CN110347078A - A kind of Mars probes independently wake up control system and method - Google Patents
A kind of Mars probes independently wake up control system and method Download PDFInfo
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- CN110347078A CN110347078A CN201910576270.XA CN201910576270A CN110347078A CN 110347078 A CN110347078 A CN 110347078A CN 201910576270 A CN201910576270 A CN 201910576270A CN 110347078 A CN110347078 A CN 110347078A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
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Abstract
The present invention relates to a kind of Mars probes independently to wake up control system and method.Out after fiery night, solar battery array is supplied to battery group heating tape by suspend mode power supply branch output power；As sun battle array output power incrementally increases, busbar voltage is increased, and is reached after waking up thresholding, and switch of the power supply module wake-up circuit work, out-put supply switchs wake-up signal to temperature relay；Temperature relay is in an off state；As solar battery array output power increases, battery group temperature is stepped up, after reaching battery group operating temperature, temperature relay turn on automatically, power switch wake-up signal driving power module switch motion, accesses bus for power module, while heating tape being cut off；Power module work, generates working power, and working power generates discharge switch wake-up signal and bus switching switch wake-up signal through electric discharge and bus switching switch wake-up circuit, respectively drives discharge switch and the automatic closure of bus switching switch, complete autonomous wake up.
Description
Technical field
The present invention relates to space flight deep-space detection fields, and in particular to Mars probes independently wake up control system.
Background technique
Deep space exploration is on the basis of satellite fields, manned space flight and space station obtain significant achievement, to broader
The exploration that the solar system and cosmic space are marched.Mars is one of major planet nearest apart from the earth in the solar system, is belonged to the earth
Terrestrial planet for exploration of the universe and origin of life, studies the evolution process of the earth with important scientific meaning.
The atmosphere and wind of thin drying on Mars can raise dust from martian surface, to cause dust storm.Consider strong
In the case of dust storm, solar battery array output power is seriously reduced during fiery daytime, to avoid battery group overdischarge from reducing battery
Group service life, need to carry out battery group Cross prevention, therefore need to design dormancy awakening function.When battery group capacity deficiency
When, when solar battery array output power is not able to satisfy load requirements, panel switches cut-off parts load is first passed through, enters whole device
Minimum operating mode, when solar battery array output power is still insufficient, detector carries out suspend mode setting, disconnects all loads, when
Detector work is independently waken up by autonomous wake-up circuit when illumination condition takes a turn for the better.
Currently, China carries out Mars exploration task for the first time.Mars environment is complicated, if temperature is lower when wake-up, will affect
Battery group discharging function, or even can not discharge.Therefore the autonomous awakening technology of Mars complex environment is one urgently to be resolved
Problem.
Summary of the invention
Technology of the invention solves the problems, such as: the present invention provides a kind of Mars probes and independently wakes up control system.Due to
Mars environment is complicated, and to prevent battery group overdischarge, detector enters suspend mode, after illumination condition takes a turn for the better, independently calls out
Detector of waking up works.This method is realized using very simple analog circuit, is not necessarily to software, and control method is simple, high reliablity,
It is easy to Project Realization.
The technical solution of the invention is as follows: a kind of Mars probes independently wake up control system, which includes
Solar battery array, MPPT circuit, suspend mode power supply branch, battery group, power module, heating tape, temperature relay, power module
Switch wake-up circuit, electric discharge and bus switching switch wake-up circuit, switch of the power supply module Kd, bus switching switch K4, electric discharge are opened
Close K2；Heating tape and temperature relay are attached on battery group monomer；
Solar battery array one end ground connection, the other end connect MPPT circuit and suspend mode power supply branch, the other end of MPPT circuit
Connect bus；Battery group one end ground connection, the other end are connected to bus by discharge switch K2；It is single-ended that bus, which switches switch K4,
Commutator, non-moving end connect bus, and connection suspend mode power supply circuit may be selected in moved end, or connection bus output may be selected
End；Switch of the power supply module Kd is also single-ended commutator, and non-moving end is connected to bus, and connection heating tape may be selected in moved end, or
Connection power module may be selected in person, and power module connection electric discharge wakes up with bus switching switch wake-up circuit, bus switching switch
Circuit is opened for generating discharge switch wake-up signal and bus switching switch wake-up signal, the connection electric discharge of discharge switch wake-up signal
The wake-up line packet of K2 is closed, the wake-up line packet of connection discharge switch K2 is connected to bus by three terminal regulator；Bus switching switch
Wake-up signal connects the wake-up line packet of bus switching switch K4, and the wake-up line packet that bus switches switch K4 is connected by three terminal regulator
It is connected to bus；Switch of the power supply module wake-up circuit one end connects bus, and the other end connects temperature relay, for generating output
For switch of the power supply module wake-up signal to temperature relay, the other end of temperature relay connects the wake-up line of switch of the power supply module kd
Packet, the wake-up line packet of switch of the power supply module kd are connected to bus by three terminal regulator.
The switch of the power supply module wake-up circuit includes that the first wake-up allows switch K1-1, the second wake-up to allow switch K1-
2, third wake-up allow switch K1-3, the 4th wake-up allow switch K1-4, voltage-stabiliser tube W1, W2, W3, W4, voltage regulation resistance R11,
R12, R13, R14, current-limiting resistance R21, R22, R23, R24, R25, R26, R27, R28, triode M1, M2, M3, M4；
First wake-up allows the one end switch K1-1 by the first voltage-stabiliser tube W1 connection bus, and the other end passes through voltage regulation resistance
R11 ground connection；First wake-up allows switch K1-1 and the tie point of voltage regulation resistance R11 to be denoted as first node；
Second wake-up allows switch K1-2, and one end passes through voltage regulation resistance by the second voltage-stabiliser tube W2 connection bus, the other end
R12 ground connection；First wake-up allows switch K1-2 and the tie point of voltage regulation resistance R12 to be denoted as second node；
Third wake-up allows the one end switch K1-3 by third voltage-stabiliser tube W3 connection bus, and the other end passes through voltage regulation resistance
R13 ground connection；First wake-up allows switch K1-3 and the tie point of voltage regulation resistance R13 to be denoted as third node；
Third wake-up allows switch K1-4, and one end passes through voltage regulation resistance by the 4th voltage-stabiliser tube W4 connection bus, the other end
R14 ground connection；First wake-up allows switch K1-4 and the tie point of voltage regulation resistance R14 to be denoted as fourth node；
The base stage of triode M1 and M3 pass through current-limiting resistance R22 and current-limiting resistance R25 ground connection respectively；Meanwhile triode M1
Base stage also pass through current-limiting resistance R21 connection first node；The base stage of triode M3 also passes through current-limiting resistance R26 the second section of connection
Point；First node is connected with second node；The collector of triode M1 and M3 connect one end of temperature relay jointly；Triode
The collector of the emitter connecting triode M2 of M1；The collector of the emitter connecting triode M4 of triode M3；
The base stage of triode M2 and M4 pass through current-limiting resistance R24 and current-limiting resistance R28 ground connection respectively；Meanwhile triode M2
Base stage also pass through current-limiting resistance R23 connection third node；The base stage of triode M4 also passes through Section four of current-limiting resistance R27 connection
Point；Third node is connected with fourth node；The emitter of triode M2 and M4 are grounded jointly.
It further includes diode D1-1, D1-2, D1-3, D1-4, diode that the Mars probes, which independently wake up control system,
The anode of D1-1 connects first node, and negative terminal connects resistance R21；The anode of diode D1-2 connects second node, negative terminal connection
Resistance R26；The anode of diode D1-3 connects third node, and negative terminal connects resistance R23；The anode connection the 4th of diode D1-4
Node, negative terminal connect resistance R27.
The electric discharge includes the first pulse trigger, diode D2-1, diode D2- with bus switching switch wake-up circuit
2, the 5th wake-up, which allows switch K1-5, the 6th to wake up, allows switch K1-6, the first driving circuit, resistance R31, R32, R33, R34；
First pulse trigger input terminal connects the output end of power module, and the output end of the first pulse trigger is divided into two
Road, waken up by diode D2-1 connection the 5th allows one end of switch K1-5 all the way, and the 5th wake-up allows that switch K1-5's is another
One end is connected in parallel resistance R31, R32, and resistance R31, R32 connect the first driving circuit；Another way is connected by diode D2-2
6th wakes up the one end for allowing switch K1-6, and the 6th wake-up allows the other end of switch K1-6 to be connected in parallel resistance R33, R34 extremely
First driving circuit；The work of first pulse trigger, generates pulse signal, through the first driving circuit, exports two-way low level letter
Number, respectively as discharge switch wake-up signal and bus switching switch wake-up signal.
The electric discharge further includes the second pulse trigger, diode D2-3, D2-4 with bus switching switch wake-up circuit, the
Two pulse triggers and the first pulse trigger constitute redundancy backup, the second pulse trigger input terminal and the first pulse trigger
It is connected in parallel the output end of power module, output end is divided into two-way, connects all the way by the way that diode D2-3 is in parallel with diode D2-1
Connecing the 5th wake-up allows switch K1-5；Another way, which is connected in parallel the 6th wake-up by diode D2-4 and diode D2-2, to be allowed out
Close K1-6.
It further includes the second driving circuit that the Mars probes, which independently wake up control system, and the second driving circuit and first drive
Dynamic circuit constitutes redundancy backup, and the 5th wakes up the other end for allowing switch K1-5 while being connected in parallel resistance R35, R36, resistance
R35, R36 connect the second driving circuit；6th wakes up the other end for allowing switch K1-6 while being connected in parallel resistance R37, R38,
Resistance R37, R38 connect the second driving circuit；Second driving circuit exports two-way low level signal, the two-way low level signal point
It is not in parallel with the first driving circuit output two-way low level signal, it obtains discharge switch wake-up signal and bus switching switch wakes up
Signal.
The switch of the power supply module wakes up line packet Kd and is connected to bus by three terminal regulator.
The wake-up line packet of the discharge switch K2 is connected to bus by three terminal regulator.
The wake-up line packet of the bus switching switch K4 is connected to bus by three terminal regulator.
The temperature relay selects the Contact Sensor temperature relay of two strings two and mode.
Another technical solution of the invention is: a kind of autonomous wake-up control method of Mars probes, this method packet
Include following steps:
Step 1: solar battery array is supplied to battery group by suspend mode power supply branch output power and heats after going out fiery night
Band；
Step 2: busbar voltage increases as sun battle array output power incrementally increases, reach after waking up thresholding, power supply mould
Block switchs wake-up circuit work, and out-put supply switchs wake-up signal to temperature relay；Temperature relay is in an off state；
Step 3: battery group temperature is stepped up as solar battery array output power increases, reach battery group work
After making temperature, temperature relay turn on automatically, power switch wake-up signal driving power module switch kd movement, by power module
Bus is accessed, while heating tape being cut off；
Step 4: power module works, working power is generated, working power is through electric discharge and bus switching switch wake-up circuit
Discharge switch wake-up signal and bus switching switch wake-up signal are generated, discharge switch wake-up signal and bus switching switch wake up
Signal respectively drives discharge switch and the automatic closure of bus switching switch, and completion is autonomous to be waken up, and whole device energy power supply is normal.
Compared with the prior art, the invention has the advantages that:
(1), the present invention is using suspend mode power supply branch and MPPT circuit, solve MPPT circuit power module not it is electric under
Sun battle array power output access problems；
(2), the present invention uses MPPT circuit, realizes solar battery array MPPT maximum power point tracking function.In martian surface
During work, due to by the Mars environments such as temperature, light intensity, atmosphere, dust act on, solar battery array output power will by compared with
Big to influence, MPPT circuit utilizes solar battery array output power to greatest extent, reduces the long-pending electric discharge with battery of sun front
Depth alleviates the weight of power supply, extends the service life of battery.
(3), the first pulse trigger and the second pulse trigger of the invention are Retargetable compiler monostable flipflop, using height
The connection of reliability parallel way, the first driving circuit and the second driving circuit decode output driving circuit using dual redundant, and adopt
It is connected with high reliability parallel way, improves the reliability of discharge switch wake-up signal and bus switching switch wake-up signal.
(4), bus switching switch wake-up signal of the present invention, discharge switch wake-up signal and bus switching switch wake-up signal
It is connected using three terminal regulator and wakes up line packet, prevented wake-up moment busbar voltage from increasing, lead to relay line packet over-voltage phenomenon.
(5), temperature relay of the present invention is protected using the string of high reliability two two and the Contact Sensor temperature relay of mode
The operating temperature of battery after wake-up condition meets is demonstrate,proved.
Detailed description of the invention
Fig. 1 is that Mars probes of the present invention independently wake up circuit diagram after control system suspend mode；
Fig. 2 is that Mars probes of the present invention independently wake up circuit diagram after control system wakes up.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, the present invention provides a kind of Mars probes independently to wake up control system, which includes sun electricity
Pond battle array 1, MPPT circuit 2, suspend mode power supply branch 3, battery group 4, power module 5, heating tape 6, temperature relay 7, power supply mould
Block switch wake-up circuit 8, electric discharge switch switch wake-up circuit 11 with bus, switch of the power supply module Kd, bus switching switch K4, put
Electric switch K2；Heating tape 6 and temperature relay 7 are attached on battery group monomer.
1 one end of solar battery array ground connection, the other end connect MPPT circuit 2 and suspend mode and power branch 3, MPPT circuit 2 it is another
One end connects bus；4 one end of battery group ground connection, the other end are connected to bus by discharge switch K212；Bus switching switch
K413 is single-ended commutator, and non-moving end connects bus, and connection suspend mode power supply circuit 3, or the company of may be selected may be selected in moved end
Connect bus output end；Switch of the power supply module Kd14 is also single-ended commutator, and non-moving end is connected to bus, and moved end may be selected to connect
Heating tape 6 is connect, or connection power module 5 may be selected, the connection of power module 5 electric discharge and bus switching switch wake-up circuit 11,
Electric discharge, for generating discharge switch wake-up signal and bus switching switch wake-up signal, is put with bus switching switch wake-up circuit 11
Electric switch wake-up signal connects the wake-up line packet of discharge switch K212, and the wake-up line packet of discharge switch K212 passes through three terminal regulator
It is connected to bus；The wake-up line packet of bus switching switch wake-up signal connection bus switching switch K413, bus switching switch
The wake-up line packet of K413 is connected to bus by three terminal regulator；8 one end of switch of the power supply module wake-up circuit connects bus, separately
One end connects temperature relay, for generating out-put supply module switch wake-up signal to temperature relay 7, temperature relay 7
Other end connection switch of the power supply module kd14 wake-up line packet, the wake-up line packet of switch of the power supply module kd14 passes through three-terminal voltage-stabilizing
Device is connected to bus.
The switch of the power supply module wake-up circuit 8 includes that the first wake-up allows switch K1-1, the second wake-up to allow switch K1-
2, third wake-up allow switch K1-3, the 4th wake-up allow switch K1-4, voltage-stabiliser tube W1, W2, W3, W4, voltage regulation resistance R11,
R12, R13, R14, current-limiting resistance R21, R22, R23, R24, R25, R26, R27, R28, triode M1, M2, M3, M4；
First wake-up allows the one end switch K1-1 by the first voltage-stabiliser tube W1 connection bus, and the other end passes through voltage regulation resistance
R11 ground connection；First wake-up allows switch K1-1 and the tie point of voltage regulation resistance R11 to be denoted as first node；
Second wake-up allows switch K1-2, and one end passes through voltage regulation resistance by the second voltage-stabiliser tube W2 connection bus, the other end
R12 ground connection；First wake-up allows switch K1-2 and the tie point of voltage regulation resistance R12 to be denoted as second node；
Third wake-up allows the one end switch K1-3 by third voltage-stabiliser tube W3 connection bus, and the other end passes through voltage regulation resistance
R13 ground connection；First wake-up allows switch K1-3 and the tie point of voltage regulation resistance R13 to be denoted as third node；
Third wake-up allows switch K1-4, and one end passes through voltage regulation resistance by the 4th voltage-stabiliser tube W4 connection bus, the other end
R14 ground connection；First wake-up allows switch K1-4 and the tie point of voltage regulation resistance R14 to be denoted as fourth node；
The base stage of triode M1 and M3 pass through current-limiting resistance R22 and current-limiting resistance R25 ground connection respectively；Meanwhile triode M1
Base stage also pass through current-limiting resistance R21 connection first node；The base stage of triode M3 also passes through current-limiting resistance R26 the second section of connection
Point；First node is connected with second node；The collector of triode M1 and M3 connect one end of temperature relay 7 jointly；Three poles
The collector of the emitter connecting triode M2 of pipe M1；The collector of the emitter connecting triode M4 of triode M3；
The base stage of triode M2 and M4 pass through current-limiting resistance R24 and current-limiting resistance R28 ground connection respectively；Meanwhile triode M2
Base stage also pass through current-limiting resistance R23 connection third node；The base stage of triode M4 also passes through Section four of current-limiting resistance R27 connection
Point；Third node is connected with fourth node；The emitter of triode M2 and M4 are grounded jointly.
Scheme as a further preference, the switch of the power supply module wake-up circuit 8 further include diode D1-1, D1-2,
D1-3, D1-4, the anode of diode D1-1 connect first node, and negative terminal connects resistance R21；The anode connection the of diode D1-2
Two nodes, negative terminal connect resistance R26；The anode of diode D1-3 connects third node, and negative terminal connects resistance R23；Diode D1-
4 anode connects fourth node, and negative terminal connects resistance R27.
The electric discharge includes the first pulse trigger, diode D2-1, diode with bus switching switch wake-up circuit 11
D2-2, the 5th wake up allow switch K1-5, the 6th wake-up allow switch K1-6, the first driving circuit, resistance R31, R32, R33,
R34；
First pulse trigger 9-1 input terminal connects the output end of power module, the output end of the first pulse trigger 9-1
It is divided into two-way, wakes up the one end for allowing switch K1-5 by diode D2-1 connection the 5th all the way, the 5th wake-up allows switch K1-
5 other end is connected in parallel resistance R31, R32, and resistance R31, R32 connect the first driving circuit 10；Another way passes through diode
D2-2 connection the 6th wakes up the one end for allowing switch K1-6, and the 6th wake-up allows the other end of switch K1-6 to be connected in parallel resistance
R33, R34 are to the first driving circuit；First pulse trigger 9-1 work, generates pulse signal, exports through the first driving circuit 10
Two-way low level signal, respectively as discharge switch wake-up signal and bus switching switch wake-up signal.
Scheme as a further preference, the electric discharge further include the second pulse touching with bus switching switch wake-up circuit 11
Device, diode D2-3, D2-4 are sent out, the second pulse trigger 9-2 and the first pulse trigger 9-1 constitute redundancy backup, the second arteries and veins
It rushing trigger 9-2 input terminal and the first pulse trigger 9-1 is connected in parallel the output end of power module, output end is divided into two-way,
Being connected in parallel the 5th wake-up by diode D2-3 and diode D2-1 all the way allows switch K1-5；Another way passes through diode
D2-4 and diode D2-2, which is connected in parallel the 6th wake-up, allows switch K1-6.
Scheme as a further preference, the electric discharge further include the second driving electricity with bus switching switch wake-up circuit 11
Road, the second driving circuit and the first driving circuit constitute redundancy backup, and the 5th wakes up the other end for allowing switch K1-5 while simultaneously
Connection connection resistance R35, R36, resistance R35, R36 connect the second driving circuit；6th wake-up allows the other end of switch K1-6 same
When be connected in parallel resistance R37, R38, resistance R37, R38 connect the second driving circuit；Second driving circuit exports two-way low level
Signal, the two-way low level signal is in parallel with the first driving circuit output two-way low level signal respectively, obtains discharge switch and calls out
Awake signal and bus switching switch wake-up signal.
The working principle that above-mentioned Mars probes independently wake up control system is:
When Mars probes suspend mode, switch of the power supply module Kd14 connection heating tape 6, discharge switch K212, which is in, disconnects shape
State, the first wake-up, which allows switch K1-1, second to wake up, allows switch K1-2, third wake-up that switch K1-3, the 4th wake-up is allowed to permit
Perhaps in an ON state, temperature relay 7 is in an off state switch K1-4, and bus switches switch K4 13 for suspend mode power supply branch
Road 12 is connected to bus output end.
Out after fiery night, solar battery array 1 is supplied to battery group heating tape 6 by suspend mode power supply 3 output power of branch, adds
The torrid zone 6 passes through the connection of switch of the power supply module Kd 14 bus, as 1 output power of solar battery array incrementally increases, busbar voltage liter
Height reaches after waking up thresholding, and switch of the power supply module wake-up circuit 8 works, 8 out-put supply of switch of the power supply module wake-up circuit switch
Wake-up signal low level signal is to temperature relay 7；Temperature relay 7 is in an off state, with 1 output work of solar battery array
Rate increases, and battery group temperature is stepped up, after reaching battery group operating temperature, 7 turn on automatically of temperature relay, at this point,
Power switch wake-up signal low level signal driving power module switch kd 14 is acted, and power module 5 is accessed bus, simultaneously
Heating tape 6 is cut off, power module 5 works, and generates working power, generates through the first pulse trigger and the second pulse trigger
Pulse signal, the first pulse trigger and the second pulse trigger form two and circuit increases its reliability, output of pulse signal
After being isolated by isolating diode, after the 5th wakes up switch K1-5 and the 6th is allowed to wake up and allow switch K1-6, export to the
One drive circuit and the second driving circuit, the first driving circuit and the second driving circuit form two and circuit increases its reliability,
First driving circuit and the second drive circuit works export discharge switch wake-up signal and bus switching switch wake-up signal, institute
Stating discharge switch wake-up signal and bus switching switch wake-up signal is low level signal, while driving discharge switch 12 and bus
Switch switch 13 to act, battery group 4 is accessed bus by discharge switch 12, and bus switches switch 13 and cuts suspend mode power supply branch 3
It removes, busbar voltage connects bus output.1 power of solar battery array is exported through MPPT circuit 2 to bus, while to battery group 4
Autonomous wake-up is completed in charging, and whole device energy power supply is normal, can carry out tour detection mission.
In order to reach more preferably technical effect, the present invention additionally uses following technology:
(1), temperature relay ensure that and be called out using the string of high reliability two two and the Contact Sensor temperature relay of mode
The operating temperature of battery after the condition of waking up meets.
(2), the first pulse trigger and the second pulse trigger are Retargetable compiler monostable flipflop, using high reliability
Parallel way connection, improves the reliability of pulse generation.
(3), the first driving circuit and the second driving circuit are using dual redundant decoding output driving circuit, and use highly reliable
Property parallel way connection, improve discharge switch wake-up signal and bus switching switch wake-up signal reliability.
(4), switch of the power supply module wake-up signal, discharge switch wake-up signal and bus switching switch wake-up signal use three
It holds voltage-stablizer connection to wake up line packet, prevents wake-up moment busbar voltage from increasing, lead to relay line packet over-voltage phenomenon.
(5), the discharge switch uses the magnetic latching relay of high reliability parallel way.
(6), bus switching switch uses the magnetic latching relay of high reliability parallel way.
(7), the switch of the power supply module is using the string of high reliability two two and the magnetic latching relay of mode.
(8), in order to meet martian surface complex environment, sun battle array output power purpose is utilized to greatest extent, it is described
MPPT circuit uses solar battery array maximum power point tracking technology.
Control system is independently waken up based on above-mentioned Mars probes, the present invention provides a kind of Mars probes independently to wake up
Control method, method includes the following steps:
Step 1: solar battery array is supplied to battery group by suspend mode power supply branch output power and heats after going out fiery night
Band；
Step 2: busbar voltage increases as sun battle array output power incrementally increases, reach after waking up thresholding, power supply mould
Block switchs wake-up circuit 8 and works, and out-put supply switchs wake-up signal to temperature relay 7；Temperature relay 7, which is in, disconnects shape
State；
Step 3: battery group temperature is stepped up as 1 output power of solar battery array increases, reach battery group
After operating temperature, temperature relay turn on automatically, power switch wake-up signal driving power module switch 14 is acted, by power supply mould
Block 5 accesses bus, while heating tape 6 being cut off；
Step 4: power module 5 works, working power is generated, working power wakes up electricity through electric discharge and bus switching switch
Road 11 generates discharge switch wake-up signal and bus switching switch wake-up signal, discharge switch wake-up signal and bus switching switch
Wake-up signal respectively drives discharge switch and the automatic closure of bus switching switch, and completion is autonomous to be waken up, and whole device energy power supply is normal.
The Mars probes that the present invention uses independently wake up control system, realize in-orbit from master control under Mars complex environment
System, solve wake-up condition satisfaction after battery temp it is low can not effectively charge and discharge influence, solve MPPT circuit in power supply
Module not electric lower sun battle array power output access problems, ensure that wake up the moment actuating of relay be not in impacting with high pressure,
The reliability and safety of Mars probes operation on orbit being improved, and structure is simple, high reliablity, Project Realization is easy,
There is very important application value in space flight deep-space detection field.
Although the contents of the present invention are discussed in detail through the foregoing embodiment, but it should be appreciated that the description above
It is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention a variety of
Modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (11)
1. a kind of Mars probes independently wake up control system, it is characterised in that including solar battery array (1), MPPT circuit (2),
Suspend mode power supply branch (3), battery group (4), power module (5), heating tape (6), temperature relay (7), switch of the power supply module
Wake-up circuit (8), electric discharge and bus switching switch wake-up circuit (11), switch of the power supply module Kd, bus switching switch K4, electric discharge
Switch K2；Heating tape (6) and temperature relay (7) are attached on battery group monomer；
Solar battery array (1) one end ground connection, the other end connect MPPT circuit (2) and suspend mode power supply branch (3), MPPT circuit (2)
The other end connect bus；Battery group (4) one end ground connection, the other end are connected to bus by discharge switch K2 (12)；Bus
Switching switch K4 (13) is single-ended commutator, and non-moving end connects bus, and connection suspend mode power supply circuit (3) may be selected in moved end,
Or connection bus output end may be selected；Switch of the power supply module Kd (14) is also single-ended commutator, and non-moving end is connected to mother
Connection heating tape (6), or optional connection power module (5), power module (5) connection electric discharge and mother may be selected in line, moved end
Line switching switch wake-up circuit (11), bus switching switch wake-up circuit (11) is for generating discharge switch wake-up signal and bus
Switching switch wake-up signal, discharge switch wake-up signal connect the wake-up line packet of discharge switch K2 (12), connect discharge switch K2
(12) wake-up line packet is connected to bus by three terminal regulator；Bus switching switch wake-up signal connection bus switches switch K4
(13) the wake-up line packet of wake-up line packet, bus switching switch K4 (13) is connected to bus by three terminal regulator；Power module
It switchs wake-up circuit (8) one end and connects bus, the other end connects temperature relay, calls out for generating out-put supply module switch
Signal wake up to temperature relay (7), the other end of temperature relay (7) connects the wake-up line packet of switch of the power supply module kd (14),
The wake-up line packet of switch of the power supply module kd (14) is connected to bus by three terminal regulator.
2. a kind of Mars probes according to claim 1 independently wake up control system, it is characterised in that the power supply mould
Block switch wake-up circuit (8) includes that the first wake-up allows switch K1-1, the second wake-up that switch K1-2, third wake-up is allowed to allow out
Close K1-3, the 4th wake-up allows switch K1-4, voltage-stabiliser tube W1, W2, W3, W4, voltage regulation resistance R11, R12, R13, R14, current limliting electricity
Hinder R21, R22, R23, R24, R25, R26, R27, R28, triode M1, M2, M3, M4；
First wake-up allows the one end switch K1-1 by the first voltage-stabiliser tube W1 connection bus, and the other end is connect by voltage regulation resistance R11
Ground；First wake-up allows switch K1-1 and the tie point of voltage regulation resistance R11 to be denoted as first node；
Second wake-up allows switch K1-2, and one end is connect by the second voltage-stabiliser tube W2 connection bus, the other end by voltage regulation resistance R12
Ground；First wake-up allows switch K1-2 and the tie point of voltage regulation resistance R12 to be denoted as second node；
Third wake-up allows the one end switch K1-3 by third voltage-stabiliser tube W3 connection bus, and the other end is connect by voltage regulation resistance R13
Ground；First wake-up allows switch K1-3 and the tie point of voltage regulation resistance R13 to be denoted as third node；
Third wake-up allows switch K1-4, and one end is connect by the 4th voltage-stabiliser tube W4 connection bus, the other end by voltage regulation resistance R14
Ground；First wake-up allows switch K1-4 and the tie point of voltage regulation resistance R14 to be denoted as fourth node；
The base stage of triode M1 and M3 pass through current-limiting resistance R22 and current-limiting resistance R25 ground connection respectively；Meanwhile the base of triode M1
Pole also passes through current-limiting resistance R21 connection first node；The base stage of triode M3 also passes through current-limiting resistance R26 connection second node；
First node is connected with second node；The collector of triode M1 and M3 connect one end of temperature relay (7) jointly；Triode
The collector of the emitter connecting triode M2 of M1；The collector of the emitter connecting triode M4 of triode M3；
The base stage of triode M2 and M4 pass through current-limiting resistance R24 and current-limiting resistance R28 ground connection respectively；Meanwhile the base of triode M2
Pole also passes through current-limiting resistance R23 connection third node；The base stage of triode M4 also passes through current-limiting resistance R27 connection fourth node；
Third node is connected with fourth node；The emitter of triode M2 and M4 are grounded jointly.
3. a kind of Mars probes according to claim 2 independently wake up control system, it is characterised in that further include two poles
Pipe D1-1, D1-2, D1-3, D1-4, the anode of diode D1-1 connect first node, and negative terminal connects resistance R21；Diode D1-2
Anode connect second node, negative terminal connect resistance R26；The anode of diode D1-3 connects third node, and negative terminal connects resistance
R23；The anode of diode D1-4 connects fourth node, and negative terminal connects resistance R27.
4. a kind of Mars probes according to claim 1 independently wake up control system, it is characterised in that it is described electric discharge with
Bus switching switch wake-up circuit wakes up including the first pulse trigger, diode D2-1, diode D2-2, the 5th to be allowed to switch
K1-5, the 6th, which wake up, allows switch K1-6, the first driving circuit, resistance R31, R32, R33, R34；
First pulse trigger (9-1) input terminal connects the output end of power module, the output end of the first pulse trigger (9-1)
It is divided into two-way, wakes up the one end for allowing switch K1-5 by diode D2-1 connection the 5th all the way, the 5th wake-up allows switch K1-
5 other end is connected in parallel resistance R31, R32, and resistance R31, R32 connect the first driving circuit (10-1)；Another way passes through two poles
Pipe D2-2 connection the 6th wakes up the one end for allowing switch K1-6, and the 6th wake-up allows the other end of switch K1-6 to be connected in parallel resistance
R33, R34 are to the first driving circuit (10-1)；First pulse trigger (9-1) work, generates pulse signal, through the first driving electricity
Road (10-1) exports two-way low level signal, respectively as discharge switch wake-up signal and bus switching switch wake-up signal.
5. a kind of Mars probes according to claim 1 independently wake up control system, it is characterised in that it is described electric discharge with
Bus switching switch wake-up circuit (11) further includes the second pulse trigger (9-2), diode D2-3, D2-4, the second pulse touching
It sends out device (9-2) and the first pulse trigger (9-1) and constitutes redundancy backup, the second pulse trigger (9-2) input terminal and the first arteries and veins
The output end that trigger (9-1) is connected in parallel power module is rushed, output end is divided into two-way, passes through diode D2-3 and two poles all the way
Pipe D2-1, which is connected in parallel the 5th wake-up, allows switch K1-5；Another way is connected in parallel the by diode D2-4 and diode D2-2
Six wake-ups allow switch K1-6.
6. a kind of Mars probes according to claim 1 independently wake up control system, it is characterised in that further include second
Driving circuit (10-2), the second driving circuit (10-2) and the first driving circuit constitute redundancy backup, and the 5th wake-up allows to switch
The other end of K1-5 is connected in parallel resistance R35, R36 simultaneously, and resistance R35, R36 connect the second driving circuit (10-2)；6th calls out
Waking up allows the other end of switch K1-6 while being connected in parallel resistance R37, R38, and resistance R37, R38 connect the second driving circuit (10-
2)；Second driving circuit (10-2) export two-way low level signal, the two-way low level signal respectively with the first driving circuit
(10-1) exports the parallel connection of two-way low level signal, obtains discharge switch wake-up signal and bus switching switch wake-up signal.
7. Mars probes according to claim 1 independently wake up control system, which is characterized in that the power module
Switch wakes up line packet Kd and is connected to bus by three terminal regulator.
8. Mars probes according to claim 1 independently wake up control system, which is characterized in that the discharge switch
The wake-up line packet of K2 is connected to bus by three terminal regulator.
9. Mars probes according to claim 1 independently wake up control system, which is characterized in that the bus switching
The wake-up line packet of switch K4 is connected to bus by three terminal regulator.
10. Mars probes according to claim 1 independently wake up control system, which is characterized in that the temperature after
Electric appliance (7) selects the Contact Sensor temperature relay of two strings two and mode.
11. the autonomous wake-up control method of a kind of Mars probes based on system described in claim 1, this method include following step
It is rapid:
Step 1: solar battery array is supplied to battery group heating tape by suspend mode power supply branch output power after going out fiery night；
Step 2: busbar voltage increases as sun battle array output power incrementally increases, reach after waking up thresholding, power module is opened
Wake-up circuit (8) work is closed, out-put supply switchs wake-up signal to temperature relay (7)；Temperature relay (7), which is in, disconnects shape
State；
Step 3: battery group temperature is stepped up as solar battery array (1) output power increases, reach battery group work
After making temperature, temperature relay turn on automatically, power switch wake-up signal driving power module switch kd (14) movement, by power supply
Module (5) accesses bus, while heating tape (6) being cut off；
Step 4: power module (5) works, working power is generated, working power is through electric discharge and bus switching switch wake-up circuit
(11) discharge switch wake-up signal and bus switching switch wake-up signal, discharge switch wake-up signal and bus switching switch are generated
Wake-up signal respectively drives discharge switch and the automatic closure of bus switching switch, and completion is autonomous to be waken up, and whole device energy power supply is normal.
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