An accelerometer tester

Abstract

The application discloses an accelerometer tester, which comprises an industrial control computer, a high-precision voltage measurement module, a high-precision frequency measurement module, a multiplexing switch module, a DSP signal processing module and a multi-channel synchronous AD conversion module which are integrally arranged in the industrial control computer, an intelligent serial port server which is connected with the industrial control computer and a connector, a multi-channel acquisition card aviation plug interface which is connected with the connector, a power unit and a DSP signal processing module which is used for operation processing of real-time collected acceleration sensor signals and control of peripheral equipment. The hardware platform can control and monitor the state of environmental load equipment such as a centrifuge, a dividing head and a temperature box, simultaneously supplies power for the sensor, realizes collection and storage of sensor data, realizes real-time processing of sensor signals based on the hardware platform and realizes test and evaluation of the acceleration sensor.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sensor testing, in particular to an accelerometer tester. BACKGROUND

[0002] Acceleration sensor refers to a sensor capable of measuring acceleration. At present, acceleration sensors have been widely used in military, aerospace, geodetic survey and industrial control fields. Various characteristics of acceleration sensors directly affect their performance, including scale factor, bias, threshold, resolution and dead zone, etc. Therefore, acceleration sensors need to be tested and calibrated before they are shipped. However, the existing acceleration sensor testing device can only test a certain type of acceleration sensor, and cannot meet the performance optimization testing requirements of multiple sensors.

[0003] Therefore, there is an urgent need to provide an accelerometer tester which can be used to test multiple acceleration sensors and perform multiple performance tests for a long time. SUMMARY

[0004] To solve the above technical problems, the technical solution adopted by the present application is to provide an accelerometer tester, comprising:

[0005] An industrial control computer, wherein a high-precision voltage measurement module, a high-precision frequency measurement module, a multiplexing switch module, a DSP signal processing module and a multi-channel synchronous AD conversion module are integrated in the industrial control computer;

[0006] An intelligent serial port server connected with the industrial control computer and the connector, respectively, for data acquisition of the acceleration sensor to be tested, and control of centrifuges, index heads, temperature boxes and other equipment according to the control signal of the industrial control computer operation result;

[0007] A multi-channel acquisition card aviation interface connected with the connector for connecting centrifuges, index heads, temperature boxes and acceleration sensors to be tested;

[0008] A power supply unit connected with the industrial control computer, the intelligent serial port server and the connector for supplying power to the industrial control computer, the intelligent serial port server and the connector;

[0009] A high-precision voltage measurement module for high-precision measurement of the acceleration sensor output voltage signal;

[0010] A high-precision frequency measurement module for measuring the frequency signal output by the acceleration sensor mode;

[0011] A DSP signal processing module for real-time acquisition and processing of acceleration sensor signals and control of peripheral devices;

[0012] The acceleration sensor to be tested is connected through a multi-channel acquisition card aviation interface, the intelligent serial server collects the acceleration sensor signal to be tested and transmits it to an industrial control computer, the DSP signal processing module processes and calculates the signal, the high-precision voltage measurement module and the high-precision frequency measurement module also work according to the corresponding signal, finally, the intelligent serial server controls the centrifuge, the index head, the temperature box and other equipment according to the control signal generated by the industrial control computer.

[0013] In the above scheme, a display, a keyboard, a mouse and a printer connected with the industrial control computer are further arranged.

[0014] In the above scheme, the high-precision voltage measurement module, the high-precision frequency measurement module, the multiplexing switch module, the DSP signal processing module and the multi-channel synchronous AD conversion module are all in a standard bus mode and are installed in the industrial control computer through a PCI bus, and the industrial control computer, the program-controlled power supply module, the intelligent serial server, the display and the computer peripherals are respectively installed on a standard industrial cabinet.

[0015] In the above scheme, an industrial cabinet is further arranged.

[0016] The industrial control computer, the intelligent serial server, the multi-channel acquisition card aviation interface, the power supply unit and the computer peripherals are all arranged on the industrial cabinet through cables and interfaces.

[0017] The display is inlaid in the front panel of the industrial cabinet, the keyboard and the mouse are arranged in a drawer, and the system operation conforms to the ergonomic design; the inside of the cabinet is used for installing the industrial control computer and desktop instruments; the bottom of the cabinet is provided with a roller, a test interface is led out from the back of the cabinet through a test cable, and the back of the cabinet is an external interface.

[0018] In the above scheme, the front panel of the industrial cabinet is sequentially provided from top to bottom with a display, a switch and an indicator light panel, a multimeter interface, a keyboard and mouse drawer, an industrial control computer, an intelligent serial server, a power supply unit and a signal routing box.

[0019] In the above scheme, the industrial cabinet is further provided with an empty panel and an idle drawer.

[0020] In the above scheme, the industrial control computer is composed of an industrial computer case and peripherals, and a plurality of modular instruments are installed in the industrial computer through a bus communication interface to realize the collection of sensor measurement values and the control of external devices.

[0021] The industrial control computer selects IPC-610 of Advantech, is installed in 4U cabinet, uses AIMB-705VG mainboard inside, includes five PCI slots and other commonly used interfaces, is equipped with dedicated shock-absorbing device, and built-in software and hardware watchdog.

[0022] In the above scheme, the centrifuge, index head, oven and other equipment are controlled by the device manufacturer in a serial bus control mode, and the bus types include RS232 and RS485.

[0023] The intelligent serial port service selects the The intelligent serial port service realizes the control of instrument and equipment and the acquisition of digital output sensor data.

[0024] In the above scheme, the DSP signal processing module adopts standard 3U design and is integrated in the industrial control computer case, each is connected with digitized sensor signal through wiring, realizes real-time operation processing of sensor signal through on-board DSP, and is transmitted to the computer for storage through PCI bus, and has multiple digital IO interfaces.

[0025] In the above scheme, the rear panel of the industrial cabinet is provided with serial port server, eight-channel acquisition card, switch module, timing counter and power supply plug-in interfaces connected with corresponding devices through cables.

[0026] The hardware platform can control and monitor the state of centrifuge, index head, oven and other environmental load equipment, supply power for sensors, realize sensor data acquisition and storage, realize real-time processing of sensor signals based on the hardware platform, and realize test and evaluation of acceleration sensors.

[0027] In addition, the multiple switch module in the application expands one high-precision voltage measurement module into multiple measurement modules, so that multiple acceleration sensors can be measured in one test, and the disadvantage that only one acceleration sensor can be measured at a time in the prior art is solved.

[0028] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, the content of the specification can be implemented, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following specific embodiments of the application are described. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the specific embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort based on these drawings.

[0030] Figure 1 The schematic diagram of the structure of the accelerometer tester provided by the present application is shown in the figure.

[0031] Figure 2 The schematic diagram of the panel setting of the accelerometer tester provided by the present application is shown in the figure.

[0032] Figure 3 The schematic diagram of the switch and indicator lamp panel provided by the present application is shown in the figure.

[0033] Figure 4 The schematic diagram of the application panel of the multimeter provided by the present application is shown in the figure.

[0034] Figure 5 The schematic diagram of the device connection provided by the present application is shown in the figure.

[0035] Figure 6 The schematic diagram of the electrical circuit connection provided by the present application is shown in the figure. DETAILED DESCRIPTION

[0036] The technical solutions of the present application will be described clearly and completely below in combination with the embodiments. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort belong to the scope of protection of the present application.

[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0038] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or any priority. Thus, features with a "first", "second", "third" designation can include one or more of the features so designated. In the description of the present application, the meaning of "a plurality" is two or more, unless expressly specified otherwise. In addition, the terms "mount", "connected", "connecting" should be construed broadly, for example, can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] The present application will be described in detail below with reference to specific embodiments and the accompanying drawings.

[0040] According to the embodiments of the present application, an accelerometer tester is provided, as shown in the accompanying drawings. Figure 1 The accelerometer tester according to the embodiments of the present application comprises:

[0041] An industrial control computer is configured to perform operation processing on the received sensor signals, and output and store the operation results.

[0042] An intelligent serial port server is connected with the industrial control computer and the connector, and is configured to collect data of the acceleration sensor to be tested, and control the centrifuge, the temperature box and other devices according to the control signal of the operation results of the industrial control computer.

[0043] A multi-channel acquisition card is connected with the connector, and is configured to access the centrifuge, the indexing head, the temperature box and other devices, and the acceleration sensor to be tested. Specifically, the centrifuge and the temperature box can be implemented by, but are not limited to, a TBL-SC0101-A small centrifuge with temperature control box, and the indexing head can be implemented by a model FDW-1A indexing head with temperature control box.

[0044] A power supply unit is connected with the industrial control computer, the intelligent serial port server and the connector, and is configured to supply power to the industrial control computer, the intelligent serial port server and the connector.

[0045] The industrial control computer is integrated with a high-precision voltage measurement module, a high-precision frequency measurement module, a multiplexing switch module, a DSP signal processing module and a multi-channel synchronous AD conversion module.

[0046] The high-precision voltage measurement module is configured to implement high-precision measurement of the voltage signal output by the acceleration sensor.

[0047] A high-precision frequency measurement module is used to measure the frequency signal output by the acceleration sensor mode;

[0048] A DSP signal processing module is used to process the acceleration sensor signals collected in real time and control the peripheral devices.

[0049] In this embodiment, the acceleration sensor to be tested is connected through the multi-channel acquisition card and the smart serial server collects the acceleration sensor signal and transmits it to the industrial control computer. The DSP signal processing module processes the signal, and the high-precision voltage measurement module and the high-precision frequency measurement module also work according to the corresponding signal. Finally, the smart serial server controls the centrifuge, index head, and temperature box according to the control signal generated by the industrial control computer.

[0050] The hardware platform can control and monitor the state of the centrifuge, index head, and temperature box, and provide power for the sensor. It can also collect and store sensor data and realize real-time processing of sensor signals based on the hardware platform to test and evaluate the acceleration sensor.

[0051] In this embodiment, the multiplexing switch module is set to expand the high-precision voltage measurement module to multiple measurement modules. This allows multiple acceleration sensors to be measured in one test, solving the problem of measuring only one acceleration sensor at a time in the prior art.

[0052] In this embodiment, the display, keyboard, mouse, and printer connected to the industrial control computer are also provided.

[0053] In this embodiment, the high-precision voltage measurement module, high-precision frequency measurement module, multiplexing switch module, DSP signal processing module, and multi-channel synchronous AD conversion module are all in standard bus mode and installed in the industrial control computer through the PCI bus. The industrial control computer, program-controlled power module, smart serial server, display, and computer peripherals are installed in standard industrial cabinets.

[0054] The industrial control computer is preferably composed of an industrial control cabinet and peripherals, and is used for running an operating system and an accelerometer tester software system to complete performance test of the acceleration sensor, data storage and processing, report generation and printing and the like. Meanwhile, a plurality of modular instruments are installed in the industrial control computer through a bus communication interface to realize collection of the sensor measurement values and control of external devices. The industrial control computer selects the IPC-610 of Advantech. The industrial control computer of this model is installed in a 4U cabinet, uses the AIMB-705VG mainboard inside, provides five PCI slots and other commonly used rich interfaces, is provided with a dedicated shock-absorbing device, has good anti-shock capability, is provided with a software and hardware watchdog inside, and can guarantee long-term reliable operation of the system.

[0055] The high-precision voltage measurement module is preferably used for high-precision measurement of the output voltage signal of the accelerometer sensor, and selects the modular instrument-PCI-4070 digital multimeter device of the NI Company of the United States. The PCI-4070 is a high-performance digital multimeter, and can provide measurement functions of two commonly used test instruments: a high-resolution digital multimeter and a digitizer. As the DMM, the PCI-4070 can provide fast and accurate AC / DC voltage, AC / DC current, 2-wire or 4-wire resistance, frequency / period measurement and diode test. In the high-voltage isolated digitizer mode, the PCI-4070 can collect waveforms at a sampling rate of 1.8 MS / s.

[0056] The high-precision frequency measurement module preferably uses the PCI-6602 timer / counter module of the NI Company. The NI PCI-6602 performs counter timing tasks in a desktop system, such as encoder position measurement, event counting, period measurement, pulse width measurement, pulse (pulse train) measurement and generation and frequency measurement. It has eight counters / timers, a digital de-bounce filter and TTL / CMOS compatible digital I / O. The PCI-6602 can simultaneously perform three-way high-speed DMA transmission. The device can provide digital de-bounce filtering, high-speed DMA transmission and isolation.

[0057] The multiplexing switch module is preferably used for measurement of a plurality of sensors in one test. The Pickring 50-635A-106 multiplexing switch module is selected, which provides a high-density 2-group 8-channel double-blade multiplexing switch, has two groups of 8:1 switch modes, allows measurement of a voltage of 300 VADC / 250 VAC at most, allows a maximum current of 2A to pass, has a maximum power of 60W, provides standard VISA, IVI and kernel drivers for windows, can be perfectly compatible with LabVIEW, and is very suitable for signal routing applications in automatic test and data collection systems.

[0058] The embodiment is preferably, in order to meet the accuracy and range requirements, multi-channel synchronous AD conversion module is realized by using the PCI-4472 vibration and noise measurement module of NI company, which is specially designed for sound and vibration applications. The input channel integrates the integrated electronic piezoelectric (IEPE) signal conditioning function for accelerometer and microphone, and has a built-in anti-aliasing filter, which can automatically adjust the sampling rate. The 8 input channels of PCI-4472 can simultaneously digitize the input signal. The software configurable AC / DC coupling, anti-aliasing filter and IEPE conditioning ensure accurate measurement combined with microphones, accelerometers and other sensors with large dynamic range.

[0059] The embodiment is preferably, the power supply unit selects a programmable power supply module, and a high-precision linear regulated power supply is used to supply power to non-IEPE sensors. The power supply model is IT6300 series, which is a high-performance programmable three-way DC power supply. The output voltage and current of each channel can be set from 0 to the maximum rated output value. This series provides series, parallel and synchronization functions of channels, which can provide customers with a multi-purpose solution for testing. This series has a high resolution of 1mV / 1mA, high precision and high stability, and is equipped with a remote measurement function to make the test more accurate. The built-in standard USB / RS232 / GPIB communication interface greatly improves the communication speed, and customers can also use the cursor to adjust the digital step value for easy operation.

[0060] The embodiment is preferably, the intelligent serial port server is used to realize the control of centrifuges, index heads, temperature boxes and other equipment inside the laboratory, and the data acquisition of digital output type accelerometer sensors.

[0061] The centrifuges, index heads, temperature boxes and other equipment adopt serial bus control mode integrated by equipment manufacturers, and the bus types are RS232 and RS485. The digital output accelerometer sensors commonly used are mainly two types of RS232 and RS422. In order to meet the needs of instrument control and sensor acquisition, the serial port server of MOXA company is selected. The intelligent serial port service realizes the control of instruments and equipment and the acquisition of digital output sensor data, The rack-mounted series can centrally manage serial port devices and distribute the management of host computers through the network, which is helpful for future network expansion. The front panel of the device server is equipped with serial port Tx / Rx LED lights, and the rear panel is equipped with 8 or 16 RJ45 serial port connectors, which are suitable for standard 19-inch racks, simplifying operation, maintenance and management. Through the Real COM / TTY driver, RTS, CTS, DTR, DSR and DCD control signals are supported. The 5650-8 / 16 device networking server bottom panel is equipped with four groups of DIP switches, which facilitate setting of terminal resistance and pull-up / pull-down resistance to eliminate reflection of serial port signals.

[0062] In order to ensure real-time performance of sensor signal processing and real-time performance of motion state control of the peripheral device, the project adds a DSP signal processing module. The module is used for real-time signal processing of the accelerometer and control of the peripheral device. The module adopts a standard 3U design and is integrated in an industrial control computer case. Each part is connected with the digitized sensor signal through a wire, and the real-time operation and processing of the sensor signal are realized through the on-board DSP, and then the signal is transmitted to the computer for storage through the PCI bus. Meanwhile, the module has a multi-channel digital IO interface for controlling the state of the peripheral device.

[0063] In the embodiment, as shown in Figures 2-6 In order to realize device integration, an industrial cabinet is further provided. All the modules are arranged on the industrial cabinet through cables and interfaces. The industrial cabinet adopts a 19-inch cabinet form design and adopts a standing operation mode. The display is inlaid in the front panel of the cabinet, and the keyboard and mouse are obtained through a drawer. The system operation conforms to the ergonomic design. The inside of the cabinet is a standard 19-inch shelf structure for mounting an industrial control computer and a desktop instrument device. The bottom of the cabinet is provided with a roller for facilitating system movement. The test interface is led out from the back of the cabinet through a test cable. The back of the cabinet is an external interface, and the heavy-duty connector is connected with an external junction box of the cabinet.

[0064] In the embodiment, as shown in Figure 2 As shown in the overall structure diagram of the accelerometer tester provided in the embodiment, the front panel of the industrial cabinet is sequentially provided from top to bottom with a display, a switch and indicator light panel, a multimeter interface, a keyboard and mouse drawer, an industrial control computer, an intelligent serial port server, a power unit, and a signal routing box.

[0065] The industrial cabinet is further provided with a blank panel and an idle drawer for facilitating expansion design according to the demand of the device.

[0066] As shown in Figure 3 As shown in the switch and indicator light panel schematic diagram provided in the embodiment, an emergency stop button 1, a power supply switch 2, a start button 3, a power supply indicator 4, a power supply indicator 5, and a working indicator 6 are arranged.

[0067] In the embodiment, the rear panel of the industrial cabinet is provided with a serial port server interface, an eight-channel acquisition card interface, a switch module interface, a timing counter interface, and a power supply interface which are respectively connected with corresponding devices through cables.

[0068] In the embodiment, the device connection relationship diagram and the electrical circuit connection schematic diagram are as shown inFigure 5 、 Figure 6

[0069] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program. The computer program can be stored in a non-volatile computer readable storage medium, and when the computer program is executed, the processes of the above-mentioned embodiments of the methods can be included. Any reference to memory, storage, databases, or other media in this application can include non-volatile and / or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration but not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0070] Each of the embodiments in the specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other. Each embodiment focuses on the difference from other embodiments. In particular, for the device or system embodiments, since they are basically similar to the method embodiments, they are described more simply, and the relevant parts can be referred to the part of the method embodiments. The above-described device and system embodiments are only illustrative, and the units described as separate components can be or can not be physically separated, and the components displayed as units can be or can not be physical units, that is, they can be located in one place, or can be distributed on multiple network units. Part or all of the modules can be selected according to actual needs to achieve the purpose of the embodiment scheme. Those skilled in the art can understand and implement without creative labor.

[0071] ​It has to be noted that, in the present document, relational terms are intended only to convey a possible relationship between elements or

[0072] The foregoing is considered as illustrative only of the principles of the application. Numerous modifications and changes will readily occur to those skilled in the art, which modifications and changes are to be understood as intended to be encompassed by the general scope of the application. Accordingly, the application is not to be limited to the above described or illustrated embodiments, but is intended to encompass all embodiments consistent with the principles of the application.

Claims

1. An accelerometer tester characterized by, The application relates to an acceleration sensor test system. The acceleration sensor test system comprises an industrial control computer, a smart serial port server, a connector, a power unit, a high-precision voltage measurement module, a high-precision frequency measurement module, a multiplexing switch module, a DSP signal processing module and a multi-channel synchronous AD conversion module. The smart serial port server is connected with the industrial control computer and the connector respectively, and is used for collecting data of a to-be-tested acceleration sensor and controlling a centrifuge, a dividing head and a temperature box according to a control signal of an operation result of the industrial control computer. The multi-channel acquisition card aviation plug interface is connected with the connector, and is used for connecting the centrifuge, the dividing head, the temperature box and the to-be-tested acceleration sensor. The power unit is connected with the industrial control computer, the smart serial port server and the connector respectively, and supplies power for the industrial control computer, the smart serial port server and the connector. The high-precision voltage measurement module is used for realizing high-precision measurement of an output voltage signal of the acceleration sensor. The high-precision frequency measurement module is used for measuring a frequency signal output by the acceleration sensor. The DSP signal processing module is used for performing operation processing on the real-time collected acceleration sensor signal and controlling peripheral equipment. The to-be-tested acceleration sensor is connected through the multi-channel acquisition card aviation plug interface, the smart serial port server collects the to-be-tested acceleration sensor signal and transmits the to-be-tested acceleration sensor signal to the industrial control computer, the DSP signal processing module processes the signal, the high-precision voltage measurement module and the high-precision frequency measurement module also work according to the corresponding signal, and the smart serial port server controls the centrifuge, the dividing head and the temperature box according to the control signal generated by the operation result of the industrial control computer.

2. The accelerometer tester of claim 1, wherein, A display, a keyboard, a mouse and a printer connected with the industrial control computer are further arranged.

3. The accelerometer tester of claim 1, wherein, The high-precision voltage measurement module, the high-precision frequency measurement module, the multiplexing switch module, the DSP signal processing module and the multi-channel synchronous AD conversion module adopt a standard bus mode, are installed in the industrial control computer through a PCI bus, and the industrial control computer, the power unit, the smart serial port server, the display and computer peripherals are respectively installed on a standard industrial cabinet.

4. The accelerometer tester of claim 2, wherein, An industrial cabinet is further arranged. The industrial control computer, the smart serial port server, the multi-channel acquisition card aviation plug interface, the power unit and the computer peripherals are arranged on the industrial cabinet through cables and interfaces. The display is inlaid on a front panel of the industrial cabinet, the keyboard and the mouse are arranged in a drawer, and system operation conforms to ergonomics design; an internal part of the cabinet is used for installing the industrial control computer and desktop instrument equipment; a bottom part of the cabinet is provided with a roller, a test interface is led out from the rear of the cabinet through a test cable, and the rear of the cabinet is an external interface.

5. The accelerometer tester of claim 4, wherein, The front panel of the cabinet is sequentially provided with the display, a switch and an indicator light panel, a multimeter interface, a keyboard and mouse drawer, the industrial control computer, the smart serial port server, the power unit, a signal routing box and so on from top to bottom.

6. The accelerometer tester of claim 4, wherein, An empty panel and an idle drawer are further arranged on the cabinet.

7. The accelerometer tester of claim 1, wherein, The industrial control computer is composed of an industrial computer box and peripherals, and a plurality of modular instruments are installed in the industrial computer through a bus communication interface, so that the collection of sensor measurement values and the control of external equipment are realized. The industrial control computer is selected IPC-610 of Advantech, is installed in 4U cabinet, uses AIMB-705VG mainboard inside, includes five PCI slots and other commonly used interfaces, is equipped with dedicated shock-absorbing device, and built-in software and hardware watchdog.

8. The accelerometer tester of claim 1, wherein, The centrifuge, the oven device adopt TBL-SC0101-A with temperature control box small centrifuge, the index head adopts type FDW-1A with temperature control box electric index head / lying shaft position rate turntable; The centrifuge, the index head, the oven device adopt serial bus control mode and are integrated control by equipment manufacturer, and the bus type has RS232, RS485; The intelligent serial port server selects NPort of MOXA company 5600 intelligent serial port server and realizes the control of instrument equipment and the acquisition of digital output sensor data.

9. The accelerometer tester of claim 1, wherein, The DSP signal processing module adopts standard 3U design, is integrated in the industrial control computer case, is connected with the digitized sensor signal through wiring every part, realizes real-time operation processing of sensor signal through on-board DSP, is stored in computer again through PCI bus transmission, and has multiway digital IO interface.

10. The accelerometer tester of claim 4, wherein, The serial port server interface, eight channel acquisition card interface, switch module interface, timing counter interface and power supply interface that are connected with corresponding equipment through cable are arranged on the back panel of the industrial cabinet.

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