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| CN202110773859.6A CN113655405A (en) | 2021-07-08 | 2021-07-08 | Aircraft cable net core point conduction detection device and method |
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| CN106154094A (en) * | 2015-03-30 | 2016-11-23 | 北京航天计量测试技术研究所 | A kind of method utilizing cable system tester to carry out cable system self study test |
| CN112067919A (en) * | 2020-07-28 | 2020-12-11 | 北京机电工程研究所 | Automatic cable type identification device and automatic test method |
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2021
- 2021-07-08 CN CN202110773859.6A patent/CN113655405A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104569734A (en) * | 2013-10-12 | 2015-04-29 | 北京航天计量测试技术研究所 | Fault diagnosis method for redundant lines of cable system |
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