CN116142463A

CN116142463A - Deicing control device, deicing control method and application

Info

Publication number: CN116142463A
Application number: CN202211643137.XA
Authority: CN
Inventors: 孙璐; 杨志芳; 杨瑞赓; 肖芬; 周佳璇
Original assignee: Avic Shijiazhuang Aircraft Industry Group Corp ltd
Current assignee: Avic Shijiazhuang Aircraft Industry Group Corp ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-23

Abstract

The invention discloses a deicing control device, a deicing control method and application, and relates to the technical field of deicing devices; the device comprises a deicing control module, a plurality of deicing units and a control module, wherein the deicing control module is used for distributing energy to part of the plurality of deicing units in turn; the method comprises a deicing control step, wherein energy sources are distributed to partial deicing units in the plurality of deicing units in turn; the application comprises the steps of distributing energy to part of the deicing units in turn, so as to reduce the energy consumption in unit time; the deicing control module can alternately distribute energy to part of the deicing units in the plurality of deicing units to realize deicing control.

Description

Deicing control device, deicing control method and application

Technical Field

The invention relates to the technical field of deicing devices, in particular to a deicing control device, a deicing control method and application.

Background

The writer searches for the formula TACD_ALL (deicing AND constant AND output AND (intermittent OR rotation)), AND obtains a closer prior art scheme as follows.

The authority bulletin number CN108979752B, entitled turbofan engine de-icing compressor and de-icing process. The compressor, also referred to as a supercharger, includes an inlet structure that is de-iced by the circulating flow of pressurized hot fluid from the high pressure compressor. The deicing structure comprises a deformable membrane through the thickness of which a circulating flow of pressurized fluid passes. If ice builds up on the membrane, the circulating flow of pressurized fluid is prevented, with the result that its pressure deforms the membrane in such a way that the built-up ice breaks.

The authorized bulletin number is CN1012427B, which is named as a deicer control system. Wherein the pressurized gas source is connected to a plurality of control valves and a regulator valve having a vacuum line output line, the output line also being connected to the control valves. These control valves, driven by a time timer, alternately bump and contract the deicing unit with a pressure line and a vacuum line in sequence. The control valve also seals or locks the pressurized deicing unit in this order in response to a pressure detector.

The writer searches for the formula TACD_ALL (propeller AND deicing AND (intermittent OR rotation)), AND the closer prior art scheme is obtained as follows.

The authorized bulletin number CN102438896B is named deicing device for propeller fan type propeller blades. Wherein the propulsion unit comprises a turbine which drives in rotation at least one rotor comprising a plurality of blades arranged around an annular crown which moves with the blades, the outer wall of the annular crown forming part of a housing of the propulsion unit, said housing being subjected to atmospheric conditions outside the propulsion unit. The turbine produces a flow of hot gases exiting through an annular pulse tube coaxial with the moving annular crown and the surface of which is defined in part by the inner wall of the moving annular crown. Comprising the following steps: means for extracting thermal energy from the thermal pulse tube, the means being within the moving annular member; means for transferring thermal energy to the rotor blade; means for distributing thermal energy to at least a portion of the surface of the blade.

The authorized bulletin number is CN111731485B, and the name is an autonomous intermittent deicing device, an installation method thereof and a deicing method thereof. The autonomous intermittent deicing device comprises a plurality of memory material brackets and an electric heating module, wherein the memory material brackets are connected with the electric heating module; when the memory material bracket is arranged on the inner wall, the electric heating module has two states; state one: the contact surface of the electric heating module is not contacted with the inner wall; state two: the contact surface of the electric heating module is contacted with the inner wall. The electric heating module is used for heating the ice layer locally and instantaneously, and the air pressure caused by vaporization of the contact surface of the ice layer and the inner wall can crush the ice layer in a larger range; compared with the prior art of slow heating, the ice removing device has the advantage of higher energy utilization rate of deicing per unit area; and has the advantage of simple and reliable structure.

The writer searches for the file, wherein the search is TACD_ALL (propeller AND deicing AND brush AND timing), AND no comparison file exists.

The writer searches for the file, wherein the search is TACD_ALL (propeller AND deicing AND brush AND breaker), AND no comparison file exists.

The writer searches for the file, wherein the search is TACD_ALL (propeller AND deicing AND brush AND relay), AND no comparison file exists.

The writer searches for the file, wherein the search is TACD_ALL (propeller AND brush AND relay AND ice), AND no comparison file exists.

In combination with the above patent documents and prior art schemes, the inventors analyzed the prior art schemes as follows.

Ice and snow weather often occurs in winter in north of China, the surface of the aircraft is extremely easy to freeze, the icing phenomenon influences the aerodynamic appearance and the flight safety of the aircraft, and great harm is brought to the flight. On a propeller plane, if the front edge of a propeller blade is frozen, the aerodynamic and mass balance of the propeller can be destroyed, the vibration of the propeller is caused, and the propeller cannot work normally. Therefore, in order to ensure flight safety, deicing measures must be taken for the propeller, and the most suitable anti-icing device is electric heating anti-icing because the surface area of the deicing part is not large.

Problems and considerations in the prior art:

how to solve the technical problem of deicing control of the surface of an aircraft.

Disclosure of Invention

The invention aims to solve the technical problem of deicing control and provides a deicing control device, a deicing control method and application.

In order to solve the technical problems, the invention adopts the following technical scheme: a deicing control apparatus includes a deicing control module configured to alternately distribute energy to a portion of a plurality of deicing units.

The further technical proposal is that: the deicing control module is a program module and is also used for obtaining an allocation instruction and allocating according to the allocation instruction.

The further technical proposal is that: and the deicing control module is also used for distributing energy to each deicing unit in turn.

The further technical proposal is that: the deicing control module comprises a controller and a plurality of driving units, wherein the controller is used for controlling each driving unit to work in turn, and each driving unit is used for controlling energy output and providing for a corresponding deicing unit to work.

The further technical proposal is that: the device also comprises a shell, wherein the driving unit is positioned inside the shell, and the shell is used for shielding interference.

The further technical proposal is that: the driving unit is electrically connected with the power supply, and the driving unit is electrically connected with the power supply.

The further technical proposal is that: the remote circuit breaker is electrically connected with the current divider, and the current divider is used for obtaining working data of the deicing unit and sending the working data to the deicing ammeter.

The further technical proposal is that: the driving unit is a relay.

The further technical proposal is that: the controller is used for controlling each relay to conduct in turn and for supplying power to a corresponding deicing unit.

The further technical proposal is that: the relay comprises a first relay and a second relay, the deicing unit comprises a first deicing unit and a second deicing unit, and part of deicing units are one deicing unit of the two deicing units.

The further technical proposal is that: the controller comprises a remote breaker which is respectively connected with each relay.

The further technical proposal is that: the controller comprises a remote breaker, a first deicing control module, a second relay, a first deicing control module, a second deicing control module and a second relay, wherein the remote breaker is used for obtaining a standby instruction when the controller comprises the remote breaker, the remote breaker acts and allows all relays to be electrified, the first relay is conducted after obtaining power supply and is used for supplying power to the first deicing unit, and the second relay is conducted after obtaining power supply and is used for supplying power to the second deicing unit.

The further technical proposal is that: the controller is a singlechip, and the singlechip is respectively connected with each relay.

The further technical proposal is that: the controller is a single chip microcomputer, the second deicing control module is a program module and is used for obtaining an allocation instruction by the single chip microcomputer, sending a first working instruction to the first relay, conducting the first relay after obtaining the first working instruction and supplying power to the first deicing unit, after delaying the first working time by the single chip microcomputer, sending a first pause instruction to the first relay, disconnecting the first relay after obtaining the first pause instruction and supplying power to the first deicing unit, sending a second working instruction to the second relay by the single chip microcomputer, conducting the second relay after obtaining the second working instruction and supplying power to the second deicing unit, and after delaying the second working time by the single chip microcomputer, sending a second pause instruction to the second relay, disconnecting the second relay after obtaining the second pause instruction and supplying power to the second deicing unit.

The further technical proposal is that: the relay further comprises a third relay, the deicing unit further comprises a third deicing unit, and part of the deicing units are one deicing unit of the three deicing units.

The further technical proposal is that: the first deicing control module is also used for conducting the third relay after power supply is obtained and supplying power to the third deicing unit.

The further technical proposal is that: the second deicing control module is further used for sending a third working instruction to the third relay by the singlechip, the third relay is conducted after obtaining the third working instruction and is used for supplying power to the third deicing unit, and after delaying the third working time by the singlechip, the third pause instruction is sent to the third relay, and the third relay is disconnected after obtaining the third pause instruction and is used for powering off the third deicing unit.

The further technical proposal is that: the deicing unit is a deicing sleeve, the deicing sleeve comprises a first deicing sleeve and a second deicing sleeve, the first deicing sleeve is a deicing sleeve arranged on the inner side of the propeller, the second deicing sleeve is a deicing sleeve arranged on the outer side of the propeller, and the two deicing sleeves are used for obtaining power supply through the conductive slip ring.

A deicing control method includes a deicing control step of alternately distributing energy to a part of deicing units among a plurality of deicing units.

A deicing control apparatus comprises a computer-readable storage medium storing a computer program which, when executed by a processor, implements the respective steps described above.

One use includes a deicing unit for reducing energy consumption per unit time by alternately distributing energy to a portion of a plurality of deicing units.

The beneficial effects of adopting above-mentioned technical scheme to produce lie in:

first, a deicing control apparatus includes a deicing control module configured to alternately distribute energy to a portion of a plurality of deicing units. According to the technical scheme, energy sources can be distributed to part of the deicing units in the plurality of deicing units in turn through the deicing control module, so that deicing control is realized.

Second, a deicing control method includes a deicing control step of alternately distributing energy to a part of deicing units among a plurality of deicing units. According to the technical scheme, energy is distributed to part of the deicing units in the plurality of deicing units in turn through the deicing control step, so that deicing control is realized.

Third, one use includes implementing deicing control by alternately distributing energy to a portion of the plurality of deicing units for reducing energy consumption per unit time.

See the description of the detailed description section.

Drawings

FIG. 1 is a schematic block diagram of a deicing control system of the present invention;

FIG. 2 is a schematic block diagram of embodiment 1 of the present invention;

FIG. 3 is a functional block diagram of embodiment 2 of the present invention;

fig. 4 is a schematic block diagram of embodiment 3 of the present invention.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.

Example 1:

as shown in fig. 2, the invention discloses a deicing control apparatus comprising a deicing control module for enabling alternate distribution of energy to two deicing units.

The deicing control module comprises a controller and a driving unit, the controller comprises a remote breaker, the driving unit is a relay, the relay comprises a first relay and a second relay, the deicing unit comprises a first deicing unit and a second deicing unit, the output end of the remote breaker is electrically connected with the first relay, the output end of the remote breaker is electrically connected with the second relay, the controller is used for controlling each driving unit to work in turn, and each driving unit is used for controlling energy output and supplying corresponding deicing unit to work.

The remote circuit breaker, the first relay and the second relay form a first deicing control hardware module, the first deicing control module comprises a first deicing control hardware module, and the first deicing control module is a combination of hardware units.

Description of example 1 use:

the contact 3 of the remote breaker is connected with the breaker through deicing and is grounded, the control end of the first relay is connected with the positive electrode of the power supply through a switch, and the control end of the second relay is connected with the positive electrode of the power supply through a switch.

The first deicing unit and the second deicing unit are heaters, the first relay is electrically connected with the first deicing unit, and the second relay is electrically connected with the second deicing unit.

The remote circuit breaker, the relay, the deicing unit and the switch are not described in detail herein for the purpose of the prior art.

The deicing is pressed to turn on the circuit breaker, the remote circuit breaker obtains a standby instruction, and the remote circuit breaker acts and allows the first relay and the second relay to be electrified.

The corresponding switch of the first relay is pressed down, the first relay is conducted after power is supplied and is used for supplying power to the first deicing unit, the corresponding switch of the second relay is pressed down, and the second relay is conducted after power is supplied and is used for supplying power to the second deicing unit.

By the deicing control module of embodiment 1, it is possible to alternately distribute current to two deicing units.

The deicing unit can be fixedly arranged on the body of the aircraft and is used for reducing current in unit time and improving deicing efficiency. Since the current output by the device of example 1 at one time is a constant value, different time periods are applied to different deicing units, and no significant current is required to simultaneously power two deicing units. Because the two deicing units alternately acquire current and heat, the ice layers in the corresponding areas of the two deicing units are heated unevenly and are more easily broken.

In addition, the deicing unit can be fixedly arranged on the wing or the propeller, and the similar parts are not repeated.

Compared with the embodiment 1, the relay further comprises a third relay, the deicing unit further comprises a third deicing unit, the output end of the remote circuit breaker is electrically connected with the third relay, and the control end of the third relay is connected with the positive electrode of the power supply through a switch. The deicing is pressed to turn on the breaker, the remote breaker obtains a standby instruction, and the remote breaker acts and allows the three relays to be powered on. Through this deicing control module, can distribute the electric current to three deicing units in turn, first relay, second relay and third relay in turn and cyclic conduction promptly for electric current output and corresponding supply first deicing unit, second deicing unit and third deicing unit. The similarities are not described in detail.

Compared with the embodiment 1, the relay further comprises a third relay and a fourth relay, the deicing unit further comprises a third deicing unit and a fourth deicing unit, the output end of the remote circuit breaker is electrically connected with the third relay, the output end of the remote circuit breaker is electrically connected with the fourth relay, the control end of the third relay is connected with the power supply positive electrode through a switch, and the control end of the fourth relay is connected with the power supply positive electrode through a switch. The corresponding switches of the first relay and the second relay are pressed down, so that the first relay and the second relay work in a first time period, the corresponding switches of the third relay and the fourth relay are pressed down, so that the third relay and the fourth relay work in a second time period, and two relays are respectively conducted in different time periods.

Example 2:

embodiment 2 differs from embodiment 1 in that it further includes a housing, a diode, and a shunt.

As shown in fig. 3, the invention discloses a deicing control apparatus comprising a deicing control module for enabling alternate distribution of energy to two deicing units.

The deicing control module comprises a shell and a controller, a driving unit, a diode and a shunt which are fixed in the shell, wherein the shell is used for shielding interference, the controller comprises a remote breaker, the driving unit is a relay, the remote breaker, the relay, the diode and the shunt are all located in the shell, the diode is used for protecting the driving unit, the shunt is used for obtaining working data of the deicing unit and sending the working data to the deicing ammeter, the controller is used for controlling each driving unit to work in turn, and each driving unit is used for controlling energy output and supplying corresponding one deicing unit to work.

The relay includes first relay and second relay, and deicing unit includes first deicing unit and second deicing unit, and the diode includes first diode and second diode, and remote circuit breaker's output is connected with first relay electricity, and remote circuit breaker's output is connected with second relay electricity, and remote circuit breaker is connected with the shunt electricity, and first diode electricity is connected between first input and the second input of first relay, and second diode electricity is connected between first input and the second input of second relay.

The remote circuit breaker, the first relay, the second relay, the first diode, the second diode and the current divider form a second deicing control hardware module, the first deicing control module comprises a second deicing control hardware module, and the first deicing control module is a combination of hardware units.

Description of example 2 use:

as shown in fig. 1, the deicing control apparatus, the deicing ammeter 18, the deicing manual mode switch 19, the deicing automatic mode switch 20, the deicing-on breaker 21, the deicing control breaker 22, the deicing timer 23, the first deicing brush 24, and the second deicing brush 25 of embodiment 2 are connected to form a deicing control system.

As shown in fig. 1, the deicing control apparatus includes: the remote breaker 1, the shunt 2, the first relay 3 for controlling the inner deicing sleeve, the second relay 4 for controlling the outer deicing sleeve, the first diode 5, the second diode 6, the connector 7, the power terminal 8, the first copper bar 16 and the second copper bar 17.

As shown in fig. 1, the propeller deicing control system further includes: a deicing ammeter 18, a deicing manual mode switch 19, a deicing automatic mode switch 20, a deicing-on breaker 21, a deicing control breaker 22, a deicing timer 23, a first deicing brush 24, and a second deicing brush 25.

As shown in fig. 1, the positive electrode of the first power supply is electrically connected to the deicing ammeter 18, the positive electrode of the first power supply is electrically connected to the contact 5 of the deicing automatic mode switch 20, the contact 4 of the deicing automatic mode switch 20 is electrically connected to the contact 2, the contact 1 of the deicing automatic mode switch 20 is electrically connected to the contact 2 of the deicing manual mode switch 19, the contact 3 of the deicing automatic mode switch 20 is electrically connected to the contact 2 of the deicing timer 23, and the contact 6 of the deicing automatic mode switch 20 is electrically connected to the contact 3 of the deicing timer 23.

As shown in fig. 1, the positive pole of the second power supply is electrically connected to the first input terminal of the remote breaker 1, the second input terminal of the remote breaker 1 is electrically connected to the ground via the deicing switch-on breaker 21, the first output terminal of the remote breaker 1 is electrically connected to the deicing ammeter 18 via the shunt 2, the first output terminal of the remote breaker 1 is electrically connected to the chip select terminal of the first relay 3 via the shunt 2, the first output terminal of the remote breaker 1 is electrically connected to the chip select terminal of the second relay 4 via the shunt 2, the first output terminal of the remote breaker 1 is electrically connected to the contact 5 of the deicing timer 23 via the shunt 2, the second output terminal of the remote breaker 1 is electrically connected to the first input terminal of the first relay 3, and the second output terminal of the remote breaker 1 is electrically connected to the second input terminal of the second relay 4.

As shown in fig. 1, the contact 3 of the deicing manual mode switch 19 is electrically connected to the second input terminal of the first relay 3, and the contact 1 of the deicing manual mode switch 19 is electrically connected to the first input terminal of the second relay 4. The first diode 5 is electrically connected between the first input terminal and the second input terminal of the first relay 3, the second diode 6 is electrically connected between the first input terminal and the second input terminal of the second relay 4, the first input terminal of the first relay 3 is grounded, and the second input terminal of the second relay 4 is grounded.

As shown in fig. 1, the output terminal of the first relay 3 is electrically connected to the intermediate contact B of the first deicing brush 24, the output terminal of the first relay 3 is electrically connected to the intermediate contact B of the second deicing brush 25, and the output terminal of the first relay 3 is electrically connected to the input terminal contact 6 of the deicing timer 23.

As shown in fig. 1, the output end of the second relay 4 is electrically connected to the outer contact a of the first deicing brush 24, the output end of the second relay 4 is electrically connected to the outer contact a of the second deicing brush 25, and the output end of the second relay 4 is electrically connected to the input terminal point 4 of the deicing timer 23.

The deicing sleeve comprises a first deicing sleeve and a second deicing sleeve, the first deicing sleeve is a deicing sleeve fixed on the inner side of the propeller, the second deicing sleeve is a deicing sleeve fixed on the outer side of the propeller, the first deicing sleeve is connected with the conductive slip ring, and the second deicing sleeve is connected with the conductive slip ring.

The method of deicing control is described in the working process below.

Example 3:

as shown in fig. 4, the invention discloses a deicing control apparatus comprising a deicing control module for enabling alternate distribution of energy to two deicing units.

The deicing control module comprises a controller and driving units, wherein the driving units are relays, the relays comprise a first relay and a second relay, the deicing units comprise a first deicing unit and a second deicing unit, the controller is a single-chip microcomputer, the single-chip microcomputer is respectively and independently electrically connected with each relay through an adaptation unit, the single-chip microcomputer is used for controlling each driving unit to work in turn, and each driving unit is used for controlling current output and supplying a corresponding deicing unit to work.

The single chip microcomputer, the first relay and the second relay form a third deicing control hardware module, the first deicing control module comprises the third deicing control hardware module, and the first deicing control module is a combination of hardware units.

The singlechip, the relay and the deicing unit are and corresponding communication connection technology is not described in detail in the prior art.

Example 3 description of use:

the singlechip is operated with a second deicing control module which is a program module.

The single chip microcomputer obtains an allocation instruction, the first working instruction is sent to the first relay, the first relay is conducted after obtaining the first working instruction and is used for supplying power to the first deicing unit, the first pause instruction is sent to the first relay after delaying the first working time, the first relay is disconnected after obtaining the first pause instruction and is used for powering off the first deicing unit, the single chip microcomputer sends the second working instruction to the second relay, the second relay is conducted after obtaining the second working instruction and is used for supplying power to the second deicing unit, the second pause instruction is sent to the second relay after delaying the second working time, and the second relay is disconnected after obtaining the second pause instruction and is used for powering off the second deicing unit.

Example 4:

the invention discloses a deicing control device, which is based on the device of embodiment 1, and further comprises a first deicing control program module, wherein the first deicing control program module is used for obtaining a standby instruction by a remote circuit breaker, enabling the remote circuit breaker to act and allowing a first relay and a second relay to electrify, enabling the first relay to conduct after obtaining power supply and to supply power to a first deicing unit, and enabling the second relay to conduct after obtaining power supply and to supply power to a second deicing unit.

The second deicing control module comprises a first deicing control program module, and the second deicing control module is a program module.

The working efficiency is further improved by the method steps of the first deicing control program module.

Example 5:

the invention discloses a deicing control device based on the device of embodiment 3, and further comprises a second deicing control program module, wherein the second deicing control program module is used for acquiring an allocation instruction by a singlechip, sending a first working instruction to a first relay, conducting the first relay after acquiring the first working instruction and supplying power to a first deicing unit, delaying the first working time by the singlechip, sending a first pause instruction to the first relay, disconnecting the first relay after acquiring the first pause instruction and supplying power to the first deicing unit, sending a second working instruction to a second relay by the singlechip, conducting the second relay after acquiring the second working instruction and supplying power to the second deicing unit, delaying the second working time by the singlechip, and sending a second pause instruction to the second relay, disconnecting the second relay after acquiring the second pause instruction and supplying power to the second deicing unit.

The second deicing control module comprises a second deicing control program module, and the second deicing control module is a program module.

The working efficiency is further improved by the method steps of the second deicing control program module.

Example 6:

the invention discloses a deicing control method, which is based on the device of the embodiment 1 and comprises the following steps: the current is alternately distributed to the two deicing units. The specific division comprises the following steps:

connecting matched control equipment:

Deicing step:

Example 7:

the invention discloses a deicing control method, which is based on the device of the embodiment 2 and comprises the following steps: the current is alternately distributed to the two deicing units. The specific division comprises the following steps:

connecting matched control equipment:

The deicing step includes the steps of manual deicing and automatic deicing:

manual deicing step:

the deicing-on breaker 21 is informed of being pressed down and turned on, forms a standby instruction and transmits the standby instruction to the remote breaker 1, and the remote breaker obtains the standby instruction informed by the deicing-on breaker 21, and the remote breaker acts and allows the first relay 3 and the second relay 4 to be powered on.

The deicing control circuit breaker 22 is informed of being pressed down and turned on, forms a start command and sends the start command to the deicing ammeter 18 and the deicing automatic mode switch 20, respectively, and the deicing ammeter 18 and the deicing automatic mode switch 20 obtain the start command and power up.

The deicing manual mode switch 19 is informed of being shifted to the first side and conducting power, forms a first working order and sends the first working order to the first relay 3, and the first relay 3 is conducted after obtaining the first working order and is used for supplying power to the first deicing unit.

The deicing manual mode switch 19 is informed of being shifted to the second side and conducting power supply, a second working instruction is formed and sent to the second relay 4, the second relay 4 is conducted after obtaining the second working instruction and used for supplying power to the second deicing unit, meanwhile, the first relay 3 is disconnected, and the first deicing unit is powered off.

Automatically deicing:

the deicing automatic mode switch 20 is informed of being shifted to the first side and conducting power supply, a first power frequency instruction is formed and sent to the deicing timer 23, and the deicing timer 23 controls the first deicing unit and the second deicing unit to alternately power up according to the first power frequency after obtaining the first power frequency instruction. The first power frequency corresponds to an alternating frequency of the fast alternating pattern.

The deicing automatic mode switch 20 is informed of being shifted to the second side and is turned on to supply power, a second power frequency instruction is formed and sent to the deicing timer 23, and the deicing timer 23 controls the first deicing unit and the second deicing unit to alternately power up according to the second power frequency after obtaining the second power frequency instruction. The second power frequency corresponds to the alternating frequency of the slow alternating mode.

Example 8:

the invention discloses a deicing control apparatus comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor implementing the steps of embodiment 7 when executing the computer program.

Example 9:

the present invention discloses a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of embodiment 9.

Example 10:

the invention discloses a purpose, which comprises the steps of distributing current to one deicing unit in two deicing units in turn, so as to reduce power consumption in unit time and improve deicing efficiency.

With respect to embodiment 10, the use includes that by alternately distributing the current to one of the three deicing units, i.e., the first driving unit, the second driving unit, and the third driving unit, which are alternately and cyclically turned on in turn, the current is output and correspondingly supplied to the first deicing unit, the second deicing unit, and the third deicing unit, for reducing the power consumption per unit time and improving the deicing efficiency.

Compared with the above embodiment, the program modules may be hardware modules made by using the existing logic operation technology, so as to implement the corresponding logic operation steps, communication steps and control steps, and further implement the corresponding steps, where the logic operation unit is not described in detail in the prior art.

For the above-mentioned embodiment, the driving unit may also be an electromagnetic valve, the electromagnetic valve includes a first electromagnetic valve and a second electromagnetic valve, the deicing unit is a unit for pneumatic deicing, the deicing unit includes a first deicing unit and a second deicing unit, the output end of the single-chip microcomputer is electrically connected with the first electromagnetic valve, the output end of the single-chip microcomputer is electrically connected with the second electromagnetic valve, the single-chip microcomputer is used for controlling each driving unit to work in turn, each driving unit is used for controlling airflow output and providing for a corresponding deicing unit to work, namely controlling vacuum state and pressure to output alternately. The singlechip, the electromagnetic valve and the pneumatic deicing unit are omitted from description of the corresponding communication connection technology in the prior art.

Compared with the embodiment, the driving unit can also be a pneumatic valve, the electromagnetic valve comprises a first pneumatic valve and a second pneumatic valve, the deicing unit is a unit for pneumatic deicing, the deicing unit comprises a first deicing unit and a second deicing unit, the output end of the single chip microcomputer is electrically connected with the first pneumatic valve, the output end of the single chip microcomputer is electrically connected with the second pneumatic valve, the single chip microcomputer is used for controlling each driving unit to work in turn, and each driving unit is used for controlling airflow output and providing for a corresponding deicing unit to work, namely controlling vacuum state and pressure to output alternately. The singlechip, the pneumatic valve and the pneumatic deicing unit are omitted from description of the corresponding communication connection technology in the prior art.

The project technology research and development process comprises the following steps:

in the design of a propeller deicing system of a general aircraft, each propeller blade is provided with an electric heating element protecting sleeve attached to the front edge of the propeller blade, and each protecting sleeve is divided into two heating elements, namely an inner side and an outer side, so that the deicing mode of the blade is divided into the inner side and the outer side, and if the power consumption for deicing is high, if a circuit breaker directly controls the power supply for deicing the inner side and deicing the outer side of the blade, long-distance heavy current wires are required to be laid, the risk of electromagnetic interference is increased, and the working time for deicing the inner side and deicing the outer side cannot be effectively controlled. Therefore, it is necessary to design a propeller deicing control box capable of controlling the orderly operation of inboard deicing and outboard deicing of the blade and protecting the deicing system.

Development purposes:

the general aircraft is additionally provided with a propeller deicing device, each propeller blade is provided with an electric heating element protecting sleeve attached to the front edge of the propeller blade, the length of the electric heating element protecting sleeve is about 1/3 of the length of the inner side of the blade, and each protecting sleeve is divided into two heating elements, namely an inner side and an outer side; the back of the propeller hub baffle plate is provided with an electric conduction slip ring with three copper tracks. The outer ring provides electric energy for the outer protective sleeve, the middle ring provides electric energy for the inner protective sleeve, and the inner ring provides a grounding loop for the two groups of protective sleeves. The power and the ground are provided to the conductive slip ring through two brushes, one on each side of the front of the engine. These brushes have spring-loaded contacts that are on the slip ring and transmit power to the slip ring.

Because the power consumption of the blade deicing sleeve is larger, the deicing sleeve and the deicing sleeve on the outer side of the blade can orderly work for controlling, deicing system equipment is protected, laying of heavy current wires is reduced, electromagnetic interference is reduced, and the system of the research and development project provides a propeller deicing control box which is higher in reliability and safety and easy to maintain.

The technical scheme of the project research and development is as follows: the propeller deicing control box comprises a shell, binding posts and connectors on the shell, copper bars, a relay in the shell, a shunt, a diode and a remote control circuit breaker.

The shell consists of an aluminum material and a phenolic aldehyde laminated cloth plate, wherein the surface of the aluminum material is provided with an antioxidation coating, and the aluminum shell has a good shielding prevention effect; the phenolic laminated cloth board is made of non-conductive insulating material.

The binding post is a metal cylinder, is provided with external threads and is provided with corresponding nuts, and part of the binding post is connected by copper bars in the shell. The binding post and connector are disposed on the outside of the phenolic plate housing.

The current divider is used for measuring the current of the blade deicing sleeve during operation.

The two relays are normally open type relays, and the inner deicing sleeve or the outer deicing sleeve on the propeller blade is controlled to work respectively.

The two diodes are respectively connected in parallel between the pins of the relay coil to prevent voltage and current mutation and provide a release reverse current path for the relay inductance coil.

The rated current of the remote breaker is 70A, overvoltage protection is provided for the deicing control box, the deicing on-circuit breaker in the cockpit is used for controlling the deicing on-circuit breaker, and the working current of the deicing on-circuit breaker is 0.5A, so that the situation that a large-current wire is paved in the cockpit is avoided.

The technical scheme is as follows:

as shown in figure 1, the invention is a working principle block diagram of a propeller deicing control box connected to a propeller deicing system of a certain type of airplane. In the drawings, the propeller deicing control box includes: 1-remote circuit breaker, 2-shunt, 3-relay 1, 4-relay 2, 5-diode 1, 6-diode 2, 7-connector, 8-terminal POWER, 9-terminal BB 1C, 10-terminal BB 1B, 11-terminal BB 1, 12-terminal BB 3, 13-terminal BB2, 14-terminal BB2B, 15-terminal BB 2C, 16-copper bar 1, 17-copper bar 2.

The propeller deicing control system further comprises: 18-deicing ammeter, 19-deicing manual mode switch, 20-deicing automatic mode switch, 21-deicing on-off circuit breaker, 22-deicing control circuit breaker, 23-deicing timer, 24-deicing brush 1, 25-deicing brush 2.

Wherein, the 3-relay 1, namely the first relay, is responsible for controlling the deicing sleeve at the inner side; 4-relay 2, namely a second relay, responsible for controlling the outer deicing sleeve; a 5-diode 1, i.e. a first diode; a 6-diode 2, i.e. a second diode; 16-copper bar 1, i.e. the first copper bar; 17-copper bar 2, i.e. the second copper bar.

The 19-deicing manual mode switch, namely the selection switch, is a three-position switch and comprises an inner side state, a closing state and an outer side state; the 20-deicing automatic mode switch is a three-position switch and comprises three states of fast speed, slow speed and closing; 21-deicing to turn on the breaker, and working current is 0.5A; 22-deicing control breaker, working current 2A; 24-deicing brush 1, i.e. the first deicing brush; 25-deicing brush 2, i.e. the second deicing brush.

Description of the connection relation of the parts:

as shown in figure 1, the system is a functional block diagram of a propeller deicing control box connected to a propeller deicing system of a certain airplane. In this embodiment, the housing of the propeller deicing control box is composed of an aluminum material and a phenolic laminated cloth plate, 8-binding post, 9-binding post, 10-binding post, 11-binding post, 12-binding post, 13-binding post, 14-binding post, 15-binding post 15, 16-copper bar, 17-copper bar and 7-connector are arranged on the phenolic laminated cloth plate, binding posts are metal columns with external threads and 8mm diameter, eight binding posts are total, copper bars are arranged on the inner side of the housing, and 16-copper bars are connected with

binding posts

9, 10 and 11, and 17-copper bars are connected with

binding posts

13, 14 and 15; the 1-remote circuit breaker, 2-shunt, 3-relay 3, 4-relay, 5-diode, 6-diode and 7-connector are mature shelf products, and the pilot can control the orderly operation of the deicing jackets on the inner and outer sides of the blades by controlling the deicing switch through the cable connection.

The working process is described as follows:

during normal operation, the pilot turns on the 22-deicing control breaker and pins 1 and 5 of the 18-deicing ammeter turn on the power supply, and the deicing ammeter is powered on. The pilot turns on a 21-deicing turn-on circuit breaker, an 8-binding post POWER of a deicing control box is connected with an onboard POWER supply, A1-remote control circuit breaker is turned on by the 21-deicing turn-on circuit breaker, a contact 3 in the 1-remote control circuit breaker is grounded, a contact A1 and a contact A2 are turned on, current passes through A2-shunt, a current value of the deicing sleeve in operation is transmitted to an 18-deicing ammeter by cables at two ends of the shunt through a pin 2 and a pin 3 of a 7-connector, and the deicing ammeter monitors working current of the deicing sleeve at any time, so that normal working current is 47A-54A. After the current flows through the shunt, the current is transmitted to a 12-terminal BB 3 through a cable, and the terminal BB 3 is connected with a pin 5 of the deicing timer to supply power to the deicing timer. The pilot puts the 19-deicing manual mode switch in the inboard position, i.e. contact 2 connects contact 3, the pilot puts the 20-deicing automatic mode switch in the off position, i.e. contact 2 connects contact 1, contact 5 connects contact 4, coil contacts X1 and X2 of the 3-relay responsible for the inboard deicing sleeve in the deicing control box are turned on via pin 4 of the 7-connector, contact A2 is engaged with connection A1, on-board power is supplied to 16-copper bar, 9-terminal BB 1C is connected to intermediate contact B of 25-deicing brush 2, 10-terminal BB 1B is connected to intermediate contact B of 24-deicing brush 1, and the brush contacts transfer electrical energy from the deicing control box to the intermediate slip ring by contacting the intermediate slip ring, thereby controlling the inboard deicing sleeve of the blade to operate.

The pilot puts the 19-deicing manual mode switch in the outer position, namely contact 2 is connected with contact 1, the pilot puts the 20-deicing automatic mode switch in the closed position, namely contact 2 is connected with contact 1, contact 5 is connected with contact 4, coil contacts X1 and X2 of a 4-relay responsible for an outer deicing sleeve in a deicing control box are communicated through pins 5 of a 7-connector, contact A2 is connected with A1 in an attracting mode, on-board power is supplied to 17-copper bars, 15-binding post BB 2C is connected with outer contact A of 25-deicing brush 2, 14-binding post BB 2B is connected with outer contact A of 24-deicing brush 1, and electric brush contacts transmit electric energy from the deicing control box to the outer slip ring through contact with the outer slip ring, so that the outer deicing sleeve of the blade is controlled to work.

The working mode of deicing the inner side or the outer side of the propeller blade is manually selected.

The following is an automatic deicing mode in which the inboard deicing and the outboard deicing of the propeller blades alternately operate.

The pilot sets the 19-deicing manual mode switch in the closed position, i.e. contact 2 is not connected with contact 1 and contact 3, the pilot sets the 20-deicing automatic mode switch in the fast position, i.e. contact 2 is connected with contact 3, contact 5 is connected with contact 6, pin 2 and pin 3 of the 23-deicing timer are connected, through calculation of the deicing timer, in the fast mode, the timer is responsible for starting the inner deicing sleeve for 45s, pin 6 of the timer is connected with 11-binding post BB 1, electric energy is supplied to 16-copper bar, copper bar supplies electric energy to 9-binding post BB 1C and 10-binding post BB 1B, 9-binding post BB 1C is connected with intermediate contact B of 25-deicing brush 2, 10-binding post BB 1B is connected with intermediate contact B of 24-deicing brush 1, and the brush contacts transmit electric energy from the deicing control box to the intermediate slip ring by contacting the intermediate slip ring, thereby controlling operation of the inner deicing sleeve of the blade for 45s. Then the outer deicing sleeve is restarted for 45s, pin 4 of the timer is connected with 13-binding post BB 2, electric energy is supplied to 17-copper bars, the copper bars supply electric energy to 15-binding post BB 2C and 14-binding post BB 2B, 15-binding post BB 2C is connected with outer contact A of 25-deicing brush 2, 14-binding post BB 2B is connected with outer contact A of 24-deicing brush 1, and the brush contact transmits electric energy to the outer slip ring from the deicing control box through contact with the outer slip ring, so that the blade outer deicing sleeve is controlled to work for 45s. And finally, the inner deicing sleeve and the outer deicing sleeve are closed for 90 seconds at the same time.

The pilot sets the 19-deicing manual mode switch in the closed position, i.e. contact 2 is not connected to contact 1 and contact 3, the pilot sets the 20-deicing automatic mode switch in the slow position, i.e. contact 2 is connected to contact 3, contact 5 is connected to contact 4, pin 2 of the 23-deicing timer is turned on, and after calculation of the deicing timer, in the slow mode, the inner deicing sleeve is started for 90s, then the outer deicing sleeve is started for 90s again, and the timer switches between the inner deicing sleeve and the outer deicing sleeve every 90 s.

In addition, according to the actual need of deicing system, can carry out the suitability repacking to deicing control box, to a greater extent, reduce the manufacturing cost of aircraft. The set of control system can also be modified according to the propellers of different types, meets the use requirements of the propellers of different types, and has good popularization value. The invention is applied to a general aircraft with a replaceable turboprop engine and achieves good effect.

The concept of the present application:

the present state of the art in this technical field is obtained by a writer through searching, and the invention point of this project is obtained after the writer is fully in technical communication with the inventor, as described in detail below.

In the prior art, most of control devices for deicing adopt intermittent output of control energy to a deicing unit to realize deicing control. For example: the authorized bulletin number is CN1012427B, which is named as a deicer control system. The vacuum and pressure are alternately applied to the deicing units by a simplified means, which units can be operated with very little compressed air, irrespective of the pressure.

The inventive concept of the present application is:

first, energy is alternately distributed to a part of the plurality of deicing units.

Second, the deicing device is used for reducing the current in unit time and improving deicing efficiency.

The distinguishing points are explained as follows:

in the prior art, the controller controls the driver to intermittently output energy, for example, pulse current, vacuum state and pressure are alternately output, and the output energy can be energy in the form of voltage, current or air pressure state.

In the technical conception of the application, the energy output is not abrupt, is not output for a while, and compared with the prior art, the energy output of the technical scheme is stable or slightly less variable, and the output energy is distributed to partial deicing units in a plurality of deicing units in turn according to time flow, so that the current in unit time is reduced, and the deicing efficiency is improved.

The energy output device in the application can be a constant current source or not. Unlike state outputs of the art that are cliff-like or significantly different.

After the application is run for a period of time internally, the feedback of field technicians is beneficial in that:

according to the deicing control box, the two relays can control manual switching between the deicing sleeve on the inner side of the blade and the deicing sleeve on the outer side of the blade, the current divider provides current degrees for the deicing ammeter, whether the deicing system works normally or not is monitored at any time, the remote circuit breaker provides overvoltage protection for the deicing control box, the deicing switch-on circuit breaker in the cockpit is used for controlling, and the working current of the deicing switch-on circuit breaker is 0.5A. The design of the deicing control box reduces the laying of high-current wires on one hand and reduces electromagnetic interference, on the other hand, the deicing control box can protect a deicing system and is easy to maintain, and maintainability and reliability of the aircraft propeller deicing system are improved. The relay, the shunt, the diode, the remote breaker, the connector and the like selected by the deicing control box are all mature goods shelf products, and the deicing control box is convenient to purchase. Meanwhile, the deicing control box can be adapted according to deicing requirements, so that the production cost of the aircraft is reduced to a certain extent.

At present, the technical scheme of the invention has been subjected to pilot-scale test, namely, smaller-scale test of products before large-scale mass production; after the pilot test is completed, the use investigation of the user is performed in a small range, and the investigation result shows that the user satisfaction is higher; now, the preparation of the formal production of the product for industrialization (including intellectual property risk early warning investigation) is started.

Claims

1. A deicing control device, characterized in that: the deicing control module is used for distributing energy to partial deicing units in the plurality of deicing units in turn.

2. Deicing control apparatus as claimed in claim 1, characterized in that: the deicing control module is a program module and is also used for obtaining an allocation instruction and allocating according to the allocation instruction.

3. Deicing control apparatus as claimed in claim 1, characterized in that: the deicing control module is also used for distributing energy to each deicing unit in turn; the deicing control module comprises a controller and a plurality of driving units, wherein the controller is used for controlling each driving unit to work in turn, and each driving unit is used for controlling energy output and providing for a corresponding deicing unit to work.

4. A deicing control apparatus as set forth in claim 3, wherein: the driving unit is positioned in the shell, and the shell is used for shielding interference; the driving unit is electrically connected with the power supply unit, and the driving unit is electrically connected with the power supply unit; the remote circuit breaker is electrically connected with the current divider, and the current divider is used for obtaining working data of the deicing unit and sending the working data to the deicing ammeter; the driving unit is a relay; the controller is used for controlling each relay to conduct in turn and for supplying power to a corresponding deicing unit.

5. A deicing control apparatus as set forth in claim 3, wherein: also comprises a first deicing control module or a second deicing control module,

the driving unit comprises a first relay and a second relay, the deicing unit comprises a first deicing unit and a second deicing unit, and part of deicing units are one deicing unit of the two deicing units;

the controller comprises a remote breaker which is respectively connected with each relay; or the controller is a singlechip which is respectively connected with each relay;

when the controller comprises a remote breaker, the first deicing control module is used for the remote breaker to obtain a standby instruction, the remote breaker acts and allows all relays to be electrified, the first relay is conducted after power is obtained and is used for supplying power to the first deicing unit, and the second relay is conducted after power is obtained and is used for supplying power to the second deicing unit;

when the controller is a singlechip, the second deicing control module is a program module and is used for acquiring an allocation instruction by the singlechip, sending a first working instruction to the first relay, conducting the first relay after acquiring the first working instruction and supplying power to the first deicing unit, after delaying the first working time by the singlechip, sending a first pause instruction to the first relay, disconnecting the first relay after acquiring the first pause instruction and supplying power to the first deicing unit, sending a second working instruction to the second relay by the singlechip, conducting the second relay after acquiring the second working instruction and supplying power to the second deicing unit, and sending a second pause instruction to the second relay after delaying the second working time by the singlechip, disconnecting the second relay after acquiring the second pause instruction and supplying power to the second deicing unit.

6. Deicing control apparatus in accordance with claim 5, characterized in that: the relay further comprises a third relay, the deicing unit further comprises a third deicing unit, and part of the deicing units are one deicing unit of the three deicing units; the first deicing control module is also used for conducting the third relay after power supply is obtained and supplying power to the third deicing unit; the second deicing control module is further used for sending a third working instruction to the third relay by the singlechip, the third relay is conducted after obtaining the third working instruction and is used for supplying power to the third deicing unit, and after delaying the third working time by the singlechip, the third pause instruction is sent to the third relay, and the third relay is disconnected after obtaining the third pause instruction and is used for powering off the third deicing unit.

7. Deicing control apparatus as claimed in claim 1, characterized in that: the deicing unit is a deicing sleeve, the deicing sleeve comprises a first deicing sleeve and a second deicing sleeve, the first deicing sleeve is a deicing sleeve arranged on the inner side of the propeller, the second deicing sleeve is a deicing sleeve arranged on the outer side of the propeller, and the two deicing sleeves are used for obtaining power supply through the conductive slip ring.

8. A deicing control method, characterized in that: the method comprises a deicing control step, wherein energy is distributed to part of deicing units in the plurality of deicing units in turn.

9. A deicing control apparatus comprising a computer-readable storage medium having a computer program stored therein, characterized in that: the computer program realizes the corresponding steps in claim 8 when executed by a processor.

10. A use, characterized in that: the deicing unit comprises a plurality of deicing units, wherein the deicing units are used for reducing energy consumption in unit time by distributing energy to part of the plurality of deicing units in turn.