Function detection device for helicopter alternating current distribution assembly
By providing functional detection devices for the helicopter AC distribution components, the flight safety problem caused by the failure of the AC distribution components to work normally is solved, and the functional detection and status monitoring of the AC distribution components are realized to ensure flight safety.
Patent Information
- Application Number
- CN202420886214.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-26
AI Technical Summary
During the ground power supply or flight, the AC distribution components fail to work properly, resulting in the power loss of the AC power supply equipment of the helicopter, affecting the flight safety.
It provides a functional detection device for a helicopter AC distribution component, including a chassis, a power supply processing module, an output control module, an input acquisition module, a main control module and a comprehensive display. It is connected to the AC distribution component through an adapter cable, automatically simulates the current working status and realizes functional detection.
It can detect whether the various working conditions of the AC distribution components are qualified, ensure the normal operation of the helicopter AC distribution components and improve flight safety.
Smart Images
Figure CN222599769U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to but is not limited to the technical field of helicopter avionics debugging, and in particular to a function detection device for helicopter AC power distribution components. Background Art
[0002] The helicopter AC power distribution assembly is used for the control conversion of the helicopter AC power system and the feeder protection of the distribution line, and together with other subsystems, it monitors the status parameters of the AC power system.
[0003] However, when the helicopter is powered on the ground or in flight, if the AC power distribution components fail to work properly, causing the helicopter's AC power equipment to lose power, it will greatly affect flight safety. Utility Model Content
[0004] Purpose of the utility model: In order to solve the above-mentioned technical problems, the embodiment of the utility model provides a function detection device for the AC power distribution component of a helicopter, so as to solve the problem that the AC power distribution component fails to work normally when the helicopter is powered on on the ground or in flight, thereby affecting the flight safety.
[0005] Technical solution of the utility model: The embodiment of the utility model provides a function detection device for a helicopter AC power distribution component, comprising: a chassis, a power processing module, an output control module, an input acquisition module, a main control module and a comprehensive display arranged in the chassis, and a transfer cable;
[0006] Wherein, the AC power distribution component of the helicopter is electrically connected to the output control module and the input acquisition module respectively through the adapter cable;
[0007] The power supply on the helicopter is connected to the power processing module, which is respectively connected to the main control module, the integrated display, the output control module and the input acquisition module, and the power supply block is converted into the working voltage of each module in the function detection device through the power processing module;
[0008] The main control module is also respectively connected with the integrated display, the output control module and the input acquisition module. Through the required simulated working state and the detection start signal input on the integrated display, the main control module, the output control module and the input acquisition module automatically simulate the current working state to realize the functional detection of the AC power distribution components.
[0009] Optionally, in the function detection device for the AC power distribution assembly of a helicopter as described above, the helicopter has a DC power supply and an AC power supply;
[0010] The DC power supply and AC power supply are respectively connected to the power processing module. The AC power supply is converted into a DC voltage by the AC / DC converter in the power processing module, and is isolated from the DC power supply by a diode and transmitted to the DC / DC converter for secondary DC / DC conversion to form the operating voltage of each module in the functional detection device.
[0011] Optionally, in the functional detection device for helicopter AC power distribution components as described above, the main control module, the output control module and the input acquisition module automatically simulate the current working state, including:
[0012] The main control module and the output control module realize the signal output to the AC power distribution component, so that the AC power distribution component executes the working state input through the integrated display and forms an output signal;
[0013] The input acquisition module collects the output signal of the AC power distribution component and transmits it to the main control module to detect the working status of the AC power distribution component.
[0014] Optionally, in the function detection device for helicopter AC power distribution assembly as described above, the output control module includes: a plurality of 2A relays and 8A relays;
[0015] The main control module controls the 2A relay and 8A relay to close / release by outputting a ground / open signal to the output control module. The 2A relay auxiliary contact outputs a ground / open signal to control the closing / release of the contactor and relay in the AC power distribution component; the 8A relay auxiliary contact outputs a ground / open signal and a 28V / open signal to the contactor and relay auxiliary contact in the AC power distribution component to provide a switch signal to the input acquisition module through the AC power distribution component.
[0016] Optionally, in the function detection device for helicopter AC power distribution assembly as described above,
[0017] The output signals of the AC power distribution components collected by the input acquisition module include discrete quantity signals and analog quantity signals; wherein the discrete quantity signals include switch signals of contactors and relay auxiliary contacts, and the analog quantity signals include power supply signals.
[0018] Optionally, in the function detection device for helicopter AC power distribution assembly as described above,
[0019] The integrated display receives the detection result of the working status of the AC power distribution component by the main control module, and integrates and displays the detection information of the working status of the AC power distribution component.
[0020] Beneficial effects of the utility model: The functional detection device for the AC power distribution component of a helicopter provided by the embodiment of the utility model includes a power processing module, an output control module, an input acquisition module, a main control module and an integrated display arranged in a chassis; the device is powered by a power supply on the helicopter, and the AC power distribution component of the helicopter is electrically connected to the output control module and the input acquisition module respectively through a switching cable; through the required simulated working state and the detection start signal input on the integrated display, the main control module, the output control module and the input acquisition module automatically simulate the current working state to realize the functional detection of the AC power distribution component. The functional detection device provided by the embodiment of the utility model can detect whether the various working states of the AC power distribution component are qualified, thereby realizing the purpose of functional detection of the AC power distribution component of the helicopter. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The accompanying drawings are used to provide a further understanding of the technical solution of the utility model and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the utility model and do not constitute a limitation on the technical solution of the utility model.
[0022] Figure 1 A schematic structural diagram of a function detection device for an AC power distribution assembly of a helicopter provided in an embodiment of the utility model. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the embodiments of the utility model will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other arbitrarily without conflict.
[0024] The above background technology has explained the function and important role of the helicopter AC power distribution component. When the helicopter is powered on on the ground or in flight, if the AC power distribution component fails to work normally, the helicopter's AC power equipment will lose power, which will greatly affect the flight safety performance.
[0025] In order to prevent safety problems caused by abnormal operation of the AC power distribution assembly of a helicopter, an embodiment of the utility model provides a function detection device for the AC power distribution assembly of a helicopter, which is used for detecting various functions of the AC power distribution assembly of a helicopter.
[0026] The utility model provides the following specific embodiments which can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
[0027] Figure 1 The present invention provides a schematic diagram of a functional detection device for a helicopter AC power distribution assembly. Figure 1As shown, the functional detection device for the helicopter AC power distribution component provided by the embodiment of the utility model includes: a chassis, a power processing module, an output control module, an input acquisition module, a main control module and an integrated display arranged in the chassis, and a switching cable.
[0028] The functional detection device for a helicopter AC power distribution component provided in an embodiment of the utility model is used to realize the detection of various functions in the helicopter AC power distribution component; wherein the helicopter AC power distribution component is electrically connected to the output control module and the input acquisition module in the functional detection device respectively through a conversion cable.
[0029] The power supply on the helicopter is connected to the power processing module, which is respectively connected to the main control module, the integrated display, the output control module and the input acquisition module. The power supply block is converted into the working voltage of each module in the function detection device through the power processing module. It should be noted that each module in the function detection device can realize the function through the circuit structure.
[0030] In the embodiment of the utility model, the main control module is also respectively connected to the integrated display, the output control module and the input acquisition module. Through the required simulated working state and the detection start signal input on the integrated display, the main control module, the output control module and the input acquisition module automatically simulate the current working state to realize the functional detection of the AC power distribution component.
[0031] In one implementation of the embodiment of the utility model, a direct current power supply and an alternating current power supply are provided in the helicopter.
[0032] The DC power supply and AC power supply are respectively connected to the power processing module. The AC power supply is converted into a DC voltage by the AC / DC converter in the power processing module, and is isolated from the DC power supply by a diode and transmitted to the DC / DC converter for secondary DC / DC conversion to form the operating voltage of each module in the functional detection device.
[0033] In the embodiment of the utility model, the specific way in which the main control module, the output control module and the input acquisition module automatically simulate the current working state is:
[0034] The main control module and the output control module realize the signal output of the AC power distribution component, so that the AC power distribution component executes the working status input through the integrated display and forms an output signal; the input acquisition module collects the output signal of the AC power distribution component and transmits it to the main control module to detect the working status of the AC power distribution component.
[0035] The functional detection device for the AC power distribution component of a helicopter provided by the embodiment of the utility model includes a power processing module, an output control module, an input acquisition module, a main control module and an integrated display arranged in a chassis; the device is powered by the power supply on the helicopter, and the AC power distribution component of the helicopter is electrically connected to the output control module and the input acquisition module respectively through a switching cable; through the required simulated working state and the detection start signal input on the integrated display, the main control module, the output control module and the input acquisition module automatically simulate the current working state to realize the functional detection of the AC power distribution component. The functional detection device provided by the embodiment of the utility model can detect whether the various working states of the AC power distribution component are qualified, thereby realizing the purpose of functional detection of the AC power distribution component of the helicopter.
[0036] During the specific implementation, the helicopter AC power distribution component is connected to the functional detection device through an adapter cable, the required simulated working state is input on the integrated display screen, and the start detection button is selected. The detection device automatically simulates the current state, and the detection result is displayed and stored in the integrated display screen in the form of text description to achieve the purpose of detecting the function of the helicopter AC power distribution component.
[0037] The following is a description of the specific implementation and working principle of a function detection device for a helicopter AC power distribution assembly provided by the utility model.
[0038] (1) Power supply of functional detection device:
[0039] The function detection device has two power supply modes: DC28V and AC220V. One way in the power processing module is connected to the DC28V power supply, and the other way is connected to the AC220V power supply. After the AC / DC converter, it is converted into a 36V DC voltage, and then isolated from the DC28V power supply by a diode and transmitted to the DC / DC converter for secondary DC / DC conversion. In specific implementation, the power supply can be selected through the power switch on the integrated display operation panel.
[0040] (2) Output control module:
[0041] The output control module includes multiple 2A relays and 8A relays; the main control module controls the 2A relays and 8A relays to close / release by outputting ground / open signals to the output control module, and the 2A relay auxiliary contacts output ground / open signals to control the closing / release of the contactors and relays in the AC power distribution components. The 8A relay auxiliary contacts output ground / open signals and 28V / open signals to the contactors and relay auxiliary contacts in the AC power distribution components to provide switch signals to the input acquisition module through the AC power distribution components.
[0042] (3) Input acquisition module:
[0043] The output signals of the AC power distribution components include discrete signals and analog signals. The discrete signals include switching signals of contactors and relay auxiliary contacts, and the analog signals include power signals. The input acquisition module is used to collect the output signals of the AC power distribution components and provide them to the main control module.
[0044] a) The discrete quantity signal enters the optocoupler isolation after current limiting protection, and the input acquisition module collects the signal isolated by the optocoupler;
[0045] b) The analog signal passes through the series load and is input into the acquisition module to collect the voltage signal.
[0046] (4) Main control module:
[0047] The main control module is the core unit of the function detection device. Its hardware circuit cooperates with the internal program to collect the output signal of the AC power distribution component and output the control signal to the AC power distribution component.
[0048] The main control module controls the actions of the 2A relay and 8A relay of the output control module; the main control module receives the discrete quantity signal and analog quantity signal collected by the input acquisition module; the main control module uses the internal program to determine whether the working states of the AC power distribution components are qualified.
[0049] (5) Integrated display
[0050] The integrated display can display information such as the working status of the helicopter's AC power distribution components.
[0051] The integrated display uses a serial port screen to design a human-computer interaction interface. The serial port screen is, for example, touch-controlled and controls the display through an RS232 interface.
[0052] It should be noted that the function detection device for helicopter AC power distribution components provided in the embodiment of the utility model aims to protect the connection structure of each module circuit in the function detection device and the coordinated working form of each module based on the connection structure. The internal program of the main control module can be configured according to the actual requirements of the detection function and is not the protection point of the utility model.
[0053] Although the implementation methods disclosed in the utility model are as above, the content is only an implementation method adopted to facilitate the understanding of the utility model, and is not used to limit the utility model. Any technician in the field to which the utility model belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the utility model, but the scope of patent protection of the utility model shall still be based on the scope defined in the attached claims.
Claims
1. A functional detection device for helicopter AC power distribution components, characterized in that: include: A chassis, a power processing module, an output control module, an input acquisition module, a main control module and an integrated display arranged in the chassis, and a transfer cable; Wherein, the AC power distribution component of the helicopter is electrically connected to the output control module and the input acquisition module respectively through the adapter cable; The power supply on the helicopter is connected to the power processing module, which is respectively connected to the main control module, the integrated display, the output control module and the input acquisition module, and the power supply block is converted into the working voltage of each module in the function detection device through the power processing module; The main control module is also respectively connected with the integrated display, the output control module and the input acquisition module. Through the required simulated working state and the detection start signal input on the integrated display, the main control module, the output control module and the input acquisition module automatically simulate the current working state to realize the functional detection of the AC power distribution components.
2. The function detection device for helicopter AC power distribution assembly according to claim 1, characterized in that: The helicopter is provided with a DC power supply and an AC power supply; The DC power supply and AC power supply are respectively connected to the power processing module. The AC power supply is converted into a DC voltage by the AC / DC converter in the power processing module, and is isolated from the DC power supply by a diode and transmitted to the DC / DC converter for secondary DC / DC conversion to form the operating voltage of each module in the functional detection device.
3. The function detection device for helicopter AC power distribution assembly according to claim 2, characterized in that: The main control module, output control module and input acquisition module automatically simulate the current working state, including: The main control module and the output control module realize the signal output to the AC power distribution component, so that the AC power distribution component executes the working state input through the integrated display and forms an output signal; The input acquisition module collects the output signal of the AC power distribution component and transmits it to the main control module to detect the working status of the AC power distribution component.
4. The function detection device for helicopter AC power distribution assembly according to claim 3, characterized in that: The output control module includes: a plurality of 2A relays and 8A relays; The main control module controls the 2A relay and 8A relay to close / release by outputting a ground / open signal to the output control module. The 2A relay auxiliary contact outputs a ground / open signal to control the closing / release of the contactor and relay in the AC power distribution component; the 8A relay auxiliary contact outputs a ground / open signal and a 28V / open signal to the contactor and relay auxiliary contact in the AC power distribution component to provide a switch signal to the input acquisition module through the AC power distribution component.
5. The function detection device for helicopter AC power distribution assembly according to claim 3, characterized in that: The output signals of the AC power distribution components collected by the input acquisition module include discrete quantity signals and analog quantity signals; wherein the discrete quantity signals include switch signals of contactors and relay auxiliary contacts, and the analog quantity signals include power supply signals.
6. The function detection device for helicopter AC power distribution assembly according to any one of claims 1 to 5, characterized in that: The integrated display receives the detection result of the working status of the AC power distribution component by the main control module, and integrates and displays the detection information of the working status of the AC power distribution component.