CN103414236A - Pico-satellite-borne power supply system based on low-power MCU - Google Patents
Pico-satellite-borne power supply system based on low-power MCU Download PDFInfo
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a pico-satellite-borne power supply system based on a low-power MCU. The pico-satellite-borne power supply system based on the low-power MCU is used for solving the technical problem that an existing pico-satellite-borne power supply system is poor in reliability. The technical scheme is that a battery managing unit, a DC-DC boosting module, an LDO voltage stabilizer, an LDO voltage-reducing module and the low-power MCU are added. Protecting a storage battery against excessive charging, excessive discharging and overheat is integrated on the battery managing unit which comprehensively monitors and adjusts discharging and charging of the storage battery. A signal collecting unit and an order actuating unit are integrated on the low-power MCU unit. The low-power MCU unit is used for monitoring and controlling the whole power supply system, can boost intelligent management of the power supply system, improve the utilization efficiency of energy and therefore, improve the reliability of the whole power supply system.
Description
Technical field
The present invention relates to the satellite carried power-supply system of a kind of skin, particularly relate to the satellite carried power-supply system of a kind of skin based on low-power consumption MCU.
Background technology
With reference to Fig. 1.The feather weight satellite that known skin satellite is a kind of novel concept, it be take the new and high technologies such as micro-nano technology and Micro Electro Mechanical System and is basis, the outstanding advantages such as have design simplification, volume is little, lightweight, development cost is low, the emission cycle is short; The skin satellite is comprised of TT&C system, attitude control system, Star Service management system and Integrated Electronic System etc.Wherein Integrated Electronic System comprises power-supply system and spaceborne computer.Power-supply system is the crucial subsystem of skin satellite, it is being undertaken is the vital task of other subsystems and payload power supply, improving high efficiency and the reliability of skin satellite power system, is to realize that skin satellite performance is high, lightweight, the little indispensable key factor of volume.
With reference to Fig. 2.Document " guilt Chongqing is good. the development of skin satellite power system [D]. and Zhejiang Hangzhou: Zhejiang University's information and engineering college, publication date: 2010.03.09 " a kind of skin satellite power system disclosed.This skin satellite power system adopts solar cell+storage battery mode to whole star power supply, and the specific works principle is: when the skin satellite was in area of illumination, solar cell power generation powering load, if unnecessary continuation of electric weight charged a battery; When the skin satellite was in shadow region, solar cell stopped generating, changes by the battery discharging powering load; Existing skin satellite power system adopts the direct bus in parallel of storage battery mostly; secondary battery protection circuit is dispersed on bus; for example, in the disclosed power-supply system of document [1], the shunt regulator diode protection accumulator super-charge on bus, the DC-DC chip protection storage battery on bus is crossed and is put.
Skin satellite power system structure commonly used has following deficiency at present:
The power-supply system batteries is directly parallel on bus, batteries does not have special charge-discharge control circuit, to the overcharging of battery, cross put, thermal-shutdown circuit is dispersed in whole power system circuit, the reliability and stability that lack the modularization Integrated design, particularly in this operational environment complexity of space flight, uncertain factor field how, the reliability of circuit structure is particularly important with stability;
Secondly, there is no independently battery management module, be difficult to effectively, accurately control, regulate the charge and discharge process of storage battery, can not realize the dynamic and intelligent management of power-supply system accumulator cell charging and discharging.
Signal gathering unit in power-supply system (current/voltage gathers ADC etc.) and instruction execution unit can be integrated in a unit, the modular design of too disperseing, be not easy to realize the design of skin satellite volume microminiaturization and system maintenance, also easily cause unnecessary power consumption.
Summary of the invention
In order to overcome the deficiency of the existing satellite carried power-supply system poor reliability of skin, the invention provides the satellite carried power-supply system of a kind of skin based on low-power consumption MCU.This system adopts high integration, highly reliable modularized design; by the overcharging of storage battery, cross put, overheat protector is integrated into battery management unit; and battery management unit comprehensive monitoring and adjusting accumulator cell charging and discharging; signal gathering unit and instruction execution unit are integrated into to the MCU unit of low-power consumption; utilize the monitoring of MCU unit and control whole power-supply system; can fully strengthen the intelligent management of power-supply system, improve energy utilization efficiency, thereby improve the reliability of whole power-supply system.
The technical solution adopted for the present invention to solve the technical problems is: the satellite carried power-supply system of a kind of skin based on low-power consumption MCU, comprise that solar battery array, storage battery, voltage-regulation unit, lithium ion battery group, power distributing unit and current/voltage gather ADC, are characterized in: also comprise battery management unit, DC-DC boost module, LDO pressurizer, LDO voltage reduction module and low-power consumption MCU.
Described solar battery array is converted to electric energy by solar energy, and primary energy is provided, and supplies with output loading and storage battery, and the unnecessary electric energy of battery stores, when solar energy quits work, provide secondary energy sources, supplies with output loading;
Described battery management unit; the BQ24166/BQ24167 chip that adopts TI company to produce; this chip has the regulating circuit of discharging and recharging; constant current charge and the constant voltage charge of support to battery; support to the overcurrent of battery, overcharge, Cross prevention; have the dynamic power routing function, can be according to input current and the charge and discharge of loading demand Dynamic Selection storage battery.
Described DC-DC boost module is realized voltage transitions;
Described LDO pressurizer, because solar array has parallel-connection structure, in order to prevent that the shadow region solar cell is damaged by reverse voltage, designed the one-way conduction module with reverse protection, consider the lower powered design principle of skin satellite, select pressure reduction LDO pressurizer little, low in energy consumption as the reverse protection module, as direct current stabilizer, have voltage stabilizing, rectified action simultaneously, its voltage-regulation function guarantees that solar cell output meets the battery management unit voltage requirements;
Described LDO voltage reduction module, meet the different voltage of output and ripple demand, and its enable switch, as the power control switching of load end, is controlled power output by MCU simultaneously;
Described low-power consumption MCU, core cell as power management, possessing voltage and current signal collection, data processing and power controls, low-power consumption MCU adopts the MSP430 single-chip microcomputer of TI company, and its low-power consumption characteristic has embodied the design principle under the skin satellite power, and its inner high-precision adc switching rate is up to per second 240 times, can guarantee the real-time sampling data, in addition, support the multiple serial communication interfaces such as asynchronous UART, synchronous SPI and I2C bus, conveniently with other subsystems, communicate by letter.
Also comprise testing power supply and external power interface, be used for replacing solar cell, the test power supply is provided.
Also comprise the JTAG debugging interface, be used for debugging MCU, programming program.
Also comprise the LED light-emitting diode, be used as the status indicator lamp of power-supply system, the mode of operation of display power supply system and system mode.
The invention has the beneficial effects as follows: adopt high integration based on the satellite carried power-supply system of the skin of low-power consumption MCU, highly reliable modularized design, by overcharging of storage battery, cross and put, overheat protector is integrated into battery management unit, and battery management unit comprehensive monitoring and adjusting accumulator cell charging and discharging, signal gathering unit and instruction execution unit are integrated into to the MCU unit of low-power consumption, utilize the monitoring of MCU unit and control whole power-supply system, can fully strengthen the intelligent management of power-supply system, improved energy utilization efficiency, thereby improved the reliability of whole power-supply system.
Below in conjunction with drawings and Examples, the present invention is elaborated.
The accompanying drawing explanation
Fig. 1 is known skin satellite power system structure chart.
Fig. 2 is the disclosed skin satellite power system of background technology document structure chart.
Fig. 3 is the satellite carried power-supply system overall construction drawing of skin that the present invention is based on low-power consumption MCU.
Fig. 4 is the satellite carried power system structure schematic diagram of skin that the present invention is based on low-power consumption MCU.
Fig. 5 is battery management unit schematic diagram in Fig. 4.
Embodiment
With reference to Fig. 3-5.The satellite carried power-supply system of a kind of skin based on low-power consumption MCU, comprise solar cell and storage battery, wherein solar cell is converted to electric energy by solar energy, primary energy is provided, supply with output loading and storage battery, the unnecessary electric energy of battery stores, when solar energy quits work, secondary energy sources are provided, supply with output loading;
Testing power supply and external power interface, be used for replacing solar cell, and the test power supply is provided;
Battery management unit, select chip and periphery configure circuit thereof that integrated level is high to be used as battery management unit.The BQ24166/BQ24167 chip that the present embodiment selects TI company to produce; has the special regulating circuit that discharges and recharges; constant current charge and the constant voltage charge of support to battery; support to the overcurrent of battery, overcharge, Cross prevention; has the dynamic power routing function; can be according to input current and the charge and discharge of loading demand Dynamic Selection storage battery; to guarantee that the stable and loading demand of busbar voltage meets, to have avoided the rich electric energy of input power supply not store in time that the energy dissipation caused and storage battery are crossed to put, cause the battery infringement.
The DC-DC boost module, because busbar voltage is selected the 3.7v with the battery-operated voltage matches, in order to export 5v voltage, must select boost module, in order to reduce as far as possible power consumption, selects the DC-DC pressurizer to realize voltage transitions;
The LDO pressurizer, because solar array has parallel-connection structure, in order to prevent that the shadow region solar cell is damaged by reverse voltage, designed the one-way conduction module with reverse protection, consider the lower powered design principle of skin satellite, select pressure reduction LDO pressurizer little, low in energy consumption as the reverse protection module, as direct current stabilizer, have voltage stabilizing, rectified action simultaneously, its voltage-regulation function guarantees that solar cell output meets the battery management unit voltage requirements;
The LDO voltage reduction module, in order to meet output 3.3v, the different voltage such as 1.8v and ripple demand, select low-power consumption LD pressurizer as voltage reduction module, and its enable switch can be used as the power control switching of load end simultaneously, controls power output by MCU;
Low-power consumption MCU, core cell as power management, possessing voltage and current signal collection, data processing and power controls, low-power consumption MCU adopts the MSP430 single-chip microcomputer of TI company, and its low-power consumption characteristic has embodied the design principle under the skin satellite power, and its inner high-precision adc switching rate is up to per second 240 times, can guarantee the real-time sampling data, in addition, support the multiple serial communication interfaces such as asynchronous UART, synchronous SPI and I2C bus, conveniently with other subsystems, communicate by letter;
The JTAG debugging interface, be used for debugging MCU, programming program;
The LED light-emitting diode, be used as the status indicator lamp of power-supply system, the mode of operation of display power supply system and system mode.
Claims (4)
1. satellite carried power-supply system of the skin based on low-power consumption MCU, comprise that solar battery array, storage battery, voltage-regulation unit, lithium ion battery group, power distributing unit and current/voltage gather ADC, is characterized in that: also comprise battery management unit, DC-DC boost module, LDO pressurizer, LDO voltage reduction module and low-power consumption MCU; Described solar battery array is converted to electric energy by solar energy, and primary energy is provided, and supplies with output loading and storage battery, and the unnecessary electric energy of battery stores, when solar energy quits work, provide secondary energy sources, supplies with output loading; Described battery management unit, the BQ24166/BQ24167 chip that adopts TI company to produce, this chip has the regulating circuit of discharging and recharging, constant current charge and the constant voltage charge of support to battery, support to the overcurrent of battery, overcharge, Cross prevention, have the dynamic power routing function, can be according to input current and the charge and discharge of loading demand Dynamic Selection storage battery; Described DC-DC boost module is realized voltage transitions; Described LDO pressurizer, because solar array has parallel-connection structure, in order to prevent that the shadow region solar cell is damaged by reverse voltage, designed the one-way conduction module with reverse protection, consider the lower powered design principle of skin satellite, select pressure reduction LDO pressurizer little, low in energy consumption as the reverse protection module, as direct current stabilizer, have voltage stabilizing, rectified action simultaneously, its voltage-regulation function guarantees that solar cell output meets the battery management unit voltage requirements; Described LDO voltage reduction module, meet the different voltage of output and ripple demand, and its enable switch, as the power control switching of load end, is controlled power output by MCU simultaneously; Described low-power consumption MCU, core cell as power management, possessing voltage and current signal collection, data processing and power controls, low-power consumption MCU adopts the MSP430 single-chip microcomputer of TI company, and its low-power consumption characteristic has embodied the design principle under the skin satellite power, and its inner high-precision adc switching rate is up to per second 240 times, can guarantee the real-time sampling data, in addition, support the multiple serial communication interfaces such as asynchronous UART, synchronous SPI and I2C bus, conveniently with other subsystems, communicate by letter.
2. the satellite carried power-supply system of the skin based on low-power consumption MCU according to claim 1, is characterized in that: also comprise testing power supply and external power interface, be used for replacing solar cell, the test power supply is provided.
3. the satellite carried power-supply system of the skin based on low-power consumption MCU according to claim 1, is characterized in that: also comprise the JTAG debugging interface, be used for debugging MCU, programming program.
4. the satellite carried power-supply system of the skin based on low-power consumption MCU according to claim 1, is characterized in that: also comprise the LED light-emitting diode, be used as the status indicator lamp of power-supply system, the mode of operation of display power supply system and system mode.
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216846A (en) * | 2014-08-12 | 2014-12-17 | 西北工业大学 | Pico-satellite computer system based on quad-core microprocessor of android mobile phone |
| CN104300662A (en) * | 2014-10-30 | 2015-01-21 | 哈尔滨工业大学 | Pico-satellite satellite-borne power system achieved based on pure hardware |
| CN104300663A (en) * | 2014-10-30 | 2015-01-21 | 哈尔滨工业大学 | Pico-nano satellite power supply achieved through maximum power point tracking technology |
| CN105449756A (en) * | 2015-07-31 | 2016-03-30 | 上海卫星工程研究所 | Automatic management system for lithium ion storage battery pack power supply sub system for satellite |
| CN105762786A (en) * | 2016-04-21 | 2016-07-13 | 上海微小卫星工程中心 | Power supply system for short-period spacecraft |
| CN108321786A (en) * | 2018-03-16 | 2018-07-24 | 西北工业大学 | A kind of cube star integration power-supply system |
| US10103549B2 (en) | 2016-11-10 | 2018-10-16 | Hamilton Sundstrand Corporation | Electric power system for a space vehicle |
| US10110000B2 (en) | 2017-02-27 | 2018-10-23 | Hamilton Sundstrand Corporation | Power management and distribution architecture for a space vehicle |
| CN108959729A (en) * | 2018-06-13 | 2018-12-07 | 西北工业大学 | A kind of efficiently quick power supply cluster construction method |
| CN109491299A (en) * | 2018-12-22 | 2019-03-19 | 蚌埠学院 | A kind of super low-power consumption data collection station based on MCU |
| CN109587653A (en) * | 2019-01-11 | 2019-04-05 | 贵州远诚自控科技有限公司 | It is a kind of based between somewhere non-transformer and two places again be not easy to wiring signal synchronizing device |
| US10486836B2 (en) | 2016-11-10 | 2019-11-26 | Hamilton Sundstrand Corporaration | Solar powered spacecraft power system |
| CN111049004A (en) * | 2019-12-25 | 2020-04-21 | 北京空间飞行器总体设计部 | Composite bus system applied to satellite power supply control |
| CN111371925A (en) * | 2020-02-21 | 2020-07-03 | 西安微电子技术研究所 | Space equipment based on smart mobile phone mainboard |
| WO2021119768A1 (en) * | 2019-12-20 | 2021-06-24 | "Endurosat" Joint Stock Company | Power supply module for nanosatellite systems |
| CN113422422A (en) * | 2021-08-25 | 2021-09-21 | 绵阳天仪空间科技有限公司 | Satellite energy system |
| CN114157339A (en) * | 2021-11-09 | 2022-03-08 | 浙江时空道宇科技有限公司 | Star affair computer and satellite system |
| CN114578950A (en) * | 2022-03-07 | 2022-06-03 | 成都九华圆通科技发展有限公司 | Low-power-consumption management control system and method based on miniature electromagnetic sensing equipment |
| CN115622202A (en) * | 2022-12-15 | 2023-01-17 | 永安行科技股份有限公司 | Energy-saving control circuit and energy-saving control method of intelligent central control power supply system |
| CN115954990A (en) * | 2023-03-10 | 2023-04-11 | 银河航天(西安)科技有限公司 | Method, system, device and storage medium for supplying power to a load of a satellite |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003122248A (en) * | 2001-10-17 | 2003-04-25 | Minoruta Puranetariumu Kk | Planetarium equipment |
| CN102333057A (en) * | 2011-05-25 | 2012-01-25 | 北京航空航天大学 | Micro/nano satellite measure and control communication integral transmitting and receiving system and realization method thereof |
| CN103138352A (en) * | 2013-03-21 | 2013-06-05 | 深圳市共进电子股份有限公司 | Portable solar router |
-
2013
- 2013-07-26 CN CN2013103209870A patent/CN103414236A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003122248A (en) * | 2001-10-17 | 2003-04-25 | Minoruta Puranetariumu Kk | Planetarium equipment |
| CN102333057A (en) * | 2011-05-25 | 2012-01-25 | 北京航空航天大学 | Micro/nano satellite measure and control communication integral transmitting and receiving system and realization method thereof |
| CN103138352A (en) * | 2013-03-21 | 2013-06-05 | 深圳市共进电子股份有限公司 | Portable solar router |
Non-Patent Citations (1)
| Title |
|---|
| 辜渝嘉: "皮卫星电源系统的研制", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104216846A (en) * | 2014-08-12 | 2014-12-17 | 西北工业大学 | Pico-satellite computer system based on quad-core microprocessor of android mobile phone |
| CN104300663B (en) * | 2014-10-30 | 2016-08-31 | 哈尔滨工业大学 | A kind of skin Nano satellite power supply using MPPT maximum power point tracking technology |
| CN104300662A (en) * | 2014-10-30 | 2015-01-21 | 哈尔滨工业大学 | Pico-satellite satellite-borne power system achieved based on pure hardware |
| CN104300663A (en) * | 2014-10-30 | 2015-01-21 | 哈尔滨工业大学 | Pico-nano satellite power supply achieved through maximum power point tracking technology |
| CN105449756B (en) * | 2015-07-31 | 2018-02-06 | 上海卫星工程研究所 | The autonomous management system of satellite lithium-ions battery group power subsystem |
| CN105449756A (en) * | 2015-07-31 | 2016-03-30 | 上海卫星工程研究所 | Automatic management system for lithium ion storage battery pack power supply sub system for satellite |
| CN105762786A (en) * | 2016-04-21 | 2016-07-13 | 上海微小卫星工程中心 | Power supply system for short-period spacecraft |
| US10103549B2 (en) | 2016-11-10 | 2018-10-16 | Hamilton Sundstrand Corporation | Electric power system for a space vehicle |
| US10486836B2 (en) | 2016-11-10 | 2019-11-26 | Hamilton Sundstrand Corporaration | Solar powered spacecraft power system |
| US10110000B2 (en) | 2017-02-27 | 2018-10-23 | Hamilton Sundstrand Corporation | Power management and distribution architecture for a space vehicle |
| CN108321786A (en) * | 2018-03-16 | 2018-07-24 | 西北工业大学 | A kind of cube star integration power-supply system |
| CN108959729B (en) * | 2018-06-13 | 2022-05-06 | 西北工业大学 | Efficient and rapid power supply cluster construction method |
| CN108959729A (en) * | 2018-06-13 | 2018-12-07 | 西北工业大学 | A kind of efficiently quick power supply cluster construction method |
| CN109491299A (en) * | 2018-12-22 | 2019-03-19 | 蚌埠学院 | A kind of super low-power consumption data collection station based on MCU |
| CN109491299B (en) * | 2018-12-22 | 2023-10-03 | 蚌埠学院 | Ultra-low power consumption data acquisition terminal based on MCU |
| CN109587653A (en) * | 2019-01-11 | 2019-04-05 | 贵州远诚自控科技有限公司 | It is a kind of based between somewhere non-transformer and two places again be not easy to wiring signal synchronizing device |
| WO2021119768A1 (en) * | 2019-12-20 | 2021-06-24 | "Endurosat" Joint Stock Company | Power supply module for nanosatellite systems |
| CN111049004A (en) * | 2019-12-25 | 2020-04-21 | 北京空间飞行器总体设计部 | Composite bus system applied to satellite power supply control |
| CN111371925B (en) * | 2020-02-21 | 2021-09-28 | 西安微电子技术研究所 | Space equipment based on smart mobile phone mainboard |
| CN111371925A (en) * | 2020-02-21 | 2020-07-03 | 西安微电子技术研究所 | Space equipment based on smart mobile phone mainboard |
| CN113422422A (en) * | 2021-08-25 | 2021-09-21 | 绵阳天仪空间科技有限公司 | Satellite energy system |
| CN114157339A (en) * | 2021-11-09 | 2022-03-08 | 浙江时空道宇科技有限公司 | Star affair computer and satellite system |
| CN114578950A (en) * | 2022-03-07 | 2022-06-03 | 成都九华圆通科技发展有限公司 | Low-power-consumption management control system and method based on miniature electromagnetic sensing equipment |
| CN114578950B (en) * | 2022-03-07 | 2023-11-07 | 成都九华圆通科技发展有限公司 | Low-power consumption management control system and method based on miniature electromagnetic sensing equipment |
| CN115622202A (en) * | 2022-12-15 | 2023-01-17 | 永安行科技股份有限公司 | Energy-saving control circuit and energy-saving control method of intelligent central control power supply system |
| CN115622202B (en) * | 2022-12-15 | 2023-03-28 | 永安行科技股份有限公司 | Energy-saving control circuit and energy-saving control method of intelligent central control power supply system |
| CN115954990A (en) * | 2023-03-10 | 2023-04-11 | 银河航天(西安)科技有限公司 | Method, system, device and storage medium for supplying power to a load of a satellite |
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Application publication date: 20131127 |