CN215904744U - Bluetooth communication device for aircraft landing gear health management system and aircraft - Google Patents
Bluetooth communication device for aircraft landing gear health management system and aircraft Download PDFInfo
- Publication number
- CN215904744U CN215904744U CN202121526453.XU CN202121526453U CN215904744U CN 215904744 U CN215904744 U CN 215904744U CN 202121526453 U CN202121526453 U CN 202121526453U CN 215904744 U CN215904744 U CN 215904744U
- Authority
- CN
- China
- Prior art keywords
- bluetooth communication
- aircraft
- landing gear
- communication device
- communication module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 77
- 230000036541 health Effects 0.000 title claims abstract description 23
- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a Bluetooth communication device for an aircraft landing gear health management system and an aircraft. This bluetooth communication device includes: the Bluetooth communication module is in communication connection with the undercarriage pressure sensor so as to acquire pressure data measured by the undercarriage pressure sensor; the micro-control unit is in communication connection with the Bluetooth communication module to receive the pressure data from the Bluetooth communication module, and is also electrically connected to the onboard maintenance system through the onboard bus so as to send the processed pressure data to the onboard maintenance system; and the power supply module is connected to an airborne power supply system of the airplane, the Bluetooth communication module and the micro control unit through leads so as to supply power to the Bluetooth communication module and the micro control unit. According to the Bluetooth communication device for the aircraft landing gear health management system and the aircraft, the number and the length of cables can be reduced, so that the overall weight of the aircraft is reduced, and the cable layout on the aircraft is simplified.
Description
Technical Field
The utility model relates to an aircraft landing gear, in particular to a landing gear health management system of an aircraft, and particularly relates to a Bluetooth communication device for the landing gear health management system of the aircraft and the aircraft comprising the Bluetooth communication device.
Background
The on-board maintenance system of an aircraft generally requires the operating state of a healthy landing gear in order to ensure the safety of the take-off and landing of the aircraft. For this purpose, the prior art is equipped with a health management system for the aircraft landing gear, which determines, by monitoring parameters related to the operating state of the landing gear, in cooperation with sensors arranged at the relevant positions of the landing gear, whether the aircraft landing gear is in an operating state in which it is able to operate properly or to operate well.
However, in the related solutions provided in the prior art, more in the aircraft, the on-board landing gear health management system and the related sensors are connected by hard wires, and the sensors are directly connected with the on-board avionics system. Thus, for example, in situations where the aircraft is on the ground, the landing gear will typically be lowered and maintained in an extended position outside the nacelle, where sensors such as pressure sensors are located a relatively large distance from hardware devices such as processors of the on-board system, resulting in a relatively long cable having to be used to make a hard-wired connection between the landing gear health management system and the sensors.
The relatively large number of relatively long connecting cables inevitably leads to an increase in the overall weight of the aircraft, while also making the cable layout on board the aircraft more complex.
Accordingly, there is a need to provide a new signaling solution for an aircraft landing gear health management system that at least partially alleviates or solves the above-mentioned problems and deficiencies with existing solutions.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel Bluetooth communication device for an aircraft undercarriage health management system and an aircraft, aiming at overcoming the defects that the existing aircraft undercarriage health management system needs to adopt more and longer cables to realize the hard-wire connection between the undercarriage health management system and a sensor, so that the overall weight of the aircraft is increased and the wiring is more complicated.
The utility model solves the technical problems through the following technical scheme:
the utility model provides a bluetooth communication device for an aircraft landing gear health management system, wherein the aircraft comprises an onboard maintenance system and is provided with a plurality of landing gear pressure sensors, and the landing gear pressure sensors are constructed to be capable of measuring pressure data associated with the aircraft landing gear, and the bluetooth communication device is characterized by comprising:
the Bluetooth communication module is in communication connection with the undercarriage pressure sensor so as to acquire pressure data measured by the undercarriage pressure sensor;
a microcontroller unit in communication with the Bluetooth communication module to receive pressure data from the Bluetooth communication module, the microcontroller unit further electrically connected to the onboard maintenance system via an onboard bus to send the processed pressure data to the onboard maintenance system;
the power module is connected to an airborne power system of the airplane, the Bluetooth communication module and the micro control unit through wires so as to supply power to the Bluetooth communication module and the micro control unit.
According to some embodiments of the present invention, the bluetooth communication device further comprises a circuit mounting plate, the circuit mounting plate is provided with a plurality of fastening holes, the circuit mounting plate is fixedly mounted to a fixing member of the landing gear of the aircraft through the fastening holes and fastening members, and the bluetooth communication module, the micro control unit and the power module are fixedly mounted on the circuit mounting plate.
According to some embodiments of the utility model, the circuit mounting plate is fixedly mounted to a bumper strut of the aircraft landing gear.
According to some embodiments of the utility model, the circuit mounting board is fixedly mounted to an upper portion of the buffer strut.
According to some embodiments of the present invention, the bluetooth communication device further comprises an overload protection circuit laid on the circuit mounting board, the overload protection circuit being electrically connected to the power supply module, the bluetooth communication module and the micro control unit.
According to some embodiments of the present invention, the overload protection circuit, the power module, the bluetooth communication module, and the micro control unit are fixedly disposed on a first surface of the circuit mounting board, and the circuit mounting board is fixedly mounted in such a manner that a second surface is attached to an outer surface of an upper portion of the buffer post, the first surface and the second surface being opposite to each other.
According to some embodiments of the present invention, the circuit mounting board has a circular shape, and the plurality of fastening holes are uniformly arranged near a circumferential edge of the circuit mounting board.
The utility model also provides an airplane which comprises the Bluetooth communication device.
According to some embodiments of the utility model, the plurality of landing gear pressure sensors onboard the aircraft includes a landing gear bumper pressure sensor, a landing gear locator pressure sensor, and a landing gear tire pressure sensor.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the utility model.
The positive progress effects of the utility model are as follows:
according to the Bluetooth communication device for the aircraft landing gear health management system and the aircraft, the number and the length of cables required to be arranged on the aircraft by the landing gear health management system can be reduced, so that the overall weight of the aircraft is reduced as much as possible, the cable layout on the aircraft is simplified, and the aircraft is ensured to have better electromagnetic compatibility.
Drawings
Fig. 1 is a signal transmission schematic diagram of a bluetooth communication device for an aircraft landing gear health management system according to a preferred embodiment of the utility model.
Fig. 2 is a schematic diagram of one hardware arrangement of a bluetooth communication device for an aircraft landing gear health management system according to a preferred embodiment of the present invention.
Description of the reference numerals
1: circuit mounting board
11: screw nail
12: screw hole
2: electrically overlapping the preformed holes
3: micro control unit
4: bluetooth communication module
5: power supply module
6: overload protection circuit
7: conductive cable
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, is intended to be illustrative, and not restrictive, and it is intended that all such modifications and equivalents be included within the scope of the present invention.
In the following detailed description, directional terms, such as "left", "right", "upper", "lower", "front", "rear", and the like, are used with reference to the orientation as illustrated in the drawings. Components of embodiments of the present invention can be positioned in a number of different orientations and the directional terminology is used for purposes of illustration and is in no way limiting.
A bluetooth communication device in accordance with a preferred embodiment of the present invention is for use in an aircraft landing gear health management system, wherein an aircraft is loaded with a plurality of landing gear pressure sensors configured to be able to measure pressure data associated with the aircraft landing gear.
In the present embodiment, as shown in fig. 1, the plurality of landing gear pressure sensors are illustrated by taking a landing gear bumper pressure sensor, a landing gear locator pressure sensor, and a landing gear tire pressure sensor as examples, but it should be understood that other sensors for monitoring sensed data or parameters related to the operating/health status of the landing gear are possible and the bluetooth communication device of the present invention is equally applicable. For ease of illustration, the landing gear pressure sensors are hereinafter referred to as landing gear bumper pressure sensors, landing gear locator pressure sensors, and landing gear tire pressure sensors.
As shown in fig. 1 and 2, the bluetooth communication apparatus of the present embodiment includes a bluetooth communication module 4, a micro control unit 3 (also referred to as MCU) and a power supply module 5. Wherein, bluetooth communication module 4 and undercarriage pressure sensor communication connection to acquire the pressure data that are surveyed by undercarriage pressure sensor. The micro control unit 3 is in communication connection with the bluetooth communication module 4 to receive pressure data from the bluetooth communication module 4, and the micro control unit 3 is also electrically connected to the onboard maintenance system via the onboard bus to send processed pressure data to the onboard maintenance system. The power module 5 is connected to the onboard power system of the aircraft, the bluetooth communication module 4 and the mcu 3 through wires, so as to supply power to the bluetooth communication module 4 and the mcu 3.
As shown in fig. 1, the mcu 3 may be divided into a network security module and a processing module from the functional point of view, and each of the network security module and the processing module may be respectively understood to be responsible for a part of the functions performed by the mcu 3. The network security module may be used to encrypt/decrypt the sensor signals, and the processing module may perform analog-to-digital conversion processing to transmit the signals to an onboard maintenance system, such as a landing gear health management system, via a bus.
As shown in fig. 2, according to some preferred embodiments of the present invention, the bluetooth communication device further includes a circuit mounting board 1, a plurality of screw holes 12 are formed on the circuit mounting board 1, the circuit mounting board 1 is fixedly mounted on a fixing member of the landing gear of the aircraft through the plurality of screw holes 12 and screws 11, and the bluetooth communication module 4, the micro control unit 3 and the power module 5 are fixedly mounted on the circuit mounting board 1. It will be appreciated that the circuit mounting board 1 in the example shown in fig. 2 is circular, which may be advantageous for saving space, and that four screw holes 12 are symmetrically arranged to achieve a more secure mounting, but other shapes and arrangements of the screw holes 12 are possible.
It will be appreciated that although the embodiment has been described in which the circuit-mounting board 1 is fixedly mounted to a fixed member of an aircraft landing gear by means of a plurality of threaded holes 12 and screws 11, it is also possible to use other types of fasteners and corresponding openings.
Further preferably, the overload protection circuit 6, the power module 5, the bluetooth communication module 4, and the micro control unit 3 are fixedly disposed on a first surface of the circuit mounting board 1, and the circuit mounting board 1 is fixedly mounted in such a manner that a second surface is attached to an outer surface of the upper portion of the buffer post, the first surface being opposite to the second surface.
Wherein, according to some more specific embodiments of the present invention, the circuit mounting board 1 is circular in shape, and the plurality of screw holes 12 are uniformly arranged in the vicinity of the circumferential edge of the circuit mounting board 1. And, optionally, the bluetooth communication module 4 may specifically adopt a bluetooth chip such as BLE5.0 model.
Further preferably, the circuit-mounting board 1 is fixedly mounted to a buffer strut (not shown in the drawings) of the aircraft landing gear, and may further more particularly be fixedly mounted to an upper portion of the buffer strut.
According to the preferred embodiment, the bluetooth communication device is integrally mounted and fixed on the landing gear buffer strut, so that all the used electric components can be integrated on the same circuit mounting plate 1. Thus, a solution for signal transmission between the sensor and the onboard avionics system is provided, reducing the use of sensor connection wires in the aircraft, minimizing the occupied space and weight, and facilitating replacement and maintenance.
Moreover, based on the solution of the above embodiment, the whole bluetooth communication device has the advantages of small volume, light weight, simple mounting and dismounting manner and easy operation. On the other hand, compared with a wireless transmission mode of some existing solutions, the Bluetooth communication device serving as a signal transfer module can remarkably reduce the RF signal transmitting power of communication transmission signals, reduce interference on other airborne equipment of the airplane and improve the electromagnetic compatibility of the airplane.
According to some preferred embodiments of the present invention, the circuit mounting board 1 may further have an electrical lap joint prepared hole 2 for electrical lap joint of the electrical component, which allows for electrical lap joint test.
According to some preferred embodiments of the present invention, the bluetooth communication device further comprises an overload protection circuit 6 laid on the circuit mounting board 1, wherein the overload protection circuit 6 is electrically connected to the power module 5, the bluetooth communication module 4 and the micro control unit 3. The overload protection circuit 6 may include, for example, a capacitor element and a resistor element to form a circuit portion with a simple circuit structure, so as to reduce the occupied area and cost of the overload protection circuit 6 as much as possible while avoiding normal and reliable operation of each module and circuit in the bluetooth communication apparatus.
On the basis of the above preferred embodiment of the present invention, it is understood that the connection between the electrical components, the respective modules, the onboard power system and the onboard maintenance system described above may be wired, and in particular, the electrical components and modules included in the bluetooth communication device may be electrically connected to the onboard power system and the onboard maintenance system via the conductive cable 7 as shown in fig. 1-2. The electrically conductive cable 7 shown in fig. 2 may be, for example, a cable connecting an onboard power system and the power module 5. It will be appreciated that since the bluetooth communicator is located relatively close to the onboard system, the required length of the conductive cable 7 will be significantly reduced, thereby reducing the cable weight.
According to the Bluetooth communication device for the aircraft landing gear health management system in the preferred embodiment of the utility model, the number and the length of cables required to be arranged on the aircraft by the landing gear health management system can be obviously reduced, the overall weight of the aircraft is reduced, and the cable layout on the aircraft is simplified.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.
Claims (9)
1. A bluetooth communication device for an aircraft landing gear health management system, the aircraft including an onboard maintenance system and carrying a plurality of landing gear pressure sensors configured to measure pressure data associated with the aircraft landing gear, the bluetooth communication device comprising:
the Bluetooth communication module is in communication connection with the undercarriage pressure sensor so as to acquire pressure data measured by the undercarriage pressure sensor;
a microcontroller unit in communication with the Bluetooth communication module to receive pressure data from the Bluetooth communication module, the microcontroller unit further electrically connected to the onboard maintenance system via an onboard bus to send the processed pressure data to the onboard maintenance system;
the power module is connected to an airborne power system of the airplane, the Bluetooth communication module and the micro control unit through wires so as to supply power to the Bluetooth communication module and the micro control unit.
2. The bluetooth communication device according to claim 1, further comprising a circuit mounting plate having a plurality of fastening holes formed therein, wherein the circuit mounting plate is fixedly mounted to a fixed member of the landing gear of the aircraft through the plurality of fastening holes and fastening members, and wherein the bluetooth communication module, the micro control unit, and the power module are fixedly mounted on the circuit mounting plate.
3. The bluetooth communication device according to claim 2, wherein the circuit mounting plate is fixedly mounted to a bumper strut of the aircraft landing gear.
4. The bluetooth communication device according to claim 3, wherein the circuit mounting plate is fixedly mounted to an upper portion of the buffer post.
5. The bluetooth communication device according to claim 4, further comprising an overload protection circuit laid on the circuit mounting board, the overload protection circuit being electrically connected to the power supply module, the bluetooth communication module, and the micro control unit.
6. The bluetooth communication apparatus according to claim 5, wherein the overload protection circuit, the power module, the bluetooth communication module, and the mcu are fixedly disposed on a first surface of the circuit mounting board, and the circuit mounting board is fixedly mounted with a second surface attached to an outer surface of an upper portion of the buffer post, the first surface and the second surface being opposite to each other.
7. The bluetooth communication device according to claim 2, wherein the circuit mounting board has a circular shape, and the plurality of fastening holes are uniformly arranged near a circumferential edge of the circuit mounting board.
8. An aircraft, characterized in that the aircraft comprises a bluetooth communication device according to any one of claims 1-7.
9. The aircraft of claim 8, wherein the plurality of landing gear pressure sensors onboard the aircraft include a landing gear bumper pressure sensor, a landing gear locator pressure sensor, and a landing gear tire pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121526453.XU CN215904744U (en) | 2021-07-06 | 2021-07-06 | Bluetooth communication device for aircraft landing gear health management system and aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121526453.XU CN215904744U (en) | 2021-07-06 | 2021-07-06 | Bluetooth communication device for aircraft landing gear health management system and aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215904744U true CN215904744U (en) | 2022-02-25 |
Family
ID=80289304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121526453.XU Active CN215904744U (en) | 2021-07-06 | 2021-07-06 | Bluetooth communication device for aircraft landing gear health management system and aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215904744U (en) |
-
2021
- 2021-07-06 CN CN202121526453.XU patent/CN215904744U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108981826A (en) | Three shaft vibrations and temperature monitoring sensor | |
| CN111169389A (en) | Multi-sensor fusion intelligent integrated vehicle and debugging method thereof | |
| CN211943155U (en) | Multi-sensor fusion intelligent integrated vehicle | |
| CN109029954A (en) | A kind of loosened screw warning device and system | |
| CN208125861U (en) | Switchgear monitoring device and system | |
| CN215904744U (en) | Bluetooth communication device for aircraft landing gear health management system and aircraft | |
| AU2019200224B2 (en) | A cable head for a ring main unit and a ring main unit | |
| CN110307917A (en) | A kind of Distributed Measurement System and measurement method for thermal environment | |
| CN109552662B (en) | Cable grounding layout method for unmanned helicopter | |
| CN112067152B (en) | GIS external temperature measuring equipment | |
| CN209085658U (en) | Three shaft vibrations and temperature monitoring sensor | |
| CN106527404A (en) | OBD apparatus | |
| CN219105026U (en) | High-voltage detection sensor | |
| CN207832235U (en) | A kind of power transmission and transforming equipment intelligent monitor system | |
| CN216746787U (en) | Multifunctional tester | |
| CN215341389U (en) | Machine carries bluetooth to UART equipment | |
| CN220322430U (en) | Wireless sensor device integrating sound vibration temperature | |
| CN217305229U (en) | Electric power instrument shell | |
| CN218446440U (en) | Edge acquisition terminal for acquiring quality data of metering equipment | |
| CN212621123U (en) | Vehicle-mounted temperature detector capable of transmitting temperature signal | |
| CN110104190A (en) | A kind of plant protection drone avionics system | |
| CN220334450U (en) | Air pressure detection device in high-speed elevator car | |
| CN219956684U (en) | Detection cabinet for detecting overload and unbalanced load | |
| CN215268189U (en) | Data acquisition device for solar photovoltaic array | |
| CN213844213U (en) | Motor data recorder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |