CN111478418A - Power conversion and power failure control system and method - Google Patents
Power conversion and power failure control system and method Download PDFInfo
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- CN111478418A CN111478418A CN201911394394.2A CN201911394394A CN111478418A CN 111478418 A CN111478418 A CN 111478418A CN 201911394394 A CN201911394394 A CN 201911394394A CN 111478418 A CN111478418 A CN 111478418A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Abstract
The invention discloses a power conversion and power failure control system and a power conversion and power failure control method, which comprise a thermal battery, a weapon control system, a ground test launch control system and a power conversion and power failure control device, wherein the ground test launch control system is provided with a power conversion instruction end, a power failure instruction end, a thermal battery activation instruction end and a weapon system power supply end, the power conversion and power failure control device is electrically connected with the thermal battery, the weapon control system, the power conversion instruction end and the power failure instruction end, the thermal battery activation instruction end is electrically connected with the thermal battery, and the weapon system power supply end is electrically connected with the weapon control system. A unidirectional conducting diode is added on the power conversion and power failure control device, so that the mutual influence of two paths of power supplies is effectively avoided; the power supply of the thermal battery can be cut off in real time, various emergency situations in the emission process can be responded, and the safety is higher; after the power supply of the thermal battery is cut off, a power supply cutting-off signal can be fed back to the ground measurement and control system, so that the power supply state of the thermal battery can be conveniently judged.
Description
Technical Field
The invention relates to the technical field of weapon system power supply control, in particular to a power conversion and power failure control system and method.
Background
If the weapon systems (rockets, missiles and the like) can successfully complete the tasks, the normal work of each subsystem and a single machine in the weapon systems is required. The weapon system has its single machine including seeker, navigation assembly, rudder system, etc. driven with stable power supply, and the current power supply is thermal battery, which is one device converting chemical energy into electric energy and has non-conducting electrolyte stored and ignited to heat the medicine and activated to provide stable power supply. However, once the thermal battery is activated, the power supply is stabilized until the internal electrolyte is exhausted, and the power supply cannot be disconnected in the process, so that the emission flow is irreversible once the thermal battery is activated in the conventional weapon system. Meanwhile, in order to ensure continuous and stable power supply in the whole flight process, the power supply time of the thermal battery must be longer than the ballistic time, and for a large weapon system, the power supply time of the thermal battery can reach dozens of hours.
The driving voltage of various initiating explosive devices contained in weapon systems (rockets, missiles, etc.), such as engines, fuses, etc., is also derived from the thermal battery power supply. That is, after the thermal battery is activated, each initiating explosive device is in a state to be triggered.
However, in the transmission process, various emergencies inevitably occur, for example, the field environment is not suitable for the transmission, or an abnormality occurs in the transmission process, at this time, because the thermal battery continuously supplies power, in order to ensure the safety of personnel, before the thermal battery is used up, the personnel cannot approach the weapon system to perform relevant inspection, and the work progress is seriously influenced.
Disclosure of Invention
The invention aims to provide a power conversion and power failure control system and a power conversion and power failure control method, which are used for solving the problem of irreversible power supply in the existing transmission process.
The specific technical scheme adopted for solving the technical problems is as follows: a power conversion and power failure control system and method comprises a thermal battery, a weapon control system, a ground test launch control system and a power conversion and power failure control device, wherein the ground test launch control system is provided with a power conversion command end, a power failure command end, a thermal battery activation command end and a weapon system power supply end, the power conversion and power failure control device is electrically connected with the thermal battery, the weapon control system, the power conversion command end and the power failure command end, the thermal battery activation command end is electrically connected with the thermal battery, and the weapon system power supply end is electrically connected with the weapon control system.
Further, the power conversion and power off control device comprises
The power supply comprises a power conversion relay, a power-off relay, a first diode, a second diode and a third diode;
the power conversion relay is provided with a power conversion relay coil, a power conversion first normally-open end and a power conversion second normally-open end, and the power conversion relay coil comprises a power conversion relay coil positive level and a power conversion relay coil negative level;
the power-off relay is provided with a power-off relay coil and a power-off normally closed end, and the power-off relay coil comprises a power-off relay coil positive level and a power-off relay coil negative level;
the power conversion instruction end is connected with the anode of a first diode, the cathode of the first diode is connected with the positive level of a power conversion relay coil and one end of a power conversion first normally-opened end, the other end of the power conversion first normally-opened end is connected with one end of a power outage normally-closed end, the other end of the power outage normally-closed end is connected with one end of a power conversion second normally-opened end and the anode of a weapon control system, the other end of the power conversion second normally-opened end is connected with the cathode of a second diode, the anode of the second diode is connected with the anode of a thermal battery, and the negative level of the power conversion relay coil is connected with the cathode of a power supply end of the weapon system;
the power-off instruction end is connected with the positive level of a power-off relay coil, and the negative level of the power-off relay coil is connected with the negative pole of the power supply end of the weapon system;
the anode of the third diode is connected with the anode of the power supply end of the weapon system, and the cathode of the third diode is connected with the anode of the weapon control system.
Furthermore, the power-off relay is also provided with a power-off normally-open end, one end of the power-off normally-open end is electrically connected with the power-off instruction end, and the other end of the power-off normally-open end is electrically connected with a power-off indication end of the ground measurement and control system.
Furthermore, the power conversion relay coils are one group or two groups, and the two groups of power conversion relay coils are connected in parallel.
Furthermore, the two groups of power-off relay coils are connected in parallel.
Furthermore, the first normally open end, the second normally open end and the normally closed end are connected in parallel.
Furthermore, a freewheeling diode is connected in parallel with the switching relay coil and/or the power-off relay coil.
The power conversion and power failure control method adopted by the power conversion and power failure control system comprises the following steps,
s1: the ground test launch control system supplies power to the weapon control system and executes each single machine performance index test task before launch, the ground test launch control system judges whether the test result meets the requirement, if not, the process is finished, the test result meets the requirement, and the ground test launch control system activates an instruction to a heat battery in the weapon system;
s2: the ground measurement and launch control system transmits a power conversion instruction to the power conversion and power failure control device, the power conversion and power failure control device responds to the power conversion instruction and closes a thermal battery power supply loop, and the ground measurement and launch control system cuts off power supply to the weapon control system after the weapon control system judges that the thermal battery power supply is stable, so that the power supply of the ground measurement and launch control system is converted into the power supply of the thermal battery in the weapon;
s3: if the weapon system is in a state to be launched, if no other abnormal problems exist, the weapon system launches according to a normal flow, if an emergency occurs, the ground test launch control system sends out a power-off command, and the power-on and power-off control device responds to the power-off command and then disconnects the power supply loop of the thermal battery.
Further, in step S3, after the thermal battery power supply circuit is disconnected, the power supply and disconnection control device issues a power-off instruction to the ground test launch control system to notify that the weapon system has responded to the power-off instruction.
Furthermore, change electricity and power off control device including change electricity relay, outage relay and a plurality of diode, change electricity relay and pass through outage relay auto-lock, the diode is used for keeping apart the inside thermal battery power supply of survey launch control system power supply and weapon system.
Generally, the power conversion and outage control device has the following advantages:
1. the power conversion process is stable, the thermal battery and the ground measurement and launch control system supply power simultaneously for a period of time, after the thermal battery supplies power stably, the ground measurement and launch control system cuts off the power supply for the weapon control system, the thermal battery supplies power independently, and the whole power conversion process is completed stably;
2. a unidirectional conducting diode is added on the power conversion and power failure control device, so that the mutual influence of two paths of power supplies is effectively avoided;
3. the power supply of the thermal battery can be cut off in real time, various emergency situations in the emission process can be responded, and the safety is higher;
4. after the power supply of the thermal battery is cut off, a power supply cut-off signal can be fed back to the ground measurement and control system, so that the power supply state of the thermal battery can be conveniently judged;
5. the device has good reliability, and can complete the power conversion and power failure functions after any group of coils fails by arranging a plurality of groups of relay coils in the power conversion relay and the power failure relay.
Drawings
FIG. 1 is a block diagram of a power transfer and outage control system;
FIG. 2 is a launch flow diagram of a transfer and de-energizing control system in an aircraft;
fig. 3 is a schematic circuit diagram of the power conversion and disconnection control device.
The system comprises a weapon system 1, a ground measurement and launch control system 2, a thermal battery 11, a power conversion and outage control device 12 and a weapon control system 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
a power conversion and power failure control system comprises a thermal battery, a weapon control system, a ground test launch control system and a power conversion and power failure control device, wherein the ground test launch control system is provided with a power conversion command end, a power failure command end, a thermal battery activation command end and a weapon system power supply end; the positive electrode of the power supply end of the weapon system is electrically connected with the positive electrode of the weapon control system; and the negative electrode of the power supply end of the weapon system is electrically connected with the negative electrode of the weapon control system.
The power conversion and power off control device comprises:
the power supply comprises a power conversion relay, a power-off relay, a first diode, a second diode and a third diode;
the power conversion relay is provided with a power conversion relay coil, a power conversion first normally-open end and a power conversion second normally-open end, and the power conversion relay coil comprises a power conversion relay coil positive level and a power conversion relay coil negative level;
the power-off relay is provided with a power-off relay coil and a power-off normally closed end, and the power-off relay coil comprises a power-off relay coil positive level and a power-off relay coil negative level;
the power conversion instruction end is connected with the anode of a first diode, the cathode of the first diode is connected with the positive level of a power conversion relay coil and one end of a power conversion first normally-opened end, the other end of the power conversion first normally-opened end is connected with one end of a power outage normally-closed end, the other end of the power outage normally-closed end is connected with one end of a power conversion second normally-opened end and the anode of a weapon control system, the other end of the power conversion second normally-opened end is connected with the cathode of a second diode, the anode of the second diode is connected with the anode of a thermal battery, and the negative level of the power conversion relay coil is connected with the cathode of a power supply end of the weapon system;
the power-off instruction end is connected with the positive level of a power-off relay coil, and the negative level of the power-off relay coil is connected with the negative pole of the power supply end of the weapon system;
the anode of the third diode is connected with the anode of the power supply end of the weapon system, and the cathode of the third diode is connected with the anode of the weapon control system.
The power-off relay is also provided with a power-off normally-open end, one end of the power-off normally-open end is electrically connected with the power-off instruction end, and the other end of the power-off normally-open end is electrically connected with the power-off indication end of the ground measurement and control system, so that the power-off result of the thermal battery can be conveniently fed back to the ground measurement and control system.
The embodiment of the invention provides a power conversion and power failure control device, as an example, the power conversion and power failure control device is applied inside a weapon system (rocket, missile, etc.) and used for controlling the on-off of a power supply link of a thermal battery inside the weapon system, and a system or equipment related to the work flow of the power conversion and power failure control device is shown in fig. 1.
The weapon system includes: thermal batteries, power transfer and interruption control devices, weapon control systems, and other subsystems, which are not relevant to the present invention and therefore not mentioned here.
A thermal battery: the power supply source working as a weapon control system is a device for converting chemical energy into electric energy, wherein an internal electrolyte is a non-conductive solid when the device is stored, an internal heating medicament is ignited by an electric ignition head when the device is used, the electrolyte is activated, so that stable power supply is provided for the outside, and once a thermal battery is activated, the thermal battery cannot cut off the power supply.
A weapon control system: the weapon system comprises all electric single machines in the weapon system, and a power supply source for ensuring the normal work of the electric single machines is used for supplying power to a ground measurement and emission control system and a thermal battery.
The ground test launch control system is ground test and launch equipment of weapon systems (rockets, missiles and the like) and is used for performance index test of single machines in the weapon systems (rockets, missiles and the like) before launch and launch flow control.
The power conversion and power failure control method adopted by the power conversion and power failure control system comprises the following steps of S1: a. the ground measurement launch control system supplies power to the weapon control system;
b. the ground test launch control system executes each single machine performance index test task before launch;
c. the ground test launch control system judges whether the test result meets the requirement, if not, the process is ended;
d. the test result meets the requirement, and the ground test launch control system activates an instruction to a heat battery in the weapon system;
step S2: e. the ground measurement and control system transmits a power-switching instruction to the power-switching and power-off control device;
f. the power conversion and power failure control device responds to the power conversion instruction and closes the power supply loop of the thermal battery;
g. after the weapon control system judges that the power supply of the thermal battery is stable, the ground measurement and launch control system cuts off the power supply to the weapon control system, so that the power supply of the ground measurement and launch control system is converted into the power supply of the thermal battery in the weapon;
step S3: h. the weapon system is in a state to be launched;
i. if no other abnormal problems exist, the weapon system launches according to a normal flow;
j. if an emergency happens, the ground test and launch control system sends a power-off command, and the power supply loop of the thermal battery is disconnected after the power-on and power-off control device responds;
k. the power switching and power-off control device sends a power-off instruction to the ground test launch control system to inform the weapon system that the power-off instruction is responded.
The operation principle of the power switching and power off control device is explained in detail with reference to fig. 3, wherein the abbreviations in fig. 3 represent the following: k1-a power-off command end, K2-a power-conversion command end, V1-the anode of a thermal battery, V2-the anode of a weapon system power supply end of a ground measurement and control system, D1-a first diode, D2-a second diode, D3-a third diode, KM 1-a power-conversion relay, KM 2-a power-off relay, Q1-a power-conversion relay coil, Q2-a power-off relay coil, A1-a power-conversion first normally-opened end, A2-a power-conversion second normally-opened end, B1-a power-off normally-opened end, B2-a power-off normally-closed end, S1-a power-off indication end, OUT-the anode of a weapon control system, and GND-the cathode of a weapon control system.
a. The ground measurement launch control system supplies power to the weapon control system;
the implementation method of the step comprises the following steps: the positive pole (V2) of the power supply end of the weapon system of the ground measurement launch control system directly reaches the positive pole (OUT) of the weapon control system through a third diode (D3);
b. the ground test launch control system executes each single machine performance index test task before launch;
c. after the test is finished, the ground test launch control system judges whether the test result meets the requirement, if not, the process is ended;
d. if the test result meets the requirement, the ground test launch control system activates an instruction to a heat battery in the weapon system;
after this step is carried OUT, a continuous and stable voltage exists at the positive pole (V1) of the thermal battery, but the power supply voltage of the positive pole (V1) of the thermal battery cannot reach the positive pole (OUT) of the weapon control system because the second normally open end (A2) of the power transfer defaults to an off state;
e. the ground measurement and control system transmits a power-switching instruction to the power-switching and power-off control device;
the implementation method of the step comprises the following steps: the power conversion command end (K2) sequentially passes through the first diode (D1) and the power conversion relay coil (Q1) to form a loop with a cathode (GND) of a weapon control system, at the moment, the power conversion relay coil (Q1) flows through current, the power conversion first normally-open end (A1) is closed, and the power conversion second normally-open end (A2) is closed.
f. The power conversion and power failure control device responds to the power conversion instruction and closes the power supply loop of the thermal battery;
the implementation method of the step comprises the following steps: at the moment, the positive pole (V1) of the thermal battery reaches the positive pole (OUT) of the weapon control system through the second diode (D2) and the second normally open end (A2) of the power conversion; meanwhile, the positive electrode (V1) of the thermal battery is connected with the second diode (D2), the second normally open end (A2) of the power conversion circuit, the power-off normally closed end (B2), the first normally open end (A1) of the power conversion circuit, the power conversion relay coil (Q1) and the negative electrode (GND) of the weapon control system form a closed loop, and the power-off normally closed end (B2) is closed by default, so that the power conversion relay coil (Q1) can be ensured to continuously pass through current, and the first normally open end (A1) of the power conversion circuit and the second normally open end (A2) of the power conversion circuit are continuously in a closed state. Therefore, the anode (V1) of the thermal battery continuously supplies power to the weapon control system, wherein the anode of the thermal battery is electrically connected with the cathode of the weapon control system, and further the thermal battery supplies power to the weapon control system.
g. And after the weapon control system judges that the heat battery supplies power stably, the ground measurement and launch control system cuts off the power supply to the weapon control system, so that the power supply of the ground measurement and launch control system is converted into the power supply of the heat battery in the weapon.
The implementation method of the step comprises the following steps: the positive pole (V2) of the power supply end of the weapon system of the ground measurement launch control system is disconnected, and the positive pole (OUT) of the weapon control system is only provided by the positive pole (V1) of the thermal battery.
h. The weapon system is in a state to be launched;
i. if no other abnormal problems exist, the weapon system launches according to a normal flow;
j. if an emergency occurs, such as abnormal ignition of an engine, the ground test and launch control system sends a power-off command, and the power supply loop of the thermal battery is disconnected after the power-on and power-off control device responds;
the implementation method of the step comprises the following steps: the power-off command end (K1) forms a power supply loop with the negative pole (GND) of the weapon control system through the power-off relay coil (Q2), and at the moment, the power-off relay coil (Q2) has current flowing through, so that the power-off normally-open end (B1) is closed, and the power-off normally-closed end (B2) is opened. Due to the disconnection of the power-off normally closed end (B2), the original stable loop "the positive electrode (V1) of the thermal battery, the second diode (D2), the power-transfer second normally open end (a2), the power-off normally closed end (B2), the power-transfer first normally open end (a1), the power-transfer relay coil (Q1) and the negative electrode (GND) of the weapon control system form a closed loop" is cut off, so that no current passes through the power-transfer relay (KM1), and the power-transfer first normally open end (a1) and the power-transfer second normally open end (a2) are cut off again, so that the power supply links "the positive electrode (V1) of the thermal battery, the second diode (D2), the power-transfer second normally open end (a2) and the positive electrode (OUT) of the weapon control system" are cut off, and the power supply loop of the thermal battery is disconnected.
k. The power-on and power-off control device sends a power-off instruction to the ground test launch control system, and informs the weapon system that the power-off instruction is responded.
The implementation method of the step comprises the following steps: the power-off command terminal (K1) forms a power supply loop with the negative pole (GND) of the weapon control system through the power-off relay (KM2), and the power-off relay (KM2) has current flowing through, so that the power-off normally-open terminal (B1) is closed, and the power-off normally-closed terminal (B2) is opened. Since the power-off normally open end (B1) is closed, the power-off command reaches the power-off indication end (S1) through the power-off normally open end (B1), and thus the power-off command executed by the power switching and power-off device can be transmitted to the ground test launch control system.
Example 2:
the present embodiment is different from embodiment 1 in that:
the power-on relay comprises two sets of power-on relay coils, two sets of power-off relay coils and two sets of power-off relay coils, wherein the two sets of power-off relay coils are connected in parallel. After any group of coils fails, the device can complete the power conversion and power off functions.
The first normally-open end, the second normally-open end and the power-off normally-closed end of the power converter are respectively two groups and are respectively connected in parallel, and the working stability of the weapon control system can be guaranteed through larger current.
And the coil of the power conversion relay and the coil of the power-off relay are connected with freewheeling diodes in parallel.
The rest is the same as in example 1.
Claims (10)
1. The utility model provides a change electricity and power off control system, includes thermal battery, weapon control system, ground survey launch control system, its characterized in that still includes changes electricity and power off control device, be equipped with change electricity command end, outage command end, thermal battery activation command end, weapon system power supply end on the survey launch control system of ground, change electricity and power off control device and thermal battery, weapon control system, change electricity command end, power off command end electricity and be connected, thermal battery activation command end is connected with the thermal battery electricity, weapon system power supply end is connected with weapon control system electricity.
2. The power conversion and outage control system according to claim 1, characterized in that: the power conversion and power failure control device comprises
The power supply comprises a power conversion relay, a power-off relay, a first diode, a second diode and a third diode;
the power conversion relay is provided with a power conversion relay coil, a power conversion first normally-open end and a power conversion second normally-open end, and the power conversion relay coil comprises a power conversion relay coil positive level and a power conversion relay coil negative level;
the power-off relay is provided with a power-off relay coil and a power-off normally closed end, and the power-off relay coil comprises a power-off relay coil positive level and a power-off relay coil negative level;
the power conversion instruction end is connected with the anode of a first diode, the cathode of the first diode is connected with the positive level of a power conversion relay coil and one end of a power conversion first normally-opened end, the other end of the power conversion first normally-opened end is connected with one end of a power outage normally-closed end, the other end of the power outage normally-closed end is connected with one end of a power conversion second normally-opened end and the anode of a weapon control system, the other end of the power conversion second normally-opened end is connected with the cathode of a second diode, the anode of the second diode is connected with the anode of a thermal battery, and the negative level of the power conversion relay coil is connected with the cathode of a power supply end of the weapon system;
the power-off instruction end is connected with the positive level of a power-off relay coil, and the negative level of the power-off relay coil is connected with the negative pole of the power supply end of the weapon system;
the anode of the third diode is connected with the anode of the power supply end of the weapon system, and the cathode of the third diode is connected with the anode of the weapon control system.
3. The power conversion and outage control system according to claim 2, characterized in that: and the power-off relay is also provided with a power-off normally-open end, one end of the power-off normally-open end is electrically connected with the power-off instruction end, and the other end of the power-off normally-open end is electrically connected with a power-off indication end of the ground measurement and control system.
4. The power conversion and outage control system according to claim 2, characterized in that: the power conversion relay coils are one group or two groups, and the two groups of power conversion relay coils are connected in parallel.
5. The power conversion and outage control system according to claim 2, characterized in that: the power-off relay coils are one group or two groups, and the two groups of power-off relay coils are connected in parallel.
6. The power conversion and outage control system according to claim 2, characterized in that: the first normally open end, the second normally open end and the normally closed end are respectively connected in parallel.
7. The power conversion and outage control system according to claim 2, characterized in that: and a freewheeling diode is connected in parallel with the switching relay coil and/or the power-off relay coil.
8. A power conversion and interruption control method adopted by a power conversion and interruption control system according to any one of claims 1 to 7, characterized in that: comprises the following steps of (a) carrying out,
s1: the ground test launch control system supplies power to the weapon control system and executes each single machine performance index test task before launch, the ground test launch control system judges whether the test result meets the requirement, if not, the process is finished, the test result meets the requirement, and the ground test launch control system activates an instruction to a heat battery in the weapon system;
s2: the ground measurement and launch control system transmits a power conversion instruction to the power conversion and power failure control device, the power conversion and power failure control device responds to the power conversion instruction and closes a thermal battery power supply loop, and the ground measurement and launch control system cuts off power supply to the weapon control system after the weapon control system judges that the thermal battery power supply is stable, so that the power supply of the ground measurement and launch control system is converted into the power supply of the thermal battery in the weapon;
s3: if the weapon system is in a state to be launched, if no other abnormal problems exist, the weapon system launches according to a normal flow, if an emergency occurs, the ground test launch control system sends out a power-off command, and the power-on and power-off control device responds to the power-off command and then disconnects the power supply loop of the thermal battery.
9. The power conversion and interruption control method according to claim 8, wherein: in step S3, after the thermal battery power supply circuit is disconnected, the power transfer and disconnection control device issues a power-off instruction to the ground test launch control system to notify that the weapon system has responded to the power-off instruction.
10. The power conversion and interruption control method according to claim 8, wherein: the power conversion and power failure control device comprises a power conversion relay, a power failure relay and a plurality of diodes, wherein the power conversion relay is self-locked through the power failure relay, and the diodes are used for isolating the power supply of the launch control system and the power supply of a thermal battery in the weapon system.
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| CN112304159A (en) * | 2020-10-29 | 2021-02-02 | 上海空间推进研究所 | Integrated gas supply device |
| CN112531682A (en) * | 2020-11-18 | 2021-03-19 | 湖北航天技术研究院总体设计所 | Bus power supply circuit and power supply method for aircraft control system |
| CN112786384A (en) * | 2021-02-04 | 2021-05-11 | 湖北三江航天红峰控制有限公司 | Missile-borne switching-off control device based on electromagnetic relay |
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