CN112242720A - Power supply system voltage stabilizer under high-power supply state of helicopter - Google Patents
Power supply system voltage stabilizer under high-power supply state of helicopter Download PDFInfo
- Publication number
- CN112242720A CN112242720A CN202011020835.5A CN202011020835A CN112242720A CN 112242720 A CN112242720 A CN 112242720A CN 202011020835 A CN202011020835 A CN 202011020835A CN 112242720 A CN112242720 A CN 112242720A
- Authority
- CN
- China
- Prior art keywords
- bus bar
- power supply
- main bus
- helicopter
- branch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D2221/00—Electric power distribution systems onboard aircraft
Abstract
The invention belongs to the field of helicopter power supply system design, and discloses a power supply system voltage stabilizing device under a high-power supply state of a helicopter, which comprises: a main bus bar, a load bus bar; the isolation branch and the boosting branch are connected in parallel between the main bus bar and the electric load bus bar; the starting motor is connected to the main bus bar, and the power supply is connected to the main bus bar; the problem that airborne electric equipment cannot work normally due to low voltage of a power grid when the helicopter motor rotates an engine can be effectively solved.
Description
Technical Field
The invention belongs to the field of helicopter power supply system design, and particularly relates to a power supply system voltage stabilizing device in a high-power supply state of a helicopter.
Background
Some helicopters use the motor to take the engine to make the engine ignition start, because when the motor takes the engine to rotate, the demand power is very big, and the electric wire netting produces very big electric current, and circuit voltage drop is too big and leads to voltage on the distribution busbar too low, and machine carries the consumer and can't normally work. The main method for solving the problem at present is to add a voltage stabilizing module in the airborne electric equipment working in the starting process of the engine to ensure normal working in the low-voltage environment of the power grid, but as the airborne electric equipment of the helicopter is more and more developed along with the technical development, the voltage stabilizing module is added to cause system redundancy and weight waste.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a voltage stabilizer for a power supply system of a helicopter in a high-power supply state, which solves the problem of too low voltage of the power supply system of the helicopter in the high-power supply state, and comprises: when the motor rotates with the engine, the required power is very high, if the voltage of a power grid is kept stable, a voltage stabilizing device with very high power is needed, the device can not meet the use requirement of the helicopter no matter the size and the weight, and the invention aims to solve the problem by adopting the following scheme.
A power supply system voltage stabilizing device of a helicopter in a high-power supply state comprises: a main bus bar, a load bus bar;
the isolation branch and the boosting branch are connected in parallel between the main bus bar and the electric load bus bar;
and the starting motor is connected to the main bus bar, and the power supply is connected to the main bus bar.
The technical scheme of the invention has the characteristics and further improvements that:
(1) the isolation branch is composed of a high-power isolation diode and a fuse which are connected in series.
(2) The boosting branch circuit consists of a fuse and a boosting circuit which are connected in series.
(3) The boost circuit is realized by a boost circuit.
(4) And the anode of the high-power isolation diode is connected to the main bus bar.
(5) The device further comprises: a load distribution bus bar which does not need to work in the starting process of the engine;
the distribution bus bar is directly connected to the main bus bar.
(6) The boosting branch is connected with a control switch in series;
when the starting signal of the engine is effective, the control switch is closed, and the boosting branch circuit is switched on;
when the engine starting signal is invalid, the control switch is disconnected, and the boosting branch circuit is disconnected.
(7) The starting motor is connected to the main bus bar through a starting motor contactor; the power supply is connected to the main bus bar through a starting contactor.
The power supply system adopts the technical scheme that the power supply system is divided into two paths for supplying power, one path directly supplies power to the starting motor, the voltage is not adjusted, the other path is stabilized at 22V through the voltage stabilizing device, and power is supplied to the power utilization loads which need to work in the starting state except the starting motor, so that the stable work of the power utilization loads is ensured. Therefore, the power of the voltage stabilizer is in an acceptable range, the starting time of the engine is considered to be short, the boost circuit is used, the voltage of a power grid can be kept stable, and the weight of the stabilizer outputting the current 100A can be controlled to be 2-3 kg.
Drawings
Fig. 1 is a schematic circuit structure diagram of a voltage stabilizing device of a power supply system in a high-power supply state of a helicopter.
Detailed Description
The embodiment of the invention provides a voltage stabilizing device of a power supply system of a helicopter in a high-power supply state, as shown in figure 1, the voltage stabilizing device comprises: a main bus bar, a load bus bar;
the isolation branch and the boosting branch are connected in parallel between the main bus bar and the electric load bus bar;
and the starting motor is connected to the main bus bar, and the power supply is connected to the main bus bar.
The technical scheme of the invention has the characteristics and further improvements that:
(1) the isolation branch is composed of a high-power isolation diode and a fuse which are connected in series.
(2) The boosting branch circuit consists of a fuse and a boosting circuit which are connected in series.
(3) The boost circuit is realized by a boost circuit.
(4) And the anode of the high-power isolation diode is connected to the main bus bar.
(5) The device further comprises: a load distribution bus bar which does not need to work in the starting process of the engine;
the distribution bus bar is directly connected to the main bus bar.
(6) The boosting branch is connected with a control switch in series;
when the starting signal of the engine is effective, the control switch is closed, and the boosting branch circuit is switched on;
when the engine starting signal is invalid, the control switch is disconnected, and the boosting branch circuit is disconnected.
(7) The starting motor is connected to the main bus bar through a starting motor contactor; the power supply is connected to the main bus bar through a starting contactor.
The invention provides a power supply system voltage stabilizing technology under the condition of high-power supply of a helicopter, which has clear logic, light weight and simple structure and can effectively solve the problem that airborne electric equipment cannot work normally due to low voltage of a power grid when an engine is driven by a helicopter motor.
The power supply system adopts the technical scheme that the power supply system is divided into two paths for supplying power, one path directly supplies power to the starting motor, the voltage is not adjusted, the other path is stabilized at 22V through the voltage stabilizing device, and power is supplied to the power utilization loads which need to work in the starting state except the starting motor, so that the stable work of the power utilization loads is ensured. Therefore, the power of the voltage stabilizer is in an acceptable range, the starting time of the engine is considered to be short, the boost circuit is used, the voltage of a power grid can be kept stable, and the weight of the stabilizer outputting the current 100A can be controlled to be 2-3 kg.
Claims (8)
1. A power supply system voltage stabilizer under the condition of high-power supply of a helicopter is characterized by comprising: a main bus bar, a load bus bar;
the isolation branch and the boosting branch are connected in parallel between the main bus bar and the electric load bus bar;
and the starting motor is connected to the main bus bar, and the power supply is connected to the main bus bar.
2. The device of claim 1, wherein the isolation branch comprises a high power isolation diode and a fuse connected in series.
3. The device of claim 1, wherein the boost branch comprises a fuse and a boost circuit connected in series.
4. The device of claim 3, wherein the boost circuit is implemented as a boost circuit.
5. The device of claim 2, wherein the positive pole of the high power isolation diode is connected to the main bus bar.
6. The device of claim 1, further comprising: a load distribution bus bar which does not need to work in the starting process of the engine;
the distribution bus bar is directly connected to the main bus bar.
7. The voltage stabilizing device for the power supply system of the helicopter in the high-power supply state of claim 1, wherein the boost branch is connected with a control switch in series;
when the starting signal of the engine is effective, the control switch is closed, and the boosting branch circuit is switched on;
when the engine starting signal is invalid, the control switch is disconnected, and the boosting branch circuit is disconnected.
8. The device of claim 1, wherein the starter motor is connected to the main bus bar via a starter motor contactor; the power supply is connected to the main bus bar through a starting contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011020835.5A CN112242720A (en) | 2020-09-25 | 2020-09-25 | Power supply system voltage stabilizer under high-power supply state of helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011020835.5A CN112242720A (en) | 2020-09-25 | 2020-09-25 | Power supply system voltage stabilizer under high-power supply state of helicopter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112242720A true CN112242720A (en) | 2021-01-19 |
Family
ID=74171661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011020835.5A Pending CN112242720A (en) | 2020-09-25 | 2020-09-25 | Power supply system voltage stabilizer under high-power supply state of helicopter |
Country Status (1)
| Country | Link |
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| CN (1) | CN112242720A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120007428A1 (en) * | 2010-07-12 | 2012-01-12 | Hamilton Sundstrand Corporation | Electric Power Generating System with Boost Converter/Synchronous Active Filter |
| CN105391162A (en) * | 2015-11-25 | 2016-03-09 | 北京象限空间科技有限公司 | Uninterrupted power supply system for unmanned aerial vehicle |
| CN107910860A (en) * | 2017-12-01 | 2018-04-13 | 中国直升机设计研究所 | A kind of single-shot Helicopter Electrical Power system |
| CN108270279A (en) * | 2018-03-25 | 2018-07-10 | 郑州蓝之夜电子科技有限公司 | Double-voltage electric power system suitable for commercial car and the automobile using the system |
| CN207977741U (en) * | 2018-04-04 | 2018-10-16 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | aircraft DC power supply system |
| CN110611329A (en) * | 2019-09-30 | 2019-12-24 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Device, application and method for reducing peak current of aircraft power supply system |
-
2020
- 2020-09-25 CN CN202011020835.5A patent/CN112242720A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120007428A1 (en) * | 2010-07-12 | 2012-01-12 | Hamilton Sundstrand Corporation | Electric Power Generating System with Boost Converter/Synchronous Active Filter |
| CN105391162A (en) * | 2015-11-25 | 2016-03-09 | 北京象限空间科技有限公司 | Uninterrupted power supply system for unmanned aerial vehicle |
| CN107910860A (en) * | 2017-12-01 | 2018-04-13 | 中国直升机设计研究所 | A kind of single-shot Helicopter Electrical Power system |
| CN108270279A (en) * | 2018-03-25 | 2018-07-10 | 郑州蓝之夜电子科技有限公司 | Double-voltage electric power system suitable for commercial car and the automobile using the system |
| CN207977741U (en) * | 2018-04-04 | 2018-10-16 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | aircraft DC power supply system |
| CN110611329A (en) * | 2019-09-30 | 2019-12-24 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Device, application and method for reducing peak current of aircraft power supply system |
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