CN105024452B - DC uninterrupted power supply method and line - Google Patents
DC uninterrupted power supply method and line Download PDFInfo
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- CN105024452B CN105024452B CN201510489134.9A CN201510489134A CN105024452B CN 105024452 B CN105024452 B CN 105024452B CN 201510489134 A CN201510489134 A CN 201510489134A CN 105024452 B CN105024452 B CN 105024452B
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Abstract
The invention provides a DC uninterrupted power supply method and line. The DC uninterrupted power supply line comprises a DC uninterrupted bus bar, a time-delay disconnection relay, a DC emergency bus bar, at least one DC normal bus bar and at least one diode. Each DC normal bus bar is connected with the time-delay disconnection relay via one diode corresponding to the DC normal bus bar. The two contacts of the time-delay disconnection relay are respectively connected with the DC emergency bus bar and the DC uninterrupted bus bar under the condition that the time-delay disconnection relay is powered on, wherein the DC emergency bus bar is connected with an emergency power supply, and the at least one DC normal bus bar is connected with a power supply. With application of the DC uninterrupted power supply line, problems in the prior art that electricity utilization equipment is large in size, high in weight and high in cost are solved so that the effects of simplifying the system design and enhancing economical efficiency are achieved.
Description
Technical field
The present invention relates to circuit field, in particular to a kind of DC uninterrupted method of supplying power to and circuit.
Background technology
In prior art, aircraft DC power-supply system is generally met an urgent need by direct current normal power source, direct-current ground power supply and direct current
The part of power supply three constitutes, and for security consideration, typically direct current normal power source and direct-current ground power supply is not allowed in system design
Power to electrical network on machine simultaneously.
Fig. 1 is the connection diagram of the aircraft DC power-supply system list normal power source channel configurations according to correlation technique, such as
Shown in Fig. 1, DC generator (or vertoro) 1 is connected by catalyst 4 with the normal busbar 8 of direct current in figure, direct current ground
Face power supply 2 is connected by catalyst 5 with the normal busbar 8 of direct current, and accumulator 3 is connected by the emergent busbar 9 of catalyst 6 and direct current
Connect, the normal busbar 8 of direct current is connected by the emergent busbar 9 of diode 7 and direct current.
When DC generator (or vertoro) 1 is to aviation power supply, catalyst 4 is connected, and catalyst 5 disconnects, direct current
Electromotor (or vertoro) 1 is powered by catalyst 4 to the normal busbar 8 of direct current；Supply to aircraft in direct-current ground power supply 2
When electric, catalyst 4 disconnects, and catalyst 5 is connected, and direct-current ground power supply 2 is powered by catalyst 5 to the normal busbar 8 of direct current；Appoint
In the case of what, the emergent busbar 9 of direct current is entered by catalyst 6 or the normal busbar 8 of direct current by accumulator 3 by diode 7
Row power supply.Because catalyst 4,5 does not allow to be also turned on, aircraft is being changed by the power supply of DC generator (or vertoro) 1
It is to be powered or be converted to DC generator (or vertoro) 1 by the power supply of direct-current ground power supply 2 to power by direct-current ground power supply 2
During, the normal busbar 8 of direct current occurs short term outage.
Fig. 2 is the connection signal of the non-parallel architecture of the double normal power source passages of aircraft DC power-supply system according to correlation technique
Figure, as shown in Fig. 2 DC generator (or vertoro) 1 is connected by catalyst 5 with the normal busbar 12 of direct current, direct current
Electromotor (or vertoro) 2 is connected by catalyst 6 with the normal busbar 13 of direct current, and direct-current ground power supply 3 is by contact
Device 7 is connected with the normal busbar 12 of direct current, and accumulator 4 is connected by the emergent busbar 14 of catalyst 8 and direct current, and direct current normally converges
Stream bar 12 is connected by catalyst 9 with the normal busbar 13 of direct current, and the normal busbar 12 of direct current should with direct current by diode 10
Anxious busbar 14 connects, and the normal busbar 13 of direct current is connected by the emergent busbar 14 of diode 11 and direct current.
When DC generator (or vertoro) 1,2 is to aviation power supply, catalyst 7,9 disconnects, and catalyst 5,6 connects
Logical, DC generator (or vertoro) 1,2 is powered respectively by catalyst 5,6 to the normal busbar 12,13 of direct current.Straight
When stream ground power supply 3 is to aviation power supply, catalyst 5,6 disconnects, and catalyst 7,9 is connected, and direct-current ground power supply 3 passes through catalyst 7
Power to the normal busbar 12 of direct current, the normal busbar 12 of direct current is powered by catalyst 9 to the normal busbar 13 of direct current.It is any
In the case of, the emergent busbar 14 of direct current passes through respectively two by accumulator 4 by catalyst 8 or the normal busbar 12,13 of direct current
Pole pipe 10,11 is powered.When DC generator (or vertoro) 1 fails, catalyst 5 disconnects, and catalyst 9 is connected,
The normal busbar 13 of direct current is powered by catalyst 9 to the normal busbar 12 of direct current, in the process the normal busbar 12 of direct current
Short term outage occurs；When DC generator (or vertoro) 2 fails, catalyst 6 disconnects, and catalyst 9 is connected,
The normal busbar 12 of direct current is powered by catalyst 9 to the normal busbar 13 of direct current, in the process the normal busbar 13 of direct current
Short term outage occurs；Further, since catalyst 5,6 does not allow to be also turned on catalyst 7,9, aircraft is being sent out by direct current
The power supply of motor (or vertoro) 1,2 is converted to be powered by direct-current ground power supply 3 or is converted to by the power supply of direct-current ground power supply 3
In the power supply process of DC generator (or vertoro) 1,2, the normal busbar 12,13 of direct current occurs in short-duration power
It is disconnected.
In correlation technique, other many normal power source channel configurations of aircraft DC power-supply system are on direct-current ground power supply and machine
When each normal power source passage is powered conversion each other on normal power source interchannel or machine, also all can inevitably occur short
When power failure.For being powered by the normal busbar of direct current on aircraft and requiring the electrical equipment of continuous work, in order to be able to
It is enough to continue normal work during power failure, it is necessary to accumulator to be set in interiors of products, but so, can be increased again
The volume of electrical equipment, weight and cost.
The content of the invention
The invention provides a kind of DC uninterrupted method of supplying power to and circuit, at least to solve electrical equipment in correlation technique
Volume is big, weight big and the problem of high cost.
According to an aspect of the invention, there is provided a kind of DC uninterrupted supply line, including：It is DC uninterrupted to conflux
Bar, time delay disconnect relay, direct current emergent busbar, the normal busbar of at least one direct current, at least one diode；Each
Being connected by an its corresponding diode and time delay disconnection relay for the normal busbar of direct current, it is disconnected in the time delay
In the case of the connection of open relay, the time delay disconnect two contacts of relay respectively with the emergent busbar of the direct current and
The DC uninterrupted busbar is connected；Wherein, the emergent busbar of the direct current is connected with emergency power supply, and described at least one is straight
Flow normal busbar to be connected with power supply.
Preferably, it is defeated by an its corresponding diode after electricity on the normal busbar of at least one direct current
Go out unidirectional current control time delay and disconnect relay connection, the emergent busbar of the direct current disconnects relay to the direct current by time delay
Uninterrupted busbar is powered；After the normal busbar dead electricity of at least one direct current, relay is disconnected by the time delay and is existed
Remain up in first time period, the emergent busbar of the direct current disconnects relay in the first time period by the time delay
Device to the DC uninterrupted busbar is powered.
Preferably, on the normal busbar of at least one direct current after electricity, the normal busbar of at least one direct current
Voltage higher than the DC uninterrupted busbar voltage, the normal busbar of at least one direct current and the direct current not between
Disconnected busbar is powered to electrical equipment.
Preferably, the situation of the normal busbar dead electricity of at least one direct current includes one below：One direct current is normal
Busbar is in the situation for switching to occur dead electricity during the DC source passage by other normal works is powered；The direct current is just
Often busbar powered by direct-current ground power supply switch to be powered by electromotor on aircraft or vertoro during occur losing
The situation of electricity.
Preferably, in the case of the normal busbar dead electricity of at least one direct current, at least one direct current normally converges
Stream bar can not export unidirectional current and control the time delay disconnection relay connection by corresponding diode.
According to a further aspect in the invention, there is provided a kind of method of DC uninterrupted power supply, including：Between providing direct current not
Disconnected busbar, time delay disconnect relay, direct current emergent busbar, the normal busbar of at least one direct current, at least one diode；
The normal busbar of each direct current disconnects relay and is connected by an its corresponding diode and the time delay, described
In the case that time delay disconnects the connection of relay, the time delay disconnects two contacts of relay and meets an urgent need with the direct current respectively and converges
Stream bar is connected with the DC uninterrupted busbar；Wherein, the emergent busbar of the direct current is connected with emergency power supply, it is described at least
The normal busbar of one direct current is connected with power supply.
Preferably, after electricity on the normal busbar of at least one direct current, by described its corresponding diode
Output unidirectional current control time delay disconnects relay and connects, the emergent busbar of the direct current by time delay disconnect relay to it is described directly
Flow uninterrupted busbar to power；After the normal busbar dead electricity of at least one direct current, by the time delay disconnect after
Electrical equipment is remained up in first time period, and the emergent busbar of the direct current is disconnected by the time delay in the first time period
Open relay to the DC uninterrupted busbar is powered.
Preferably, on the normal busbar of at least one direct current after electricity, the normal busbar of at least one direct current
Voltage higher than the DC uninterrupted busbar voltage, the normal busbar of at least one direct current and the direct current not between
Disconnected busbar is powered to electrical equipment.
Preferably, the situation of the normal busbar dead electricity of at least one direct current includes one below：One direct current is normal
Busbar is in the situation for switching to occur dead electricity during the DC source passage by other normal works is powered；The direct current is just
Often busbar powered by direct-current ground power supply switch to be powered by electromotor on aircraft or vertoro during occur losing
The situation of electricity.
Preferably, in the case of the normal busbar dead electricity of at least one direct current, at least one direct current normally converges
Stream bar can not export unidirectional current and control the time delay disconnection relay connection by corresponding diode.
By the present invention, using DC uninterrupted supply line, the circuit includes：DC uninterrupted busbar, time delay are broken
Open relay, direct current are met an urgent need busbar, the normal busbar of at least one direct current, at least one diode；Each direct current is normal
Being connected by an its corresponding diode and time delay disconnection relay for busbar, the connection of relay is disconnected in time delay
In the case of, time delay disconnects two contacts of relay and is connected with the emergent busbar of direct current and DC uninterrupted busbar respectively；Its
In, the emergent busbar of direct current is connected with emergency power supply, and the normal busbar of at least one direct current is connected with power supply, solves related skill
The volume of electrical equipment is big in art, weight is big and high cost problem, and then reached simplified system design, improved economy
Effect.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the connection diagram of the aircraft DC power-supply system list normal power source channel configurations according to correlation technique；
Fig. 2 is the connection signal of the non-parallel architecture of the double normal power source passages of aircraft DC power-supply system according to correlation technique
Figure；
Fig. 3 is the circuit diagram of DC uninterrupted supply line according to embodiments of the present invention；
Fig. 4 is another connection diagram of uninterrupted power supply circuit according to embodiments of the present invention.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the present invention in detail.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
In order to solve the electrical equipment of the continuous work of requirement on aircraft to adapt to be produced when DC power system is powered and changed
Short term outage and arranging accumulator in interiors of products causes the problem that aircraft system design is complicated, economy is reduced,
A kind of aircraft DC uninterrupted power supply circuit is embodiments provided, can be carried to the electrical equipment for having continuous job requirement
For uninterrupted power supply, thus can eliminate this part electrical equipment interiors of products arrange the volume that accumulator brought,
Weight and cost overhead, so as to simplify the system design of aircraft, improve the economy of aircraft.
A kind of DC uninterrupted method of supplying power to being applied on aircraft is embodiments provided, the method includes：Carry
For a DC uninterrupted busbar, a time delay disconnects relay, the emergent busbar of direct current, and with aircraft DC electricity
The corresponding diode of origin system normal power source number of channels, the normal busbar of direct current.The normal busbar of the direct current passes through two poles
Pipe output unidirectional current control time delay disconnects the break-make of relay, the emergent busbar of direct current by time delay disconnection relay to direct current not
Interruption busbar is powered.
For aircraft DC power-supply system list normal power source channel configurations, after electricity on the normal busbar of direct current, lead to
Cross diode output unidirectional current control time delay and disconnect relay and connect, make the emergent busbar of direct current by time delay disconnection relay to
DC uninterrupted busbar is powered, from DC uninterrupted busbar and the normal busbar of direct current jointly to there is uninterrupted power supply requirement
Electrical equipment (hereinafter referred to as uninterrupted electrical equipment) power supply.The normal busbar of direct current switchs to being powered by direct-current ground power supply
Occur after dead electricity during being powered by normal power source on machine (electromotor or vertoro), it is impossible to straight by diode output
Stream electric control time delay disconnects relay and connects, and now time delay disconnects relay can be in a timing based on its own time delay turn-off characteristic
It is interior to continue to remain up, make DC uninterrupted busbar still be powered by the emergent busbar of direct current, in the process by direct current not
Interruption busbar is individually powered to uninterrupted electrical equipment；After the normal busbar of direct current switchs to by normal power source is powered on machine,
Again by diode output unidirectional current control time delay disconnect relay connect, now uninterrupted electrical equipment revert to again by
DC uninterrupted busbar and the normal busbar of direct current are powered jointly.
For many normal power source channel configurations of aircraft DC power-supply system, when electricity on the normal busbar of arbitrary direct current
Afterwards, unidirectional current is exported by corresponding diode and controls time delay disconnection relay connection, make the emergent busbar of direct current pass through time delay
Disconnect relay to power to DC uninterrupted busbar, the normal busbar of each direct current after DC uninterrupted busbar and upper electricity is total to
In the same direction uninterrupted electricity supply and use equipment is powered.The normal busbar of each direct current switchs to by normal electricity on machine being powered by direct-current ground power supply
Source (electromotor or vertoro) occurs after dead electricity during powering, it is impossible to export DC controlled by corresponding diode
Time delay processed disconnects relay and connects, now time delay disconnect relay based on its own time delay turn-off characteristic can within a certain period of time after
It is continuous to remain up, make DC uninterrupted busbar still be powered by the emergent busbar of direct current, in the process by DC uninterrupted remittance
Stream bar is individually powered to uninterrupted electrical equipment；After the normal busbar of each direct current switchs to by normal power source is powered on machine, again
Unidirectional current is exported by diode and controls time delay disconnection relay connection, now uninterrupted electrical equipment is reverted to by direct current again
Uninterrupted busbar and the normal busbar of direct current are powered jointly.After arbitrary normal power source channel failure, the power channel it is straight
Flow normal busbar after switching to dead electricity occur during the DC source passage by other normal works is powered, by other just
Often the normal busbar of direct current of power channel exports unidirectional current and controls time delay disconnection relay connection by respective diode, makes straight
Flow uninterrupted busbar still to be powered by the emergent busbar of direct current, now the uninterrupted electrical equipment of trouble power passage by direct current not
Interruption busbar is individually powered；The normal busbar of direct current of pending fault power channel switchs to be powered by other normal power source passages
Afterwards, the uninterrupted electrical equipment of the power channel reverts to common by DC uninterrupted busbar and the normal busbar of direct current again
Power supply.
Fig. 3 is the circuit diagram of DC uninterrupted supply line according to embodiments of the present invention, as shown in figure 3, this is straight
Stream uninterrupted power supply circuit includes that the 1, time delay of a DC uninterrupted busbar disconnects the emergent remittance of 2, direct current of relay
The normal busbar 5 of the stream direct current of diode 4, of bar 3,.
After electricity on the normal busbar 5 of direct current, unidirectional current control time delay disconnection relay 2 is exported by diode 4 and is connected,
Make the emergent busbar 3 of direct current disconnect relay 2 by time delay to power to DC uninterrupted busbar 1, confluxed by DC uninterrupted
Bar 1 and the normal busbar 5 of direct current are powered to uninterrupted electrical equipment jointly.The normal busbar 5 of direct current is by direct-current ground power supply
Power supply switch to by normal power source on machine (electromotor or vertoro) power during occur after dead electricity, it is impossible to by two poles
The output unidirectional current control time delay of pipe 4 disconnects relay 2 and connects, and now time delay disconnection relay 2 is disconnected special based on its own time delay
Property can continue within a certain period of time to remain up, make DC uninterrupted busbar 1 still be powered by the emergent busbar 3 of direct current, here
During individually powered to uninterrupted electrical equipment from DC uninterrupted busbar 1；Treat that the normal busbar 5 of direct current switchs to by machine
After normal power source is powered, disconnect relay 2 again by the output unidirectional current control time delay of diode 4 and connect, now uninterruptedly use
Electric equipment is reverted to again is powered jointly by DC uninterrupted busbar 1 and the normal busbar 5 of direct current.
Fig. 4 is another connection diagram of uninterrupted power supply circuit according to embodiments of the present invention, as shown in figure 4, when straight
Flow on normal busbar 5,7 after electricity, unidirectional current control time delay disconnection relay 2 is exported by diode 4,6 and is connected, answer direct current
Anxious busbar 3 disconnects relay 2 and powers to DC uninterrupted busbar 1 by time delay, after DC uninterrupted busbar 1 and upper electricity
The normal busbar 5,7 of direct current power to uninterrupted electricity supply and use equipment jointly.The normal busbar 5,7 of direct current is by direct-current ground electricity
Source power switch to by normal power source on machine (electromotor or vertoro) power during occur after dead electricity, it is impossible to by two
The output unidirectional current control time delay of pole pipe 4,6 disconnects relay 2 and connects, and it is disconnected based on its own time delay that now time delay disconnects relay 2
It is opening characteristic to continue within a certain period of time to remain up, make DC uninterrupted busbar 1 still be powered by the emergent busbar 3 of direct current,
Individually powered to uninterrupted electrical equipment from DC uninterrupted busbar 1 in the process；Treat that the normal busbar 5,7 of direct current switchs to
After being powered by normal power source on machine, disconnect relay 2 again by the output unidirectional current control time delay of diode 4,6 and connect, now
Uninterrupted electrical equipment is reverted to again is powered jointly by DC uninterrupted busbar 1 and the normal busbar 5,7 of direct current.
After arbitrary normal power source channel failure, the normal busbar 5 (or 7) of direct current of the power channel is switching to by another
The DC source passage of normal work occurs after dead electricity during powering, and is normally confluxed by the direct current of another normal power source passage
Bar 7 (or 5) exports unidirectional current control time delay disconnection relay 2 and connects by diode 6 (or 4), makes DC uninterrupted busbar 1
Still powered by the emergent busbar 3 of direct current, now the uninterrupted electrical equipment of trouble power passage is single by DC uninterrupted busbar 1
Solely power supply；The normal busbar 5 (or 7) of direct current of pending fault power channel switchs to normally be confluxed by another normal power source channel DC
After bar 7 (or 5) power supply, the uninterrupted electrical equipment of the power channel is reverted to by DC uninterrupted busbar 1 and direct current again
Normal busbar 5 (or 7) is powered jointly.
The preferable enforcement of the DC uninterrupted supply line of aircraft DC power-supply system other many normal power source channel configurations
Mode is similar with single, double normal power source channel configurations, it is only necessary to preferably real in single, double normal power source passage uninterrupted power supply circuit
Apply and corresponding diode and the normal busbar of direct current are increased according to increased normal power source port number on the basis of mode.When
On the normal busbar of arbitrary direct current after electricity, unidirectional current is exported by corresponding diode and controls time delay and disconnect relay to connect, made
The emergent busbar of direct current is powered by time delay disconnection relay to DC uninterrupted busbar, DC uninterrupted busbar and upper electricity
The normal busbar of each direct current afterwards is powered to uninterrupted electricity supply and use equipment jointly.The normal busbar of each direct current is by direct-current ground electricity
Source power switch to by normal power source on machine (electromotor or vertoro) power during occur after dead electricity, it is impossible to by phase
The diode output unidirectional current control time delay answered disconnects relay and connects, and it is disconnected based on its own time delay that now time delay disconnects relay
It is opening characteristic to continue within a certain period of time to remain up, make DC uninterrupted busbar still be powered by the emergent busbar of direct current,
Individually powered to uninterrupted electrical equipment from DC uninterrupted busbar during this；Treat that the normal busbar of each direct current switchs to by machine
After upper normal power source is powered, disconnect relay again by diode output unidirectional current control time delay and connect, now uninterruptedly use
Electric equipment is reverted to again is powered jointly by DC uninterrupted busbar and the normal busbar of each direct current.When arbitrary normal power source leads to
After road failure, the mistake that the normal busbar of direct current of the power channel is powered in the DC source passage switched to by other normal works
Occur in journey after dead electricity, unidirectional current control is exported by respective diode by the direct current of other normal power source passages normal busbar
Time delay disconnects relay and connects, and makes DC uninterrupted busbar still be powered by the emergent busbar of direct current, now trouble power passage
Uninterrupted electrical equipment individually powered by DC uninterrupted busbar；The normal busbar of pending fault power channel direct current switch to by
After other normal power source passages are powered, the uninterrupted electrical equipment of the power channel is reverted to by DC uninterrupted busbar again
Power jointly with the normal busbar of direct current.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of DC uninterrupted supply line, it is characterised in that include：DC uninterrupted busbar, time delay disconnect relay,
Direct current is met an urgent need busbar, the normal busbar of at least one direct current, at least one diode；The normal busbar of each direct current passes through
One its corresponding diode disconnects relay and is connected with the time delay, and in the time delay situation that relay is connected is disconnected
Under, the time delay disconnect two contacts of relay respectively with the emergent busbar of the direct current and the DC uninterrupted busbar
It is connected；Wherein, the emergent busbar of the direct current is connected with emergency power supply, the normal busbar of at least one direct current and power supply phase
Even.
2. DC uninterrupted supply line according to claim 1, it is characterised in that
After electricity on the normal busbar of at least one direct current, unidirectional current control is exported by an its corresponding diode
Time delay disconnects relay and connects, and the emergent busbar of the direct current disconnects relay to the DC uninterrupted busbar by time delay
Power supply；
After the normal busbar dead electricity of at least one direct current, relay is disconnected by the time delay and is protected in first time period
Hold connection, the emergent busbar of the direct current in the first time period by time delay disconnection relay to the direct current not
Interruption busbar is powered.
3. DC uninterrupted supply line according to claim 1 and 2, it is characterised in that at least one direct current
On normal busbar after electricity, the electricity of the voltage of the normal busbar of at least one direct current higher than the DC uninterrupted busbar
Pressure, the normal busbar of at least one direct current and the DC uninterrupted busbar are powered to electrical equipment.
4. DC uninterrupted supply line according to claim 2, it is characterised in that at least one direct current normally converges
The situation of stream bar dead electricity includes one below：
The normal busbar of one direct current is switching to dead electricity occur during the DC source passage by other normal works is powered
Situation；
The normal busbar of at least one direct current switchs to by electromotor on aircraft or becomes repoussage being powered by direct-current ground power supply
There is the situation of dead electricity in stream device during powering.
5. DC uninterrupted supply line according to claim 2, it is characterised in that at least one direct current normally converges
In the case of stream bar dead electricity, the normal busbar of at least one direct current can not export unidirectional current control by corresponding diode
The time delay disconnects relay and connects.
6. a kind of method of DC uninterrupted power supply, it is characterised in that include：
There is provided DC uninterrupted busbar, time delay disconnection relay, the emergent busbar of direct current, at least one direct current normally to conflux
Bar, at least one diode；
The normal busbar of each direct current disconnects relay and is connected by an its corresponding diode and the time delay, in institute
In the case of stating time delay disconnection relay connection, the time delay disconnects two contacts of relay and meets an urgent need with the direct current respectively and converges
Stream bar is connected with the DC uninterrupted busbar；Wherein, the emergent busbar of the direct current is connected with emergency power supply, it is described at least
The normal busbar of one direct current is connected with power supply.
7. method according to claim 6, it is characterised in that
After electricity on the normal busbar of at least one direct current, DC controlled is exported by described its corresponding diode
Time delay processed disconnects relay and connects, and the emergent busbar of the direct current DC uninterrupted is confluxed by time delay disconnection relay to described
Bar is powered；
After the normal busbar dead electricity of at least one direct current, relay is disconnected in first time period by the time delay
Inside remain up, the emergent busbar of the direct current in the first time period by the time delay disconnect relay to it is described directly
Flow uninterrupted busbar to power.
8. the method according to claim 6 or 7, it is characterised in that the electricity on the normal busbar of at least one direct current
Afterwards, the voltage of the normal busbar of at least one direct current higher than the DC uninterrupted busbar voltage, described at least one
The individual normal busbar of direct current and the DC uninterrupted busbar are powered to electrical equipment.
9. method according to claim 7, it is characterised in that the situation of the normal busbar dead electricity of at least one direct current
Including one below：
The normal busbar of one direct current is switching to dead electricity occur during the DC source passage by other normal works is powered
Situation；
The normal busbar of at least one direct current switchs to by electromotor on aircraft or becomes repoussage being powered by direct-current ground power supply
There is the situation of dead electricity in stream device during powering.
10. method according to claim 7, it is characterised in that the feelings of the normal busbar dead electricity of at least one direct current
Under condition, the normal busbar of at least one direct current can not export unidirectional current and control the time delay and disconnect by corresponding diode
Relay is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510489134.9A CN105024452B (en) | 2015-08-11 | 2015-08-11 | DC uninterrupted power supply method and line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489134.9A CN105024452B (en) | 2015-08-11 | 2015-08-11 | DC uninterrupted power supply method and line |
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| CN105024452A CN105024452A (en) | 2015-11-04 |
| CN105024452B true CN105024452B (en) | 2017-04-19 |
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| CN105093146A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Low-voltage detector tester |
| CN107979084A (en) * | 2017-11-28 | 2018-05-01 | 浙江中航通飞研究院有限公司 | A kind of low-voltage direct distribution system in general-purpose aircraft distribution region |
| CN107910860B (en) * | 2017-12-01 | 2021-05-11 | 中国直升机设计研究所 | Power supply system of single-engine helicopter |
| CN107910948B (en) * | 2017-12-01 | 2021-05-07 | 中国直升机设计研究所 | Device for reducing helicopter power conversion time and helicopter power system |
| CN110556814B (en) * | 2018-05-31 | 2023-08-25 | 上海航空电器有限公司 | Power input priority structure of right and left normal direct-current distribution bus bars of airplane power supply |
| CN110556818B (en) * | 2018-05-31 | 2023-08-08 | 上海航空电器有限公司 | Protection structure for connecting contactor of AC distribution bus bar and incapable of being disconnected due to fault |
| CN110979706B (en) * | 2019-10-11 | 2022-12-30 | 中国直升机设计研究所 | Dual-voltage helicopter power supply system |
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