CN108233380B - On-ball power supply and distribution device for captive balloon - Google Patents
On-ball power supply and distribution device for captive balloon Download PDFInfo
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- CN108233380B CN108233380B CN201810090375.XA CN201810090375A CN108233380B CN 108233380 B CN108233380 B CN 108233380B CN 201810090375 A CN201810090375 A CN 201810090375A CN 108233380 B CN108233380 B CN 108233380B
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/02—Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequencies; using a single network for simultaneous distribution of ac power and of dc power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/40—Balloons
- B64B1/50—Captive balloons
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention discloses an on-ball power supply and distribution device for a captive balloon, wherein the input end of the device is connected with a high-voltage cable and comprises a ball power supply and distribution unit, a load power supply and distribution unit and a data acquisition and processing unit, the ball power supply and distribution unit is connected with ball equipment, the load power supply and distribution unit is connected with load equipment, and the data acquisition and processing unit is respectively connected with the ball power supply and distribution unit and the load power supply and distribution unit; two sets of power distribution equipment are designed to respectively supply power to the ball equipment and the load equipment, so that the power supply reliability is improved; the integrated design of electric energy conversion, power distribution and communication reduces the intermediate conversion link of a power distribution system and simplifies the connection interface.
Description
Technical Field
The invention belongs to the technical field of power supply and distribution devices, and particularly relates to an on-ball power supply and distribution device for a captive balloon.
Background
The power supply and distribution system in the captive balloon product in the market generally adopts a high-voltage transmission mode. After the electric energy of the power supply network is boosted to high-voltage alternating current of thousands of volts by an alternating current pump through a power frequency or medium-frequency boosting transformer on the ground, the electric energy is transmitted to the ball through a long-distance mooring power supply cable; based on the electric energy transmission mode, the current ball power supply part mainly comprises a voltage reduction unit, a power supply unit, an emergency power supply unit and a power distribution unit, and all the parts are independent parts; wherein, the step-down unit is power frequency or intermediate frequency step-down transformer, and power supply unit is full football electric energy of last equipment demand with the low pressure power frequency or the intermediate frequency alternating current conversion of step-down unit output, and emergency power supply unit provides emergent electric energy for equipment on the ball, and distribution unit distributes the electric energy to equipment on the ball.
The above power supply and distribution scheme has the following 3 disadvantages in the use occasion of the captive balloon:
1) the weight of power supply subsystem equipment is greatly increased by arranging a power frequency or intermediate frequency step-down transformer on the ball, the weight of the power supply subsystem equipment accounts for about 40% of the total weight of the power supply subsystem on the ball, the weight of the equipment of the captive balloon is a core factor related to the scale of the captive balloon system, and if the weight of the step-down transformer in a power transmission link can be reduced, the method has important significance in the aspects of improving the performance, cost performance and the like of the captive balloon system;
2) key equipment on the ball, namely ball equipment and load equipment share the same set of power supply and distribution unit. The power supply system of the load equipment has certain influence on the design of the power supply and distribution system on the ball. If the load equipment fails to be processed in time, the ball equipment is damaged, and the normal operation of the aerostat is influenced;
3) all the components of the power supply part on the ball are independently designed into cabinets, so that the volume and weight of the power supply subsystem on the ball are increased; the number of interfaces between the cabinets is large, the complexity of the system is increased, and the maintenance and manufacturing cost is high; the ball has more intermediate conversion links of the power supply and distribution system, and the reliability of the system is reduced.
Disclosure of Invention
The invention aims to provide an on-ball power supply and distribution device for a captive balloon, which adopts two sets of power distribution devices to respectively distribute power to ball equipment and load equipment, thereby improving the reliability of the system.
The input end of the device is connected with a high-voltage cable, and the device comprises a sphere power supply and distribution unit, a load power supply and distribution unit and a data acquisition and processing unit, wherein the input end of the sphere power supply and distribution unit is connected with the high-voltage cable, the output end of the sphere power supply and distribution unit is connected with sphere equipment, the input end of the load power supply and distribution unit is connected with the high-voltage cable, the output end of the load power supply and distribution unit is connected with the load equipment, and the data acquisition and processing unit is respectively connected with the sphere power supply and distribution unit and the load power supply and distribution.
Preferably, the on-ball power supply and distribution device for the captive balloon comprises a step-down converter set, a first multi-path voltage-stabilizing isolation module set and a first breaker set, wherein the input end of the step-down converter set is connected with a high-voltage cable, the output end of the step-down converter set is connected to the input end of the first multi-path voltage-stabilizing isolation module set and the input end of the first breaker set, the input end of the first breaker set is further connected with the output end of the first multi-path voltage-stabilizing isolation module set, the output end of the first breaker set is connected with the input end of the balloon equipment, and the data acquisition and processing unit is connected with the first breaker set in an interconnecting mode.
Preferably, according to the on-balloon power supply and distribution device for the captive balloon, the buck converter group comprises two direct current converters which are backup to each other.
Preferably, the first multipath voltage-stabilizing isolation module group comprises at least one voltage-stabilizing isolation module.
Preferably, the on-ball power supply and distribution unit for the captive balloon further comprises an on-ball emergency power supply, an output end of the on-ball emergency power supply is connected with an input end of the first multi-path voltage-stabilizing isolation module group and an input end of the first breaker group, and the on-ball emergency power supply is a rechargeable storage battery.
Preferably, in the above-balloon power supply and distribution device for the captive balloon, the buck converter and the first multi-path voltage stabilizing and isolating module group are both power electronic conversion equipment.
Preferably, the load power supply and distribution unit comprises a load converter set, a second multi-path voltage-stabilizing isolation module set and a second breaker set, wherein the input end of the load converter set is connected with a high-voltage cable, the output end of the load converter set is connected to the input end of the second multi-path voltage-stabilizing isolation module set and the input end of the second breaker set respectively, the input end of the second breaker set is further connected with the output end of the second multi-path voltage-stabilizing isolation module set, the output end of the second breaker set is connected with the input end of load equipment, and the data acquisition and processing unit is connected with the second breaker set in an interconnecting mode.
Preferably, the second multipath voltage-stabilizing isolation module group comprises an isolation direct current module or/and an isolation alternating current module.
Preferably, the load converter group comprises at least one converter.
Preferably, the data acquisition and processing unit is further connected with a communication interface.
The invention has the following beneficial effects:
according to the technical scheme, two sets of power distribution equipment are designed to respectively supply power to the ball equipment and the load equipment, the condition that integral maintenance is needed when a single equipment fails is avoided, meanwhile, the intermediate conversion links of a power distribution system are reduced, the reliability of the equipment is improved, and the weight of the equipment is obviously reduced by adopting power electronic conversion equipment and solid-state power distribution equipment based on a power electronic technology.
Drawings
FIG. 1 is a schematic diagram of the power supply and distribution device on the balloon for captive balloon according to the present invention,
figure 2 is a schematic structural view of the use state of the power supply and distribution device on the balloon for mooring the balloon in the first embodiment,
fig. 3 is a schematic structural view of an in-use state of the power supply and distribution device on the balloon for captive balloon according to the second embodiment.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
As shown in fig. 1, the on-ball power supply and distribution device for captive balloons provided by the invention has an input end connected with a high-voltage cable, the high-voltage cable acquires high-voltage electric energy from a boosting unit on the ground, the on-ball power supply and distribution device for captive balloons comprises a ball power supply and distribution unit, a load power supply and distribution unit and a data acquisition and processing unit, the ball power supply and distribution unit is connected with ball equipment and supplies power to the ball equipment, and the load power supply and distribution unit is connected with load equipment and supplies power to the load equipment; the data acquisition and processing unit is respectively connected with the sphere power supply and distribution unit and the load power supply and distribution unit, acquires current, voltage, frequency and feedback signals of input ends of the first breaker group, the second breaker group, the sphere equipment and the load equipment, and controls the first breaker group and the second breaker group, and the first breaker group and the second breaker group respectively comprise a plurality of breakers; the data acquisition and processing unit is also connected with a communication interface so as to carry out signal transmission communication.
Specifically, the sphere power supply and distribution unit comprises a buck converter group, an on-sphere emergency power supply, a first multi-path voltage stabilization isolation module group and a first breaker group, wherein the input end of the buck converter group is connected with a high-voltage cable, and the output end of the buck converter group is connected to the input end of the first multi-path voltage stabilization isolation module group and the input end of the first breaker group; the buck converter and the first multi-path voltage-stabilizing isolation module group are both power electronic conversion equipment; the ball emergency power supply can be a rechargeable storage battery, the output end of the ball emergency power supply is connected with the input end of the first voltage stabilizing and isolating module and the input end of the first breaker group, and the buck converter group comprises two direct current converters which are mutually backed up; the first multi-path voltage-stabilizing isolation module group comprises at least one voltage-stabilizing isolation module, and the specific type is selected according to actual needs.
The load power supply and distribution unit comprises a load converter group, a second multi-path voltage-stabilizing isolation module group and a second breaker group, wherein the input end of the load converter group is connected with a high-voltage cable, and the output end of the load converter group is respectively connected with the input end of the second multi-path voltage-stabilizing isolation module group and the input end of the second breaker group, the input end of the second breaker group is also connected with the output end of the second multi-path voltage-stabilizing isolation module group, the output end of the second breaker group is connected with the input end of load equipment, the data acquisition and processing unit is in cross connection with the second breaker group, namely the output end of the second breaker group is connected with the input end of the data acquisition and processing unit, and the output end of the data acquisition and processing unit. The second multi-path voltage-stabilizing isolation module group comprises an isolation direct current module or/and an isolation alternating current module, and is specifically selected according to actual needs; the load converter group comprises at least one converter, and the type of the converter is selected according to needs.
This supply distribution device includes that spheroid supplies distribution unit and load to supply distribution unit, and both all obtain parallel work behind the electric energy from the high-pressure hawser, and concrete theory of operation is as follows:
the working principle of the sphere power supply and distribution part is as follows: the high-voltage electric energy is transmitted to the input end of the buck converter by a high-voltage cable, low-voltage direct-current electric energy is obtained through the conversion of the buck converter, and the low-voltage direct-current electric energy is distributed to ball equipment needing isolation and high-precision voltage after passing through the first multi-path voltage-stabilizing isolation module and the first circuit breaker group and is directly distributed to general ball equipment through the first circuit breaker group; the ball emergency power supply is applied to the situation that the high-voltage cable cannot supply power.
The working principle of the load power supply and distribution part is as follows: the high-voltage electric energy is transmitted to the input end of the load converter group by the high-voltage cable, alternating current or direct current customized by a customer is obtained through conversion of the load converter group, and the alternating current electric energy or the direct current electric energy is distributed to load equipment needing isolation and high-precision voltage after passing through the second multi-path voltage-stabilizing isolation module to the second breaker group and is directly distributed to general load equipment through the second breaker group.
Fig. 2 is a schematic structural view of a service state of an on-ball power supply and distribution device for a captive balloon in an embodiment of the present invention, in this embodiment, a ball device includes a measurement and control device, a communication device, a fan, a valve, an airworthiness device, and an environmental control device, and a load device includes one path of isolated dc load, one path of isolated ac load, two paths of non-isolated dc loads, and two paths of non-isolated ac loads.
The voltage reduction high-voltage cable is connected with an AC/DC conversion unit on the ground to obtain direct current electric energy, the direct current electric energy is transmitted to the power supply and distribution device, and low-voltage direct current electric energy is obtained through the conversion of a voltage reduction transformer bank, the voltage reduction transformer bank selects two DC/DC converters, a first isolation voltage stabilization module group is provided with two isolation voltage stabilization modules which are respectively a micro-isolation voltage stabilization module A and an isolation voltage stabilization module B, wherein the isolation voltage stabilization module A supplies power to the measurement and control equipment through a first circuit breaker group, and the isolation voltage stabilization module B supplies power to the communication equipment; the fan, the valve, the airworthiness equipment and the environmental control equipment are directly powered by the step-down converter group; the load converter group selects a DC/DC converter and a DC/AC converter, the second isolation module group comprises an isolation direct current module and an isolation alternating current module, after high-voltage electric energy transmitted by a high-voltage cable is converted by the load converter group, the isolation direct current module supplies power to an isolation direct current load through the second circuit breaker group, the isolation alternating current module supplies power to an isolation alternating current load through the second circuit breaker group, and the load transformer group directly supplies power to a non-isolation direct current load and a non-isolation alternating current load through the second circuit breaker group.
Fig. 3 is a schematic structural view of a service state of a power supply and distribution device on a balloon for captive balloons in the second embodiment of the present invention, in this embodiment, a sphere device includes a measurement and control device, a communication device, a fan, a valve, an airworthiness device, and an environmental control device, and a load device includes one-way isolated dc load, two-way non-isolated dc loads, and two-way non-isolated ac loads.
The high-voltage cable is connected with a ground AC/AC exchange unit to obtain alternating current electric energy which is respectively transmitted to a sphere power supply and distribution unit and a load power supply and distribution unit, two AC/DC converters are selected for a step-down transformer set to convert the high-voltage alternating current electric energy into low-voltage direct current voltage, the first isolation voltage stabilizing module group comprises an isolation voltage stabilizing module A and an isolation voltage stabilizing module B, the isolation voltage stabilizing module A supplies power to the measurement and control equipment through the first circuit breaker group, the isolation voltage stabilizing module B supplies power to the communication equipment through the first circuit breaker group, and the fan, the invention, the navigability equipment and the environmental control equipment are directly supplied with power through the first circuit breaker group through the step-down converter group; in the load power supply and distribution unit, the load converter group selects an AC/DC converter, an AC/AC converter, the second isolation voltage stabilization module group selects an isolation direct current module, the isolation direct current module supplies power to the isolation direct current load through the second circuit breaker group, and the load converter group directly supplies power to the non-isolation direct current load and the non-alternating current load through the second circuit breaker group.
Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.
Claims (7)
1. The on-ball power supply and distribution device for the captive balloon is characterized by comprising a ball power supply and distribution unit, a load power supply and distribution unit and a data acquisition and processing unit, wherein the input end of the ball power supply and distribution unit is connected with a high-voltage cable, the output end of the ball power supply and distribution unit is connected with ball equipment, the input end of the load power supply and distribution unit is connected with the high-voltage cable, the output end of the load power supply and distribution unit is connected with the load equipment, and the data acquisition and processing unit is respectively connected with the ball power supply and distribution unit and the load power supply and distribution unit;
the sphere power supply and distribution unit comprises a buck converter group, a first multi-path voltage-stabilizing isolation module group and a first breaker group, wherein the input end of the buck converter group is connected with a high-voltage cable, and the output end of the buck converter group is connected to the input end of the first multi-path voltage-stabilizing isolation module group and the input end of the first breaker group;
the load power supply and distribution unit comprises a load converter group, a second multi-path voltage-stabilizing isolation module group and a second breaker group, wherein the input end of the load converter group is connected with the high-voltage cable, and the output end of the load converter group is respectively connected with the input end of the second multi-path voltage-stabilizing isolation module group and the input end of the second breaker group;
the second multi-path voltage-stabilizing isolation module group comprises an isolation direct current module or/and an isolation alternating current module.
2. An on-board power supply and distribution apparatus for a tethered balloon as claimed in claim 1, wherein said set of buck converters comprises two dc converters in backup to each other.
3. An on-ball power supply and distribution apparatus for a tethered balloon as claimed in claim 2 wherein said first set of multiple voltage regulation isolation modules comprises at least one voltage regulation isolation module.
4. The on-ball power supply and distribution device for a captive balloon of claim 2, wherein the on-ball power supply and distribution unit further comprises an on-ball emergency power supply, an output of the on-ball emergency power supply is connected to the input of the first multi-path voltage-stabilizing isolation module set and the input of the first breaker set, and the on-ball emergency power supply is a rechargeable battery.
5. An on-ball power supply and distribution apparatus for a tethered balloon as claimed in any of claims 1 to 4 wherein the buck converter and the first set of multiplexed voltage regulation isolation modules are both power electronic conversion devices.
6. An on-ball power supply and distribution apparatus for a tethered balloon as claimed in claim 5 wherein said set of load transducers comprises at least one transducer.
7. An on-board power supply and distribution apparatus for a tethered balloon as claimed in claim 6, wherein a communications interface is further connected to the data acquisition and processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090375.XA CN108233380B (en) | 2018-01-30 | 2018-01-30 | On-ball power supply and distribution device for captive balloon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090375.XA CN108233380B (en) | 2018-01-30 | 2018-01-30 | On-ball power supply and distribution device for captive balloon |
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| Publication Number | Publication Date |
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| CN108233380A CN108233380A (en) | 2018-06-29 |
| CN108233380B true CN108233380B (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810090375.XA Active CN108233380B (en) | 2018-01-30 | 2018-01-30 | On-ball power supply and distribution device for captive balloon |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109502032B (en) * | 2018-11-28 | 2022-05-24 | 中电科特种飞机系统工程有限公司 | Power supply system and autorotation gyroplane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2293407A1 (en) * | 2009-09-08 | 2011-03-09 | Converteam Technology Ltd | Power transmission and distribution systems |
| CN104914762A (en) * | 2015-05-15 | 2015-09-16 | 上海航空电器有限公司 | Civil aircraft distributed secondary distribution system architecture |
| CN105680554A (en) * | 2015-12-28 | 2016-06-15 | 海鹰航空通用装备有限责任公司 | Power supply and distribution control device for unmanned aerial vehicle |
| CN106452067B (en) * | 2016-10-08 | 2019-03-15 | 中国科学院光电研究院 | A kind of balloon borne supply convertor of captive balloon |
| CN106532915A (en) * | 2016-12-05 | 2017-03-22 | 中国特种飞行器研究所 | Captive balloon self-powered system |
| CN107046437A (en) * | 2016-12-15 | 2017-08-15 | 北京计算机技术及应用研究所 | A kind of vehicle-mounted unmanned aerial vehicle is tethered at signal reconnaissance system |
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