CN111123204A - Power array health management system - Google Patents
Power array health management system Download PDFInfo
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- CN111123204A CN111123204A CN201911308656.9A CN201911308656A CN111123204A CN 111123204 A CN111123204 A CN 111123204A CN 201911308656 A CN201911308656 A CN 201911308656A CN 111123204 A CN111123204 A CN 111123204A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
- G01S2013/0254—Active array antenna
Abstract
The invention relates to a power array health management system which comprises a main control unit, a plurality of data acquisition boards and a differential communication bus, wherein each data acquisition board in a power array is respectively assembled with each power supply and a fan, and the main control unit is connected with each data acquisition board through the differential communication bus. The invention adds a power supply online voltage regulating circuit, a power supply switch circuit and a fan online speed regulating circuit on the basis of the original data acquisition function, so that the hardware condition guarantee for online maintenance of the power supply is added on the basis of the original single data acquisition function. The machine is turned on and off step by step in a regional way; the output voltage is accurately adjusted in a positioning mode, and the output voltage is slowly started in different areas and different steps; the rotating speed of the fan is accurately set in a positioning mode, and the rotating speed of the fan in each area is set according to the temperature distribution of the power supply array in different areas; and maintaining the power supply state on line, namely adaptively adjusting the output voltage or the rotating speed of the fan, recording the report of the power supply state and performing online redundancy switching or alarming when the power supply state is abnormal.
Description
Technical Field
The invention belongs to the technical field of radar technology and power electronics, and relates to a power array health management system which is used for monitoring and adjusting the working state of a power array on an active phased array radar antenna in real time so as to ensure the normal operation of the power array and realize the reliable and stable work of a radar system.
Background
The active phased array radar is a commonly used radar system at present, and an antenna array surface of the active phased array radar comprises a distributed radio frequency transceiver module array, a power supply array, a signal processor, a frequency synthesizer and the like. The power supply array generally comprises dozens, hundreds or even more power supplies of the same type, a single power supply can provide low-voltage large-current power supply for one or a plurality of radio frequency transceiver modules, and the performance of the power supply array directly influences the working state and reliability of the radar system.
The power array of such active phased array radar antennas is a distributed power system, as opposed to a centralized power system of conventional radars. On the antenna, the power supply array has the disadvantages of large power supply quantity, dense installation, large heat consumption and complex electromagnetic environment, so that the power supply is difficult to radiate, has large electromagnetic interference and the like, and the performance of the power supply array is easy to be reduced or even fail. Aiming at the problem, a power supply health management technology is introduced into the power supply array, and each power supply in the power supply array is monitored, evaluated and adjusted in real time to ensure that the power supply array works safely and reliably.
The power health management technology of the power array generally collects data of the working state of each power supply, including input/output voltage, current, working temperature, power efficiency, ripple and the like. And evaluating the health level of each power supply according to the acquired power supply working state data, judging whether the state of each power supply is normal, performance is reduced or a fault occurs, and arranging whether each power supply continues to work, is used in a derating mode, is switched redundantly or is subjected to maintenance alarm according to the evaluation result.
The power health management system of the existing power array has the following defects:
1. on-line maintenance of power states
The power health management system of the conventional power array only collects the working state data of each power supply to evaluate the health level of each power supply, does not adjust the working parameters of the power supply on line to maintain the normal working state of the power supply, is difficult to adapt to the change of the external working environment, cannot ensure the continuous health state of the power array in a task period, influences the service life of the power supply in the system, and does not play a real role in power health management.
When the performance of a part of power supplies is reduced and even a fault occurs, the operating state of the power supplies cannot be derated or subjected to redundancy switching operation, so that the operating state of the whole power supply array is difficult to guarantee, and the normal operation of a superior system is influenced.
2. The surge of starting-up impact is large, and the power supply is easy to damage
The power supply array of the active phased array radar antenna has high output power, generally more than one hundred kilowatts, the power supply system has high impact surge during starting, the electromagnetic interference is serious, the power supply is easy to lose efficacy, and the power supply array not only causes the damage of the power supply, but also causes backward flow impact on power supply systems such as a power grid or a generator and the like, thereby influencing the safe operation of the power supply system.
3. The adaptive adjustment of the heat radiation fan of the power supply array is not carried out
The power supply array of the active phased array radar antenna has high output power, so that a fan array for heat dissipation is needed, wherein the rotating speed of each fan influences the speed of heat dissipation wind, the heat dissipation effect and the working environment temperature of the power supply array.
Each fan in the fan array corresponds to each power supply in the power supply array, and the fans are installed nearby in a one-to-one correspondence mode, large in scale and large in quantity. According to the working requirement of the radar, the load of each power supply in the power supply array changes dynamically, each power supply is in different states, the rotating speed of each fan in the corresponding fan array is fixed, and the rotating speed of each fan cannot be adjusted adaptively according to the load change, so that the fan array is large in working noise and large in power consumption.
4. Without adaptive adjustment of the output voltage of the power supply array
Firstly, the output voltage of the power supply array is not adaptively adjusted during power-on, and the impact on a load end is large.
Secondly, when online, the output voltage is not adaptively adjusted, the output power amplitude of the load cannot be changed, and the requirements of various working environments are difficult to adapt to: if the positioning is accurate, the voltage is regulated, the slow start of the starting is realized by any time sequence, and the voltage is output to slowly start according to the requirement; the positioning and accurate adjustment of the output voltage amplitude and the power regulation of the radio frequency transceiver module.
Disclosure of Invention
Technical problem to be solved
The power array health management system is provided for solving the problems that the power state is poor in online maintenance, the starting surge is large, the power is easy to damage, a heat radiation fan of the power array is not subjected to adaptive adjustment, the output voltage of the power array is not subjected to adaptive adjustment and the like in the power array health management system.
The invention realizes the on-line maintenance of the state power state of the power supply, reduces the starting surge and reduces the noise and the electromagnetic interference by the adaptive adjustment measures of accurately positioning and adjusting the output voltage, the rotating speed of the fan, the power-on time sequence and the like of the power supply array, thereby meeting the requirement of the system on the health of the power supply, meeting the requirement of the previous-stage system on the power supply array and improving the overall reliability of the system.
Technical scheme
A power array health management system is characterized by comprising a main control unit, a plurality of data acquisition boards and a differential communication bus, wherein each data acquisition board in a power array is respectively assembled with each power supply and a fan; the data acquisition board comprises a sub-controller and an interface circuit thereof, a power state detection circuit, a power switch circuit, a power on-line voltage regulation circuit, a fan on-line speed regulation circuit, a fan detection circuit and a differential bus communication circuit; the power state detection circuit collects a plurality of working state signals of output voltage, current and working temperature from a power supply, converts the output current sampling signal into a voltage signal, converts the working temperature into a frequency signal, respectively converts the obtained voltage and frequency signals into data, and then sends the data to the sub-controllers and the interface circuits thereof; the power switch circuit receives the voltage switch control signal output by the sub-controller and the interface circuit, and converts the low-level voltage control signal into a high-level power switch signal to realize the on-off control of the power supply; the on-off control of the power supply is to control the AC input power supply of the power supply, and can also be to control the work enabling signal of the main control chip of the power supply so as to realize the on-off control of each power supply according to the requirement of the main control unit; the power supply online voltage regulating circuit receives output voltage regulating data of the sub-controllers and the interface circuit, converts the output voltage regulating data into a variable level signal through a digital-to-analog converter, and uses the variable level signal as a voltage reference for regulating the output voltage of the power supply, thereby realizing online voltage regulation of the output voltage; the fan detection circuit collects a rotating speed signal from a fan rotating speed detection line, the signal is the frequency for converting the rotating speed of the fan into a pulse square wave, a timing counter in the fan detection circuit detects the pulse square wave, the pulse in unit time is counted, the frequency is converted into binary data, and then the binary data is sent to the sub-controllers and the interface circuits thereof; in the sub-controllers and the interface circuit, calculating the actual rotating speed of the air outlet machine according to a rotating speed formula; the fan on-line speed regulating circuit converts the speed regulating command duty ratio data sent by the sub-controller and the interface circuit into PWM control signals corresponding to the duty ratio, and inputs the PWM control signals into a rotating speed regulating line of the fan to realize the rotating speed regulation of the fan; the sub-controllers and the interface circuit are connected with the differential communication bus through a differential bus communication circuit; the main control unit comprises a main controller and an interface circuit, a differential bus communication circuit and a superior system communication circuit, wherein the main controller and the interface circuit are connected with the differential communication bus through the differential bus communication circuit, and the main controller and the interface circuit are connected with the superior system through the superior system communication circuit.
The power supply online voltage regulating circuit receives output voltage regulating data of the sub-controllers and the interface circuit, and controls the resistance value of a digital potentiometer connected in series in the power supply sampling circuit, so that the power supply output voltage regulation is realized, and the output voltage online voltage regulation is realized.
The rotating speed calculation formula of the sub-controller and the interface circuit is as follows: the fan speed is measured x 600/min.
The main controller and the interface circuit read the state data of the power supply array and judge the health state of each power supply of the power supply array, and the method comprises the following steps:
a. the work is normal:
counting and recording working state parameters of each power supply of the power supply array at regular time and the duration time of normal working;
b. performance degradation
Counting and recording the current time, position and abnormal power supply working state parameters; positioning and accurately adjusting the output voltage of the abnormal power supply; adjusting the wind speed of the fan related to the power supply to adjust the power supply state to an acceptable working state; reporting the position and state parameters of the abnormal power supply at the same time;
c. fault replacement
Counting and recording the current time, position and working state parameters of the fault power supply; realizing redundant switching of the backup power supply, and recording and reporting the position and state parameter information of the backup power supply;
when the number of the switched power supplies exceeds the number of the backup power supplies, reporting warning information;
d. change of external working environment
Counting and recording the current external environment temperature and load current change information; the power supply output voltage influenced by the power supply output voltage is accurately adjusted in a positioning way; adjusting the wind speed of the fan related to the power supply to adjust the power supply state to a normal working state; reporting external environment temperature and load current change information;
in addition, historical data of the power supply array is recorded for future reference so as to analyze the running health condition and trend of the power supply array and judge whether the health condition of the power supply array is reduced or not, thereby providing a basis for online maintenance of the power supply array.
Advantageous effects
According to the power array health management system, the improved data acquisition board is additionally provided with a hardware condition guarantee for online maintenance of the power supply on the basis of the original single data acquisition function, and a control method of a main control unit is improved, so that the beneficial effects are achieved as follows:
1. the power supply array health management system can not only collect the working state data of each power supply to evaluate the health level of each power supply, but also adjust the working parameters of the power supplies on line to maintain the normal working state of the power supplies, adapt to the change of the external working environment, ensure the continuous health state of the power supply array in a task period, prolong the service life of the power supplies in the system and play the real role of power supply health management.
2. By regional and step-by-step startup and shutdown, instantaneous surge impact during startup of a power supply system is reduced, backward flow impact on power supply systems such as a power grid or a generator is avoided, electromagnetic interference is reduced, damage to a power supply in a power supply array is avoided, and reliability is improved. The area of the fan array is divided,
3. the method comprises the steps of accurately setting the rotation speed of a fan, dividing fan array areas according to the temperature distribution of a power supply array, and setting the rotation speed of the fan in each area; and moreover, the fan corresponding to each power supply of the power supply array can be adaptively adjusted, if the heat consumption of the power supply is increased, the rotating speed of the corresponding fan is increased, the heat dissipation capability is improved, otherwise, the rotating speed of the corresponding fan is reduced, noise and consumption are reduced, and the electromagnetic interference is reduced.
4. The output voltage of the power supply is adjusted through accurate positioning, and the slow start of the output voltage according to requirements can be realized at any time sequence. Therefore, the output voltage of the power supply array is adaptively adjusted, and the impact on a load end is reduced; and the precise positioning adjustment of the output power of the radio frequency transceiver module can be realized, and the requirements of various working environments are met.
Drawings
FIG. 1 is a block diagram of a power array health management system
FIG. 2 schematic diagram of a data acquisition board
FIG. 3 is a schematic diagram of a master control unit
FIG. 4 is a functional block diagram of a power array health management system
FIG. 5 Power State Online maintenance flow diagram
Detailed Description
The invention will now be further described with reference to the following examples and drawings:
the invention discloses a power array health management system which comprises a main control unit, a plurality of data acquisition boards and a differential communication bus, wherein each data acquisition board in a power array is respectively assembled with each power supply and a fan, and the main control unit is connected with each data acquisition board through the differential communication bus.
Firstly, the invention improves the data acquisition board: on the basis of the original data acquisition function, a power supply online voltage regulating circuit, a power switch circuit and a fan online speed regulating circuit are added, so that the hardware condition guarantee for online maintenance of the power supply is added on the basis of the original single data acquisition function.
Secondly, the invention improves the control method of the main control unit: the machine is turned on and off step by step in a regional way; the output voltage is accurately adjusted in a positioning mode, and the output voltage is slowly started in different areas and different steps; the rotating speed of the fan is accurately set in a positioning mode, and the rotating speed of the fan in each area is set according to the temperature distribution of the power supply array in different areas; and maintaining the power supply state on line, namely adaptively adjusting the output voltage or the rotating speed of the fan, recording the report of the power supply state and performing online redundancy switching or alarming when the power supply state is abnormal.
As shown in fig. 1, the power array health management system of the present invention includes a main control unit, a plurality of data acquisition boards, and a differential communication bus, where each data acquisition board is installed in combination with each power supply and each fan in the power array, and the main control unit is connected with each data acquisition board through the differential communication bus.
1. Data acquisition board
As shown in fig. 2, the data acquisition board includes a sub-controller and an interface circuit thereof, and a power state detection circuit, a power switch circuit, a power on-line voltage regulation circuit, a fan speed regulation circuit, a fan detection circuit, and a differential bus communication circuit connected to the sub-controller and the interface circuit thereof.
(1) Circuit connected to power supply
The power state acquisition circuit acquires working state signals such as output voltage, current and working temperature from a power supply, converts the output current sampling signals into voltage signals, converts the working temperature into frequency signals, respectively converts the three obtained voltage and frequency signals into data, and then sends the data to the sub-controllers and the interface circuits thereof.
The power switch circuit receives the voltage switch control signal output by the sub-controller and the interface circuit, converts the low-level voltage control signal into a high-level power switch signal, and realizes the control of the power switch. The on-off control of the power supply is to control the AC input power supply, and can also be to control the work enabling signal of the main control chip of the power supply to realize the on-off control of each power supply according to the requirement of the main control unit.
The power supply online voltage regulating circuit receives output voltage regulating data of the sub-controllers and the interface circuit, converts the output voltage regulating data into a variable level signal through a digital-to-analog converter, and uses the variable level signal as a voltage reference for regulating the output voltage of the power supply, thereby realizing online voltage regulation of the output voltage. The other realization mode is that the power supply online voltage regulating circuit receives output voltage regulating data of the sub-controllers and the interface circuit and controls the resistance value of a digital potentiometer connected in series in the power supply sampling circuit, thereby realizing the regulation of the output voltage of the power supply and further realizing the online voltage regulation of the output voltage.
(2) Circuit connected with fan
The fan used by the power supply array can be a self-contained rotating speed detection line and a rotating speed adjusting line. The fan rotating speed detection line is used for converting the fan rotating speed into pulse square wave frequency; the rotating speed regulating line can receive PWM signals, namely pulse width modulation signals with variable duty ratios, namely, the higher the duty ratio is, the faster the rotating speed of the fan is, and can also receive level control signals, namely, the higher the level is, the faster the rotating speed of the fan is.
The fan detection circuit collects a rotating speed signal from a fan rotating speed detection line, the signal is the frequency for converting the rotating speed of the fan into a pulse square wave, a timing counter in the fan detection circuit detects the pulse square wave, the pulse in unit time is counted, the frequency is converted into binary data, and then the binary data are sent to the sub-controllers and the interface circuits thereof. In the sub-controller and the interface circuit, the actual rotating speed of the fan is calculated according to a rotating speed formula, wherein the rotating speed formula can be as follows: the fan speed is measured x 600/min.
The fan on-line speed regulating circuit converts the speed regulating command duty ratio data sent by the sub-controller and the interface circuit into PWM control signals corresponding to the duty ratio, and inputs the PWM control signals into a rotating speed regulating line of the fan to realize the rotating speed regulation of the fan.
2. Main control unit
As shown in fig. 3, the main control unit includes a main controller and an interface circuit, a differential bus communication circuit, and a superior system communication circuit, the main controller and the interface circuit are connected to the differential communication bus through the differential bus communication circuit, and the main controller and the interface circuit are connected to the superior system through the superior system communication circuit.
(1) Main controller and interface circuit
The main controller and the interface circuit can be a single chip microcomputer and an interface circuit, and the interface circuit comprises a program memory, a data memory and an IO interface circuit. The main controller and the interface circuit can also be a PLC controller, an industrial computer and the like.
As shown in fig. 4, the power array health management system of the present invention is implemented by the main controller and the interface circuit.
The main controller addresses each data acquisition board and accurately positions the power supply and the fan corresponding to the data acquisition board. The power supply array is divided into areas, namely addresses of all power supplies and fans are classified, the areas can be divided from top to bottom, from left to right, from inside to outside, from outside to inside or in any mode, and the like, so that the power supplies or the fans in the power supply array can be positioned and operated accurately in batches.
Firstly, the power supply can be switched on and off step by step in different areas, the impact surge of a power supply system during starting is reduced, the electromagnetic interference is reduced, the reliability is improved, the power supply in a power supply array is prevented from being damaged, the backward flow impact on the power supply system such as a power grid or a generator is reduced, and the safe operation of the power supply system is ensured.
Secondly, the regional and step-by-step positioning and accurate adjustment of the output voltage of each power supply in different regions can be realized, so that the output voltage of the power supply can be slowly started in any time sequence, the output voltage is slowly increased to the rated working voltage, and the impact on a load end is reduced; in addition, the precise positioning adjustment of the output voltage amplitude can also realize the power adjustment of the radio frequency transceiver module.
Then, dividing areas of the fan array according to the temperature distribution of the power supply array, and accurately setting the fan rotating speed of each area according to the temperature distribution; and moreover, the fan corresponding to each power supply of the power supply array can be adaptively adjusted, if the heat consumption of the power supply is increased, the rotating speed of the corresponding fan is increased, the heat dissipation capability is improved, and otherwise, the rotating speed of the corresponding fan is reduced. Therefore, the problems of large noise, large power consumption and the like in working due to large fan array scale and large number of fans are solved, and the effects of reducing noise and consumption and reducing electromagnetic interference are achieved.
And finally, accurately positioning and regulating the output voltage of each power supply and accurately positioning and adjusting the rotating speed of the fan by accurately positioning each power supply and fan in the power supply array, realizing online maintenance of the power supply state, timely performing online redundancy switching when the work is abnormal, recording and reporting the power supply state, and performing maintenance and alarm.
As shown in fig. 5, after the operation is started, the main controller and the interface circuit read the status data of the power array, and determine the health status of each power supply of the power array:
e. the work is normal:
and counting and recording the working state parameters of each power supply of the power supply array at regular time and the duration time of normal working.
f. Performance degradation
Counting and recording the current time, position and abnormal power supply working state parameters; positioning and accurately adjusting the output voltage of the abnormal power supply; adjusting the wind speed of the fan related to the power supply to adjust the power supply state to an acceptable working state; and reporting the abnormal power position and state parameters.
g. Fault replacement
Counting and recording the current time, position and working state parameters of the fault power supply; and realizing redundant switching of the backup power supply, and recording and reporting the position and state parameter information of the backup power supply.
And reporting warning information when the number of the switched power supplies exceeds the number of the backup power supplies.
h. Change of external working environment
Counting and recording the current external environment temperature and load current change information; the power supply output voltage influenced by the power supply output voltage is accurately adjusted in a positioning way; adjusting the wind speed of the fan related to the power supply to adjust the power supply state to a normal working state; and reporting the external environment temperature and load current change information.
In addition, historical data of the power supply array is recorded for future reference so as to analyze the running health condition and trend of the power supply array and judge whether the health condition of the power supply array is reduced or not, thereby providing a basis for online maintenance of the power supply array.
(2) Differential bus communication circuit
The main controller and the interface circuit are connected with the differential communication bus through the differential bus communication circuit.
The differential bus communication circuit is realized by adopting a special interface chip which accords with the hardware specification of the corresponding differential bus, physical isolation is realized on the interface chip by adopting a photoelectric isolation device, and an anti-interference filter circuit is added on a signal line and a clock line of the interface chip to eliminate electromagnetic interference and improve the working reliability of the differential bus communication circuit.
(3) Communication circuit of upper system
The main controller and the interface circuit are connected with a superior system through a superior system communication circuit.
The communication circuit of the superior system is realized by adopting a special interface chip with the same communication interface as the superior system, physical isolation is realized on the interface chip by adopting a photoelectric isolation device, and an anti-interference filter circuit is added on a signal wire and a clock wire of the interface chip to eliminate electromagnetic interference and improve the working reliability of the communication circuit of the superior system.
3. Differential communication bus
Aiming at the characteristics of large quantity of power supplies, scattered positions and complex electromagnetic environment in a power supply array, a differential communication bus with high reliability, strong anti-jamming capability and large expansion capacity is adopted, and the differential communication bus CAN be an Ethernet bus, a CAN bus, an RS485 bus and the like to replace a common I with short communication distance and poor anti-jamming capability in the traditional power supply detection2C bus communication circuit for realizing multiple data acquisition boards at different positions and different distances in power supply array and main control unitBy means of communication.
Claims (4)
1. A power array health management system is characterized by comprising a main control unit, a plurality of data acquisition boards and a differential communication bus, wherein each data acquisition board in a power array is respectively assembled with each power supply and a fan; the data acquisition board comprises a sub-controller and an interface circuit thereof, a power state detection circuit, a power switch circuit, a power on-line voltage regulation circuit, a fan on-line speed regulation circuit, a fan detection circuit and a differential bus communication circuit; the power state detection circuit collects a plurality of working state signals of output voltage, current and working temperature from a power supply, converts the output current sampling signal into a voltage signal, converts the working temperature into a frequency signal, respectively converts the obtained voltage and frequency signals into data, and then sends the data to the sub-controllers and the interface circuits thereof; the power switch circuit receives the voltage switch control signal output by the sub-controller and the interface circuit, and converts the low-level voltage control signal into a high-level power switch signal to realize the on-off control of the power supply; the on-off control of the power supply is to control the AC input power supply of the power supply, and can also be to control the work enabling signal of the main control chip of the power supply so as to realize the on-off control of each power supply according to the requirement of the main control unit; the power supply online voltage regulating circuit receives output voltage regulating data of the sub-controllers and the interface circuit, converts the output voltage regulating data into a variable level signal through a digital-to-analog converter, and uses the variable level signal as a voltage reference for regulating the output voltage of the power supply, thereby realizing online voltage regulation of the output voltage; the fan detection circuit collects a rotating speed signal from a fan rotating speed detection line, the signal is the frequency for converting the rotating speed of the fan into a pulse square wave, a timing counter in the fan detection circuit detects the pulse square wave, the pulse in unit time is counted, the frequency is converted into binary data, and then the binary data is sent to the sub-controllers and the interface circuits thereof; in the sub-controllers and the interface circuit, calculating the actual rotating speed of the air outlet machine according to a rotating speed formula; the fan on-line speed regulating circuit converts the speed regulating command duty ratio data sent by the sub-controller and the interface circuit into PWM control signals corresponding to the duty ratio, and inputs the PWM control signals into a rotating speed regulating line of the fan to realize the rotating speed regulation of the fan; the sub-controllers and the interface circuit are connected with the differential communication bus through a differential bus communication circuit; the main control unit comprises a main controller and an interface circuit, a differential bus communication circuit and a superior system communication circuit, wherein the main controller and the interface circuit are connected with the differential communication bus through the differential bus communication circuit, and the main controller and the interface circuit are connected with the superior system through the superior system communication circuit.
2. The power array health management system of claim 1, wherein the power on-line regulator circuit receives output voltage regulation data from the slave controller and the interface circuit, and controls the resistance of the digital potentiometer serially connected to the power sampling circuit, thereby realizing power output voltage regulation, and thus realizing on-line output voltage regulation.
3. The power array health management system of claim 1, wherein the sub-controller and interface circuit rotation speed calculation formula is: the fan speed is measured x 600/min.
4. The system of claim 1, wherein the host controller and the interface circuit read status data of the power array to determine the health status of each power supply of the power array, and the system comprises:
a. the work is normal:
counting and recording working state parameters of each power supply of the power supply array at regular time and the duration time of normal working;
b. performance degradation
Counting and recording the current time, position and abnormal power supply working state parameters; positioning and accurately adjusting the output voltage of the abnormal power supply; adjusting the wind speed of the fan related to the power supply to adjust the power supply state to an acceptable working state; reporting the position and state parameters of the abnormal power supply at the same time;
c. fault replacement
Counting and recording the current time, position and working state parameters of the fault power supply; realizing redundant switching of the backup power supply, and recording and reporting the position and state parameter information of the backup power supply;
when the number of the switched power supplies exceeds the number of the backup power supplies, reporting warning information;
d. change of external working environment
Counting and recording the current external environment temperature and load current change information; the power supply output voltage influenced by the power supply output voltage is accurately adjusted in a positioning way; adjusting the wind speed of the fan related to the power supply to adjust the power supply state to a normal working state; reporting external environment temperature and load current change information;
in addition, historical data of the power supply array is recorded for future reference so as to analyze the running health condition and trend of the power supply array and judge whether the health condition of the power supply array is reduced or not, thereby providing a basis for online maintenance of the power supply array.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709318A (en) * | 1986-10-22 | 1987-11-24 | Liebert Corporation | UPS apparatus with control protocols |
| US6493243B1 (en) * | 1999-12-01 | 2002-12-10 | Acme Electric Corporation | Redundant power system and power supply therefor |
| JP2008204231A (en) * | 2007-02-21 | 2008-09-04 | Nec Corp | Power supply system, power supply unit, and method for enhancing efficiency of power supply |
| US20130221925A1 (en) * | 2012-02-20 | 2013-08-29 | Mitsubishi Heavy Industries, Ltd. | Power management system |
| CN105226818A (en) * | 2015-10-08 | 2016-01-06 | 许继集团有限公司 | A kind of DC control protecting platform cabinet Monitor and Control device |
| CN105654985A (en) * | 2016-02-02 | 2016-06-08 | 北京时代民芯科技有限公司 | Multi-power cell and time distribution electrifying system of FPGA configuration memory array |
| CN107276172A (en) * | 2017-07-14 | 2017-10-20 | 北斗民用战略新兴产业（重庆）研究院有限公司 | A kind of power management Regional Distribution structure of carry-on communication apparatus |
| CN108347092A (en) * | 2017-11-18 | 2018-07-31 | 深圳供电局有限公司 | A kind of method of substation's multiterminal in-put of spare power supply control |
| CN109633559A (en) * | 2018-11-26 | 2019-04-16 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Phased-array radar TR component power supply |
-
2019
- 2019-12-18 CN CN201911308656.9A patent/CN111123204B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709318A (en) * | 1986-10-22 | 1987-11-24 | Liebert Corporation | UPS apparatus with control protocols |
| US6493243B1 (en) * | 1999-12-01 | 2002-12-10 | Acme Electric Corporation | Redundant power system and power supply therefor |
| JP2008204231A (en) * | 2007-02-21 | 2008-09-04 | Nec Corp | Power supply system, power supply unit, and method for enhancing efficiency of power supply |
| US20130221925A1 (en) * | 2012-02-20 | 2013-08-29 | Mitsubishi Heavy Industries, Ltd. | Power management system |
| CN105226818A (en) * | 2015-10-08 | 2016-01-06 | 许继集团有限公司 | A kind of DC control protecting platform cabinet Monitor and Control device |
| CN105654985A (en) * | 2016-02-02 | 2016-06-08 | 北京时代民芯科技有限公司 | Multi-power cell and time distribution electrifying system of FPGA configuration memory array |
| CN107276172A (en) * | 2017-07-14 | 2017-10-20 | 北斗民用战略新兴产业（重庆）研究院有限公司 | A kind of power management Regional Distribution structure of carry-on communication apparatus |
| CN108347092A (en) * | 2017-11-18 | 2018-07-31 | 深圳供电局有限公司 | A kind of method of substation's multiterminal in-put of spare power supply control |
| CN109633559A (en) * | 2018-11-26 | 2019-04-16 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Phased-array radar TR component power supply |
Non-Patent Citations (1)
| Title |
|---|
| 孙颋等: "基于CAN FD总线的有源相控阵雷达阵面电源监控系统设计", 《电子测量技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080745A (en) * | 2023-10-18 | 2023-11-17 | 成都天锐星通科技有限公司 | Integrated phased array antenna system and phased array antenna terminal |
| CN117080745B (en) * | 2023-10-18 | 2024-01-19 | 成都天锐星通科技有限公司 | Integrated phased array antenna system and phased array antenna terminal |
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