CN218350754U - Automatic test equipment and system for 441 series control panel assembly - Google Patents
Automatic test equipment and system for 441 series control panel assembly Download PDFInfo
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- CN218350754U CN218350754U CN202222443143.2U CN202222443143U CN218350754U CN 218350754 U CN218350754 U CN 218350754U CN 202222443143 U CN202222443143 U CN 202222443143U CN 218350754 U CN218350754 U CN 218350754U
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Abstract
The utility model discloses an automatic test device and system of 441 series control panel components, which is provided with a serial port, a universal meter serial port, a cable interface and a test hole; the universal meter serial port and the test hole are used for connecting the program-controlled universal meter to perform data interaction and signal test; the cable interface provides required power and PWM waveforms for the 441 series control panel assembly to be tested, and collects signals to be tested; the automatic test equipment comprises a CPU control module, a conversion circuit module, a relay matrix module and a power supply module; the CPU control module controls the relay matrix module to execute switching action according to the test instruction of the upper computer; the power module is used for supplying power to the automatic test equipment and the 441 series control panel assembly. The utility model is suitable for the automatic test of the 441 series control panel components of more than 30 part numbers, improves the test efficiency, reduces the labor cost and the human errors, and meets the performance test of the components in the control panel components; the method is flexible to apply, can be applied to the development of projects of the same type, and reduces the development period.
Description
Technical Field
The utility model relates to an automatic test equipment technical field, especially a 441 series control panel assembly's automatic test equipment and system.
Background
The 441 series control panel assembly comprises various control panel assemblies such as audio, an air conditioner, cabin pressure, electric power and fuel oil, and is mainly used for providing various state information in the flight process for drivers and crews, a rear-level system is controlled through the control panel assembly, the control panel assembly generally comprises various switches, indicator lamps, a power circuit and a protection circuit, an interface is formed on the 441 series control panel assembly, and the 441 series control panel assembly can be detected through testing the electrical parameters of pins of the interface. At present, the test method for the series of control panel assemblies is still in a traditional manual test method, universal instrument equipment is used for testing the control panel assemblies, and due to the fact that a plurality of pins of interfaces of part of the control panel assemblies are provided, manual test steps are complicated, and human errors are easily caused.
Disclosure of Invention
The utility model provides an above-mentioned problem, provide an automatic test equipment of 441 series control panel components. The technical scheme of the utility model is that:
an automatic test device for a 441 series control panel assembly is provided with a serial port, a universal meter serial port, a cable interface and a test hole; the serial port is used for data interaction with an upper computer; the universal meter serial port and the test hole are used for connecting a program-controlled universal meter to perform data interaction and signal test; the cable interface is used for connecting the 441 series control panel assembly, providing required power supply and PWM waveform for the 441 series control panel assembly to be tested, and collecting a signal to be tested;
the automatic test equipment comprises a CPU control module, a conversion circuit module, a relay matrix module and a power supply module; the CPU control module is used for coordinating and controlling the operation among the modules and controlling the relay matrix module to execute switching action according to the test instruction of the upper computer; the power supply module is used for supplying power to the automatic test equipment and the 441 series control panel assembly; the conversion circuit module is used for data conversion of the test result.
As a further explanation of the utility model, serial port and universal meter serial port are RS232 serial interface or/and USB serial interface.
Still further, the cable interface includes different model types of cable interfaces.
Still further, the power module includes a first power source for supplying power to the automatic test equipment and a second power source for supplying power to the 441 series control panel assembly.
On the other hand, the utility model provides an automatic test system of 441 series control panel components, which comprises a computer, a display, a program-controlled multimeter and automatic test equipment of the 441 series control panel components; the computer is connected with automatic test equipment of the 441 series control panel assembly through the serial port; the program-controlled universal meter is connected with automatic test equipment of the 441 series control panel assembly through the universal meter serial port, and a test end of the program-controlled universal meter is connected into the test hole; the automatic test equipment of the 441 series control panel assembly is connected with the 441 series control panel assembly to be tested through a cable interface.
Still further, the system comprises a display connected with the computer, and the test result of the automatic test system of the 441 series control panel assembly is transmitted to the display for displaying.
Furthermore, the computer comprises a PCI serial interface board card and a VGA interface; the PCI serial interface board card comprises a plurality of RS232 serial interfaces.
The utility model has the advantages that:
the utility model is suitable for the test of the control panel assembly of more than 30 part numbers, can carry out the automatic test to the control panel assembly of civil aviation aircraft 441 series, improve the test efficiency, reduce the cost of labor, reduce the human error, and can satisfy the performance test of components and parts in the control panel assembly; the method is flexible to apply, can be applied to the development of projects of the same type, and reduces the development period.
Drawings
FIG. 1 is a signal logic diagram of an automatic test equipment according to the present invention;
fig. 2 is a schematic view of a front panel of an automatic testing device according to an embodiment of the present invention;
fig. 3 is a schematic view of a rear panel of an automatic test equipment according to an embodiment of the present invention;
fig. 4 is a schematic connection diagram of an automatic test system of a control panel assembly 441 series according to an embodiment of the present invention;
fig. 5 is a signal logic diagram of an automatic test system for a series 441 control panel assembly according to an embodiment of the present invention.
Reference numerals: the automatic test device comprises an automatic test device 1, a toggle switch 2, a test hole 3, a power switch 4, a power socket 5, a serial port 6, a universal meter serial port 7, a cable interface 8, a CPU control module 9, a first power supply 101, a second power supply 102, a relay matrix module 11, a conversion circuit module 12 and a data acquisition interface 13.
Detailed Description
Example (b):
the embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely illustrative of some, but not all embodiments of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The automatic test equipment 1 of 441 series control panel assemblies can accurately and efficiently test 441 series control panel assemblies, and meanwhile, the automatic test equipment 1 is high in applicability and applicable to testing of control panel assemblies of more than 30 pieces.
As shown in fig. 1, an automatic test equipment 1 for a 441 series control panel assembly is provided with a serial port 6, a universal meter serial port 7, a cable interface 8 and a test hole 3; the serial port 6 is used for data interaction of an uplink end; the universal meter serial port 7 and the test hole 3 are used for connecting a program-controlled universal meter to perform data interaction and signal test; the cable interface 8 is used for connecting the 441 series control panel assembly, providing required power and PWM signals for the 441 series control panel assembly, and collecting signals to be tested.
The automatic test equipment 1 comprises a CPU control module 9, a conversion circuit module 12, a relay matrix module 11 and a power supply module; the CPU control module 9 is used for coordinating and controlling the operation among the modules, and controlling the relay matrix module 11 to execute the switching action according to the uplink test instruction; the power supply module is used for supplying power to the automatic test equipment 1 and the 441 series control panel assembly; the conversion circuit module 12 is used for data conversion of the test result.
The automatic test equipment 1 of the present embodiment performs an automatic test of the 441 series control panel assembly with a test system composed of other equipment resources including a computer, a programmable multimeter and a display during use. In a specific test process, the automatic test equipment 1 is connected with the 441 series control panel assembly, the automatic test equipment 1 provides required power and PWM signals for the 441 series control panel assembly through the cable interface 8, and tests the electrical performance of the 441 series control panel assembly through the cable interface 8. Meanwhile, the automatic test equipment 1 receives a test instruction through the serial port 6, the CPU control module 9 controls the relay matrix module 11 to be connected with a corresponding test path according to the current test instruction, namely, the test hole 3 and the cable interface 8 form a specific communication relation, so that the program control universal can detect the test parameter value of the pin to be tested, the test parameter value is subjected to data format conversion through the conversion circuit module 12 and then fed back to the CPU control module 9, the test parameter value is uploaded to the upper computer software through the CPU control module 9, and the test result is contrasted and analyzed. The CPU control module 9 can continuously receive the test instruction through the serial port 6 and feed back the test result of the corresponding pin of the 441 series control panel assembly to the upper computer, thereby implementing the automatic test of the 441 series control panel assembly. For artifical manual test, the utility model discloses an automatic test equipment 1 switches the test route through CPU control module 9 automatic control relay matrix module 11 to each pin that awaits measuring to 441 series control panel components carries out automatic test in proper order, improves efficiency of software testing, reduces the cost of labor, reduces the human error.
In this embodiment, the serial port 6 and the multimeter serial port 7 are RS232 serial ports, that is, the automatic test equipment 1 is in communication connection with the computer through the serial port 6 by using a serial port line, and the automatic test equipment 1 is in communication connection with the program-controlled multimeter through the multimeter serial port 7 by using a serial port line; in the embodiment, the automatic test equipment 1 adopts the interface cable assembly to test and connect with the 441 series control panel assembly through the cable interface 8. As shown in fig. 3, the rear panel of the automatic test equipment 1 of this embodiment is provided with a power socket 5 (containing a fuse), a serial port 6, a universal meter serial port 7, and a cable interface 8. The automatic test equipment 1 is provided with 220V/50Hz commercial power through the power socket 5, the serial port 6 and the universal meter serial port 7 are respectively connected to a computer and a program-controlled universal meter for communication, and the cable interface 8 is connected with the 441 series control panel component to be tested through the corresponding interface cable component for testing. In a preferred embodiment, as shown in the drawings, the cable port 8 comprises a plurality of cable ports 8 of different types, and 441 series control panel assemblies of different part numbers are provided with corresponding cables. That is, the interface at one end of the cable in this embodiment is adapted to the cable interface 8 of the automatic test equipment 1, and the other end of the cable is adapted to the interface of the 441 series control panel assembly. In the test process, the program-controlled multimeter receives the command of the CPU control module 9 to test, and feeds back the test result to the CPU control module 9. Meanwhile, the CPU control module 9 controls the relay matrix module 11 to execute switching actions so as to test corresponding test signals, the data type format of the test result is converted by the conversion circuit module 12, the test result is uploaded to the upper computer software by the CPU control module 9 and is compared and analyzed, and automatic test of control panel assemblies of different part numbers 441 series is realized.
As described above, the power module of this embodiment is mainly used for supplying power to the automatic test equipment 1 and the 441 series control panel assembly, and specifically includes the first power source 101 and the second power source 102, where the first power source 101 is used for supplying power to the automatic test equipment 1, and the second power source 102 is used for supplying power to the 441 series control panel assembly, as shown in fig. 1, on one hand, the cable interface 8 is communicated with the second power source 102 to supply power to the 441 series control panel assembly; on the other hand, the cable interface 8 is connected with the relay matrix module 11 through a data acquisition interface 13 to acquire a signal to be detected; meanwhile, the CPU control module 9 provides PWM waveform for the 441 series control panel component through the cable interface 8. In the embodiment shown in fig. 2 and 3, the front panel of the automatic test equipment 1 is provided with a toggle switch 2, a test hole 3 and a power switch 4; the toggle switch 2 is used for controlling the second power supply 102, and when the toggle switch is set to be in an "ON" state, the toggle switch supplies power to the 441 series control panel assembly to be tested for the automatic test equipment 1; the power switch 4 is used to control the first power source 101, and when the first power source 101 is set to the "ON" state, the first power source 101 is turned ON and supplies power to the automatic test equipment 1.
In this embodiment, the test hole 3 of the automatic test equipment 1 is used for connecting the test end of the program-controlled multimeter for testing, namely, after two test terminals of the program-controlled multimeter are connected into the relay matrix module 11, the two test terminals are connected to two pins of the cable interface 8, so that the electric parameters of two corresponding interface pins on the 441 series control panel assembly are detected, and the measurement result is fed back to the automatic test equipment 1 through the multimeter serial port 7. In the test process, the CPU control module 9 controls the relay matrix module 11 to perform corresponding switching according to the received test instruction, so that the test holes 3 are connected to corresponding interface pins on the 441 series control panel assembly to be tested, and the automatic test of the 441 series control panel assembly under the serial number can be automatically realized by sequentially performing the test.
The relay matrix module 11 of this embodiment has integrateed a plurality of miniaturely relays, accomplishes the connection of programme-controlled universal meter and 441 series control panel assembly through control relay to combine corresponding cable to test. In this embodiment, the cable interface 8 includes cable interfaces 8 of different types, and in practical application, the connection between the automatic test equipment 1 and the 441 series control panel assembly can be implemented by using corresponding cable lines, so that the test requirements of the 441 series control panel assembly with more than 30 pieces can be met. It should be noted that only one 441 series control panel assembly can be tested at the same time, the upper computer (i.e., the PC end) selects the serial number of the 441 series control panel assembly to be tested, so as to determine a testing scheme, and at this time, the testing parameters are also determined, and a command is sent to the lower computer (i.e., the automatic testing device 1 end), and for the 441 series control panel assemblies to be tested with different part numbers, different testing cables (connecting the automatic testing device 1 and the 441 series control panel assembly to be tested) are matched. For the 441 series control panel assembly of the same number, it is not necessary to replace the cable connected to the automatic test apparatus 1. When another 441 series control panel assembly of a different part number is to be tested, the cable adapted to the control panel assembly needs to be replaced for connection.
Referring to the drawings specifically for the module composition and logic relationship of the present embodiment, the test principle of the automatic test equipment 1 is as follows: when the control panel assembly of the 441 series to be tested is tested, the automatic test equipment 1 is connected with the control panel assembly of the 441 series to be tested by using the corresponding interface cable assembly; the program-controlled universal meter is connected with the automatic test equipment 1 by using the corresponding interface cable assembly, the computer is connected with the automatic test equipment 1 by using the serial port line, and a power supply of the computer, a power supply of the automatic test equipment 1 and a power supply of the program-controlled universal meter are independent and do not influence each other.
In a preferred embodiment, the automatic test equipment 1 of this embodiment is operated and controlled by a computer, where the computer includes a PCI serial interface board card and a VGA interface; the PCI serial interface board card and the VGA interface are both connected with the CPU, the PCI serial interface board card comprises a plurality of RS232 serial interfaces, the multistage transmission speed can be selected, and D-type 9-pin interfaces are adopted.
Preparation before testing: before testing 441 series control panel assemblies, installing upper computer software at a PC end, connecting the automatic testing equipment 1 with a computer, a program-controlled multimeter, 441 series control panel assemblies and the like by using corresponding cable assemblies, storing a reference value in the upper computer software, realizing control of the upper computer software and the automatic testing equipment 1 through a serial port 6, uploading a testing result to an upper computer by the automatic testing equipment 1, carrying out contrastive analysis on the testing result, and displaying the testing result on a display interface.
And (3) testing process: the method comprises the steps of providing a 220V/50Hz alternating current power supply for automatic test equipment 1, a computer and a program-controlled universal meter, starting software of an upper computer, selecting a part number of a tested control panel assembly on an operation interface of the upper computer for testing, initializing each driver automatically by the software, establishing a data link with the computer by the automatic test equipment 1, receiving computer data and returning test data, coordinating and controlling the operation of other modules by a CPU control module 9 to perform corresponding operation, and uploading a test result of the program-controlled universal meter to the upper computer.
The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for variations, and in short, all variations within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (7)
1. An automatic test apparatus for a 441 series control panel assembly, comprising: the test device is provided with a serial port, a universal meter serial port, a cable interface and a test hole; the serial port is used for data interaction with an upper computer; the universal meter serial port and the test hole are used for connecting a program-controlled universal meter to perform data interaction and signal test; the cable interface is used for connecting the 441 series control panel assembly, providing required power supply and PWM waveform for the 441 series control panel assembly to be tested, and collecting a signal to be tested;
the automatic test equipment comprises a CPU control module, a conversion circuit module, a relay matrix module and a power supply module; the CPU control module is used for coordinating and controlling the operation among the modules and controlling the relay matrix module to execute switching action according to the test instruction of the upper computer; the power supply module is used for supplying power to the automatic test equipment and the 441 series control panel assembly; the conversion circuit module is used for data conversion of the test result.
2. The automatic test equipment for a 441 series control panel assembly of claim 1, wherein: the serial port and the universal meter serial port are RS232 serial ports or/and USB serial ports.
3. The automatic test equipment of the 441 series control panel assembly according to claim 1 or 2, wherein: the cable interfaces include different model types of cable interfaces.
4. The automatic test equipment of a 441 series control panel assembly according to claim 3, wherein: the power module comprises a first power source and a second power source, the first power source is used for supplying power to the automatic test equipment, and the second power source is used for supplying power to the 441 series control panel assembly.
5. An automatic test system of 441 series control panel assembly, comprising: automated test equipment comprising a computer, a display, a programmable multimeter and a series 441 control panel assembly according to any one of claims 1-4; the computer is connected with automatic test equipment of the 441 series control panel assembly through the serial port; the program-controlled universal meter is connected with automatic test equipment of the 441 series control panel assembly through the universal meter serial port, and a test end of the program-controlled universal meter is connected into the test hole; the automatic test equipment of the 441 series control panel assembly is connected with the 441 series control panel assembly to be tested through a cable interface.
6. The automatic test system of a 441 series control panel assembly of claim 5, wherein: the display is connected with the computer, and the test result of the automatic test system of the 441 series control panel assembly is transmitted to the display to be displayed.
7. The automatic test system of a 441 series control panel assembly of claim 5, wherein: the computer comprises a PCI serial interface board card and a VGA interface; the PCI serial interface board card comprises a plurality of RS232 serial interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222443143.2U CN218350754U (en) | 2022-09-15 | 2022-09-15 | Automatic test equipment and system for 441 series control panel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222443143.2U CN218350754U (en) | 2022-09-15 | 2022-09-15 | Automatic test equipment and system for 441 series control panel assembly |
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| Publication Number | Publication Date |
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| CN218350754U true CN218350754U (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222443143.2U Active CN218350754U (en) | 2022-09-15 | 2022-09-15 | Automatic test equipment and system for 441 series control panel assembly |
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- 2022-09-15 CN CN202222443143.2U patent/CN218350754U/en active Active
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