CN106483880B - 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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- CN106483880B CN106483880B CN201610844703.1A CN201610844703A CN106483880B CN 106483880 B CN106483880 B CN 106483880B CN 201610844703 A CN201610844703 A CN 201610844703A CN 106483880 B CN106483880 B CN 106483880B
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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 systems to protect circuit, belongs to spacecraft priming system protecting circuit designed field.The circuit includes ground solution protection control circuit, solution protection control circuit, priming system solution protect protection circuit on device, and the short-circuit protection of priming system is realized by using the concatenated mode of magnetic latching relay normally-closed contact；It realizes that the short-circuit protection reconciliation of priming system circuit is protected by using mode program-controlled or ground control on remote control, device, realizes the on-demand purpose protected and solution is protected on demand of priming system；Choose all magnetic latching relay a pair of normally-closed contacts it is in series with a resistor and in parallel with normally opened contact thereon, then by all sections in series by way of, realize the purpose that a detection circuit completes whole priming system circuit protection state-detections.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 systems to protect circuit, belongs to spacecraft priming system protection circuit
Design field.
Background technique
Priming system is to be related to a kind of significant components of many subsystems of space launch vehicle, is directly affected whether normal work
To the realization of vehicle task object.Especially for Reusable Launch Vehicles, need to undergo the ground segment, ascent stage, in-orbit
The various aerial mission stage rugged environment conditions such as target phase, reentry return section cause electric initiating explosive device to be in the power of complexity, heat
And electromagnetism and space environment.It is different from traditional vehicle, it reuses delivery and realization is also needed to reenter return and detection of landing, need
Ensure not detonate the safety and reliability of priming system after vehicle landing, this just proposes the security reliability of priming system
Higher requirement.
Traditional vehicle is generally protected by the way of priming system short circuit plug direct short-circuit priming system bridge wire resistance,
Short-circuit protection lid is pulled out before vehicle takes off and carries out solution guarantor, currently, the models such as most rockets, guided missile, weapon, satellite are adopted
Priming system defencive function is realized in this way.In addition, 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 further increase priming system
The safety used, realization close on emission time solution and protect priming system circuit, and people, which also proposed, is connected to the both ends of priming system
It is short across realization priming system by being carried out in umbilical connector ground surface end on two contacts of the device upper end of umbilical connector
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 disposable aircraft, can ensure that the safety that ground uses using the above method, without again
Enter return and repeats the demand for detecting with using after landing.And for Reusable Launch Vehicles, priming system should be met and sent out
The safety that preceding ground uses is penetrated, also to meet and reenter priming system safety in utilization after return is landed, meanwhile, it is also to be ensured that in-orbit
It is short therefore to study priming system circuit that is new, meeting Reusable Launch Vehicles needs with the safety of priming system in ablated configuration
Road guard method has important practical significance.
Summary of the invention
Technology of the invention solves the problems, such as: overcome the shortage of prior art, provide one kind can to priming system into carry out by
Protection, the priming system for Reusable Launch Vehicles that solution is protected and detected on demand is needed to protect circuit.
The technical solution of the invention is as follows: a kind of Control System for Reusable Launch Vehicle priming system protection circuit, the circuit include
Solution protection control circuit, priming system solution protection circuit, ground power supply, ground solution in ground solution protection control circuit, device
Protection control circuit and priming system solution protection circuit constitute ground priming system protective loop；Power supply on device, Xie Baobao on device
It protects control circuit and priming system solution protection circuit constitutes vehicle priming system protective loop on device, wherein
Ground solution protection control circuit, receives land protection control instruction, ground power supply cathode voltage signal is exported
To the protection input terminal of priming system solution protection circuit；It receives ground solution and protects control instruction, by ground power supply cathode voltage signal
It exports to the solution of priming system solution protection circuit and protects input terminal；
Solution protection control circuit, receives remote control/programmed protection control instruction on vehicle on device, by ground power supply anode
Voltage signal is exported to the protection input terminal of priming system solution protection circuit；Remote control/program-controlled solution protects control instruction on receiver, will
Ground power supply cathode voltage signal exports to the solution of priming system solution protection circuit and protects input terminal；
Priming system solution protection circuit carries out open circuit control to n priming system igniter wire in the case where solution protects input terminal voltage control,
Release the short-circuit protection of n priming system；Fault control is carried out to priming system igniter wire under protection input terminal voltage control, realizes n
The short-circuit protection of a priming system.
Priming system solution protection circuit includes solving to protect input terminal, protection input terminal, 2n magnetic latching relay, and 2n
The power-up coil negative terminal of magnetic latching relay and power-off coil negative terminal are connected in parallel to power supply and ground power supply on device simultaneously
Negative terminal is connected in parallel to solution after the equal series resistance of power-up coil anode of 2n magnetic latching relay and protects input terminal, forms solution and protects
Circuit；It is connected in parallel to protection input terminal after the equal series resistance of power-off coil anode of 2n magnetic latching relay, forms protection
Circuit；Every two magnetic latching relay constitutes a priming system protection location, each a pair of normally closed touching of magnetic latching relay selection
Point, 2 pairs of normally-closed contacts are connected in series, are then connected in parallel with corresponding priming system igniter wire.
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 of relay Kdu connects, and constitutes land protection control circuit；The normally opened contact Kdu.1 of relay Kdu with
The normally-closed contact Kdp.2 of relay Kdp connects, and constitutes ground solution and protects control circuit.
Solution protection control circuit includes relay Kp1, Kp2, Ku1, Ku2, relay Kp1 and relay on the device
Two pairs of normally opened contacts of Kp2 are simultaneously connected in series, and then connect with two pairs of normally-closed contacts in parallel of relay Ku1, constitute on device
Protect control circuit；Two pairs of normally-closed contacts of relay Ku1 and relay Ku2 are simultaneously connected in series, then with the two of relay Kp1
It connects to normally opened contact in parallel, constitutes solution on device and protect control circuit.
Control is protected in the protection control circuit output reconciliation of solution protection control circuit in ground solution protection control circuit or device
Circuit output processed is connected respectively to diode cathode, and diode cathode is connected to priming system solution protection circuit.
The circuit further includes detection circuit, and the detection circuit includes that solution is protected and detection circuit on protection detection circuit, device
And ground detection point, solution, which is protected, to be kept with protection detection circuit by R0, R1 ... R2n and priming system protection 2n magnetic of arming circuit
A pair of contact composition in relay in each relay, R0 couples contact series with 2n, wherein the normally closed touching of each pair of contact
It puts and corresponding resistance Ri, i=1-2n series connection, be then connected in parallel with normally opened contact；Xie Baoyu protects the both ends of detection circuit same
When be used as device on test point and ground detection point.
Detection circuit is made of power Vcc, resistance Rv, Rv1, Rv2 and AD collector on device on device, resistance Rv and resistance
Rv1 is connected in series, and tie point is connected to test point on a device, and the other end of resistance Rv connects VCC, the other end of resistance Rv1
AD collector is connected, the one end RV2 connects 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 value of resistance Rv, Rv1, Rv2.
N+1 resistance selection in the detection circuit has the resistance of different resistance values.
Compared with the prior art, the invention has the advantages that:
(1) present invention is protected using realization priming system short circuit protection reconciliation program-controlled on remote control or device, realizes priming system
On-demand protection and solution is protected on demand, not only can provide the priming system short circuit during ground maintenance, use, transport, test etc. and protect
Shield, can also be achieved 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 the concatenated mode of different valued resistors using magnetic latching relay contact
The method of state detection improves inspection, it can be achieved that a detection circuit once completes the detection of all priming system guard modes on device
Efficiency is surveyed, the design of priming system guard mode detection circuit is simplified.
(3) present invention uses the priming system short-circuit protection circuit design method based on magnetic latching relay contact series, phase
The conventional method for carrying out priming system short-circuit protection using short circuit plug is compared, the design of cable system is on the one hand simplified, is saved
Mass of system；It on the other hand, can in such a way that program-controlled progress priming system short-circuit protection and solution are protected on ground and remote control and device
Effectively simplify operation, reduces and carry out short circuit plug plug operation bring risk because artificial.
Detailed description of the invention
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 schematic 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 that a kind of Control System for Reusable Launch Vehicle priming system of the present invention protects circuit diagram.As shown in Figure 1.The protection circuit
Control circuit, priming system solution protection circuit and detection circuit are protected including solution on ground solution protection control circuit, device,
In,
Ground solution protection control circuit, receives land protection control instruction, ground power supply cathode voltage signal is exported
To the protection input terminal of priming system solution protection circuit；It receives ground solution and protects control instruction, by ground power supply cathode voltage signal
It exports to the solution of priming system solution protection circuit and protects input terminal；
Solution protection control circuit, receives remote control/programmed protection control instruction on vehicle on device, by ground power supply anode
Voltage signal is exported to the protection input terminal of priming system solution protection circuit；Remote control/program-controlled solution protects control instruction on receiver, will
Ground power supply cathode voltage signal exports to the solution of priming system solution protection circuit and protects input terminal；
Priming system solution protection circuit carries out open circuit control to n priming system igniter wire in the case where solution protects input terminal voltage control,
Release the short-circuit protection of n priming system；Fault control is carried out to priming system igniter wire under protection input terminal voltage control, realizes n
The short-circuit protection of a priming system；
Ground power supply, ground solution protection control circuit and priming system solution protection circuit constitute ground priming system and protect back
Road；Power supply on device, solution protection control circuit and priming system solution protection circuit constitute vehicle priming system protection on device on device
Circuit.The control of arming circuit and protection circuit is divided on device part and above ground portion, be both able to achieve to arming circuit and
Protect circuit control, according to the needs of task carry out using.
Detection circuit includes that solution is protected and detection circuit and ground detection point on protection detection circuit, device.Ground detection can
It is measured by multimeter, circuit state is protected to priming system for being not powered on state in the state of ground, particularly vehicle
It is detected, detection circuit is to carry out on-line checking to priming system protection circuit state in flight course on device.
It describes in detail below to various pieces.
(1), priming system solution protects protection circuit
Priming system solution protection circuit include solution protect input terminal, protection input terminal, 2n magnetic latching relay (number K1~
K2n), power-up coil (x-ray circle) negative terminal of 2n magnetic latching relay and power-off coil (Y coil) negative terminal are connected in parallel simultaneously
The negative terminal of power supply and ground power supply on to device is connected in parallel to after the equal series resistance of x-ray circle anode of 2n magnetic latching relay
Solution protects input terminal, forms arming circuit；Protection is connected in parallel to after the equal series resistance of Y coil anode of 2n magnetic latching relay
Input terminal forms protection circuit；Every two magnetic latching relay constitutes a priming system protection location, two magnetic latching relays
Each to select a pair of of normally-closed contact (such as K1.1, K2.1), which is connected in series, then in parallel with priming system igniter wire
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 and relay of relay Kdp
The normally-closed contact Kdu.2 of device Kdu connects, and constitutes land protection control circuit；The normally opened contact Kdu.1 and relay of relay Kdu
The normally-closed contact Kdp.2 of device Kdp connects, and constitutes ground solution and protects control circuit；Control circuit is protected to protect the mutual of control circuit with solution
Reprimand.The relay is implemented to control by ground installation (passing through manually mode).
(3), solution protects protection control circuit on device
Solution protection control circuit includes relay Kp1, Kp2, Ku1, Ku2, relay Kp1 and relay Kp2 on device
Two pairs of normally opened contacts connect in series and parallel, then connect with two pairs of normally-closed contacts in parallel of relay Ku1, constitute and protect control on device
Circuit processed；Two pairs of normally-closed contacts of relay Ku1 and relay Ku2 connect in series and parallel, then in parallel with two pairs 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 solving protection control circuit with ground, protection control circuit protects the mutual exclusion of control circuit with solution, and on device
It is connected in series and parallel using two two pairs of normally opened contacts, high reliablity is not easy false triggering.
When solving solution protection control in protection control and device in order to avoid ground, influence to other circuits of vehicle,
It is defeated that control circuit is protected in the protection control circuit output reconciliation of ground solution protection control circuit and solution protection control circuit on device
It is connected respectively to diode cathode out, diode cathode is connected to priming system solution protection circuit.
(4), detection circuit
Detection circuit includes that solution is protected and detection circuit and ground detection point three parts on protection detection circuit, device.
Xie Baoyu protects detection circuit to be protected in 2n magnetic latching relay of arming circuit by R0, R1 ... R2n and priming system
A pair of contact composition in each relay, R0 couples contact series with 2n, wherein the normally-closed contact of each pair of contact with it is corresponding
Resistance Ri, i=1-2n series connection, be then connected in parallel with normally opened contact；The both ends of Xie Baoyu protection detection circuit are used as device simultaneously
Upper test point and ground detection point.
Detection circuit is made of power Vcc, resistance Rv, Rv1, Rv2 and AD collector on device on device, resistance Rv and resistance
Rv1 is connected in series, and tie point is connected to test point on a device, and the other end of resistance Rv connects VCC, the other end of resistance Rv1
AD collector is connected, the one end RV2 connects 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 value of resistance Rv, Rv1, Rv2 (such as tens of M Ω), resistance Rv1,
Rv2 is arranged to protect AD Acquisition Circuit, and 1k Ω or so is chosen as, and resistance Rv need to be protected and protection detection circuit according to solution
In total resistance value be designed, in order to make the power supply of test point on device close to VCC/2, prevent by subtle disruption signal
It influences, obtains more accurate testing result, the resistance value of resistance Rv and solution is generally taken to protect and resistance total in protection detection circuit
Be worth it is equal, specifically need to be in conjunction with each model, depending on project concrete condition.
Ground detection can be used multimeter and measure, 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 selects the resistance with different resistance values as far as possible, and makes to own
The sum of resistance value is within the scope of tens of kilo-ohms to hundreds of kilo-ohms
The working principle of the invention is: using the contact of magnetic latching relay, using program-controlled, remote control on ground control, device
Mode realize control protected to the reconciliation of the short-circuit protection of priming system；Under the use state of ground, in the case where electricity condition is not added in vehicle,
The short-circuit protection reconciliation guarantor's control realized to priming system can be controlled by ground；And after vehicle power-up, especially flying
In the process, it can be realized by program-controlled on device or remote control mode and control is protected to the short-circuit protection reconciliation of priming system according to use demand,
The purpose protected and protect and repeat solution guarantor and protection is solved to the on-demand of priming system to realize.
When ground detection, it is not powered on state in vehicle, multimeter can be used to protect and protection by ground detection point to solution
Resistance in detection circuit measures, and can be differentiated according to measurement result to priming system guard mode.Priming system protects shape
Under state, the resistance value Rp that ground detection point measurement obtains (has ensured that AD collecting part impedance is protected and protected much larger than solution when design
The sum of 2n+1 resistance in circuit, therefore, detection part protects solution and protects the influence of the resistance value in detection circuit can on device
Ignore) are as follows:
In formula, Rs is line resistance value.
In the case where solving guarantor's state, resistance value Ru that ground detection point measurement obtains are as follows:
Ru=Rs+R0 (2)
Whether the resistance value by measuring ground detection point is value in formula (1) and formula (2), that is, can determine whether fire under the state of ground
It is whether normal under work product Xie Baoyu guard mode.
After vehicle powers on, especially in flight course, detection circuit on device can be used, solution is protected and protection detection
Partial pressure value on circuit measures.Under priming system guard mode, if test point both end voltage is V on device1, then guarantor and protection are solved
Resistance Rp in detection circuit are as follows:
Under priming system solution guarantor's state, if test point both end voltage is V on device2, then solve guarantor and protect the electricity in detection circuit
Hinder Ru are as follows:
It is whether identical according to resistance value on device and the resistance value of ground test, that is, it can determine whether that vehicle powers on rear priming system solution
It is whether normal under protecting with guard mode.The result of formula (3) need to be equal to formula (1) as a result, the result of formula (4) need to be equal to public affairs
The result of formula (2).
The simplification or improved method obtained according to the present invention only retains ground as cancelled control or/and detection part on device
The method of control and detection part also for example cancels control and detection part on ground control or/and detection part retaine
Method, also such as increase or decrease series-parallel quantity (such as n priming system is designed using n magnetic latching relay) etc.
Deng all belonging to the scope of protection of the present invention.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.
Claims (6)
1. a kind of Control System for Reusable Launch Vehicle priming system protects circuit, it is characterised in that solved including ground protect protection control circuit,
Solution protection control circuit, priming system solution protection circuit on device, ground power supply, ground solution protection control circuit and priming system
Solution protection circuit constitutes ground priming system protective loop；Power supply on device, solution protection control circuit and priming system solution are protected on device
Circuit is protected to constitute vehicle priming system protective loop on device, wherein
Ground solution protection control circuit, receives land protection control instruction, ground power supply cathode voltage signal is exported to fire
The protection input terminal of work product solution protection circuit；It receives ground solution and protects control instruction, ground power supply cathode voltage signal is exported
Solution to priming system solution protection circuit protects input terminal；
Solution protection control circuit on device, receives remote control and programmed protection control instruction on vehicle, by positive pole electricity on device
Pressure signal is exported to the protection input terminal of priming system solution protection circuit；Remote control and program-controlled solution protect control instruction on receiver, will
Power supply cathode voltage signal exports to the solution of priming system solution protection circuit and protects input terminal on device；
Priming system solution protection circuit carries out open circuit control to n priming system igniter wire in the case where solution protects input terminal voltage control, releases
The short-circuit protection of n priming system；Fault control is carried out to priming system igniter wire under protection input terminal voltage control, realizes n fire
The short-circuit protection of work product；
Priming system solution protection circuit includes that solution protects input terminal, protection input terminal, 2n magnetic latching relay, and 2n magnetic is protected
It holds the power-up coil negative terminal of relay and powers off coil negative terminal while being connected in parallel to the negative terminal of power supply and ground power supply on device,
It is connected in parallel to solution after the equal series resistance of power-up coil anode of 2n magnetic latching relay and protects input terminal, forms arming circuit；
It is connected in parallel to protection input terminal after the equal series resistance of power-off coil anode of 2n magnetic latching relay, forms protection circuit；
Every two magnetic latching relay one priming system protection location of composition, each a pair of of normally-closed contact of magnetic latching relay selection, 2 pairs
Normally-closed contact is connected in series, and is then connected in parallel with corresponding priming system igniter wire.
2. a kind of Control System for Reusable Launch Vehicle priming system according to claim 1 protects circuit, it is characterised in that describedly
Face solution protection control circuit includes relay Kdp, Kdu, and the normally opened contact Kdp.1's and relay Kdu of relay Kdp is normally closed
Contact Kdu.2 series connection, constitutes land protection control circuit；The normally opened contact Kdu.1's and relay Kdp of relay Kdu is normally closed
Kdp.2 series connection in contact constitutes ground solution and protects control circuit.
3. a kind of Control System for Reusable Launch Vehicle priming system according to claim 1 protects circuit, it is characterised in that the device
Upper solution protection control circuit includes two pairs of normally opened touchings of relay Kp1, Kp2, Ku1, Ku2, relay Kp1 and relay Kp2
It puts and is connected in series, then connect with two pairs of normally-closed contacts in parallel of relay Ku1, constitute and protect control circuit on device；After
Two pairs of normally opened contacts of electric appliance Ku1 and relay Ku2 are simultaneously connected in series, then with two pairs of normally closed touchings in parallel of relay Kp1
Point series connection constitutes solution on device and protects control circuit.
4. a kind of Control System for Reusable Launch Vehicle priming system according to claim 2 or 3 protects circuit, it is characterised in that ground
Control circuit output point is protected in the protection control circuit output reconciliation of solution protection control circuit in solution protection control circuit or device
It is not connected to diode cathode, diode cathode is connected to priming system solution protection circuit.
5. a kind of Control System for Reusable Launch Vehicle priming system according to claim 1 protects circuit, it is characterised in that further include
Detection circuit, the detection circuit include that solution is protected and detection circuit and ground detection point, Xie Baoyu on protection detection circuit, device
Detection circuit is protected to be protected in 2n magnetic latching relay of arming circuit in each relay by R0, R1 ... R2n and priming system
A pair of contact composition, R0 couples contact series with 2n, wherein the normally-closed contact of each pair of contact and corresponding resistance Ri, i=1 to 2n
Series connection, is then connected in parallel with normally opened contact；The both ends of Xie Baoyu protection detection circuit are used as test point and ground on device simultaneously
Test point.
6. a kind of Control System for Reusable Launch Vehicle priming system according to claim 5 protects circuit, it is characterised in that examined on device
Slowdown monitoring circuit is made of power Vcc, resistance Rv, Rv1, Rv2 and AD collector on device, and resistance Rv and resistance Rv1 are connected in series, and is connected
Contact is connected to test point on a device, and the other end of resistance Rv connects VCC, and the other end of resistance Rv1 connects AD collector, RV2
One end connects AD collector, and the other end connects test point on another device, while test point is grounded on the device, the AD collector
Input impedance be far longer than the resistance value of resistance Rv, Rv1, Rv2.
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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 |
| CN108678874B (en) * | 2018-04-04 | 2020-01-14 | 湖北三江航天红峰控制有限公司 | Initiating explosive device control circuit |
| 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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