Multifunctional comprehensive data acquisition device and acquisition method thereof

Abstract

The invention relates to a multifunctional comprehensive data acquisition device and an acquisition method thereof. The multifunctional comprehensive data acquisition device comprises a display assembly and an acquisition assembly, the display assembly is connected with the acquisition assembly through a transmission line; the acquisition assembly comprises a shell, a plug-in unit and an acquisition card mainboard, the shell defines a containing cavity, the plug-in unit and the acquisition card mainboard are both arranged in the containing cavity, a plurality of slots are formed in the plug-in unit and extend in the first direction of the shell, the slots are arranged at intervals in the second direction of the shell, and the plug-in unit and the acquisition card mainboard are arranged in the containing cavity. The types of the acquisition board cards inserted into the slots are different; the acquisition process comprises the steps of inserting an acquisition board card, setting waveforms and parameters and starting an acquisition function; the types of the acquisition board cards inserted into the slots are set to be different, so that multi-scene, multifunctional and multi-signal acquisition is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of signal measurement, and in particular to a multifunctional comprehensive data acquisition device and an acquisition method thereof. Background Art

[0002] At present, the requirements for signal measurement in new power systems have been further improved, and it is imperative to ensure the accuracy and reliability of metering devices. Promoting the development and application of advanced measuring instruments and equipment requires accelerating the development of measuring instruments and equipment, improving the accuracy, stability and reliability of measuring instruments and equipment, and basically achieving independent control of key core equipment. With the acceleration of the construction of new power systems, the dynamic characteristics of the power system's electrical parameter signals have become more complex and changeable due to the large-scale access of distributed new energy, charging facilities, energy storage and other equipment. The increase in the demand for high-frequency and high-precision sensing capabilities brought about by the accelerated digital transformation of the power grid has made improving the accuracy and reliability of metering devices the focus of current research in the field of measurement.

[0003] Data acquisition devices, including digital recorders, are electronic devices widely used in the field of electrical measurement. They can be used in data acquisition, high-speed measurement, mathematical simulation and other fields, and are characterized by high speed, high precision and high efficiency. At present, the high-end digital acquisition systems used in laboratories are basically monopolized by foreign countries. Once a technical blockade occurs, some experimental measurements will not be able to proceed normally. Existing domestic data acquisition devices can measure and control a variety of important electrical parameters such as current, voltage, power, power factor, etc., and meet the application needs of most current power systems.

[0004] As the measurement requirements for new power systems continue to increase, existing data acquisition devices can only measure a single signal and cannot achieve multi-functional, comprehensive measurement functions for multiple signals. Summary of the invention

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a multifunctional integrated data acquisition device and a data acquisition method thereof, which has the advantage of being able to realize multifunctional and multi-signal acquisition.

[0006] The above-mentioned inventive object of the present invention is achieved through the following technical solutions: On the one hand, the present invention provides a multifunctional integrated data acquisition device, including a display component and an acquisition component; the display component is connected to the acquisition component through a transmission line; the acquisition component includes a shell, a plug-in unit and an acquisition card mainboard, the shell is surrounded by a containing cavity, the plug-in unit and the acquisition card mainboard are both arranged in the containing cavity, a plurality of slots are arranged on the plug-in unit, the plurality of slots extend along the first direction of the shell, and the plurality of slots are arranged at intervals along the second direction of the shell, the slots are used to plug in acquisition boards, and the types of the acquisition boards plugged in each slot are different, and one end of the acquisition board is plugged into the acquisition card mainboard through the slot; the acquisition card mainboard is used to centrally process the transmission signals of the acquisition board.

[0007] Preferably, in the multifunctional integrated data acquisition device provided by the present invention, the display component includes a shell, a power module and a mainboard bracket, the shell is enclosed to form an installation cavity, the power module and the mainboard bracket are both arranged in the installation cavity, the power module and the mainboard bracket are spaced apart along the second direction, one side of the power module is connected to the inner wall of the installation cavity, the power module is used to place the adapter power supply, the two sides of the mainboard bracket are respectively connected to the two adjacent inner walls of the installation cavity, the mainboard bracket is used to assemble the computer mainboard, and the computer mainboard is insulated and connected to the mainboard bracket.

[0008] Preferably, in the multifunctional integrated data acquisition device provided by the present invention, a plurality of heat dissipation holes are provided on the outer wall of the power module on the side facing the mainboard bracket, and the plurality of heat dissipation holes are arranged in a rectangular array.

[0009] Preferably, in the multifunctional integrated data acquisition device provided by the present invention, at least one signal transmission jack of USB, TYPEC, and HDMI type is provided on the outer side wall of the shell, and the signal transmission jack is used to connect to the acquisition card mainboard.

[0010] Preferably, in the multifunctional integrated data acquisition device provided by the present invention, the acquisition card mainboard covers at least one type of signal among AC, DC, LI, SI, and VFFO.

[0011] Preferably, in the multifunctional integrated data acquisition device provided by the present invention, at least one of the acquisition boards for AC signals, DC signals, LI signals, SI signals, and VFFO signals, or the acquisition board with an electric field or magnetic field measuring instrument is inserted into the plug-in unit.

[0012] Preferably, in the multifunctional integrated data acquisition device provided by the present invention, the sampling rate of the acquisition board reaches 1.5 Gs / s.

[0013] Preferably, in the multifunctional integrated data acquisition device provided by the present invention, the vertical resolution of the acquisition board is as high as 32 bits.

[0014] Preferably, in the multifunctional integrated data acquisition device provided by the present invention, the shell is made of shielded mixed metal material.

[0015] On the other hand, the present invention provides a data collection method of the multifunctional integrated data collection device as described above, comprising the following steps:

[0016] Connect the multifunctional integrated data acquisition device to the voltage output terminal of the product to be tested or insert the acquisition board into the slot, and place the multifunctional integrated data acquisition device in an electric field or magnetic field environment;

[0017] Starting the multifunctional integrated data acquisition device, and setting the measurement waveform and related parameters of the multifunctional integrated data acquisition device, wherein the related parameters include at least one of a sampling rate, a trigger level, a trigger mode, a bandwidth, a sampling duration, and an amplitude range;

[0018] The data acquisition function is started, and the multifunctional integrated data acquisition device processes the signal received by the acquisition component and transmits it to the display component without distortion.

[0019] In summary, the beneficial technical effects of the present invention are as follows: the multifunctional integrated data acquisition device and the acquisition method provided by the present application, wherein the multifunctional integrated data acquisition device includes a display component and an acquisition component; the display component is connected to the acquisition component through a transmission line; the acquisition component includes a shell, a plug-in unit and an acquisition card mainboard, the shell is surrounded by a containing cavity, the plug-in unit and the acquisition card mainboard are both arranged in the containing cavity, a plurality of slots are arranged on the plug-in unit, the plurality of slots extend along a first direction of the shell, and the plurality of slots are arranged at intervals along a second direction of the shell, the slots are used to plug in acquisition boards, each slot is plugged in with a different type of acquisition board, and one end of the acquisition board is plugged in the acquisition card mainboard through the slot; the acquisition process is: insert the acquisition board-set the waveform and parameters-start the acquisition function; by setting the type of acquisition board plugged in each slot to be different, multifunctional and multiple signal acquisition is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The overall structure of the multifunctional integrated data acquisition device provided by the embodiment of the present invention is shown in FIG. Figure 1 .

[0021] Figure 2The overall structure of the multifunctional integrated data acquisition device provided by the embodiment of the present invention is shown in FIG. Figure 2 .

[0022] Figure 3 It is a structural schematic diagram of a plug-in unit in a multifunctional comprehensive data acquisition device provided in an embodiment of the present invention.

[0023] Figure 4 It is a schematic diagram of the structure of the connecting parts in the multifunctional comprehensive data acquisition device provided by an embodiment of the present invention.

[0024] Figure 5 It is a schematic diagram of the operation (contact type collection) of the multifunctional integrated data collection device provided by an embodiment of the present invention.

[0025] Figure 6 It is a schematic diagram of the operation (non-contact collection) of the multifunctional integrated data collection device provided by an embodiment of the present invention.

[0026] Figure 7 It is a flow chart of a collection method of a multifunctional comprehensive data collection device provided by another embodiment of the present invention.

[0027] In the figure, 1. multifunctional integrated data acquisition device; 10. display component; 11. shell; 12. power module; 121. heat dissipation hole; 13. mainboard bracket; 20. acquisition component; 21. shell; 211. connection port; 22. plug-in unit; 221. U-shaped frame; 2211. second card slot; 222. fixing rod; 2221. slot; 223. fixing plate; 2231. first card slot; 23. acquisition card mainboard; 231. socket; 24. connector; 241. U-shaped plate; 2411. slide groove; 2412. mounting groove; 242. mounting plate; 25. bottom plate; 26. exhaust fan; 30. first direction; 40. second direction; 2. product to be tested. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0029] Reference Figure 1 and Figure 2, is a multifunctional integrated data acquisition device 1 disclosed in the present invention, comprising a display component 10 and an acquisition component 20; the display component 10 is located at the top of the acquisition component 20, the display component 10 and the acquisition component 20 are separated from each other, and the display component 10 is connected to the acquisition component 20 through a transmission line; the acquisition component 20 comprises a shell 21, a plug-in unit 22 and an acquisition card mainboard 23, the display component 10 is located at the top of the shell 21, the shell 21 is surrounded by a receiving cavity, the plug-in unit 22 and the acquisition card mainboard 23 are both arranged in the receiving cavity, the plug-in unit 22 is arranged on the inner bottom wall of the receiving cavity, the acquisition card mainboard 23 is arranged on the inner side wall of the receiving cavity, and a plurality of plug-in units are arranged on the plug-in unit 22 Slot 2221, multiple slots 2221 extend along the first direction 30 of the shell 11, and multiple slots 2221 are arranged at intervals along the second direction 40 of the shell 11. The slots 2221 are used to plug in acquisition boards. Each slot 2221 is plugged with a different type of acquisition board. One end of the acquisition board is plugged into the acquisition card mainboard 23 through the slot 2221; the acquisition card mainboard 23 is used to centrally process the transmission signals of the acquisition board; on the one hand, by setting the display component 10 and the acquisition component 20 to be separated from each other, data processing is facilitated; on the other hand, by setting each slot 2221 to be plugged with a different type of acquisition board, multi-scenario, multi-function, and multi-signal acquisition is achieved.

[0030] It should be noted that the first direction 30 of the shell 11 is the width direction of the shell 11 , the second direction 40 of the shell 11 is the length direction of the shell 11 , and the first direction 30 of the shell 11 is perpendicular to the second direction 40 of the shell 11 .

[0031] Specifically, the display component 10 has a display function, and the acquisition component 20 has acquisition and calculation functions, thereby facilitating researchers to observe measurement results. The display component 10 and the acquisition component 20 are connected via a vertically distributed optical fiber signal and a signal transmission line to achieve distortion-free transmission of the signal.

[0032] The outer shell 21 is made of high-performance shielding mixed metal material to ensure its anti-interference ability in various environments; the shielding effectiveness of the outer shell 21 can be as high as 80dB, which can effectively block external electromagnetic interference, especially high-frequency transient signals.

[0033] Continue to refer to Figure 4In this embodiment, the acquisition card mainboard 23 is fixed to the inner rear wall of the accommodating cavity through a connecting member 24. The connecting member 24 includes a U-shaped plate 241 and a mounting plate 242. The top surface of the mounting plate 242 is connected to the outer wall of the closed end of the U-shaped plate 241. Slide grooves 2411 are provided on opposite sides of the U-shaped plate 241. During use, the slide groove 2411 extends along the height direction of the shell 11. The slide groove 2411 is adapted to the acquisition card mainboard 23. A mounting groove 2412 is provided at the closed end of the U-shaped plate 241. The two ends of the mounting groove 2412 are respectively connected to the two slide grooves 2411.

[0034] During use, the mounting plate 242 fits against the inner rear wall of the accommodating cavity, and the mounting plate 242 is connected to the inner rear wall of the accommodating cavity by bolts. The opposite sides of the acquisition card mainboard 23 are respectively inserted into the two slide grooves 2411, and the acquisition card mainboard 23 slides from top to bottom along the slide grooves 2411 until the bottom end of the acquisition card mainboard 23 is inserted into the mounting groove 2412. At this time, the acquisition card mainboard 23 is fixed on the inner rear wall of the accommodating cavity.

[0035] Specifically, the acquisition card mainboard 23 is provided with a plurality of sockets 231 , the plurality of sockets 231 are arranged at intervals along the second direction 40 , and the sockets 231 are arranged in a one-to-one correspondence with the slots 2221 .

[0036] It should be noted that the number of the sockets 231 is substantially the same as the number of the slots 2221 .

[0037] During use, one end of the acquisition board is inserted into the slot 2221 and slides along the slot 2221 until it is inserted into the socket 231 corresponding to the slide groove 2411 .

[0038] Among them, Figure 1 Taking the shown position as an example, a plurality of connection ports 211 are provided on the outer side wall of the front end of the housing 21. The plurality of connection ports 211 are arranged at intervals along the second direction 40. The connection ports 211 correspond to the slide grooves 2411 one by one, and the connection ports 211 are connected to the accommodating cavity.

[0039] During use, one end of the acquisition board passes through the connection port 211 and is inserted into the slot 2221 , and slides along the slot 2221 until it is inserted into the socket 231 corresponding to the slide groove 2411 .

[0040] Continue to refer to Figure 3In this embodiment, the plug-in unit 22 includes a U-shaped frame 221, a plurality of fixing rods 222 and at least one fixing plate 223, the fixing plate 223 is arranged at the bottom end of the U-shaped frame 221, the closed end of the U-shaped frame 221 and the opposite ends of the fixing plate 223 are bolted to the inner bottom wall of the accommodating cavity, a plurality of first card slots 2231 are opened on the fixing plate 223, and the plurality of first card slots 2231 are arranged at intervals along the second direction 40, a plurality of second card slots 2211 are opened at the closed end in the U-shaped frame 221, and the plurality of second card slots 2211 are arranged at intervals along the second direction 40, the first card slots 2231 and the second card slots 2211 are arranged one-to-one with the fixing rods 222, one end of the fixing rod 222 passes through the first card slot 2231 and is clamped in the second card slot 2211, the other end of the fixing rod 222 extends along the first direction 30, and each fixing rod 222 is provided with a slot 2221.

[0041] like Figure 3 As shown, the number of the fixing plates 223 is two. Of course, the number of the fixing plates 223 may also be three or four, which is not limited in this embodiment.

[0042] It should be noted that the number of the fixing rods 222 , the number of the sockets 231 , and the number of the connecting ports 211 are substantially the same.

[0043] like Figure 2 As shown, the number of the fixing rods 222 , the number of the sockets 231 , and the number of the connecting ports 211 are all 8. Of course, the number of the fixing rods 222 , the number of the sockets 231 , and the number of the connecting ports 211 can also be 9 or 10.

[0044] Continue to refer to Figure 1 and Figure 2 Among them, the acquisition card mainboard 23 covers at least one type of signal among AC (alternating current signal), DC (direct current signal), LI (lightning impulse signal), SI (operation impulse signal), and VFFO (very fast transient voltage signal).

[0045] In this embodiment, the acquisition card mainboard 23 can cover AC (alternating current signal), DC (direct current signal), LI (lightning impulse signal), SI (operation impulse signal), VFFO (very fast transient voltage signal) and other types of signals.

[0046] Among them, at least one of the AC signal acquisition board, DC signal acquisition board, LI signal acquisition board, SI signal acquisition board, VFFO signal acquisition board or an acquisition board with an electric field or magnetic field measuring instrument is inserted into the plug-in unit 22.

[0047] In this embodiment, the plug-in unit 22 is used to insert an acquisition board for AC, DC, LI, SI, and VFFO signals, and can also be used to insert an acquisition board with an electric field or magnetic field measuring instrument.

[0048] Among them, 8 acquisition board spaces (that is, 8 slots 2221) are set on the plug-in unit 22, 5 slots 2221 include AC (alternating current signal), DC (direct current signal), LI (lightning impulse signal), SI (operation impulse signal), VFFO (ultra-fast transient voltage signal) and other types, and the remaining 3 slots 2221 are used to place non-contact measuring devices such as spherical electric field sensors and optical electric field sensors (that is, inserting acquisition boards with electric field or magnetic field measuring instruments). The sensor antenna built into the acquisition component 20 will extend out of the acquisition component 20 to measure the electric field or magnetic field in the nearby space. Through internal calculation, the electric field or magnetic field signal can also be converted into a voltage or current signal.

[0049] During use, if it is necessary to collect AC signals based on the multifunctional integrated data acquisition device 1, it is only necessary to select the acquisition board corresponding to AC, input the AC signal output by the mutual inductor or voltage divider into the multifunctional integrated data acquisition device 1 through an optical fiber or a transmission cable, and select a suitable gear on the display component 10. The same is true for the collection of DC (direct current signal), LI (lightning impulse signal), SI (operation impulse signal), VFFO (ultra-fast transient voltage signal) and other types of signals.

[0050] Among them, the sampling rate of the acquisition board for complex waveforms reaches 1.5Gs / s to capture rapidly changing signals.

[0051] Specifically, the sampling rate of the acquisition board for complex waveforms can reach 1.5Gs / s. This high sampling rate allows us to capture rapidly changing signals with extremely high precision, ensuring the accuracy and integrity of data in various application scenarios.

[0052] Among them, the vertical resolution of the acquisition board for complex waveforms is as high as 32 bits to provide signal details.

[0053] Furthermore, in this embodiment, an exhaust fan 26 is provided on the inner rear wall of the accommodating cavity, and the exhaust fan 26 is used to exhaust the heat emitted during the operation of the acquisition board. Figure 2 As shown, in this embodiment, the number of the exhaust fans 26 is three. Of course, the number of the exhaust fans 26 may also be one or two.

[0054] Furthermore, in this embodiment, a bottom plate 25 is provided at the bottom end of the collection component 20 , and four legs are provided on the bottom plate 25 .

[0055] Continue to refer to Figure 1 and Figure 2In this embodiment, the display component 10 includes a shell 11, a power module 12 and a mainboard bracket 13. The shell 11 is surrounded by an installation cavity. The power module 12 and the mainboard bracket 13 are both arranged in the installation cavity. The power module 12 and the mainboard bracket 13 are arranged at intervals along the second direction 40. One side of the power module 12 is connected to the inner wall of the installation cavity. The power module 12 is used to place the adapter power supply. The two sides of the mainboard bracket 13 are respectively connected to the two adjacent inner walls of the installation cavity. The mainboard bracket 13 is used to assemble the computer mainboard, and the computer mainboard is insulated and connected to the mainboard bracket 13.

[0056] Specifically, one side of the power module 12 is connected to the inner rear wall of the installation cavity, the power module 12 is used to place the adapter power supply, and the adapter is entirely embedded in the power module 12. The first side of the mainboard bracket 13 is connected to the inner side wall of one end away from the power module 12, and the second side of the mainboard bracket 13 adjacent to the first side is connected to the inner rear wall of the installation cavity.

[0057] The display assembly 10 further includes a screen, which is embedded in the front end of the housing 11 .

[0058] Furthermore, in this embodiment, a plurality of heat dissipation holes 121 are provided on the outer wall of the power module 12 on the side facing the mainboard bracket 13, and the plurality of heat dissipation holes 121 are arranged in a rectangular array; the heat dissipation holes 121 are provided to dissipate the heat generated during operation.

[0059] Among them, at least one signal transmission jack of USB, TYPEC, and HDMI type is provided on the outer wall of the shell 11, and the signal transmission jack is used to connect to the acquisition card mainboard.

[0060] Specifically, the rear side wall of the housing 11 is provided with signal transmission jacks of various types such as USB, TYPEC, HDMI, etc., so as to realize diversified output signals.

[0061] Continue to refer to Figure 5 and Figure 6 , the acquisition method of the multifunctional integrated data acquisition device 1 provided in this embodiment is as follows: 1) When the direct contact signal acquisition method is adopted, the input end of the multifunctional integrated data acquisition device 1 is correctly connected to the voltage output end of the test product 2, the multifunctional integrated data acquisition device 1 and the data acquisition function are started, and the measurement waveform and related parameters of the acquisition device are set according to the instructions for use and the actual measurement signal. 2) When the non-direct contact signal acquisition method is adopted, the acquisition board with the electric field or magnetic field measuring instrument is inserted into the slot 2221, the multifunctional integrated data acquisition device 1 is placed in the electric field or magnetic field environment, the multifunctional integrated data acquisition device 1 and the data acquisition function are started, and the measurement waveform and related parameters of the acquisition device are set according to the instructions for use and the actual measurement signal.

[0062] Continue to refer to Figure 7 Another embodiment provides a data collection method of the multifunctional integrated data collection device 1 as described above, comprising the following steps:

[0063] S101 , insert the multifunctional integrated data acquisition device 1 and the voltage output terminal of the test object 2 or insert the acquisition board into the slot 2221 , and place the multifunctional integrated data acquisition device 1 in an electric field or magnetic field environment.

[0064] S102, start the multifunctional integrated data acquisition device 1, set the measurement waveform and related parameters of the multifunctional integrated data acquisition device 1, wherein the related parameters include at least one of sampling rate, trigger level, trigger mode, bandwidth, sampling duration, and amplitude range.

[0065] S103, start the data acquisition function, the multifunctional integrated data acquisition device 1 processes the signal received by the acquisition component 20 and transmits it to the display component 10 without distortion.

[0066] Specifically, when using the direct contact signal acquisition method, connect the input end of the multifunctional integrated data acquisition device 1 to the voltage output end of the test product 2, and ensure that the connection is firm; start the multifunctional integrated data acquisition device 1, and set the measurement waveform and related parameters of the multifunctional integrated data acquisition device 1 according to the instructions for use and the actual measurement signal; start the data acquisition function, and the multifunctional integrated data acquisition device 1 processes the signal received by the acquisition component 20 and transmits it to the display component 10 without distortion; then, the experimenter can further process the data or save the existing data in other devices.

[0067] When a non-direct contact signal acquisition method is adopted, the acquisition board of the electric field or magnetic field measuring instrument is inserted into the slot 2221, the multifunctional integrated data acquisition device 1 is placed in the electric field or magnetic field environment, the multifunctional integrated data acquisition device 1 is started, and the measurement waveform and related parameters of the multifunctional integrated data acquisition device 1 are set according to the instructions for use and the actual measurement signal; the data acquisition function is started, and the multifunctional integrated data acquisition device 1 processes the signal received by the acquisition component 20 and transmits it to the display component 10 without distortion; then, the experimenter can further process the data or save the existing data in other devices.

[0068] The present application provides a multifunctional integrated data acquisition device 1 and an acquisition method thereof, wherein the multifunctional integrated data acquisition device 1 includes a display component 10 and an acquisition component 20; the display component 10 is connected to the acquisition component 20 through a transmission line; the acquisition component 20 includes a shell 21, a plug-in unit 22 and an acquisition card mainboard 23, the shell 21 is surrounded by a receiving cavity, the plug-in unit 22 and the acquisition card mainboard 23 are both arranged in the receiving cavity, a plurality of slots 2221 are arranged on the plug-in unit 22, the plurality of slots 2221 are all extended along a first direction 30 of the shell 11, and the plurality of slots 2221 are arranged at intervals along a second direction 40 of the shell 11, the slots 2221 are used to plug in acquisition boards, and the types of acquisition boards plugged in each slot 2221 are different, and one end of the acquisition board is plugged in the acquisition card mainboard 23 through the slot 2221; the acquisition process is: inserting the acquisition board-setting the waveform and parameters-starting the acquisition function; by setting the types of acquisition boards plugged in each slot 2221 to be different, multi-scenario, multi-function, and multi-signal acquisition is achieved.

[0069] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0070] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A multifunctional comprehensive data acquisition device, characterized in that: Including display components and acquisition components; The display component is connected to the acquisition component via a transmission line; The acquisition component includes a shell, a plug-in unit and an acquisition card mainboard, the shell is surrounded by a cavity, the plug-in unit and the acquisition card mainboard are both arranged in the cavity, the plug-in unit is provided with a plurality of slots, the plurality of slots extend along a first direction of the shell, the plurality of slots are arranged at intervals along a second direction of the shell, the slots are used to plug in acquisition boards, the types of acquisition boards plugged in each slot are different, and one end of the acquisition board is plugged into the acquisition card mainboard through the slot; The acquisition card mainboard is used for centrally processing the transmission signals of the acquisition board.

2. The multifunctional integrated data acquisition device according to claim 1, characterized in that: The display component includes a shell, a power module and a motherboard bracket. The shell is surrounded by an installation cavity. The power module and the motherboard bracket are both arranged in the installation cavity. The power module and the motherboard bracket are spaced apart along a second direction. One side of the power module is connected to the inner wall of the installation cavity. The power module is used to place an adapter power supply. The two sides of the motherboard bracket are respectively connected to the two adjacent inner walls of the installation cavity. The motherboard bracket is used to assemble a computer motherboard. The computer motherboard is insulated and connected to the motherboard bracket.

3. The multifunctional integrated data acquisition device according to claim 2, characterized in that: A plurality of heat dissipation holes are provided on the outer wall of the power module on a side facing the mainboard bracket, and the plurality of heat dissipation holes are arranged in a rectangular array.

4. The multifunctional integrated data acquisition device according to any one of claims 2 to 3, characterized in that: The outer wall of the shell is provided with at least one signal transmission jack of USB, TYPEC, and HDMI types, and the signal transmission jack is used to be connected to the acquisition card mainboard.

5. The multifunctional integrated data acquisition device according to claim 1, characterized in that: The acquisition card mainboard covers at least one type of signal among AC, DC, LI, SI, and VFFO.

6. The multifunctional integrated data acquisition device according to claim 1, characterized in that: At least one of the acquisition boards for AC signals, DC signals, LI signals, SI signals, and VFFO signals, or the acquisition board with an electric field or magnetic field measuring instrument is inserted into the plug-in unit.

7. The multifunctional integrated data acquisition device according to claim 1, characterized in that: The sampling rate of the acquisition board reaches 1.5Gs / s.

8. The multifunctional integrated data acquisition device according to claim 7, characterized in that: The vertical resolution of the acquisition board is up to 32 bits.

9. The multifunctional integrated data acquisition device according to claim 1, characterized in that: The shell is made of shielded mixed metal material.

10. A data collection method according to any one of claims 1 to 9, characterized in that: The steps include: Connect the multifunctional integrated data acquisition device to the voltage output terminal of the product to be tested or insert the acquisition board into the slot, and place the multifunctional integrated data acquisition device in an electric field or magnetic field environment; Starting the multifunctional integrated data acquisition device, and setting the measurement waveform and related parameters of the multifunctional integrated data acquisition device, wherein the related parameters include at least one of a sampling rate, a trigger level, a trigger mode, a bandwidth, a sampling duration, and an amplitude range; The data acquisition function is started, and the multifunctional integrated data acquisition device processes the signal received by the acquisition component and transmits it to the display component without distortion.

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