CN221926952U - Signal simulation device and system for atmospheric data - Google Patents

Abstract

The embodiment of the utility model discloses a signal simulation device and system for atmospheric data. The device comprises: simulation management equipment, simulation server, ARINC429 equipment and interface cable; the simulation management equipment is used for providing digital simulation signals of the atmosphere data; the simulation server is connected with the simulation management equipment to provide a simulation environment for the simulation management equipment; the simulation server is connected with ARINC429 equipment, and the interface cable is arranged on the ARINC429 equipment; the simulation server is used for transmitting a digital simulation signal of the atmospheric data to ARINC429 equipment according to preset transmission information; the ARINC429 device is used for transmitting the digital simulation signals of the atmospheric data to each interface cable; the interface cable is correspondingly connected with an air data module ADM in the aircraft and is used for transmitting the digital simulation signals to the corresponding ADM module so as to perform the aircraft function test. The device improves the test efficiency by providing the simulation signal.

Description

A signal simulation device and system for atmospheric data

Technical Field

The utility model relates to the technical field of aircraft signal processing, in particular to a signal simulation device and system for atmospheric data.

Background Art

Air data system input is required for functional testing of aircraft systems such as the aircraft's display system, flight control system, flight management system, and cabin pressurization system.

In the prior art, an atmospheric pressure simulation signal is usually generated by connecting an atmospheric data tester with a total pressure probe, a static pressure hole, and a total static pressure probe sensor, and then the atmospheric pressure simulation signal is transmitted to various aircraft systems for functional testing.

However, this test method is affected by the pressure rate of the atmospheric data tester equipment, and is inefficient. It requires gradual reaching of the target pressure value, and the waiting time is long. For example, for 30,000 feet, it takes 15 minutes to wait. In addition, the reliability of any probe adapter connection also directly affects the functional test cycle.

Utility Model Content

The utility model provides a signal simulation device and system for atmospheric data, which are used to replace the atmospheric data tester in the prior art and improve the efficiency and reliability of aircraft function testing.

According to one aspect of the utility model, a signal simulation device for atmospheric data is provided, and the signal simulation device is applied to an aircraft. The signal simulation device comprises: a simulation management device, a simulation server, an ARINC429 device, and an interface cable; wherein:

The simulation management device is used to provide a digital simulation signal of atmospheric data;

The simulation server is connected to the simulation management device and is used to provide a simulation environment for the simulation management device;

The simulation server is connected to the ARINC429 device via a data network, and the interface cable is arranged on the ARINC429 device;

The simulation server is further used to send the digital simulation signal of the atmospheric data to the ARINC429 device according to the preset sending information;

The ARINC429 device is used to transmit the digital simulation signal of the atmospheric data to each of the interface cables;

The interface cable is correspondingly connected to an atmospheric data module ADM in the aircraft, and the interface cable is used to transmit a digital simulation signal to the corresponding ADM module so that the ADM module acquires atmospheric data to perform aircraft function testing.

Optionally, the simulation management device includes: a parameter configuration module, a data processing module, and a data simulation module; wherein:

The parameter configuration module is used to obtain parameter configuration information of atmospheric data input by a user, and transmit the parameter configuration information to the data processing module;

The data processing module is used to receive the parameter configuration information and convert the parameter configuration information into ICD signal information based on the simulation environment provided by the simulation server and according to the preset avionics interface control file ICD data processing rules;

The data simulation module is used to receive the ICD signal information transmitted by the data processing module and generate a corresponding digital simulation signal.

Optionally, a simulation server includes: an ADM output simulator;

The ADM output simulator is used to obtain the ADM module logic model input by the user, and configure the preset sending information corresponding to the interface cable according to the ADM module logic model.

Optionally, the ARINC429 device enables 8 interface cables.

Optionally, the interface cable is respectively connected to the ADM module in the observation window area on the left side of the nose, the ADM module in the two equipment rack areas in front of the nose, the ADM module in the observation window area on the right side of the nose, the ADM module in the instrument panel area of the nose, the ADM module on the nose floor, and the ADM module in the two equipment rack areas behind the nose.

Optionally, the connection status between the ADM module and the ADM connector on the aircraft is disconnected.

Optionally, the parameter configuration module includes a parameter configuration information input interface;

The parameter configuration information input interface allows the user to obtain the parameter configuration information of the atmospheric data input by the user, and displays the parameter configuration information.

Optionally, the interface cables are divided into three groups; wherein:

The first group of interface cables are respectively connected to the ADM module in the observation window area on the left side of the machine head, the ADM module in the first front equipment rack area on the machine head, and the ADM module in the observation window area on the right side of the machine head;

The second set of interface cables are connected to the ADM module in the instrument panel area of the nose and the ADM module on the nose floor respectively;

The third group of interface cables are respectively connected to the ADM module in the second front equipment rack area of the machine head and the ADM modules in the two rear equipment rack areas of the machine head.

Optionally, the preset sending information includes: signal sending time, signal sending frequency, signal sending type and signal sending threshold range of each group of interface cables.

According to another aspect of the utility model, a signal simulation system for atmospheric data is provided, the signal simulation system comprising:

As provided in any embodiment of the present utility model, the signal simulation device for atmospheric data, the atmospheric data module ADM, and the flight control system; wherein:

The interface cable in the signal simulation device for atmospheric data is connected to the ADM module, and is used to transmit the digital simulation signal of atmospheric data to the ADM module;

The ADM module is connected to the flight control system and is used to transmit digital simulation signals of atmospheric data to the flight control system to perform functional tests on various aircraft systems.

The technical solution of the embodiment of the utility model is provided by setting a signal simulation device including a simulation management device, a simulation server, an ARINC429 device, and an interface cable, wherein the simulation management device is used to provide a digital simulation signal of atmospheric data; the simulation server is connected to the simulation management device to provide a simulation environment for the simulation management device; the simulation server is connected to the ARINC429 device through a data network, and the interface cable is arranged on the ARINC429 device; the simulation server is also used to send the digital simulation signal of atmospheric data to the ARINC429 device according to the preset sending information; the ARINC429 device is used to transmit the digital simulation signal of atmospheric data to each of the interface cables; the interface cable is correspondingly connected to the atmospheric data module ADM in the aircraft, and the interface cable is used to transmit the digital simulation signal to the corresponding ADM module, so that the ADM module obtains atmospheric data to perform aircraft function testing. The problem of atmospheric data simulation of the aircraft control system is solved, and the atmospheric data tester in the prior art can be replaced to improve the efficiency and reliability of aircraft function testing.

It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present utility model, nor are they intended to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

FIG1 is a schematic diagram of the structure of a signal simulation device for atmospheric data according to an embodiment of the present utility model;

FIG2 is a schematic diagram of the structure of another signal simulation device for atmospheric data provided according to an embodiment of the present utility model;

FIG3 is a schematic diagram of the distribution of an ADM module in a machine head according to an embodiment of the utility model;

FIG4 is a schematic diagram of a signal simulation device connection according to an embodiment of the present utility model;

FIG5 is a schematic diagram of the structure of a signal simulation system for atmospheric data provided according to an embodiment of the present utility model.

DETAILED DESCRIPTION

In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

Fig. 1 is a schematic diagram of the structure of a signal simulation device for atmospheric data according to an embodiment of the utility model, and this embodiment can be applied to the case where an aircraft performs a function test of each system of the aircraft by using atmospheric data. The signal simulation device for atmospheric data is applied to an aircraft.

As shown in FIG. 1 , the signal simulation apparatus 100 for atmospheric data includes: a simulation management device 110 , a simulation server 120 , an ARINC429 device 130 , and an interface cable 140 .

The simulation management device is used to provide a digital simulation signal of atmospheric data. The atmospheric data includes but is not limited to airspeed, altitude, etc. In an embodiment of the utility model, the atmospheric data is a digital simulation signal. Optionally, the simulation management device includes: a parameter configuration module, a data processing module, and a data simulation module.

The parameter configuration module is used to obtain the parameter configuration information of the atmospheric data input by the user and transmit the parameter configuration information to the data processing module; the data processing module is used to receive the parameter configuration information and, based on the simulation environment provided by the simulation server and according to the preset avionics interface control file ICD data processing rules, convert the parameter configuration information into ICD signal information; the data simulation module is used to receive the ICD signal information transmitted by the data processing module and generate a corresponding digital simulation signal.

Optionally, the parameter configuration module includes a parameter configuration information input interface; the parameter configuration information input interface allows the user to obtain the parameter configuration information of the atmospheric data input by the user and display the parameter configuration information. The user can set the parameter configuration information according to the atmospheric data required by the aircraft in the actual test application. For example, the user can enter the data such as airspeed and altitude during the aircraft function test in the parameter configuration information input interface.

The data processing module can receive the parameter configuration information transmitted by the parameter configuration module, and perform data format parsing and data management based on the preset avionics interface control document (ICD) data processing rules to obtain ICD signal information. Among them, the ICD data processing rules are a system specification that defines the detailed description of the electrical and electronic interface, and defines the interface between the parts of the airborne electronic system and the parts that do not belong to the system. It is an important part of the airborne electronic system specification and can be used as a basis for directly evaluating the advantages and disadvantages of the airborne electronic system. It is used to ensure the compatibility and consistency between the various systems of the aircraft and can effectively avoid flight risks.

The data simulation module can receive the ICD signal information transmitted by the data processing module, and specifically perform signal simulation on the ICD signal information to generate a digital simulation signal.

The simulation server is connected to the simulation management device to provide a simulation environment for the simulation management device; the simulation server is connected to the ARINC429 device via a data network. Specifically, FIG2 is a structural schematic diagram of another signal simulation device for atmospheric data provided according to an embodiment of the utility model. As shown in FIG2, the simulation server can be connected to the ARINC429 device to provide a simulation environment for the parameter configuration module, the data processing module, and the data simulation module in the simulation management device. Among them, the simulation environment can be an operating system, a board driver, etc. The simulation server can provide a real-time simulation environment for deploying simulation management and real-time simulation scheduling. The connection between the simulation server and the ARINC429 device can be achieved through an Ethernet port for data interaction.

The interface cable is arranged on the ARINC429 device. The ARINC429 device may have 128 ARINC429 bus channels. In the embodiment of the utility model, the receiving and sending state and the transmission rate of each channel may be configured separately through the simulation server.

Specifically, the simulation server is also used to send the digital simulation signal of the atmospheric data to the ARINC429 device according to the preset sending information; the ARINC429 device is used to transmit the digital simulation signal of the atmospheric data to each interface cable.

The preset sending information includes, but is not limited to, signal sending time, signal sending frequency, signal sending type, and signal sending threshold range.

The interface cable is connected to the Air Data Module (ADM) in the aircraft. The interface cable is used to transmit the digital simulation signal to the corresponding ADM module so that the ADM module can obtain the atmospheric data for aircraft function testing.

Optionally, the ARINC429 device enables 8 interface cables. FIG3 is a schematic diagram of the distribution of an ADM module in a head according to an embodiment of the utility model. As shown in FIG3 , the ADM modules are respectively distributed in the observation window area on the left side of the head (numbered D-341), the equipment rack area in front of the head (numbered D-342 and D-347), the observation window area on the right side of the head (numbered D-343), the instrument panel area of the head (numbered D-344), the floor of the head (numbered D-345), and the equipment rack area behind the head (numbered D-346 and D-348). In FIG3 , FR represents the frame of the head, for example, FR4 is the head 4 frame, FR5 is the head 5 frame, FR6 is the head 6 frame, FR7 is the head 7 frame, FR23 is the head 23 frame, and FR24 is the head 24 frame. The ADM module is arranged between FR4 and FR24.

In an embodiment of the utility model, the interface cable is respectively connected to the ADM module in the observation window area on the left side of the nose, the ADM module in the two equipment rack areas in front of the nose, the ADM module in the observation window area on the right side of the nose, the ADM module in the instrument panel area of the nose, the ADM module on the nose floor, and the ADM module in the two equipment rack areas behind the nose.

In order to more specifically illustrate the connection relationship between the interface cable and the ADM module, FIG4 is a connection diagram of a signal simulation device provided according to an embodiment of the utility model. As shown in FIG4, the signal simulation device includes: a simulation management device, a simulation server, an ARINC429 device, and an interface cable. Among them, the ARINC429 device enables 8 interface cables, namely D-341-R1, D-342-R1, D-343-R1, D-344-R1, D-345-R1, D-346-R1, D-347-R1, and D-348-R1. The interface cables are connected to the ADM modules respectively. Specifically, D-341-R1 is connected to ADM module D-341-P1, D-342-R1 is connected to ADM module D-342-P1, D-343-R1 is connected to ADM module D-343-P1, D-344-R1 is connected to ADM module D-344-P1, D-345-R1 is connected to ADM module D-345-P1, D-346-R1 is connected to ADM module D-346-P1, D-347-R1 is connected to ADM module D-347-P1, and D-348-R1 is connected to ADM module D-348-P1.

When in use, the connection state between the ADM module and the ADM connector on the aircraft is disconnected. The ADM module is connected to the interface cable, so that the signal simulation device can replace the atmospheric data tester, improve the efficiency of atmospheric data generation, and further improve the efficiency of functional testing.

In order to more conveniently output the digital simulation signals of atmospheric data, the interface cables are optionally divided into three groups; wherein: the first group of interface cables are respectively connected to the ADM module in the observation window area on the left side of the nose, the ADM module in the first front equipment rack area of the nose, and the ADM module in the observation window area on the right side of the nose; the second group of interface cables are respectively connected to the ADM module in the instrument panel area of the nose, and the ADM module on the nose floor; the third group of interface cables are respectively connected to the ADM module in the second front equipment rack area of the nose, and the ADM modules in the two rear equipment rack areas of the nose.

As shown in Figure 4, D-341-R1 is connected to ADM module D-341-P1, D-342-R1 is connected to ADM module D-342-P1, and D-343-R1 is connected to ADM module D-343-P1, forming a first group of connections between interface cables and ADM modules; D-344-R1 is connected to ADM module D-344-P1, and D-345-R1 is connected to ADM module D-345-P1, forming a second group of connections between interface cables and ADM modules; D-346-R1 is connected to ADM module D-346-P1, D-347-R1 is connected to ADM module D-347-P1, and D-348-R1 is connected to ADM module D-348-P1, forming a third group of connections between interface cables and ADM modules.

In the aircraft function test, the on-board ADM and the atmospheric data tester (tooling equipment simulating airspeed and altitude) are replaced by the atmospheric data signal simulation device. Before the test, the on-board ADM connector is disconnected, and the signal simulation device is connected to the on-board cable as shown in Figure 4. During the test, the airspeed and altitude simulation signals that conform to the system logic are sent according to the test procedure requirements to support the user system closed-loop test.

The atmospheric data required by each group of interface cables may be different to some extent. For example, the atmospheric data required by each group of interface cables may be different to some extent in terms of signal transmission time, signal transmission frequency, signal transmission type, and signal transmission threshold range.

In order to better realize the digital simulation signal output of atmospheric data, the preset sending information includes: the signal sending time, signal sending frequency, signal sending type and signal sending threshold range of each group of interface cables. Therefore, the specific configuration of each group of interface cables can be realized according to the preset sending information.

Further, as shown in FIG. 1 , optionally, the simulation server includes: an ADM output simulator; the ADM output simulator is used to obtain the ADM module logic model input by the user, and configure the preset sending information corresponding to the interface cable according to the ADM module logic model.

The ADM module logic model may be composed of information such as the location distribution, grouping, and differences in required atmospheric data of the ADM modules. The simulation server may determine the specific configuration of the interface cable based on the analysis of the ADM module logic model, thereby implementing simulation signal transmission that complies with the operation logic.

The technical solution of this embodiment is to set up a signal simulation device including a simulation management device, a simulation server, an ARINC429 device, and an interface cable, wherein the simulation management device is used to provide a digital simulation signal of atmospheric data; the simulation server is connected to the simulation management device to provide a simulation environment for the simulation management device; the simulation server is connected to the ARINC429 device through a data network, and the interface cable is arranged on the ARINC429 device; the simulation server is also used to send the digital simulation signal of atmospheric data to the ARINC429 device according to the preset sending information; the ARINC429 device is used to transmit the digital simulation signal of atmospheric data to each interface cable; the interface cable is correspondingly connected to the atmospheric data module ADM in the aircraft, and the interface cable is used to transmit the digital simulation signal to the corresponding ADM module, so that the ADM module obtains atmospheric data to perform aircraft function testing. The problem of atmospheric data simulation of the aircraft control system is solved, and the atmospheric data tester in the prior art can be replaced to improve the efficiency and reliability of aircraft function testing.

FIG5 is a schematic diagram of the structure of a signal simulation system for atmospheric data provided according to an embodiment of the utility model. The technical solution in this embodiment can be combined with various optional solutions in one or more of the above embodiments.

As shown in Figure 5, the signal simulation system includes: a signal simulation device for atmospheric data, an atmospheric data module ADM, and a flight control system as provided in any embodiment of the utility model; wherein: the interface cable in the signal simulation device for atmospheric data is connected to the ADM module, and is used to transmit the digital simulation signal of atmospheric data to the ADM module; the ADM module is connected to the flight control system, and is used to transmit the digital simulation signal of atmospheric data to the flight control system, so as to perform functional tests on various aircraft systems.

The technical solution of the utility model replaces the traditional atmospheric data tester with an atmospheric data signal simulation device, directly sends the expected ARINC429 signal through bus signal simulation, provides an atmospheric data module simulation model and an interface simulation model, and physically connects with the on-board system under test through hardware interface resources such as servers and boards to achieve data communication between the simulation device and the system under test. Compared with using an atmospheric data tester to simulate atmospheric pressure signals through full pressure probes, static pressure holes, and full static pressure probes, digital signal simulation can greatly improve test efficiency, while the system connection is more reliable, effectively ensuring test quality.

The above specific implementations do not constitute a limitation on the protection scope of the present utility model. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A signal simulation simulator for atmospheric data, the signal simulation simulator being applied to an aircraft, the signal simulation simulator comprising: simulation management equipment, a simulation server, ARINC429 equipment and an interface cable; wherein:

the simulation management equipment is used for providing digital simulation signals of the atmosphere data;

the simulation server is connected with the simulation management equipment and is used for providing a simulation environment for the simulation management equipment;

The simulation server is connected with the ARINC429 equipment through a data network, and the interface cable is arranged on the ARINC429 equipment;

The simulation server is further configured to send a digital simulation signal of the atmospheric data to the ARINC429 device according to preset sending information;

the ARINC429 device is used for transmitting digital simulation signals of the atmospheric data to each interface cable;

the interface cable is correspondingly connected with an air data module ADM in the aircraft and is used for transmitting digital simulation signals to the corresponding ADM module so that the ADM module can acquire air data to perform aircraft function test.

2. The signal simulation apparatus according to claim 1, wherein the simulation management device includes: the system comprises a parameter configuration module, a data processing module and a data simulation module; wherein:

The parameter configuration module is used for acquiring parameter configuration information of the atmospheric data input by a user and transmitting the parameter configuration information to the data processing module;

The data processing module is used for receiving the parameter configuration information, and converting the parameter configuration information into ICD signal information according to a preset ICD data processing rule based on a simulation environment provided by the simulation server;

the data simulation module is used for receiving the ICD signal information transmitted by the data processing module and generating a corresponding digital simulation signal.

3. The signal simulation apparatus according to claim 1, wherein the simulation server comprises: an ADM output emulator;

The ADM output simulator is used for acquiring an ADM module logic model input by a user and configuring preset sending information corresponding to the interface cable according to the ADM module logic model.

4. The signal emulation simulation apparatus according to claim 1, wherein the ARINC429 device enables 8 interface cables.

5. The signal simulation device according to claim 4, wherein the interface cable is connected to an ADM module of a viewing window area on a left side of the head, an ADM module of a device frame area in front of the 2 heads, an ADM module of a viewing window area on a right side of the head, an ADM module of a dashboard area of the head, an ADM module on a floor of the head, and an ADM module of a device frame area behind the 2 heads, respectively.

6. The signal simulation device of claim 1, wherein the ADM module is disconnected from an ADM connector on the aircraft.

7. The signal simulation device of claim 2, wherein the parameter configuration module comprises a parameter configuration information input interface;

And the parameter configuration information input interface is used for enabling a user to acquire parameter configuration information of the atmospheric data input by the user and displaying the parameter configuration information.

8. The signal emulation simulation device according to claim 5, wherein the interface cables are divided into three groups; wherein:

The first group of interface cables are respectively connected with the ADM module of the observation window area on the left side of the machine head, the ADM module of the first front equipment rack area of the machine head and the ADM module of the observation window area on the right side of the machine head;

the second group of interface cables are respectively connected with the ADM module of the instrument panel area of the machine head and the ADM module on the floor of the machine head;

The third set of interface cables are connected to the ADM module of the second front equipment rack area of the machine head and the ADM modules of the 2 back equipment rack areas of the machine head respectively.

9. The signal simulation apparatus according to claim 8, wherein the preset transmission information includes: signal transmission time, signal transmission frequency, signal transmission type, and signal transmission threshold range of each group of interface cables.

10. A signal simulation system of atmospheric data, the signal simulation system comprising:

Signal emulation simulation device of atmospheric data, atmospheric data module ADM, and flight control system according to any one of claims 1-9; wherein:

the interface cable in the signal simulation device of the atmosphere data is connected with the ADM module and is used for transmitting the digital simulation signal of the atmosphere data to the ADM module;

The ADM module is connected with the flight control system and is used for transmitting digital simulation signals of the atmospheric data to the flight control system to perform functional tests of all the systems of the aircraft.