CN208477333U - The real time data retransmission unit of propeller - Google Patents
The real time data retransmission unit of propeller Download PDFInfo
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- CN208477333U CN208477333U CN201820968622.7U CN201820968622U CN208477333U CN 208477333 U CN208477333 U CN 208477333U CN 201820968622 U CN201820968622 U CN 201820968622U CN 208477333 U CN208477333 U CN 208477333U
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- propeller
- power supply
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Abstract
The utility model discloses a kind of real time data retransmission units of propeller, comprising: Portable movable protective housing is provided with sensor interface and power supply communication interface on the Portable movable protective housing；Control panel, the control panel are installed in the Portable movable protective housing, pass through the power supply of the airborne distribution system of power supply communication interface；The serial ports processing module is connect by the serial communication port with the flight-control computer, the discrete signal processing module is connect by three road I/O PORT COMs with the flight-control computer, the D/A module is connect by the DA output port with the propeller control, and the A/D module is connect by the AD input port with the propeller control.The utility model can be realized the status monitoring of propeller, and operate to the control of propeller；And the device is loaded in the Portable movable protective housing using electromagnetic shielding box, has high-intensitive physically and electrically magnetic protection.
Description
Technical field
The invention belongs to the field of data transmission of unmanned vehicle, more particularly, to a kind of real time data of propeller
Retransmission unit.
Background technique
Propeller system is the important component of the dynamical system of unmanned vehicle, it is mainly responsible for the dynamic of engine
Power is converted into the propulsive force of aircraft.Propeller system has generally comprised propeller ontology, constant speed control system and data forwarding
The parts such as system.The propeller is usually three leaf paddles.
In flight course, flight-control computer can assign oil to engine system according to the instruction of ground handling operator
Door switching command, after throttle change, revolution speed of propeller can change, at this point, propeller constant speed control system can be according to number
Revolving speed is controlled as rated engine speed according to the requirement of repeater system, to realize the fixed speed control of propeller system, fixed speed control can
To improve the flight efficiency of aircraft, it is widely used in Fixed Wing AirVehicle.
Data forwarding system is based on data forwarding device, the main rated engine speed instruction for completing flight-control computer
It issues and the uploading operation of propeller system monitoring parameters, is the important set for connecting flight-control computer and propeller system
At part.Therefore, it is necessary to provide a kind of device that can be forwarded in real time to the data of propeller.
Utility model content
The purpose of this utility model is to propose a kind of device that can be forwarded in real time to the data of propeller.According to this
The real time data retransmission unit of the propeller of utility model is connect with flight-control computer and propeller control comprising:
Portable movable protective housing is provided with sensor interface on the Portable movable protective housing and power supply communication connects
Mouthful, the sensor interface includes serial communication port, three road I/O PORT COMs, DA output port and AD input port；
Control panel, the control panel are installed in the Portable movable protective housing, pass through the power supply communication interface
Receive the power supply of airborne distribution system, the serial ports that control module is provided on the control panel and is connect with the control module
Processing module, discrete signal processing module, D/A module, A/D module；
The serial ports processing module is connect by the serial communication port with the flight-control computer, described discrete
Signal processing module is connect by three road I/O PORT COMs with the flight-control computer, and the D/A module passes through the DA
Output port is connect with the propeller control, and the A/D module passes through the AD input port and the propeller control
Connection.
Preferably, the Portable movable protective housing is using electromagnetic shielding box, and is installed on engine by fixing leg
In equipment compartment.
Preferably, gap connection is carried out to the electromagnetic shielding box using conductive rubber.
Preferably, the case of the Portable movable protective housing is arranged in the sensor interface and the power supply communication interface
Body side.
Preferably, described device further includes input filter, the input filter be set to the power supply communication interface with
Between the control panel.
Preferably, it is additionally provided on the control panel and to be connect via the power supply communication interface with the propeller control
Power supply module and DC-DC module, the power supply module receive the power supply of airborne distribution system, are translated into the propeller control
The power supply of device processed, the DC-DC module convert the power supply of the power supply module to the excitation power supply of the propeller control.
Preferably, the serial ports processing module is led to by full duplex RS422 bus and the flight-control computer
News are transmitted data and instruction in the form of standard frame format, and will converted from the frame signal of the flight-control computer
For the frame signal for the control module.
Preferably, the discrete signal processing module is communicated by three road signals with the flight-control computer,
And by from the flight-control computer cut-off signal be converted to be used for the control module cut-off signal.
Preferably, AD input port front end is equipped with analog filter.
Real time data retransmission unit according to the present utility model is connected to winged by sensor interface and power supply communication interface
Between row control computer and propeller control, the status monitoring of propeller can be realized, and grasp to the control of propeller
Make；And the device is loaded in the Portable movable protective housing using electromagnetic shielding box, has high-intensitive physically and electrically magnetic
Protection, can meet the requirement of national military standard, be suitble to the installation and maintenance of small space.
The system of the utility model has other characteristics and advantages, these characteristics and advantages are from the attached drawing being incorporated herein
It will be apparent in subsequent specific embodiment, or will be in the attached drawing and subsequent specific embodiment being incorporated herein
Middle to be stated in detail, these the drawings and specific embodiments are used together to explain the specific principle of the utility model.
Detailed description of the invention
The utility model illustrative embodiments are described in more detail in conjunction with the accompanying drawings, the utility model it is upper
It states and other purposes, feature and advantage will be apparent.Wherein, in the utility model illustrative embodiments, phase
Same appended drawing reference typically represents same parts.
Fig. 1 shows the overall knot of the real time data dress subtraction unit of the propeller of one embodiment according to the present utility model
Structure schematic diagram；
Fig. 2 shows the internal structures of the real time data of the propeller of one embodiment according to the present utility model dress subtraction unit
Schematic diagram；
Fig. 3 shows the control panel of the real time data dress subtraction unit of the propeller of one embodiment according to the present utility model
Functional block diagram.
Description of symbols:
1, it is electromagnetically shielded box；2, shielding box cover board；3, fixing leg；4, sensor interface；5, power supply communication interface；6, it controls
Making sheet；7, input filter；8, discrete signal processing module；9, serial ports processing module, 10, control module, 11, DC-DC module,
12, A/D module, 13, D/A module, 14, power supply module.
Specific embodiment
The preferred embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this reality in attached drawing
With novel preferred embodiment, however, it is to be appreciated that may be realized in various forms the utility model without that should be illustrated here
Embodiment limited.On the contrary, thesing embodiments are provided so that the utility model is more thorough and complete, and energy
It is enough that the scope of the utility model is completely communicated to those skilled in the art.
The real time data retransmission unit of propeller according to the present utility model is controlled with flight-control computer and propeller
Device connection, which includes: Portable movable protective housing, is provided with sensor interface and confession on the Portable movable protective housing
Electric communication interface, the sensor interface include serial communication port, three road I/O PORT COMs, DA output port and AD input
Port；Control panel, the control panel are installed in the Portable movable protective housing, pass through the power supply communication interface
The power supply of airborne distribution system is provided with control module and the serial ports connecting with control module processing on the control panel
Module, discrete signal processing module, D/A module, A/D module；The serial ports processing module passes through the serial communication port and institute
Flight-control computer connection is stated, the discrete signal processing module is counted by three road I/O PORT COMs and flight control
The connection of calculation machine, the D/A module are connect by the DA output port with the propeller control, and the A/D module passes through institute
AD input port is stated to connect with the propeller control.
The real time data retransmission unit of propeller according to illustrative embodiments passes through sensor interface and power supply is logical
Communication interface is set on Portable movable protective housing, and control panel is mounted in Portable movable protective housing, each on control panel
Module is connect with respective sensor interface respectively, realizes and the real time data retransmission unit of propeller is integrated in one, and is formed
Independent device improves the convenience of device installation and maintenance, and has versatility, to improve unmanned vehicle
Design, production efficiency.
Preferably, Portable movable protective housing is using electromagnetic shielding box, and passes through fixing leg, such as four feet
Fixing leg is installed in engine apparatus cabin.Mechanically and electrically magnetic is carried out using high-strength magnetic shielding box to protect, and can meet state
The requirement of army's target, and it is suitble to installation and maintenance in small space.It is further preferred that using conductive rubber to electromagnetic screen
It covers box and carries out gap connection.The real time data dress subtraction unit of propeller in accordance with an exemplary embodiment of the invention is quiet with preventing
Electricity and lightning protection circuit, can meet the needs of long-term stable operation.
Preferably, the sensor interface and power supply communication interface setting are protected in the Portable movable
The cabinet side of case is installed convenient for wiring.
Control panel is installed in Portable movable protective housing, is mentioned by the airborne distribution system of power supply communication interface
The DC12V of confession powers.
Preferably, filter is set between the power supply communication interface and the control panel.Airborne power distribution system
After the DC12V power supply that system provides in power supply communication interface by entering in device, it is filtered again by input filter as control
Making sheet is powered.
Power supply module and DC-DC module are additionally provided on control panel, power supply module and DC-DC module are via power supply communication interface
It is connect with propeller control.Power supply module receives the DC12V power supply of airborne distribution system, and carries out power conversion, for spiral shell
It revolves oar system and DC12V is provided.DC-DC module generates stable DC5V based on the DC12V power supply of power supply module, and signal errors is not
Greater than ± 50mV, excitation power supply can be provided for propeller system.For example, providing excitation for the pitch unit in propeller control
Power supply.
The function of each module in the real time data retransmission unit of propeller according to the present utility model on control panel and spy
Point is as follows:
Serial ports processing module is connect via serial communication port with flight-control computer.Specifically, serial ports processing module
It is communicated by full duplex RS422 bus with flight-control computer.Serial communication generallys use five-wire system form, is respectively
Tx+, Tx-, Rx+, Rx- and GND, the serial communication port are the isolated serial ports of full duplex.Serial ports processing module and flight control
Between computer in the form of standard frame format transmit data and instruction, for example, send instructions under aircraft control computer according to
Standard Frame Protocol is sent to serial ports processing module by serial communication port, and serial ports processing module is by the state of propeller system
Monitoring parameters are sent to machine by serial communication port and control computer.Meanwhile serial ports processing module will be from flight control meter
The frame signal of calculation machine is converted into the frame signal for control module, for example, 5V frame signal, the frame signal received by control module and
Parsing.Control module can be MCU, can also other processors.
Discrete signal processing module is connect via three road I/O PORT COMs with the flight-control computer.Specifically, from
Scattered signal processing module is communicated by three road signals with flight-control computer, this three roads signal is crosslinked shape by mutual
At 8 kinds of state of a controls can be transmitted.It is that 28V cut-offs signal that flight-control computer, which generates form, by three road connecting cables,
Discrete signal processing module is carried out via three road I/O PORT COMs respectively, is converted into the signal that cut-offs of 5V, and be sent to control
Module.28V's cut-offs signal, refers to DC28V to be enabled, using 0V as set.5V's cut-offs signal, refers to DC5V to be to make
Can, using 0V as set.By the combination of three road signals, the transmission of the instruction of propeller instruction revolving speed can be completed, realizes spiral
The variable speed setting of the instruction revolving speed of 3000~5000RPM of paddle.
D/A module is connect by DA output port with propeller control, and is connect by spi bus with control module.
Instruction requirement of the D/A module based on control module, sends out any voltage value between 0~5V, and precision is ± 2mV.The voltage value
It carries out propeller control and is converted into instruction revolving speed, to carry out the constant speed control operation of propeller.
A/D module is connect by AD input port with propeller control, and is connect by spi bus with control module.
The pitch angle signal of propeller control enters A/D module, and after voltage follow is handled, which is acquired by A/D module and convert
For digital signal, control module is entered by serial spi bus.A/D module receives the voltage that AD input is ± 5V consecutive variations and believes
Number, accuracy of identification is ± 10mV, completes the collecting work of the pitch signal of propeller.By the setting of A/D module, it can be achieved that spiral shell
It revolves the parameters such as the propeller pitch angle of paddle to upload in real time, provides closed-loop parameters for propeller control.Preferably, AD input port front end band
There is analog filter, the cutoff frequency of -3dB is 1kHz.The real time data retransmission unit of propeller according to the present utility model
Writing for software is carried out using the embedded platform based on C language, possess self-test and works normally two modes, can be obtained in real time
The monitoring system of propeller simultaneously carries out data upload using serial bus.In terms of stability, the soft of the more redundancies of software and hardware is utilized
Part framework improves the non-failure operation time of software.
Embodiment
Fig. 1 and Fig. 2 respectively illustrates the real time data forwarding dress of the propeller of one embodiment according to the present utility model
The general structure schematic diagram and schematic diagram of internal structure set, Fig. 3 show the spiral of one embodiment according to the present utility model
The functional block diagram of the control panel of the real time data retransmission unit of paddle.
In conjunction with shown in Fig. 1, Fig. 2 and Fig. 3, the propeller that is connect with flight-control computer and propeller control it is real-time
Data forwarding device includes: Portable movable protective housing, and sensor interface 4 is provided on Portable movable protective housing and power supply is logical
Communication interface 5, sensor interface 4 include serial communication port, three road I/O PORT COMs, DA output port and AD input port；Control
Making sheet 6, control panel 6 are installed in Portable movable protective housing, and the confession of airborne distribution system is received by power supply communication interface 5
Electricity, the serial ports processing module 9 for being provided with control module 10 on control panel 6 and being connect with control module 10, discrete signal processing
Module 8, D/A module 13, A/D module 12；Serial ports processing module 9 is connect by serial communication port with flight-control computer, from
Scattered signal processing module 8 is connect by three road I/O PORT COMs with flight-control computer, and D/A module 13 passes through DA output port
It is connect with propeller control, A/D module 12 is connect by AD input port with propeller control.
Electromagnetic shielding box 1 can be used in Portable movable protective housing, and is installed on engine apparatus cabin by fixing leg 4
It is interior.Electromagnetic shielding box 1 can be used aviation aluminium and be manufactured, and the size of electromagnetic shielding box 1 can be 102mm*124mm*34mm.
Specifically, as shown in Figure 1, shielding box cover board 2 is installed on 1 top of electromagnetic shielding box by M3 bolt, for the device
High-intensitive physically and electrically magnetic protection is provided.The frame that fixing leg 3 is installed on engine apparatus cabin is passed through by the bolt of M5
On plate.The cabinet side of Portable movable protective housing, namely electromagnetic shielding is arranged in sensor interface 4 and power supply communication interface 5
On the side plate of box 1.
As shown in Fig. 2, control panel 6 is installed on electromagnetic shielding box 1 by M3 bolt, and it is installed on electromagnetic shielding box 1
Dedicated tie point on, and using locking glue to tie point carry out fastening and locking processing.The power supply of unmanned vehicle passes through confession
After electric communication interface 4 enters inside, first passes around input filter 7 and be filtered, then be powered for control panel 6.Electromagnetic screen
Box 1 is covered using conductive rubber to progress gap connection.
As shown in figure 3, power supply module 14 and DC-DC module 11 are additionally provided on control panel 6, power supply module 14 and DC-DC mould
Block 11 is connect via power supply communication interface with propeller control.Power supply module 14 receives the DC12V that airborne distribution system provides
Power supply is translated into the DC12V power supply of propeller control, and DC-DC module 11 is by the DC12V of power supply module 14 for electrotransformation
For the DC5V excitation power supply of propeller control.
Serial ports processing module 9 is communicated by full duplex RS422 bus with flight-control computer, with standard frame format
Form transmit data and instruction, and convert the frame signal from flight-control computer to the 5V frame for being used for control module
Signal.
Discrete signal processing module 8 is led to by the three road signals that 28V cut-offs signal form with flight-control computer
News, and the 28V from flight-control computer cut-off into signal be converted to and be used for the 5V of control module and cut-off signal.
D/A module 13 is connect by DA output port with propeller control, and passes through spi bus and control module 10
Carry out data exchange.D/A module 13 is required according to the instruction of control module 10, is sent out the analog signal between 0~5V, is passed through
Electrical cable is sent to propeller control, to realize the instruction revolving speed setting of propeller system.
A/D module 12 is connect by AD input port with propeller control, and passes through spi bus and control module 10
Carry out data exchange.The pitch angle signal of propeller control enters A/D module 12, after voltage follow is handled, the signal quilt
A/D module acquisition is converted into digital signal, enters control module 10 by serial spi bus.
The embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is also not necessarily limited to disclosed embodiment.Without departing from the scope and spirit of embodiment described, for this technology
Many modifications and changes are obvious for the those of ordinary skill in field.
Claims (10)
1. a kind of real time data retransmission unit of propeller, connect, feature with flight-control computer and propeller control
It is, described device includes:
Portable movable protective housing is provided with sensor interface and power supply communication interface, institute on the Portable movable protective housing
Stating sensor interface includes serial communication port, three road I/O PORT COMs, DA output port and AD input port；
Control panel, the control panel are installed in the Portable movable protective housing, pass through the power supply communication interface
The power supply of airborne distribution system is provided with control module and the serial ports connecting with control module processing on the control panel
Module, discrete signal processing module, D/A module, A/D module；
The serial ports processing module is connect by the serial communication port with the flight-control computer, the discrete signal
Processing module is connect by three road I/O PORT COMs with the flight-control computer, and the D/A module is exported by the DA
Port is connect with the propeller control, and the A/D module is connected by the AD input port and the propeller control
It connects.
2. the real time data retransmission unit of propeller according to claim 1, which is characterized in that the Portable movable is anti-
Protecting box is installed in engine apparatus cabin using electromagnetic shielding box by fixing leg.
3. the real time data retransmission unit of propeller according to claim 2, which is characterized in that using conductive rubber to institute
It states electromagnetic shielding box and carries out gap connection.
4. the real time data retransmission unit of propeller according to claim 1, which is characterized in that the sensor interface and
The cabinet side of the Portable movable protective housing is arranged in the power supply communication interface.
5. the real time data retransmission unit of propeller according to claim 1, which is characterized in that further include input filter
Device, the input filter are set between the power supply communication interface and the control panel.
6. the real time data retransmission unit of propeller according to claim 1, which is characterized in that also set on the control panel
There are the power supply module connecting via the power supply communication interface with the propeller control and DC-DC module, the power supply mould
Block receives the power supply of airborne distribution system, is translated into the power supply of the propeller control, and the DC-DC module will be described
The power supply of power supply module is converted into the excitation power supply of the propeller control.
7. the real time data retransmission unit of propeller according to claim 1, which is characterized in that the serial ports processing module
Communicated by full duplex RS422 bus and the flight-control computer, in the form of standard frame format transmit data and
Instruction, and convert the frame signal from the flight-control computer to the frame signal for being used for the control module.
8. the real time data retransmission unit of propeller according to claim 1, which is characterized in that the discrete signal processing
Module is communicated by three road signals with the flight-control computer, and by opening from the flight-control computer
Break signal, which is converted to, cut-offs signal for the control module.
9. the real time data retransmission unit of propeller according to claim 1, which is characterized in that the D/A module, AD mould
Block is attached with the control module by spi bus.
10. the real time data retransmission unit of propeller according to claim 1, which is characterized in that the AD input port
Front end is equipped with analog filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820968622.7U CN208477333U (en) | 2018-06-22 | 2018-06-22 | The real time data retransmission unit of propeller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820968622.7U CN208477333U (en) | 2018-06-22 | 2018-06-22 | The real time data retransmission unit of propeller |
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| Publication Number | Publication Date |
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| CN208477333U true CN208477333U (en) | 2019-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060095A (en) * | 2019-12-10 | 2020-04-24 | 中船航海科技有限责任公司 | Multifunctional comprehensive information forwarding device for ship |
-
2018
- 2018-06-22 CN CN201820968622.7U patent/CN208477333U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060095A (en) * | 2019-12-10 | 2020-04-24 | 中船航海科技有限责任公司 | Multifunctional comprehensive information forwarding device for ship |
| CN111060095B (en) * | 2019-12-10 | 2023-01-13 | 中船航海科技有限责任公司 | Multifunctional comprehensive information forwarding device for ship |
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