CN219237371U

CN219237371U - Split type main blade deicing power distribution device

Info

Publication number: CN219237371U
Application number: CN202223600845.3U
Authority: CN
Inventors: 张宗哲; 陈卓; 王俊; 吴诗量
Original assignee: Wuhan Aviation Instrument Co Ltd
Current assignee: Wuhan Aviation Instrument Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-23
Anticipated expiration: 2032-12-29

Abstract

The utility model belongs to the technical field of electronic circuits, and relates to a split main blade deicing power distribution device. The power distribution system comprises a control module and a power distribution module; the control module completes the output of the blade partition control signal and the deicing power supply distribution and generates a feedback signal; the power distribution module receives the blade partition control signal and the deicing power supply, and realizes heating control of the main blade. The utility model is characterized in that a split layout is adopted to replace an integrated main blade deicing power distribution device. Each module has single function, strong current and weak current are separated, and a design with high integration level such as a circuit board can be adopted; the single module has small volume and light weight, the product is easy to install, and the assembly can be realized by a single person, so that manpower and material resources are reduced; the functions of the modules are independent, the interfaces are consistent, the modules are changed along with the damage, and the maintainability of the product is improved.

Description

Split type main blade deicing power distribution device

Technical Field

The utility model belongs to the technical field of electronic circuits, and relates to a split main blade deicing power distribution device.

Background

How to replace the main blade deicing distribution device, namely how to replace the main blade deicing distribution device of the helicopter rapidly and efficiently, is a key technology for improving maintainability and guaranteeing performance of an ice control system. The current main blade deicing power distribution device has the problems of heavy weight, large volume, compact installation position, difficult device replacement, long maintenance time and the like, so that the development of the split main blade deicing power distribution device is necessary.

Disclosure of Invention

The purpose of the utility model is that: a split main blade deicing power distribution device is provided.

Technical proposal

A split main blade deicing power distribution device comprises a control module and a power distribution module; the control module completes the output of the blade partition control signal and the deicing power supply distribution and generates a feedback signal; the power distribution module receives the blade partition control signal and the deicing power supply, and realizes heating control of the main blade.

The control module comprises a sequence signal generation circuit, a feedback signal circuit and an AC/DC power supply circuit; the sequence signal generating circuit receives the sequence control signal from the main propeller collecting ring assembly, generates a blade partition control signal and outputs the blade partition control signal to the power distribution module; the feedback signal circuit detects the partition working state of the sequential signal generating circuit, generates a feedback signal and outputs the feedback signal to the main propeller collector ring assembly; and the AC/DC power supply circuit receives the main paddle deicing AC power supply, converts the main paddle deicing AC power supply into a DC power supply suitable for the circuit, supplies power for the sequential signal generating circuit and the feedback signal circuit, and outputs the power to the power distribution module for supplying power.

The power distribution module comprises a zero-crossing trigger circuit and a bidirectional thyristor; the zero-crossing trigger circuit receives the blade partition control signal and triggers the bidirectional thyristor; the bidirectional thyristor controls the deicing power supply to be turned on and off, so that the blade partition heating control of the main blade is realized.

The number of the power distribution modules is a plurality of, and the number of the power distribution modules can be changed along with the requirements of the helicopter.

The control module receives the sequence control signals from the main blade collecting ring assembly and completes the output of the conventional blade partition control signals; generating a feedback signal and transmitting the feedback signal to the main propeller collecting ring assembly; and receiving a main blade deicing power supply from the main blade collector ring assembly, and outputting the deicing power supply to the power distribution module.

And the power distribution module receives the blade partition control signals and the deicing power supply transmitted by the control module, and switches on/off the main blade heating switch to realize heating control of the main blade heating assembly.

The split type main blade deicing power distribution device is characterized in that: the control module and the power distribution module are connected through weather-proof electric connectors and cables, and the modules are replaced quickly.

The split type main blade deicing power distribution device is characterized in that: the blade zone control signal is a ground signal.

Technical effects

The utility model is characterized in that a split layout is adopted to replace an integrated main blade deicing power distribution device. Each module has single function, strong current and weak current are separated, and a design with high integration level such as a circuit board can be adopted; the single module has small volume and light weight, the product is easy to install, and the assembly can be realized by a single person, so that manpower and material resources are reduced; each module has independent functions, the interfaces are consistent, and the modules are replaced along with the damage, so that the maintainability of the product is improved; the modularized design greatly improves the design efficiency of similar products, realizes the physical isolation of each functional module, and provides an improved platform for the subsequent upgrading of the products.

Drawings

FIG. 1 is a functional block diagram of a split main blade de-icing power distribution assembly;

FIG. 2 is a diagram of a control module receiving sequential control signals from a main rotor slip ring assembly;

fig. 3 is a control logic diagram of a power distribution module.

Detailed Description

The utility model is further described below with reference to examples. The following description is of some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, a split main blade deicing power distribution device comprises a control module and a power distribution module; the control module completes the output of the conventional blade partition control signal and the deicing power supply distribution, and generates a feedback signal; the power distribution module receives the blade partition control signal and the deicing power supply, and realizes heating control of the main blade.

As shown in fig. 1, a typical helicopter main blade de-icing power distribution arrangement is depicted, comprising 1 control module and 5 power distribution modules.

As shown in fig. 1, the control module and the power distribution module are connected using weather-resistant electrical connectors and cables.

As shown in fig. 2, the control module receives the sequential control signals from the main blade collector assembly and completes the output of the conventional blade zone control signals; generating a feedback signal and transmitting the feedback signal to the main propeller collecting ring assembly; and receiving a main blade deicing power supply from the main blade collector ring assembly, and outputting the deicing power supply to the power distribution module.

As shown in fig. 3, the power distribution module receives blade partition control signals and deicing power transmitted by the control module through the weather-proof electric connector and the cable, and turns on/off the main blade heating switch to realize heating control of the main blade heating assembly.

The split main blade deicing distribution device is matched with the lifting machine part and the main blade collecting ring assembly, and controls each partition of the blade heating assembly to be electrified and heated according to a certain sequence for deicing the main blade of the helicopter.

The blade zone control signal is a ground signal.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims

1. The split main blade deicing power distribution device is characterized by comprising a control module and a power distribution module; the control module completes the output of the blade partition control signal and the deicing power supply distribution and generates a feedback signal; the power distribution module receives the blade partition control signal and the deicing power supply to realize heating control of the main blade;

the control module comprises a sequence signal generation circuit, a feedback signal circuit and an AC/DC power supply circuit; the sequence signal generating circuit receives the sequence control signal from the main propeller collecting ring assembly, generates a blade partition control signal and outputs the blade partition control signal to the power distribution module; the feedback signal circuit detects the partition working state of the sequential signal generating circuit, generates a feedback signal and outputs the feedback signal to the main propeller collector ring assembly; the AC/DC power supply circuit receives the main paddle deicing AC power supply, converts the main paddle deicing AC power supply into a DC power supply suitable for the circuit, supplies power for the sequential signal generating circuit and the feedback signal circuit, and outputs the power to the power distribution module for supplying power;

2. A split primary blade de-icing power distribution assembly as claimed in claim 1 wherein the number of power distribution modules is a number which varies with helicopter demand.

3. A split primary blade de-icing power distribution assembly as claimed in claim 1 wherein the control module receives sequential control signals from the primary blade slip ring assembly and performs the output of conventional blade zone control signals; generating a feedback signal and transmitting the feedback signal to the main propeller collecting ring assembly; and receiving a main blade deicing power supply from the main blade collector ring assembly, and outputting the deicing power supply to the power distribution module.

4. The split main blade deicing power distribution device according to claim 1, wherein the power distribution module receives blade partition control signals and deicing power transmitted by the control module, and turns on/off a main blade heating switch to realize heating control of a main blade heating assembly.

5. The split primary blade de-icing power distribution assembly of claim 1 wherein said split primary blade de-icing power distribution assembly comprises: the control module and the power distribution module are connected through weather-proof electric connectors and cables, and the modules are replaced quickly.

6. A split primary blade de-icing power distribution assembly as claimed in claim 5 wherein: the blade zone control signal is a ground signal.