WO2014045315A1 - ラジオゾンデの電源装置およびラジオゾンデ - Google Patents
ラジオゾンデの電源装置およびラジオゾンデ Download PDFInfo
- Publication number
- WO2014045315A1 WO2014045315A1 PCT/JP2012/005941 JP2012005941W WO2014045315A1 WO 2014045315 A1 WO2014045315 A1 WO 2014045315A1 JP 2012005941 W JP2012005941 W JP 2012005941W WO 2014045315 A1 WO2014045315 A1 WO 2014045315A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power supply
- voltage
- radiosonde
- battery
- supply device
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/08—Adaptations of balloons, missiles, or aircraft for meteorological purposes; Radiosondes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a power supply device mounted on a radiosonde that is fly by a balloon and observes high-rise weather.
- the radiosonde that observes the upper atmosphere measures the wind direction, wind speed, atmospheric pressure, temperature, and humidity of the upper atmosphere, and transmits the measurement information to the ground using a transmitter.
- Radiosondes have long been used as the main power source for power supply devices that drive equipment. It has enough voltage (about 5V to 12V) to operate the radiosonde transmitter, can operate in a cryogenic environment near -90 ° C above the ground temperature, and is light enough to fly with a rubber balloon This is because the water injection battery was suitable for satisfying the requirements.
- the water injection battery with large self-heating is unlikely to cause a voltage drop even in a cryogenic environment and can supply a sufficient voltage.
- the operation of the water injection battery cannot be stopped once it has been injected, it may be inconvenient in operation.
- Patent Document 1 proposes a dry cell as a power battery.
- a dry battery generally has a rated voltage of 1.5 V or 3.0 V per cell, and when used for a radiosonde, a plurality of batteries are connected in series to obtain a predetermined voltage.
- the weight of the power supply device increases, the volume of the balloon increases, and the volume of hydrogen gas or the like that fills the balloon increases. Increases cost.
- a dry battery such as a lithium battery having a nonaqueous electrolyte solution operates even at a relatively low temperature, so that no anti-freezing measures with a heat insulating material are necessary. Need to be connected in series.
- the electric capacity per cell of a lithium battery is so large that the battery cannot be used within a radiosonde observation time of about 2 to 3 hours, and it is more than necessary when a plurality of lithium batteries are connected in series. Electric capacity was installed, leading to costly waste.
- An object of the present invention is to reduce the weight even when a dry battery is used as a power battery, to supply a necessary voltage with a battery capacity corresponding to an observation time, and to generate a predetermined electromotive force even in a cryogenic environment.
- the object is to provide a radiosonde power supply and a radiosonde.
- a power source device for a radiosonde that solves the problems of the present invention is a power source device for a radiosonde that supplies driving power to a device that processes and transmits observation information obtained by observing weather in the upper atmosphere.
- the dry battery is a lithium battery or a battery pack of lithium batteries.
- the step-up power supply circuit is a DC-DC converter.
- an internal circuit that includes a regulator that steps down the boosted voltage of the boost type power supply circuit to a voltage higher than the voltage of the dry cell, and processes observation information from a sensor unit that observes weather in the upper atmosphere as the device And a transmission unit that transmits information processed by the internal circuit unit, and supplies the boosted voltage of the boost type power supply circuit to the transmission unit, and the stepped down voltage of the regulator is supplied to the internal circuit unit. It is characterized by supplying.
- a radiosonde configuration that solves the problems of the present invention includes a radiosonde power supply device configured as described above, a sensor unit that observes weather in the upper atmosphere to which power from the power supply device is supplied, and an observation by the sensor unit.
- a device for processing and transmitting the observed information and a container for housing the power supply device and the device.
- the voltage of the dry battery is boosted to a predetermined voltage by a boosting power supply circuit such as a boosting DC-DC converter, for example, the radiosonde with the electric capacity of one dry battery.
- a boosting power supply circuit such as a boosting DC-DC converter, for example, the radiosonde with the electric capacity of one dry battery.
- the size of the balloon can be reduced, and the volume of hydrogen gas filled in the balloon can be greatly reduced, and the cost required for one shot can be greatly reduced.
- the dry cell self-heats, and as the environmental temperature decreases, the current of the dry cell increases and the self-heating temperature rises. For this reason, the voltage of the dry battery temporarily decreases as the environmental temperature decreases as the altitude increases, but the increase in self-heating temperature makes the voltage decrease more gradual and maintains a substantially constant voltage. A stable voltage can be supplied.
- a boost type power supply circuit such as a boost type DC-DC converter
- the block diagram of the electric circuit which shows one Embodiment of the radiosonde by this invention The block diagram which shows 1st Embodiment of the power supply device of the radiosonde shown in FIG.
- the block diagram which shows 2nd Embodiment of the power supply device of the radiosonde shown in FIG. 4 is a circuit diagram of the boost type power supply circuit shown in FIGS. 2 and 3.
- FIG. 1 is a block diagram of an electric circuit showing an embodiment of a radiosonde according to the present invention.
- the radiosonde 1 flying by a balloon outputs detection information detected by the temperature sensor 2 ⁇ / b> A and the humidity sensor 2 ⁇ / b> B of the sensor unit 2 to the signal processing unit 3.
- the GPS (Global Positioning System) receiver 4 outputs the position information acquired from the GPS antenna 4 ⁇ / b> A to the signal processing unit 3.
- the signal processing unit 3 outputs the received various observation information to the transmission unit 5 and transmits it to the reception facility on the ground from the transmission antenna 5A.
- the wind direction, the wind speed, and the atmospheric pressure are measured based on the moving speed and altitude obtained from the GPS, but the radiosonde of the present invention is not limited to this configuration.
- the signal processing unit 3, the GPS receiver 4, and the transmission unit 5 are supplied with power of a predetermined voltage from the power supply device 6.
- the power supply device 6 uses a dry battery 10 having a voltage V0 as a power source, boosts the voltage V0 of the dry battery 10 by a step-up power supply circuit 11 such as a DC-DC converter, and has a voltage V1 higher than the voltage V0. (V0 ⁇ V1) is obtained.
- the transmitter 3 is driven by the voltage V1 boosted by the boosting power supply circuit 11.
- the drive voltage V2 of the internal circuit unit 13 (the signal processing unit 3 and the GPS receiver 4) is lower than the drive voltage V1 of the transmission unit 3 (V2 ⁇ V1). Therefore, the voltage V1 boosted by the boosting power supply circuit 11 is stepped down to the voltage V2 by the three-terminal regulator 12 and supplied to the internal circuit unit 13.
- the dry battery 10 of the power supply device 6 uses a lithium battery having a nominal rating of 1.5 V or 3.0 V or a lithium battery assembled battery.
- the step-up power supply circuit 11 boosts the voltage V0 of the dry battery 10 to a primary voltage V1 of about 5V to 12V.
- a non-insulated DC-DC converter shown in FIG. 4 can be exemplified.
- this DC-DC converter when the switching transistor 22 that is ON / OFF controlled by the control IC is turned on, all the current from the dry cell 10 flows to the choke coil 20, so that the choke coil 20 generates electromotive force in the direction of blocking the flowing current. And store energy.
- the switching transistor 22 when the switching transistor 22 is turned off, the choke coil 20 generates an electromotive force in a direction to maintain the current, and releases the stored energy. Therefore, a high induced voltage is generated at both ends of the choke coil 20, and a voltage obtained by adding the voltage of the dry battery 10 to this induced voltage is charged in the capacitor 24. At that time, the diode 21 prevents the voltage charged in the capacitor 24 from flowing back to the dry battery 10.
- the DC-DC converter has a configuration in which a choke coil 20, a diode 21, a switching transistor 22, a control IC 23, and a capacitor 24 are mounted on a printed board.
- the weight of the DC-DC converter of this embodiment is about 5 to 10 g.
- the weight of the dry battery 10 is about 15 g to 30 g.
- the power supply device 6 of the present embodiment can achieve a weight reduction of about 30 g compared to the conventional configuration by adopting the DC-DC converter.
- the total weight of the radiosonde 1 of the present embodiment is about 110 g, a weight reduction of about 30 g can realize a significant weight reduction of the radiosonde 1.
- the lithium battery used as the dry battery 10 has an electric capacity of about 3 hours per battery, and connecting three batteries in series increases the electric capacity three times.
- the observation time of the radiosonde 1 is about 2 to 3 hours, it can be sufficiently covered by a single lithium battery in terms of electric capacity.
- a voltage obtained by connecting a plurality of dry batteries in series is obtained by a single dry battery 10 and a booster type power supply circuit 11 which is a DC-DC converter.
- the power battery which accounted for a large percentage of the total weight of the radiosonde, can be reduced, and the weight of the newly added booster power circuit has also increased slightly, so observation with one dry battery 10 can be performed.
- the radiosonde can be significantly reduced in weight.
- the volume of the balloon can be reduced, and at the same time, the filling amount of hydrogen gas, etc., filled in the balloon can be greatly reduced, and the cost required for one shot can be greatly reduced. It became.
- the step-up DC-DC converter when the switching transistor 22 is ON, the step-up DC-DC converter has both ends of the choke coil 20 connected to both ends of the dry battery 10 and current flows through the choke coil 20.
- the dry battery 10 self-heats due to the internal resistance.
- FIG. 5 is a diagram showing the relationship between the battery voltage and the environmental temperature change in relation to the self-heat generation amount of the dry battery (the increase in the heat generation amount due to the increase in current due to the voltage drop). It begins to decrease with decreasing temperature.
- the voltage drop of the dry battery 10 conversely causes an increase in the current flowing through the choke coil 20, and the heat generation amount of the dry battery 10 increases due to the current increase accompanying the voltage drop, and the heat generation temperature of the dry battery 10 increases.
- the heat generation temperature of the dry battery 10 increases, the tendency of the electromotive force to decrease decreases, and even if the altitude of the radiosonde 1 increases and the environmental temperature decreases, a substantially constant voltage is maintained.
- the dry cell 10 causes self-heating due to an increase in current due to a voltage drop due to wear, and a decrease in electromotive force in a cryogenic environment. It can suppress, without using a heat retention member. By eliminating the need for a heat retaining member, the weight of the radiosonde can be reduced.
- a circuit board and a battery are accommodated in a container (not shown), and various antennas are expended from the container toward the outside. Then, for example, the container is connected to a balloon filled with hydrogen gas via a hanging string and released.
- FIG. 3 is a block diagram showing a second embodiment of the power supply device for the radiosonde shown in FIG.
- the regulator 12 is used to drive the internal circuit unit 13.
- the boosting power supply circuit 11 ⁇ / b> B having the same configuration as that of the boosting power supply circuit 11 boosts the voltage.
- the supplied voltage V2 is supplied to the internal circuit 13.
- a voltage V1 boosted by a first boosting power supply circuit 11A having the same configuration as that of the boosting power supply circuit 11 is supplied to the transmission unit 3.
- the voltage V0 of one dry battery 10 is boosted to voltages V1 and V2 (V2 ⁇ V1) by the first boosting power supply circuit 11A and the second boosting power supply circuit 11B, respectively.
- a booster power supply circuit may be newly added and the voltage V3 may be supplied, and the number of booster power supply circuits 11B is limited to two. It is not something.
- the radiosonde power supply device of the present invention can be constructed by assembling an IC or a choke coil on a printed circuit board, and can be assembled integrally with a radiosonde transmitter or an internal circuit printed circuit board.
- the radiosonde is suspended in a balloon filled with hydrogen gas and released to observe weather in the upper atmosphere.
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Atmospheric Sciences (AREA)
- Ecology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
Abstract
Description
図3は図1に示すラジオゾンデの電源装置の第2実施形態を示すブロック図である。
2 センサー部
3 信号処理部
4 GPSレシーバー
5 送信部
6、60 電源装置
10 乾電池
11 昇圧型電源回路
11A 第1昇圧型電源回路 11B 第2昇圧型電源回路
12 レギュレーター
13 内部回路部
20 チョークコイル
21 ダイオード
22 スイッチングトランジスタ
23 制御IC
24 コンデンサ
Claims (5)
- 上層大気の気象を観測した観測情報を処理し送信する機器に駆動電力を供給するラジオゾンデの電源装置であって、
前記機器の駆動電圧よりも低い定格電圧の乾電池と、
前記乾電池の電圧を所定の電圧に昇圧する1または複数の昇圧型電源回路と、
を有するラジオゾンデの電源装置。 - 前記乾電池は、リチウム電池またはリチウム電池の組電池であることを特徴とする請求項1に記載のラジオゾンデの電源装置。
- 前記昇圧型電源回路はDC-DCコンバーターであることを特徴とする請求項1に記載のラジオゾンデの電源装置。
- 前記昇圧型電源回路の昇圧電圧を前記乾電池の電圧よりも高い電圧まで降圧するレギュレーターを備え、前記機器として上層大気の気象を観測するセンサー部からの観測情報を処理する内部回路部と、前記内部回路部で処理された情報を送信する送信部とを有し、前記送信部に前記昇圧型電源回路の昇圧電圧を供給し、前記内部回路部には前記レギュレーターの降圧電圧を供給することを特徴とする請求項1に記載のラジオゾンデの電源装置。
- 請求項1に記載のラジオゾンデの電源装置と、前記電源装置からの電力が供給される上層大気の気象を観測するセンサー部と、前記センサー部で観測した観測情報を処理し送信する機器と、前記電源装置と前記機器とを収容する容器と、を有するラジオゾンデ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014536409A JP6053054B2 (ja) | 2012-09-18 | 2012-09-18 | ラジオゾンデの電源装置およびラジオゾンデ |
US14/400,124 US20150122008A1 (en) | 2012-09-18 | 2012-09-18 | Radiosonde power source device and radiosonde |
PCT/JP2012/005941 WO2014045315A1 (ja) | 2012-09-18 | 2012-09-18 | ラジオゾンデの電源装置およびラジオゾンデ |
EP12885154.0A EP2899833B1 (en) | 2012-09-18 | 2012-09-18 | Radiosonde power source device and radiosonde |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/005941 WO2014045315A1 (ja) | 2012-09-18 | 2012-09-18 | ラジオゾンデの電源装置およびラジオゾンデ |
Publications (1)
Publication Number | Publication Date |
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WO2014045315A1 true WO2014045315A1 (ja) | 2014-03-27 |
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PCT/JP2012/005941 WO2014045315A1 (ja) | 2012-09-18 | 2012-09-18 | ラジオゾンデの電源装置およびラジオゾンデ |
Country Status (4)
Country | Link |
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US (1) | US20150122008A1 (ja) |
EP (1) | EP2899833B1 (ja) |
JP (1) | JP6053054B2 (ja) |
WO (1) | WO2014045315A1 (ja) |
Families Citing this family (2)
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KR101999835B1 (ko) * | 2013-01-30 | 2019-10-01 | 한국전자통신연구원 | 위치인식을 통한 라디오존데 전력 제어 장치 및 방법 |
US10903534B2 (en) * | 2018-06-05 | 2021-01-26 | International Business Machines Corporation | Battery pack capacity optimization via self-regulation of cell temperature |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01206422A (ja) * | 1988-02-12 | 1989-08-18 | Seiko Instr & Electron Ltd | 低消費電力携帯情報器 |
JPH0618959U (ja) * | 1992-08-13 | 1994-03-11 | 明星電気株式会社 | 湿度センサホルダー |
JPH08307150A (ja) | 1995-04-27 | 1996-11-22 | Sumitomo Metal Mining Co Ltd | マイクロ波発振器 |
JPH10174286A (ja) * | 1996-12-10 | 1998-06-26 | Nec Corp | 電池電源制御装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2409155A (en) * | 1942-09-04 | 1946-10-08 | R W Cramer Company Inc | Radio transmission apparatus |
US2698431A (en) * | 1951-01-30 | 1954-12-28 | Leo S Bielinski | Typhoon homer |
JP3345519B2 (ja) * | 1994-06-08 | 2002-11-18 | 富士通株式会社 | 電源装置 |
JPH09200967A (ja) * | 1996-01-22 | 1997-07-31 | Nec Shizuoka Ltd | 携帯端末用電源回路 |
JP4100997B2 (ja) * | 2002-08-23 | 2008-06-11 | 株式会社リコー | 電源供給装置及びその電源供給方法 |
EP1821386A2 (en) * | 2006-02-17 | 2007-08-22 | Power Systems Co., Ltd. | Charging apparatus for capacitor storage type power source and discharging apparatus for capacitor storage type power source |
JP2007252050A (ja) * | 2006-03-15 | 2007-09-27 | Matsushita Electric Ind Co Ltd | 電池駆動式電子装置 |
JP5750825B2 (ja) * | 2009-08-28 | 2015-07-22 | 日立工機株式会社 | 電動作業機 |
-
2012
- 2012-09-18 WO PCT/JP2012/005941 patent/WO2014045315A1/ja active Application Filing
- 2012-09-18 US US14/400,124 patent/US20150122008A1/en not_active Abandoned
- 2012-09-18 JP JP2014536409A patent/JP6053054B2/ja active Active
- 2012-09-18 EP EP12885154.0A patent/EP2899833B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01206422A (ja) * | 1988-02-12 | 1989-08-18 | Seiko Instr & Electron Ltd | 低消費電力携帯情報器 |
JPH0618959U (ja) * | 1992-08-13 | 1994-03-11 | 明星電気株式会社 | 湿度センサホルダー |
JPH08307150A (ja) | 1995-04-27 | 1996-11-22 | Sumitomo Metal Mining Co Ltd | マイクロ波発振器 |
JPH10174286A (ja) * | 1996-12-10 | 1998-06-26 | Nec Corp | 電池電源制御装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2014045315A1 (ja) | 2016-08-18 |
EP2899833B1 (en) | 2020-03-11 |
US20150122008A1 (en) | 2015-05-07 |
JP6053054B2 (ja) | 2016-12-27 |
EP2899833A1 (en) | 2015-07-29 |
EP2899833A4 (en) | 2015-10-14 |
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