CN111030314A - Carrier rocket ground high-power wireless power supply system based on electromagnetic resonance - Google Patents
Carrier rocket ground high-power wireless power supply system based on electromagnetic resonance Download PDFInfo
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The carrier rocket ground high-power wireless power supply system based on electromagnetic resonance comprises a ground power supply converter, a transmitting coil, a receiving coil and an energy receiving processor; the ground power supply converter and the transmitting coil are respectively placed on the ground transmitting platform or the oscillating bar, the receiving coil and the energy receiving processor are installed on the arrow, the ground power supply converter converts alternating current into high-frequency alternating current electric energy and inputs the high-frequency alternating current electric energy into the transmitting coil, the receiving coil converts the coupled magnetic field energy into the high-frequency alternating current electric energy and inputs the high-frequency alternating current electric energy into the energy receiving processor, and the energy receiving processor outputs power supply voltage meeting the power supply requirement of the load on the arrow after processing. The invention realizes non-contact and separation-free power supply of the carrier rocket in the ground test and launch process, can replace the existing unplugging and unplugging technology, realizes automatic butt joint of rocket power supply, and avoids the defects of complex operation, high difficulty, more personnel and time consumption, high dependence degree on auxiliary equipment and the like of unplugging and unplugging cables.
Description
Technical Field
The invention relates to a carrier rocket ground high-power (kilowatt-level) wireless power supply system based on electromagnetic resonance, and belongs to the field of wireless power supply.
Background
For a long time, mechanical electrical connectors such as unplugging and unplugging are generally adopted by carrier rockets as important electrical interfaces for rocket-ground connection, and during a test and launch preparation process of a launch site, according to a test and launch process, multiple operations of unplugging and unplugging of the connectors are required in a subsystem and a general inspection test.
In addition, the problems of unreliable connection, abnormal falling and separation and the like are caused for a plurality of times in the processes of inserting and pulling out of connection and falling test of the carrier rocket in China historically, although the reliability of the mechanical separation structure adopted by the existing inserting and pulling out and separating connector is improved greatly after years of improved product design, the separation mechanism is still difficult to carry out redundancy design in principle, and the separation reliability is improved substantially with certain difficulty. Besides separation of the unplugging and unplugging connectors, the connectors also need mechanisms such as a swing rod, an anti-rebound mechanism and a separation steel cable for assistance, so that more operation links are introduced, and the reliability of the system is further reduced.
In summary, the mechanical electrical connectors commonly used for the launch vehicle, such as unplugging and unplugging, have the problems of more design, operation and use constraints, complex operation, high difficulty, more personnel and time consumption, high dependence on auxiliary equipment, incapability of automatic butt joint and the like.
Disclosure of Invention
The technical problem solved by the invention is as follows: the defects of mechanical and electrical connection technologies such as tripping, unplugging and the like of the conventional carrier rocket are overcome, the carrier rocket ground high-power wireless power supply system based on electromagnetic resonance is provided without the help of electric wire connection, and high-power wireless power supply of the carrier rocket in the ground test, launch and control process is realized.
The technical solution of the invention is as follows:
electromagnetic resonance-based high-power wireless power supply system for rocket ground of carrier rocket comprises: the system comprises a ground power supply converter, a transmitting coil, a receiving coil and an energy receiving processor; the ground power supply converter and the transmitting coil are respectively placed on a ground transmitting platform or a swing rod, the receiving coil and the energy receiving processor are installed on the rocket, 220V alternating current mains supply is converted into high-frequency alternating current electric energy by the ground power supply converter and is input into the transmitting coil, the transmitting coil and the receiving coil are magnetic field energy coupling coils, the receiving coil converts the coupled magnetic field energy into the high-frequency alternating current electric energy and inputs the high-frequency alternating current electric energy into the energy receiving processor, the energy receiving processor carries out rectification filtering and voltage reduction and voltage stabilization processing and then outputs power supply voltage meeting the power supply requirement of loads on the rocket, and the power supply voltage, a battery on the rocket and a power distributor jointly complete the ground test of the carrier rocket and the power supply.
The ground power supply converter comprises a rectifying circuit and a high-frequency inverter circuit, wherein the rectifying circuit rectifies 220V alternating current commercial power and outputs the rectified power to the high-frequency inverter circuit; the high-frequency inverter circuit converts the high-frequency inverter circuit into high-frequency alternating current electric energy required by resonance, and high frequency of energy transmission is achieved.
The high-frequency inverter circuit is of a topological structure with double MOSFETs connected in parallel and double freewheeling diodes connected in parallel, the double MOSFET parallel structure comprises eight MOSFETs, every four MOSFETs form a full-bridge topological structure, the eight MOSFETs form two parallel full-bridge topological structures, and each MOSFET is connected with a ceramic capacitor in parallel;
the dual-freewheeling diode parallel structure comprises four dual-freewheeling diodes D1, D2, D3 and D4, and each output end of the two parallel full-bridge topologies is connected with one dual-freewheeling diode.
The transmitting end LCC composite compensation topological circuit is arranged on the transmitting coil, the receiving end LCC composite compensation topological circuit is arranged on the receiving coil, resonance compensation is achieved, the transmitting loop and the receiving loop are enabled to resonate, the power factor of system transmission is improved, the reliability and robustness of the system are guaranteed, and the resonance frequency of the coil is independent of the coupling coefficient and the load condition.
The transmitting end LCC composite compensation topology circuit comprises a capacitor C1Capacitor Cf1And an inductance Lf1；
One output end of the high-frequency inverter circuit and the inductor Lf1One end of the first and second terminals is connected to a capacitor Cf1Is connected to one end of the transmitting coil, an inductance Lf1The other end of the capacitor is simultaneously connected with the capacitor C1One terminal of and a capacitor Cf1Is connected at the other end to a capacitor C1And the other end of the second coil is connected with the other end of the transmitting coil.
The receiving end LCC composite compensation topology circuit comprises a capacitor C2Capacitor Cf2And an inductance Lf2；
One end of the receiving coil and the capacitor C2One end of the receiving coil is connected with the other end of the receiving coil and the capacitor Cf2One end of the capacitor is connected with one input end of the energy receiving processor, and the capacitor Cf2The other end of the capacitor is connected with the capacitor C2The other end and an inductor Lf2Is connected to an inductor Lf2Another end of (1) andthe other input of the volume receiving processor is connected.
After the energy receiving processor is rectified and filtered, the voltage reduction and stabilization processing is realized through a buck circuit in multi-phase staggered parallel connection, and 28V direct current which can be used for charging a storage battery or loading on an arrow is obtained.
The frequency of the high-frequency alternating current electric energy obtained by the ground power supply converter is the same as the natural frequency of the transmitting coil.
The natural frequency of the receiving coil is the same as the natural frequency of the transmitting coil.
The frequency of the alternating magnetic field generated by the transmitting coil is the same as the natural frequency of the receiving coil.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention provides a wireless power supply system which is realized by utilizing a space electromagnetic field resonance coupling technology without the help of electric wire connection, and realizes high-power wireless power supply of a carrier rocket in the ground test, launch and control process. Compared with the mechanical electric connector which is adopted in the prior art and has the advantages of no need of manual operation connection, accelerated test flow, no need of auxiliary equipment, great saving of manpower and material resources and improvement of connection reliability.
(2) The high-frequency inverter circuit adopts a topological structure that double MOSFETs are connected in parallel and double freewheeling diodes are connected in parallel, so that the current resistance of the high-frequency inverter circuit is greatly improved; and in addition, the eight MOSFETs on the four bridge arms are respectively connected with the high-voltage ceramic capacitors in parallel, so that voltage pulses caused by parasitic devices of the MOSFETs are buffered in the switching process of the MOSFETs, the working stability of the high-frequency inverter circuit is improved, meanwhile, the effect of reducing electric energy loss in the switching process of the switching tubes is achieved, and the working efficiency of the high-frequency inverter circuit is further improved.
(3) Aiming at the application condition that the load characteristics are changed continuously in the test and working processes of the carrier rocket, the equivalent resistance of the receiving end is not a constant value; meanwhile, the change of the relative positions of the transmitting coil and the receiving coil can cause that a mutual inductance value cannot be kept as a constant under the working condition, and in order to ensure the reliability and the robustness of a system and ensure that the resonance frequency of the coil is unrelated to a coupling coefficient and a load condition, the invention provides a bilateral LCC composite compensation topological circuit. By utilizing the compensation topological circuit, the wireless power supply system can work under a constant frequency, so that the occupation of frequency bandwidth is reduced. The transmitting terminal and the receiving terminal can almost realize unit power factors in the whole range of coupling and load conditions, thereby realizing high-efficiency electric energy transmission.
Drawings
FIG. 1 is a block diagram of a wireless power system;
FIG. 2 is a block diagram of a wireless power supply scheme for a launch vehicle rocket ground;
FIG. 3 is a block diagram of a high frequency inverter circuit topology;
FIG. 4 is a block diagram of a bilateral LCC composite compensation topology;
FIG. 5 is a schematic block diagram of a multiphase interleaved buck circuit.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
The invention provides a wireless power supply system which can replace traditional mechanical electrical connection such as unplugging and unplugging, realize cable-free automatic connection between rocket grounds of a carrier rocket, and meet the intelligent ground test, launch and control requirements of the carrier rocket.
As shown in FIG. 1, the high-power wireless power supply system for the rocket ground of the carrier rocket based on electromagnetic resonance comprises a ground power supply converter, a transmitting coil, a receiving coil and an energy receiving processor; the ground power supply converter and the transmitting coil are respectively placed on a ground transmitting platform or a swing rod, the receiving coil and the energy receiving processor are installed on the rocket, the ground power supply converter converts 220V alternating current mains supply into high-frequency alternating current electric energy, the high-frequency alternating current electric energy is input into the transmitting coil through the transmitting end LCC composite compensation topological circuit, the transmitting coil and the receiving coil are magnetic field energy coupling coils, the receiving coil converts the coupled magnetic field energy into the high-frequency alternating current electric energy and inputs the high-frequency alternating current electric energy to the energy receiving processor, the energy receiving processor performs rectification filtering and voltage reduction and voltage stabilization processing and then outputs power supply voltage meeting the power supply requirement of a load on the rocket, the power supply voltage and devices such as a battery and a distributor on the rocket complete the ground test of a carrier rocket and the power supply and distribution requirement.
According to the practical application situation, a receiving coil and an energy receiving processor are arranged on the primary stage of the carrier rocket core, a transmitting coil and a ground power supply converter are placed on a ground transmitting platform, and the transmitting coil and the receiving coil are opposite in position. And a receiving coil and an energy receiving processor are arranged on the second stage of the carrier rocket core, a transmitting coil and a ground power supply converter are arranged on the swing rod corresponding to the second stage of the core, and the transmitting coil and the receiving coil are opposite. And a receiving coil and an energy receiving processor are arranged on the third stage of the carrier rocket core, a transmitting coil and a ground power supply converter are arranged on the swing rod corresponding to the third stage of the core, and the transmitting coil and the receiving coil are opposite.
The ground power converter adopts the following design:
(1) in order to realize high-power transmission of electric energy, a ground power supply converter is added with a rectifying circuit and a high-frequency inverter circuit before the traditional link of directly inputting alternating current into a transformer, wherein the rectifying circuit rectifies 220V alternating current commercial power and outputs the rectified alternating current to the high-frequency inverter circuit; the high-frequency inverter circuit converts the high-frequency inverter circuit into high-frequency alternating current electric energy required by resonance, and high frequency of energy transmission is achieved.
(2) The 220V alternating current commercial power is converted into direct current through a rectifying circuit, and the voltage value of the direct current commercial power can be used for monitoring and feedback regulation of the circuit; the direct-current voltage is input into the high-frequency inverter circuit, the high-frequency inverter circuit converts the direct-current voltage into high-frequency alternating-current electric energy, the high-frequency alternating-current electric energy is input into the transmitting end LCC composite compensation topological circuit, the frequency of the high-frequency alternating-current electric energy is the same as the natural frequency of the transmitting coil, therefore, the electric energy can generate resonance between the transmitting coil and the transmitting end LCC composite compensation topological circuit, sine current with the same frequency is generated, and the electric energy is output from the transmitting coil to the receiving coil through a high-frequency alternating magnetic field.
(3) The high-frequency inverter circuit provides high-frequency alternating current required by resonance, and is an important component of a wireless power supply system. In order to increase the current endurance and safety of the system, the invention provides an improved full-bridge inverter topology, as shown in fig. 3, the high-frequency inverter circuit is a topology structure with two MOSFETs connected in parallel and two freewheeling diodes connected in parallel, the dual MOSFET parallel structure includes eight MOSFETs, every four MOSFETs form a full-bridge topology structure, the eight MOSFETs form two parallel full-bridge topologies, and each MOSFET is connected in parallel with a ceramic capacitor. The dual-freewheeling diode parallel structure comprises four dual-freewheeling diodes D1, D2, D3 and D4, and each output end of the two parallel full-bridge topologies is connected with one dual-freewheeling diode.
The current-tolerant performance of the high-frequency inverter circuit is greatly improved by adopting a full-bridge topology structure with double MOSFETs connected in parallel, compared with a single-tube circuit, the current-tolerant performance of the high-frequency inverter circuit is improved by nearly one time, and the current-tolerant performance is improved by adopting a double-tube parallel connection mode for selecting a freewheeling diode; in addition, the eight MOSFETs on the bridge arm are respectively connected with the high-voltage ceramic capacitors in parallel, in the MOSFET switching process, voltage pulses caused by MOSFET parasitic devices are buffered, the working stability of the high-frequency inverter circuit is improved, meanwhile, the effect of reducing electric energy loss in the switching process of the switching tube is achieved, and the working efficiency of the high-frequency inverter circuit is further improved.
Transmit and receive coil design:
(1) due to the fact that the transmission distance is long, the air gap between the transmitting coil and the receiving coil is large, magnetic leakage of the whole electromagnetic induction energy conduction part is serious, and voltage gain, power factor and energy transmission capacity of the system are reduced.
(2) The load characteristics are changed continuously in the test and working processes of the carrier rocket, and the equivalent resistance of the receiving end is not a constant value; while a change in the relative position of the transmitter and receiver coils may result in the mutual inductance value not being able to remain constant under operating conditions.
In order to solve the two problems, the transmitting end LCC composite compensation topological circuit is arranged on the transmitting coil, the receiving end LCC composite compensation topological circuit is arranged on the receiving coil, and the transmitting end LCC composite compensation topological circuit and the receiving end LCC composite compensation topological circuit form a bilateral LCC composite compensation topological circuit, so that resonance compensation is realized, the transmitting loop and the receiving loop are resonated, the power factor of system transmission is improved, the VA rated value of a power supply is minimized, and the current values of the transmitting loop and the receiving loop are respectively adjusted.
Meanwhile, the application of the bilateral LCC composite compensation topological circuit ensures the reliability and robustness of the system, so that the resonance frequency of the coil is independent of the coupling coefficient and the load condition.
As shown in fig. 4, the LCC composite compensation topology circuit of the transmitting end includes a capacitor C1Capacitor Cf1And an inductance Lf1. One output end of the high-frequency inverter circuit and the inductor Lf1One end of the first and second terminals is connected to a capacitor Cf1Is connected to one end of the transmitting coil, an inductance Lf1The other end of the capacitor is simultaneously connected with the capacitor C1One terminal of and a capacitor Cf1Is connected at the other end to a capacitor C1And the other end of the second coil is connected with the other end of the transmitting coil.
The receiving end LCC composite compensation topology circuit comprises a capacitor C2Capacitor Cf2And an inductance Lf2. One end of the receiving coil and the capacitor C2One end of the receiving coil is connected with the other end of the receiving coil and the capacitor Cf2One end of the capacitor is connected with one input end of the energy receiving processor, and the capacitor Cf2The other end of the capacitor is connected with the capacitor C2The other end and an inductor Lf2Is connected to an inductor Lf2And the other end of the second switch is connected with the other input end of the energy receiving processor.
U in FIG. 4ABIs the output voltage of the high-frequency inverter circuit, UabIs the input voltage of the energy-receiving processor, i1、i2、iLf1、iLf2Is L1、L2、Lf1、Lf2A current on the substrate;
is in the form of voltage and current vectors on the corresponding variables,m is mutual inductance between the transmitter coil and the receiver coil, D11-D14 are rectifier diodes of the energy receiving processor, omega0Is the system resonance angular frequency, k is the coupling coefficient, L1、L2The self-inductance of the transmitting coil and the receiving coil respectively, and the turn ratio of the receiving coil to the transmitting coil is defined as:
U'ab、L'f2representing the influence variable of the receive coil equivalent to the transmit coil,
indicating that the current is composed of
In the course of the contribution,
indicating that the current is composed of
Is contributed.
Calculate by
And
the generated current is:
the input voltage and the input current are in phase, and the power factor of the resonant converter system is 1. The output current is in phase with the output voltage, and the power factor on the output rectifier is also 1. Furthermore, the formula also reflects that the phase relationship is independent of the coupling coefficient and the final output voltage. Thus, an efficient resonance condition can be achieved regardless of variations in coupling and load conditions. The transmission power is:
it can be seen that the output power and coupling coefficient k, the input voltage UABAnd an output voltage UabIs in direct proportion.
Therefore, by using the compensation topological circuit, the wireless power supply system can work under a constant frequency, thereby reducing the occupation of frequency bandwidth. The transmitting terminal and the receiving terminal can almost realize unit power factors in the whole range of coupling and load conditions, thereby realizing high-efficiency electric energy transmission.
The design of the electric energy transmitting coil and the electric energy receiving coil is related to the working efficiency and the output power of the whole system, so that the factors such as skin effect, electric parameters, magnetic field shape and the like need to be considered when the electric energy transmitting and receiving coil is designed in a high-frequency state of the wireless power supply system.
In the high-frequency power transmission engineering, the skin effect must be considered. The expression for skin depth is as follows:
wherein, mu is the magnetic permeability of the copper wire, and mu is 1.2567 multiplied by 10-6s/m; σ is the conductivity of the copper wire, and σ is 59.6 × 106H/m. The skin depth at different frequencies is given in the following table:
TABLE 1 skin depth
| Frequency (kHz) | Skin depth (mm) |
| 40 | 0.32 |
| 50 | 0.29 |
| 70 | 0.25 |
| 85 | 0.22 |
According to the table, under the condition that the designed transmission frequency is 80-85 kHz, litz wires with the diameter phi of 0.2mm are selected for the transmitting coil and the receiving coil, and the skin effect can be well avoided. The coil adopts a disc coil design.
Energy receiving processor design:
the energy receiving processor is used for converting the high-frequency alternating current induced by the receiving coil into direct current power supply output. The energy receiving processor of the invention adopts the diode based on SiC to complete full-bridge rectification, and the output efficiency is higher. The alternating current is converted into direct current to be supplied to the post-stage voltage reduction and stabilization circuit. The voltage reduction and stabilization circuit adopts a multi-phase staggered parallel buck circuit and adopts a synchronous rectification technology, so that the volume, the weight and the heat consumption are further reduced, and 28V direct current which can be used for charging a storage battery or loading on an arrow is obtained. The multiphase interleaved buck circuit is shown in fig. 5.
The frequency of the high-frequency alternating current electric energy obtained by the ground power supply converter is the same as the natural frequency of the transmitting coil. The natural frequency of the receiving coil is the same as the natural frequency of the transmitting coil. The natural frequency of the electric energy receiving coil is the same as the frequency of the alternating magnetic field, the high-frequency alternating magnetic field emitted by the transmitting coil can be received to the maximum extent, and the high-frequency alternating magnetic field is converted into alternating current with the same frequency in the electric energy receiving coil.
The wireless power supply system based on the electromagnetic resonance technology provided by the invention realizes non-contact and separation-free power supply of the carrier rocket in the ground test and launch process, can replace the existing unplugging and unplugging technologies, realizes automatic butt joint of rocket power supply, avoids the defects of complex operation, high difficulty, more personnel and time consumption, high dependence degree on auxiliary equipment and the like of traditional launch site test unplugging and unplugging cables, and improves the automation and intelligentization degree of the rocket test and launch process.
The invention has not been described in detail and is within the skill of the art.
Claims (10)
1. High-power wireless power supply system in carrier rocket ground based on electromagnetic resonance, its characterized in that includes: the system comprises a ground power supply converter, a transmitting coil, a receiving coil and an energy receiving processor; the ground power supply converter and the transmitting coil are respectively placed on a ground transmitting platform or a swing rod, the receiving coil and the energy receiving processor are installed on the rocket, 220V alternating current mains supply is converted into high-frequency alternating current electric energy by the ground power supply converter and is input into the transmitting coil, the transmitting coil and the receiving coil are magnetic field energy coupling coils, the receiving coil converts the coupled magnetic field energy into the high-frequency alternating current electric energy and inputs the high-frequency alternating current electric energy into the energy receiving processor, the energy receiving processor carries out rectification filtering and voltage reduction and voltage stabilization processing and then outputs power supply voltage meeting the power supply requirement of loads on the rocket, and the power supply voltage, a battery on the rocket and a power distributor jointly complete the ground test of the carrier rocket and the power supply.
2. The electromagnetic resonance-based high-power wireless power supply system for a launch vehicle and an arrow according to claim 1, wherein: the ground power supply converter comprises a rectifying circuit and a high-frequency inverter circuit, wherein the rectifying circuit rectifies 220V alternating current commercial power and outputs the rectified power to the high-frequency inverter circuit; the high-frequency inverter circuit converts the high-frequency inverter circuit into high-frequency alternating current electric energy required by resonance, and high frequency of energy transmission is achieved.
3. The electromagnetic resonance-based high-power wireless power supply system for a launch vehicle and an arrow according to claim 2, wherein: the high-frequency inverter circuit is of a topological structure with double MOSFETs connected in parallel and double freewheeling diodes connected in parallel, the double MOSFET parallel structure comprises eight MOSFETs, every four MOSFETs form a full-bridge topological structure, the eight MOSFETs form two parallel full-bridge topological structures, and each MOSFET is connected with a ceramic capacitor in parallel;
the dual-freewheeling diode parallel structure comprises four dual-freewheeling diodes D1, D2, D3 and D4, and each output end of the two parallel full-bridge topologies is connected with one dual-freewheeling diode.
4. The electromagnetic resonance-based high-power wireless power supply system for a launch vehicle and an arrow according to claim 1, wherein: the transmitting end LCC composite compensation topological circuit is arranged on the transmitting coil, the receiving end LCC composite compensation topological circuit is arranged on the receiving coil, resonance compensation is achieved, the transmitting loop and the receiving loop are enabled to resonate, the power factor of system transmission is improved, the reliability and robustness of the system are guaranteed, and the resonance frequency of the coil is independent of the coupling coefficient and the load condition.
5. The electromagnetic resonance-based high-power wireless power supply system for a launch vehicle and an arrow according to claim 4, wherein: the transmitting end LCC composite compensation topology circuit comprises a capacitor C1Capacitor Cf1And an inductance Lf1；
One output end of the high-frequency inverter circuit and the inductor Lf1One end of the first and second terminals is connected to a capacitor Cf1Is connected to one end of the transmitting coil, an inductance Lf1The other end of the capacitor is simultaneously connected with the capacitor C1One terminal of and a capacitor Cf1Is connected at the other end to a capacitor C1And the other end of the second coil is connected with the other end of the transmitting coil.
6. The electromagnetic resonance-based system of claim 4The high-power wireless power supply system of carrier rocket ground that shakes, its characterized in that: the receiving end LCC composite compensation topology circuit comprises a capacitor C2Capacitor Cf2And an inductance Lf2；
One end of the receiving coil and the capacitor C2One end of the receiving coil is connected with the other end of the receiving coil and the capacitor Cf2One end of the capacitor is connected with one input end of the energy receiving processor, and the capacitor Cf2The other end of the capacitor is connected with the capacitor C2The other end and an inductor Lf2Is connected to an inductor Lf2And the other end of the second switch is connected with the other input end of the energy receiving processor.
7. The electromagnetic resonance-based high-power wireless power supply system for a launch vehicle and an arrow according to claim 1, wherein: after the energy receiving processor is rectified and filtered, the voltage reduction and stabilization processing is realized through a buck circuit in multi-phase staggered parallel connection, and 28V direct current which can be used for charging a storage battery or loading on an arrow is obtained.
8. The electromagnetic resonance-based high-power wireless power supply system for a launch vehicle and an arrow according to claim 1, wherein: the frequency of the high-frequency alternating current electric energy obtained by the ground power supply converter is the same as the natural frequency of the transmitting coil.
9. The electromagnetic resonance-based high-power wireless power supply system for a launch vehicle and an arrow according to claim 8, wherein: the natural frequency of the receiving coil is the same as the natural frequency of the transmitting coil.
10. The electromagnetic resonance-based high-power wireless power supply system for a launch vehicle and an arrow according to claim 9, wherein: the frequency of the alternating magnetic field generated by the transmitting coil is the same as the natural frequency of the receiving coil.
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| CN111917164A (en) * | 2020-07-09 | 2020-11-10 | 中国电力科学研究院有限公司 | Wireless charging system applied to transformer substation inspection robot |
| CN111934444A (en) * | 2020-08-12 | 2020-11-13 | 安洁无线科技（苏州）有限公司 | Wireless charging protection system and method |
| CN112072800A (en) * | 2020-07-30 | 2020-12-11 | 北京临近空间飞行器系统工程研究所 | Electromagnetic coupling-based aircraft wireless charging system and method |
| CN113036940A (en) * | 2021-01-08 | 2021-06-25 | 南京理工大学 | Magnetic coupling system suitable for wireless power transmission between rocket and ground |
| EP3940945A1 (en) * | 2020-07-16 | 2022-01-19 | STMicroelectronics Asia Pacific Pte Ltd. | Ldo free wireless power receiver having rectifier |
| CN113985847A (en) * | 2021-10-28 | 2022-01-28 | 北京宇航系统工程研究所 | Ground measurement and control equipment fast switch adaptation system suitable for polytype rocket |
| CN115765218A (en) * | 2023-01-09 | 2023-03-07 | 东方空间(西安)宇航技术有限公司 | Wireless transmission device and system of rocket |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203326917U (en) * | 2013-05-30 | 2013-12-04 | 西安理工大学 | Apparatus increasing output pulse frequency of magnetron sputtering pulse power supply |
| CN103501115A (en) * | 2013-10-15 | 2014-01-08 | 扬州瑞控汽车电子有限公司 | Interleaved and parallel working direct-current (DC) step-down circuit |
| CN207339431U (en) * | 2017-06-27 | 2018-05-08 | 青岛鲁渝能源科技有限公司 | Radio energy transmission system |
| CN108282035A (en) * | 2018-02-07 | 2018-07-13 | 山东大学 | Wireless electric energy transmission device and method suitable for anti-systematic parameter wide swings |
| CN108696143A (en) * | 2018-07-03 | 2018-10-23 | 浙江中创天成科技有限公司 | A kind of method of online real-time optimization wireless charging system inverter frequency and system power |
| CN109586422A (en) * | 2018-11-15 | 2019-04-05 | 北京宇航系统工程研究所 | A kind of using the wireless arrow of laser radio power supply and laser wireless communication interface |
-
2019
- 2019-11-15 CN CN201911122344.9A patent/CN111030314A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203326917U (en) * | 2013-05-30 | 2013-12-04 | 西安理工大学 | Apparatus increasing output pulse frequency of magnetron sputtering pulse power supply |
| CN103501115A (en) * | 2013-10-15 | 2014-01-08 | 扬州瑞控汽车电子有限公司 | Interleaved and parallel working direct-current (DC) step-down circuit |
| CN207339431U (en) * | 2017-06-27 | 2018-05-08 | 青岛鲁渝能源科技有限公司 | Radio energy transmission system |
| CN108282035A (en) * | 2018-02-07 | 2018-07-13 | 山东大学 | Wireless electric energy transmission device and method suitable for anti-systematic parameter wide swings |
| CN108696143A (en) * | 2018-07-03 | 2018-10-23 | 浙江中创天成科技有限公司 | A kind of method of online real-time optimization wireless charging system inverter frequency and system power |
| CN109586422A (en) * | 2018-11-15 | 2019-04-05 | 北京宇航系统工程研究所 | A kind of using the wireless arrow of laser radio power supply and laser wireless communication interface |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431297A (en) * | 2020-04-25 | 2020-07-17 | 哈尔滨工业大学 | Multi-relay multi-load bidirectional wireless power transmission system with strong anti-offset performance |
| CN111431297B (en) * | 2020-04-25 | 2023-09-08 | 哈尔滨工业大学 | Multi-relay multi-load bidirectional wireless power transmission system with strong anti-offset performance |
| CN111917164A (en) * | 2020-07-09 | 2020-11-10 | 中国电力科学研究院有限公司 | Wireless charging system applied to transformer substation inspection robot |
| EP3940945A1 (en) * | 2020-07-16 | 2022-01-19 | STMicroelectronics Asia Pacific Pte Ltd. | Ldo free wireless power receiver having rectifier |
| US11368052B2 (en) | 2020-07-16 | 2022-06-21 | Stmicroelectronics Asia Pacific Pte Ltd | LDO free wireless power receiver having regtifier |
| CN112072800A (en) * | 2020-07-30 | 2020-12-11 | 北京临近空间飞行器系统工程研究所 | Electromagnetic coupling-based aircraft wireless charging system and method |
| CN111934444A (en) * | 2020-08-12 | 2020-11-13 | 安洁无线科技（苏州）有限公司 | Wireless charging protection system and method |
| CN113036940A (en) * | 2021-01-08 | 2021-06-25 | 南京理工大学 | Magnetic coupling system suitable for wireless power transmission between rocket and ground |
| CN113985847A (en) * | 2021-10-28 | 2022-01-28 | 北京宇航系统工程研究所 | Ground measurement and control equipment fast switch adaptation system suitable for polytype rocket |
| CN115765218A (en) * | 2023-01-09 | 2023-03-07 | 东方空间(西安)宇航技术有限公司 | Wireless transmission device and system of rocket |
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