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54results about How to "Implement functional testing" patented technology

Millimeter wave radar testing system and method for vehicle

The invention discloses a millimeter wave radar testing system and method for a vehicle. The system comprises a microwave darkroom, a transmitting and receiving antenna, a transmitting antenna, a radar target echo simulating device, a road electromagnetic environment simulating device and a controller, wherein the transmitting and receiving antenna and the transmitting antenna are arranged in themicrowave darkroom, the radar target echo simulating device, the road electromagnetic environment simulating device and the controller are located outside the microwave darkroom; a darkroom door is arranged on the microwave darkroom, a preset mark is arranged in a common radiation range of the transmitting and receiving antenna and the transmitting antenna, the transmitting and receiving antenna is connected with the radar target echo simulating device, and the transmitting antenna is connected with the road electromagnetic environment simulating device. According to the millimeter wave radartesting system for the vehicle disclosed by the embodiment of the invention, the accuracy and the reliability of millimeter wave radar for the vehicle during use on the actual road can be verified, and data support is provided for the design of anti-interference performance of the millimeter wave radar for the vehicle.
Owner:BEIJING RUNKE GENERAL TECH

Circuit board function test device

The invention discloses a circuit board function test device. The circuit board function test device comprises a main support framework, a tray assembly, a tray limit assembly, a needle bed board assembly, a crimping board assembly, an automatic crimping mechanism and a test bottom board assembly, wherein the main support framework comprises a base board and a support framework connected with thebase board, a lower portion of the support framework is connected with a platform board, a tray of the tray assembly can move on the platform board, the tray limit assembly is used for realizing the limit effect, the needle bed board assembly is connected with the tray, a tested circuit board is mounted on a needle bed board, a crimping board is arranged above the tested circuit board and is connected with an upper end of the automatic crimping mechanism, a lower end of the automatic crimping mechanism is fixed on the platform board, and the test bottom board assembly is arranged below the platform board and is fixed on the base board. A test bottom board of the test bottom board assembly is connected with a power source board, a test circuit board and a wiring terminal seat, the test bottom board is electrically connected with the tested circuit board through the wiring terminal seat and a connection lead, and functional tests on circuit boards in multiple types of model specifications can be carried out.
Owner:WASION GROUP HLDG

Automobile driving simulator test system and control method

The invention discloses an automobile driving simulator test system and a control method. the automobile driving simulator test system comprises a driving simulator control machine cabinet, a drivingsimulator display module and a driving simulator driving operation device which are connected with one another, wherein the driving simulator control machine cabinet comprises a vehicle control unit VCU, a 24 V vehicle control unit VCU, a 12 V vehicle control unit VCU, a lamplight display unit, a switch control unit, a chassis control unit and an RCP control unit which are connected with one another. The control method comprises the steps of: step 1, compiling a test scheme according to test requirements of a tested control strategy; step 2, injecting the tested control strategy; step 3, selecting an environment of a test system; step 4, and executing a test. The automobile driving simulator test system and the control method have the superior effects of being capable of realizing the analysis test of driver behaviors and function tests of the vehicle control strategy, improving the development efficiency of a power assembly and shortening a development cycle, and have the advantages of simple and effective test method as well as real and valid data.
Owner:NANJING YUEBOO POWER SYST CO LTD

Avionics test system

The embodiment of the present application discloses an avionics test system. The device comprises a tested device, a test platform, and a signal transmission channel control device. The signal transmission channel control device is connected with the tested device through a tested device interface and is connected with the test platform through a test platform interface, the signal transmission channel control device comprises at least two wiring matrix boards, a resource connector, and a signal transmission channel control unit, wherein the wiring matrix board is provided with a loopback connector for connecting the at least two wiring matrix boards, the resource connector is connected with the test platform interface; the wiring matrix board is connected with the tested device interfacethrough a ribbon cable, the signal transmission channel control unit is used for controlling a signal transmission channel; and the test platform is used for providing test resources to implement functional test of the tested device. By adopting the above technical scheme, the signal transmission channel can be flexibly controlled, meanwhile, as the control operation is simple, low-level errors such as operation errors and the like can be prevented from influencing the accuracy of the test result.
Owner:BEIJING AERONAUTIC SCI & TECH RES INST OF COMAC +1

Optical digital relay protection testing instrument for intelligent transformer substation debugging

The invention discloses an optical digital relay protection testing instrument for intelligent transformer substation debugging. The optical digital relay protection testing instrument includes a switching quantity input module, an switching quantity output module, an optical fiber interface module, a small-signal output module, a DSP module, an FPGA module, a digital-to-analog conversion module, a FLASH module, an RAM module, a communication module, an HPI interface module and a PHY module; the DSP module is connected with the FPGA module through the HPI interface module; the FPGA module is connected with the FLASH module and the optical fiber interface module; the DSP module is connected with the RAM module; the FPGA module is connected with the communication module, the switching quantity input module and the switching quantity output module through the PHY module; and the DSP module is connected with the small-signal output module through the digital-to-analog conversion module. According to the optical digital relay protection testing instrument of the invention, based on the joint effects of the FPGA module, the DSP module, the optical fiber interface module and the like, optical signals of faults of a digital substation can be generated, so that functional testing of the relay protection device of the digital substation can be realized.
Owner:CHENGDU TESIENT INSTR

General type multichannel testing device for comprehensive functions of flexible printed circuit board (FPC)

The invention discloses a general type multichannel testing device for comprehensive functions of a flexible printed circuit board (FPC). The general type multichannel testing device comprises a multichannel selective switch board, a multichannel signal generator, a measuring unit, a single chip microcomputer processing module, a liquid crystal display and a computer. The multichannel selective switch board is connected with the multichannel signal generator and the measuring unit, the liquid crystal display is connected with the multichannel signal generator and the measuring unit through the single chip microcomputer processing module, the computer is connected with the single chip microcomputer processing module through an RS232 serial port and a USB communication interface, and the computer is provided with software and package testing projects. The general type multichannel testing device achieves function test of all elements of the FPC. Due to the fact that the computer is provided with the software and the package testing projects, FPC test becomes general, and a worker in site can change testing step parameters to enable the general type multichannel testing device to be adaptable to type change. The general type multichannel testing device shortens a developing period, is convenient to maintain and improves the test covering rate, accuracy and stability.
Owner:苏州至研测控科技有限公司

Interlocking simulation model design method applied to urban rail and interlocking simulation model

The invention provides an interlocking simulation model design method applied to an urban rail and an interlocking simulation model, the method is realized through the interlocking simulation model, the interlocking simulation model comprises an interlocking logic operation module, a station yard equipment information maintenance module, an application information processing module and a network communication module, and the method comprises the following steps: through the interlocking logic operation module, calculating a route selection result according to the route selection instruction and the current equipment state; updating the current equipment state of the station equipment through a station equipment information maintenance module according to the calculation result of the interlocking logic operation module; obtaining first application data through an application information processing module according to the current equipment state of the station equipment in a station equipment information maintenance module; and sending the first application data to the vehicle-mounted equipment and the regional control center through the network communication module. According to the method, the function test of the urban rail train control system is realized through the interlocking simulation model, real interlocking equipment is not needed, and the test cost is reduced.
Owner:通号城市轨道交通技术有限公司

Quantum-encryption-type video monitoring system used for intelligent ad hoc network communication

The invention belongs to the field of network video surveillance, and particularly relates to a quantum-encryption-type video monitoring system used for intelligent ad hoc network communication. The system includes panoramic cloud platform and control systems and intelligent ad hoc network communication terminal equipment. The panoramic cloud platform and control systems are connected with the intelligent ad hoc network communication terminal equipment through network interfaces. The intelligent ad hoc network communication terminal equipment uses a wireless Mesh network to realize two-way communication with other intelligent ad hoc network communication terminal equipment and a monitoring center, and thus transmits panoramic video data through the wireless Mesh network. The intelligent adhoc network communication terminal equipment uses quantum keys for encryption, cooperates with the wireless Mesh network to realize double encryption, sets maximum values of connection point numbersand maximum values of data transmission traffic, and can carry out automatic re-connection when the connection point numbers or the data transmission traffic exceeds the maximum values. Panoramic video splicing systems are integrated in the intelligent ad hoc network communication terminal equipment, and collected panoramic video information can be processed and compressed.
Owner:喀什安德光电科技有限公司

Self-adaptation intelligent power grid substation relay protection tester

The invention discloses a self-adaptation intelligent power grid substation relay protection tester. The tester comprises a switching value input module, a switching value output module, an optical fiber interface module, a small signal output module, a DSP module, an FPGA module, a digital-analog conversion module, a FLASH module, an RAM module, a communication module, an HPI interface module and a PHY module. The tester further comprises a self-adaptation circuit connected with the switching value input module, the DSP module is connected with the FPGA module through the HPI interface module, the FPGA module and the FLASH module are connected with the optical fiber interface module, the DSP module is connected with the RAM module, the FPGA module is further connected with the communication module, the switching value input module and the switching value output module through the PHY module, and the DSP module is connected with the small signal output module through the digital-analog conversion module. The tester is based on the self-adaptation circuit so that the tester can self adapt to active or passive switching value input, switching value forms of various types can be received, configuration is not needed in advance, operation steps are reduced, and safe and stable operation of the relay protection tester is guaranteed.
Owner:CHENGDU TESIENT INSTR

Full-automatic chip testing machine

The invention discloses a full-automatic chip testing machine which comprises a first machine table, a second machine table and a third machine table, the second machine table and the third machine table are arranged in parallel, the second machine table and the third machine table are vertically connected to the first machine table, mounting supports are arranged on the second machine table and the third machine table, a plurality of testing mechanism mounting layers are arranged on the mounting supports, and the testing mechanism mounting layers are arranged on the testing mechanism mounting layers. A plurality of testing mechanisms are arranged on each testing mechanism mounting layer at intervals, and transfer feeding and transplanting manipulators are arranged on the corresponding sides of the second machine table and the third machine table. According to the invention, a full-automatic test mode of batch chips is adopted, a plurality of chips can be tested at the same time, and the test efficiency is improved. The test mechanism can realize the function test of the chip in a high and low temperature environment, and the test accuracy is improved. According to the automatic sorting device, qualified products and NG products can be sorted and respectively loaded on the NG product tray and the OK product tray to be collected, then the trays filled with chips can be carried out, and empty trays are supplemented to corresponding conveying lines.
Owner:GUANGDONG DONGBO AUTOMATION EQUIP CO LTD

Test system and method based on electric vehicle charging

The invention discloses a test system and method based on electric vehicle charging, and the system comprises an industrial personal computer; the high-voltage direct-current power supply, the high-voltage direct-current load, the low-voltage direct-current power supply, the low-voltage direct-current load, the alternating-current power supply, the signal simulator, the CAN communication equipment and the data acquisition equipment are connected with the industrial personal computer; the test equipment is respectively connected with the to-be-tested product; the to-be-tested product at least comprises a vehicle-mounted charger integrated DCDC assembly. According to the technical scheme provided by the embodiment of the invention, function testing can be carried out on various products including the vehicle-mounted charger integrated DCDC assembly, the problems that in the prior art, the testing product and the testing mode are single, and various different working conditions in actual use of an automobile cannot be covered are solved, various tested products can be compatible, various working modes are covered, and the testing efficiency is improved. The practicability of the test system provided by the embodiment of the invention is further improved, and large-scale popularization is facilitated.
Owner:CHINA FIRST AUTOMOBILE

Portable test launch control device suitable for spacecraft

The invention relates to a portable test launch control device suitable for a spacecraft, and relates to the technical field of spaceflight. The device comprises a man-machine interaction device, a main control board card and a measurement and control board card, the man-machine interaction device is used for sending an operation instruction input by an operator, test launch control software is configured on the main control board card, the test launch control software is provided with multiple control modules, and the control modules are used for receiving the operation instruction; the measurement and control board card is connected with the main control board card and the spacecraft; the measurement and control board card is used for receiving a control instruction issued by each control module according to the operation instruction and controlling the spacecraft to execute a corresponding action, and is further used for receiving feedback signals of the spacecraft, packaging the feedback signals and transmitting the feedback signals to the main control board card; and the man-machine interaction device is used for displaying the spacecraft state obtained according to the feedback signals. The portable test launch control device provided by the invention has outstanding reusability and universality.
Owner:THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD

FCT multifunctional matrix test board card

PendingCN113985260AMeet infinite scalabilityHigh-precision test equipment system integrationPrinted circuit testingEmbedded systemCommunication interface
The invention discloses an FCT multifunctional matrix test board card, which comprises a circuit board, a matrix structure I is integrated on the circuit board, the matrix structure I is composed of a plurality of groups of signal relays, each relay is provided with an independent control bit, and the upper half part and the lower half part of the matrix structure I are short-circuited through a 0 omega jumper wire to form a matrix structure II; a function test part circuit is integrated on the circuit board, a communication interface circuit is arranged on the circuit board, the communication interface circuit comprises an RS485 communication interface and a USB communication interface, and the RS485 communication interface and the USB communication interface are respectively composed of a communication interface chip U29 and a communication interface chip U30; a core signal driving circuit is integrated on the circuit board, and the core signal driving circuit is composed of a decoder CD74H C4514M and 12 UCN5800L driving chips. According to the invention, in a smaller board card size, an exquisite circuit and a detachable matrix structure are adopted, and multiple function tests are realized. And meanwhile, the requirements of infinitely extensible test channel number and high-precision test equipment system integration can be met.
Owner:苏州奥特美自动化技术有限公司
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