CN114759656A - Intelligent control system and method for multi-power-supply power supply system on machine - Google Patents
Intelligent control system and method for multi-power-supply power supply system on machine Download PDFInfo
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- CN114759656A CN114759656A CN202110025465.2A CN202110025465A CN114759656A CN 114759656 A CN114759656 A CN 114759656A CN 202110025465 A CN202110025465 A CN 202110025465A CN 114759656 A CN114759656 A CN 114759656A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 230000005405 multipole Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/041—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature additionally responsive to excess current
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Sources (AREA)
- Protection Of Static Devices (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses an intelligent control system and method of a multi-power supply system on a public machine, comprising a plurality of working power supplies; the power supply monitoring module is used for acquiring power supply working data of each working power supply; the power supply control module is used for determining power supply protection signals and power supply switching control signals related to each working power supply according to the power supply working data; the power supply protection module is used for controlling the working states of the temperature protection circuit, the short-circuit protection circuit and the power protection circuit of each working power supply according to the power supply protection signal; and the power supply switching module is used for controlling the working state of the switch of each working power supply according to the power supply switching control signal. The invention has the beneficial effects that: the intelligent control automatic switching is quick in response speed, and power failure in a period of time caused by the fact that the power supply needs to be manually confirmed and switched is avoided.
Description
Technical Field
The invention relates to on-machine multi-power supply control, in particular to an on-machine multi-power supply system intelligent control system and method.
Background
At present, the important equipment on the aircraft is emergency power supply equipment, and the power supply mode is to avoid causing the important equipment to be unable to supply power and work when the normal power supply breaks down, and then influences flight safety.
The emergency power supply equipment actually has two power supplies, wherein one power supply is a normal power supply, and the other power supply is an emergency power supply. The normal power supply and the emergency power supply are respectively protected by a breaker and then are connected with a mechanical switch to control output. The protection of the power supply only has current protection, and when the working current exceeds the protection current of the circuit breaker, the circuit breaker automatically breaks the protection. The power supply of the normal power supply and the power supply of the emergency power supply can be switched by manually operating the mechanical switch. The schematic block diagram is shown in fig. 1.
When a power supply fails, the power supply changeover switch needs to be manually operated to realize power supply switching, and the operation can cause power failure of electric equipment for a period of time. The control method has the defects of insufficient power protection, long power switching time and the like, and potential danger is caused to the safety of the airplane due to power failure of equipment.
Disclosure of Invention
The invention aims to overcome the problems that the conventional multi-power-supply system on the machine is not protected sufficiently, long in switching time, incapable of realizing automatic control and the like, and provides a novel intelligent control system and a novel intelligent control method for the multi-power-supply system on the machine.
In order to achieve the purpose, the technical scheme of the invention is as follows: an intelligent control system of an on-machine multi-power supply system comprises,
a plurality of operating power supplies;
the power supply monitoring module is used for acquiring power supply working data of each working power supply, and the power supply working data has working voltage, working current, working temperature and loss power of each working power supply;
the power supply control module is used for receiving the power supply working data from the power supply monitoring module and determining a power supply protection signal and a power supply switching control signal of each working power supply according to the power supply working data of each working power supply;
the power supply protection module is provided with an over-temperature protection circuit, a short-circuit protection circuit and a power protection circuit which correspond to each working power supply, and is used for receiving power supply protection signals of each working power supply from the power supply control module and controlling the working states of the temperature protection circuit, the short-circuit protection circuit and the power protection circuit of each working power supply according to the power supply protection signals of each working power supply;
and the power supply switching module is provided with a multi-pole switch control circuit and is used for receiving the power supply switching control signal from the power supply control module and controlling the on or off of the multi-pole switch through the power supply switching control signal to realize the output of the working power supply.
As the optimal scheme of the intelligent control system of the on-board multi-power supply system, the power supply control module also determines power supply state display signals of all the working power supplies according to the power supply working data of all the working power supplies; the power supply state display module is used for receiving the power supply state display signals of the working power supplies from the power supply control module and displaying the power supply states of the working power supplies according to the power supply state display signals of the working power supplies.
The preferred scheme is used as an intelligent control system of an on-machine multi-power supply system, wherein the working voltage is input by an input voltage VINAnd an output voltage VOUTThe working current is composed of an input current IINAnd an output current IOUTComposition, power loss PLoss of power=VIN×IIN－VOUT×IOUT。
The invention also provides an intelligent control method of the power supply system with multiple power supplies on the machine, which comprises the following steps,
providing an intelligent control system of an onboard multi-power supply system;
the power supply monitoring module acquires power supply working data of each working power supply;
the power supply control module receives power supply working data of each working power supply from the power supply monitoring module and determines a power supply protection signal and a power supply switching control signal of each working power supply according to the power supply working data of each working power supply;
the power protection module receives power protection signals of all working power supplies from the power control module and controls the working states of the temperature protection circuit, the short-circuit protection circuit and the power protection circuit of all the working power supplies according to the power protection signals of all the working power supplies; and the number of the first and second groups,
the power supply switching module receives power supply switching control signals of all working power supplies from the power supply control module and controls the working state of the switching switch of each working power supply according to the power supply switching control signals of all working power supplies.
As a preferable scheme of the intelligent control method of the on-board multi-power supply system, the power state display module receives power state display signals of all working power supplies from the power control module and displays the power states of all the working power supplies according to the power state display signals of all the working power supplies.
Compared with the prior art, the invention has the beneficial effects that: the intelligent control automatic switch-over is and response speed is fast, avoids needing artifical affirmation to switch over the power again and causes a period of time to fall the electricity, simultaneously for the power design multiple protection, avoids the power damage, and power switching-over time and protection turn-off time all can reach within 10 ms.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantageous effects brought by the technical features of the technical solutions described above, other technical problems solved by the present invention, other technical features included in the technical solutions, and advantageous effects brought by the technical features will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a prior art structure.
Fig. 2 is a schematic structural diagram of the present invention.
FIG. 3 is a display interface diagram of a power status display module according to the present invention.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and drawings. The embodiments are described herein to assist understanding of the present invention, but are not to be construed as limiting the present invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 2, an intelligent control system of a multi-power-supply-on-machine power supply system is shown.
The intelligent control system of the on-board multi-power supply system comprises a power supply control module, a power supply monitoring module, a power supply protection module, a power supply switching module, a power supply state display module and the like.
The power supply control module is used as a data processing, algorithm and logic processing end, receives all power supply working data output by the power supply monitoring module through the Ethernet, respectively outputs a power supply protection signal and a power supply switching control signal to the power supply protection module and the power supply switching module through hard wires after the power supply control module is processed through logical operation, and simultaneously outputs a power supply state display signal to the power supply state display module through a 422 bus. The power supply monitoring module samples parameters of each working power supply through the high-precision sensor and the AD converter, converts the parameters into digital quantity and transmits the data to the power supply control module through the Ethernet. The power protection module receives a power protection signal from the power control module. The output of the working power supply is cut off by an over-temperature protection circuit, a short-circuit protection circuit or a power protection circuit (or a combination of a plurality of protection circuits), so that the working power supply is protected from being burnt out. The power supply switching module receives a power supply switching control signal of the power supply control module and controls the output of the working power supply by controlling the on-off of the multi-blade switch. The power state display module receives a power state display signal sent by the power control module through the 422 bus, and displays and visually displays data in a table form after analysis, wherein a display interface is shown in figure 3.
The foregoing merely represents embodiments of the present invention, which are described in some detail and detail, and therefore should not be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. An intelligent control system of an on-board multi-power supply system is characterized by comprising,
a plurality of operating power supplies;
the power supply monitoring module is used for acquiring power supply working data of each working power supply, and the power supply working data has working voltage, working current, working temperature and loss power of each working power supply;
the power supply control module is used for receiving the power supply working data from the power supply monitoring module and determining a power supply protection signal and a power supply switching control signal of each working power supply according to the power supply working data of each working power supply;
the power supply protection module is provided with an over-temperature protection circuit, a short-circuit protection circuit and a power protection circuit which correspond to each working power supply, and is used for receiving power supply protection signals from the power supply control module and controlling the working states of the temperature protection circuit, the short-circuit protection circuit and the power protection circuit of each working power supply according to the power supply protection signals of each working power supply;
and the power supply switching module is provided with a multi-pole switch control circuit and is used for receiving the power supply switching control signal from the power supply control module and controlling the on/off of the multi-pole switch through the power supply switching control signal to realize the output of the working power supply.
2. The intelligent control system of multiple power supply systems on the machine according to claim 1, wherein the power supply control module further determines a power supply state display signal of each working power supply according to power supply working data of each working power supply; the power supply state display module is used for receiving power supply state display signals of all the working power supplies from the power supply control module and displaying the power supply states of all the working power supplies according to the power supply state display signals of all the working power supplies.
3. The system of claim 1, wherein the operating voltage is derived from an input voltage VINAnd an output voltage VOUTComposition, working electricityCurrent is fed by input current IINAnd an output current IOUTComposition, power loss PLoss of power=VIN×IIN－VOUT×IOUT。
4. The intelligent control method of the on-board multi-power supply system is characterized by comprising the following steps,
providing an intelligent control system of an on-board multi-power supply system of any one of claims 1 to 3;
the power supply monitoring module acquires power supply working data of each working power supply;
the power supply control module receives power supply working data from the power supply monitoring module and determines power supply protection signals and power supply switching control signals of all working power supplies according to the power supply working data;
the power protection module receives a power protection signal from the power control module and controls the working states of the temperature protection circuit, the short-circuit protection circuit and the power protection circuit of each working power supply according to the power protection signal; and (c) a second step of,
and the power supply switching module receives the power supply switching control signal from the power supply control module and controls the working state of the switch of each working power supply according to the power supply switching control signal.
5. The intelligent control method for multiple electromechanical power supply system according to claim 4, wherein the power state display module receives the power state display signal from the power control module and displays the power state of each operating power supply according to the power state display signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110025465.2A CN114759656A (en) | 2021-01-08 | 2021-01-08 | Intelligent control system and method for multi-power-supply power supply system on machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110025465.2A CN114759656A (en) | 2021-01-08 | 2021-01-08 | Intelligent control system and method for multi-power-supply power supply system on machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114759656A true CN114759656A (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110025465.2A Pending CN114759656A (en) | 2021-01-08 | 2021-01-08 | Intelligent control system and method for multi-power-supply power supply system on machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114759656A (en) |
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2021
- 2021-01-08 CN CN202110025465.2A patent/CN114759656A/en active Pending
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