CN113890002B - Power supply and beam control method based on four-quadrant phased array antenna - Google Patents
Power supply and beam control method based on four-quadrant phased array antenna Download PDFInfo
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- CN113890002B CN113890002B CN202111456322.3A CN202111456322A CN113890002B CN 113890002 B CN113890002 B CN 113890002B CN 202111456322 A CN202111456322 A CN 202111456322A CN 113890002 B CN113890002 B CN 113890002B
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/08—Three-wire systems; Systems having more than three wires
- H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a method for power supply and beam control based on a four-quadrant phased array antenna, which comprises the steps of converting a power supply accessed at a power supply interface into a first group of power supplies, converting the power supply accessed at the power supply interface into a second group of power supplies, converting the power supply accessed at the power supply interface into a third power supply, wherein the third group of power supplies is used for supplying power to a control main chip, converting the power supply accessed at the power supply interface into a fourth power supply, converting the power supply accessed at the power supply interface into a fifth power supply, and a storage unit is used for storing interactive instruction information for controlling the main chip, a T/R assembly, a signal processing part and a channel; and a power management module is arranged for controlling the power supply time of the main control chip, the T/R component, the signal processing part and the channel according to the working state of the phased array antenna. The power supply is reasonably distributed to effectively prevent heat accumulation caused by overlong service time of components on the mainboard and prolong the service life of the mainboard and the components on the mainboard.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a method based on power supply and beam control of a four-quadrant phased array antenna.
Background
In a radio device, a device for radiating and receiving radio waves is called an antenna. It is apparent that the function of a radiation antenna is to radiate radio waves outward, the function of a reception antenna is to receive radio waves, and the antenna is a converter that converts a guided wave propagating on a transmission line into an electromagnetic wave or vice versa, that is, converts the electromagnetic wave into a guided wave propagating on the transmission line.
The application form of the antenna is various, such as phased array radar, which uses a large number of small antennas to perform element arrangement to form antenna elements, the function of the antenna elements is to radiate electromagnetic waves outwards, so called radiating elements, a plurality of radiating elements form a radar area array, and each antenna element is controlled by a separate switch to form different phase beams. Each radiating element is independently controlled by the beam control and the phase shifter in phase and amplitude, and an accurate and predictable radiation pattern and beam pointing direction can be obtained. When the radar works, the transmitter distributes power to each antenna unit through a feeder network, radiates energy through a large number of independent antenna units and performs power synthesis in space to form needed beam pointing. The high-frequency oscillation current sent by the transmitter is radiated by the antenna unit after passing through the T/R assembly, the T/R assembly is a part between radio frequency and an antenna in a wireless transceiving system, namely one end of the T/R assembly is connected with the antenna, and the other end of the T/R assembly is connected with the intermediate frequency processing unit to form the wireless transceiving system, and radio frequency signals are radiated by the antenna after being attenuated by the intermediate frequency processing unit.
T/R is an abbreviation for Transmitter and Receiver. The T/R component is generally a part between a radio frequency and an antenna in a wireless transceiving system, that is, a wireless transceiving system is formed by connecting one end of the T/R component to the antenna and connecting the other end of the T/R component to an intermediate frequency processing unit, and functions of the T/R component are to amplify, phase shift and attenuate signals.
However, in a wireless transceiving system, a T/R component in an existing phased-array antenna has a large influence on signal radiation or conversion, and the T/R component is required to operate stably, but in an actual operation process, the T/R component has a large power supply requirement, and long-time operation causes heat accumulation, which affects operation stability of a board on which the wireless transceiving system is located.
Disclosure of Invention
Therefore, the invention provides a method based on power supply and beam control of a four-quadrant phased array antenna, which can solve the problem of heat accumulation generated by a T/R assembly in a wireless transceiving system.
In order to achieve the above object, the present invention provides a method for power supply and beam control based on a four-quadrant phased array antenna, comprising:
converting a power supply accessed at a power supply interface into a first group of power supplies, wherein the first group of power supplies are used for supplying power to a T/R assembly in an antenna;
converting a power supply accessed at a power supply interface into a second group of power supplies, wherein the second group of power supplies are used for supplying power to an antenna control unit, the antenna control unit is connected with a control main chip, and the antenna control unit is used for controlling an antenna array;
converting a power supply accessed at a power supply interface into a third power supply, wherein the third group of power supplies are used for supplying power to a control main chip, the control main chip is used for controlling the wave beam of the antenna, and the control main chip is communicated with a signal processing part and controls a channel;
converting a power supply accessed at a power supply interface into a fourth power supply, wherein the fourth power supply is used for supplying power to a channel, and the channel is used for realizing transmission of radio frequency signals under the control of a control main chip;
converting a power supply accessed at a power supply interface into a fifth power supply, wherein the fifth power supply is used for supplying power to a storage unit, and the storage unit is used for storing interactive instruction information of the control main chip, the T/R assembly, the signal processing part and the channel;
a power supply management module is arranged and is respectively connected with the first group of power supplies, the second group of power supplies, the third power supply, the fourth power supply and the fifth power supply, and is used for controlling the power supply duration of the control main chip, the T/R component, the signal processing part and the channel according to the working state of the phased array antenna;
the power management system comprises a first group of power supplies, a power management module and a power management module, wherein the first group of power supplies are used for carrying out telemetering monitoring on power management parameters of a T/R assembly through a bus, standard operation parameters of the T/R assembly are preset in the power management module, and if the actual parameters of the T/R assembly monitored by the first group of power supplies are not consistent with the standard operation parameters, the power management module is used for redistributing the power supply time of a second group of power supplies, a third power supply, a fourth power supply and a fifth power supply so that the actual parameters of the T/R assembly are consistent with the standard operation parameters.
Further, when the actual parameter X of the T/R component is larger than or equal to the standard operation parameter X0, the distributed electric quantity of the first group of power supplies is excessive, and at the moment, the redundant electric quantity of the first group of power supplies is proportionally distributed to the second group of power supplies, the third power supplies, the fourth power supplies and the fifth power supplies according to the real-time electric quantity of the first group of power supplies, so that the power supply time of the second group of power supplies, the third power supplies, the fourth power supplies and the fifth power supplies is prolonged.
Further, the surplus power Q10 of the first group of power supplies = actual power Q1 × (X-X0)/X0 of the first group of power supplies.
Further, a first distribution coefficient k1, a second distribution coefficient k2, a third distribution coefficient k3, and a fourth distribution coefficient k4 are provided in the power management module, and when the power management module is proportionally allocated to the second group of power sources, the third power sources, the fourth power sources, and the fifth power sources, the first distribution coefficient k1 is selected to be applied to the second group of power sources, the second distribution coefficient k2 is selected to be applied to the third power sources, the third distribution coefficient k3 is selected to be applied to the fourth power sources, and the fourth distribution coefficient k4 is selected to be applied to the fifth power sources, and the first distribution coefficient k1+ the second distribution coefficient k2+ the third distribution coefficient k3+ the fourth distribution coefficient k4= 1.
Further, the power of the second group of power sources is Q2, the power of the third power source is Q3, the power of the fourth power source is Q4, and the power of the fifth power source is Q5;
selecting the electric quantity of the second group of power supplies after the first distribution coefficient k1 is applied to the second group of power supplies as Q2' = Q2+ Q10 × k 1;
selecting the second distribution coefficient k2 to act on the electric quantity of the third power supply as Q3' = Q3+ Q10 × k 2;
selecting the third distribution coefficient k3 to act on the electric quantity of the fourth power supply as Q4' = Q4+ Q10 × k 3;
the fourth distribution coefficient k4 is selected to act on the amount of power of the fifth power supply as Q5' = Q5+ Q10 × k 4.
Further, an isolation power supply and an anti-reverse connection circuit are arranged, the isolation power supply is arranged between the power supply interface and the first group of power supply, the second group of power supply, the third power supply, the fourth power supply and the fifth power supply, the anti-reverse connection circuit is connected with the isolation circuit, the isolation power supply is a 600W isolation power supply, 18V-36V power supply input and 12V isolation output are input, and the power supply input is connected with the anti-reverse connection circuit.
Furthermore, the anti-reverse-connection circuit is realized by an NMOS (N-channel metal oxide semiconductor) tube, the first resistor and the first resistor provide conduction voltage for the G pole and the S pole of the NMOS tube, and the voltage stabilizing diode keeps the conduction voltage of the G pole and the S pole stable at 5.6V.
Further, the first group of power supplies are power supply micromodules LTM4700EY, the first group of power supplies are connected with a remote control module, a monitoring program is arranged in the remote control module, the remote control module is used for remotely controlling the first group of power supplies, and the monitoring program is used for monitoring power supply management parameters in the first group of power supplies.
Further, the fifth power supply is LTM4632EV, and the memory unit includes a DDR memory and a cache memory.
Further, XC7Z035-2FFG676I is adopted by the control main chip for carrying out beam control on the antenna array, communicating with the signal processing part and controlling the channel.
Compared with the prior art, the power supply control method has the advantages that the operation parameters of the T/R component in the phased array antenna are monitored in real time, the electric quantity of other power supplies is adjusted according to the monitoring result, reasonable distribution of the electric quantity of the power supplies at the power supply interface is realized, the power supply control of the antenna array in the phased array antenna is completed, the second group of power supplies are used for supplying power to the antenna control unit, the third power supply is used for supplying power to the control main chip, the fourth power supply is used for supplying power to the channel, the fifth power supply is used for supplying power to the storage unit, the integration of the mainboard where the phased array antenna is located and other parts on the mainboard for assisting the normal operation of the phased array antenna is realized through the power supplies, so that the parts on the mainboard are more concentrated, the use is more convenient, the use convenience is improved, in addition, the use time after the integration of the parts on the mainboard and the power supplies are reasonably distributed, and the use of the parts on the mainboard are effectively prevented from being used The heat accumulation caused by overlong interval prolongs the service life of the mainboard and the components on the mainboard.
Particularly, the power supply time of the second group of power supply, the third power supply, the fourth power supply and the fifth power supply is increased, and the power supply time of the power supplies is increased according to the surplus electric quantity of the first group of power supplies in proportion, so that the power supply in the phased array antenna is more reasonably distributed, the uniformity of heat generated by the power supplies is ensured, and heat accumulation is effectively prevented.
Especially, through confirming the unnecessary electric quantity of first group power, confirm this unnecessary electric quantity and form the accumulational influence degree of heat to the T/R subassembly, distribute according to unnecessary electric quantity, reduce the accumulational risk of heat for the electric quantity distribution of first group power is more accurate and intelligent, guarantees the stability of the mainboard operation at phased array antenna place.
In particular, the distribution of the redundant electric quantity of the first group of power supply is realized by setting four distribution coefficients, the redundant electric quantity is distributed to the second group of power supply, the third power supply and the fourth power supply, the sum of the four distribution coefficients is 1, the accurate distribution of the electric quantity of the first group of power supply is realized, the accurate distribution of the redundant electric quantity is realized according to the actual electric quantity loss of the antenna control unit, the control main chip, the channel and the storage unit, the heat balance on the mainboard is ensured, and the excessive accumulation of heat and the influence on the performance are prevented.
Particularly, by increasing a part of redundant electric quantity of the first group of power supplies on the basis of electric quantity of each power supply, efficient distribution of the first group of power supplies is realized, heat accumulation caused by sudden increase of electric quantity of each power supply is prevented, heat balance of each structure on the mainboard is ensured, and service lives of the mainboard and each structural component on the mainboard are prolonged.
Particularly, the anti-reverse-connection circuit is connected, so that main power supply of a power supply output by the power supply interface has positive and negative reverse-connection protection, intelligent control over power supply use is achieved, when the board card of the mainboard generates a large amount of heat, the power supply can be turned off under the control of an external signal, and effective protection over the board card of the mainboard is achieved.
Particularly, the positive and negative electrodes of the power supply are effectively connected by adopting the NMOS tube, so that the connection error is prevented, the safety of the NMOS tube is prevented from being influenced, the output of voltage is normal only when the NMOS tube is connected correctly and otherwise the NMOS tube cannot work.
Particularly, the type of the control main chip is limited, so that the control main chip is high in cost performance, convenient to manufacture, low in cost and capable of ensuring the stability of the operation of the phased array antenna.
Especially, the DDR memory and the cache memory are arranged to store the instruction information in the mainboard and control the storage of the communication channel of the main chip, so that the operation process of the mainboard can be inquired, the main control chip can acquire the operation state by calling the information in the storage unit, and the operation is convenient and fast.
Drawings
Fig. 1 is a schematic flowchart of a method for power supply and beam control based on a four-quadrant phased array antenna according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a phased array antenna power supply provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a peripheral structure of a control master chip according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an anti-reverse connection circuit in the embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a method for power supply and beam steering based on a four-quadrant phased array antenna according to an embodiment of the present invention includes:
step S100: converting a power supply accessed at a power supply interface into a first group of power supplies, wherein the first group of power supplies are used for supplying power to a T/R assembly in an antenna;
step S200: converting a power supply accessed at a power supply interface into a second group of power supplies, wherein the second group of power supplies are used for supplying power to an antenna control unit, the antenna control unit is connected with a control main chip, and the antenna control unit is used for controlling an antenna array;
step S300: converting a power supply accessed at a power supply interface into a third power supply, wherein the third group of power supplies are used for supplying power to a control main chip, the control main chip is used for controlling the wave beam of the antenna, and the control main chip is communicated with a signal processing part and controls a channel;
step S400: converting a power supply accessed at a power supply interface into a fourth power supply, wherein the fourth power supply is used for supplying power to a channel, and the channel is used for realizing transmission of radio frequency signals under the control of a control main chip;
step S500: converting a power supply accessed at a power supply interface into a fifth power supply, wherein the fifth power supply is used for supplying power to a storage unit, and the storage unit is used for storing interactive instruction information of the control main chip, the T/R assembly, the signal processing part and the channel;
step S600: a power supply management module is arranged and is respectively connected with the first group of power supplies, the second group of power supplies, the third power supply, the fourth power supply and the fifth power supply, and is used for controlling the power supply duration of the control main chip, the T/R component, the signal processing part and the channel according to the working state of the phased array antenna;
the power management module is used for remotely monitoring power management parameters of the T/R assembly through the PMBus, standard operation parameters of the T/R assembly are preset in the power management module, and if the actual parameters of the T/R assembly monitored by the first group of power supply do not accord with the standard operation parameters, the power management module redistributes power supply time of the second group of power supply, the third power supply, the fourth power supply and the fifth power supply so that the actual parameters of the T/R assembly accord with the standard operation parameters.
Specifically, the power supply is also connected with a switch controller for switching the power supply, and the switch controller is controlled by an external signal. The external signal may be sent from an external terminal, which may be a computer. In the practical application process, when the third power supply supplies power to the control main chip, the control main chip realizes the total control of the turning on or turning off of the first group of power supplies, the second group of power supplies, the third power supply, the fourth power supply and the fifth power supply, and each power supply is turned on to be turned off, namely the power supply duration of the power supply, so that the control main chip monitors and configures each power supply parameter of the first group of power supplies, namely the power supply parameters for the T/R assembly. The first group of power supplies, the second group of power supplies, the third power supply, the fourth power supply and the fifth power supply adopt a parallel and simultaneous power supply mode, and the switching and monitoring of the first group of power supplies can be managed by the main control chip.
Specifically, the embodiment of the invention realizes the reasonable distribution of the power quantity of the power supply at the power supply interface by monitoring the operation parameters of the T/R component in the phased array antenna in real time and adjusting the power quantity of other power supplies according to the monitoring result, so as to complete the power supply control of the antenna array in the phased antenna, the second group of power supplies are used for supplying power to the antenna control unit, the third power supply is used for supplying power to the control main chip, the fourth power supply is used for supplying power to the channel, the fifth power supply is used for supplying power to the storage unit, the main board where the phased array antenna is located and other parts on the main board for assisting the normal operation of the phased array antenna are integrated through each power supply, so that the parts on the main board are more concentrated, the use is more convenient during use, the use convenience is improved, in addition, the use time after the parts on the main board are integrated and the reasonable distribution of the power supply is carried out, so that the heat caused by the overlong use time of the parts on the main board is effectively prevented And the service life of the main board and the components on the main board is prolonged.
Specifically, when the actual parameter X of the T/R component is larger than or equal to the standard operation parameter X0, the distributed electric quantity of the first group of power supplies is excessive, and at the moment, the redundant electric quantity of the first group of power supplies is proportionally distributed to the second group of power supplies, the third group of power supplies, the fourth group of power supplies and the fifth group of power supplies according to the real-time electric quantity of the first group of power supplies, so that the power supply duration of the second group of power supplies, the third group of power supplies, the fourth group of power supplies and the fifth group of power supplies is prolonged.
Specifically, the power supply duration of the second group of power supplies, the third power supplies, the fourth power supplies and the fifth power supplies is increased, and the power supply duration of the power supplies is proportionally distributed according to the redundant electric quantity of the first group of power supplies, so that the power supply distribution in the phased array antenna is more reasonable, the uniformity of heat generated by the power supplies is ensured, and the heat accumulation is effectively prevented.
Specifically, the first-group power supply surplus power amount Q10= the first-group power supply actual power amount Q1 × (X-X0)/X0.
Specifically, the method and the device determine the influence degree of the surplus electric quantity on the heat accumulation of the T/R assembly by determining the surplus electric quantity of the first group of power supplies, distribute the surplus electric quantity according to the surplus electric quantity, reduce the risk of heat accumulation, enable the electric quantity distribution of the first group of power supplies to be more accurate and intelligent, and ensure the running stability of a mainboard where the phased array antenna is located.
Specifically, the power management module includes a first distribution coefficient k1, a second distribution coefficient k2, a third distribution coefficient k3, and a fourth distribution coefficient k4, and when the power management module is proportionally distributed to the second power supply group, the third power supply group, the fourth power supply group, and the fifth power supply group, the first distribution coefficient k1 is selected to be applied to the second power supply group, the second distribution coefficient k2 is selected to be applied to the third power supply group, the third distribution coefficient k3 is selected to be applied to the fourth power supply group, and the fourth distribution coefficient k4 is selected to be applied to the fifth power supply group, and the first distribution coefficient k1+ the second distribution coefficient k2+ the third distribution coefficient k3+ the fourth distribution coefficient k4= 1.
Specifically, in the embodiment of the invention, the four distribution coefficients are set to realize the distribution of the redundant electric quantity of the first group of power supplies, the redundant electric quantity is distributed to the second group of power supplies, the third power supply and the fourth power supply, the sum of the four distribution coefficients is 1, the accurate distribution of the electric quantity of the first group of power supplies is realized, the accurate distribution of the redundant electric quantity is realized according to the actual electric quantity loss of the antenna control unit, the control main chip, the channel and the storage unit, the heat balance on the mainboard is ensured, and the excessive accumulation of heat and the influence on the performance are prevented.
Specifically, the power of the second group of power supplies is Q2, the power of the third power supply is Q3, the power of the fourth power supply is Q4, and the power of the fifth power supply is Q5;
selecting the electric quantity of the second group of power supplies after the first distribution coefficient k1 is applied to the second group of power supplies as Q2' = Q2+ Q10 × k 1;
selecting the second distribution coefficient k2 to act on the electric quantity of the third power supply as Q3' = Q3+ Q10 × k 2;
selecting the third distribution coefficient k3 to act on the electric quantity of the fourth power supply as Q4' = Q4+ Q10 × k 3;
the fourth distribution coefficient k4 is selected to act on the amount of power of the fifth power supply as Q5' = Q5+ Q10 × k 4.
Specifically, according to the embodiment of the invention, a part of the redundant electric quantity of the first group of power supplies is increased on the basis of the electric quantity of each power supply, so that efficient distribution of the first group of power supplies is realized, heat accumulation caused by sudden increase of the electric quantity of each power supply is prevented, heat balance of each structure on the mainboard is ensured, and the service lives of the mainboard and each structural component on the mainboard are prolonged.
Specifically, an isolation power supply and an anti-reverse connection circuit are arranged, the isolation power supply is arranged between the power supply interface and the first group of power supply, the second group of power supply, the third power supply, the fourth power supply and the fifth power supply, the anti-reverse connection circuit is connected with the isolation circuit, the isolation power supply is a 600W isolation power supply, 18V-36V power supply input and 12V isolation output are input, and the power supply input is connected with the anti-reverse connection circuit, please refer to fig. 4.
Specifically, the embodiment of the invention enables the main power supply of the power supply output by the power supply interface to have the protection of the reverse connection of the positive electrode and the negative electrode by accessing the anti-reverse connection circuit, realizes the intelligent control of the power supply, and can control the power supply to be turned off by an external signal when the board card of the mainboard has large heat productivity, thereby realizing the effective protection of the board card of the mainboard.
Specifically, the anti-reverse connection circuit is realized by an NMOS (N-channel metal oxide semiconductor) tube, a first resistor and a first resistor provide conducting voltage for a G pole and an S pole of the NMOS tube, and a voltage stabilizing diode keeps the conducting voltage of the G pole and the S pole stable at 5.6V.
Specifically, the embodiment of the invention realizes the effect of accessing the positive electrode and the negative electrode of the power supply by adopting the NMOS tube, prevents access errors and influences the safety of the NMOS tube, and can work only when the NMOS tube is correctly accessed, the voltage output is normal, otherwise, the NMOS tube cannot work.
Specifically, the first group of power supplies are power supply micromodules LTM4700EY, the first group of power supplies are connected with a remote control module, a monitoring program is arranged in the remote control module, the remote control module is used for remotely controlling the first group of power supplies, and the monitoring program is used for monitoring power supply management parameters in the first group of power supplies.
Specifically, as shown in fig. 2, the embodiment of the present invention uses the power supply micromodule LTM4700EY as the power supply output of the first group of power supplies, and the LTM4700EY realizes a monolithic 100A current output, has a voltage design of 1.3V, has remote configurability, can realize program control, and can perform remote monitoring on power management parameters through PMBus (digital interface protocol based on open standard I2C). The first group of power supply parts provides 4 groups of 1.3V power supplies for the T/R components of the antenna, and each group of power supplies can reach 100A. The energy storage capacitor can provide that the peak value total current in the transmitting state is not less than 460A, the total current in the receiving state is not less than 280A, and the transmitting duty ratio is 15%. And three paths of power supplies are provided for the T/R assembly, the power supply voltages are respectively 1.2V, 1.2V and 3.3V, the power supply current of each path is 4A, the fourth power supply provides 12V/1A power supply for a channel, and the third power supply provides power for the ZYNQ control part.
Specifically, the fifth power supply is LTM4632 EV.
Specifically, the embodiment of the invention limits the type of the fifth power supply, and adopts the LTM4632EV to supply power to the memory cell, so as to ensure the stability of the operation of the memory cell and facilitate the access of the peripheral circuit.
Specifically, as shown in fig. 3, XC7Z035-2FFG676I is used by the control main chip to perform beam control on the antenna array, communicate with the signal processing part, and control the channel.
Specifically, the embodiment of the invention limits the type of the control main chip, and the control main chip of the type has high cost performance, is convenient to manufacture, reduces the cost and ensures the stability of the operation of the phased array antenna.
Specifically, the memory unit includes a DDR memory and a cache memory.
Specifically, the DDR memories and the cache memories are arranged to store the instruction information in the main board and control the communication channel of the main chip to store the instruction information, so that the operation process of the main board can be inquired, the main control chip can acquire the operation state by calling the information in the storage unit, the operation is convenient and quick, the number of the DDR memories is two, and more cache memories can be arranged according to actual needs, which is not listed.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for powering and beam steering based on a four-quadrant phased array antenna, comprising:
converting a power supply accessed at a power supply interface into a first group of power supplies, wherein the first group of power supplies are used for supplying power to a T/R assembly in an antenna;
converting a power supply accessed at a power supply interface into a second group of power supplies, wherein the second group of power supplies are used for supplying power to an antenna control unit, the antenna control unit is connected with a control main chip, and the antenna control unit is used for controlling an antenna array;
converting a power supply accessed at a power supply interface into a third power supply, wherein the third power supply is used for supplying power to a control main chip, the control main chip is used for controlling the wave beam of the antenna, and the control main chip is communicated with a signal processing part and controls a channel;
converting a power supply accessed at a power supply interface into a fourth power supply, wherein the fourth power supply is used for supplying power to a channel, and the channel is used for realizing transmission of radio frequency signals under the control of a control main chip;
converting a power supply accessed at a power supply interface into a fifth power supply, wherein the fifth power supply is used for supplying power to a storage unit, and the storage unit is used for storing interactive instruction information of the control main chip, the T/R assembly, the signal processing part and the channel;
a power supply management module is arranged and is respectively connected with the first group of power supplies, the second group of power supplies, the third power supply, the fourth power supply and the fifth power supply, and is used for controlling the power supply duration of the control main chip, the T/R component, the signal processing part and the channel according to the working state of the phased array antenna;
the power management system comprises a first group of power supplies, a power management module and a power management module, wherein the first group of power supplies are used for carrying out telemetering monitoring on power management parameters of a T/R assembly through a bus, standard operation parameters of the T/R assembly are preset in the power management module, and if the actual parameters of the T/R assembly monitored by the first group of power supplies are not consistent with the standard operation parameters, the power management module is used for redistributing the power supply time of a second group of power supplies, a third power supply, a fourth power supply and a fifth power supply so that the actual parameters of the T/R assembly are consistent with the standard operation parameters.
2. The method for powering and beam steering based on a four-quadrant phased array antenna according to claim 1,
when the actual parameter X of the T/R component is larger than or equal to the standard operation parameter X0, the distributed electric quantity of the first group of power supplies is excessive, and at the moment, the redundant electric quantity of the first group of power supplies is proportionally distributed to the second group of power supplies, the third power supplies, the fourth power supplies and the fifth power supplies according to the real-time electric quantity of the first group of power supplies so as to prolong the power supply time of the second group of power supplies, the third power supplies, the fourth power supplies and the fifth power supplies.
3. The method for powering and beam steering based on a four-quadrant phased array antenna as claimed in claim 2, characterized in that the amount of excess power of the first group of power supplies Q10= actual amount of power of the first group of power supplies Q1X (X-X0)/X0.
4. The method for powering and beam steering based on a four-quadrant phased array antenna according to claim 3,
a first distribution coefficient k1, a second distribution coefficient k2, a third distribution coefficient k3, and a fourth distribution coefficient k4 are provided in the power management module, and when the power management module is proportionally distributed to the second group of power sources, the third power sources, the fourth power sources, and the fifth power sources, the first distribution coefficient k1 is selected to be applied to the second group of power sources, the second distribution coefficient k2 is selected to be applied to the third power sources, the third distribution coefficient k3 is selected to be applied to the fourth power sources, and the fourth distribution coefficient k4 is selected to be applied to the fifth power sources, and the first distribution coefficient k1+ the second distribution coefficient k2+ the third distribution coefficient k3+ the fourth distribution coefficient k4= 1.
5. The method for powering and beam steering based on a four-quadrant phased array antenna according to claim 4,
the power of the second group of power supplies is Q2, the power of the third power supply is Q3, the power of the fourth power supply is Q4, and the power of the fifth power supply is Q5;
selecting the electric quantity of the second group of power supplies after the first distribution coefficient k1 is applied to the second group of power supplies as Q2' = Q2+ Q10 × k 1;
selecting the second distribution coefficient k2 to act on the electric quantity of the third power supply as Q3' = Q3+ Q10 × k 2;
selecting the third distribution coefficient k3 to act on the electric quantity of the fourth power supply as Q4' = Q4+ Q10 × k 3;
the fourth distribution coefficient k4 is selected to act on the amount of power of the fifth power supply as Q5' = Q5+ Q10 × k 4.
6. The method for powering and beam steering based on a four-quadrant phased array antenna according to claim 5,
the anti-reverse-connection circuit is characterized in that an isolation power supply and an anti-reverse-connection circuit are arranged, the isolation power supply is arranged between a power supply interface and a first group of power supplies, a second group of power supplies, a third power supply, a fourth power supply and a fifth power supply, the anti-reverse-connection circuit is connected with the isolation power supply, the isolation power supply is a 600W isolation power supply, 18V-36V power supply input and 12V isolation output are input, and the power supply input is connected with the anti-reverse-connection circuit.
7. The method for powering and beam steering a four-quadrant phased array antenna according to claim 6,
the anti-reverse-connection circuit is realized by an NMOS (N-channel metal oxide semiconductor) tube, a first resistor and a second resistor provide conduction voltage for a G pole and an S pole of the NMOS tube, and a voltage stabilizing diode keeps the conduction voltage of the G pole and the S pole stable at 5.6V.
8. The method for powering and beam steering a four-quadrant phased array antenna according to claim 7,
the first group of power supplies are power supply micromodules LTM4700EY, the first group of power supplies are connected with a remote control module, a monitoring program is arranged in the remote control module, the remote control module is used for remotely controlling the first group of power supplies, and the monitoring program is used for monitoring power supply management parameters in the first group of power supplies.
9. The method of claim 8, wherein the fifth power supply is LTM4632EV, and the memory unit comprises DDR memory and cache memory.
10. The method as claimed in claim 9, wherein the main control chip is XC7Z035-2FFG676I for controlling the beam of the antenna array, communicating with the signal processing unit and controlling the channel.
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| US20180183146A1 (en) * | 2016-12-27 | 2018-06-28 | Raytheon Company | Circuits and techniques for a via-less beamformer |
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| CN107861422A (en) * | 2017-11-03 | 2018-03-30 | 山东超越数控电子股份有限公司 | A kind of system for improving server master board power supply stability |
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