CN209561598U - A kind of spaceborne multifunctional comprehensive mechanics controller - Google Patents
A kind of spaceborne multifunctional comprehensive mechanics controller Download PDFInfo
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- CN209561598U CN209561598U CN201920401824.8U CN201920401824U CN209561598U CN 209561598 U CN209561598 U CN 209561598U CN 201920401824 U CN201920401824 U CN 201920401824U CN 209561598 U CN209561598 U CN 209561598U
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Abstract
The utility model relates to a kind of spaceborne multifunctional comprehensive mechanics controllers, including mechanism drive module and temperature control modules, mechanism drive module is used to control the angle of antenna, temperature control modules are used to control the temperature of antenna, mechanism drive module is connect by 1553B interface with integrated electronics on star, and mechanism drive module is connect by RS422 interface with temperature control modules.The spaceborne multifunctional comprehensive mechanics controller of the utility model has multimachine structure drive control and mechanism temperature control function.
Description
Technical field
The utility model relates to a kind of antenna mechanism controller of medium and low earth orbit satellites, more particularly to one kind are spaceborne multi-functional comprehensive
Close mechanics controller.
Background technique
Number passes the important component that antenna is satellite, and the information that payload can be acquired by passing antenna by number is transmitted
To grounded receiving station；Since the limitation of ground receiver station location also installs relay antenna in certain military satellites, by relaying
Important data are transmitted to grounded receiving station by satellite.Antenna mechanism controller, which is exactly that one kind is main, realizes that number passes antenna to ground
Receiving station or relay antenna are directed toward the device of control function to the tracking of repeater satellite, make in the in-orbit motion process of satellite, energy
It is enough effectively to transfer data to earth station or relay satellite.Under space environment, to guarantee mechanism temperature plateau out of my cabin, antenna mechanism control
Device processed needs to have mechanism temperature control function, it is ensured that rotatable parts long-time, highly reliable rotation.Domestic mechanism driving at present
Device, usually only supporting mechanism's driving function, the control of mechanism temperature need independent thermal control single machine to realize, there is weight weight,
The problem that structure is complicated, power consumption is high and reliability is not high.
By the retrieval to existing literature, discovery has the following prior art: one, public application No. is 201710356079.5
The number of opening is CN107240756 A, a kind of entitled " antenna expansion control with on-orbit fault diagnosis and autonomous processing function
The patent document of device ", the technical solution of the patent give the motor-drive circuit with active and standby cold standby dual redundant, have event
Hinder self diagnosis and the advantages of from main process task, but the technical solution only supports uniaxial mechanism driving, cannot achieve position closed loop
Control；Two, application No. is 201710356080.8, Publication No. CN107017809A, entitled " low-power consumption is high-precision on a kind of star
The patent document of degree two dimension direction thermo-mechanical drive ", the technical solution of the patent give based on Subdividing Processing pulsewidth modulation
(PWM) technical solution of actuation techniques, but the technical solution only supports the mechanism of bidimensional to rotate, and cannot achieve complicated multimachine
Structure driving and the temperature controlled function of mechanism.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide one kind to have multimachine structure drive control and mechanism
The spaceborne multifunctional comprehensive mechanics controller of temperature control function.
The spaceborne multifunctional comprehensive mechanics controller of the utility model, including mechanism drive module and temperature control modules,
The mechanism drive module is used to control the angle of antenna, and the temperature control modules are used to control the temperature of antenna, the machine
Structure drive module is connect by 1553B interface with integrated electronics on star, and mechanism drive module is controlled by RS422 interface and temperature
Module connection.
Specifically, mechanism drive module and temperature control modules are located in same control circuit board, so that spaceborne more
Function synthesized mechanics controller not only has the function of controlling aerial angle, while can accurately control the temperature of antenna
Degree controls single machine, more compact structure compared to discrete temperature.In addition, mechanism drive module can control Multi-path electricity simultaneously
Machine, to realize the function of multimachine structure driving.Multifunctional comprehensive mechanics controller can be by comprehensive on 1553B interface and star
Electronic communication, traffic rate are higher, more stable.Mechanism drive module can be connected by RS422 interface and temperature control modules
It connects, thus the communication function between implementation mechanism drive module and temperature control modules.
Further, the spaceborne multifunctional comprehensive mechanics controller of the utility model, the mechanism drive module include
1553B communication module, the first RS422 communication module, the first control module, driving and angle acquisition module, the 1553B communication
Module is connect with integrated electronics on star, first control module respectively with the 1553B module, driving and angle acquisition module
Connection, the driving and angle acquisition module are connect with multiple motor main windings, multiple rotation transmitters；
The temperature control modules include the 2nd RS422 communication module, the second control module, the 2nd RS422 communication
Module is connect with the first RS422 communication module, the second control module respectively with the 2nd RS422 communication module, power drive
And temperature collecting module connection, the power drive and temperature collecting module connect with the heater and thermistor being set on antenna
It connects.
The setting of 1553B communication module realizes mechanism drive module and is communicated by 1553B interface with integrated electronics on star
Purpose.It connects the first control module, receives the bus command of integrated electronics on star and sends digital quantity telemetering；First
The setting of RS422 communication module and the 2nd RS422 communication module realizes between mechanism drive module and temperature control modules
Communication.First RS422 communication module is connected with the 2nd RS422 communication module, sends temperature control and instructs and receive temperature control telemetering；The
The setting of one control module realizes the parsing of the director data sent to 1553B communication module and adopts to driving and angle
Collect the purpose of module output angle control data, specifically, the first control module receives the instruction of integrated electronics on star, and realizes
The position control of mechanism；Driving and angle acquisition module receive the control data that the first control module is sent and acquire rotation and send
The angle information that machine issues, and this angle information is sent to the first control module, to realize the closed loop of the first control module
Control.Specifically, driving and angle acquisition module, receive motor control signal and drive machine winding after carrying out power amplification,
Rotation transmitter position signal is received simultaneously and carries out analog-to-digital conversion；The setting of second control module, for receiving the 2nd RS422
The temperature control instruction of transmission simultaneously sends it to power drive and temperature collecting module, and power drive and temperature collecting module connect
The temperature control instruction is received, to realize the accurate control to heater, while the resistance value of thermistor is acquired and being sent to
To the second control module, to realize closed-loop control of second control module to temperature, specifically, the second control module receives the
Two RS422 send temperature control instruction, control the switch of heater.
Further, the spaceborne multifunctional comprehensive mechanics controller of the utility model, the mechanism drive module further include
The first telemetry module connecting with integrated electronics on the star, the temperature control modules further include and integrated electronics on the star
Second telemetry module of connection.
First telemetry module is for connecting integrated electronics and the relevant telemetering of current of output mechanism driving, driving circuit on star
State telemetering, the second telemetry module is for connecting integrated electronics and the relevant state telemetering of output temperature control on star.
Further, the spaceborne multifunctional comprehensive mechanics controller of the utility model, the mechanism drive module further include
First power module, the temperature control modules further include second power supply module.
First power module respectively with 1553B communication module, the first RS422 communication module, the first control module, driving and
Angle acquisition module, the connection of the first telemetry module, to be each module for power supply.Second power supply module is logical with the 2nd RS422 respectively
Module, the second control module, power drive and temperature collecting module, the connection of the second telemetry module are believed, to be each module for power supply.
Further, the spaceborne multifunctional comprehensive mechanics controller of the utility model, the mechanism drive module and temperature
The number of control module is respectively two.
The setting of Liang Ge mechanism drive module and two temperature control modules realizes the backup functionality of main circuit, improves
The stability and reliability of circuit operation.A module is main circuit in two modules, another module is standby circuit, standby electricity
Road is cold standby, when main circuit breaks down, starts standby circuit.
According to the above aspect of the present invention, the utility model at least has the following advantages: the spaceborne multifunctional comprehensive machine of the utility model
Structure controller has the ability of 4 stepper motors and No. 16 heaters while drive control, solves the finger of directing mechanism out of my cabin
To driving and environment temperature control problem, there is compact-sized, light-weight, multiple functional feature.
The spaceborne multifunctional comprehensive mechanics controller of the utility model, heavy-duty motor and heater-driven are all made of
Switch mosfet control mode improves the efficiency of driving circuit, reduces the power consumption of controller.Meanwhile drive module is installed
On structural bead, by the way that the heat of heating device to be directly conducted in the good metal structure of heating conduction, reduce
The temperature of heating device improves the reliability of product.
The spaceborne multifunctional comprehensive mechanics controller of the utility model is improved using the measure of cold standby dual redundant
Control the reliability of driving circuit；Two relatively independent functional modules are connected by internal RS422 communication interface, reduce event
The degree of coupling of barrier improves the reliability of product.
In conclusion the spaceborne multifunctional comprehensive mechanics controller of the utility model has multimachine structure drive control and mechanism
Temperature control function.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the functional block diagram of spaceborne multifunctional comprehensive mechanics controller provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of the first power module provided by the embodiment of the utility model or second power supply module；
Fig. 3 is the schematic diagram of the first control module provided by the embodiment of the utility model；
Fig. 4 is the schematic diagram of driving provided by the embodiment of the utility model and angle acquisition module；
Fig. 5 is the schematic diagram of power drive provided by the embodiment of the utility model and temperature collecting module.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes spaceborne multifunctional comprehensive mechanics controller work
It is further described.According to following explanation and claims, will be become apparent from feature the advantages of the utility model.It needs to illustrate
, attached drawing is all made of very simplified form and using non-accurate ratio, only conveniently, lucidly to aid in illustrating originally
The purpose of utility model embodiment.
The core concept of the utility model is that spaceborne multifunctional comprehensive mechanics controller provided by the utility model leads to
Internal RS422 communication interface is crossed, it is comprehensive to realize directing mechanism driving and temperature active control function, comprehensive organ's controller
First control module receives the mechanism driving and temperature control instruction of integrated electronics on star by 1553B communication module, closes by position
After ring control, 4 stepper motor windings are driven, while by internal first RS422 communication module with 6s communication cycle and second
Control module is communicated, and the second control module carries out the processing of temperature control control algolithm, after power amplification, the heating of 16 tunnels of driving
Device.
Fig. 1 is the functional block diagram of spaceborne multifunctional comprehensive mechanics controller provided by the embodiment of the utility model.Referring to figure
1, spaceborne multifunctional comprehensive mechanics controller, including mechanism drive module and temperature control modules, mechanism drive module includes the
One power module, 1553B communication module, the first RS422 communication module, the first control module, the first telemetry module, driving and angle
Acquisition module is spent, temperature control modules include second power supply module, the 2nd RS422 communication module, the second telemetry module, the second control
Molding block, power drive and temperature collecting module.Each modular circuit is master backup in addition to power drive and temperature collecting module
Two completely the same circuit modules, only introduce main part module here.First power module 16 connects the 1553B communication module
11, the first RS422 communication module 12, first control module 14 and first telemetry module 13, and provide secondary
Power supply power supply；1553B communication module 11 connects first control module 14, receives the bus command of integrated electronics 31 on star simultaneously
Send digital quantity telemetering；First RS422 communication module 12 is connected with the 2nd RS422 communication module 21, sends temperature control instruction
And receive temperature control telemetering；First control module 14, with the 1553B communication module 11, the first RS422 communication module 12,
The driving and angle acquisition module 15 are connected, and receive the instruction of integrated electronics 31 on star, and implementation mechanism position control；First
Telemetry module 13 connects integrated electronics 31 on star and output mechanism drives relevant telemetering of current, driving circuit state telemetering；It drives
Dynamic and angle acquisition module 15 receives motor control signal and drives machine winding after carrying out power amplification, while receiving rotation hair
It send machine position signal and carries out analog-to-digital conversion；Second power supply module 24 connects the 2nd RS422 communication module 21, described second
Telemetry module 22, second control module 23, the power drive and temperature collecting module 25, and secondary power supply confession is provided
Electricity；2nd RS422 communication module 21 is connected with the first RS422 communication module 12, receives that temperature control instructs and to send temperature control distant
It surveys；Second telemetry module 22 connects integrated electronics 31 on star and output temperature controls relevant state telemetering；Second control module
23 are connected with the 2nd RS422 communication module 21, the power drive and temperature collecting module 25, receive RS422 temperature control and refer to
It enables, controls the switch of heater；Power drive and temperature collecting module 25 carry out power amplification to temperature control control signal, and driving adds
Hot device, while acquiring the temperature of thermistor.
As shown in Fig. 2, being the first power module provided by the embodiment of the utility model or second power supply module schematic diagram.It should
Module receives a bussed supply 28V of integrated electronics 31 on star, and by fuse 161, specification is RSG-1-FFA (3A) circuit
Overcurrent protection is carried out, carried out by slow switch circuit 162 plus powers off Inrush current restraining, is carried out later through 163 circuit of wave filter
Power filter processing, finally by the one secondary power supply conversion of progress of DC/DC device 164 ,+the 5V that output control circuit needs, ±
12V secondary power supply.
As shown in figure 3, being the first control module schematic diagram provided by the embodiment of the utility model.First control module is by list
Piece machine 80C32 circuit 141, ROM memory module 142, RAM circuit 143 and FPGA circuitry 144 form, wherein 80C32 circuit 141
The bus command of 1553B communication module 11 is received, and after carrying out instruction parsing, passes through parallel data bus line, address bus, control
Line and FPGA module 144 carry out data interaction and export and acquire after FPGA receives the speed command and control signal of single-chip microcontroller
The signal of driving and angle acquisition module 15, while 80C32 circuit 141 passes through internal first RS422 communication module and temperature control mould
Block carries out RS422 communication.
As shown in figure 4, for driving provided by the embodiment of the utility model and angle acquisition module diagram.Driving motor
When, the first control module 4 sends driving direction DIR signal, driving PWM wave signal to LMD18200H bridge driving chip 151, warp
After crossing the power amplification of H bridge driving chip, external driving motor main motor winding, standby machine winding 41a；Acquisition angles signal
When, by inner Venturi bridge driving circuit 153, sinusoidal excitation signal is exported to rotation transmitter 41b, rotation transmitter is externally defeated
Sinusoidal signal and cosine signal are to AD2S80 angle number decoding chip 152 out, through over-angle decoding chip analog-to-digital conversion process
Afterwards, output angle digital quantity signal is to the first control module 14.
As shown in figure 5, being power drive provided by the embodiment of the utility model and temperature collecting module schematic diagram.Driving adds
When hot device, switching signal is sent to VMOS pipe 25e by the second control module 23, after the power amplification of VMOS pipe, driving adds
Hot device 51b work；When acquiring thermistor 51a, 5V power supply is provided to thermistor by 16 tunnel internal pull-up resistors, by electricity
After resistance/voltage transformation module 25a, process 16 selects 1 multidiameter option switch circuit 25b to handle, and the analog quantity voltage of output passes through
After amplifier follows circuit 25c to handle, output voltage is ultimately converted to digital quantity temperature value to inside A/D converter circuit 25d.
Comprehensive organ's controller work step: after comprehensive organ's controller powers on, controller defaults work in main part circuit.
Integrated electronics 31 send 1553B bus mechanism driving instruction and gathering project telemetering, the first control mould according to every 2s period on star
The control period of block 14 is 40ms, when the first control module 14 receives 1553B communication external interrupt within the control period, root
The angle that the activation point and driving and angle acquisition module 15 required according to instruction is fed back carries out position-force control, output driving
And angle acquisition module 15PWM wave control signal, the final active and standby 41 sine and cosine two-phase-region casting electric current of winding of driving motor, driving electricity
Machine rotation.Meanwhile first control module 14 and the second control module 23 temperature control instruction and temperature acquisition carried out with 6s communication cycle
Data interaction；First control module 14 is sent out in initial power-on by the first RS422 communication module, the 2nd RS422 communication module
Send the default mode of operation, upper limit threshold, lower threshold of No. 16 heater buttons to the second control module 23, the second control module
It is defeated in conjunction with the 16 road thermistor temps that power drive and temperature collecting module 25 acquire after 23 receive temperature control control instruction
51 switching signal of No. 16 heater out, and by driving No. 16 heaters after power drive and temperature collecting module power amplification
Work.When needing to change temperature control operating mode, bound temperature control threshold value, sent out by integrated electronics 31 by 1553B communication interface
After sending temperature control instruction packet, the first control module 14 to receive new temperature control instruction packet, mould is communicated by internal the one the second RS422
Block, the 2nd RS422 communication module 21 are sent to the second control module 23, after the second control module 23 carries out protocol analysis, according to
New temperature control instruction, driving heater work.Integrated controller is made of two sets of circuits that master backup is mutually redundant, if main part is electric
Road is abnormal, and integrated electronics are switched to backup power supply by power supply control on star, and integrated controller works in fallback circuit.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, those skilled in the art can be with other specific shapes
Formula realizes the utility model.It therefore, in all respects, the embodiments should be taken as exemplary, and is non-limit
Property processed, the protection scope of the utility model is indicated by the appended claims rather than the foregoing description.
In addition, the above is only the preferred embodiment of the utility model, it is not intended to limit the utility model, it should
It points out, for those skilled in the art, without deviating from the technical principle of the utility model, may be used also
To make several improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.Meanwhile it should manage
Solution, although this specification is described in terms of embodiments, but not each embodiment only includes an independent technical side
Case, this description of the specification is merely for the sake of clarity, and those skilled in the art should be whole using specification as one
Body, the technical solutions in the various embodiments may also be suitably combined, formed it will be appreciated by those skilled in the art that other implementation
Mode.
Claims (5)
1. a kind of spaceborne multifunctional comprehensive mechanics controller, it is characterised in that: including mechanism drive module and temperature control modules,
The mechanism drive module is used to control the angle of antenna, and the temperature control modules are used to control the temperature of antenna, the machine
Structure drive module is connect by 1553B interface with integrated electronics on star, and mechanism drive module is controlled by RS422 interface and temperature
Module connection.
2. spaceborne multifunctional comprehensive mechanics controller according to claim 1, it is characterised in that: the mechanism drive module
Including 1553B communication module, the first RS422 communication module, the first control module, driving and angle acquisition module, the 1553B
Communication module is connect with integrated electronics on star, first control module respectively with the 1553B module, driving and angle acquisition
Module connection, the driving and angle acquisition module are connect with multiple motor main windings, multiple rotation transmitters；
The temperature control modules include the 2nd RS422 communication module, the second control module, the 2nd RS422 communication module
Connect with the first RS422 communication module, the second control module respectively with the 2nd RS422 communication module, power drive and temperature
Acquisition module connection, the power drive and temperature collecting module is spent to connect with the heater and thermistor being set on antenna.
3. spaceborne multifunctional comprehensive mechanics controller according to claim 2, it is characterised in that: the mechanism drive module
Further include the first telemetry module being connect with integrated electronics on the star, the temperature control modules further include with it is comprehensive on the star
Close the second telemetry module of electronics connection.
4. spaceborne multifunctional comprehensive mechanics controller according to claim 3, it is characterised in that: the mechanism drive module
It further include the first power module, the temperature control modules further include second power supply module.
5. spaceborne multifunctional comprehensive mechanics controller according to claim 4, it is characterised in that: the mechanism drive module
Number with temperature control modules is respectively two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401824.8U CN209561598U (en) | 2019-03-27 | 2019-03-27 | A kind of spaceborne multifunctional comprehensive mechanics controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401824.8U CN209561598U (en) | 2019-03-27 | 2019-03-27 | A kind of spaceborne multifunctional comprehensive mechanics controller |
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| Publication Number | Publication Date |
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| CN209561598U true CN209561598U (en) | 2019-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111915869A (en) * | 2020-07-14 | 2020-11-10 | 上海空间电源研究所 | High-reliability RS422 serial port communication circuit device |
-
2019
- 2019-03-27 CN CN201920401824.8U patent/CN209561598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111915869A (en) * | 2020-07-14 | 2020-11-10 | 上海空间电源研究所 | High-reliability RS422 serial port communication circuit device |
| CN111915869B (en) * | 2020-07-14 | 2021-11-16 | 上海空间电源研究所 | High-reliability RS422 serial port communication circuit device |
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