Automatic test system

Abstract

The utility model discloses an automatic test system which comprises an automatic tester, a six-degree-of-freedom platform, an image visual polarity inspection device and a TDM system. The automatic tester is connected with the six-degree-of-freedom platform; the automatic tester is connected with the image data polarity checking device; and the automatic tester is connected with the TDM system. The automatic test system provided by the utility model can meet the automatic test requirements of a plurality of sets of integrated control systems / integrated controllers to be tested by adopting a modularized and integrated design, so that the system has the advantages of simple architecture, function modularization, good expansibility and the like, and can be used for automatic polarity inspection and test. Data sharing and test data storage can be realized, the test efficiency is improved, and fault analysis is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of testing, more particularly, to an automatic testing system. BACKGROUND

[0002] The testing and control professional technology relates to the ground general-purpose testing guarantee of weapon equipment, and provides services for the reliability and success rate of use of equipment, and is directly related to whether the weapon equipment can work normally.

[0003] The existing testing system is separated from the power supply part and the display part, and one testing device can only test one product, the testing information and results cannot be interactively shared, the product testing efficiency is affected, the testing function expansion is limited, when polarity checking is performed, a manual hand rotating table is needed, and manual judgment is performed on whether the polarity checking is qualified, the automatic testing system is not suitable for large batch product testing and real-time monitoring of testing results, and the efficiency is low. CONTENT OF THE UTILITY MODEL

[0004] In view of at least one defect or improvement requirement of the prior art, the utility model provides an automatic testing system, which can improve the automatic degree of the polarity checking of the comprehensive control system.

[0005] In order to achieve the above-mentioned purpose, according to the first aspect of the utility model, an automatic testing system is provided, which comprises an automatic testing instrument, a six-degree-of-freedom platform, an image visual polarity checking device and a TDM system;

[0006] The automatic testing instrument is connected with the six-degree-of-freedom platform;The automatic testing instrument is connected with the image data polarity checking device;The automatic testing instrument is connected with the TDM system;

[0007] The automatic testing instrument is composed of KVM, an adapter, a main control unit, a first program-controlled power supply and a second program-controlled power supply, and the above-mentioned components are installed on a cabinet;

[0008] The adapter is connected with the first program-controlled power supply and the second program-controlled power supply, the main control unit is connected with the first program-controlled power supply and the second program-controlled power supply, and the KVM is connected with the main control unit;

[0009] The main control unit has a plurality of PCI / PCIe function board card slots, respectively inserting digital quantity function board cards, analog quantity function board cards, serial port function board cards, CAN function board cards, 1553B function board cards and synchronous time function board cards.

[0010] Further, the automatic testing system, the adapter comprises a signal conditioning board, a connection cable connected with the function board card, a testing adapter cable and an indicator light connection cable;

[0011] The signal conditioning board is connected with the functional board card through a connecting cable connected with the functional board card, the test adapter cable is connected with the comprehensive test cable, the comprehensive test cable is connected with the comprehensive controller to be tested, and the signal conditioning board is connected with the indicator lamp through the indicator lamp connecting cable.

[0012] Further, the KVM of the above-mentioned automatic test system is a display, keyboard and mouse integrated machine connected with the host computer.

[0013] Further, the signal conditioning board of the above-mentioned automatic test system comprises a relay circuit, an isolation amplification circuit and a signal level acquisition circuit.

[0014] The test adapter cable leads out independent signals of the signal conditioning board in two channels respectively and is connected with the comprehensive test cable respectively.

[0015] Further, the 1553B functional board card of the above-mentioned automatic test system is connected with the coupler installed on the coupler mounting plate through a coaxial cable.

[0016] Further, the first program-controlled power supply and the second program-controlled power supply of the above-mentioned automatic test system are connected with the host computer through a serial port connection cable for serial port communication, and the host computer controls the first program-controlled power supply and the second program-controlled power supply through serial port communication.

[0017] The first program-controlled power supply and the second program-controlled power supply are connected with the adapter through a power supply cable to supply power to the signal conditioning board in the adapter and to supply power to the comprehensive controller.

[0018] Further, the first program-controlled power supply and the second program-controlled power supply of the above-mentioned automatic test system provide a test instrument power supply voltage range of 10V-34V.

[0019] Overall, compared with the prior art, the above technical scheme conceived by the utility model can achieve the following beneficial effects:

[0020] (1) The automatic test system provided by the utility model can meet the automatic test requirements of multiple sets of comprehensive control systems / comprehensive controllers to be tested through modular and integrated design, so that the system has the advantages of simple architecture, modular function and good expansibility.

[0021] (2) The automatic test system provided by the utility model can test the comprehensive controller loaded with multiple modules, has a wider test range, can realize data sharing and test data saving for automatic polarity check testing, improves test efficiency and facilitates fault analysis.

[0022] (3) the automatic test system provided by the utility model communicates with the integrated control system / integrated controller through CAN, RS422, RS232, 1553B, synchronous time and comprehensive control system, and one or two sets of integrated control system / integrated controller can be tested through two test interfaces, the conditioning board is adjusted, the voltage range is expanded, the integrated controller with multiple modules can be tested, the test range is wider, and the needs of multiple conditions can be met. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0024] Figure 1 A structure schematic diagram of an automatic test system provided by the embodiments of the present application is shown in the figure.

[0025] Figure 2 An internal arrangement schematic diagram of an automatic test instrument provided by the embodiments of the present application is shown in the figure.

[0026] Figure 3 An automatic polarity checking process schematic diagram of an automatic test system provided by the embodiments of the present application is shown in the figure.

[0027] Figure 4 A front view and a back view schematic diagram of an automatic test instrument provided by the embodiments of the present application is shown in the figure.

[0028] Figure 5 A 1553B test path schematic diagram of an automatic test instrument provided by the embodiments of the present application is shown in the figure.

[0029] REFERENCE NUMERALS

[0030] 101: automatic test instrument; 102: six-degree-of-freedom platform; 103: image data polarity checking device. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the utility model more clear and obvious, the utility model will be further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as there is no conflict between them.

[0032] The terms "first", "second", "third", and the like in the description and in the claims of the present application and above-described drawings are used for distinguishing between similar objects, not for describing a particular sequential order. The terms "comprises", "comprising", "includes", "including" and the like are synonymous with the term "comprising", and are used in the sense of "including, but not limited to". For example, a process, method, object, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements, but can include additional steps or elements not expressly listed or inherent to such process, method, object, or apparatus.

[0033] Figure 1 is a schematic structural diagram of an automatic test system provided by an embodiment of the present application, comprising:

[0034] an automatic test instrument 101, a six-degree-of-freedom platform 102, an image data polarity checking device 103, and a TDM system;

[0035] The automatic test instrument is connected with the six-degree-of-freedom platform; the automatic test instrument is connected with the image data polarity checking device; and the automatic test instrument is connected with the TDM system.

[0036] Specifically, the automatic test instrument 101 is connected with the six-degree-of-freedom platform 102 through a network cable, controls the six-degree-of-freedom platform 102 to drive a comprehensive controller to complete a polarity checking test process; the automatic test instrument 101 is connected with the image data polarity checking device 103 through a network cable, identifies the action and deflection direction of the comprehensive controller based on image visual technology; the automatic test instrument 101 is connected with the TDM system through a network cable, automatically uploads test results to the TDM system according to a first frequency; and the automatic test instrument 101 is connected with the comprehensive controller through a cable, and the test object of the present application can be a comprehensive control system to be tested or a comprehensive controller to be tested.

[0037] The automatic test instrument 101 is connected with the six-degree-of-freedom platform 102 through a network cable, can send a control instruction to the six-degree-of-freedom platform 102, and the six-degree-of-freedom platform 102 makes a corresponding action after receiving the control instruction; the automatic test instrument 101 is connected with the image data polarity checking device 103 through a network cable, can shoot a rudder piece deflection picture, and judge whether the deflection direction of the rudder piece is same as the deflection direction polarity of the comprehensive controller to be tested; the automatic test instrument 101 is connected with the TDM system through a network cable, can realize information collection of a background system, realize data sharing, and facilitate fault analysis and fault diagnosis; and the automatic test instrument 101 is connected with the comprehensive controller to be tested through a cable, and can be used for testing the comprehensive controller to be tested.

[0038] The automatic test system provided by the utility model can test the comprehensive controller with multiple modules, has a wider test range, can realize data sharing and test data storage for automatic polarity check test, improves test efficiency and facilitates fault analysis.

[0039] Optionally, the automatic test system provided by the utility model embodiment comprises a KVM, an adapter, a main controller, a first program-controlled power supply and a second program-controlled power supply.

[0040] The adapter is connected with the first program-controlled power supply and the second program-controlled power supply, the main controller is connected with the first program-controlled power supply and the second program-controlled power supply, and the KVM is connected with the main controller.

[0041] The main controller has multiple PCI / PCIe function board card slots, into which digital quantity function board cards, analog quantity function board cards, serial port function board cards, CAN function board cards, 1553B function board cards and synchronous time function board cards are respectively inserted.

[0042] Specifically, the cabinet is a structural main body part of the automatic test instrument 101, and some components such as two program-controlled direct current power supplies, a main controller, an adapter and a KVM are sequentially installed on the cabinet to constitute the automatic test instrument 101 as a whole. Figure 2

[0043] The first program-controlled power supply and the second program-controlled power supply are two program-controlled direct current power supplies, are connected with the main controller through a serial port connection cable to realize serial port communication, and are controlled by the main controller through serial port communication; and are connected with the adapter through a power supply power cable.

[0044] The automatic test system provided by the utility model can test the comprehensive controller with multiple modules, has a wider test range, can realize data sharing and test data storage for automatic polarity check test, improves test efficiency and facilitates fault analysis.

[0045] Optionally, the automatic test system provided by the utility model embodiment comprises a signal conditioning board, a connection cable connected with a function board card, a test switching cable and an indicator lamp connection cable.

[0046] The signal conditioning board is connected with the function board card through the connection cable connected with the function board card, the test switching cable is connected with a comprehensive test cable, the comprehensive test cable is connected with a comprehensive controller to be tested, and the signal conditioning board is connected with an indicator lamp through the indicator lamp connection cable.

[0047] ​Specifically, the adapter comprises a case, a signal conditioning board, a connection cable connected with a functional board card, a test switching cable, a connection cable of an indicator light and the like, wherein the case is a structural main body part of the adapter, used for mounting the signal conditioning board, mounting the test switching cable, connecting a comprehensive test test cable for testing; wherein the board card connection cable is used for connecting a PCI board card plugged on a host controller with a corresponding connector on the signal conditioning board, so as to make the board card signal clear and easy to understand, and facilitate troubleshooting; the connection cable signal adopts a one-to-one corresponding connection mode.

[0048] Optionally, the automatic test system provided in the embodiment of the utility model, KVM is display, keyboard, mouse integrated machine, and is connected with host controller.

[0049] Specifically, KVM is display, keyboard, mouse integrated machine, KVM can be installed at a position higher than the ground by 800mm, meeting the height required when a human body is generally operated, and realizing man-machine interaction by being connected with the host controller.

[0050] Optionally, the automatic test system provided in the embodiment of the utility model, the signal conditioning board comprises a relay circuit, an isolation amplification circuit and a signal level acquisition circuit.

[0051] The test switching cable leads out the independent signals of the two channels of the signal conditioning board respectively, and connects with the comprehensive test cable respectively.

[0052] Specifically, the signal conditioning board is the core part of the adapter, which mainly comprises a relay circuit, an isolation amplification circuit, a signal level acquisition circuit and an analog voltage acquisition circuit. The signal conditioning board divides all the board card I / O signals, CAN signals, serial port signals, AD signals, RT address bits into independent two channels, and divides the signals sent by the to-be-tested comprehensive control system / to-be-tested comprehensive controller into independent two channels. The signals of the two channels are independent of each other and do not interfere with each other, receive the test instructions sent by the host controller computer, and also acquire the signals sent by the to-be-tested comprehensive control system / to-be-tested comprehensive controller, and isolate, amplify and acquire the related signals; through the connection of the signal indicator light cable, the types of power-on (analog control power supply, analog aircraft power supply, analog steering engine power supply) in the test process can be identified.

[0053] The test switching cable leads out the independent signals of the two channels of the signal conditioning board, and can be connected with the comprehensive test cable to test one or two sets of to-be-tested comprehensive control systems / to-be-tested comprehensive controllers, and the test channels can be identified.

[0054] The indicator light connection cable is used for connecting the indicator light related signals on the signal conditioning board with the indicator light, so as to identify the types of power-on (analog control power supply, analog aircraft power supply, analog steering engine power supply) in the test process and the test channels.

[0055] Optionally, the automatic test system provided by the utility model, the 1553B function board card is connected with the coupler installed on the coupler mounting plate through the coaxial cable.

[0056] Specifically, as shown in Figure 4 , Figure 4 (a) is the front view of the automatic tester provided by the embodiment of the application, Figure 4 (b) is the back view of the automatic tester provided by the embodiment of the application, the 1553B function board card is directly inserted into the PCI / PCIe function board card slot of the main controller, and is connected with the coupler installed on the coupler mounting plate through the coaxial cable. The coupler mounting plate is located at the back of the automatic tester and is used for mounting the coupler. The coupler is externally mounted, and can be more flexibly connected with the coupler in the 1553B test path. When designing, the center conductor of the special plug connected with 1553A+ and 1553B+ is connected, the inner conductor of 1553A- and 1553B- is connected, and the shielding layer of the outer conductor is connected. In order to make the 1553B bus have better transmission characteristics, the two paths of the 1553B bus are respectively connected with four couplers, and the corresponding terminal matching resistors are matched. The 1553B board card in the tester is connected to the coupler through the 1553B cable, and is connected to the product through the twisted shielded wire from the SBUS end of the coupler.

[0057] Figure 5 The 1553B test path schematic diagram of the automatic tester provided by the embodiment of the application is shown in Figure 5 As shown, the 1553B function board card is connected with the STUB-J3 end of four couplers through the cable respectively, and is connected with the four couplers through the A0 channel, the B0 channel, the A1 channel and the B1 channel respectively, and the BUS-J1 end of each coupler is connected with the terminal resistor respectively. When the external product to be tested is connected with the automatic tester, the product can be connected with the 1553B coupler through the coupler. As shown in Figure 5 The product 1 is connected with the STUB-J4 end of two couplers through the A0 channel and the B0 channel respectively, and the BUS-J2 end of each coupler is connected with the terminal resistor. The BUS-J1 end of the two couplers is connected with the BUS-J2 end of the coupler connected with the A0 channel and the B0 channel on the function board card respectively. When the product 2 to be tested exists, the connection mode is similar to that of the product 1. In this way, the 1553B function board card can be connected with two products to be tested respectively, and two different products to be tested can be tested simultaneously.

[0058] Optionally, the automatic test system provided by the utility model, the automatic tester 101 is connected with the TDM system through the network cable, and the measurement result is automatically uploaded into the TDM system according to the preset frequency.

[0059] Specifically, the automatic tester 101 is connected with the TDM system through a network port, and test results are automatically uploaded to the TDM system according to a preset frequency, so that data sharing is realized, and fault analysis and fault diagnosis are facilitated. The preset frequency can be set according to actual requirements, and the application does not make a specific limitation on the frequency.

[0060] Optionally, the automatic test system provided in the embodiment of the utility model, first program control power supply and second program control power supply are connected with main control unit through serial port connection cable and carry out serial port communication, main control unit controls first program control power supply and second program control power supply through serial port communication;

[0061] First program control power supply and second program control power supply are connected with adapter through power supply cable, and power supply cable supplies power to signal conditioning board in adapter and to be tested integrated controller.

[0062] Specifically, first program control power supply and second program control power supply are connected with main control unit through serial port connection cable and carry out serial port communication, and main control unit controls two program control direct current power supplies through serial port communication. First program control power supply and second program control power supply are connected with adapter through power supply cable, and power supply cable provides voltage and current to signal conditioning board in adapter, and provides analog control power supply, analog carrier power supply and analog steering engine power supply to be tested integrated control system / be tested integrated controller.

[0063] Optionally, the automatic test system provided in the embodiment of the utility model, the test instrument power supply voltage range provided by the first program control power supply and the second program control power supply is 10V-34V.

[0064] Specifically, the test instrument power supply voltage range is expanded by adjusting the structure of the conditioning board.

[0065] Optionally, the automatic test system provided in the embodiment of the utility model, the main control unit is designed based on the standard PCI / PCIe bus specification and has multiple PCI / PCIe function board card slots.

[0066] Specifically, the main control unit is designed based on the standard PCI / PCIe bus specification and has multiple PCI / PCIe function board card slots. In the utility model, the PCI function board card used includes a digital quantity (I / O) function board card, a serial port board card, a CAN board card and an AD / IO function board card. The main control unit has multiple COM ports for communication with the program control direct current power supply, has a gigabit network port for information interaction with the six-degree-of-freedom platform 102, the image data polarity checking device 103 and the TDM system, and can control the six-degree-of-freedom platform 102 and the image data polarity checking device 103. The main control unit and the KVM are responsible for human-computer interaction, monitoring of the entire test process, analysis of test results, storage of test results, control of the program control direct current power supply, the adapter, the six-degree-of-freedom platform 102 and the image data polarity checking device 103.

[0067] Optionally, the automatic test system provided by the utility model, the function board card connecting cable is used for connecting the PCI board card on the host computer and the plug-in corresponding to the PCI board card on the host computer on the signal conditioning board.

[0068] Specifically, the function board card connecting cable is used for connecting the PCI board card plugged into the host computer and the corresponding plug-in on the signal conditioning board.

[0069] The automatic test system provided by the utility model communicates with the integrated control system to be tested / integrated controller to be tested through CAN, RS422, RS232, 1553B, synchronous time and waits for testing, and one or two sets of integrated control system to be tested / integrated controller to be tested can be tested through two test interfaces.

[0070] Based on the utility model, the automatic polarity test is carried out as shown in the figure. Figure 3 The process is as follows:

[0071] Start the automatic test instrument 101, start the six-degree-of-freedom platform 102 control software, the software defaults to enter the remote mode, after starting the image data polarity checking device 103, start the polarity checking test software, the automatic test instrument 101 supplies power to the integrated control system, makes the integrated control system self-check, and binds parameters to it, if normal, carries out MEMS navigation, after successful navigation, the test instrument supplies power to the integrated control system rudder, after successful power distribution, sends the polarity checking instruction to the integrated control system, starts the polarity checking test process, within a certain time range, which can be selected as 110s, sends positive and negative pitch, positive and negative yaw, positive and negative roll instructions to the six-degree-of-freedom platform 102 in time sequence, the six-degree-of-freedom platform 102 receives the instructions and completes the related actions, at this time, the camera of the image visual inspection device shoots the rudder piece deflection picture, and judges whether the rudder piece deflection direction and the platform action direction are consistent with the specified direction in real time, finally, the judgment result is fed back to the automatic test instrument 101, and the whole automatic polarity checking process is completed. If a fault is encountered in the above-mentioned link, the test instrument automatically powers off and ends the test. During the polarity checking process, automatic rotation is realized, intelligent judgment is realized, and the efficiency and accuracy of the test are greatly improved.

[0072] The above merely describes exemplary embodiments of the present disclosure, and cannot limit the scope of the present disclosure. Any equivalent changes and modifications made according to the teachings of the present disclosure are still within the scope of the present disclosure. Those skilled in the art will readily conceive of other implementations of the present disclosure upon considering the specification and practicing the disclosure herein. The present application is intended to cover any variations, uses, or adaptive changes of the present disclosure that follow the general principles of the present disclosure and include common knowledge or conventional technical means in the art that are not described in the present disclosure. The specification and examples are merely considered as exemplary, and the scope and spirit of the present disclosure are defined by the claims.

[0073] The technical features of the above embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above embodiments are described, but as long as the combinations of the technical features do not contradict, they should be considered within the scope of the present disclosure.

[0074] Those skilled in the art will readily understand that the above merely describes preferred embodiments of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic test system, characterized by, It comprises an automatic test instrument, a six-degree-of-freedom platform, an image visual polarity inspection device and a TDM system. The automatic test instrument is connected with the six-degree-of-freedom platform, the image data polarity inspection device and the TDM system. The automatic test instrument is composed of a KVM, an adapter, a main controller, a first programmable power supply and a second programmable power supply, which are installed on a cabinet. The adapter is connected with the first programmable power supply and the second programmable power supply, and the main controller is connected with the first programmable power supply and the second programmable power supply. The main controller has a plurality of PCI / PCIe function board card slots, which are respectively inserted with a digital quantity function board card, an analog quantity function board card, a serial port function board card, a CAN function board card, a 1553B function board card and a synchronous time function board card.

2. The automatic tester of claim 1 wherein, The adapter comprises a signal conditioning board, a connection cable connected with the function board card, a test switching cable and an indicator light connection cable. The signal conditioning board is connected with the function board card through the connection cable connected with the function board card, the test switching cable is connected with a comprehensive test cable, the comprehensive test cable is connected with a comprehensive controller to be tested, and the signal conditioning board is connected with an indicator light through the indicator light connection cable.

3. The automatic tester of claim 1 wherein, The KVM is a display, keyboard and mouse integrated machine connected with the main controller.

4. The automatic test system of claim 2, wherein, The signal conditioning board comprises a relay circuit, an isolation amplification circuit and a signal level acquisition circuit. The test switching cable separately leads out the independent signals of the signal conditioning board divided into two channels and is connected with the comprehensive test cable.

5. The automatic test system of claim 1, wherein, The 1553B function board card is connected with a coupler installed on a coupler mounting plate through a coaxial cable.

6. The automatic test system of claim 1, wherein The first programmable power supply and the second programmable power supply perform serial port communication with the main controller through a serial port connection cable, and the main controller controls the first programmable power supply and the second programmable power supply through serial port communication. The first programmable power supply and the second programmable power supply are connected with the adapter through a power supply cable to supply power to the signal conditioning board in the adapter and to the comprehensive controller.

7. The automatic test system of claim 1, wherein The test instrument power supply voltage provided by the first programmable power supply and the second programmable power supply ranges from 10V to 34V.

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