Integrated calibration device based on a PXI bus

Abstract

The application provides a kind of based on PXI bus's comprehensive calibration device, including PXI chassis, several measurement board cards and simulation board cards;PXI chassis includes industrial control processor, measurement board card slot and simulation board card slot connected with industrial control processor by PXI bus;Measurement board card slot inserts measurement board card;Simulation board card slot inserts simulation board card;Measurement board card is used to collect the first detection signal of corresponding sensor output to be calibrated, and after converting the first detection signal into first digital signal, it is uploaded to industrial control processor;Industrial control processor calibrates corresponding sensor to be calibrated according to first digital signal, the standard value corresponding to first detection signal, also controls simulation board card to generate corresponding standard simulation signal;Simulation board card is used to generate and output standard simulation signal to corresponding data acquisition system to be calibrated, so that corresponding data acquisition system to be calibrated is calibrated according to standard simulation signal.The application can realize the comprehensive calibration of multiple efficient, low cost, high portability, easy expansion.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of PXI bus technology, and particularly relates to a comprehensive calibration device based on PXI bus. BACKGROUND

[0002] The performance test data of an aero-engine is a main index reflecting the advantages and disadvantages of the engine, and the accuracy of the test data is directly related to the evaluation of the design result of the product. With the rapid development of aviation test technology, the systematization, integration and dense distribution of sensors are becoming the main test and test mode. The aero-engine test is a comprehensive discipline, involving temperature, pressure, speed, flow, strain, vibration, angle, displacement and other professionals. As shown in the figure, the measurement parameters for evaluating the aero-engine are finally converted into voltage, current, resistance, frequency, phase and other basic electrical constants by the data acquisition system and the sensor, and then transmitted to the central control platform for conversion and analysis. Therefore, the accuracy of the data acquisition system and the sensor directly affects the final result of the engine performance test, and needs to be calibrated. Figure 1

[0003] The traditional calibration mode is mainly based on single parameter calibration means, and the slow calibration efficiency cannot guarantee the high turnover timeliness requirement of the aero-engine field test, and when facing the demand of synchronous calibration of multiple parameters in the field, there is a problem of conflict between the multi-professional manpower and equipment resource scheduling, which is a great waste of equipment, manpower and research time. The urgent task is that the traditional calibration scheme or calibration device must be broken through to realize the automatic, multi-channel efficient, low-cost, high-portable comprehensive parameter calibration.

[0004] The PXI bus technology has a convenient and efficient program compiling platform and a multi-channel efficient test capability, and has the advantages of high bandwidth, low delay, easy expansion, high portability, low cost, multi-function, easy maintenance and easy upgrade. Therefore, the present application urgently needs to provide a calibration scheme based on PXI bus. SUMMARY

[0005] The present application aims to provide a comprehensive calibration device based on PXI bus to achieve the purpose of multi-channel efficient, low-cost, high-portable, easy-to-expand and comprehensive calibration.

[0006] In order to achieve the above-mentioned purpose, the present application provides a comprehensive calibration device based on PXI bus, comprising a PXI case, a plurality of measurement board cards and a plurality of simulation board cards.

[0007] The PXI case comprises an industrial control processor, and a plurality of measurement board card slots and a plurality of simulation board card slots connected with the industrial control processor through the PXI bus;

[0008] ​The measurement board card slot is used for inserting the measurement board card; the simulation board card slot is used for inserting the simulation board card; the measurement board card is used for collecting a first detection signal output by a corresponding to-be-calibrated sensor, and uploading a digital signal converted from the first detection signal to the industrial control processor; the industrial control processor is used for calibrating the corresponding to-be-calibrated sensor according to the first digital signal and a standard value corresponding to the first detection signal, and is also used for controlling the simulation board card to generate a corresponding standard simulation signal; and the simulation board card is used for generating and outputting the standard simulation signal to a corresponding to-be-calibrated data acquisition system, so that the corresponding to-be-calibrated data acquisition system is self-calibrated according to the standard simulation signal.

[0009] In a preferred embodiment of the present application, the measurement board card is connected with the corresponding to-be-calibrated sensor through a first signal conditioner; and / or

[0010] The simulation board card is connected with the corresponding to-be-calibrated data acquisition system through a second signal conditioner.

[0011] In a preferred embodiment of the present application, a first interface adapter is connected between the to-be-calibrated sensor and the first signal conditioner; and / or

[0012] A second interface adapter is connected between the to-be-calibrated data acquisition system and the second signal conditioner.

[0013] In a preferred embodiment of the present application, the measurement board card is further used for:

[0014] Collecting a second detection signal acquired by a corresponding standard sensor and corresponding to a corresponding to-be-calibrated test equipment;

[0015] Uploading a second digital signal converted from the second detection signal to the industrial control processor; and the industrial control processor is further used for calibrating the corresponding to-be-calibrated test equipment according to the second digital signal and a standard value corresponding to the second detection signal.

[0016] In a preferred embodiment of the present application, the to-be-calibrated sensor comprises:

[0017] A pressure sensor, a pressure transmitter, a thermocouple, a thermal resistance, a temperature sensor, a temperature transmitter, a rotational speed sensor, and / or a charge amplifier;

[0018] The measurement board card comprises:

[0019] A direct-current voltage signal measurement board card connected with the pressure sensor, the thermocouple, and / or the temperature sensor;

[0020] A current signal measurement board card connected with the pressure transmitter and / or the temperature transmitter;

[0021] a resistance signal measurement board card connected with the thermal resistance;

[0022] a frequency signal measurement board card connected with the rotational speed sensor; and / or

[0023] a distortion degree measurement board card and / or an alternating voltage signal measurement board card connected with the charge amplifier.

[0024] In one preferred embodiment of the present application, the to-be-calibrated data acquisition system comprises:

[0025] a thermocouple temperature scanning valve, a thermal resistance temperature collector, a voltage acquisition system, a current acquisition system, a frequency acquisition system, a strain acquisition system, and / or a dynamic signal acquisition system;

[0026] The simulation board card comprises:

[0027] a standard potential signal simulation board card connected with the thermocouple temperature scanning valve and / or the voltage acquisition system;

[0028] a standard resistance signal simulation board card connected with the thermal resistance temperature collector;

[0029] a standard current signal simulation board card connected with the current acquisition system;

[0030] a standard frequency signal simulation board card connected with the frequency acquisition system and / or the dynamic signal acquisition system;

[0031] a standard strain signal simulation board card connected with the strain acquisition system; and / or

[0032] a standard noise signal simulation board card connected with the dynamic signal acquisition system.

[0033] In one preferred embodiment of the present application, the calibration device further comprises a standard signal generator connected with the industrial control processor, and the standard signal generator is further connected with the dynamic signal acquisition and analysis system.

[0034] In one preferred embodiment of the present application, the to-be-calibrated data acquisition system further comprises a pressure scanning valve.

[0035] The calibration device further comprises a standard pressure controller connected with the industrial control processor, and the standard pressure controller is further connected with the pressure scanning valve.

[0036] In one preferred embodiment of the present application, the to-be-calibrated test equipment comprises:

[0037] a vibration table, a damp heat test equipment, a drying oven, and / or a process heat treatment furnace;

[0038] The standard sensor comprises:

[0039] a standard vibration sensor for acquiring a vibration signal of the vibration table;

[0040] a standard thermal resistance for acquiring a resistance signal corresponding to a temperature and humidity signal of the damp heat test equipment; and / or

[0041] a standard thermocouple for acquiring a thermocouple signal corresponding to a temperature signal of the drying oven and / or the process heat treatment furnace;

[0042] The measurement board card comprises:

[0043] a vibration signal measurement board card connected with the standard vibration sensor;

[0044] a resistance signal measurement board card connected with the standard thermal resistance; and / or

[0045] a thermocouple signal measurement board card connected with the standard thermocouple.

[0046] In a preferred embodiment of the present application, the PXI chassis further comprises a man-machine interface connected with the industrial control processor.

[0047] By adopting the above technical scheme, the present application has the following beneficial effects:

[0048] (1) The comprehensive calibration device of the present application is realized based on PXI bus technology, and mainly comprises a PXI chassis, a plurality of measurement board cards and a plurality of simulation board cards. Compared with the traditional calibration device, the present application is more portable, and the portability is greatly improved.

[0049] (2) The present application adopts a modular design idea. By inserting the board cards realizing different functions into the corresponding board card slots, the sudden comprehensive parameter calibration requirements of various types in the test field can be met through one set of system platform, so that the problems of difficult scheduling of multi-specialized manpower and equipment resources are avoided, and the scientific research resource loss is greatly reduced. At the same time, the modular design makes it possible to realize upgrading at a small cost in the future.

[0050] (3) The present application can realize multi-channel standard signal simulation by setting a plurality of simulation board cards and simulation board card slots, which is convenient for batch calibration of the to-be-calibrated data acquisition system. At the same time, the virtual simulation technology can replace the general standard signal generating device, which can greatly reduce the hardware cost.

[0051] (4) The present application can realize batch calibration of the to-be-calibrated sensor by setting a plurality of measurement board cards and measurement board card slots, which greatly improves the efficiency of on-site calibration. BRIEF DESCRIPTION OF DRAWINGS

[0052] Figure 1 is a system architecture diagram of a commonly used aero-engine test system;

[0053] Figure 2 A schematic diagram of a PXI bus-based comprehensive calibration device according to Embodiment 1 of the present application;

[0054] Figure 3 A perspective structural schematic diagram of the PXI bus-based comprehensive calibration device according to Embodiment 1 of the present application;

[0055] Figure 4 A schematic diagram of a PXI chassis in an open state; Figure 3

[0056] Figure 5 A schematic diagram of a calibration of a sensor to be calibrated based on Embodiment 1 of the present application;

[0057] Figure 6 A schematic diagram of a calibration of a data acquisition system to be calibrated based on Embodiment 1 of the present application;

[0058] Figure 7 A schematic diagram of a PXI bus-based comprehensive calibration device according to Embodiment 2 of the present application;

[0059] Figure 8 A schematic diagram of a calibration of a test equipment to be calibrated based on Embodiment 2 of the present application. DETAILED DESCRIPTION

[0060] In order to make the objectives, technical solutions, and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of the present application.

[0061] The terms used in the present application are merely intended for the purpose of describing specific embodiments, and are not intended to limit the present disclosure. The singular forms "a," "an," and "the" used in the present disclosure and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0062] Embodiment 1

[0063] This embodiment provides a PXI bus-based comprehensive calibration device, as shown in the figure, the system includes a PXI chassis 1 and a plurality of board cards 2, wherein the board card 2 includes a measurement board card 21 and an emulation board card 22. Figures 2-4

[0064] ​​In the embodiment, the PXI chassis 1 comprises an industrial processor 10, a plurality of measurement board slots (not shown) and a plurality of simulation board slots (not shown) connected with the industrial processor through a PXI bus (not shown), and a man-machine interface connected with the industrial processor 10, such as an operation keyboard 11 and a touch display screen 12. Preferably, the PXI chassis 1 is powered by a precision stabilized power supply 13 to improve the precision and stability of the input voltage, which is conducive to achieving high-precision calibration.

[0065] The measurement board slot is used for inserting the measurement board card 21; the simulation board card slot is used for inserting the simulation board card 22; the measurement board card is used for collecting the first detection signal corresponding to the corresponding standard test equipment 4 output by the corresponding to-be-calibrated sensor 3 (i.e., the to-be-calibrated sensor connected with the measurement board card), and uploading the first detection signal converted into a digital signal to the industrial processor 10; the industrial processor 10 is used for calibrating the corresponding to-be-calibrated sensor 3 according to the first digital signal and the standard value corresponding to the first detection signal, and is also used for controlling the simulation board card 22 to generate the corresponding standard simulation signal; the simulation board card 22 is used for generating and outputting the standard simulation signal to the corresponding to-be-calibrated data acquisition system 5 (i.e., the to-be-calibrated data acquisition system connected with the simulation board card), so that the corresponding to-be-calibrated data acquisition system 5 performs self-calibration according to the received standard simulation signal. In addition, the industrial processor 10 in the embodiment can also record the relevant data in the calibration process and can automatically issue the corresponding certificate according to the relevant data, forming the automation and integration of the calibration process.

[0066] Preferably, the measurement board card 21 can be connected with the corresponding to-be-calibrated sensor 33 through a first signal conditioner 61; the simulation board card 22 can be connected with the corresponding to-be-calibrated data acquisition system 5 through a second signal conditioner 62. A first interface adapter 71 can be connected between the to-be-calibrated sensor 3 and the first signal conditioner 61; a second interface adapter 72 can be connected between the to-be-calibrated data acquisition system 5 and the second signal conditioner 62. The first signal conditioner and the second signal conditioner are used for amplifying, isolating, filtering and / or linearizing the input signal; the first interface adapter 71 and the second interface adapter 72 are communication bridges between the to-be-calibrated sensor 3 or the to-be-calibrated data acquisition system 5 and the corresponding signal conditioner. In the embodiment, the first signal conditioner 61 and the second signal conditioner 62 can be integrated into one, and the first interface adapter 71 and the second interface adapter 72 can also be integrated into one.

[0067] As Figure 5As shown, the to-be-calibrated sensors 3 in the embodiment can include pressure sensors, pressure transmitters, thermocouples, thermal resistors, temperature sensors, temperature transmitters, rotational speed sensors, and / or charge amplifiers. Each to-be-calibrated sensor 3 is used to acquire a detection signal of a corresponding standard test device (preferably a portable standard test device). In the embodiment, the correspondence between the to-be-calibrated sensors 3 and the standard test devices 4 is shown in Table 1. Figure 5 wherein Figure 5 As shown, the portable standard pressure controller is preferably a multi-channel pressure tool. Correspondingly, the measurement board card 21 in the embodiment can include a direct current voltage signal measurement board card connected with pressure sensors, thermocouples, and / or temperature sensors, to acquire potential signals output by the pressure sensors, thermocouples, and / or temperature sensors; a current signal measurement board card connected with pressure transmitters and / or temperature transmitters, to acquire current signals output by the pressure transmitters and / or temperature transmitters; a resistance signal measurement board card connected with thermal resistors, to acquire resistance signals output by the thermal resistors; a frequency signal measurement board card connected with rotational speed sensors, to acquire frequency signals output by the rotational speed sensors; and / or a distortion measurement board card and / or an alternating current voltage signal measurement board card connected with charge amplifiers, to acquire distortion and / or alternating current voltage signals output by the charge amplifiers.

[0068] When a to-be-calibrated sensor 3 needs to be calibrated, the embodiment first inserts the measurement board card 21 connected with the to-be-calibrated sensor 3 into the corresponding measurement board card slot; then acquires a first detection signal of the corresponding standard test device 4 through the to-be-calibrated sensor 3, and uploads a standard value corresponding to the first detection signal to the industrial control processor 10 through the standard test device 4; then acquires the corresponding first detection signal through the measurement board card 21 connected with the to-be-calibrated sensor 3, converts the acquired first detection signal into a corresponding first digital signal, and uploads the first digital signal to the industrial control processor 10; finally, the industrial control processor 10 performs DA conversion on the first digital signal, and compares the result of the DA conversion with the standard value corresponding to the first detection signal, thereby realizing calibration of the to-be-calibrated sensor 3.

[0069] The to-be-calibrated data acquisition system 5 is used to acquire sensing signals output by the corresponding standard sensors 8. As shown, Figure 6 As shown, the to-be-calibrated data acquisition system 5 in the embodiment can include a thermocouple temperature scanning valve for acquiring potential signals, a thermal resistor temperature collector for acquiring resistance signals, a voltage acquisition system for acquiring potential signals, a current acquisition system for acquiring current signals, a frequency acquisition system for acquiring frequency signals, a strain acquisition system for acquiring strain signals, and / or a dynamic signal acquisition system for acquiring noise signals, frequency signals, and amplitude-frequency signals.

[0070] Accordingly, the simulation board 22 in this embodiment may include: a standard potential signal simulation board connected to the thermocouple temperature scanning valve and / or voltage acquisition system for outputting a standard potential simulation signal; a standard resistance signal simulation board connected to the resistance temperature collector for outputting a standard resistance simulation signal; a standard current signal simulation board connected to the current acquisition system for outputting a standard current simulation signal; a standard frequency signal simulation board connected to the frequency acquisition system and / or dynamic signal acquisition system for outputting a standard frequency simulation signal; a standard strain signal simulation board connected to the strain acquisition system for outputting a standard strain simulation signal; and / or a standard noise signal simulation board connected to the dynamic signal acquisition system for outputting a standard frequency simulation signal.

[0071] When a data acquisition system 5 to be calibrated needs to be calibrated, this embodiment first inserts the simulation board 22 connected to the data acquisition system 5 to be calibrated into the corresponding simulation board slot; then, the data acquisition system 5 to be calibrated acquires the sensing signal output by the corresponding standard sensor 8, and at the same time, the industrial control processor 10 controls the inserted simulation board 22 to generate and output the corresponding standard simulation signal (i.e., the standard simulation signal corresponding to the sensing signal output by the standard sensor 8) to the data acquisition system 5 to be calibrated; finally, the data acquisition system 5 to be calibrated compares the acquired sensing signal with the received standard simulation signal, thereby realizing the self-calibration of the data acquisition system 5 to be calibrated.

[0072] exist Figure 6 In the illustrated embodiment, the calibration device further includes a standard signal generator connected to the industrial control processor 10. This standard signal generator is also connected to the dynamic signal acquisition and analysis system to output a standard amplitude-frequency simulation signal to the dynamic signal acquisition and analysis system for self-calibration. Furthermore, the data acquisition system 5 to be calibrated also includes a pressure scanning valve for acquiring pressure signals. Correspondingly, the calibration device further includes a standard pressure controller (such as a multi-channel pressure fixture) connected to the industrial control processor 10. This standard pressure controller is also connected to the pressure scanning valve to output a standard pressure signal to the pressure scanning valve for self-calibration.

[0073] Preferably, the data acquisition system 5 to be calibrated can be connected to an external monitoring terminal to store or display relevant calibration data and correct the data acquisition system according to the calibration error.

[0074] It can be known from the above description that the embodiment has the following advantages: (1) The comprehensive calibration device in the embodiment is realized based on PXI bus technology, and mainly includes a PXI chassis, a plurality of measurement board cards and a plurality of simulation board cards. Compared with a traditional calibration device, the comprehensive calibration device is more portable, and the portability is greatly improved. (2) The embodiment adopts a modular design idea. By inserting the board cards realizing different functions into corresponding board card slots, the sudden comprehensive parameter calibration requirements of various types in a test site can be met by using a set of system platform, so that the problems of difficult scheduling of multiple professional manpower and equipment resources are avoided, and the loss of scientific research resources is greatly reduced. Meanwhile, the modular design enables subsequent upgrading at a small cost. (3) The embodiment can realize multi-channel standard signal simulation by arranging a plurality of simulation board cards and simulation board card slots, so as to facilitate batch calibration of the to-be-calibrated data acquisition systems. Meanwhile, the virtual simulation technology is used to replace the general standard signal generating device, so that the hardware cost is greatly reduced. (4) The embodiment can realize batch calibration of the to-be-calibrated sensors by arranging a plurality of measurement board cards and measurement board card slots, so as to greatly improve the efficiency of on-site calibration.

[0075] Embodiment 2

[0076] As shown in Figure 7 , the embodiment is further improved on the basis of the embodiment 1. Specifically, the measurement board card 21 of the to-be-calibrated test equipment 9 in the embodiment is further used to collect the second detection signal corresponding to the to-be-calibrated test equipment 9 and acquired by the corresponding standard sensor 8, and upload the second detection signal converted into a second digital signal to the industrial control processor 10. The industrial control processor 10 is further used to calibrate the corresponding to-be-calibrated test equipment 9 according to the second digital signal and the standard value corresponding to the second detection signal.

[0077] In the embodiment, as shown in Figure 8 , the to-be-calibrated test equipment 9 can include a vibration table, a damp heat test equipment, a drying oven and / or a process heat treatment furnace. Correspondingly, the standard sensor 8 can include a standard vibration sensor for acquiring a vibration signal of the vibration table, a standard thermal resistance for acquiring a resistance signal corresponding to a temperature and humidity signal of the damp heat test equipment, and / or a standard thermocouple for acquiring a thermocouple signal corresponding to a temperature signal of the drying oven and / or the process heat treatment furnace. Correspondingly, the measurement board card can include a vibration signal measurement board card connected with the standard vibration sensor, a resistance signal measurement board card connected with the standard thermal resistance, and / or a thermocouple signal measurement board card connected with the standard thermocouple.

[0078] When it is necessary to calibrate a to-be-calibrated test device, first, the measurement board card connected with the standard sensor corresponding to the to-be-calibrated test device is inserted into the corresponding measurement board card slot; then, the second detection signal of the to-be-calibrated test device is acquired through the corresponding standard sensor, and the standard value corresponding to the second detection signal is uploaded to the industrial control processor 10 through the to-be-calibrated test device; further, the corresponding second detection signal is collected through the measurement board card connected with the standard sensor, and the collected second detection signal is converted into the corresponding second digital signal and then uploaded to the industrial control processor 10; finally, the second digital signal is DA converted through the industrial control processor 10, and the result after DA conversion is compared with the standard value corresponding to the second detection signal, so as to realize the calibration of the to-be-calibrated test device.

[0079] Compared with embodiment 1, the test device calibration function is added in this embodiment, so that the application range of the calibration device is more extensive.

[0080] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A comprehensive calibration device based on a PXI bus, characterized in that, Includes a PXI chassis, several measurement boards, and several simulation boards; The PXI chassis includes an industrial control processor, and several measurement board slots and several simulation board slots connected to the industrial control processor via a PXI bus. The measurement board slot is used to insert the measurement board; the simulation board slot is used to insert the simulation board; the measurement board is used to acquire the first detection signal output by the corresponding sensor to be calibrated, and convert the first detection signal into a first digital signal and upload it to the industrial control processor; the industrial control processor is used to calibrate the corresponding sensor to be calibrated according to the first digital signal and the standard value corresponding to the first detection signal, and is also used to control the simulation board to generate the corresponding standard simulation signal; the simulation board is used to generate and output the standard simulation signal to the corresponding data acquisition system to be calibrated, so that the corresponding data acquisition system to be calibrated can perform self-calibration according to the standard simulation signal. The data acquisition system to be calibrated includes: a thermocouple temperature scanning valve, a resistance temperature collector, a voltage acquisition system, a current acquisition system, a frequency acquisition system, a strain acquisition system, and / or a dynamic signal acquisition system.

2. The integrated calibration device according to claim 1, characterized in that, The measurement board is connected to the corresponding sensor to be calibrated via a first signal conditioner; and / or The simulation board is connected to the corresponding data acquisition system to be calibrated via a second signal conditioner.

3. The integrated calibration device according to claim 2, characterized in that, The sensor to be calibrated is connected to the first signal conditioner via a first interface adapter; and / or A second interface adapter is connected between the data acquisition system to be calibrated and the second signal conditioner.

4. The integrated calibration device according to claim 1, characterized in that, The measurement board is also used for: Collect the second detection signal obtained by the corresponding standard sensor and corresponding to the test equipment to be calibrated; The second detection signal is converted into a second digital signal and then uploaded to the industrial control processor; the industrial control processor is also used to calibrate the corresponding test equipment to be calibrated according to the second digital signal and the standard value corresponding to the second detection signal.

5. The integrated calibration device according to claim 1, characterized in that, The sensor to be calibrated includes: Pressure sensors, pressure transmitters, thermocouples, resistance temperature detectors (RTDs), temperature sensors, temperature transmitters, speed sensors, and / or charge amplifiers; The measurement board includes: A DC voltage signal measurement board connected to the pressure sensor, thermocouple, and / or temperature sensor; A current signal measurement board connected to the pressure transmitter and / or temperature transmitter; The resistance signal measurement board connected to the thermal resistor; A frequency signal measurement board connected to the speed sensor; and / or A distortion measurement board and / or an AC voltage signal measurement board connected to the charge amplifier.

6. The integrated calibration device according to claim 1, characterized in that, The simulation board includes: A standard potential signal simulation board connected to the thermocouple temperature scanning valve and / or voltage acquisition system; A standard resistance signal simulation board connected to the aforementioned resistance temperature sensor; A standard current signal simulation board connected to the current acquisition system; A standard frequency signal simulation board connected to the frequency acquisition system and / or dynamic signal acquisition system; A standard strain signal simulation board connected to the strain acquisition system; and / or A standard noise signal simulation board connected to the dynamic signal acquisition system.

7. The integrated calibration device according to claim 6, characterized in that, The calibration device further includes a standard signal generator connected to the industrial control processor, and the standard signal generator is also connected to the dynamic signal acquisition and analysis system.

8. The integrated calibration device according to claim 6, characterized in that, The data acquisition system to be calibrated also includes: a pressure scanning valve; The calibration device further includes a standard pressure controller connected to the industrial control processor, and the standard pressure controller is also connected to the pressure scanning valve.

9. The integrated calibration device according to claim 4, characterized in that, The test equipment to be calibrated includes: Vibration table, damp heat testing equipment, drying oven, and / or process heat treatment furnace; The standard sensor includes: A standard vibration sensor is used to acquire the vibration signal of the vibration table; Standard resistance temperature detectors (RTDs) are used to acquire resistance signals corresponding to the temperature and humidity signals of the damp heat test equipment; and / or Standard thermocouples are used to acquire thermocouple signals corresponding to the temperature signals of the drying oven and / or process heat treatment furnace; The measurement board includes: Vibration signal measurement board connected to the standard vibration sensor; A resistance signal measurement board connected to the standard resistance temperature detector; and / or A thermocouple signal measurement board connected to the standard thermocouple.

10. The integrated calibration device according to claim 1, characterized in that, The PXI chassis also includes a human-machine interface connected to the industrial control processor.

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