CN106483880A - A kind of Control System for Reusable Launch Vehicle priming system protection circuit - Google Patents
A kind of Control System for Reusable Launch Vehicle priming system protection circuit Download PDFInfo
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- CN106483880A CN106483880A CN201610844703.1A CN201610844703A CN106483880A CN 106483880 A CN106483880 A CN 106483880A CN 201610844703 A CN201610844703 A CN 201610844703A CN 106483880 A CN106483880 A CN 106483880A
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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
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Abstract
The invention discloses a kind of Control System for Reusable Launch Vehicle priming system protection circuit, belongs to spacecraft priming system protecting circuit designed field.The circuit includes that solution protection control circuit, priming system solution protect protection circuit on ground solution protection control circuit, device, achieve the short-circuit protection of priming system by way of using the series connection of magnetic latching relay normally-closed contact；Conciliate guarantor by the short-circuit protection of priming system circuit is realized using program control on remote control, device or ground control mode, it is achieved that protection on demand and the purpose for solving guarantor on demand of priming system；By choose all a pair of normally-closed contacts of magnetic latching relay in series with a resistor and in parallel with normally opened contact thereon then by all sections in series by way of, it is achieved that one is detected that circuit completes the purpose of whole priming system circuit protection state-detection.The circuit is simple, reliable, may be applied not only to Reusable Launch Vehicles, applies also for orbital re-entry vehicle, can also promote the use of in other aerospace craft models or project.
Description
Technical field
The present invention relates to a kind of Control System for Reusable Launch Vehicle priming system protection circuit, belongs to spacecraft priming system protection circuit
Design field.
Background technology
Priming system is the class significant components for being related to many subsystems of space launch vehicle, and whether its normal work directly affects
Realization to vehicle task object.Particularly for Reusable Launch Vehicles, need to experience the ground segment, ascent stage, in-orbit
The various aerial mission stage rugged environment conditions such as target phase, reentry return section, cause electric spark workpiece in complicated power, heat
And electromagnetism and space environment.Different from traditional vehicle, reuse delivery also needs to realization and reenters return and detection of landing, and needs
Guarantee not detonate after vehicle lands the safety and reliability of priming system, and this is just proposed to the security reliability of priming system
Higher requirement.
Traditional vehicle is typically protected by the way of priming system short circuit plug direct short-circuit priming system bridge wire resistance,
Pulling out short-circuit protection lid before vehicle takes off carries out solution guarantor, and at present, the model such as most rockets, guided missile, weapon, satellite is adopted
Priming system defencive function is realized in this way.Additionally, also having female using priming system short-circuit protection plug direct short-circuit priming system
The mode of line is protected, and equally, and is pulled out short-circuit protection lid before take-off and is carried out solution guarantor.In order to improve priming system further
The security for using, realizes closing on x time solution guarantor's priming system circuit, and people also proposed and be connected to the two ends of priming system
On two contacts of the device upper end of umbilical connector, short across realizing priming system by carrying out in umbilical connector ground surface end
Short-circuit protection, after the ground surface end of umbilical connector is separated with device upper end, release priming system short-circuit protection.Due to traditionally
Carrier rocket, guided missile etc. are single use aircraft, can ensure that, using said method, the security that ground uses, not again
Enter to return and duplicate detection and the demand for using after landing.And for Reusable Launch Vehicles, priming system should be met and sent out
The security that front ground uses is penetrated, will also be met and priming system safety in utilization after return is landed is reentered, meanwhile, it is also to be ensured that in-orbit
With the security of priming system in ablated configuration, therefore, priming system circuit that is new, meeting Reusable Launch Vehicles needs is studied short
Road guard method has important practical significance.
Content of the invention
The technology solve problem of the present invention is：Overcome prior art not enough, provide one kind priming system can be carried out by
Need the priming system protection circuit for Reusable Launch Vehicles that protects, solution is protected and detected on demand.
The technical solution of the present invention is：A kind of Control System for Reusable Launch Vehicle priming system protection circuit, the circuit include
On ground solution protection control circuit, device, solution protection control circuit, priming system solution protect protection circuit, ground power supply, ground solution
Protection control circuit and priming system solution are protected protection circuit and constitute ground priming system protective loop；Xie Baobao on power supply, device on device
Shield control circuit and priming system solution are protected protection circuit and constitute vehicle priming system protective loop on device, wherein,
Ground solution protection control circuit, receives land protection control instruction, by ground power supply cathode voltage signal output
The protection input of protection circuit is protected to priming system solution；Receive ground solution and control instruction is protected, by ground power supply cathode voltage signal
Export the solution for protection circuit being protected to priming system solution protect input；
On device, solution protection control circuit, receives remote control/programmed protection control instruction on vehicle, by ground power supply positive pole
Voltage signal exports the protection input for protecting protection circuit to priming system solution；On receiver, remote control/program control solution protects control instruction, will
Ground power supply cathode voltage signal output to priming system solution is protected the solution of protection circuit and protects input；
Priming system solution protects protection circuit, and protecting under input terminal voltage control in solution carries out open circuit control to n priming system bridge silk,
Release the short-circuit protection of n priming system；Fault control is carried out to priming system bridge silk under protection input terminal voltage control, realize n
The short-circuit protection of individual priming system.
The priming system solution protects protection circuit includes that solution protects input, protection input, 2n magnetic latching relay, and 2n is individual
The power-up coil negative terminal of magnetic latching relay and power-off coil negative terminal are all while be connected in parallel to power supply and ground power supply on device
Negative terminal, is connected in parallel to solution after the equal series resistance of the power-up coil anode of 2n magnetic latching relay and protects input, forms solution and protects
Circuit；Protection input is connected in parallel to after the equal series resistance of the power-off coil anode of 2n magnetic latching relay, forms protection
Circuit；Each two magnetic latching relay constitutes a priming system protection location, and each magnetic latching relay selects a pair normally closed to touch
Point, 2 pairs of normally-closed contacts are connected in series, and are then connected in parallel with corresponding priming system bridge silk.
Ground solution protection control circuit includes relay Kdp, Kdu, the normally opened contact Kdp.1 of relay Kdp with
The normally-closed contact Kdu.2 series connection of relay Kdu, constitutes land protection control circuit；The normally opened contact Kdu.1 of relay Kdu with
The normally-closed contact Kdp.2 series connection of relay Kdp, constitutes ground solution and protects control circuit.
On the device, solution protection control circuit includes relay Kp1, Kp2, Ku1, Ku2, relay Kp1 and relay
Two pairs of normally opened contacts of Kp2 are simultaneously connected in series, and then the normally-closed contact in parallel with two couple of relay Ku1 is connected, and constitute on device
Protection control circuit；Two pairs of normally-closed contacts of relay Ku1 and relay Ku2 are simultaneously connected in series, then two with relay Kp1
Normally opened contact in parallel is connected, is constituted solution on device and protects control circuit.
In ground solution protection control circuit or device, the protection control circuit output of solution protection control circuit is conciliate and protects control
Circuit output processed is connected respectively to diode cathode, and diode cathode is connected to priming system solution and protects protection circuit.
The circuit also includes to detect circuit that the detection circuit includes that solution is protected and detects circuit with protection detection circuit, device
And ground detection point, 2n magnetic holding of R2n and priming system protection arming circuit that solution guarantor is with protection detection circuit by R0, R1 ...
A pair of contact composition in relay in each relay, R0 are coupled to contact series with 2n, and wherein the normally closed of each pair contact is touched
Point and corresponding resistance Ri, i=1-2n series connection, then it is connected in parallel with normally opened contact；The two ends of Xie Baoyu protection detection circuit are same
When as test point and ground detection point on device.
Power Vcc on electric router, resistance Rv, Rv1, Rv2 and AD collector composition, resistance Rv and resistance is detected on device
Rv1 is connected in series, and its tie point is connected to test point on a device, the other end connection VCC of resistance Rv, the other end of resistance Rv1
Connection AD collector, RV2 one end connect AD collector, and the other end connects test point on another device, while test point on the device
Ground connection, the input impedance of the AD collector are far longer than the resistance of resistance Rv, Rv1, Rv2.
N+1 resistance selection in the detection circuit has the resistance of different resistances.
Compared with the prior art, the invention has the advantages that：
(1) present invention realizes priming system short circuit protection reconciliation guarantor using program control in remote control or device, it is achieved that priming system
Protection on demand and on demand solution protect, can not only provide priming system during ground maintenance, uses, transport, test etc. short-circuit guarantor
Shield, also can achieve the short-circuit protection of priming system in flight course, improves priming system safety in utilization.
(2) present invention carries out priming system protection shape from different valued resistor by the way of magnetic latching relay contact is connected
The method of state detection, can achieve the detection that a detection circuit once completes all priming system guard modes on device, improves inspection
Efficiency is surveyed, simplifies the design that priming system guard mode detects circuit.
(3) present invention adopts the priming system short-circuit protection circuit method for designing based on magnetic latching relay contact series, phase
The method that routine carries out priming system short-circuit protection using short circuit plug is compared, the design of cable system is on the one hand simplified, save
Mass of system；On the other hand, on ground and remote control and device program control carry out priming system short-circuit protection and solution protect by the way of, can
Effectively simplify operation, reduce because manually carrying out the risk that short circuit plug plug operation brings.
Description of the drawings
Fig. 1 is the protection of Control System for Reusable Launch Vehicle priming system and arming circuit figure；
Fig. 2 is the main inside connection diagram of priming system protection location.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is a kind of Control System for Reusable Launch Vehicle priming system protection circuit figure of the present invention.As shown in Figure 1.The protection circuit
Protection circuit and detection circuit are protected including solution protection control circuit, priming system solution on ground solution protection control circuit, device, its
In,
Ground solution protection control circuit, receives land protection control instruction, by ground power supply cathode voltage signal output
The protection input of protection circuit is protected to priming system solution；Receive ground solution and control instruction is protected, by ground power supply cathode voltage signal
Export the solution for protection circuit being protected to priming system solution protect input；
On device, solution protection control circuit, receives remote control/programmed protection control instruction on vehicle, by ground power supply positive pole
Voltage signal exports the protection input for protecting protection circuit to priming system solution；On receiver, remote control/program control solution protects control instruction, will
Ground power supply cathode voltage signal output to priming system solution is protected the solution of protection circuit and protects input；
Priming system solution protects protection circuit, and protecting under input terminal voltage control in solution carries out open circuit control to n priming system bridge silk,
Release the short-circuit protection of n priming system；Fault control is carried out to priming system bridge silk under protection input terminal voltage control, realize n
The short-circuit protection of individual priming system；
Ground power supply, ground solution protection control circuit and priming system solution are protected protection circuit composition ground priming system and are protected back
Road；On device, on power supply, device, solution protection control circuit and priming system solution are protected protection circuit and constitute vehicle priming system protection on device
Loop.The control of arming circuit and protection circuit is divided on device part and above ground portion, both of which can realize to arming circuit and
The control of protection circuit, is used according to the needs of task.
Detection circuit includes that solution is protected and detects circuit and ground detection point with protection detection circuit, device.Ground detection can
Measured by universal meter, for being not powered on state to priming system protection circuit state in the state of ground, particularly vehicle
Detected, on device, detection circuit is in order to carry out on-line checking to priming system protection circuit state in flight course.
Hereinafter various pieces are described in detail.
(1), priming system solution protects protection circuit
Priming system solution protect protection circuit include solution protect input, protection input, 2n magnetic latching relay (numbering K1～
K2n), power-up coil (x-ray circle) negative terminal of 2n magnetic latching relay and power-off coil (Y coil) negative terminal are all while be connected in parallel
The negative terminal of power supply and ground power supply to device, is connected in parallel to after the equal series resistance of the x-ray circle anode of 2n magnetic latching relay
Solution protects input, forms arming circuit；Protection is connected in parallel to after the equal series resistance of the Y coil anode of 2n magnetic latching relay
Input, forms protection circuit；Each two magnetic latching relay constitutes a priming system protection location, two magnetic latching relays
Respectively a pair of normally-closed contact (such as K1.1, K2.1) is selected, 2 pairs of normally-closed contacts are connected in series, then in parallel with priming system bridge silk
Connection, realizes the protection to priming system, as shown in Figure 2.
(2), ground solution protects protection control circuit
Ground solution protection control circuit includes relay Kdp, Kdu, the normally opened contact Kdp.1 of relay Kdp and relay
The normally-closed contact Kdu.2 series connection of device Kdu, constitutes land protection control circuit；The normally opened contact Kdu.1 of relay Kdu and relay
The normally-closed contact Kdp.2 series connection of device Kdp, constitutes ground solution and protects control circuit；Protection control circuit protects the mutual of control circuit with solution
Scold.The relay implements control by ground installation (by manually mode).
(3), on device, solution protects protection control circuit
On device, solution protection control circuit includes relay Kp1, Kp2, Ku1, Ku2, relay Kp1 and relay Kp2
Two pairs of normally opened contact connection in series-parallel connections, then the normally-closed contact in parallel with two couple of relay Ku1 is connected, and constitutes protection control on device
Circuit processed；Two pairs of normally-closed contact connection in series-parallel connections of relay Ku1 and relay Ku2, then in parallel with two couple of relay Kp1
Normally opened contact series connection, constitute device on solution protect control circuit；The relay implements control by stored program control system in remote control or device；
As the solution protection control circuit of ground, control circuit and solution is protected to protect the mutual exclusion of control circuit, and on device
Connected using two two pairs of normally opened contact connection in series-parallel, reliability is high, is difficult false triggering.
When protecting control to protect control with solution on device in order to avoid ground solution, the impact to other circuits of vehicle,
It is defeated that ground solution protects control circuit to conciliate guarantor's control circuit with the protection control circuit output of solution protection control circuit on device
Go out and diode cathode is connected respectively to, diode cathode is connected to priming system solution and protects protection circuit.
(4), circuit is detected
Detection circuit includes that solution is protected and detects circuit and three part of ground detection point with protection detection circuit, device.
Xie Baoyu protection detection circuit is by R0, R1 ... in R2n and priming system protection 2n magnetic latching relay of arming circuit
A pair of contact composition in each relay, R0 coupled to contact series with 2n, wherein the normally-closed contact of each pair contact with corresponding
Resistance Ri, i=1-2n series connection, then it is connected in parallel with normally opened contact；The two ends of Xie Baoyu protection detection circuit are used simultaneously as device
Upper test point and ground detection point.
Power Vcc on electric router, resistance Rv, Rv1, Rv2 and AD collector composition, resistance Rv and resistance is detected on device
Rv1 is connected in series, and its tie point is connected to test point on a device, the other end connection VCC of resistance Rv, the other end of resistance Rv1
Connection AD collector, RV2 one end connect AD collector, and the other end connects test point on another device, while test point on the device
Ground connection, the input impedance of the AD collector are far longer than the resistance of resistance Rv, Rv1, Rv2 (as tens of M Ω), resistance Rv1,
Rv2 is arranged to protect AD Acquisition Circuit, and being chosen as 1k Ω or so, resistance Rv need to protect and protection detection circuit according to solution
In total resistance value be designed, in order that the power supply of test point is prevented by subtle disruption signal close to VCC/2 on device
Impact, obtains more accurate testing result, and the resistance of general power taking resistance Rv is protected and total resistance in protection detection circuit with solution
Value equal, specifically need to be in conjunction with each model, project concrete condition depending on.
Ground detection can be measured using universal meter, for not adding off-position in the state of ground, particularly vehicle
Priming system protection circuit state is detected.
N+1 resistance in Xie Baoyu protection detection circuit is tried one's best resistance of the selection with different resistances, and makes to own
Resistance value sum is in the range of tens of kilo-ohms to hundreds of kilo-ohms
The operation principle of the present invention is：Using the contact of magnetic latching relay, using program control, remote control on ground control, device
Mode realize conciliating the short-circuit protection of priming system and protect control；Under the use state of ground, under vehicle is not added with electricity condition,
The short-circuit protection of priming system can be conciliate by ground control realization and protect control；And after vehicle power-up, particularly in flight
During, the short-circuit protection to priming system can be realized by program control on device or remote control mode and conciliates guarantor's control according to use demand,
It is achieved thereby that the purpose of guarantor and protection is protected and protected and repeat to solve to the solution on demand to priming system.
During ground detection, state is not powered in vehicle, solution can be protected and protection by ground detection point using universal meter
Resistance on detection circuit is measured, and priming system guard mode can be differentiated according to measurement result.Priming system protects shape
Under state, resistance value Rp that ground detection point measurement is obtained (has ensured that during design that the impedance of AD collecting part is protected and protection much larger than solution
2n+1 resistance sum in circuit, therefore, on device, detection part is protected to solution and detects that the impact of the resistance value on circuit can with protection
Ignore) be:
In formula, Rs is line resistance value.
Under solution guarantor's state, resistance value Ru that ground detection point measurement is obtained is：
Ru=Rs+R0 (2)
It is whether the value in formula (1) and formula (2) by the resistance for measuring ground detection point, you can judge fiery under the state of ground
Whether work product solution protects normal with guard mode.
After electricity on vehicle, particularly in flight course, solution can be protected and protection detection using circuit is detected on device
Partial pressure value on circuit is measured.Under priming system guard mode, if test point both end voltage is V on device1, then solution guarantor and protection
Detect that the resistance Rp on circuit is：
Under priming system solution guarantor's state, if test point both end voltage is V on device2, then solution is protected and protection detects the electricity on circuit
Hindering Ru is：
Whether identical with the resistance value of ground test according to resistance value on device, you can to judge on vehicle priming system solution after electricity
Protect whether normal with guard mode.The result of formula (3) need to be equal to the result of formula (1), and the result of formula (4) need to be equal to public affairs
The result of formula (2).
The simplification obtained according to the present invention or improved method, such as cancel control or/and detection part on device and only retain ground
Control and the method for detection part, also for example cancel control and detection part on ground control or/and detection part retaine
Method, also such as increase or decrease connection in series-parallel quantity (such as n priming system is designed) etc. using n magnetic latching relay
Deng belonging to protection scope of the present invention.
Unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.
Claims (8)
1. a kind of Control System for Reusable Launch Vehicle priming system protection circuit, it is characterised in that including ground solution protect protection control circuit,
On device, solution protection control circuit, priming system solution protect protection circuit, ground power supply, ground solution protection control circuit and priming system
Solution is protected protection circuit and constitutes ground priming system protective loop；On device, on power supply, device, solution protection control circuit and priming system solution are protected
Protection circuit constitutes vehicle priming system protective loop on device, wherein,
Ground solution protection control circuit, receives land protection control instruction, by ground power supply cathode voltage signal output to fire
Work product solution protects the protection input of protection circuit；Receive ground solution and control instruction is protected, by ground power supply cathode voltage signal output
The solution for protection circuit being protected to priming system solution protects input；
On device, solution protection control circuit, receives remote control/programmed protection control instruction on vehicle, by ground power supply cathode voltage
Signal output protects the protection input of protection circuit to priming system solution；On receiver, remote control/program control solution protects control instruction, by ground
Positive source voltage signal exports the solution for protecting protection circuit to priming system solution and protects input；
Priming system solution protects protection circuit, and protecting under input terminal voltage control in solution carries out open circuit control to n priming system bridge silk, releases
The short-circuit protection of n priming system；Fault control is carried out to priming system bridge silk under protection input terminal voltage control, realize n fire
The short-circuit protection of work product.
2. a kind of Control System for Reusable Launch Vehicle priming system protection circuit according to claim 1, it is characterised in that the fire
Work product solution protects protection circuit includes that solution protects input, protection input, 2n magnetic latching relay, 2n magnetic latching relay
Power-up coil negative terminal and power-off coil negative terminal are all while be connected in parallel to the negative terminal of power supply and ground power supply on device, 2n magnetic keeps
Solution is connected in parallel to after the equal series resistance of the power-up coil anode of relay and input is protected, form arming circuit；2n magnetic keeps
Protection input is connected in parallel to after the equal series resistance of the power-off coil anode of relay, forms protection circuit；Each two magnetic is protected
Hold relay and a priming system protection location is constituted, each magnetic latching relay selects a pair of normally-closed contact, 2 pairs of normally-closed contacts
It is connected in series, is then connected in parallel with corresponding priming system bridge silk.
3. a kind of Control System for Reusable Launch Vehicle priming system protection circuit according to claim 1, it is characterised in that describedly
Face solution protection control circuit includes relay Kdp, Kdu, and the normally opened contact Kdp.1 of relay Kdp is normally closed with relay Kdu
Contact Kdu.2 connects, and constitutes land protection control circuit；The normally opened contact Kdu.1 of relay Kdu is normally closed with relay Kdp
Contact Kdp.2 connects, and constitutes ground solution and protects control circuit.
4. a kind of Control System for Reusable Launch Vehicle priming system protection circuit according to claim 1, it is characterised in that the device
Upper solution protection control circuit includes relay Kp1, Kp2, Ku1, Ku2, and two couple of relay Kp1 and relay Kp2 is normally opened to be touched
Put and be connected in series, then the normally-closed contact in parallel with two couple of relay Ku1 is connected, constitute on device and protect control circuit；Continue
Two pairs of normally-closed contacts of electrical equipment Ku1 and relay Ku2 are simultaneously connected in series, and then in parallel with two couple of relay Kp1 normally opened touch
Point series connection, constitutes solution on device and protects control circuit.
5. a kind of Control System for Reusable Launch Vehicle priming system protection circuit according to claim 3 or 4, it is characterised in that ground
In solution guarantor protection control circuit or device, the protection control circuit output reconciliation of solution protection control circuit is protected control circuit output and is divided
Diode cathode is not connected to, and diode cathode is connected to priming system solution and protects protection circuit.
6. a kind of Control System for Reusable Launch Vehicle priming system protection circuit according to claim 1, it is characterised in that also include
Detection circuit, the detection circuit include that solution is protected and detect circuit and ground detection point, Xie Baoyu with protection detection circuit, device
Protection detection circuit is by R0, R1 ..., and R2n and priming system are protected in 2n magnetic latching relay of arming circuit in each relay
A pair of contact constitutes, and R0 is coupled to contact series with 2n, wherein the normally-closed contact of each pair contact and corresponding resistance Ri, i=1-2n
Series connection, is then connected in parallel with normally opened contact；The two ends of Xie Baoyu protection detection circuit are used simultaneously as test point and ground on device
Test point.
7. a kind of Control System for Reusable Launch Vehicle priming system protection circuit according to claim 6, it is characterised in that examine on device
Slowdown monitoring circuit is made up of power Vcc, resistance Rv, Rv1, Rv2 and AD collector on device, and resistance Rv and resistance Rv1 are connected in series, its company
Contact is connected to test point on a device, the other end connection AD collector of the other end connection VCC, the resistance Rv1 of resistance Rv, RV2
One end connects AD collector, and the other end connects test point on another device, while test point ground connection, the AD collector on the device
Input impedance be far longer than the resistance of resistance Rv, Rv1, Rv2.
8. a kind of Control System for Reusable Launch Vehicle priming system protection circuit according to claim 7, it is characterised in that the inspection
N+1 resistance selection in slowdown monitoring circuit has the resistance of different resistances.
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| CN201610844703.1A CN106483880B (en) | 2016-09-22 | 2016-09-22 | A kind of Control System for Reusable Launch Vehicle priming system protection circuit |
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| CN201610844703.1A CN106483880B (en) | 2016-09-22 | 2016-09-22 | A kind of Control System for Reusable Launch Vehicle priming system protection circuit |
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| CN107894539A (en) * | 2017-09-25 | 2018-04-10 | 上海卫星工程研究所 | The low current detection device of satellite priming system security testing process |
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| CN114111485A (en) * | 2021-10-29 | 2022-03-01 | 湖北三江航天红林探控有限公司 | Self-resetting electric detonator protection circuit structure and detonation device comprising same |
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| CN106483880B (en) | 2019-04-09 |
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